CN106199812B - A kind of thinning functional polarizing piece and its preparation method and application - Google Patents
A kind of thinning functional polarizing piece and its preparation method and application Download PDFInfo
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- CN106199812B CN106199812B CN201610761474.7A CN201610761474A CN106199812B CN 106199812 B CN106199812 B CN 106199812B CN 201610761474 A CN201610761474 A CN 201610761474A CN 106199812 B CN106199812 B CN 106199812B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 238000000576 coating method Methods 0.000 claims abstract description 38
- 239000000758 substrate Substances 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000012528 membrane Substances 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 230000003666 anti-fingerprint Effects 0.000 claims abstract description 8
- 230000010354 integration Effects 0.000 claims abstract description 5
- 239000004973 liquid crystal related substance Substances 0.000 claims description 63
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 39
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 39
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 32
- 239000003292 glue Substances 0.000 claims description 17
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 15
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 15
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 13
- 238000007711 solidification Methods 0.000 claims description 11
- 230000008023 solidification Effects 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- BAZVSMNPJJMILC-UHFFFAOYSA-N triadimenol Chemical compound C1=NC=NN1C(C(O)C(C)(C)C)OC1=CC=C(Cl)C=C1 BAZVSMNPJJMILC-UHFFFAOYSA-N 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- -1 polyethylene terephthalate Polymers 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 230000010287 polarization Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 claims 2
- 239000001913 cellulose Substances 0.000 claims 1
- 229920002678 cellulose Polymers 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 50
- 238000000034 method Methods 0.000 description 8
- 229920001621 AMOLED Polymers 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 238000010186 staining Methods 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 102100037681 Protein FEV Human genes 0.000 description 1
- 101710198166 Protein FEV Proteins 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000012769 display material Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 150000002085 enols Chemical class 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000003678 scratch resistant effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
- G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
- G02B5/305—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks including organic materials, e.g. polymeric layers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3058—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state comprising electrically conductive elements, e.g. wire grids, conductive particles
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3083—Birefringent or phase retarding elements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Polarising Elements (AREA)
Abstract
The invention discloses a kind of thinning functional polarizing pieces and preparation method thereof, it is blocked up to solve functional polarizing piece thickness in the prior art, the caused demand for being unable to satisfy flexible display screen, the present invention reaches thinning in such a way that coating method makes line polarisation and circle offset compensation film on substrate, recycle the roll-to-roll coating anti-fingerprint using polaroid as substrate, anti-glare, antireflection and anti scuffing membrane material, traditional superposition polaroid film and multifunctional membrane need not be used, will in the prior art multilayer functional membrane be integrated into it is a piece of, realize the integration of multi-functional film layer, its overall thickness is set to drop to 100 μm or less, realizing the functional polarizing piece can be adapted for being bent, folding product can satisfy bending radius operation in 5mm or less.
Description
Technical field
This application involves a kind of thinning functional polarizing pieces and its preparation method and application in liquid crystal display and AMOLED
Field of display.
Background technique
With the development of science and technology, all kinds of mobile terminals such as mobile phone, tablet computer etc., are applied more and more widely.Respectively
The carry out touch control operation that touching display screen is convenient for user is usually arranged in class mobile terminal.Touching display screen is usually multilayer knot
Structure, when carrying out touch control operation using touching display screen, external light source is irradiated in the multilayered structure of touching display screen and is formed
Reflected light can seriously affect the use of touching display screen.Such as, in the outdoor environment with strong light, mobile phone, tablet computer etc. are opened
When the touching display screen of mobile terminal, due to will appear stronger touching display screen surface reflection under outdoor intense light conditions, from
And cause user that can not clearly watch touching display screen.
In addition, current LCD(liquid crystal display) or AMOLED(active organic light-emitting display screen) showing flexible characteristic
When, it often can be by bending, folding test, can often encounter in this test process: (1) polaroid reduces optical performance itself, (2)
Destroy anti scuffing membrane structure.Polarizer(polaroid at present) manufacture craft is all with PVA(polyvinyl alcohol) with iodine staining after
Do uniaxial extension and form polarisation, each superposition substrate does sandwich structure fitting protection PVA(polyvinyl alcohol up and down then at it) resin
In center, PSA (pressure sensitive adhesive)/circle offset compensation film/PSA (pressure sensitive adhesive) is sequentially sticked in the lower substrate other side again, if being bonded anti-finger again
Line/anti-glare/antireflection/scratch resistant multifunctional membrane, the thicker needs for being unable to reach flexible display screen of this polaroid thickness.Example
As prior art CN201410322853 discloses a kind of flexibility OLED polaroid, comprising: be sequentially formed on flexible OLED
Lower adhering agent layer, alternating layer, release film layer and upper adhering agent layer, pass through the scattering layer that is periodically alternatively formed of adhesion and resistance
Interlayer reinforces the ability that polaroid stops steam and oxygen, and better plays effect anti-dazzle under sunlight；In addition, the prior art
CN201110234131 also discloses a kind of thin type integrated 3D solid polaroid, wherein preventing micro-bit phase difference film (FPR)
Dazzle processing, antireflection process add HC coating, wherein the method for anti-dazzle light processing is: carrying out blasting treatment in film surface and formed
Rough surface, or it is coated with one layer of resinae adhesive in film surface, it is dispersed with inorganic or organic transparent particle in the adhesive.
Antireflection process mainly utilizes interference of light principle, can be and is laminated the hard conating being made of metal oxide etc. in film surface
The antireflection film of the low-index layers such as inorganic compound or organic fluoride is formd with low-index layer or with single layer.HC is applied
The method of layer is: in film surface coating organosilicon etc., enhancing material surface hardness and wear-resisting property.It can be seen that the prior art
In be by the Multifunctional protective cuticular layer of substep, layered shaping polaroid, thus all by polaroid thickness after aforesaid operations
More than 100 μm, this functional polarizing piece is unable to satisfy bending radius operation in 5mm or less for being bent folding, folding product.
It is blocked up in order to solve functional polarizing piece thickness in the prior art, the caused need for being unable to satisfy flexible display screen
It asks, it is an object of that present invention to provide a kind of thinning functional polarizing piece and preparation method and application, with coating method in substrate
Upper production line polarisation and the mode of circle offset compensation film reach thinning, recycle the roll-to-roll anti-finger of coating using polaroid as substrate
Line, anti-glare, antireflection and anti scuffing membrane material, without traditional superposition polaroid film and multifunctional membrane is used, by existing skill
Multilayer functional membrane is integrated into a piece of in art, realizes the integration of multi-functional film layer, make its overall thickness drop to 100 μm hereinafter,
Realize the functional polarizing piece can be adapted for bending, fold product can satisfy bending radius operation in 5mm or less.
Technical solution
The technical problem that the present invention solves is to provide thinning functional polarizing piece, including be sequentially formed in substrate it
Circle offset compensation layer, line polarisation layer and the Multifunctional protective cuticular layer being coated on line polarisation layer of upper fitting, which is characterized in that
The Multifunctional protective cuticular layer is anti-fingerprint, anti-glare, antireflection and the anti scuffing composite material of integration.
The multi-functional film layer overall thickness is less than 100 μm, further preferably with a thickness of 20-100 μm, particularly preferably with a thickness of
40-100 μm, most preferred thickness is 40-80 μm.
The rotatory polarization compensation layer is 1/2 λ wavelength liquid crystal film being bonded each other and 1/4 λ wavelength liquid crystal film.
1/2 λ and 1/4 λ wavelength liquid crystal film is coated on PAF (light alignment film), under 1/4 λ wavelength liquid crystal film
The substrate of the PAF (light alignment film) of side is that COP cyclic olefin polymer or UTG strengthen ultra-thin glass.
The line polarisation layer includes TAC(Triafol T) substrate and the poly- second of PVA(that is successively coated on substrate
Enol) resin, thin glue and pressure-sensing glue.
Another technical problem that the present invention solves is to provide the preparation method of thinning functional polarizing piece, specifically include
Following steps:
Step S1: by PVA(polyvinyl alcohol) resin, thin glue and pressure-sensing glue be successively coated on TAC(Triafol T) base
On material, preparation line polarizing layer；
Step S2: PAF (light alignment film) and 1/4 λ wavelength liquid crystal are successively coated on COP cyclic olefin polymer or UTG
Strengthen on ultra thin glass substrates, prepares 1/4 λ wavelength liquid crystal film；
Step S3: PAF (light alignment film) and 1/2 λ wavelength liquid crystal are successively coated on PET (polyethylene terephthalate
Ester) on substrate, prepare 1/2 λ wavelength liquid crystal film；
Step S4: the lower section release film for removing polarizing layer PSA (pressure sensitive adhesive) is bonded with 1/2 λ wavelength liquid crystal, then removes PET
1/4 λ wavelength liquid crystal coatings are being bonded by substrate with one layer of PSA (pressure sensitive adhesive) with 1/2 λ wavelength liquid crystal coatings, obtain polaroid；
Step S5: in the TAC(Triafol T of polaroid) integrated anti-fingerprint, anti-glare, anti-is coated on substrate
Reflection and anti scuffing composite material, obtain thinning functional polarizing piece.
The step S1 specifically: (1) by PVA(polyvinyl alcohol) resin and deionized water and tackifier dissolve by heating at
Solution；(2) in TAC(Triafol T) one layer of PVA(polyvinyl alcohol is coated on substrate), dry cooling；Separately on it successively
One layer of thin glue of coating and pressure-sensing glue and PVA(polyvinyl alcohol) adhere to and protect PVA(polyvinyl alcohol), obtain line polarisation layer.
The step S2 specifically: (1) strengthen ultra thin glass substrates surface in COP cyclic olefin polymer or UTG and apply
Be dried after one layer of PAF of cloth (light alignment film), then using grating light shield irradiation complete light orientation, make 1/4 λ wavelength liquid crystal according to
Arrangement mode on irradiation grid arranges；(2) 1/4 λ wavelength liquid crystal is coated with coating process on PAF, after drying removes solvent,
The solidification of UV (ultraviolet light) irradiation is done under nitrogen environment, by allowing liquid crystal to be defined after the solidification according to PAF (light alignment film)
Direction arrangement.
The step S3 specifically: (1) be coated with one layer of PAF in PET (polyethylene terephthalate) substrate surface
It is dried after (light alignment film), then completes light orientation using grating light shield irradiation, make 1/2 λ wavelength liquid crystal according on grating
Arrangement mode arrange；(2) 1/2 λ wavelength liquid crystal is coated with coating process on PAF, after drying removes solvent, in nitrogen ring
The solidification of UV (ultraviolet light) irradiation is done under border, by allowing liquid crystal to be arranged after the solidification according to direction defined in PAF (light alignment film)
Column.
The step S4 specifically: (1) be bonded line polarisation layer with 1/2 λ wavelength liquid crystal coatings, by PSA (pressure sensitive adhesive)
Release film remove after be bonded with 1/2 λ wavelength liquid crystal film, remove PET base material, then by 1/4 λ wavelength liquid crystal coatings and polarizing layer and
1/2 λ wavelength liquid crystal coatings are bonded by one layer of PSA (pressure sensitive adhesive), and PSA (pressure sensitive adhesive) glue material is first affixed on 1/2 λ before fitting
It behind the wavelength liquid crystal coatings other side, then is bonded with 1/4 λ wavelength liquid crystal coatings, obtains polaroid.
Another technical problem that the present invention solves is to provide a kind of liquid crystal display, it is characterised in that uses institute as above
The thinning functional polarizing piece stated.
Another technical problem that the present invention solves is to provide a kind of displayer, it is characterised in that using as above
The thinning functional polarizing piece.
Beneficial effect
The present invention multilayer functional membrane will be integrated into a piece of in the prior art, realize the integration of multi-functional film layer, then
Be coated on substrate using roll-to-roll using polaroid as substrate, make the overall thickness of multi-functional film layer drop to 100 μm hereinafter,
It maintains its under identical optical property thinner, to realize for being bent folding, folding product, can satisfy bending radius operation
In 5mm or less.
The present invention further makes line polarisation in the manufacturing process of polaroid with coating method on substrate and circle is mended partially
The mode for repaying film, further makes polaroid achieve the effect that thinning, preferably can be applied to liquid crystal display and AMOLED is shown
Device can better meet the demand of flexible display material.
Detailed description of the invention
Fig. 1: line polarisation layer；
Fig. 2: 1/4 λ wavelength liquid crystal coatings preparation process；
Fig. 3: line polarisation layer is bonded process with circle compensation layer；
Fig. 4: polaroid overall structure.
Specific implementation method
Embodiment 1
Step S1:(1) by PVA(polyvinyl alcohol) resin and deionized water and tackifier dissolve by heating into solution；(2) exist
TAC(Triafol T) one layer of PVA(polyvinyl alcohol is coated on substrate), dry cooling；Separately successively coating is one layer thin on it
Glue and pressure-sensing glue and PVA(polyvinyl alcohol) adhere to and protect PVA(polyvinyl alcohol), obtain line polarisation layer；
Step S2:(1) in COP cyclic olefin polymer or UTG reinforcing one layer of PAF (light of ultra thin glass substrates surface coating
Alignment film) after be dried, then using grating light shield irradiation complete light orientation, make 1/4 λ wavelength liquid crystal according to the row on grating
Column mode arranges；(3) 1/4 λ wavelength liquid crystal is coated with coating process on PAF, after drying removes solvent, under nitrogen environment
The solidification of UV (ultraviolet light) irradiation is done, by allowing liquid crystal to arrange after the solidification according to direction defined in PAF (light alignment film).
Step S3:(1) after PET (polyethylene terephthalate) substrate surface is coated with one layer of PAF (light alignment film)
It is dried, then completes light orientation using grating light shield irradiation, do 1/2 λ wavelength liquid crystal according to the arrangement mode on grating
Arrangement；(2) 1/2 λ wavelength liquid crystal is coated with coating process on PAF, after drying removes solvent, it is (purple that UV is under nitrogen environment
Outer light) irradiation solidification, by allowing liquid crystal to arrange after the solidification according to direction defined in PAF (light alignment film).
Step S4:(1) line polarisation layer is bonded with 1/2 λ wavelength liquid crystal coatings, the release film of PSA (pressure sensitive adhesive) is removed
It is bonded afterwards with 1/2 λ wavelength liquid crystal film, removes PET base material, then by 1/4 λ wavelength liquid crystal coatings and polarizing layer and 1/2 λ wavelength liquid crystal
Film layer is bonded by one layer of PSA (pressure sensitive adhesive), and PSA (pressure sensitive adhesive) glue material is first affixed on 1/2 λ wavelength liquid crystal coatings before fitting
It behind the other side, then is bonded with 1/4 λ wavelength liquid crystal coatings, obtains polaroid.
Step S5: in the TAC(Triafol T of polaroid) integrated anti-fingerprint and anti-glare and anti-are coated on substrate
Reflection and anti scuffing composite material, obtain thinning functional polarizing piece.
The Multifunctional protective cuticular layer of gained polaroid with a thickness of 40-80 μm, use coating process make rotatory polarization mend
Repay layer can its thickness of thinning to 10 μm hereinafter, line polarisation layer PVA(polyvinyl alcohol) film thickness can be thinned to 20 μm hereinafter, replace it is existing
To do uniaxial extension production PVA(polyvinyl alcohol after iodine staining) polarisation is formed, in the case where maintaining identical optical property, its thickness is more
It is thin, to realize for being bent folding, folding product, it is seen that light transmittance is 43 ± 1%, and reflectivity is 5% ± 1%.In addition, can be straight
It connects using AMOLED encapsulation base material, as COP (cyclic olefin polymer) or UTG (strengthening ultra-thin glass) is mended as above-mentioned rotatory polarization
Layer substrate is repaid, it can be achieved that less with one layer of PSA (pressure sensitive adhesive), meanwhile, by TAC(Triafol T on polaroid) directly as anti-
Fingerprint/anti-glare/antireflection/anti-scratch substrate can lack one layer of substrate for being greater than 50 μm or more, such as: PET (poly terephthalic acid second
Diol ester)/transparent Polyimide (polyimides), the final optimum efficiency realized polaroid and reach thinning.
Claims (8)
1. a kind of thinning functional polarizing piece, including be sequentially formed in the circle offset compensation layer being bonded on substrate, line polarisation layer with
And it is coated on the Multifunctional protective cuticular layer on line polarisation layer, which is characterized in that the Multifunctional protective cuticular layer is integrated
Anti-fingerprint, anti-glare, antireflection and anti scuffing composite material, the composite material are to utilize the roll-to-roll TAC base in polaroid
It is coated with anti-fingerprint, anti-glare, antireflection and anti scuffing membrane material on material, realizes the integration of multi-functional film layer；It is described multi-functional
For film layer overall thickness less than 100 μm, the rotatory polarization compensation layer is 1/2 λ wavelength liquid crystal film being bonded each other and 1/4 λ wavelength liquid crystal
Film；1/2 λ and 1/4 λ wavelength liquid crystal film is coated on PAF (light alignment film), below 1/4 λ wavelength liquid crystal film
The substrate of PAF (light alignment film) is that COP cyclic olefin polymer or UTG strengthen ultra-thin glass.
2. thinning functional polarizing piece as described in claim 1, which is characterized in that the line polarisation layer includes tri- acetic acid of TAC(
Cellulose) substrate and the PVA(polyvinyl alcohol that is successively coated on substrate) resin, thin glue and pressure-sensing glue.
3. the preparation method of thinning functional polarizing piece of any of claims 1-2, specifically comprises the following steps:
Step S1: by PVA(polyvinyl alcohol) resin, thin glue and pressure-sensing glue be successively coated on TAC(Triafol T) substrate it
On, preparation line polarizing layer；
Step S2: PAF (light alignment film) and 1/4 λ wavelength liquid crystal are successively coated on COP cyclic olefin polymer or UTG strengthens
On ultra thin glass substrates, 1/4 λ wavelength liquid crystal film is prepared；
Step S3: PAF (light alignment film) and 1/2 λ wavelength liquid crystal are successively coated on PET (polyethylene terephthalate)
On substrate, 1/2 λ wavelength liquid crystal film is prepared；
Step S4: the lower section release film for removing polarizing layer PSA (pressure sensitive adhesive) is bonded with 1/2 λ wavelength liquid crystal, then removes PET base material,
1/4 λ wavelength liquid crystal coatings are being bonded with 1/2 λ wavelength liquid crystal coatings with one layer of PSA (pressure sensitive adhesive), are obtaining polaroid；
Step S5: in the TAC(Triafol T of polaroid) integrated anti-fingerprint, anti-glare, antireflection are coated on substrate
With anti scuffing composite material, thinning functional polarizing piece is obtained.
4. the preparation method of thinning functional polarizing piece as claimed in claim 3, it is characterised in that the step S1 is specific
Are as follows: (1) by PVA(polyvinyl alcohol) resin and deionized water and tackifier dissolve by heating into solution；(2) fine in tri- acetic acid of TAC(
Dimension element) one layer of PVA(polyvinyl alcohol is coated on substrate), dry cooling；Separately on it successively coating one layer of thin glue and pressure-sensing glue with
PVA(polyvinyl alcohol) adhere to and protect PVA(polyvinyl alcohol), obtain line polarisation layer.
5. the preparation method of thinning functional polarizing piece as claimed in claim 3, it is characterised in that the step S2 is specific
Are as follows: (1) strengthen ultra thin glass substrates surface one layer of PAF (light alignment film) of coating in COP cyclic olefin polymer or UTG and carries out afterwards
It is dry, light orientation then is completed using grating light shield irradiation, arranges 1/4 λ wavelength liquid crystal according to the arrangement mode on grating；
(2) 1/4 λ wavelength liquid crystal is coated with coating process on PAF and is UV (ultraviolet light) under nitrogen environment after drying removes solvent
Irradiation solidification.
6. the preparation method of thinning functional polarizing piece as claimed in claim 3, it is characterised in that the step S3 is specific
Are as follows: it is dried after PET (polyethylene terephthalate) substrate surface is coated with one layer of PAF (light alignment film), then makes
Light orientation is completed with grating light shield irradiation, arranges 1/2 λ wavelength liquid crystal according to the arrangement mode on grating；(2) on PAF
1/2 λ wavelength liquid crystal is coated with coating process, after drying removes solvent, the solidification of UV (ultraviolet light) irradiation is done under nitrogen environment, is led to
Liquid crystal is allowed to arrange according to direction defined in PAF (light alignment film) after crossing the solidification.
7. the preparation method of thinning functional polarizing piece as claimed in claim 3, it is characterised in that the step S4 is specific
Are as follows: (1) line polarisation layer is bonded with 1/2 λ wavelength liquid crystal coatings, the release film of PSA (pressure sensitive adhesive) is removed into rear and 1/2 λ wavelength
Liquid crystal fitting removes PET base material, then 1/4 λ wavelength liquid crystal coatings and polarizing layer and 1/2 λ wavelength liquid crystal coatings is passed through one layer
PSA (pressure sensitive adhesive) is bonded, after PSA (pressure sensitive adhesive) glue material is first affixed on the 1/2 λ wavelength liquid crystal coatings other side before fitting, then
It is bonded with 1/4 λ wavelength liquid crystal coatings, obtains polaroid.
8. a kind of liquid crystal display or displayer, it is characterised in that using of any of claims 1-2 thin
Change functional polarizing piece.
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| CN201610761474.7A CN106199812B (en) | 2016-08-30 | 2016-08-30 | A kind of thinning functional polarizing piece and its preparation method and application |
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| CN201610761474.7A CN106199812B (en) | 2016-08-30 | 2016-08-30 | A kind of thinning functional polarizing piece and its preparation method and application |
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| CN106199812B true CN106199812B (en) | 2019-08-06 |
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Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US9110230B2 (en) | 2013-05-07 | 2015-08-18 | Corning Incorporated | Scratch-resistant articles with retained optical properties |
| CN107507924A (en) * | 2017-08-11 | 2017-12-22 | 武汉华星光电半导体显示技术有限公司 | Form cover plate and preparation method |
| KR102391396B1 (en) * | 2017-09-28 | 2022-04-26 | 엘지디스플레이 주식회사 | Polarizing plate and flexible display device including the same |
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