CN108456492B - Full-page FPC double faced adhesive tape and use method thereof - Google Patents
Full-page FPC double faced adhesive tape and use method thereof Download PDFInfo
- Publication number
- CN108456492B CN108456492B CN201711475880.8A CN201711475880A CN108456492B CN 108456492 B CN108456492 B CN 108456492B CN 201711475880 A CN201711475880 A CN 201711475880A CN 108456492 B CN108456492 B CN 108456492B
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- fpc
- full
- protective film
- page
- adhesive tape
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- 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
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- 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
- C09J2301/20—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
- C09J2301/204—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive coating being discontinuous
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention discloses a full-page FPC double faced adhesive tape, which is matched with a full-page FPC structure in structure and comprises a black surface protective film, a colloid and a white surface protective film, wherein a plurality of colloids are arranged between the black surface protective film and the white surface protective film, the quantity of the colloids is matched with the quantity of the FPCs in the full-page FPC and is in one-to-one correspondence, and the release force of the black surface protective film is smaller than that of the white surface protective film. In the invention, the FPC double faced adhesive tape adopts a full-page structure, and the colloid between the white protective film and the black protective film corresponds to the FPC in the full-page FPC one by one, so that the attachment of the double faced adhesive tape on the FPC is facilitated, a mode of one-by-one attachment in the prior art is replaced, the release force of the black protective film is lower than that of the white protective film, and the colloid cannot be taken away when the black protective film is torn off during attachment.
Description
Technical Field
The invention relates to the technical field of backlight manufacturing, in particular to a full-page FPC double-sided adhesive tape and a using method thereof.
Background
In the backlight assembly process, attaching a FPC (Flexible Printed Circuit) double faced adhesive tape to an entire FPC (Flexible Printed Circuit) is an important process, a single FPC double faced adhesive tape is adopted for attaching at present, the operation efficiency is low, the requirement on the operation skill of an operator is high due to single attaching, defects such as deviation attaching, LED light outlet shielding and the like are prone to occurring, and the defects such as dark areas and light beams of a backlight finished product are caused. More than two months are required to train a new employee to skilled work. And further, the production efficiency is low, the rejection rate is high, and the production cost and the production time are increased.
Disclosure of Invention
Aiming at the problems in the prior art, the full page type FPC double faced adhesive tape is convenient to attach, increases the production efficiency and reduces the rejection rate, and the using method thereof.
The specific technical scheme is as follows:
the utility model provides an entire version formula FPC double faced adhesive tape, its structure cooperatees with the FPC structure of entire version formula, including black surface protection film, colloid and white surface protection film, wherein, black surface protection film with be provided with a plurality of colloids between the white surface protection film, colloid quantity with FPC quantity in the entire version formula FPC cooperatees, and the one-to-one, just black surface protection film is lighter from type force than white surface protection film.
Preferably, the colloid is provided with a plurality of hollow holes, and the hollow holes correspond to the Light Emitting Diodes (LEDs) on the FPC one by one.
Preferably, the hollow hole is in clearance fit with the LED.
Preferably, the glue bodies are arranged in two rows, and one glue body in each row is provided with a positioning hole for being matched with the FPC in the format of the whole printing plate.
Preferably, the positioning holes are formed in the first glue body in each row.
In addition, a use method of the full page FPC double faced adhesive tape is also provided, which comprises the following steps:
s1: flatly placing the whole-format FPC on an operation table;
s2: tearing off a black surface protective film of the whole-format FPC double-sided adhesive tape;
s3: positioning a positioning hole on the full-page FPC double faced adhesive tape and a positioning point on the full-page FPC;
s4: enabling the LEDs to completely enter the hollowed holes of the FPC double-sided adhesive one by one;
s5: the FPC double-sided adhesive tape is completely pasted on the FPC and extruded, so that all the FPC double-sided adhesive tape is tightly attached to the FPC;
s6: and tearing off the white surface protective film.
The positive effects of the technical scheme are as follows:
(1) in the invention, the FPC double faced adhesive tape adopts a full-page structure, and the colloid between the white protective film and the black protective film corresponds to the FPC in the full-page FPC one by one, so that the attachment of the double faced adhesive tape on the FPC is facilitated, a mode of one-by-one attachment in the prior art is replaced, the release force of the black protective film is lower than that of the white protective film, and the colloid cannot be taken away when the black protective film is torn off during attachment.
(2) And the design of the hollow hole is convenient for being matched with the LED, so that the LED is prevented from being shielded.
(3) In addition, the positioning hole is designed to facilitate the positioning fit between the FPC double-sided adhesive tape and the full-page FPC.
Drawings
FIG. 1 is a schematic structural diagram of a full-page FPC double-sided tape of the present invention;
FIG. 2 is a side cross-sectional view of the finished FPC double-sided tape of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is a schematic structural diagram of a full-page FPC.
In the attached drawings, 1, a black surface protective film; 2. a colloid; 21. hollowing out holes; 22. positioning holes; 3. a white surface protective film; 4. finishing a format FPC; 5. FPC; 6. an LED.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the following embodiments are provided for specifically describing the invention with the attached drawings.
FIG. 1 is a schematic structural diagram of a full-page FPC double-sided tape of the present invention; FIG. 2 is a side cross-sectional view of the finished FPC double-sided tape of the present invention; FIG. 3 is an enlarged view of portion A of FIG. 1; FIG. 4 is a schematic structural diagram of a full-page FPC. Please refer to fig. 1 to 4, which show a preferred full-page FPC double sided tape, the structure of which matches with the full-page FPC4 structure, including a black-side protection film 1, a colloid 2 and a white-side protection film 3, wherein a plurality of colloids 2 are disposed between the black-side protection film 1 and the white-side protection film 3, the number of the colloids 2 matches with the number of the FPCs 5 in the full-page FPC4, and the colloids 2 are in one-to-one correspondence, and the release force of the black-side protection film 1 is smaller than that of the white-side protection film 3, and the colloid 2 is not taken away when the black-side protection film 1 is torn off during attaching.
In the invention, the FPC5 double faced adhesive tape adopts a full-page structure, and the glue 2 between the white protective film 3 and the black protective film 1 corresponds to the FPC5 in the full-page FPC4 one by one, so that the double faced adhesive tape on the FPC5 is convenient to attach, the mode of attaching one by one in the prior art is replaced, the release force of the black protective film 1 is lighter than that of the white protective film 3, and the glue 2 cannot be taken away when the black protective film 1 is torn off during attaching.
In the following description, a specific embodiment is described, and it should be noted that the structures, processes, and materials described in the following embodiment are only used to illustrate the feasibility of the embodiment, and are not intended to limit the scope of the present invention.
More specifically, a plurality of hollow holes 21 are arranged on the colloid 2, and the hollow holes 21 correspond to the LEDs 6 on the FPC5 one by one for emitting light from the LEDs 6.
In addition, the hollow hole 21 is in clearance fit with the LED6, so that the colloid 2 is prevented from shielding the LED 6.
Because the whole-page FPC4 adopts a double-row arrangement mode, the colloid 2 is in double-row arrangement, and one colloid 2 in each row is provided with a positioning hole 22 for matching with the whole-page FPC4 for positioning.
Furthermore, the positioning holes 22 are formed on the first glue bodies 2 in each row.
In the invention, the FPC double faced adhesive tape adopts a full-page structure, and the colloid 2 between the white protective film 3 and the black protective film 1 corresponds to the FPC5 in the full-page FPC4 one by one, so that the double faced adhesive tape on the FPC5 is convenient to attach, a mode of attaching one by one in the prior art is replaced, the release force of the black protective film 1 is lighter than that of the white protective film 3, and the colloid 2 cannot be taken away when the black protective film 1 is torn off during attaching. And the design of the hollow hole is convenient for being matched with the LED6 to prevent the LED6 from being shielded. In addition, the positioning holes 22 are designed to facilitate positioning and matching between the FPC double-sided adhesive and the full-page type FPC 4.
In addition, a use method of the full page FPC double faced adhesive tape is also provided, which comprises the following steps:
s1: the full-page FPC4 is flatly placed on a workbench, and the FPC5 on the full-page FPC cannot wrinkle or warp;
s2: tearing off the black surface protective film 1 of the whole-format FPC double faced adhesive tape;
s3: positioning the positioning hole 22 on the whole-format FPC double-sided adhesive tape and the positioning point on the whole-format FPC 5;
s4: the LEDs 6 completely enter the hollowed holes 21 of the FPC double-sided adhesive tape one by one;
s5: the FPC double-sided adhesive tape is completely attached to the FPC5 and extruded, so that all the FPC double-sided adhesive tape is closely attached to the FPC 5;
s6: the white surface protection film 3 is torn off.
In the invention, the FPC double faced adhesive tape adopts a full-page structure, and the colloid 2 between the white protective film 3 and the black protective film 1 corresponds to the FPC5 in the full-page FPC4 one by one, so that the FPC5 double faced adhesive tape is convenient to attach, a mode of attaching one by one in the prior art is replaced, the release force of the black protective film 1 is lighter than that of the white protective film 3, and the colloid 2 cannot be taken away when the black protective film 1 is torn off during attaching. And the design of the hollow hole is convenient for being matched with the LED6 to prevent the LED6 from being shielded. In addition, the positioning holes 22 are designed to facilitate positioning and matching between the FPC double-sided adhesive and the full-page type FPC 4.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (2)
1. The full-page FPC double faced adhesive tape is characterized in that the structure of the full-page FPC double faced adhesive tape is matched with a full-page FPC structure, and the full-page FPC double faced adhesive tape comprises a black-face protective film, a colloid and a white-face protective film, wherein a plurality of colloids are arranged between the black-face protective film and the white-face protective film, the quantity of the colloids is matched with the quantity of the FPCs in the full-page FPC and corresponds to the quantity of the FPCs in the full-page FPC one by one, and the release force of the black-face protective film is smaller;
a plurality of hollowed holes are arranged on the colloid, and the hollowed holes correspond to the LEDs on the FPC one by one;
the hollow holes are in clearance fit with the LEDs;
the glue bodies are arranged in double rows, and one glue body in each row is provided with a positioning hole for being matched with the FPC in the whole format;
the positioning holes are formed in the first glue body in each row.
2. The method for using the full page FPC double sided tape according to claim 1, comprising the steps of:
s1: flatly placing the whole-format FPC on an operation table;
s2: tearing off a black surface protective film of the whole-format FPC double-sided adhesive tape;
s3: positioning a positioning hole on the full-page FPC double faced adhesive tape and a positioning point on the full-page FPC;
s4: enabling the LEDs to completely enter the hollowed holes of the FPC double-sided adhesive one by one;
s5: the FPC double-sided adhesive tape is completely pasted on the FPC and extruded, so that all the FPC double-sided adhesive tape is tightly attached to the FPC;
s6: and tearing off the white surface protective film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711475880.8A CN108456492B (en) | 2017-12-29 | 2017-12-29 | Full-page FPC double faced adhesive tape and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711475880.8A CN108456492B (en) | 2017-12-29 | 2017-12-29 | Full-page FPC double faced adhesive tape and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN108456492A CN108456492A (en) | 2018-08-28 |
| CN108456492B true CN108456492B (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711475880.8A Active CN108456492B (en) | 2017-12-29 | 2017-12-29 | Full-page FPC double faced adhesive tape and use method thereof |
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| Country | Link |
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| CN (1) | CN108456492B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111037649A (en) * | 2019-12-12 | 2020-04-21 | 郑州领胜科技有限公司 | Hot melt adhesive full-page number supplementing process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002146310A (en) * | 2000-08-07 | 2002-05-22 | Toray Ind Inc | Adhesive composition for semiconductor device and cover lay film, adhesive sheet and flexible printed circuit board using the same |
| CN104781359A (en) * | 2012-11-22 | 2015-07-15 | 三菱树脂株式会社 | Substrate-less double-sided adhesive sheet |
| CN105898988A (en) * | 2016-06-01 | 2016-08-24 | 深圳市汇晨电子股份有限公司 | Backlight FPC (Flexible Printed Circuit board) full page adhesive film and overall rubberizing process thereof |
-
2017
- 2017-12-29 CN CN201711475880.8A patent/CN108456492B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002146310A (en) * | 2000-08-07 | 2002-05-22 | Toray Ind Inc | Adhesive composition for semiconductor device and cover lay film, adhesive sheet and flexible printed circuit board using the same |
| CN104781359A (en) * | 2012-11-22 | 2015-07-15 | 三菱树脂株式会社 | Substrate-less double-sided adhesive sheet |
| CN105898988A (en) * | 2016-06-01 | 2016-08-24 | 深圳市汇晨电子股份有限公司 | Backlight FPC (Flexible Printed Circuit board) full page adhesive film and overall rubberizing process thereof |
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| Publication number | Publication date |
|---|---|
| CN108456492A (en) | 2018-08-28 |
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