CN106980199A - A kind of transparent display and its manufacturing process - Google Patents
A kind of transparent display and its manufacturing process Download PDFInfo
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- CN106980199A CN106980199A CN201710148319.2A CN201710148319A CN106980199A CN 106980199 A CN106980199 A CN 106980199A CN 201710148319 A CN201710148319 A CN 201710148319A CN 106980199 A CN106980199 A CN 106980199A
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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
- G02F1/133—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
- G02F1/1341—Filling or closing 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
- G02F1/137—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
- G02F1/139—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 orientation effects in which the liquid crystal remains transparent
-
- 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
- G02F1/1341—Filling or closing of cells
- G02F1/13415—Drop filling process
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of transparent display and its manufacturing process, comprise the following steps：The pretreatment of former material ito glass, resist coating and dry, expose, the firmly treatment that develop, etching and striping, orientation coating, sylphon making and product handling system.The transparent display manufacture craft that the present invention is used is in production, and step is simple, simple to operate, and operating efficiency is high, the image clearly for the transparent display produced, and display is the vitreum of all-transparent, and visual effect is fabulous, and the quality of product is good.
Description
Technical field
The present invention relates to transparent display production technical field, more particularly to a kind of transparent display and its manufacturing process.
Background technology
At present, ITO electropanes are referred to as ito glass, and ito glass is the main former material for making display, existing
The preparation method of display is varied, but most method complex operation, complex steps, production it is less efficient.
In addition, the transparent display that conventional method can not be made, product needs to be shown under polarized light in itself, it is one during work
, so either all there is certain office for the display effect and using effect of display in the shading body of barrier light
Limit.
The content of the invention
Above-mentioned deficiency of the invention in order to solve prior art, it is proposed that a kind of transparent display and its manufacturing process.
In order to solve the above-mentioned technical problem, the present invention uses following technical scheme：A kind of transparent display and its manufacture work
Skill, comprises the following steps：
1) former material ito glass is pre-processed：Choose ito glass former material and the impurity and greasy dirt on former material surface are cleaned and done
It is dry；
2) resist coating and dry：One layer of photoresist is uniformly coated with the conductor planes of ito glass, and ito glass is carried out
Drying, until the solvent volatilization in photoresist；
3) expose：With ultraviolet light by the good electrode pattern mask irradiation light photoresist surface of pre-production, and scribbling
Lay photoetching mask plate is covered on the ito glass of photoresist and carries out selective exposure to photoresist under uviol lamp；
4) develop firmly treatment：With developer solution processing ito glass surface, the photoresist layer decomposed by illumination is removed,
Retain the photoresist layer of unexposed portion, the photoresist by UV light irradiations part is dissolved in developer solution, develop
Ito glass carries out high-temperature baking firmly treatment afterwards；
5) etching and striping：The ito film eating away for being covered unglazed photoresist with appropriate harsh liquid, obtains required ITO electrode
Figure, remaining photoresist lift off on ito glass is fallen, so that being formed on ito glass completely the same with lay photoetching mask plate
ITO pattern；
6) orientation coating：Appropriate location first on the ito glass for completing pattern etching applies one layer of uniform oriented layer,
Curing process is done to oriented layer simultaneously, then using suede cloth-like material friction orientation layer surface in a certain direction, so that liquid crystal
Molecule can be arranged along the frictional direction of oriented layer in the future, and the surface that finally cleaning is completed on the ito glass of orientation process is miscellaneous
Thing；
7) sylphon makes：Two pieces of ito glasses for completing orientation coating are taken, is bonded and solidified using seal, sealing materials, are made
Into the glass case that gap is specific thicknesses；
8) product handling system：Glass case is cut according to default specification first, liquid crystal is irrigated in the gap of glass case
And seal, edging cleaning then is carried out to glass case, lead is installed finally by paster hot pressing, required transparent display is obtained.
Further, in step 1) in, use cleaning agent and deionized water when carrying out greasy dirt cleaning.
Further, in step 5) in, make liquid parting using the alkali lye of high concentration during striping, by remaining photoetching on glass
Glue is peeled off.
Further, in step 5) in also including the use of high purity water rinse remain in complete pattern etching ito glass on
Alkali lye and residual photoresist cleaning treatment.
Further, in step 7) in, seal, sealing materials use conducting resinl, in laminating, the wadding of certain size is equal
It is even to be dispersed between two pieces of ito glasses, then contraposition pressing is carried out, corresponding two panels glass is bonded with seal, sealing materials face-to-face
Come.
In addition, the invention also provides the transparent display Jing Guo above-mentioned manufacture craft, including it is arranged on adding for intermediate layer
Add the liquid crystal layer of high molecular polymer, be arranged on the indium oxide selenium layer of layer on liquid crystal layer and be arranged on indium oxide selenium layer
Surface glassy layer.
Principle summary：The display liquid crystal molecule of the display product of the present invention is cured in box, is solidified with a kind of UV
Glue is mixed.Liquid crystal molecule is independent in the bead of capsule shape after UV glue curings.Rod shaped liquid crystal when being not powered in capsule
Molecule all normal to screen states, now just pass through screen.Each pixel and pattern are by these vertical orientated liquid crystal
Molecule farmland is constituted.After plus voltage, negative rod shaped liquid crystal molecule is just arranged in the presence of voltage parallel to display plane
Row, but each liquid crystal molecule is in display plane but points to different directions.To producing scattering through the light come.So
The pixel or pattern of power-up will show the impermeable light effect of milky, can obtain full view effect.It does not need polaroid just
Can display.Response time within 100 milliseconds, has the disadvantage to realize white and black displays, poor contrast, indoors fluorescent lamp effect
Under, contrast is 5:1 or so.
The shortcoming of the subtense angle of TN/HTN technologies before so such product just compensate for.And 1/ has been saved on material
3 cost.Because PNLC need not use polarizer material.
But technique must solve several technological difficulties, first, liquid crystal records.Secondth, positive high voltage (20V) shows
Show, first technological difficulties, we have been resolved by adding photopolymer in liquid crystal while increasing box thickness.Second
Individual technological difficulties are exactly that high voltage is shown, product of the invention is solved using static drive mode.
In addition, the title of the transparent display of the present invention can be named as TMV, TMV answering in LCD Display Techniques is relevant to
With.
Compared with prior art, the transparent display manufacture craft that the present invention is used is in production, and step is simple, operation letter
Single, operating efficiency is high, the image clearly for the transparent display produced, transparent display body not to light image formation every
Gear, the quality of itself printing opacity is good.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
1- liquid crystal layers；2- glassy layers；3- indium oxide selenium layers.
Embodiment
Invention is described in detail with reference to the accompanying drawings and examples.
Transparent display manufacturing process proposed by the present invention, comprises the following steps：
1) former material ito glass is pre-processed：According to the requirement of product, suitable ito glass is selected to be fitted into transmission basket tool,
The specifications and models of ito glass are asked to meet product requirement, making sure to keep in mind ITO layer face must be inserted upwardly into basket tool.Will with cleaning agent with
And the clean ito glass such as deionized water (DI water), and washed the impurity and greasy dirt on ITO surfaces with the method for physics or chemistry
Only, then water is removed and dried, it is ensured that the crudy of lower road technique.
2) resist coating and dry：One layer of photoresist, the glass of coated photoresist are uniformly coated with the conductor planes of ito glass
Glass will be made in pre- place at a certain temperature, and ito glass is dried, until the solvent volatilization in photoresist；Certain
At a temperature of will scribble the glass baking of photoresist for a period of time so that the solvent volatilization in photoresist, increase and glass surface
Adhesiveness.
3) expose：With ultraviolet light (UV) by the good electrode pattern mask irradiation light photoresist surface of pre-production, make by
Reacted according to photoresist layer, lay photoetching mask plate is covered on the glass for scribble photoresist photoresist is selected under uviol lamp
Selecting property exposes.
4) develop firmly treatment：Glass surface is handled with developer solution, the photoresist layer decomposed by illumination is removed, retained
The photoresist layer of unexposed portion, chemically makes the photoresist by UV light irradiations part be dissolved in developer solution, after development
Glass will be Jing Guo certain temperature firmly treatment.Glass is made into photoresist more again by a high-temperature process during firmly treatment
Plus it is firm.
5) etching and striping：The ito film eating away for being covered unglazed photoresist with appropriate harsh liquid, has thus been obtained required
The ITO electrode figure wanted, wherein noting：Ito glass is the electro-conductive glass of (In2O3 and SnO2), and this easily reacts with acid, and uses
In etching away unnecessary ITO, so as to obtain corresponding bracing wire electrode.During striping, taken off with the alkali lye (NaOH solution) of high concentration
Film liquid, remaining photoresist lift off on glass is fallen, so that being formed and the completely the same ITO of lay photoetching mask plate on ito glass
Figure.(the part bracing wire etching shown by customer requirement is completed).
6) orientation coating：This step process is that the ito glass surface completed in etching coats oriented layer, and uses specific method
Handled to layer limiting, so that liquid crystal molecule along specific direction can be orientated (arrangement) in orientation layer surface, this step is
The peculiar technology of transparent display production.
A. alignment agent is applied：Organic polymer oriented material is coated on to the surface of glass, i.e., using the method for selection coating,
Appropriate location on ito glass applies one layer of uniform oriented layer, while doing curing process to oriented layer.(typically in viewing area)
B. solidify：Solidify oriented layer by high-temperature process.
C. orientation friction：With suede cloth-like material friction orientation layer surface in a certain direction, so that liquid crystal molecule energy in future
Enough frictional directions along oriented layer are arranged.Such as TN model friction orientations：45 degree.
D. clean：The pollutants such as flannelette line can be left on glass after orientation friction, it is necessary to which 7) sylphon makes：Take two pieces it is complete
Into the ito glass of orientation coating, it is bonded and is solidified using seal, sealing materials, the glass case that gap is specific thicknesses is made；Envelope
Connect material and use conducting resinl, in laminating, the wadding of certain size is dispersed between two pieces of ito glasses, then is carried out
Contraposition pressing, corresponding two panels glass is glued together with seal, sealing materials face-to-face.
7) sylphon makes：This step process is, to folded, to be bonded and solidified using seal, sealing materials two panels electro-conductive glass,
The glass case that gap is specific thicknesses is made.Box technology processed is to manufacture one of the most key technology of transparent display.It is (necessary
The spacing of strict control liquid crystal cell)
A. silk-screen frame and silver point：Seal, sealing materials (sealant) are stamped into frame to upper plate respectively with the method for silk-screen printing
Glue and with lower glass sheet print be conducting resinl.
B.Spray wadding：Backing material is uniformly distributed on lower glass.The wadding of certain size is (generally several micro-
Rice) glass surface is dispersed in, just ensure that the spacing between glass is that box is thick by these materials during box processed.
C. contraposition pressing：Bonded by being aligned on alignment mark with lower glass, corresponding two panels glass is used into sealing-in face-to-face
Material is glued together.
D. solidify：Solidify seal, sealing materials at high temperature.It is general during solidification that certain pressure is added on glass up and down, with
Make liquid crystal cell spacing (thickness keeps uniform).
8) product handling system：Glass case is cut according to default specification first, liquid crystal is irrigated in the gap of glass case
And seal, edging cleaning then is carried out to glass case, lead is installed finally by paster hot pressing, required transparent display is obtained.
The transparent display that is produced by above-mentioned method, including it is arranged on the high molecular polymer that with the addition of in intermediate layer
Liquid crystal layer 1, the indium oxide selenium layer 3 for being arranged on layer on liquid crystal layer and be arranged on indium oxide selenium layer surface glassy layer 2.
In the case of cold, referring to Fig. 1, the direction of arrow in figure is the conduction orientation of light, illustrated in Figure 1 where it can be seen that
Transparent display will not stop image formation by rays in the liquid crystal layer after it with the addition of high molecular polymer, so whole Transparence Display
Device is equivalent to the one block of glass that can be imaged.It is mainly due to, and liquid crystal molecule is independent in capsule after UV glue curings
In the bead of shape.And after display is powered, internal display screen is in just milky white shape, start to be shown as picture.
Above-described embodiment only expresses the several embodiments of the present invention, and it describes more specific and detailed, but can not
Therefore understands that being the limitation to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art,
On the premise of not departing from present inventive concept, various modifications and improvements can be made, these belong to protection scope of the present invention.
Therefore, patent of the present invention and protection domain should be defined by appended claims.
Claims (6)
1. a kind of transparent display manufacturing process, it is characterised in that comprise the following steps：
1）Former material ITO glass is pre-processed：Choose ITO glass former material and the impurity and greasy dirt on former material surface are cleaned and dried；
2）Resist coating is simultaneously dried：One layer of photoresist is uniformly coated with the conductor planes of ito glass, and ito glass is dried,
Until the solvent volatilization in photoresist；
3）Exposure：With ultraviolet light by the good electrode pattern mask irradiation light photoresist surface of pre-production, and scribbling photoetching
Lay photoetching mask plate is covered on the ito glass of glue and carries out selective exposure to photoresist under uviol lamp；
4）Develop firmly treatment：With developer solution processing ito glass surface, the photoresist layer decomposed by illumination is removed, retained
The photoresist layer of unexposed portion, chemically makes the photoresist by UV light irradiations part be dissolved in developer solution, after development
Ito glass carries out high-temperature baking firmly treatment；
5）Etching and striping：The ito film eating away for being covered unglazed photoresist with appropriate harsh liquid, ITO electrode figures needed for obtaining
Shape, remaining photoresist lift off on ito glass is fallen, so that being formed on ITO glass completely the same with lay photoetching mask plate
ITO pattern；
6）Orientation coating：Appropriate location first on the ITO glass for completing pattern etching applies one layer of uniform oriented layer, together
When curing process is done to oriented layer, then using suede cloth-like material friction orientation layer surface in a certain direction, so that liquid crystal point
Sub to be arranged in the future along the frictional direction of oriented layer, the surface that finally cleaning is completed on the ITO glass of orientation process is miscellaneous
Thing；
7）Sylphon makes：Two pieces of ito glasses for completing orientation coating are taken, is bonded and solidified using seal, sealing materials, between being made
Gap is the glass case of specific thicknesses；
8）Product handling system：Glass case is cut according to default specification first, liquid crystal is irrigated in the gap of glass case and is sealed
Mouthful, edging cleaning then is carried out to glass case, lead is installed finally by paster hot pressing, required transparent display is obtained.
2. transparent display manufacturing process according to claim 1, it is characterised in that：In step 1）In, carrying out greasy dirt
Cleaning agent and deionized water are used during cleaning.
3. transparent display manufacturing process according to claim 1, it is characterised in that：In step 5）In, used during striping
The alkali lye of high concentration makees liquid parting, and remaining photoresist lift off on glass is fallen.
4. transparent display manufacturing process according to claim 1, it is characterised in that：In step 5）In also including the use of height
Alkali lye and the cleaning treatment of the photoresist of residual that pure water rinsing is remained on the ITO glass for completing pattern etching.
5. transparent display manufacturing process according to claim 1, it is characterised in that：In step 7）In, seal, sealing materials are adopted
With conducting resinl, in laminating, the wadding of certain size is dispersed between two pieces of ito glasses, then carries out contraposition pressing,
Corresponding two panels glass is glued together with seal, sealing materials face-to-face.
6. the transparent display that a kind of utilization claim 1-5 is made, it is characterised in that：Including being arranged on the addition of for intermediate layer
The liquid crystal layer of high molecular polymer（1）, be arranged on the indium oxide selenium layer of layer on liquid crystal layer（3）And it is arranged on indium oxide selenium
The glassy layer on the surface of layer（2）.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710148319.2A CN106980199A (en) | 2017-03-14 | 2017-03-14 | A kind of transparent display and its manufacturing process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710148319.2A CN106980199A (en) | 2017-03-14 | 2017-03-14 | A kind of transparent display and its manufacturing process |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884962A (en) * | 2017-09-30 | 2018-04-06 | 江西合力泰科技有限公司 | A kind of manufacture craft of electronic price computing board display screen |
| CN109129030A (en) * | 2018-08-20 | 2019-01-04 | 深圳市宇顺电子股份有限公司 | A kind of control method and its ito glass structure of liquid crystal display angle lap deviation |
| CN109343259A (en) * | 2018-11-29 | 2019-02-15 | 电子科技大学 | A kind of liquid crystal lens and preparation method thereof |
| CN109445139A (en) * | 2018-12-26 | 2019-03-08 | 山水电子(中国)有限公司 | A kind of manufacturing process of novel liquid crystal display screen |
| CN111223413A (en) * | 2020-01-03 | 2020-06-02 | 江苏铁锚玻璃股份有限公司 | Method for manufacturing low-cost display screen panel suitable for traffic field |
| CN111752017A (en) * | 2019-03-28 | 2020-10-09 | 合肥精显电子科技有限公司 | ITO pattern etching process for LCD production |
| CN113703292A (en) * | 2021-09-02 | 2021-11-26 | 四川广义微电子股份有限公司 | Method for reducing PI (polyimide) glue silk residue |
| CN114051344A (en) * | 2021-11-05 | 2022-02-15 | Oppo广东移动通信有限公司 | Shell, preparation method thereof and electronic equipment |
| CN116540438A (en) * | 2023-04-25 | 2023-08-04 | 苏州润博希电子科技有限公司 | LCD display screen processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884962A (en) * | 2017-09-30 | 2018-04-06 | 江西合力泰科技有限公司 | A kind of manufacture craft of electronic price computing board display screen |
| CN109129030A (en) * | 2018-08-20 | 2019-01-04 | 深圳市宇顺电子股份有限公司 | A kind of control method and its ito glass structure of liquid crystal display angle lap deviation |
| CN109343259A (en) * | 2018-11-29 | 2019-02-15 | 电子科技大学 | A kind of liquid crystal lens and preparation method thereof |
| CN109343259B (en) * | 2018-11-29 | 2020-11-27 | 电子科技大学 | Liquid crystal lens and preparation method thereof |
| CN109445139A (en) * | 2018-12-26 | 2019-03-08 | 山水电子(中国)有限公司 | A kind of manufacturing process of novel liquid crystal display screen |
| CN111752017A (en) * | 2019-03-28 | 2020-10-09 | 合肥精显电子科技有限公司 | ITO pattern etching process for LCD production |
| CN111223413A (en) * | 2020-01-03 | 2020-06-02 | 江苏铁锚玻璃股份有限公司 | Method for manufacturing low-cost display screen panel suitable for traffic field |
| CN113703292A (en) * | 2021-09-02 | 2021-11-26 | 四川广义微电子股份有限公司 | Method for reducing PI (polyimide) glue silk residue |
| CN113703292B (en) * | 2021-09-02 | 2024-05-17 | 四川广义微电子股份有限公司 | Method for reducing PI rubber wire residues |
| CN114051344A (en) * | 2021-11-05 | 2022-02-15 | Oppo广东移动通信有限公司 | Shell, preparation method thereof and electronic equipment |
| CN116540438A (en) * | 2023-04-25 | 2023-08-04 | 苏州润博希电子科技有限公司 | LCD display screen processing method |
| CN116540438B (en) * | 2023-04-25 | 2023-10-27 | 苏州润博希电子科技有限公司 | LCD display screen processing method |
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