CN202040778U - Backlight heat dissipation structure and liquid crystal display - Google Patents
Backlight heat dissipation structure and liquid crystal display Download PDFInfo
- Publication number
- CN202040778U CN202040778U CN2011201061057U CN201120106105U CN202040778U CN 202040778 U CN202040778 U CN 202040778U CN 2011201061057 U CN2011201061057 U CN 2011201061057U CN 201120106105 U CN201120106105 U CN 201120106105U CN 202040778 U CN202040778 U CN 202040778U
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- liquid crystal
- crystal display
- radiator structure
- lamp bar
- light source
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Abstract
The utility model relates to a backlight heat dissipation structure and a liquid crystal display with the heat dissipation structure. The liquid crystal display comprises a front frame, an aluminum back plane and the backlight heat dissipation structure. The front frame and the aluminum back plane are fastened with each other, and the backlight heat dissipation structure comprises a lamp strip, a light source installed on the lamp strip, an aluminum bar and a graphite film. The lamp strip is fixed on the aluminum bar which is fixed on the front frame, and the graphite film is clamped between the lamp strip and the aluminum bar and extends to be adhered to the aluminum back plane. The liquid crystal display meets requirements of ultrathin design and is lower in structural cost.
Description
Technical field
The utility model relates to technical field of liquid crystal display, relates in particular to a kind of LED-backlit radiator structure and has the liquid crystal display of this radiator structure.
Background technology
Along with LCD TV high Qinghua development, for the also increase immediately of brightness requirement of liquid crystal display.Employing high-power LED (light emitting diode, Light Emitting Diode) is backlight can well to satisfy brightness requirement.Yet led light source power is big more, the unit heat flow density is high more, in the liquid crystal indicator that uses the big power LED backlight unit, the general at present fin by the embedded extrudate of liquid crystal display contacts with the lamp bar that light source is installed, and fin tends to have certain height in order to reach radiating effect, this just causes whole liquid crystal display thickness to increase, and it is unfavorable for the ultra-thinization development of liquid crystal display.Simultaneously fin is general near the edge strip place of whole liquid crystal display and near liquid crystal layer, thus can the heating fluid crystal layer in the heat radiation process, cause near the brightness at edge strip place dark relatively.Chinese patent 200720005429.5 discloses a kind of LED-backlit module with heat insulation light transmissive material cooling system.Disclosed module backlight includes circuit board, is installed in the led light source on this circuit board and accommodates circuit board and the metal shell of light source in this patent.Above described light source and circuit board, be disposed with leaded light heat dissipation element, heat insulation translucent element and light diffusion element, heat insulation translucent element and the position between the light source around described metal shell both sides or the described metal shell are provided with some cross-ventilations hole, and be provided with the pressure sending out the hot fan at described cross-ventilation hole place, reach the colour balance that reduces temperature in the module backlight, stablize module backlight thus, prolong the module backlight purpose in service life.Yet the installation of fan is unfavorable for the ultra-thinization development of liquid crystal display on the one hand, and the noise that produces when fan rotates on the other hand also is unfavorable for the whole structure of liquid crystal display, if this liquid crystal display is used for LCD TV, can seriously reduce the comfort level that the consumer watches TV.
Therefore, the radiator structure of back light unit in the prior art liquid crystal indicator (particularly big power LED backlight unit) is still not satisfactory, be unfavorable for the ultra-thinization development of liquid crystal display, also can influence the use of liquid crystal indicator simultaneously from different aspects such as vision, the sense of hearings.
The utility model content
Main purpose of the present utility model is to provide a kind of radiator structure backlight, is intended to solve the technical problem that radiator structure backlight in the prior art is unfavorable for ultra-thinization of liquid crystal display.
The utility model proposes a kind of radiator structure backlight, it comprises a lamp bar and is installed in light source on the lamp bar, and an aluminum strip and a graphite film, and this lamp bar is fixed in this aluminum strip, and this graphite film is sandwiched between this lamp bar and this aluminum strip.
Preferably, described graphite film extension is adhered on the aluminium backboard of a liquid crystal display.
Further preferably, the aluminium backboard of described liquid crystal display is offering heat dam near the light source place.
Further preferably, described heat dam is stained with heat insulating strip.
Further preferably, described aluminum strip is fixed on the preceding fram regula of a liquid crystal display.
Further preferably, it further comprises a lampshade, and this lampshade is around this light source and be installed on the lamp bar.
Further preferably, described light source is a light emitting diode.
Another purpose of the utility model is to provide a kind of liquid crystal display with above-mentioned radiator structure backlight, is intended to solve the technical problem that the radiator structure backlight of liquid crystal display in the prior art is unfavorable for its ultra-thinization.
The utility model proposes a kind of liquid crystal display, frame, an aluminium backboard and a radiator structure backlight before it comprises one.Frame and aluminium backboard are fastening mutually before being somebody's turn to do, this radiator structure backlight comprises a lamp bar, is installed in light source, an aluminum strip and a graphite film on the lamp bar, this lamp bar is fixed in this aluminum strip, this aluminum strip is fixed in this preceding frame, and this graphite film is sandwiched between this lamp bar and this aluminum strip and extends and is adhered on the described aluminium backboard.
Preferably, described aluminium backboard is offering heat dam near the light source place, and this heat dam is stained with heat insulating strip.
Further preferably, described light source is a light emitting diode.
The heat that liquid crystal display of the present utility model and radiator structure backlight thereof send light source conducts to preceding fram regula by aluminum strip through the lamp bar on the one hand and distributes, fast most of heat is conducted to liquid crystal display aluminium backboard by the graphite film between lamp bar and the aluminum strip on the other hand and distribute, reach the purpose of timely quick heat radiating, and do not need to rely on the radiator structure of the radiator fan, fin and so on of extra setting, can reduce cost, and, be very beneficial for the ultra-thinization design of liquid crystal display owing to graphite film, aluminum strip etc. all belong to thin material.Further, the heat that can reduce the lamp bar by heat dam, heat insulating strip on the aluminium backboard is to the conduction of liquid crystal display central authorities, reduce the light source heating to the temperature effect that power panel and machine core board cause, when satisfying light source temperature rise requirement, effectively reduce the temperature rise of machine core board and power panel heater members.
Description of drawings
Fig. 1 is the partial structurtes schematic diagram of the liquid crystal display radiator structure backlight of a kind of embodiment of the utility model;
Fig. 2 is the corresponding enlarged diagram at A place among Fig. 1;
Fig. 3 is the partial schematic diagram after the radiator structure conversion viewing angle backlight shown in Figure 1.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Be to be understood that, concrete enforcement described herein is only in order to explain the utility model, and be not used in qualification the utility model, and cited block diagram also only is used for setting forth the applied concrete technical method thought of this signal processing flow, is not limited to the concrete enforcement order and the concrete link of signal processing flow.
Below be that example describes with LED-backlit radiator structure and liquid crystal display, but be not limited to the LED-backlit radiator structure described in the present embodiment and the situation of liquid crystal display.
, be the partial structurtes schematic diagram of the liquid crystal display of a kind of embodiment of the utility model please referring to Fig. 1.Frame 100, an aluminium backboard 106 and a radiator structure backlight before this liquid crystal display 10 comprises one (do not indicate, its concrete structure hereinafter describes in detail).For convenient narration, comprised back light in the radiator structure backlight herein.In view of those skilled in the art's knowing to the common structure of liquid crystal display, this paper is for other common element and structures of constituting liquid crystal display 10 between folder former frame 100 and the aluminium backboard 106, the liquid crystal panel that constitutes such as liquid crystal layer, optical filter, TFT substrate for example, and common LGP etc. describes in detail no longer one by one in back light unit.Be description object with a kind of side-light type liquid crystal display in the present embodiment, but the radiator structure backlight based on the utility model design also can be applicable in the liquid crystal display of direct-type backlight certainly, only needs in the utility model category according to direct-type backlight and side type difference backlight to carry out corresponding change and gets final product.
In the present embodiment, this preceding frame 100 comprises the edge strip 108 around being positioned at, and this preceding frame 100 can be fastening mutually with aluminium backboard 106 by buckle structure on the edge strip 108 or projection etc.This radiator structure backlight comprises a lamp bar 102, a lampshade 103, an aluminum strip 104 and a graphite film 101.Can be referring to Fig. 2 and Fig. 3.This lampshade 103 and together is installed on the lamp bar 102 with led light source 110 around this led light source 110.This lamp bar 102 can be a printed circuit board (PCB), and it is luminous to be used for driving light source.This lamp bar 102 is fixed in this aluminum strip 104, and 104 of this aluminum strips are the edge strip 108 of former frame 100 fixedly.This graphite film 101 is sandwiched between this lamp bar 102 and this aluminum strip 104, and extension is bonded on the aluminium backboard 106.So, the heat that light source 110 produces is delivered to aluminum strip 104 on the one hand successively, can distribute for the edge strip 108 of preceding frame 100 by aluminum strip 104 conduction.On the other hand, heat distributes by the aluminium backboard 106 that the graphite film 101 that is clipped between lamp bar 102 and the aluminum strip 104 conducts most of heat to liquid crystal display fast.Thus, the heat of generation backlight can make full use of in the liquid crystal display 10 original before frame 100 and aluminium backboard 106 distribute, reach the purpose of timely quick heat radiating, and do not need to rely on the radiator structure of the radiator fan, fin and so on of extra setting, can reduce cost, and, be very beneficial for the ultra-thinization design of liquid crystal display owing to graphite film 101, aluminum strip 104 etc. all belong to thin material.
Further, can also offer heat dam near edge strip 108 or light source 110 places at aluminium backboard 106, and be stained with heat insulating strip 105 at heat dam.Setting by heat insulating strip 105, can reduce heat that lamp bar 102 produced to the conduction of liquid crystal display central authorities, thereby can avoid heating the power panel and the machine core board that are installed on the screen left and right sides, when satisfying led light source temperature rise requirement, effectively reduce the temperature rise of heater members such as machine core board and power panel.
In the foregoing description, various elements can be replaced in the utility model is conceived category or be out of shape, and can replace with the bonding jumper of other good heat dispersion performance or nonmetal as aluminum strip 104; Light source 110 also can replace with other similar light sources that satisfies requirement backlight, or the like, enumerate no longer one by one herein.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. radiator structure backlight, it comprises a lamp bar and is installed in light source on this lamp bar, it is characterized in that: this radiator structure backlight further comprises an aluminum strip and a graphite film, and this lamp bar is fixed in this aluminum strip, and this graphite film is sandwiched between this lamp bar and this aluminum strip.
2. radiator structure backlight as claimed in claim 1 is characterized in that: described graphite film extension is adhered on the aluminium backboard of a liquid crystal display.
3. radiator structure backlight as claimed in claim 2 is characterized in that: the aluminium backboard of described liquid crystal display is offering heat dam near the light source place.
4. radiator structure backlight as claimed in claim 3 is characterized in that: described heat dam is stained with heat insulating strip.
5. radiator structure backlight as claimed in claim 1 is characterized in that: described aluminum strip is fixed on the preceding fram regula of a liquid crystal display.
6. radiator structure backlight as claimed in claim 1 is characterized in that: it further comprises a lampshade, and this lampshade is around this light source and be installed on the lamp bar.
7. as any described radiator structure backlight of claim 1-6, it is characterized in that: described light source is a light emitting diode.
8. liquid crystal display, comprise preceding frame, an aluminium backboard and a radiator structure backlight, frame and aluminium backboard are fastening mutually before being somebody's turn to do, this radiator structure backlight comprises a lamp bar and is installed in light source on the lamp bar, it is characterized in that: this radiator structure backlight further comprises an aluminum strip and a graphite film, this lamp bar is fixed in this aluminum strip, and this aluminum strip is fixed in this preceding frame, and this graphite film is sandwiched between this lamp bar and this aluminum strip and extends and is adhered on the described aluminium backboard.
9. liquid crystal display as claimed in claim 8 is characterized in that: described aluminium backboard is offering heat dam near the light source place, and described heat dam is stained with heat insulating strip.
10. as claim 8 or 9 described liquid crystal displays, it is characterized in that: described light source is a light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201061057U CN202040778U (en) | 2011-04-12 | 2011-04-12 | Backlight heat dissipation structure and liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201061057U CN202040778U (en) | 2011-04-12 | 2011-04-12 | Backlight heat dissipation structure and liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202040778U true CN202040778U (en) | 2011-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201061057U Expired - Lifetime CN202040778U (en) | 2011-04-12 | 2011-04-12 | Backlight heat dissipation structure and liquid crystal display |
Country Status (1)
| Country | Link |
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| CN (1) | CN202040778U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374509A (en) * | 2011-12-02 | 2012-03-14 | 深圳市华星光电技术有限公司 | Liquid crystal display device, backlight module and heat radiating method thereof |
| WO2013117010A1 (en) * | 2012-02-09 | 2013-08-15 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| WO2014206003A1 (en) * | 2013-06-26 | 2014-12-31 | 合肥京东方光电科技有限公司 | Light bar, backlight module, and display apparatus |
| CN106597740A (en) * | 2016-12-22 | 2017-04-26 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN108337857A (en) * | 2018-02-01 | 2018-07-27 | 深圳创维－Rgb电子有限公司 | Fixed structure, fixing means and its television set of heat dissipation aluminum strip |
-
2011
- 2011-04-12 CN CN2011201061057U patent/CN202040778U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374509A (en) * | 2011-12-02 | 2012-03-14 | 深圳市华星光电技术有限公司 | Liquid crystal display device, backlight module and heat radiating method thereof |
| WO2013078739A1 (en) * | 2011-12-02 | 2013-06-06 | 深圳市华星光电技术有限公司 | Liquid crystal display device, and backlight module and heat dissipation method thereof |
| WO2013117010A1 (en) * | 2012-02-09 | 2013-08-15 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| WO2014206003A1 (en) * | 2013-06-26 | 2014-12-31 | 合肥京东方光电科技有限公司 | Light bar, backlight module, and display apparatus |
| CN106597740A (en) * | 2016-12-22 | 2017-04-26 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN108337857A (en) * | 2018-02-01 | 2018-07-27 | 深圳创维－Rgb电子有限公司 | Fixed structure, fixing means and its television set of heat dissipation aluminum strip |
| CN108337857B (en) * | 2018-02-01 | 2020-04-07 | 深圳创维－Rgb电子有限公司 | Television receiver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: TCL overseas Electronics (Huizhou) Co., Ltd. Assignor: Shenzhen TCL New Technology Co., Ltd. Contract record no.: 2013440020439 Denomination of utility model: Backlight heat dissipation structure and liquid crystal display Granted publication date: 20111116 License type: Exclusive License Record date: 20131230 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: TCL overseas Electronics (Huizhou) Co., Ltd. Assignor: Shenzhen TCL New Technology Co., Ltd. Contract record no.: 2013440020439 Denomination of utility model: Backlight heat dissipation structure and liquid crystal display Granted publication date: 20111116 License type: Exclusive License Record date: 20131230 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111116 |
|
| CX01 | Expiry of patent term |