CN111097779A - Method for removing OCR (optical character recognition) glue or OCA (optical clear adhesive) glue for repairing display screen - Google Patents
Method for removing OCR (optical character recognition) glue or OCA (optical clear adhesive) glue for repairing display screen Download PDFInfo
- Publication number
- CN111097779A CN111097779A CN201911350172.0A CN201911350172A CN111097779A CN 111097779 A CN111097779 A CN 111097779A CN 201911350172 A CN201911350172 A CN 201911350172A CN 111097779 A CN111097779 A CN 111097779A
- Authority
- CN
- China
- Prior art keywords
- display screen
- glue
- ocr
- oca
- backlight source
- 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
- 239000003292 glue Substances 0.000 title claims abstract description 65
- 239000000853 adhesive Substances 0.000 title claims abstract description 26
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000003287 optical effect Effects 0.000 title claims abstract description 10
- 238000012015 optical character recognition Methods 0.000 title abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 47
- 239000002390 adhesive tape Substances 0.000 claims abstract description 19
- 230000008014 freezing Effects 0.000 claims abstract description 11
- 238000007710 freezing Methods 0.000 claims abstract description 11
- 229920000742 Cotton Polymers 0.000 claims abstract description 7
- 238000007790 scraping Methods 0.000 claims description 4
- 238000004064 recycling Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- 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
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a method for removing OCR glue or OCA glue for repairing a display screen, which comprises the following steps: the method comprises the steps of firstly, placing a display screen to be reworked into an industrial refrigerator to be frozen for 40min, enabling the freezing temperature to be 140 ℃ below zero, then, enabling a display screen body of the display screen to be separated from a backlight source, then, heating the display screen body, removing OCR (optical character recognition) glue or OCA (optical clear adhesive) glue on the display screen body by using a cotton swab, then, adhering a reworking adhesive tape on the backlight source, and removing the OCR glue or OCA glue by using the reworking adhesive tape. The invention has the advantages that OCR glue or OCA glue on the display screen can be removed so as to recycle the display screen body or the backlight source of the display screen, scratch damage to the display screen body is avoided, repair cost is saved, resource recycling is facilitated, and the like.
Description
Technical Field
The invention belongs to the technical field of display screen repair, and particularly relates to a method for removing OCR (optical clear adhesive) or OCA (optical clear adhesive) for repairing a display screen.
Background
Along with the progress of science and technology, electronic product such as cell-phone has got into comprehensive screen era, the display screen of a full screen mainly comprises CG apron, display screen body and backlight, electronic product such as cell-phone of comprehensive screen is when using, the broken condition of full screen damage often can take place, if will comprehensively screen whole change, the cost can be very high, consequently when repairing OLED display screen or LCD display screen, need get rid of OCR glue or OCA glue on the display screen, recycle display screen body or the backlight to the display screen.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the method for removing the OCR glue or the OCA glue on the display screen so as to recycle the display screen body or the backlight source of the display screen.
In order to solve the technical problems, the invention adopts the following technical scheme:
a method for removing OCR glue or OCA glue for repairing a display screen comprises the following steps:
(1) freezing the display screen to be repaired in an industrial refrigerator at the temperature ranging from-135 ℃ to-145 ℃ for 35min to 40min, and separating the display screen body of the display screen from the backlight source;
(2) placing the surface of the detached display screen body stuck with the OCR glue or the OCA glue upwards on a heating platform for heating, wherein the heating temperature range of the heating platform is 55-65 ℃, and the heating time range is 30-60 s;
(3) taking the heated display screen body out of the heating platform and scraping OCR glue or OCA glue on the display screen body by using a cotton swab;
(4) placing the display screen body after the OCR glue or the OCA glue is removed on a tray, and placing the surface, which is attached to the backlight source, of the display screen body upwards;
(5) adhering a reworking adhesive tape to one surface of the backlight source, which is adhered with the OCR adhesive or the OCA adhesive, wherein the reworking adhesive tape is flush with the surface of the backlight source, which is adhered with the OCR adhesive or the OCA adhesive, and then cutting off the reworking adhesive tape by using a knife;
(6) placing the backlight source with the surface attached with the reworked adhesive tape downwards on a heating platform for heating, wherein the temperature range of the heating platform is 55-65 ℃, and the heating time range is 30-60 s;
(7) tearing off the reworked adhesive tape on the backlight source, and removing residual OCR (optical clear adhesive) glue or OCA (optically clear adhesive) glue on the backlight source by using a cotton swab;
(8) and the OCA glue removing or OCA glue display screen body and the backlight source are placed on the tray.
Preferably, the freezing temperature in the step (1) is-140 ℃, and the freezing time is 40 min.
Preferably, the heating temperature of the heating platform in the step (2) and the heating time of the heating platform in the step (6) are both 60 ℃ and 60 s.
By adopting the technical scheme, the invention has the following beneficial effects:
(1) the display screen needing to be repaired is placed into an industrial refrigerator to be frozen for 40min at the freezing temperature of 140 ℃ below zero, and the industrial refrigerator is convenient for separating a display screen body in the display screen needing to be repaired from parts such as a backlight source and the like, so that the display screen body is more quickly separated from the parts such as the backlight source and the like;
(2) the display screen body and the backlight source are heated, so that residual OCR glue or OCA glue on the display screen and the backlight source can be removed conveniently, the display screen body or the backlight source of the display screen can be recycled, the repair cost is saved, and the resource can be recycled conveniently;
(3) according to the invention, the display screen body after the removal of the OCR glue or the OCA glue is placed on the tray, and the surface of the display screen body, which is attached to the backlight source, is placed upwards, so that the display screen body is protected conveniently, and the display screen body is prevented from being damaged by scratching;
in conclusion, the invention has the advantages that the OCR glue or OCA glue on the display screen can be removed, so that the display screen body or the backlight source of the display screen can be recycled, the damage to the display screen body caused by scraping is avoided, the repair cost is saved, the resource recycling is facilitated, and the like.
Detailed Description
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention discloses a method for removing OCR glue or OCA glue for repairing a display screen, which is characterized by comprising the following steps of:
(1) the display screen to be repaired is placed into an industrial refrigerator for freezing, the freezing temperature range is minus 135 ℃ to minus 145 ℃, the freezing time range is 35min to 40min, then the display screen body of the display screen is separated from the backlight source, a jig is inserted between the display screen body and the backlight source, and then the jig is slightly rotated to separate the display screen body from the backlight source, so that the backlight source and the display screen body are prevented from being damaged due to overlarge stress;
(2) placing the surface of the detached display screen body stuck with the OCR glue or the OCA glue upwards on a heating platform for heating, placing the surface stuck with the OCR glue or the OCA glue upwards to prevent scratching and damaging the display screen body and avoid the phenomenon that the display screen body cannot be recycled, wherein the heating temperature range of the heating platform is 55-65 ℃, the heating temperature of the heating platform is kept at 60 ℃, the heating time range is 30-60 s, and the heating time is kept at 60 s;
(3) taking the heated display screen body out of the heating platform and scraping OCR glue or OCA glue on the display screen body by using a cotton swab;
(4) placing the display screen body after the OCR glue or the OCA glue is removed on a tray, and placing the surface, which is attached to the backlight source, of the display screen body upwards to prevent the display screen body from being scratched and damaged and cannot be recycled;
(5) adhering a reworking adhesive tape to one surface of the backlight source, which is adhered with the OCR adhesive or the OCA adhesive, wherein the reworking adhesive tape is flush with the surface of the backlight source, which is adhered with the OCR adhesive or the OCA adhesive, and then cutting off the reworking adhesive tape by using a knife;
(6) placing the side, which is attached with the reworking adhesive tape, of the backlight source downwards on a heating platform for heating, wherein the temperature range of the heating platform is 55-65 ℃, the heating time range is 30-60 s, the heating temperature of the heating platform is kept at 60 ℃, the heating time is kept at 60s, the side, which is attached with the reworking adhesive tape, is attached to the heating platform, and the reworking adhesive tape is used for adhering OCR (optical character recognition) adhesive or OCA (optical clear adhesive) adhesive on the backlight source;
(7) tearing off the reworked adhesive tape on the backlight source, removing residual OCR (optical clear adhesive) or OCA (optical clear adhesive) glue on the backlight source by using a cotton swab, and further removing the OCR glue or OCA glue on the backlight source;
(8) and the OCA glue removing or OCA glue display screen body and the backlight source are placed on the tray.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (3)
1. A method for removing OCR glue or OCA glue for repairing a display screen is characterized by comprising the following steps:
(1) freezing the display screen to be repaired in an industrial refrigerator at the temperature ranging from-135 ℃ to-145 ℃ for 35min to 40min, and separating the display screen body of the display screen from the backlight source;
(2) placing the surface of the detached display screen body stuck with the OCR glue or the OCA glue upwards on a heating platform for heating, wherein the heating temperature range of the heating platform is 55-65 ℃, and the heating time range is 30-60 s;
(3) taking the heated display screen body out of the heating platform and scraping OCR glue or OCA glue on the display screen body by using a cotton swab;
(4) placing the display screen body after the OCR glue or the OCA glue is removed on a tray, and placing the surface, which is attached to the backlight source, of the display screen body upwards;
(5) adhering a reworking adhesive tape to one surface of the backlight source, which is adhered with the OCR adhesive or the OCA adhesive, wherein the reworking adhesive tape is flush with the surface of the backlight source, which is adhered with the OCR adhesive or the OCA adhesive, and then cutting off the reworking adhesive tape by using a knife;
(6) placing the backlight source with the surface attached with the reworked adhesive tape downwards on a heating platform for heating, wherein the temperature range of the heating platform is 55-65 ℃, and the heating time range is 30-60 s;
(7) tearing off the reworked adhesive tape on the backlight source, and removing residual OCR (optical clear adhesive) glue or OCA (optically clear adhesive) glue on the backlight source by using a cotton swab;
(8) and the OCA glue removing or OCA glue display screen body and the backlight source are placed on the tray.
2. The method for removing OCR glue or OCA glue for display screen repair according to claim 1, wherein the method comprises the following steps: the freezing temperature in the step (1) is-140 ℃, and the freezing time is 40 min.
3. The method for removing OCR glue or OCA glue for display screen repair according to claim 1, wherein the method comprises the following steps: the heating temperature of the heating platform in the step (2) and the heating time of the heating platform in the step (6) are both 60 ℃, and the heating time is both 60 s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911350172.0A CN111097779A (en) | 2019-12-24 | 2019-12-24 | Method for removing OCR (optical character recognition) glue or OCA (optical clear adhesive) glue for repairing display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911350172.0A CN111097779A (en) | 2019-12-24 | 2019-12-24 | Method for removing OCR (optical character recognition) glue or OCA (optical clear adhesive) glue for repairing display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111097779A true CN111097779A (en) | 2020-05-05 |
Family
ID=70424489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911350172.0A Pending CN111097779A (en) | 2019-12-24 | 2019-12-24 | Method for removing OCR (optical character recognition) glue or OCA (optical clear adhesive) glue for repairing display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111097779A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112048257A (en) * | 2020-08-28 | 2020-12-08 | 深圳同兴达科技股份有限公司 | Display screen OCA (optical clear area) clearing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107225840A (en) * | 2017-04-21 | 2017-10-03 | 深圳市立德通讯器材有限公司 | Full laminating display screen disassembles separation method |
| KR20180092538A (en) * | 2017-02-09 | 2018-08-20 | (주)케이에프엠 | Tape for removal of optically clear adhesive on panel, method for preparing the same and method for separation and removal method of optically clear adhesive on panel using the tape |
| CN110153091A (en) * | 2019-05-16 | 2019-08-23 | 深圳大视野志远科技有限公司 | A kind of touch screen method for cleaning |
| CN110170469A (en) * | 2019-05-21 | 2019-08-27 | 东莞市吉力泰光电科技有限公司 | A kind of OCA glue automation removal technique and system |
| CN110240873A (en) * | 2018-03-09 | 2019-09-17 | 安徽屹珹新材料科技有限公司 | A kind of heavy industry adhesive tape and its preparation method and application |
-
2019
- 2019-12-24 CN CN201911350172.0A patent/CN111097779A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180092538A (en) * | 2017-02-09 | 2018-08-20 | (주)케이에프엠 | Tape for removal of optically clear adhesive on panel, method for preparing the same and method for separation and removal method of optically clear adhesive on panel using the tape |
| CN107225840A (en) * | 2017-04-21 | 2017-10-03 | 深圳市立德通讯器材有限公司 | Full laminating display screen disassembles separation method |
| CN110240873A (en) * | 2018-03-09 | 2019-09-17 | 安徽屹珹新材料科技有限公司 | A kind of heavy industry adhesive tape and its preparation method and application |
| CN110153091A (en) * | 2019-05-16 | 2019-08-23 | 深圳大视野志远科技有限公司 | A kind of touch screen method for cleaning |
| CN110170469A (en) * | 2019-05-21 | 2019-08-27 | 东莞市吉力泰光电科技有限公司 | A kind of OCA glue automation removal technique and system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112048257A (en) * | 2020-08-28 | 2020-12-08 | 深圳同兴达科技股份有限公司 | Display screen OCA (optical clear area) clearing method |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200505 |