CN208094897U - A kind of pad structure solving plurality of LEDs welding consistency - Google Patents
A kind of pad structure solving plurality of LEDs welding consistency Download PDFInfo
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- CN208094897U CN208094897U CN201820428817.2U CN201820428817U CN208094897U CN 208094897 U CN208094897 U CN 208094897U CN 201820428817 U CN201820428817 U CN 201820428817U CN 208094897 U CN208094897 U CN 208094897U
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- pad
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- windowing position
- consistency
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Abstract
The utility model provides a kind of pad structure of solution plurality of LEDs welding consistency,Including pad structure ontology,The pad structure ontology includes flexible PCB,Pad windowing position one is provided on the flexible PCB,The pad windowing is provided with pad one in position one,The side of pad windowing position one is provided with pad windowing position two,The pad windowing is provided with pad two in position two,The side of pad windowing position two is provided with pad windowing position three,The pad windowing is provided with pad three in position three,The side of pad windowing position three is provided with pad windowing position four,The pad windowing is provided with pad four in position four,One end of conducting circuit one is connect with one end of pad one,The other end of the conducting circuit one is connect with one end of pad four,The solution plurality of LEDs welds the pad structure reasonable design of consistency,It is good that LED welds consistency,Improve brightness,Uniform in effect is good.
Description
Technical field
The utility model is related to electronic component technology field, specially a kind of pad solving plurality of LEDs welding consistency
Structure.
Background technology
The pad design of backlight flexible PCB, surrounding are connected to araneose conducting circuit, in reflow process,
The tin cream being printed on pad can become a kind of liquid, and araneose conducting circuit can also go up tin, it can pull the welding of LED
Position causes LED offsets, crooked, angled, plurality of LEDs welding consistency bad, LED lateral emitting direct projection light guide plates it is bright
Degree will have loss, and uniform in effect is poor, and square pads surrounding is connected to araneose conducting circuit, makes its LED welding position
The top offset 0.20mm being equipped with, some offset 0.2mm on the lower, for some skew angles up to 4 °, 5 °, plurality of LEDs welds consistency
± 0.20mm has been arrived, the brightness of LED lateral emitting direct projection light guide plates can lose 300-500cd/m2, and uniform in effect is poor, for this purpose,
The utility model provides a kind of pad structure of solution plurality of LEDs welding consistency.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of solution plurality of LEDs welding consistency
Pad structure, to solve the problems mentioned in the above background technology, the utility model is designed reasonably, LED weld consistency it is good,
Brightness is improved, uniform in effect is good.
To achieve the goals above, the utility model is to realize by the following technical solutions：A kind of solution plurality of LEDs
The pad structure of consistency, including pad structure ontology are welded, the pad structure ontology includes flexible PCB, the flexibility
It is provided with pad windowing position one on circuit board, pad one is provided in pad windowing position one, pad windowing position one
Side is provided with pad windowing position two, and pad two, the side of pad windowing position two are provided in pad windowing position two
It is provided with pad windowing position three, pad three, the side setting of pad windowing position three are provided in pad windowing position three
There are pad windowing position four, the pad windowing to be provided with pad four in position four, one end of one end and pad one of circuit one is connected
The other end of connection, the conducting circuit one is connect with one end of pad four.
As a kind of preferred embodiment of the utility model, the pad one, pad two, pad three and pad four number
Amount is 4.
As a kind of preferred embodiment of the utility model, one end of the pad two is provided with conducting circuit two.
As a kind of preferred embodiment of the utility model, one end of the pad three is provided with conducting circuit three.
The beneficial effects of the utility model：A kind of pad structure of the solution plurality of LEDs welding consistency of the utility model,
Including flexible PCB, pad windowing position one, pad one, pad windowing position two, pad two, pad windowing position three, pad three, weldering
Disk windowing position four, pad four, conducting circuit one, conducting circuit two and conducting circuit three.
1. this pad structure for solving plurality of LEDs welding consistency is set by changing the pad of backlight flexible PCB
Meter changes into long soldering plate 0.20mm slightly by original araneose line conduction mode, and conductive line is connected from pad both ends
Road reduces the range that welding process LED or more is pulled, to improve the consistency of plurality of LEDs welding, to improve backlight product
Brightness, uniform in effect is more preferable.
2. this solves the pad structure left and right ends 0.2mm long slightly of plurality of LEDs welding consistency, the conducting circuit of pad
It is connected from left and right ends, after flexible PCB Surface mulch film, the just only rectangular pad that pad windowing position leaks out, then
In reflow process, just only square pads can go up tin, and the both sides up and down of LED just reduce the range of pulling, to make on LED
Lower offset is reduced to 0.10mm, and skew angle is reduced within 2 °, and plurality of LEDs welds consistency < 0.10mm, LED side direct projections
The luminance loss of light guide plate is minimized, and uniform in effect is good.
3. this pad structure for solving plurality of LEDs welding consistency keeps LED welding linear unanimously from original ± 0.20mm,
It drops within 0.10mm；Skew angle is reduced to from original 4,5 ° within 2 °, and the brightness of LED lateral emitting direct projection light guide plates can
Increase 300-500 cd/m2 or so, uniform in effect is more preferable.
4. the solution plurality of LEDs welds the pad structure reasonable design of consistency, LED welding consistency is good, improves brightness,
Uniform in effect is good.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram for solving plurality of LEDs and welding the pad structure of consistency of the utility model；
In figure：1- flexible PCBs, 2- pads windowing position one, 3- pads one, 4- pads windowing position two, 5- pads two, 6-
Pad windowing position three, 7- pads three, 8- pads windowing position four, 9- pads four, 10- conductings circuit one, 11- conductings circuit two, 12-
Circuit three is connected.
Specific implementation mode
To make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, below
In conjunction with specific implementation mode, the utility model is expanded on further.
Referring to Fig. 1, the utility model provides a kind of technical solution：A kind of pad solving plurality of LEDs welding consistency
Structure, including pad structure ontology, the pad structure ontology include flexible PCB 1, are provided on the flexible PCB 1
Pad opens a window position 1, pad 1 is provided in pad windowing position 1, the side of pad windowing position 1 is provided with
Pad opens a window position 24, pad 25 is provided in pad windowing position 24, the side of pad windowing position 24 is provided with
Pad opens a window position 36, pad 37 is provided in pad windowing position 36, the side of pad windowing position 36 is provided with
Pad windowing position 48, the pad windowing are provided with pad 49 in position 48, and one end and the pad 1 of circuit 1 is connected
One end connects, and the other end of the conducting circuit 1 is connect with one end of pad 49.
As a kind of preferred embodiment of the utility model, the pad 1, pad 25, pad 37 and pad 49
Quantity be 4.
As a kind of preferred embodiment of the utility model, one end of the pad 25 is provided with conducting circuit 2 11.
As a kind of preferred embodiment of the utility model, one end of the pad 37 is provided with conducting circuit 3 12.
Operation principle：One flexible PCB has 6 pads 1, pad 25, pad 37 and pad 49, wherein welding
Disk 25 is connect with first pad 37 on the left of it by the way that circuit 2 11 is connected, pad 37 and first pad on the right side of it
25 are connected by the way that circuit 3 12 is connected, this solves the pad structure of plurality of LEDs welding consistency by changing backlight flexible electrical
The pad design of road plate changes into pad 1, pad 25, pad 37 and weldering by original araneose line conduction mode
The 0.20mm long slightly of disk 49 connects conducting circuit 1 from pad 1, pad 25, pad 37 and the both ends of pad 49, leads
Logical circuit 2 11 and conducting circuit 3 12, reduce the range that welding process LED or more is pulled, to improve plurality of LEDs welding
Consistency, to improve the brightness of backlight product, uniform in effect is more preferable, this solves the pad knot of plurality of LEDs welding consistency
Structure left and right ends 0.2mm long slightly, after flexible PCB Surface mulch film, pad opens a window position 1, pad windowing position 24, pad
Just only rectangular pad 1, pad 25, pad 37 and the pad 49 that windowing position 36 and pad windowing position 48 leak out, that
In reflow process, just only square pads 1, pad 25, pad 37 and pad 49 can go up tin, and up and down the two of LED
Side just reduces the range of pulling, and to make LED downward shifts be reduced to 0.10mm, skew angle is reduced within 2 °, more
The luminance loss of LED welding consistency < 0.10mm, LED side direct projection light guide plates is minimized, and uniform in effect is good, this solution
The pad structure of plurality of LEDs welding consistency makes LED welding is linear to be dropped within 0.10mm unanimously from original ± 0.20mm,
Skew angle is reduced to from original 4,5 ° within 2 °, and the brightness of LED lateral emitting direct projection light guide plates can increase 300-500 cd/
M2 or so, the solution plurality of LEDs weld the pad structure reasonable design of consistency, and LED welding consistency is good, improve brightness, effect
Fruit uniformity is good.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent requirements of the claims
All changes are embraced therein.Any reference numeral in claim should not be considered as to the involved right of limitation
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (4)
1. a kind of pad structure solving plurality of LEDs welding consistency, including pad structure ontology, which is characterized in that the weldering
Dish structure ontology includes flexible PCB（1）, the flexible PCB（1）On be provided with pad windowing position one（2）, the pad
Open a window position one（2）Inside it is provided with pad one（3）, pad windowing position one（2）Side be provided with pad windowing position two（4）,
Pad windowing position two（4）Inside it is provided with pad two（5）, pad windowing position two（4）Side be provided with pad windowing
Position three（6）, pad windowing position three（6）Inside it is provided with pad three（7）, pad windowing position three（6）Side be provided with
Pad windowing position four（8）, pad windowing position four（8）Inside it is provided with pad four（9）, circuit one is connected（10）One end and weldering
Disk one（3）One end connection, the conducting circuit one（10）The other end and pad four（9）One end connection.
2. a kind of pad structure solving plurality of LEDs welding consistency according to claim 1, it is characterised in that：It is described
Pad one（3）, pad two（5）, pad three（7）With pad four（9）Quantity be 4.
3. a kind of pad structure solving plurality of LEDs welding consistency according to claim 1, it is characterised in that：It is described
Pad two（5）One end be provided with conducting circuit two（11）.
4. a kind of pad structure solving plurality of LEDs welding consistency according to claim 1, it is characterised in that：It is described
Pad three（7）One end be provided with conducting circuit three（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820428817.2U CN208094897U (en) | 2018-03-28 | 2018-03-28 | A kind of pad structure solving plurality of LEDs welding consistency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820428817.2U CN208094897U (en) | 2018-03-28 | 2018-03-28 | A kind of pad structure solving plurality of LEDs welding consistency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208094897U true CN208094897U (en) | 2018-11-13 |
Family
ID=64060438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820428817.2U Active CN208094897U (en) | 2018-03-28 | 2018-03-28 | A kind of pad structure solving plurality of LEDs welding consistency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208094897U (en) |
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2018
- 2018-03-28 CN CN201820428817.2U patent/CN208094897U/en active Active
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