CN105158971A - Heat dissipation structure, backlight source and display device - Google Patents
Heat dissipation structure, backlight source and display device Download PDFInfo
- Publication number
- CN105158971A CN105158971A CN201510536884.7A CN201510536884A CN105158971A CN 105158971 A CN105158971 A CN 105158971A CN 201510536884 A CN201510536884 A CN 201510536884A CN 105158971 A CN105158971 A CN 105158971A
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- CN
- China
- Prior art keywords
- radiator structure
- backlight
- hole
- light emitting
- emitting source
- 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.)
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133628—Illuminating devices with cooling means
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention provides a heat dissipation structure, a backlight source and a display device. The heat dissipation structure comprises a heat dissipation body. Through holes allowing luminous sources to be embedded therein are formed in the heat dissipation body. According to the heat dissipation structure, the heat dissipation area of the luminous sources in the backlight source can be effectively increased, heat transmitted to a light guide plate and an optical membrane is reduced, the heat dissipation effect of the whole backlight source is improved accordingly, and poor display caused by temperature distortion of the optical membrane and the light guide plate can be avoided.
Description
Technical field
The present invention relates to display field, particularly relate to a kind of radiator structure, backlight and display device.
Background technology
Due to liquid crystal display (LiquidCrystalDisplay, LCD) there is low diathermaneity, the feature such as volume is light, weight is little and power consumption is low, instead of traditional cathode-ray tube (CRT) (CathodeRayTube gradually, CRT) display, be widely used in the fields such as desktop computer, notebook computer, personal digital assistant (PersonalDigitalAssistant, PDA), mobile phone, TV.
Existing liquid crystal display mainly comprises display panels and backlight, because display panels itself can not be luminous, so need to rely on the backlight of liquid crystal display inside to provide light source for it, but in the process of backlight work, LED lamp bar (LEDBAR) thermal value is larger, if backlight radiating effect is poor, heat is easy to be passed on light guide plate and other blooming pieces, causes blooming piece and light conducting board from deformation, and then causes display bad.
Summary of the invention
(1) technical matters that will solve
The technical problem to be solved in the present invention is: the radiating effect how improving backlight in liquid crystal display.
(2) technical scheme
For solving the problems of the technologies described above, technical scheme of the present invention provides a kind of radiator structure, comprises heat sink body, described heat sink body is provided with the through hole for embedding light emitting source.
Preferably, the shape of described through hole and the mating shapes of described light emitting source, when described light emitting source embeds described through hole, inwall and the described light emitting source of described through hole fit tightly.
Preferably, the material of described heat sink body comprises: graphite, copper, aluminium.
Preferably, described heat sink body comprises the Part I for arranging described through hole and is connected for heat conducting Part II with described Part I.
Preferably, described Part II is used for contacting with the backboard in backlight, with the heat conduction sent by described light emitting source to described backboard.
Preferably, described Part II and described Part I are that L shape is arranged.
Preferably, described Part I is provided with multiple described through hole, each through hole is for embedding a described light emitting source.
For solving the problems of the technologies described above, present invention also offers a kind of backlight, comprise above-mentioned radiator structure and the LED as light emitting source, described LED is embedded in the through hole of described radiator structure.
Preferably, described backlight also comprises backboard, and described radiator structure contacts with described backboard.
Preferably, gap is provided with between described LED and light guide plate.
For solving the problems of the technologies described above, present invention also offers a kind of display device, comprising above-mentioned backlight.
(3) beneficial effect
Radiator structure provided by the invention, effectively can improve the area of dissipation of light emitting source in backlight, reduce the heat that is passed on light guide plate and blooming piece, thus improve the radiating effect of whole backlight, the display that causes due to blooming piece and light guide plate temperature distortion can be avoided bad.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of radiator structure that embodiment of the present invention provides;
Fig. 2 is the schematic diagram of the radiator structure embedding light emitting source in Fig. 1;
Fig. 3 is the schematic diagram of a kind of backlight that embodiment of the present invention provides;
Fig. 4 is the schematic diagram of the another kind of backlight that embodiment of the present invention provides;
Fig. 5 is the schematic diagram of a kind of display device that embodiment of the present invention provides;
Fig. 6 is the schematic diagram of the another kind of display device that embodiment of the present invention provides.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Embodiment of the present invention provides a kind of radiator structure, comprises heat sink body, described heat sink body is provided with the through hole for embedding light emitting source.
The radiator structure that embodiment of the present invention provides, may be used for the backlight in liquid crystal display, by the light emitting source in backlight being embedded in the through hole in heat sink body, effectively can improve the area of dissipation of light emitting source in backlight, reduce the heat be passed on light guide plate and blooming piece, thus improve the radiating effect of whole backlight, the display that causes due to blooming piece and light guide plate temperature distortion can be avoided bad.
See Fig. 1, Fig. 1 is the schematic diagram of a kind of radiator structure that embodiment of the present invention provides, this radiator structure comprises heat sink body 10, this heat sink body comprises connected Part I 11 and Part II 12, wherein, Part I 11 is provided with multiple through hole 13, each through hole 13 is for embedding a light emitting source, Part II 12 is used as heat-conduction part, the heat conduction sent by light emitting source is in other structures, such as, when this radiator structure is used for the backlight in liquid crystal display, its Part II can contact with the backboard in backlight, thus the heat conduction sent by light emitting source gives out to backboard,
Preferably, in order to improve the radiating effect of light emitting source further, on heat sink body through hole shape can with the mating shapes of light emitting source, as shown in Figure 2, when light emitting source 21 embeds through hole, inwall and the light emitting source 21 of through hole fit tightly, the heat that light emitting source is sent can conduct to other structures by this radiator structure in time, such as, if the backlight of liquid crystal display adopts the LED of square, the through hole of correspondingly-shaped then can be offered on heat sink body, when LED is embedded in through hole, the inwall of four of LED sidewalls and through hole can be made to fit tightly.
Wherein, for improving radiating effect, in above-mentioned radiator structure, heat sink body can adopt graphite, copper, aluminium or the good material of other thermal conductivity.
In addition, present invention also offers a kind of backlight, comprise above-mentioned radiator structure, see Fig. 3, Fig. 3 is the schematic diagram of a kind of backlight that embodiment of the present invention provides, and this backlight comprises backboard 40, light guide plate (LGP) 30, LED lamp bar 20, radiator structure;
Wherein, LED lamp bar 20 is provided with multiple LED 21, as the light emitting source of backlight;
Radiator structure comprises heat sink body, this heat sink body comprises connected Part I 11 and Part II 12, both are arranged in L shape, and wherein, Part I 11 is arranged on incidence surface 31 side of light guide plate 30, be provided with multiple through hole, the incidence surface of each through hole and light guide plate is just to setting, and for embedding a LED in LED lamp bar 20, Part II 12 is used as heat-conduction part, the U folding part of itself and backboard fits tightly, thus heat conduction LED sent is to backboard and then give out;
As shown in Figure 3, in order to reduce the heat conducting to light guide plate further, can make to keep gap between the Part II of above-mentioned radiator structure and light guide plate, preventing the heat on radiator structure from conducting in a large number in light guide plate;
In addition, in backlight provided by the invention, LED 21 can fit tightly with light guide plate as shown in Figure 3, also certain gap (gap) can be kept as shown in Figure 4 with light guide plate, such as, for lower-powered backlight, the heat that light emitting source sends is less, for improving the utilization factor of light, ensure the uniformity of light guide plate bright dipping, as shown in Figure 3 LED 21 and light guide plate can be fitted tightly, and for the larger backlight of power, the heat sent due to light emitting source is more, in order to reduce the heat conducting to light guide plate, then as shown in Figure 4 gap can be set between LED and light guide plate.
The backlight that embodiment of the present invention provides, by LED is wherein embedded in the through hole of radiator structure, the sidewall of LED and the inwall of through hole are fitted tightly, at LED adstante febre, the heat that LED gives out can be absorbed to greatest extent by this radiator structure, and be passed to backboard and distribute, thus improve the radiating effect of whole backlight, and then the display that causes due to blooming piece and light guide plate temperature distortion can be avoided bad.
Embodiment of the present invention additionally provides a kind of display device, comprises above-mentioned backlight.
See the schematic diagram that Fig. 5, Fig. 5 are a kind of display device that embodiment of the present invention provides, this display device comprises the backlight shown in display panels 50 and Fig. 3;
See the schematic diagram that Fig. 6, Fig. 6 are the another kind of display device that embodiment of the present invention provides, this display device comprises the backlight shown in display panels 50 and Fig. 4.
Wherein, the display device that embodiment of the present invention provides can be any product or parts with Presentation Function such as note-book computer display screen, liquid crystal display, LCD TV, digital album (digital photo frame), mobile phone, panel computer.
Above embodiment is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (11)
1. a radiator structure, is characterized in that, comprises heat sink body, described heat sink body is provided with the through hole for embedding light emitting source.
2. radiator structure according to claim 1, is characterized in that, the shape of described through hole and the mating shapes of described light emitting source, and when described light emitting source embeds described through hole, inwall and the described light emitting source of described through hole fit tightly.
3. radiator structure according to claim 1, is characterized in that, the material of described heat sink body comprises: graphite, copper, aluminium.
4. radiator structure according to claim 1, is characterized in that, described heat sink body comprises the Part I for arranging described through hole and is connected for heat conducting Part II with described Part I.
5. radiator structure according to claim 4, is characterized in that, described Part II is used for contacting with the backboard in backlight, with the heat conduction sent by described light emitting source to described backboard.
6. radiator structure according to claim 4, is characterized in that, described Part II and described Part I are that L shape is arranged.
7. radiator structure according to claim 4, is characterized in that, described Part I is provided with multiple described through hole, and each through hole is for embedding a described light emitting source.
8. a backlight, is characterized in that, comprise the arbitrary described radiator structure of claim 1-7 and the LED as light emitting source, described LED is embedded in the through hole of described radiator structure.
9. backlight according to claim 8, is characterized in that, described backlight also comprises backboard, and described radiator structure contacts with described backboard.
10. backlight according to claim 8, is characterized in that, is provided with gap between described LED and light guide plate.
11. 1 kinds of display device, is characterized in that, comprise the arbitrary described backlight of claim 8-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510536884.7A CN105158971B (en) | 2015-08-27 | 2015-08-27 | Radiator structure, backlight and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510536884.7A CN105158971B (en) | 2015-08-27 | 2015-08-27 | Radiator structure, backlight and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105158971A true CN105158971A (en) | 2015-12-16 |
| CN105158971B CN105158971B (en) | 2018-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510536884.7A Expired - Fee Related CN105158971B (en) | 2015-08-27 | 2015-08-27 | Radiator structure, backlight and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105158971B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019080327A1 (en) * | 2017-10-25 | 2019-05-02 | 惠科股份有限公司 | Backlight module and liquid crystal display device |
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| CN1612022A (en) * | 2003-10-28 | 2005-05-04 | 三菱电机株式会社 | Liquid crystal display apparatus and electronic equipment |
| CN1716041A (en) * | 2004-06-29 | 2006-01-04 | 京瓷株式会社 | Liquid crystal display device |
| JP2006216244A (en) * | 2005-02-01 | 2006-08-17 | Toshiba Matsushita Display Technology Co Ltd | Led backlight and liquid crystal display device |
| CN101949506A (en) * | 2010-09-20 | 2011-01-19 | 深圳市华星光电技术有限公司 | Light-emitting diode lamp strip structure with heat radiating function |
| CN102313210A (en) * | 2011-09-09 | 2012-01-11 | 深圳市华星光电技术有限公司 | Backlight module group and liquid crystal display |
| CN103672620A (en) * | 2013-12-16 | 2014-03-26 | 深圳市华星光电技术有限公司 | Backlight module |
| US20140218618A1 (en) * | 2013-02-05 | 2014-08-07 | Funai Electric Co., Ltd. | Display Device |
| CN104520759A (en) * | 2012-08-28 | 2015-04-15 | 夏普株式会社 | Display apparatus and television receiver |
| CN104570439A (en) * | 2013-10-29 | 2015-04-29 | 乐金显示有限公司 | Liquid crystal display device having heat radiation sheet |
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2015
- 2015-08-27 CN CN201510536884.7A patent/CN105158971B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1612022A (en) * | 2003-10-28 | 2005-05-04 | 三菱电机株式会社 | Liquid crystal display apparatus and electronic equipment |
| CN1716041A (en) * | 2004-06-29 | 2006-01-04 | 京瓷株式会社 | Liquid crystal display device |
| JP2006216244A (en) * | 2005-02-01 | 2006-08-17 | Toshiba Matsushita Display Technology Co Ltd | Led backlight and liquid crystal display device |
| CN101949506A (en) * | 2010-09-20 | 2011-01-19 | 深圳市华星光电技术有限公司 | Light-emitting diode lamp strip structure with heat radiating function |
| CN102313210A (en) * | 2011-09-09 | 2012-01-11 | 深圳市华星光电技术有限公司 | Backlight module group and liquid crystal display |
| CN104520759A (en) * | 2012-08-28 | 2015-04-15 | 夏普株式会社 | Display apparatus and television receiver |
| US20140218618A1 (en) * | 2013-02-05 | 2014-08-07 | Funai Electric Co., Ltd. | Display Device |
| CN104570439A (en) * | 2013-10-29 | 2015-04-29 | 乐金显示有限公司 | Liquid crystal display device having heat radiation sheet |
| CN103672620A (en) * | 2013-12-16 | 2014-03-26 | 深圳市华星光电技术有限公司 | Backlight module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019080327A1 (en) * | 2017-10-25 | 2019-05-02 | 惠科股份有限公司 | Backlight module and liquid crystal display device |
| US10969538B2 (en) | 2017-10-25 | 2021-04-06 | HKC Corporation Limited | Backlight module and liquid crystal display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105158971B (en) | 2018-03-09 |
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Granted publication date: 20180309 |