CN204404117U - A kind of golden finger reverse side cut structure of backlight - Google Patents
A kind of golden finger reverse side cut structure of backlight Download PDFInfo
- Publication number
- CN204404117U CN204404117U CN201520054687.7U CN201520054687U CN204404117U CN 204404117 U CN204404117 U CN 204404117U CN 201520054687 U CN201520054687 U CN 201520054687U CN 204404117 U CN204404117 U CN 204404117U
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- Prior art keywords
- circuit
- golden finger
- via hole
- reverse side
- backlight
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- 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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- 241000218202 Coptis Species 0.000 claims abstract description 4
- 235000002991 Coptis groenlandica Nutrition 0.000 claims abstract description 4
- 238000010586 diagram Methods 0.000 description 13
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound 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[Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 206010023126 Jaundice Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Abstract
The utility model discloses a kind of golden finger reverse side cut structure of backlight, described structure comprises backlight housing, the PCB be placed in backlight housing, described PCB is provided with row's LED, the circuit end of described LED is connected with golden finger, the both positive and negative polarity of golden finger is respectively arranged with the first via hole, the corner reverse side circuit that the both positive and negative polarity of described golden finger is connected with PCB circuit is also provided with the second via hole, and the contact gold thread passing hole road of described second via hole is communicated in the front-side circuit of PCB circuit.If after golden finger fractures, circuit not conducting, therefore, at circuit reverse side many increases by place via hole, after golden finger fractures, circuit reverse side also can flow into front circuit through the second via hole, final circuit or conducting.The electric current of reverse side pad runs into fracture to front through the first via hole locates not conducting, but reverse side electric current normally enters front-side circuit through the second via hole, and circuit finally can also conducting.
Description
Technical field
The utility model relates to backlight field, relates to a kind of golden finger reverse side cut structure of backlight specifically.
Background technology
Quite universal in the application of electron trade printed circuit board (PCB) (PCB), the support plate as circuit is widely used in various electrical equipment.Along with the increase of device density and the increase of appliance power, the use of circuit board also gets more and more.
Please refer to the front-side circuit schematic diagram that accompanying drawing 1,3,5,7, Fig. 1 is traditional backlight source, Fig. 3 is the reverse side circuit diagram in traditional backlight source.Fig. 5 is the position schematic diagram of the easy fracture of traditional golden finger 2, and the tradition gold shown in figure refers to that the junction 21 of hand and circuit easily fractures, and after fractureing, front is with regard to not On current.Shown in Fig. 7, the electric current of reverse side pad also can not conducting to front through the first via hole 2011.Traditional golden finger 2 in front fractures, and just causes both sides not On currents, causes backlight point not work.
Utility model content
For deficiency of the prior art, the technical problems to be solved in the utility model there are provided a kind of golden finger reverse side cut structure of backlight.
For solving the problems of the technologies described above, the utility model is realized by following scheme: a kind of golden finger reverse side cut structure of backlight, described structure comprises backlight housing, be placed in the PCB in backlight housing, described PCB is provided with row's LED, the circuit end of described LED is connected with golden finger, the both positive and negative polarity of described golden finger is respectively arranged with the first via hole, the corner reverse side circuit that the both positive and negative polarity of described golden finger is connected with PCB circuit is also provided with the second via hole, the contact gold thread passing hole road of described second via hole is communicated in the front-side circuit of PCB circuit.
Further, the upper surface of described PCB circuit scribbles sub-light white oil.
Further, the corner cambered of the second via hole of described golden finger positive pole connection is between 110 ~ 120 degree.
Further, the corner cambered of the second via hole of described golden finger negative pole connection is between 160 ~ 175 degree.
Further, described second via hole is identical with the aperture of the first via hole.
Further, the aperture of described second via hole is between 0.5 ~ 1.5mm
Relative to prior art, the beneficial effects of the utility model are: if after golden finger fractures, circuit not conducting, therefore, at circuit reverse side many increases by place via hole, after golden finger fractures, circuit reverse side also can flow into front circuit through the second via hole, final circuit or conducting.The electric current of reverse side pad runs into fracture to front through the first via hole locates not conducting, but reverse side electric current normally enters front-side circuit through the second via hole, and circuit finally can also conducting.After pad solder element, can not occur Pad off phenomenon during bending, white oil uses sub-light white oil, by not there is jaundice or phenomenon of rupture after Reflow Soldering.
Accompanying drawing explanation
Fig. 1 is traditional backlight front-side circuit connection diagram.
Fig. 2 is backlight front-side circuit connection diagram of the present utility model.
Fig. 3 is traditional backlight reverse side circuit connection diagram.
Fig. 4 is backlight reverse side circuit connection diagram of the present utility model.
Fig. 5 is the position schematic diagram easily ruptured in traditional golden finger front.
Fig. 6 increases by the second via hole schematic diagram in the utility model backlight front-side circuit.
Fig. 7 is the golden finger reverse side circuit first via hole schematic diagram of traditional backlight.
Fig. 8 is the golden finger reverse side circuit second via hole schematic diagram of backlight of the present utility model.
Fig. 9 be backlight of the present utility model circuit board on scribble white oil schematic diagram.
Figure 10 is the utility model backlight external structure schematic diagram.
Mark in accompanying drawing: backlight housing 1; Tradition gold finger 2; LED 3; Sub-light white oil 11; Tradition gold refers to the junction 21 of hand and circuit; Golden finger 201; First via hole 2011; Second via hole 2012.
Detailed description of the invention
Below in conjunction with drawings and Examples, the technical solution of the utility model is explained in detail.
Please refer to accompanying drawing 2, 4, 6, 8, 9, 10, the golden finger reverse side cut structure of a kind of backlight of the present utility model, described structure comprises backlight housing 1, be placed in the PCB in backlight housing 1, described PCB is provided with row's LED 3, the circuit end of described LED 3 is connected with golden finger 201, the both positive and negative polarity of described golden finger 201 is respectively arranged with the first via hole 2011, the corner reverse side circuit that the both positive and negative polarity of described golden finger 201 is connected with PCB circuit is also provided with the second via hole 2012, the contact gold thread passing hole road of described second via hole 2012 is communicated in the front-side circuit of PCB circuit.The upper surface of described PCB circuit scribbles sub-light white oil 11, the corner cambered of the second via hole 2012 that described golden finger 201 positive pole connects is between 110 ~ 120 degree, the corner cambered of the second via hole 2012 that described golden finger 201 negative pole connects is between 160 ~ 175 degree, and described second via hole 2012 is identical with the aperture of the first via hole 2011.The aperture of described second via hole 2012 is between 0.5 ~ 1.5mm.
As shown in Fig. 6,8, after supposing that front golden finger 201 fractures, front-side circuit not conducting, reverse side many increases by second via hole 2012, if front golden finger fractures, reverse side also can flow into front circuit through the second via hole 2012, final circuit or conducting.The electric current of reverse side pad runs into fracture to front when the first via hole 2011 locates not conducting, but reverse side electric current normally enters front-side circuit through the second via hole 2012, and circuit finally can also conducting.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. the golden finger reverse side cut structure of a backlight, described structure comprises backlight housing (1), be placed in the PCB in backlight housing (1), described PCB is provided with row's LED (3), the circuit end of described LED (3) is connected with golden finger (201), the both positive and negative polarity of described golden finger (201) is respectively arranged with the first via hole (2011), it is characterized in that: the corner reverse side circuit that the both positive and negative polarity of described golden finger (201) is connected with PCB circuit is also provided with the second via hole (2012), the contact gold thread passing hole road of described second via hole (2012) is communicated in the front-side circuit of PCB circuit.
2. the golden finger reverse side cut structure of a kind of backlight according to claim 1, is characterized in that: the upper surface of described PCB circuit scribbles sub-light white oil (11).
3. the golden finger reverse side cut structure of a kind of backlight according to claim 1, is characterized in that: the corner cambered of the second via hole (2012) that described golden finger (201) positive pole connects is between 110 ~ 120 degree.
4. the golden finger reverse side cut structure of a kind of backlight according to claim 1, is characterized in that: the corner cambered of the second via hole (2012) that described golden finger (201) negative pole connects is between 160 ~ 175 degree.
5. the golden finger reverse side cut structure of a kind of backlight according to claim 1, is characterized in that: described second via hole (2012) is identical with the aperture of the first via hole (2011).
6. the golden finger reverse side cut structure of a kind of backlight according to claim 1 or 5, is characterized in that: the aperture of described second via hole (2012) is between 0.5 ~ 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520054687.7U CN204404117U (en) | 2015-01-27 | 2015-01-27 | A kind of golden finger reverse side cut structure of backlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520054687.7U CN204404117U (en) | 2015-01-27 | 2015-01-27 | A kind of golden finger reverse side cut structure of backlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204404117U true CN204404117U (en) | 2015-06-17 |
Family
ID=53427969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520054687.7U Active CN204404117U (en) | 2015-01-27 | 2015-01-27 | A kind of golden finger reverse side cut structure of backlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204404117U (en) |
-
2015
- 2015-01-27 CN CN201520054687.7U patent/CN204404117U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 523000 Shajing Street, Baoan District, Shenzhen City, Guangdong Province, Xinhe Road, Sha 1 North Yongfa Science Park 1 to 8, 16 to 23 (4th to 5th 1-4th, 8th 2nd, 16th 2nd floor) Patentee after: Shenzhen Antarctic optoelectronic Polytron Technologies Inc Address before: 518000 Shajing Street, Baoan District, Shenzhen City, Guangdong Province, 1-8 Xinhe Lusha-1 North Yongfa Science Park, 16-23 (4th to 5th 1-4th, 8th 2nd, 16th 2nd floor) Patentee before: Shenzhen Nanjiguang Electronic Technology Co., Ltd. |