CN209002259U - A kind of pad structure and circuit board - Google Patents
A kind of pad structure and circuit board Download PDFInfo
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- CN209002259U CN209002259U CN201821479954.5U CN201821479954U CN209002259U CN 209002259 U CN209002259 U CN 209002259U CN 201821479954 U CN201821479954 U CN 201821479954U CN 209002259 U CN209002259 U CN 209002259U
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- welding section
- welding
- pad structure
- external circuit
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Abstract
The utility model relates to field of display technology, disclose a kind of pad structure and circuit board, the pad structure, including at least one welding unit, each welding unit includes welding section and external circuit corresponding with the welding section, and is connected between the welding section and the external circuit by a main lead and at least one auxiliary lead.It is formed between auxiliary lead and main lead in pad structure provided by the utility model complementary, after component is welded in welding section, if because breaking phenomena occurs in scolding tin fracture between the welding section and external circuit of main lead connection, auxiliary lead is still able to maintain welding section and is connected to external circuit, to can guarantee the normal use of component.Therefore, above-mentioned pad structure is by changing self structure, convenient for promoting the stability of component and pad structure connection relationship, to keep the circuit communication between component and external circuitry.
Description
Technical field
The utility model relates to field of display technology, in particular to a kind of pad structure and circuit board.
Background technique
After light emitting diode model is selected, the pad structure design of flexible circuit board is substantially stationary, is not easy to change.It is assembling
Or in transportational process, can inevitably flexible circuit board be made to bend, the bad phenomenon of pad scolding tin fracture occur, lead to flexible circuit board
Rupture of line causes light emitting diode not work.
Such as: situation shown in Fig. 1, pads wire 01 connect intact with pad, do not occur outer caused by scolding tin 02 is broken
Line broken circuit phenomenon between portion's circuit 03 and pad, at this point, light emitting diode 04 is normally lighted；And in situation as shown in Figure 2,
Lead 01 leads to line broken circuit between external circuit 03 and pad because scolding tin 02 is broken on the right side of pad, at this time 04 nothing of light emitting diode
Method is normally lighted.
Utility model content
The utility model provides a kind of pad structure and circuit board, above-mentioned pad structure by changing self structure,
Convenient for promoting the stability of component and pad structure connection relationship, to keep the circuit between component and external circuitry to connect
It is logical.
In order to achieve the above objectives, the utility model the following technical schemes are provided:
A kind of pad structure, including at least one welding unit, each welding unit include welding section and with it is described
The corresponding external circuit in welding section, and pass through a main lead and at least one between the welding section and the external circuit
Auxiliary lead connection.
In above-mentioned pad structure, pad structure includes at least one welding unit, each welding unit include welding section and
External circuit corresponding with the welding section, and connected between welding section and external circuit by main lead and auxiliary lead.It needs
Illustrate, formation is complementary between auxiliary lead and main lead in pad structure provided by the utility model, when component welds
Behind welding section, if auxiliary is drawn because breaking phenomena occurs in scolding tin fracture between the welding section and external circuit of the connection of main lead
Line is still able to maintain welding section and is connected to external circuit, to can guarantee the normal use of component.
In pad structure provided by the utility model between auxiliary lead and main lead formed it is complementary, can keep welding section and
The stability of connection relationship between external circuit, using circuit locating for the component for guaranteeing to weld in welding section as on state.
Therefore, above-mentioned pad structure is by changing self structure, convenient for promoting component and pad structure connection relationship
Stability, to keep the circuit communication between component and external circuitry.
Preferably, welding section described in each welding unit includes the first welding section and the second welding section, and described
First welding section is vertical with second welding section.
Preferably, the main lead connects first welding section and the external circuit, and the extension of the main lead
It is oriented parallel to the extending direction of second welding section.
Preferably, the auxiliary lead is a plurality of, and at least part auxiliary lead connects first welding section
With the external circuit.
Preferably, a plurality of auxiliary lead is symmetrical about the extending direction of the main lead.
Preferably, including at least two welding units, the welding section and in a welding unit, which is formed, to be used for
The positive welding section of component anode is connected, the welding section in another described welding unit is formed for connecting the member
The cathode welding section of device cathode.
Preferably, the second welding of the extending direction of the second welding section of the positive welding section and the cathode welding section
The extending direction in area is on the same line.
Preferably, the second welding section length in the cathode welding section is greater than the second welding in the positive welding section
Section length, and at least one auxiliary lead connects the second welding section and the external circuit in the cathode welding section.
The utility model also provides a kind of circuit board, any one pad structure provided including above-mentioned technical proposal.
Detailed description of the invention
Fig. 1 is the welding plate structure schematic that the prior art provides；
Fig. 2 is another welding plate structure schematic that the prior art provides；
Fig. 3 is welding plate structure schematic provided by the embodiment of the utility model；
Fig. 4 is another welding plate structure schematic provided by the embodiment of the utility model.
Icon: the welding section 1-；2- external circuit；The main lead of 3-；4- auxiliary lead；5- component；6- scolding tin.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to FIG. 3, the utility model provides a kind of pad structure, including at least one welding unit, each welding
Unit includes welding section 1 and external circuit 2 corresponding with welding section 1, and passes through a master between welding section 1 and external circuit 2
Lead 3 and the connection of at least one auxiliary lead 4.
In above-mentioned pad structure, Fig. 3 and Fig. 4 are please referred to, pad structure includes at least one welding unit, and each welding is single
Member includes welding section 1 and external circuit 2 corresponding with the welding section 1, and passes through main lead 3 between welding section 1 and external circuit 2
It is connected with auxiliary lead 4.It should be noted that in pad structure provided by the utility model between auxiliary lead 4 and main lead 3
Complementation is formed, after component 5 is welded in welding section 1, if because of weldering between the welding section 1 that main lead 3 connects and external circuit 2
There is breaking phenomena in the fracture of tin 6, and auxiliary lead 4 is still able to maintain welding section 1 and is connected to external circuit 2, to can guarantee first device
The normal use of part 5.
Formation is complementary between auxiliary lead 4 and main lead 3 in pad structure provided by the utility model, can keep welding section
The stability of connection relationship between 1 and external circuit 2, to guarantee circuit locating for the component 5 welded in welding section 1 for conducting shape
State.
Therefore, above-mentioned pad structure is by changing self structure, convenient for promoting component 5 and pad structure connection relationship
Stability, to keep the circuit communication between component 5 and external circuitry.
It should be noted that component 5 can be light emitting diode or other devices, details are not described herein, and external electrical
Road 2 is the circuit being formed on flexible circuit board.
Based on the above technical solution, specifically, with continued reference to FIG. 3, welding section 1 includes in each welding unit
First welding section and the second welding section, and the first welding section and the second welding section vertically form T character form structure.
It should be noted that the T-shaped structure that the first welding section and the second welding section vertically form can expand component 5 with
The contact area of welding section 1, when passing through 6 welding component 5 of scolding tin, the welding relationship between component 5 and welding section 1 is more
It is firm.
Based on the above technical solution, as a kind of optional embodiment, preferably main lead 3 connects the first welding section
The extending direction of the second welding section is parallel to the extending direction of external circuit 2, and main lead 3.
Based on the above technical solution, in order to preferably guarantee to be connected between welding section 1 and external circuit 2, as
A kind of preferred embodiment, setting auxiliary lead 4 are a plurality of.
It should be noted that complementary relationship can also be formed between a plurality of auxiliary lead 4, when a wherein auxiliary lead 4
It, can be real by the on state between other auxiliary leads 4 and welding section 1 when connection relationship between welding section 1 is interrupted
Circuit communication between existing external circuit 2 and component 5.
It is worth noting that, at the specifically position of setting auxiliary lead 4, it can be by least one in a plurality of auxiliary lead 4
Part auxiliary lead 4 connects the first welding section and external circuit 2.
Based on the above technical solution, a plurality of auxiliary lead 4 is set as a preferred implementation manner, about master
The extending direction of lead 3 is symmetrical.
It should be noted that symmetrically arranged structure is convenient for simplifying the manufacturing process of pad, and welded convenient for subsequent
It connects and the welding of component 5 is operated in area 1.
Based on the above technical solution, as a kind of optional embodiment, pad structure provided by the utility model
Welding section 1 including at least two welding units, and in a welding unit forms the anode weldering for connecting 5 anode of component
Area 1 is met, the welding section 1 in another welding unit forms the cathode welding section 1 for connecting 5 cathode of component.
It should be noted that positive welding section 1 is separately connected the both ends of component 5 with cathode welding section 1, when being welded on
When circuit locating for 5 anode of component on disk is connected to circuit locating for cathode, component 5 can be worked normally.
Based on the above technical solution, it is operated for the ease of the welding to component 5, it is preferred that positive welding section 1
The second welding section extending direction and cathode welding section 1 the second welding section extending direction on the same line.
Based on the above technical solution, when the second welding section length in cathode welding section 1 is greater than positive welding section 1
When interior second welding section length, settable at least one auxiliary lead 4 connect the second welding section in cathode welding section 1 with
External circuit 2, preferably to maintain the stability of circuit locating for component 5.
It should be noted that the second welding section and external electrical in settable two auxiliary leads 4 connection cathode welding section 1
Road 2, and two auxiliary leads 4 are symmetrical about main lead 3.
The utility model also provides a kind of circuit board, any one pad structure provided including above-mentioned technical proposal.
Obviously, those skilled in the art the utility model embodiment can be carried out various modification and variations without departing from
The spirit and scope of the utility model.In this way, if these modifications and variations of the present invention belong to the utility model right
It is required that and its within the scope of equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (9)
1. a kind of pad structure, which is characterized in that including at least one welding unit, each welding unit includes welding section
With external circuit corresponding with the welding section, and between the welding section and the external circuit by a main lead and
The connection of at least one auxiliary lead.
2. pad structure according to claim 1, which is characterized in that welding section described in each welding unit includes
First welding section and the second welding section, and first welding section is vertical with second welding section.
3. pad structure according to claim 2, which is characterized in that the main lead connects first welding section and institute
External circuit is stated, and the extending direction of the main lead is parallel to the extending direction of second welding section.
4. pad structure according to claim 3, which is characterized in that the auxiliary lead is a plurality of, and at least partially
The auxiliary lead connects first welding section and the external circuit.
5. pad structure according to claim 4, which is characterized in that a plurality of auxiliary lead is about the main lead
Extending direction is symmetrical.
6. pad structure according to claim 2, which is characterized in that including at least two welding units, and described in one
The welding section in welding unit forms the positive welding section for connecting component anode, in another described welding unit
The welding section form the cathode welding section for connecting the component cathode.
7. pad structure according to claim 6, which is characterized in that the extension of the second welding section of the anode welding section
The extending direction of second welding section of direction and the cathode welding section is on the same line.
8. pad structure according to claim 7, which is characterized in that the second welding section length in the cathode welding section
Greater than the second welding section length in the positive welding section, and at least one auxiliary lead connects the cathode welding section
The second interior welding section and the external circuit.
9. a kind of circuit board, which is characterized in that including such as described in any item pad structures of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821479954.5U CN209002259U (en) | 2018-09-10 | 2018-09-10 | A kind of pad structure and circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821479954.5U CN209002259U (en) | 2018-09-10 | 2018-09-10 | A kind of pad structure and circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209002259U true CN209002259U (en) | 2019-06-18 |
Family
ID=66800640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821479954.5U Active CN209002259U (en) | 2018-09-10 | 2018-09-10 | A kind of pad structure and circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209002259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022061770A1 (en) * | 2020-09-25 | 2022-03-31 | 京东方科技集团股份有限公司 | Flexible circuit board, light bar, backlight module, and liquid crystal display device |
-
2018
- 2018-09-10 CN CN201821479954.5U patent/CN209002259U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022061770A1 (en) * | 2020-09-25 | 2022-03-31 | 京东方科技集团股份有限公司 | Flexible circuit board, light bar, backlight module, and liquid crystal display device |
| CN114631052A (en) * | 2020-09-25 | 2022-06-14 | 京东方科技集团股份有限公司 | A flexible circuit board, light bar, backlight module and liquid crystal display device |
| CN114631052B (en) * | 2020-09-25 | 2023-10-20 | 京东方科技集团股份有限公司 | Flexible circuit board, lamp strip, backlight module and liquid crystal display device |
| US11899307B2 (en) | 2020-09-25 | 2024-02-13 | Boe Optical Science And Technology Co., Ltd. | Flexible printed circuit, light bar, backlight module and liquid crystal display device |
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