CN113641030B - Integrated black display - Google Patents
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- CN113641030B CN113641030B CN202110992965.3A CN202110992965A CN113641030B CN 113641030 B CN113641030 B CN 113641030B CN 202110992965 A CN202110992965 A CN 202110992965A CN 113641030 B CN113641030 B CN 113641030B
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- 239000010410 layer Substances 0.000 claims abstract description 114
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 43
- 239000002131 composite material Substances 0.000 claims abstract description 30
- 238000002834 transmittance Methods 0.000 claims abstract description 24
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 238000002310 reflectometry Methods 0.000 claims abstract description 14
- 239000006059 cover glass Substances 0.000 claims abstract description 10
- 239000012790 adhesive layer Substances 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 3
- 238000005229 chemical vapour deposition Methods 0.000 claims description 3
- 229910000449 hafnium oxide Inorganic materials 0.000 claims description 3
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 claims description 3
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 3
- 229910000484 niobium oxide Inorganic materials 0.000 claims description 3
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims description 3
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 3
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 claims description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 229910001936 tantalum oxide Inorganic materials 0.000 claims description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000005357 flat glass Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000011521 glass Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002335 surface treatment layer Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133553—Reflecting elements
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses an integrated black display, which comprises a high-transmittance liquid crystal display device and cover glass, wherein the high-transmittance liquid crystal display device comprises a liquid crystal display body and a plurality of composite film layers, the liquid crystal display body comprises an upper polaroid, an ITO film layer and a color film substrate which are sequentially arranged, each composite film layer respectively comprises a high-refractive-index film layer and a low-refractive-index film layer, the composite film layers are arranged between the upper polaroid and the ITO film layer or/and between the color film substrate and the ITO film layer, the high-refractive-index film layers of each composite film layer are distributed on one side of the corresponding low-refractive-index film layer, which is far away from the ITO film layer, the value range of the visible light refractive index n1 of the high-refractive-index film layer is 1.8 < n 1 < 3.5, and the value range of the visible light refractive index n2 of the low-refractive-index film layer is 1.3< n 2 <1.8; one side of the cover plate glass is provided with an ink layer, one side of the cover plate glass provided with the ink layer is adhered to the high-transmittance liquid crystal display device through an adhesive layer, the reflectivity of the ITO film layer and the reflectivity of the composite film layer are consistent with those of the ink layer, and the integral black effect of the display is improved.
Description
Technical Field
The invention relates to the technical field of liquid crystal displays, in particular to an integrated black display.
Background
With the development of display technology, the application of the display is becoming wider, and not only is the requirement on the display quality higher, but also the appearance and the presentation form of the display device are more extremely required. The current display device is used in many application scenes, and is required to present clear and gorgeous pictures, and is used as an ornament when the screen is closed, and the display area and the peripheral non-display area are black when the screen is closed under the normal condition, but under most conditions, the reflectivity of the display area and the peripheral non-display area to visible light is different, so that certain chromatic aberration is caused, the requirements of consumers cannot be met, and particularly, the comprehensive screen display device with cover glass, such as a vehicle-mounted display screen, a mobile phone display screen and a panel computer display screen, have higher and higher attention and requirements on 'integral black'.
Most of the current display devices with touch control function adopt a surface-mounted mode when being attached to the protective glass, so that the reflectivity of a frame-mounted product protective glass and an air interface to ambient light is reduced, on one hand, the display quality is improved, on the other hand, the color difference between a display area and a frame area is also reduced when a screen is closed, and the integral black effect is improved to a certain extent. However, the refractive index of the ITO film layer on the outer side of the color film substrate of the liquid crystal display screen is larger, so that the reflectivity of the display area is larger, and the colors of the frame black ink area and the display area still have larger difference when the display area is in screen.
Disclosure of Invention
In order to solve the technical problems, the invention provides a high-transmittance liquid crystal display device which is favorable for improving the integral black effect of a display, and the adopted technical scheme is as follows:
The utility model provides a high transmissivity liquid crystal display device, includes liquid crystal display body and a plurality of complex film layer, the liquid crystal display body is including last polaroid, ITO rete and the various membrane base plate that sets gradually, and every complex film layer includes high refractive index rete and low refractive index rete respectively, complex film layer sets up go up the polaroid with between the ITO rete and/or between various membrane base plate and the ITO rete, and every the high refractive index rete of complex film layer distributes corresponding the low refractive index rete deviates from one side of ITO rete, just the range of value of the visible light refractive index n1 of high refractive index rete is 1.8 < n1 < 3.5, the range of value of the visible light refractive index n2 of low refractive index rete is 1.3< n2<1.8.
Preferably, the material of the low refractive index film layer is silicon dioxide or silicon oxynitride.
Preferably, the material of the high refractive index film layer is titanium oxide, niobium oxide, hafnium oxide, tantalum oxide, zirconium oxide, zinc oxide, cerium oxide or silicon nitride.
Preferably, the high refractive index film layer and the low refractive index film layer are formed by chemical vapor deposition or magnetron sputtering coating.
Preferably, the thickness of the high refractive index film layer is 15-50nm, and the thickness of the low refractive index film layer is 15-50nm.
Preferably, the thickness of the ITO film layer is 10-150nm.
The invention also discloses an integrated black display, which comprises the liquid crystal display device and further comprises cover plate glass, wherein one side of the cover plate glass is provided with an ink layer, one side of the cover plate glass provided with the ink layer is adhered to the liquid crystal display device through an adhesive layer, and the reflectivity of the ITO film layer and the reflectivity of the composite film layer are consistent with the reflectivity of the ink layer.
According to the liquid crystal display device, the composite film layer is arranged outside the color film substrate, so that the transmittance of the liquid crystal display is improved, the power consumption of the liquid crystal display device and the display is reduced, the reflection of ambient light is reduced, the comfort level of use is improved, and the display can improve the integral black effect of the display by adjusting the reflectivity of the composite anti-reflection film layer matched with the ink layer on the cover plate glass.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings. Specific embodiments of the present invention are given in detail by the following examples and the accompanying drawings.
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 specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
fig. 1 is a schematic structural diagram of a liquid crystal display device according to embodiment 1 of the present invention;
Fig. 2 is a schematic structural diagram of a liquid crystal display device according to embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of a liquid crystal display device according to embodiment 3 of the present invention;
Fig. 4 is a schematic structural diagram of a display according to embodiment 4 of the present invention.
The specific meanings of the reference numerals are:
100. a liquid crystal display body; 101. a backlight module; 102. a lower polarizer; 103. a TFT glass plate; 104. a TFT array and an alignment layer; 105. a liquid crystal layer; 106. a transparent flat layer; 107. a red, green, blue and black resist layer; 108. a color film substrate; 109. an ITO film layer; 110. a polaroid is arranged on the upper surface of the substrate; 200. a composite film layer; 201. a high refractive index film layer; 202. a low refractive index film layer;
10. A high transmittance liquid crystal display device; 20. cover glass; 21. a touch control film; 22. a glue layer; 23. an ink layer; 30. and (5) attaching the adhesive layer.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The principles and features of the present invention are described below with reference to fig. 1-4, the examples being provided for illustration only and not for limitation of the scope of the invention. The invention is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the invention will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1, an embodiment 1 of the present application is provided, where the high-transmittance liquid crystal display device includes a liquid crystal display body 100 and a plurality of composite film layers 200, in this embodiment, the liquid crystal display body includes a backlight module 101, a lower polarizer 102, a TFT glass plate 103, a TFT array and an alignment layer 104 thereon, a liquid crystal layer 105, a transparent flat layer 106, a red, green and blue black resistive layer 107, a color film substrate 108, an ITO film layer 109, and an upper polarizer 110, the composite film layers 200 are disposed between the upper polarizer 110 and the ITO film layer 109, and between the color film substrate 108 and the ITO film layer 109, and a high refractive index film layer 201 of each composite film layer 200 is distributed on a side facing away from the ITO film layer 109 corresponding to the low refractive index film layer 202, and a refractive index range of visible light of the high refractive index film layer 201 is 1.8 < n1 < 3.5, and a refractive index range of visible light of the low refractive index film layer 202 is 1.3.2 <1.
In this embodiment, the high-transmittance liquid crystal display device includes two composite film layers 200, and the two composite film layers 200 are respectively disposed between the upper polarizer 110 and the ITO film layer 109, and between the color film substrate 108 and the ITO film layer 109.
In this embodiment, the two composite film layers 200 of the high-transmittance liquid crystal display device cooperate with the ITO film layer 109 to reduce the reflectivity of the ITO layer, improve the transmittance of the backlight module 201, reduce the power consumption of the high-transmittance liquid crystal display device 10, reduce the reflection of ambient light, improve the interference of ambient light, improve the comfort level of use, and facilitate the matching of the reflectivity of the ink layer in the border region of the liquid crystal display body 100 to form an integral black display.
In another embodiment, the high-transmittance liquid crystal display device includes a plurality of the composite film layers 200, and as the number of stacked layers of the composite film layers 200 increases, the reflectivity of the ITO film layer 109 to ambient light is lower, but the process is relatively more complex and the cost is higher.
In this embodiment, the material of the low refractive index film 202 is silicon dioxide or silicon oxynitride, the material of the high refractive index film 201 is titanium oxide, niobium oxide, hafnium oxide, tantalum oxide, zirconium oxide, zinc oxide, cerium oxide or silicon nitride, and the high refractive index film 201 and the low refractive index film 202 can be formed by chemical vapor deposition or magnetron sputtering.
In this embodiment, the thickness of the high refractive index film 201 is 15-50nm, the thickness of the low refractive index film 202 is 15-50nm, and the thickness of the ITO film 109 is 10-150nm.
In the manufacturing of the high-transmittance liquid crystal display device 10 according to the present embodiment, the thickness and the material of the high-refractive-index film 201 and the low-refractive-index film 202 may be adjusted according to the requirement of the high-transmittance liquid crystal display device 10.
Example 2
Referring to fig. 2, embodiment 2 of the present application is different from embodiment 1 in that the high transmittance liquid crystal display device includes one composite film layer 200, and the composite film layer 200 is disposed between the upper polarizer 110 and the ITO film layer 109.
In other embodiments, at least two composite film layers 200 may be disposed on the side of the ITO film layer 109 near the upper polarizer 110.
In this embodiment, the thickness of the low refractive index film 202 and the high refractive index film 201 is adjusted by controlling the deposition conditions, so as to realize the adjustment of the transmittance and reduce the reflection of the ITO film 109.
Example 3
Referring to fig. 3, embodiment 3 of the present application is different from embodiment 1 in that the high transmittance liquid crystal display device includes one composite film layer 200, and the composite film layer 200 is disposed between the color film substrate 108 and the ITO film layer 109.
In other embodiments, at least two composite film layers 200 may be disposed on a side of the ITO film layer 109 near the color film substrate 108.
In this embodiment, the thickness of the low refractive index film 202 and the high refractive index film 201 is adjusted by controlling the deposition conditions of the composite film 200, so as to realize the adjustment and control of the transmittance, and realize the anti-reflection of the color film substrate 108.
Example 4
Referring to fig. 4, embodiment 4 of the present application is provided, and embodiment 4 provides a display, which includes the high-transmittance liquid crystal display device 10 of embodiment 1, and further includes a cover glass 20, where the cover glass 20 is adhered to the high-transmittance liquid crystal display device 10 by an adhesive layer 30, and the cover glass 20 includes a touch film 21, an adhesive layer 22, an ink layer 23, a glass substrate 24, and a surface treatment layer 25 sequentially disposed, and the cover glass 20 is provided with the ink layer 23 in a frame area of the display, and the reflectivity of the frame area and the display area of the high-transmittance liquid crystal display device 10 are similar, so that the display has an integral black effect.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention in any way; those skilled in the art will readily appreciate that the present invention may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present invention are possible in light of the above teachings, without departing from the scope of the invention; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present invention still fall within the scope of the present invention.
Claims (6)
1. A solid black display is characterized by comprising a high-transmittance liquid crystal display device (10) and cover glass (20),
The high-transmittance liquid crystal display device (10) comprises a liquid crystal display body (100) and a plurality of composite film layers (200), each composite film layer (200) comprises a high-refractive-index film layer (201) and a low-refractive-index film layer (202), the liquid crystal display body (100) comprises an upper polarizer (110), an ITO film layer (109) and a color film substrate (108) which are sequentially arranged, the composite film layers (200) are arranged between the upper polarizer (110) and the ITO film layer (109) and between the color film substrate (108) and the ITO film layer (109), the high-refractive-index film layers (201) of each composite film layer (200) are distributed on one side, which is opposite to the ITO film layer (109), of each composite film layer (202), the visible light refractive index n 1 of each high-refractive-index film layer (201) has a value range of 1.8< n 1.5, and the visible light refractive index n 2 of each low-refractive-index film layer (202) has a value of 1.8< n 3779 < 1.35.35;
One side of the cover glass (20) is provided with an ink layer (23), one side of the cover glass (20) provided with the ink layer (23) is adhered to the high-transmittance liquid crystal display device (10) through an adhesive layer (30), and the reflectivity of the ITO film layer (109) and the composite film layer (200) is consistent with that of the ink layer (23).
2. The integrated black display according to claim 1, wherein the low refractive index film layer (202) is made of silicon dioxide or silicon oxynitride.
3. The integrated black display according to claim 1, wherein the high refractive index film layer (201) is made of titanium oxide, niobium oxide, hafnium oxide, tantalum oxide, zirconium oxide, zinc oxide, cerium oxide or silicon nitride.
4. The integrated black display according to claim 1, wherein the high refractive index film layer (201) and the low refractive index film layer (202) are formed by chemical vapor deposition or magnetron sputtering plating.
5. The integral black display according to claim 1, wherein the high refractive index film layer (201) has a thickness of 15-50nm, and the low refractive index film layer (202) has a thickness of 15-50nm.
6. The integral black display according to claim 5, wherein the thickness of the ITO film layer (109) is 10-150nm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110992965.3A CN113641030B (en) | 2021-08-26 | 2021-08-26 | Integrated black display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110992965.3A CN113641030B (en) | 2021-08-26 | 2021-08-26 | Integrated black display |
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| CN113641030B true CN113641030B (en) | 2024-05-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114355663A (en) * | 2021-12-31 | 2022-04-15 | 惠科股份有限公司 | Color film substrate, display panel and display |
| CN115793317A (en) * | 2022-12-30 | 2023-03-14 | 芜湖长信科技股份有限公司 | Method for reducing light wave oscillation of liquid crystal display device |
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| TWI718639B (en) * | 2019-08-23 | 2021-02-11 | 凌巨科技股份有限公司 | Touch display device |
| CN110780774A (en) * | 2019-10-28 | 2020-02-11 | 深圳莱宝高科技股份有限公司 | Integrated black suspension touch panel and touch display screen |
| CN215910758U (en) * | 2021-08-26 | 2022-02-25 | 华玻视讯(珠海)科技有限公司 | High-transmittance liquid crystal display device and integrated black display |
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