CN105974675A - Flexible display panel and manufacturing method thereof - Google Patents
Flexible display panel and manufacturing method thereof Download PDFInfo
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- CN105974675A CN105974675A CN201610552968.4A CN201610552968A CN105974675A CN 105974675 A CN105974675 A CN 105974675A CN 201610552968 A CN201610552968 A CN 201610552968A CN 105974675 A CN105974675 A CN 105974675A
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- flexible base
- base board
- liquid crystal
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—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
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133305—Flexible substrates, e.g. plastics, organic film
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- 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
The invention provides a flexible display panel and a manufacturing method thereof. A first polymer film and a second polymer film which area arranged on a first flexible substrate and a second flexible substrate respectively and a polymer network located between the first polymer film and the second polymer film are prepared by adopting a manufacturing process; the first polymer film and the second polymer film can replace traditional alignment films to achieve the effect of aligning liquid crystal molecules, the polymer network can enable the liquid crystal molecules to be limited in grids of the polymer network, therefore, wide-range flowing of the liquid crystal molecules is prevented, liquid crystal alignment abnormity is eliminated, the display quality of the flexible display panel is promoted, and the service life of the flexible display panel is prolonged; meanwhile, the first polymer film and the second polymer film further have the effect of increasing the voltage holding ratio of the flexible display panel, and therefore the product reliability is improved.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of flexible display panels and preparation method thereof.
Background technology
Along with plane display dresses such as the development of Display Technique, liquid crystal displays (Liquid Crystal Display, LCD)
Put because having that high image quality, power saving, fuselage be thin and the advantage such as applied range, and be widely used in mobile phone, TV, individual number
The various consumption electronic products such as word assistant, digital camera, notebook computer, desk computer, become the master in display device
Stream.
Liquid crystal indicator major part on existing market is backlight liquid crystal display, it include display panels and
Backlight module (backlight module).The operation principle of display panels is to put in the middle of the glass substrate that two panels is parallel
Put liquid crystal molecule, have the tiny electric wire of many vertical and horizontals in the middle of two panels glass substrate, control liquid crystal by whether being energized
Molecular changes direction, reflects generation picture by the light of backlight module.
Generally display panels is by color film (Color Filter, CF) substrate, thin film transistor (TFT) (Thin Film
Transistor, TFT) substrate, the liquid crystal (Liquid Crystal, LC) that is sandwiched between color membrane substrates and thin film transistor base plate
And fluid sealant frame (Sealant) composition.
Common TFT-LCD liquid crystal display is capable of giant-screen, high-precision refinement, has and can realize bigger color table
The feature of existing scope, the display screen as high-quality has been obtained for being widely applied.But liquid crystal display typically requires to be used
Bi-material: (1) liquid crystal material, liquid crystal, originally as liquid, has mobility, it is desirable to have sequence arranges；(2) aligning film material
(PI), Main Function is to make liquid crystal molecule arrange according to a certain direction, because of PI originally as the material of polyimide, bending property
It is restricted.But, along with liquid crystal display is increasingly becoming liquid towards the development of very thinization Yu flexibility direction, both materials
The restrictive factor of crystal display development, by traditional liquid crystal applications in flexible display panels, flexible display panels can go out
Now showing bad situation, this can flow along with the bending of flexible base board mainly due to liquid crystal, causes LCD alignment
Abnormal；How liquid crystal is limited the most nonvoluntary flowing, become the key solving this problem.
Summary of the invention
It is an object of the invention to provide a kind of flexible display panels, the flowing on a large scale of liquid crystal molecule can be prevented, eliminate
LCD alignment is abnormal, promotes display quality and the service life of flexible display panels.
The present invention also aims to provide the manufacture method of a kind of flexible display panels, the big model of liquid crystal molecule can be prevented
Enclose flowing, eliminate LCD alignment abnormal, promote display quality and the service life of flexible display panels, and processing procedure is simple, produces
Low cost.
For achieving the above object, the present invention provides a kind of flexible display panels, including the first flexible base board being oppositely arranged
With the second flexible base board, be located on described first flexible base board the first thin polymer film towards the second flexible base board side, set
On described second flexible base board towards the first flexible base board side the second thin polymer film, be located at described first polymer thin
Between film and the second thin polymer film and connect described first thin polymer film and the polymeric web of the second thin polymer film respectively
Network and be located between described first thin polymer film and the second thin polymer film and be distributed in the liquid in described polymer network
Brilliant molecule；
Described first thin polymer film, the second thin polymer film and polymer network are taken with vertical by polymerisable monomer
It is polymerized to agent.
The thickness of described first thin polymer film and the second thin polymer film is respectively
Described vertical-tropism agent includes at least one in following compound:
Described polymerisable monomer includes that acrylate, acrylate derivative, methacrylate, methacrylate spread out
At least one in biology, styrene, styrene derivative and epoxy resin.
Described first flexible base board includes the first underlay substrate, is located on described first underlay substrate towards described second soft
First electrode of property substrate side, it is located on described first underlay substrate the first optics away from described second flexible base board side
Compensate film and be located at the first polaroid on described first optical compensation films；
Described second flexible base board includes the second underlay substrate, is located on described second underlay substrate towards described first soft
The property chromatic filter layer of substrate side, the second electrode being located on described chromatic filter layer, it is located on described second underlay substrate
Away from the second optical compensation films of described first flexible base board side and be located at the second polarisation on described second optical compensation films
Sheet.
The present invention also provides for the manufacture method of a kind of flexible display panels, comprises the steps:
Step 1, provide the first flexible base board and the second flexible base board；
Step 2, offer liquid crystal compound, described liquid crystal compound includes liquid crystal molecule, vertical-tropism agent, polymerizable list
Body and light trigger；Described liquid crystal compound is instilled on described first flexible base board or the second flexible base board；
Step 3, offer fluid sealant, corresponding described liquid crystal mixing on described second flexible base board or the first flexible base board
The peripheral applying paste of thing；
Described first flexible base board and the second flexible base board are fit together, fluid sealant is solidified；
Now, the vertical-tropism agent in described liquid crystal compound is adsorbed in described first, second flexible base board surface, and hangs down
Directly in described first, second flexible base board arrangement, thus liquid crystal molecule is guided to be perpendicular to described first, second flexible base board row
Row；
Step 4, described liquid crystal compound both sides apply voltage, liquid crystal molecule deflects, at described liquid crystal compound
While both sides continue to voltage, liquid crystal compound is carried out ultraviolet light for the first time and irradiates, hanging down in described liquid crystal compound
Straight alignment agent and polymerisable monomer generation polyreaction, form the first polymer on described first, second flexible base board respectively
Thin film and the second thin polymer film, formed between described first, second thin polymer film simultaneously connect respectively described first, the
The polymer network of dimerization compound thin film；
Step 5, remove the voltage of described liquid crystal compound both sides after, at described first thin polymer film and the second polymer
Under the effect of the polymer network between thin film, liquid crystal molecule produces tilt angle；
Described liquid crystal compound carries out second time ultraviolet light irradiate, make in described liquid crystal compound the vertical orientated of residual
Agent is reacted completely with polymerisable monomer, obtains a flexible display panels.
In described step 1, described first flexible base board includes the first underlay substrate, is located at court on described first underlay substrate
The first electrode to described second flexible base board side, it is located on described first underlay substrate away from described second flexible base board one
First optical compensation films of side and be located at the first polaroid on described first optical compensation films；
Described second flexible base board includes the second underlay substrate, is located on described second underlay substrate towards described first soft
The property chromatic filter layer of substrate side, the second electrode being located on described chromatic filter layer, it is located on described second underlay substrate
Away from the second optical compensation films of described first flexible base board side and be located at the second polarisation on described second optical compensation films
Sheet.
In described step 2, in described liquid crystal compound, the mass percent of described liquid crystal molecule is 94.0～98.6%,
The mass percent of described vertical-tropism agent is 1.0～5.0%, the mass percent of described polymerisable monomer be 0.3～
0.5%, the mass percent of described light trigger is 0.1～0.5%.
Described vertical-tropism agent includes at least one in following compound:
Described polymerisable monomer includes that acrylate, acrylate derivative, methacrylate, methacrylate spread out
At least one in biology, styrene, styrene derivative and epoxy resin.
In described step 4, the voltage applied in described liquid crystal compound both sides is 13～25V, described first time ultraviolet light
The energy irradiated is 85～100mW/cm2, irradiation time is 20～30min；
In described step 5, the energy that described second time ultraviolet light irradiates is 85～100mW/cm2, irradiation time be 90～
120min。
In the flexible display panels that described step 5 obtains, described first thin polymer film and the thickness of the second thin polymer film
Degree is respectively
Beneficial effects of the present invention: a kind of flexible display panels that the present invention provides and preparation method thereof, by using one
Road processing procedure is formed and is respectively arranged on the first thin polymer film on the first flexible base board and the second flexible base board and the second polymer thin
Film and the polymer network between the first thin polymer film and the second thin polymer film, described first thin polymer film
May replace traditional alignment film with the second thin polymer film, play the effect to liquid crystal alignment, described polymer network can
So that liquid crystal molecule is limited in its grid, prevent the flowing on a large scale of liquid crystal molecule, eliminate LCD alignment abnormal, promote flexibility
The display quality of display floater and service life；Meanwhile, described first thin polymer film and the second thin polymer film also have and carry
The effect of the voltage retention of high flexibility display floater, improving product reliability.
In order to be able to be further understood that inventive feature and technology contents, refer to below in connection with the present invention is detailed
Illustrate and accompanying drawing, but accompanying drawing only provides reference and explanation use, be not used for the present invention is any limitation as.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings, by the detailed description of the invention of the present invention is described in detail, technical scheme will be made
And other beneficial effect is apparent.
In accompanying drawing,
Fig. 1 is the structural representation of the flexible display panels of the present invention；
Fig. 2 is the flow chart of the manufacture method of the flexible display panels of the present invention；
Fig. 3 is the schematic diagram of step 1-3 of the manufacture method of the flexible display panels of the present invention；
Fig. 4-5 is the schematic diagram of the step 4 of the manufacture method of the flexible display panels of the present invention；
Fig. 6 is the schematic diagram of the step 5 of the manufacture method of the flexible display panels of the present invention.
Detailed description of the invention
By further illustrating the technological means and effect, being preferable to carry out below in conjunction with the present invention that the present invention taked
Example and accompanying drawing thereof are described in detail.
Refer to Fig. 1, present invention firstly provides a kind of flexible display panels, including the first flexible base board 10 being oppositely arranged
With the second flexible base board 20, be located at the first polymer thin towards the second flexible base board 20 side on described first flexible base board 10
Film 31, it is located on described second flexible base board 20 the second thin polymer film 32 towards the first flexible base board 10 side, is located at institute
State between the first thin polymer film 31 with the second thin polymer film 32 and be connected described first thin polymer film 31 and second respectively
The polymer network 33 of thin polymer film 32 and being located between described first thin polymer film 31 and the second thin polymer film 32
And it is distributed in the liquid crystal molecule 41 in described polymer network 33；
Described first thin polymer film the 31, second thin polymer film 32 and polymer network 33 are by polymerisable monomer
(RM, Reactive Monomers) 51 is polymerized with vertical-tropism agent 52.
Concrete, described first thin polymer film 31 and the second thin polymer film 32 each serve as the work of upper and lower alignment film
With, described polymer network 33 can make, in the grid that liquid crystal molecule 41 is limited to polymer network 33, to prevent liquid crystal molecule 41
Flowing on a large scale, eliminate LCD alignment abnormal.
Concrete, the thickness of described first thin polymer film 31 and the second thin polymer film 32 is respectively
Concrete, the width in the gap between described first thin polymer film 31 and the second thin polymer film 32, Ye Jisuo
The height stating polymer network 33 is 3～5 μm.
Concrete, described vertical-tropism agent 52 can include at least one in following compound:
Concrete, described polymerisable monomer 51 can include acrylate, acrylate derivative, methacrylate,
At least one in methacrylate derivative, styrene, styrene derivative and epoxy resin.
Preferably, at least one during described methacrylate includes following two compound:
Concrete, described liquid crystal molecule 41 is positive type liquid crystal or negative type liquid crystal.
Concrete, described light trigger include 2-hydroxy-2-methyl-1-phenylacetone, 1-hydroxycyclohexyl phenyl ketone,
2-methyl-2-(4-morpholinyl)-1-[4-(methyl mercapto) phenyl]-1-acetone, 2,4,6-trimethylbenzoy-dipheny aoxidize
Phosphine, 2,4,6-trimethylbenzoyl phenyl phosphinic acid ethyl ester and 2-dimethylamino-2-benzyl-1-[4-(4-morpholinyl) phenyl]-
At least one in 1-butanone.
Concrete, described flexible display panels also include being located at described first flexible base board 10 and the second flexible base board 20 it
Between and be positioned at the fluid sealant 60 of described liquid crystal molecule 41 and polymer network 33 periphery.
Further, also include being located between described first flexible base board 10 and the second flexible base board 20 and being positioned at described close
The conducting resinl 70 of sealing 60 periphery.
Concrete, described first flexible base board 10 includes the first underlay substrate 11, is located on described first underlay substrate 11
Towards described second flexible base board 20 side the first electrode 12, be located on described first underlay substrate 11 away from described second soft
First optical compensation films 13 of property substrate 20 side and be located at the first polaroid 14 on described first optical compensation films 13；
Concrete, described second flexible base board 20 includes the second underlay substrate 21, is located on described second underlay substrate 21
Towards the chromatic filter layer 22 of described first flexible base board 10 side, the second electrode 23 being located on described chromatic filter layer 22,
It is located on described second underlay substrate 21 the second optical compensation films 24 away from described first flexible base board 10 side and is located at institute
State the second polaroid 25 on the second optical compensation films 24.
Concrete, the material of described first underlay substrate 11 and the second underlay substrate 21 is organic polymer material, as
Polyimides (PI) or polyethylene terephthalate (PET).
Concrete, described first electrode 12 and the second electrode 23 are transparency electrode, described first electrode 12 and the second electricity
The material of pole 23 is transparent conductive metal oxide, such as tin indium oxide.
Concrete, described chromatic filter layer 22 includes black matrix" 221 and by the spaced apart several colours of black matrix" 221
Optical filter 223, described several colored filters 223 include several Red lightscreening plate, several green color filter and several blue filter
Mating plate.
Above-mentioned flexible display panels, by arranging polymeric web between the first flexible base board 10 and the second flexible base board 20
Network 33, makes liquid crystal molecule 41 be limited in the grid of polymer network 33, prevents the flowing on a large scale of liquid crystal molecule 41, eliminates liquid
Brilliant orientation is abnormal, promotes display quality and the service life of flexible display panels, uses simultaneously and is respectively arranged on described first flexibility
The alignment film that the first thin polymer film 31 on substrate 10 and the second flexible base board 20 is traditional with the second thin polymer film 32 replacement,
Described first thin polymer film 31 and the second thin polymer film 32 and polymer network 33 can be formed in same processing procedure, processing procedure letter
Single, production cost is low；Further, described first thin polymer film 31 and the second thin polymer film 32 also have raising Flexible Displays face
The effect of the voltage retention of plate, improving product reliability.
Referring to Fig. 2, the present invention also provides for the manufacture method of a kind of flexible display panels, comprises the steps:
Step 1, refer to Fig. 3, it is provided that the first flexible base board 10 and the second flexible base board 20.
Concrete, described first flexible base board 10 includes the first underlay substrate 11, is located on described first underlay substrate 11
Towards described second flexible base board 20 side the first electrode 12, be located on described first underlay substrate 11 away from described second soft
First optical compensation films 13 of property substrate 20 side and be located at the first polaroid 14 on described first optical compensation films 13；
Concrete, described second flexible base board 20 includes the second underlay substrate 21, is located on described second underlay substrate 21
Towards the chromatic filter layer 22 of described first flexible base board 10 side, the second electrode 23 being located on described chromatic filter layer 22,
It is located on described second underlay substrate 21 the second optical compensation films 24 away from described first flexible base board 10 side and is located at institute
State the second polaroid 25 on the second optical compensation films 24.
Concrete, the material of described first underlay substrate 11 and the second underlay substrate 21 is organic polymer material, as
Polyimides (PI) or polyethylene terephthalate (PET).
Concrete, described first electrode 12 and the second electrode 23 are transparency electrode, described first electrode 12 and the second electricity
The material of pole 23 is transparent conductive metal oxide, such as tin indium oxide.
Concrete, described chromatic filter layer 22 includes black matrix" 221 and by the spaced apart several colours of black matrix" 221
Optical filter 223, described several colored filters 223 include several Red lightscreening plate, several green color filter and several blue filter
Mating plate.
Step 2, referring to Fig. 3, it is provided that liquid crystal compound, described liquid crystal compound includes liquid crystal molecule 41, vertical orientated
Agent 52, polymerisable monomer 51 and light trigger (Initiator)；Described liquid crystal compound is instilled into the described first flexible base
On plate 10 or the second flexible base board 20.
Concrete, in described liquid crystal compound, the mass percent of described liquid crystal molecule 41 is 94.0～98.6%, described
The mass percent of vertical-tropism agent 52 is 1.0～5.0%, the mass percent of described polymerisable monomer 51 be 0.3～
0.5%, the mass percent of described light trigger is 0.1～0.5%.
Concrete, described vertical-tropism agent 52 can include at least one in following compound:
Concrete, described polymerisable monomer 51 can include acrylate, acrylate derivative, methacrylate,
At least one in methacrylate derivative, styrene, styrene derivative and epoxy resin.
Preferably, at least one during described methacrylate includes following two compound:
Concrete, described liquid crystal molecule 41 is positive type liquid crystal or negative type liquid crystal.
Concrete, described light trigger include 2-hydroxy-2-methyl-1-phenylacetone, 1-hydroxycyclohexyl phenyl ketone,
2-methyl-2-(4-morpholinyl)-1-[4-(methyl mercapto) phenyl]-1-acetone, 2,4,6-trimethylbenzoy-dipheny aoxidize
Phosphine, 2,4,6-trimethylbenzoyl phenyl phosphinic acid ethyl ester and 2-dimethylamino-2-benzyl-1-[4-(4-morpholinyl) phenyl]-
At least one in 1-butanone.
Step 3, refer to Fig. 3, it is provided that fluid sealant 60, on described second flexible base board 20 or the first flexible base board 10
The peripheral applying paste 60 of corresponding described liquid crystal compound；
Described first flexible base board 10 is fit together with the second flexible base board 20, fluid sealant 60 is solidified；
Now, the vertical-tropism agent 52 in described liquid crystal compound is adsorbed in described first, second flexible base board 10,20 table
Face, and be perpendicular to described first, second flexible base board 10,20 arrangement, thus guide liquid crystal molecule 41 be perpendicular to described first, the
Two flexible base board 10,20 arrangements.
Concrete, in described step 3, in vacuum environment, described first flexible base board 10 is pasted with the second flexible base board 20
It is combined.
Concrete, described step 3 also includes: corresponding close on described second flexible base board 20 or the first flexible base board 10
The peripheral applying conductive glue 70 of sealing 60.
Concrete, the mode solidifying fluid sealant 60 includes at least one in heat cure and UV solidification.
Step 4, referring to Fig. 4-5, apply voltage in described liquid crystal compound both sides, liquid crystal molecule 41 deflects,
While described liquid crystal compound both sides continue to voltage, liquid crystal compound is carried out ultraviolet light (UV) for the first time and irradiates, institute
There is polyreaction with polymerisable monomer 51 in the vertical-tropism agent 52 stated in liquid crystal compound, at described first, second flexible base
The first thin polymer film 31 and the second thin polymer film 32 is formed respectively, simultaneously at described first, second polymer on plate 10,20
The polymer network 33 connecting described first, second thin polymer film 31,32 respectively is formed between thin film 31,32.
Concrete, in described step 4, the voltage applied in described liquid crystal compound both sides is 13～25V；Described first time
The energy that ultraviolet light irradiates is 85～100mW/cm2, irradiation time is 20～30min.
Step 5, refer to Fig. 6, after removing the voltage of described liquid crystal compound both sides, at described first thin polymer film 31
And under the effect of the polymer network 33 between the second thin polymer film 32, liquid crystal molecule 41 produces tilt angle；
Described liquid crystal compound carries out second time ultraviolet light (UV) irradiate, make in described liquid crystal compound the vertical of residual
Alignment agent 52 reacts completely with polymerisable monomer 51, obtains a flexible display panels as shown in Figure 1.
Concrete, in described step 5, the energy that described second time ultraviolet light irradiates is 85～100mW/cm2, irradiation time
It is 90～120min.
Concrete, in the flexible display panels that described step 5 obtains, described first thin polymer film 31 and the second polymer
The thickness of thin film 32 is respectivelyBetween between described first thin polymer film 31 and the second thin polymer film 32
The width of gap, namely the height of described polymer network 33 is 3～5 μm.Described first thin polymer film 31 and the second polymer
Thin film 32 each serves as the effect of upper and lower alignment film, and described polymer network 33 can make liquid crystal molecule 41 be limited to polymer
In the grid of network 33, prevent the flowing on a large scale of liquid crystal molecule 41, eliminate LCD alignment abnormal.
The manufacture method of above-mentioned flexible display panels, uses one processing procedure to be formed and is respectively arranged on described first flexible base board 10
With the first thin polymer film 31 on the second flexible base board 20 and the second thin polymer film 32 and be positioned at the first thin polymer film
31 and second polymer networks 33 between thin polymer film 32, described first thin polymer film 31 and the second thin polymer film 32
May replace traditional alignment film, play the effect to liquid crystal molecule 41 orientation, described polymer network 33 can make liquid crystal molecule
41 are limited in its grid, prevent the flowing on a large scale of liquid crystal molecule 41, eliminate LCD alignment abnormal, promote flexible display panels
Display quality and service life；Meanwhile, described first thin polymer film 31 with the second thin polymer film 32 also have raising soft
The effect of the voltage retention (Voltage Holding Ratio, VHR) of property display floater, improving product reliability.
In sum, the present invention provides a kind of flexible display panels and preparation method thereof, by using one processing procedure to be formed
It is respectively arranged on the first thin polymer film on the first flexible base board and the second flexible base board and the second thin polymer film and is positioned at
Polymer network between first thin polymer film and the second thin polymer film, described first thin polymer film and the second polymer
Thin film may replace traditional alignment film, plays the effect to liquid crystal alignment, and described polymer network can make liquid crystal molecule
It is limited in its grid, prevents the flowing on a large scale of liquid crystal molecule, eliminate LCD alignment abnormal, promote the aobvious of flexible display panels
Show quality and service life；Meanwhile, described first thin polymer film and the second thin polymer film also have raising Flexible Displays face
The effect of the voltage retention of plate, improving product reliability.
The above, for the person of ordinary skill of the art, can be according to technical scheme and technology
Other various corresponding changes and deformation are made in design, and all these change and deformation all should belong to the claims in the present invention
Protection domain.
Claims (10)
1. a flexible display panels, it is characterised in that include the first flexible base board (10) and the second flexible base being oppositely arranged
Plate (20), it is located at the first thin polymer film towards the second flexible base board (20) side on described first flexible base board (10)
(31), be located on described second flexible base board (20) the second thin polymer film (32) towards the first flexible base board (10) side,
It is located between described first thin polymer film (31) and the second thin polymer film (32) and is connected described first polymer thin respectively
The polymer network (33) of film (31) and the second thin polymer film (32) and be located at described first thin polymer film (31) and the
Between dimerization compound thin film (32) and the liquid crystal molecule (41) that is distributed in described polymer network (33)；
Described first thin polymer film (31), the second thin polymer film (32) and polymer network (33) are by polymerisable monomer
(51) it is polymerized with vertical-tropism agent (52).
2. flexible display panels as claimed in claim 1, it is characterised in that described first thin polymer film (31) is gathered with second
The thickness of compound thin film (32) is respectively
3. flexible display panels as claimed in claim 1, it is characterised in that described vertical-tropism agent (52) includes following chemical combination
At least one in thing:
Described polymerisable monomer (51) includes that acrylate, acrylate derivative, methacrylate, methacrylate spread out
At least one in biology, styrene, styrene derivative and epoxy resin.
4. flexible display panels as claimed in claim 1, it is characterised in that described first flexible base board (10) includes the first lining
Substrate (11), it is located on described first underlay substrate (11) the first electrode towards described second flexible base board (20) side
(12), the first optical compensation films away from described second flexible base board (20) side it is located on described first underlay substrate (11)
And be located at the first polaroid (14) on described first optical compensation films (13) (13)；
Described second flexible base board (20) includes the second underlay substrate (21), is located on described second underlay substrate (21) towards institute
The chromatic filter layer (22) stating the first flexible base board (10) side, the second electrode being located on described chromatic filter layer (22)
(23), the second optical compensation films away from described first flexible base board (10) side it is located on described second underlay substrate (21)
And be located at the second polaroid (25) on described second optical compensation films (24) (24).
5. the manufacture method of a flexible display panels, it is characterised in that comprise the steps:
Step 1, provide the first flexible base board (10) and the second flexible base board (20)；
Step 2, offer liquid crystal compound, described liquid crystal compound includes liquid crystal molecule (41), vertical-tropism agent (52), polymerizable
Monomer (51) and light trigger；Described liquid crystal compound is instilled into described first flexible base board (10) or the second flexible base
On plate (20)；
Step 3, offer fluid sealant (60), upper corresponding described described second flexible base board (20) or the first flexible base board (10)
The peripheral applying paste (60) of liquid crystal compound；
Described first flexible base board (10) is fit together with the second flexible base board (20), fluid sealant (60) is solidified；
Now, the vertical-tropism agent (52) in described liquid crystal compound is adsorbed in described first, second flexible base board (10,20) table
Face, and it is perpendicular to described first, second flexible base board (10,20) arrangement, thus guide liquid crystal molecule (41) to be perpendicular to described the
One, the second flexible base board (10,20) arrangement；
Step 4, described liquid crystal compound both sides apply voltage, liquid crystal molecule (41) deflects, at described liquid crystal compound
While both sides continue to voltage, liquid crystal compound is carried out ultraviolet light for the first time and irradiates, hanging down in described liquid crystal compound
There is polyreaction with polymerisable monomer (51) in straight alignment agent (52), upper respectively at described first, second flexible base board (10,20)
Form the first thin polymer film (31) and the second thin polymer film (32), simultaneously described first, second thin polymer film (31,
32) polymer network (33) connecting described first, second thin polymer film (31,32) respectively is formed between；
Step 5, remove the voltage of described liquid crystal compound both sides after, at described first thin polymer film (31) and the second polymer
Under the effect of the polymer network (33) between thin film (32), liquid crystal molecule (41) produces tilt angle；
Described liquid crystal compound carries out second time ultraviolet light irradiate, make the vertical-tropism agent of residual in described liquid crystal compound
(52) react completely with polymerisable monomer (51), obtain a flexible display panels.
6. the manufacture method of flexible display panels as claimed in claim 5, it is characterised in that in described step 1, described first
Flexible base board (10) includes the first underlay substrate (11), is located on described first underlay substrate (11) towards the described second flexible base
First electrode (12) of plate (20) side, it is located on described first underlay substrate (11) away from described second flexible base board (20)
First optical compensation films (13) of side and be located at the first polaroid (14) on described first optical compensation films (13)；
Described second flexible base board (20) includes the second underlay substrate (21), is located on described second underlay substrate (21) towards institute
The chromatic filter layer (22) stating the first flexible base board (10) side, the second electrode being located on described chromatic filter layer (22)
(23), the second optical compensation films away from described first flexible base board (10) side it is located on described second underlay substrate (21)
And be located at the second polaroid (25) on described second optical compensation films (24) (24).
7. the manufacture method of flexible display panels as claimed in claim 5, it is characterised in that in described step 2, described liquid crystal
In mixture, the mass percent of described liquid crystal molecule (41) is 94.0～98.6%, the quality of described vertical-tropism agent (52)
Percentage ratio is 1.0～5.0%, and the mass percent of described polymerisable monomer (51) is 0.3～0.5%, described light trigger
Mass percent is 0.1～0.5%.
8. the manufacture method of flexible display panels as claimed in claim 5, it is characterised in that described vertical-tropism agent (52) wraps
Include at least one in following compound:
Described polymerisable monomer (51) includes that acrylate, acrylate derivative, methacrylate, methacrylate spread out
At least one in biology, styrene, styrene derivative and epoxy resin.
9. the manufacture method of flexible display panels as claimed in claim 5, it is characterised in that in described step 4, at described liquid
The voltage that brilliant mixture both sides apply is 13～25V, and the energy that described first time ultraviolet light irradiates is 85～100mW/cm2, shine
The time of penetrating is 20～30min；
In described step 5, the energy that described second time ultraviolet light irradiates is 85～100mW/cm2, irradiation time be 90～
120min。
10. the manufacture method of flexible display panels as claimed in claim 5, it is characterised in that the flexibility that described step 5 obtains
In display floater, described first thin polymer film (31) is respectively with the thickness of the second thin polymer film (32)
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