CN215910758U - High-transmittance liquid crystal display device and integrated black display - Google Patents
High-transmittance liquid crystal display device and integrated black display Download PDFInfo
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- CN215910758U CN215910758U CN202122038691.2U CN202122038691U CN215910758U CN 215910758 U CN215910758 U CN 215910758U CN 202122038691 U CN202122038691 U CN 202122038691U CN 215910758 U CN215910758 U CN 215910758U
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- film layer
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- refractive index
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 50
- 238000002834 transmittance Methods 0.000 title claims abstract description 21
- 239000002131 composite material Substances 0.000 claims abstract description 32
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 239000010410 layer Substances 0.000 claims description 119
- 238000002310 reflectometry Methods 0.000 claims description 12
- 239000006059 cover glass Substances 0.000 claims description 9
- 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
- 239000012790 adhesive layer Substances 0.000 claims description 4
- 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
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method 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
- 239000005357 flat glass Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
- 239000002335 surface treatment layer Substances 0.000 description 1
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Abstract
The utility model discloses a high-transmittance liquid crystal display device and an integrated black display, 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 polarizer, an ITO film layer and a color film substrate which are sequentially arranged, each composite film layer comprises a high-refractive-index film layer and a low-refractive-index film layer, the composite film layers are arranged between the upper polarizer and the ITO film layer or/and between the color film substrate and the ITO film layer, the high-refractive-index film layer of each composite film layer is distributed on one side, away from the ITO film layer, of the corresponding low-refractive-index film layer, and the visible light refractive index n of the high-refractive-index film layer1The value range of (1.8) is more than n1Less than 3.5, refractive index n of visible light of low refractive index film layer2Has a value range of 1.3<n2<1.8。
Description
Technical Field
The utility model relates to the technical field of liquid crystal displays, in particular to a high-transmittance liquid crystal display device and an integrated black display.
Background
With the development of display technology, the application of displays is becoming more and more extensive, and people not only have higher and higher requirements on display quality, but also have more extreme requirements on the appearance and presentation form of display devices. The current display device is used in many application scenes, a clear and gorgeous picture is required to be displayed when the display device is used, the display device serves as an ornament when the display device is used for displaying a screen, and the display area and the peripheral non-display area are black under normal conditions.
The present most display device that have touch-control function all adopts the face pastes the mode when laminating cover glass to reduce frame and paste product cover glass and air interface to the reflectivity of ambient light, improved the display quality on the one hand, on the other hand has also reduced the colour difference of display area and frame district when having wore the screen, has certain improvement to integrative black effect. 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 color of the black ink area of the frame and the color of the display area are still larger when the display area is subjected to screen rejection.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a high-transmittance liquid crystal display device which is beneficial to improving the integral black effect of a display, and the technical scheme is as follows:
a high-transmittance liquid crystal display device comprises a liquid crystal display body and a plurality of composite film layers, wherein 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 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 and/or between the color film substrate and the ITO film layer, the high-refractive-index film layer of each composite film layer is distributed on one side, which is opposite to the ITO film layer, of the corresponding low-refractive-index film layer, and the visible light refractive index n of the high-refractive-index film layer2The value range of (1.8) is more than n1＜3.5The refractive index n of the visible light of the low refractive index film layer2Has a value range of 1.3<n2<1.8。
Preferably, the low refractive index film layer is made of 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 15-50 nm.
Preferably, the thickness of the ITO film layer is 10-150 nm.
The utility model also discloses an integrated black display, which comprises the liquid crystal display device and cover plate glass, wherein an ink layer is arranged on one side of the cover plate glass, the side, provided with the ink layer, of the cover plate glass is bonded on the liquid crystal display device through a bonding 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 use comfort is improved, the display can be matched with the reflectivity of the ink layer on the cover plate glass by adjusting the composite antireflection film layer, and the integral black effect of the display is improved.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is 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 utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. 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 planarization layer; 107. a red, green, blue and black resist layer; 108. a color film substrate; 109. an ITO film layer; 110. an upper polarizer; 200. compounding the film layer; 201. a high refractive index film layer; 202. a low refractive index film layer;
10. a liquid crystal display device; 20. cover plate glass; 21. a touch film; 22. a glue layer; 23. an ink layer; 30. and (6) gluing the adhesive layer.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The principles and features of the present invention are described below in conjunction with the accompanying fig. 1-4, which are provided by way of example only to illustrate the present invention and not to limit the scope of the present invention. The utility model is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present 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 in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1, embodiment 1 of the present application is provided, the high transmittance liquid crystal display device in this embodiment includes a liquid crystal display body 100 and a plurality of composite film layers 200, in this embodiment, the liquid crystal display module body includes a backlight module 101, a lower polarizer 102, a TFT glass plate 103, and a TFT array and an alignment layer 104 thereon, a liquid crystal layer 105, a transparent planarization layer 106, a red, green, blue, and black resist 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 disposed at a side corresponding to the low refractive index film layer 202 away from the ITO film layer 109, and a visible light refractive index n of the high refractive index film layer 201 is refractive index n1The value range of (1.8) is more than n1< 3.5, the refractive index n of the visible light of the low refractive index film layer 2022Has a value range of 1.3<n2<1.8。
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.
This embodiment two compound rete 200 of high transmissivity liquid crystal display device, with ITO rete 109 combined action, reduce the reflectivity on ITO layer, promote backlight unit 201's transmissivity, reduce liquid crystal display device 10's consumption, reduce the reflection of ambient light simultaneously, improve the interference of ambient light, improve use comfort, the reflectivity of the printing ink layer of the frame district of the matching liquid crystal display body 100 of still being convenient for constitutes integrative black display.
In another embodiment, the high transmittance liquid crystal display device includes a plurality of composite film layers 200, and as the number of stacked composite film layers 200 increases, the ITO film layer 109 has a lower reflectivity to ambient light, but the process is relatively more complicated and the cost is higher.
In this embodiment, the low refractive index film layer 202 is made of silicon dioxide or silicon oxynitride, 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, and both the high refractive index film layer 201 and the low refractive index film layer 202 can be formed by chemical vapor deposition or magnetron sputtering coating.
In this embodiment, the thickness of the high refractive index film layer 201 is 15 to 50nm, the thickness of the low refractive index film layer 202 is 15 to 50nm, and the thickness of the ITO film layer 109 is 10 to 150 nm.
When manufacturing the liquid crystal display device 10 of the present embodiment, the thicknesses and materials of the high refractive index film layer 201 and the low refractive index film layer 202 may be adjusted according to the requirements of the liquid crystal display device 10.
Example 2
Referring to fig. 2, embodiment 2 of the present application is proposed, which 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 another embodiment, at least two composite film layers 200 may be disposed on one side of the ITO film layer 109 close to the upper polarizer 110.
In this embodiment, the composite film layer 200 adjusts the thicknesses of the low refractive index film layer 202 and the high refractive index film layer 201 by controlling the deposition conditions, so as to realize the control of the transmittance and reduce the reflection of the ITO film layer 109.
Example 3
Referring to fig. 3, embodiment 3 of the present application is proposed, which 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 another embodiment, at least two composite film layers 200 may be disposed on one side of the ITO film layer 109 close to the color film substrate 108.
In this embodiment, the composite film layer 200 adjusts the thicknesses of the low refractive index film layer 202 and the high refractive index film layer 201 by controlling the deposition conditions, so as to realize the adjustment and control of the transmittance and 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, including embodiment 1, the liquid crystal display device 10 further includes a cover glass 20, the cover glass 20 is bonded on the liquid crystal display device 10 through a bonding adhesive layer 30, in this embodiment, the cover glass 20 includes a touch film 21, a glue layer 22, an ink layer 23, a glass substrate 24 and a surface treatment layer 25 which are sequentially arranged, the cover glass 20 is provided with the ink layer 23 in a frame area of the display, and the frame area and a display area of the liquid crystal display device 10 have similar reflectivity, so that the display has an integral black effect.
The foregoing is merely a preferred embodiment of the utility model and is not intended to limit the utility model in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the utility model as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (7)
1. The high-transmittance liquid crystal display device is characterized by comprising a liquid crystal display body (100) and a plurality of composite film layers (200), wherein each composite film layer (200) comprises a high-refractive-index film layer (201) and a low-refractive-index film layer (202), and the liquid crystal display body (100) comprises a substrateThe composite film comprises an upper polarizer (110), ITO film layers (109) and a color film substrate (108) which are arranged in sequence, wherein the composite film layers (200) are arranged between the upper polarizer (110) and the ITO film layers (109) and/or between the color film substrate (108) and the ITO film layers (109), the high-refractive-index film layer (201) of each composite film layer (200) is distributed on one side, away from the ITO film layer (109), of the corresponding low-refractive-index film layer (202), and the visible light refractive index n of the high-refractive-index film layer (201)1The value range of (1.8) is more than n1< 3.5, the refractive index n of the film layer (202) with low refractive index2Has a value range of 1.3<n2<1.8。
2. The high transmittance liquid crystal display device according to claim 1, wherein the low refractive index film layer (202) is made of silicon dioxide or silicon oxynitride.
3. The high transmittance liquid crystal display device 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 high transmittance liquid crystal display device 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 coating.
5. The high transmittance liquid crystal display device according to claim 1, wherein the high refractive index film layer (201) has a thickness of 15 to 50nm, and the low refractive index film layer (202) has a thickness of 15 to 50 nm.
6. The high transmittance liquid crystal display device according to claim 5, wherein the thickness of the ITO film layer (109) is 10-150 nm.
7. An integrated black display, comprising the liquid crystal display device (10) according to any one of claims 1 to 6, and further comprising a cover glass (20), wherein an ink layer (23) is disposed on one side of the cover glass (20), and the side of the cover glass (20) on which the ink layer (23) is disposed is bonded to the liquid crystal display device (10) through a bonding adhesive layer (30), and the reflectivities of the ITO film layer (109) and the composite film layer (200) are consistent with the reflectivity of the ink layer (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122038691.2U CN215910758U (en) | 2021-08-26 | 2021-08-26 | High-transmittance liquid crystal display device and integrated black display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122038691.2U CN215910758U (en) | 2021-08-26 | 2021-08-26 | High-transmittance liquid crystal display device and integrated black display |
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| Publication Number | Publication Date |
|---|---|
| CN215910758U true CN215910758U (en) | 2022-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122038691.2U Withdrawn - After Issue CN215910758U (en) | 2021-08-26 | 2021-08-26 | High-transmittance liquid crystal display device and integrated black display |
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| CN (1) | CN215910758U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113641030A (en) * | 2021-08-26 | 2021-11-12 | 华玻视讯(珠海)科技有限公司 | High-transmittance liquid crystal display device and integrated black display |
| CN115180827A (en) * | 2022-07-06 | 2022-10-14 | 中国科学院上海硅酸盐研究所 | High-refractive-index and high-hardness glass material and preparation method thereof |
-
2021
- 2021-08-26 CN CN202122038691.2U patent/CN215910758U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113641030A (en) * | 2021-08-26 | 2021-11-12 | 华玻视讯(珠海)科技有限公司 | High-transmittance liquid crystal display device and integrated black display |
| CN113641030B (en) * | 2021-08-26 | 2024-05-24 | 华玻视讯(珠海)科技有限公司 | Integrated black display |
| CN115180827A (en) * | 2022-07-06 | 2022-10-14 | 中国科学院上海硅酸盐研究所 | High-refractive-index and high-hardness glass material and preparation method thereof |
| CN115180827B (en) * | 2022-07-06 | 2024-03-12 | 中国科学院上海硅酸盐研究所 | High-refractive-index high-hardness glass material and preparation method thereof |
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