Display film, display screen of household appliance, household appliance and manufacturing method

文档序号：952643 发布日期：2020-10-30 浏览：13次中文

阅读说明：本技术 显示膜、家用电器显示屏、家用电器和制作方法 (Display film, display screen of household appliance, household appliance and manufacturing method ) 是由杨森于 2019-07-22 设计创作，主要内容包括：本申请提供一种显示膜、家用电器显示屏、家用电器和制作方法。显示膜用于家用电器显示屏,包括基材、间隔分布的多个彩色图标及背景层。基材全透明或半透明,且包括第一面和相对于第一面的第二面。至少一个彩色图标设于基材的所述第一面上,至少一个彩色图标包括多种不同的颜色。背景层设于基材的第一面上,位于彩色图标的区域外。家用电器显示屏包括背光灯及显示膜。家用电器包括家用电器显示屏。制作方法用于制作家用电器显示屏的显示膜。(The application provides a display film, a household appliance display screen, a household appliance and a manufacturing method. The display film is used for a display screen of a household appliance and comprises a base material, a plurality of color icons distributed at intervals and a background layer. The substrate is fully transparent or translucent and includes a first side and a second side opposite the first side. At least one color icon is disposed on the first side of the substrate, the at least one color icon comprising a plurality of different colors. The background layer is arranged on the first surface of the substrate and is positioned outside the area of the color icon. The display screen of the household appliance comprises a backlight lamp and a display film. The household appliance comprises a household appliance display screen. The manufacturing method is used for manufacturing the display film of the display screen of the household appliance.)

1. A display film for a display screen of a household appliance, comprising:

a substrate (101) that is fully transparent or translucent and comprises a first face (111) and a second face (112) opposite to said first face (111);

a plurality of color icons spaced apart and disposed on the first side (111) of the substrate (101), at least one of the color icons including a plurality of different colors; and

and a background layer (102) which is provided on the first surface (111) of the base material (101) and is located outside the area of the color icon.

2. The display film of claim 1, wherein: the thickness of at least one of the colored icons does not exceed the thickness of the background layer (102).

3. The display film of claim 2, wherein: the thickness of at least one of the colored icons is less than the thickness of the background layer (102).

4. The display film of claim 1 or 3, wherein: the display film comprises a light diffusion layer (104), and the light diffusion layer (104) is arranged on the side, opposite to the substrate (101), of the color icon.

5. The display film of claim 4, wherein: the side of the light diffusion layer (104) facing away from the color icons is flush with the side of the background layer (102) facing away from the substrate (101).

6. The display film of claim 1, wherein: the color icons include a visible color icon formed on the first side (111) of the substrate (101) that appears on the second side (112) of the substrate (101) in the absence of backlight light.

7. The display film of claim 6, wherein: the substrate (101) is fully transparent and the visible color icons are attached to the first side (111) of the substrate (101).

8. The display film of claim 7, wherein: the background layer (102) is attached to the first side (111) of the substrate (101), and the visible color icons have a thickness not exceeding the thickness of the background layer (102).

9. The display film of claim 1, wherein: the color icons include a hidden color icon formed on the first side (111) of the substrate (101), and the hidden color icon is hidden in the absence of backlight light and appears under backlight light on the second side (112) of the substrate (101).

10. The display film of claim 9, wherein: the display film comprises a semitransparent bottom color layer (208) formed on the first surface (111) of the substrate (101), and the hidden color icons are formed on the surface, opposite to the substrate (101), of the bottom color layer (208).

11. The display film of claim 10, wherein: the color icons include a visible color icon formed on the first side (111) of the substrate (101) that appears on the second side (112) of the substrate (101) in the absence of backlight light.

12. The display film of claim 11, wherein: the base color layer (208) is staggered with the visible color icons, or the base color layer (208) is at least partially positioned on the side of the visible color icons opposite to the substrate (101).

13. The display film of claim 1, wherein: the background layer (102) includes an opaque light blocking layer.

14. The display film of claim 1, wherein: the background layer (102) is formed on the base material (101) by screen printing, and/or the color icon is formed on the base material (101) by four-color printing.

15. The display film of claim 1, wherein: the colored icon includes a plurality of regions, at least two of the regions being different in color and being translucent.

16. The display film of claim 15, wherein: the regions of the colored icon are all translucent.

17. The display film of claim 1, wherein: the display film includes an opaque additional icon formed on a surface of the substrate (101).

18. A display screen for a household appliance, comprising:

a backlight; and

the display film of any one of claims 1-17.

19. A display screen for a domestic appliance according to claim 18, wherein: the display screen of the household appliance comprises a panel (403), wherein the panel is arranged on one surface, back to the backlight lamp, of the display film; or

The display screen of the household appliance comprises an injection molding part (503), and the display film is formed on the injection molding part (503) through an in-mold decoration technology.

20. A display screen for a domestic appliance according to claim 18, wherein: the display screen of the household appliance comprises a circuit board and a touch switch piece electrically connected with the circuit board, wherein the circuit board is electrically connected with the backlight lamp.

21. A display screen for a domestic appliance according to claim 20, wherein: the touch switch member includes an elastic member extending from the circuit board toward the display film, or the touch switch member includes a touch film (905).

22. A household appliance, characterized in that it comprises:

A domestic appliance display screen as claimed in any one of claims 18 to 21.

23. A method for manufacturing a display film for a display screen of a household appliance, comprising:

forming at least one color icon comprising a plurality of different colors on a first side (111) of a fully transparent or translucent substrate (101); and

forming a background layer (102) outside the area of the color icon on the first side (111) of the substrate (101).

24. The method of manufacturing of claim 23, wherein: the forming at least one color icon comprising a plurality of different colors comprises: and forming a plurality of the color icons distributed at intervals.

25. The method of manufacturing of claim 23, wherein: the forming at least one color icon comprising a plurality of different colors comprises: forming at least one of the colored icons with a thickness not exceeding the thickness of the background layer (102).

26. The method of manufacturing of claim 25, wherein: the forming at least one color icon comprising a plurality of different colors comprises: forming at least one of the colored icons with a thickness less than a thickness of the background layer (102).

27. The method of manufacturing of claim 23, wherein: the manufacturing method comprises the following steps: on a side of the color icon facing away from the substrate (101), a light diffusion layer (104) is formed.

28. The method of manufacturing of claim 27, wherein: the forming a light scattering layer (104) includes: the light diffusion layer (104) is formed with the side facing away from the color icon and the side of the background layer (102) facing away from the substrate (101).

29. The method of manufacturing of claim 23, wherein: the colored icons comprise visible colored icons; the forming at least one color icon comprising a plurality of different colors comprises: -forming said visible colour icon on said first face (111) of said substrate (101); the visible color icon appears on a second surface (112) of the substrate (101) opposite the first surface (111) in the absence of backlight light.

30. The method of manufacturing of claim 29, wherein: the substrate (101) is fully transparent, and the forming of the visible color icon comprises: -forming said visible color icon attached to said first face (111) of said substrate (101) on said first face (111).

31. The method of manufacturing of claim 30, wherein: the forming a background layer (102) comprises: forming a background layer (102) on the first surface (111) of the substrate (101) and attached to the first surface (111); the visible color icon has a thickness that does not exceed the thickness of the background layer (102).

32. The method of manufacturing of claim 29, wherein: the colored icons comprise hidden colored icons; the forming at least one color icon comprising a plurality of different colors comprises: -forming said hidden colour icon on said first face (111) of said substrate (101); the hidden color icon is hidden on a second surface (112) of the substrate (101) opposite to the first surface (111) under the condition of no backlight light irradiation, and is displayed on the second surface (112) under the condition of backlight light irradiation.

33. The method of manufacturing of claim 32, wherein: the manufacturing method comprises the following steps: forming a translucent base colour layer (208) on said first side (111) of said substrate (101);

the forming the hidden color icon comprises: and forming the hidden color icon on the surface of the bottom color layer (208) opposite to the substrate (101).

34. The method of manufacturing of claim 33, wherein: the forming a background layer (102) comprises: a background layer (102) is formed on the side of the base color layer (208) facing away from the substrate (101).

35. The method of manufacturing of claim 33, wherein: the forming a background layer (102) comprises: -forming the background layer (102) on a first side (111) of the substrate (101);

the forming a translucent base color layer (208) comprises: the background layer (208) is formed on the side of the background layer (102) opposite to the substrate (101).

36. The method of manufacturing of claim 33, wherein: the colored icons comprise visible colored icons; the forming at least one color icon comprising a plurality of different colors comprises: -forming said visible colour icon on said first face (111) of said substrate (101); the visible color icon appears on a second surface (112) of the substrate (101) opposite the first surface (111) in the absence of backlight light.

37. The method of manufacturing of claim 36, wherein: the forming a translucent base color layer (208) comprises: forming the base color layer (208) outside the area of the visible color icon; or

And forming the base color layer (208) outside the area of the visible color icon and on the side of the visible color icon, which faces away from the substrate (101).

38. The method of manufacturing of claim 32, wherein: the substrate (101) is translucent, and the forming the hidden color icon comprises: forming the hidden color icon on the translucent substrate (101).

39. The method of manufacturing of claim 23, wherein: the forming a background layer (102) comprises: screen printing the background layer (102) on the substrate (101); and/or the presence of a gas in the gas,

the forming at least one color icon comprising a plurality of different colors comprises: and printing the color icon on the base material (101) in four colors.

40. The method of manufacturing of claim 23, wherein: the colored icon includes a plurality of regions, and the forming at least one colored icon including a plurality of different colors includes: forming the color icon in which at least two of the regions are different in color and translucent.

41. The method of manufacturing of claim 40, wherein: the color icon forming at least two of the regions being different in color and translucent includes: and forming the colored icon with a plurality of semi-transparent areas.

42. The method of manufacturing of claim 23, wherein: the manufacturing method comprises the following steps: an opaque additional icon is formed on the surface of the substrate (101).

43. The method of manufacturing of any of claims 23 or 39-41, wherein: after the color icon is formed, the background layer is formed.

Technical Field

The application relates to the field of display, in particular to a display film, a display screen of a household appliance, the household appliance and a manufacturing method.

Background

Some existing household appliances, such as food processors and the like, have single color of interface display icons, and the icons are abstract and difficult to identify, so that users are difficult to understand. The mobile phone uses a color liquid crystal screen display interface, so that the icons in the mobile phone are rich in color, visual and intuitive, and easy to understand and recognize by users. However, the color liquid crystal screen has high cost, and is difficult to popularize and apply when being used for interface display of household appliances.

Disclosure of Invention

The application provides an improved display film, a display screen of a household appliance, the household appliance and a manufacturing method.

One aspect of the present application provides a display film for a display screen of a home appliance, comprising: a substrate, which is fully transparent or translucent and comprises a first side and a second side opposite to the first side; a plurality of color icons spaced apart on the first side of the substrate, at least one of the color icons including a plurality of different colors; and the background layer is arranged on the first surface of the base material and is positioned outside the area of the color icon.

Another aspect of the present application provides a display screen for a home appliance, which includes: a backlight; and a display film.

Another aspect of the present application provides a home appliance, including: domestic appliance display screen.

Another aspect of the present invention provides a method for manufacturing a display film for a display screen of a home appliance, including: forming at least one color icon comprising a plurality of different colors on a first side of a fully transparent or translucent substrate; and forming a background layer outside the area of the color icon on the first side of the substrate.

The display film of the embodiment of the application is provided with the color icons on the base material, at least one color icon comprises multiple different colors, the display film is low in cost relative to a color liquid crystal screen, the color icons can be displayed simultaneously, the color of the icons is rich, the images are visual, users can understand easily, and the display film looks more attractive and rich in vision.

Drawings

FIG. 1 is a schematic flow chart illustrating the fabrication of one embodiment of a display film of the present application;

FIG. 2 is a cross-sectional view of the display film shown in FIG. 1 taken along line A1-A1;

FIG. 3 is a black and white schematic view of an example of a color icon;

FIG. 4 is a schematic flow chart illustrating the fabrication of another embodiment of a display film of the present application;

FIG. 5 is a cross-sectional view of the display film shown in FIG. 4 taken along line A2-A2;

FIG. 6 is a schematic flow chart illustrating the fabrication of another embodiment of a display film of the present application;

FIG. 7 is a cross-sectional view of the display film shown in FIG. 6 taken along line A3-A3;

FIG. 8 is a cross-sectional view of another embodiment of a display membrane of the present application;

FIG. 9 is a schematic perspective exploded view of one embodiment of a display screen of a home appliance of the present application;

FIG. 10 is a side exploded view of the display screen of the household appliance of FIG. 9;

FIG. 11 is a schematic view of a state of a display film of an embodiment of a display screen of a home appliance according to the present application;

FIG. 12 is a schematic view showing another state of the display film shown in FIG. 11;

FIG. 13 is a schematic view showing a state of a display film according to another embodiment of a display screen of a home appliance of the present application;

FIG. 14 is a schematic view showing another state of the display film shown in FIG. 13;

FIG. 15 is a schematic view showing still another state of the display film shown in FIG. 13;

FIG. 16 is a schematic view showing a state of a display film according to another embodiment of a display screen of a home appliance of the present application;

FIG. 17 is a schematic view showing another state of the display film shown in FIG. 16;

FIG. 18 is a schematic view showing still another state of the display film shown in FIG. 16;

FIG. 19 is a schematic view showing still another state of the display film shown in FIG. 16;

FIG. 20 is a schematic perspective exploded view of another embodiment of a display screen for a home appliance of the present application;

FIG. 21 is a side exploded view of the display of the household appliance of FIG. 20;

FIG. 22 is a schematic perspective exploded view of another embodiment of a display screen for a home appliance in accordance with the present application;

FIG. 23 is a schematic perspective exploded view of another embodiment of a display screen of a home appliance of the present application;

FIG. 24 is an exploded perspective view of another embodiment of a display screen of a household appliance in accordance with the present application;

FIG. 25 is a schematic side exploded view of another embodiment of a home appliance display screen according to the present application;

FIG. 26 is a schematic side exploded view of another embodiment of a home appliance display screen according to the present application;

FIG. 27 is a schematic side exploded view of another embodiment of a home appliance display screen according to the present application;

FIG. 28 is a perspective view of an embodiment of a household appliance of the present application;

FIG. 29 is a flow chart illustrating one embodiment of a method of making the present application.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "plurality" or "a number" and the like mean at least two. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The display film provided by the embodiment of the application is used for a display screen of a household appliance and comprises a base material, a plurality of color icons distributed at intervals and a background layer. The substrate is fully transparent or translucent and includes a first side and a second side opposite the first side. At least one color icon is disposed on the first side of the substrate, the at least one color icon comprising a plurality of different colors. The background layer is arranged on the first surface of the substrate and is positioned outside the area of the color icon.

The display film of some embodiments of this application is equipped with the color icon on the substrate, and at least one color icon includes the colour of multiple difference, and this display film is with low costs for colored LCD screen, can show the color icon simultaneously, and the icon colour is abundant, and is visual directly perceived, and easy user understands, looks more pleasing to the eye abundant in the vision.

The display screen of the household appliance comprises a backlight lamp and a display film.

The household appliance of some embodiments of the present application includes a household appliance display screen.

The manufacturing method of some embodiments of the present application is used for manufacturing a display film of a display screen of a household appliance, and includes: at least one color icon comprising a plurality of different colors is formed on the first side of the fully transparent or translucent substrate. And the method includes forming a background layer on the first side of the substrate outside the area of the color icon.

FIG. 1 is a schematic flow chart illustrating the fabrication of one embodiment of a display film 100 according to the present application. FIG. 2 is a cross-sectional view of the display film 100 shown in FIG. 1 taken along line A1-A1. Referring to fig. 1 and 2, a display film 100 is used for a home appliance display screen. The home appliance display screen may be used for home appliances, which may include small home appliances, and the like. The display film 100 includes a substrate 101 and a plurality of spaced apart colored icons A, B, C, D. The substrate 101 is fully transparent or translucent and includes a first side 111 and a second side 112 opposite the first side 111. The display film 100 includes a color icon layer 103, and the color icon layer 103 is disposed on the first surface 111 of the substrate 101. Color icon layer 103 includes color icons A, B, C, D. At least one colored icon A, B, C, D includes a plurality of different colors. The at least one colored icon A, B, C, D includes multiple regions, at least two different regions displaying different colors. At the same time, at least one colored icon A, B, C, D appears in a plurality of different colors, with at least two different regions displaying different colors. At least one colored icon A, B, C, D appears in a plurality of different colors with at least two different regions displaying different colors when illuminated with the same color of light. The display film 100 is low in cost relative to a color liquid crystal display, can display color icons, is colorful, visual, easy to understand for users, and is more attractive and rich in visual appearance. In some embodiments, different colored icons A, B, C, D may represent different information, such as functions, etc. The plurality of color icons A, B, C, D distributed at intervals can visually display more information, so that the display screen of the household appliance can visually display more information, for example, various functions, intuition and vividness can be visually displayed, and the operation is convenient.

Fig. 1 is a schematic view from the first side 111 of the substrate 101. The household appliance display screen comprises a display surface facing a user. In one embodiment, the first side 111 of the substrate 101 is the side facing away from the display side, and the second side 112 of the substrate 101 is the side facing the display side. In another embodiment, the first side 111 of the substrate 101 is the side facing the display side, and the second side 112 is the side facing away from the display side.

In some embodiments, the substrate 101 may comprise a PET (Polyethylene terephthalate) substrate, which is a thin film. The PET substrate has low cost and thin thickness, and the display film 100 made of the PET substrate can be arranged in a display screen of a household appliance. In other embodiments, the substrate 101 may comprise other thin film substrates. In other embodiments, the substrate 101 may include a PVC (Polyvinyl chloride) substrate and/or a glass substrate. The hardness of PVC substrate and glass substrate is bigger than the hardness of film substrates such as PET substrate, and the thickness of PVC substrate and glass substrate can be bigger than the thickness of film substrates such as PET substrate, can save the panel of domestic appliance display screen, can directly show in the outward appearance of product. The PVC base material has low cost. The glass substrate is scratch-resistant, has good light transmittance and higher product appearance.

In some embodiments, the substrate 101 is transparent or translucent, such that the color icon A, B, C, D is disposed on a side of the substrate 101 facing away from a user when the substrate 101 is used in a display screen of a household appliance, wherein the first side 111 faces away from a display surface, the color icon A, B, C, D can be visible through the substrate 101, and the substrate 101 can protect the color icon layer 103. In this embodiment, the substrate 101 may be a fully transparent substrate. In other embodiments, the substrate 101 may be a translucent substrate. The transparency of "translucent" is between fully transparent and opaque.

The colored icon A, B, C, D can be directly disposed on the first side 111 of the substrate 101, i.e., the colored icon A, B, C, D is attached to the first side 111 of the substrate 101 without an additional layer between the colored icon A, B, C, D and the first side 111 of the substrate 101; alternatively, the colored icon A, B, C, D may be provided on the first side 111 of the substrate 101 indirectly, i.e., there may be another layer between the colored icon A, B, C, D and the first side 111 of the substrate 101, and the colored icon A, B, C, D may be provided on another layer of the first side 111 of the substrate 101. In the embodiment shown in fig. 1 and 2, the colored icon A, B, C, D is attached to the first side 111 of the substrate 101, is in contact with the first side 111 of the substrate 101, and is disposed directly on the first side 111 of the substrate 101. The "up" of some embodiments herein is not limited to one position or one spatial orientation. The expressions "on a substrate", "on a first side of a substrate", "on one side", and the like, of some embodiments herein may refer to a direct arrangement, with no other layer between the two layers, or to an indirect arrangement, with other layers between the two layers.

In some embodiments, color icon layer 103 is printed on substrate 101 and color icon A, B, C, D is printed on substrate 101. the printing process is simple and low cost, and color icon A, B, C, D is not easily distorted, and is the same as or nearly the same as the original design. The colored icon A, B, C, D can be printed directly on the surface of the substrate 101 or on another layer on the substrate 101, i.e., there can be another layer between the colored icon A, B, C, D and the substrate 101.

Color icon layer 103 includes one or more color icons A, B, C, D. The at least one colored icon A, B, C, D includes multiple regions, at least two different regions displaying different colors. In some embodiments, the different colors may include different colors mixed by three primary colors of different proportions.

Fig. 3 is a black and white schematic diagram of an example of a colored icon 105. The colored icon 105 includes a plurality of regions, such as region 106 and 109, shown in FIG. 3. The area 106 in the color icon 105 representing juice in the cup may be orange in color, the area 107 representing oranges may be orange in color, the area 108 representing strawberries may be red in color, and the area 109 representing leaves may be green in color. The different areas 106 and 109 of the colored icon 105 can be different colors, so that the colored icon 105 presents a plurality of colors and the icon is rich in image. For illustration purposes only, only a portion of the area 106 and 109 are labeled in fig. 3, and the color icon 105 of fig. 3 also includes other non-labeled areas, and the color of each area may be a color close to the real object. Fig. 3 is only an example, and the actual application is not limited to this example, and the icon and its color may be designed according to the actual application.

With continued reference to fig. 1 and 2, in some embodiments, a colored icon A, B, C, D may represent a function or the like. For example, the colored icon 105 in fig. 3 may represent a function of making juice. Different colored icons A, B, C, D may indicate different functions, such as soymilk making, corn juice making, rice paste making, milkshakes making, and the like. The colored icon A, B, C, D may be in physical proximity. The colored icon A, B, C, D may include a logo, pattern, text, and/or letters, etc.

In some embodiments, at least two regions (e.g., region 106 and 109 of FIG. 3) of the colored icon A, B, C, D are different colors and are translucent to allow backlight light to pass through. Under backlight light illumination, the colored icon A, B, C, D may be more aesthetically pleasing. In some embodiments, color icon layer 103 is translucent, and regions of color icon A, B, C, D are translucent, and are more clearly visible under backlight illumination, and color icon A, B, C, D may be more aesthetically pleasing. Also, in some embodiments, different backlight light patterns (e.g., on or off, flashing, etc.) may be implemented so that the colored icon A, B, C, D may indicate different states of the appliance, indicating more information. In other embodiments, colored icon A, B, C, D is opaque.

In some embodiments, the color icon layer 103 may be formed on the substrate 101 by four color printing, and the color icon A, B, C, D may be formed on the substrate 101 by four color printing, and may be printed with a rich color icon. The four-color printing refers to printing with three primary colors (yellow, magenta, cyan) and black by subtractive color method. In the example shown in fig. 1, a color icon A, B, C, D is formed on one side of the base material 101 by four-color printing.

In other embodiments, the color icon layer 103 may be sprayed on the substrate 101, or adhered to the substrate 101 using a film or sheet material.

In some embodiments, the colored icon A, B, C, D comprises a visible colored icon formed on the first side 111 of the substrate 101 that appears on the second side 112 of the substrate 101 in the absence of backlight light. In one embodiment, the substrate 101 is fully transparent, the visible color icon A, B, C, D is attached to the first side 111 of the substrate 101, and the visible color icon is printed directly on the first side 111 of the fully transparent substrate 101 with few processing steps and a thin display film 100. In use, the second side 112 of the substrate 101 faces the user, who views the colored icon A, B, C, D from the second side 112. A backlight (not shown) may be placed behind the first side 111 of the substrate 101, and the backlight may emit light to illuminate the visible color icons from the first side 111 of the substrate 101. When the backlight is not illuminated, the color icon is visible from the second side 112 of the substrate 101, but the icon is not illuminated; when the backlight emits light, the light can be transmitted through the visible color icon, and the visible color icon is lighted. In the embodiment shown in fig. 1 and 2, colored icons A, B, C, D are both visible colored icons. The visible color icons can be seen without lighting the backlight lamp, and are visual and vivid, so that the user can conveniently check and operate the visible color icons, and the electric quantity is saved.

In some embodiments, the display film 100 includes a background layer 102, the background layer 102 being disposed on the first side 111 of the substrate 101 outside the area of the colored icon A, B, C, D. The background layer 102 and the color icon layer 103 are disposed on the same surface of the substrate 101, and the background layer 102 and the color icon A, B, C, D are disposed on the first surface 111 of the substrate 101. The background layer 102 and the colored icon A, B, C, D are offset so that they do not overlap, and the background layer 102 does not affect the transmission of the colored icon A, B, C, D. The background layer 102 may make the colored icons A, B, C, D visible and may provide a pleasing aesthetic appearance. The color of the background layer 102 may be coordinated with the color of the bezel of the display screen of the home appliance and/or the housing of the home appliance using the display film 100, so that the overall appearance is coordinated and beautiful.

The background layer 102 is at least partially disposed in the spacing region between the plurality of colored icons A, B, C, D to distinguish the plurality of colored icons A, B, C, D.

In some embodiments, the background layer 102 may be formed on the substrate 101 by printing. The background layer 102 may be printed directly on the surface of the substrate 101, or may be printed on another layer on the substrate 101, i.e. there may be another layer between the background layer 102 and the substrate 101. In other embodiments, the background layer 102 may be applied to the substrate 101 by other films or sheet materials.

In some embodiments, the background layer 102 is formed on the substrate 101 by screen printing. The silk screen printing method includes using silk screen as printing base and making silk screen printing plate with picture and text by photosensitive plate making method. The screen printing method is suitable for various base materials, is not limited by the surface shape and the area size of the base materials, and is high in flexibility and applicability. The printing can be performed on both a soft substrate and a hard substrate by screen printing, and can also be performed on a substrate which is flat or non-flat (for example, curved surface or spherical surface). As shown in fig. 1 (2), a background layer 102 is formed by screen printing in an area of the base material 101 other than the color mark layer 103.

In one embodiment, the background layer 102 includes opaque light blocking layers formed over the colored icons A, B, C, D, the light blocking layers not allowing light to pass therethrough, making the colored icons A, B, C, D more visible under light. In another embodiment, the background layer 102 may be semi-transparent and the transparency of the background layer 102 may be less than the transparency of the colored icon A, B, C, D.

In some embodiments, the color of the background layer 102 may be the same or close to the exterior color of the home appliance display screen and/or home appliance in which the display film 100 is used, harmonizing the appearance color of the home appliance. In one example, the background layer 102 is a black or silver gray light-shielding layer.

Referring to fig. 2, the thickness of at least one of the colored icons A, B, C, D does not exceed the thickness of the background layer 102, resulting in a thinner overall thickness of the display film 100. In the illustrated embodiment, the colored icons A, B, C, D are embedded in the background layer 102, and the colored icons A, B, C, D are no thicker than the thickness of the background layer 102. In the illustrated embodiment, the background layer 102 is attached to the first side 111 of the substrate 101, and the visible color icons have a thickness that does not exceed the thickness of the background layer 102. The visible color icon is attached to the first surface 111 of the substrate 101, the background layer 102 and the visible color icon are both directly disposed on the first surface 111 of the substrate 101, the thickness of the visible color icon does not exceed the thickness of the background layer 102, and the overall thickness of the display film 100 is relatively thin. In one embodiment, the thickness of the visible color icon is less than the thickness of the background layer 102.

In one embodiment, the thickness of at least one colored icon A, B, C, D is less than the thickness of background layer 102, the overall thickness of display film 100 is thinner, and space may be left for other layers. In the illustrated embodiment, the thickness of the colored icon A, B, C, D is less than the thickness of the background layer 102. In one embodiment, the side of the colored icon A, B, C, D facing the substrate 101 can be flush with the side of the background layer 102 facing the substrate 101.

In some embodiments, the display film 100 includes a light diffusing layer 104, and the light diffusing layer 104 is disposed on a side of the colored icon A, B, C, D opposite the substrate 101 to make the light emitted from the colored icon A, B, C, D more uniform. In one embodiment, the light diffusing layer 104 is translucent to prevent light leakage, and can block components located behind the display film 100, such as a backlight, in a display screen of a home appliance using the display film 100, to prevent the components from being visible to a user from the display film 100, thereby improving the aesthetic appearance and making the color icon A, B, C, D clear. As shown in fig. 1 (3), a light diffusion layer 104 is printed on a surface of the color mark layer 103 facing away from the base material 101. In one embodiment, the diffuser layer 104 may be screen printed using a semi-transparent white ink. In another embodiment, the light dispersing layer 104 may be formed by printing with a material containing light dispersing particles.

In some embodiments, the side of the light diffusing layer 104 facing away from the colored icon A, B, C, D is flush with the side of the background layer 102 facing away from the substrate 101, indicating a smoother surface of the film 100.

In one embodiment, the display film 100 includes an opaque additional icon E formed on the surface of the substrate 101, the display film 100 displaying rich information. One or more additional icons E may be provided. The additional icon E may be provided on at least one of the first surface 111 and the second surface 112 of the substrate 101. In the illustrated embodiment, the additional icon E is formed directly on the first side 111 of the substrate 101 and attached to the first side 111. In other embodiments, the additional icon E is formed directly on the second side 112 of the substrate 101, attached to the second side 112. In other embodiments, at least one additional icon E is formed on the first side 111 of the substrate 101 and at least one additional icon E is formed on the second side 112 of the substrate 101. In other embodiments, additional layers may be disposed between the additional icon E and the surface of the substrate 101. In some embodiments, the additional icon E may include a trademark, descriptive text, and/or descriptive graphics, etc. The additional icon E may be a single color or a color including a plurality of colors.

The additional icon E may be printed on the surface of the substrate 101, as shown in fig. 1 (1). As shown in fig. 1(2), a background layer 102 is formed on the surface of the additional icon E facing away from the substrate 101, and the background layer 102 shields the additional icon E. The background layer 102 may be a light-shielding layer, and an additional icon E, which is not visible in the drawing and is indicated by a dotted line, is shown on a surface of the background layer 102 facing away from the substrate 101. In other embodiments, the background layer 102 may be backed off of the additional icon E, with the background layer 102 and the additional icon E being staggered.

In some embodiments, the color icon A, B, C, D may be formed on the surface of the substrate 101 before the additional icon E is formed. In another embodiment, the additional icon E may be formed on the surface of the substrate 101 before the color icon A, B, C, D is formed. In some embodiments, the background layer 102 may be formed first, followed by the light-diffusing layer 104. In other embodiments, the light-diffusing layer 104 may be formed first, followed by the background layer 102.

Fig. 4 is a schematic flow chart illustrating the fabrication of another embodiment of a display film 200 according to the present application. FIG. 5 is a cross-sectional view of the display film 200 shown in FIG. 4 taken along line A2-A2. The embodiment shown in fig. 4 and 5 is similar to the embodiment shown in fig. 1 and 2. In contrast to the embodiment shown in fig. 1 and 2, the embodiment shown in fig. 4 and 5 includes a hidden color icon A, B, C, D formed on the first side 211 of the substrate 201, where on the second side 212 of the substrate 201, the hidden color icon is hidden in the absence of backlight light and appears in the presence of backlight light. The colored icon A, B, C, D is not visible from the second side 212 of the display film 200 under illumination without a backlight, and the colored icon A, B, C, D is a hidden colored icon. When light from a backlight is irradiated onto the hidden color icon, it is revealed. The second surface 212 of the substrate 201 faces a user, and after the display screen of the household appliance using the display film 200 is powered on, the backlight lamp can be lightened or flickered, so that the hidden color icons are displayed, and the color icons can be seen when the ambient light is dark, thereby facilitating the viewing and operation of the user. When no light is irradiated, the hidden color icons are invisible, and the displayed page is concise. And when one of the hidden colored icons is lightened or flickers, other colored icons can be hidden without light irradiation, so that the page is concise, and the interference information is less.

In fig. 4(1), an additional icon E is provided on the substrate 201, and the additional icon E is similar to the additional icon E shown in fig. 1 and is not repeated herein.

In one embodiment, as shown in fig. 4 (2), the display film 200 includes a translucent bottom color layer 208 formed on a first surface 211 of the substrate 201, and the hidden color icon is formed on a surface of the bottom color layer 208 opposite to the substrate 201, and a variety of substrates 201 can be selected. The substrate 201 may be a fully transparent substrate, and the bottom color layer 208 may be formed on the surface of the substrate 201 by screen printing using a translucent ink. In some embodiments, the color of the base color layer 208 may be the same or close to the exterior color of the home appliance in which the display film 200 is used, for example, the same or close to the panel color of the home appliance display screen of the home appliance, to coordinate the appearance color of the home appliance. In one example, the base color layer 208 is black or silver. As shown in fig. 4 (3), a color icon A, B, C, D is formed by four-color printing on the side of the ground color layer 208 opposite to the base material 201. Because the bottom color layer 208 is translucent, the colored icon A, B, C, D is a hidden colored icon.

In one embodiment, the base color layer 208 is at least partially formed on the side opposite the substrate 201 to which the icon E is attached. In another embodiment, the base color layer 208 avoids the additional icon E, which is offset from and does not overlap the base color layer 208.

As shown in fig. 4 (4), the background layer 202 is printed in the area of the background layer 208 outside the color icon A, B, C, D. The background layer 202 may make the colored icon A, B, C, D visible and may make the appearance pleasing. The background layer 202 may be formed by screen printing. The background layer 202 may be an opaque light-shielding layer. The background layer 202 is similar to the background layer 102 shown in fig. 1 and will not be described herein.

In another embodiment, the background layer 202 is formed between the basecoat layer 208 and the substrate 201, with the color icon A, B, C, D offset from the background layer 202. A background layer 202 is formed on the substrate 201, leaving an area where the color icon A, B, C, D is required, a ground color layer 208 is formed on the background layer 202 and the area of the substrate 201 where the color icon A, B, C, D is given, and a color icon A, B, C, D is formed on the ground color layer 208. The colored icon A, B, C, D does not overlap with the background layer 202.

In another embodiment, where the background layer 202 is formed on the substrate 201 and the background layer 208 and the colored icons A, B, C, D are offset from the background layer 202, material savings can be made in the background layer 208. The base color layer 208 and the color icon A, B, C, D are overlapped, and the color icon A, B, C, D is positioned on the side of the base color layer 208 opposite to the substrate 201, so that the base color layer 208 and the color icon A, B, C, D are not overlapped with the background layer 202 for hiding the color icon.

In another embodiment, the substrate 201 is a translucent substrate and the hidden color icon is formed on the translucent substrate 201. The bottom color layer 208 can be omitted, the color icon layer 203 can be directly formed on the surface of the substrate 201, and the background layer 202 can also be directly formed on the surface of the substrate 201, so as to simplify the process.

Similar to the light-diffusing layer 104 shown in fig. 1 and 2, in the embodiment shown in fig. 4 and 5, a translucent light-diffusing layer 204 may be screen-printed on the side of the colored icon A, B, C, D facing away from the substrate 201, as shown in fig. 4 (5), and described in detail above.

Similar to the embodiments described above, the thickness of the colored icon A, B, C, D does not exceed the thickness of the background layer 202. In one embodiment, the thickness of the colored icon A, B, C, D is less than the thickness of the background layer 202. The side of the light-diffusing layer 204 facing away from the colored icon A, B, C, D is flush with the side of the background layer 202 facing away from the substrate 201. The detailed description is referred to above and will not be repeated herein.

FIG. 6 is a schematic flow chart illustrating the fabrication of another embodiment of a display film 300 according to the present application. FIG. 7 is a cross-sectional view of the display film 300 shown in FIG. 6 taken along line A3-A3. The embodiment shown in fig. 6 and 7 is similar to the embodiment shown in fig. 1 and 4. In the embodiment shown in fig. 6 and 7, the color icons of color icon layer 303 include visible color icons A, B and hidden color icons C, D.

In fig. 6 (1), a visible color icon A, B forming a color icon layer 303 is printed in four colors on a substrate 301. The substrate 301 is a fully transparent substrate. In one embodiment, additional icons E are provided on the substrate 301. In one embodiment, the visible colored icon A, B may be formed first, followed by the additional icon E. In another embodiment, the additional icon E may be formed first, followed by the visible colored icon A, B.

Base color layer 308 is further screen printed over substrate 301, as shown in fig. 6, diagram (2), except that color icon A, B is visible. In the embodiment shown in fig. 6 and 7, the base layer 308 avoids the additional icon E. In other embodiments, the base color layer 308 may overlay the additional icon E. In the embodiment shown in fig. 6 and 7, the bottom color layer 308 is offset from the visible color icon A, B, the light illuminating the visible color icon A, B is not attenuated by the bottom color layer 308, and the visible color icon A, B is illuminated with a higher intensity and is more clear. A visible color icon A, B is embedded within base color layer 308 to correspond with the thickness of base color layer 308.

A hidden color icon C, D is further printed in four colors on the base color layer 308 as shown in fig. 6 (3). The background layer 302 is screen printed further on the base color layer 308, except that the colored icons C, D are hidden. The background layer 302 is outside the visible colored icon A, B and the hidden colored icon C, D, as shown in diagram (4) of fig. 6. The light diffusing layer 304 is further printed over the visible colored icon A, B and the hidden colored icon C, D.

The thickness of the hidden color icon C, D does not exceed the thickness of the background layer 302. The side of the light diffusion layer 304 facing away from the substrate 301 is flush with the side of the background layer 302 facing away from the substrate 301. The detailed description of the embodiments shown in fig. 6 and 7 refers to the above description and will not be repeated here.

Fig. 8 illustrates a cross-sectional view showing another embodiment of a membrane 1200. The embodiment shown in fig. 8 is similar to the embodiment shown in fig. 7. In contrast to the embodiment shown in fig. 7, in the embodiment shown in fig. 8, the background layer 1208 is at least partially disposed on the side of the visible color icon a opposite to the substrate 1201, and the background layer 1208 attenuates the light intensity such that the intensity of the light transmitted through the visible color icon a is substantially similar to and more uniform than the intensity of the light transmitted through the hidden color icon C. A light-diffusing layer 1204 corresponding to the visible color icon a is disposed on a side of the background layer 1208 facing away from the substrate 1201, corresponding to the region of the visible color icon a. The light-diffusing layer 1204 corresponding to the hidden color icon C may be directly disposed on the side of the hidden color icon C opposite to the substrate 1201.

Fig. 9 is a schematic perspective exploded view of an embodiment of a display screen 400 of a home appliance according to the present application. Fig. 10 is a side exploded view of the display 400 of the home appliance shown in fig. 9. The home appliance display screen 400 includes a backlight 420 and 423 and the display film 100.

One or more backlights 420-423 may be provided, the position of the backlight 420-423 corresponds to the position of the color icon A, B, C, D, and the light emitted by the backlight 420-423 is irradiated on the color icon A, B, C, D, so that the color icon A, B, C, D is lighted and displayed. The backlight 420 and 423 may emit white light. The number of backlights 420-423 may correspond to the number of colored icons A, B, C, D and may correspond one-to-one.

In one embodiment, the display screen 400 of the household appliance further comprises a support 401, the support 401 is provided with a through hole 410 and 413, the background light 420 and 423 and the display film 100 are located on two opposite sides of the support 401, and the color icon A, B, C, D of the background light 420 and 423 and the display film 100 corresponds to the through hole 410 and 413, so that the assembly is simple and convenient. The bracket 401 may form one or more through holes 410 and 413, and the number of the through holes 410 and 413 may be the same as the number of the color icons A, B, C, D of the color icon layer 103, and may correspond to each other.

The through holes 410 and 413 give way to the backlight lamps 420 and 423 and the color icon A, B, C, D, so that the light emitted from the backlight lamps 420 and 423 can be irradiated onto the color icon A, B, C, D, and the color icon A, B, C, D is lighted. The through holes 410 and 413 can be separated from each other to separate the backlights 420 and 423, so that the lights emitted from the backlights 420 and 423 can be irradiated onto the corresponding color icons A, B, C, D to avoid mutual influence.

In one embodiment, the display 400 further includes a circuit board 402, the circuit board 402 is fixed to one side of the bracket 401, the backlight 420 and 423 are installed on the circuit board 402, and the display film 100 is located on one side of the bracket 401 opposite to the circuit board 402. The circuit board 402 stabilizes the structure of the backlight 420 and 423, so that the flat cable is neat. The flat cable may be arranged on the circuit board 402 or directly formed on the circuit board 402, so that the flat cable is neat. The circuit board 402 and the display film 100 are located on opposite sides of the support 401, and the support 401 may serve as a support fixture. In one embodiment, circuitry (not shown) may be disposed on circuit board 402 to control backlight 420 and 423.

In some embodiments, the display screen 400 of the household appliance includes a panel 403, and the panel 403 is disposed on a side of the display film 100 facing away from the backlight 420 and 423. In one embodiment, panel 403 is positioned on a side of support 401 facing away from circuit board 402, and display film 100 is positioned between panel 403 and support 401. The back of the display film 100 faces the support 401, and the panel 403 covers the front of the display film 100. The panel 403 may protect and support the display film 100, facilitating the secure assembly of the display film 100. The substrate of display film 100 may be a flexible film. The panel 403 is translucent or fully transparent. In the embodiment shown in fig. 9 and 10, the panel 403 comprises a translucent PC (Polycarbonate) panel. The translucent PC panel may obscure some components behind the PC panel, leaving the color icons displayed in clear. The PC panel has good light transmission and high light transmittance, so that the color icons are clear.

In some embodiments, the display film 100 is affixed to the support 401. The display film 100 may be adhered to a side of the support 401 facing the panel 403. The display film 100 is adhered to the support 401, so that the adhesion is convenient, and is not influenced by the shape of the panel 403, and the shape of the panel 403 can be a plane or a non-plane. In another embodiment, the display film 100 is adhered to the panel 403. The display film 100 may be adhered to the side of the panel 403 facing the support 401. The display film 100 is attached to the panel 403, more clearly. The display film 100 is attached to the panel 403 of the non-planar panel 403 so as to be as close as possible to the non-planar panel 403, thereby making the color icons more visible from the side of the panel 403 opposite to the display film 100.

The display film in the embodiment shown in fig. 9 may be the display film 100 shown in fig. 1 and 2. In other embodiments, the display film of the home appliance display screen 400 may be the display film 200 or 300 or 1200 shown in fig. 4-8, or the display film of other embodiments described above.

In one embodiment, the display film is the display film 100 of fig. 1 and the colored icon A, B, C, D is a visible colored icon. Fig. 11 and 12 are schematic diagrams of different operating states of the display film 100 shown from the first side 111 of the substrate 101 of the display film 100. When the backlight 420-423 is not energized and not lit, the colored icon A, B, C, D is visible but not lit, as shown in FIG. 11. In one embodiment, when the backlight 420 and 423 are turned on, the corresponding color icon A, B, C, D transmits light and turns on. In some embodiments, one or more of the backlights 420 and 423 may be controlled to illuminate or flash such that the corresponding colored icon A, B, C, D illuminates or flashes indicating that the corresponding colored icon A, B, C, D is selected.

As shown in fig. 12, the backlight 420 (shown in fig. 9) corresponding to the color icon a is lit, and the color icon a is lit, indicating that the color icon a is selected. In one embodiment, the illumination of the color icon a may indicate that the home appliance is performing a function corresponding to the color icon a. In another embodiment, the colored icon A may blink. In some embodiments, the colored icon A, B, C, D can be illuminated to indicate one operational state of the appliance, such as one of selected function but not started, end, and working, and the colored icon A, B, C, D can be illuminated to indicate another operational state, such as another one of selected function but not started, end, and working. The additional icon E is not illuminated by light and is visible on the first side 101 of the substrate 101.

In another embodiment, the display film of the display screen 400 of the home appliance is the display film 200 shown in fig. 4, and the colored icon A, B, C, D is a hidden colored icon. Fig. 13-15 are schematic diagrams of different operating states of the display film 200 shown from the first side 211 of the substrate 201 of the display film 200. When the backlight 420-423 is not powered and not lit, the colored icon A, B, C, D is not visible, as shown in FIG. 13. The additional icon E is not illuminated by light and is visible on the first side 101 of the substrate 101.

When the backlight 420 and 423 are powered on, the corresponding color icon A, B, C, D is lit. In some embodiments, one or more of the backlights 420 and 423 may be controlled to illuminate or flash such that the corresponding colored icon A, B, C, D illuminates or flashes indicating that the corresponding colored icon A, B, C, D is selected. In one embodiment, as shown in FIG. 14, a plurality of backlights 420 and 423 are illuminated and a plurality of colored icons A, B, C and D are illuminated. In one embodiment, as shown in fig. 15, backlight 420 corresponding to color icon a blinks, and color icon a blinks, indicating that color icon a is selected. In another embodiment, the selected colored icon may light up or flash, and the other colored icons may not light up.

In another embodiment, the display film of the home appliance display screen 400 is the display film 300 shown in fig. 6, the colored icons A, B are visible colored icons, and the colored icons C, D are hidden colored icons. Fig. 16-19 are schematic diagrams of different operating states of the display film 300 shown from the first side 311 of the substrate 301 of the display film 300. When the backlights 420 and 423 are not powered and not lit, the color icon A, B is visible and the color icon C, D is not visible, as shown in fig. 16.

When the backlight 420 and 423 are turned on, the corresponding color icon A, B, C, D transmits light and is turned on, and the hidden color icon appears. In some embodiments, one or more of the backlights 420 and 423 may be controlled to illuminate or flash such that the corresponding colored icon A, B, C, D illuminates or flashes indicating that the corresponding colored icon A, B, C, D is selected. In one embodiment, upon selection of the visible colored icon A, B, the corresponding backlight 420, 421 is controlled to light up. Upon selection of the hidden colored icon C, D, the backlights 422, 423 are controlled to flash. In another embodiment, upon selection of the visible colored icon A, B, the corresponding backlight 420, 421 is controlled to flash. In another embodiment, the visible colored icon A, B can light up and flash, and the visible colored icon A, B lights up and flashes to indicate different operating states, respectively.

In one embodiment, as shown in fig. 17, after the display 400 of the household appliance is powered on, the backlight 422 and 423 (shown in fig. 5) corresponding to the hidden color icon C, D is lit, so that the hidden color icon C, D appears, and the user can see the color icon A, B, C, D and make a selection. When visible color icon A is selected, color icon A lights up as shown in FIG. 18. In another embodiment, upon selection of visible color icon A, color icon A blinks. In one embodiment, when hidden color icon C is selected, hidden color icon C blinks, as shown in fig. 19.

In another embodiment, the display film of the display screen 400 of the home appliance may be the display film 1200 shown in fig. 8, and the operation state may be similar to the display film 300 shown in fig. 6, as described in detail above.

Fig. 20 is an exploded perspective view of another embodiment of a display screen 500 of a home appliance. Fig. 21 is a side exploded view of the display 500 of the home appliance shown in fig. 20. The home appliance display screen 500 shown in fig. 20 and 21 is similar to the home appliance display screen 400 shown in fig. 9 and 10. In comparison with the home appliance display screen 400 shown In fig. 9 and 10, the display film 100 of the home appliance display screen 500 shown In fig. 20 and 21 is formed on the injection-molded part 503 by In-Mold Decoration (IMD). The injection-molded part 503 can support the display film 100, and the assembly process of the display film 100 is omitted, thereby simplifying the assembly process. In one embodiment, the display membrane 100 is located on a side of the injection molded part 503 facing away from the support 401, and the injection molded part 503 and the display membrane 100 are assembled together to the support 401. The injection molded part 503 is completely transparent or translucent.

In other embodiments, the display film of the home appliance display screen 500 may be the display film 200, 300, 1200 described above or the display film of other embodiments. The operating state of the display screen 500 of the household appliance can be referred to as described above.

Fig. 22 is an exploded perspective view of another embodiment of a display screen 600 of a home appliance. The home appliance display screen 600 shown in fig. 22 is similar to the home appliance display screen 500 shown in fig. 20 and 21. In comparison with the display screen 500 of the home appliance shown in fig. 20 and 21, the display film 100 of the display screen 600 of the home appliance shown in fig. 22 includes a PVC substrate or a glass substrate, has a certain strength and thickness, and is not easily bent or deformed. In one embodiment, the display film 100 may be directly assembled to one side of the bracket 401, and a panel may be omitted.

Fig. 23 is an exploded perspective view of another embodiment of a display screen 700 of a home appliance. The home appliance display screen 700 shown in fig. 23 is similar to the home appliance display screen 400 shown in fig. 9 and 10. Compared with the home appliance display screen 400 shown in fig. 9 and 10, the home appliance display screen 700 shown in fig. 23 includes the touch switch member 724 and 727 electrically connected to the circuit board 702, and the circuit board 702 is electrically connected to the backlight 720 and 723, so that the home appliance display screen 700 can perform display and touch operations, which is convenient for a user to operate. The touch control of the backlight 720 and 723 can be realized by touching the touch switch member 724 and 727 from the surface of the home appliance display screen 700. The corresponding backlight 720 and 723 may be lit, flashed, or extinguished by touching the surface of the home appliance display screen 700 at a location corresponding to the colored icon A, B, C, D.

In the embodiment shown in fig. 23, the touch switch member 724-727 may include an elastic member extending from the circuit board 702 toward the display film 100. In one embodiment, the elastic member extends from the circuit board 702 to the display film 100 through the through hole 410 and 413 of the bracket 401, and presses the surface of the display screen 700 of the household appliance, so that the elastic member can be pressed to change the state of the backlight 720 and 723. The elastic member is low in cost and easy to implement, and can implement touch operations on surfaces (planar or non-planar) of different shapes of the display screen 700 of the home appliance. The elastic member may be applied when the panel of the display screen 700 of the home appliance is flat or non-flat, or when the rigid substrate (e.g., glass substrate or PVC substrate) of the display screen 700 of the home appliance is flat or non-flat, the end of the elastic member may abut or be close to the color icon A, B, C, D, and the color icon A, B, C, D may be pressed to touch the elastic member. The size of the colored icon A, B, C, D is larger than the size of the end of the elastic member near the colored icon A, B, C, D.

In one embodiment, the circuit board 702 is provided with a switch (not shown) connected to the backlight 720 and 723, the elastic member may be connected to the switch, and the switch may be triggered by pressing the elastic member, thereby controlling the backlight 720 and 723. The elastic member may correspond to the backlight 720-723 and the color icon A, B, C, D, and pressing the color icon A, B, C, D may control the corresponding backlight 720-723. In one embodiment, the elastic member comprises a spring surrounding the backlight 720 and 723 to prevent the light from blocking the backlight 720 and 723 to the display film 100.

In the embodiment shown in fig. 23, the front surface of the display film 100 is covered with the panel 403, and the detailed description is referred to above and will not be repeated herein. In other embodiments, the display film may be the display film of display film 200, 300, 1200, or other embodiments above.

Fig. 24 is a perspective exploded view of another embodiment of a home appliance display screen 800. The home appliance display screen 800 shown in fig. 24 is similar to the home appliance display screen 700 shown in fig. 23. The display screen 800 of the household appliance shown in fig. 24 includes a touch switch member 724-727 electrically connected to the circuit board 702, similar to the embodiment shown in fig. 23, and will not be described herein again. Compared to the home appliance display screen 700 shown in figure 23,

the display film 100 of the display screen 800 of the home appliance shown in fig. 24 is formed on the injection-molded part 503 by the in-mold decoration technique, and the related description is referred to above.

In another embodiment, the display film is a display film wherein the substrate is a PVC substrate or a glass substrate, as described above.

Fig. 25 is a side exploded view of another embodiment of a home appliance display screen 900. The home appliance display screen 900 shown in fig. 25 is similar to the home appliance display screen 400 shown in fig. 9 and 10. In comparison with the home appliance display screen 400 shown in fig. 9 and 10, the home appliance display screen 900 shown in fig. 25 includes a touch switch member electrically connected to the circuit board 402. In the embodiment shown in fig. 25, the touch switch member includes the touch film 905, and is sensitive to response and good in touch effect, the touch film 905 transmits light, the color icon is less shielded from light, and the size of the color icon is not limited. The touch film 905 is electrically connected to the circuit board 402, an electrical signal generated after the touch film 905 touches the circuit board 402 can be transmitted to the circuit board 402, and the circuit board 402 generates a corresponding control signal to control the backlight lamps 420 and 422.

In one embodiment, the touch film 905 is located on the side of the display film 100 facing away from the backlight 420, 422. The touch film 905 is located on the front surface of the display film 100. The touch film 905 can sense a touch more sensitively. The touch film 905 is located on the side of the display film 100 facing away from the support 401. The display film 100 is positioned between the touch film 905 and the support 401. In the embodiment shown in fig. 25, one side of the touch film 905 covers the panel 403. In one embodiment, the touch film 905 can be adhered to the panel 403. The display film 100 may be adhered to the support 401. In another embodiment, the touch film 905 is positioned on the side of the display film 100 facing the backlight lamps 420, 422. The touch film 905 is located on the back surface of the display film 100. The touch film 905 is located between the support 401 and the display film 100. The touch film 905 has a short connection line with the circuit board 402, thereby facilitating wire arrangement. In one embodiment, the touch film 905 and the display film 100 are independently formed on different substrates.

In other embodiments, the display film may be the display film of display film 200, 300, 1200, or other embodiments above.

Fig. 26 is a side exploded view of another embodiment of a home appliance display screen 1000. The home appliance display screen 1000 shown in fig. 26 is similar to the home appliance display screen 900 shown in fig. 25. Compared to the home appliance display screen 900 shown in fig. 25, the touch film 1005 and the display film 1010 of the home appliance display screen 1000 shown in fig. 26 share a substrate, so that material, cost, assembly, and thickness can be saved. A color mark layer of the display film 1010 and the like are formed on one surface of the substrate, and a conductive layer of the touch film 1005 and the like are formed on the other surface of the substrate. In one embodiment, display film 1010 is on the side of touch film 1005 that faces away from the backlight. In another embodiment, touch film 1005 is on the side of display film 1010 facing away from the backlight.

Fig. 27 is a side exploded view of another embodiment of a home appliance display screen 1100. The home appliance display screen 1100 shown in fig. 27 is similar to the home appliance display screen 1000 shown in fig. 26. In contrast to the home appliance display screen 1000 shown in fig. 26, the display film 100 of the home appliance display screen 1100 shown in fig. 27 is formed on the injection-molded part 503 by the in-mold decoration technique, and the related description is referred to above. Touch film 905 is located between injection molded part 503 and support 401. In one embodiment, the touch film 905 may be adhered to the side of the support 401 facing the injection molded part 503. In another embodiment, the touch film 905 may be adhered to the side of the injection molded part 503 opposite to the display film 100.

In another embodiment, the display film is a display film wherein the substrate is a PVC substrate or a glass substrate, as described above. The touch film 905 is located between the display film and the support 401.

Fig. 28 shows a perspective view of an embodiment of the household appliance 10. In one embodiment, the household appliance 10 comprises a food processor. In some embodiments, the food processor may include at least one of a blender, an electric rice cooker, a pressure cooker, a water kettle, a coffee maker, a grill, and a microwave oven. The blender can include at least one of broken wall cooking machine, soybean milk machine, juice extractor and complementary food machine. The pressure cooker may include at least one of a pressure cooker and an induction cooker. In other embodiments, the processor may also include other food preparation devices. In other embodiments, the household appliance 10 may include a refrigerator, a washing machine, an air conditioner, a range hood, and the like.

The household appliance 10 comprises a household appliance display screen 13. The home appliance display 13 may be the home appliance display of the above-described embodiment. The household appliance 10 may interact with a user via the household appliance display 13.

In the illustrated embodiment, the household appliance 10 is a food processor, and includes a main body 11 and a food processor 12. The host 11 can control the operation of the food processor and can provide the electric energy required by the operation of the food processor. The food can be contained in the food processor 12, and the food can be processed in the food processor 12. The cooking appliance 12 may include a cup assembly and/or a cooking pot. In some embodiments, the main frame 11 is in the form of a stand, and the cooking utensil 12 can be placed on the main frame 11. The home appliance display 13 may be provided to the host 11. In some embodiments, the food processor 10 includes a lid assembly 14 that can be placed over the food processor 12.

In other embodiments, the host 11 may be located within the lid assembly 14. In other embodiments, the home appliance display screen 13 may be provided to the cover assembly 14.

FIG. 29 is a flow chart of one embodiment of a method 20 of the present application. The manufacturing method 20 is used for manufacturing a display film of a display screen of a home appliance, such as the display films 100, 200, 300, 1200 described above or the display films of other embodiments. The manufacturing method 20 comprises steps 21 and 22.

In step 21, at least one color icon comprising a plurality of different colors is formed on a first side of a fully transparent or translucent substrate. In step 22, a background layer is formed on the first side of the substrate outside the area of the color icon. In some embodiments, after the colored icons are formed, a background layer is formed. The colored icons may be formed first and then the background layer may be formed outside the areas of the colored icons. Therefore, a complete color icon can be formed without being influenced by the background layer, and the problem that one surface of the color icon facing the substrate is partially shielded due to tolerance when the background layer is formed under the condition that the background layer is formed firstly is avoided. For visible color icons, the complete pattern can be seen from the first side of the substrate, and the appearance is beautiful. In other embodiments, the background layer may be formed first to make the desired area of the color icon, and then the color icon may be formed.

In some embodiments, a plurality of colored icons are formed in a spaced apart arrangement.

In some embodiments, at least one colored icon is formed with a thickness that does not exceed the thickness of the background layer. In some embodiments, at least one colored icon is formed with a thickness less than the thickness of the background layer.

In some embodiments, a light diffusing layer is formed on the side of the color icon facing away from the substrate. In some embodiments, the light diffusing layer is formed such that the side facing away from the color icon is flush with the side of the background layer facing away from the substrate. In some embodiments, the background layer may be formed first, and then the light diffusing layer may be formed over the color icon. In other embodiments, the light scattering layer may be formed first, and the background layer may be formed.

In some embodiments, the colored icons include visible colored icons; on the first side of the substrate, a visible color icon is formed. The visible color icon appears on a second side of the substrate opposite the first side in the absence of backlight light. In some embodiments, the substrate is fully transparent, and a visible color icon is formed on the first side of the substrate and attached to the first side. In some embodiments, on the first side of the substrate, a background layer is formed that is attached to the first side. The thickness of the visible color icon does not exceed the thickness of the background layer.

In some embodiments, the colored icons include hidden colored icons. On the first surface of the substrate, a hidden color icon is formed. The hidden color icon is hidden on a second surface of the substrate opposite to the first surface under the non-backlight light irradiation, and is displayed on the second surface under the backlight light irradiation.

In some embodiments, a translucent basecoat layer is formed on a first side of a substrate; and forming a hidden color icon on the surface of the bottom color layer, which faces away from the substrate. In some embodiments, a background layer is formed on the side of the basecoat layer facing away from the substrate. In other embodiments, a background layer is formed on a first side of a substrate; the background layer is formed on the surface of the background layer opposite to the base material.

In some embodiments, the colored icons include visible colored icons. Forming a visible color icon on the first side of the substrate; the visible color icon appears on a second side of the substrate opposite the first side in the absence of backlight light. In some embodiments, a base color layer is formed outside the area of the visible color icon; or forming a bottom color layer outside the area of the visible color icon and on the side of the visible color icon opposite to the substrate.

In other embodiments, the substrate is translucent and the hidden color icon is formed on the translucent substrate.

In some embodiments, a background layer is screen printed on the substrate; and/or, four-color printing on the substrate to form a color icon. In some embodiments, the background layer may be screen printed after the color icons are printed in four colors on the substrate.

In some embodiments, the colored icon includes a plurality of regions, the colored icon forming at least two regions that are different colors and are translucent. In some embodiments, colored icons are formed in which the plurality of regions are all translucent.

In some embodiments, the method of making comprises: an opaque additional icon is formed on the surface of the substrate.

The order of the steps of the method 20 is not limited to that described above and may be performed in a different order. The acts of method 20 are illustrated in block form, and the order of blocks and the division of acts among blocks shown in FIG. 29 are not limited to the illustrated embodiments. For example, the modules may be performed in a different order; actions in one module may be combined with actions in another module or split into multiple modules. In some embodiments, there may be additional steps before, after, or in between the steps of the method 20 of fabrication.

For the method embodiments, since they substantially correspond to the apparatus embodiments, reference may be made to the apparatus embodiments for relevant portions of the description. The method embodiment and the device embodiment are complementary.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

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Display film, display screen of household appliance, household appliance and manufacturing method

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