CN205157931U - Heat radiation structure and LCD are shaded - Google Patents
Heat radiation structure and LCD are shaded Download PDFInfo
- Publication number
- CN205157931U CN205157931U CN201520912629.3U CN201520912629U CN205157931U CN 205157931 U CN205157931 U CN 205157931U CN 201520912629 U CN201520912629 U CN 201520912629U CN 205157931 U CN205157931 U CN 205157931U
- Authority
- CN
- China
- Prior art keywords
- backlight
- shading
- underframe
- conducting strip
- heat dissipation
- 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
- 230000005855 radiation Effects 0.000 title abstract 3
- 239000003292 glue Substances 0.000 claims description 35
- 239000000758 substrate Substances 0.000 claims description 31
- 230000017525 heat dissipation Effects 0.000 claims description 28
- 239000004973 liquid crystal related substance Substances 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
Abstract
The utility model relates to a heat radiation structure in a poor light, it includes casing, gluey frame, backlight, the circuit board that is shaded, the shading is gluey and the shading conducting strip, wherein, circuit board in a poor light include the intermediate zone that corresponds with the backlight, the first region of the underframe one side of keeping away from the casing and the second district of opposite side, the shading is glued the one end of being close to the underframe and is covered the first region and expose the intermediate zone, the one end of shading conducting strip covers the intermediate zone, and the other end is turned over to roll over and is walked around underframe and attached outside back of the body base plate. The above -mentioned heat radiation structure that is shaded is owing to be provided with the shading conducting strip to the one end of shading conducting strip is attached on back of the body base plate, thereby can transmit the heat of backlight for back of the body base plate through the shading conducting strip, and then has effectively reduced the heat of backlight, has improved the radiating efficiency of backlight. The utility model also discloses a LCD.
Description
Technical field
The utility model relates to field of liquid crystal display, particularly relates to a kind of backlight heat dissipation structure and liquid crystal display.
Background technology
Liquid crystal display heating can affect its performance, and shortens its serviceable life.And the pyrotoxin of liquid crystal display is mainly from backlight, the heating reducing backlight is most important to liquid crystal display.
At present, in liquid crystal display, the associated components of backlight is arranged in the following way: see Fig. 1, housing comprises back of the body substrate 111 ', encloses underframe 112 ' and the frame 113 ' of back of the body substrate 111 ' surrounding, glue frame 120 ' is arranged on housing, in glue frame 120 ', backlight 130 ' is installed, at the side connection backlight wiring board 140 ' of backlight 130 ' away from back of the body substrate 111 ', backlight wiring board 140 ' also extends housing from one end of underframe 112 '; Shading glue 150 ' covers the part that whole backlight wiring board 140 ' is positioned at housing, then attach pet layer (polyethylene terephthalate layer) 170 ' in the outside of the corresponding backlight wiring board 140 ' of shading glue 150 ', pet layer 170 ' is for isolating shading glue and face glass (not shown).Above-mentioned set-up mode, the heat of backlight 130 ' cannot be passed to the external world by shading glue 150 ' and pet layer 170 ' in time, thus the heat of backlight cannot be shed in time, and then affects performance and the serviceable life of liquid crystal display.
Utility model content
Based on this, be necessary, for the low problem of backlight radiating efficiency in liquid crystal display in prior art, to provide the backlight heat dissipation structure that a kind of radiating efficiency is high.
A kind of backlight heat dissipation structure, comprising:
Housing, comprises back of the body substrate and is trapped among underframe and the frame of described back of the body substrate surrounding;
Glue frame, installs on the housing;
Backlight, is arranged on one end near described underframe in described glue frame;
Backlight wiring board, is connected to described backlight away from the side of described back of the body substrate and extends described housing from one end of described underframe; Described backlight wiring board comprises the mesozone corresponding with described backlight, be positioned at described mesozone away from firstth district of described underframe one end and be positioned at secondth district of mesozone near described underframe one end;
And shading glue, for binding liquid crystal display screen;
Wherein,
Described shading glue covers described firstth district near one end of described underframe and exposes described mesozone;
Described backlight heat dissipation structure also comprises:
Shading conducting strip, for being passed to described back of the body substrate by heat;
One end of described shading conducting strip covers described mesozone, and other end reflexed is walked around described underframe and is attached to outside described back of the body substrate.
Above-mentioned backlight heat dissipation structure, owing to being provided with shading conducting strip, and one end of shading conducting strip is attached on back of the body substrate, thus the heat of backlight can be passed to back of the body substrate by shading conducting strip, and then effectively reduce the heat of backlight, improve the radiating efficiency of backlight.
Wherein in an embodiment, described shading conducting strip is graphite heat-conducting fin.
Wherein in an embodiment, the thickness of described shading conducting strip is 0.03 ~ 0.1mm.
Wherein in an embodiment, described shading conducting strip also covers described shading glue one end near described underframe.
Wherein in an embodiment, along the direction away from described underframe, the width that described shading conducting strip covers described shading glue is greater than 0.5mm.
Wherein in an embodiment, along the direction away from described underframe, described shading conducting strip at least covers the region of the corresponding described backlight of described back of the body substrate.
Wherein in an embodiment, the thickness of described shading glue is 0.03 ~ 0.06mm.
Wherein in an embodiment, described housing is iron-clad.
Wherein in an embodiment, described backlight is LED.
The utility model additionally provides a kind of liquid crystal display, and this liquid crystal display module comprises backlight heat dissipation structure provided by the utility model.
Above-mentioned liquid crystal display, owing to adopting backlight heat dissipation structure provided by the utility model, be provided with shading conducting strip, and one end of shading conducting strip is attached on back of the body substrate, thus the heat of backlight can be passed to back of the body substrate by shading conducting strip, and then effectively reduce the heat of backlight, improve the radiating efficiency of backlight, so the heat of liquid crystal display effectively can be reduced.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of the backlight associated components in background technology.
Fig. 2 is the front elevational schematic of the backlight heat dissipation structure of the utility model one embodiment.
Fig. 3 be the backlight heat dissipation structure of Fig. 2 schematic rear view.
Fig. 4 be the backlight heat dissipation structure of Fig. 2 side cross-section schematic diagram.
Fig. 5 is the twocouese assembling schematic diagram of the backlight heat dissipation structure of Fig. 2.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
See Fig. 2-5, the backlight heat dissipation structure 100 of the utility model one embodiment, comprises housing 110, glue frame 120, backlight 130, backlight wiring board 140, shading glue 150 and shading conducting strip 160.
Wherein, housing 110 comprises the back of the body substrate 111, underframe 112 and frame 113, and underframe 112 is trapped among on the base of back of the body substrate 111, and frame 113 is trapped among on other three limits of back of the body substrate 111, also namely says, underframe 112 and frame 113 are trapped among the surrounding of back of the body substrate 111 jointly.In the present embodiment, housing 110 is iron-clad, can improve radiating efficiency further like this.
Wherein, glue frame 120 is arranged on housing 110, and it can be used for fixing backlight 130.
Wherein, backlight 130 is light emitting source in backlight assembly, and its fundamental purpose is for LCDs provides illumination.In the utility model, backlight assembly is side light emitting type backlight, and also namely backlight 130 is positioned at the side of LCDs (not shown), is evenly injected on the incidence surface of LCDs by light by a series of optical devices such as light guide plate.Particularly, backlight 130 is placed in the one end near underframe 112 in glue frame 120, and in other words, light penetrates from the direction away from underframe 112, is injected in LCDs by optical devices.In the present embodiment, backlight 130 is LED, and the thermal value of LED is low, the problem can effectively avoiding backlight to generate heat like this.Certainly, backlight of the present utility model is not limited to LED, can also be other backlight, such as small-sized cold-cathode fluorescence lamp.
Wherein, backlight wiring board 140 is for being connected backlight 130 with control module (not shown), and control module controls backlight 130 by backlight wiring board 140.Backlight wiring board 140 is connected to the side of backlight 130 away from back of the body substrate 111, and extends housing from one end of underframe 112, to be connected with the control module of outside.
According to the difference of position in backlight heat dissipation structure of backlight wiring board 140, backlight wiring board 140 is divided into the first district 141, mesozone 142 and the second district 143.Mesozone 142 is corresponding with backlight 130, and the first district 141 is positioned at mesozone 142 away from underframe 112 side, and the second district 143 is positioned at mesozone 142 opposite side, is also that mesozone 142 is near underframe 112 side.
Wherein, the effect of shading glue 150 is, for binding liquid crystal display screen, and can prevent the light of backlight 130 from oozing out from the edge of LCDs.In the utility model, shading glue 150 covers the first district 141 of backlight wiring board 140 near one end of underframe 112, and expose mesozone 142, that is, along the direction near underframe, shading glue 150 only extends to the first district 141, and does not extend to mesozone 142, thus mesozone 142 is not blocked glue 150 covered.Usually, the thickness of shading glue is 0.03 ~ 0.06mm.
Wherein, the effect of shading conducting strip 160 is, for the heat of backlight 130 being passed to back of the body substrate 111, being distributed by heat, thus reach the object improving radiating efficiency by back of the body substrate 111.The conducting strip of shading simultaneously 160 also blocks backlight 130 light.One end of shading conducting strip 160 covers the mesozone 142 of backlight wiring board 140, and other end reflexed is walked around underframe 112 and is attached to outside back of the body substrate 111.
In the present embodiment, shading conducting strip 160 is graphite heat-conducting fin.
Particularly, the thickness of shading conducting strip 160 is 0.03 ~ 0.1mm.The radiating efficiency of shading conducting strip 160 can be improved so further.
For optimizing the radiating efficiency of shading conducting strip 160 further, in the present embodiment, along the direction away from underframe 112, shading conducting strip 160 at least covers the region of the corresponding backlight 130 of back of the body substrate 111; That is, the other end of anti-dazzling screen 160 at least extends upwardly beyond the height at backlight place after walking around underframe.The contact area with back of the body substrate 111 can be increased like this, improve the radiating efficiency of shading conducting strip 160 further.
In the present embodiment, the also covering shading glue 150 of shading conducting strip 160 is near one end of underframe 112.That is, shading conducting strip also continues to extend to the direction away from underframe 112 and partly covers shading glue.Can prevent light from appearing from the bad seam of part of shading conducting strip 160 and shading glue 150 like this.Particularly, along the direction away from underframe 112, the width that shading conducting strip 160 covers shading glue 150 is greater than 0.5mm.
Certainly, in the utility model, shading conducting strip 160 also can not cover shading glue 150, but is close to setting with shading glue 150.
Backlight heat dissipation structure of the present utility model, owing to being provided with shading conducting strip, and one end of shading conducting strip is attached on back of the body substrate, thus the heat of backlight can be passed to back of the body substrate by shading conducting strip, and then effectively reduce the heat of backlight, improve the radiating efficiency of backlight.
The utility model additionally provides a kind of liquid crystal display.
A kind of liquid crystal display, this liquid crystal display module comprises backlight heat dissipation structure provided by the utility model.
Above-mentioned liquid crystal display, owing to adopting backlight heat dissipation structure provided by the utility model, so effectively can reduce the heat of liquid crystal display.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a backlight heat dissipation structure, comprising:
Housing, comprises back of the body substrate and is trapped among underframe and the frame of described back of the body substrate surrounding;
Glue frame, installs on the housing;
Backlight, is arranged on one end near described underframe in described glue frame;
Backlight wiring board, is connected to described backlight away from the side of described back of the body substrate and extends described housing from one end of described underframe; Described backlight wiring board comprises the mesozone corresponding with described backlight, be positioned at described mesozone away from firstth district of described underframe one end and be positioned at secondth district of mesozone near described underframe one end;
And shading glue, for binding liquid crystal display screen;
It is characterized in that,
Described shading glue covers described firstth district near one end of described underframe and exposes described mesozone;
Described backlight heat dissipation structure also comprises:
Shading conducting strip, for being passed to described back of the body substrate by heat;
One end of described shading conducting strip covers described mesozone, and other end reflexed is walked around described underframe and is attached to outside described back of the body substrate.
2. backlight heat dissipation structure according to claim 1, is characterized in that, described shading conducting strip is graphite heat-conducting fin.
3. backlight heat dissipation structure according to claim 1, is characterized in that, the thickness of described shading conducting strip is 0.03 ~ 0.1mm.
4. backlight heat dissipation structure according to claim 1, is characterized in that, described shading conducting strip also covers described shading glue one end near described underframe.
5. backlight heat dissipation structure according to claim 4, is characterized in that, along the direction away from described underframe, the width that described shading conducting strip covers described shading glue is greater than 0.5mm.
6. backlight heat dissipation structure according to claim 1, is characterized in that, along the direction away from described underframe, described shading conducting strip at least covers the region of the corresponding described backlight of described back of the body substrate.
7. backlight heat dissipation structure according to claim 1, is characterized in that, the thickness of described shading glue is 0.03 ~ 0.06mm.
8. backlight heat dissipation structure according to claim 1, is characterized in that, described housing is iron-clad.
9. backlight heat dissipation structure according to claim 1, is characterized in that, described backlight is LED.
10. a liquid crystal display, is characterized in that, described liquid crystal display comprises the backlight heat dissipation structure described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520912629.3U CN205157931U (en) | 2015-11-13 | 2015-11-13 | Heat radiation structure and LCD are shaded |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520912629.3U CN205157931U (en) | 2015-11-13 | 2015-11-13 | Heat radiation structure and LCD are shaded |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205157931U true CN205157931U (en) | 2016-04-13 |
Family
ID=55693607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520912629.3U Expired - Fee Related CN205157931U (en) | 2015-11-13 | 2015-11-13 | Heat radiation structure and LCD are shaded |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205157931U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107037634A (en) * | 2017-06-26 | 2017-08-11 | 武汉天马微电子有限公司 | Display device |
| CN107238975A (en) * | 2017-07-28 | 2017-10-10 | 信利半导体有限公司 | A kind of backlight module and display module |
| WO2019000711A1 (en) * | 2017-06-28 | 2019-01-03 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN109633983A (en) * | 2019-02-18 | 2019-04-16 | 京东方科技集团股份有限公司 | A kind of backlight module and display module |
-
2015
- 2015-11-13 CN CN201520912629.3U patent/CN205157931U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107037634A (en) * | 2017-06-26 | 2017-08-11 | 武汉天马微电子有限公司 | Display device |
| WO2019000711A1 (en) * | 2017-06-28 | 2019-01-03 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN107238975A (en) * | 2017-07-28 | 2017-10-10 | 信利半导体有限公司 | A kind of backlight module and display module |
| CN109633983A (en) * | 2019-02-18 | 2019-04-16 | 京东方科技集团股份有限公司 | A kind of backlight module and display module |
| CN109633983B (en) * | 2019-02-18 | 2021-11-05 | 京东方科技集团股份有限公司 | Backlight module and display module |
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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: 516000 Guangdong province Huizhou Zhongkai hi tech Development Zone No. 23 District Patentee after: CHINA DISPLAY OPTOELECTRONICS TECHNOLOGY (HUIZHOU) Co.,Ltd. Address before: 516000 Guangdong province Huizhou Zhongkai hi tech Development Zone No. 23 District Patentee before: TCL DISPLAY TECHNOLOGY (HUIZHOU) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |