CN106793487A - Display device and its flexible PCB - Google Patents
Display device and its flexible PCB Download PDFInfo
- Publication number
- CN106793487A CN106793487A CN201611208389.4A CN201611208389A CN106793487A CN 106793487 A CN106793487 A CN 106793487A CN 201611208389 A CN201611208389 A CN 201611208389A CN 106793487 A CN106793487 A CN 106793487A
- Authority
- CN
- China
- Prior art keywords
- substrate
- projection
- flexible pcb
- golden finger
- connecting terminal
- 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.)
- Pending
Links
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
-
- 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
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/09372—Pads and lands
- H05K2201/09427—Special relation between the location or dimension of a pad or land and the location or dimension of a terminal
-
- 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
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/09372—Pads and lands
- H05K2201/09445—Pads for connections not located at the edge of the PCB, e.g. for flexible circuits
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention provides a kind of display device and its flexible PCB, the display device includes display screen and mainboard, display screen and mainboard are electrically connected by flexible PCB, flexible PCB includes substrate, substrate has electric connecting terminal, and electric connecting terminal is provided with a plurality of golden finger, wherein, the outer side edges of outermost two golden fingers are further provided with projection, and projection judges that whether the overall stamp of substrate cuts off normal for aid visual.The present invention provide flexible PCB due to being provided with projection, by naked eyes can quick detection, drastically increase detection efficiency.
Description
Technical field
The invention belongs to precision connector manufacturing technology field, more particularly to a kind of flexible PCB and the flexible electrical is used
The display device of road plate.
Background technology
On flexible PCB (FPC, Flexible Printed Circuit), golden finger is more typical design, with
The more and more compact precision of connection terminal, the management and control to golden finger processing procedure tolerance is also more and more stricter.For FPC plates factory stamp mould
Tool, management and control golden finger overall width tolerance is easier to using accurate mould, but for the more difficult control of the situation of integral drift, i.e. outermost
The distance of golden finger and FPC profiles have risk beyond specification, the super rule of this specification can cause golden finger and connection end interest
Category contact dislocation, so that easily short-circuit during power on operation.
Because the usual shipping Qty.s of FPC are big, in shipment or pan feeding, meeting counterweight spot size is sampled measurement, but cannot do
Measured to a hundred per cent.In this case easily there is golden finger to be punched off normal defective products and flow into subsequent production, so as to increase follow-up
It is bad with more economic losses.
The content of the invention
The present invention provides a kind of flexible PCB, to solve the shape for integral drift of flexible PCB in the prior art
The technical problem of the more difficult control of condition.
In order to solve the above technical problems, one aspect of the present invention is：A kind of flexible PCB is provided, it is described
Flexible PCB includes substrate, and the substrate has electric connecting terminal, and the electric connecting terminal is provided with a plurality of golden finger, wherein, most
The outer side edges of two golden fingers in outside are further provided with projection, and the projection judges that the substrate is for aid visual
No overall stamp cuts off normal.
According to one preferred embodiment of the present invention, the projection is arranged on the middle part of outermost two golden fingers
Or two outer end angular positions, the projection is rectangular.
According to one preferred embodiment of the present invention, the center to the side of the substrate of outermost two golden fingers
The distance on side is 0.3 ± 0.07 millimeter.
According to one preferred embodiment of the present invention, the distance of the projection to the side of the substrate is 0.07 millimeter, works as institute
State substrate stamp to cut when in specification, the projection that two sides can be presented completely retains, when the substrate stamp cuts
During beyond specification, the projection one that two sides can be presented is cut, and another completely retains and away from the back gauge of the substrate
Increase.
According to one preferred embodiment of the present invention, a plurality of golden finger is 31, including spaced odd number bar and double
Several, the width of the electric connecting terminal of the width more than the golden finger of the even numbers bar of the electric connecting terminal of the golden finger of the odd number bar
Degree.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of display device is provided, it is described
Display device includes display screen and mainboard, and the display screen and the mainboard are electrically connected by flexible PCB, the flexible electrical
Road plate includes substrate, and the substrate has electric connecting terminal, and the electric connecting terminal is provided with a plurality of golden finger, wherein, it is outermost
The outer side edges of two golden fingers are further provided with projection, and the projection judges whether the substrate is overall for aid visual
Stamp cuts off normal.
The beneficial effects of the invention are as follows：The situation of prior art is different from, the flexible PCB that the present invention is provided is due to setting
Be equipped with projection, by naked eyes can quick detection, drastically increase detection efficiency.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing, wherein：
Fig. 1 is the partial structural diagram of one embodiment of the flexible PCB of offer of the invention；
Fig. 2 is the partial enlargement structural representation of another embodiment of the flexible PCB shown in Fig. 1；
Fig. 3 is the partial enlargement structural representation of the flexible PCB shown in Fig. 1.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
When flexible PCB is manufactured, the golden finger layer of a monolithic conductive is typically set on one piece of larger substrate,
And golden finger pattern is formed by exposing the techniques such as --- development --- etching, the technique ensure that the essence of golden finger pattern
Standard, then carries out overall stamp and cuts to form multiple flexible PCBs, the more difficult to govern control of craft precision that overall stamp cuts, easily
There is the situation of left-right so as to produce substandard products, the present invention increases when flexible PCB is manufactured by flexible PCB
If supplementary structure cause with the naked eye by quick detection, be typically employed to microscope and carry out when detecting off normal situation in the prior art
Detection, process is relatively cumbersome and time-consuming.
Specifically, Fig. 1 is referred to, Fig. 1 is the local knot of one embodiment of the flexible PCB of offer of the invention
Structure schematic diagram.
As shown in figure 1, the present invention provides a kind of flexible PCB 100, the flexible PCB 100 includes substrate 110, substrate
110 have electric connecting terminal 120, and electric connecting terminal 120 is provided with a plurality of golden finger 130, wherein, outermost two golden fingers 130
Outer side edges be further provided with the projection 132 of one, projection 132 judges that whether the overall stamp of substrate 110 is cut out for aid visual
Cut off normal.
In embodiments of the present invention, projection 132 is arranged on the middle part of outermost two golden fingers 130.
In other embodiments, projection 132 can also be arranged on two outer vertex angle parts of outermost two golden fingers 130
Position, as shown in Figure 2.
The preferably rectangular shape of projection 132, naturally it is also possible to be other shapes, such as arc-shaped.
Also referring to Fig. 3, Fig. 3 is the partial enlargement structural representation of the flexible PCB shown in Fig. 1.
As shown in figure 3, the distance of side of the center of outermost two golden fingers 130 to substrate 110 is 0.3 ± 0.07
Millimeter, the distance is the specification of qualified products, and accordingly, the distance of the side of projection 132 to substrate 110 is 0.07 millimeter, when
The stamp of substrate 110 is cut when in specification, i.e., the tolerance at two ends can now be presented the projection of two sides within 0.07 millimeter
132 complete reservations, when the stamp of substrate 110 is cut beyond specification, i.e., there is tolerance at two ends beyond 0.07 millimeter, necessarily there is one
Individual projection 132 is cut, and the projection 132 1 that two sides can be now presented is cut, and another completely retains and away from substrate 110
Back gauge increase, therefore, by naked eyes can quick detection, drastically increase detection efficiency.
In the embodiment shown in fig. 1, a plurality of golden finger 130 is 31, including spaced odd number bar and even numbers bar,
Wherein, width of the width of the electric connecting terminal of the golden finger 130 of odd number bar more than the electric connecting terminal of the golden finger 130 of even numbers bar.
Certainly, in other embodiments, the bar number of golden finger 130 is not limited to this, and the electric connecting terminal of golden finger 130 also may be used
Being identical width.
The use of flexible PCB 100 for convenience, the flexible PCB 100 that the present invention is provided also includes positive stop
140, positive stop 140 is arranged on the side of the afterbody of electric connecting terminal 120, for controlling flexible PCB when being electrically connected
100 insertion depth.
Additionally, the present invention also provides a kind of display device, display device includes display screen and mainboard, and display screen and mainboard are logical
Above-mentioned flexible PCB 100 is crossed to electrically connect
In sum, it should be readily apparent to one skilled in the art that the flexible PCB 100 of present invention offer is convex due to being provided with
Block 132, by naked eyes can quick detection, drastically increase detection efficiency.
Embodiments of the invention are these are only, the scope of the claims of the invention is not thereby limited, it is every to be said using the present invention
Equivalent structure or equivalent flow conversion that bright book and accompanying drawing content are made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (10)
1. a kind of flexible PCB, it is characterised in that the flexible PCB includes substrate, the substrate has electric connecting terminal,
The electric connecting terminal is provided with a plurality of golden finger, wherein, the outer side edges of outermost two golden fingers are further provided with convex
Block, the projection judges that whether the overall stamp of the substrate cuts off normal for aid visual.
2. flexible PCB according to claim 1, it is characterised in that the projection is arranged on described in outermost two
The middle part of golden finger or two outer end angular positions, the projection are rectangular.
3. flexible PCB according to claim 2, it is characterised in that in outermost two golden fingers
The heart to the side of the substrate distance be 0.3 ± 0.07 millimeter.
4. flexible PCB according to claim 3, it is characterised in that distance of the projection to the side of the substrate
It it is 0.07 millimeter, when the substrate stamp is cut in specification, the projection that two sides can be presented completely retains, and works as institute
State substrate stamp to cut during beyond specification, the projection one that two sides can be presented is cut, another completely retain and away from
The back gauge increase of the substrate.
5. flexible PCB according to claim 4, it is characterised in that a plurality of golden finger is 31, including interval
The odd number bar and even numbers bar of arrangement, the golden finger of the width more than the even numbers bar of the electric connecting terminal of the golden finger of the odd number bar
Electric connecting terminal width.
6. a kind of display device, it is characterised in that the display device includes display screen and mainboard, the display screen and the master
Plate is electrically connected by flexible PCB, and the flexible PCB includes substrate, and the substrate has electric connecting terminal, the electrical connection
End is provided with a plurality of golden finger, wherein, the outer side edges of outermost two golden fingers are further provided with projection, the projection
Judge that whether the overall stamp of the substrate cuts off normal for aid visual.
7. display device according to claim 6, it is characterised in that the projection is arranged on outermost two gold
The outer end angular position of middle part two of finger, the projection is rectangular.
8. display device according to claim 7, it is characterised in that the center of outermost two golden fingers
Distance to the side of the substrate is 0.3 ± 0.07 millimeter.
9. display device according to claim 8, it is characterised in that the projection is to the distance of the side of the substrate
0.07 millimeter, when the substrate stamp is cut in specification, the projection that two sides can be presented completely retains, when described
Substrate stamp is cut during beyond specification, and the projection one that two sides can be presented is cut, and another completely retains and away from institute
State the back gauge increase of substrate.
10. display device according to claim 9, it is characterised in that a plurality of golden finger is 31, including interval row
The odd number bar and even numbers bar of row, the width of the electric connecting terminal of the golden finger of the odd number bar is more than the golden finger of the even numbers bar
The width of electric connecting terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611208389.4A CN106793487A (en) | 2016-12-23 | 2016-12-23 | Display device and its flexible PCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611208389.4A CN106793487A (en) | 2016-12-23 | 2016-12-23 | Display device and its flexible PCB |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106793487A true CN106793487A (en) | 2017-05-31 |
Family
ID=58920190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611208389.4A Pending CN106793487A (en) | 2016-12-23 | 2016-12-23 | Display device and its flexible PCB |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106793487A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109618485A (en) * | 2018-11-28 | 2019-04-12 | 武汉华星光电半导体显示技术有限公司 | The current test method of flexible circuit board and flexible circuit board |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080155158A1 (en) * | 2006-12-22 | 2008-06-26 | Hong Fu Jin Precision Industry (Shen Zhen) Co., Ltd | Pci interface card |
| CN201860510U (en) * | 2010-02-11 | 2011-06-08 | 上海天马微电子有限公司 | Connecting finger and circuit board with same |
| CN202998664U (en) * | 2012-12-14 | 2013-06-12 | 广东欧珀移动通信有限公司 | Golden finger of flexible printed circuit board |
-
2016
- 2016-12-23 CN CN201611208389.4A patent/CN106793487A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080155158A1 (en) * | 2006-12-22 | 2008-06-26 | Hong Fu Jin Precision Industry (Shen Zhen) Co., Ltd | Pci interface card |
| CN201860510U (en) * | 2010-02-11 | 2011-06-08 | 上海天马微电子有限公司 | Connecting finger and circuit board with same |
| CN202998664U (en) * | 2012-12-14 | 2013-06-12 | 广东欧珀移动通信有限公司 | Golden finger of flexible printed circuit board |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109618485A (en) * | 2018-11-28 | 2019-04-12 | 武汉华星光电半导体显示技术有限公司 | The current test method of flexible circuit board and flexible circuit board |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |