CN107728399A - The color electric paper display screen and preparation method made using cholesteric liquid crystal - Google Patents
The color electric paper display screen and preparation method made using cholesteric liquid crystal Download PDFInfo
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- CN107728399A CN107728399A CN201711080075.5A CN201711080075A CN107728399A CN 107728399 A CN107728399 A CN 107728399A CN 201711080075 A CN201711080075 A CN 201711080075A CN 107728399 A CN107728399 A CN 107728399A
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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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/13718—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on a change of the texture state of a cholesteric liquid crystal
-
- 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
-
- 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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
Abstract
The present invention is the color electric paper display screen and preparation method made using cholesteric liquid crystal, the structure of color electric paper display screen includes " R " layer glass liquid crystal cell A, " G " layer glass liquid crystal cell B and " B " layer glass liquid crystal cell tri- layers of RGB glass cases of C, it is the two-sided glued membranes of OC2 between wherein " B " layer glass liquid crystal cell C and " G " layer glass liquid crystal cell B, is the two-sided glued membranes of OC1 between " G " layer glass liquid crystal cell B and " R " layer glass liquid crystal cell A.Preparation method, including " R " layer glass liquid crystal cell A, " G " layer glass liquid crystal cell B and " B " layer glass liquid crystal cell C are made respectively.Advantage:1)The performance of alternative reflected light, the light of the reflection trichromatic wavelength of RGB is produced, by controlling the trichromatic circuits of RGB to realize color effect;2)CF color membrane substrates can be saved, are realized in itself using liquid crystal;3)Technique is simple, only make one layer, other two layers with method of the same race duplication.
Description
Technical field
The present invention is to refer to a kind of point special with manufacture, utilizing cholesteric liquid crystal in LCD MODULE design
Sub- arrangement architecture, the chromatic liquid crystal screen and preparation method that can be produced with the performance of selective reflecting light, belongs to liquid crystal
The technical field of display screen.
Background technology
An information age is currently in, various information are filled in each corner of our life, brought to us
Endless information and chance.So the medium for obtaining information is also required to the development to grow with each passing hour, to meet people's continuous improvement
Information requirement, traditional information carrier such as paper media such as newspaper, magazine is just by electronic medium(TV, computer, mobile phone etc.)
Impact.But electronic medium is in itself there is also in place of some shortcomings, if not portable, the shortcomings of power consumption is high.Electronic Paper goes out
Now the acquisition of information approach to people brings some dawns.Cholesteric liquid crystal has the flowing of liquid as other liquid crystal
Property, morphotropism, viscosity, again have crystal optics anisotropy, be a kind of extraordinary nonlinear optical material.Unlike
It has spiral helicine molecule arranging structure, the optical property for making it have general liquid crystal not have.Such as rotation effect, circular dichroism
Property, helical effect, grid matrix effect, memory effect etc. are moved back, and selective reflecting can then make it be shown as colored.Such a method
The characteristics of:Using the special molecule arranging structure of cholesteric liquid crystal, reflection RGB can be produced with the performance of selective reflecting light
The light of trichromatic wavelength, by controlling the trichromatic circuits of RGB to realize color effect., can be with compared with the TFT of routine
CF color membrane substrates are saved, are realized in itself using liquid crystal.Comparatively technique is simple, as long as making wherein one layer, other two layers can
To be replicated with method of the same race.
The content of the invention
It is proposed by the present invention be it is a kind of using cholesteric liquid crystal make color electric paper display screen and preparation method, its mesh
The special construction with spiral helicine molecules align being intended to by cholesteric liquid crystal, there is rotation effect optics using liquid crystal
Performance make color electric paper display screen.
Technical scheme:The color electric paper display screen made using cholesteric liquid crystal, its structure include three layers
RGB glass cases, three layers of RGB glass cases are " R " layer glass liquid crystal cell A, " G " layer glass liquid crystal cell B and " B " layer glass metal
Brilliant box C, wherein be the two-sided glued membranes 16 of OC2 between " B " layer glass liquid crystal cell C and " G " layer glass liquid crystal cell B, " G " layer glass liquid crystal
It is the two-sided glued membranes 15 of OC1 between box B and " R " layer glass liquid crystal cell A.
Advantages of the present invention:Using the special molecule arranging structure of cholesteric liquid crystal, can with the performance of selective reflecting light,
The light of the reflection trichromatic wavelength of RGB is produced, by controlling the trichromatic circuits of RGB to realize color effect.With routine
TFT compare, CF color membrane substrates can be saved, realized in itself using liquid crystal.Comparatively technique is simple, as long as making wherein one
Layer, can be replicated for other two layers with method of the same race.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the color electric paper display screen made using cholesteric liquid crystal.
1 in accompanying drawing it is upper ito glass, 2 be frame glue, 3 be upper ITO layer, 4 be upper alignment film, 5 be pad, 6 is lower ITO
Layer, 7 be lower alignment film, 8 be lower ito glass, 9 be R ACF, 10 be R FPC, 11 be G ACF, 12 be G FPC, 13 be B ACF,
14 it is B FPC, 15 be the two-sided glued membranes of OC1,16 be the two-sided glued membranes of OC2,17 be 650 nm cholesteric liquid crystals, 18 is 550 nm cholesterics
Phase liquid crystal, 19 are 440 nm cholesteric liquid crystals.
Embodiment
As shown in figure 1, the color electric paper display screen made using cholesteric liquid crystal, its structure include three layers of RGB glass
Box, three layers of RGB glass cases are " R " layer glass liquid crystal cell A, " G " layer glass liquid crystal cell B and " B " layer glass liquid crystal cell C, its
In be the two-sided glued membranes 16 of OC2 between " B " layer glass liquid crystal cell C and " G " layer glass liquid crystal cell B, " G " layer glass liquid crystal cell B and " R "
It is the two-sided glued membranes 15 of OC1 between layer glass liquid crystal cell A
" R " the layer liquid crystal display cell, its structure include upper ito glass 1, lower ito glass 8, frame glue 2 and pad 5, wherein on
Ito glass 1, lower ito glass 8 are fixed by frame glue 2 and pad 5;
The thickness of " R " layer glass liquid crystal cell is 5.8 um,
It is upper ITO layers 3 under the upper ito glass 1, is lower ITO layer 6 on lower ito glass 8, between upper ITO layer 3 and lower ITO layer 6
It is cholesteric liquid crystal 17, the wavelength of the cholesteric liquid crystal 17 is 650 nm,
Described upper ITO layer 3 is etched into required desirable pattern with lower ITO layer 6, is coated with upper ito glass 1 and lower ito glass 8
Upper alignment film 4 and lower alignment film 7.
FPC R FPC10 are bound by anisotropy conductiving glue bar R ACF9 on lower ito glass 8, formed
" R " layer glass liquid crystal cell;It is upper in " G " layer liquid crystal display cell and " B " the layer liquid crystal display cell to distinguish between ITO layer and lower ITO layer
The nm cholesteric liquid crystals 18 of wavelength 550 and 440 nm cholesteric liquid crystals 19 are added, and use anisotropy conductiving glue bar G respectively
ACF11 and BACF13 binding FPC G FPC12 and B FPC14.
Embodiment
The method for making color electric paper display screen, comprises the following steps:
(1)Make " R " layer glass liquid crystal cell
1)Etched respectively by exposing on two pieces of ito glasses, form required pattern on the ito layer;
2)The coating of liquid crystalline alignment liquid SE3310 in the ITO layer for the ito glass that two pieces have been carved ITO pattern, thickness 700
Angstrom, it is heated to 220oLiquid crystal orienting film is formed after C solidifications.Then rubbed with friction cloth on alignment film and form groove;
3)In glass surrounding silk-screen printing top frame glue XN-5A-C, thickness is 10 microns, and 5.8um diameters are sprayed on glass
SP-206 is padded, density is 150/mm2, by two pieces of glass gluings together.180 degree hot pressing, which is burnt till, makes frame adhesive curing;
4)The liquid crystal injecting port of the liquid crystal sylphon formed after hardening utilizes vacuum impregnation injection cholesteric liquid crystal HRD650-
000.Inlet is coated into sealing compound 3781, then ultra-violet curing;
5)Add cleaning fluid to clean up with ultrasonic wave the liquid crystal cell for having been injected into liquid crystal, pass through anisotropy conductiving glue bar ACF
CP9731 binding FPC R.
(2)Make " G " layer glass liquid crystal cell
1)The step 1 of " R " layer glass liquid crystal cassette method is made with more than)、2)、3);
2)The liquid crystal injecting port of the liquid crystal sylphon formed after hardening utilizes vacuum impregnation injection cholesteric liquid crystal HRD550-
000, inlet is coated into sealing compound 3781, then ultra-violet curing;
3)Add cleaning fluid to clean up with ultrasonic wave the liquid crystal cell for having been injected into liquid crystal, pass through anisotropy conductiving glue bar ACF
CP9731 binding FPC G.
(3)Make " B " layer glass liquid crystal cell
1)" R " layer glass liquid crystal cassette method step 1 is made with more than)、2)、3);
2)The liquid crystal injecting port of the liquid crystal sylphon formed after hardening utilizes vacuum impregnation injection cholesteric liquid crystal HRD440-
000.Inlet is coated into sealing compound 3781, then ultra-violet curing;
3)Add cleaning fluid to clean up with ultrasonic wave the liquid crystal cell for having been injected into liquid crystal, pass through anisotropy conductiving glue bar ACF
CP9731 binding FPC B.
(4)" R " the layer glass liquid crystal cell made, " G " layer glass liquid crystal cell, " B " layer glass liquid crystal cell is double by OC1
Face glued membrane 15 and the two-sided glued membranes 16 of OC2 are pasted into color electric paper display screen made of cholesteric liquid crystal.
Claims (8)
1. the color electric paper display screen made using cholesteric liquid crystal, it is characterized in that including three layers of RGB glass cases, described three
Layer RGB glass cases are " R " layer glass liquid crystal cell A, " G " layer glass liquid crystal cell B and " B " layer glass liquid crystal cell C, wherein " B " layer glass
It is the two-sided glued membranes of OC2, " G " layer glass liquid crystal cell B and " R " layer glass liquid crystal cell between glass liquid crystal cell C and " G " layer glass liquid crystal cell B
It is the two-sided glued membranes of OC1 between A.
2. the color electric paper display screen according to claim 1 made using cholesteric liquid crystal, it is characterized in that " R "
Layer liquid crystal display cell, its structure include upper ito glass, lower ito glass, frame glue and pad, wherein upper ito glass, lower ito glass
Fixed by frame glue and pad.
3. the color electric paper display screen according to claim 2 made using cholesteric liquid crystal, it is characterized in that on described
It is upper ITO layers under ito glass, is lower ITO layer on lower ito glass, is 650 cholesteric liquid crystals between upper ITO layer and lower ITO layer,
The wavelength of the cholesteric liquid crystal is 650 nm.
4. the color electric paper display screen according to claim 2 made using cholesteric liquid crystal, it is characterized in that described
Upper ITO layer is etched into required desirable pattern with lower ITO layer, and alignment film and lower orientation are scribbled on upper ito glass and lower ito glass
Film.
5. the color electric paper display screen according to claim 4 made using cholesteric liquid crystal, it is characterized in that described
Lower ito glass binds FPC by anisotropy conductiving glue bar.
6. the color electric paper display screen according to claim 1 made using cholesteric liquid crystal, it is characterized in that " R "
The thickness of layer liquid crystal display cell is 5.8 um.
7. the color electric paper display screen according to claim 1 made using cholesteric liquid crystal, it is characterized in that " G "
It is upper in layer liquid crystal display cell and " B " layer liquid crystal display cell that the nm cholesteric liquid crystals of wavelength 550 are separately added between ITO layer and lower ITO layer
With 440 nm cholesteric liquid crystals, and pass through anisotropy conductiving glue bar G ACF and BACF respectively and bind FPC G FPC
With B FPC.
8. the preparation method of the color electric paper display screen made as claimed in claim 1 using cholesteric liquid crystal, its feature
It is to comprise the following steps:
(1)The method for making " R " layer glass liquid crystal cell, comprises the following steps:
1)Etched respectively by exposing on two pieces of ito glasses, form required pattern on the ito layer;
2)The coating of liquid crystalline alignment liquid SE33 in the ITO layer for the ito glass that two pieces have been carved ITO pattern, thickness are 700 angstroms,
It is heated to 220oLiquid crystal orienting film is formed after C solidifications, then being rubbed with friction cloth on alignment film forms groove;
3)In glass surrounding silk-screen printing top frame glue XN-5A-C, thickness is 10 microns, and 5.8um diameters are sprayed on glass
SP-206 is padded, density is 150/mm2, 180 degree hot pressing, which is burnt till, makes frame adhesive curing by two pieces of glass gluings together;
4)The liquid crystal injecting port of the liquid crystal sylphon formed after hardening utilizes vacuum impregnation injection cholesteric liquid crystal HRD650-
000, inlet is coated into sealing compound 3781, then ultra-violet curing;
5)Add cleaning fluid to clean up with ultrasonic wave the liquid crystal cell for having been injected into liquid crystal, pass through anisotropy conductiving glue bar ACF
CP9731 binding FPC R;
(2)The method for making " G " layer glass liquid crystal cell, comprises the following steps:
1)The step 1 of " R " layer glass liquid crystal cassette method is made with more than)、2)、3);
2)The liquid crystal injecting port of the liquid crystal sylphon formed after hardening utilizes vacuum impregnation injection cholesteric liquid crystal HRD550-
000, inlet is coated into sealing compound 3781, then ultra-violet curing;
3)Add cleaning fluid to clean up with ultrasonic wave the liquid crystal cell for having been injected into liquid crystal, pass through anisotropy conductiving glue bar ACF
CP9731 binding FPC G;
(3)The method for making " B " layer glass liquid crystal cell, comprises the following steps:
1)" R " layer glass liquid crystal cassette method step 1 is made with more than)、2)、3);
2)The liquid crystal injecting port of the liquid crystal sylphon formed after hardening utilizes vacuum impregnation injection cholesteric liquid crystal HRD440-
000, inlet is coated into sealing compound 3781, then ultra-violet curing;
3)Add cleaning fluid to clean up with ultrasonic wave the liquid crystal cell for having been injected into liquid crystal, pass through anisotropy conductiving glue bar ACF
CP9731 binding FPC B;
(4)" R " the layer glass liquid crystal cell made, " G " layer glass liquid crystal cell, " B " layer glass liquid crystal cell are passed through into OC1 double faced adhesive tapes
Film and the two-sided glued membranes of OC2 are pasted into color electric paper display screen made of cholesteric liquid crystal;With three-layer-liquid crystalline substance box, made by allotment
Every layer of liquid crystal reflects RGB three primary colors respectively, realizes that the pixel of colour is shown, reaches the effect of colored display.
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CN201711080075.5A CN107728399A (en) | 2017-11-06 | 2017-11-06 | The color electric paper display screen and preparation method made using cholesteric liquid crystal |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109407437A (en) * | 2018-11-19 | 2019-03-01 | 南京华日触控显示科技有限公司 | The ultra-thin glass structure cholesteric phase chromatic liquid crystal screen of glass Milling Technique In The Microstructure Study production |
CN109597258A (en) * | 2018-11-19 | 2019-04-09 | 南京华日触控显示科技有限公司 | A kind of membrane structure cholesteric liquid crystal display screen that bonding goes bonding process to make |
CN109613779A (en) * | 2018-12-19 | 2019-04-12 | 南京华日触控显示科技有限公司 | The membrane structure cholesteric liquid crystal display screen and preparation method thereof of laser ablation production |
CN112764275A (en) * | 2021-02-23 | 2021-05-07 | 南京华日触控显示科技有限公司 | Liquid crystal box with silicon spheres arranged inside and epoxy resin supporting box thickness and preparation method thereof |
CN115220271A (en) * | 2022-04-27 | 2022-10-21 | 友达光电股份有限公司 | Display device |
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CN104238166A (en) * | 2014-10-20 | 2014-12-24 | 南京华日触控显示科技有限公司 | LCD module and method for improving interference resistance of LCD |
CN106444201A (en) * | 2016-12-08 | 2017-02-22 | 南京华日触控显示科技有限公司 | Guest-host type liquid crystal display and preparation method thereof |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109407437A (en) * | 2018-11-19 | 2019-03-01 | 南京华日触控显示科技有限公司 | The ultra-thin glass structure cholesteric phase chromatic liquid crystal screen of glass Milling Technique In The Microstructure Study production |
CN109597258A (en) * | 2018-11-19 | 2019-04-09 | 南京华日触控显示科技有限公司 | A kind of membrane structure cholesteric liquid crystal display screen that bonding goes bonding process to make |
CN109613779A (en) * | 2018-12-19 | 2019-04-12 | 南京华日触控显示科技有限公司 | The membrane structure cholesteric liquid crystal display screen and preparation method thereof of laser ablation production |
CN112764275A (en) * | 2021-02-23 | 2021-05-07 | 南京华日触控显示科技有限公司 | Liquid crystal box with silicon spheres arranged inside and epoxy resin supporting box thickness and preparation method thereof |
CN115220271A (en) * | 2022-04-27 | 2022-10-21 | 友达光电股份有限公司 | Display device |
CN115220271B (en) * | 2022-04-27 | 2023-09-01 | 友达光电股份有限公司 | display device |
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