WO2014036755A1 - 镂空式背板及使用该背板的背光模组 - Google Patents

镂空式背板及使用该背板的背光模组 Download PDF

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Publication number
WO2014036755A1
WO2014036755A1 PCT/CN2012/081372 CN2012081372W WO2014036755A1 WO 2014036755 A1 WO2014036755 A1 WO 2014036755A1 CN 2012081372 W CN2012081372 W CN 2012081372W WO 2014036755 A1 WO2014036755 A1 WO 2014036755A1
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WO
WIPO (PCT)
Prior art keywords
bottom plate
heat sink
backplane
hollow
disposed
Prior art date
Application number
PCT/CN2012/081372
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English (en)
French (fr)
Inventor
吴泽鑫
萧宇均
Original Assignee
深圳市华星光电技术有限公司
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.)
Filing date
Publication date
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 US13/699,065 priority Critical patent/US8960987B2/en
Priority to DE112012006886.6T priority patent/DE112012006886T5/de
Publication of WO2014036755A1 publication Critical patent/WO2014036755A1/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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133314—Back frames
    • 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 present invention relates to the field of liquid crystal display, and in particular to a hollow backplane and a backlight module using the same. Background technique
  • Liquid crystal display has many advantages such as thin body, power saving, and no radiation, and has been widely used.
  • Most of the liquid crystal display devices on the market are backlight type liquid crystal display devices, which include a casing, a liquid crystal panel disposed in the casing, and a backlight module disposed in the casing.
  • the working principle of the liquid crystal panel is to place liquid crystal molecules in two parallel glass substrates. There are many vertical and horizontal small wires between the two glass substrates, and the liquid crystal molecules are controlled to change direction by energization or not, and the light of the backlight module is refracted. Come out to produce the picture. Since the liquid crystal panel itself does not emit light, the light source provided by the backlight module needs to be used to display the image normally.
  • the backlight module becomes one of the key components of the liquid crystal display device.
  • the backlight module is divided into a side-lit backlight module and a direct-lit backlight module according to the incident position of the light source.
  • a light source such as a CCFL (Cold Cathode Fluorescent Lamp) or an LED (Light Emitting Diode) is disposed behind the liquid crystal panel, and a surface light source is directly formed and supplied to the liquid crystal panel.
  • the side-lit backlight module has a backlight LED strip (Light bar) disposed on the edge of the back panel behind the liquid crystal panel, and the light emitted by the LED strip is incident on the light guide plate (LGP, Light Guide Plate) side. The surface enters the light guide plate, is reflected and diffused, and is emitted from the light exit surface of the light guide plate, and then passes through the optical film group to form a surface light source to be supplied to the liquid crystal panel.
  • LGP Light Guide Plate
  • the liquid crystal display module generally includes: a backlight module 100 , a plastic frame 300 disposed on the backlight module 100 , a liquid crystal display panel 500 disposed on the plastic frame 300 , and a frame disposed on the liquid crystal display panel 500 .
  • the backlight module 100 includes: a backplane 110, a backlight 130 disposed in the backplane 110, a reflective sheet 150 disposed in the backplane 110, a light guide 170 disposed on the reflective sheet 150, and a guide
  • the optical film set 190 on the light plate 170 is used to carry the liquid crystal display panel 500.
  • the frame 700 is locked with the back plate 110 of the backlight module 100, and is assembled into a liquid crystal display module.
  • the existing backing plate 110 is generally a sheet metal piece, which is formed by press forming, and the backing plate 110 is generally heavy, which is disadvantageous for the weight reduction of the liquid crystal display device, and the material cost and processing cost thereof are high. , is not conducive to cost control. Summary of the invention
  • An object of the present invention is to provide a hollow backing plate which is simple in structure, light in weight, and low in cost, and is advantageous for weight reduction of a liquid crystal display device.
  • Another object of the present invention is to provide a backlight module which uses a hollow backplane to reduce production cost and product weight to a large extent, and is advantageous for weight reduction of a liquid crystal display device.
  • the present invention provides a hollow backplane, comprising: a body and a heat sink disposed on the body, the body comprising a bottom plate and a side plate connecting the bottom plate, wherein the bottom plate is provided with a plurality of hollow portions, A rib is disposed on the hollow portion, and the heat sink is disposed on the bottom plate.
  • the body is integrally formed from a plastic material.
  • the bottom plate is provided with a metal reinforcing piece, and the reinforcing piece is locked to the bottom plate by screws.
  • a plurality of metal strips are disposed in the bottom plate, and the body is injection molded in combination with the metal strip, and the metal strip is buried in the bottom plate.
  • the bottom plate is provided with an opening portion corresponding to the heat sink.
  • the heat sink covers the opening and is screwed to the bottom plate.
  • the heat sink is provided with a "" joint portion corresponding to the opening portion, and the engaging portion is engaged with the side of the opening portion, and the heat sink is assembled in the opening portion.
  • the body is injection molded in combination with the heat sink, and an opening is formed and the heat sink is assembled in the opening.
  • the present invention also provides a hollow backplane, comprising: a body and a heat sink disposed on the body, the body comprising a bottom plate and a side plate connecting the bottom plate, wherein the bottom plate is provided with a plurality of hollow portions, and the hollow portion is provided a reinforcing rib, the heat sink is disposed on the bottom plate;
  • the body is integrally formed from a plastic material
  • the bottom plate is provided with a metal reinforcing piece, and the reinforcing piece is locked to the bottom plate by screws;
  • the bottom plate is provided with an opening portion corresponding to the heat sink
  • the heat sink covers the opening and is screwed to the bottom plate.
  • the present invention further provides a backlight module, including a backplane, a backlight disposed in the backplane, and a hollow backplane disposed on the backplane, the body comprising a body and a heat sink disposed on the body, the body
  • the bottom plate includes a bottom plate and a bottom plate.
  • the bottom plate is provided with a plurality of hollow portions, and the hollow portion is provided with a reinforcing rib.
  • the heat dissipation fin is disposed on the bottom plate, and the body is integrally formed from a plastic material.
  • the bottom plate is provided with a metal reinforcing piece, and the reinforcing piece is locked to the bottom plate by screws.
  • the hollow backplane of the present invention and the backlight module using the same A hollow portion is arranged on the bottom plate of the back plate made of plastic material to reduce the weight of the back plate, and the strength of the back plate is ensured by the reinforcing ribs, thereby greatly reducing the weight and reducing the cost while ensuring the strength of the back plate. Moreover, the weight of the liquid crystal display device is facilitated, and the back sheet of the present invention has a simple structure and is easy to process, thereby further reducing the production cost.
  • FIG. 1 is a perspective exploded view of a conventional liquid crystal display device
  • FIG. 2 is a perspective exploded view of the first embodiment of the hollow back panel of the present invention.
  • FIG. 3 is a perspective exploded view of a second embodiment of the hollow backing plate of the present invention.
  • FIG. 4 is a perspective exploded view of a third embodiment of the hollow backing plate of the present invention.
  • FIG. 5 is a perspective structural view of another embodiment of a heat sink of a hollow backplane according to the present invention
  • FIG. 6 is a schematic structural view of a backlight module of the present invention. detailed description
  • the present invention provides a hollow backplane 2, which includes: a body 20 and a heat sink 40 disposed on the body 20.
  • the body 20 includes a bottom plate 22 and a side plate 24 connecting the bottom plate 22,
  • the bottom plate 22 is provided with a plurality of hollow portions 220.
  • the hollow portion 220 is provided with a reinforcing rib 230, and the heat sink 40 is disposed on the bottom plate 22.
  • the body 20 is integrally formed of a plastic material, and is provided with a hollow portion 220, so that the cost and weight of the back plate 2 of the present invention are relatively low, and the arrangement of the reinforcing bars 230 ensures the strength of the back plate 2, and further
  • the back sheet 2 of the present invention effectively reduces the production cost while ensuring the use strength, and contributes to the weight reduction of the liquid crystal display device.
  • the hollow portions 220 are three and are arranged in a rectangular shape.
  • the three hollow portions 220 are respectively named as the first hollow portion 222, the second hollow portion 224, and the third portion.
  • the strength of the side corner position this embodiment is also in the first hollow portion 222
  • a second reinforcing rib 234 is obliquely pulled away from the two corners away from the side of the second hollow portion 224.
  • the second hollow portion 224 is located at an intermediate position of the back plate 2, and is provided with two third reinforcing ribs 236 at one end thereof.
  • the third reinforcing rib 236 is horizontally disposed at one end of the second hollow portion 224.
  • the third hollow portion 226 is located at the other end of the backboard 2, and is provided with two fourth reinforcing ribs 238 at a diagonal position to strengthen the strength of the backboard 2, and is disposed at two corners near the side of the heat sink 40.
  • the fifth reinforcing rib 239 is for reinforcing the strength of the other side corner of the backboard 2.
  • the heat sink 40 is disposed on a side of the third hollow portion 226 away from the second hollow portion 224.
  • the bottom plate 22 is provided with a rectangular opening portion 204 corresponding to the heat sink 40.
  • the heat sink 40 is disposed.
  • a rectangular body 42 and a protrusion 44 protruding from the rectangular body 42 are included. When assembled, the heat sink 40 covers the opening 204 and is screwed to the bottom plate 22.
  • FIG 3 is a perspective exploded view of a second embodiment of the hollow backplane 2 of the present invention.
  • the bottom plate 22 is provided with a plurality of metal strips 60, and the body 20 is injection molded with the metal strips 60.
  • the metal strip 60 is embedded in the bottom plate 22 to further strengthen the strength of the back sheet 2.
  • FIG. 4 is a perspective exploded view of a third embodiment of the hollow backing plate 2 of the present invention.
  • the bottom plate 22 is provided with a metal reinforcing plate 80, and the reinforcing plate 80 is locked by screws.
  • the strength of the back plate 2" is further strengthened.
  • FIG. 5 is a schematic perspective view of another embodiment of a heat sink of a hollow backplane according to the present invention.
  • the heat sink 40 is corresponding to the opening 204 of the bottom plate 22 of the backboard 2.
  • the heat sink 40 is processed first, and then the body 20 is combined with the heat sink 40, injection molded, the opening 204 is formed, and the heat sink 40 is assembled in the opening portion 204.
  • the present invention further provides a backlight module, including a back plate 2 , a backlight 4 disposed in the back plate 2 , a reflective sheet 6 disposed in the back plate 2 , and a reflective sheet 6 .
  • the back plate 2 is a hollow back plate, and includes a body 20 and a heat sink 40 disposed on the body 20.
  • the body 20 includes The bottom plate 22 and the side plate 24 of the bottom plate 22 are provided with a plurality of hollow portions 220.
  • the hollow portion 220 is provided with a reinforcing rib 230, and the heat sink 40 is disposed on the bottom plate 22.
  • the body 20 is integrally formed of a plastic material, and is provided with a hollow portion 220, so that the cost and weight of the back plate 2 of the present invention are relatively low, and the arrangement of the reinforcing bars 230 ensures the strength of the back plate 2, and further
  • the back sheet 2 of the present invention effectively reduces the production cost while ensuring the use strength, and contributes to the weight reduction of the liquid crystal display device.
  • the hollow portions 220 are three and are arranged in a rectangular shape for convenience.
  • the three hollow portions 220 are respectively named as the first hollow portion 222, the second hollow portion 224, and the third hollow portion 226, wherein the first hollow portion 222 is disposed at one end of the backboard 2 away from the heat sink 40.
  • two first reinforcing ribs 232 are provided to strengthen the strength of the backing plate 2.
  • the embodiment is further away from the second hollowing out of the first hollow portion 222.
  • a second reinforcing rib 234 is disposed obliquely on the two corners of the portion 224 side.
  • the second hollow portion 224 is located at an intermediate position of the back plate 2, and is provided with two third reinforcing ribs 236 at one end thereof.
  • the third reinforcing rib 236 is horizontally disposed at one end of the second hollow portion 224.
  • the third hollow portion 226 is located at the other end of the backboard 2, and is provided with two fourth reinforcing ribs 238 at a diagonal position to strengthen the strength of the backboard 2, and is disposed at two corners near the side of the heat sink 40.
  • the fifth reinforcing rib 239 is for reinforcing the strength of the other side corner of the backboard 2.
  • the heat sink 40 is disposed on a side of the third hollow portion 226 away from the second hollow portion 224.
  • the bottom plate 22 is provided with a rectangular opening portion 204 corresponding to the heat sink 40.
  • the heat sink 40 is disposed.
  • a rectangular body 42 and a protrusion 44 protruding from the rectangular body 42 are included. When assembled, the heat sink 40 covers the opening 204 and is screwed to the bottom plate 22.
  • a metal reinforcing sheet may be disposed on the bottom plate of the backboard or a metal strip may be embedded in the backing plate, and the metal reinforcing sheet may be locked to the bottom plate by screws.
  • the hollow backplane of the present invention and the backlight module using the backplane are provided with a hollow portion on the bottom plate of the backboard made of plastic material to reduce the weight of the backboard and ensure the reinforcement by the reinforcing ribs.
  • the strength of the back sheet greatly reduces the weight and the cost while ensuring the strength of the back sheet, and the weight of the liquid crystal display device is facilitated, and the back sheet of the present invention has a simple structure and is easy to process, thereby further reducing the production cost.

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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

一种镂空式背板（2）及使用该背板（2）的背光模组，所述背板（2）包括：本体（20）及设于本体（20）上的散热片（40），所述本体（20）包括底板（22）及连接底板（22）的侧板（24），所述底板（22）设有数个镂空部（220），所述镂空部（220）上设有加强筋（230，232，234，236，238，239），所述散热片（40）设于底板（2）上。该镂空式背板（2）及使用该背板（2）的背光模组，通过在塑胶材料制成的背板（2）的底板（22）上设置镂空部（220），以减轻背板（2）的重量，并通过加强筋（230，232，234，236，238，239）以保证背板（2）的强度，在保证背板（2）强度的前提下极大的减轻重量、降低成本，且利于液晶显示装置的轻量化。该背板（2）结构简单，易加工，进一步降低生产成本。

Description

镂空式背板及使用该背板的背光模组 技术领域
本发明涉及液晶显示领域， 尤其涉及一种镂空式背板及使用该背板的 背光模组。 背景技术
液晶显示装置（LCD, Liquid Crystal Display )具有机身薄、 省电、 无 辐射等众多优点， 得到了广泛的应用。 现有市场上的液晶显示装置大部分 为背光型液晶显示装置， 其包括壳体、 设于壳体内的液晶面板及设于壳体 内的背光模组（backlight module ) 。 液晶面板的工作原理是在两片平行的 玻璃基板当中放置液晶分子， 两片玻璃基板中间有许多垂直和水平的细小 电线， 通过通电与否来控制液晶分子改变方向， 将背光模组的光线折射出 来产生画面。 由于液晶面板本身不发光， 需要借由背光模组提供的光源来 正常显示影像， 因此， 背光模组成为液晶显示装置的关键组件之一。 背光 模组依照光源入射位置的不同分成侧入式背光模组与直下式背光模组两 种。 直下式背光模组是将发光光源例如 CCFL(Cold Cathode Fluorescent Lamp, 阴极萤光灯管)或 LED(Light Emitting Diode发光二极管)设置在液晶 面板后方， 直接形成面光源提供给液晶面板。 而侧入式背光模组是将背光 源 LED灯条（Light bar )设于液晶面板侧后方的背板边缘， LED灯条发出 的光线从导光板 ( LGP , Light Guide Plate )一侧的入光面进入导光板， 经反射和扩散后从导光板出光面射出， 再经由光学膜片组， 以形成面光源 提供给液晶面板。
请参阅图 1 , 液晶显示模组一般包括： 背光模组 100、 设于背光模组 100上的胶框 300、 设于胶框 300上的液晶显示面板 500及设于液晶显示 面板 500上的边框 700, 所述背光模组 100包括： 背板 110、 设于背板 110 内的背光源 130、 设于背板 110 内的反射片 150、 设于反射片 150上的导 光板 170及设于导光板 170上的光学膜片组 190, 所述胶框 300用于承载 液晶显示面板 500, 所述边框 700与背光模组 100的背板 110锁合， 进而 组装成一液晶显示模组。
现有的背板 110 —般为一钣金件， 通过冲压成型制成， 而这种背板 110 一般较重， 不利于液晶显示装置的轻量化， 且， 其材料成本及加工成 本均较高， 不利于成本控制。 发明内容
本发明的目的在于提供一种镂空式背板， 其结构简单， 重量轻， 成本 低， 利于液晶显示装置的轻量化。
本发明的另一目的在于提供一种背光模组， 其釆用镂空式背板， 在很 大程度上降低了生产成本及产品重量， 利于液晶显示装置的轻量化。
为实现上述目的， 本发明提供一种镂空式背板， 包括： 本体及设于本 体上的散热片， 所述本体包括底板及连接底板的侧板， 所述底板设有数个 镂空部， 所述镂空部上设有加强筋， 所述散热片设于底板上。
所述本体由塑胶材料一体成型制成。
所述底板上设有金属加强片， 该加强片通过螺钉锁合于底板上。
所述底板内设有数条金属条， 所述本体结合该金属条注塑成型， 将该 金属条埋设于底板内。
所述底板对应散热片设有开口部。
所述散热片覆盖于该开口部上， 并通过螺钉锁合于底板上。
所述散热片对应该开口部设有一"" ^合部， 该卡合部卡合于该开口部的 侧边， 进而将散热片组装于开口部内。
所述本体结合所述散热片注塑成型 , 形成开口部并将散热片组装于该 开口部内。
本发明还提供一种镂空式背板， 包括： 本体及设于本体上的散热片， 所述本体包括底板及连接底板的侧板， 所述底板设有数个镂空部， 所述镂 空部上设有加强筋， 所述散热片设于底板上；
其中， 所述本体由塑胶材料一体成型制成；
其中， 所述底板上设有金属加强片， 该加强片通过螺钉锁合于底板 上；
其中， 所述底板对应散热片设有开口部；
其中， 所述散热片覆盖于该开口部上， 并通过螺钉锁合于底板上。 本发明还提供一种背光模组， 包括背板、 设于背板内的背光源、 设于 所述背板为镂空式背板， 其包括本体及设于本体上的散热片， 所述本体包 括底板及连接底板的侧板， 所述底板设有数个镂空部， 所述镂空部上设有 加强筋， 所述散热片设于底板上， 所述本体由塑胶材料一体成型制成。
所述底板上设有金属加强片， 该加强片通过螺钉锁合于底板上。
本发明的有益效果： 本发明镂空式背板及使用该背板的背光模组， 通 过在塑胶材料制成的背板的底板上设置镂空部， 以减轻背板的重量， 并通 过加强筋以保证背板的强度， 在保证背板强度的前提下极大的减轻重量、 降低成本， 且利于液晶显示装置的轻量化， 且， 本发明背板结构简单， 易 加工， 进一步降低生产成本。
为了能更进一步了解本发明的特征以及技术内容， 请参阅以下有关本 发明的详细说明与附图， 然而附图仅提供参考与说明用， 并非用来对本发 明加以限制。 附图说明
下面结合附图， 通过对本发明的具体实施方式详细描述， 将使本发明 的技术方案及其它有益效果显而易见。
附图中，
图 1为现有的液晶显示装置的立体分解意图；
图 2为本发明镂空式背板第一实施例的立体分解示意图；
图 3为本发明镂空式背板第二实施例的立体分解示意图；
图 4为本发明镂空式背板第三实施例的立体分解示意图；
图 5为本发明镂空式背板的散热片另一实施例的立体结构示意图； 图 6为本发明背光模组的结构示意图。 具体实施方式
为更进一步阐述本发明所釆取的技术手段及其效果， 以下结合本发明 的优选实施例及其附图进行详细描述。
请参阅图 2, 本发明提供一种镂空式背板 2, 其包括： 本体 20及设于 本体 20上的散热片 40, 所述本体 20包括底板 22及连接底板 22的侧板 24 , 所述底板 22 设有数个镂空部 220, 所述镂空部 220 上设有加强筋 230, 所述散热片 40设于底板 22上。 所述本体 20由塑胶材料一体成型制 成， 且设有镂空部 220, 使得本发明的背板 2成本及重量都相对较低， 而 加强筋 230的设置又保证了背板 2的强度， 进而本发明的背板 2在保证使 用强度的前提下， 有效降低了生产成本， 且利于液晶显示装置的轻量化。
在本实施例中， 所述镂空部 220为三个， 且均呈矩形设置， 为了便于 说明， 在此将三个镂空部 220 分别命名为第一镂空部 222、 第二镂空部 224及第三镂空部 226, 其中， 第一镂空部 222远离散热片 40设置于背板 2 的一端， 其在对角线位置设有两条第一加强筋 232 以加强背板 2 的强 度， 为了加固背板 2该侧边角位置的强度， 本实施例还在第一镂空部 222 远离第二镂空部 224侧的两角上分别斜拉设置一条第二加强筋 234。 所述 第二镂空部 224位于背板 2 的中间位置， 在其一端设有两条第三加强筋 236, 该第三加强筋 236 水平设于第二镂空部 224 的一端。 所述第三镂空 部 226位于背板 2的另一端， 其在对角线位置设有两条第四加强筋 238以 加强背板 2 的强度， 并在靠近散热片 40 侧的两角位置设置第五加强筋 239, 以加强背板 2另一侧边角的强度。
所述散热片 40设于第三镂空部 226的远离第二镂空部 224的侧边， 所述底板 22对应该散热片 40设有一矩形开口部 204, 在本实施例中， 所 述散热片 40 包括一矩形主体 42及凸设于该该矩形主体 42 上的凸起部 44, 组装时， 该散热片 40覆盖于所述开口部 204上， 并通过螺钉锁合于 底板 22上。
请参阅图 3 , 为本发明镂空式背板 2，第二实施例的立体分解示意图， 在本实施例中， 所述底板 22内设有数条金属条 60, 本体 20结合该金属条 60注塑成型， 将金属条 60埋设于底板 22内， 进一步加强背板 2，的强度。
请参阅图 4, 为本发明镂空式背板 2"第三实施例的立体分解示意图， 在本实施例中， 所述底板 22上设有金属加强片 80, 该加强片 80通过螺钉 锁合于底板 22上， 进一步加强背板 2"的强度。
请参阅图 5 , 为本发明镂空式背板的散热片另一实施例的立体结构示 意图， 在本实施例中， 所述散热片 40，对应所述背板 2底板 22上的开口部 204设有一"" ^合部 46，， 该卡合部 46，卡合于该开口部 204的侧边， 进而将 散热片 40，组装于开口部 204内。 优选的， 先加工好散热片 40，， 再将本体 20结合散热片 40，注塑成型， 形成开口部 204并将散热片 40，组装于该开 口部 204内。
请参阅图 2及图 6, 本发明还提供一种背光模组， 包括背板 2、 设于 背板 2 内的背光源 4、 设于背板 2 内的反射片 6、 设于反射片 6上的导光 板 8及设于导光板 8上的光学膜片组 9, 所述背板 2为镂空式背板， 其包 括本体 20及设于本体 20上的散热片 40, 所述本体 20包括底板 22及连接 底板 22的侧板 24, 所述底板 22设有数个镂空部 220, 所述镂空部 220上 设有加强筋 230, 所述散热片 40设于底板 22上。 所述本体 20由塑胶材料 一体成型制成， 且设有镂空部 220, 使得本发明的背板 2成本及重量都相 对较低， 而加强筋 230的设置又保证了背板 2的强度， 进而本发明的背板 2 在保证使用强度的前提下， 有效降低了生产成本， 且利于液晶显示装置 的轻量化。
在本实施例中， 所述镂空部 220为三个， 且均呈矩形设置， 为了便于 说明， 在此将三个镂空部 220 分别命名为第一镂空部 222、 第二镂空部 224及第三镂空部 226, 其中， 第一镂空部 222远离散热片 40设置于背板 2 的一端， 其在对角线位置设有两条第一加强筋 232 以加强背板 2 的强 度， 为了加固背板 2该侧边角位置的强度， 本实施例还在第一镂空部 222 远离第二镂空部 224侧的两角上分别斜拉设置一条第二加强筋 234。 所述 第二镂空部 224位于背板 2 的中间位置， 在其一端设有两条第三加强筋 236, 该第三加强筋 236 水平设于第二镂空部 224 的一端。 所述第三镂空 部 226位于背板 2的另一端， 其在对角线位置设有两条第四加强筋 238以 加强背板 2 的强度， 并在靠近散热片 40 侧的两角位置设置第五加强筋 239, 以加强背板 2另一侧边角的强度。
所述散热片 40设于第三镂空部 226的远离第二镂空部 224的侧边， 所述底板 22对应该散热片 40设有一矩形开口部 204, 在本实施例中， 所 述散热片 40 包括一矩形主体 42及凸设于该该矩形主体 42 上的凸起部 44, 组装时， 该散热片 40覆盖于所述开口部 204上， 并通过螺钉锁合于 底板 22上。
值得一提的是， 为了进一步加强背板的强度， 还可以在背板的底板上 设有金属加强片或在背板内埋设金属条， 所述金属加强片可通过螺钉锁合 于底板上。
综上所述， 本发明镂空式背板及使用该背板的背光模组， 通过在塑胶 材料制成的背板的底板上设置镂空部， 以减轻背板的重量， 并通过加强筋 以保证背板的强度， 在保证背板强度的前提下极大的减轻重量、 降低成 本， 且利于液晶显示装置的轻量化， 且， 本发明背板结构简单， 易加工， 进一步降低生产成本。
以上所述， 对于本领域的普通技术人员来说， 可以根据本发明的技术 方案和技术构思作出其他各种相应的改变和变形， 而所有这些改变和变形 都应属于本发明权利要求的保护范围。

Claims

权 利 要 求
1、 一种镂空式背板， 包括： 本体及设于本体上的散热片， 所述本体 包括底板及连接底板的侧板， 所述底板设有数个镂空部， 所述镂空部上设 有加强筋， 所述散热片设于底板上。
2、 如权利要求 1 所述的镂空式背板， 其中， 所述本体由塑胶材料一 体成型制成。
3、 如权利要求 2 所述的镂空式背板， 其中， 所述底板上设有金属加 强片， 该加强片通过螺钉锁合于底板上。
4、 如权利要求 2 所述的镂空式背板， 其中， 所述底板内设有数条金 属条， 所述本体结合该金属条注塑成型， 将该金属条埋设于底板内。
5、 如权利要求 1 所述的镂空式背板， 其中， 所述底板对应散热片设 有开口部。
6、 如权利要求 5 所述的镂空式背板， 其中， 所述散热片覆盖于该开 口部上， 并通过螺钉锁合于底板上。
7、 如权利要求 5 所述的镂空式背板， 其中， 所述散热片对应该开口 部设有一"" ^合部， 该卡合部卡合于该开口部的侧边， 进而将散热片组装于 开口部内。
8、 如权利要求 7 所述的镂空式背板， 其中， 所述本体结合所述散热 片注塑成型， 形成开口部并将散热片组装于该开口部内。
9、 一种镂空式背板， 包括： 本体及设于本体上的散热片， 所述本体 包括底板及连接底板的侧板， 所述底板设有数个镂空部， 所述镂空部上设 有加强筋， 所述散热片设于底板上；
其中， 所述本体由塑胶材料一体成型制成；
其中， 所述底板上设有金属加强片， 该加强片通过螺钉锁合于底板 上；
其中， 所述底板对应散热片设有开口部；
其中， 所述散热片覆盖于该开口部上， 并通过螺钉锁合于底板上。
10、 一种背光模组， 包括背板、 设于背板内的背光源、 设于背板内的反射 空式背板， 其包括本体及设于本体上的散热片 所述本体包括底板及连接 底板的侧板， 所述底板设有数个镂空部， 所述镂空部上设有加强筋， 所述 散热片设于底板上， 所述背光源设于该散热片上， 所述本体由塑胶材料一 体成型制成。
11、 如权利要求 10 所述的背光模组， 其中， 所述底板上设有金属加 强片， 该加强片通过螺针锁合于底板上。
PCT/CN2012/081372 2012-09-07 2012-09-14 镂空式背板及使用该背板的背光模组 WO2014036755A1 (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170227704A1 (en) * 2015-11-12 2017-08-10 Shenzhen China Star Optoelectronics Technology Co. Ltd. Back Plate Assembly, Backlight Module, And Display Device
CN107166248A (zh) * 2017-06-26 2017-09-15 武汉天马微电子有限公司 显示屏及显示装置

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103309086A (zh) * 2013-05-31 2013-09-18 昆山电子羽电业制品有限公司 一种液晶显示器背板
CN104916227A (zh) * 2015-06-18 2015-09-16 奥英光电（苏州）有限公司 一种曲面显示器的背板组件
CN105223716A (zh) * 2015-09-24 2016-01-06 深圳市华星光电技术有限公司 液晶显示装置的背板以及液晶显示装置
CN105227874B (zh) * 2015-10-08 2018-08-14 深圳市华星光电技术有限公司 一种背板
CN105702767A (zh) * 2016-03-23 2016-06-22 浙江精工能源科技集团有限公司 一种单层层状光伏组件
CN108873427B (zh) * 2018-06-28 2020-12-22 惠州市华星光电技术有限公司 背板结构
CN218413854U (zh) * 2022-10-09 2023-01-31 重庆宜能信新材料科技有限公司 一种高强度的背板

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001337611A (ja) * 2000-03-22 2001-12-07 Furukawa Electric Co Ltd:The 表示装置のフレーム
JP2009098309A (ja) * 2007-10-15 2009-05-07 Hitachi Ltd 薄型表示装置用構造部材
CN201315041Y (zh) * 2008-12-20 2009-09-23 蔡添庆 Cpu背板结构
CN101604098A (zh) * 2008-06-13 2009-12-16 中强光电股份有限公司 反光背板及直下型背光模块
CN201672468U (zh) * 2010-05-04 2010-12-15 广州创维平面显示科技有限公司 一种背光模组的后背板结构

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201081178Y (zh) * 2007-08-02 2008-07-02 比亚迪股份有限公司 高强度背光模组
CN101440944B (zh) * 2008-12-16 2011-08-31 友达光电股份有限公司 背板结构与背光模块
CN201748348U (zh) * 2010-08-31 2011-02-16 青岛海信电器股份有限公司 导光板定位结构及背光模组、液晶显示器
CN102384442A (zh) * 2011-10-27 2012-03-21 深圳市华星光电技术有限公司 一种背板、背光模组及液晶显示装置
CN102401351B (zh) * 2011-11-18 2013-02-06 深圳市华星光电技术有限公司 平板显示装置的背框以及背光***
CN102392996B (zh) * 2011-11-18 2014-12-10 深圳市华星光电技术有限公司 一种框架式背板、背光模组和液晶显示装置
CN102410508B (zh) * 2011-11-18 2013-12-04 深圳市华星光电技术有限公司 显示装置的拼接式背板结构
CN102392997A (zh) * 2011-11-21 2012-03-28 深圳市华星光电技术有限公司 一种背板、背光模组及液晶显示装置
CN102563459B (zh) * 2011-12-13 2014-06-11 深圳市华星光电技术有限公司 背光模组及液晶显示装置
CN102620214A (zh) * 2012-04-11 2012-08-01 深圳市华星光电技术有限公司 一种背光模组及液晶显示装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001337611A (ja) * 2000-03-22 2001-12-07 Furukawa Electric Co Ltd:The 表示装置のフレーム
JP2009098309A (ja) * 2007-10-15 2009-05-07 Hitachi Ltd 薄型表示装置用構造部材
CN101604098A (zh) * 2008-06-13 2009-12-16 中强光电股份有限公司 反光背板及直下型背光模块
CN201315041Y (zh) * 2008-12-20 2009-09-23 蔡添庆 Cpu背板结构
CN201672468U (zh) * 2010-05-04 2010-12-15 广州创维平面显示科技有限公司 一种背光模组的后背板结构

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170227704A1 (en) * 2015-11-12 2017-08-10 Shenzhen China Star Optoelectronics Technology Co. Ltd. Back Plate Assembly, Backlight Module, And Display Device
CN107166248A (zh) * 2017-06-26 2017-09-15 武汉天马微电子有限公司 显示屏及显示装置

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