CN103175013A - Heat dissipation type light emitting diode (LED) light bar - Google Patents
Heat dissipation type light emitting diode (LED) light bar Download PDFInfo
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- CN103175013A CN103175013A CN2013100703483A CN201310070348A CN103175013A CN 103175013 A CN103175013 A CN 103175013A CN 2013100703483 A CN2013100703483 A CN 2013100703483A CN 201310070348 A CN201310070348 A CN 201310070348A CN 103175013 A CN103175013 A CN 103175013A
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Abstract
The invention discloses a heat dissipation type light emitting diode (LED) light bar which comprises LED components and a strip-shaped mounting plate. The strip-shaped mounting plate is a heat dissipation type metal plate. A heat conduction layer, an insulation layer and a circuit layer are sequentially arranged on an upper surface of the strip-shaped mounting plate from top to bottom. The heat conduction layer is provided with the plurality of LED components. Each LED component is arranged along the length direction of the strip-shaped mounting plate in a spaced mode and a light emitting face of each LED component is arranged upwards. A positive electrode pin and a negative electrode pin of each LED component respectively and sequentially penetrate through the heat conduction layer and the insulation layer to the circuit layer and are fixedly connected with the circuit layer. Each portion, corresponding to the position below each LED component, on the heat conduction layer is respectively provided with a groove which is recessed downwards and extends along the width direction of the strip-shaped mounting plate. According to the heat dissipation type LED light bar, each LED component is prevented from being punctured by static electricity of a mounting worker through the insulation layer, convection space around each LED component is increased through each groove, corresponding to the position below each LED component, on the heat conduction layer and therefore heat dissipation effect of the LED light bar is enhanced.
Description
Technical field
The present invention relates to the parts of backlight module, particularly a kind of LED lamp bar.
Background technology
Backlight module is one of key part and component of panel of LCD, and because liquid crystal itself is not luminous, the function of backlight module namely is well-off brightness and the light source that is evenly distributed, normally show image.At present, the light source that is used for backlight module all adopts LED lamp bar, and the structure of this LED lamp bar generally comprises circuit board and several LED devices that are welded on circuit board.The LED lamp bar of this kind structure, it is to adopt artificial mode to be assembled in backlight module, and each LED device all with the direct solid welding of SMT (surface mounting technology) mode on circuit board, like this, the installer can produce static when the mounted LED lamp bar, this static can puncture the LED device that static is adjacent therewith, causes single LEDs device not work, and even can puncture whole piece LED lamp bar; Simultaneously, after installation, it is relatively poor that LED lamp bar is coated on the interior thermal diffusivity of backlight module, easily causes the service life of LED lamp bar shorter.
In view of above-mentioned reason, the inventor furthers investigate the structure of LED lamp bar, is then produced by this case.
Summary of the invention
The purpose of this invention is to provide a kind of radiating LED lamp bar, with solve in prior art when mounted static because of the installer cause the LED device to be caused not working by electrostatic breakdown and install after cause short problem in service life because thermal diffusivity is not good.
technical scheme of the present invention is such: a kind of radiating LED lamp bar, comprise LED device and bar shaped installing plate, and this LED device is positioned on a side corresponding with the light-emitting area of LED device and has the both positive and negative polarity leading foot, above-mentioned bar shaped installing plate is the heat radiating type metallic plate, the upper surface of above-mentioned bar shaped installing plate from top to bottom is provided with heat-conducting layer successively, insulating barrier and circuit layer, above-mentioned heat-conducting layer is provided with several above-mentioned LED devices, each above-mentioned LED device is spaced apart along the length direction of above-mentioned bar shaped installing plate, and the light-emitting area of each above-mentioned LED device all arranges up, the both positive and negative polarity leading foot of each above-mentioned LED device passes above-mentioned heat-conducting layer and above-mentioned insulating barrier respectively successively to above-mentioned circuit layer, and be fixedly connected with the foregoing circuit layer, and, above-mentioned heat-conducting layer all is concaved with the groove that extends along the width of above-mentioned bar shaped installing plate downwards corresponding to the position below each above-mentioned LED device.
Above-mentioned bar shaped installing plate for its trailing flank corresponding to all the extend back sketch plate of boss of the position of each above-mentioned LED device, equal corresponding protuberance that is complementary with above-mentioned boss that is provided with on above-mentioned heat-conducting layer, above-mentioned insulating barrier and foregoing circuit layer, the groove of above-mentioned heat-conducting layer extends in the protuberance of above-mentioned heat-conducting layer.
Above-mentioned bar shaped installing plate is aluminium base or aluminium alloy base plate.
Above-mentioned heat-conducting layer is carbon fiber layer or silicon carbide layer.
Above-mentioned heat-conducting layer is concaved with locating slot in being placed in for each above-mentioned LED device portions position corresponding to the position of each above-mentioned LED device.
After adopting technique scheme, a kind of radiating LED lamp bar of the present invention, the static that can prevent the installer by insulating barrier can puncture the LED device, the problem that has caused indivedual LED devices not work because of installer's static when having avoided installing, simultaneously, by heat-conducting layer corresponding to the groove of LED device below increased around the LED device to fluid space, this can strengthen the radiating effect at LED device place to fluid space, thereby strengthened the radiating effect of LED lamp bar, greatly extended the service life of LED lamp bar.
Description of drawings
Fig. 1 is structural representation of the present invention.
In figure:
The anodal leading foot 11 of LED device 1
Negative pole leading foot 12 bar shaped installing plates 2
Heat-conducting layer 3 grooves 31
Insulating barrier 4 circuit layers 5
The specific embodiment
a kind of radiating LED lamp bar of the present invention, as shown in Figure 1, comprise LED device 1 and bar shaped installing plate 2, this LED device 1 is positioned at a side corresponding with the light-emitting area of LED device 1 and has both positive and negative polarity leading foot 11, 12, this bar shaped installing plate 2 is the heat radiating type metallic plate, be aluminium base or aluminium alloy base plate, the upper surface of this bar shaped installing plate 2 is coated with and from top to bottom is provided with successively heat-conducting layer 3, insulating barrier 4 and circuit layer 5, this heat-conducting layer 3 is carbon fiber layer or silicon carbide layer, and this heat-conducting layer 3 is provided with several LED devices 1, each LED device 1 is spaced apart along the length direction of bar shaped installing plate 2, the light-emitting area of each LED device 1 all arranges up, the both positive and negative polarity leading foot 11 of each LED device 1, 12 pass heat-conducting layer 3 and insulating barrier 4 respectively successively to circuit layer 5, and be fixedly connected with circuit layer 5, and, heat-conducting layer 3 all is concaved with corresponding to the position of each LED device 1 below the groove 31 that extends along the width of bar shaped installing plate 2 downwards.
A kind of radiating LED lamp bar of the present invention, can prevent that by insulating barrier 4 installer's static from can puncture the both positive and negative polarity leading foot 11,12 of LED device 1, the problem that has caused indivedual LED devices not work because of installer's static when having avoided installing, simultaneously, by heat-conducting layer 3 corresponding to the groove 31 of LED device 1 below increased around LED device 1 to fluid space, this can strengthen the radiating effect at LED device 1 place to fluid space, thereby strengthened the radiating effect of LED lamp bar, greatly extended the service life of LED lamp bar.Because heat-conducting layer 3 is carbon fiber layer or silicon carbide layer, carbon fiber and carborundum all have the fast characteristics of heat-transfer rate, and namely heat-conducting layer 3 can be fast and effeciently conducts the work calories of LED device, has greatly strengthened the radiating effect of LED lamp bar.
In the present invention, bar shaped installing plate 1 can be arranged to its trailing flank corresponding to all the extend back sketch plate of boss of the position of each LED device 2, and all correspondingly on heat-conducting layer 3, insulating barrier 4 and circuit layer 5 be provided with the protuberance that boss therewith is complementary, the protuberance of the boss by this bar shaped installing plate 1 and heat-conducting layer 3, insulating barrier 4 and circuit layer 5 coordinates like this, can strengthen on the one hand the overall construction intensity of LED lamp bar, can be used as on the other hand being connected between the shell on the back with backlight module; Simultaneously, the groove 31 of heat-conducting layer 3 extends in the protuberance of heat-conducting layer 3, like this, can increase the length of groove 31, thereby increases fluid space, has further improved the radiating effect of LED lamp bar.
In the present invention, also can be concaved with for the locating slot in corresponding being placed in of partial portion of each LED device 1 at the upper surface of heat-conducting layer 3 position corresponding to each LED device 1, can play positioning action to LED device 1 by this locating slot, prevent that both positive and negative polarity leading foot 11,12 LED device 1 when being connected with circuit board 5 of LED device 1 from occuring crooked.
Above-described embodiment and graphic and non-limiting product form of the present invention and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present invention to its suitable variation or modification of doing.
Claims (5)
1. a radiating LED lamp bar, comprise LED device and bar shaped installing plate, and this LED device is positioned on a side corresponding with the light-emitting area of LED device and has the both positive and negative polarity leading foot, it is characterized in that: above-mentioned bar shaped installing plate is the heat radiating type metallic plate, the upper surface of above-mentioned bar shaped installing plate from top to bottom is provided with heat-conducting layer successively, insulating barrier and circuit layer, above-mentioned heat-conducting layer is provided with several above-mentioned LED devices, each above-mentioned LED device is spaced apart along the length direction of above-mentioned bar shaped installing plate, and the light-emitting area of each above-mentioned LED device all arranges up, the both positive and negative polarity leading foot of each above-mentioned LED device passes above-mentioned heat-conducting layer and above-mentioned insulating barrier respectively successively to above-mentioned circuit layer, and be fixedly connected with the foregoing circuit layer, and, above-mentioned heat-conducting layer all is concaved with the groove that extends along the width of above-mentioned bar shaped installing plate downwards corresponding to the position below each above-mentioned LED device.
2. a kind of radiating LED lamp bar according to claim 1, it is characterized in that: above-mentioned bar shaped installing plate for its trailing flank corresponding to all the extend back sketch plate of boss of the position of each above-mentioned LED device, equal corresponding protuberance that is complementary with above-mentioned boss that is provided with on above-mentioned heat-conducting layer, above-mentioned insulating barrier and foregoing circuit layer, the groove of above-mentioned heat-conducting layer extends in the protuberance of above-mentioned heat-conducting layer.
3. a kind of radiating LED lamp bar according to claim 1, it is characterized in that: above-mentioned bar shaped installing plate is aluminium base or aluminium alloy base plate.
4. a kind of radiating LED lamp bar according to claim 1, it is characterized in that: above-mentioned heat-conducting layer is carbon fiber layer or silicon carbide layer.
5. a kind of radiating LED lamp bar according to claim 1 is characterized in that: above-mentioned heat-conducting layer is concaved with locating slot in being placed in for each above-mentioned LED device portions position corresponding to the position of each above-mentioned LED device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100703483A CN103175013A (en) | 2013-03-05 | 2013-03-05 | Heat dissipation type light emitting diode (LED) light bar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100703483A CN103175013A (en) | 2013-03-05 | 2013-03-05 | Heat dissipation type light emitting diode (LED) light bar |
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| CN103175013A true CN103175013A (en) | 2013-06-26 |
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| CN2013100703483A Pending CN103175013A (en) | 2013-03-05 | 2013-03-05 | Heat dissipation type light emitting diode (LED) light bar |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836425A (en) * | 2014-01-21 | 2014-06-04 | 深圳市华星光电技术有限公司 | Manufacturing method of LED light bar and LED light bar |
| US9234633B2 (en) | 2014-01-21 | 2016-01-12 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Method for manufacturing LED light bar and LED light bar thereof |
| WO2016077993A1 (en) * | 2014-11-18 | 2016-05-26 | 何素华 | Led light strip and led television |
| CN108534001A (en) * | 2018-04-18 | 2018-09-14 | 苏州盛威佳鸿电子科技有限公司 | A kind of heat dissipation LED lamp bar |
| CN108709103A (en) * | 2018-04-19 | 2018-10-26 | 苏州盛威佳鸿电子科技有限公司 | A kind of heat dissipation wind-guiding LED light bar certainly |
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| CN2556469Y (en) * | 2002-02-27 | 2003-06-18 | 成都佳禾光电有限公司 | LED lamps and lanterns |
| CN2898575Y (en) * | 2006-04-28 | 2007-05-09 | 吴毅超 | High-density and directed-connected LED illuminating module |
| US20070201232A1 (en) * | 2006-02-27 | 2007-08-30 | Kuei-Fang Chen | Illumination apparatus having heat dissipating capability |
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| US20120020093A1 (en) * | 2010-07-26 | 2012-01-26 | Cirocomm Technology Corp. | Light unit for led lamp and method for the same |
| CN102537747A (en) * | 2010-12-28 | 2012-07-04 | 嘉善三思光电技术有限公司 | Led lamp strip |
| CN102788284A (en) * | 2012-08-16 | 2012-11-21 | 重庆平伟实业股份有限公司 | Flexible light-emitting diode (LED) lamp band and manufacturing method thereof |
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2013
- 2013-03-05 CN CN2013100703483A patent/CN103175013A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2556469Y (en) * | 2002-02-27 | 2003-06-18 | 成都佳禾光电有限公司 | LED lamps and lanterns |
| US20070201232A1 (en) * | 2006-02-27 | 2007-08-30 | Kuei-Fang Chen | Illumination apparatus having heat dissipating capability |
| CN2898575Y (en) * | 2006-04-28 | 2007-05-09 | 吴毅超 | High-density and directed-connected LED illuminating module |
| CN201306638Y (en) * | 2008-07-23 | 2009-09-09 | 林保龙 | Flexible luminescent lamp strip structure |
| CN102109126A (en) * | 2009-12-24 | 2011-06-29 | 东芝照明技术株式会社 | Lighting apparatus |
| US20120020093A1 (en) * | 2010-07-26 | 2012-01-26 | Cirocomm Technology Corp. | Light unit for led lamp and method for the same |
| CN102537747A (en) * | 2010-12-28 | 2012-07-04 | 嘉善三思光电技术有限公司 | Led lamp strip |
| CN102788284A (en) * | 2012-08-16 | 2012-11-21 | 重庆平伟实业股份有限公司 | Flexible light-emitting diode (LED) lamp band and manufacturing method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836425A (en) * | 2014-01-21 | 2014-06-04 | 深圳市华星光电技术有限公司 | Manufacturing method of LED light bar and LED light bar |
| US9234633B2 (en) | 2014-01-21 | 2016-01-12 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Method for manufacturing LED light bar and LED light bar thereof |
| WO2016077993A1 (en) * | 2014-11-18 | 2016-05-26 | 何素华 | Led light strip and led television |
| CN108534001A (en) * | 2018-04-18 | 2018-09-14 | 苏州盛威佳鸿电子科技有限公司 | A kind of heat dissipation LED lamp bar |
| CN108709103A (en) * | 2018-04-19 | 2018-10-26 | 苏州盛威佳鸿电子科技有限公司 | A kind of heat dissipation wind-guiding LED light bar certainly |
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Application publication date: 20130626 |