CN210626697U - Integrated black coated cover plate - Google Patents
Integrated black coated cover plate Download PDFInfo
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- CN210626697U CN210626697U CN201921476797.7U CN201921476797U CN210626697U CN 210626697 U CN210626697 U CN 210626697U CN 201921476797 U CN201921476797 U CN 201921476797U CN 210626697 U CN210626697 U CN 210626697U
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Abstract
The utility model discloses an integrative black coating film apron, be in including transparent substrate (1) and setting the antireflection absorbing layer of transparent substrate (1) surface, the antireflection absorbing layer includes at least one deck low refractive index rete, at least one deck high refractive index rete and at least one deck metal Ti absorbing film layer, metal Ti absorbing film layer sets up the bottom or the intermediate level of antireflection absorbing layer, the top layer of antireflection absorbing layer is low refractive index rete, the second layer that the antireflection absorbing layer is located the top layer below is high refractive index rete. The utility model provides an integrative black coating film apron can realize putting out integrative black effect of screen.
Description
Technical Field
The utility model relates to a display screen technical field, in particular to integrative black coating film apron.
Background
With the increasingly wide application of display screens in wearable electronic products and vehicle-mounted displays, consumers have not only requirements on display performance (resolution, color saturation and the like) of the display screens, but also increasingly high requirements on the appearances of the display screens. Because the display area of ordinary display screen apron adopts the design of full light-transmitting, adopts the silk screen printing to cover printing ink mode design outside the display area, and when in actual use, the display area presents grey black under the screen mode, and the display area is different because of silk screen printing ink and is present different colours outside the display area, and more common is mostly black or white, adopts the display module assembly of black silk screen printing ink, and the display area distinguishes with the frame colour after the screen is put to the secret, and outward appearance aesthetic effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an integrative black coating film apron can reduce apron surface reflectivity to set up the absorbed layer, realize putting out integrative black effect of screen.
Based on the above problem, the utility model provides a technical scheme is:
the integral black coated cover plate comprises a transparent substrate and an anti-reflection absorption layer arranged on the outer surface of the transparent substrate, wherein the anti-reflection absorption layer comprises at least one low-refractive-index film layer, at least one high-refractive-index film layer and at least one metal Ti absorption film layer, the metal Ti absorption film layer is arranged on the bottom layer or the middle layer of the anti-reflection absorption layer, the surface layer of the anti-reflection absorption layer is the low-refractive-index film layer, and the second layer of the anti-reflection absorption layer below the surface layer is the high-refractive-index film layer.
In one embodiment, the refractive index of the high refractive index film layer is 2.0-4.5, and the refractive index of the low refractive index film layer is 1.3-1.75.
In one embodiment, the high refractive index film layer is Nb2O5Film layer, TiO2Film or Si3N4And (5) film layer.
In one embodiment, the low refractive index film layer is SiO2And (5) film layer.
In one embodiment, the transparent substrate is transparent glass, a PMMA sheet, a PC sheet, a PMMA/PC composite sheet, or a PMMA/PC/PMMA composite sheet.
In one embodiment, the antireflection absorption layer comprises a first low-refractive-index film layer, a first high-refractive-index film layer and a first metal Ti absorption film layer which are arranged from outside to inside.
In one embodiment, a second low refractive index film layer is further disposed between the first metal Ti absorption film layer and the transparent substrate.
In one embodiment, a second high refractive index film layer is further disposed between the first metal Ti absorption film layer and the second low refractive index film layer.
In one embodiment, a second metal Ti absorption film layer is further disposed between the second high refractive index film layer and the second low refractive index film layer.
Compared with the prior art, the utility model has the advantages that:
adopt the technical scheme of the utility model, set up metal Ti and absorb the rete, with high refracting index rete, low refracting index rete cooperation, reduce the screen reverberation, place and dazzle light, the display screen is putting out under the screen state, and the display area reflectivity reaches the integrative black effect of putting out the screen with the degree of proximity of frame reflectivity, sight area L (luminance) value and non-sight region luminance value.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment 1 of an integrated black coated cover plate of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of embodiment 3 of the present invention;
FIG. 4 is a schematic structural diagram of embodiment 4 of the present invention
Wherein:
1. a transparent substrate;
2. a first low refractive index film layer;
3. a first high refractive index film layer;
4. a first metal Ti absorber film layer;
5. a second low refractive index film layer;
6. a second high refractive index film layer;
7. a second metal Ti absorber film layer.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.
Referring to fig. 1, for the utility model discloses embodiment 1's structural schematic diagram provides integrative black coating film apron, including transparent substrate 1, and set up the antireflection absorbing layer at the 1 surface of transparent substrate, should subtract the antireflection absorbing layer and include at least one deck low refractive index rete, at least one deck high refractive index rete, and at least one deck metal Ti absorbs the rete, and wherein, metal Ti absorbs the rete setting and is subtracting the bottom or the intermediate level of antireflection absorbing layer, and the top layer that subtracts the antireflection absorbing layer is low refractive index rete, and the second layer that subtracts the antireflection absorbing layer below the top layer is high refractive index rete. The refractive index of the high refractive index film layer is 2.0-4.5, and the refractive index of the low refractive index film layer is 1.3-1.75.
In this example, the anti-reflection absorption layer is a three-layer structure, and includes a first low refractive index film layer 2, a first high refractive index film layer 3, and a first metal Ti absorption film layer 4, which are arranged from outside to inside, and the first low refractive index film layer 2 is SiO2A film layer with a thickness of 89nm, and a first high refractive index film layer 3 of Nb2O5The thickness of each film layer is 37nm, the thickness of the first metal Ti absorption film layer 4 is 9nm, and each film layer is prepared by adopting a magnetron sputtering process.
The metal Ti absorption film layer realizes balanced absorption on visible light with the wavelength of 450nm-650nm, the absorption rate difference in the range of 450nm-650nm is less than 8%, the metal Ti absorption layer reduces the transmittance of the cover plate and simultaneously does not influence the chromaticity of transmitted light, the thicknesses and the arrangement sequence of the metal Ti absorption film layer, the high refractive index layer and the low refractive index layer are properly selected, the equivalent optical path difference of reflected light of two adjacent beams of light between the film layer and air, between the film layers and between the film layer and a base material interface is equal to or close to pi, namely the vibration directions are opposite, the reflected light of the optical surface to the wavelength is reduced by the superposition result, and therefore, the reflected light of a screen is reduced. The reflectivity of the coating surface is preferably 0.2% -2%; the absorption layer metal Ti film layer absorbs and blocks the transmitted light, and the transmissivity is preferably 50 to 80 percent
The transparent substrate 1 is transparent glass, and the transparent substrate 1 can also be a PMMA plate, a PC plate, a PMMA/PC composite plate or a PMMA/PC/PMMA composite plate, and is selected according to the requirement during implementation.
Referring to fig. 2, the structure of embodiment 2 of the present invention is the same as that of embodiment 1, except that: the anti-reflection absorption layer is of a four-layer structure, a second low-refractive-index film layer 5 is arranged between the first metal Ti absorption film layer 4 and the transparent substrate 1, and the first low-refractive-index film layer 2 is made of SiO2A film layer with a thickness of 85nm, and a first high refractive index film layer 3 of Nb2O5The thickness of the film layer is 33nm, the thickness of the first metal Ti absorption film layer 4 is 8nm, and the thickness of the second low refractive index film layer 5 is SiO2And the thickness of the film layer is 25 nm.
Referring to fig. 3, the structure of embodiment 3 of the present invention is the same as that of embodiment 2, except that: the antireflection absorption layer has a five-layer structure, a second high refractive index film layer 6 is arranged between the first metal Ti absorption film layer 4 and the second low refractive index film layer 5, and the first low refractive index film layer 2 is SiO2A film layer with a thickness of 90nm, and a first high refractive index film layer 3 of Nb2O5The thickness of the film layer is 35nm, the thickness of the first metal Ti absorption film layer 4 is 7.5nm, and the second high refractive index film layer 6 is Nb2O5A film layer with a thickness of 5nm and a second film layer with a low refractive index 5 of SiO2And the thickness of the film layer is 22 nm.
Referring to fig. 4, the structure of embodiment 4 of the present invention is the same as that of embodiment 3, except that: the antireflection layer has a six-layer structure and is formed between a second high refractive index film layer 6 and a second low refractive index film layer 5A second metal Ti absorption film layer 7 is arranged between the first and the second metal Ti absorption film layers, and the first low refractive index film layer 2 is SiO2A film layer with a thickness of 89nm, and a first high refractive index film layer 3 of Nb2O5The thickness of the film layer is 37nm, the thickness of the first metal Ti absorption film layer 4 is 6nm, and the thickness of the second high refractive index film layer 6 is Nb2O5The thickness of the film layer is 14nm, the thickness of the second metal Ti absorption film layer 7 is 5nm, and the second low refractive index film layer 5 is SiO2A film layer with a thickness of 25nm,
the above examples are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable one skilled in the art to understand the contents of the present invention and to implement the present invention, which should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (9)
1. Integrative black coating film apron, its characterized in that: the anti-reflection film comprises a transparent substrate (1) and an anti-reflection absorption layer arranged on the outer surface of the transparent substrate (1), wherein the anti-reflection absorption layer comprises at least one low-refractive-index film layer, at least one high-refractive-index film layer and at least one metal Ti absorption film layer, the metal Ti absorption film layer is arranged at the bottom layer or the middle layer of the anti-reflection absorption layer, the surface layer of the anti-reflection absorption layer is the low-refractive-index film layer, and the second layer of the anti-reflection absorption layer below the surface layer is the high-refractive-index film layer.
2. The integrated black coated cover plate of claim 1, wherein: the refractive index of the high refractive index film layer is 2.0-4.5, and the refractive index of the low refractive index film layer is 1.3-1.75.
3. The integrated black coated cover plate of claim 1, wherein: the high-refractive-index film layer is Nb2O5Film layer, TiO2Film layer or si3N4And (5) film layer.
4. The integrated black coated cover plate of claim 1,the method is characterized in that: the low refractive index film layer is SiO2And (5) film layer.
5. The integrated black coated cover plate of claim 1, wherein: the transparent substrate (1) is transparent glass, a PMMA plate, a PC plate, a PMMA/PC composite plate or a PMMA/PC/PMMA composite plate.
6. The integrated black coated cover plate of claim 1, wherein: the antireflection absorption layer comprises a first low-refractive-index film layer (2), a first high-refractive-index film layer (3) and a first metal Ti absorption film layer (4) which are arranged from outside to inside.
7. The integrated black coated cover plate of claim 6, wherein: and a second low-refractive-index film layer (5) is arranged between the first metal Ti absorption film layer (4) and the transparent substrate (1).
8. The integrated black coated cover plate of claim 7, wherein: and a second high-refractive-index film layer (6) is arranged between the first metal Ti absorption film layer (4) and the second low-refractive-index film layer (5).
9. The integrated black coated cover plate of claim 8, wherein: and a second metal Ti absorption film layer (7) is also arranged between the second high refractive index film layer (6) and the second low refractive index film layer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921476797.7U CN210626697U (en) | 2019-09-06 | 2019-09-06 | Integrated black coated cover plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921476797.7U CN210626697U (en) | 2019-09-06 | 2019-09-06 | Integrated black coated cover plate |
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| CN210626697U true CN210626697U (en) | 2020-05-26 |
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| CN201921476797.7U Active CN210626697U (en) | 2019-09-06 | 2019-09-06 | Integrated black coated cover plate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112366233A (en) * | 2020-11-17 | 2021-02-12 | 佛山市国星半导体技术有限公司 | GaN-based ultraviolet detector and manufacturing method thereof |
| CN114967216A (en) * | 2022-06-10 | 2022-08-30 | 浙江水晶光电科技股份有限公司 | Display screen cover plate and display |
| CN115113305A (en) * | 2022-08-01 | 2022-09-27 | 蓝思科技（长沙）有限公司 | Antireflection film and preparation method and application thereof |
-
2019
- 2019-09-06 CN CN201921476797.7U patent/CN210626697U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112366233A (en) * | 2020-11-17 | 2021-02-12 | 佛山市国星半导体技术有限公司 | GaN-based ultraviolet detector and manufacturing method thereof |
| CN114967216A (en) * | 2022-06-10 | 2022-08-30 | 浙江水晶光电科技股份有限公司 | Display screen cover plate and display |
| CN115113305A (en) * | 2022-08-01 | 2022-09-27 | 蓝思科技（长沙）有限公司 | Antireflection film and preparation method and application thereof |
| WO2024027645A1 (en) * | 2022-08-01 | 2024-02-08 | 蓝思科技（长沙）有限公司 | Anti-reflection film, and preparation method therefor and application thereof |
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