CN206923087U - A kind of LED backlight control circuit of antistatic - Google Patents
A kind of LED backlight control circuit of antistatic Download PDFInfo
- Publication number
- CN206923087U CN206923087U CN201720669147.9U CN201720669147U CN206923087U CN 206923087 U CN206923087 U CN 206923087U CN 201720669147 U CN201720669147 U CN 201720669147U CN 206923087 U CN206923087 U CN 206923087U
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- CN
- China
- Prior art keywords
- circuit
- led
- lower cover
- control circuit
- antistatic
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a kind of LED backlight control circuit of antistatic, wherein, including upper lid, lower cover, LED circuit and light guide plate, the light guide plate is arranged between lid and lower cover, the LED circuit is arranged at the end of lower cover, and the LED circuit also includes anti-static circuit, and described anti-static circuit one end is connected with lower cover, the other end is connected with LED circuit, and one end of the LED circuit is additionally provided with pad.The utility model in LED circuit by setting anti-static circuit and setting the pad of a ground connection in its side, injury of the electrostatic to product is effectively reduced, improves product reliability, extends the service life of product, existing LED backlight is solved without electrostatic protection, the problem of reliability is low.
Description
Technical field
It the utility model is related to technical field of LED illumination, more particularly to a kind of LED backlight control circuit of antistatic.
Background technology
At present, with the high speed development of science and technology, the application of LCDs is more and more extensive, and LED backlight is as liquid crystal
The component of display screen, in addition to having respective requirement to its optical property index, electrical performance indexes, its electrostatic protection requires also increasingly
It is important.
In the structure of existing LED backlight control circuit, LED light source is not grounded, and is assembled, is transported and operating process
In, protected from environmental, the electrostatic being gathered in LED backlight cannot get effective grounding release, easily cause LED or liquid crystal display
Shield electrostatic breakdown, cause LED backlight to be damaged completely.
Therefore, prior art has yet to be improved and developed.
Utility model content
In view of above-mentioned the deficiencies in the prior art, a kind of LED backlight control circuit of antistatic provided by the utility model,
By setting anti-static circuit in LED circuit and setting the pad of a ground connection in its side, electrostatic pair is effectively reduced
The injury of product, improves product reliability, extends the service life of product, solves existing LED backlight and prevents without electrostatic
Shield, the problem of reliability is low.
The technical solution of the utility model is as follows：
A kind of LED backlight control circuit of antistatic, wherein, including upper lid, lower cover, LED circuit and light guide plate, institute
State light guide plate to be arranged between lid and lower cover, the LED circuit is arranged at the end of lower cover, and the LED circuit also includes anti-
Electrostatic circuit, described anti-static circuit one end are connected with lower cover, and the other end is connected with LED circuit, and one end of the LED circuit is also
It is provided with pad.
The LED backlight control circuit of described antistatic, wherein, it is additionally provided with diffusion between the upper lid and light guide plate
Film.
The LED backlight control circuit of described antistatic, wherein, it is additionally provided with reflection between the lower cover and light guide plate
Film.
The LED backlight control circuit of described antistatic, wherein, the lower cover bottom is provided with power module.
Beneficial effect：The LED backlight control circuit of a kind of antistatic provided by the utility model, by LED circuit
It is middle that anti-static circuit is set and the pad of one ground connection is set in its side, injury of the electrostatic to product is effectively reduced, is carried
High product reliability, extends the service life of product, it is low without electrostatic protection, reliability to solve existing LED backlight
Problem.
Brief description of the drawings
Fig. 1 is a kind of planar structure schematic diagram of the LED backlight control circuit of antistatic of the utility model.
21- lower covers；22- reflectance coatings；Covered on 23-；24- diffusion barriers；25- light guide plates；26-LED circuits；27- pads.
Embodiment
The utility model provides a kind of LED backlight control circuit of antistatic, to make the purpose of this utility model, technology
Scheme and effect are clearer, clear and definite, and the utility model is further described below.It is it should be appreciated that described herein
Specific embodiment only to explain the utility model, is not used to limit the utility model.
Referring to Fig. 1, a kind of LED backlight control circuit of antistatic, wherein, including upper lid 23, lower cover 21, LED circuit
26 and light guide plate 25, light guide plate 25 be arranged between lid 23 and lower cover 21, LED circuit 26 is arranged at the end of lower cover 21,
LED circuit 26 also includes anti-static circuit（Not shown in figure）, anti-static circuit one end is connected with lower cover 21, the other end and LED
Circuit 26 connects, and one end of LED circuit 26 is additionally provided with pad 27.Upper lid 23 and lower cover 21 play protection branch in the utility model
The effect of control circuit is supportted, light guide plate 25 is used to conduct light, specifically, anti-static circuit is set up in LED circuit 26, prevented
Electrostatic circuit both ends connect LED circuit 26 and lower cover 21 respectively, and one end of the LED circuit 26 on lower cover 21 is additionally provided with pad
27, the electrostatic for so making to be gathered in LED backlight is discharged its effective grounding to earth's surface by the pad 27 of ground connection, avoids drawing
Play LED or LCDs electrostatic breakdown.
In practical application, diffusion barrier 24 is additionally provided between upper lid 23 and light guide plate 25.Diffusion barrier 24 can not only make to lead
The light that tabula rasa 25 is sent more uniformly is launched, and can also increase the lighting area of backlight.
In practical application, reflectance coating 22 is additionally provided between lower cover 21 and light guide plate 25.Reflectance coating 22 can be to greatest extent
The light sent using light source, improve the light utilization efficiency of light source.
Further, the bottom of lower cover 21 is provided with power module（Not shown in figure）.The power module of setting is used for control
Circuit power supply processed.
A kind of LED backlight control circuit of antistatic provided by the utility model, it is anti-quiet by being set in LED circuit
Circuit and the pad in one ground connection of its side setting, effectively reduce injury of the electrostatic to product, improving product can
By property, the service life of product is extended, solves existing LED backlight without electrostatic protection, the problem of reliability is low.
It should be appreciated that application of the present utility model is not limited to above-mentioned citing, this area normal technology personnel are come
Say, can according to the above description be improved or converted, all these modifications and variations should all belong to the appended power of the utility model
The protection domain that profit requires.
Claims (4)
1. the LED backlight control circuit of a kind of antistatic, it is characterised in that including upper lid, lower cover, LED circuit and leaded light
Plate, the light guide plate are arranged between lid and lower cover, and the LED circuit is arranged at the end of lower cover, and the LED circuit also wraps
Anti-static circuit is included, described anti-static circuit one end is connected with lower cover, and the other end is connected with LED circuit, and the one of the LED circuit
End is additionally provided with pad.
2. the LED backlight control circuit of antistatic according to claim 1, it is characterised in that the upper lid and leaded light
Diffusion barrier is additionally provided between plate.
3. the LED backlight control circuit of antistatic according to claim 1, it is characterised in that the lower cover and leaded light
Reflectance coating is additionally provided between plate.
4. the LED backlight control circuit of antistatic according to claim 1, it is characterised in that the lower cover bottom is set
It is equipped with power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720669147.9U CN206923087U (en) | 2017-06-09 | 2017-06-09 | A kind of LED backlight control circuit of antistatic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720669147.9U CN206923087U (en) | 2017-06-09 | 2017-06-09 | A kind of LED backlight control circuit of antistatic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206923087U true CN206923087U (en) | 2018-01-23 |
Family
ID=61315137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720669147.9U Active CN206923087U (en) | 2017-06-09 | 2017-06-09 | A kind of LED backlight control circuit of antistatic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206923087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108925009A (en) * | 2018-08-15 | 2018-11-30 | 深圳市锐拓显示技术有限公司 | Electrostatic discharge protection circuit and antistatic mould group |
-
2017
- 2017-06-09 CN CN201720669147.9U patent/CN206923087U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108925009A (en) * | 2018-08-15 | 2018-11-30 | 深圳市锐拓显示技术有限公司 | Electrostatic discharge protection circuit and antistatic mould group |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |