阅读说明：本技术 用于电子墨水屏的盖板及其制造方法 (Cover plate for electronic ink screen and manufacturing method thereof ) 是由 严智清 刑芳芳 于 2020-05-22 设计创作，主要内容包括：本申请涉及一种用于电子墨水屏的盖板及其制造方法,盖板制造方法包括以下步骤：形成多层遮光层于转载基板上；切割转载基板和多层遮光层的一侧,使每层遮光层的一侧的侧边对齐；转印多层遮光层于基板,基板具有非可视区和可视区,多层遮光层位于非可视区,受切割的多层遮光层的一侧较未切割的多层遮光层的一侧靠近可视区；形成透光光学层于多层遮光层与基板上,透光光学层包覆多层遮光层。本申请可以消除现有油墨印制流程中多道油墨靠近可视区的一侧位置偏移的问题,使得可视区印刷边缘的油墨色彩表现一致。另外,本申请还可精简网版设计,大量简化印刷步骤,减少生产成本。(The application relates to a cover plate for an electronic ink screen and a manufacturing method thereof, wherein the manufacturing method of the cover plate comprises the following steps: forming a plurality of light shielding layers on the transfer substrate; cutting the transfer substrate and one side of the plurality of light shielding layers to align the side of one side of each light shielding layer; transferring a plurality of light shielding layers to a substrate, wherein the substrate is provided with a non-visible area and a visible area, the plurality of light shielding layers are positioned in the non-visible area, and one side of the cut plurality of light shielding layers is closer to the visible area than one side of the uncut plurality of light shielding layers; and forming a light-transmitting optical layer on the multi-layer light-shielding layer and the substrate, wherein the light-transmitting optical layer covers the multi-layer light-shielding layer. The problem that the position of one side of a plurality of printing inks close to the visible area deviates in the existing printing ink printing process can be solved, and the printing ink color of the printing edge of the visible area is consistent in expression. In addition, the screen printing plate design can be simplified, the printing steps can be greatly simplified, and the production cost can be reduced.)

1. A manufacturing method of a cover plate for an electronic ink screen is characterized by comprising the following steps:

forming a plurality of light shielding layers on the transfer substrate;

cutting the transshipment substrate and one side of the plurality of light shielding layers to align the side of one side of each light shielding layer;

transferring a plurality of light shielding layers to a substrate, wherein the substrate is provided with a non-visible area and a visible area, the plurality of light shielding layers are positioned in the non-visible area, and one side of the cut plurality of light shielding layers is closer to the visible area than one side of the uncut plurality of light shielding layers;

and forming a light-transmitting optical layer on the plurality of light-shielding layers and the substrate, wherein the light-transmitting optical layer covers the plurality of light-shielding layers.

2. The method as claimed in claim 1, wherein after the step of forming the light-transmissive optical layer on the light-shielding layers and the substrate, the light-transmissive optical layer and the substrate are further cut on a side thereof away from the viewing area.

3. The method as claimed in claim 2, wherein the step of cutting the light-transmissive optical layer and the side of the substrate away from the viewing area further comprises cutting a side of the light-shielding layers away from the viewing area.

4. The method as claimed in claim 1, wherein a protective layer is further disposed on the light-transmissive optical layer after the step of forming the light-transmissive optical layer on the plurality of light-shielding layers and the substrate.

5. The method as claimed in claim 4, further comprising cutting the protective layer, the transparent optical layer and the substrate on a side away from the viewing area after the step of disposing the protective layer on the transparent optical layer.

6. The cover plate manufacturing method according to claim 1, wherein the step of transferring the plurality of light shielding layers to the substrate includes transferring the plurality of light shielding layers from the transfer substrate to the substrate by heating.

7. The cover plate manufacturing method according to claim 1, wherein the step of transferring the plurality of light shielding layers to the substrate includes the step of transferring the plurality of light shielding layers to the substrate by peeling the plurality of light shielding layers from the transfer substrate by laser irradiation.

8. A cover plate for an electronic ink screen, comprising:

a substrate having a non-visible region and a visible region;

the multilayer shading layer is arranged on the substrate and is positioned in the non-visible area, and the sides, close to the visible area, of the multilayer shading layer are aligned;

and the light-transmitting optical layer is arranged on the plurality of layers of the light-shielding layer and the substrate and covers the plurality of layers of the light-shielding layer.

9. The cover sheet of claim 8 further comprising a protective layer disposed on the light-transmissive optical layer.

10. The cover sheet of claim 9 wherein the substrate, the light-transmissive optical layer, and the protective layer are aligned away from the sides of the viewing area.

Technical Field

The present disclosure relates to a cover plate, and more particularly, to a cover plate for an electronic ink screen and a method for manufacturing the same.

Background

At present, in order to prevent the backlight or the front light leakage of the non-visible area from affecting the user, the flat electronic ink display panel module with the front light usually prints a plurality of printing inks in the non-visible area. The existing ink printing process is generally as follows: printing a plurality of printing ink channels on a base material, adhering optical transparent glue on the base material and the plurality of printing ink channels, adhering another base material on the optical transparent glue, cutting the whole structure, and cutting the appearance of the cover plate.

In the process of implementing the present application, applicants have found that in the ink printing process, a side edge of a plurality of inks close to a visible area usually undergoes a position deviation, which causes a difference in the overall appearance and color of a finally cut cover plate.

Disclosure of Invention

The embodiment of the application provides a cover plate for an electronic ink screen and a manufacturing method thereof, and solves the problem that in the existing ink printing process, position deviation is generated at the edge of one side, close to a visible area, of a plurality of printing inks.

In order to solve the above technical problem, the present application is implemented as follows:

in a first aspect, a method for manufacturing a cover plate for an electronic ink screen is provided, which includes the following steps: forming a plurality of light shielding layers on the transfer substrate; cutting the transfer substrate and one side of the plurality of light shielding layers to align the side of one side of each light shielding layer; transferring a plurality of light shielding layers to a substrate, wherein the substrate is provided with a non-visible area and a visible area, the plurality of light shielding layers are positioned in the non-visible area, and one side of the cut plurality of light shielding layers is closer to the visible area than one side of the uncut plurality of light shielding layers; and forming a light-transmitting optical layer on the multi-layer light-shielding layer and the substrate, wherein the light-transmitting optical layer covers the multi-layer light-shielding layer.

In a second aspect, there is provided a cover plate for an electronic ink screen, comprising: a substrate having a non-visible region and a visible region; the multilayer shading layer is arranged on the substrate and is positioned in the non-visible area, and the side edges, close to the visible area, of the multilayer shading layer are aligned; and the light-transmitting optical layer is arranged on the multilayer shading layer and the substrate and covers the multilayer shading layer.

In the embodiment of the application, the multi-layer shading layer is formed on the transfer substrate firstly, then one side of the transfer substrate and one side of the multi-layer shading layer are cut, so that the side edge of one side of each layer of shading layer is aligned, and when the multi-layer shading layer is transferred, one side of the cut multi-layer shading layer is close to the visible area of the substrate compared with one side of the uncut multi-layer shading layer, so that the problem of position deviation of one side of a plurality of printing inks close to the visible area in the existing printing ink printing process is solved, and the printing ink color expression of the printing edge of the visible area is consistent. In addition, the screen printing plate design can be simplified, the printing steps can be greatly simplified, and the production cost can be reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic flow chart illustrating steps of a method for manufacturing a cover plate according to an embodiment of the present disclosure;

FIG. 2 is a schematic diagram illustrating a multi-layer light-shielding layer formed on a transfer substrate according to an embodiment of the present disclosure;

fig. 3 is a schematic diagram of an inner side of a cut transfer substrate and a multi-layer light-shielding layer according to an embodiment of the present application.

Fig. 4 is a schematic diagram illustrating a multi-layered light-shielding layer transferred onto a substrate according to an embodiment of the present application.

Fig. 5 is a schematic diagram of an embodiment of an optically transmissive adhesive printed on a substrate.

FIG. 6 is a schematic diagram of a transparent optical layer and a substrate being cut away from a visible region according to an embodiment of the present application.

Fig. 7 is a schematic top view of a cover plate according to an embodiment of the present application.

Fig. 8 is a schematic sectional view taken along line a-a in fig. 7.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Please refer to fig. 1, which is a schematic flow chart illustrating a method for manufacturing a cover plate according to an embodiment of the present application. As shown in the drawings, the cover plate manufacturing method 1 of the present embodiment is mainly used in the process of manufacturing an electronic ink screen, and the cover plate manufacturing method 1 includes steps 101 to 104. Referring to fig. 2 to 4, in the method 1 for manufacturing a cover plate of the present embodiment, in step 101, a plurality of light shielding layers 11 are formed on a transfer substrate 12, in step 102, one side of each of the light shielding layers 11 and the transfer substrate 12 is cut to align the side of one side of each of the light shielding layers 11, in step 103, the plurality of light shielding layers 11 are transferred to the substrate 13, the substrate 13 has a non-visible region 131 and a visible region 132, the plurality of light shielding layers 11 are located in the non-visible region 131, one side of the cut plurality of light shielding layers 11 is closer to the visible region 132 than one side of the uncut plurality of light shielding layers 11, and in step 104, a transparent optical layer 14 is formed on the plurality of light shielding layers 11 and the substrate 13, and the transparent optical layer 14 covers the plurality of light shielding layers 11. The side edge of the side of each light shielding layer 11 close to the visible area 132 of the cover plate prepared in this way is cut and aligned in step 102, so that the problem of position deviation of the side of a plurality of inks close to the visible area in the existing ink printing process is solved, and the ink color representation of the printing edge of the visible area is consistent.

The following will be described in detail. Please refer to fig. 2, which is a schematic diagram illustrating a multi-layer light-shielding layer formed on a transfer substrate 12 according to an embodiment of the present disclosure. As shown in the figure, in step 101, the material of the light shielding layer 11 is ink, and the ink is sequentially printed on the transshipment substrate 12 in a stacking manner by a screen printing method to form a plurality of layers of light shielding layers 11, each printed ink layer is of a closed structure, the width of each ink layer can be the same or different, and the application has no requirement for the width, so that the application firstly forms the light shielding layer 11 on the transshipment substrate 12 in the step, and thus the requirement for screen design is lower, the printing step can be simplified, and the production cost is reduced.

Fig. 3 is a schematic view of the inner sides of the cut transfer substrate and the multi-layer light-shielding layer according to an embodiment of the present application. As shown in the figure, in step 102, the inner sides of the transfer substrate 12 and the multi-layer light-shielding layer 11 are cut along the cutting line S1 to align the inner sides of each light-shielding layer 11, and the inner side of the multi-layer light-shielding layer 11 forms the visible area 111, where the visible area 111 is the same as the visible area 132 on the substrate 13.

In step 103, the multi-layer light-shielding layer 11 on the transfer substrate 12 may be thermally transferred to the substrate 13 by using a thermal transfer machine, or the multi-layer light-shielding layer 11 on the transfer substrate 12 may be peeled off and transferred to the substrate 13 by using a laser irradiation method. Fig. 4 is a schematic diagram illustrating a multi-layer light-shielding layer of an embodiment of the present application being transferred onto a substrate. As shown in the figure, one side of the cut multi-layered light-shielding layer 11 is closer to the visible region 132 than one side of the uncut multi-layered light-shielding layer 11, and the visible region 111 cut inside the multi-layered light-shielding layer 11 generally coincides with the visible region 132 on the substrate 13. It should be noted that the substrate 13 is a non-visible region 131 formed by the multi-layer light-shielding layer 11, and a non-shielded region of the multi-layer light-shielding layer 11 on the substrate 13 is a visible region 132, wherein the non-shielded region is also the visible region 111 of the multi-layer light-shielding layer 11.

Fig. 5 is a schematic view illustrating an optical transparent adhesive printed on a substrate according to an embodiment of the present application. In step 104, the transparent optical layer 14 is made of an optically transparent adhesive, and the optically transparent adhesive is printed on the substrate 13 and covers the multi-layer light-shielding layer 11 to protect the multi-layer light-shielding layer 11 from falling off.

In an embodiment, after the step of forming the transparent optical layer 14 on the multi-layered light-shielding layer 11 and the substrate 13, the transparent optical layer 14 and the substrate 13 are further cut away from the visible region 132. Specifically, the transparent optical layer 14 and the substrate 13 can be cut away from the viewing area 132 by a cutting die, a numerical control lathe or a laser cutting method to finish the shape of the cover plate. In another embodiment, the step of cutting the side of the light-transmitting optical layer 14 and the substrate 13 away from the visible region 132 further includes cutting the side of the multi-layer light-shielding layer 11 away from the visible region 132, such that the side of each light-shielding layer 11 away from the visible region 132 is aligned.

In one embodiment, after the step of forming the transparent optical layer 14 on the multi-layered light-shielding layer 11 and the substrate 13, the protective layer 15 is further disposed on the transparent optical layer 14. Specifically, the protective layer 15 may be polycarbonate or polymethyl methacrylate, and is attached to the light-transmitting optical layer 14, and is bonded to the light-transmitting optical layer 14 by thermal attachment to protect the light-transmitting optical layer 14. In another embodiment, after the step of disposing the protective layer 15 on the light-transmissive optical layer 14, the step of cutting the protective layer 15, the light-transmissive optical layer 14 and the substrate 13 away from the visible region 132 is further included. Fig. 6 is a schematic view illustrating a side of the transparent optical layer and the substrate away from the visible region being cut according to an embodiment of the disclosure. As shown in the drawing, along the cutting line S2, the protective layer 15, the light-transmitting optical layer 14 and the substrate 13 can be cut by a knife die, a numerical control lathe or a laser cutting method to trim the shape of the cover plate. In another embodiment, the step of cutting the side of the protective layer 15, the light-transmitting optical layer 14 and the substrate 13 away from the visible region 132 further includes cutting the side of the multi-layered light-shielding layers 11 away from the visible region 132, such that the side edge of the side of each light-shielding layer 11 away from the visible region 132 is aligned.

Referring to fig. 7 and 8, fig. 7 is a schematic top view of a cover plate according to an embodiment of the present application, and fig. 8 is a schematic sectional view taken along the direction a-a in fig. 7. As shown in the figure, the cover plate 2 of the present embodiment is mainly used in the process of manufacturing an electronic ink screen, the cover plate 2 includes a substrate 13, a multi-layer light-shielding layer 11 and a light-transmitting optical layer 14, in the cover plate 2 of the present embodiment, the substrate 13 has a non-visible region 131 and a visible region 132, the multi-layer light-shielding layer 11 is disposed on the substrate 13 and located in the non-visible region 131, and each layer of light-shielding layer 11 is preferably ink, but not limited thereto. The multi-layer shading layer 11 is aligned near the side of the visible region 132, and the light-transmitting optical layer 14 is disposed on the multi-layer shading layer 11 and the substrate 13 and covers the multi-layer shading layer 11. In the cover plate 2 of this embodiment, the side edges of the light shielding layers 11 of each layer close to the visible area 132 are aligned, so as to solve the problem of position deviation of the side close to the visible area of the multiple ink layers in the existing cover plate.

In one embodiment, the cover plate 2 further includes a protective layer 15, and the protective layer 15 is disposed on the light-transmissive optical layer 14. The transparent optical layer 14 is an optically transparent adhesive, and the protective layer 15 is made of polycarbonate or polymethyl methacrylate. Specifically, the protective layer 15 is attached to the light-transmitting optical layer 14, and is bonded to the light-transmitting optical layer 14 by thermal attachment so as to protect the light-transmitting optical layer 14. In another embodiment, the side of the multi-layered light-shielding layer 11 away from the visible region 132 is aligned with the side of the substrate 13, the light-transmissive optical layer 14 and the protection layer 15 away from the visible region 132.

In summary, the present application provides a cover plate for an electronic ink screen and a method of manufacturing the same. The application discloses a apron manufacturing approach for electronic ink screen, through forming multilayer shading layer on the reprinting base plate earlier, one side of cutting reprinting base plate and multilayer shading layer again, make the side of one side of every layer of shading layer align, and when rendition multilayer shading layer, let one side of the multilayer shading layer that receives the cutting be close to the visual area of base plate than the one side of the multilayer shading layer of uncut, thereby eliminate the problem that the one side offset that multichannel printing ink is close to the visual area in the current printing ink printing flow, make the printing ink color at visual area printing edge show unanimously. In addition, the screen printing plate design can be simplified, the printing steps can be greatly simplified, and the production cost can be reduced.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.