WO2015106463A1 - 一种液晶模组的散热结构 - Google Patents

一种液晶模组的散热结构 Download PDF

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Publication number
WO2015106463A1
WO2015106463A1 PCT/CN2014/071262 CN2014071262W WO2015106463A1 WO 2015106463 A1 WO2015106463 A1 WO 2015106463A1 CN 2014071262 W CN2014071262 W CN 2014071262W WO 2015106463 A1 WO2015106463 A1 WO 2015106463A1
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Prior art keywords
heat dissipation
liquid crystal
crystal module
dissipation structure
heat
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PCT/CN2014/071262
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English (en)
French (fr)
Inventor
张彦学
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深圳市华星光电技术有限公司
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Application filed by 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US14/370,251 priority Critical patent/US9703136B2/en
Publication of WO2015106463A1 publication Critical patent/WO2015106463A1/zh

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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
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • G02F1/133385—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell with cooling means, e.g. fans
    • 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
    • G02B6/0005—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 of the fibre type
    • G02B6/001—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 of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre
    • 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
    • G02F1/133628—Illuminating devices with cooling means

Definitions

  • the invention relates to a liquid crystal module, in particular to a heat dissipation structure of a liquid crystal module.
  • the main object of the present invention is to provide a heat dissipation structure that can effectively increase the heat dissipation area of a liquid crystal module.
  • the present invention provides a heat dissipation structure of a liquid crystal module, which is disposed around an LED light source of a liquid crystal module, and the heat dissipation structure includes a plurality of heat sinks stacked on each other, the heat sink being disposed on a sidewall of the LED light source and The side of the backlight panel.
  • the heat dissipating structure comprises at least two heat sinks which are integrally formed by bending, and the heat sink is superposed and attached on the side of the backlight panel.
  • the thickness of the heat sink of each layer is the same.
  • the fins of the respective layers have the same width, and the thickness of the heat dissipating structure is.
  • the heat dissipation structure of the liquid crystal module of the present invention bends and superimposes the multilayer heat sink by adding the number of layers of the heat sink, and attaches it to the back surface of the backlight panel in the limited space of the liquid crystal module.
  • the heat dissipation area is greatly increased, thereby improving the heat dissipation efficiency of the liquid crystal module, solving the problem of insufficient heat dissipation area in the existing liquid crystal module, and satisfying the requirements of lightening and thinning of the existing liquid crystal module.
  • the bending forming method not only requires other fasteners to fix the two to each other, but also can stack the two heat sinks in a composite manner, which is easy to form and reduces the production cost.
  • FIG. 1 is a cross-sectional view showing a heat dissipation structure of a liquid crystal module of the present invention
  • FIG. 2 is a partial structural schematic view of a heat dissipation structure of a liquid crystal module according to the present invention.
  • the present invention provides a heat dissipation structure 1 of a liquid crystal module, which is disposed around the LED light source 2 of the liquid crystal module, and the heat dissipation structure 1 includes a plurality of layers superimposed on each other.
  • the heat sink 10 is disposed on a side wall of the LED light source 2 and a side surface of the backlight panel 3.
  • the heat dissipation structure 1 is mounted inside the liquid crystal module, in order to be able to be in the liquid crystal module.
  • the LED light source 2 is configured to efficiently dissipate heat
  • the heat dissipation structure 1 is assembled around the LED light source 2 and the backlight panel 3.
  • the heat dissipation structure 1 is composed of a heat sink 10.
  • the heat sink 10 is set to two. The two layers of heat sinks 10 are stacked in parallel with each other and attached to a portion of the liquid crystal module that has a large heat generation, that is, the heat sink 10 is superposed on each other between the backlight panel 3 and the casing.
  • the two-layer heat sink 10 is integrally formed by bending and bent along the shape of the casing of the liquid crystal module, and one end of the heat sink 10 is attached to the back surface of the LED light source 2 to effectively reduce the heat of the LED light source 2, and the other end
  • the film is bent at a right angle and extends along the backlight panel 3, and the upper and lower heat sinks 10 are laminated in parallel.
  • the heat dissipation structure may include a plurality of heat dissipation fins, such as 2-4 layers, preferably 2 layers, and the more the number of layers of the heat sink, the larger the heat dissipation area.
  • the heat sink sheets of the respective layers have the same thickness and width.
  • the heat dissipation structure of the liquid crystal module of the present invention bends and superimposes the multilayer heat sink by adding the number of layers of the heat sink, and attaches to the back surface of the backlight panel, thereby greatly increasing the heat dissipation area in the limited space of the liquid crystal module.
  • the heat dissipation efficiency of the liquid crystal module is improved, and the problem of insufficient heat dissipation area in the existing liquid crystal module is solved.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)

Abstract

一种液晶模组的散热结构（1），其设置于液晶模组的LED光源（2）的周围，散热结构（1）包括若干层相互叠加的散热片（10），散热片（10）设于LED光源（2）的侧壁和背光面板（3）的侧面。散热结构（1）包括至少两层散热片（10），其通过折弯一体成型而成，散热片（10）在背光面板（3）的侧面叠加并贴合。通过增加散热片（10）的层数，将多层散热片（10）弯折并叠加，贴附于背光面板（3）的背面，在液晶模组的有限空间内，增加了散热面积，从而提高了液晶模组的散热效率，解决了现有液晶模组中散热面积不足的问题。

Description

一种液晶模组的散热结构 技术领域
本发明涉及一种液晶模组， 尤其是指一种液晶模组的散热结构。
背景技术
在传统的液晶模组中， 由于对产品的厚度要求相对较低， 因此增加散热片的宽度就可以 很好的解决散热问题， 随着液晶技术的发展， 液晶显示器的设计倾向于轻薄化的设计方向， 受限于产品的空间， 散热问题成为了比较难以解决的问题。
发明内容
基于现有技术的不足， 本发明的主要目的在于提供一种可有效增加液晶模组的散热面积 的散热结构。
本发明提供了一种液晶模组的散热结构， 其设置于液晶模组的 LED光源的周围， 所述散 热结构包括若干层相互叠加的散热片， 所述散热片设于 LED光源的侧壁和背光面板的侧面。
优选地， 所述散热结构包括至少两层散热片， 其通过折弯一体成型而成， 所述散热片在 背光面板的侧面叠加并贴合。
优选地， 所述各层散热片的厚度相同。 所述各层散热片的宽度相同， 所述散热结构的厚 度为。
与现有技术相比， 本发明液晶模组的散热结构， 通过增加散热片的层数， 将多层散热片 弯折并叠加， 贴附于背光面板的背面， 在液晶模组的有限空间内， 大大增加了散热面积， 从 而提高了液晶模组的散热效率， 解决了现有液晶模组中散热面积不足的问题， 也满足了现有 液晶模组轻薄化的要求。 采用弯折成型的方式， 既无需其他紧固件将两者相互固定， 可将两 散热片复合相叠， 成型简易， 降低了生产成本。
附图说明
图 1为本发明一种液晶模组的散热结构的剖视图；
图 2为本发明一种液晶模组的散热结构的局部结构示意图。
具体实施方式
为了提高液晶模组发热元器件的散热效果， 本发明提供了一种液晶模组的散热结构 1， 其设置于液晶模组的 LED光源 2的周围， 所述散热结构 1包括若干层相互叠加的散热片 10， 所述散热片 10设于 LED光源 2的侧壁和背光面板 3的侧面。
其中， 参照图 1和图 2所示， 散热结构 1装配于液晶模组的内部， 为了能对液晶模组中 的 LED光源 2进行高效散热，将所述散热结构 1装配于 LED光源 2以及背光面板 3的四周， 所述散热结构 1由散热片 10组成， 在本发明中， 所述散热片 10设为两层， 两层散热片 10相 互平行叠加， 贴附于液晶模组中发热较大的部分， 即将散热片 10相互叠加地贴附于背光面板 3与壳体之间。 所述两层散热片 10通过折弯一体成型， 沿液晶模组的壳体形状而弯折， 散热 片 10的一端贴附于 LED光源 2的背面，以有效降低 LED光源 2的热量，另一端弯折成直角， 沿背光面板 3延伸， 上下两层散热片 10平行贴合， 通过增加散热片 10的散热面积， 在液晶 模组的有效空间内大大增加了背光面板和 LED光源的散热面积， 以有效地提高了整体液晶模 组的散热效率， 满足了现有液晶模组散热高效化、 轻薄化的要求。
在本发明中， 所述散热结构可包含有多层散热片， 如 2-4层， 优选 2层， 散热片的层数 越多， 散热面积越大。 所述各层散热片的厚度和宽度相同。
本发明液晶模组的散热结构， 通过增加散热片的层数， 将多层散热片弯折并叠加， 贴附 于背光面板的背面， 在液晶模组的有限空间内， 大大增加了散热面积， 从而提高了液晶模组 的散热效率， 解决了现有液晶模组中散热面积不足的问题。 采用弯折成型的方式， 既无需其 他紧固件将两者相互固定， 可将两散热片复合相叠， 成型简易， 降低了生产成本。

Claims

权 利 要 求 书
、 一种液晶模组的散热结构， 其设置于液晶模组的 LED光源的周围， 其中： 所述散热结构包 括若干层相互叠加的两层散热片， 所述散热片设于 LED光源的侧壁和背光面板的侧面， 其 通过折弯一体成型而成。
、 根据权利要求 1所述的液晶模组的散热结构，其中：所述散热片在背光面板的侧面叠加并贴 合。 、 根据权利要求 2所述的液晶模组的散热结构， 其中： 所述各层散热片的厚度相同。
、 根据权利要求 2所述的液晶模组的散热结构， 其中： 所述各层散热片的宽度相同。
、 一种液晶模组的散热结构， 其设置于液晶模组的 LED光源的周围， 其中： 所述散热结构包 括若干层相互叠加的散热片， 所述散热片设于 LED光源的侧壁和背光面板的侧面。
、 根据权利要求 5所述的液晶模组的散热结构， 其中： 所述散热结构包括至少两层散热片。 、 根据权利要求 6所述的液晶模组的散热结构， 其中： 所述散热片通过折弯一体成型而成。 、 根据权利要求 7所述的液晶模组的散热结构，其中：所述散热片在背光面板的侧面叠加并贴 合。 、 根据权利要求 6所述的液晶模组的散热结构， 其中： 所述各层散热片的厚度相同。
0、 根据权利要求 6所述的液晶模组的散热结构， 其中： 所述各层散热片的宽度相同。
PCT/CN2014/071262 2014-01-20 2014-01-23 一种液晶模组的散热结构 WO2015106463A1 (zh)

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US14/370,251 US9703136B2 (en) 2014-01-20 2014-01-23 Heat radiation of the liquid crystal module

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CN201410026426.4A CN103792712A (zh) 2014-01-20 2014-01-20 一种液晶模组的散热结构

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CN103335253A (zh) * 2013-07-18 2013-10-02 深圳市华星光电技术有限公司 背光模组及包含其的液晶显示器

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