阅读说明：本技术 非导电性金属色彩半透明膜及其制备方法 (Non-conductive metal color semitransparent film and preparation method thereof ) 是由 白雨成 李相文 蔡长祐 郑建守 边娜恩 于 2018-06-14 设计创作，主要内容包括：本发明关于一种非导电性金属色彩半透明膜及其制备方法,包括：准备具有透光性的玻璃基板的基板准备阶段；在上述阶段准备的所述玻璃基板一侧的至少一部分形成色彩层的色彩层形成阶段；以及在上述阶段形成的所述色彩层的一侧的至少一部分形成半透明层的半透明层形成阶段,其所提供的薄膜,所述半透明层的从所述玻璃基板的另一侧入射一侧的光的透射率为5％到20％,具有高表面电阻值而使触摸传感器准确切换,呈现金属色彩且具有半透明性,从而大大提高了家电产品的多功能操作性和外观设计。(The invention relates to a non-conductive metal color semi-transparent film and a preparation method thereof, wherein the preparation method comprises the following steps: a substrate preparation step of preparing a glass substrate having translucency; a color layer forming step of forming a color layer on at least a part of one side of the glass substrate prepared in the above step; and a semi-transparent layer forming stage for forming a semi-transparent layer at least on one side of the color layer formed in the above stage, wherein the transmittance of light incident from the other side of the glass substrate to one side of the semi-transparent layer is 5% to 20%, the semi-transparent layer has a high surface resistance value, so that the touch sensor can be accurately switched, and the semi-transparent layer is in a metal color and has semi-transparency, thereby greatly improving the multifunctional operability and appearance design of the household appliance.)

1. A preparation method of a non-conductive metal color semi-transparent film comprises the following steps:

a substrate preparation step for preparing a glass substrate; a color layer forming step of forming a color layer (color layer) on at least a part of one side of the glass substrate prepared in the substrate preparation step; and a semi-transparent layer forming stage of forming a semi-transparent layer (semi-transparent layer) at least a part of one side of the color layer formed at the color layer forming stage; the translucent layer formed in the translucent layer forming stage has a transmittance of 5% to 20% of light incident from the other side of the glass substrate.

2. According to claim 1, a characteristic of a method for producing a non-conductive metallic color translucent film is that the absorbance of the translucent layer formed at the stage of forming the translucent layer is 60% to 80%.

3. According to claim 2, a characteristic of a method for producing a non-conductive metallic color translucent film is that the transmittance or absorbance of light of the translucent layer is selectively determined by adjusting the thickness sputtered in the stage of forming the translucent layer.

4. According to claim 3, a characteristic feature of a method for producing a non-conductive metallic color translucent film is that the translucent layer formed at the stage of forming the translucent layer may also be formed of a compound of copper and oxygen.

5. According to claim 4, a characteristic of a method for producing a non-conductive metallic color translucent film is that the surface resistance value of the translucent layer formed by the translucent layer forming stage may also be 8 to 50 mega ohm/square (mega ohmper square).

6. According to claim 4, a method for producing a non-conductive metallic color translucent film is characterized in that a copper and oxygen compounding ratio of at least a part of the copper and oxygen compounds of the translucent layer is 4:2.9 to 4: 3.1.

7. According to claim 6, a method for producing a non-conductive metallic color translucent film is characterized in that a copper-oxygen compound having a copper-oxygen mixing ratio of 4:2.9 to 4:3.1 is contained in the translucent layer in a proportion of 80% to 100%.

8. According to claim 2, a characteristic of a method for producing a non-conductive metallic color translucent film is that the color layer is formed so that the interval of the refractive index of the color layer with respect to the light incident from the glass substrate side at the color layer forming stage is 2.0 to 2.5.

9. According to claim 8, a characteristic of a method for producing a non-conductive metallic color translucent film is that in the color layer forming stage, the refractive index of the color layer is selectively determined by adjusting the thickness of the color layer formed by sputtering.

10. According to claim 9, a method for producing a non-conductive metallic color translucent film is characterized in that said color layer formed at said color layer forming stage may also be formed of a compound of Zr and N.

11. According to claim 10, a characteristic of a non-conductive metallic color translucent film production method is that the color of the color layer formed by the color layer forming stage can be determined by the thickness of the color layer formed by depositing Zr and N on one side of the glass substrate.

12. According to claim 10, a characteristic of a method for producing a nonconductive metallic color translucent film is that a compounding ratio of at least a part of Zr and N in the Zr and N compounds of the color layer is 1:0.9 to 1: 1.

13. According to claim 12, a method for producing a non-conductive metallic color translucent film is characterized in that the Zr and N compound having a compounding ratio of Zr and N of 1:0.9 to 1:1 is contained in the color layer in a proportion of 80% to 100%.

14. According to claim 1, a characteristic of a method for producing a non-conductive metallic color translucent film is that it comprises a resin layer forming stage of forming at least a part of one side of the translucent layer formed at the translucent layer forming stage to have a light transmittance.

15. A non-conductive metallic colored translucent film comprising: a glass substrate; a color layer with a preset thickness is formed on at least one part of one side of the glass substrate; and a semi-transparent layer (semi-transparent layer) of a predetermined thickness formed at least a portion of one side of the color layer, having a characteristic that the semi-transparent layer has an absorbance of 60% to 80%.

16. A non-conductive metallic color translucent film according to claim 15, characterized in that said translucent layer is formed of a compound of copper and oxygen.

17. According to claim 16, a non-conductive metallic color translucent film is characterized in that the surface resistance value of the translucent layer is 8 to 50 mega ohm per square meter (mega ohm per square).

18. A non-conductive metallic color translucent film according to claim 16 is characterized by a copper to oxygen ratio of at least a portion of the copper to oxygen compounds of the translucent layer of 4:2.9 to 4: 3.1.

19. According to claim 18, a non-conductive metallic color translucent film is characterized in that the copper-oxygen compound having a mixing ratio of copper and oxygen of 4:2.9 to 4:3.1 accounts for 80% to 100% in the translucent layer.

20. According to claim 15, a characteristic of a nonconductive metallic color translucent film is that the refractive index of the color layer to light incident from the glass substrate side is 2.0 to 2.5.

21. According to claim 20, a characteristic of a non-conductive metallic color translucent film is that the color layer is formed of a compound of Zr and N.

22. According to claim 21, a non-conductive metallic color translucent film is characterized in that at least a part of the Zr and N compounds of said color layer has a Zr and N compounding ratio of 1:0.9 to 1: 1.

23. According to claim 22, a non-conductive metallic color translucent film is characterized in that said Zr and N compound having a compounding ratio of Zr and N of 1:0.9 to 1:1 is contained in said color layer in a proportion of 80% to 100%.

24. A non-conductive metallic color translucent film according to claim 15 is characterized by further comprising forming at least a part of one side of the translucent layer with a resin layer having light transmittance.

Technical Field

The invention relates to a non-conductive metal color semi-transparent film and a preparation method thereof, in particular to a non-conductive metal color semi-transparent film suitable for household appliances such as refrigerators and the like and a preparation method thereof.

Background

Home appliances such as refrigerators, which are widely used in real life, have not only their basic functions but also progress in product design and development of support technologies.

Recently, a door of a refrigerator is installed at a front surface of the refrigerator, the door being rotatable, and in a case where a refrigerating chamber is sealed, the door of the refrigerator is mainly exposed to a user. Therefore, in order to make the refrigerator more attractive to users, the design and material of the front surface of the door becomes more and more important, and consumers have an increasing preference for refrigerator doors having a touch of steel.

In order to meet such a preference of consumers, studies on how to form a door of a refrigerator from a steel material are being conducted, and a technology for operating the refrigerator by touching the door even without opening the door is also being required, and thus, studies on the technology are being conducted.

By which a refrigerator can be manipulated by its semi-transparent (semi-transparent) property and touch, the interior of the refrigerator can be confirmed when necessary, and the outer case of the refrigerator has a metallic color.

Therefore, in order for the touch sensor to operate, a non-conductive metallic colored translucent film technology having non-conductivity, metallic color, and translucency (semi-transparency) is required.

Disclosure of Invention

An object of the present invention is to solve the above-mentioned conventional problems and to provide a semi-transparent film having a metal color with translucency (semi-transparency) and a method for preparing the same, which has non-conductivity to operate a touch sensor and can embody a metal color.

In order to achieve the above object, an embodiment of the present invention relates to a non-conductive metallic color translucent film including: a substrate preparation step for preparing a glass substrate; a color layer forming step of forming a color layer (color layer) on at least a part of one side of the glass substrate prepared in the substrate preparation step; and a semi-transparent layer forming stage of forming a semi-transparent layer (semi-transparent layer) at least a part of one side of the color layer formed at the color layer forming stage. One feature thereof may be that the translucent layer is formed at the stage of forming the translucent layer, and the transmittance of light incident from the other side of the glass substrate to one side is 5% to 20%.

Wherein another feature may be that the semi-transparent layer formed at the semi-transparent layer forming stage has an absorbance of 60% to 80%.

In addition, another feature may be that the transmittance or absorbance of light by the translucent layer is selectively determined by adjusting the thickness sputtered in the translucent layer forming stage.

And, another feature may be that the translucent layer formed at the translucent layer forming stage may also be formed of a compound of copper and oxygen.

Wherein another characteristic may be that a surface resistance value of the semi-transparent layer formed by the semi-transparent layer forming stage may also be 8 to 50 mega ohm per square (mega ohm per square).

Wherein another feature may be that the copper to oxygen mix ratio of at least a portion of the copper to oxygen compounds of the translucent layer is 4:2.9 to 4: 3.1.

Wherein another characteristic may be that the proportion of the copper-oxygen compound having a copper-oxygen mixing ratio of 4:2.9 to 4:3.1 in the translucent layer is 80% to 100%.

In addition, another characteristic is that the interval of values of the refractive index of the color layer with respect to the light incident from the glass substrate side in the color layer forming step is 2.0 to 2.5 when the color layer is formed.

And, it is also characterized in that the refractive index of the color layer is selectively determined by adjusting the thickness of the color layer formed by sputtering in the color layer forming stage.

Further, another feature may be that the color layer formed at the color layer forming stage may also be formed of a compound of Zr and N.

Further, the color of the color layer formed by the color layer forming stage may also be determined by the thickness of the color layer formed by depositing Zr and N on one side of the glass substrate, which is also a feature.

Wherein another characteristic may be that a compounding ratio of at least a part of Zr and N in the Zr and N compound of the color layer is 1:0.9 to 1: 1.

Wherein the other characteristic is that the proportion of the Zr and N compound with the Zr and N mixing ratio of 1:0.9-1:1 in the color layer is 80% to 100%.

Further, it is also a feature that a resin layer forming stage of forming at least a part of one side of the translucent layer formed at the translucent layer forming stage to have a light transmittance may be further included.

In order to achieve the above object, an embodiment of the present invention relates to a non-conductive metallic color translucent film including: a glass substrate; a color layer with a preset thickness is formed on at least one part of one side of the glass substrate; and a semi-transparent layer (semi-transparent layer) of a predetermined thickness formed at least a portion of one side of the color layer, having a characteristic in that the semi-transparent layer has an absorbance of 60 to 80%.

Wherein another feature may be that the semi-transparent layer may be formed of a compound of copper and oxygen.

Wherein another characteristic may be that a surface resistance value of the translucent layer is 8 to 50 mega ohm per square meter (megaohm per square).

Wherein another feature may be that the copper to oxygen mix ratio of at least a portion of the copper to oxygen compounds of the translucent layer is 4:2.9 to 4: 3.1.

And, another feature may be that the copper-oxygen compound having a copper-oxygen mixing ratio of 4:2.9 to 4:3.1 accounts for 80% to 100% in the translucent layer.

In addition, another characteristic is that the interval of values of the refractive index of the color layer with respect to light incident from the glass substrate side is 2.0 to 2.5.

Further, another feature may be that the color layer is formed of a compound of Zr and N.

Further, another feature may be that the compounding ratio of Zr and N of at least a part of the compounds of Zr and N of the color layer is 1:0.9 to 1: 1.

Wherein the other characteristic is that the proportion of the Zr and N compound with the Zr and N mixing ratio of 1:0.9-1:1 in the color layer is 80% to 100%.

Further, it is also a feature that it may further include forming at least a part of one side of the translucent layer with a resin layer having light transmittance.

The positive progress effects of the invention are as follows:

the non-conductive metal color semi-transparent film and the preparation method thereof have the advantages that the touch sensor can be accurately switched due to the high surface resistance value, the required metal color can be provided, and the semi-transparent film can be provided, so that the multifunctional operability and the appearance design of household appliances such as refrigerators can be improved.