CN106444127A - Flexible liquid crystal display and manufacturing method thereof - Google Patents
Flexible liquid crystal display and manufacturing method thereof Download PDFInfo
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- CN106444127A CN106444127A CN201611069156.0A CN201611069156A CN106444127A CN 106444127 A CN106444127 A CN 106444127A CN 201611069156 A CN201611069156 A CN 201611069156A CN 106444127 A CN106444127 A CN 106444127A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 93
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 239000000758 substrate Substances 0.000 claims abstract description 106
- 239000000463 material Substances 0.000 claims abstract description 83
- 239000002096 quantum dot Substances 0.000 claims abstract description 64
- 239000003292 glue Substances 0.000 claims abstract description 40
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 42
- 229920005575 poly(amic acid) Polymers 0.000 claims description 33
- 239000011521 glass Substances 0.000 claims description 10
- 229910000673 Indium arsenide Inorganic materials 0.000 claims description 6
- 229910018219 SeTe Inorganic materials 0.000 claims description 6
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 claims description 6
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 claims description 6
- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 claims description 6
- FESBVLZDDCQLFY-UHFFFAOYSA-N sete Chemical compound [Te]=[Se] FESBVLZDDCQLFY-UHFFFAOYSA-N 0.000 claims description 6
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000004952 Polyamide Substances 0.000 abstract description 10
- 229920002647 polyamide Polymers 0.000 abstract description 10
- 239000002253 acid Substances 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000001228 spectrum Methods 0.000 abstract description 6
- 239000006185 dispersion Substances 0.000 abstract description 4
- 239000010408 film Substances 0.000 description 29
- 239000011257 shell material Substances 0.000 description 12
- 238000012545 processing Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- 230000005284 excitation Effects 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 3
- 229920001721 polyimide Polymers 0.000 description 3
- 150000008065 acid anhydrides Chemical class 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- -1 diamine Amino acid Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229920002457 flexible plastic Polymers 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 244000154870 Viola adunca Species 0.000 description 1
- 235000005811 Viola adunca Nutrition 0.000 description 1
- 235000013487 Viola odorata Nutrition 0.000 description 1
- 235000002254 Viola papilionacea Nutrition 0.000 description 1
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- 150000001413 amino acids Chemical class 0.000 description 1
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- 238000012512 characterization method Methods 0.000 description 1
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- 238000006210 cyclodehydration reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004033 diameter control Methods 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
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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
- 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
- G02F1/1336—Illuminating devices
- G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
Abstract
The invention provides a flexible liquid crystal display and a manufacturing method thereof. According to the manufacturing method of the flexible liquid crystal display, a quantum dot doped flexible substrate is prepared by using quantum dot glue; the quantum dot glue comprises a polyamide acid solution and a quantum dot material doped in the polyamide acid solution; as polyamide acid molecules in the polyamide acid solution can be automatically gathered to the surface of the quantum dot material to modify the quantum dot material, the dispersion uniformity of the quantum dot material inside the polyamide acid solution can be improved, and furthermore the dispersion uniformity of the quantum dot material in a quantum dot doped flexible substrate obtained through polymerization of the quantum dot glue can be improved. As light is emitted from the quantum dot material, the flexible liquid crystal display has the advantages that quantum dot light emission is concentrated in spectrum and high in color purity, and the color gamut and the color saturation of the flexible liquid crystal display can be greatly improved.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of flexible liquid crystal display and preparation method thereof.
Background technology
With the development of Display Technique, the plane such as liquid crystal display (Liquid Crystal Display, LCD) shows dress
Put because having high image quality, power saving, the thin and applied range of fuselage, 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.
It is backlight liquid crystal display that liquid crystal indicator on existing market is most of, it include display panels and
Backlight module (backlight module).The operation principle of display panels is put in the middle of the parallel glass substrate of two panels
Liquid crystal molecule is put, is had many tiny electric wires vertically and horizontally in the middle of two panels glass substrate, control liquid crystal by whether being energized
Molecular changes direction, the light of backlight module is reflected generation picture.
Generally display panels are by color film (CF, Color Filter) substrate, thin film transistor (TFT) (TFT, Thin Film
Transistor) substrate, the liquid crystal (LC, Liquid Crystal) being sandwiched between color membrane substrates and thin film transistor base plate and close
Sealing frame (Sealant) constitutes, and its moulding process is generally comprised：Leading portion array (Array) processing procedure (thin film, gold-tinted, etching and stripping
Film), stage casing become box (Cell) processing procedure (TFT substrate and CF baseplate-laminating) and back segment module group assembling processing procedure (to drive IC and printing electricity
Road plate pressing).Wherein, leading portion Array processing procedure mainly forms TFT substrate, in order to control the motion of liquid crystal molecule；Stage casing
Cell processing procedure is mainly and adds liquid crystal between TFT substrate and CF substrate；Back segment module group assembling processing procedure is mainly driving IC pressing
With the integration of printed circuit board (PCB), and then drive liquid crystal molecule rotation, display image.
With the gradually rise of wearable application apparatus such as intelligent glasses, intelligent watch etc., show that industry is aobvious to deflection
Show that the demand of device is also continuously increased.Flexible liquid crystal display (Flexible TFT-LCD) as have lightweight, flexible, can
The flexible electronic product of even rollable characteristic is folded, has been increasingly becoming one of important directions of Electronic Development of Information Industry.
Flexible liquid crystal display needs to prepare using flexible base board, and polyimides are resistance to outstanding with its chemical inertness
Warm ability becomes the excellent material for making flexible base board.Polyimides are usually to be polymerized to generate polyamides by dibasic acid anhydride with diamine
Amino acid (PAA), then polyimides are obtained by polyamic acid cyclodehydration, wherein, dibasic acid anhydride is polymerized with diamine and generates polyamides
The chemical equation of amino acid is as follows：
In addition, for current flexible liquid crystal display field, it would be highly desirable to which the subject matter of solution is how to meet city
Field is for high colour gamut, the demand of the full product of high color.
Quantum dot (Quantum Dots, QDs) can claim again nanocrystalline, be one kind by II-VI group or iii-v element
The nano-particle of composition.The particle diameter of quantum dot is typically in the range of between 1～20nm, as electronics and hole are by quantum confinement, continuously
Band structure become the discrete energy level structure with molecular characterization.Therefore, after quantum dot is excited by blue violet light, it is convertible into
Highly purified monochromatic light, color can be by the diameter control of quantum dot.Concentrate and color as quanta point material has luminescent spectrum
The advantages of purity is high, can increase substantially the colour gamut of current liquid crystal display hence with these advantages, improve liquid crystal display
The color restoration capability of device, presently commercially available quantum dot TV is exactly the materials application in the preferably embodiment of display field.Existing
Technology of quantum dots focus primarily upon by luminescence band red (R), green (G), blue (B) quantum dot hybrid package in engineering plastics
In thin film (QD film) or glass tubing (QD tube), and the position that the structure is placed between backlight and display system, to pass
System white light backlight is excited, and reaches the purpose of abundant colour gamut, but either QD film or QD tube structure, for quantum dot material
The use means of material are all more single, simultaneously because need as optics high-quality polyethylene terephthalate (PET) film and
The protection of small-bore glass tubing and encapsulation, there is also certain high cost and material reliability problem.
Content of the invention
It is an object of the invention to provide a kind of manufacture method of flexible liquid crystal display, it is possible to increase flexible liquid crystal
The colour gamut of device and color saturation.
The present invention also aims to a kind of flexible liquid crystal display is provided, with higher colour gamut and color saturation.
For achieving the above object, present invention firstly provides a kind of manufacture method of flexible liquid crystal display, walks including following
Suddenly：
Step 1, quantum dot glue is provided, the quantum dot glue includes polyamic acid solution with to be doped in polyamic acid molten
Quanta point material in liquid, the quanta point material includes red light quantum point with green light quantum point；
The rigid substrates of step 2, offer with peel ply, by the quantum dot glue application on the peel ply, gather
Quantum dot-doped flexible base board is formed after conjunction；
The side surfacing for contacting with the quantum dot-doped flexible base board on the peel ply, and the peel ply with
Adhesion between the rigid substrates is more than the adhesion between the peel ply and the quantum dot-doped flexible base board；
Step 3, make TFT layer, the first polaroid and the on the quantum dot-doped flexible base board from top to bottom successively
One alignment film, prepared TFT substrate；
Step 4, offer CF substrate, the CF substrate includes flexible substrate, the colorized optical filtering in the flexible substrate
Piece and the second alignment film on the colored filter；
Dispenser method material in the TFT substrate or CF substrate, by the TFT substrate with CF substrate to bit combination simultaneously
It is tightly connected, forms the liquid crystal layer Wei Yu the TFT substrate and CF substrate between, first alignment film and second orientation
Film is contacted with the liquid crystal layer respectively；
Step 5, the quantum dot-doped flexible base board is peeled off from the peel ply, before or after strip operation
Side away from the liquid crystal layer on the CF substrate attaches the second polaroid, and a flexible liquid crystal panel is obtained；
Step 6, one Blue backlight module of offer, by the Blue backlight module and the flexible liquid crystal panel alignment
Combination, and the light emission side of the Blue backlight module is obtained a flexible hydraulic near the quantum dot-doped flexible base board setting
Crystal display.
The red light quantum point includes emitting red light kernel and is coated on the protection shell of the emitting red light core surface；
The green light quantum point includes green emitting kernel and is coated on the protection shell of the green emitting core surface；
The material of the emitting red light kernel includes CdSe, Cd2The combination of one or more in SeTe and InAs；Institute
The material for stating green emitting kernel includes ZnCdSe2, InP and Cd2The combination of one or more in SSe；The protection shell
Material include CdS, ZnSe, ZnCdS2, one or more in ZnS and ZnO of combination.
In the quantum dot glue, the concentration of the quanta point material is 2mg/ml～80mg/ml.
In the step 2, the rigid substrates are glass substrate；The material of the peel ply includes acrylic resin.
The step 3 is additionally included in the side surface formation sept that the TFT substrate is provided with first alignment film
The step of, or the CF substrate that provides of the step 4 is provided with a side surface of second alignment film and is provided with sept.
In the step 2, the quantum dot glue polymerization is made using the method for heating；In the step 5, using machinery stripping
From method the quantum dot-doped flexible base board is peeled off from the peel ply.
The present invention also provides a kind of flexible liquid crystal display, including Blue backlight module and located at the Blue backlight module
The flexible liquid crystal panel of light emission side；
The flexible liquid crystal panel includes the CF substrate that is oppositely arranged and TFT substrate, located at the CF substrate and TFT
Liquid crystal layer between substrate and the second polaroid on the CF substrate away from the liquid crystal layer side；
The TFT substrate includes quantum dot-doped flexible base board, the TFT on the quantum dot-doped flexible base board
Layer, the first polaroid on the TFT layer and the first alignment film on first polaroid；The quantum dot
Doping flexible base board is formed by quantum dot glue polymerization, and the quantum dot glue includes polyamic acid solution and is doped in polyamide
Quanta point material in acid solution, the quanta point material includes red light quantum point with green light quantum point；
The CF substrate includes flexible substrate, the colored filter in the flexible substrate and located at the colour
The second alignment film on optical filter；
First alignment film is contacted with the liquid crystal layer respectively with second alignment film；
The light emission side of the Blue backlight module is arranged near the quantum dot-doped flexible base board.
The red light quantum point includes emitting red light kernel and is coated on the protection shell of the emitting red light core surface；
The green light quantum point includes green emitting kernel and is coated on the protection shell of the green emitting core surface；
The material of the emitting red light kernel includes CdSe, Cd2The combination of one or more in SeTe and InAs；Institute
The material for stating green emitting kernel includes ZnCdSe2, InP and Cd2The combination of one or more in SSe；The protection shell
Material include CdS, ZnSe, ZnCdS2, one or more in ZnS and ZnO of combination.
In the quantum dot glue, the concentration of the quanta point material is 2mg/ml～80mg/ml.
The TFT substrate is provided with a side surface of first alignment film and is provided with sept, or the CF substrate
The side surface for being provided with second alignment film is provided with sept.
Beneficial effects of the present invention：A kind of manufacture method of flexible liquid crystal display that the present invention is provided, by using amount
Son is put glue to prepare quantum dot-doped flexible base board, and the quantum dot glue includes polyamic acid solution and is doped in polyamide
Quanta point material in acid solution, as the polyamic acid molecule in the polyamic acid solution can gather the quantum automatically
The surface of point material, modifies to the quanta point material, can improve dispersion of the quanta point material in polyamic acid solution
The uniformity, and then improve the dispersion of quanta point material in the quantum dot-doped flexible base board for being obtained by the quantum dot glue polymerization
The uniformity.The present invention passes through to light using quanta point material, is concentrated using quantum dot luminescent spectrum and the high advantage of excitation, greatly
Amplitude improves the colour gamut of flexible liquid crystal display and color saturation.In addition, passing through the quantum dot-doped flexible base board shape
On the less peel ply of its adhesion of Cheng Yuyu, facilitate the follow-up method using mechanical stripping by the quantum dot-doped flexibility base
Plate is peeled off from the peel ply, reduces the manufacture difficulty of flexible liquid crystal display.A kind of flexible liquid crystal that the present invention is provided shows
Show device, with higher colour gamut and color saturation, simple structure, processing procedure difficulty is low.
In order to be able to be further understood that feature and the technology contents of the present invention, refer to below in connection with the detailed of the present invention
Illustrate and accompanying drawing, but accompanying drawing is only provided with reference to being used with explanation, is not used for being any limitation as the present invention.
Description of the drawings
For further illustrating the technological means taken of the present invention and its effect, being preferable to carry out below in conjunction with the present invention
Example and its accompanying drawing are described in detail.
In accompanying drawing,
Fig. 1 is the flow chart of the manufacture method of the flexible liquid crystal display of the present invention；
The schematic diagram of the step of Fig. 2 is the manufacture method of the flexible liquid crystal display of the present invention 2；
The schematic diagram of the step of Fig. 3 is the manufacture method of the flexible liquid crystal display of the present invention 3；
The schematic diagram of the step of Fig. 4 is the manufacture method of the flexible liquid crystal display of the present invention 4；
The schematic diagram of the step of Fig. 5 is the manufacture method of the flexible liquid crystal display of the present invention 5；
6 schematic diagram of the step of Fig. 6 is the manufacture method of the flexible liquid crystal display of the present invention and the flexible hydraulic of the present invention
The structural representation of crystal display.
Specific embodiment
For further illustrating the technological means taken of the present invention and its effect, being preferable to carry out below in conjunction with the present invention
Example is described in detail.
Fig. 1 is referred to, present invention firstly provides a kind of manufacture method of flexible liquid crystal display, comprises the steps：
Step 1, quantum dot glue is provided, the quantum dot glue includes polyamic acid solution with to be doped in polyamic acid molten
Quanta point material in liquid, the quanta point material includes red light quantum point with green light quantum point.
Specifically, the preparation method of the quantum dot glue is：
Step 11, offer red light quantum point, green light quantum point and polyamic acid solution；
Step 12, the red light quantum point, green light quantum point are mixed with polyamic acid solution, prepared quantum dot glue.
Specifically, in the quantum dot glue, the polyamic acid molecule in the polyamic acid solution gathers institute automatically
The surface of quanta point material is stated, using its carboxyl coordination, the quanta point material is modified, so as to improve quanta point material
Dispersed homogeneous degree in polyamic acid solution, prevents the problem of quanta point material aggregation, and then improves follow-up obtained
The dispersed homogeneous degree of quanta point material in quantum dot-doped flexible base board 13.
Specifically, the red light quantum point includes emitting red light kernel and the guarantor for being coated on the emitting red light core surface
Shield shell；The green light quantum point includes green emitting kernel and is coated on the protection shell of the green emitting core surface.
Specifically, the material of the emitting red light kernel includes CdSe, Cd2One or more in SeTe and InAs
Combination；The material of the green emitting kernel includes ZnCdSe2, InP and Cd2The combination of one or more in SSe；The guarantor
The material of shield shell includes CdS, ZnSe, ZnCdS2, one or more in ZnS and ZnO of combination.
Specifically, in the quantum dot glue, the concentration of the quanta point material is 2mg/ml～80mg/ml.
Step 2 is as shown in Fig. 2 rigid substrates 11 of the offer with peel ply (DBL, De-bonding layer) 12, incite somebody to action
The quantum dot glue application forms quantum dot-doped flexible base board 13 on the peel ply 12 after polymerization；
The side surfacing for contacting with the quantum dot-doped flexible base board 13 on the peel ply 12, and the stripping
Layer 12 and the rigid substrates 11 between adhesion more than the peel ply 12 and the quantum dot-doped flexible base board 13 it
Between adhesion.
Specifically, in the step 2, the quantum dot glue polymerization is made using the method for heating.
Specifically, the side surface due to being contacted with the quantum dot-doped flexible base board 13 on the peel ply 12 is put down
Whole, and the adhesion between the peel ply 12 and the rigid substrates 11 is quantum dot-doped with described more than the peel ply 12
Adhesion between flexible base board 13, it is ensured that between the peel ply 12 and the quantum dot-doped flexible base board 13 then
Power is less, facilitate in subsequent step using mechanical stripping method by the quantum dot-doped flexible base board 13 from the peel ply
Peel off on 12, reduce the manufacture difficulty of flexible liquid crystal display.
Specifically, the rigid substrates 11 are glass substrate.
Specifically, the material of the peel ply 12 includes the polymer such as acrylic resin.
Step 3 as shown in figure 3, on the quantum dot-doped flexible base board 13 from top to bottom successively make TFT layer 14,
First polaroid 15 and the first alignment film 16, prepared TFT substrate 10.
Step 4 is as shown in figure 4, provide CF substrate 20, the CF substrate 20 includes flexible substrate 21, is located at the flexibility
Colored filter 22 on substrate 21 and the second alignment film 23 on the colored filter 22；
Dispenser method material in the TFT substrate 10 or CF substrate 20, by the TFT substrate 10 and CF substrate 20 pairs
Hyte merging is tightly connected, and forms the liquid crystal layer 30 Wei Yu the TFT substrate 10 and CF substrate 20 between, first alignment film
16 are contacted with the liquid crystal layer 30 respectively with second alignment film 23.
Specifically, the flexible substrate 21 is flexible plastic substrates or bent glass substrate.
Specifically, the step 3 is additionally included in the side surface that the TFT substrate 10 is provided with first alignment film 16
The step of forming sept 40, or the CF substrate 20 that the step 4 is provided is provided with the side table of second alignment film 23
Face is provided with sept 40；The sept 40 is used for supporting the box thickness of the flexible liquid crystal panel 50 of follow-up preparation.
Step 5 is being peeled off as shown in figure 5, peel off the quantum dot-doped flexible base board 13 from the peel ply 12
Side before or after operation away from the liquid crystal layer 30 on the CF substrate 20 attaches the second polaroid 24, is obtained one soft
Property display panels 50.
Specifically, in the step 5, using mechanical stripping method by the quantum dot-doped flexible base board 13 from described
Peel off on peel ply 12.
Step 6 as shown in fig. 6, provide a Blue backlight module 60, by the Blue backlight module 60 and the flexible hydraulic
LCD panel 50 is to bit combination, and the light emission side of the Blue backlight module 60 is near the quantum dot-doped flexible base board
13 are arranged, and a flexible liquid crystal display is obtained.
Specifically, in flexible liquid crystal display obtained in the step 6, the blueness for sending from Blue backlight module 60 is carried on the back
After light incides the quantum dot-doped flexible base board 13, the red light quantum point in the quantum dot-doped flexible base board 13 is excited
HONGGUANG and green glow are sent respectively with green light quantum point, after mixing with Blue backlight, white light is formed, the white light is via the CF substrate
20 colored filter 22 obtains red green blue tricolor light after filtering, and the present invention passes through, utilization luminous using quanta point material
Son point luminescent spectrum is concentrated and the high advantage of excitation, increases substantially colour gamut and the color saturation of flexible liquid crystal display.
The manufacture method of above-mentioned flexible liquid crystal display, by preparing quantum dot-doped flexibility base using quantum dot glue
Plate 13, the quantum dot glue includes polyamic acid solution and the quanta point material being doped in polyamic acid solution, due to institute
The surface that the polyamic acid molecule in polyamic acid solution can gather the quanta point material automatically is stated, to the quantum dot material
Material is modified, and can be improved dispersed homogeneous degree of the quanta point material in polyamic acid solution, and then be improved by the quantum dot
The dispersed homogeneous degree of quanta point material in the quantum dot-doped flexible base board 13 that glue polymerization is obtained.The present invention is by adopting quantum
Point material emission, is concentrated using quantum dot luminescent spectrum and the high advantage of excitation, increases substantially flexible liquid crystal display
Colour gamut and color saturation.In addition, by the quantum dot-doped flexible base board 13 is formed at and the less stripping of its adhesion
On absciss layer 12, the convenient follow-up method using mechanical stripping is by the quantum dot-doped flexible base board 13 from the peel ply 12
Peel off, reduce the manufacture difficulty of flexible liquid crystal display.
Refer to Fig. 6, the present invention also provides a kind of flexible liquid crystal display, including Blue backlight module 60 with located at described
The flexible liquid crystal panel 50 of 60 light emission side of Blue backlight module；
The flexible liquid crystal panel 50 includes the CF substrate 20 being oppositely arranged and TFT substrate 10, is located at the CF base
Liquid crystal layer 30 between plate 20 and TFT substrate 10 and on the CF substrate 20 away from 30 side of the liquid crystal layer
Two polaroids 24；
The TFT substrate 10 includes quantum dot-doped flexible base board 13, is located on the quantum dot-doped flexible base board 13
TFT layer 14, the first polaroid 15 on the TFT layer 14 and the first orientation on first polaroid 15
Film 16；The quantum dot-doped flexible base board 13 is formed by quantum dot glue polymerization, and the quantum dot glue includes polyamic acid
Solution and the quanta point material being doped in polyamic acid solution, the quanta point material includes red light quantum point with green quantum
Point；
The CF substrate 20 includes flexible substrate 21, the colored filter 22 in the flexible substrate 21 and is located at
The second alignment film 23 on the colored filter 22；
First alignment film 16 is contacted with the liquid crystal layer 30 respectively with second alignment film 23；
The light emission side of the Blue backlight module 60 is arranged near the quantum dot-doped flexible base board 13.
Specifically, the flexible substrate 21 is flexible plastic substrates or bent glass substrate.
Specifically, in the quantum dot glue, the polyamic acid molecule in the polyamic acid solution gathers institute automatically
The surface of quanta point material is stated, using its carboxyl coordination, surface modification is carried out to the quanta point material, quantum dot material can be improved
Dispersed homogeneous degree of the material in polyamic acid solution, prevents the problem of quanta point material aggregation, and then improves by the amount
The dispersed homogeneous degree of quanta point material in the quantum dot-doped flexible base board 13 that son point glue polymerization is obtained.
Specifically, the red light quantum point includes emitting red light kernel and the guarantor for being coated on the emitting red light core surface
Shield shell；The green light quantum point includes green emitting kernel and is coated on the protection shell of the green emitting core surface.
Specifically, the material of the emitting red light kernel includes CdSe, Cd2One or more in SeTe and InAs
Combination；The material of the green emitting kernel includes ZnCdSe2, InP and Cd2The combination of one or more in SSe；The guarantor
The material of shield shell includes CdS, ZnSe, ZnCdS2, one or more in ZnS and ZnO of combination.
Specifically, in the quantum dot glue, the concentration of the quanta point material is 2mg/ml～80mg/ml.
Specifically, the TFT substrate 10 is provided with a side surface of first alignment film 16 and is provided with sept 40, or
The CF substrate 20 is provided with a side surface of second alignment film 23 and is provided with sept 40；The sept 40 is used for supporting
The box thickness of the flexible liquid crystal panel 50.
Above-mentioned flexible liquid crystal display has higher colour gamut and color saturation, and simple structure, and processing procedure difficulty is low.
In sum, the present invention provides a kind of flexible liquid crystal display and preparation method thereof.The flexible liquid crystal of the present invention shows
The manufacture method for showing device, by preparing quantum dot-doped flexible base board using quantum dot glue, the quantum dot glue includes
Polyamic acid solution and the quanta point material being doped in polyamic acid solution, due to the polyamide in the polyamic acid solution
Acid molecule can gather the surface of the quanta point material automatically, and the quanta point material is modified, and can improve quantum dot
Dispersed homogeneous degree of the material in polyamic acid solution, so improve by the quantum dot glue polymerization obtain quantum dot-doped
The dispersed homogeneous degree of quanta point material in flexible base board.The present invention passes through to light using quanta point material, using quantum dot light emitting
In spectra collection and the high advantage of excitation, colour gamut and the color saturation of flexible liquid crystal display is increased substantially.In addition, passing through
The quantum dot-doped flexible base board is formed at on the less peel ply of its adhesion, conveniently subsequently adopts mechanical stripping
The quantum dot-doped flexible base board is peeled off from the peel ply by method, reduces the manufacture difficulty of flexible liquid crystal display.
The flexible liquid crystal display of the present invention has higher colour gamut and color saturation, and simple structure, and processing procedure difficulty is low.
The above, for the person of ordinary skill of the art, can be with technology according to the present invention scheme and technology
Design is made other various corresponding changes and is deformed, and all these changes and deformation should all belong to the claims in the present invention
Protection domain.
Claims (10)
1. a kind of manufacture method of flexible liquid crystal display, it is characterised in that comprise the steps：
Step 1, offer quantum dot glue, the quantum dot glue includes polyamic acid solution and is doped in polyamic acid solution
Quanta point material, the quanta point material includes red light quantum point with green light quantum point；
The rigid substrates (11) of step 2, offer with peel ply (12), by the quantum dot glue application in the peel ply
(12), on, quantum dot-doped flexible base board (13) is formed after polymerization；
The side surfacing for contacting with quantum dot-doped flexible base board (13) on peel ply (12), and the stripping
Adhesion between layer (12) and the rigid substrates (11) is more than peel ply (12) and the quantum dot-doped flexibility base
Adhesion between plate (13)；
Step 3, on quantum dot-doped flexible base board (13) from top to bottom successively make TFT layer (14), the first polaroid
(15) and the first alignment film (16), prepared TFT substrate (10)；
Step 4, offer CF substrate (20), described CF substrate (20) include flexible substrate (21), are located at flexible substrate (21)
On colored filter (22) and the second alignment film (23) on colored filter (22)；
In the TFT substrate (10) or the upper dispenser method material of CF substrate (20), by the TFT substrate (10) and CF substrate
(20) to bit combination and it is tightly connected, forms the liquid crystal layer (30) Wei Yu TFT substrate (10) and CF substrate (20) between, institute
State the first alignment film (16) to be contacted with the liquid crystal layer (30) with the second alignment film (23) respectively；
Step 5, quantum dot-doped flexible base board (13) are peeled off from the peel ply (12), before strip operation or
Side away from the liquid crystal layer (30) on CF substrate (20) attaches the second polaroid (24) afterwards, and a flexible hydraulic is obtained
LCD panel (50)；
Step 6, one Blue backlight module (60) of offer, by Blue backlight module (60) and the flexible liquid crystal panel
(50) to bit combination, and the light emission side of the Blue backlight module (60) is set near quantum dot-doped flexible base board (13)
Put, a flexible liquid crystal display is obtained.
2. the manufacture method of flexible liquid crystal display as claimed in claim 1, it is characterised in that the red light quantum point includes
Emitting red light kernel and the protection shell for being coated on the emitting red light core surface；The green light quantum point includes green emitting
Kernel and the protection shell for being coated on the green emitting core surface；
The material of the emitting red light kernel includes CdSe, Cd2The combination of one or more in SeTe and InAs；The green
The material of luminous kernel includes ZnCdSe2, InP and Cd2The combination of one or more in SSe；The material of the protection shell
Including CdS, ZnSe, ZnCdS2, one or more in ZnS and ZnO of combination.
3. the manufacture method of flexible liquid crystal display as claimed in claim 1, it is characterised in that in the quantum dot glue,
The concentration of the quanta point material is 2mg/ml～80mg/ml.
4. the manufacture method of flexible liquid crystal display as claimed in claim 1, it is characterised in that in the step 2, described just
Property substrate (11) be glass substrate；The material of peel ply (12) includes acrylic resin.
5. the manufacture method of flexible liquid crystal display as claimed in claim 1, it is characterised in that the step 3 is additionally included in
The step of TFT substrate (10) are provided with side surface formation sept (40) of the first alignment film (16), Huo Zhesuo
The CF substrate (20) for stating step 4 offer is provided with the side surface of the second alignment film (23) and is provided with sept (40).
6. the manufacture method of flexible liquid crystal display as claimed in claim 1, it is characterised in that in the step 2, using plus
The method of heat makes the quantum dot glue polymerization；In the step 5, will be described quantum dot-doped soft using the method for mechanical stripping
Property substrate (13) is peeled off from the peel ply (12).
7. a kind of flexible liquid crystal display, it is characterised in that including Blue backlight module (60) be located at the Blue backlight mould
The flexible liquid crystal panel (50) of group (60) light emission side；
Described flexible liquid crystal panel (50) include the CF substrate (20) being oppositely arranged and TFT substrate (10), are located at the CF
Liquid crystal layer (30) between substrate (20) and TFT substrate (10) and away from the liquid crystal layer on CF substrate (20)
(30) second polaroid (24) of side；
Described TFT substrate (10) include quantum dot-doped flexible base board (13), are located at quantum dot-doped flexible base board (13)
On TFT layer (14), the first polaroid (15) on TFT layer (14) and on the first polaroid (15)
The first alignment film (16)；Quantum dot-doped flexible base board (13) are formed by quantum dot glue polymerization, the quantum dispensing
Water includes polyamic acid solution and the quanta point material being doped in polyamic acid solution, and the quanta point material includes HONGGUANG amount
Son point and green light quantum point；
Described CF substrate (20) include flexible substrate (21), the colored filter (22) on flexible substrate (21) and
The second alignment film (23) on the colored filter (22)；
First alignment film (16) are contacted with the liquid crystal layer (30) respectively with the second alignment film (23)；
The light emission side of Blue backlight module (60) is arranged near described quantum dot-doped flexible base board (13).
8. flexible liquid crystal display as claimed in claim 7, it is characterised in that the red light quantum point is included in emitting red light
Core and the protection shell for being coated on the emitting red light core surface；The green light quantum point includes green emitting kernel and cladding
Protection shell in the green emitting core surface；
The material of the emitting red light kernel includes CdSe, Cd2The combination of one or more in SeTe and InAs；The green
The material of luminous kernel includes ZnCdSe2, InP and Cd2The combination of one or more in SSe；The material of the protection shell
Including CdS, ZnSe, ZnCdS2, one or more in ZnS and ZnO of combination.
9. flexible liquid crystal display as claimed in claim 7, it is characterised in that in the quantum dot glue, the quantum dot
The concentration of material is 2mg/ml～80mg/ml.
10. flexible liquid crystal display as claimed in claim 7, it is characterised in that TFT substrate (10) are provided with described
One side surface of one alignment film (16) is provided with sept (40), or the CF substrate (20) is provided with second alignment film
(23) a side surface is provided with sept (40).
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| CN113362717A (en) * | 2021-06-18 | 2021-09-07 | 武汉华星光电技术有限公司 | Display panel and preparation method thereof |
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