CN110136581A - The attaching process of plastic optical glue and application and a kind of display - Google Patents
The attaching process of plastic optical glue and application and a kind of display Download PDFInfo
- Publication number
- CN110136581A CN110136581A CN201910257708.8A CN201910257708A CN110136581A CN 110136581 A CN110136581 A CN 110136581A CN 201910257708 A CN201910257708 A CN 201910257708A CN 110136581 A CN110136581 A CN 110136581A
- Authority
- CN
- China
- Prior art keywords
- panel
- plastic optical
- glue film
- attaching process
- optical glue
- 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
- 239000003292 glue Substances 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 50
- 230000003287 optical effect Effects 0.000 title claims abstract description 26
- 239000004033 plastic Substances 0.000 title claims abstract description 24
- 238000007711 solidification Methods 0.000 claims abstract description 24
- 230000008023 solidification Effects 0.000 claims abstract description 24
- 238000007731 hot pressing Methods 0.000 claims abstract description 15
- 238000001723 curing Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000003847 radiation curing Methods 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 230000008602 contraction Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 230000007547 defect Effects 0.000 abstract description 6
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 description 11
- 238000013007 heat curing Methods 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 210000002189 macula lutea Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
- B32B37/1018—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure using only vacuum
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Fluid Mechanics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of attaching process of plastic optical glue and application and a kind of display, which includes the following steps, glue film is arranged, and carries out first time solidification to the glue film；First panel and second panel are set, the glue film is attached on the binding face of the first panel and the second panel；Vacuum hotpressing processing is carried out to the first panel and second panel；Vacuum defoamation processing is carried out to the first panel and second panel；Second is carried out to the first panel and second panel to solidify.The first solidification in the present invention is set to glue film and is attached at before panel, glue film is set first to be shunk, be deformed, avoid glue film during subsequent cure because effect of contraction is bonded quality and precision, and it overcomes after first fitting in curing process because there are shadow regions, cause UV irradiation difficult, the defect of solidification effect difference, improves product yield.
Description
Technical field
The present invention relates to solidify and display coating technique field more particularly to a kind of attaching process of plastic optical glue
With application and a kind of display.
Background technique
Existing OCA and LOCA glue is easy to produce bubble and excessive glue when bonding component, and difficulty of doing over again, so that pad pasting
The step of it is more, fitting low efficiency, influence production yield.Plastic optical glue film has incohesion, being capable of resetting, transparent
Height, simple process, not size-limited feature are spent, is widely used in cementing between optics and electronic component.
In attaching process, for realize two glued interface fix or fix two impermeable ultraviolet objects, need to glue
Film progress UV is perhaps heating and curing but glue film can generate contraction in carrying out UV or heat curing process, and such contraction generates
Stress and the defect in volume be difficult to eliminate in process, cause product to show and bad order phenomenon (such as yellow frame, white occur
Side, macula lutea etc.) and accuracy error, and can not achieve the fitting in two uvioresistant faces, influence processing efficiency, machining accuracy
And yields.
Summary of the invention
The purpose of the present invention is to provide the attaching process and application and a kind of display of a kind of plastic optical glue, with
Existing attaching process is overcome to be bonded of poor quality, the low defect of precision.
The technical proposal adopted by the invention to solve the above technical problems is that:
A kind of attaching process of plastic optical glue, includes the following steps,
Glue film is arranged in S1, carries out first time solidification to the glue film；
S2 is arranged first panel and second panel, attaches on the binding face of the first panel and the second panel
The glue film；
S3 carries out vacuum hotpressing processing to the first panel and second panel；
S4 carries out vacuum defoamation processing to the first panel and second panel；
S5 carries out second to the first panel and second panel and solidifies.
In a preferred embodiment, the first time is cured as UV radiation curing, second of solidification
It is UV radiation curing or be heating and curing.
In a preferred embodiment, it is additionally provided with step S6 after the step S5, to the first panel and second
Panel is heating and curing, it is described be cured as the second time it is UV radiation curing.
In a preferred embodiment, the temperature that is heating and curing in the step S6 is greater than 60 DEG C.
In a preferred embodiment, the temperature in the step S3 and step S4 is greater than 40 DEG C.
In a preferred embodiment, it is additionally provided with detecting step between the step S4 and step S5,
If testing result is not up to standard, the glue film is removed, and re-execute the steps S2- step S4.
If testing result is up to standard, step S5 is executed.
In a preferred embodiment, the detecting step includes appearance and electrical property detection.
In a preferred embodiment, the step S3 and step S4 is executed under vacuum conditions.
In a preferred embodiment, the first panel be display, the second panel be protection glass or
The combination of person protection glass and touch control component.
In a preferred embodiment, the glue film is thermoplastics type's transparent optical glue film.
A kind of application is additionally provided, the laminating process for display.
A kind of display is additionally provided, is made using the attaching process of above-mentioned plastic optical glue.
The present invention at least has the following beneficial effects:
The first solidification in the present invention is set to glue film and is attached at before panel, so that glue film first shunk, deformed, avoids
Glue film, because effect of contraction is bonded quality and precision, and overcomes after first fitting in curing process because depositing during subsequent cure
In shadow region, cause UV irradiation difficult, the defect of solidification effect difference improves product yield.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the flow chart of attaching process one embodiment of plastic optical glue.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid
Other embodiments obtained, belong to the scope of protection of the invention under the premise of creative work.In addition, being related in patent
All connection/connection relationships, not singly refer to that component directly connects, and refer to can according to specific implementation situation, by addition or
Reduce couple auxiliary, Lai Zucheng more preferably coupling structure.Each technical characteristic in the present invention, before not conflicting conflict
Putting can be with combination of interactions.
Existing attaching process, glue film generate contraction, deformation in the curing process, because shrinking the stress influence generated by viscous boundary
The adhesion strength in face and the dimensional accuracy of bonding, cause cohesive force to decline, and material warp deforms after bonding, influence yields.
Based on above-mentioned, referring to Fig.1, a kind of attaching process of plastic optical glue is present embodiments provided comprising as follows
Step:
Glue film is arranged in S1, carries out first time solidification to glue film；
S2 is arranged first panel and second panel, the glue film is attached on the binding face of first panel and second panel；
S3 carries out vacuum hotpressing processing to first panel and second panel；
S4 carries out vacuum defoamation processing to first panel and second panel；
S5 carries out second to first panel and second panel and solidifies.
Glue film in the present embodiment uses plastic optical transparent adhesive film, can be exchanged into fully transparent state after heating, thoroughly
Light rate is high, convenient for solidification；And the glue film can absorb part stress when carrying out compacting fitting, reduce the change of bonding rear panel
Shape incidence.First time in step S1 solidifies by the way of UV radiation curing, and glue film is after completing UV irradiation, by official
The influence of the structure of the content and molecule that can roll into a ball, the volume contraction of glue film are deformed.Because the contraction of glue film, deformation are first
It has been generated in secondary solidification process, therefore when executing second of solidification, glue film no longer generates contraction, deformation, ensure that subsequent
Glue film Anawgy accuracy and fitting quality, the case where avoiding the occurrence of bonding plane cracking caused by shrinking because of glue film or be bonded board cracking.
On the one hand it is low to overcome adhesive reinforcement and bonding quality caused by shrinking because of glue film for above-mentioned first time UV solidification
Defect, on the other hand, UV solidification not by bonding panel shadow region, ink area can not light transmission influenced, it is completely solid to realize glue film
Change, solves the problems, such as to cause cohesive force between panel to decline because opaque, and heavy industry can be carried out before solidifying for second
Processing, guarantees the quality and precision of panel attachment.
Glue film after progress first time UV solidification is attached on the binding face between first panel and second panel, first
The conformable region attached for glue film is equipped on panel and second panel, glue film can first be attached at first panel or second panel
On, then first panel is bonded with second panel, the bonding position and glue film number, thickness of above-mentioned glue film can be according to fittings
The actual conditions of technique select.Glue film after shrinking, can be according to first panel when being bonded to first panel, second panel
And the conformable region size of second panel is attached, and is eliminated the influence of subsequent cure deformation, is kept the fitting of glue film more accurate.
First panel is that perhaps the display device second panel with touch control component is protection glass or has display
The protection glass of touch control component, the display device can be LCD display, light-emitting diode display, OLED display or LCM and show mould
The impermeable optic panels such as group.The size of glue film is corresponding with first panel, the specification of second panel, not size-limited.
By after fitting first panel and second panel be put into vacuum hot-pressing equipment and carry out hot-pressing processing, at above-mentioned hot pressing
Reason carries out in vacuum environment.Vacuum hot-pressing equipment includes the heating platen for pressing, and first panel and second panel are placed in
On workbench, heating platen is pushed, and is applied pressure force to first panel and second panel, and keep certain pressing time, is located at
Glue film between first panel and second panel is converted into molten condition and is flowed under hot pressing function, so that the first face
It is bonded more closely between plate and second panel.
The temperature of above-mentioned hot pressing be greater than 40 DEG C, to guarantee that glue film can be converted into pellucidity, and carry out melting and
Flowing.Above-mentioned temperature is unsuitable excessively high, avoids generating chemical reaction inside glue film, influences the adhesive property of glue film.Hot pressing temperature by
The influence of hot pressing time and laminated material can be reasonably selected according to the specific requirement of attaching process.
By after hot pressing first panel and second panel be transferred in defoaming device progress deaeration processing, this process is same
It executes under vacuum conditions.Glue film is in hot pressing, because external environment influence is easy to produce bubble, after deaeration is handled,
Between first panel and second panel bubble discharge so that first panel and second panel fitting more closely with it is smooth,
Fitting quality is improved, and the non-levelling of glue film or non-switched phenomenon can be improved, the first panel and second after making fitting
Panel has good display effect.
To after deaeration first panel and second panel detect, first panel and second panel are put into detection device
In, which includes appearance detection and electrical property detection.Appearance detection predominantly detection first panel and second panel
At the wrong obvious non-joint place in joint place, crack and wrong excessive glue phenomenon；The after electrical property detection predominantly detection fitting
One panel and second panel could normal display panel content, whether there is or not be electrically connected bad place.If after detection, occurring not up to standard existing
As then carrying out heavy industry processing；Phenomenon not up to standard if it does not exist, then continue to execute subsequent step.
Heavy industry processing is firstly the need of utilizing organic solvent, if alcohol or alcohol gas are by first panel and second panel point
From, remove glue film, the first time for re-starting glue film solidifies, with first panel, being bonded of second panel, vacuum hotpressing and vacuum
De-aeration.Because of only having from attached power for plastic optical glue film, do not have adhesive effect, therefore remove by organic solvent
When, the conformable region of first panel and second panel is not destroyed, and it is convenient to operate.
The first panel for meeting examination criteria and second panel are subjected to second of curing process, second of curing process is adopted
With UV radiation curing, conformable region of the ultraviolet light to first panel and second panel is irradiated, glue film is passing through first
Under the premise of secondary UV is cured, contraction distortion has been generated, when carrying out second of UV solidification, has no longer been shunk, in UV irradiation process
In and temperature under the influence of, glue film crosslinks reaction, realizes the relatively fixed of first panel and second panel.
Preferably, heat cure mode can be used in above-mentioned second of solidification, and the temperature of the heat cure is greater than 60 DEG C, and glue film is in height
Under temperature effect, full cure is carried out between first panel and second panel, is irradiated and is heating and curing dual by ultraviolet light
Effect improves first panel and second panel fitting intensity and fitting stability, and the composite curing mode of the two, reduces
Cured shrinking percentage during glue film fitting.
Preferably, third time solidification process is set after second of UV solidifies, the third time solidification process is using heating
Solidification, by the heat cure of third time, so that flowing of the glue film between first panel and second panel is more thorough, the first face
Fitting between plate and second panel is more smooth, improves fitting intensity.
Detecting step is executed to the product for completing whole curing process, which includes appearance detection, electrical property inspection
It surveys and mechanical performance detection, the jointing product for reaching examination criteria completes whole attaching process.
By using the process flow being bonded afterwards is first solidified, glue film is made both to have generated contraction, deformation in solidification process for the first time,
Glue film is avoided, because deformation influences the fitting quality of panel, to guarantee the fitting fastness of product during subsequent cure, and gram
It has taken because there are shadow regions for panel, UV irradiation is difficult, the defect of solidification effect difference.
The present invention also provides a kind of applications for above-mentioned attaching process, that is, are applied to display, display mould
In the laminating process of devices such as group.A kind of display is additionally provided, which is made of above-mentioned attaching process, to improve
Display performance, service performance and the service life of the display.
It is to be illustrated to presently preferred embodiments of the present invention, but the present invention is not limited to the embodiment above,
Those skilled in the art can also make various equivalent deformation or replacement on the premise of without prejudice to spirit of the invention, this
Equivalent deformation or replacement are all included in the scope defined by the claims of the present application a bit.
Claims (12)
1. a kind of attaching process of plastic optical glue, which is characterized in that include the following steps,
Glue film is arranged in S 1, carries out first time solidification to the glue film；
First panel and second panel is arranged in S2, on the binding face of the first panel and the second panel described in attaching
Glue film；
S3 carries out vacuum hotpressing processing to the first panel and second panel；
S4 carries out vacuum defoamation processing to the first panel and second panel；
S5 carries out second to the first panel and second panel and solidifies.
2. the attaching process of plastic optical glue according to claim 1, which is characterized in that the first time is cured as purple
Outside line irradiation solidification, it is described to be cured as UV radiation curing or be heating and curing for the second time.
3. the attaching process of plastic optical glue according to claim 1, which is characterized in that be additionally provided with after the step S5
Step S6 is heating and curing to the first panel and second panel, it is described be cured as the second time it is UV radiation curing.
4. the attaching process of plastic optical glue according to claim 3, which is characterized in that the heating in the step S6
Solidification temperature is greater than 60 DEG C.
5. the attaching process of plastic optical glue according to claim 1, which is characterized in that the step S3 and step S4
In temperature be greater than 40 DEG C.
6. the attaching process of plastic optical glue according to claim 1, which is characterized in that the step S4 and step S5
Between be additionally provided with detecting step,
If testing result is not up to standard, the glue film is removed, and re-execute the steps S2- step S4.
If testing result is up to standard, step S5 is executed.
7. the attaching process of plastic optical glue according to claim 6, which is characterized in that the detecting step includes outer
It sees and electrical property detects.
8. the attaching process of plastic optical glue according to claim 1, which is characterized in that the step S3 and step S4
It executes under vacuum conditions.
9. the attaching process of plastic optical glue according to claim 1, which is characterized in that the first panel is display
Device, the second panel are the combination protected glass or protect glass and touch control component.
10. the attaching process of plastic optical glue according to claim 1, which is characterized in that the glue film is thermoplastics type
Transparent optical glue film.
11. the attaching process of the described in any item plastic optical glue of claims 1 to 10, the laminating process for display.
12. a kind of display, which is characterized in that use the fitting such as the described in any item plastic optical glue of claim 1-10
Technique is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257708.8A CN110136581B (en) | 2019-04-01 | 2019-04-01 | Thermoplastic optical adhesive attaching method and application and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257708.8A CN110136581B (en) | 2019-04-01 | 2019-04-01 | Thermoplastic optical adhesive attaching method and application and display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110136581A true CN110136581A (en) | 2019-08-16 |
| CN110136581B CN110136581B (en) | 2022-01-04 |
Family
ID=67569162
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910257708.8A Active CN110136581B (en) | 2019-04-01 | 2019-04-01 | Thermoplastic optical adhesive attaching method and application and display |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110605899A (en) * | 2019-09-24 | 2019-12-24 | 深圳一鑫新材料有限公司 | Laminating method based on curved surface flexible screen and display device |
| CN110774802A (en) * | 2019-10-23 | 2020-02-11 | 广州市联中电子科技有限公司 | Large-size electronic blackboard device and manufacturing method thereof |
| CN111231485A (en) * | 2020-01-14 | 2020-06-05 | 重庆烯宇新材料科技有限公司 | Full-lamination process of display panel |
| CN111415584A (en) * | 2020-03-05 | 2020-07-14 | 深圳全息界科技有限公司 | Display device attaching process and display device |
| CN111806052A (en) * | 2020-06-12 | 2020-10-23 | 深圳全息界科技有限公司 | Display screen laminating process and display screen |
| CN111857444A (en) * | 2020-06-19 | 2020-10-30 | 深圳全息界科技有限公司 | GFF (glass fiber reinforced film) type touch screen laminating process and touch screen |
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| CN112820817A (en) * | 2020-12-31 | 2021-05-18 | 深圳全息界科技有限公司 | Small-spacing LED module packaging process |
| CN113093423A (en) * | 2021-03-24 | 2021-07-09 | 深圳全息界科技有限公司 | Touch display screen laminating process |
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Effective date of registration: 20220309 Address after: 518000 Building 1, COFCO Yunjing Plaza, heshuikou community, Matian street, Guangming District, Shenzhen, Guangdong 2005 Patentee after: Shenzhen Yixin New Materials Co.,Ltd. Address before: 518107 section a, floor 5, building 1, No. 7, Mudun Road, No. 1 Industrial Zone, Loucun community, Xinhu street, Guangming District, Shenzhen, Guangdong Patentee before: Chen Bo |