CN109683370B - Liquid crystal display - Google Patents
Liquid crystal display Download PDFInfo
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- CN109683370B CN109683370B CN201910077797.8A CN201910077797A CN109683370B CN 109683370 B CN109683370 B CN 109683370B CN 201910077797 A CN201910077797 A CN 201910077797A CN 109683370 B CN109683370 B CN 109683370B
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 51
- 239000011521 glass Substances 0.000 claims abstract description 46
- 239000011229 interlayer Substances 0.000 claims abstract description 44
- 239000000758 substrate Substances 0.000 claims abstract description 42
- 239000010408 film Substances 0.000 claims abstract description 34
- 239000010410 layer Substances 0.000 claims abstract description 31
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 claims abstract description 26
- 229920001467 poly(styrenesulfonates) Polymers 0.000 claims abstract description 26
- 229940006186 sodium polystyrene sulfonate Drugs 0.000 claims abstract description 26
- 239000002131 composite material Substances 0.000 claims abstract description 21
- 238000002310 reflectometry Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000011159 matrix material Substances 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims abstract description 5
- 230000001603 reducing effect Effects 0.000 claims description 4
- 238000002834 transmittance Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 7
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010409 thin film Substances 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/111—Anti-reflection coatings using layers comprising organic materials
-
- 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
- G02F1/1343—Electrodes
-
- 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
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides a liquid crystal display, at least comprising: the liquid crystal display panel comprises a first glass substrate, a second glass substrate, a liquid crystal layer, a first alignment film, a second alignment film, a first interlayer, a second interlayer, a color filter structure and a black matrix, wherein the first glass substrate and the second glass substrate are arranged oppositely, the liquid crystal layer is positioned between the first glass substrate and the second glass substrate, the first alignment film and the second alignment film are positioned on two sides of the liquid crystal layer, the first interlayer is positioned on one side, back to the liquid crystal layer, of the first alignment film, the second interlayer is positioned on one side, back to the liquid crystal layer, of the second alignment film, the color filter structure is positioned between the first interlayer and the first glass substrate, and the; wherein the first interlayer and the second interlayer are made of a compound of polyethylene dioxythiophene and sodium polystyrene sulfonate; has the advantages that: the composite material of the polyethylene dioxythiophene and the sodium polystyrene sulfonate can reduce the reflectivity of the glass substrate, can also be used as an ITO (indium tin oxide) substitute material, and has low cost and obvious anti-reflection effect.
Description
Technical Field
The invention relates to the technical field of display, in particular to a liquid crystal display.
Background
With the development of liquid crystal displays, higher and higher quality requirements are made on the performance of the displays, especially on the reflectivity of the products. For liquid crystal display products, the COA (Color Filter on Array), an integration technique for integrating a Color Filter with an Array substrate, in various panel manufacturers, has gradually surpassed the conventional non-COA technique in the market, and plays an increasingly important role. The COA technology is mainly a process technology for manufacturing a color resistance material on the glass side of an ultra-thin film transistor, the structural design of the COA technology can reduce parasitic capacitance, improve aperture opening ratio and relieve the technical advantages of millimeter mura (mura refers to the phenomenon that various traces are caused by uneven brightness of a display), but the reflectivity of the COA technology is obviously higher than that of a non-COA technology, and the display quality is reduced. In order to solve the above problems, the development and introduction of new materials are required over a long period of time and at a high input cost.
In summary, the liquid crystal display in the prior art adopts the COA technology, so that the reflectivity of the product is significantly greater than that of the non-COA technology, which affects the display quality and causes poor consumer experience. Therefore, it is necessary to provide a new liquid crystal display to improve this defect.
Disclosure of Invention
The embodiment of the invention provides a liquid crystal display, which is used for solving the technical problems that the reflectivity of a product is obviously higher than that of a non-COA technology due to the adoption of the COA technology, the display quality is influenced and the consumer experience is poor in the liquid crystal display in the prior art.
An embodiment of the present invention provides a liquid crystal display, at least including: the liquid crystal display panel comprises a first glass substrate, a second glass substrate, a liquid crystal layer, a first alignment film, a second alignment film, a first interlayer, a second interlayer, a color filter structure and a black matrix, wherein the first glass substrate and the second glass substrate are arranged oppositely, the liquid crystal layer is positioned between the first glass substrate and the second glass substrate, the first alignment film and the second alignment film are positioned on two sides of the liquid crystal layer, the first interlayer is positioned on one side, back to the liquid crystal layer, of the first alignment film, the second interlayer is positioned on one side, back to the liquid crystal layer, of the second alignment film, the color filter structure is positioned between the first interlayer and the first glass substrate, and the;
the material of the first interlayer and the second interlayer is composed of a compound of polyethylene dioxythiophene and sodium polystyrene sulfonate, and the compound material of the polyethylene dioxythiophene and the sodium polystyrene sulfonate has a function of reducing the reflectivity of the first glass substrate and the second glass substrate, so that the reflectivity of the first glass substrate and the second glass substrate meets an interval which is greater than or equal to one percent and less than or equal to ten percent.
According to a preferred embodiment of the present invention, the color filter structure at least includes a color photoresist, and a first insulating layer and a second insulating layer located on two sides of the color photoresist.
According to a preferred embodiment of the present invention, the refractive indices of the first interlayer and the second interlayer satisfy an interval of more than 1.6 and less than 1.75.
According to a preferred embodiment of the present invention, the thicknesses of the first interlayer and the second interlayer satisfy an interval greater than or equal to 100 nm and less than or equal to 500 nm.
According to a preferred embodiment of the present invention, the light transmittance of the composite material of polyethylene dioxythiophene and sodium polystyrene sulfonate satisfies an interval greater than 90%.
According to a preferred embodiment of the present invention, the electrical conductivity of the composite material of polyethylene dioxythiophene and sodium polystyrene sulfonate satisfies an interval greater than or equal to 1S/cm and less than or equal to 10S/cm.
According to a preferred embodiment of the present invention, the surface resistance of the composite material of polyethylene dioxythiophene and sodium polystyrene sulfonate satisfies less than 106The interval of omega/sq.
According to a preferred embodiment of the present invention, the first interlayer is attached to the second insulating layer and the first alignment film.
According to a preferred embodiment of the present invention, the second interlayer is attached to the black matrix and the second alignment film.
According to a preferred embodiment of the present invention, the composite material of polyethylene dioxythiophene and sodium polystyrene sulfonate is coated by any one of an alignment film printer, an inkjet printer, and a slit coater.
Has the advantages that: according to the liquid crystal display provided by the embodiment of the invention, the composite material of the polyethylene dioxythiophene and the sodium polystyrene sulfonate is used as the interlayer to reduce the reflectivity of the glass substrate, and the design can ensure that the existing liquid crystal factory not only benefits from the advantages of film forming uniformity, stability and adherence of the alignment film material, but also does not need to purchase additional coating equipment, so that the time and the capital cost are saved. In addition, the composite material of the polyethylene dioxythiophene and the sodium polystyrene sulfonate can be used as a transparent conductive film material, has a conductive effect and has the effect of reducing the reflectivity; the ITO material has excellent performance and low cost. The optimized glass substrate can be matched with array substrates with different structural designs, the cost is low, the antireflection effect is obvious, the reflection of light of the screen is reduced, the definition and the energy degree of a picture are further improved, the image is clearer and more vivid, and a consumer can experience the technical effect of better visual effect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a structural diagram of a liquid crystal display according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the liquid crystal display in the prior art, the COA technology is adopted, so that the reflectivity of the product is obviously greater than that of the non-COA technology, the display quality is influenced, and the consumer experience is poor.
As shown in fig. 1, the structure of the liquid crystal display provided by the embodiment of the invention can be seen from the figure, and the relative position relation among each component, the said liquid crystal display includes the first glass base plate 101 and second glass base plate 102 that is relatively set up at least, locate at said first glass base plate 101 and said second glass base plate 102 between liquid crystal layer 103, locate at said liquid crystal layer 103 first alignment membrane 104 and second alignment membrane 105 of both sides, locate at said first alignment membrane 104 back to said liquid crystal layer 103 side first interlay 106, locate at said second alignment membrane 105 back to said liquid crystal layer 103 side second interlay 107, locate at said first interlay 106 and said first glass base plate 101 between the color filter structure 108, and locate at said second interlay 107 and said second glass base plate 102 between the black matrix 109; the color filter structure 108 at least includes a color photoresist 110, and a first insulating layer 111 and a second insulating layer 112 located at two sides of the color photoresist.
The first interlayer 106 and the second interlayer 107 are made of a composite of polyethylene dioxythiophene and sodium polystyrene sulfonate, and the composite of polyethylene dioxythiophene and sodium polystyrene sulfonate has excellent corrosion resistance, high transmittance, high conductivity and excellent photoelectric performance, and can simultaneously achieve the effects of conductivity and reflectivity reduction; by using the composite material of the polyethylenedioxythiophene and the sodium polystyrene sulfonate as the antireflection layer, the reflectivity of the first glass substrate 101 and the second glass substrate 102 can be reduced, and the reflectivity of the first glass substrate 101 and the second glass substrate 102 can be reduced to an interval which is greater than or equal to one percent and less than or equal to ten percent.
Accordingly, the refractive index of the first interlayer 106 and the second interlayer 107 satisfies an interval of more than 1.6 and less than 1.75, and the thickness satisfies an interval of more than or equal to 100 nm and less than or equal to 500 nm.
In the preferred embodiment, the composite material of polyethylene dioxythiophene and sodium polystyrene sulfonate has conductive and penetrating properties, the light transmittance is in a range of more than 90%, the conductivity is in a range of more than or equal to 1S/cm and less than or equal to 10S/cm, and the surface resistance is less than 106The range of omega/sq is equivalent to the effect of a transparent conductive film, and can be used as an ITO (indium tin oxide) substituted material, and the product prepared by the composite material of the polyethylene dioxythiophene and the sodium polystyrene sulfonate has excellent performance, so that the manufacturing process and the material cost can be saved.
In this embodiment, it is required that the first interlayer 106 and the second interlayer 107 maintain good conductive and transmissive properties, so that the lcd can display normally, and at the same time, the composite material of the polyethylene dioxythiophene and the sodium polystyrene sulfonate of the first interlayer 106 also maintains good adhesion and coating properties, adhesion and adhesion with the contact interface of the second insulating layer 112 and the first alignment film 104; the composite material of the polyethylene dioxythiophene and the sodium polystyrene sulfonate of the second interlayer 107 also maintains good adhesion and coating property with the contact interface of the black matrix 109 and the second alignment film 105, and is adhered so that the liquid crystal display can normally display.
Preferably, the composite material of the polyethylene dioxythiophene and the sodium polystyrene sulfonate is coated by any one of an alignment film printer, an ink jet printer and a slit coater, and other coating equipment is not required to be purchased, so that the time and the capital cost are saved.
In summary, in the liquid crystal display provided in the embodiments of the present invention, the composite material of polyethylene dioxythiophene and sodium polystyrene sulfonate is used as the interlayer to reduce the reflectivity of the glass substrate, and such design can make the existing liquid crystal factory benefit from the advantages of film formation uniformity, stability and adhesion of the alignment film material, and no additional coating equipment is required, thereby saving time and capital cost. In addition, the composite material of the polyethylene dioxythiophene and the sodium polystyrene sulfonate can be used as a transparent conductive film material, has a conductive effect and has a reaction reducing effect; the ITO material has excellent performance and low cost. The optimized glass substrate can be matched with array substrates with different structural designs, the cost is low, the antireflection effect is obvious, the reflection of light of the screen is reduced, the definition and the energy degree of a picture are improved, the image is clearer and more vivid, a consumer can experience the technical effect of a better visual effect, and the technical problem that the product reflectivity is obviously larger than that of a non-COA technology due to the fact that the COA technology is adopted in a liquid crystal display in the prior art, the display quality is influenced, and the consumer can experience poor technical problems is solved.
The liquid crystal display provided by the embodiment of the invention is described in detail above. It should be understood that the exemplary embodiments described herein should be considered merely illustrative for facilitating understanding of the method of the present invention and its core ideas, and not restrictive.
Claims (7)
1. A liquid crystal display, comprising at least: the liquid crystal display panel comprises a first glass substrate, a second glass substrate, a liquid crystal layer, a first alignment film, a second alignment film, a first interlayer, a second interlayer, a color filter structure and a black matrix, wherein the first glass substrate and the second glass substrate are arranged oppositely, the liquid crystal layer is positioned between the first glass substrate and the second glass substrate, the first alignment film and the second alignment film are positioned on two sides of the liquid crystal layer, the first interlayer is positioned on one side, back to the liquid crystal layer, of the first alignment film, the second interlayer is positioned on one side, back to the liquid crystal layer, of the second alignment film, the color filter structure is positioned between the first interlayer and the first glass substrate, and the;
the material of the first interlayer and the second interlayer is composed of a compound of polyethylene dioxythiophene and sodium polystyrene sulfonate, and the compound material of the polyethylene dioxythiophene and the sodium polystyrene sulfonate has a function of reducing the reflectivity of the first glass substrate and the second glass substrate, so that the reflectivity of the first glass substrate and the second glass substrate meets an interval which is greater than or equal to one percent and less than or equal to ten percent;
the color filter structure at least comprises a color light resistor, a first insulating layer and a second insulating layer, wherein the first insulating layer and the second insulating layer are positioned on two sides of the color light resistor;
the first interlayer is adhered to the second insulating layer and the first alignment film; the second interlayer is adhered to the black matrix and the second alignment film;
and the second interlayer is adhered to the second glass substrate.
2. The liquid crystal display of claim 1, wherein the refractive indices of the first interlayer and the second interlayer satisfy an interval of more than 1.6 and less than 1.75.
3. The liquid crystal display of claim 2, wherein the first interlayer and the second interlayer have a thickness in a range of greater than or equal to 100 nm and less than or equal to 500 nm.
4. The liquid crystal display of claim 1, wherein the light transmittance of the composite material of polyethylene dioxythiophene and sodium polystyrene sulfonate satisfies an interval of more than 90%.
5. The liquid crystal display according to claim 1, wherein the electrical conductivity of the composite material of polyethylene dioxythiophene and sodium polystyrene sulfonate satisfies an interval of greater than or equal to 1S/cm and less than or equal to 10S/cm.
6. The liquid crystal display of claim 1, wherein the surface resistance of the composite material of polyethylene dioxythiophene and sodium polystyrene sulfonate satisfies less than 106The interval of omega/sq.
7. The liquid crystal display of claim 1, wherein the composite material of polyethylene dioxythiophene and sodium polystyrene sulfonate is coated by any one of an alignment film printer, an ink jet printer, and a slit coater.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910077797.8A CN109683370B (en) | 2019-01-28 | 2019-01-28 | Liquid crystal display |
| PCT/CN2019/086520 WO2020155465A1 (en) | 2019-01-28 | 2019-05-13 | Liquid crystal display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910077797.8A CN109683370B (en) | 2019-01-28 | 2019-01-28 | Liquid crystal display |
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| CN109683370A CN109683370A (en) | 2019-04-26 |
| CN109683370B true CN109683370B (en) | 2021-04-27 |
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| CN201910077797.8A Active CN109683370B (en) | 2019-01-28 | 2019-01-28 | Liquid crystal display |
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| WO (1) | WO2020155465A1 (en) |
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| CN109683370B (en) * | 2019-01-28 | 2021-04-27 | Tcl华星光电技术有限公司 | Liquid crystal display |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TW581914B (en) * | 1999-01-07 | 2004-04-01 | Matsushita Electric Ind Co Ltd | Reflective liquid crystal display device |
| KR100694574B1 (en) * | 2000-10-25 | 2007-03-13 | 엘지.필립스 엘시디 주식회사 | Reflective Liquid Crystal Display Device using a Cholesteric Liquid Crystal Color-filter and Method for fabricating the same |
| JP2002229009A (en) * | 2001-02-06 | 2002-08-14 | Seiko Epson Corp | Liquid crystal display and electronic device |
| US6734457B2 (en) * | 2001-11-27 | 2004-05-11 | Semiconductor Energy Laboratory Co., Ltd. | Light emitting device |
| JP5651961B2 (en) * | 2010-02-03 | 2015-01-14 | ソニー株式会社 | THIN FILM TRANSISTOR, MANUFACTURING METHOD THEREOF, AND ELECTRONIC DEVICE |
| CN202267802U (en) * | 2011-09-23 | 2012-06-06 | 天马微电子股份有限公司 | Bi-stable cholesteric liquid crystal display structure |
| KR102348687B1 (en) * | 2015-07-16 | 2022-01-07 | 삼성디스플레이 주식회사 | Display device |
| US10989964B2 (en) * | 2016-02-17 | 2021-04-27 | Sharp Kabushiki Kaisha | Liquid crystal display device |
| CN108089366B (en) * | 2017-12-06 | 2021-04-23 | Tcl华星光电技术有限公司 | Color film substrate and preparation method thereof |
| CN108594501B (en) * | 2018-02-26 | 2021-04-27 | 京东方科技集团股份有限公司 | Liquid crystal display panel and manufacturing method thereof |
| CN108873459A (en) * | 2018-07-17 | 2018-11-23 | 深圳市华星光电技术有限公司 | COA type display panel and display device |
| CN109164628B (en) * | 2018-09-27 | 2020-04-28 | 深圳市华星光电技术有限公司 | Display panel and display device |
| CN109683370B (en) * | 2019-01-28 | 2021-04-27 | Tcl华星光电技术有限公司 | Liquid crystal display |
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| WO2020155465A1 (en) | 2020-08-06 |
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