CN103454811A - Manufacturing device and method for liquid crystal orientation layer - Google Patents
Manufacturing device and method for liquid crystal orientation layer Download PDFInfo
- Publication number
- CN103454811A CN103454811A CN2013104152583A CN201310415258A CN103454811A CN 103454811 A CN103454811 A CN 103454811A CN 2013104152583 A CN2013104152583 A CN 2013104152583A CN 201310415258 A CN201310415258 A CN 201310415258A CN 103454811 A CN103454811 A CN 103454811A
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- liquid
- orientation
- substrate
- crystal aligning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a manufacturing device and method for a liquid crystal orientation layer, and aims to solve the problems that as the diffusion of orientation liquid completely depends on the liquidity of liquid, a liquid orientation layer is bad in points, lines and surfaces and further the display of a liquid crystal displayer is bad during the manufacturing process of the current liquid crystal orientation layer. The manufacturing device for the liquid crystal orientation layer comprises a spraying device and an ultrasonic transmitter, wherein the spraying device is used for coating the orientation liquid onto a substrate, and the ultrasonic transmitter is used for transmitting ultrasonic waves to the orientation liquid. Through the mechanical action and cavitation of the ultrasonic waves, the manufacturing device and the method for the liquid crystal orientation layer solve the problem that the diffusion resistance of the orientation liquid is larger due to the unevenness of the surface of the substrate. Meanwhile the solute of the orientation liquid is uniformly diffused in a solvent, and therefore the liquid crystal orientation layer with a good performance is formed.
Description
Technical field
The present invention relates to the demonstration field, relate in particular to producing device and the method for the liquid crystal aligning layer of liquid crystal indicator.
Background technology
Liquid crystal display generally includes color membrane substrates and the array base palte be oppositely arranged.Also be provided with layer of liquid crystal molecule between described color membrane substrates and array base palte.Described color membrane substrates and array base palte are typically provided with liquid crystal aligning layer in the side towards liquid crystal molecule.The technique of the described liquid crystal aligning layer of existing making is as follows:
To be orientated liquid by ink-jetting process and drip on substrate by shower nozzle, orientation liquid gravity, surface tension and and substrate between invade under the effect of humidity, spread film forming on substrate, then by solidifying described orientation liquid, thereby form liquid crystal aligning layer.
In said method, the diffusion of orientation liquid depend on fully orientation liquid gravity, surface tension and and substrate between invade humidity, wettability due to substrate itself and orientation between liquid, the flatness of substrate surface not and the solute in orientation liquid in solvent, disperse inhomogeneous, be easy to cause liquid crystal aligning layer appearance point, the line, local bad of formation.And in real process, no matter be on array base palte or color membrane substrates, much structures for showing had all been formed before forming liquid crystal aligning layer, these structures cause the surface of substrate out-of-flatness to occur, and high-resolution display, the flatness of substrate before forming liquid crystal aligning layer is just poorer.
Comprehensively above-mentioned, provide that a kind of can to avoid the problems referred to above and form the second best in quality liquid crystal aligning layer of performance be urgent problem.
Summary of the invention
(1) goal of the invention
For the problems referred to above, the present invention aims to provide and a kind ofly can make to be orientated liquid evenly coating on irregular substrate, and makes to be orientated solute full and uniform dispersion in liquid in solvent, with producing device and the method that forms high performance liquid crystal aligning layer.
(2) technical scheme
For reaching above-mentioned purpose, the producing device of liquid crystal aligning layer of the present invention, comprise in order to apply the spray equipment of orientation liquid on substrate, and in order to described orientation liquid, to launch hyperacoustic ultrasonic transmitter.
Preferably,
Along the direction parallel with described substrate, described ultrasonic transmitter is arranged at least one side of described spray equipment.
Preferably, along the direction parallel with described substrate, the both sides that described spray equipment is relative all are installed with described ultrasonic transmitter.
Preferably, described ultrasonic transmitter is positioned at a side of described spray equipment; Described producing device also comprises the spinner around described spray equipment rotation in order to described ultrasonic transmitter.
Preferably, described ultrasonic transmitter is installed in a side of described spray equipment; Described producing device also comprises to be used so that the slewing of described ultrasonic transmitter and the rotation of described spray equipment.
For reaching above-mentioned purpose, the method for making of liquid crystal aligning layer of the present invention comprises:
Apply orientation liquid on substrate;
Apply ultrasound wave to described orientation liquid.
Further, after described orientation liquid applies ultrasound wave, also comprise and adopt ultraviolet ray or the described orientation liquid of hot setting, to form liquid crystal aligning layer.
Further, described hyperacoustic frequency range is 40～130khz.
Further, describedly apply ultrasound wave to described orientation liquid when applying orientation liquid on substrate.
Further,
Apply orientation liquid on substrate, and, after described orientation liquid has applied, to described orientation liquid, apply ultrasound wave.
Further, described substrate is array base palte or color membrane substrates.
(3) beneficial effect of liquid crystal aligning layer producing device of the present invention and method
Liquid crystal aligning layer manufacturing method thereof of the present invention and device, apply ultrasound wave by the liquid crystal aligning liquid to being coated on substrate, make to be orientated liquid under hyperacoustic machinery and cavitation, overcome the resistance that the substrate out-of-flatness causes, evenly diffusion on substrate, and make the solute be orientated in liquid fully be dissolved in solvent simultaneously, thereby can form well behaved liquid crystal aligning layer.Avoided orientation liquid because substrate uneven causes being orientated that the liquid diffusion is bad, the became uneven that makes the liquid crystal aligning layer that forms and then disorderly and unsystematic while causing liquid crystal aligning, thereby form the bad of dim spot, color spot, point-line-surface, the solute simultaneously be orientated in liquid is dissolved in solvent more uniformly, thereby make the homogeneity of orientation liquid better, thereby make the homogeneity of liquid crystal aligning layer of formation also better.
The accompanying drawing explanation
One of schematic diagram when the producing device that Fig. 1 is the embodiment of the present invention two described liquid crystal aligning layers is made liquid crystal aligning layer;
Two of schematic diagram when the producing device that Fig. 2 is the embodiment of the present invention two described liquid crystal aligning layers is made liquid crystal aligning layer;
The plan structure schematic diagram of the producing device that Fig. 3 is the liquid crystal aligning layer shown in Fig. 2;
Fig. 4 is the described liquid crystal aligning layer manufacturing method thereof of the embodiment of the present invention one schematic flow sheet; .
Embodiment
Below in conjunction with Figure of description and embodiment, the present invention is described further.
Embodiment mono-:
The producing device of the described liquid crystal aligning layer of the present embodiment, comprise the spray equipment in order to apply orientation liquid and launch hyperacoustic ultrasonic transmitter in order to orientation liquid after coating.
The producing device of the described liquid crystal aligning layer of the present embodiment has increased ultrasonic transmitter in traditional equipment, and with so that orientation liquid is dispersed on substrate, and the solute that makes to be orientated in liquid is dispersed in solvent.At spray equipment described in concrete implementation process with described ultrasonic transmitter for separating setting, can be also not separate setting.Preferably be arranged on a shower nozzle side wherein of described spray equipment at the wave launcher of excusing from death described in concrete implementation process.
Specifically as shown in Figure 1, the producing device of the described liquid crystal aligning layer of the present embodiment comprises spray equipment 130 and the ultrasonic transmitter 140 be separated from each other.Described spray equipment 130 drips orientation liquid drop 160 on substrate 110 and substrate 120, and described ultrasonic transmitter 140 produces ultrasound wave and, to orientation liquid emission ultrasound wave, makes to be orientated smooth being dispersed on substrate uniformly of liquid.As 170 expressions in Fig. 1 is the form of the liquid crystal aligning liquid after ul-trasonic irradiation.In concrete implementation process, spray equipment and ultrasonic transmitter can be distributed on adjacent station, and ultrasound wave is positioned at next station of described spray equipment, described substrate is under the effect of transport tape or transmission board, order, through the described station that is provided with spray equipment and ultrasonic transmitter, is processed thereby completed the coating and the ultrasound wave that are orientated liquid.
Adopt said structure, it is static that the producing device of described liquid crystal aligning layer keeps, and realize relative motion between producing device and array base palte by transmission base plate, thereby the improvement of carrying out is few on the basis of conventional apparatus, thereby realizes easy.
In concrete implementation process, described ultrasonic transmitter can also contact setting with described spray equipment, concrete comprises following several mode:
Described ultrasonic transmitter is arranged at least one side of described spray equipment.While adopting this structure, described spray equipment sprays forwardly and will be orientated liquid and spray out, and described ultrasonic transmitter is just launched ultrasound wave in the wings, thereby realizes that limit coated side ultrasonication is in orientation liquid.When a side of described spray equipment only is provided with described ultrasonic transmitter, the direction of relative movement of the producing device of substrate and liquid crystal aligning layer can be only a direction, but because the number of ultrasonic transmitter is few, thereby saved equipment cost.
When the relative both sides of described spray equipment all be installed with described ultrasonic transmitter the direction of relative movement of described substrate and liquid crystal aligning layer comprise both direction, when the producing device of controlling described liquid crystal aligning liquid during with respect to described substrate motion, vacate station after a substrate completes the coating of described orientation liquid and hyperacoustic effect, start a rear substrate is applied to described orientation liquid.The producing device of described liquid crystal aligning layer can be started working from current location, and starts working without the opposite side that is returned to substrate, thereby has improved work efficiency.Concrete as shown in Fig. 2-Fig. 3, the ultrasonic transmitter 251,252 that the producing device of described liquid crystal aligning layer comprises spray equipment 240 and is fixedly connected on spray equipment 240 both sides.The producing device of current described liquid crystal layer and the direction of relative movement of the described substrate direction for being marked as arrow 260, current in running order ultrasonic transmitter is 251, its generation emission ultrasound wave 250.Described orientation liquid 220 drops of described spray equipment 240 spraying, described drop, under the effect of ultrasound wave 250, has formed orientation liquid film 230.
In concrete implementation process, when described ultrasonic transmitter is while being movably connected in a side of described spray equipment, same can realizing starts from the both sides of substrate to be orientated oozing and ul-trasonic irradiation of liquid, specific as follows:
The first: described ultrasonic transmitter only is positioned at a side of described spray equipment; Described producing device also comprises the spinner around described spray equipment rotation in order to described ultrasonic transmitter.In the specific implementation process, described excusing from death wave launcher can be around described spray equipment Rotate 180 downward or upward, the opposite side from a sideway swivel to this side.Concrete described spinner can be comprise one be looped around the rotary rail of described spray equipment periphery, described ultrasonic transmitter is suspended on described rotary rail below, described ultrasonic transmitter can be around described spray equipment motion under the effect of drive unit.Concrete described drive unit can be rotation motor.Adopt said structure, both save a set of ultrasonic transmitter, the producing device of described liquid crystal aligning layer can be started working from least both direction of substrate simultaneously.
The second, described ultrasonic transmitter is installed in a side of described spray equipment; Described producing device also comprises to be used so that the slewing of described ultrasonic transmitter and the rotation of described spray equipment.At the present embodiment, spray equipment and ultrasonic transmitter are together rotated, concrete described slewing can be the structures such as rotatable mechanical arm.Same, said structure had both been save a set of ultrasonic transmitter, and the producing device of described liquid crystal aligning layer can be started working from least both direction of substrate simultaneously.
The liquid crystal aligning layer comprehensively above-mentioned, that the producing device of the described liquid crystal aligning layer of the present embodiment is produced, have the advantages such as homogeneity is good.
Embodiment mono-:
The method for making of the present embodiment liquid crystal aligning layer comprises:
Apply orientation liquid on substrate;
Apply ultrasound wave to described orientation liquid.
Ultrasound wave is generally the sound wave of frequency more than 20 KHz, have advantages of that directivity, penetration capacity are strong, in liquid, than people's ear, can hear that the velocity of propagation of sound wave is fast, and, in concrete implementation procedure, described ultrasound wave has very strong mechanical effect and cavitation.
Described mechanical effect shows that hyperacoustic sound wave has very strong shock effect in transmitting procedure, thereby can cross over the dispersed power that provides of resistance for orientation liquid at irregular substrate surface by the vibrations of mechanical effect, the solute that simultaneously makes to be orientated in liquid disperses more even in solvent.
Described cavitation is due under hyperacoustic effect, makes to be orientated the inner minute bubbles that much formed by gas that produce of liquid.The reason that produces minute bubbles has:
First: orientation liquid inside, under hyperacoustic effect, local tension occurs and forms negative pressure, and the reduction of pressure makes originally to be dissolved in the dissolved gas supersaturation of liquid, and then gas overflowing, thereby forms minute bubbles;
Second: powerful tension is greater than the cohesion between fluid molecule, thereby pull appearance, " tears " and has formed a part of cavity and realize cavitation.
The minute bubbles that cavitation forms can produce very high instantaneous pressure when breaking, thereby produced very strong mechanical effect, strengthened the effect of solution molecule diffusion, breaking of minute bubbles also can act on solute simultaneously, the solute of gathering is broken up, impelled solute better to be dissolved in solvent.
In sum, ultrasound wave is for the making of liquid crystal aligning layer, there is following benefit: by mechanical effect and cavitation, thereby can make to be orientated liquid and well overcome the substrate surface out-of-flatness, thereby more uniform diffusion on substrate, thereby form the good oriented layer of homogeneity, and then not there will be the oriented layer sunburner, the problem that local thickness is inadequate.Simultaneously under hyperacoustic shock effect, better thereby the solute in orientation liquid is dispersed in the homogeneity of the oriented layer everywhere formed in solvent more uniformly.
In concrete implementation process, after described ul-trasonic irradiation, need to solidify described orientation liquid, curing method comprises multiple, concrete as air-dry.But, in order to accelerate to solidify to enhance productivity, preferably adopt in the present embodiment ultraviolet curing or hot setting.
Concrete implementation process at least comprises following two kinds of embodiments:
Embodiment one, as shown in Figure 4, the described liquid crystal aligning layer manufacturing method thereof that the present embodiment provides comprises:
Step S1: apply orientation liquid on substrate;
Step S2: after completing at whole substrate the coating that is orientated liquid, to described orientation liquid, apply ultrasound wave.
Comprise in addition step S3: solidify described orientation liquid and form oriented layer.Can adopt embodiment mono-when concrete the making in, the device described in Fig. 1 is realized.
Described liquid crystal aligning layer can be positioned on array base palte or be positioned at the liquid crystal aligning layer on color membrane substrates.
Embodiment two, the described liquid crystal aligning layer manufacturing method thereof that the present embodiment provides comprises:
Steps A: apply orientation liquid on substrate;
Step B: to described orientation liquid, apply ultrasound wave;
And steps A and step B synchronously carry out.In concrete manufacturing process, can adopt producing device as described as Fig. 2-Fig. 3 to realize.
In concrete manufacturing process, described hyperacoustic frequency range 40～130khz.。Common described ultrasound wave can be 41khz, 45khz, 60khz, 80khz, 85khz, 90khz, 95khz, 100khz, 110khz, 120khz, 125khz.Described hyperacoustic frequency is not less than 40khz not higher than 130khz in the present embodiment.The ultra sonic machinery effect of said frequencies and cavitation are all very strong, and generation is comparatively simple and cost is low.
In concrete implementation procedure, usually described orientation liquid is applied to hyperacoustic time for being not less than 1s, concrete can be the concrete parameters such as 1.5s, 2s, 3s.The time of ul-trasonic irradiation need to require to be arranged according to flatness, the oriented layer homogeneity of substrate.Can realize the control of ul-trasonic irradiation time by the speed of related movement of controlling producing device and substrate when adopting embodiment two.
Substrate described in embodiment one and embodiment two can be arbitrary substrate for liquid crystal indicator, and concrete can be color membrane substrates or array base palte; Color membrane substrates is the substrate that is provided with the color blocking layer, and array base palte is the substrate that is provided with pixel electrode and thin film transistor (TFT).
The method for making of the described liquid crystal aligning layer of comprehensive above-mentioned the present embodiment, method for making with respect to existing liquid crystal aligning layer, machinery and cavitation by the excusing from death ripple make orientation liquid solute Distribution in the more even and orientation liquid of substrate coating more even, thereby improved the quality of oriented layer, avoided sunburner, part excessively thin, Local Solute is piled up and the problem of the sparse oriented layer poor performance caused of Local Solute, and then has avoided the demonstration caused because of oriented layer of the liquid crystal indicator that forms bad.
Above embodiment is only for illustrating the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (11)
1. the producing device of a liquid crystal aligning layer, is characterized in that, comprise in order to apply the spray equipment of orientation liquid on substrate, and in order to described orientation liquid, to launch hyperacoustic ultrasonic transmitter.
2. the producing device of liquid crystal aligning layer according to claim 1, is characterized in that,
Along the direction parallel with described substrate, described ultrasonic transmitter is arranged at least one side of described spray equipment.
3. the producing device of liquid crystal aligning layer according to claim 2, is characterized in that, along the direction parallel with described substrate, the both sides that described spray equipment is relative all are installed with described ultrasonic transmitter.
4. the producing device of liquid crystal aligning layer according to claim 2, is characterized in that, described ultrasonic transmitter is positioned at a side of described spray equipment; Described producing device also comprises to be used so that the spinner that described ultrasonic transmitter rotates around described spray equipment.
5. the producing device of liquid crystal aligning layer according to claim 2, is characterized in that, described ultrasonic transmitter is installed in a side of described spray equipment; Described producing device also comprises to be used so that the slewing of described ultrasonic transmitter and the rotation of described spray equipment.
6. the method for making of a liquid crystal aligning layer, is characterized in that, comprising:
Apply orientation liquid on substrate;
Apply ultrasound wave to described orientation liquid.
7. the method for making of liquid crystal aligning layer according to claim 6, is characterized in that, after described orientation liquid applies ultrasound wave, also comprises and adopt ultraviolet ray or the described orientation liquid of hot setting, thereby form liquid crystal aligning layer.
8. according to the method for making of claim 6 or 7 described liquid crystal orientation films, it is characterized in that, described hyperacoustic frequency range is 40～130khz.
9. according to the method for making of claim 6 or 7 described liquid crystal orientation films, it is characterized in that, describedly apply ultrasound wave to described orientation liquid when applying orientation liquid on substrate.
10. according to the method for making of claim 6 or 7 described liquid crystal orientation films, it is characterized in that,
Apply orientation liquid on substrate, and, after described orientation liquid has applied, to described orientation liquid, apply ultrasound wave.
11. the method for making according to claim 6 or 7 described liquid crystal orientation films, is characterized in that, described substrate is array base palte or color membrane substrates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310415258.3A CN103454811B (en) | 2013-09-12 | 2013-09-12 | The producing device of liquid crystal aligning layer and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310415258.3A CN103454811B (en) | 2013-09-12 | 2013-09-12 | The producing device of liquid crystal aligning layer and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103454811A true CN103454811A (en) | 2013-12-18 |
| CN103454811B CN103454811B (en) | 2016-09-07 |
Family
ID=49737358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310415258.3A Expired - Fee Related CN103454811B (en) | 2013-09-12 | 2013-09-12 | The producing device of liquid crystal aligning layer and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103454811B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894680A (en) * | 2017-12-19 | 2018-04-10 | 武汉华星光电技术有限公司 | A kind of alignment film coating method and device |
| CN108944085A (en) * | 2018-06-22 | 2018-12-07 | 京东方科技集团股份有限公司 | A kind of vacuum drying cabinet, Minton dryer and vacuum drying method |
| CN109901321A (en) * | 2019-04-02 | 2019-06-18 | 深圳市华星光电技术有限公司 | Thin-film transistor array base-plate and display panel |
| CN113814144A (en) * | 2021-09-27 | 2021-12-21 | 广东灿达股份有限公司 | TFT-LCD display panel manufacturing method and display panel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4412724A (en) * | 1981-03-30 | 1983-11-01 | Raj Technology Partnership | Striating liquid crystal display substrates with ultrasonically cavitating bubble beams |
| CN1641448A (en) * | 2004-01-10 | 2005-07-20 | 中国科学院长春光学精密机械与物理研究所 | Method for preparing molecular self-assembling reinforced light-operated oriented membrane |
| KR20060069764A (en) * | 2004-12-18 | 2006-06-22 | 엘지.필립스 엘시디 주식회사 | Apparatus for fabricating liquid crystal display |
| CN101148591A (en) * | 2007-10-16 | 2008-03-26 | 北京科技大学 | Method for preparing liquid crystal thin film material with controllable reflection bandwidth |
| US20100002184A1 (en) * | 2008-07-01 | 2010-01-07 | Samsung Electronics Co., Ltd. | Method of manufacturing a liquid crystal display |
-
2013
- 2013-09-12 CN CN201310415258.3A patent/CN103454811B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4412724A (en) * | 1981-03-30 | 1983-11-01 | Raj Technology Partnership | Striating liquid crystal display substrates with ultrasonically cavitating bubble beams |
| CN1641448A (en) * | 2004-01-10 | 2005-07-20 | 中国科学院长春光学精密机械与物理研究所 | Method for preparing molecular self-assembling reinforced light-operated oriented membrane |
| KR20060069764A (en) * | 2004-12-18 | 2006-06-22 | 엘지.필립스 엘시디 주식회사 | Apparatus for fabricating liquid crystal display |
| CN101148591A (en) * | 2007-10-16 | 2008-03-26 | 北京科技大学 | Method for preparing liquid crystal thin film material with controllable reflection bandwidth |
| US20100002184A1 (en) * | 2008-07-01 | 2010-01-07 | Samsung Electronics Co., Ltd. | Method of manufacturing a liquid crystal display |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894680A (en) * | 2017-12-19 | 2018-04-10 | 武汉华星光电技术有限公司 | A kind of alignment film coating method and device |
| CN108944085A (en) * | 2018-06-22 | 2018-12-07 | 京东方科技集团股份有限公司 | A kind of vacuum drying cabinet, Minton dryer and vacuum drying method |
| CN109901321A (en) * | 2019-04-02 | 2019-06-18 | 深圳市华星光电技术有限公司 | Thin-film transistor array base-plate and display panel |
| CN113814144A (en) * | 2021-09-27 | 2021-12-21 | 广东灿达股份有限公司 | TFT-LCD display panel manufacturing method and display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103454811B (en) | 2016-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103454811A (en) | Manufacturing device and method for liquid crystal orientation layer | |
| CN203437271U (en) | Coating device | |
| CN103995397A (en) | Spray coating device and oriented liquid coating method | |
| CN104536211B (en) | A kind of preparation method of display panel, display device and display panel | |
| WO2011131121A1 (en) | Gumming device and method | |
| JP2001356313A (en) | In-line system for liquid crystal display device, manufacturing device for constructing the same and manufacturing method of liquid crystal display device | |
| US20130065333A1 (en) | Method and apparatus for forming alignment film | |
| CN105785662B (en) | A kind of alignment film printing version, alignment film printing device and orientation membrane preparation method | |
| WO2015100823A1 (en) | Method and apparatus for coating alignment film | |
| CN205723639U (en) | A kind of sealed plastic box structure, display floater and display device | |
| CN112707646A (en) | Production process of ultrathin glass | |
| JP2006259743A (en) | Method for manufacturing liquid crystal display element | |
| CN102323696B (en) | Liquid crystal coating device and method | |
| CN109765730B (en) | Alignment film manufacturing method and alignment film | |
| CN104698686B (en) | Plate hanging device and alignment film coating system | |
| JP4602925B2 (en) | Liquid crystal display element and manufacturing method thereof | |
| JP4209146B2 (en) | Liquid crystal display element and manufacturing method thereof | |
| CN108580111A (en) | Alignment Coating Equipment and coating method | |
| CN106200136B (en) | A kind of sealant and display panel | |
| CN107894680A (en) | A kind of alignment film coating method and device | |
| WO2020077799A1 (en) | Oled display panel and preparation method therefor | |
| CN108121118A (en) | Liquid crystal coating equipment | |
| WO2016061834A1 (en) | Method and apparatus for coating polyimide | |
| US20130022738A1 (en) | Liquid crystal coating apparatus and method, and supporting stage | |
| CN218585149U (en) | Liquid crystal dripping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20210912 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |