CN202009534U - Reinforced structure for preventing break of flexible circuit board - Google Patents
Reinforced structure for preventing break of flexible circuit board Download PDFInfo
- Publication number
- CN202009534U CN202009534U CN2011200183856U CN201120018385U CN202009534U CN 202009534 U CN202009534 U CN 202009534U CN 2011200183856 U CN2011200183856 U CN 2011200183856U CN 201120018385 U CN201120018385 U CN 201120018385U CN 202009534 U CN202009534 U CN 202009534U
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- CN
- China
- Prior art keywords
- circuit board
- flexible circuit
- protective layer
- printed substrate
- reinforcement
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a circuit board reinforced structure of electronic products, particularly to a reinforced structure for preventing break of a flexible circuit board. The reinforced structure can avoid the damage of the flexible circuit board caused by bending in assembly. The reinforced structure is applicable to various machine types, the flexible circuit boards of which need to be bended in assembly, such as a laptop. The reinforced structure for preventing break of the flexible circuit board comprises a reinforced protective layer (6), wherein part of the reinforced protective layer (6) is jointed to a printed circuit board (2), and part is jointed to a flexible circuit board (3) connected with the printed circuit board (2). By adding a reinforced protective layer (6) on the flexible circuit board (3), the reinforced structure prevents that a copper conductive wire in the flexible circuit board (3) is damaged due to local excessive bending. Under the protection of the reinforced protective layer (6), even if the copper conductive wire in the flexible circuit board (3) is bended with large curvature, the reinforced structure can avoid crease caused by excessive bending. Thus, conductive performance of the copper conductive wire is guaranteed, and further display quality is guaranteed.
Description
Technical field
The utility model relates to the wiring board reinforcement of electronic product, especially the anti-reinforcement of losing of a kind of flexible circuit board, when can avoiding assembling, this reinforcement bends excessive the damage because of flexible circuit board, the utility model is applicable to the various types that need bend flexible circuit board when assembling, for example notebook computer.
Background technology
At present, notebook computer (notebook) is used in backlight (B/L) back side that the printed substrate (PCB) that drives LCD is installed in LCDs usually, the same flexible circuit board of this printed substrate (PCB) (FPC), chip (IC), electronic devices and components such as liquid crystal panel, common combination are together.As Fig. 1; when assembling printed substrate 2; need this printed substrate 2 is carried out the upset of wide-angle; so that it snaps in the trip 4 that backlight 1 back side is used for fixing printed substrate 2; in upset printed substrate 2; because the length restriction of flexible circuit board 3; printed substrate 2 and the backlight 1 mutual gesture that forms clamping; make the flexible circuit board 3 that is connected with printed substrate 2 be subjected to bending in printed substrate 2 and backlight 1 clamping place; again because the quality of flexible circuit board 3 outer field polyimides (Polyimide) protective layers own is crisp hard; staying folding line 5 after the bending is difficult to restore; the copper conducting wire (golden finger 8) that causes the quality softness of polyimides protective layer 7 inside is impaired at the folding line place; and then cause the product display abnormality, occur as square; go out the bad defectives of machine performance such as picture.
If remove the trip 4 at backlight 1 back side, will make printed substrate 2 can't stablize and rock, how under the prerequisite of not removing trip 4, avoid flexible circuit board 3 to become a difficult problem of being badly in need of solution because of bending excessive the damage.
Summary of the invention
The technical problems to be solved in the utility model is the copper conducting wire in the protection flexible circuit board when in assembling, provides a kind of not because of the anti-reinforcement of losing of the impaired flexible circuit board of wide-angle bending.
The technical solution of the utility model is:
A kind of flexible circuit board is anti-loses reinforcement, and it comprises the enhancing protective layer, and a described enhancing protective layer part is fitted on the printed substrate, on the flexible circuit board that a part is fitted in printed substrate is connected.
Described enhancing protective layer is a sheet.
The width of described enhancing protective layer is not less than 1/2 of a plurality of occupied width in conducting wire on the flexible circuit board; The width that strengthens protective layer is not more than the flexible circuit board width.
The material of described enhancing protective layer is harder than the material of flexible circuit board at least.
Described enhancing protective layer is provided with adhered layer.
Described enhancing protective layer is arranged on the back side of printed substrate and flexible circuit board, and described enhancing protective layer and this flexible circuit board lay respectively at the both sides of this printed substrate.
Described printed substrate can be fastened in the trip on the backlight.Described enhancing protective layer covers on the conducting wire of flexible circuit board upper left side edge or right side edge at least.
The best sticking position of described enhancing protective layer is for to cover on the conducting wire of flexible circuit board upper left side edge and right side edge simultaneously.
1/4～3/4 of described enhancing protective layer length attaches and is on the flexible circuit board, or 1/4～3/4 attaching that strengthens protective layer length is on the printed substrate.
The best sticking position of described enhancing protective layer is attached on the flexible circuit board for 1/2 of its length, strengthen protective layer length 1/2 on printed substrate.
The beneficial effects of the utility model are:
Flexible circuit board of the present utility model is anti-to be lost reinforcement and strengthens protective layer and prevent that the copper conducting wire in the flexible circuit board from can not damage because of the local excessive bending by increasing on flexible circuit board; copper conducting wire in the flexible circuit board is under the effect that strengthens protective layer; even the bending than deep camber takes place; also can avoid the bending of wide-angle to cause folding line; guarantee the good of copper conducting wire electric conductivity, guarantee display quality.
Description of drawings
Fig. 1 is the structural representation of printed substrate when installing with backlight in the background technology.
Fig. 2 is a structural representation of the present utility model.
Fig. 3 adopts the partial structurtes schematic diagram of printed substrate of the present utility model when installing with backlight.
Among the figure: 1, backlight, 2, printed substrate, 3, flexible circuit board, 4, trip, 5, folding line, 6, strengthen protective layer, 60, fillet, 7, the polyimides protective layer, 8, golden finger.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
As Fig. 2, Fig. 3, the anti-reinforcement of losing of a kind of flexible circuit board, it comprises enhancing protective layer 6, and described enhancing protective layer 6 parts are fitted on the printed substrate 2, and a part is fitted on the flexible circuit board 3 that is connected with printed substrate 2.
The width that strengthens protective layer 6 is not less than 1/2 of a plurality of occupied width in conducting wire on the flexible circuit board 3; The width that strengthens protective layer 6 is not more than flexible circuit board 3 width that are connected with printed substrate 2.
At most can be the same wide with flexible circuit board 3, minimum be on the flexible circuit board 3 a plurality of occupied width in conducting wire 1/2, desired width is the occupied width in a plurality of conducting wires on the flexible circuit board 3
The material that strengthens protective layer 6 is harder than the material of flexible circuit board 3 at least.Strengthen protective layer 6 and can be thin slice, also can be similar protective layer such as hard adhesive tape.
Strengthen protective layer 6 and be provided with adhered layer.Promptly strengthening protective layer 6 can be by adhered layer gum and printed substrate 2 and flexible circuit board 3 stickup.Strengthen protective layer 6 and stick on simultaneously on printed substrate 2 and the flexible circuit board 3, further strengthen the bend resistance ability.
Strengthen protective layer 6 and be arranged on the back side of printed substrate 2 and flexible circuit board 3, and strengthen the both sides that protective layer 6 and flexible circuit board 3 lay respectively at printed substrate 2.
Printed substrate 2 is fastened in the trip 4 on the backlight 1.
The material that strengthens protective layer 6 can be plastics, polyimides, acrylic, resin, glass fibre etc., to guarantee that enhancing protective layer 6 has certain degree of hardness, intensity and anti-bending performance and is advisable.
Strengthen the position (directions X) that protective layer 6 attaches, need cover at least on the conducting wire of flexible circuit board 3 upper left side edges or right side edge.
Strengthen protective layer 6 best sticking positions for to cover on the conducting wire of flexible circuit board 3 upper left side edges and right side edge simultaneously.
Strengthen the position (Y direction) that protective layer 6 is attached, can be 1/4～3/4 attaching that strengthens protective layer 6 length and be on the flexible circuit board 3, or 1/4～3/4 attaching that strengthens protective layer 6 length is on the printed substrate 2.
Strengthen protective layer 6 best sticking positions and be attached on the flexible circuit board 3 for 1/2 of its length, strengthen protective layer 6 length 1/2 on printed substrate 2.
As Fig. 3, the polyimides protective layer 7 of flexible circuit board 3 and golden finger 8 even bending than deep camber takes place, can avoid also that the bending of wide-angle causes folding line 5 among Fig. 1 under the effect that strengthens protective layer 6, guarantee the good of golden finger 8 electric conductivities.
Strengthen the stress that is produced when protective layer 6 can disperse flexible circuit board 3 bendings, after attaching enhancing protective layer 6, stress point is concentrated the golden finger seam crossing during by bending, is distributed on the whole enhancing protective layer 6.
Embodiment recited above is described preferred implementation of the present utility model; be not that design of the present utility model and scope are limited; do not breaking away under the utility model design concept prerequisite; common engineers and technicians make the technical solution of the utility model in this area various modification and improvement; all should fall into protection range of the present utility model, the technology contents that the utility model is asked for protection all is documented in claims.
Claims (10)
1. a flexible circuit board prevents losing reinforcement, and its feature comprises enhancing protective layer (6), and described enhancing protective layer (a 6) part is fitted on the printed substrate (2), and a part is fitted on the flexible circuit board (3) that is connected with this printed substrate (2).
2. flexible circuit board according to claim 1 is anti-loses reinforcement, it is characterized in that described enhancing protective layer (6) is sheet.
3. flexible circuit board according to claim 1 is anti-loses reinforcement, it is characterized in that the width of described enhancing protective layer (6) is not less than 1/2 of the upward set occupied width in conducting wire of this flexible circuit board (3); And the width of this enhancing protective layer (6) is not more than this flexible circuit board (3) width.
4. flexible circuit board according to claim 1 is anti-loses reinforcement, it is characterized in that the material of described enhancing protective layer (6) is harder than the material hardness of this flexible circuit board (3) at least.
5. flexible circuit board according to claim 1 is anti-loses reinforcement, it is characterized in that described enhancing protective layer (6) is provided with adhered layer.
6. the anti-reinforcement of losing of flexible circuit board according to claim 1; it is characterized in that described enhancing protective layer (6) is arranged on the back side of printed substrate (2) and flexible circuit board (3), and described enhancing protective layer (6) and this flexible circuit board (3) lay respectively at the both sides of this printed substrate (2).
7. flexible circuit board according to claim 1 is anti-loses reinforcement, it is characterized in that described printed substrate (2) is fastened in the trip (4) on the backlight (1).
8. the anti-reinforcement of losing of flexible circuit board according to claim 1; it is characterized in that described enhancing protective layer (6) covers on the conducting wire of last its left side edge of this flexible circuit board (3) or right side edge at least, perhaps described enhancing protective layer (6) covers on the conducting wire of this flexible circuit board (3) upper left side edge and right side edge simultaneously.
9. the anti-reinforcement of losing of flexible circuit board according to claim 1; 1/4～3/4 attaching that it is characterized in that described enhancing protective layer (6) length is on the flexible circuit board (3), or 1/4～3/4 attaching that strengthens protective layer (6) length is on the printed substrate (2).
10. the anti-reinforcement of losing of flexible circuit board according to claim 9; it is characterized in that 1/2 of this enhancing protective layer (6) length is attached on this flexible circuit board (3), and 1/2 being attached on this printed substrate (2) of this enhancing protective layer (6) length.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200183856U CN202009534U (en) | 2011-01-20 | 2011-01-20 | Reinforced structure for preventing break of flexible circuit board |
| TW101201647U TWM435132U (en) | 2011-01-20 | 2012-01-20 | Reinforced structure of flexible circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200183856U CN202009534U (en) | 2011-01-20 | 2011-01-20 | Reinforced structure for preventing break of flexible circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202009534U true CN202009534U (en) | 2011-10-12 |
Family
ID=44751186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200183856U Expired - Fee Related CN202009534U (en) | 2011-01-20 | 2011-01-20 | Reinforced structure for preventing break of flexible circuit board |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202009534U (en) |
| TW (1) | TWM435132U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105163481A (en) * | 2015-08-31 | 2015-12-16 | 广东欧珀移动通信有限公司 | Printed circuit board |
| CN105163482A (en) * | 2015-08-31 | 2015-12-16 | 广东欧珀移动通信有限公司 | Printed circuit board |
| CN107170384A (en) * | 2017-04-17 | 2017-09-15 | 广东欧珀移动通信有限公司 | Display module and terminal device |
| CN107390924A (en) * | 2017-07-13 | 2017-11-24 | 深圳市志凌伟业技术股份有限公司 | One kind reinforces touch panel component |
| CN108628406A (en) * | 2013-08-26 | 2018-10-09 | 三星电子株式会社 | Foldable electronic device including flexible display element |
-
2011
- 2011-01-20 CN CN2011200183856U patent/CN202009534U/en not_active Expired - Fee Related
-
2012
- 2012-01-20 TW TW101201647U patent/TWM435132U/en not_active IP Right Cessation
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108628406A (en) * | 2013-08-26 | 2018-10-09 | 三星电子株式会社 | Foldable electronic device including flexible display element |
| US11048302B2 (en) | 2013-08-26 | 2021-06-29 | Samsung Electronics Co., Ltd. | Foldable electronic device including flexible display element |
| CN108628406B (en) * | 2013-08-26 | 2021-09-03 | 三星电子株式会社 | Foldable electronic device comprising a flexible display element |
| US11726528B2 (en) | 2013-08-26 | 2023-08-15 | Samsung Electronics Co., Ltd. | Foldable electronic device including flexible display element |
| CN105163481A (en) * | 2015-08-31 | 2015-12-16 | 广东欧珀移动通信有限公司 | Printed circuit board |
| CN105163482A (en) * | 2015-08-31 | 2015-12-16 | 广东欧珀移动通信有限公司 | Printed circuit board |
| CN105163482B (en) * | 2015-08-31 | 2017-11-07 | 广东欧珀移动通信有限公司 | A kind of printed circuit board (PCB) |
| CN107170384A (en) * | 2017-04-17 | 2017-09-15 | 广东欧珀移动通信有限公司 | Display module and terminal device |
| CN107390924A (en) * | 2017-07-13 | 2017-11-24 | 深圳市志凌伟业技术股份有限公司 | One kind reinforces touch panel component |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM435132U (en) | 2012-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111012 Termination date: 20160120 |
|
| EXPY | Termination of patent right or utility model |