CN109932842A - A method of reducing PI liquid cost - Google Patents
A method of reducing PI liquid cost Download PDFInfo
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- CN109932842A CN109932842A CN201910255593.9A CN201910255593A CN109932842A CN 109932842 A CN109932842 A CN 109932842A CN 201910255593 A CN201910255593 A CN 201910255593A CN 109932842 A CN109932842 A CN 109932842A
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Abstract
The invention discloses a kind of methods of reduction PI liquid cost of PI liquid technical field, ITO pattern processing procedure: ito glass pattern process is completed by yellow light process, using relief printing plate, one layer of PI alignment films are printed on ITO pattern, it is rubbed after hot setting with tweed, with the frame film pattern of the method for silk-screen printed design on ito glass, pass through hot pressing, baking forms frame heat cure, after cutting, liquid crystal is fed into liquid crystal cell, the present invention is progress PI liquid mixing under the premise of pre-tilt angle is measurable, reaching reduces production cost while original pre-tilt angle being maintained to be slightly variable, so that display effect indifference compared with original effect, the present invention is under the advantages of remaining lower economic cost, it ensure that the stabilization of product quality, production and operation cost is reduced simultaneously, it is competing to improve product Strive power.
Description
Technical field
The present invention relates to PI liquid technical field, specially a kind of method for reducing PI liquid cost.
Background technique
During LCD liquid crystal display is manufactured, for the polyimide film (PI film) of liquid crystal molecule orientation, coating
When, it is realized by the way of letterpress or silk-screen printing.In relief printing plate, screen printing technique increasingly mature today, still have
PI liquid used in many companies is imported material or domestic stoste, and such material price is high, improves to a certain extent
The production cost of product, reduces the competitiveness of product in market.Current many companies, must not in order to guarantee outstanding product quality
Without using imported material or domestic stoste.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of method for reducing PI liquid cost
It is still imported material or domestic original there are many PI liquid used in company in relief printing plate, screen printing technique increasingly mature today
Liquid, such material price is high, improves the production cost of product to a certain extent, reduces the competitiveness of product in market.
Current many companies are in order to guarantee outstanding product quality, it has to the problem of using imported material or domestic stoste.
To achieve the above object, the invention provides the following technical scheme: a kind of method for reducing PI liquid cost, reduction PI
The method of liquid cost includes the following steps:
S1:ITO pattern process: ito glass pattern process is completed by yellow light process；
S2: hot setting: using relief printing plate, one layer of PI alignment films are printed on ITO pattern, hair is used after hot setting
Flannelette rubs；
S3: film pattern: with the frame film pattern of the method for silk-screen printed design on ito glass；
S4: curing molding: form frame heat cure by hot pressing, baking；
S5: after cutting, liquid crystal perfusion liquid crystal: is fed into liquid crystal cell.
Preferably, in the step S1, the detailed process of yellow light process are as follows: clean the surface of LCD substrate, then
Remove the moisture on substrate with heating；It is then coated with one layer of photoresist glue, is evaporated the solvent in photoresist with heating；It is exposing
The photoresist glue of substrate surface is irradiated in machine, upper developer solution is sprayed on substrate, figure is presented on photoresist, then dried
After roasting, harden photoresist；After carrying out acid etching and demoulding processing, ito glass pattern is formed in substrate surface.
Preferably, in the step S2, using the solid resin letterpress PI of 200-500 mesh, the PI tunic thickness is
50-1500 Ethylmercurichlorendimide, after being mixed by a certain percentage in letterpress using two or more different types of PI liquid
Carry out using.
Preferably, it when the letterpress, is carried out by a certain percentage using two or more different types of PI liquid
It is carried out after mixing using low pre-tilt angle PI liquid is mixed into according to a certain percentage in high pre-tilt angle PI liquid.
Preferably, the mass ratio of the high pre-tilt angle PI liquid Zhan total PI liquid are as follows: 5%-99%.
Compared with prior art, the beneficial effects of the present invention are: the present invention is carried out under the premise of pre-tilt angle is measurable
The mixing of PI liquid, reaching reduces production cost while original pre-tilt angle being maintained to be slightly variable, so that display effect is compared with original effect
Indifference, the present invention ensure that the stabilization of product quality under the advantages of remaining lower economic cost, while reduce life
Operation cost is produced, product competitiveness is improved.
Detailed description of the invention
Fig. 1 is production method flow chart of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of method for reducing PI liquid cost, the method for reduction PI liquid cost includes such as
Lower step:
S1:ITO pattern process: ito glass pattern process is completed by yellow light process.
S2: hot setting: using relief printing plate, one layer of alignment films are printed on ITO pattern, lint is used after hot setting
Cloth rubs；
S3: film pattern: with the frame film pattern of the method for silk-screen printed design on ito glass；
S4: curing molding: form frame heat cure by hot pressing, baking；
S5: after cutting, liquid crystal perfusion liquid crystal: is fed into liquid crystal cell.
In the present embodiment, in step S1, the detailed process of yellow light process are as follows: the surface of LCD substrate is cleaned, with
Remove the moisture on substrate with heating afterwards；It is then coated with one layer of photoresist glue, is evaporated the solvent in photoresist with heating；It is exposing
The photoresist glue of substrate surface is irradiated in ray machine, upper developer solution is sprayed on substrate, figure is presented on photoresist, then carry out
After baking, harden photoresist；After carrying out acid etching and demoulding processing, ito glass pattern is formed in substrate surface, exposure machine is flat
Row light exposure machine, illumination wavelength length are 248-400nm, and photoresist coating thickness is 1-1.8 μm, the release agent of demoulding processing
For the potassium hydroxide or sodium hydroxide solution of concentration 3%-5%, in step S2, the solid resin relief printing plate of 200-500 mesh is used to print
PI is brushed, PI tunic thickness is 50-1500 Ethylmercurichlorendimide, in letterpress using two or more different types of PI liquid by certain
When ratio is carried out after being mixed using, letterpress, by a certain percentage using two or more different types of PI liquid
It is carried out after being mixed using low pre-tilt angle PI liquid being mixed into according to a certain percentage in high pre-tilt angle PI liquid, high pre-tilt angle
The mass ratio of PI liquid Zhan total PI liquid are as follows: 5%-99%.
In summary, the present invention is using two or more different types of PI liquid in letterpress by one
Certainty ratio mixed after after carry out using the small PI liquid of pre-tilt angle is mixed into the big PI liquid of pre-tilt angle according to a certain percentage
In, make final ingredient close to the PI fluidity matter big with pre-tilt angle, to reduce production cost, while guaranteeing stable product quality,
The present invention ensure that the stabilization of product quality under the advantages of remaining lower economic cost, while reduce the production and operation
Cost improves product competitiveness.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of method for reducing PI liquid cost, it is characterised in that: the method for reduction PI liquid cost includes the following steps:
S1:ITO pattern process: ito glass pattern process is completed by yellow light process；
S2: hot setting: using relief printing plate, one layer of PI alignment films are printed on ITO pattern, tweed is used after hot setting
It rubs；
S3: film pattern: with the frame film pattern of the method for silk-screen printed design on ito glass；
S4: curing molding: form frame heat cure by hot pressing, baking；
S5: after cutting, liquid crystal perfusion liquid crystal: is fed into liquid crystal cell.
2. a kind of method for reducing PI liquid cost according to claim 1, it is characterised in that: in the step S1, yellow light
The detailed process of processing procedure are as follows: the surface of LCD substrate is cleaned, then removes the moisture on substrate with heating；Then apply
Upper one layer of photoresist glue is evaporated the solvent in photoresist with heating；The photoresist glue of substrate surface is irradiated in exposure machine,
Upper developer solution is sprayed on substrate, figure is presented on photoresist, then after being toasted, hardens photoresist；It carries out acid etching and takes off
After film process, ito glass pattern is formed in substrate surface.
3. a kind of method for reducing PI liquid cost according to claim 1, it is characterised in that: in the step S2, use
The solid resin letterpress PI of 200-500 mesh, the PI tunic thickness are 50-1500 Ethylmercurichlorendimide, and two kinds are used in letterpress
Or two or more different types of PI liquid mixed by a certain percentage after carry out using.
4. a kind of method for reducing PI liquid cost according to claim 3, it is characterised in that: when the letterpress, make
Carried out after being mixed by a certain percentage with two or more different types of PI liquid using, by low pre-tilt angle PI liquid according to
Certain ratio is mixed into high pre-tilt angle PI liquid.
5. a kind of method for reducing PI liquid cost according to claim 4, it is characterised in that: the high pre-tilt angle PI liquid accounts for
The mass ratio of total PI liquid are as follows: 5%-99%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910255593.9A CN109932842A (en) | 2019-03-22 | 2019-03-22 | A method of reducing PI liquid cost |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910255593.9A CN109932842A (en) | 2019-03-22 | 2019-03-22 | A method of reducing PI liquid cost |
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| Publication Number | Publication Date |
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| CN109932842A true CN109932842A (en) | 2019-06-25 |
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| CN201910255593.9A Pending CN109932842A (en) | 2019-03-22 | 2019-03-22 | A method of reducing PI liquid cost |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114371565A (en) * | 2022-01-19 | 2022-04-19 | 陈和香 | Liquid crystal display and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09265098A (en) * | 1996-03-28 | 1997-10-07 | Hitachi Chem Co Ltd | Composition for liquid crystal alignment film, liquid crystal liquid alignment film, liquid crystal holding substrate and liquid crystal display device |
| CN101556405A (en) * | 2008-04-08 | 2009-10-14 | 达兴材料股份有限公司 | Liquid crystal alignment liquid |
| CN101666939A (en) * | 2009-09-29 | 2010-03-10 | 江西合力泰微电子有限公司 | Preparation method of plastic liquid crystal display screen |
| CN104777655A (en) * | 2015-05-12 | 2015-07-15 | 江苏锦润光电有限公司 | LCD manufacturing technology |
| CN106444165A (en) * | 2016-12-09 | 2017-02-22 | 曾周 | Middle process of LCD production |
-
2019
- 2019-03-22 CN CN201910255593.9A patent/CN109932842A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09265098A (en) * | 1996-03-28 | 1997-10-07 | Hitachi Chem Co Ltd | Composition for liquid crystal alignment film, liquid crystal liquid alignment film, liquid crystal holding substrate and liquid crystal display device |
| CN101556405A (en) * | 2008-04-08 | 2009-10-14 | 达兴材料股份有限公司 | Liquid crystal alignment liquid |
| CN101666939A (en) * | 2009-09-29 | 2010-03-10 | 江西合力泰微电子有限公司 | Preparation method of plastic liquid crystal display screen |
| CN104777655A (en) * | 2015-05-12 | 2015-07-15 | 江苏锦润光电有限公司 | LCD manufacturing technology |
| CN106444165A (en) * | 2016-12-09 | 2017-02-22 | 曾周 | Middle process of LCD production |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114371565A (en) * | 2022-01-19 | 2022-04-19 | 陈和香 | Liquid crystal display and preparation method thereof |
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Application publication date: 20190625 |
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