CN207911124U - A kind of flexible printed circuit board - Google Patents
A kind of flexible printed circuit board Download PDFInfo
- Publication number
- CN207911124U CN207911124U CN201820133044.5U CN201820133044U CN207911124U CN 207911124 U CN207911124 U CN 207911124U CN 201820133044 U CN201820133044 U CN 201820133044U CN 207911124 U CN207911124 U CN 207911124U
- Authority
- CN
- China
- Prior art keywords
- printed circuit
- circuit board
- flexible printed
- strengthening course
- substrate
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- 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
- 238000005728 strengthening Methods 0.000 claims abstract description 47
- 239000000758 substrate Substances 0.000 claims abstract description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000011889 copper foil Substances 0.000 claims abstract description 7
- 239000004642 Polyimide Substances 0.000 claims description 6
- 229920001721 polyimide Polymers 0.000 claims description 6
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 4
- 239000004695 Polyether sulfone Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 4
- 229920006393 polyether sulfone Polymers 0.000 claims description 4
- 229920002530 polyetherether ketone Polymers 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims 1
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
Landscapes
- Structure Of Printed Boards (AREA)
Abstract
The utility model discloses a kind of flexible printed circuit board, including flexible base board, the flexible base board includes the ink layer, copper foil layer and substrate set gradually from bottom to up；It is pasted with strengthening course in the substrate；The strengthening course is provided with engraved structure.The engraved structure that strengthening course is dug described in a kind of embodiment is made of multiple round hollow outs.The engraved structure of the setting of strengthening course described in another embodiment is made of multiple zigzag hollow outs.The utility model attaches strengthening course in the substrate of existing flexible printed circuit board, engraved structure is set on strengthening course simultaneously, it solves flexible printed circuit board different location in stress and will produce mutual extruding, it is merged together when stress can not be offset and leads to the problem of injured, power is disperseed in hollow out position, plays the purpose for preventing injured.
Description
Technical field
The utility model is related to liquid crystal display die set field more particularly to a kind of flexible printed circuit boards.
Background technology
With the development of science and technology, people are also increased therewith using the quantity of mobile phone, computer, camera, video camera, these electricity
Sub- product is also being continuously updated the replacement, and the demand of flexible circuit board also increases therewith.Above various electronic products are intended to use
Liquid crystal display, at present in liquid crystal display industry, used flexible printed circuit board (Flexible Printed
Circuit, FPC) need to press to the back side for being folded into glass substrate above glass substrate again later, and by liquid crystal display knot
Structure limits, and FPC needs the region bent reduced, and the stress of rebound just becomes larger, and be easy to cause pressing position injured, causes whole
A product function failure.
Fig. 1 a are existing flexible printed circuit board overlooking structure figures, and Fig. 1 b are existing flexible printed circuit board sectional views, figure
1c is structure chart after existing flexible printed circuit board injured.As shown in Fig. 1 a to Fig. 1 c, existing flexible printed circuit board includes soft
Property substrate 11 ', flexible base board 11 ' includes ink layer 112 ', copper foil layer 111 ' and substrate 110 ' successively from top to bottom, in stress
Different location can be squeezed mutually, and power can cause 13 ' position injured of center of effort along 12 ' stress of stress axis, ultimately cause FPC damages
It is bad.
Therefore, there is an urgent need for a kind of novel flexible printed circuit boards to solve the above problems.
Utility model content
Of the existing technology in order to solve the problems, such as, the utility model provides a kind of flexible printed circuit board, existing soft
Property printed circuit board substrate on attach strengthening course, while digging engraved structure on strengthening course, solve flexible printed circuit board and exist
Different location will produce mutual extruding when stress, is merged together when stress can not be offset and leads to the problem of injured, and power is being engraved
Empty position is disperseed, and the purpose for preventing injured is played.
For this purpose, the utility model uses following technical scheme：
According to the utility model embodiment, a kind of flexible printed circuit board, including flexible base board, the flexible base board are provided
Including the ink layer, copper foil layer and substrate set gradually from bottom to up；It is pasted with strengthening course in the substrate；The strengthening course is set
It is equipped with engraved structure.
Further, the engraved structure of the strengthening course setting is made of multiple round hollow outs.
Further, the engraved structure of the strengthening course setting is made of multiple zigzag hollow outs.
Further, the reinforcement layer thickness is 0.1mm-0.4mm.
Further, it is bonded using neoprene liquid between the strengthening course and the upper surface of substrate.
Further, the zigzag width is 0.2mm-0.4mm.
Further, the reinforcement layer material is one kind in polyimides, polyester, polyether sulfone, polyether-ether-ketone.
Further, the strengthening course length is identical with the base length.
Further, the strengthening course width is identical with the base widths.
The beneficial effects of the utility model are：
The utility model discloses a kind of flexible printed circuit board, including flexible base board, the flexible base board includes under
The supreme ink layer set gradually, copper foil layer and substrate；It is pasted with strengthening course in the substrate；The strengthening course is provided with hollow out
Structure.The engraved structure that strengthening course is dug described in a kind of embodiment is made of multiple round hollow outs.In another embodiment
The engraved structure that the strengthening course is dug is made of multiple zigzag hollow outs.The utility model is in existing flexible printed circuit board
Substrate on attach strengthening course, while being provided with engraved structure on strengthening course, solve flexible printed circuit board in stress not
Mutual extruding is will produce with position, is merged together when stress can not be offset and leads to the problem of injured, power is in hollow out position quilt
Dispersion, plays the purpose for preventing injured.
Description of the drawings
Fig. 1 a are existing flexible printed circuit board overlooking structure figures；
Fig. 1 b are existing flexible printed circuit board sectional views；
Fig. 1 c are structure charts after existing flexible printed circuit board injured；
Fig. 2 a are one flexible printed circuit board sectional views of the utility model embodiment；
Fig. 2 b＆2c are structure charts after one flexible printed circuit board injured of the utility model embodiment；
Fig. 3 a are two flexible printed circuit board sectional views of the utility model embodiment；
Fig. 3 b＆3c are structure charts after two flexible printed circuit board injured of the utility model embodiment；
In figure：11 ', flexible base board；110 ', substrate；111 ', copper foil layer；112 ', ink layer；12 ', stress axis；13 ', by
Power center；11, flexible base board；110, substrate；111, copper foil layer；112, ink layer；113, strengthening course；1131, round hollow out；
1332, zigzag hollow out；14, overbending direction；15, force dispersion direction.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, it illustrates only for ease of description, in attached drawing and the relevant part of the utility model rather than full content.
Embodiment one
Fig. 2 a are one flexible printed circuit board sectional views of the utility model embodiment, and Fig. 2 b＆2c are that the utility model is implemented
Structure chart after one flexible printed circuit board injured of example.As shown in Fig. 2 a~2c, according to the utility model embodiment, provide a kind of soft
Property printed circuit board, including flexible base board 11, the flexible base board 11 includes ink layer 112, the copper set gradually from bottom to up
Layers of foil 111 and substrate 110 are pasted with strengthening course 113 on the flexible base board 11, and the machinery for increasing flexible printed circuit board is strong
It spends, is bonded using neoprene liquid between 110 upper surface of the strengthening course 113 and the substrate.113 material of the strengthening course is
One kind in polyimides, polyester, polyether sulfone, polyether-ether-ketone, preferably polyimides.The strengthening course 113 and the flexibility
11 length of substrate is identical, and 12 width of the strengthening course and the flexible base board 11 are of same size, realizes that whole face covers substrate 110.
113 thickness of the strengthening course is 0.1mm~0.4mm, and the strengthening course 113 is provided with round hollow out 1131, can solve flexibility
Different location will produce mutual extruding when printed circuit board is bent along overbending direction 14, and circle is merged in when stress can not be offset
1131 position of shape hollow out, power are disperseed in 1131 position of round hollow out along Impact direction 15, and injured is prevented.
The utility model has the following advantages that：
The utility model attaches strengthening course in the substrate of existing flexible printed circuit board, while being provided on strengthening course
Engraved structure, engraved structure are made of multiple round hollow outs.When can solve flexible printed circuit board and being bent along overbending direction
Different location will produce mutual extruding, and round hollow out position is merged in when stress can not be offset, and power is suitable in round hollow out position
It Impact direction to be disperseed, plays the purpose for preventing injured.
Embodiment two
Fig. 3 a are two flexible printed circuit board sectional views of the utility model embodiment, and Fig. 3 b＆3c are that the utility model is implemented
Structure chart after two flexible printed circuit board injured of example.As shown in Fig. 3 a~3c, according to the utility model embodiment, provide a kind of soft
Property printed circuit board, including flexible base board 11, the flexible base board 11 includes ink layer 112, the copper set gradually from bottom to up
Layers of foil 111 and substrate 110 are pasted with strengthening course 113 on the flexible base board 11, and the machinery for increasing flexible printed circuit board is strong
It spends, is bonded using neoprene liquid between 110 upper surface of the strengthening course 113 and the substrate.113 material of the strengthening course is
One kind in polyimides, polyester, polyether sulfone, polyether-ether-ketone, preferably polyimides.The strengthening course 113 and the flexibility
11 length of substrate is identical, and 12 width of the strengthening course and the flexible base board 11 are of same size, realizes that whole face covers substrate 110.
113 thickness of the strengthening course is 0.1mm~0.4mm, and the strengthening course 113 is provided with zigzag hollow out 1132, can solve soft
Different location will produce mutual extruding when property printed circuit board is bent along overbending direction 14, be merged in when stress can not be offset
1131 position of round hollow out, power are disperseed in 1132 position of zigzag hollow out along Impact direction 15, and injured is prevented.
The utility model has the following advantages that：
The utility model attaches strengthening course in the substrate of existing flexible printed circuit board, while being provided on strengthening course
Engraved structure, engraved structure are made of multiple round hollow outs.When can solve flexible printed circuit board and being bent along overbending direction
Different location will produce mutual extruding, and round hollow out position is merged in when stress can not be offset, and power is suitable in round hollow out position
It Impact direction to be disperseed, plays the purpose for preventing injured.
The technical principle of the utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on the explanation herein,
Those skilled in the art would not require any inventive effort the other specific implementation modes that can associate the utility model,
These modes are fallen within the scope of protection of the utility model.
Claims (9)
1. a kind of flexible printed circuit board, including flexible base board, the flexible base board includes the ink set gradually from bottom to up
Layer, copper foil layer and substrate；It is characterized in that, being pasted with strengthening course in the substrate；The strengthening course is provided with engraved structure.
2. flexible printed circuit board according to claim 1, which is characterized in that the engraved structure of the strengthening course setting
It is made of multiple round hollow outs.
3. flexible printed circuit board according to claim 1, which is characterized in that the engraved structure of the strengthening course setting
It is made of multiple zigzag hollow outs.
4. flexible printed circuit board according to claim 1, which is characterized in that the reinforcement layer thickness is 0.1mm-0.4mm.
5. flexible printed circuit board according to claim 2, which is characterized in that the strengthening course and the upper surface of substrate it
Between using neoprene liquid be bonded.
6. flexible printed circuit board according to claim 3, which is characterized in that the zigzag hollow out width is 0.2mm-
0.4mm。
7. flexible printed circuit board according to claim 1, which is characterized in that the reinforcement layer material is polyimides, gathers
One kind in ester, polyether sulfone, polyether-ether-ketone.
8. flexible printed circuit board according to claim 1, which is characterized in that the strengthening course length and the base length
It is identical.
9. flexible printed circuit board according to claim 1, which is characterized in that the strengthening course width and the base widths
It is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820133044.5U CN207911124U (en) | 2018-01-25 | 2018-01-25 | A kind of flexible printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820133044.5U CN207911124U (en) | 2018-01-25 | 2018-01-25 | A kind of flexible printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207911124U true CN207911124U (en) | 2018-09-25 |
Family
ID=63565023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820133044.5U Active CN207911124U (en) | 2018-01-25 | 2018-01-25 | A kind of flexible printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207911124U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113711701A (en) * | 2019-04-24 | 2021-11-26 | Lg伊诺特有限公司 | Telescopic circuit substrate |
-
2018
- 2018-01-25 CN CN201820133044.5U patent/CN207911124U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113711701A (en) * | 2019-04-24 | 2021-11-26 | Lg伊诺特有限公司 | Telescopic circuit substrate |
| US11877393B2 (en) | 2019-04-24 | 2024-01-16 | Lg Innotek Co., Ltd. | Stretchable circuit substrate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215301 No. 1, Longteng Road, Kunshan Development Zone, Suzhou, Jiangsu Patentee after: InfoVision Optoelectronics(Kunshan)Co.,Ltd. Address before: 215301 No. 1, Longteng Road, Kunshan Development Zone, Suzhou, Jiangsu Patentee before: Infovision Optoelectronics (Kunshan) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |