CN105578743B - Flexible circuit board, circuit board assemblies and mobile terminal - Google Patents

Flexible circuit board, circuit board assemblies and mobile terminal Download PDF

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Publication number
CN105578743B
CN105578743B CN201511026733.3A CN201511026733A CN105578743B CN 105578743 B CN105578743 B CN 105578743B CN 201511026733 A CN201511026733 A CN 201511026733A CN 105578743 B CN105578743 B CN 105578743B
Authority
CN
China
Prior art keywords
circuit board
pad
length
flexible circuit
welding zone
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
Application number
CN201511026733.3A
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Chinese (zh)
Other versions
CN105578743A (en
Inventor
曾元清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN201811384739.1A priority Critical patent/CN109327958B/en
Priority to CN201511026733.3A priority patent/CN105578743B/en
Publication of CN105578743A publication Critical patent/CN105578743A/en
Application granted granted Critical
Publication of CN105578743B publication Critical patent/CN105578743B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/11Printed elements for providing electric connections to or between printed circuits
    • H05K1/118Printed elements for providing electric connections to or between printed circuits specially for flexible printed circuits, e.g. using folded portions
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09Shape and layout
    • H05K2201/09209Shape and layout details of conductors
    • H05K2201/09372Pads and lands
    • H05K2201/094Array of pads or lands differing from one another, e.g. in size, pitch, thickness; Using different connections on the pads

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Structure Of Printed Boards (AREA)
  • Combinations Of Printed Boards (AREA)

Abstract

The present invention provides a kind of flexible circuit board, including the first surface and second surface being oppositely arranged, the first surface is equipped with the first welding zone, first welding zone includes multiple first pads, the second surface is equipped with the second welding zone, second welding zone includes the second pad, and the multiple first pad is spaced apart from each other setting and length is arranged along vertical the multiple first length of bonding pad direction in staged, and the flexible circuit board is connect by first pad with the third pad on main circuit board.By the way that the length of multiple first pads installed on flexible circuit board, connect with main circuit board is arranged to the method arranged along vertical the multiple first length of bonding pad direction in staged in the present invention, it can be in order to identifying the first pad connecting on flexible circuit board with main circuit board, with the phenomenon for preventing flexible circuit board anti-loaded, reach the technical effect of the yield and welding efficiency that improve welding.

Description

Flexible circuit board, circuit board assemblies and mobile terminal
Technical field
The present invention relates to a kind of circuit board technology field more particularly to a kind of flexible circuit boards, the matched master used The circuit board assemblies and mobile terminal that circuit board is formed.
Background technique
The arriving of digital Age, so that the mankind are growing day by day to the dependence of electronic product.And in order in response to electronics now Product high speed, high-effect and light and short requirement, flexible circuit board (the Flexible Printed with flexural property Circuit;FPC), largely apply in various electronic devices, such as: all kinds of escopes, notebook computer, mobile electricity Words, digital camera, personal digital assistant (PDA), printer and CD-ROM drive etc..
In the prior art, the two sides of some flexible circuit boards is both provided with golden finger pad, what the pad on two sides to be connected Element is different.When flexible circuit board is welded on main circuit board, need to connect the pad on corresponding pad and main circuit board It connects, since there is pad on flexible circuit board two sides, is welded on when flexible circuit board is welded on main circuit board and is easy anti-loaded, make At the semiotic function mistake of entire circuit, normal work cannot achieve.It needs to repeat to weld, so not only allows and take manpower object Power, while welding repeatedly also be easy to cause the Pad off of FPC Pad off or main circuit board, causes to scrap.
Summary of the invention
The purpose of the present invention is to provide the flexible circuits that one kind quickly can correctly be connect with the pad on main circuit board Plate.
Another object of the present invention is to provide a kind of circuit board assemblies including above-mentioned flexible circuit board.
Another object of the present invention is to provide a kind of mobile terminals including foregoing circuit board group part.
To achieve the goals above, embodiment of the present invention provides the following technical solutions:
The present invention provides a kind of flexible circuit board, wherein including the first surface and second surface being oppositely arranged, described One surface is equipped with the first welding zone, and first welding zone includes multiple first pads, and the second surface is equipped with the second welding zone, institute Stating the second welding zone includes the second pad, and the multiple first pad is spaced apart from each other setting and length is along vertical the multiple first weldering Disk length direction is arranged in staged, and the flexible circuit board is connected by the third pad on first pad and main circuit board It connects.
Wherein, the multiple first length of bonding pad becomes along vertical the multiple first length of bonding pad direction in increasing or decreasing Change.
Wherein, the multiple first length of bonding pad is presented from the centre of first welding zone to the two sides of first welding zone Increase or successively decrease variation.
Wherein, the flexible circuit board is additionally provided with the first registration holes, the first contraposition hole location and first welding zone Side, for being aligned with main circuit board.
The present invention also provides a kind of circuit board assemblies, wherein including flexible circuit board described in above-mentioned any one and master Circuit board, the main circuit board include quantity third pad identical with first number of pads, multiple third pads Length arrange along vertical third length of bonding pad direction in staged and length variation tendency and the multiple first pad Length variation tendency is on the contrary, the third pad is used to connect with first pad.
Wherein, the multiple third length of bonding pad is along vertical the multiple third length of bonding pad direction increasing or decreasing.
Wherein, the multiple third length of bonding pad successively decreases or is incremented by from centre to two sides.
Wherein, the multiple third pad is equipped with corresponding with first registration holes on the flexible circuit board Second registration holes.
Wherein, the main circuit board is FPC or PCB.
The present invention also provides a kind of mobile terminals, including circuit board assemblies described in above-mentioned any one.
The embodiment of the present invention have the following advantages that or the utility model has the advantages that
It is arranged in the present invention by the way that the length for multiple first pads connecting on flexible circuit board, with main circuit board will be installed At the method for along vertical the multiple first length of bonding pad direction being in staged arrangement, can in order to identify on flexible circuit board with First pad of main circuit board connection reaches the yield for improving welding and welding is imitated with the phenomenon for preventing flexible circuit board anti-loaded The technical effect of rate.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is first embodiment of the invention flexible circuit board structure schematic diagram;
Fig. 2 is that have flexible circuit board side view described in Fig. 1;
Fig. 3 is main circuit board structural schematic diagram corresponding with Fig. 1;
Fig. 4 is second embodiment of the invention flexible circuit board structure schematic diagram;
Fig. 5 is main circuit board structural schematic diagram corresponding with Fig. 4.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1 and Fig. 2 are please referred to, flexible circuit board 100 includes first surface 11 and the in one embodiment of the invention Two surfaces 12, first surface 11 and second surface 12 are oppositely arranged.The first surface 11 is equipped with the first welding zone 110 (in Fig. 1 The region that dotted line surrounds), first welding zone 110 is equipped with multiple first pads 13, and the second surface 12 is equipped with the second weldering Area (not shown go out), second welding zone include the second pad 14, and second pad 14 is described for connecting with other elements The setting of multiple intervals of first pad 13, and the length of the multiple first pad 13 is along vertical the multiple first pad, 13 length It arranges in staged in direction (direction A in Fig. 1).Specifically, as shown in Figure 1, the length of the multiple first pad 13 is along vertical The multiple first pad, 13 length direction successively decreases from left to right.It will be apparent that in other embodiments, the multiple first The length of pad 13 can also be incremented by from left to right along vertical the multiple first pad, 13 length direction.In other words, described The length of multiple first pads 13 is along vertical the multiple first length of bonding pad direction increasing or decreasing.The flexible circuit board 100 are connect by first pad 13 with the third pad 21 on main circuit board 200.
Referring to Fig. 3, corresponding main circuit board 200 includes multiple third pads 21 in one embodiment of the invention, The quantity of the third pad 21 is identical as the quantity of first pad 13, and the multiple 21 length of third pad is along vertical institute Multiple third length of bonding pad direction (direction B in Fig. 3) is stated to arrange in staged.Specifically, as shown in figure 3, the multiple third The length of pad 21 is incremented by from left to right along vertical the multiple 21 length direction of third pad.It will be apparent that when described more When the length of a first pad 13 can also be incremented by from left to right along vertical the multiple first pad, 13 length direction, accordingly , the length of the multiple third pad 21 should successively decrease from left to right along vertical the multiple 21 length direction of third pad.It changes For it, the length variation tendency of the multiple third pad 21 is opposite with the length variation tendency of first pad 13.Or Person can form complementary when saying first pad 13 with the connection of third pad 21.The main circuit board 200 passes through the third Pad 21 is connect with the first pad 13 on the flexible circuit board 100.In other words by the flexible circuit board 100 with it is described Main circuit board 200 is welded together, and just forms the circuit board assemblies of one embodiment of the invention.
In the present embodiment, by multiple first pads 13 that will be connect on flexible circuit board 100, with main circuit board 200 Length be arranged to be in along vertical the multiple first pad, 13 length direction staged arrangement method, can be soft in order to identify The first pad 13 connecting on property circuit board 100 with main circuit board 200 is reached with preventing flexible circuit board from filling 100 anti-phenomenons Improve the yield of welding and the technical effect of welding efficiency.
Meanwhile the present invention also provides a kind of circuit board assemblies using above-mentioned flexible circuit board 100.The circuit board assemblies It further include the main circuit board 200 being used cooperatively with above-mentioned flexible circuit board 100, flexible circuit board 100 and main circuit board 200 are common Form circuit board assemblies.The length of multiple third pads 21 on main circuit board 200 is along the vertical 21 length side of third pad To in staged arrangement and length variation tendency be in 13 length variation tendency of the first pad on the contrary, making the flexible circuit board Longest first pad 13 is connect with third pad 21 shortest on main circuit board 200 on 100, and so on, the first pad 13 Complementation can be formed with third pad 21, effectively reduces the material of third pad 21, reaching reduces circuit board assemblies production cost Technical effect.
Further, the first registration holes 15 are additionally provided with please continue to refer to Fig. 1, on the flexible circuit board 100, described first Registration holes 15 are set on the side of first welding zone 110.Referring to Fig. 3, the main circuit board 200 is equipped with and described first Corresponding second registration holes 22 of registration holes 15.It is aligned by first registration holes 15 with second registration holes 22, it can be with First pad 13 is aligned with the third pad 21 rapidly, convenient for welding, deviation when preventing from welding.Meanwhile passing through institute The first registration holes 15 and the alignment of corresponding second registration holes 22 are stated, the first pad 13 and the second pad can also be accurately distinguished 14, avoid flexible circuit board 100 anti-loaded when being welded on main circuit board 200.
Referring to Fig. 4, Fig. 4 is the flexible circuit board 300 of second embodiment of the invention, on the first surface 11 The length of the multiple first pad 33 is in staged along vertical the multiple first pad, 33 length direction (direction A in Fig. 4) Arrangement.The distinctive points of second embodiment and one embodiment are that the length of the multiple first pad 33 is by described Successively decrease among one welding zone 110 to two sides.It will be apparent that in other embodiments, the length of the multiple first pad 33 It can be from being incremented by among first welding zone 110 to two sides.In other words, the length of the multiple first pad 33 can be along vertical Straight the multiple first length of bonding pad direction is incremented by or successively decreases from centre to two sides.The flexible circuit board 300 passes through described First pad 33 is connect with the third pad 41 on main circuit board 400.
Referring to Fig. 5, corresponding main circuit board 400 includes multiple third pads 41 in second embodiment of the invention, The quantity of the third pad 41 is identical as the quantity of first pad 33, and the multiple 41 length of third pad is along vertical institute Multiple 41 length directions of third pad (direction B in Fig. 5) are stated to arrange in staged.Specifically, as shown in figure 5, the multiple The length of three pads 41 is successively decreased along vertical the multiple 41 length direction of third pad from centre to two sides.It will be apparent that working as When the length of the multiple first pad 33 is successively decreased along vertical the multiple first pad, 33 length direction from centre to two sides, phase The length for the multiple third pad 41 answered should be passed along vertical the multiple 41 length direction of third pad from centre to two sides Increase.In other words, the length variation tendency phase of the length variation tendency of the multiple third pad 41 and first pad 33 Instead.It can be formed when that is, first pad 33 is with the connection of third pad 41 complementary.The main circuit board 400 passes through The third pad 41 is connect with the first pad 33 on the flexible circuit board 300.In other words by the flexible circuit board 300 are welded together with the main circuit board 400, just form the circuit board assemblies of one embodiment of the invention.
In the present embodiment, by connect on flexible circuit board 300 will be arranged in, with main circuit board 400 multiple first The length of pad 33 be arranged to be in along vertical the multiple first pad, 33 length direction staged arrangement method, can be in order to The first pad 33 being connect on identification flexible circuit board 300 with main circuit board 400, to prevent flexible circuit board 300 is anti-loaded from showing As reaching the technical effect of the yield and welding efficiency that improve welding.
Meanwhile the present invention also provides a kind of circuit board assemblies using above-mentioned flexible circuit board 300.The circuit board assemblies It further include the main circuit board 400 being used cooperatively with flexible circuit board 300, flexible circuit board 300 and main circuit board 400 are collectively formed Circuit board assemblies.Vertically 41 length direction of third pad is on the length edge of multiple third pads 41 on main circuit board 400 Staged arrangement and length variation tendency are in 31 length variation tendency of the first pad on the contrary, making first pad 33 and the Three pads 41 can form complementation when connecting, and effectively reduce the material of third pad, reach the technical effect for reducing production cost.
Further, the first registration holes 15 are additionally provided with please continue to refer to Fig. 3, on the flexible circuit board 300, described first Registration holes 15 are set on the side of the multiple first pad 33.Referring to Fig. 4, the main circuit board 400 be equipped with it is described Corresponding second registration holes 42 of first registration holes 35.It is aligned by first registration holes 35 with second registration holes 12, First pad 33 can be aligned with the third pad 21 rapidly, convenient for welding, deviation when preventing from welding.Meanwhile it is logical First registration holes 15 and the alignment of corresponding second registration holes 42 are crossed, the first pad and the second weldering can also be accurately distinguished Disk avoids flexible circuit board 100 anti-loaded when being welded on main circuit board 200.
Further, main circuit board of the present invention can be for flexible circuit board (Flexible Printed Circuit;FPC) either circuit board (Printed Circuit Board;PCB).
The present invention also provides a kind of mobile terminal using foregoing circuit board group part, the mobile terminal can be mobile phone, Tablet computer, television set, display, laptop, Digital Frame, navigator etc..
Embodiments described above does not constitute the restriction to the technical solution protection scope.It is any in above-mentioned implementation Made modifications, equivalent substitutions and improvements etc., should be included in the protection model of the technical solution within the spirit and principle of mode Within enclosing.

Claims (9)

1. a kind of circuit board assemblies, which is characterized in that including main circuit board and flexible circuit board, wherein the flexible circuit board, Including the first surface and second surface being oppositely arranged, the first surface is equipped with the first welding zone, and first welding zone includes Multiple first pads, the second surface are equipped with the second welding zone, and second welding zone includes the second pad, the multiple first weldering Disk is spaced apart from each other setting and length is arranged along vertical the multiple first length of bonding pad direction in staged, the flexible circuit board It is connect by first pad with the third pad on main circuit board;
The main circuit board includes quantity third pad identical with first number of pads, the length of multiple third pads Degree is along vertical third length of bonding pad direction in staged arrangement and length variation tendency and the multiple first length of bonding pad Variation tendency is on the contrary, the third pad is used to connect with first pad.
2. circuit board assemblies as described in claim 1, which is characterized in that the multiple third length of bonding pad is along vertical described more A third length of bonding pad direction increasing or decreasing.
3. circuit board assemblies as described in claim 1, which is characterized in that the multiple third length of bonding pad is from centre to two sides Successively decrease or is incremented by.
4. circuit board assemblies as claimed in claim 2, which is characterized in that
The flexible circuit board is additionally provided with the first registration holes, and the side of the first contraposition hole location and first welding zone is used for It is aligned with main circuit board, the multiple third pad is equipped with corresponding with first registration holes on the flexible circuit board The second registration holes.
5. circuit board assemblies as claimed in claim 3, which is characterized in that
The flexible circuit board is additionally provided with the first registration holes, and the side of the first contraposition hole location and first welding zone is used for It is aligned with main circuit board, the multiple third pad is equipped with corresponding with first registration holes on the flexible circuit board The second registration holes.
6. circuit board assemblies as described in claim 1, which is characterized in that the main circuit board is FPC or PCB.
7. the circuit board assemblies as described in claim 1 to 6 any one, which is characterized in that the flexible circuit board it is described Multiple first length of bonding pad change along vertical the multiple first length of bonding pad direction in increasing or decreasing.
8. the circuit board assemblies as described in claim 1 to 6 any one, which is characterized in that the flexible circuit board it is described Multiple first length of bonding pad change from the centre of first welding zone to the two sides of first welding zone in increasing or decreasing.
9. a kind of mobile terminal, which is characterized in that including circuit board assemblies described in claim 1-8 any one.
CN201511026733.3A 2015-12-29 2015-12-29 Flexible circuit board, circuit board assemblies and mobile terminal Expired - Fee Related CN105578743B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811384739.1A CN109327958B (en) 2015-12-29 2015-12-29 Flexible circuit board, circuit board assembly and mobile terminal
CN201511026733.3A CN105578743B (en) 2015-12-29 2015-12-29 Flexible circuit board, circuit board assemblies and mobile terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201511026733.3A CN105578743B (en) 2015-12-29 2015-12-29 Flexible circuit board, circuit board assemblies and mobile terminal

Related Child Applications (1)

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CN105578743A CN105578743A (en) 2016-05-11
CN105578743B true CN105578743B (en) 2018-12-11

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Families Citing this family (8)

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Publication number Priority date Publication date Assignee Title
CN109327958B (en) * 2015-12-29 2021-03-12 Oppo广东移动通信有限公司 Flexible circuit board, circuit board assembly and mobile terminal
CN105911767A (en) * 2016-06-16 2016-08-31 武汉华星光电技术有限公司 LCD display module, master control circuit board thereof and backlight bar welding disc
CN108306351B (en) * 2017-11-28 2022-05-31 海信视像科技股份有限公司 Charging device and electronic mobile terminal
CN108012455B (en) * 2017-12-29 2019-07-19 Oppo广东移动通信有限公司 Reflow soldering apparatus for electronic equipment
CN108258464B (en) * 2018-01-12 2020-02-14 武汉光迅科技股份有限公司 Soft band power supply device and power supply method for high-speed device
CN109511065A (en) * 2019-01-05 2019-03-22 深圳市韶音科技有限公司 Battery component and osteoacusis loudspeaker arrangement
CN110933837B (en) * 2019-11-28 2021-05-14 武汉天马微电子有限公司 Flexible circuit board, manufacturing method thereof and display module comprising flexible circuit board
CN111965521B (en) * 2020-08-11 2022-08-05 广东利扬芯片测试股份有限公司 Anti-reverse-insertion structure of test board for radio frequency chip and radio frequency chip testing device

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CN109327958A (en) 2019-02-12
CN109327958B (en) 2021-03-12
CN105578743A (en) 2016-05-11

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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18

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