CN201885077U - Side light type back light module and liquid crystal display (LCD) - Google Patents
Side light type back light module and liquid crystal display (LCD) Download PDFInfo
- Publication number
- CN201885077U CN201885077U CN2010206107993U CN201020610799U CN201885077U CN 201885077 U CN201885077 U CN 201885077U CN 2010206107993 U CN2010206107993 U CN 2010206107993U CN 201020610799 U CN201020610799 U CN 201020610799U CN 201885077 U CN201885077 U CN 201885077U
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- light type
- module backlight
- light
- backboard
- light source
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 9
- 230000005855 radiation Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001795 light effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000005142 aphototropism Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
The utility model provides a side light type back light module and a liquid crystal display (LCD). The side light type back light module comprises a light source assembly, a light guide plate, a reflecting plate and a back plate, wherein the light source assembly is arranged at the side edge of the light guide plate, the reflecting plate is arranged at the bottom of the light guide plate, and the light source assembly, the light guide plate and the reflecting plate are arranged on the bottom plate of the back plate; the light source assembly comprises a lamp strip and a radiating plate which comprises a first part and a second part connected with each other, the first part is combined with the lamp strip, and the second part is combined with the back plate; and the bottom plate of the back plate, corresponding to the position of the second part, is provided with an opening hole. The utility model also provides the LCD. The side light type back light module and the LCD have good radiating effect, thus improving the light effect and prolonging the service life.
Description
Technical field
The utility model relates to lcd technology, relates in particular to a kind of side-light type module backlight and LCD.
Background technology
LCD is a flat-panel monitor commonly used at present, and wherein Thin Film Transistor-LCD (ThinFilm Transistor Liquid Crystal Display is called for short TFT-LCD) is the main product in the LCD.
Module backlight is the vitals of LCD, for LCD provides light source, typical structure has two kinds of side-light type module backlight and down straight aphototropism mode set, because side-light type module backlight can be done very thinly, be adapted to lighter, the thinner developing direction of LCD, so it becomes the main flow of present module development backlight.Fig. 1 is the sectional structure chart of prior art module backlight, as shown in fig. 1, typical side-light type module backlight comprises light source assembly, backboard 1, LGP 2 and reflecting plate 3 etc., light source assembly is arranged on the side of LGP 2, reflecting plate 3 is arranged on the bottom of this LGP 2, and light source assembly, LGP 2 and reflecting plate 3 all are positioned in the backboard 1.The structure of light source assembly is: light source chip 4 is arranged on the printed circuit board (PCB) (Printed Circuit Board is called for short PCB) 5 and forms the lamp bar, and this lamp bar is arranged on the heat sink 6, and is fixed on the backboard 1 with this heat sink 6.
But in the course of the work, light source chip produces great thermal force, and the light source chip temperature raises, and not only can reduce light efficiency, and can the serious service life that shortens light source chip.
The utility model content
The utility model provides a kind of side-light type module backlight and LCD, realizing side-light type module backlight thermal diffusivity preferably, thus the light efficiency and the service life of improving side-light type module backlight.
The utility model provides a kind of side-light type module backlight, comprise light source assembly, LGP, reflecting plate and backboard, described light source assembly is arranged on the side of described LGP, described reflecting plate is arranged on the bottom of described LGP, and described light source assembly, LGP and reflecting plate are arranged on the base plate of described backboard;
Described light source assembly comprises lamp bar and heat sink, and described heat sink comprises first connected to one another and second portion, and described first engages with described lamp bar, and described second portion engages with described backboard;
Position corresponding to the heat sink second portion on the base plate of described backboard is formed with perforate.
Aforesaid side-light type module backlight, wherein, described lamp bar comprises: led chip and printed circuit board (PCB), described led chip are arranged on described printed circuit board (PCB) to deviate from the surface of described heat sink.
Aforesaid side-light type module backlight, wherein, the second portion of described heat sink comprises the bulge-structure and the snap-in structure that is used to engage described backboard that is used for extending to by described perforate described backboard outside.
Aforesaid side-light type module backlight, wherein, the bulge-structure that described second portion stretches out described backboard outside is a zigzag heat radiation gear piece.
Aforesaid side-light type module backlight, wherein, the quantity of described lamp bar is a plurality of, is around in four sides of described LGP.
The utility model also provides a kind of LCD, comprises liquid crystal panel, also comprises the side-light type module backlight that the utility model provides, and the light source assembly of described side-light type module backlight is arranged on the side of described liquid crystal panel.
The side-light type that the utility model provides module backlight and LCD, engage with the lamp bar by first heat sink, the second portion of heat sink is engaged with backboard, and the position corresponding to second portion is provided with perforate on backboard, thereby has realized radiating efficiency height light efficiency side-light type good, long service life module backlight.
Description of drawings
Fig. 1 is the sectional structure chart of prior art module backlight.
The sectional structure chart of the side-light type module backlight that Fig. 2 provides for the utility model embodiment one.
The side-light type module dorsulum backlight that Fig. 3 provides for the utility model embodiment one face structure chart.
The sectional structure chart of the side-light type module backlight that Fig. 4 provides for the utility model embodiment two.
The side-light type module backlight that Fig. 5 provides for the utility model embodiment two along A-A cut open to structural representation.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one
The sectional structure chart of the side-light type module backlight that Fig. 2 provides for the utility model embodiment one.As shown in Figure 2, side-light type module backlight comprises light source assembly, LGP 100, reflecting plate 200 and backboard 300.Concrete structure closes: light source assembly is arranged on the side of LGP 100, reflecting plate 200 is arranged on the bottom of LGP 100, backboard 300 is the supporting construction of this side-light type module backlight, and light source assembly, LGP 100 and reflecting plate 200 are arranged on the base plate 310 of backboard 300.
In the side-light type of present embodiment module backlight, light source assembly comprises lamp bar 410 and heat sink 420, heat sink 420 comprises first 421 connected to one another and second portion 422, and first 421 engages with lamp bar 410, and second portion 422 engages with backboard 300.Position corresponding to the second portion 422 of heat sink 420 on the base plate 310 of backboard 300 is formed with perforate 330.
When the side-light type of present embodiment module backlight was worked, lamp bar 410 was luminous, and distributes a large amount of heats in luminous, and lamp bar 410 dispels the heat by heat sink 420.Heat sink 420 by radiating effect preferably material make aluminium for example.The heat that lamp bar 410 distributes conducts to the first 421 that heat sink 420 engages with lamp bar 410, and further conducts to the second portion 422 that heat sink 420 engages with the base plate 310 of backboard 300.Second portion 422 is positioned at the position that base plate 310 closes in first 421.
The side-light type module dorsulum backlight that Fig. 3 provides for the utility model embodiment one face structure chart.As shown in Figure 3, backboard 300 comprises base plate 310 and is around in base plate 310 sidewall 320 on every side.Base plate 310 is provided with a plurality of perforates 330, and the position of this formation perforate 330 is the position corresponding to the second portion 422 of heat sink 420.This perforate 330 makes directly contact extraneous airs of second portion 422, thereby makes that the lamp bar is 410 that distribute, the heat that conducts to second portion 422 is by carrying out heat exchange with extraneous air and distributing rapidly.
The technical scheme of present embodiment is owing to be formed with perforate 330 on the base plate 310 of backboard 300, and the part of heat sink 420 contacts with extraneous air by this perforate 330, thereby improved the radiating efficiency of heat sink 420, reduce the temperature of lamp bar 410, both can avoid lamp bar 410 to produce light decay because of temperature is too high, also can prolong the service life of lamp bar 410.
In the above-described embodiments, lamp bar 410 can comprise led chip and printed circuit board (PCB), and led chip is arranged on printed circuit board (PCB) to deviate from the surface of heat sink 420.
Embodiment two
The sectional structure chart of the side-light type module backlight that Fig. 4 provides for the utility model embodiment two.As shown in Figure 4, on the basis of the side-light type module backlight that embodiment one provides, the second portion 422 of the heat sink 420 of present embodiment comprises the bulge-structure 430 and the snap-in structure 440 that is used to engage backboard 300 that is used for extending to by perforate 330 backboard 300 outsides.
In the present embodiment, heat sink 420 can have structure as shown in Figure 5.The side-light type module backlight that Fig. 5 provides for the utility model embodiment two along A-A cut open to structural representation.As shown in Figure 5, second portion 422 bulge-structure 430 that stretches out backboard 300 outsides is zigzag heat radiation gear piece.
The technical scheme of present embodiment is because the second portion 422 of heat sink 420 extends to backboard 300 outsides by perforate 330, and externally the effect of air draught can improve the radiating efficiency of heat sink 420 down, thereby improves the radiating efficiency of this side-light type module backlight.The bulge-structure 430 that stretches out backboard 300 outsides when second portion 422 is during for zigzag heat radiation gear piece, also owing to increased area of dissipation, thereby further improved the radiating efficiency of this side-light type module backlight.
In the above-described embodiments, the quantity of lamp bar 410 can be around in four sides of LGP 100 for a plurality of.
The utility model also provides a kind of LCD, comprises liquid crystal panel, also comprises the side-light type module backlight that the utility model any embodiment provides, and the light source assembly of side-light type module backlight is arranged on the side of liquid crystal panel.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (6)
1. side-light type module backlight, comprise light source assembly, LGP, reflecting plate and backboard, described light source assembly is arranged on the side of described LGP, described reflecting plate is arranged on the bottom of described LGP, described light source assembly, LGP and reflecting plate are arranged on the base plate of described backboard, it is characterized in that:
Described light source assembly comprises lamp bar and heat sink, and described heat sink comprises first connected to one another and second portion, and described first engages with described lamp bar, and described second portion engages with described backboard;
Position corresponding to the heat sink second portion on the base plate of described backboard is formed with perforate.
2. side-light type according to claim 1 module backlight is characterized in that, described lamp bar comprises: led chip and printed circuit board (PCB), described led chip are arranged on described printed circuit board (PCB) to deviate from the surface of described heat sink.
3. side-light type according to claim 1 module backlight is characterized in that: the second portion of described heat sink comprises the bulge-structure and the snap-in structure that is used to engage described backboard that is used for extending to by described perforate described backboard outside.
4. side-light type according to claim 3 module backlight is characterized in that: the bulge-structure that described second portion stretches out described backboard outside is a zigzag heat radiation gear piece.
5. side-light type according to claim 1 module backlight is characterized in that: the quantity of described lamp bar is a plurality of, is around in four sides of described LGP.
6. a LCD comprises liquid crystal panel, it is characterized in that, also comprises the arbitrary described side-light type of claim 1～5 module backlight, and the light source assembly of described side-light type module backlight is arranged on the side of described liquid crystal panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206107993U CN201885077U (en) | 2010-11-16 | 2010-11-16 | Side light type back light module and liquid crystal display (LCD) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206107993U CN201885077U (en) | 2010-11-16 | 2010-11-16 | Side light type back light module and liquid crystal display (LCD) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201885077U true CN201885077U (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206107993U Expired - Lifetime CN201885077U (en) | 2010-11-16 | 2010-11-16 | Side light type back light module and liquid crystal display (LCD) |
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| CN (1) | CN201885077U (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588848A (en) * | 2012-03-13 | 2012-07-18 | 创维液晶器件(深圳)有限公司 | Lateral light-entering type LED liquid crystal backlight module |
| CN102606963A (en) * | 2012-04-09 | 2012-07-25 | 创维液晶器件(深圳)有限公司 | Direct type LED liquid crystal backlight module |
| CN102621744A (en) * | 2012-04-16 | 2012-08-01 | 深圳市华星光电技术有限公司 | Liquid crystal display device |
| CN102997077A (en) * | 2011-09-13 | 2013-03-27 | 苏州益而益光电有限公司 | Panel lamp |
| WO2013053142A1 (en) * | 2011-10-12 | 2013-04-18 | 深圳市华星光电技术有限公司 | Led backlight module and liquid crystal display device |
| WO2013155748A1 (en) * | 2012-04-19 | 2013-10-24 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| WO2013166747A1 (en) * | 2012-05-09 | 2013-11-14 | 深圳市华星光电技术有限公司 | Backlight module |
| WO2013170531A1 (en) * | 2012-05-15 | 2013-11-21 | 深圳市华星光电技术有限公司 | Backlight module and display device |
| WO2014029141A1 (en) * | 2012-08-22 | 2014-02-27 | 深圳市华星光电技术有限公司 | Side light backlight module |
| WO2014047965A1 (en) * | 2012-09-26 | 2014-04-03 | 深圳市华星光电技术有限公司 | Reflector, backlight module and liquid crystal display |
| CN105739174A (en) * | 2016-02-04 | 2016-07-06 | 京东方科技集团股份有限公司 | Backlight module and display device with same |
| WO2017080197A1 (en) * | 2015-11-13 | 2017-05-18 | 乐视控股（北京）有限公司 | Heat dissipation structure and terminal |
| CN108594536A (en) * | 2018-07-02 | 2018-09-28 | 惠科股份有限公司 | Backlight module and display screen |
| CN109031793A (en) * | 2018-10-15 | 2018-12-18 | 四川长虹电器股份有限公司 | Liquid crystal display |
| CN111123582A (en) * | 2019-12-28 | 2020-05-08 | 苏州视达讯远电子科技有限公司 | Side-entry high-brightness backlight module convenient for heat dissipation |
| CN112422861A (en) * | 2020-11-05 | 2021-02-26 | 重庆惠科金渝光电科技有限公司 | Backplate subassembly, display screen and TV set |
-
2010
- 2010-11-16 CN CN2010206107993U patent/CN201885077U/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997077A (en) * | 2011-09-13 | 2013-03-27 | 苏州益而益光电有限公司 | Panel lamp |
| US8593589B2 (en) | 2011-10-12 | 2013-11-26 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | LED back light module and liquid crystal display device |
| WO2013053142A1 (en) * | 2011-10-12 | 2013-04-18 | 深圳市华星光电技术有限公司 | Led backlight module and liquid crystal display device |
| CN102588848A (en) * | 2012-03-13 | 2012-07-18 | 创维液晶器件(深圳)有限公司 | Lateral light-entering type LED liquid crystal backlight module |
| CN102606963A (en) * | 2012-04-09 | 2012-07-25 | 创维液晶器件(深圳)有限公司 | Direct type LED liquid crystal backlight module |
| CN102621744B (en) * | 2012-04-16 | 2015-04-15 | 深圳市华星光电技术有限公司 | Liquid crystal display device |
| CN102621744A (en) * | 2012-04-16 | 2012-08-01 | 深圳市华星光电技术有限公司 | Liquid crystal display device |
| WO2013155748A1 (en) * | 2012-04-19 | 2013-10-24 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| WO2013166747A1 (en) * | 2012-05-09 | 2013-11-14 | 深圳市华星光电技术有限公司 | Backlight module |
| WO2013170531A1 (en) * | 2012-05-15 | 2013-11-21 | 深圳市华星光电技术有限公司 | Backlight module and display device |
| WO2014029141A1 (en) * | 2012-08-22 | 2014-02-27 | 深圳市华星光电技术有限公司 | Side light backlight module |
| WO2014047965A1 (en) * | 2012-09-26 | 2014-04-03 | 深圳市华星光电技术有限公司 | Reflector, backlight module and liquid crystal display |
| WO2017080197A1 (en) * | 2015-11-13 | 2017-05-18 | 乐视控股（北京）有限公司 | Heat dissipation structure and terminal |
| CN105739174A (en) * | 2016-02-04 | 2016-07-06 | 京东方科技集团股份有限公司 | Backlight module and display device with same |
| CN108594536A (en) * | 2018-07-02 | 2018-09-28 | 惠科股份有限公司 | Backlight module and display screen |
| CN109031793A (en) * | 2018-10-15 | 2018-12-18 | 四川长虹电器股份有限公司 | Liquid crystal display |
| CN109031793B (en) * | 2018-10-15 | 2024-02-06 | 四川长虹电器股份有限公司 | Liquid crystal display device having a light shielding layer |
| CN111123582A (en) * | 2019-12-28 | 2020-05-08 | 苏州视达讯远电子科技有限公司 | Side-entry high-brightness backlight module convenient for heat dissipation |
| CN112422861A (en) * | 2020-11-05 | 2021-02-26 | 重庆惠科金渝光电科技有限公司 | Backplate subassembly, display screen and TV set |
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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: 20110629 |