CN202835052U - Backlight module, liquid crystal module and television - Google Patents
Backlight module, liquid crystal module and television Download PDFInfo
- Publication number
- CN202835052U CN202835052U CN2012205057619U CN201220505761U CN202835052U CN 202835052 U CN202835052 U CN 202835052U CN 2012205057619 U CN2012205057619 U CN 2012205057619U CN 201220505761 U CN201220505761 U CN 201220505761U CN 202835052 U CN202835052 U CN 202835052U
- Authority
- CN
- China
- Prior art keywords
- led light
- light source
- reflector
- backlight module
- lgp
- 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 - Lifetime
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 12
- 239000003292 glue Substances 0.000 claims description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- 239000004411 aluminium Substances 0.000 claims description 14
- 239000003973 paint Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005728 strengthening Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000001795 light effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Planar Illumination Modules (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The utility model provides a backlight module which comprises a lamp strip plate, a light guide plate, plastic frames and a back plate. The lamp strip plate comprises a circuit plate and a plurality of light-emitting diode (LED) light sources which are connected with the circuit plate through pins. The light-out faces of the LED light sources are perpendicular to the plate face of the circuit plate. The light-out faces of the LED light sources are toward the side face of the light guide plate. The plastic frames are wrapped on the periphery of the light guide plate and the lamp strip plate. The back plate is covered on the back face of the light-out face of the light guide plate. A gap is formed between the back faces of the light-out faces of the LED light sources and the plastic frames. At least one reflection plate is arranged in the gap, or a reflection plate is arranged between two adjacent LED light sources. The utility model further provides a liquid crystal module and a television. Due to the fact that the reflection plate is added on the back portion of the LED light sources, the using ratio of the light sources is improved, and meanwhile the effect of strengthening the LED light sources is achieved.
Description
Technical field
The utility model relates to the electronic product field, in particular to a kind of backlight module, contain the liquid crystal module of this backlight module and contain the television set of this liquid crystal module.
Background technology
At present, the side-light backlight module is tending towards attenuate and narrow frame gradually, and the utilized space in the backlight module is fewer and feweri, and conflicting problem often occurs between the design of each parts.The SideViewLED(side-lighting type light-emitting diode) be a kind of TopViewLED(straight-down negative light emitting diode different from the past) new packing forms, this kind LED(Light Emitting Diode light emitting diode) pin is at the avris of LED exiting surface, can make LED stand in PCB(Printed CircuitBoard printed wiring board during welding) on the plate, and then reduced taking up room of LED, be conducive to realize narrow frame.Present stage SideViewLED is still having problems aspect heat radiation and the assembling, and along with the minimizing of LED number, the light leak between its slit also increases gradually, has reduced the utilization rate of luminous energy simultaneously.
The utility model content
Technical problem to be solved in the utility model is, a kind of backlight module is provided, and reduces the light leak between the led light source slit, improves the utilization rate of luminous energy.
On the one hand, the utility model provides a kind of backlight module, comprise the lamp batten, LGP, glue frame and backboard, described lamp batten comprises circuit board and a plurality of led light source, described led light source is connected with described circuit board by pin, the exiting surface of described led light source is perpendicular to the plate face of described circuit board, the exiting surface of described led light source is towards the side of described LGP, described glue frame is wrapped in the periphery of described LGP and described lamp batten, described backboard is covered in the back side of the exiting surface of described LGP, leave the gap between the back side of the exiting surface of described led light source and the described glue frame, be provided with at least one reflector in the described gap.
On the other hand, the utility model also provides another kind of backlight module, comprise the lamp batten, LGP, glue frame and backboard, described lamp batten comprises circuit board and a plurality of led light source, described led light source is connected with described circuit board by pin, the exiting surface of described led light source is perpendicular to the plate face of described circuit board, the exiting surface of described led light source is towards the side of described LGP, described glue frame is wrapped in the periphery of described LGP and described lamp batten, described backboard is covered in the back side of the exiting surface of described LGP, is provided with reflector between the adjacent two described led light sources.
On the one hand, the utility model also provides a kind of liquid crystal module, comprises the backlight module described in above-mentioned arbitrary technical scheme again.
At last, the utility model also provides a kind of television set, comprises the liquid crystal module described in the technique scheme.
The first backlight module that the utility model provides has following beneficial effect: by in the back side of SideViewLED exiting surface and the gap between the glue frame reflector being installed, improved the light leak problem in the led light source gap, increased the utilization rate of light, energy savings, the integral body of having improved backlight module goes out light effect, has promoted quality and the market competitiveness of product.
The second backlight module that the utility model provides has following beneficial effect: by between adjacent two SideViewLED reflector being set, improved the light leak problem in the led light source gap, increased the utilization rate of light, energy savings, the integral body of having improved backlight module goes out light effect, has promoted quality and the market competitiveness of product.
The liquid crystal module that the utility model provides and television set have following beneficial effect: owing to adopted novel backlight module, improved the light leak problem in the led light source gap, increased the utilization rate of light, energy savings, the integral body of having improved backlight module goes out light effect, has promoted quality and the market competitiveness of product.
Description of drawings
Fig. 1 is the structural representation of a kind of backlight module in the prior art;
Fig. 2 is the structural representation according to backlight module the first embodiment described in the utility model;
Fig. 3 is the structural representation according to backlight module the second embodiment described in the utility model;
Fig. 4 is the structural representation according to the third embodiment of backlight module described in the utility model;
Fig. 5 is the structural representation according to the 4th kind of embodiment of backlight module described in the utility model;
Fig. 6 is the structural representation according to the 5th kind of embodiment of backlight module described in the utility model;
Fig. 7 is the structural representation according to the 6th kind of embodiment of backlight module described in the utility model.
Corresponding relation among Fig. 1 to Fig. 7 between Reference numeral and the component names is:
The 1LED light source, 2 glue frames, 3 circuit boards, 4 LGPs, 5 reflectors.
The specific embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments the utility model is further described in detail.
A lot of details have been set forth in the following description so that fully understand the utility model; but; the utility model can also adopt and be different from other modes described here and implement, and therefore, protection domain of the present utility model is not subjected to the restriction of following public specific embodiment.
At first, in conjunction with Fig. 1 the technical problem that exists in the prior art is described.
Traditional TopViewLED welding manner is vertical with the light direction of LED with PCB, and the light that reflects can be stopped by PCB, can not form larger loss.As shown in Figure 1, the slit between per two SideViewLED can make light enter, and has reduced the efficiency of light energy utilization.Slit between the led light source of two SideView forms does not have shelter, is easy to cause the loss of brightness.
On the other hand, the SideViewLED area of dissipation is little, and radiating efficiency is low.The part that the heat dissipation channel of SideViewLED focuses mostly on and contacts with PCB, so its area of dissipation is very limited, if the profile of led light source is 6mm * 3.5mm * 1mm, then its area of dissipation is 6mm * 1mm to the maximum, also to consider simultaneously the position of welding pin, further reduce the area of dissipation of led light source.
Again on the one hand, SideViewLED easily damage or crooked in the process of assembling.Because the led light source bonding area is less, and the support of led light source only relies on the welding with PCB.So the lamp bar very easily causes led light source crooked in transportation, assembling process.The crooked meeting of this kind causes the change of led light source light direction, finally affects integral body backlight and goes out light effect.
For solving the problems of the technologies described above, the utility model proposes following technical scheme.Wherein, the path that represents light among Fig. 2 to Fig. 7 with the broken line of arrow.
The utility model provides a kind of backlight module, comprise the lamp batten, LGP 4, glue frame 2 and backboard, described lamp batten comprises circuit board 3 and a plurality of led light source 1, described led light source 1 is connected with described circuit board 3 by pin, the exiting surface of described led light source 1 is perpendicular to the plate face of described circuit board 3, the exiting surface of described led light source 1 is towards the side of described LGP 4, described glue frame 2 is wrapped in the periphery of described LGP 4 and described lamp batten, described backboard is covered in the back side of the exiting surface of described LGP, leave the gap between the back side of the exiting surface of described led light source 1 and the described glue frame 2, as shown in Figures 2 and 3, be provided with at least one reflector 5 in the described gap; Perhaps, to shown in Figure 7, be provided with reflector between the adjacent two described led light sources such as Fig. 4.
Owing to adopted reflector 5, the light that is reflected by LGP 4 is reflected back LGP 4 again by reflector 5, has improved the light leak problem in the led light source gap, improves the efficiency of light energy utilization, reduce the luminance loss of backlight module, improve the whole structure of backlight module.
Embodiment one:
As shown in Figure 2, leave the gap between the back side of the exiting surface of described led light source 1 and the described glue frame 2, be provided with a reflector 5 in the described gap.
In this technical scheme, by installing reflector 5 additional at described led light source rear, improved the utilization rate of light source, also played the effect of reinforcing led light source simultaneously.
Preferably, a side of described reflector 5 contacts with the back side of the exiting surface of a plurality of described led light sources 1, and opposite side contacts with described glue frame 2.
In this technical scheme, described glue frame 2 can support described led light source, makes described led light source in the process of assembling, can bear certain impact, avoids the led light source that causes because of assembling crooked.
Preferably, described reflector 5 is made by Heat Conduction Material.
In this technical scheme, heat conduction reflector 5 can effectively increase the contact area of led light source and heat abstractor, has improved the led light source radiating efficiency.
Preferably, described reflector 5 is made by aluminium section bar, and described aluminium shape surface scribbles insulated paint.
In this technical scheme, aluminium section bar has the good capacity of heat transmission, can improve the radiating efficiency of led light source, can preferably the light reflection that enters in the gap be returned LGP simultaneously; Scribble insulated paint at aluminium shape surface, can avoid short circuit.
Embodiment two:
As shown in Figure 3, in technique scheme, preferably, described reflector 5 is provided with micro-structural on a side surface of described LGP 4, and namely the surface of reflector 5 is provided with arc groove.
In this technical scheme, micro-structural can effectively improve the reflector efficiency of reflector 5, has improved the utilization rate of light source, has improved the shadow problem in the backlight module.
Preferably, a side of described reflector 5 contacts with the back side of the exiting surface of a plurality of described led light sources 1, and opposite side contacts with described glue frame 2.
In this technical scheme, described glue frame 2 can support described led light source, makes described led light source in the process of assembling, can bear certain impact, avoids the led light source that causes because of assembling crooked.
Preferably, described reflector 5 is made by Heat Conduction Material.
In this technical scheme, heat conduction reflector 5 can effectively increase the contact area of led light source and heat abstractor, has improved the led light source radiating efficiency.
Preferably, described reflector 5 is made by aluminium section bar, and described aluminium shape surface scribbles insulated paint.
In this technical scheme, aluminium section bar has the good capacity of heat transmission, can improve the radiating efficiency of led light source, can preferably the light reflection that enters in the gap be returned LGP simultaneously; Scribble insulated paint at aluminium shape surface, can avoid short circuit.
Embodiment three:
As shown in Figure 4, be provided with polylith reflector 5 in the described gap, described polylith reflector 5 is arranged at respectively in the described gap between the adjacent two described led light sources.
Because reflector is set in the gap in led light source dead astern can not effectively play reflective effect, therefore, in this technical scheme, only install a plurality of reflectors 5 additional in the gap between adjacent two described led light sources, improved the utilization rate of light source, can reduce simultaneously the waste of material, reduce cost, improve resource utilization.
Preferably, described reflector 5 is made by aluminium section bar, and described aluminium shape surface scribbles insulated paint.
In this technical scheme, aluminium section bar can return the light reflection that enters in the gap to LGP 4 preferably; Scribble insulated paint at aluminium shape surface, can avoid the fault that is short-circuited.
Embodiment four:
On the basis of embodiment three, further, as shown in Figure 5, towards a side surface of described LGP 4 micro-structural is set at described reflector 5, namely on LGP 4 surfaces arc groove is set.
In this technical scheme, micro-structural can effectively improve the reflector efficiency of reflector 5, improves the utilization rate of light source, has improved the shadow problem in the backlight module.
Embodiment five:
As shown in Figure 6, the utility model also provides another kind of backlight module, comprise the lamp batten, LGP 4, glue frame 2 and backboard, described lamp batten comprises circuit board 3 and a plurality of led light source 1, described led light source 1 is connected with described circuit board 3 by pin, the exiting surface of described led light source 1 is perpendicular to the plate face of described circuit board 3, the exiting surface of described led light source 1 is towards the side of described LGP 4, described glue frame 2 is wrapped in the periphery of described LGP 4 and described lamp batten, described backboard is covered in the back side of the exiting surface of described LGP 4, is provided with reflector 5 between the adjacent two described led light sources 1.
In this technical scheme, by between adjacent two led light sources, installing the mode of reflector 5 additional, improved the utilization rate of light source, also played the effect of reinforcing led light source simultaneously.
In this technical scheme, glue frame 2 can support by 5 pairs of led light sources 1 of reflector, makes described led light source 1 in the process of assembling, can bear certain impact, reduces because the led light source 1 that assembling causes is crooked.
Preferably, described reflector 5 is made by the white plastic section bar.
In this technical scheme, reflector 5 can block the slit between adjacent two led light sources 1, and the plastic material of white has very high reflecting rate.
Embodiment six:
On the basis of embodiment five, further, as shown in Figure 7, towards a side surface of described LGP 4 micro-structural is set at described reflector 5, namely so that described reflector 5 surfaces have certain roughness, diffuse reflection can occurs, strengthen the reflecting effect of reflector, improve the light source utilization rate.
In this technical scheme, micro-structural can effectively improve the reflector efficiency of reflector 5, has improved the utilization rate of light source.
The utility model also provides a kind of liquid crystal module, comprises the backlight module described in above-described embodiment.
At last, the utility model also provides a kind of television set, comprises the liquid crystal module in above-described embodiment.
The technical scheme that the utility model provides has following beneficial effect: by in the back side of SideViewLED exiting surface and the gap between the glue frame reflector being installed, perhaps between adjacent two SideViewLED, reflector is set, improved the light leak problem in the led light source gap, increased the utilization rate of light, energy savings, the integral body of having improved backlight module goes out light effect, has promoted quality and the market competitiveness of product.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. backlight module, comprise the lamp batten, LGP, glue frame and backboard, described lamp batten comprises circuit board and a plurality of led light source, described led light source is connected with described circuit board by pin, the exiting surface of described led light source is perpendicular to the plate face of described circuit board, the exiting surface of described led light source is towards the side of described LGP, described glue frame is wrapped in the periphery of described LGP and described lamp batten, described backboard is covered in the back side of the exiting surface of described LGP, leave the gap between the back side of the exiting surface of described led light source and the described glue frame, it is characterized in that, be provided with at least one reflector in the described gap.
2. backlight module according to claim 1 is characterized in that, is provided with a reflector in the described gap, and a side of described reflector contacts with the back side of the exiting surface of a plurality of described led light sources, and opposite side contacts with described glue frame.
3. backlight module according to claim 2 is characterized in that, described reflector is made by Heat Conduction Material.
4. backlight module according to claim 3 is characterized in that, described reflector is made by aluminium section bar, and described aluminium shape surface scribbles insulated paint.
5. backlight module according to claim 1 is characterized in that, is provided with the polylith reflector in the described gap, and the described reflector of polylith is arranged at respectively in the described gap between the adjacent two described led light sources.
6. backlight module according to claim 1 is characterized in that, described reflector is made by the white plastic section bar.
7. each described backlight module in 6 according to claim 1 is characterized in that described reflector is provided with micro-structural on a side surface of described LGP.
8. backlight module, comprise lamp batten, LGP, glue frame and backboard, described lamp batten comprises circuit board and a plurality of led light source, described led light source is connected with described circuit board by pin, the exiting surface of described led light source is perpendicular to the plate face of described circuit board, the exiting surface of described led light source is towards the side of described LGP, described glue frame is wrapped in the periphery of described LGP and described lamp batten, described backboard is covered in the back side of the exiting surface of described LGP, it is characterized in that, be provided with reflector between the adjacent two described led light sources.
9. a liquid crystal module is characterized in that, comprises such as each described backlight module in the claim 1 to 8.
10. a television set is characterized in that, comprises liquid crystal module as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205057619U CN202835052U (en) | 2012-09-28 | 2012-09-28 | Backlight module, liquid crystal module and television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205057619U CN202835052U (en) | 2012-09-28 | 2012-09-28 | Backlight module, liquid crystal module and television |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202835052U true CN202835052U (en) | 2013-03-27 |
Family
ID=47946750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205057619U Expired - Lifetime CN202835052U (en) | 2012-09-28 | 2012-09-28 | Backlight module, liquid crystal module and television |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202835052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534304A (en) * | 2014-12-03 | 2015-04-22 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
-
2012
- 2012-09-28 CN CN2012205057619U patent/CN202835052U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534304A (en) * | 2014-12-03 | 2015-04-22 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| WO2016086473A1 (en) * | 2014-12-03 | 2016-06-09 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| US9910204B2 (en) | 2014-12-03 | 2018-03-06 | Shenzhen China Star Optoelectronics Technology Co, Ltd. | Backlight module and liquid crystal display |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8646932B2 (en) | Backlight unit and the display device having the same | |
| CN201555153U (en) | Uniform high-brightness side-light type backlight source | |
| CN202025105U (en) | Light guide panel and liquid crystal display module | |
| CN202647428U (en) | Laterally-entering type backlight module and display unit | |
| CN202057826U (en) | Light guide plate and thin type backlight module group | |
| CN100451770C (en) | Back light module | |
| CN202469661U (en) | Lighting device | |
| TWI578066B (en) | Backlight unit and lighting system including the same | |
| CN201191340Y (en) | Back light module | |
| CN202815259U (en) | Light guide plate, backlight module and display device | |
| CN203363863U (en) | Straight down type backlight module and display device | |
| CN203147499U (en) | Backlight module and display device | |
| US20160035946A1 (en) | Light emitting diode package structure, backlight module and display device | |
| CN103511930A (en) | LED backlight module and corresponding liquid crystal display | |
| CN202835052U (en) | Backlight module, liquid crystal module and television | |
| CN103527966B (en) | A kind of LED lamp bar, side-light type back light module and display device | |
| CN102588802A (en) | LED planar lamp | |
| US9405149B2 (en) | Direct backlight module | |
| US8834002B2 (en) | Backlight module with side reflector plate protection | |
| US9389356B2 (en) | LED backlight module and the corresponding liquid crystal display | |
| CN105093676A (en) | Backlight module for liquid crystal display | |
| KR200471995Y1 (en) | A led planar light source and flat luminaires and flat type led lamp | |
| CN201475806U (en) | Lateral backlight source structure | |
| CN201487723U (en) | Backlight module and liquid crystal display device | |
| CN210720801U (en) | Side light-entering type light guide plate and backlight module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee after: Hisense Visual Technology Co., Ltd. Address before: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |