CN110153091A - A kind of touch screen method for cleaning - Google Patents
A kind of touch screen method for cleaning Download PDFInfo
- Publication number
- CN110153091A CN110153091A CN201910405993.3A CN201910405993A CN110153091A CN 110153091 A CN110153091 A CN 110153091A CN 201910405993 A CN201910405993 A CN 201910405993A CN 110153091 A CN110153091 A CN 110153091A
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- China
- Prior art keywords
- cover board
- display module
- cleaning
- touch screen
- screen method
- 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.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000012545 processing Methods 0.000 claims abstract description 40
- 239000013464 silicone adhesive Substances 0.000 claims abstract description 35
- 238000007710 freezing Methods 0.000 claims abstract description 33
- 230000008014 freezing Effects 0.000 claims abstract description 33
- 239000003292 glue Substances 0.000 claims abstract description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000007654 immersion Methods 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 32
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000011990 functional testing Methods 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0064—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes
- B08B7/0071—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes by heating
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/10—Removing layers, or parts of layers, mechanically or chemically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Position Input By Displaying (AREA)
Abstract
The present invention relates to touch screen Removal Technology field more particularly to a kind of touch screen method for cleaning, comprising steps of (1) separates silicone adhesive: being inserted into partition in product end for clearance, separate silicone adhesive；(2) cover board is separated with display module: being carried out freezing processing to product for clearance, is broken separation cover board and display module after freezing processing into two with one's hands；(3) silicone adhesive strikes off: display module being carried out alcohol immersion treatment or wiping, the silicone adhesive in display module is struck off after alcohol immersion or wiping processing；(4) OCA glue removes: cover board being heated, removes the OCA glue on cover board after heat treatment；(5) it cleans: using alcohol washes display module and cover board, coating processing is carried out to display module and cover board after cleaning.Screen method for cleaning of the invention so as to easily separate display module with cover board, and will not damage display module and cover board, easy to operate, cleaning efficiency is high by carrying out freezing processing to product for clearance in separation process.
Description
Technical field
The present invention relates to touch screen Removal Technology field more particularly to a kind of touch screen method for cleaning.
Background technique
Touch screen component generally comprises display module and cover board, and display module and cover board had been bonded by OCA glue laminating
Bubble, foreign matter etc. may be generated in journey or after touch screen long-time service, at this time, it may be necessary to which display module to be separated to progress with cover board
Touch screen cleaning.
However, the separation of existing touch screen method for cleaning, display module and cover board is real usually by way of wire cutting
It is existing, in cutting process can only intact preservation one of display module and cover board, cause a large amount of waste of material；In addition,
Display module or cover board in cutting process and easily are scratched, rejection rate is further increased, therefore, it is necessary to study a kind of new
Touch screen method for cleaning, to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of touch screen method for cleaning, carry out freezing processing to product for clearance, thus
Easily display module can be separated with cover board, and display module and cover board will not be damaged in separation process, it is easy to operate,
Cleaning efficiency is high.
To achieve the goals above, the present invention provides a kind of touch screen method for cleaning, which is characterized in that including following several
A step:
(1) it separates silicone adhesive: being inserted into partition in product end for clearance, separate silicone adhesive；
(2) cover board is separated with display module: carrying out freezing processing, freezing processing to the product for clearance that step (1) obtains
After break separation cover board and display module into two with one's hands；
(3) silicone adhesive strikes off: the isolated display module of step (2) being carried out alcohol immersion or wiping is handled, alcohol
The silicone adhesive in display module is struck off after immersion or wiping processing；
(4) OCA glue removes: the isolated cover board of step (2) being heated, is removed on cover board after heat treatment
OCA glue；
(5) it cleans: the cover board that the display module and step (4) obtained with alcohol washes step (3) obtains, to aobvious after cleaning
Show that mould group and cover board carry out coating processing.
Further, further include that step (6) cover board is combined with display module after step (5), specifically include:
(61) the display module end spot printing silicone adhesive finished spot printing silicone adhesive: is cleaned in step (5)；
(62) it sticks OCA film: sticking OCA film on the cover board that step (5) cleaning finishes, and tear release film off；
(63) cover board is bonded with display module: by display module that step (61) obtains and the cover board that step (62) obtain into
Row fitting, product after being cleared up；
(64) functional test and appearance detection: product carries out functional test and appearance inspection after the cleaning obtained to step (63)
It surveys；
(65) camera module protective film sticks: product carries out camera module protection after the cleaning qualified to step (64) detection
Film sticks, and obtains finished product product.
Further, display module also needs to carry out defoaming treatment after being bonded with cover board in step (63).
Further, the defoaming treatment uses air pressure defoaming treatment.
Further, the temperature of the freezing processing in step (2) is -200 DEG C to -90 DEG C, and cooling time arrives for 30min
60min。
Further, the temperature of the freezing processing of step (2) is -110 DEG C to -95 DEG C.
Further, the freezing processing of step (2) is handled using industrial refrigerator freezing processing or using liquid nitrogen frozen.
Further, the heating temperature heated in step (4) is 50 DEG C to 70 DEG C.
Further, Function detection includes the detection of TP touch function and other Function detections, in which: other Function detection packets
Include the detection of mould group and/or deviation detection.
Further, partition is the discarded release film torn on step (62) OCA film.
A kind of touch screen method for cleaning of the invention, has the advantages that
1, touch screen method for cleaning of the invention, by carrying out freezing processing to product for clearance, so as to be easy to
Display module is separated with cover board, and display module and cover board will not be damaged in separation process, easy to operate, cleaning efficiency
It is high.
2, touch screen method for cleaning of the invention also needs to carry out functional test and appearance detection after product after being cleared up,
To further ensure the final mass of finished product touch screen.
3, touch screen method for cleaning of the invention, display module also carry out defoaming treatment after being bonded with cover board, reach naked eyes
Sightless state, so that improve display module and cover board is bonded effect.
4, touch screen method for cleaning of the invention, the temperature and time of strict control freezing processing, so as to it is more effective,
And it is easier display module is separated with cover board, and guarantee display module separated with cover board after it is intact, be not subjected to damage.
5, touch screen method for cleaning of the invention needs to heat before the removal of OCA glue, and strict control heating temperature, from
And make the removal of OCA glue be more easier and more thoroughly.
6, touch screen method for cleaning of the invention, the partition that silicone adhesive is separated for being inserted into product end for clearance is OCA
The discarded release film torn on film, so that the utilization of waste material is realized, thus more environmentally-friendly.
Detailed description of the invention
Illustrate the embodiment of the present invention or technical solution in the prior art in order to clearer, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it is clear that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of flow diagram of embodiment of touch screen method for cleaning of the invention；
Fig. 2 is the flow diagram of another embodiment of touch screen method for cleaning of the invention；
Fig. 3 is the flow diagram that the cover board of touch screen method for cleaning of the invention is combined with display module；
Specific embodiment
Below in conjunction with the attached drawing in the present invention, technical solution in the embodiment of the present invention carry out it is clear, completely retouch
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, those skilled in the art's all other reality obtained without making creative work
Example is applied, protection scope of the present invention is belonged to.
As shown in Figure 1, a kind of touch screen method for cleaning of the embodiment of the present invention, mainly comprises the steps that
Step S1: separating silicone adhesive, is inserted into partition in product end for clearance, separates silicone adhesive；Specifically, silicone adhesive position
Between indicating template and cover board, mainly plays a part of to paste and fill, therefore thickness will be thicker than OCA glue, so as to allow
Relatively thin partition insertion separates silicone adhesive, realizes indicating template and cover board in the separation of silicone adhesive paste area；Partition is a pole
Thin plate has certain intensity and hardness, so as to cut the silicone adhesive separated between indicating template and cover board, partition
Material the present invention is not specifically limited, belong to the scope of the present invention, can be plastic film；Preferably, the thickness of partition
Degree is 0.2mm.
Step S2: cover board is separated with display module, and the product for clearance obtained to step S1 carries out freezing processing, at freezing
Break separation cover board and display module after reason into two with one's hands；Specifically, freezing processing can make OCA glue lose viscosity, and then in production for clearance
Separation cover board and display module can easily be broken very much after product freezing processing into two with one's hands, it is easy to operate, and will not be damaged in separation process
Display module and cover board；Because refrigerating process will not make silicone adhesive fail, display module and cover board are in silicone adhesive paste area
An initial gross separation need to be carried out with using partition to separate.
Step S3: silicone adhesive strikes off, and step S2 isolated display module is carried out alcohol immersion treatment or wiping, wine
The silicone adhesive in display module is struck off after essence immersion or wiping processing；Specifically, impregnating or wiping by alcohol, silicon can be softened
Ketone glue, consequently facilitating the removal of silicone adhesive；The concentration of alcohol can refer to the concentration of existing wiping alcohol, and the present invention is to alcohol concentration
And wiping or soaking time are not specifically limited, and are passed through alcohol wipe one time or several times under normal circumstances.
The removal of step S4:OCA glue, the isolated cover board of step S2 is heated, removes lid after heat treatment
OCA glue on plate；Specifically, cover board is placed in the heating plate of heater after the heating regular hour, by being stained with stick, swab stick
Etc. an angle for clinging OCA glue, easily OCA glue can be taken off, can refer to the prior art.
Step S5: cleaning, the cover board obtained with the obtained display module of alcohol washes step S3 and step S4 are right after cleaning
Display module and cover board carry out coating processing；Specifically, being sticked in the display surface of display module and the two-sided of cover board with laminating machine
Protective film, to avoid the display module after cleaning and cover board contamination dustiness；Protective film can be electrostatic prevention film, so as into
One step plays the role of antistatic.
Touch screen method for cleaning of the invention, by carrying out freezing processing to product for clearance, so as to easily
Display module is separated with cover board, and display module and cover board will not be damaged in separation process, easy to operate, cleaning efficiency is high.
Touch screen method for cleaning of the invention has carried out multiple research to the temperature and time of the freezing processing in step S2
And obtain, the temperature of the freezing processing in step S2 is -200 DEG C to -90 DEG C, and cooling time is 30min to 60min；Preferably,
The temperature of freezing processing is -110 DEG C to -95 DEG C.The temperature and time of strict control freezing processing, so as to more effective and
It is easier to separate display module with cover board, and guarantee not damage after display module is separated with cover board.
Further, freezing processing is handled using industrial refrigerator freezing processing or using liquid nitrogen frozen.Certainly, of the invention
Freezing processing is also not merely defined in both processing modes, both are more preferred mode, other freezing processing sides
Formula also belongs to the scope of the present invention.
Touch screen method for cleaning of the invention has carried out multiple research to the temperature and time of the freezing processing in step S4
And obtain, the heating temperature heated in step S4 is 50 DEG C to 70 DEG C.Strict control heating temperature, so that OCA glue is gone
Except being more easier, thoroughly.
As shown in Figure 2 and Figure 3, the various embodiments described above of touch screen method for cleaning of the invention further include step S6 cover board with
Display module combination, specifically includes:
Step S61: spot printing silicone adhesive cleans the display module end spot printing silicone adhesive finished in step S5；Specifically,
The protective film torn on display module display surface is needed before spot printing silicone adhesive, thus further spot printing silicone adhesive；Silicone herein
Glue mainly play a part of filling with it is bonding, can shape at display module and cover board binding face if its end not spot printing silicone adhesive
At step, effect is bonded in subsequent step with cover board to influence display module.
Step S62: sticking OCA film, sticks OCA film on the cover board that step S5 cleaning finishes, and tear release film off；Specifically
The protective film for tearing lid surface off is being also needed before carrying out step S62, to just can further stick OCA film；This
Outside, when OCA film herein is that display module is separated with cover board, the OCA glue that needs to remove in step S4.
Step S63: cover board is bonded with display module, by the display module that step S61 is obtained and the cover board that step S62 is obtained
It is bonded, product after being cleared up；Specifically, the binding face of display module is the display surface of spot printing silicone adhesive, the patch of cover board
Conjunction face is the face for sticking OCA film, and the two realizes paste composition by OCA film.
Step S64: functional test and appearance detection, product carries out functional test and outer after the cleaning obtained to step S63
See detection；Specifically, functional test mainly includes the detection of TP touch function and other Function detections, other Function detections include mould
(i.e. whether detection cover board pastes just, with the presence or absence of black after fitting for group detection (i.e. whether detection module displays are normal) and deviation detection
Side, bubble etc.), appearance detection predominantly detects display module and whether lid surface has scratch, scratch, dirt, falls paint etc., function
Test and appearance detection belong to the conventional detection of display screen or display module, and those skilled in the art can refer to existing detection side
Method.
Step S65: camera module protective film sticks, and product carries out camera module after the cleaning qualified to step S64 detection
Protective film sticks, and obtains finished product product.
Further, it is preferred that partition is the discarded release film torn on step S62OCA film.Specifically, for being inserted into
The partition that product end for clearance separates silicone adhesive is the discarded release film torn on OCA film, so that the utilization of waste material is realized,
To more environmentally-friendly.
Touch screen method for cleaning of the invention, by carrying out freezing processing to product for clearance, so as to be easy to
Display module is separated with cover board, and display module and cover board will not be damaged in separation process, also, easy to operate, cleared up
It is high-efficient.
The present invention is further described by specific embodiment above, it should be understood that, here specifically
Description, should not be construed as the restriction for the essence of the present invention with range, and one of ordinary skilled in the art is reading this explanation
The various modifications made after book to above-described embodiment belong to the range that the present invention is protected.
Claims (10)
1. a kind of touch screen method for cleaning, which is characterized in that including the following steps:
(1) it separates silicone adhesive: being inserted into partition in product end for clearance, separate silicone adhesive；
(2) cover board is separated with display module: being carried out freezing processing to the product for clearance that step (1) obtains, is broken after freezing processing
Open separation cover board and display module；
(3) silicone adhesive strikes off: the isolated display module of step (2) being carried out alcohol immersion or wiping is handled, alcohol impregnates
Or silicone adhesive in display module is struck off after wiping processing；
(4) OCA glue removes: the isolated cover board of step (2) being heated, is removed on cover board after heat treatment
OCA glue；
(5) it cleans: the cover board that the display module and step (4) obtained with alcohol washes step (3) obtains, to display mould after cleaning
Group and cover board carry out coating processing.
2. touch screen method for cleaning according to claim 1, which is characterized in that further include step (6) lid after step (5)
Plate is combined with display module, is specifically included:
(61) the display module end spot printing silicone adhesive finished spot printing silicone adhesive: is cleaned in step (5)；
(62) it sticks OCA film: sticking OCA film on the cover board that step (5) cleaning finishes, and tear release film off；
(63) cover board is bonded with display module: the cover board that the display module that step (61) obtains is obtained with step (62) is pasted
It closes, product after being cleared up；
(64) functional test and appearance detection: product carries out functional test and appearance detection after the cleaning obtained to step (63)；
(65) camera module protective film sticks: product carries out camera module protective film patch after the cleaning qualified to step (64) detection
It applies, obtains finished product product.
3. touch screen method for cleaning according to claim 2, which is characterized in that display module and cover board paste in step (63)
It also needs to carry out defoaming treatment after conjunction.
4. touch screen method for cleaning according to claim 3, which is characterized in that the defoaming treatment is using at air pressure defoaming
Reason.
5. touch screen method for cleaning described in any one of -4 according to claim 1, which is characterized in that the freezing in step (2)
The temperature of processing is -200 DEG C to -90 DEG C, and cooling time is 30min to 60min.
6. touch screen method for cleaning according to claim 5, which is characterized in that it is further, at the freezing of step (2)
The temperature of reason is -110 DEG C to -95 DEG C.
7. touch screen method for cleaning according to claim 5, which is characterized in that the freezing processing of step (2) is using industry
Refrigerator freezing processing is handled using liquid nitrogen frozen.
8. touch screen method for cleaning described in any one of -4 according to claim 1, which is characterized in that in step (4) at heating
The heating temperature of reason is 50 DEG C to 70 DEG C.
9. the touch screen method for cleaning according to any one of claim 2-4, which is characterized in that the Function detection includes
The detection of TP touch function and other Function detections, in which: other Function detections include the detection of mould group and/or deviation detection.
10. the touch screen method for cleaning according to any one of claim 2-4, which is characterized in that the partition is step
(62) the discarded release film torn on OCA film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910405993.3A CN110153091A (en) | 2019-05-16 | 2019-05-16 | A kind of touch screen method for cleaning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910405993.3A CN110153091A (en) | 2019-05-16 | 2019-05-16 | A kind of touch screen method for cleaning |
Publications (1)
| Publication Number | Publication Date |
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| CN110153091A true CN110153091A (en) | 2019-08-23 |
Family
ID=67634702
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| CN201910405993.3A Pending CN110153091A (en) | 2019-05-16 | 2019-05-16 | A kind of touch screen method for cleaning |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111069241A (en) * | 2019-12-24 | 2020-04-28 | 深圳大视野志远科技有限公司 | Method for removing silicone adhesive for repairing display screen |
| CN111070151A (en) * | 2019-12-24 | 2020-04-28 | 深圳大视野志远科技有限公司 | Method for disassembling and repairing backlight source of display screen |
| CN111097779A (en) * | 2019-12-24 | 2020-05-05 | 深圳大视野志远科技有限公司 | Method for removing OCR (optical character recognition) glue or OCA (optical clear adhesive) glue for repairing display screen |
| CN113889500A (en) * | 2020-07-01 | 2022-01-04 | 三星显示有限公司 | Display device, rework method of display device, and apparatus for separating display device |
| CN114311463A (en) * | 2021-12-27 | 2022-04-12 | 丽水合力新材料有限公司 | Solvent-free synthetic leather and manufacturing method thereof |
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