CN202195352U - LED (Light Emitting Diode) backlight module - Google Patents
LED (Light Emitting Diode) backlight module Download PDFInfo
- Publication number
- CN202195352U CN202195352U CN2011202450298U CN201120245029U CN202195352U CN 202195352 U CN202195352 U CN 202195352U CN 2011202450298 U CN2011202450298 U CN 2011202450298U CN 201120245029 U CN201120245029 U CN 201120245029U CN 202195352 U CN202195352 U CN 202195352U
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- China
- Prior art keywords
- emitting diode
- light emitting
- light source
- source connector
- led
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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.)
- Expired - Lifetime
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Abstract
The utility model discloses an LED (Light Emitting Diode) backlight module, which comprises a printed circuit board, a light emitting diode with a lead and a light source connector with a lead. The light source connector is fixed on the printed circuit board. The light emitting diode is arranged in the light source connector. One end of the lead of the light source connector is connected to the printed circuit board. The other end of the lead of the light source connector is connected to the lead of the light emitting diode. According to the LED backlight module disclosed by the utility model, the light source connector fixed on the printed circuit board by using a surface mounting technology is newly added, so that the light emitting diode is connected to the printed circuit board through the light source connector; when the light emitting diode on a light bar of the module is damaged or fails, the light emitting diode can be easily replaced without the complex surface mounting technology; the maintenance working hour and the cost can be reduced; furthermore, the reliability and the service life of the LED backlight module are increased.
Description
Technical field
The utility model relates to a kind of display device, is specifically related to a kind of LED (Light Emitting Diode, light emitting diode) backlight module.
Background technology
As shown in Figure 1, the LED-backlit module of traditional design comprises usually: glue frame 1, optical diaphragm group 5, LGP (LGP) 6, reflector plate 7, backboard 2 and lamp bar (Light Bar); And the lamp bar is made up of light emitting diode 4 and printed circuit board (PCB) 3 (PCB/PWB), and light emitting diode 4 adopts surface mounting technology (SMT) directly to be fixed on the printed circuit board (PCB) 3.The light source that the LED-backlit module is sent by light emitting diode 4 on the lamp bar, and then provide liquid crystal panel required light source.As shown in Figure 2, in the LED-backlit module of traditional design, if the LED on the lamp bar is damage or when losing efficacy, and needs repairing or changes whole lamp bar, so the maintenance man-hours and the cost of increase backlight module.
The utility model content
The utility model purpose: to the problem and shortage of above-mentioned existing existence, the purpose of the utility model provides a kind of LED-backlit module that can reduce maintenance man-hours and cost.
Technical scheme: for realizing above-mentioned utility model purpose; The technical scheme that the utility model adopts is a kind of LED-backlit module; Comprise printed circuit board (PCB), be provided with the light emitting diode of pin and be provided with the light source connector of pin, said light source connector is fixed on the said printed circuit board (PCB), and said light emitting diode is located in the said light source connector; One end of the pin of said light source connector connects said printed circuit board (PCB), and the other end connects the pin of said light emitting diode.
Said light source connector can comprise a rectangular base plate and four sidewalls, and said four sidewalls link to each other with the four edges of said base plate respectively and form an integral body, and at least one pair of relative sidewall is provided with a pair of projection that is used for fixing said light emitting diode.Preferably, be respectively equipped with a pair of projection that is used for fixing said light emitting diode on two pairs of relative sidewalls.
The pin number of said light emitting diode and light source connector can be 2.
Beneficial effect: the utility model LED-backlit module utilization newly-increased adopts surface mounting technology to be fixed in the light source connector on the printed circuit board (PCB); Make light emitting diode pass through the light source connector and connect printed circuit board (PCB); When damage of the light emitting diode on the module lamp bar or inefficacy; Need not use the complex surfaces mounting technology can provide for simple replacement of light emitting diode, can reduce maintenance man-hours and cost, and then increase production reliability and service life.
Description of drawings
Fig. 1 is the part sectioned view of traditional LED-backlit module;
Fig. 2 is a conventional lights bar external form partial schematic diagram;
Fig. 3 is a light source connector construction sketch map;
Fig. 4 is the assembling sketch map of the utility model LED-backlit module;
Fig. 5 is the utility model lamp bar external form partial schematic diagram;
Fig. 6 is that the A-A of Fig. 5 is to cutaway view.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment; Further illustrate the utility model; Should understand these embodiment only be used to the utility model is described and be not used in the restriction the utility model scope; After having read the utility model, those skilled in the art all fall within the application's accompanying claims institute restricted portion to the modification of the various equivalent form of values of the utility model.
As shown in Figure 3; The structure of the light source connector 8 that the utility model is used is a rectangular base plate and is located at four " protruding " font sidewalls on the base plate four edges; Base plate and four sidewalls form an integral body; The structure of four sidewalls " protruding " font makes light emitting diode 4 (this figure is not shown, referring to Fig. 4) be fixed therein.The shell of this light source connector 8 is a plastics injection molding made, and pin (this figure is not shown, referring to Fig. 6) is metal stamping formed made; Shell and pin utilize plug-in unit mode fixed combination, and the pin material is a metal, is generally phosphor bronze; Enclosure material is plastics, is generally the heat resistant type resin.
As shown in Figure 4, light source connector 8 utilizes surface mounting technology (SMT) assembling to be fixed on the printed circuit board (PCB) 3 earlier, and light emitting diode 4 directly is assembled in the light source connector 8 more then.In the utility model, the integral body of printed circuit board (PCB) 3, light source connector 8 and light emitting diode 4 is called the lamp bar, and is as shown in Figure 5.
Fig. 6 is the centre position transverse cross sectional view along the upper surface of light emitting diode 3 shown in Figure 5; As shown in Figure 6; Light source connector 8 centrosymmetric first pin 11 and second pins 12 of being provided with, also centrosymmetric the 3rd pin 9 and the 4th pin 10 of being provided with of light emitting diode 4, wherein first pin 11 is connected printed circuit board (PCB) 3 respectively with an end of second pin 12; The other end connects the 3rd pin 9 and the 4th pin 10 respectively, so can reach the purpose of electrically conducting.
Claims (4)
1. LED-backlit module; Comprise printed circuit board (PCB), be provided with the light emitting diode of pin and be provided with the light source connector of pin; Said light source connector is fixed on the said printed circuit board (PCB); Said light emitting diode is located in the said light source connector, and an end of the pin of said light source connector connects said printed circuit board (PCB), and the other end connects the pin of said light emitting diode.
2. according to the said LED-backlit module of claim 1; It is characterized in that: said light source connector comprises a rectangular base plate and four sidewalls; Said four sidewalls link to each other with the four edges of said base plate respectively and form an integral body, and at least one pair of relative sidewall is provided with a pair of projection that is used for fixing said light emitting diode.
3. according to the said LED-backlit module of claim 2, it is characterized in that: be respectively equipped with a pair of projection that is used for fixing said light emitting diode on two pairs of relative sidewalls.
4. according to the said LED-backlit module of claim 1, it is characterized in that: the pin number of said light emitting diode and light source connector is 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202450298U CN202195352U (en) | 2011-07-13 | 2011-07-13 | LED (Light Emitting Diode) backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202450298U CN202195352U (en) | 2011-07-13 | 2011-07-13 | LED (Light Emitting Diode) backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202195352U true CN202195352U (en) | 2012-04-18 |
Family
ID=45950261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202450298U Expired - Lifetime CN202195352U (en) | 2011-07-13 | 2011-07-13 | LED (Light Emitting Diode) backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202195352U (en) |
-
2011
- 2011-07-13 CN CN2011202450298U patent/CN202195352U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120418 |