CN111123566A - Full-lamination bubble maintenance method - Google Patents
Full-lamination bubble maintenance method Download PDFInfo
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- CN111123566A CN111123566A CN202010038324.XA CN202010038324A CN111123566A CN 111123566 A CN111123566 A CN 111123566A CN 202010038324 A CN202010038324 A CN 202010038324A CN 111123566 A CN111123566 A CN 111123566A
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- bubble
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- lamination
- maintenance
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- 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]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Human Computer Interaction (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a full-lamination bubble maintenance method which comprises the following steps: step one, determining the position of the bubble with the defect on the full-lamination product with the bubble defect. And step two, dropping a drop of optical liquid glue (OCR) close to the edge of the bubble. And step three, wrapping the front end of the maintenance tool by using optical liquid glue. And step four, penetrating the front end of the maintenance tool into the air bubble from the position, closest to the air bubble position, of the side face of the full-lamination optical adhesive layer. And step five, repeatedly dipping the front end of the maintenance tool with the optical liquid glue, penetrating the optical liquid glue into the air bubbles, and repeatedly penetrating and pulling out the optical liquid glue. And step six, placing the product into a high-pressure defoaming machine for defoaming. And step seven, checking, namely checking the appearance and the function of the product after bubble maintenance. And step eight, curing, namely curing the optical liquid glue. The invention avoids material loss caused by disassembly and product defect caused by secondary processing when bubble defects are maintained after full lamination.
Description
Technical Field
The present invention relates to.
Background
The display is an important component of the multimedia device, and full-lamination is an important and high-end process technology in display lamination, and the problem of bubble defects is particularly prominent in large-size full-lamination technology.
The existing full-lamination bubble defect maintenance only comprises disassembly and rework, the disassembly and rework technology is mature in the full lamination of small-size OCA (optical clear adhesive) and OCR (optical liquid adhesive), and for large sizes, due to the fact that the area of a product is enlarged, fragments and other appearance and function defects are easy to occur in disassembly, and the yield loss of the disassembly machine is large. In addition, the SCA (an optical transparent adhesive) technology can not be disassembled after being fully laminated and cured.
The OCA small-size full-lamination disassembling technology mainly comprises the steps of disassembling in a low-temperature freezing environment, enabling the viscosity of an OCA adhesive material to lose efficacy at the temperature below-30 ℃ through a freezing refrigerator, and then manually separating a full-lamination display panel from a protection panel, wherein the disassembling is easy to break, the display panel falls off, and the functions and the water vapor invasion are poor.
The OCR small-size full-lamination disassembling technology mainly comprises molybdenum wire cutting and disassembling, wherein a display panel and a protection panel are separated through molybdenum wires or other filament cutting colloids, and the disassembling is easy to have the conditions of fragments, surface scratches, functional defects and the like.
The SCA reworking does not have the technology of disassembling at present, once the SCA reworking cannot be disassembled, the panels cannot be separated and attached no matter the SCA reworking is disassembled by freezing or molybdenum wire cutting.
In summary, in the existing full-lamination bubble defect maintenance process, especially the full-lamination OCA, OCR and SCA process is particularly prone to bubble defects in the large-size full-lamination field, and needs to be disassembled and reworked, even the SCA cannot be reworked after being cured, secondary defects are particularly prone to being generated in the disassembling process, the SCA needs to be directly scrapped and needs to be completed by adding new equipment matched with the disassembling process, the disassembling process is completed by utilizing the principle that low-temperature glue materials are not adhered, other adhesive materials are also prevented from being adhered and falling off, and rework operation cannot be completed efficiently and high-quality. The prior art has the condition that disassembly cannot be carried out or only disassembly rework can be adopted aiming at the bubble defect after the display is completely attached, and the problems of fragments and the like easily occur in disassembly rework.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a full-lamination bubble defect repairing process, in which a repairing tool is used in conjunction with an optical liquid glue to repair a bubble defect, and the optical liquid glue is used to fill a cavity with the original bubble defect, so as to effectively solve the problem that the defect must be disassembled to cause various disassembly problems or cannot be disassembled.
In order to achieve the purpose, the invention provides the following technical scheme: the invention relates to a full-lamination bubble maintenance method, which comprises the following steps:
step one, determining the position of the bubble with the defect on the full-lamination product with the bubble defect.
And secondly, dripping optical liquid glue close to the edge of the bubble.
And step three, wrapping the front end of the maintenance tool by using optical liquid glue.
And step four, penetrating the front end of the maintenance tool into the air bubble from the position, closest to the air bubble position, of the side face of the full-lamination optical adhesive layer.
And step five, repeatedly dipping the front end of the maintenance tool in the optical liquid glue, penetrating the optical liquid glue into the air bubbles, and repeatedly penetrating and pulling out the optical liquid glue to enable the optical liquid glue to drop into the air bubble cavity.
And step six, placing the product into a high-pressure defoaming machine for defoaming so as to fully fill the optical liquid glue into the bubble cavity.
And step seven, checking, namely checking the appearance and the function of the product after bubble maintenance.
And step eight, curing, namely curing the optical liquid glue.
Furthermore, the maintenance tool is a needle-shaped or sheet-shaped tool made of metal materials or plastic materials.
Further, the service tool comprises a fine needle, a film, a foil or a fine needle syringe.
Further, in the defoaming, the temperature is set to 25 ℃ or higher, the pressure is set to 1N or higher, and the defoaming time is one minute or longer.
Further, the curing is thermal curing or UV curing.
The invention has the beneficial effects that the invention provides a maintenance process for the defect of the full-lamination bubble, the defect is filled by the puncture of a maintenance tool matched with OCR (optical liquid glue), and then the bubble cavity is completely filled by the OCR through defoaming, the maintenance method is simple, and the material loss caused by disassembly and the product defect caused by secondary processing are avoided; the defects of the full-lamination product are perfectly repaired, the problems of low yield and high material cost of large-size full-lamination disassembly are particularly and prominently solved, the appearance of the product after maintenance can achieve seamless and color difference-free, the reliability of the maintenance part can achieve vehicle-mounted level (vehicle-mounted level OCR is used for maintenance), and the economic loss caused by large-size full-lamination bubbles is greatly solved.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
fig. 1 is a schematic diagram of bubble defect repair using a full-lamination bubble defect repair process in the present embodiment.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
The invention relates to a full-lamination bubble maintenance method which is applicable to full-lamination products comprising an OCA (optical clear adhesive) process, an OCR (optical character recognition) process and an SCA (supervisory control and alarm system) process, wherein the process product structure comprises G + G (a touch screen made of surface tempered GLASS and GLASS GLASS), G + F (a touch screen made of surface tempered GLASS and thin FILM), F + F (a touch screen made of thin FILM and a touch screen made of thin FILM), TP + LCD (a touch panel and a liquid crystal display), TP + LCM (a touch panel and a liquid crystal display module) and LCD (a liquid crystal display and a liquid crystal display).
In the present embodiment, the full-lamination bubble maintenance method includes the steps of: step one, determining the position of the bubble with the defect on the full-lamination product with the bubble defect.
And step two, dropping a drop of optical liquid glue (OCR) close to the edge of the bubble.
And step three, wrapping the front end of the maintenance tool by using optical liquid glue.
And step four, penetrating the front end of the maintenance tool into the air bubble from the position, closest to the air bubble position, of the side face of the full-lamination optical adhesive layer.
And step five, repeatedly dipping the front end of the maintenance tool in the optical liquid glue, penetrating the optical liquid glue into the air bubbles, and repeatedly penetrating and pulling out the optical liquid glue to enable the optical liquid glue to drop into the air bubble cavity.
And step six, placing the product into a high-pressure defoaming machine for defoaming so as to fully fill the optical liquid glue into the bubble cavity.
Step seven, checking, namely checking the appearance and the function of the product after bubble maintenance; and if the inspection result does not meet the standard, performing secondary maintenance and repeating the steps.
And step eight, curing, namely curing the optical liquid glue.
The maintenance tool is a needle-shaped or sheet-shaped tool made of metal or plastic materials.
The service tool comprises a fine needle, film, foil or fine needle syringe.
In the defoaming, the temperature is set to 25 ℃ or higher, the pressure is set to 1N or higher, and the defoaming time is one minute or more.
The curing adopts thermal curing or UV curing, and correspondingly, the OCR used for maintenance can be thermal curing type industrial optical cement or UV curing type liquid optical cement.
In the present embodiment, as shown in fig. 1, the selected product structure includes a transparent area 11 and an edge area 12 on the protection panel 1, where the edge area 12 may be transparent or non-transparent, and the non-transparent area may be covered by ink or other materials. The protective panel 1 is not a single glass, but includes a panel having a circuit function. The glue material area 2 is a material for adhering the protective panel 1 and the display panel 4, wherein the display panel 4 comprises a display area 41 and an outer side frame 42, a maintenance position and a bubble defect position 3 in the glue material 2 are close to the bubble defect area 31, and a maintenance channel 32, wherein the maintenance channel is not a virtual schematic diagram, the channel can be seen only in the actual maintenance process, and the defect position and the maintenance channel disappear after defoaming and are integrated with the glue material 2.
During the maintenance, drip OCR and scribble defect position department, then use repair tools to dip in OCR (surperficial OCR parcel) and penetrate by defect position 3 department, OCR has lubrication and sealing effect for liquid glue, penetrates and inserts repeatedly behind the bubble defect position 3.1, and OCR is mixed with a small amount of gas because of filling OCR in the pressure difference gos deep into bubble defect cavity this moment.
And (3) placing the product filled with the OCR into a high-pressure defoaming machine for high-pressure defoaming, removing bubbles mixed in the OCR, releasing the internal pressure difference, balancing the internal stress after maintenance, and ensuring the subsequent reliability and the picture display effect.
And (4) placing the display panel and the protection panel after the defoaming treatment into a detection device for detection, wherein the detection content comprises appearance and function tests, if the display panel and the protection panel are not in accordance with the standards after the tests, performing a maintenance process again for secondary maintenance, and if the display panel and the protection panel are in accordance with the standards, entering the next process.
And (3) wiping redundant OCR (optical character recognition) of the display panel and the protection panel which are tested to be in accordance with the standard, and then curing, wherein the curing condition can be heating curing, the heating temperature is higher than 30 ℃, or UV (ultraviolet) irradiation curing, and the curing condition is adjusted according to the OCR property maintenance.
The invention has the beneficial effects that the invention provides a maintenance process for the defect of the full-lamination bubble, the defect is filled by the puncture of a maintenance tool matched with OCR (optical liquid glue), and then the bubble cavity is completely filled by the OCR through defoaming, the maintenance method is simple, and the material loss caused by disassembly and the product defect caused by secondary processing are avoided; the defects of the full-lamination product are perfectly repaired, the problems of low yield and high material cost of large-size full-lamination disassembly are particularly and prominently solved, the appearance of the product after maintenance can achieve seamless and color difference-free, the reliability of the maintenance part can achieve vehicle-mounted level (vehicle-mounted level OCR is used for maintenance), and the economic loss caused by large-size full-lamination bubbles is greatly solved.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, when used in the orientation or positional relationship indicated in the figures, are used merely for convenience in describing the invention and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered as limiting. Furthermore, the appearances of the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Claims (5)
1. A full-lamination bubble maintenance method is characterized by comprising the following steps:
step one, determining the position of a bubble with a defect on a full-lamination product with the bubble defect;
secondly, dripping optical liquid glue close to the edge of the bubble;
step three, wrapping the front end of the maintenance tool by using optical liquid glue;
penetrating the front end of the maintenance tool into the air bubble from the position, closest to the air bubble position, of the side face of the full-lamination optical adhesive layer;
step five, dipping the front end of the maintenance tool repeatedly to get the optical liquid glue to penetrate into the air bubble, repeatedly penetrating and pulling out,
making the optical liquid glue drop enter the bubble cavity;
step six, placing the product into a high-pressure defoaming machine for defoaming so as to fully fill the optical liquid glue into the bubble cavity;
step seven, checking, namely checking the appearance and the function of the product after bubble maintenance;
and step eight, curing, namely curing the optical liquid glue.
2. The full-lamination bubble maintenance method according to claim 1, wherein the maintenance tool is a needle-like or sheet-like tool made of metal or plastic.
3. The full-conformable bubble repair method of claim 2, wherein the repair tool comprises a fine needle, film, foil, or fine needle syringe.
4. The full-lamination bubble maintenance method according to claim 1, wherein a temperature is set to 25 ℃ or higher, a pressure is set to 1N or higher, and a defoaming time is one minute or longer.
5. The full-lamination bubble repair method according to claim 1, wherein the curing is thermal curing or UV curing.
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| CN202010038324.XA CN111123566B (en) | 2020-01-14 | 2020-01-14 | Full-lamination bubble maintenance method |
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| CN202010038324.XA CN111123566B (en) | 2020-01-14 | 2020-01-14 | Full-lamination bubble maintenance method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112937072A (en) * | 2021-03-26 | 2021-06-11 | 重庆烯宇新材料科技有限公司 | Method for maintaining defects before full-lamination curing of liquid optical cement |
| CN113253495A (en) * | 2021-05-28 | 2021-08-13 | 苏州华星光电技术有限公司 | Liquid crystal panel bubble collecting method and device |
| CN113777815A (en) * | 2021-09-07 | 2021-12-10 | 深圳市祥晖光电有限公司 | High-precision rapid laminating process for intelligent terminal lens |
| CN114755848A (en) * | 2022-04-06 | 2022-07-15 | 赣州市同兴达电子科技有限公司 | Debugging method suitable for attaching bubbles to blind holes of module |
| CN115503321A (en) * | 2022-09-22 | 2022-12-23 | 苏州桐力光电股份有限公司 | Bubble maintenance method in full-lamination product, terminal equipment and assembly method thereof |
| CN117565533A (en) * | 2023-11-16 | 2024-02-20 | 黑龙江天有为电子股份有限公司 | Full-fitting screen assembly and manufacturing method and manufacturing equipment thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112937072A (en) * | 2021-03-26 | 2021-06-11 | 重庆烯宇新材料科技有限公司 | Method for maintaining defects before full-lamination curing of liquid optical cement |
| CN113253495A (en) * | 2021-05-28 | 2021-08-13 | 苏州华星光电技术有限公司 | Liquid crystal panel bubble collecting method and device |
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| CN114755848A (en) * | 2022-04-06 | 2022-07-15 | 赣州市同兴达电子科技有限公司 | Debugging method suitable for attaching bubbles to blind holes of module |
| CN114755848B (en) * | 2022-04-06 | 2023-11-21 | 赣州市同兴达电子科技有限公司 | Debugging method suitable for attaching bubbles to blind holes of module |
| CN115503321A (en) * | 2022-09-22 | 2022-12-23 | 苏州桐力光电股份有限公司 | Bubble maintenance method in full-lamination product, terminal equipment and assembly method thereof |
| CN117565533A (en) * | 2023-11-16 | 2024-02-20 | 黑龙江天有为电子股份有限公司 | Full-fitting screen assembly and manufacturing method and manufacturing equipment thereof |
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| CN111123566B (en) | 2022-07-08 |
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