CN107861281A - A kind of flexible liquid crystal panel - Google Patents
A kind of flexible liquid crystal panel Download PDFInfo
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- CN107861281A CN107861281A CN201711292577.4A CN201711292577A CN107861281A CN 107861281 A CN107861281 A CN 107861281A CN 201711292577 A CN201711292577 A CN 201711292577A CN 107861281 A CN107861281 A CN 107861281A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 98
- 229920000642 polymer Polymers 0.000 claims abstract description 72
- 239000000758 substrate Substances 0.000 claims abstract description 48
- 239000012528 membrane Substances 0.000 claims abstract description 31
- 239000000178 monomer Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims description 15
- 239000004642 Polyimide Substances 0.000 claims description 13
- 229920001721 polyimide Polymers 0.000 claims description 13
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 6
- 239000005416 organic matter Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 229920005575 poly(amic acid) Polymers 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims 1
- 150000001412 amines Chemical class 0.000 claims 1
- 229920002647 polyamide Polymers 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 107
- 150000003254 radicals Chemical class 0.000 description 17
- 239000010408 film Substances 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 230000000903 blocking effect Effects 0.000 description 8
- 239000011159 matrix material Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000009413 insulation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical group [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910000809 Alumel Inorganic materials 0.000 description 1
- 229910000967 As alloy Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- -1 alloy Chemical class 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- RHZWSUVWRRXEJF-UHFFFAOYSA-N indium tin Chemical compound [In].[Sn] RHZWSUVWRRXEJF-UHFFFAOYSA-N 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000344 molecularly imprinted polymer Polymers 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- MGRWKWACZDFZJT-UHFFFAOYSA-N molybdenum tungsten Chemical compound [Mo].[W] MGRWKWACZDFZJT-UHFFFAOYSA-N 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- KYKLWYKWCAYAJY-UHFFFAOYSA-N oxotin;zinc Chemical group [Zn].[Sn]=O KYKLWYKWCAYAJY-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133305—Flexible substrates, e.g. plastics, organic film
-
- 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
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
- G02F1/133723—Polyimide, polyamide-imide
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)
- Spectroscopy & Molecular Physics (AREA)
- Liquid Crystal (AREA)
Abstract
A kind of flexible liquid crystal panel provided by the invention, the flexible liquid crystal panel includes color membrane substrates, array base palte and liquid crystal layer, include the first both alignment layers on the color membrane substrates, the array base palte includes the second both alignment layers, the liquid crystal layer is between first both alignment layers and second both alignment layers, the liquid crystal layer includes reactive monomer, the reactive monomer generates high molecular polymer in predefined conditions, together with the high molecular polymer and first both alignment layers and second both alignment layers are reacted and sticked together, the color membrane substrates are made to be connected with the array base palte by the high molecular polymer.Beneficial effect：Add the adhesion between color membrane substrates and array base palte so that the liquid crystal display panel remain to keep when bending is with plane as state；The increase of adhesion between color membrane substrates and array base palte, the polymer needed for liquid crystal layer can be reduced, so as to lift the optics penetrance of liquid crystal display panel.
Description
Technical field
The present invention relates to display panel manufacturing field, more particularly to a kind of flexible liquid crystal panel.
Background technology
Liquid crystal display (Liquid Crystal Display, LCD) is the display being most widely used in the market
Product, its production Technology is very ripe, and product yield is high, and production cost is relatively low, and market acceptance is high.
It is backlight liquid crystal display device that liquid crystal display on existing market is most of, it include liquid crystal display panel and
Backlight module.Usual liquid crystal display panel by color film (Color Filter, CF) substrate, array (Array) substrate, be sandwiched in color film
Liquid crystal and the sealing frame glue'' (Sealant) composition between substrate and array base palte, wherein, CF substrates mainly include passing through color blocking list
First (R/G/B) formed the chromatic filter layer of colored light, the black matrix" (Black Matrix, BM) for preventing pixel edge light leak,
And maintain the thick spacer material (Photo Spacer, PS) of box.Liquid crystal display is the control to liquid crystal molecular orientation by electric field
System, changes the polarization state of light, and realizes penetrating and stopping for light path by Polarizer, realizes the purpose of display.
With the continuous development of Display Technique, research staff have developed flexible display apparatus that is foldable or rolling, with
Traditional rigid display device (display device being produced on the base material of the inflexibility such as glass) is compared, flexible display apparatus
It is more convenient with many advantages, such as in light weight, small volume, carrying；Higher impact resistance and stronger anti-seismic performance.With
The continuous development of Display Technique, flexible display apparatus is more and more applied to because of its own flexible, foldable properties
Curved-surface display field, wearable display field etc., therefore, also turn into the focus of attention of display field in recent years.
Although the concept of flexible liquid crystal display is suggested very early, actual manufacture faces many difficulties, wherein such as
What makes plastic base adapt to whole processing procedure while keeps preferable optical appearance and how to keep thickness of the liquid crystal layer in bending
Degree and liquid crystal property are two key problems.Selection for flexible base board, a kind of common solution are that use can be with resistance to
By the plastic base of high temperature.And polymer molecule is mainly then added in liquid crystal for the solution of liquid crystal layer, it is this to do
On the one hand method can suppress everywhere flowing of the liquid crystal molecule between plastic base, on the other hand can also play connection upper and lower base plate
Effect, close state when so just can keep and keep flat when screen is in bending.
It is usually into after the completion of box processing procedure, under the irradiation of ultraviolet light, in liquid crystal layer that polymer is formed in liquid crystal layer
The light trigger mixed, which is activated, produces free radical, and the polymer monomer molecule mixed in these free radicals and then initiation liquid crystal enters
Row radical polymerization.Polymer is grown into and then produces phase separation with liquid crystal molecule, so as to form specific structure.At some
In the case of, the region of ultraviolet light is controlled, polymer can be caused to be formed in specific position.Due to these polymer be according to
Lean against to assemble in liquid crystal molecule and formed, it is therefore necessary to lift its adhesion between upper and lower base plate.
The content of the invention
The present invention provides a kind of flexible liquid crystal panel, to solve flexible liquid crystal panel upper and lower base plate in bending
Between the weak technical problem of adhesion.
To solve the above problems, technical scheme provided by the invention is as follows：
The present invention proposes a kind of flexible liquid crystal panel, wherein, the flexible liquid crystal panel includes；
Color membrane substrates, the color membrane substrates include first substrate and the first both alignment layers, and first both alignment layers are formed at institute
State on first substrate；
Array base palte, it is oppositely arranged with the color membrane substrates, the array base palte includes second substrate and the second both alignment layers,
Second both alignment layers are formed on the second substrate；
Liquid crystal layer, between first both alignment layers and second both alignment layers, the liquid crystal layer includes reactivity
Monomer, the reactive monomer generate high molecular polymer in predefined conditions, and the high molecular polymer is matched somebody with somebody with described first
Reacted to layer and the reactive double bond in second both alignment layers or acrylate structural and together with sticking together, make the color film base
Plate is connected with the array base palte by the high molecular polymer.
According to one preferred embodiment of the present invention, the reactive monomer in the liquid crystal layer polymerize and shape under ultraviolet light
Into the high molecular polymer, the high molecular polymer is retaining wall type polymer.
According to one preferred embodiment of the present invention, the reactive monomer in the liquid crystal layer forms the height through free crowd
Molecularly Imprinted Polymer, the high molecular polymer are network shaped polymer.
According to one preferred embodiment of the present invention, the body junction in the material of first both alignment layers and second both alignment layers
Structure is organic matter or inorganic matter；
Wherein, the organic matter is one kind in polyimides, polyamic acid.
According to one preferred embodiment of the present invention, described in the material of first both alignment layers and second both alignment layers
When agent structure is polyimides, the backbone structure of the polyimides includes side-chain radical, and the side-chain radical includes described
One kind in acrylate structural or the reactive double bond；
Wherein, the backbone structure of the polyimides is
According to one preferred embodiment of the present invention, the side-chain radical and the R1 and R2 in the backbone structure of the polyimides
It is connected,
Wherein, the side-chain radical includes In one kind.
According to one preferred embodiment of the present invention, the structure A in the side-chain radical is in-O- ,-COO- ,-CH2- groups
One kind, the repeat unit in the side-chain radical are one kind in straight or branched alkane, wherein, 1≤n≤30, n are integer.
According to one preferred embodiment of the present invention, each described side-chain radical, which includes m structure X, the structure X, includes anti-
Answering property double bond structure, the structure X areIn
One kind, wherein, 1≤m≤4, m are integer.
According to one preferred embodiment of the present invention, under different reaction conditions, the reactive double bond structure is described heavy
Shared ratio is different in multiple unit.
According to one preferred embodiment of the present invention, it is and described when the high molecular polymer is retaining wall type polymer architecture
The reactive double bond structure in first both alignment layers or second both alignment layers of the matching of retaining wall type polymer phase is in institute
It is a to state in repeat unit shared ratio, 0.1≤a≤0.5；
When the high molecular polymer is network-like polymer architecture, matched with the network-like polymer phase described in
The reactive double bond structure in first both alignment layers or second both alignment layers ratio shared in the repeat unit is
B, 0.05≤b≤0.1.
Beneficial effects of the present invention are：Compared to prior art, a kind of flexible liquid crystal panel provided by the invention, lead to
Cross and the reactive monomer in liquid crystal layer is generated into high molecular polymer in predefined conditions so that the high molecular polymer and
One both alignment layers and the second both alignment layers are reacted and together with sticking together, and color membrane substrates and array base palte is passed through the high molecular polymer
It is connected, increases the adhesion between color membrane substrates and array base palte so that the liquid crystal display panel is in bending and plane
Remain to keep the same state；In addition, the increase of the adhesion between color membrane substrates and array base palte, can reduce institute in liquid crystal layer
The polymer needed, so as to lift the optics penetrance of liquid crystal display panel.
Brief description of the drawings
, below will be to embodiment or prior art in order to illustrate more clearly of embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only some invented
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also be attached according to these
Figure obtains other accompanying drawings.
Fig. 1 is a kind of film layer structure figure of flexible liquid crystal panel of the preferred embodiment of the present invention one；
Fig. 2 is a kind of reacted film layer structure figure of the flexible liquid crystal panel of the preferred embodiment of the present invention one；
Fig. 3 is a kind of film layer structure figure of flexible liquid crystal panel of the preferred embodiment of the present invention two.
Embodiment
The explanation of following embodiment is with reference to additional diagram, to illustrate the particular implementation that the present invention can be used to implementation
Example.The direction term that the present invention is previously mentioned, such as [on], [under], [preceding], [rear], [left side], [right side], [interior], [outer], [side]
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used is to illustrate and understand the present invention, and is not used to
The limitation present invention.In figure, the similar unit of structure is represented to identical label.
The present invention proposes a kind of flexible liquid crystal panel, wherein, the flexible liquid crystal panel includes：Color film base
The array base palte that plate and the color membrane substrates are oppositely arranged and the liquid between the color membrane substrates and the array base palte
Crystal layer 101.
The color membrane substrates include first substrate 102 and black matrix"；The black matrix" includes a plurality of for blocking
The level shadow bar of scan line, and a plurality of vertical shading strip for being used to block data wire；
Wherein, it is preferred that the first substrate 102 is usually monocrystalline silicon or polysilicon, on the first substrate 102
One layer of black matrix" is initially formed, the black matrix" is lighttight photoresist；In addition, the color membrane substrates also include color
Resistance layer, common electrode layer and the first both alignment layers 103, wherein, the color blocking layer includes red color resistance, green color blocking and blueness
Color blocking, each film crystal pipe unit correspond to one of color blocking；
Between the color blocking layer or black matrix" and the common electrode layer, in addition to one layer armor coated, by institute
Color blocking layer and black matrix" covering are stated, to ensure the armor coated planarization；
On the coating layer, one layer of common electrode layer is deposited, the material of the public electrode is zinc-tin oxide and oxygen
Change the transparent conductive materials such as indium tin；Wherein, first both alignment layers 103 are formed in the common electrode layer.
The array base palte includes second substrate 104, tft layer 105, pixel electrode layer and the second both alignment layers
106；The tft layer 105 include cushion, active layer, gate insulation layer, grid layer, an insulating barrier, source-drain electrode layer with
And passivation layer；
The cushion is arranged at the surface of the second substrate 104, and the active layer is arranged at the table of the cushion
Face；The gate insulation layer is arranged at the surface of the active layer, and the active layer and the cushion are completely covered；Utilize
Chemical method deposits gate insulator on the active layer, and in the present embodiment, the material of the gate insulator is nitridation
Silicon, silica and silicon oxynitride etc. can also be used；The grid layer is formed at the gate electrode insulation surface, the grid layer by
The first metal layer it is patterned processing and form the grid and grid line of thin film transistor (TFT)；Preferably, sunk using magnetron sputtering technique
Product the first metal layer film, in the present embodiment, the material of the first metal layer can use molybdenum, aluminium, alumel, molybdenum tungsten
The metals such as alloy, chromium or copper, the combining structure of above-mentioned different materials film can also be used；Described insulating barrier, is arranged at institute
The first metal layer surface is stated, the first metal layer and the gate insulation layer are covered, to by the first metal layer and institute
State second metal layer isolation；The source-drain electrode be formed at it is described between on insulating barrier, the source-drain electrode is by second metal layer through figure
Caseization handles and forms source electrode and the drain electrode of the tft layer, the material of the second metal layer and first metal
The material of layer is identical；
In addition, the pixel electrode is formed on the passivation layer, and it is identical with the material of the public electrode, it is zinc oxide
The transparent conductive material such as tin and tin indium oxide；Wherein, second both alignment layers 106 are formed on the pixel electrode.
The liquid crystal layer 101 is formed between the color membrane substrates and array overtime work, and the liquid crystal layer 101 includes liquid
Brilliant molecule 107 and reactive monomer 108, it is preferred that the liquid crystal layer 101 also includes light trigger, polymerization inhibitor or antioxidant；
Wherein, it just can also be negative that the dielectric constant of liquid crystal molecule 107, which can be,：Liquid crystal molecule 107 is positivity liquid crystal, right
The orientation answered is horizon light orientation, and display pattern is TN patterns, interchangeable, and liquid crystal molecule 107 can also be negative liquid crystal, right
The orientation answered is vertical light orientation, and display pattern is VA patterns.
Specifically, in the present invention in preferred embodiment, the reactive monomer 108 generates macromolecule in predefined conditions
Polymer, the predetermined condition include ultraviolet light, photochemical catalyst etc., the high molecular polymer of generation and described first
Both alignment layers 103 and the reactive double bond in second both alignment layers 106 or acrylate structural react and together with sticking together, and make institute
Color membrane substrates are stated with the array base palte by the high molecular polymer to be connected.
Specifically, the agent structure in the material of first both alignment layers 103 and second both alignment layers 106 is organic matter
Or inorganic matter, such as some macromolecule membranes, in specific organic matter, mainly based on polyimides, polyamic acid；It is preferred that
, the material in first both alignment layers 103 and second both alignment layers 106 is introduced by taking polyimides as an example below.
The backbone structure of the polyimides isIncluding side-chain radical, wherein, institute
Stating side-chain radical includes one kind in acrylate structural or reactive double bond, and reacted with the high molecular polymer
Group is the reactive double bond；
Specifically, the side-chain radical is connected with the R1 in the backbone structure of the polyimides and R2, the side chain radical
Group includes
In above-mentioned side-chain radical, what structure A was represented is one kind in-O- ,-COO- ,-CH2- groups, the side chain radical
Repeat unit in group is one kind in straight or branched alkane, and the repeat unit is generated by polycondensation polymerisation；Wherein, 1
≤ n≤30, n are integer, it is preferred that n optimum range is 5≤n≤20；
In above-mentioned side-chain radical, each described side-chain radical all includes m structure X, wherein, the structure X includes
The reactive double bond structure reacted with the high molecular polymer, and under different reaction conditions, the reactive double bond knot
Structure ratio shared in the repeat unit is different, and the structure X is In one kind, wherein, 1≤m≤4, m are integer.
In a preferred embodiment, the reactive monomer 108 in the liquid crystal layer 101 gathers under ultraviolet light
Close and form the high molecular polymer, the high molecular polymer is retaining wall type polymer 110；
Specifically, as shown in figure 1, it is a kind of film layer structure of flexible liquid crystal panel of the preferred embodiment of the present invention one
Figure, liquid crystal layer 101 can be irradiated using the ultraviolet light of specific wavelength in the side of array base palte or color membrane substrates, used
The mask plate of specific structure, such as orthogonal regular mask plate so that the reactive monomer 108 in liquid crystal layer 101 exists
It polymerize in the presence of ultraviolet light, such as Fig. 1 dashed regions 109, reactive monomer 108 is polymerize in the position for having ultraviolet light
Form retaining wall type polymer 110 as shown in Figure 2, and in the region of no ultraviolet light, reactive monomer 108 will not be
Liquid crystal layer 101 carries out polymerisation.
In the present embodiment, when the high molecular polymer is retaining wall type 110 structure of polymer, match somebody with somebody with described first
When being matched to layer 103 or second both alignment layers 106, general use contains a high proportion of reactive double bond structure,
Wherein, described is at high proportion a for reactive double bond structure ratio shared in the repeat unit, and span is
0.1≤a≤0.5。
In another preferred embodiment of the present invention, reactive monomer 208 in the liquid crystal layer 101 through free crowd or
The high molecular polymer is formed under ultraviolet light, the high molecular polymer is network shaped polymer 210；
Specifically, as shown in figure 3, it is a kind of film layer structure of flexible liquid crystal panel of the preferred embodiment of the present invention two
Figure, liquid crystal layer 201 can be irradiated using the ultraviolet light of specific wavelength in the side of array base palte or color membrane substrates, used
Mask plate forms certain structure or does not use mask plate so that with liquid crystal to separating after the free crowd of reactive monomer 108, shape
Into network-like polymer architecture；Wherein, the mask plate employed in the present embodiment and the difference in specific embodiment one；
In the present embodiment, when the high molecular polymer is network 210 structure of shaped polymer, match somebody with somebody with described first
It is general to use the reactive double bond structure containing low ratio when being matched to layer 203 or second both alignment layers 206,
Wherein, described is at high proportion b for reactive double bond structure ratio shared in the repeat unit, 0.05≤b≤
0.1。
In embodiment one and embodiment two, the both ends of the high molecular polymer respectively with color membrane substrates and array base palte
Connection, and when the liquid crystal display panel is bent, the high molecular polymer plays " bullet in display panel
The effect of spring ", increase the adhesion between color membrane substrates and array base palte；
Further, since retaining wall type polymer and the liquid crystal technology corresponding to network shaped polymer differ：Corresponding to the former
Be PWLC (polymer wall liquid crystal, polymer molecule liquid crystal wall) technology, for such liquid crystal technology,
When there is the intervention of ultraviolet light, the reactive monomer in liquid crystal can be caused to polymerize to form high molecular polymer, it is flexible so as to reach
Display, accelerate the effect such as liquid crystal response time；Other polymers liquid crystal technology corresponding to the latter, for such liquid crystal technology,
Light shield is not needed largely in exposure so that with liquid crystal to separating after reactive monomer free crowd.
A kind of flexible liquid crystal panel provided by the invention, the flexible liquid crystal panel include color membrane substrates, battle array
Row substrate and liquid crystal layer, include the first both alignment layers on the color membrane substrates, the array base palte includes the second both alignment layers, described
For liquid crystal layer between first both alignment layers and second both alignment layers, the liquid crystal layer includes reactive monomer, described
Reactive monomer generates high molecular polymer in predefined conditions, the high molecular polymer and first both alignment layers and described
Second both alignment layers are reacted and sticked together together, the color membrane substrates and the array base palte is passed through the high molecular polymer phase
Connection, increase the adhesion between color membrane substrates and array base palte so that the liquid crystal display panel in bending and plane still
The same state can be kept；In addition, the increase of the adhesion between color membrane substrates and array base palte, can be reduced needed for liquid crystal layer
Polymer, so as to lift the optics penetrance of liquid crystal display panel.
In summary, although the present invention is disclosed above with preferred embodiment, above preferred embodiment simultaneously is not used to limit
The system present invention, one of ordinary skill in the art, without departing from the spirit and scope of the present invention, it can make various changes and profit
Decorations, therefore protection scope of the present invention is defined by the scope that claim defines.
Claims (10)
- A kind of 1. flexible liquid crystal panel, it is characterised in that including；Color membrane substrates, the color membrane substrates include first substrate and the first both alignment layers, and first both alignment layers are formed at described On one substrate；Array base palte, it is oppositely arranged with the color membrane substrates, the array base palte includes second substrate and the second both alignment layers, described Second both alignment layers are formed on the second substrate；Liquid crystal layer, between first both alignment layers and second both alignment layers, the liquid crystal layer includes reactive monomer, The reactive monomer generates high molecular polymer in predefined conditions, the high molecular polymer and first both alignment layers and Reactive double bond or acrylate structural in second both alignment layers react and sticked together together, make the color membrane substrates and institute Array base palte is stated by the high molecular polymer to be connected.
- 2. flexible liquid crystal panel according to claim 1, it is characterised in that the reactive monomer in the liquid crystal layer It polymerize under ultraviolet light and forms the high molecular polymer, the high molecular polymer is retaining wall type polymer.
- 3. flexible liquid crystal panel according to claim 1, it is characterised in that the reactive monomer in the liquid crystal layer The high molecular polymer is formed through free crowd, the high molecular polymer is network shaped polymer.
- 4. flexible liquid crystal panel according to claim 1, it is characterised in that first both alignment layers and described second Agent structure in the material of both alignment layers is organic matter or inorganic matter；Wherein, the organic matter is one kind in polyimides, polyamic acid.
- 5. flexible liquid crystal panel according to claim 4, it is characterised in that when first both alignment layers and described When the agent structure in the material of two both alignment layers is polyimides, the backbone structure of the polyimides includes side chain radical Group, the side-chain radical include one kind in the acrylate structural or the reactive double bond；Wherein, the backbone structure of the polyimides is
- 6. flexible liquid crystal panel according to claim 5, it is characterised in that the side-chain radical is sub- with the polyamides R1 in the backbone structure of amine is connected with R2,Wherein, the side-chain radical includes In It is a kind of.
- 7. flexible liquid crystal panel according to claim 6, it is characterised in that structure A in the side-chain radical for- One kind in O- ,-COO- ,-CH2- groups, the repeat unit in the side-chain radical are one kind in straight or branched alkane, Wherein, 1≤n≤30, n are integer.
- 8. flexible liquid crystal panel according to claim 7, it is characterised in that each described side-chain radical includes m Individual structure X, the structure X include reactive double bond structure, and the structure X is In one kind, wherein, 1≤m ≤ 4, m are integer.
- 9. flexible liquid crystal panel according to claim 8, it is characterised in that described under different reaction conditions Reactive double bond structure ratio shared in the repeat unit is different.
- 10. flexible liquid crystal panel according to claim 9, it is characterised in that when the high molecular polymer is gear During wall polymer architecture, in first both alignment layers or second both alignment layers that are matched with the retaining wall type polymer phase Reactive double bond structure ratio shared in the repeat unit is a, 0.1≤a≤0.5；When the high molecular polymer is network-like polymer architecture, matched with the network-like polymer phase described first Ratio of the reactive double bond structure shared by the repeat unit in both alignment layers or second both alignment layers is b, 0.05≤b≤0.1。
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| CN109651543A (en) * | 2018-12-21 | 2019-04-19 | 深圳市华星光电半导体显示技术有限公司 | Liquid crystal cell and its manufacturing method, optical polymerism composition |
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Application publication date: 20180330 |