CN201531855U - LED backlight heat radiating device - Google Patents
LED backlight heat radiating device Download PDFInfo
- Publication number
- CN201531855U CN201531855U CN2009202369369U CN200920236936U CN201531855U CN 201531855 U CN201531855 U CN 201531855U CN 2009202369369 U CN2009202369369 U CN 2009202369369U CN 200920236936 U CN200920236936 U CN 200920236936U CN 201531855 U CN201531855 U CN 201531855U
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- China
- Prior art keywords
- led
- backboard
- heat
- circuit board
- backlit
- 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.)
- Expired - Fee Related
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to an LED backlight heat radiating device which comprises a rectangular backboard consisting of a bottom wall and side walls formed by vertical extension from edges of the bottom wall, a circuit board which is stuck on one side surface which is near to the bottom wall on the side wall of the backboard through a heat conductive adhesive and an LED light source which is electrically mounted on the circuit board. Heat emitted by the LED light source is transferred from the side wall of the backboard to the center of the backboard, thereby being conductive to heat radiation, further effectively utilizing the huge heat radiating area of the metal backboard, solving the problem of waste heat produced by an LED, ensuring the service life of the LED, simultaneously ensuring the normal use of other components such as a backlight module on a backlight and further ensuring the normal using effect and the service life of the whole backlight module.
Description
Technical field
The utility model relates to a kind of LED-backlit heat abstractor.
Background technology
Traditional LCD is backlight, because adopt CCFL cold cathode fluorescent lamp pipe as its light source, produces less heat.So this LCD backing structure does not need extra heat dissipation design basically.Therefore, traditional backboard does not have the function of heat radiation.
Simultaneously, there be the backlight structure of a kind of LED of employing in the prior art as light source.But this existingly have the more serious problem of heating with LED as the backlight of cold light source, if untimely the used heat that produces is distributed, the operating temperature of LED risen, and cause serious light decay, influences the working life of LED.
Therefore need provide a kind of radiating effect good LED-backlit heat abstractor.
The utility model content
The utility model provides a kind of radiating effect good LED-backlit heat abstractor.
For this reason, the utility model provides a kind of LED-backlit heat abstractor, comprises on the sidewall that is attached to described backboard by diapire and the rectangle backboard that constitutes from the sidewall that the edge-perpendicular of diapire extends to form, by heat-conducting glue near the circuit board on the side of diapire and electrically is installed in led light source on the described circuit board.
Advantage of the present utility model is: because the heat that led light source sends transmits from the center of the past backboard of sidewall of backboard, thereby help heat radiation, and then effectively utilize the huge area of dissipation of metal backing, solved the used heat problem that LED produces, guaranteed the working life of LED, can guarantee that simultaneously other assembly on backlight can normally use such as module backlight.
Below with reference to drawings and the specific embodiments the utility model is described further.
Description of drawings
Fig. 1 is the three-dimensional structure diagram of the utility model LED-backlit heat abstractor.
Fig. 2 is the cutaway view of LED-backlit heat abstractor shown in Figure 1 along the B-B direction.
Fig. 3 is the partial enlarged drawing of LED-backlit heat abstractor C part shown in Figure 2.
Fig. 4 is the partial enlarged drawing of LED-backlit heat abstractor A part shown in Figure 1.
The specific embodiment
Shown in Fig. 1-4, the LED-backlit heat abstractor 100 that the utility model provides comprises the backboard 10 of suitable shape such as rectangle.
Shown in backboard 10 preferably make such as aluminium by heat dispersion good metal material.Described backboard 10 comprises that diapire 12 reaches the sidewall 14 that extends to form from the edge-perpendicular of diapire 12.
LED-backlit heat abstractor 100 further comprises circuit board, the aluminium base circuit board 20 that for example radiating effect is good.Preferably, described aluminium base circuit board 20 is attached to by heat-conducting glue 30 on the sidewall 14 of described backboard 10 near on the side of described diapire 12.Described circuit board can be FR4 fiber circuit plate.
In addition, described LED-backlit heat abstractor 100 further comprises a plurality of led light sources 40, and these led light sources 40 electrically are installed on the described aluminium base circuit board 20, so as by with aluminium base circuit board 20 cooperate and the power supply situation under luminous.
Because the heat that led light source 40 sends transmits toward the center of backboard 10 from the sidewall 14 of backboard 10, thereby helps heat radiation.And then effectively utilize the huge area of dissipation of metal backing 10, and solved the used heat problem that LED40 produces, guarantee the working life of LED40, can guarantee that other assembly on backlight 10 is such as normal use of module backlight (figure does not show) simultaneously.
Described embodiment is the utility model preferred implementation; be not limited by the examples but only do not represent; other any do not deviate from any change, the modification done under the situation of spiritual essence of the present utility model and principle, substitutes, combination, simplify; all should be considered as the substitute mode with the utility model equivalence, all be included within the protection domain of the present utility model.
Claims (4)
1. LED-backlit heat abstractor, comprise by diapire and the rectangle backboard that constitutes from the sidewall that the edge-perpendicular of diapire extends to form, it is characterized in that further comprising: be attached on the sidewall of described backboard near the circuit board on the side of described diapire by heat-conducting glue and electrically be installed in led light source on the described circuit board.
2. LED-backlit heat abstractor according to claim 1 is characterized in that: shown in backboard be metal backing.
3. LED-backlit heat abstractor according to claim 2 is characterized in that: shown in metal backing be aluminium matter backboard.
4. LED-backlit heat abstractor according to claim 1 is characterized in that: described circuit board is aluminium base circuit board or FR4 fiber circuit plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202369369U CN201531855U (en) | 2009-10-10 | 2009-10-10 | LED backlight heat radiating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202369369U CN201531855U (en) | 2009-10-10 | 2009-10-10 | LED backlight heat radiating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201531855U true CN201531855U (en) | 2010-07-21 |
Family
ID=42527259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202369369U Expired - Fee Related CN201531855U (en) | 2009-10-10 | 2009-10-10 | LED backlight heat radiating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201531855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949526A (en) * | 2010-07-12 | 2011-01-19 | 深圳市华星光电技术有限公司 | Side-entering type backlight module and back-plate heat radiating structure thereof |
-
2009
- 2009-10-10 CN CN2009202369369U patent/CN201531855U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949526A (en) * | 2010-07-12 | 2011-01-19 | 深圳市华星光电技术有限公司 | Side-entering type backlight module and back-plate heat radiating structure thereof |
| US8419256B2 (en) | 2010-07-12 | 2013-04-16 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Side light type backlight module and back plate heat dissipation structure thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG TONGFANG LIGHTING CO., LTD. Free format text: FORMER NAME: AEOPTO TECHNOLOGIES CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 510000 F building, Hang Hau electronic digital base, No. 9 Huaxi Road, Liwan District, Guangdong, Guangzhou Patentee after: Guangdong Tongfang Lighting Co., Ltd. Address before: 510000 F building, Hang Hau electronic digital base, No. 9 Huaxi Road, Liwan District, Guangdong, Guangzhou Patentee before: Aeopto Technologies Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100721 Termination date: 20151010 |
|
| EXPY | Termination of patent right or utility model |