CN204810675U - Liquid crystal display is with preventing FPC structure of splitting - Google Patents
Liquid crystal display is with preventing FPC structure of splitting Download PDFInfo
- Publication number
- CN204810675U CN204810675U CN201520498408.6U CN201520498408U CN204810675U CN 204810675 U CN204810675 U CN 204810675U CN 201520498408 U CN201520498408 U CN 201520498408U CN 204810675 U CN204810675 U CN 204810675U
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- Prior art keywords
- pad
- land
- electric lead
- fracture
- fpc
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- Expired - Fee Related
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Abstract
The utility model provides a liquid crystal display is with preventing FPC structure of splitting, it is main including flexible line way board, including the base plate on the board of flexible line way, be equipped with the pad on the base plate, still be equipped with the circuit region on the board of flexible line way, be equipped with the multichannel electrical lead in the circuit region, multichannel electrical lead and pad welded connection, each way electrical lead is formed by two parallelly connected circuits in the multichannel electrical lead, electrical lead in the circuit region is buckled and is added copper along an interior angle and prevent tearing the line, the both ends of pad adopt PI to cover the film pressure firmly, the utility model discloses simple structure can effectively prevent to tear to shreds among the operation process FPC, can also effectively prevent the pad fracture simultaneously, guarantees SMT welding function stability, and the practicality is strong.
Description
Technical field:
The utility model relates to LCDs wiring board art, particularly relates to the anti-fracture FPC structure of a kind of LCDs.
Background technology:
FPC is a kind of flexible printed circuit with height reliability made for base material with polyimides or polyester film, FPC has the advantages that distribution density is high, lightweight, thickness is thin, is mainly used in a lot of product such as mobile phone, notebook computer, PDA, digital camera, LCM.FPC flexible printed circuit has following characteristics: 1, can free bend, folding, winding, arbitrarily can to move and flexible at three dimensions.2, perfect heat-dissipating, can utilize F-PC reduced volume.3, realize lightweight, miniaturization, slimming, thus reach component arrangement and wire connecting integration.In process of production, cause to prevent out short circuit too much that yield FPC that is too low or that reduce the technological problemses such as boring, calendering, cutting and cause scraps, the problem of feed supplement, and assess the flexible circuit board how selection can reach the optimum efficiency of client's use.Antenatal preliminary treatment seems and is even more important, antenatal preliminary treatment, and to be processedly need have three aspects, these three aspects are all completed by engineer.
On existing market, LCDs adopts the FPC way of output, most products is because a slight FPC fracture, circuit disconnects, cause whole electronic product can not continue again to use, directly have influence on the useful life of electronic product, add very large cost pressure to the exploitation of product and operation, add the development cost of product greatly.
Utility model content:
In order to solve the problem, it is simple that the utility model provides a kind of structure, can effectively prevent from tearing FPC to shreds in operating process, can also effectively prevent pad from rupturing simultaneously, ensures that SMT welds functional stabilization, practical technical scheme:
The anti-fracture FPC structure of a kind of LCDs, mainly comprise flexible circuit board, flexible circuit board comprises substrate, substrate is provided with pad, and flexible circuit board is also provided with land, is provided with Multi-path electricity wire in land, Multi-path electricity wire is connected with pad solder, in Multi-path electricity wire, each road electric lead is by two circuit compositions in parallel, and the electric lead bending place in land adds along interior angle that copper is anti-tears line, and the two ends of pad adopt PI coverlay to push down.
As preferably, copper is anti-, and to tear wire shaped be arc, and corresponding with the interior angle of the electric lead bending place in land, the radius that copper prevents tearing line is 3mm-5mm.
As preferably, pad via hole place is provided with tear.
As preferably, pad and electric lead junction are by the transition of R angle.
As preferably, be provided with sulculus between the electric lead in substrate and land, sulculus groove end is arranged anti-ly tears hole.
As preferably, copper prevents that the interior angular distance of the electric lead bending place of tearing in line and land is 0.1mm-0.2mm, and the width that copper prevents tearing line is 0.2mm-0.3mm.
The beneficial effects of the utility model are:
(1) the electric lead bending place of the utility model in land adds along interior angle that copper is anti-tears line, can effectively prevent from tearing FPC to shreds in product operation process.
(2) the utility model increases tear design at the via hole place of pad, effectively can ensure FPC via hole functional stabilization.
(3) between the electric lead of the utility model in substrate and land, sulculus groove end arranges and anti-tears hole, can prevent FPC from being torn to shreds in operation.
(4) the utility model pad and electric lead junction are by the transition of R angle, can prevent pad in operation stress concentrate and cause pad to rupture.
Accompanying drawing illustrates:
Fig. 1 is Integral connection structure figure of the present utility model;
Fig. 2 is pad connection diagram of the present utility model;
Fig. 3 is that pad of the present utility model connects another schematic diagram.
Embodiment:
For making goal of the invention of the present utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, execution mode of the present utility model is described in further detail.
As Figure 1-3, the anti-fracture FPC structure of a kind of LCDs, mainly comprise flexible circuit board 1, flexible circuit board 1 comprises substrate 2, substrate 2 is provided with pad 3, flexible circuit board 1 is also provided with land 4, Multi-path electricity wire 5 is provided with in land 4, Multi-path electricity wire 5 and pad 3 are welded to connect, in Multi-path electricity wire 5, each road electric lead is by two circuit compositions in parallel, electric lead bending place in land 4 adds copper along interior angle and prevents tearing line 6, and the two ends of pad 3 adopt PI coverlay 7 to push down.Copper prevents that tearing line 6 shape is arc, and corresponding with the interior angle of the electric lead bending place in land 4, the radius that copper prevents tearing line 6 is 3mm-5mm.Copper prevents that tearing line 6 with the interior angular distance of the electric lead bending place in land 4 is 0.1mm-0.2mm, and the width that copper prevents tearing line 6 is 0.2mm-0.3mm.When FPC bends, copper is prevented tearing the Resisting fractre intensity that line 6 improves FPC, thus avoiding the fracture that FPC causes by bending place, the electric lead bending place of the utility model in land adds along interior angle that copper is anti-tears line, can effectively prevent from tearing FPC to shreds in product operation process.
Pad 3 via hole place is provided with tear 31.The utility model increases tear design at the via hole place of pad, effectively can ensure FPC via hole functional stabilization.
Pad 3 and electric lead junction are by R angle 32 transition, the structure at R angle 32 replaces arc chord angle of the prior art, reduce the stress of corner, FPC can be prevented to be torn, the utility model pad and electric lead junction by the transition of R angle, can prevent pad in operation stress concentrate and cause pad to rupture.
Be provided with sulculus 21 between electric lead in substrate 2 and land 4, sulculus 21 groove end is arranged anti-ly tears hole 22.Between the electric lead of the utility model in substrate and land, sulculus groove end arranges and prevents tearing hole, can prevent FPC from being torn to shreds in operation.
Above-described embodiment is preferred embodiment of the present utility model; it is not the restriction to technical solutions of the utility model; as long as without the technical scheme that creative work can realize on the basis of above-described embodiment, all should be considered as falling within the scope of the rights protection of the utility model patent.
Claims (6)
1. the anti-fracture FPC structure of LCDs, mainly comprise flexible circuit board (1), it is characterized in that: described flexible circuit board (1) comprises substrate (2), described substrate (2) is provided with pad (3), described flexible circuit board (1) is also provided with land (4), Multi-path electricity wire (5) is provided with in described land (4), described Multi-path electricity wire (5) and described pad (3) are welded to connect, in described Multi-path electricity wire (5), each road electric lead is by two circuit compositions in parallel, electric lead bending place in described land (4) adds copper along interior angle and prevents tearing line (6), the two ends of described pad (3) adopt PI coverlay (7) to push down.
2. the anti-fracture FPC structure of a kind of LCDs according to claim 1, it is characterized in that: described copper prevents that tearing line (6) shape is arc, corresponding with the interior angle of the electric lead bending place in land (4), the anti-radius tearing line (6) of described copper is 3mm-5mm.
3. the anti-fracture FPC structure of a kind of LCDs according to claim 1, is characterized in that: described pad (3) via hole place is provided with tear (31).
4. the anti-fracture FPC structure of a kind of LCDs according to claim 1, is characterized in that: described pad (3) and electric lead junction are by R angle (32) transition.
5. the anti-fracture FPC structure of a kind of LCDs according to claim 1, it is characterized in that: be provided with sulculus (21) between the electric lead in described substrate (2) and described land (4), described sulculus (21) groove end is arranged anti-ly tears hole (22).
6. the anti-fracture FPC structure of a kind of LCDs according to claim 1, it is characterized in that: the interior angular distance of the anti-electric lead bending place of tearing in line (6) and land (4) of described copper is 0.1mm-0.2mm, and the anti-width tearing line (6) of described copper is 0.2mm-0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520498408.6U CN204810675U (en) | 2015-07-13 | 2015-07-13 | Liquid crystal display is with preventing FPC structure of splitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520498408.6U CN204810675U (en) | 2015-07-13 | 2015-07-13 | Liquid crystal display is with preventing FPC structure of splitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204810675U true CN204810675U (en) | 2015-11-25 |
Family
ID=54595417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520498408.6U Expired - Fee Related CN204810675U (en) | 2015-07-13 | 2015-07-13 | Liquid crystal display is with preventing FPC structure of splitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204810675U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105517329A (en) * | 2015-12-29 | 2016-04-20 | 广东欧珀移动通信有限公司 | Flexible printed circuit and mobile terminal using same |
| CN105578721A (en) * | 2015-12-29 | 2016-05-11 | 广东欧珀移动通信有限公司 | Flexible circuit board and mobile terminal |
| CN110831320A (en) * | 2019-10-23 | 2020-02-21 | 百富计算机技术（深圳）有限公司 | Flexible tear-proof circuit board |
| TWI754340B (en) * | 2019-12-12 | 2022-02-01 | 友達光電股份有限公司 | Chip |
| CN110831320B (en) * | 2019-10-23 | 2024-05-14 | 百富计算机技术（深圳）有限公司 | Flexible tear-proof circuit board |
-
2015
- 2015-07-13 CN CN201520498408.6U patent/CN204810675U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105517329A (en) * | 2015-12-29 | 2016-04-20 | 广东欧珀移动通信有限公司 | Flexible printed circuit and mobile terminal using same |
| CN105578721A (en) * | 2015-12-29 | 2016-05-11 | 广东欧珀移动通信有限公司 | Flexible circuit board and mobile terminal |
| CN110831320A (en) * | 2019-10-23 | 2020-02-21 | 百富计算机技术（深圳）有限公司 | Flexible tear-proof circuit board |
| CN110831320B (en) * | 2019-10-23 | 2024-05-14 | 百富计算机技术（深圳）有限公司 | Flexible tear-proof circuit board |
| TWI754340B (en) * | 2019-12-12 | 2022-02-01 | 友達光電股份有限公司 | Chip |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20160713 |