CN103813615A - Flexible circuit board composition and electronic device having same - Google Patents
Flexible circuit board composition and electronic device having same Download PDFInfo
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- CN103813615A CN103813615A CN201210445648.0A CN201210445648A CN103813615A CN 103813615 A CN103813615 A CN 103813615A CN 201210445648 A CN201210445648 A CN 201210445648A CN 103813615 A CN103813615 A CN 103813615A
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- circuit board
- flexible circuit
- stiffener
- adhesive
- district
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Abstract
The invention discloses a flexible circuit board composition comprising a flexible circuit board and a reinforcing piece; a glue zone and a non-glue zone are defined on the reinforcing piece; the non-glue zone is positioned on a free end of the reinforcing piece and adjacent to the glue zone; the reinforcing piece arranges the glue zone to be attached on one end of the flexible circuit board, and the non-glue zone is matched with a bending portion of the flexible circuit board; therefore, the flexible circuit board is bended to under the reinforcing piece, so when shaking happens either in an assembling process or the electronic device is used or conveyed, stress can be always applied on the reinforcing piece.
Description
Technical field
The present invention relates to a kind of flexible circuit board structure, particularly relate to a kind of adhesive-free area that utilizes stiffener and make flexible circuit board after bending, be positioned at the flexible circuit board structure below stiffener and there is the electronic installation of this flexible circuit board structure.
Background technology
Flexible circuit board can be applicable to electronic installation miscellaneous, and its main cause is the characteristic that it has deflection, therefore at electronic installation under the design of compact and multi-functional trend, flexible circuit board will be an indispensable primary clustering.Generally speaking,, when flexible circuit board is arranged in electronic installation (especially thinned electronic), flexible circuit board can be bent to be connected with the electronic building brick in electronic installation mostly.In the process of assembling, the cabling that is positioned at the bending place of flexible circuit board easily affects because the compressing of assembler is subject to effect of stress, thereby has the problem of broken string to occur.In addition, when electronic installation is using or rock while transporting, the cabling of the bending place of flexible circuit board is also likely because the collision of housing is subject to effect of stress, thereby has the problem generation of broken string.
Summary of the invention
Technical problem to be solved by this invention is: in order to make up the deficiencies in the prior art, provide a kind of adhesive-free area that utilizes stiffener make flexible circuit board after bending, be positioned at the flexible circuit board structure below stiffener and there is the electronic installation of this flexible circuit board structure, to address the above problem.
Flexible circuit board structure of the present invention is by the following technical solutions:
Described flexible circuit board structure comprises flexible circuit board and stiffener.On stiffener, define You Jiao district and adhesive-free area, adhesive-free area is positioned at Qie Yuyoujiao district adjacency on the free end of stiffener, and stiffener Yi Youjiao district is attached at one end of flexible circuit board, and the bending place of the corresponding flexible circuit board in adhesive-free area.
Described free end comprises at least one protuberance and at least one depressed part, and described adhesive-free area is positioned on described at least one protuberance, described at least one depressed part and described at least one protuberance adjacency.
Described flexible circuit board has at least one cabling district, and described at least one cabling district is corresponding in the position of described bending place and the position of described at least one depressed part.
Electronic installation of the present invention is by the following technical solutions:
Described electronic installation comprises housing, electronic building brick, connector and flexible circuit board structure.Electronic building brick is arranged in described housing.Connector is arranged in described housing.Flexible circuit board structure is arranged in described housing.Described flexible circuit board structure comprises flexible circuit board and stiffener.Flexible circuit board has first end and the second end, and described first end is arranged in described connector, and described the second end is connected in described electronic building brick.On stiffener, define You Jiao district and adhesive-free area, described adhesive-free area be positioned on the free end of described stiffener and with described You Jiao district adjacency, described stiffener is attached at the described first end of described flexible circuit board with described You Jiao district, the bending place of the corresponding described flexible circuit board in described adhesive-free area.
Described free end comprises at least one protuberance and at least one depressed part, described adhesive-free area is positioned on described at least one protuberance, described at least one depressed part and described at least one protuberance adjacency, described at least one protuberance to the vertical range of the bottom surface of described housing is greater than the vertical range of described bending place to the described bottom surface of described housing.
Described flexible circuit board has at least one cabling district, and described at least one cabling district is corresponding in the position of described bending place and the position of described at least one depressed part.
Therefore, according to technique scheme, flexible circuit board structure of the present invention and the electronic installation with this flexible circuit board structure at least have following advantages and beneficial effect: stiffener Shi Yiyoujiao of the present invention district is attached at one end of flexible circuit board, and the adhesive-free area on the free end of stiffener and the bending place of flexible circuit board there is no fixed relationship, and therefore flexible circuit board can be positioned at below stiffener after bending.In addition, on stiffener, be formed with the depressed part corresponding with cabling district on the bending place of flexible circuit board.Therefore; no matter to rock in use or while transporting in the process of assembling or when electronic installation; stress all can act on stiffener, and cabling district can not be subject to effect of stress impact in depressed part, thereby reaches the object of the cabling of the bending place of protection flexible circuit board.
Accompanying drawing explanation
Fig. 1 is the outside drawing of the electronic installation of invention one embodiment.
Fig. 2 is housing in Fig. 1 interior views after electronic installation removes.
Fig. 3 is the outside drawing of the flexible circuit board structure in Fig. 2.
Fig. 4 is electronic installation in Fig. 1 profile along X-X line.
Fig. 5 is the outside drawing of the flexible circuit board structure of another embodiment of the present invention.
Fig. 6 is the outside drawing of the flexible circuit board structure of another embodiment of the present invention.
Wherein, description of reference numerals is as follows:
1 electronic installation 10 housings
12 electronic building brick 14 connectors
16,16', 16 " flexible circuit board structure 18 main circuit boards
100 bottom surfaces 160,160', 160'' flexible circuit board
162,162', stiffener 1600 first ends
162''
1602 second end 1604 cabling districts
1606 1620 You Jiao districts, bending places
1622 adhesive-free area 1623 free ends
1624 protuberance 1625 end faces
1626 fall into the D1 of portion, D2 vertical range
A arrow X-X hatching
Embodiment
Please refer to Fig. 1 to Fig. 4, Fig. 1 is the outside drawing of the electronic installation 1 of one embodiment of the invention, Fig. 2 is housing 10 in Fig. 1 interior views after electronic installation 1 removes, and Fig. 3 is the outside drawing of the flexible circuit board structure 16 in Fig. 2, and Fig. 4 is electronic installation 1 in Fig. 1 profile along X-X line.As shown in Figures 1 to 4, electronic installation 1 comprises housing 10, electronic building brick 12, connector 14, flexible circuit board structure 16 and main circuit board 18.In practical application, electronic installation 1 can be device for vehicular electronic, mobile phone, personal digital assistant, panel computer or other electronic installation, electronic building brick 12 can be display floater, contact panel or other electronic building brick, and main circuit board 18 can be printed circuit board (PCB).Electronic building brick 12, connector 14, flexible circuit board structure 16 are all arranged in housing 10 with main circuit board 18.
Generally speaking, the software and hardware assembly of necessity also can be provided with running in electronic installation 1 time, as CPU (central processing unit, CPU), internal memory (memory), storage device (storage device), power supply unit, operating system etc., depending on practical application.The function of said modules, for those skilled in the art can reach easily and be used, repeats no longer in detail at this.
As shown in Figure 3, flexible circuit board structure 16 comprises flexible circuit board 160 and stiffener 162.In practical application, flexible circuit board 160 can be flexible printed wiring board (flexible printed circuitboard).Flexible circuit board 160 has first end 1600, the second end 1602 and cabling district 1604.On stiffener 162, define You Jiao district 1620 and adhesive-free area 1622, wherein adhesive-free area 1622 is positioned at Qie Yuyoujiao district 1620 adjacency on the free end 1623 of stiffener 162.The free end 1623 of stiffener 162 comprises two protuberances 1624 and depressed part 1626, and wherein two protuberances 1624 are positioned at two sides of stiffener 162, and depressed part 1626 is between two protuberances 1624.In other words, protuberance 1624 adjacency of depressed part 1626 and two sides.In the present embodiment, adhesive-free area 1622 is positioned on two protuberances 1624 of free end 1623 of stiffener 162.
When assembling, first in stiffener 162You Jiao district 1620, be coated with viscose, Zai Yiyoujiao district 1620 is attached at the first end 1600 of flexible circuit board 160.Then, the stiffener 162 of pasting is together arranged in connector 14 with the first end 1600 of flexible circuit board 160, and the relative first end 1600 of the second end 1602 of flexible circuit board 160 is bent, so that the second end 1602 is connected in electronic building brick 12.As shown in Figure 3, the bending place 1606 of the corresponding flexible circuit board 160 in adhesive-free area 1622, and cabling district 1604 is corresponding with the position of depressed part 1626 in the position of bending place 1606.It should be noted that, there is no any viscose of coating on adhesive-free area 1622, therefore, before flexible circuit board 160 bendings, adhesive-free area 1622 there is no fixed relationship with the bending place 1606 of flexible circuit board 160.
As shown in Figure 4, after electronic installation 1 has been assembled, the end face 1625 of the protuberance 1624 of stiffener 162 is greater than the bending place 1606 of flexible circuit board 160 to the vertical range D2 of the bottom surface 100 of housing 10 to the vertical range D1 of the bottom surface 100 of housing 10.In other words, flexible circuit board 160 can be positioned at below the end face 1625 of protuberance 1624 of stiffener 162 after bending.Therefore,, if having stress in the time that the direction of arrow A puts on housing 10, the protuberance 1624 of stiffener 162 can reach protection object to the cabling district 1604 of flexible circuit board 160.In addition; owing to being formed with the depressed part 1626 corresponding with cabling district 1604 on the bending place 1606 of flexible circuit board 160 on stiffener 162; therefore in the process of assembling; cabling district 1604 can not be subject to effect of stress impact and (that is to say in depressed part 1626; depressed part 1626 can provide the pliability of bending place 1606 compressive deformations), thus reach the object of cabling of the bending place 1606 of protection flexible circuit board 160.
Please refer to Fig. 5, Fig. 5 is the outside drawing of the flexible circuit board structure 16' of another embodiment of the present invention.As shown in Figure 5, the main difference part of flexible circuit board structure 16' and above-mentioned flexible circuit board structure 16 is, the flexible circuit board 160' of flexible circuit board structure 16' has two cabling districts 1604, and the free end 1623 of the stiffener 162' of flexible circuit board structure 16' comprises protuberance 1624 and two depressed parts 1626, wherein two depressed parts 1626 are positioned at two sides of the free end 1623 of stiffener 162', and protuberance 1624 is between two depressed parts 1626.In other words, the depressed part 1626 of two sides respectively with protuberance 1624 adjacency.In the present embodiment, adhesive-free area 1622 is positioned on the protuberance 1624 of free end 1623 of stiffener 162'.In addition, the cabling district 1604 of two sides of flexible circuit board 160' is corresponding with the position of the depressed part 1626 of two sides of stiffener 162' respectively in the position of bending place 1606.
It should be noted that, in Fig. 5, with the assembly of same numeral shown in Fig. 3, its action principle is roughly the same, does not repeat them here.After the flexible circuit board structure 16 in Fig. 2 and Fig. 4 is replaced with the flexible circuit board structure 16' in Fig. 5, flexible circuit board structure 16' also can reach effect identical with flexible circuit board structure 16, and related description is described above, does not repeat them here.
Please refer to Fig. 6, Fig. 6 is the flexible circuit board structure 16 of another embodiment of the present invention " outside drawing.As shown in Figure 6, flexible circuit board structure 16 " be with the main difference part of above-mentioned flexible circuit board structure 16; flexible circuit board structure 16 " flexible circuit board 160 " has two cabling districts 1604; and the free end 1623 of flexible circuit board structure 16 " stiffener 162 " comprises three protuberances 1624 and two depressed parts 1626, wherein each depressed part 1626 lays respectively between two depressed parts 1626.In other words, three protuberances 1624 and two depressed parts 1626 adjacency respectively.In the present embodiment, adhesive-free area 1622 is positioned at stiffener 162 " three protuberances 1624 of free end 1623 on.In addition, flexible circuit board 160 " two cabling districts 1604 in the position of bending place 1606 respectively with stiffener 162 " the position of two depressed parts 1626 corresponding.
It should be noted that, in Fig. 6, with the assembly of same numeral shown in Fig. 3, its action principle is roughly the same, does not repeat them here.When the flexible circuit board structure 16 in Fig. 2 and Fig. 4 is with the flexible circuit board structure 16 in Fig. 6, " after replacing, " also can reach effect identical with flexible circuit board structure 16, related description is described above, does not repeat them here for flexible circuit board structure 16.
Therefore, according to technique scheme, flexible circuit board structure of the present invention and the electronic installation with this flexible circuit board structure at least have following advantages and beneficial effect: stiffener Yi Youjiao of the present invention district is attached at one end of flexible circuit board, and the adhesive-free area on the free end of stiffener and the bending place of flexible circuit board there is no fixed relationship, and therefore flexible circuit board can be positioned at below stiffener after bending.In addition, on the free end of stiffener, be formed with the depressed part corresponding with cabling district on the bending place of flexible circuit board.Therefore; no matter to rock in use or while transporting in the process of assembling or when electronic installation; stress all can act on stiffener, and cabling district can not be subject to effect of stress impact in depressed part, thereby reaches the object of the cabling of the bending place of protection flexible circuit board.Moreover above-mentioned protuberance and depressed part are formed directly on stiffener, can not increase extra manufacturing cost.It should be noted that the visual practical application of the protuberance on the free end of stiffener and the quantity of depressed part and position and designing, as long as the position of depressed part and the cabling district of flexible circuit board are corresponding just passable in the position of bending place, is not limited with the above embodiments.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a flexible circuit board structure, is characterized in that, described flexible circuit board structure comprises:
Flexible circuit board; And
Stiffener, definition You Jiao district and adhesive-free area on it, described adhesive-free area be positioned on the free end of described stiffener and with described You Jiao district adjacency, described stiffener is attached at one end of described flexible circuit board with described You Jiao district, the bending place of the corresponding described flexible circuit board in described adhesive-free area.
2. flexible circuit board structure as claimed in claim 1, it is characterized in that, described free end comprises at least one protuberance and at least one depressed part, and described adhesive-free area is positioned on described at least one protuberance, described at least one depressed part and described at least one protuberance adjacency.
3. flexible circuit board structure as claimed in claim 2, is characterized in that, described flexible circuit board has at least one cabling district, and described at least one cabling district is corresponding in the position of described bending place and the position of described at least one depressed part.
4. an electronic installation, is characterized in that, described electronic installation comprises:
Housing;
Electronic building brick, is arranged in described housing;
Connector, is arranged in described housing; And
Flexible circuit board structure, is arranged in described housing, and described flexible circuit board structure comprises:
Flexible circuit board, has first end and the second end, and described first end is arranged in described connector, and described the second end is connected in described electronic building brick; And
Stiffener, definition You Jiao district and adhesive-free area on it, described adhesive-free area be positioned on the free end of described stiffener and with described You Jiao district adjacency, described stiffener is attached at the described first end of described flexible circuit board with described You Jiao district, the bending place of the corresponding described flexible circuit board in described adhesive-free area.
5. electronic installation as claimed in claim 4, it is characterized in that, described free end comprises at least one protuberance and at least one depressed part, described adhesive-free area is positioned on described at least one protuberance, described at least one depressed part and described at least one protuberance adjacency, described at least one protuberance to the vertical range of the bottom surface of described housing is greater than the vertical range of described bending place to the described bottom surface of described housing.
6. electronic installation as claimed in claim 5, is characterized in that, described flexible circuit board has at least one cabling district, and described at least one cabling district is corresponding in the position of described bending place and the position of described at least one depressed part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210445648.0A CN103813615A (en) | 2012-11-09 | 2012-11-09 | Flexible circuit board composition and electronic device having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210445648.0A CN103813615A (en) | 2012-11-09 | 2012-11-09 | Flexible circuit board composition and electronic device having same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103813615A true CN103813615A (en) | 2014-05-21 |
Family
ID=50709656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210445648.0A Pending CN103813615A (en) | 2012-11-09 | 2012-11-09 | Flexible circuit board composition and electronic device having same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103813615A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62102586A (en) * | 1985-10-29 | 1987-05-13 | 日本メクトロン株式会社 | Reinforcing structure of flexible circuit substrate |
| JPH0888448A (en) * | 1994-09-16 | 1996-04-02 | Fuji Photo Optical Co Ltd | Flexible printed circuit board |
| JP2006019315A (en) * | 2004-06-30 | 2006-01-19 | Sumitomo Electric Ind Ltd | Structure for mounting flexible printed circuit board and optical module |
| CN101160695A (en) * | 2005-04-14 | 2008-04-09 | 大宏电机株式会社 | Reinforcing plate for flexible base plate, and flexible base plate structure |
| CN201585196U (en) * | 2009-07-11 | 2010-09-15 | 天马微电子股份有限公司 | Flexible PCB and connection structure employing same |
-
2012
- 2012-11-09 CN CN201210445648.0A patent/CN103813615A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62102586A (en) * | 1985-10-29 | 1987-05-13 | 日本メクトロン株式会社 | Reinforcing structure of flexible circuit substrate |
| JPH0888448A (en) * | 1994-09-16 | 1996-04-02 | Fuji Photo Optical Co Ltd | Flexible printed circuit board |
| JP2006019315A (en) * | 2004-06-30 | 2006-01-19 | Sumitomo Electric Ind Ltd | Structure for mounting flexible printed circuit board and optical module |
| CN101160695A (en) * | 2005-04-14 | 2008-04-09 | 大宏电机株式会社 | Reinforcing plate for flexible base plate, and flexible base plate structure |
| CN201585196U (en) * | 2009-07-11 | 2010-09-15 | 天马微电子股份有限公司 | Flexible PCB and connection structure employing same |
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| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140521 |
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| WD01 | Invention patent application deemed withdrawn after publication |