CN104698527B - A kind of method that microarray pattern is prepared on PMMA light guide plates - Google Patents
A kind of method that microarray pattern is prepared on PMMA light guide plates Download PDFInfo
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- CN104698527B CN104698527B CN201510038800.7A CN201510038800A CN104698527B CN 104698527 B CN104698527 B CN 104698527B CN 201510038800 A CN201510038800 A CN 201510038800A CN 104698527 B CN104698527 B CN 104698527B
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- light guide
- guide plates
- microarray
- polyvinyl alcohol
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0065—Manufacturing aspects; Material aspects
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Planar Illumination Modules (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
Abstract
The present invention is applied to light guide plate field, there is provided a kind of method that microarray pattern is prepared on PMMA light guide plates, this method comprise the steps：Computer Design microarray pattern, by the microarray pattern using printing of inkjet printer on polyvinyl alcohol film；The coating for adhering to the polyvinyl alcohol film is coated with PMMA light guide plates；The polyvinyl alcohol film for being printed on microarray pattern is affixed on the PMMA leaded lights plate coating, heated；The PMMA light guide plates of above-mentioned heat-treated mistake are placed in water immersion and remove the polyvinyl alcohol film；Wherein, the precision of the ink-jet printer is 1000 3000dpi, and the ink-jet printer is printed using reflectivity ink.Microarray pattern is prepared on PMMA light guide plates using this method, there is the advantages of free from environmental pollution, cost is low, production efficiency is high.
Description
Technical field
The invention belongs to light guide plate field, more particularly to a kind of method that microarray pattern is prepared on PMMA light guide plates.
Background technology
In recent years, the colorization with liquid crystal display and maximization, its application field is more extensive, such as notebook electricity
Brain, various desktop computers and LCD TV etc., because liquid crystal can not light in itself, thus liquid crystal need to be used as by the use of light-source system
Show the display light source of device, such as backlight module, wherein, light guide plate is the significant components in backlight module, is mainly used in guiding light source
The transmission direction of light beam is sent, line source or spot light are transformed into area source.
In order to improve the uniformity of light injection, multiple sites or microarray pattern typically are set in light guide plate surface, used
In broken beam light guide plate internal transmission total reflection condition, so as to realize scattering to improve the uniform of light guide plate outgoing beam
Property, and then improve the overall optical property of backlight module.
The material for being presently used for making light guide plate is mainly the good material of the optical properties such as PMMA, PS, PC.It makes
Mode typically prepares light guide plate base using techniques such as injection moulding or extrusion moldings first, then in light guide plate base
Prepare site or microarray pattern.At present, the preparation method of light guide plate mesh point or microarray pattern mainly has printing-type and Fei Yin
Brush two class, printing-type manufacture site mainly use silk-screen printing, and its existing major defect is that astigmatism is uneven, site is easy
Come off, ink viscosity is whard to control, the volatilization effect on environment of printing ink solvent is very big；Rather than the main side of printing-type manufacture site
Method is to use laser engraving, the defects of high cost, low production efficiency be present.
The content of the invention
It is an object of the invention to provide a kind of method that microarray pattern is prepared on PMMA light guide plates, it is intended to solves simultaneously
Environment is certainly polluted existing for prior art, astigmatism is uneven, site is easy to fall off, ink viscosity is whard to control, cost is high, production effect
The low a series of problems of rate.
The present invention is achieved in that a kind of method that microarray pattern is prepared on PMMA light guide plates, including following steps
Suddenly：
Computer Design microarray pattern, by the microarray pattern using printing of inkjet printer in polyvinyl alcohol film
On；
The coating for adhering to the polyvinyl alcohol film is coated with PMMA light guide plates；
The polyvinyl alcohol film for being printed on microarray pattern is affixed on the PMMA leaded lights plate coating, carried out at heating
Reason；
The PMMA light guide plates of above-mentioned heat-treated mistake are placed in water immersion and remove the polyvinyl alcohol film；
Wherein, the precision of the ink-jet printer is 1000-3000dpi, and the ink-jet printer uses reflectivity oil
Ink is printed.
The method provided by the invention that microarray pattern is prepared on PMMA light guide plates, directly using printer printing skill
Art, the volatilization of printing ink solvent is significantly reduced, environmental pollution will not be caused, meet environmental protection concept；Computer is used simultaneously and is beaten
Print machine directly controls, and the dot matrix for can accurately prepare the arbitrary shape such as circular, square, oval, arbitrarily arranging, eliminates cumbersome
Plate-making process, avoid the limitation of different light guide plate plate-making gauge strips；Microarray pattern is transferred using polyvinyl alcohol film, can
Various microarray patterns are accurately obtained on arbitrary shape PMMA light guide plates, and the smaller of microarray pattern, precision are higher.
In addition, the method provided by the invention that microarray pattern is prepared on PMMA light guide plates, cost is low, and production efficiency is high.
Embodiment
In order that technical problems, technical solutions and advantageous effects to be solved by the present invention are more clearly understood, below in conjunction with
Embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only explaining
The present invention, it is not intended to limit the present invention.
The embodiments of the invention provide a kind of method that microarray pattern is prepared on PMMA light guide plates, including following steps
Suddenly：
S01. Computer Design microarray pattern, by the microarray pattern using printing of inkjet printer in polyvinyl alcohol
On film；
S02. the coating for adhering to the polyvinyl alcohol film is coated with PMMA light guide plates；
S03. the polyvinyl alcohol film for being printed on microarray pattern is affixed on the PMMA leaded lights plate coating, added
Heat treatment；
S04. the PMMA light guide plates of above-mentioned heat-treated mistake are placed in water immersion and remove the polyvinyl alcohol film；
Wherein, the precision of the ink-jet printer is 1000-3000dpi, and the ink-jet printer uses reflectivity oil
Ink is printed.
Specifically, in step of embodiment of the present invention S01, using Computer Design microarray pattern, on the one hand, the microdot
The reconfigurable of system of battle formations case is good, can careful design microarray shape and realize the arrangement of any form of dot matrix；The opposing party
Face, using Computer Design microarray pattern, cumbersome plate-making process can be removed from, saved the time, improve efficiency, it is more important
, when preparing microarray pattern on PMMA light guide plates, it is not necessary to be each microarray PMMA light guide plates individually designed one
Individual plate-making, so as to eliminate the limitation of plate-making specification, realize the flexibility that microarray pattern is prepared on PMMA light guide plates.
In the embodiment of the present invention, the shape of the microarray pattern is unrestricted, in the art conventional microarray pattern
Or thinkable pattern is used equally for the embodiment of the present invention.As the presently preferred embodiments, the microarray is shaped as circular, water chestnut
At least one of shape, rectangle, ellipse, square.
In the embodiment of the present invention, the microarray pattern is printed to poly- second by the ink-jet printer using reflectivity ink
On enol film.Specifically, the reflectivity ink is the general ink for having high reflectivity feature, this area can be selected normal
High reflectivity ink, it is particularly preferred as the reflection containing reflective particles such as nano aluminium oxide, nano silicons in ink
Property ink.Microarray pattern is printed on polyvinyl alcohol film using the ink, not dissolved in after the microarray pattern solidification
Water.In addition, the reflectivity ink viscosity is good, and environmental pollution will not be caused, meet environmental protection concept.
In the embodiment of the present invention, printed using high-precision ink-jet printer, using the essence of the ink-jet printer
Spend for 1000-3000dpi.On the one hand, the embodiment of the present invention realizes microarray pattern in PMMA light guide plates by printing first
Prepare, study discovery repeatedly through inventor, use precision as 1000-3000dpi high accuracy ink-jet printers, can be guide-lighting in PMMA
Plate obtains that pattern is obvious, accurate microarray pattern, and realizes microarray pattern dimension smallizationer, precision highizationer.
On the other hand, using high-precision inkjet technology, the volatilization of printing ink solvent can be greatly reduced, avoid polluting environment,
Meet environmental protection concept, and it is more efficient.
In the embodiment of the present invention, the polyvinyl alcohol film is that the embodiment of the present invention prepares microarray on PMMA light guide plates
One of key point of pattern.Generally, the polyvinyl alcohol film is mainly used in the packaging bag of the products such as detergent, agricultural chemicals.This hair
In bright embodiment, the transfer that the polyvinyl alcohol film is dexterously used as to preparing on PMMA light guide plates microarray pattern carries
Body.The polyvinyl alcohol thin-film material water imbibition is big, and being immersed in the water quickly to dissolve, and institute is printed using the polyvinyl alcohol film
Microarray pattern is stated, can quickly be removed polyvinyl alcohol film by the method for the simply immersing in water in subsequent process, and
The microarray pattern will not be had any impact, and then ensure the guide-lighting performance of PMMA light guide plates.In addition, the present invention is implemented
The example polyvinyl alcohol thin-film material is soft, and therefore, the substrate shapes that it is attached during use are unrestricted, so as to be affixed on
On arbitrary shape (such as plane, curved surface) base material, thus, polyvinyl alcohol film described in the present embodiment can be in arbitrary shape (such as
Plane, curved surface) PMMA light guide plates on obtain and meet the microarray pattern of design requirement.Polyvinyl alcohol described in the use of idiocrasy
Film is completed to prepare microarray pattern on PMMA light guide plates, can avoid silk-screen printing and the laser mentioned in background technology
A series of deficiencies that engraving process is brought.
As the presently preferred embodiments, the thickness of the polyvinyl alcohol film is 10-40 μm.Thickness is too big, production cost increase,
Dissolution time increase in subsequent processes, so as to reduce production efficiency；And thickness is too thin, the mechanical property of polyvinyl alcohol film
Can not enough, cracky during use, microarray is prepared on PMMA light guide plates using the polyvinyl alcohol film so as to realize
The purpose of pattern.
In step of embodiment of the present invention S02, the method for Coating is unrestricted on PMMA light guide plates, it is preferred to use effect
One kind in the good spraying of rate height, effect, roller coating, dip-coating.In the embodiment of the present invention, the effect of the coating is to be used to adhere to
State the polyvinyl alcohol film for being printed with microarray pattern.Therefore, the quality of coating coating, will directly affect microarray pattern and exists
Whether whether uniform, dot matrix is tightly combined for arrangement on PMMA light guide plates.As the presently preferred embodiments, the coating is transparent poly-
One kind in urethane class, epoxy resin, phenolic resin class, so as to preferably make the microarray on polyvinyl alcohol film firmly glue
Invest in PMMA light guide plate bases.
As specific embodiment, the thickness of the coating is 1-5 μm.Coating is too thick, can increase cost；Coating is too thin, can
Bonding force can be caused inadequate, and then influence the arrangement of microarray pattern on PMMA light guide plates.
In step of embodiment of the present invention S03, the heating is the institute for influenceing the coating and being printed on microarray pattern
State whether polyvinyl alcohol film adheres to an important factor for firm.The heat treatment temperature is too high, described to print the anti-of microarray
Penetrating property ink and the polyvinyl alcohol film may melt, and designed microarray pattern is combined together, lose its use
Performance；If temperature is too low, then causes to print the reflectivity ink of microarray and polyvinyl alcohol film bonding is insecure, it is micro-
Dot pattern is easy to come off.In view of this, the present invention proposes a preferred embodiment that can be solved the above problems, the heating
The temperature of processing is 50-70 DEG C, heat time 3-5min.The preferred heat time, it is ensured that print the reflection of microarray
Property ink and polyvinyl alcohol film bonding it is firm.
In above-mentioned steps S04, as specific embodiment, because the polyvinyl alcohol film can quickly dissolve in water,
Therefore, the PMMA light guide plates for posting the polyvinyl alcohol film are soaked into 1-2 minutes in water and remove polyvinyl alcohol film,
The microarray pattern for meeting design requirement is obtained on PMMA light guide plates.
The method provided in an embodiment of the present invention that microarray pattern is prepared on PMMA light guide plates, there are a series of screen printings
The advantages of brush and laser engraving do not have：
1. use Computer Design microarray pattern, on the one hand, the reconfigurable of the microarray pattern is good, can be accurate
Design shape and the arrangement of microarray；On the other hand, using Computer Design microarray pattern, cumbersome plate-making work can be removed from
Sequence, the time is saved, has improved efficiency, it is often more important that, when preparing microarray pattern on PMMA light guide plates, it is not necessary to be every
A kind of individually designed plate-making of microarray PMMA light guide plates, so as to eliminate the limitation of plate-making specification, realizes and is led in PMMA
The flexibility of microarray pattern is prepared on tabula rasa.
2. use high-precision printing of inkjet printer microarray pattern, on the one hand, pattern can be obtained on PMMA light guide plates
Substantially, accurate microarray pattern, and realize microarray pattern dimension smallizationer, precision highizationer；On the other hand, lead to
Cross printer printing technique and realize that the embodiment of the present invention prepares microarray pattern on PMMA light guide plates, it is molten ink can be greatly reduced
The volatilization of agent, environmental pollution will not be caused, meet environmental protection concept and more efficient.
3. directly controlled using computer and printer simultaneously, the arbitrary shape such as circular, square, oval can be accurately prepared
Shape, the dot matrix arbitrarily arranged, eliminate cumbersome plate-making process, avoid the limitation of different light guide plate plate-making gauge strips.
4. using polyvinyl alcohol film printing microarray pattern, the polyvinyl alcohol thin-film material water imbibition is big, immerses water
In can quickly dissolve, the microarray pattern is printed using the polyvinyl alcohol film, can be in subsequent process, by water
The method of middle simply immersing quickly removes polyvinyl alcohol film, and the microarray pattern will not be had any impact, and enters
And ensure the guide-lighting performance of PMMA light guide plates.
5. polyvinyl alcohol thin-film material described in the embodiment of the present invention is soft, the substrate shapes that it is attached during use are unrestricted
System, so as to be affixed on arbitrary shape (such as plane, curved surface) base material, thus, polyvinyl alcohol film can described in the present embodiment
To obtain the microarray pattern for meeting design requirement on the PMMA light guide plates of arbitrary shape (such as plane, curved surface).Idiocrasy
Complete to prepare microarray pattern on PMMA light guide plates using the polyvinyl alcohol film, can avoid mentioning in background technology
Silk-screen printing and a series of deficiencies for bringing of laser carving method.
6. the method provided in an embodiment of the present invention that microarray pattern is prepared on PMMA light guide plates, production efficiency is significantly
It is high.
Illustrated with reference to specific embodiment.
Embodiment 1
S11. circular microarray is designed in a computer, is printed on circular microarray using high-precision ink-jet printer
On polyvinyl alcohol film；
S12. polyurethane coating is coated with PMMA light guide plate bases using the method for roller coating；
S13. polyvinyl alcohol film is affixed on the PMMA light guide plates for being coated with polyurethane coating, pattern plane containing microarray with
Coating layer touch, dried 5 minutes in temperature is 50 DEG C of drying boxes；
S14. the PMMA light guide plates for posting polyethylene film are soaked 2 minutes in water and removes polyvinyl alcohol film, just existed
The circular microarray of design requirement has been obtained on PMMA light guide plates.
Embodiment 2
S21. rhombus microarray is designed in a computer, is printed on rhombus microarray using high-precision ink-jet printer
On polyvinyl alcohol film；
S22. using dip-coating method in PMMA light guide plate bases epoxy resin coating coating；
S23. polyvinyl alcohol film is affixed on the PMMA light guide plates for being coated with epoxy coating, pattern plane containing microarray
With coating layer touch, dried 3 minutes in temperature is 70 DEG C of drying boxes；
S24. the PMMA light guide plates for posting polyethylene film are soaked 1 minute in water and removes polyvinyl alcohol film, just existed
The rhombus microarray of design requirement has been obtained on PMMA light guide plates.
Embodiment 3
S31. rectangle microarray is designed in a computer, is beaten rectangle microarray using high-precision ink-jet printer
It is printed on polyvinyl alcohol film；
S32. phenolic coating is coated with PMMA light guide plate bases using the method for spraying；
S33. polyvinyl alcohol film is affixed on the PMMA light guide plates for being coated with phenolic coating, pattern plane containing microarray
With coating layer touch, after being dried 4 minutes during temperature is 60 DEG C of drying boxes；
S34. the PMMA light guide plates for posting polyethylene film are soaked 2 minutes in water and removes polyvinyl alcohol film, just existed
The rectangle microarray of design requirement has been obtained on PMMA light guide plates.
Embodiment 4
S41. oval microarray is designed in a computer, is beaten oval microarray using high-precision ink-jet printer
It is printed on polyvinyl alcohol film；
S42. polyurethane coating is coated with PMMA light guide plate bases using the method for spraying；
S43. polyvinyl alcohol film is affixed on again on the PMMA light guide plates for being coated with polyurethane coating, pattern plane containing microarray
With coating layer touch, after being dried 3 minutes during temperature is 65 DEG C of drying boxes；
S44. the PMMA light guide plates for posting polyethylene film are soaked 2 minutes in water and removes polyvinyl alcohol film, just existed
The oval microarray of design requirement has been obtained on PMMA light guide plates.
Embodiment 5
S51. square microarray is designed in a computer, is beaten square microarray using high-precision ink-jet printer
It is printed on polyvinyl alcohol film；
S52. the method sprayed epoxy resin coating coating in PMMA light guide plate bases is used；
S53. polyvinyl alcohol film is affixed on the PMMA light guide plates for being coated with epoxy coating, pattern plane containing microarray
With coating layer touch, after being dried 5 minutes during temperature is 65 DEG C of drying boxes；
S54. the PMMA light guide plates for posting polyethylene film are soaked 2 minutes in water and removes polyvinyl alcohol film, just existed
The square microarray of design requirement has been obtained on PMMA light guide plates.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (7)
1. a kind of method that microarray pattern is prepared on PMMA light guide plates, comprises the steps：
Computer Design microarray pattern, by the microarray pattern using printing of inkjet printer on polyvinyl alcohol film；
The coating for adhering to the polyvinyl alcohol film is coated with PMMA light guide plates；
The polyvinyl alcohol film for being printed on microarray pattern is affixed on the PMMA leaded lights plate coating, heated,
The temperature of the heating is 50-70 DEG C, heat time 3-5min；
The PMMA light guide plates of above-mentioned heat-treated mistake are placed in water immersion and remove the polyvinyl alcohol film；
Wherein, the precision of the ink-jet printer is 1000-3000dpi, and the ink-jet printer is entered using reflectivity ink
Row printing.
2. the method for microarray pattern is prepared on PMMA light guide plates as claimed in claim 1, it is characterised in that the coating
For one kind in transparent polyurethane class, epoxy resin, phenolic resin class.
3. the method for microarray pattern is prepared on PMMA light guide plates as claimed in claim 1 or 2, it is characterised in that described
The thickness of polyvinyl alcohol film is 10-40 μm.
4. the method for microarray pattern is prepared on PMMA light guide plates as claimed in claim 1 or 2, it is characterised in that described
The thickness of coating is 1-5 μm.
5. the method for microarray pattern is prepared on PMMA light guide plates as claimed in claim 1 or 2, it is characterised in that
It is coated with PMMA light guide plates in the coating step for adhering to the polyvinyl alcohol film, the method for the Coating is spray
One kind in painting, roller coating, dip-coating.
6. the method for microarray pattern is prepared on PMMA light guide plates as claimed in claim 1 or 2, it is characterised in that described
Reflectivity ink is the reflectivity ink containing at least one of nano aluminium oxide, nano silicon reflective particle.
7. the method for microarray pattern is prepared on PMMA light guide plates as claimed in claim 1 or 2, it is characterised in that described
Microarray is shaped as at least one of circle, rhombus, rectangle, ellipse, square.
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| CN201510038800.7A CN104698527B (en) | 2015-01-26 | 2015-01-26 | A kind of method that microarray pattern is prepared on PMMA light guide plates |
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| CN107860946A (en) * | 2017-08-09 | 2018-03-30 | 中国船舶重工集团公司第七二五研究所 | A kind of method of quick big flux screening and evaluation metal inhibitor |
| CN110750013A (en) * | 2019-11-29 | 2020-02-04 | 深圳市金泰坦科技有限公司 | Display screen, front light-emitting device and manufacturing method |
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| CN1659691A (en) * | 2002-09-17 | 2005-08-24 | 利兰·斯坦福青年大学托管委员会 | Replication and transfer of microstructures and nanostructures |
| CN101526640A (en) * | 2008-03-04 | 2009-09-09 | 中强光电股份有限公司 | Light guide plate and method for manufacturing same |
| CN103322435A (en) * | 2012-03-22 | 2013-09-25 | 北京美科艺数码科技发展有限公司 | Lighting device |
| CN103358730A (en) * | 2013-05-23 | 2013-10-23 | 林金尧 | Light guide plate inkjet method and system, and flatbed inkjet equipment for light guide plate |
| CN104226541A (en) * | 2013-06-18 | 2014-12-24 | 泓创科技有限公司 | Ink-spraying coating method of light guide plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0968614A (en) * | 1995-08-31 | 1997-03-11 | Rohm Co Ltd | Production of surface illuminator and light transmission plate for the same |
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- 2015-01-26 CN CN201510038800.7A patent/CN104698527B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1659691A (en) * | 2002-09-17 | 2005-08-24 | 利兰·斯坦福青年大学托管委员会 | Replication and transfer of microstructures and nanostructures |
| CN101526640A (en) * | 2008-03-04 | 2009-09-09 | 中强光电股份有限公司 | Light guide plate and method for manufacturing same |
| CN103322435A (en) * | 2012-03-22 | 2013-09-25 | 北京美科艺数码科技发展有限公司 | Lighting device |
| CN103358730A (en) * | 2013-05-23 | 2013-10-23 | 林金尧 | Light guide plate inkjet method and system, and flatbed inkjet equipment for light guide plate |
| CN104226541A (en) * | 2013-06-18 | 2014-12-24 | 泓创科技有限公司 | Ink-spraying coating method of light guide plate |
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