CN114539936B - Light guide plate back adhesive assembly capable of avoiding bubbles and production method thereof - Google Patents
Light guide plate back adhesive assembly capable of avoiding bubbles and production method thereof Download PDFInfo
- Publication number
- CN114539936B CN114539936B CN202210296629.XA CN202210296629A CN114539936B CN 114539936 B CN114539936 B CN 114539936B CN 202210296629 A CN202210296629 A CN 202210296629A CN 114539936 B CN114539936 B CN 114539936B
- Authority
- CN
- China
- Prior art keywords
- double
- light guide
- guide plate
- film
- exhaust
- 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.)
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Links
- 239000000853 adhesive Substances 0.000 title claims abstract description 30
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000003292 glue Substances 0.000 claims abstract description 25
- 239000012790 adhesive layer Substances 0.000 claims description 29
- 239000010410 layer Substances 0.000 claims description 19
- 238000005520 cutting process Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000002390 adhesive tape Substances 0.000 description 22
- 239000012528 membrane Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 210000002489 tectorial membrane Anatomy 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention relates to the technical field of light guide plate back adhesive products, in particular to a light guide plate back adhesive component capable of avoiding bubbles and a production method thereof. The invention has ingenious design, and during production, bubbles in the back glue component are discharged through the exhaust slot, and after the bubbles are discharged, the light guide plate is adhered on the first double-sided back glue layer, so that the problem of uneven light guide of the back glue of the light guide plate can be avoided, the stability of the back glue component of the light guide plate is improved, and the reject ratio is reduced.
Description
Technical Field
The invention relates to the technical field of light guide plate back glue products, in particular to a light guide plate back glue component capable of avoiding bubbles and a production method thereof.
Background
The existing light guide plate back adhesive is directly covered with double-sided back adhesive, and when the double-sided back adhesive is covered, a machine has the problem of unstable pressure, air bubbles can be generated in a back adhesive area, and most importantly, after the light guide plate is attached, the back adhesive is found to have air bubbles, so that the whole assembly is uneven in light guide, the whole assembly can be scrapped, the manufacturing cost of the product is high, and the market requirement cannot be met.
Disclosure of Invention
The invention provides a light guide plate back adhesive assembly capable of avoiding bubbles and a production method thereof, which aim at the problems in the prior art, are ingenious in design, and are characterized in that during production, a first double-sided back adhesive layer, a light-equalizing film, a second double-sided back adhesive layer, a release film and a backing film are sequentially stacked and adhered to form the back adhesive assembly, and a roller is used for pressing the back adhesive assembly, so that bubbles in the back adhesive assembly are discharged through an exhaust slot, and after the bubbles are discharged, a light guide plate is adhered to the first double-sided back adhesive layer, so that the problem of uneven light guide of the back adhesive of the light guide plate can be avoided, the stability of the back adhesive assembly of the light guide plate is improved, and the reject ratio is reduced.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a light guide plate gum assembly capable of avoiding bubbles, which comprises a light guide plate, a first double-sided gum layer, a light equalizing film, a second double-sided gum layer, a release film and a backing film which are sequentially arranged from top to bottom, wherein the first double-sided gum layer, the light equalizing film, the second double-sided gum layer and the release film are all provided with exhaust slits in a penetrating manner, and the exhaust slits of the first double-sided gum layer, the light equalizing film, the second double-sided gum layer and the release film are arranged in a one-to-one correspondence manner.
The exhaust seam of the first double-sided adhesive tape, the exhaust seam of the light-homogenizing film, the exhaust seam of the second double-sided adhesive tape and the exhaust seam of the release film are all provided with a plurality of exhaust seams.
Wherein, a plurality of exhaust slits are arranged at equal intervals.
The light guide plate comprises a support base film, a first double-sided adhesive layer, a second double-sided adhesive layer, a light homogenizing film, a first double-sided adhesive layer, a second double-sided adhesive layer, a light guide plate and a light guide plate, wherein the release film is adhered to the support base film, the second double-sided adhesive layer is adhered to the release film, the light homogenizing film is adhered to the second double-sided adhesive layer, the first double-sided adhesive layer is adhered to the light homogenizing film, and the light guide plate is adhered to the first double-sided adhesive layer.
The light guide plate, the first double-sided adhesive layer, the light homogenizing film, the second double-sided adhesive layer, the release film and the bottom supporting film are respectively and sequentially adhered to each other through optical glue.
The invention also provides a production method of the light guide plate back adhesive assembly capable of avoiding bubbles, which comprises the following steps: the back glue assembly is formed by stacking and pasting the first double-sided back glue layer, the light equalizing film, the second double-sided back glue layer, the release film and the bottom supporting film in sequence, the back glue assembly is punched and cut through the cutting die to form an exhaust slot, the back glue assembly is pressed by the roller, air bubbles in the back glue assembly are discharged through the exhaust slot, and after the air bubbles are discharged, the light guide plate is pasted on the first double-sided back glue layer.
The light guide plate, the first double-sided adhesive layer, the light homogenizing film, the second double-sided adhesive layer, the release film and the bottom supporting film are respectively and sequentially adhered to each other through optical glue.
Wherein, die-cut gum subassembly through the cutting die makes it form a plurality of row of exhaust slits that equidistant setting.
The invention has the beneficial effects that:
the invention has ingenious design, and during production, the first double-sided adhesive layer, the light-homogenizing film, the second double-sided adhesive layer, the release film and the backing film are sequentially stacked and adhered to form the adhesive assembly, the adhesive assembly is pressed by the rollers, so that bubbles in the adhesive assembly are discharged through the exhaust slot, and after the bubbles are discharged, the light guide plate is adhered to the first double-sided adhesive layer, so that the problem of uneven light guide of the adhesive of the light guide plate can be avoided, the stability of the adhesive assembly of the light guide plate is improved, the reject ratio is reduced, the problem that bubbles cannot be discharged due to unstable film covering pressure in the prior art is solved, a part of products are prevented from being scrapped, and the quality of the products is improved.
Drawings
Fig. 1 is a schematic structural diagram of a light guide plate back adhesive assembly capable of avoiding air bubbles in embodiment 1.
Fig. 2 is a flowchart of a method for producing a light guide plate back adhesive assembly capable of avoiding air bubbles in accordance with embodiment 2.
Fig. 3 is a schematic structural diagram of the die-cut back adhesive assembly of example 2.
The reference numerals in fig. 1 to 3 include:
1. a first double-sided adhesive backing layer; 2. a light equalizing film; 3. a second double-sided backing adhesive layer; 4. a release film;
5. a backing film; 6. a cutting die; 7. an exhaust slot; 8. a light guide plate.
Detailed Description
The invention will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the invention. The present invention will be described in detail below with reference to the accompanying drawings.
Example 1
This embodiment 1 provides a light guide plate gum subassembly that can avoid bubble, as shown in fig. 1, including light guide plate 8, first two-sided gum layer 1, light equalizing film 2, second two-sided gum layer 3, from type membrane 4 and holding in the palm backing film 5 that set gradually from last to down, first two-sided gum layer 1, light equalizing film 2, second two-sided gum layer 3 and from type membrane 4 all run through and are provided with exhaust slit 7, the exhaust slit 7 of first two-sided gum layer 1 the exhaust slit 7 of light equalizing film 2 the exhaust slit 7 of second two-sided gum layer 3 with from the exhaust slit 7 one-to-one setting of type membrane 4. Specifically, this embodiment 1 novel structure, design benefit, when producing, with first two-sided adhesive tape 1, light equalizing film 2, second two-sided adhesive tape 3, form the gum subassembly after stacking gradually from type membrane 4 and backing film 5, the gyro wheel presss from both sides the gum subassembly, make the bubble in the gum subassembly pass through exhaust slot 7 discharge, after the bubble discharge, paste light guide plate 8 on first two-sided adhesive tape 1, can avoid the uneven problem of light guide plate 8 gum light guide, improve the stability of light guide plate 8 gum subassembly, the defective rate is reduced, solve the unstable problem that causes the bubble unable exhaust of traditional tectorial membrane pressure, avoid causing a part of products to scrap, improve the quality of product.
In this embodiment, the exhaust slit 7 of the first double-sided adhesive tape 1, the exhaust slit 7 of the light-homogenizing film 2, the exhaust slit 7 of the second double-sided adhesive tape 3, and the exhaust slit 7 of the release film 4 are all provided with a plurality of air-vents. Wherein, a plurality of exhaust slits 7 are arranged at equal intervals. Specifically, under the above-mentioned setting, improve bubble exhaust efficiency and effect, further improve production efficiency, improve the structural stability and the reliability of light guide plate 8 gum subassembly.
In this embodiment, the release film 4 is adhered to the backing film 5, the second double-sided adhesive tape 3 is adhered to the release film 4, the light-equalizing film 2 is adhered to the second double-sided adhesive tape 3, the first double-sided adhesive tape 1 is adhered to the light-equalizing film 2, and the light guide plate 8 is adhered to the first double-sided adhesive tape 1. Wherein, the light guide plate 8, the first double-sided adhesive tape 1, the light equalizing film 2, the second double-sided adhesive tape 3, the release film 4 and the backing film 5 are respectively adhered to each other by optical glue in sequence.
Example 2
The embodiment 2 provides a method for producing a light guide plate 8 back adhesive assembly capable of avoiding air bubbles, as shown in fig. 2 to 3, comprising the following steps: the first double-sided adhesive tape 1, the light equalizing film 2, the second double-sided adhesive tape 3, the release film 4 and the backing film 5 are sequentially stacked and adhered to form an adhesive tape assembly, the adhesive tape assembly is punched and cut by the cutting die 6 to form an exhaust slot 7, the adhesive tape assembly is pressed by the roller, air bubbles in the adhesive tape assembly are discharged through the exhaust slot 7, and after the air bubbles are discharged, the light guide plate 8 is adhered to the first double-sided adhesive tape 1. Specifically, the method of this embodiment 2 solves the problem that bubbles cannot be discharged due to unstable pressure of the conventional film coating, avoids scrapping a part of products, improves the quality of the products, and improves the stability.
In this embodiment, the light guide plate 8, the first double-sided adhesive tape 1, the light-uniformizing film 2, the second double-sided adhesive tape 3, the release film 4 and the backing film 5 are adhered to each other sequentially by optical glue. Wherein, die-cut gum subassembly through cutting die 6 makes it form a plurality of row of exhaust slits 7 that equidistant setting.
The present invention is not limited to the preferred embodiments, but is intended to be limited to the following description, and any modifications, equivalent changes and variations in light of the above-described embodiments will be apparent to those skilled in the art without departing from the scope of the present invention.
Claims (2)
1. A method for producing a light guide plate back adhesive component capable of avoiding bubbles is characterized by comprising the following steps: the light guide plate back adhesive assembly comprises a light guide plate, a first double-sided adhesive layer, a light equalizing film, a second double-sided adhesive layer, a release film and a bottom supporting film which are sequentially arranged from top to bottom, wherein the first double-sided adhesive layer, the light equalizing film, the second double-sided adhesive layer and the release film are all provided with exhaust slits in a penetrating manner, and the exhaust slits of the first double-sided adhesive layer, the exhaust slits of the light equalizing film, the exhaust slits of the second double-sided adhesive layer and the exhaust slits of the release film are arranged in a one-to-one correspondence;
the exhaust slot of the first double-sided adhesive layer, the exhaust slot of the light-homogenizing film, the exhaust slot of the second double-sided adhesive layer and the exhaust slot of the release film are all provided with a plurality of exhaust slots;
the exhaust slots are arranged at equal intervals;
the production method of the light guide plate back adhesive component comprises the following steps: the back glue assembly is formed by stacking and pasting the first double-sided back glue layer, the light-equalizing film, the second double-sided back glue layer, the release film and the bottom supporting film in sequence, the back glue assembly is punched and cut through the cutting die to form a plurality of exhaust slits which are arranged at equal intervals, the back glue assembly is pressed by the roller, air bubbles in the back glue assembly are discharged through the exhaust slits, and the light guide plate is pasted on the first double-sided back glue layer after the air bubbles are discharged.
2. The method for producing the light guide plate back adhesive assembly capable of avoiding bubbles according to claim 1, wherein the method comprises the following steps: the light guide plate, the first double-sided adhesive layer, the light homogenizing film, the second double-sided adhesive layer, the release film and the bottom supporting film are respectively and sequentially adhered to each other through optical glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210296629.XA CN114539936B (en) | 2022-03-24 | 2022-03-24 | Light guide plate back adhesive assembly capable of avoiding bubbles and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210296629.XA CN114539936B (en) | 2022-03-24 | 2022-03-24 | Light guide plate back adhesive assembly capable of avoiding bubbles and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114539936A CN114539936A (en) | 2022-05-27 |
| CN114539936B true CN114539936B (en) | 2023-12-01 |
Family
ID=81666067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210296629.XA Active CN114539936B (en) | 2022-03-24 | 2022-03-24 | Light guide plate back adhesive assembly capable of avoiding bubbles and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114539936B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102876251A (en) * | 2012-10-26 | 2013-01-16 | 南京冠佳科技有限公司 | Preparation method of gum |
| KR20140130783A (en) * | 2013-05-02 | 2014-11-12 | (주)세경하이테크 | method for Composite Graphite Film |
| CN106413307A (en) * | 2016-09-22 | 2017-02-15 | 宇龙计算机通信科技(深圳)有限公司 | Back adhesive layer, preparation method for back adhesive layer, and terminal |
| CN106597600A (en) * | 2017-02-04 | 2017-04-26 | 京东方科技集团股份有限公司 | Backlight module, light guide panel assembly and manufacturing method thereof |
| CN108630815A (en) * | 2017-03-16 | 2018-10-09 | 上海和辉光电有限公司 | A kind of module gum and organic light-emitting diode display module |
| CN208218747U (en) * | 2018-03-23 | 2018-12-11 | 江西联创致光科技有限公司 | A kind of cell phone back light source FPC component gum |
| CN208521108U (en) * | 2018-07-20 | 2019-02-19 | 瑞仪光电(南京)有限公司 | Backlight module and display equipment |
| CN111381309A (en) * | 2018-12-31 | 2020-07-07 | 现代自动车株式会社 | Backlight unit for flat lighting device with improved flexibility and method of manufacturing the same |
| CN212341639U (en) * | 2020-07-13 | 2021-01-12 | 深圳市泰坦士科技有限公司 | A prevent bubble protection film and display screen for display screen |
| CN113253371A (en) * | 2021-04-25 | 2021-08-13 | 惠州视维新技术有限公司 | Brightness enhancement film |
| WO2021200770A1 (en) * | 2020-03-30 | 2021-10-07 | 日東電工株式会社 | Backlight unit and image display device |
-
2022
- 2022-03-24 CN CN202210296629.XA patent/CN114539936B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102876251A (en) * | 2012-10-26 | 2013-01-16 | 南京冠佳科技有限公司 | Preparation method of gum |
| KR20140130783A (en) * | 2013-05-02 | 2014-11-12 | (주)세경하이테크 | method for Composite Graphite Film |
| CN106413307A (en) * | 2016-09-22 | 2017-02-15 | 宇龙计算机通信科技(深圳)有限公司 | Back adhesive layer, preparation method for back adhesive layer, and terminal |
| CN106597600A (en) * | 2017-02-04 | 2017-04-26 | 京东方科技集团股份有限公司 | Backlight module, light guide panel assembly and manufacturing method thereof |
| CN108630815A (en) * | 2017-03-16 | 2018-10-09 | 上海和辉光电有限公司 | A kind of module gum and organic light-emitting diode display module |
| CN208218747U (en) * | 2018-03-23 | 2018-12-11 | 江西联创致光科技有限公司 | A kind of cell phone back light source FPC component gum |
| CN208521108U (en) * | 2018-07-20 | 2019-02-19 | 瑞仪光电(南京)有限公司 | Backlight module and display equipment |
| CN111381309A (en) * | 2018-12-31 | 2020-07-07 | 现代自动车株式会社 | Backlight unit for flat lighting device with improved flexibility and method of manufacturing the same |
| WO2021200770A1 (en) * | 2020-03-30 | 2021-10-07 | 日東電工株式会社 | Backlight unit and image display device |
| CN212341639U (en) * | 2020-07-13 | 2021-01-12 | 深圳市泰坦士科技有限公司 | A prevent bubble protection film and display screen for display screen |
| CN113253371A (en) * | 2021-04-25 | 2021-08-13 | 惠州视维新技术有限公司 | Brightness enhancement film |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114539936A (en) | 2022-05-27 |
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