WO2013177809A1 - 侧入式背光模组 - Google Patents

侧入式背光模组 Download PDF

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Publication number
WO2013177809A1
WO2013177809A1 PCT/CN2012/076468 CN2012076468W WO2013177809A1 WO 2013177809 A1 WO2013177809 A1 WO 2013177809A1 CN 2012076468 W CN2012076468 W CN 2012076468W WO 2013177809 A1 WO2013177809 A1 WO 2013177809A1
Authority
WO
WIPO (PCT)
Prior art keywords
bracket
bottom plate
backlight module
type backlight
light guide
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/CN2012/076468
Other languages
English (en)
French (fr)
Inventor
张彦学
萧宇均
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.)
Filing date
Publication date
Application filed by Shenzhen China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Priority to DE112012006456.9T priority Critical patent/DE112012006456T5/de
Priority to US13/699,710 priority patent/US8974106B2/en
Publication of WO2013177809A1 publication Critical patent/WO2013177809A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • 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
    • G02B6/0086—Positioning aspects
    • G02B6/009—Positioning aspects of the light source in 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133314—Back frames

Definitions

  • the present invention relates to the field of liquid crystal display, and in particular to a side-lit backlight module. 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 displays, which include a liquid crystal display panel and a backlight module.
  • the working principle of the liquid crystal display 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 energizing or not, and the light of the backlight module is changed. Refracted to produce a picture. Since the liquid crystal display panel itself does not emit light, the backlight provided by the backlight module is required to display the image normally. Therefore, 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 backlight.
  • a backlight such as a CCFL (Cold Cathode Fluorescent Lamp) or an LED (Light Emitting Diode) is disposed behind the liquid crystal display panel, and a surface light source is directly formed and supplied to the liquid crystal display panel.
  • the side-lit backlight module has a backlight LED light bar disposed on the edge of the back panel behind the liquid crystal display panel, and the light emitted by the LED light bar enters the light guide plate from the light incident surface of the light guide plate side, and is reflected. And diffusing and exiting from the light-emitting surface of the light guide plate to form a surface light source for being supplied to the liquid crystal display panel.
  • the edge-lit backlight module includes: a back sheet 100 , a reflective sheet 200 disposed in the back sheet 100 , a light guide plate 300 disposed on the reflective sheet 200 , and a backlight 400 disposed in the back sheet 100 .
  • the heat sink 500 disposed between the backlight 400 and the back plate 100 and the support member 600 disposed in the back plate 100 to support the light guide plate 300.
  • the backlight 100 includes a bottom plate 102 and a side plate 104 connected to the bottom plate 102.
  • the backlight 400 is mounted on the heat sink 500.
  • the heat sink 500 is fixed to the bottom plate 102 of the back plate 100 by screws. The heat generated by the backlight 400 passes through the heat sink.
  • the 500 is transferred to the bottom plate 102 of the backboard 100, and is heat-exchanged by the backplane 100 to exchange heat with the outside air.
  • the backing plate 100 is usually made of SECC (electrolytic lead-plated steel plate) with aluminum, or aluminum alloy alone, and a relatively large amount of metal material is used.
  • the backboard adopts a relatively large amount of metal materials to make the backlight module relatively heavy, and the backboard raw materials are only one or two specific types, and the backboard cost is relatively fluctuated by the raw material price, which is not conducive to cost control. Summary of the invention
  • Another object of the present invention is to provide a side-entry backlight module that uses a plastic material to form a back plate, and a reflective surface on the back plate to replace the existing reflective sheet, thereby facilitating the cylindrical side-entry backlight.
  • the structure of the module reduces costs.
  • the present invention provides a side-lit backlight module, including: a backplane, a backlight disposed in the backplane, and a light guide panel disposed in the backplane, the backplane includes a body and is connected to the body
  • the bracket is made of a plastic material, the bracket is made of a metal material, and the backlight is mounted on the bracket.
  • the body is provided with a reflective surface facing the light guide plate, and the light guide plate is directly placed on the reflective surface of the body.
  • the body is made of a high reflectivity plastic material.
  • the body is made of LCP.
  • the bracket is made of a highly thermally conductive metal material.
  • the bracket is made of aluminum.
  • the main body is integrally formed, and includes a bottom plate and a plurality of side plates connected to the bottom plate, and the side plates and the bottom plate form a mounting gap, and the bracket is installed in the mounting notch.
  • the bracket includes a connecting portion and a mounting portion connected to the connecting portion, the connecting portion is connected to the bottom plate of the body, the mounting portion is located in the mounting notch, and the backlight is mounted on the mounting portion. And facing the light incident side of the light guide plate.
  • the bottom plate of the main body is provided with a plurality of positioning protrusions protruding toward the outer side of the bottom plate, and the connecting portion of the bracket is correspondingly provided with a plurality of receiving grooves for respectively receiving the positioning protrusions, and the connecting portion is located outside the bottom plate by a screw lock
  • the connection portion is coupled to the bottom plate, and the mounting portion and the side plate together define a closed back plate side wall.
  • the bracket is an aluminum extruded or aluminum stamped part.
  • the side-entry backlight module of the present invention realizes the lightweight of the side-entry backlight module by using a back plate composed of a plastic body and a metal bracket, and the plastic material has more selectivity. Furthermore, the disadvantages of the single material of the existing backboard and the large price fluctuation are overcome, the production cost is effectively reduced, and the body is directly provided with a reflecting surface, thereby avoiding the use of the reflecting sheet, facilitating the installation of the light guiding plate, and further reducing the production cost. .
  • FIG. 1 is a partial perspective cross-sectional view of a conventional side-entry backlight module
  • FIG. 2 is a partial perspective cross-sectional view of a side-lit backlight module of the present invention
  • FIG. 3 is a schematic perspective view of the back plate of FIG. 2;
  • Figure 4 is a perspective exploded view of Figure 3. detailed description
  • the present invention provides a side-lit backlight module, including: a backplane 2, a backlight 4 disposed in the backplane 2, and a light guide panel 6 disposed in the backplane 2,
  • the backboard 2 includes a body 22 and a bracket 24 connected to the body 22.
  • the body 22 is made of a plastic material
  • the bracket 24 is made of a metal material
  • the backlight 4 is mounted on the bracket 24.
  • the body 22 is made of a high reflectivity plastic material
  • the bracket 24 is made of a highly thermally conductive metal material.
  • the plastic material may be selected from thermoplastic plastics such as PC (Polycarbonate, Polycarbonate), PA (Polyamide, Polyamide), etc.
  • the body 22 is made of LCP (Liquid Crystal Polymer, Made of liquid crystal polymer), it is preferably made of Japan Polyplastics C400 plastic, which has high reflectivity and thus ensures the illumination intensity of the backlight module; the bracket 24 is made of aluminum.
  • LCP Liquid Crystal Polymer, Made of liquid crystal polymer
  • the body 22 is provided with a reflective surface 220 facing the light guide plate 6.
  • the light guide plate 6 is directly placed on the reflective surface 220 of the body 22, which facilitates the installation of the light guide plate, and the reflective surface 220 replaces the prior art.
  • the reflection sheet in the reflection reflects the light emitted by the backlight 4, so that the backlight module of the present invention does not need to be provided with a reflection sheet, thereby ensuring the illumination intensity of the backlight module, which greatly reduces the production cost. .
  • the weight of the plastic material is light, the weight of the backlight module can be effectively reduced, which is advantageous for weight reduction.
  • the body 22 includes a bottom plate 222 and a plurality of side plates 224 connected to the bottom plate 222.
  • the side plates 224 of the body 22 are integrally formed with the bottom plate 222.
  • the side plates 224 and the bottom plate 222 are integrally injection molded. production.
  • the number of the side plates 224 is three.
  • An accommodating space (not shown) is formed on the bottom plate 222 to accommodate the light guide plate 6 .
  • the three side plates 224 and the bottom plate 222 together form a mounting notch 240 .
  • the bracket 24 is mounted in the mounting notch 240 .
  • the bracket 24 includes a connecting portion 242 and a mounting portion 244 connected to the connecting portion 242.
  • the connecting portion 242 is connected to the bottom plate 222 of the body 22, and the mounting portion 244 is located in the mounting notch 240.
  • the connecting portion 242 is coupled to one end of the bottom plate 222 by a screw (not shown), and the body 22 and the bracket 24 are locked together to form the back plate 2.
  • the backlight 4 is mounted on the mounting portion 244 and faces the light incident side surface 62 of the light guide plate 6. Since the mounting portion 244 of the bracket 24 is made of a highly thermally conductive metal material, the backlight mold can be ensured. The thermal conductivity of the group to ensure the quality of the backlight module.
  • the bracket 24 is an aluminum extruded or aluminum stamped part.
  • the three side plates 224 of the main body 22 are respectively located on opposite sides of the bottom plate 222 and the bottom plate 222 is away from the bracket 24-end.
  • the bottom plate 222 of the main body 22 is disposed adjacent to the end of the bracket 24 and is provided with a plurality of outer sides of the bottom plate 222.
  • the positioning portion 242 of the bracket 24 is correspondingly provided with a plurality of receiving slots 246 for respectively receiving the positioning protrusions 226, and the connecting portion 242 is located outside the bottom plate 222 and is connected by screw locking
  • the mounting portion 244 and the side plate 224 together form a closed back side wall 20, and the light guide plate 6 is disposed in the closed back side wall 20.
  • the side-entry backlight module of the present invention realizes the lightweight of the side-entry backlight module by adopting a back plate composed of a plastic body and a metal bracket, and overcomes the existing back due to the more selective selection of the plastic material.
  • the disadvantages of single material and large price fluctuations are effective, which reduces the production cost, and the body directly has a reflecting surface, which avoids the use of the reflective sheet, facilitates the installation of the light guide plate, and further reduces the production cost.

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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)
  • Planar Illumination Modules (AREA)

Description

侧入式背光模组 技术领域
本发明涉及液晶显示领域， 尤其涉及一种侧入式背光模组。 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 为背光型液晶显示器， 其包括液晶显示面板及背光模组 （ backlight module ) 。 液晶显示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 晶显示面板本身不发光， 需要借由背光模组提供的背光源来正常显示影 像， 因此， 背光模组成为液晶显示装置的关键组件之一。 背光模组依照背 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 背光模组是将背光源例如 CCFL(Cold Cathode Fluorescent Lamp, 阴极萤光 灯管）或 LED(Light Emitting Diode , 发光二极管）设置在液晶显示面板后 方， 直接形成面光源提供给液晶显示面板。 而侧入式背光模组是将背光源 LED 灯条（lightbar )设于液晶显示面板侧后方的背板边缘， LED 灯条发 出的光线从导光板一侧的入光面进入导光板， 经反射和扩散后从导光板出 光面出射， 以形成面光源提供给液晶显示面板。
请参阅图 1 , 侧入式背光模组包括： 背板 100、 设置于背板 100 内的 反射片 200、 设置于反射片 200上的导光板 300、 设置于背板 100 内的背 光源 400、 设于背光源 400与背板 100之间的散热片 500及设于背板 100 内支撑导光板 300 的支撑件 600。 背板 100 包括底板 102及连接于底板 102的侧板 104, 背光源 400安装于散热片 500上， 散热片 500通过螺釘 固定于背板 100的底板 102上， 背光源 400发出的热量通过散热片 500传 递至背板 100的底板 102, 通过背板 100与外界的空气进行热交换散热。 为利于散热， 背板 100通常采用 SECC (电解亚铅镀辞钢板）搭配铝材制 成， 或者单独采用铝合金制成， 用到比较大量的金属材料。
然而， 背板采用比较大量的金属材料使得背光模组比较重， 且背板原 材料仅为特定的一两种， 背板成本受原材料价格波动比较大， 不利于成本 控制。 发明内容
本发明的目的在于提供一种侧入式背光模组， 其通过采用塑胶材料来 制作背板， 减轻背板重量， 有利于实现背光模组的轻量化， 且有利于控制 原材料成本。
本发明的另一目的在于提供一种侧入式背光模组， 其通过采用塑胶材 料来制作背板， 在背板上形成反射面以替代现有的反射片， 从而利于筒化 侧入式背光模组的结构， 降低成本。
为实现上述目的， 本发明提供一种侧入式背光模组， 包括： 背板、 设 于背板内的背光源及设于背板内的导光板， 所述背板包括本体及连接于本 体的支架， 所述本体由塑胶材料制成， 所述支架由金属材料制成， 所述背 光源安装于所述支架上。
所述本体设有面对导光板的反射面， 所述导光板直接放置在本体的反 射面上。
所述本体由高反射率的塑胶材料制成。
所述本体由 LCP制成。
所述支架由高导热性的金属材料制成。
所述支架由铝制成。
所述本体一体成型制成， 其包括底板及连接于底板的数个侧板， 且侧 板与底板共同形成一安装缺口， 所述支架安装于该安装缺口内。
所述支架包括连接部及连接于该连接部的安装部， 所述连接部连接于 本体的底板上， 所述安装部位于所述安装缺口内， 所述背光源安装于所述 安装部上， 且正对着导光板的入光侧面。
所述本体的底板设有数个向底板外侧突出的定位突起， 所述支架的连 接部对应设有数个容纳槽以分别容纳该定位突起， 且所述连接部位于所述 底板的外侧， 通过螺釘锁合连接于所述底板上， 所述安装部与侧板共同围 成一个封闭的背板侧壁。
所述支架为铝挤或铝沖压件。
本发明的有益效果： 本发明侧入式背光模组， 通过采用由塑胶本体与 金属支架组合成的背板， 实现侧入式背光模组的轻量化， 由于塑胶类材料 的选择性较多， 进而克服了现有背板原材料单一， 价格波动大的弊端， 有 效降低了生产成本， 且该本体直接设有反射面， 避免了反射片的使用， 方 便了导光板的安装， 进一步降低了生产成本。
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为现有侧入式背光模组部分立体剖面示意图；
图 2为本发明侧入式背光模组部分立体剖面示意图；
图 3为图 2中背板的立体结构示意图；
图 4为图 3的立体分解示意图。 具体实施方式
为更进一步阐述本发明所采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 至图 4 , 本发明提供一种侧入式背光模组， 包括： 背板 2、 设于背板 2内的背光源 4及设于背板 2内的导光板 6, 所述背板 2包括 本体 22及连接于本体 22的支架 24, 所述本体 22由塑胶材料制成， 所述 支架 24由金属材料制成， 所述背光源 4安装于所述支架 24上。 优选的， 所述本体 22由高反射率的塑胶材料制成， 所述支架 24由高导热性的金属 材料制成。 所述塑胶材料可选用热塑性塑胶 ( Thermoplastic ) , 如 PC ( Polycarbonate, 聚碳酸酯树脂） ， PA ( Polyamide , 聚醯胺）等， 在本实 施例中， 所述本体 22 由 LCP ( Liquid Crystal Polymer, 液晶高分子聚合 物）制成， 优选日本宝理 C400 塑胶， 其反射率较高， 进而保证背光模组 的光照强度； 所述支架 24由铝制成。
所述本体 22设有面对导光板 6的反射面 220, 所述导光板 6直接放置 在本体 22的反射面 220上， 方便了导光板的安装， 且所述反射面 220代 替了现有技术中的反射片对背光源 4发出的光线进行反射， 因此， 在本发 明提供的背光模组中不需设置反射片， 就能保证背光模组的光照强度， 在 很大程度上降低了生产成本。 另， 由于塑胶材料的重量较轻， 可有效降低 背光模组的重量， 有利于轻量化。
所述本体 22包括底板 222及连接于底板 222的数个侧板 224, 所述本 体 22的侧板 224与底板 222一体成型制成， 优选的， 所述侧板 224与底 板 222—体注塑成型制成。 在本实施例中， 所述侧板 224的数量为三个， 其与底板 222形成一容置空间 （未标示） 以容置导光板 6, 同时， 该三个 侧板 224与底板 222共同形成一安装缺口 240, 所述支架 24安装于该安装 缺口 240内。
所述支架 24包括连接部 242及连接于该连接部 242的安装部 244, 所 述连接部 242连接于本体 22的底板 222上， 所述安装部 244位于所述安 装缺口 240内。 所述连接部 242通过螺釘（未图示）锁合连接于所述底板 222的一端， 进而将本体 22与支架 24锁合在一起， 形成背板 2。 所述背 光源 4安装于所述安装部 244上， 且正对着导光板 6的入光侧面 62, 由于 该支架 24 的安装部 244 由高导热性的金属材料制成， 进而可以保证背光 模组的导热性， 以保证背光模组的品质。 在本实施例中， 所述支架 24 为 铝挤或铝沖压件。
在本实施例中， 所述本体 22的三个侧板 224分别位于底板 222相对 两侧及底板 222远离支架 24—端， 所述本体 22的底板 222靠近支架 24 一端设有数个向底板 222外侧突出的定位突起 226, 所述支架 24的连接部 242对应设有数个容纳槽 246 以分别容纳该定位突起 226, 且所述连接部 242位于所述底板 222的外侧， 并通过螺釘锁合连接于所述底板 222上， 所述安装部 244与侧板 224共同围成一个封闭的背板侧壁 20, 所述导光板 6设于该封闭的背板侧壁 20内。
本发明侧入式背光模组， 通过采用由塑胶本体与金属支架组合成的背 板， 实现侧入式背光模组的轻量化， 由于塑胶类材料的选择性较多， 进而 克服了现有背板原材料单一， 价格波动大的弊端， 有效降低了生产成本， 且该本体直接设有反射面， 避免了反射片的使用， 方便了导光板的安装， 进一步降低了生产成本。
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、 一种侧入式背光模组， 包括： 背板、 设于背板内的背光源及设于 背板内的导光板， 所述背板包括本体及连接于本体的支架， 所述本体由塑 胶材料制成， 所述支架由金属材料制成， 所述背光源安装于所述支架上。
2、 如权利要求 1 所述的侧入式背光模组， 其中， 所述本体设有面对 导光板的反射面， 所述导光板直接放置在本体的反射面上。
3、 如权利要求 2 所述的侧入式背光模组， 其中， 所述本体由高反射 率的塑胶材料制成。
4、 如权利要求 3所述的侧入式背光模组， 其中， 所述本体由 LCP制 成。
5、 如权利要求 1 所述的侧入式背光模组， 其中， 所述支架由高导热 性的金属材料制成。
6、 如权利要求 5 所述的侧入式背光模组， 其中， 所述支架由铝制 成。
7、 如权利要求 1 所述的侧入式背光模组， 其中， 所述本体一体成型 制成， 其包括底板及连接于底板的数个侧板， 且侧板与底板共同形成一安 装缺口， 所述支架安装于该安装缺口内。
8、 如权利要求 7 所述的侧入式背光模组， 其中， 所述支架包括连接 部及连接于该连接部的安装部， 所述连接部连接于本体的底板上， 所述安 装部位于所述安装缺口内， 所述背光源安装于所述安装部上， 且正对着导 光板的入光侧面。
9、 如权利要求 8 所述的侧入式背光模组， 其中， 所述本体的底板设 有数个向底板外侧突出的定位突起， 所述支架的连接部对应设有数个容纳 槽以分别容纳该定位突起， 且所述连接部位于所述底板的外侧， 通过螺釘 锁合连接于所述底板上， 所述安装部与侧板共同围成一个封闭的背板侧 壁。
10、 如权利要求 9所述的侧入式背光模组， 其中， 所述支架为铝挤或 铝沖压件。
11、 一种侧入式背光模组， 包括： 背板、 设于背板内的背光源及设于 背板内的导光板， 所述背板包括本体及连接于本体的支架， 所述本体由塑 胶材料制成， 所述支架由金属材料制成， 所述背光源安装于所述支架上； 其中， 所述本体设有面对导光板的反射面， 所述导光板直接放置在本 体的反射面上；
其中， 所述本体由 LCP制成；
其中， 所述支架由高导热性的金属材料制成；
其中， 所述支架由铝制成；
其中， 所述本体一体成型制成， 其包括底板及连接于底板的数个侧 板， 且侧板与底板共同形成一安装缺口， 所述支架安装于该安装缺口内； 其中， 所述支架包括连接部及连接于该连接部的安装部， 所述连接部 连接于本体的底板上， 所述安装部位于所述安装缺口内， 所述背光源安装 于所述安装部上， 且正对着导光板的入光侧面；
其中， 所述本体的底板设有数个向底板外侧突出的定位突起， 所述支 架的连接部对应设有数个容纳槽以分别容纳该定位突起， 且所述连接部位 于所述底板的外侧， 通过螺釘锁合连接于所述底板上， 所述安装部与侧板 共同围成一个封闭的背板侧壁；
其中， 所述支架为铝挤或铝沖压件。
PCT/CN2012/076468 2012-06-01 2012-06-05 侧入式背光模组 Ceased WO2013177809A1 (zh)

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