CN201517726U - Led back light module - Google Patents
Led back light module Download PDFInfo
- Publication number
- CN201517726U CN201517726U CN2009203119017U CN200920311901U CN201517726U CN 201517726 U CN201517726 U CN 201517726U CN 2009203119017 U CN2009203119017 U CN 2009203119017U CN 200920311901 U CN200920311901 U CN 200920311901U CN 201517726 U CN201517726 U CN 201517726U
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- CN
- China
- Prior art keywords
- led
- reflecting part
- lamp bar
- light source
- led lamp
- 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
- 239000000758 substrate Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009792 diffusion process Methods 0.000 abstract 2
- 239000004973 liquid crystal related substance Substances 0.000 description 7
- 239000003595 mist Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Abstract
The utility model provides an LED back light module which comprises an outer frame, an LED light bar and a mirror reflecting part, wherein the LED light bar is arranged in the outer frame, and the light emitting direction of the LED light bar is towards the mirror reflecting part. In the LED back light module, the LED light bar is reversely installed, and the light emitting direction of the LED light bar is towards the mirror reflecting part, so that a mirror image can be formed inside the mirror reflecting part and taken as a light source, after use, the effect is equivalent to that the LED light bar is placed in the position twice the distance between the LED light bar and the mirror reflecting part, the distance between the emergent ray and the diffusion plate can be increased, and better invisibility can be achieved, thereby reducing the distance between the diffusion plate and the lamp properly, not affecting the invisibility of the lamp, and achieving more uniform back light.
Description
Technical field
The utility model relates to a kind of module backlight, in particular for the LED-backlit module of LCD TV.
Background technology
Along with development of science and technology, the liquid crystal reality technology is more and more ripe, and TV is also from using traditional kinescope liquid crystal display till now.LCDs is passive luminous reality screen, and liquid crystal itself is not luminous, so LCDs needs module backlight that light source is provided.
Divide from the classification of light source, module backlight can be divided into CCFL module backlight, LED-backlit module etc.The LED-backlit module divides according to the LED position can be divided into direct-light type LED backlight module and LED side module backlight.In general, side liquid crystal module backlight is used in small-medium size, and large scale is used end module backlight.Usually the backlight because light source of side is in the side, and is generally all thinner, and the backlight because backlight in the end is in the bottom, thus in general the end backlight all thicker.Can in general, module backlight be all emphasized a disguise, and disguise just is used for watching outside liquid crystal display, see an important indicator of lamp shadow.Usually lamp is far away more apart from diffuser plate, and disguise is good more, and is near more apart from diffuser plate, and disguise is poor more.In order to realize better disguise, common implementation method all is a diffuser plate of selecting for use mist degree bigger, but permeability is just poor when the diffuser plate mist degree is big, so the light utilization efficiency of light source can be lower.LCD TV is at present towards the slimming development, and an important threshold of decision LCD TV thickness just is the thickness of liquid crystal module.The most again thickness that depend on module backlight of the thickness of liquid crystal module.
Ultra-thinization backlight of large-sized end research topic of the present invention just, module backlight does not all have ultrathin design at the present end, Chang Yong implementation method all is a diffuser plate of selecting for use mist degree bigger in general, permeability was just poor when but the diffuser plate mist degree was big, so the light utilization efficiency of light source can be lower.
The structure of a kind of LED-backlit module of the prior art as shown in Figure 1.
The utility model content
The utility model is in order to overcome above-mentioned the deficiencies in the prior art, and the utility model provides a kind of LED-backlit module that can realize ultra-thinization.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of LED-backlit module is provided, it comprises housing, LED lamp bar and minute surface reflecting part, described LED lamp bar is arranged in this housing, and the light direction of this LED lamp bar is towards this minute surface reflecting part.
The scheme that the utility model solves further technical problem is: described LED lamp bar comprises substrate, bracing frame, led light source and unthreaded hole.
The scheme that the utility model solves further technical problem is: described led light source is arranged on this substrate, and described bracing frame supports this substrate, and described unthreaded hole is arranged between the adjacent led light source.
The scheme that the utility model solves further technical problem is: described led light source comprises rgb light source and white light.
The scheme that the utility model solves further technical problem is: it further comprises metal backing, and described metal backing is arranged on the side away from LED lamp bar of this minute surface reflecting part.
The scheme that the utility model solves further technical problem is: its further diffuser plate and blooming, described diffuser plate and blooming be this minute surface reflecting part and be successively set on the opposite side of this LED lamp bar relatively.
Compared to prior art, LED-backlit module of the present utility model with the anti-dress of LED lamp bar and bright dipping towards this minute surface reflecting part, can form a mirror image in the inside of minute surface reflecting part, mirror image can be regarded a light source as, effect after the use is equivalent to LED lamp bar is positioned over the place that doubles lamp bar and minute surface reflecting part distance, can increase the distance between emergent ray and the diffuser plate, reach better disguise, therefore can suitably reduce the distance between diffuser plate and the lamp, and can not have influence on the disguise of lamp, backlight but can be more even.
Description of drawings
Fig. 1 is the structural representation of the LED-backlit module of prior art.
Fig. 2 is the structural representation of LED-backlit module of the present utility model.
Fig. 3 is the structural representation of the LED lamp bar of LED-backlit module of the present utility model.
The specific embodiment
Following content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
See also Fig. 2 to Fig. 3, the utility model provides a kind of LED-backlit module, and it comprises housing 10, LED lamp bar 11, minute surface reflecting part 12, metal backing 13, diffuser plate 14 and blooming 15.Described LED lamp bar 11 is arranged in this housing 10, and this minute surface reflecting part 12 and metal backing 13 set gradually along the light direction of this LED lamp bar 11.The opposite side that is successively set on this LED lamp bar 11 that described diffuser plate 14 and blooming 15 are relative.
Described minute surface reflecting part 12 adopts the specular reflective material of high reflectance.
The operation principle of the LED-backlit module that the utility model provides is, the light direction of LED lamp bar 11 is over against this minute surface reflecting part 12 is set, after the light that LED lamp bar 11 sends is launched through this minute surface reflecting part 12, this LED lamp bar 11 obtains a mirror image in these minute surface reflecting part 12 inside, and the light Rotate 180 degree that this mirror image can send the LED lamp, be equivalent to LED lamp bar is arranged on the mirror image place, thereby increased light to the distance between the diffuser plate.
As shown in Figure 3, described LED lamp bar 11 comprises substrate 110, bracing frame 111, led light source 112 and unthreaded hole 113.Described led light source 112 is arranged on this substrate 110, and described bracing frame 111 supports this substrate 110, and described unthreaded hole 113 is arranged between the adjacent led light source 112, can increase the lighting area that the mirror image lamp reflects light.
Described led light source 112 comprises rgb light source and white light.Described blooming 15 can be provided with multiple collocation as required.
The LED-backlit module that the utility model provides is with respect to prior art, LED lamp bar is oppositely installed, be that light direction is towards the minute surface reflecting part, when LED lamp bar is luminous down, light can send downwards, reflect by the minute surface reflecting part, LED lamp bar can be constituted a mirror image in the minute surface reflecting part, mirror image is equivalent to a light source identical with the module light direction, therefore be equivalent to increase the distance between LED lamp bar and the diffuser plate, lamp shadow to lamp has better disguise, can suitably reduce the distance between fluorescent tube and the diffuser plate, is beneficial to the ultra-thin making of entire module.
Suppose that the distance between common LED module lamp backlight bar and the diffuser plate is a, the distance of lamp bar and reflector plate is that the distance between b lamp bar of the present invention and the diffuser plate is a, the distance of lamp bar and minute surface reflecting part is d, then the disguised parameter of common LED module backlight is a, and the disguised parameter of LED-backlit module of the present utility model is 2d+a, can make entire module become more ultra-thin.
Compared with prior art, the beneficial effects of the utility model are, with the anti-dress of LED lamp bar and bright dipping towards this mirror-reflection section, can form a mirror image in the inside of mirror-reflection section, mirror image can be regarded a light source as, effect after the use is equivalent to LED lamp bar is positioned over the place that doubles lamp bar and mirror-reflection section distance, can increase the distance between emergent ray and the diffuser plate, reach better disguise, therefore can suitably reduce the distance between diffuser plate and the lamp, and can not have influence on the disguise of lamp, backlight but can be more even.
Claims (6)
1. LED-backlit module, it is characterized in that: it comprises housing, LED lamp bar and minute surface reflecting part, described LED lamp bar is arranged in this housing, and the light direction of this LED lamp bar is towards this minute surface reflecting part.
2. LED-backlit module according to claim 1 is characterized in that: described LED lamp bar comprises substrate, bracing frame, led light source and unthreaded hole.
3. LED-backlit module according to claim 2 is characterized in that: described led light source is arranged on this substrate, and described bracing frame supports this substrate, and described unthreaded hole is arranged between the adjacent led light source.
4. LED-backlit module according to claim 2 is characterized in that: described led light source comprises rgb light source and white light.
5. LED-backlit module according to claim 1 is characterized in that: it further comprises metal backing, and described metal backing is arranged on the side away from LED lamp bar of this minute surface reflecting part.
6. LED-backlit module according to claim 1 is characterized in that: its further diffuser plate and blooming, described diffuser plate and blooming be this minute surface reflecting part and be successively set on the opposite side of this LED lamp bar relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203119017U CN201517726U (en) | 2009-09-29 | 2009-09-29 | Led back light module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203119017U CN201517726U (en) | 2009-09-29 | 2009-09-29 | Led back light module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201517726U true CN201517726U (en) | 2010-06-30 |
Family
ID=42498449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203119017U Expired - Fee Related CN201517726U (en) | 2009-09-29 | 2009-09-29 | Led back light module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201517726U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980104A (en) * | 2012-11-30 | 2013-03-20 | 京东方科技集团股份有限公司 | Backlight module and display device utilizing same |
| CN104424858A (en) * | 2013-08-26 | 2015-03-18 | 深圳市康硕展电子有限公司 | Backlight LED display screen |
| CN104566045A (en) * | 2015-01-27 | 2015-04-29 | 创维液晶器件(深圳)有限公司 | Direct-lit backlight module and assembling method thereof |
| CN105242454A (en) * | 2015-10-15 | 2016-01-13 | 广州创维平面显示科技有限公司 | Ultrathin direct illumination-type backlight module and liquid crystal display device |
| CN111308783A (en) * | 2020-03-25 | 2020-06-19 | 深圳市隆利科技股份有限公司 | LED backlight device and display equipment |
-
2009
- 2009-09-29 CN CN2009203119017U patent/CN201517726U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980104A (en) * | 2012-11-30 | 2013-03-20 | 京东方科技集团股份有限公司 | Backlight module and display device utilizing same |
| CN104424858A (en) * | 2013-08-26 | 2015-03-18 | 深圳市康硕展电子有限公司 | Backlight LED display screen |
| CN104566045A (en) * | 2015-01-27 | 2015-04-29 | 创维液晶器件(深圳)有限公司 | Direct-lit backlight module and assembling method thereof |
| CN105242454A (en) * | 2015-10-15 | 2016-01-13 | 广州创维平面显示科技有限公司 | Ultrathin direct illumination-type backlight module and liquid crystal display device |
| CN111308783A (en) * | 2020-03-25 | 2020-06-19 | 深圳市隆利科技股份有限公司 | LED backlight device and display equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FLAT PANEL DISPLAY TECHNOLOGY CENTER, NANHAI, FOSH |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518053 OVERSEAS CHINESE CITY, NANSHAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518053 NO.9008, SHENNAN AVENUE, OVERSEAS CHINESE CITY, NANSHAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101213 Address after: 518053 Nanshan District, Guangdong overseas Chinese town Shennan Road, No. 9008, No. Co-patentee after: Foshan Nanhai Panel Display Technology Center Patentee after: Konka Group Co., Ltd. Address before: 518053 Nanshan District overseas Chinese town, Shenzhen, Guangdong Patentee before: Konka Group Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: FOSHAN NANHAI FLAT PANEL DISPLAY TECHNOLOGY CENTER |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110812 Address after: 518053 Nanshan District, Guangdong overseas Chinese town Shennan Road, No. 9008, No. Co-patentee after: Foshan Nanhai Panel Display Technology Center Patentee after: Konka Group Co., Ltd. Address before: 518053 Nanshan District, Guangdong overseas Chinese town Shennan Road, No. 9008, No. Patentee before: Konka Group Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100630 Termination date: 20140929 |
|
| EXPY | Termination of patent right or utility model |