WO2013152525A1 - 一种背光模组及液晶显示装置 - Google Patents

一种背光模组及液晶显示装置 Download PDF

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Publication number
WO2013152525A1
WO2013152525A1 PCT/CN2012/074521 CN2012074521W WO2013152525A1 WO 2013152525 A1 WO2013152525 A1 WO 2013152525A1 CN 2012074521 W CN2012074521 W CN 2012074521W WO 2013152525 A1 WO2013152525 A1 WO 2013152525A1
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WIPO (PCT)
Prior art keywords
light source
heat pipe
back plate
disposed
backlight module
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.)
Ceased
Application number
PCT/CN2012/074521
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English (en)
French (fr)
Inventor
萧宇均
郭仪正
黄冲
程加河
张庞岭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Technology Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Shenzhen China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Priority to US13/512,699 priority Critical patent/US20130278861A1/en
Publication of WO2013152525A1 publication Critical patent/WO2013152525A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0085—Means for removing heat created by the light source from the package
    • 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
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • 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

Definitions

  • the invention belongs to the field of liquid crystal display, and more particularly to a backlight module and a liquid crystal display device.
  • the liquid crystal display device packages a liquid crystal display panel and a backlight module.
  • the backlight module provides a light source for the liquid crystal display panel.
  • the backlight module generally includes a back plate, a light guide plate and a light source.
  • the light source of the existing back plate module can be divided into LED point light sources.
  • CCFL line light source in order to meet the requirements of high brightness and light weight, the above-mentioned light sources are often installed in a narrow and confined space, and the heat generated by the light source cannot be smoothly discharged during operation, and the accumulation of heat may cause the backlight module and
  • the display quality of the liquid crystal display device such as a screen in a partial area, is liable to cause sway or flicker, and the life of the light source and its surrounding components is lowered, and the power of the light source cannot be further increased to provide a liquid crystal display device of higher brightness.
  • the technical problem to be solved by the present invention is to provide a backlight module and a liquid crystal display device with better heat dissipation effect.
  • a backlight module comprising a back plate and a light source, wherein the light source is disposed on the back plate, wherein the outer side of the back plate near the light source is provided with a heat pipe, the light source and The heat pipes are disposed on the side wall of the back plate, the heat pipe is located between the light source and the bottom wall of the back plate, and the back plate is provided with a groove that is trapped inside the back plate, and the heat pipe is disposed in the groove, and the heat pipe is a tubular heat pipe, the heat pipe is disposed in parallel with the light source, and is accompanied by the entire length of the light source, the back plate comprises a frame and a bottom plate which are formed by splicing a plurality of frame supports, and the bottom plate is a plurality of bars fixed on the frame A hollowed-out base plate.
  • a backlight module includes a back plate and a light source, the light source is disposed on the back plate, and the outer side of the back plate near the light source is provided with a heat pipe.
  • the light source and the heat pipe are disposed on the sidewall of the backboard, and the heat pipe is located between the light source and the bottom wall of the backboard, so it is not necessary to increase the height of the sidewall of the backboard, skillfully utilize the remaining space, and make the heat pipe Keep the distance between the light source and the light source to maximize heat dissipation
  • the light source is disposed on a sidewall of the backboard, and the heat pipe is located on a bottom wall of the backboard.
  • the heat pipe can be disposed on the bottom wall of the backing plate, so that the heat pipe is still very close to the light source for rapid heat dissipation.
  • the light source and the heat pipe are disposed on a bottom wall of the backboard.
  • this design minimizes the distance between the heat pipe and the light source, because the closer the heat pipe is to the light source, the better the heat dissipation.
  • the light source is disposed on a bottom wall of the backboard, and the heat pipe is disposed on a sidewall of the backboard.
  • the backlight module is a bottom-into-light backlight module, which minimizes the distance between the heat pipe and the light source. The closer the heat pipe is to the light source, the better the heat dissipation effect.
  • the back plate is provided with a recess that is recessed toward the inside of the back plate, and the heat pipe is disposed in the groove.
  • the groove increases the heat absorbing area inside the backing plate, increases the contact area between the heat pipe and the backing plate, and dissipates heat more quickly.
  • the groove does not change the outer dimension of the backing plate and does not affect other components.
  • the heat pipe is a tubular heat pipe, and the heat pipe is disposed in parallel with the light source and is accompanied by the entire length of the light source.
  • the tubular heat pipe takes up a small volume and can be conveniently disposed in the groove on the back plate.
  • the backboard comprises a frame and a bottom plate which are formed by splicing a plurality of frame supports.
  • the bottom plate is a hollow bottom plate composed of a plurality of grid bars fixed on the frame.
  • a liquid crystal display device comprising the backlight module described above.
  • the beneficial effects of the invention are as follows:
  • the backlight module of the invention is provided with a heat pipe on the outer side of the back plate near the light source, because the light source is a heat source, and the closer the temperature of the light source is, the faster the heat transfer mechanism of the heat pipe is used to quickly back
  • the heat on the board is radiated to the outside of the backplane.
  • the grounding reduces the temperature inside the backplane, especially near the light source, thus prolonging the service life of the backlight module and the liquid crystal display device.
  • FIG. 1 is a partial cross-sectional view showing a first embodiment of a backlight module of the present invention
  • Figure 2 is a schematic structural view of the back plate of Figure 1;
  • FIG 3 is a partial cross-sectional view showing a second embodiment of the backlight module of the present invention.
  • the present invention discloses a liquid crystal display device, including a backlight module, as a first embodiment of the backlight module of the present invention.
  • the backlight module includes a back plate 1 and a light source 2, and the light source 2 is disposed on the back plate 1, and the heat pipe 3 is disposed on the outer side of the back plate 1 near the light source 2, and the light guide plate 4 corresponds to the light source 3.
  • the backlight module of the present invention is provided with a heat pipe 3 on the outer side of the back plate 1 near the light source 2, because the light source 2 is a heat source, and the temperature is closer to the light source 2, and the heat transfer mechanism of the heat pipe 3 is used to quickly transfer the back plate.
  • the heat on the 1 is radiated to the outside of the backplane 1, and the grounding reduces the temperature inside the backplane 1, especially near the light source 2, thereby prolonging the service life of the backlight module and the liquid crystal display device, and further increasing the power of the light source 2. To provide a higher brightness liquid crystal display device.
  • the light source 2 and the heat pipe 3 are disposed on the side wall 11 of the backboard, and the backlight module is a side-input type backlight module.
  • the heat pipe 3 is located on the light source 2 and the back wall 12 Between, so it is not necessary to increase the height of the side wall 11 of the backboard, skillfully utilize the remaining space, and keep the distance between the heat pipe 3 and the light source 2 close to each other, maximally dissipating heat.
  • the heat pipe 3 is a tubular heat pipe
  • the back plate 1 is provided with a groove 13 that is trapped inside the back plate, and the heat pipe 3 is disposed in the groove 13.
  • the light source 2 is generally a long strip of light
  • the present invention employs a tubular heat pipe, and the heat pipe 3 is disposed in parallel with the light source 2, and the heat pipe 3 is accompanied by the entire length of the light source 2, thereby obtaining The uniform heat dissipation effect, and the tubular heat pipe occupying a small volume, can be conveniently disposed in the groove 13 on the back plate 1, the groove 13 increases the heat absorption area inside the back plate 1, and the heat pipe 3 and the back are also added.
  • the contact area of the board 1 dissipates heat more quickly, and the recess 13 does not change the outer dimensions of the back board 1 and does not affect other parts.
  • the backboard 1 includes a frame formed by splicing a plurality of frame brackets 14 and a hollow floor plate composed of a plurality of grids 15 fixed to the frame.
  • the backing plate in the prior art is manufactured by integral stamping. The inventors have found that the backing plate material accounts for a large proportion by the cost analysis of the backing plate. When the integrated forming structure is adopted, the cost of the backing plate cannot be further reduced, and the present invention
  • the board 1 is divided into a plurality of frame brackets 14 and a grid bar 15, and then these components are spliced into one body by means of welding, screwing or riveting, which can reduce the material cost, and the framing bracket 14 and the grid 15 have high versatility. It can be combined with the backplane 1 of different sizes to save the development cost of the special mold, thereby reducing the cost of the liquid crystal display device.
  • the difference from the first embodiment is that the light source 2 is disposed on the side wall 11 of the backboard 1, and the heat pipe 3 is located at the bottom wall 12 of the backboard. on.
  • the heat pipe 3 can be disposed on the bottom wall 12 of the backing plate, so that the heat pipe 3 is still very close to the light source 2, achieving the purpose of rapid heat dissipation.
  • the heat pipe may be disposed on the sidewall of the back panel or on the bottom wall of the back panel.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Description

【技术领域】
本发明属于液晶显示领域， 更具体的说， 涉及一种背光模组及液晶显示装 置。
【背景技术】
液晶显示装置包装液晶显示面板和背光模组， 背光模组为液晶显示面板提 供一面光源， 背光模组一般包括背板、 导光板和光源， 现有背板模组的光源可 分为 LED点光源或 CCFL线光源， 为了满足高亮度及轻量化的要求， 上述光源 往往都安装在一个窄小的密闭空间， 工作时光源产生的热量无法顺利地散发出 去， 热量不断累积可能会导致背光模组及液晶显示装置的显示品质， 比如部分 区域的画面容易产生晃动或闪烁现象， 和降低光源及其周围元件的使用寿命， 而且无法进一步加大光源的功率以提供更高亮度的液晶显示装置。
【发明内容】
本发明所要解决的技术问题是提供一种散热效果更好的背光模组及液晶显 示装置。
本发明的技术方案为： 一种背光模组， 包括背板和光源， 所述光源设置在 背板上， 其特征在于， 所述靠近光源处背板的外侧面设置有热管， 所述光源和 热管均设置在背板的侧壁上， 所述热管位于光源和背板底壁之间， 所述背板上 设有向背板内部 陷的 槽， 所述热管设置在 槽内， 所述热管为管状热管， 热管与光源平行设置， 并伴随光源的整个长度， 所述背板包括由多个边框支架 相互拼接而成的框架和底板， 所述底板为由多个固定在所述框架上栅条组成的 镂空式底板。
本发明的另一种技术方案为： 一种背光模组， 包括背板和光源， 所述光源 设置在背板上， 所述靠近光源处背板的外侧面设置有热管。 优选的， 所述光源和热管均设置在背板的侧壁上， 所述热管位于光源和背 板底壁之间， 所以不必增加背板侧壁的高度， 巧妙地利用剩余空间， 并且使热 管和光源之间的距离保持靠近状态， 最大程度地散发热量
优选的， 所述光源设置在背板的侧壁上， 所述热管位于背板底壁上。 当光 源和背板底壁之间的空间不足以设置热管时， 就可以把热管设置在背板的底壁 上， 这样热管依然非常靠近光源， 实现快速散热的目的。
优选的， 所述光源和热管均设置在背板的底壁上。 对于底面入光式背光模 组， 这样的设计可尽量缩短热管和光源之间的距离， 因为热管越靠近光源， 散 热效果越好。
优选的， 所述光源设置在背板的底壁上， 所述热管设置在背板侧壁上。 背 光模组为底面入光式背光模组， 尽量缩短热管和光源之间的距离， 因为热管越 靠近光源， 散热效果越好。
优选的， 所述背板上设有向背板内部凹陷的凹槽， 所述热管设置在凹槽内。 凹槽增加了背板内部的吸热面积， 还增加了热管与背板的接触面积， 更快速地 散热， 所述 槽不会改变背板的外部尺寸， 不会影响其它部件。
优选的， 所述热管为管状热管， 热管与光源平行设置， 并伴随光源的整个 长度。 从而获得均匀的散热效果， 另外管状热管占用体积小， 可以很方便地设 置在背板上的凹槽内。
优选的， 所述背板包括由多个边框支架相互拼接而成的框架和底板。
优选的， 所述底板为由多个固定在所述框架上栅条组成的镂空式底板。 本发明还公开了另一种方案： 一种液晶显示装置， 包括上面所述的背光模 组。
本发明的有益效果为： 本发明背光模组在靠近光源处背板的外侧面设置了 热管， 因为光源是发热源， 越靠近光源温度越高， 利用热管高效的热转移机制， 快速地把背板上的热量散发到背板外部， 间接地降低了背板内部、 尤其是光源 附近的温度， 从而延长了背光模组和液晶显示装置的使用寿命， 可以进一步加 大光源的功率以提供更高亮度的液晶显示装置。
【附图说明】
图 1是本发明背光模组实施例一的局部剖示图；
图 2是图 1中背板的结构示意图；
图 3是本发明背光模组实施例二的局部剖示图。
其中： 1、 背板； 11、 侧壁； 12、 底壁； 13、 凹槽； 14、 边框支架； 15、 栅 条； 2、 光源； 3、 热管； 4、 导光板。
【具体实施方式】
本发明公开一种液晶显示装置， 包括背光模组， 作为本发明背光模组的实 施例一， 如图 1和图 2所示， 所述背光模组包括背板 1和光源 2, 所述光源 2设 置在背板 1上， 所述靠近光源 2处背板 1的外侧面设置有热管 3 , 与光源 3相对 应的是导光板 4。
本发明背光模组在靠近光源 2处背板 1的外侧面设置了热管 3 , 因为光源 2 是发热源， 越靠近光源 2温度越高， 利用热管 3高效的热转移机制， 快速地把 背板 1上的热量散发到背板 1外部， 间接地降低了背板 1 内部、 尤其是光源 2 附近的温度， 从而延长了背光模组和液晶显示装置的使用寿命， 可以进一步加 大光源 2的功率以提供更高亮度的液晶显示装置。
在本实施例中， 所述光源 2和热管 3均设置在背板的侧壁 11上， 背光模组 为侧入光式的背光模组， 所述热管 3位于光源 2和背板底壁 12之间， 所以不必 增加背板侧壁 11的高度， 巧妙地利用剩余空间， 并且使热管 3和光源 2之间的 距离保持靠近状态， 最大程度地散发热量。
本实施例中， 所述热管 3为管状热管， 背板 1上设有向背板内部 陷的 槽 13 , 热管 3设置在凹槽 13内。 由于光源 2—般为长条形的灯条， 本发明采用 管状热管， 热管 3与光源 2平行设置， 热管 3伴随光源 2的整个长度， 从而获 得均匀的散热效果， 另外管状热管占用体积小， 可以很方便地设置在背板 1 上 的凹槽 13内， 凹槽 13增加了背板 1内部的吸热面积， 还增加了热管 3与背板 1 的接触面积， 更快速地散热， 所述凹槽 13不会改变背板 1的外部尺寸， 不会影 响其它部件。
本实施例中， 如图 2所示， 所述背板 1包括由多个边框支架 14相互拼接而 成的框架， 和由多个固定在所述框架上栅条 15组成的镂空式底板。 现有技术中 的背板采用一体沖压成型方式制作， 本发明人通过背板成本分析， 发现背板材 料占极大比重， 采用一体成型结构时， 无法进一步降低背板成本， 而本发明把 背板 1拆分成多个边框支架 14和栅条 15 , 然后再利用焊接、 螺接或铆接等方式 把这些部件拼接成一体， 可以降低材料成本， 边框支架 14和栅条 15的通用性 高， 可以搭配出不同尺寸的背板 1 , 节省专用模具开发费用， 进而降低液晶显示 装置的成本。
作为本发明背光模组的实施例二， 如图 3 所示， 与实施例一不同之处在于 所述光源 2设置在背板 1的侧壁 11上， 所述热管 3位于背板底壁 12上。 当光 源 2和背板底壁 12之间的空间不足以设置热管 3时， 就可以把热管 3设置在背 板的底壁 12上， 这样热管 3依然非常靠近光源 2, 实现快速散热的目的。
当背光模组的光源设置在背板的底壁上时， 称之为底面入光式背光模组， 此时热管可以设置在背板的侧壁上， 也可以设置在背板的底壁上， 尽量缩短热 管和光源之间的距离， 因为热管越靠近光源， 散热效果越好。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明， 不 能认定本发明的具体实施只局限于这些说明。 对于本发明所属技术领域的普通 技术人员来说， 在不脱离本发明构思的前提下， 还可以做出若干筒单推演或替 换， 都应当视为属于本发明的保护范围。

Claims

权利要求
1、 一种背光模组， 包括背板和光源， 所述光源设置在背板上， 所述靠近光 源处背板的外侧面设置有热管， 所述光源和热管均设置在背板的侧壁上， 所述 热管位于光源和背板底壁之间， 所述背板上设有向背板内部 陷的 槽， 所述 热管设置在凹槽内， 所述热管为管状热管， 热管与光源平行设置， 并伴随光源 的整个长度， 所述背板包括由多个边框支架相互拼接而成的框架和底板， 所述 底板为由多个固定在所述框架上栅条组成的镂空式底板。
2、 一种背光模组， 包括背板和光源， 所述光源设置在背板上， 所述靠近光 源处背板的外侧面设置有热管。
3、 如权利要求 2所述的背光模组， 其中， 所述光源和热管均设置在背板的 侧壁上， 所述热管位于光源和背板底壁之间。
4、 如权利要求 2所述的背光模组， 其中， 所述光源设置在背板的侧壁上， 所述热管位于背板底壁上。
5、 如权利要求 2所述的背光模组， 其中， 所述光源和热管均设置在背板的 底壁上。
6、 如权利要求 2所述的背光模组， 其中， 所述光源设置在背板的底壁上， 所述热管设置在背板侧壁上。
7、 如权利要求 2所述的背光模组， 其中， 所述背板上设有向背板内部凹陷 的凹槽， 所述热管设置在凹槽内。
8、 如权利要求 7所述的背光模组， 其中， 所述热管为管状热管， 热管与光 源平行设置， 并伴随光源的整个长度。
9、 如权利要求 2所述的背光模组， 其中， 所述背板包括由多个边框支架相 互拼接而成的 架和底板。
10、 如权利要求 9所述的背光模组， 其中， 所述底板为由多个固定在所述 框架上栅条组成的镂空式底板。
11、 一种液晶显示装置， 包括背光模组， 所述背光模组包括背板和光源， 所述光源设置在背板上， 所述靠近光源处背板的外侧面设置有热管。
12、 如权利要求 11所述的液晶显示装置， 其中， 所述光源和热管均设置在 背板的侧壁上， 所述热管位于光源和背板底壁之间。
13、 如权利要求 11所述的液晶显示装置， 其中， 所述光源设置在背板的侧 壁上， 所述热管位于背板底壁上。
14、 如权利要求 11所述的液晶显示装置， 其中， 所述光源和热管均设置在 背板的底壁上。
15、 如权利要求 11所述的液晶显示装置， 其中， 所述光源设置在背板的底 壁上， 所述热管设置在背板侧壁上。
16、 如权利要求 11所述的液晶显示装置， 其中， 所述背板上设有向背板内 部凹陷的凹槽， 所述热管设置在凹槽内。
17、 如权利要求 16所述的液晶显示装置， 其中， 所述热管为管状热管， 热 管与光源平行设置， 并伴随光源的整个长度。
18、 如权利要求 11所述的液晶显示装置， 其中， 所述背板包括由多个边框 支架相互拼接而成的框架和底板。
19、 如权利要求 18所述的液晶显示装置， 其中， 所述底板为由多个固定在 所述框架上栅条组成的镂空式底板。
PCT/CN2012/074521 2012-04-11 2012-04-23 一种背光模组及液晶显示装置 Ceased WO2013152525A1 (zh)

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