CN106304630A - Flexible circuit board and display device - Google Patents
Flexible circuit board and display device Download PDFInfo
- Publication number
- CN106304630A CN106304630A CN201510312009.0A CN201510312009A CN106304630A CN 106304630 A CN106304630 A CN 106304630A CN 201510312009 A CN201510312009 A CN 201510312009A CN 106304630 A CN106304630 A CN 106304630A
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- China
- Prior art keywords
- welded gasket
- circuit board
- flexible circuit
- welding ends
- welded
- 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.)
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/118—Printed elements for providing electric connections to or between printed circuits specially for flexible printed circuits, e.g. using folded portions
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10128—Display
- H05K2201/10136—Liquid Crystal display [LCD]
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Combinations Of Printed Boards (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of flexible circuit board and be equiped with the display device of this flexible circuit board, flexible circuit board includes substrate, the first welded gasket and the second welded gasket.Substrate has relative first side and second side, and the end between first side and second side.First welded gasket and the second welded gasket are configured on substrate, and arrange along first side and second side.Due to flexible circuit board welded gasket along substrate side arrange, under the overall dimensions not affecting flexible circuit board, bonding area and the pad quantity of welded gasket can be effectively increased so that weld strength is substantially improved, thus avoid weld generation missing solder, come off, the problem such as fracture because of bending.
Description
Technical field
The present invention relates to a kind of flexible circuit board, particularly relate to a kind of have arrange extremely along substrate side
Lack the flexible circuit board of two welded gaskets and be equiped with the display device of this flexible circuit board.
Background technology
Owing to liquid crystal indicator has slimming, lightweight, low power consumption, radiationless pollution and can be with
The advantages such as manufacture of semiconductor technical compatibility, liquid crystal indicator has been widely used in electronics miscellaneous
In device, such as notebook computer, mobile phone, digital camera, personal digital assistant etc..Liquid crystal
Showing device is through on light emitting module offer light to display floater, to show picture.For existing liquid
For crystal device, the flexible circuit board of light emitting module need to be welded on the bendable wiring board of display floater
Upper unified outlet.
Refer to the part explosive view that Fig. 1 and Fig. 2, Fig. 1 are the display devices 1 of prior art, Fig. 2
It it is the constitutional diagram after the flexible circuit board 12 in Fig. 1 welds with bendable wiring board 16.As it is shown in figure 1,
Display device 1 includes light emitting module 10, flexible circuit board 12, display floater 14 and bendable circuit
Plate 16.One end of the flexible circuit board 12 of prior art is connected to light emitting module 10, and the other end has
It is positioned at the welded gasket 121,122 of two strips of centre.Additionally, one end of bendable wiring board 16
It is connected to display floater 14, and the other end also has the welding ends 161,162 of two strips.Such as Fig. 2
Shown in, the welding ends 161 of the welded gasket of flexible circuit board 12 121,122 and bendable wiring board 16,
After 162 welding, limited in space, weld only has a pad 130, due to bonding area
The least, weld usually can occur missing solder, come off, the problem such as fracture because of bending.
Summary of the invention
The technical problem to be solved is: in order to make up the deficiencies in the prior art, it is provided that a kind of soft
Property circuit board and display device, to solve the problems referred to above.
The flexible circuit board of the present invention is by the following technical solutions:
Described flexible circuit board includes substrate, the first welded gasket and the second welded gasket.Described substrate has phase
To first side and second side, and the end between described first side and described second side.
Described first welded gasket and described second welded gasket are configured on described substrate, and along described first side and
Described second side arranges.
The direction that described first welded gasket and described second welding are padded on vertical described end is staggered.
Described flexible circuit board includes wire, and described conductor configurations is on described substrate and along described first side
Limit extends, and described first welded gasket connects described wire, and described first welded gasket is to described end
Distance is less than the distance of described second welded gasket to described end.
The width of described first welded gasket and described second welded gasket is between 2 millimeters and 50 millimeters.
The shape of described first welded gasket and described second welded gasket is square, rectangle, circle, rhombus,
Hexagon or octagonal.
The display device of the present invention is by the following technical solutions:
Described display device includes light emitting module, foregoing flexible circuit board, display floater and can
Scratch formula wiring board.Described flexible circuit board is electrically connected at described light emitting module.Described bendable wiring board
It is electrically connected at described display floater, and includes the first welding ends and the second welding ends, described first welding
End and described second welding ends are electrically connected with in described first welded gasket and described second welded gasket.
Between described first welding ends and described first welded gasket and described second welding ends with described second weldering
It is to be electrically connected with by pad between connection pad.
Between described first welding ends and described first welded gasket and described second welding ends with described second weldering
It is electrically connected with by least two pads respectively between connection pad.
Between described first welding ends and described first welded gasket and described second welding ends with described second weldering
It is to be electrically connected with by anisotropic conductive film or anisotropic conductive between connection pad.
Described light emitting module is lamp bar.
Therefore, according to technique scheme, the flexible circuit board of the present invention and be equiped with this flexible circuit board
Display device at least there is following advantages and beneficial effect: owing to the welded gasket of flexible circuit board is along substrate
Side arrangement, under the overall dimensions not affecting flexible circuit board, the welding of welded gasket can be effectively increased
Area and pad quantity so that weld strength is substantially improved, thus avoid weld generation missing solder, take off
Fall, the problem such as fracture because of bending.
Accompanying drawing explanation
Fig. 1 is the part explosive view of the display device of prior art.
Fig. 2 is the constitutional diagram after the flexible circuit board in Fig. 1 welds with flexible circuit board.
Fig. 3 is the part explosive view of the display device of first embodiment of the invention.
Fig. 4 is the constitutional diagram after the flexible circuit board in Fig. 3 welds with bendable wiring board.
Wherein, description of reference numerals is as follows:
1,3 display device 10,30 light emitting module
12,32 flexible circuit board 14,34 display floater
16,36 bendable wiring board 121,122 welded gasket
130,330 pad 161,162 welding ends
301 carrier 30 as one kind 2 light sources
320 substrate 321 first welded gaskets
322 second welded gasket 323 wires
361 first welding ends 362 second welding ends
3201 second side, first sides 3202
3203 end D1 first directions
D2 second direction
Detailed description of the invention
Refer to Fig. 3 and Fig. 4, Fig. 3 is that the part of display device 3 of first embodiment of the invention is quick-fried
Fried figure, Fig. 4 is the constitutional diagram after the flexible circuit board 32 in Fig. 3 welds with bendable wiring board 36.
As it is shown on figure 3, display device 3 includes light emitting module 30, flexible circuit board 32, display floater
34 and bendable wiring board 36, wherein flexible circuit board 32 is electrically connected at light emitting module 30, and can
Scratch formula wiring board 36 and be electrically connected at display floater 34.Light emitting module 30 comprises carrier 30 as one kind 1 (such as, electricity
Road plate) and multiple light sources 302 (such as, light emitting diode) of being arranged on carrier 30 as one kind 1, on carrier 30 as one kind 1
There is a plurality of conducting wire (not shown) to be electrically connected with light source 302 and to be electrically connected with flexible circuit
Plate 32, display device 3 be through light emitting module 30 provide light to display floater 34, to show picture
Face.It is said that in general, display device 3 also includes housing (not shown), in order to accommodating light emitting module 30, soft
Property circuit board 32, display floater 34, bendable wiring board 36 and other running time necessity assembly, example
Such as power supply unit, communication module, touch-control module etc..
In actual applications, display device 3 can be computer screen, tablet PC, TV or its
Its electronic installation；Light emitting module 30 can be lamp bar (light bar) or other light source module；Display floater
34 can be with the display floater being display panels or other form.
In the present embodiment, flexible circuit board 32 include substrate 320, be formed on substrate 320 first
Welded gasket the 321, second welded gasket 322 and wire 323.Substrate 320 have relative first side 3201,
Second side 3202, and one end 3203, its medial end portions 3203 is positioned at first side 3201 and second
Between side 3202, and connect first side 3201 and second side 3202.Fig. 3 illustrates first party
To D1 and second direction D2, the wherein parallel first side of first direction D1 3201 and second side 3202,
Second direction D2 parallel ends 3203.It should be noted that, in the present embodiment, first side 3201 and
Second side 3202 is substantial parallel, and first side 3201 and end 3203, and second side 3202
With end 3203 substantial orthogonality, therefore first direction D1 and second direction D2 substantial orthogonality, but
Being not limited, its visual display device 3 assembles the first side of demand and designed, designed flexible circuit board 32
Angle between limit 3201 and end 3203 and the angle between second side 3202 and end 3203.The
One welded gasket 321 and the second welded gasket 322 are configured on substrate 320, and along the first side of substrate 320
Limit 3201 and second side 3202 arrange, and the first welded gasket 321 and the second welded gasket 322 are towards first
Direction D1 (in the present embodiment for the direction of vertical ends 3203) is staggered.First welded gasket 321
And second welded gasket 322 be respectively and electrically connected to negative pole and the positive pole of light emitting module 30, to be electrically connected to
The light source 302 of light emitting module 30.
Additionally, as it is shown on figure 3, flexible circuit board 32 includes the wire 323 extended along first side 3201,
And the first welded gasket 321 connects wire 323 and extends beyond the second welded gasket 322 with D1 in a first direction,
So that the first welded gasket 321 and the second welded gasket 322 D1 in the first direction is staggered, and first
The distance of welded gasket 321 to end 3203 is less than the distance of the second welded gasket 322 to end 3203, because of
This first welded gasket 321 and the second welded gasket 322 D1 in the first direction is staggered and the first welding
Pad 321 and the area maximizing of the second welded gasket 322.
It should be noted that, because the flexible circuit board of Fig. 1 and Fig. 3 12 and 32 D1 in a first direction
Length is more than the length of second direction D2, and therefore the flexible circuit board 12 with Fig. 1 is compared, and is not affecting
Under the overall dimensions of flexible circuit board, the flexible circuit board 32 of Fig. 3 can have the first welding that area is bigger
Pad 321 and the second welded gasket 322, to increase by the first welded gasket 321 and welding of the second welded gasket 322
Area and pad quantity.
It should be noted that, although Fig. 3 Yu Fig. 4 only illustrates two welded gaskets 321,322, the number of welded gasket
Amount is not limited with two.The present invention can also configure two or more according to the actual requirements on substrate 320
Welded gasket.For example, if configure plural welded gasket on substrate 320, the plurality of
Welded gasket can be configured to D1 in the first direction and is staggered and maximized by area, or by described many
In individual welded gasket, each two adjacent solder pad is divided into one group, and the configuration of each assembly welding connection pad is such as the welding of Fig. 3
Pad 321,322.
Though Fig. 3 illustrates the first welded gasket 321 and need to connect wire 323 and extend beyond with D1 in a first direction
Second welded gasket 322, so that the first welded gasket 321 and the second welded gasket 322 D1 in the first direction interlocks
Arrangement, but be not limited.For example, the most variable the second welded gasket 322 is turned to by wire
One direction D1 extends beyond the first welded gasket 321 so that the second welded gasket 322 and the first welded gasket 321
D1 is staggered in the first direction, and second welded gasket 322 relatively the first welded gasket 321 is closer to end
Portion 3203.Additionally, (-) (+) that Fig. 3 illustrates is to represent the first welded gasket 321 and the second welded gasket 322 points
It is not electrically connected to negative pole and the positive pole of light emitting module 30, but is not limited, the most variable turn to the first weldering
Connection pad 321 and the second welded gasket 322 are respectively and electrically connected to positive pole and the negative pole of light emitting module 30.
It should be noted that, first welded gasket 321 of Fig. 3 and the second welded gasket 322 are shaped as rectangle, but
It is not limited.This technical field tool usually intellectual can be according to demand and substrate 320 shape, certainly
Be about to the first welded gasket 321 and the second welded gasket 322 be designed as square, rectangle, circle, rhombus,
Hexagon, octagonal or irregularly shaped, thus it is effectively increased the first welded gasket 321 and the second welded gasket
The bonding area of 322 and pad quantity.Moreover it is preferred that the first welded gasket 321 and the second welding
The width of pad 322 can be between 2 millimeters and 50 millimeters, to strengthen weld strength.
Coordinate the first welded gasket 321 and design of the second welded gasket 322 of aforementioned flexible circuit board 32, can
Scratch formula wiring board 36 and also include the first welding ends 361 and the second welding ends 362.Preferably, the first welding
End 361 and the shape of the second welding ends 362 and width distinguish the most corresponding the first welded gasket 321 and the with it
Two welded gaskets 322 are identical, but are not limited.In like manner, although Fig. 3 with Fig. 4 only illustrates two and weld
End 361,362, the quantity of welding ends is not limited with two.The welding ends of bendable wiring board 36
Quantity is the quantity of the welded gasket according to flexible circuit board 32 and determines.
When assembling display device 3, it is by the first welding ends 361 and the second weldering of bendable wiring board 36
Connect end 362 to be respectively welded on first welded gasket 321 and the second welded gasket 322 of flexible circuit board 32,
So that flexible circuit board 32 outlet unified with bendable wiring board 36.Due to flexible circuit board 32 first
Welded gasket 321 and the second welded gasket 322 are along the first side 3201 of substrate 320 and second side 3202
Arrangement, and be staggered towards first direction D1, therefore in the overall dimensions not affecting flexible circuit board 32
Under, the first welded gasket 321 and the bonding area of the second welded gasket 322 and pad quantity can be effectively increased.
As shown in Figure 4, after the bonding area of the first welded gasket 321 and the second welded gasket 322 increases, first
Between welded gasket 321 and the first welding ends 361, and between the second welded gasket 322 and the second welding ends 362
Can be electrically connected with by two pads 330 respectively.It should be noted that, although Fig. 3 Yu Fig. 4 only illustrates two
Individual pad 330, the quantity of pad 330 is not limited with two.The quantity of pad 330 is root
Determine according to the first welded gasket 321 and the size of the second welded gasket 322.In other words, the first welded gasket
321 and second the size of welded gasket 322 the biggest, the quantity of pad 330 is the most.Additionally, first
Between welded gasket 321 and the first welding ends 361, and between the second welded gasket 322 and the second welding ends 362
The most variable turning to only is electrically connected with by a pad 330 respectively, and the size of pad 330 is for strengthening
To suitable with the bonding area of the first welded gasket 321 and the second welded gasket 322.Therefore, flexible circuit board
First welding ends 361 of first welded gasket 321 of 32 and the second welded gasket 322 and bendable wiring board 36
And second welding ends 362 welding after, weld strength can be substantially improved, thus avoid weld generation missing solder,
Come off, the problem such as fracture because of bending.
It should be noted that, though the present embodiment be with pad 330 be electrically connected with the first welded gasket 321,
Two welded gasket 322 and first welding ends the 361, second welding ends 362, the most also can replace pad 330
For anisotropic conductive film (anisotropic conductive film, ACF) or anisotropic conductive (anisotropic
Conductive paste, ACP), can reach electric connection first welded gasket the 321, second welded gasket equally
322 and first purpose of welding ends the 361, second welding ends 362.When using anisotropic conductive film or different side
During the aspect of property conducting resinl, the size of the first welded gasket 321 and the second welded gasket 322 is the biggest, except
One welded gasket the 321, second welded gasket 322 is strong with the joint of first welding ends the 361, second welding ends 362
Outside degree increases, because first welded gasket the 321, second welded gasket 322 and the first welding ends 361, second weld
The conducting particles connecing 362 pressings of end increases, therefore first welded gasket the 321, second welded gasket 322 with
Impedance between first welding ends the 361, second welding ends 362 also can reduce.
Therefore, according to technique scheme, the flexible circuit board of the present invention and be equiped with this flexible circuit board
Display device at least there is following advantages and beneficial effect: owing to the welded gasket of flexible circuit board is along substrate
Side arrangement, under the overall dimensions not affecting flexible circuit board, the welding of welded gasket can be effectively increased
Area and pad quantity so that weld strength is substantially improved, thus avoid weld generation missing solder, take off
Fall, the problem such as fracture because of bending.
In specification and claims, " connection " word includes any directly and indirectly connecting.Cause
This, if a first device connects second device described in literary composition, then representing described first device can be straight
Connect described second device in succession, or be coupled indirectly to described second dress by other device or connection means
Put.
In specification and claims, " electric connection " word include any directly and the most electrical
Connect.Therefore, if a first device is electrically connected with second device described in literary composition, then represent described
First device can directly be electrically connected with described second device, or pass through other device or connect means indirectly
It is electrically connected to described second device.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for this
For the technical staff in field, the present invention can have various modifications and variations.All spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included in the protection of the present invention
Within the scope of.
Claims (10)
1. a flexible circuit board, it is characterised in that described flexible circuit board includes:
Substrate, has relative first side and second side, and is positioned at described first side and described
End between dual side-edge；And
First welded gasket and the second welded gasket, be configured on described substrate, and along described first side and institute
State second side arrangement.
2. flexible circuit board as claimed in claim 1, it is characterised in that described first welded gasket and institute
State the second welding to be padded on the direction of vertical described end and be staggered.
3. flexible circuit board as claimed in claim 2, it is characterised in that described flexible circuit board includes
Wire, described conductor configurations extends on described substrate and along described first side, described first welded gasket
Connect described wire, and the distance of described first welded gasket extremely described end is less than described second welded gasket
Distance to described end.
4. flexible circuit board as claimed in claim 1, it is characterised in that described first welded gasket and institute
State the width of the second welded gasket between 2 millimeters and 50 millimeters.
5. flexible circuit board as claimed in claim 1, it is characterised in that described first welded gasket and institute
The shape stating the second welded gasket is square, rectangle, circle, rhombus, hexagon or octagonal.
6. a display device, it is characterised in that described display device includes:
Light emitting module；
Flexible circuit board as claimed in claim 1, is electrically connected at described light emitting module；
Display floater；And
Bendable wiring board, is electrically connected at described display floater, and includes the first welding ends and the second weldering
Connect end, described first welding ends and described second welding ends be electrically connected with in described first welded gasket and
Described second welded gasket.
7. display device as claimed in claim 6, it is characterised in that described first welding ends is with described
Between the first welded gasket and be electrically to connect by pad between described second welding ends and described second welded gasket
Connect.
8. display device as claimed in claim 7, it is characterised in that described first welding ends is with described
Weld by least two respectively between the first welded gasket and between described second welding ends with described second welded gasket
Point is electrically connected with.
9. display device as claimed in claim 6, it is characterised in that described first welding ends is with described
Between the first welded gasket and be by anisotropic conductive film between described second welding ends and described second welded gasket
Or anisotropic conductive is electrically connected with.
10. display device as claimed in claim 6, it is characterised in that described light emitting module is lamp bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312009.0A CN106304630B (en) | 2015-06-09 | 2015-06-09 | Flexible circuit board and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312009.0A CN106304630B (en) | 2015-06-09 | 2015-06-09 | Flexible circuit board and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106304630A true CN106304630A (en) | 2017-01-04 |
| CN106304630B CN106304630B (en) | 2019-12-27 |
Family
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| CN201510312009.0A Active CN106304630B (en) | 2015-06-09 | 2015-06-09 | Flexible circuit board and display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107507513A (en) * | 2017-08-25 | 2017-12-22 | 武汉华星光电技术有限公司 | A kind of display panel and display |
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| CN104393160A (en) * | 2014-10-24 | 2015-03-04 | 苏州德鲁森自动化系统有限公司 | Six-pin 5050 LED lamp welding pad |
| CN204350442U (en) * | 2014-12-29 | 2015-05-20 | Tcl显示科技（惠州）有限公司 | Flexible PCB and display module |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107507513A (en) * | 2017-08-25 | 2017-12-22 | 武汉华星光电技术有限公司 | A kind of display panel and display |
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