Nothing Special   »   [go: up one dir, main page]

WO2014075323A1 - 直下式背光模组及用该背光模组的液晶显示模组 - Google Patents

直下式背光模组及用该背光模组的液晶显示模组 Download PDF

Info

Publication number
WO2014075323A1
WO2014075323A1 PCT/CN2012/084857 CN2012084857W WO2014075323A1 WO 2014075323 A1 WO2014075323 A1 WO 2014075323A1 CN 2012084857 W CN2012084857 W CN 2012084857W WO 2014075323 A1 WO2014075323 A1 WO 2014075323A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
backlight
plate
bracket
backlight module
Prior art date
Application number
PCT/CN2012/084857
Other languages
English (en)
French (fr)
Inventor
张彦学
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 US13/807,716 priority Critical patent/US9170456B2/en
Publication of WO2014075323A1 publication Critical patent/WO2014075323A1/zh

Links

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
    • G02F1/133602—Direct backlight
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—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 direct type backlight module and a liquid crystal display 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 displays, which include a liquid crystal panel and a backlight module.
  • the working principle of the liquid crystal panel is to place liquid crystal molecules in two parallel glass substrates, control the liquid crystal molecules to change direction by energizing the circuit of the glass substrate, and refract the light of the backlight module to produce a picture. Since the liquid crystal panel itself does not emit light, the light source provided by the backlight module is required to normally display the image. 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 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.
  • CCFL Cold Cathode Fluorescent Lamp
  • LED Light Emitting Diode
  • a liquid crystal display device of a conventional direct type backlight module includes a direct type backlight module 100, a plastic frame 300 disposed on the direct type backlight module 100, and a liquid crystal display disposed on the plastic frame 300.
  • the front panel 700 is disposed on the liquid crystal display panel 500.
  • the direct backlight module 100 includes a backing plate 102, a diffusing plate 104 disposed in the backing plate 102, and a diffusing plate 104 disposed in the backing plate 102 and located in the diffusing plate 104.
  • the backplane 102 includes a bottom plate 122 and a side plate 124 connecting the bottom plate 122.
  • the backlight 106 is mounted on the bottom plate 122.
  • the backlight 106 includes a PCB board 162 and is mounted and electrically connected to the PCB.
  • the LEDs 164 on the board 162 when some or some of the LEDs 164 are damaged and need to be repaired or replaced, the front frame 700, the liquid crystal display panel 500, the plastic frame 300 and the diffuser 104 are first removed. This inevitably damages the components such as the front frame 700, the liquid crystal display panel 500, the plastic frame 300, and the diffusion plate 104, resulting in high maintenance costs, and the front frame 700, the liquid crystal display panel 500, the plastic frame 300, and the expansion. Removable element plate 104 and the like waste a lot of manpower and resources, resulting in high maintenance costs. Summary of the invention
  • the object of the present invention is to provide a direct type backlight module, which has a simple structure and an assembly side.
  • the backlight can be repaired or replaced without disassembling other components, greatly reducing maintenance costs.
  • Another object of the present invention is to provide a liquid crystal display module in which the backlight of the backlight module is detachably disposed, and the maintenance cost is low.
  • the present invention provides a direct type backlight module, including: a back plate, a diffusion plate disposed in the back plate, and a plurality of backlights disposed on the back plate and located under the diffusion plate, the back plate
  • the bottom plate and the side plate connected to the bottom plate are provided with a plurality of receiving openings, and the backlights are mounted on the side of the bottom plate away from the diffusing plate corresponding to the receiving openings.
  • Each backlight includes a PCB and a plurality of LED lamps mounted and electrically connected to the PCB.
  • the bottom plate includes a frame and a bracket mounted on the frame, and the receiving port is formed between the frame and the bracket.
  • the bracket is disposed in a "ten" shape, and is mounted on the frame by a screw lock; the bracket and the frame form four receiving openings, and the backlights correspond to four.
  • the backlight is locked to the backboard by screws.
  • the frame has a rectangular shape, and includes two opposite first connecting plates and two second connecting plates connected to the two ends of the two first connecting plates.
  • the side panel includes two first side walls vertically connected to the two first connecting boards and two second side walls respectively connected to the two second connecting boards.
  • the present invention also provides a direct type backlight module, comprising: a back plate, a diffusion plate disposed in the back plate, and a plurality of backlights disposed on the back plate and located under the diffusion plate, the back plate including the bottom plate and the connection
  • the side plate of the bottom plate is provided with a plurality of receiving openings, and the backlight is mounted on a side of the bottom plate away from the diffusing plate corresponding to the receiving openings;
  • Each backlight includes a PCB board and a plurality of LED lights mounted and electrically connected to the PCB board;
  • the bottom plate includes a frame and a bracket mounted on the frame, and the receiving port is formed between the frame and the bracket;
  • the bracket is disposed in a "ten" shape, and is mounted on the frame by a screw lock; the bracket and the frame form four receiving openings, and the backlights correspond to four;
  • the backlight is locked to the backboard by screws
  • the frame is rectangular, and includes two opposite first connecting plates and two second connecting plates connected to the two ends of the two connecting plates;
  • the side panel includes two first sidewalls vertically connected to the two first connecting panels and two second sidewalls respectively vertically connected to the two second connecting panels.
  • the present invention further provides a liquid crystal display module, comprising: a backlight module, a plastic frame disposed on the backlight module, a liquid crystal display panel disposed on the plastic frame, and a front frame disposed on the liquid crystal display panel, the backlight
  • the module includes a backplane, a diffuser disposed in the backplane, and a plurality of backlights disposed on the backplane and below the diffuser.
  • the backplane includes a bottom panel and a side panel connected to the bottom panel. The backlight is mounted on a side of the bottom plate away from the diffusion plate corresponding to the plurality of receiving openings.
  • the bottom plate includes a frame and a bracket mounted on the frame, and the receiving port is formed between the frame and the bracket; the bracket is disposed in a "ten" shape, and is mounted on the frame by a screw lock;
  • the frame forms four receiving openings, and the backlights correspond to four.
  • the frame is rectangular, and includes two opposite first connecting plates and two second connecting plates connected to the two ends of the two connecting plates; the side plate includes two first vertically connected to the two first connecting plates One side wall and two side walls are perpendicularly connected to the second side walls of the two second connecting plates.
  • the direct-lit backlight module of the present invention and the liquid crystal display module using the backlight module form a backplane bottom plate having a receiving opening through a frame and a bracket, and the backlight is corresponding to some of the receiving openings
  • the bottom plate is away from the side of the diffuser plate.
  • FIG. 1 is a perspective exploded view of a conventional liquid crystal display module
  • FIG. 2 is a perspective exploded view of a direct type backlight module of the present invention
  • FIG. 3 is a schematic perspective view of the back plate of FIG. 2;
  • FIG. 4 is a perspective exploded view of the back plate of the present invention.
  • FIG. 5 is a perspective exploded view of a backplane backlight of the present invention.
  • FIG. 6 is a perspective exploded view of a liquid crystal display module of the present invention.
  • the present invention provides a direct type backlight module 20 , comprising: a back plate 2 , a diffuser plate 4 disposed in the back plate 2 , and a number disposed on the back plate 2 and located below the diffuser plate 4 .
  • a direct type backlight module 20 comprising: a back plate 2 , a diffuser plate 4 disposed in the back plate 2 , and a number disposed on the back plate 2 and located below the diffuser plate 4 .
  • the backplane 2 includes a bottom plate 22 and a side plate 24 connected to the bottom plate 22.
  • the bottom plate 22 is provided with a plurality of receiving openings 222.
  • the backlights 6 are correspondingly mounted on the bottom plate 22 away from the diffusing plate 4. On one side. When repairing or replacing the backlight 6, it is not necessary to remove the diffuser 4, and only the backlight 6 needs to be removed from the back of the backboard 2, the operation is simple and convenient, the maintenance time is greatly saved, and the maintenance cost is reduced.
  • the bottom plate 22 includes a frame 224 and a bracket 226 mounted on the frame 224.
  • the frame 224 and the bracket 226 form the receiving port 222.
  • the bracket 226 is disposed in a "ten" shape. It is mounted on the frame 224 by means of a screw lock.
  • the bracket 226 and the frame 224 form four receiving openings 222, and the backlight 6 corresponds to four. The backlight 6 is locked to the bottom plate of the back plate 2 by screws. Outside of 22.
  • the frame 224 is rectangular, and includes two opposite connecting plates 225 and two second connecting plates 227 connected to the two ends of the two connecting plates 225.
  • the two first connecting plates 225 and the second connecting plates The 227 is connected end to end in sequence, and is assembled into a frame 224.
  • the side plate 24 includes two first side walls 242 vertically connected to the two first connecting plates 225 and two second side walls 244 respectively perpendicularly connected to the two second connecting plates 227.
  • first side wall 242 is integrally formed with the first connecting plate 225
  • second side wall 244 is integrally formed with the second connecting plate 227.
  • the present invention further provides a liquid crystal display module, including: a backlight module 20 , and a plastic frame 40 disposed on the backlight module 20 , and disposed on the plastic frame 40 .
  • the liquid crystal display panel 60 and the front frame 80 provided on the liquid crystal display panel 60.
  • the backlight module 20 includes: a backing plate 2, a diffusing plate 4 disposed in the backing plate 2, and a plurality of backlights 6 disposed on the backing plate 2 and located below the diffusing plate 4.
  • the backplane 2 includes a bottom plate 22 and a side plate 24 connected to the bottom plate 22.
  • the bottom plate 22 is provided with a plurality of receiving openings 222.
  • the backlights 6 are correspondingly mounted on the bottom plate 22 away from the diffusing plate 4. On one side. When repairing or replacing the backlight 6, it is not necessary to remove the diffuser 4, and only the backlight 6 needs to be removed from the back of the backboard 2, the operation is simple and convenient, the maintenance time is greatly saved, and the maintenance cost is reduced.
  • the bottom plate 22 includes a frame 224 and a bracket 226 mounted on the frame 224.
  • the receiving port 222 is formed between the frame 224 and the bracket 226.
  • the bracket 226 The occupant is disposed in the octagonal shape, and the bracket 226 and the frame 224 form four receiving openings 222.
  • the backlight 6 corresponds to four, and the backlight 6 passes through the screw. The outer side of the bottom plate 22 of the backboard 2 is locked.
  • the frame 224 is rectangular, and includes two opposite connecting plates 225 and two second connecting plates 227 connected to the two ends of the two connecting plates 225.
  • the two first connecting plates 225 and the second connecting plates The 227 is connected end to end in sequence, and is assembled into a frame 224.
  • the side plate 24 includes two first side walls 242 vertically connected to the two first connecting plates 225 and two second side walls 244 respectively perpendicularly connected to the two second connecting plates 227.
  • first side wall 242 is integrally formed with the first connecting plate 225
  • second side wall 244 is integrally formed with the second connecting plate 227.
  • the direct-lit backlight module of the present invention and the liquid crystal display module using the backlight module form a backplane bottom plate having a receiving opening through a frame and a bracket, and the backlight is corresponding to the receiving port and mounted on the bottom plate.
  • the backlight can be removed only, and the front frame, the liquid crystal display panel, the plastic frame and the diffuser are not required to be removed, which saves a lot of manpower and material resources.
  • the utility model can effectively reduce the maintenance cost, and avoids damage to the components caused by disassembling the front frame, the liquid crystal display panel, the plastic frame and the diffusion plate in the prior art, and avoids the increase of the maintenance cost.

Landscapes

  • 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

提供一种直下式背光模组（20）及用该背光模组（20）的液晶显示模组，该背光模组（20）包括：背板（2）、设于背板（2）内的扩散板（4）及设于背板（2）上且位于扩散板（4）下方的数个背光源（6），该背板（2）包括底板（22）及连接于底板（22）的侧板（24），该底板（22）上设有数个容置口（222），该背光源（6）对应该些容置口（222）安装于底板（22）远离扩散板（4）的一侧上。通过边框（224）及支架（226）形成具有容置口（222）的背板（2）底板（22），背光源（6）对应该些容置口（222）安装于底板（22）远离扩散板（4）的一侧上，其在对背光源（6）进行维修或更换时，只需将背光源（6）拆下，不需要拆卸其他元件，节省了大量人力物力，方便维修，同时也避免维修或更换背光源（6）时对其他元件造成的损坏，有利于降低维修成本。

Description

直下式背光模组及用该背光模组的液晶显示模组 技术领域
本发明涉及液晶显示领域， 尤其涉及一种直下式背光模组及用该背光 模组的液晶显示模组。 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， 其包括液晶面板及背光模组（backlight module ) 。 液晶面板的工作原理是在两片平行的玻璃基板中放置液晶分子， 通过给玻 璃基板的电路通电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。
请参阅图 1 , 一种现有用直下式背光模组的液晶显示装置， 包括直下 式背光模组 100、 设于直下式背光模组 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上的前框 700, 所述直下 式背光模组 100包括背板 102、 设于背板 102内的扩散板 104及设于背板 102 内且位于扩散板 104下方的背光源 106, 所述背板 102 包括底板 122 及连接底板 122的侧板 124, 所述背光源 106安装于底板 122上， 该背光 源 106包括 PCB板 162及安装并电性连接于 PCB板 162上的数个 LED灯 164, 当其中的某些或某个 LED灯 164损坏需要维修或更换时， 需要先将 前框 700、 液晶显示面板 500、 胶框 300及扩散板 104拆下， 这就不可避 免的可能损坏前框 700、 液晶显示面板 500、 胶框 300及扩散板 104等元 件， 导致较高的维修成本， 且， 对前框 700、 液晶显示面板 500、 胶框 300 及扩散板 104等元件的拆装浪费大量的人力物力， 造成维修成本高。 发明内容
本发明的目的在于提供一种直下式背光模组， 其结构简单， 组装方 便， 可在不拆卸其他元件的前提下对背光源进行维修或更换， 极大的降低 了维修成本。
本发明的另一目的在于提供一种液晶显示模组， 其背光模组的背光源 可拆卸设置， 维修成本低。
为实现上述目的， 本发明提供一种直下式背光模组， 包括： 背板、 设 于背板内的扩散板及设于背板上且位于扩散板下方的数个背光源， 所述背 板包括底板及连接于底板的侧板， 该底板上设有数个容置口， 所述背光源 对应该些容置口安装于底板远离扩散板的一侧上。
每一背光源包括一 PCB 板及安装并电性连接于该 PCB 板上的数个 LED灯。
所述底板包括边框及安装于边框上的支架， 该边框与支架之间形成所 述容置口。
所述支架呈 "十" 字形设置， 其通过螺钉锁合安装于边框上； 所述支 架与边框形成四个容置口， 所述背光源对应为四个。
所述背光源通过螺钉锁合于背板上。
所述边框呈矩形， 其包括两相对设置的第一连接板及连接于该两第一 连接板两端的两第二连接板。
所述侧板包括两分别垂直连接于两第一连接板的第一侧壁及两分别垂 直连接于两第二连接板的第二侧壁。
本发明还提供一种直下式背光模组， 包括： 背板、 设于背板内的扩散 板及设于背板上且位于扩散板下方的数个背光源， 所述背板包括底板及连 接于底板的侧板， 该底板上设有数个容置口， 所述背光源对应该些容置口 安装于底板远离扩散板的一侧上；
其中， 每一背光源包括一 PCB板及安装并电性连接于该 PCB板上的 数个 LED灯；
其中， 所述底板包括边框及安装于边框上的支架， 该边框与支架之间 形成所述容置口；
其中， 所述支架呈 "十" 字形设置， 其通过螺钉锁合安装于边框上； 所述支架与边框形成四个容置口， 所述背光源对应为四个；
其中， 所述背光源通过螺钉锁合于背板上；
其中， 所述边框呈矩形， 其包括两相对设置的第一连接板及连接于该 两第一连接板两端的两第二连接板；
其中， 所述侧板包括两分别垂直连接于两第一连接板的第一侧壁及两 分别垂直连接于两第二连接板的第二侧壁。 本发明还提供一种液晶显示模组， 包括： 背光模组， 设于背光模组上 的胶框， 设于胶框上的液晶显示面板及设于液晶显示面板上的前框， 所述 背光模组包括背板、 设于背板内的扩散板及设于背板上且位于扩散板下方 的数个背光源， 所述背板包括底板及连接于底板的侧板， 该底板上设有数 个容置口， 所述背光源对应该些容置口安装于底板远离扩散板的一侧上。
所述底板包括边框及安装于边框上的支架， 该边框与支架之间形成所 述容置口； 所述支架呈 "十" 字形设置， 其通过螺钉锁合安装于边框上； 所述支架与边框形成四个容置口， 所述背光源对应为四个。
所述边框呈矩形， 其包括两相对设置的第一连接板及连接于该两第一 连接板两端的两第二连接板； 所述侧板包括两分别垂直连接于两第一连接 板的第一侧壁及两分别垂直连接于两第二连接板的第二侧壁。
本发明的有益效果： 本发明的直下式背光模组及用该背光模组的液晶 显示模组， 通过边框及支架形成具有容置口的背板底板， 背光源对应该些 容置口安装于底板远离扩散板的一侧上， 其在对背光源进行维修或更换 时， 只需将背光源拆下， 不需要拆卸前框、 液晶显示面板、 胶框及扩散板 等元件， 节省大量人力物力， 有效降低维修成本， 且避免了现有技术中拆 卸前框、 液晶显示面板、 胶框及扩散板等元件时， 可能对该些元件造成的 损坏， 避免了维修成本增加。
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为现有的液晶显示模组的立体分解示意图；
图 2为本发明直下式背光模组的立体分解示意图；
图 3为图 2中背板的立体结构示意图；
图 4本发明背板的立体分解示意图；
图 5为本发明背板背光源的立体分解示意图；
图 6为本发明液晶显示模组的立体分解示意图。 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 5 , 本发明提供一种直下式背光模 20, 包括： 背板 2、 设于背板 2 内的扩散板 4及设于背板 2上且位于扩散板 4下方的数个 背光源 6。
所述背板 2包括底板 22及连接于底板 22的侧板 24, 该底板 22上设 有数个容置口 222 , 所述背光源 6对应该些容置口 222安装于底板 22远离 扩散板 4的一侧上。 其在维修或更换背光源 6时， 不需要拆除扩散板 4, 只需要将背光源 6由背板 2下方去除即可， 操作简单方便， 大量节省维修 时间， 降低维修成本。
所述底板 22 包括边框 224及安装于边框 224上的支架 226, 该边框 224 与支架 226之间形成所述容置口 222, 在本实施例中， 所述支架 226 呈 "十" 字形设置， 其通过螺钉锁合安装于边框 224上， 所述支架 226与 边框 224形成四个容置口 222, 所述背光源 6对应为四个， 所述背光源 6 通过螺钉锁合于背板 2底板 22的外侧。
所述边框 224呈矩形， 其包括两相对设置的第一连接板 225及连接于 该两第一连接板 225两端的两第二连接板 227, 该两第一连接板 225与两 第二连接板 227依次首尾连接， 进而组装成边框 224。
所述侧板 24包括两分别垂直连接于两第一连接板 225的第一侧壁 242 及两分别垂直连接于两第二连接板 227的第二侧壁 244。
优选的， 所述第一侧壁 242与第一连接板 225 —体成型制成， 所述第 二侧壁 244与第二连接板 227一体成型制成。
请参阅图 6, 并参考图 2 至图 5 , 本发明还提供一种液晶显示模组， 包括： 背光模组 20, 设于背光模组 20上的胶框 40, 设于胶框 40上的液 晶显示面板 60及设于液晶显示面板 60上的前框 80。
所述背光模组 20包括： 背板 2、 设于背板 2内的扩散板 4及设于背板 2上且位于扩散板 4下方的数个背光源 6。
所述背板 2包括底板 22及连接于底板 22的侧板 24, 该底板 22上设 有数个容置口 222 , 所述背光源 6对应该些容置口 222安装于底板 22远离 扩散板 4的一侧上。 其在维修或更换背光源 6时， 不需要拆除扩散板 4, 只需要将背光源 6由背板 2下方去除即可， 操作简单方便， 大量节省维修 时间， 降低维修成本。
所述底板 22 包括边框 224及安装于边框 224上的支架 226, 该边框 224 与支架 226之间形成所述容置口 222, 在本实施例中， 所述支架 226 呈 "十" 字形设置， 其通过螺钉锁合安装于边框 224上， 所述支架 226与 边框 224形成四个容置口 222, 所述背光源 6对应为四个， 所述背光源 6 通过螺钉锁合于背板 2底板 22的外侧。
所述边框 224呈矩形， 其包括两相对设置的第一连接板 225及连接于 该两第一连接板 225两端的两第二连接板 227, 该两第一连接板 225与两 第二连接板 227依次首尾连接， 进而组装成边框 224。
所述侧板 24包括两分别垂直连接于两第一连接板 225的第一侧壁 242 及两分别垂直连接于两第二连接板 227的第二侧壁 244。
优选的， 所述第一侧壁 242与第一连接板 225—体成型制成， 所述第 二侧壁 244与第二连接板 227一体成型制成。
综上所述， 本发明的直下式背光模组及用该背光模组的液晶显示模 组， 通过边框及支架形成具有容置口的背板底板， 背光源对应该些容置口 安装于底板远离扩散板的一侧上， 其在对背光源进行维修或更换时， 只需 将背光源拆下， 不需要拆卸前框、 液晶显示面板、 胶框及扩散板等元件， 节省大量人力物力， 有效降低维修成本， 且避免了现有技术中拆卸前框、 液晶显示面板、 胶框及扩散板等元件时， 可能对该些元件造成的损坏， 避 免了维修成本增加。
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、 一种直下式背光模组， 包括： 背板、 设于背板内的扩散板及设于 背板上且位于扩散板下方的数个背光源， 所述背板包括底板及连接于底板 的侧板， 该底板上设有数个容置口， 所述背光源对应该些容置口安装于底 板远离扩散板的一侧上。
2、 如权利要求 1 所述的直下式背光模组， 其中， 每一背光源包括一 PCB板及安装并电性连接于该 PCB板上的数个 LED灯。
3、 如权利要求 1 所述的直下式背光模组， 其中， 所述底板包括边框 及安装于边框上的支架， 该边框与支架之间形成所述容置口。
4、 如权利要求 3 所述的直下式背光模组， 其中， 所述支架呈 "十" 字形设置， 其通过螺钉锁合安装于边框上； 所述支架与边框形成四个容置 口， 所述背光源对应为四个。
5、 如权利要求 1 所述的直下式背光模组， 其中， 所述背光源通过螺 钉锁合于背板上。
6、 如权利要求 3 所述的直下式背光模组， 其中， 所述边框呈矩形， 其包括两相对设置的第一连接板及连接于该两第一连接板两端的两第二连 接板。
7、 如权利要求 6 所述的直下式背光模组， 其中， 所述侧板包括两分 别垂直连接于两第一连接板的第一侧壁及两分别垂直连接于两第二连接板 的第二侧壁。
8、 一种直下式背光模组， 包括： 背板、 设于背板内的扩散板及设于 背板上且位于扩散板下方的数个背光源， 所述背板包括底板及连接于底板 的侧板， 该底板上设有数个容置口， 所述背光源对应该些容置口安装于底 板远萬扩散板的一侧上；
其中， 每一背光源包括一 PCB板及安装并电性连接于该 PCB板上的 数个 LED灯；
其中， 所述底板包括边框及安装于边框上的支架， 该边框与支架之间 形成所述容置口；
其中， 所述支架呈 "十" 字形设置， 其通过螺钉锁合安装于边框上； 所述支架与边框形成四个容置口， 所述背光源对应为四个；
其中， 所述背光源通过螺钉锁合于背板上；
其中， 所述边框呈矩形， 其包括两相对设置的第一连接板及连接于该 两第一连接板两端的两第二连接板；
其中， 所述侧板包括两分别垂直连接于两第一连接板的第一侧壁及两 分别垂直连接于两第二连接板的第二侧壁。
9、 一种液晶显示模组， 包括： 背光模组， 设于背光模组上的胶框， 设于胶框上的液晶显示面板及设于液晶显示面板上的前框， 所述背光模组 包括背板、 设于背板内的扩散板及设于背板上且位于扩散板下方的数个背 光源， 所述背板包括底板及连接于底板的侧板， 该底板上设有数个容置 口， 所述背光源对应该些容置口安装于底板远离扩散板的一侧上。
10、 如权利要求 9所述的液晶显示模组， 其中， 所述底板包括边框及 安装于边框上的支架， 该边框与支架之间形成所述容置口； 所述支架呈
"十" 字形设置， 其通过螺钉锁合安装于边框上； 所述支架与边框形成四 个容置口， 所述背光源对应为四个。
11、 如权利要求 10 所述的液晶显示模组， 其中， 所述边框呈矩形， 其包括两相对设置的第一连接板及连接于该两第一连接板两端的两第二连 接板； 所述侧板包括两分别垂直连接于两第一连接板的第一侧壁及两分别 垂直连接于两第二连接板的第二侧壁。
PCT/CN2012/084857 2012-11-14 2012-11-20 直下式背光模组及用该背光模组的液晶显示模组 WO2014075323A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/807,716 US9170456B2 (en) 2012-11-14 2012-11-20 Direct backlight module and liquid crystal display module using the backlight module

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210457433.0 2012-11-14
CN2012104574330A CN102901014A (zh) 2012-11-14 2012-11-14 直下式背光模组及用该背光模组的液晶显示模组

Publications (1)

Publication Number Publication Date
WO2014075323A1 true WO2014075323A1 (zh) 2014-05-22

Family

ID=47573406

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/084857 WO2014075323A1 (zh) 2012-11-14 2012-11-20 直下式背光模组及用该背光模组的液晶显示模组

Country Status (3)

Country Link
US (1) US9170456B2 (zh)
CN (1) CN102901014A (zh)
WO (1) WO2014075323A1 (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103644479B (zh) * 2013-12-23 2016-03-30 东莞市奥普特自动化科技有限公司 一种平面平行背光源
CN104020591B (zh) * 2014-06-18 2017-07-21 上海启钧电子有限公司 显示模组结构及其安装方法
CN104407470A (zh) * 2014-12-09 2015-03-11 京东方科技集团股份有限公司 显示装置
CN104501050A (zh) * 2014-12-31 2015-04-08 深圳市华星光电技术有限公司 光源模块及具有该光源模块的背光模组
JP7097812B2 (ja) 2016-07-15 2022-07-08 ソニーグループ株式会社 表示装置
CN108253348A (zh) * 2018-01-24 2018-07-06 京东方科技集团股份有限公司 背光模组和显示装置
CN109058912A (zh) * 2018-06-07 2018-12-21 伟志光电（深圳）有限公司 一种直下式分区显示背光源
CN114706247A (zh) * 2022-04-20 2022-07-05 Tcl华星光电技术有限公司 一种背光模组及显示装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100079977A1 (en) * 2008-10-01 2010-04-01 Samsung Electronics Co., Ltd Backlight assembly
JP2010079977A (ja) * 2008-09-25 2010-04-08 Toppan Printing Co Ltd 定電流型電源回路を有する不揮発性半導体メモリ装置
CN101849134A (zh) * 2007-10-24 2010-09-29 夏普株式会社 显示装置用照明装置、显示装置、电视接收装置
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
CN102384409A (zh) * 2011-11-18 2012-03-21 深圳市华星光电技术有限公司 背光系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4605096B2 (ja) * 2006-05-30 2011-01-05 ソニー株式会社 バックライト装置及びカラー画像表示装置
JP2008084631A (ja) 2006-09-27 2008-04-10 Sharp Corp 照明装置およびそれを備えた表示装置
CN101573554A (zh) * 2007-02-05 2009-11-04 夏普株式会社 背光装置和使用该背光装置的液晶显示装置
CN100573273C (zh) * 2007-11-19 2009-12-23 友达光电股份有限公司 显示器及其背光装置
JP2009266625A (ja) * 2008-04-25 2009-11-12 Epson Imaging Devices Corp 照明装置、液晶表示装置及び電子機器
TWI393958B (zh) * 2009-04-08 2013-04-21 Au Optronics Corp 背光模組與液晶顯示器
WO2011027588A1 (ja) * 2009-09-04 2011-03-10 シャープ株式会社 電子パッケージ、照明装置、表示装置
CN202349769U (zh) * 2011-11-18 2012-07-25 深圳市华星光电技术有限公司 背光系统
CN202484735U (zh) * 2011-12-26 2012-10-10 南京中电熊猫液晶显示科技有限公司 背光模组
CN103307508A (zh) * 2012-03-09 2013-09-18 鑫成科技(成都)有限公司 背光模组的组装方法、背光模组及液晶显示装置
CN102606963A (zh) * 2012-04-09 2012-07-25 创维液晶器件(深圳)有限公司 直下式led液晶背光模组

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101849134A (zh) * 2007-10-24 2010-09-29 夏普株式会社 显示装置用照明装置、显示装置、电视接收装置
JP2010079977A (ja) * 2008-09-25 2010-04-08 Toppan Printing Co Ltd 定電流型電源回路を有する不揮発性半導体メモリ装置
US20100079977A1 (en) * 2008-10-01 2010-04-01 Samsung Electronics Co., Ltd Backlight assembly
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
CN102384409A (zh) * 2011-11-18 2012-03-21 深圳市华星光电技术有限公司 背光系统

Also Published As

Publication number Publication date
US20140226102A1 (en) 2014-08-14
US9170456B2 (en) 2015-10-27
CN102901014A (zh) 2013-01-30

Similar Documents

Publication Publication Date Title
WO2014075323A1 (zh) 直下式背光模组及用该背光模组的液晶显示模组
CN102799023B (zh) 液晶显示装置
KR101279126B1 (ko) 백라이트 유닛 및 이를 이용한 액정표시장치
CN103529596B (zh) 背光模组及用该背光模组的液晶显示装置
EP2215518A2 (en) Liquid crystal display
KR20100078102A (ko) 백라이트 유닛 및 이를 갖는 액정표시장치
KR20100006251A (ko) 액정표시모듈
TW200707027A (en) Backlight unit and liquid crystal display having the same
WO2015096255A1 (zh) 液晶显示装置
WO2012006809A1 (zh) 背光模块及其灯条定位构造
KR20110113981A (ko) Ｌｅｄ 백라이트 유니트 및 이를 포함하는 ｌｅｄ 모듈
WO2015192419A1 (zh) 显示模组结构及其安装方法
WO2013177802A1 (zh) 背光模组
WO2014075321A1 (zh) 液晶显示装置
WO2013152521A1 (zh) 直下式背光模组
US9030642B2 (en) Liquid crystal display device
KR101095999B1 (ko) 백라이트 유니트 및 이를 구비한 액정표시장치
WO2014019258A1 (zh) 侧入式背光模组
US20100128195A1 (en) Backlight Module and Liquid Crystal Display Device Using the Same
WO2013166747A1 (zh) 背光模组
WO2015066941A1 (zh) 直下式背光模组
CN202394014U (zh) 液晶显示模组
WO2014075357A1 (zh) 一种采用直下式背光的液晶模组及液晶显示器
WO2013177805A1 (zh) 背光模组
KR20070119453A (ko) 액정표시장치의 백라이트 유닛

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 13807716

Country of ref document: US

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12888294

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12888294

Country of ref document: EP

Kind code of ref document: A1