CN201354981Y - LED backlight system - Google Patents
LED backlight system Download PDFInfo
- Publication number
- CN201354981Y CN201354981Y CNU2008202336356U CN200820233635U CN201354981Y CN 201354981 Y CN201354981 Y CN 201354981Y CN U2008202336356 U CNU2008202336356 U CN U2008202336356U CN 200820233635 U CN200820233635 U CN 200820233635U CN 201354981 Y CN201354981 Y CN 201354981Y
- Authority
- CN
- China
- Prior art keywords
- led
- backlit
- led backlight
- installed surface
- backlight system
- 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
Links
Images
Landscapes
- Led Device Packages (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses an LED backlight system, comprising an LED backlight control panel and an LED backlight board. The circuit board of the LED backlight board has two installation surfaces, i.e. a first installation surface and a second installation surface, wherein, the first installation surface is provided with a plurality of LED lights; and the second installation surface is integrated at least one LED driving chip. The LED backlight system integrates the driving device on the LED backlight board, thus simplifying the structure of the LED backlight system, improving the integration level of the LED backlight system, reducing the physical size of the LED backlight system, decreasing the fabrication cost of the LED backlight system, and also improving the heat dispersion property of the LED driving chip in the LED backlight system.
Description
Technical field
The utility model belongs to the LED-backlit technical field, particularly a kind of LED-backlit system.
Background technology
Along with advancing of LED-backlit technology, more and more higher requirement has been proposed for the physical size of LED-backlit system, the heat radiation of LED-backlit system and the manufacturing cost of LED-backlit system etc.With reference to shown in Figure 1, traditional LED-backlit system mainly is made up of three parts: LED-backlit plate, LED-backlit drive plate and LED-backlit control panel, three part independent design, this LED-backlit system architecture makes the integrated level of LED-backlit system low, and physical size is big, the manufacturing cost height.And, also needing external independent heat abstractor usually because LED-backlit drive plate independent design drives chip cooling in order to give the LED on the LED drive plate, cost is higher; If heat abstractor is not installed, then can cause LED-backlit drive plate temperature too high, influence the operate as normal and the service life of LED-backlit system.
The utility model content
The utility model is in order to solve the problems of the prior art, and a kind of LED-backlit system is provided especially, can reduce the LED-backlit system physical size, improve the LED-backlit system heat dispersion, reduce the manufacturing cost of LED-backlit system.
A kind of LED-backlit system comprises LED-backlit control panel and LED-backlit plate, and the circuit board of described LED-backlit plate comprises first installed surface and positive and negative two installed surfaces of second installed surface, is two-sided mounted board; Wherein, some LED lamps are installed on described first installed surface; Integrated at least one LED drives chip on described second installed surface.
Among the utility model embodiment, each LED drives chip distribution or is distributed on the same edge on described surface, whole edge, same bight or whole bight.
Among the utility model embodiment, the substrate of described LED-backlit plate circuit board is a FR-4 level substrate, and wherein said FR-4 level substrate can be the substrate of glass cloth substrate or other materials.
Among the utility model embodiment, described second installed surface also is equipped with at least one heat abstractor, promptly at the back side of the above first installed surface of circuit board at least one heat abstractor is installed also, this heat abstractor fits tightly at described second installed surface, to reach better heat radiating effect.
Among the utility model embodiment, described heat abstractor be louvre, fin, heat sink, fan one of them.
Among another embodiment of the utility model, be provided with groove corresponding to the position that described LED driving chip is housed on the described heat abstractor, can directly described heat abstractor be installed in more closely the back side of described first installed surface like this, promptly on second installed surface, to reach better radiating effect.
Adopt LED-backlit of the present utility model system, be integrated with drive unit on the LED-backlit plate wherein, simplified the LED-backlit system architecture, improved the integrated level of LED-backlit system, reduced the physical size of LED-backlit system, reduce the manufacturing cost of LED-backlit system, can also improve the heat dispersion of LED driving chip in the LED-backlit system.
Description of drawings
Fig. 1 is the prior art schematic diagram;
Fig. 2 is the utility model embodiment 1 schematic diagram;
Fig. 3 is the schematic diagram of the utility model embodiment 4.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail.
With reference to Fig. 2, present embodiment provides a kind of LED-backlit system, and LED-backlit control panel 101 is connected with LED-backlit plate 102 by holding wire.
The circuit board of LED-backlit plate comprises positive and negative two installed surfaces, i.e. first installed surface and second installed surface; Some LED lamps 104 are installed on described first installed surface, some LED are installed on described second installed surface drive chip 103, and each LED driving chip 103 is distributed on second installed surface of circuit board.
And for example, each LED drives chip and can be distributed on whole edges of described second installed surface, same bight or whole bight.For example, described second installed surface is a quadrangle, has four LED to drive chip, establishes a LED and drive chip on every limit or each angle; Perhaps, whole four LED are set and drive chip on a certain bight.Perhaps, described second installed surface is a triangle, has five LED to drive chips, and the total length on three limits is carried out five five equilibriums, a LED is set on each Along ent drives chip.
Adopt the LED-backlit system of present embodiment, improved the integrated level of LED-backlit system, reduced the physical size of LED-backlit system, reduced cost.
Embodiment 2
Present embodiment is on the basis of embodiment 1, and the circuit board of LED-backlit plate 102 adopts FR-4 level glass cloth substrate.Need to prove herein, adopt FR-4 level glass cloth substrate should not understand to restriction of the present utility model other glass cloth substrate material that can also adopt those skilled in the art to understand in the present embodiment.
All the other are identical with embodiment 1 principle, do not repeat them here.
Adopt the LED-backlit system of present embodiment, can also strengthen the radiating effect of total system, and because driving chip 103, LED has been integrated on the LED-backlit plate 102, the perfect heat-dissipating of LED-backlit plate 102, so the radiating effect of LED driving chip 103 has also strengthened greatly.
Embodiment 3
Present embodiment is on the basis of embodiment 2, and LED-backlit plate 102 also is equipped with a heat abstractor on described second installed surface of circuit board.
Adopt the LED-backlit system of present embodiment, not only strengthened the radiating effect of integral LED back light system, also improved the stability of system.
Embodiment 4
With reference to Fig. 3, present embodiment is on the basis of embodiment 1, on first installed surface 307 of LED-backlit plate 102 some LED lamps 104 (not drawing among the figure) are installed, the back side of first installed surface 307 is second installed surface 306, LED is installed on described second installed surface 306 drives chip 301,302,303 and 304, above-mentioned four LED drive chip and protrude second installed surface 306.In this enforcement, a copper fin 312 is installed also on second installed surface 306, wherein corresponding to the driving chip on second installed surface 306 four grooves 308,309,310 and 311 is set respectively on the fin 312.Fin 312 closely is mounted on second installed surface 306 of LED-backlit plate.
All the other are identical with embodiment 1 principle, do not repeat them here.
Adopt the LED-backlit system of present embodiment, can make heat abstractor be close to LED more and drive chip 103 and circuit board, not only saved the space, can also be for better being driving chip and the cooling of whole LED backlight.
By above embodiment the utility model has been carried out further announcement, but scope of the present utility model is not limited thereto, do not departing under the condition of the utility model design, more than each element can replace with the similar or equivalent element that affiliated technical field personnel understand.
Claims (8)
1, a kind of LED-backlit system comprises LED-backlit control panel and LED-backlit plate, it is characterized in that the circuit board of described LED-backlit plate comprises positive and negative two installed surfaces, i.e. first installed surface and second installed surface;
Wherein, the LED lamp is installed on described first installed surface;
Integrated at least one LED drives chip on described second installed surface.
2, LED-backlit according to claim 1 system is characterized in that, each LED drives chip distribution or is distributed on the same edge on described surface, all edge, same bight or whole bights.
3, LED-backlit according to claim 1 and 2 system is characterized in that the substrate of described LED-backlit plate circuit board is a FR-4 level substrate.
4, LED-backlit according to claim 3 system is characterized in that described FR-4 level substrate is the glass cloth substrate.
5, LED-backlit according to claim 1 and 2 system is characterized in that described second installed surface also is equipped with at least one heat abstractor.
6, LED-backlit according to claim 5 system is characterized in that, described heat abstractor be louvre, fin, heat sink, fan one of them.
7, LED-backlit according to claim 5 system is characterized in that described heat abstractor is provided with groove.
8, LED-backlit according to claim 7 system is characterized in that, the position of described heat abstractor upper groove is, corresponding to the position that LED drives chip is installed on described second installed surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202336356U CN201354981Y (en) | 2008-12-22 | 2008-12-22 | LED backlight system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202336356U CN201354981Y (en) | 2008-12-22 | 2008-12-22 | LED backlight system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201354981Y true CN201354981Y (en) | 2009-12-02 |
Family
ID=41411322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202336356U Expired - Fee Related CN201354981Y (en) | 2008-12-22 | 2008-12-22 | LED backlight system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201354981Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105710051A (en) * | 2016-03-30 | 2016-06-29 | 格兰达技术（深圳）有限公司 | Chip sorting device for logical circuit testing platform |
| CN105867022A (en) * | 2016-03-31 | 2016-08-17 | 京东方科技集团股份有限公司 | Lamp strip, backlight module and display device |
-
2008
- 2008-12-22 CN CNU2008202336356U patent/CN201354981Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105710051A (en) * | 2016-03-30 | 2016-06-29 | 格兰达技术（深圳）有限公司 | Chip sorting device for logical circuit testing platform |
| CN105867022A (en) * | 2016-03-31 | 2016-08-17 | 京东方科技集团股份有限公司 | Lamp strip, backlight module and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203456035U (en) | Double-surface LED (light emitting diode) display screen | |
| CN103672634B (en) | Modular panel lamp | |
| CN103528034A (en) | LED street lamp light source module, manufacturing method thereof and cooling device thereof | |
| CN201354981Y (en) | LED backlight system | |
| CN101968213A (en) | LED radiator | |
| CN201416813Y (en) | Lamp panel of LED household lighting ceiling lamp | |
| CN101294661B (en) | LED lighting lamp | |
| CN201373271Y (en) | High-power LED office illumination lamp for efficient radiation | |
| CN203560855U (en) | LED street lamp light source module and cooling device thereof | |
| CN101440932A (en) | High-power LED street light fitting | |
| CN101349418A (en) | Radiating module of luminous element | |
| CN101294660B (en) | LED lighting lamp | |
| CN202065933U (en) | Heat dissipation component of backlight light source | |
| CN204853405U (en) | LED lamps and lanterns heat abstractor | |
| CN201297528Y (en) | High-efficiency radiating high-power LED office lamp | |
| CN201652268U (en) | High-power LED radiating module | |
| CN201354980Y (en) | LED backlight system | |
| CN205037277U (en) | A radiator for LED lamp and electron device | |
| CN103196081A (en) | Light-emitting diode (LED) street lamp with built-in air cooling radiator | |
| CN203517515U (en) | LED optical lens light-distribution street lamp | |
| CN202955519U (en) | High transparency integrated-face light source module | |
| CN201322278Y (en) | Light emitting diode (LED) backlighting system | |
| CN202580946U (en) | Novel light-emitting diode (LED) street lamp | |
| CN209876613U (en) | Double-radiator LED tunnel lamp | |
| CN202598253U (en) | Carbon crystal heat dissipation light-emitting diode (LED) lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091202 Termination date: 20131222 |