CN113641030A - 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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- CN113641030A CN113641030A CN202110992965.3A CN202110992965A CN113641030A CN 113641030 A CN113641030 A CN 113641030A CN 202110992965 A CN202110992965 A CN 202110992965A CN 113641030 A CN113641030 A CN 113641030A
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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 33
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 239000010410 layer Substances 0.000 claims description 121
- 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 4
- 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
- 229940023462 paste product Drugs 0.000 description 1
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- 239000002335 surface treatment layer Substances 0.000 description 1
Images
Classifications
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- 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
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- 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 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 value range of the visible light refractive index n1 of the high-refractive-index film layer is 1.8 < 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 invention 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.
Disclosure of Invention
In order to solve the technical problems, the invention 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 layer1The 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 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 invention 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 invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. 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 invention 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 invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. 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, an embodiment 1 of the present application is proposed, in which a high transmittance liquid crystal display is describedThe display device comprises a liquid crystal display body 100 and a plurality of composite film layers 200, wherein the liquid crystal display module body comprises a backlight module 101, a lower polarizer 102, a TFT glass plate 103, a TFT array and an alignment layer 104 arranged on the TFT glass plate, a liquid crystal layer 105, a transparent flat layer 106, a red, green, blue and black resistance layer 107, a color film substrate 108, an ITO film layer 109 and an upper polarizer 110 which are sequentially arranged in the embodiment, 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, a high-refractive-index film layer 201 of each composite film layer 200 is distributed on one side, away from the ITO film layer 109, corresponding to the low-refractive-index film layer 202, of each composite film layer 200, and the value range of the visible light refractive index n1 of the high-refractive-index film layer 201 is 1.8 < 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 invention and is not intended to limit the invention 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 invention 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), 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/or between the color film substrate (108) and the ITO film layer (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), corresponding to the low-refractive-index film layer (202), of each composite film layer, and the refractive index n of visible light of the high-refractive-index film layer (201) is1The 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).
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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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