CN105739166B - Liquid crystal display module and liquid crystal display device - Google Patents
Liquid crystal display module and liquid crystal display device Download PDFInfo
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- CN105739166B CN105739166B CN201610246938.0A CN201610246938A CN105739166B CN 105739166 B CN105739166 B CN 105739166B CN 201610246938 A CN201610246938 A CN 201610246938A CN 105739166 B CN105739166 B CN 105739166B
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- liquid crystal
- crystal display
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- color filter
- thin film
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 62
- 229910052751 metal Inorganic materials 0.000 claims abstract description 39
- 239000002184 metal Substances 0.000 claims abstract description 39
- 239000000758 substrate Substances 0.000 claims abstract description 34
- 230000002093 peripheral effect Effects 0.000 claims abstract description 18
- 239000010409 thin film Substances 0.000 claims abstract description 17
- 239000003292 glue Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 5
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 12
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 12
- 229910052750 molybdenum Inorganic materials 0.000 claims description 12
- 239000011733 molybdenum Substances 0.000 claims description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 239000011651 chromium Substances 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical group N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 239000012788 optical film Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 230000003667 anti-reflective effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910004205 SiNX Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- G02F1/133502—Antiglare, refractive index matching layers
-
- 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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
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 embodiment of the invention provides a liquid crystal display module, which comprises a liquid crystal display panel, wherein the liquid crystal display panel comprises a color filter substrate and a thin film transistor substrate which is arranged opposite to the color filter substrate, liquid crystal is filled between the color filter substrate and the thin film transistor substrate, the color filter substrate and the thin film transistor substrate are sealed in the peripheral area through frame sealing glue, the liquid crystal display panel also comprises a display area and a light reflecting area, the light reflecting area is a peripheral circuit at the periphery of the display area, and an anti-reflection layer is arranged on the surface of the light reflecting area. Thereby solving the problem of light leakage caused by the reflection of the metal layer. The invention also comprises a liquid crystal display device with the liquid crystal display module.
Description
Technical Field
The invention relates to the technical field of display, in particular to a liquid crystal display module and a liquid crystal display device.
Background
In the conventional Thin Film Transistor (TFT) panel manufacturing, a problem of light leakage in a peripheral region widely exists in many products of different sizes and different models. The light leakage problem is that the peripheral circuit (metal layer part) of the TFT liquid crystal substrate reflects light strongly and projects the light of the backlight source onto the backlight module, so that the brightness of the part of the backlight module corresponding to the metal layer reflecting area is obviously improved, and the light leakage phenomenon is caused.
Generally, in the conventional Liquid Crystal display Module (LCM) process of a Liquid Crystal panel, a light-shielding tape is adhered to a reflective region of a TFT Liquid Crystal substrate or a region corresponding to a backlight Module, or a light-shielding black edge is printed on a film to solve the light leakage problem. Referring to fig. 1, fig. 1 is a schematic cross-sectional view of a conventional liquid crystal display module. As shown in fig. 1, the liquid crystal display module 10 includes a liquid crystal display panel 11 and a backlight module, the backlight module is mainly assembled by a back plate (not shown), a reflective plate (not shown), a light guide plate 12, an optical film set 15 and a sealant 13, the reflective plate (not shown), the light guide plate 12, the optical film set 15 and the sealant 13 are all accommodated in an accommodating space formed by the back plate (not shown), a black shading edge is printed on the optical film set 15, and each layer of film cannot be just placed without a gap, and cannot completely shield light leakage.
Due to the existence of the gap, the metal layer light reflection region 14 of the liquid crystal display panel 11 cannot be completely blocked by the printing black edge, and the light reflection phenomenon caused by the metal layer still exists. Therefore, the brightness of the corresponding optical film set 15 region is still significantly higher than that of other regions, and the problem of large-angle light leakage of the assembled liquid crystal panel still exists, which cannot be thoroughly solved.
The prior art adopts a light leakage prevention method of directly expanding the B/L membrane and placing the B/L membrane under the rubber frame, but the method has the defect of inconvenient clamping of the rubber frame and the back plate.
Disclosure of Invention
The invention aims to provide a liquid crystal display module and a liquid crystal display device, which can solve the problem of light leakage caused by light reflection of a metal layer.
The liquid crystal display module comprises a liquid crystal display panel, wherein the liquid crystal display panel comprises a color filter substrate and a thin film transistor substrate arranged opposite to the color filter substrate, liquid crystal is filled between the color filter substrate and the thin film transistor substrate, peripheral areas of the color filter substrate and the thin film transistor substrate are sealed through frame sealing glue, the liquid crystal display panel further comprises a display area and a reflecting area, the reflecting area is a peripheral circuit on the periphery of the display area, and an anti-reflection layer is arranged on the surface of the reflecting area.
Preferably, the anti-reflection layer is a black metal layer.
Preferably, a metal line is etched on the thin film transistor substrate, and the metal line is composed of ferrous metal/aluminum/molybdenum or molybdenum/aluminum/molybdenum.
Preferably, the ferrous metal is tungsten, chromium or nickel.
Preferably, the light reflecting area further comprises a first light reflecting area and a second light reflecting area, the first light reflecting area is coated in a full coverage mode, and the second light reflecting area is coated in a half coverage mode.
Preferably, the semi-coverage coating is in a grid shape.
Preferably, a planarization insulating layer is further disposed on the black metal layer.
Preferably, the material of the planarization insulating layer is silicon nitride.
The embodiment of the invention also provides a liquid crystal display device which comprises any one of the liquid crystal display modules.
According to the liquid crystal display module and the liquid crystal display device provided by the embodiment of the invention, the anti-reflection layer is arranged on the peripheral circuit at the periphery of the display area, so that the problem of light leakage of the liquid crystal panel caused by light reflection of the metal layer is effectively solved, the problem of light leakage is solved from the source, the full coverage of light leakage is realized, the yield of the liquid crystal panel is improved, and the product quality is ensured.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic cross-sectional view of a conventional liquid crystal display module.
Fig. 2 is a schematic top view of a liquid crystal display module according to an embodiment of the invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objectives, the following detailed description will be made on the liquid crystal display module and the liquid crystal display device according to the present invention, and the specific implementation, method, steps, structure, features and effects thereof, with reference to the accompanying drawings and preferred embodiments.
The foregoing and other technical and scientific aspects, features and advantages of the present invention will be apparent from the following detailed description of preferred embodiments, which is to be read in connection with the accompanying drawings. While the present invention has been described in connection with the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalent arrangements, and specific embodiments thereof.
Referring to fig. 2, fig. 2 is a schematic top view of a liquid crystal display module according to an embodiment of the invention. As shown in fig. 2, the liquid crystal display module 20 includes a liquid crystal display panel, the liquid crystal display panel includes a color filter substrate and a thin film transistor substrate disposed opposite to the color filter substrate, liquid crystal is filled between the color filter substrate and the thin film transistor substrate, peripheral areas of the color filter substrate and the thin film transistor substrate are sealed by setting a frame sealing adhesive, the liquid crystal display panel further includes a display area 21 and a reflective area 22, the reflective area 22 is a peripheral circuit at the periphery of the display area 21, an anti-reflective layer is disposed on the surface of the reflective area 22, and the anti-reflective layer is a black metal layer. In this embodiment, the ferrous metal is tungsten, chromium, or nickel.
The retroreflective regions 22 further include first retroreflective regions 220 and second retroreflective regions 224, the first retroreflective regions 220 being fully coated, the second retroreflective regions 224 being half coated, the half coated being in a grid pattern. In the actual panel assembly production process, a part of the peripheral area needs to be bonded with the glue frame through the glue frame to realize the fixed connection between the thin film transistor substrate and the glue frame. The sealant is usually cured by UV (ultraviolet) irradiation. Therefore, the black metal layer of the frame glue area is set to be in a semi-covering type coating mode, so that the frame glue can be irradiated by enough UV light to achieve good frame glue curing, and the other areas are covered by the complete black metal layer to eliminate the light reflection problem of the metal layer. Specifically, the semi-covering coating of the second retroreflective regions 224 is in the form of a grid. Of course, other suitable structures or arrangements of lines that ensure transmission of UV light may be used.
The thin film transistor substrate is etched with a metal circuit composed of ferrous metal/aluminum/molybdenum or molybdenum/aluminum/molybdenum. In the Array process of the liquid crystal panel, the Metal lines (Metal1 and Metal2) are usually composed of mo/al/mo. The metal circuit can be continuously formed by molybdenum/aluminum/molybdenum, and the peripheral anti-reflection area is made of ferrous metal. Alternatively, after the Metal lines (Metal1 and Metal2) are made of ferrous Metal/aluminum/molybdenum instead of the molybdenum/aluminum/molybdenum, the formed Metal lines are black without light reflection, and accordingly, a ferrous Metal layer is formed in the peripheral region (peripheral line), and no light reflection phenomenon exists. In particular, the ferrous metal is tungsten, chromium or nickel.
In this embodiment, in an Array process of a liquid crystal panel, a black metal layer is disposed on the peripheral region and an insulation process is performed, where the insulation process includes: and plating a planarization insulating layer (PV) on the black metal layer, wherein the material of the planarization insulating layer is silicon nitride (SiNx).
According to the liquid crystal display module provided by the invention, the anti-reflection layer is arranged on the peripheral circuit at the periphery of the display area, so that the problem of light leakage of the liquid crystal panel caused by light reflection of the metal layer is effectively solved, the yield of the liquid crystal panel is improved, and the product quality is ensured.
The embodiment of the invention also provides a liquid crystal display device which comprises any one of the liquid crystal display modules in the embodiment. The liquid crystal display device may be: any product or component with a display function, such as a mobile phone, a tablet computer, a television, a notebook computer, a digital photo frame, a navigator and the like.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. A liquid crystal display module comprises a liquid crystal display panel, wherein the liquid crystal display panel comprises a color filter substrate and a thin film transistor substrate which is arranged opposite to the color filter substrate, liquid crystal is filled between the color filter substrate and the thin film transistor substrate, the color filter substrate and the peripheral area of the thin film transistor substrate are sealed by setting frame sealing glue, the liquid crystal display panel further comprises a display area and a reflecting area, the reflecting area is a peripheral circuit at the periphery of the display area, the liquid crystal display module is characterized in that an anti-reflecting layer is arranged on the surface of the reflecting area, the reflecting area further comprises a first reflecting area and a second reflecting area, the first reflecting area is coated with a black metal layer in a full-covering mode, the second reflecting area is a frame sealing area, the frame sealing area is coated with a latticed black metal layer in a half-covering mode, and metal lines are etched on the thin film transistor substrate, the metal circuit is composed of ferrous metal/aluminum/molybdenum so as to form a non-reflective grid-shaped ferrous metal layer in a peripheral area, the ferrous metal is tungsten, chromium or nickel, and a planarization insulating layer is further arranged on the ferrous metal layer.
2. The liquid crystal display module of claim 1, wherein the material of the planarization insulating layer is silicon nitride.
3. A liquid crystal display device comprising the liquid crystal display module as set forth in any one of claims 1 to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610246938.0A CN105739166B (en) | 2016-04-20 | 2016-04-20 | Liquid crystal display module and liquid crystal display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610246938.0A CN105739166B (en) | 2016-04-20 | 2016-04-20 | Liquid crystal display module and liquid crystal display device |
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| CN105739166A CN105739166A (en) | 2016-07-06 |
| CN105739166B true CN105739166B (en) | 2020-02-21 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106057830A (en) * | 2016-08-19 | 2016-10-26 | 京东方科技集团股份有限公司 | Array substrate, display panel and array substrate preparation method |
| CN107037648A (en) * | 2017-01-13 | 2017-08-11 | 京东方科技集团股份有限公司 | A kind of array base palte and preparation method thereof, display panel, display device |
| CN107121828A (en) * | 2017-06-19 | 2017-09-01 | 合肥市惠科精密模具有限公司 | A kind of liquid crystal display module |
| CN107240379B (en) * | 2017-07-03 | 2019-10-29 | 昆山龙腾光电有限公司 | A kind of common voltage adjustment module and method, display device |
| CN110794610B (en) * | 2018-08-02 | 2024-07-26 | 京东方科技集团股份有限公司 | Display assembly and display device |
| CN108803156B (en) * | 2018-08-10 | 2021-04-30 | Tcl华星光电技术有限公司 | Array substrate and display device |
| CN114035366B (en) * | 2021-11-29 | 2023-11-21 | 京东方科技集团股份有限公司 | Field sequential display module and color liquid crystal display |
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| CN102508379A (en) * | 2011-11-07 | 2012-06-20 | 南京中电熊猫液晶显示科技有限公司 | Liquid crystal display device and method for manufacturing same |
| CN104536191A (en) * | 2014-12-30 | 2015-04-22 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display device |
| CN104597638A (en) * | 2015-01-13 | 2015-05-06 | 友达光电股份有限公司 | Display device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201159809Y (en) * | 2008-03-07 | 2008-12-03 | 北京京东方光电科技有限公司 | LCD device |
| CN202837749U (en) * | 2012-10-08 | 2013-03-27 | 京东方科技集团股份有限公司 | Liquid crystal display board, liquid crystal display machine and electric device |
| CN104991373B (en) * | 2015-07-22 | 2019-08-16 | 昆山龙腾光电有限公司 | Liquid crystal display panel and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508379A (en) * | 2011-11-07 | 2012-06-20 | 南京中电熊猫液晶显示科技有限公司 | Liquid crystal display device and method for manufacturing same |
| CN104536191A (en) * | 2014-12-30 | 2015-04-22 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display device |
| CN104597638A (en) * | 2015-01-13 | 2015-05-06 | 友达光电股份有限公司 | Display device |
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