WO2015058418A1 - 背光模组及用该背光模组的液晶显示装置 - Google Patents

背光模组及用该背光模组的液晶显示装置 Download PDF

Info

Publication number
WO2015058418A1
WO2015058418A1 PCT/CN2013/086178 CN2013086178W WO2015058418A1 WO 2015058418 A1 WO2015058418 A1 WO 2015058418A1 CN 2013086178 W CN2013086178 W CN 2013086178W WO 2015058418 A1 WO2015058418 A1 WO 2015058418A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit board
printed circuit
backlight module
light guide
hook
Prior art date
Application number
PCT/CN2013/086178
Other languages
English (en)
French (fr)
Inventor
俞刚
萧宇均
陈仕祥
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 US14/126,429 priority Critical patent/US9194996B2/en
Publication of WO2015058418A1 publication Critical patent/WO2015058418A1/zh

Links

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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0073—Light emitting diode [LED]
    • 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
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • G02B6/0083—Details of electrical connections of light sources to drivers, circuit boards, or the like
    • 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
    • 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
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • 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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/46—Fixing elements
    • G02F2201/465—Snap -fit

Definitions

  • 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 liquid crystal display panel and a backlight module.
  • the operation of the liquid crystal display panel liquid crystal molecules are placed in the parallel glass substrate, and there are many vertical and horizontal small wires in the middle of the two glass substrates.
  • the light of the backlight module is directed to the screen. Since the liquid crystal display panel itself does not emit light, the backlight module is required to display the t source to display the image normally. Therefore, the backlight module becomes a key component of the liquid crystal display device, and the backlight module is in accordance with the light source.
  • the surface forming light source is supplied to the liquid crystal display panel.
  • the side-in backlight module is a light-emitting surface of the side of the LED light bar (LGP, Light Guide Plate) after the backlight LED strip (Light bar) is disposed on the side of the liquid crystal display panel.
  • the light guide plate is reflected and diffused, and is emitted from the light exit surface of the light guide plate, and then the diaphragm group is formed by j to form a surface light source to display the crystal display surface 4 opposite.
  • Figure 1 is a conventional liquid crystal display device
  • the backlight 100 of the optical module is directly mounted on the bottom plate 302 of the backplane by a screw-locking manner.
  • the stepped hole 12.0 is provided on the printed circuit board (PCB) 102 of the backlight 100, and the screw cap of the screw 150 is completely filled.
  • the upper surface of the printed circuit board 102 is relatively flat, and the reflective sheet 500 is directly carried on the printed circuit board 102 to avoid the design of the support structure, reducing the cost and reducing the thickness of the liquid crystal display device.
  • the formation of the stepped hole 120 in the printed circuit board 102 may cause the strength of the printed circuit board 102 to decrease, so that the screw 150 mounted in the printed circuit board 102 cannot firmly secure the printed circuit.
  • the board 102 is fixed to the bottom plate 302 of the back board * Summary of the invention
  • Another object of the present invention is to provide a liquid crystal display device which has a simple structure, ensures the mounting strength of the printed circuit board, improves the quality of the liquid crystal display device, and is advantageous in achieving thinning and narrow frame of the liquid crystal display device.
  • the present invention provides a backlight module, including: a back plate, a light guide plate disposed in the back plate, a backlight disposed in the back plate, an optical film set disposed on the light guide plate, and a reflective sheet between the backboard and the light guide plate, the backlight comprising a printed circuit board and a plurality of LED lights mounted and electrically connected to the printed circuit board, the backboard comprising a bottom plate and a number vertically connected to the bottom plate
  • the side plate is disposed between the bottom plate of the back plate and the light guide plate, and the bottom plate of the back plate is provided with a locking structure, and the printed circuit board is engaged in the engaging structure, the reflection The sheet is directly supported on the printed circuit board.
  • the engaging structure includes an abutting portion, a hook perpendicularly connected to the abutting portion away from the bottom plate end, and an elastic portion disposed opposite the abutting portion, the abutting portion, the clasp and the elastic portion forming a cavity
  • the printed circuit board is engaged in the accommodating space; the abutting portion abuts against one side of the printed circuit board, and the elastic portion abuts against the other side of the printed circuit board
  • the hook is engaged with the upper surface of the printed circuit board.
  • the elastic portion is made of an elastic material that is attached to the bottom plate by a locking or adhesive means.
  • the abutting portion is integrally formed with the buckle and is mounted on the bottom plate by locking or welding.
  • the abutting portion is formed by an upwardly extending inner surface of the bottom plate, and the abutting portion is integrally formed with the bottom plate.
  • the elastic portion is made of an elastic material that is attached to the bottom plate by a locking or adhesive means.
  • the engaging structure includes an abutting portion, a hook perpendicularly connected to the abutting portion away from the bottom plate end, and an elastic portion disposed opposite the abutting portion, the abutting portion, the clasp and the elastic portion forming a cavity
  • the printed circuit board is engaged in the accommodating space; the abutting portion abuts against one side of the printed circuit board, and the elastic portion abuts against the other side of the printed circuit board
  • the hook is engaged with the upper surface of the printed circuit board.
  • the abutting portion is integrally formed with the buckle and is mounted on the bottom plate by locking or welding.
  • the abutting portion is formed by extending an inner surface of the bottom plate, and the abutting portion and the hook are integrally formed with the bottom plate. : ⁇ ;: 3 ⁇ , , , , , ) ) on the bottom plate.
  • the present invention has the following advantages:
  • the strength of the printed circuit board is prevented from being lowered due to the use of the fastening member, the quality of the liquid crystal display device using the backlight module is improved, and the flatness of the surface of the printed circuit board is ensured, so that the reflective sheet can directly support the printing.
  • On the circuit board it is advantageous to realize thinning of the liquid crystal display device, and at the same time, the printed circuit board is disposed on the bottom plate of the back plate, which is favorable for realizing liquid crystal display.
  • the narrow frame of the device is advantageous to realize thinning of the liquid crystal display device.
  • FIG. 1 is a schematic structural view of a conventional liquid crystal display device
  • FIG. 2 is a schematic structural view of a backlight module of the present invention
  • the present invention provides a backlight module, which has a simple structure, and specifically includes: a back plate 2, and a light guide plate 4 disposed in the back plate 2. a backlight 6 disposed in the back plate 2, an optical film set 8 disposed on the light guide plate 4, and a reflective sheet 9 disposed between the back plate 2 and the light guide plate 4.
  • the backlight 6 includes a printed circuit board 62. And a plurality of LED lamps 64 mounted and electrically connected to the printed circuit board 62.
  • the backplane 2 includes a bottom plate 22 and a plurality of side plates 24 vertically connected to the bottom plate 22.
  • the reflective sheet 9 is disposed on the back plate.
  • the bottom plate 22 of the back plate 2 is provided with an engaging structure 220, the printed circuit board 62 is engaged in the engaging structure 220, and the reflective sheet 9 is directly supported.
  • the printed circuit board 62 of the backlight 6 is mounted on the bottom plate 22 of the backboard 2 by means of a snap-on, and the reflective sheet 9 is directly carried on the printed circuit board 62 to realize the bearing of the light guide plate 4 without requiring support.
  • the structure reduces the thickness of the backlight module, and also reduces the manufacturing cost.
  • the printed circuit board 62 directly contacts the bottom plate 22 of the back plate 2 directly, the heat emitted by the LED lamp 64 can be effectively conducted, and the backlight module is reduced. Temperature, improve the quality of the backlight module.
  • the backlight 6 When the backlight 6 is mounted, an outward thrust is applied to the elastic portion 226, and then the printed circuit board 62 is inserted into the accommodating space formed by the abutting portion 222, the clasp 224, and the elastic portion 226, and the printed circuit board is caused. One end of the 62 abuts against the abutting portion 222, and the upper surface of the end of the printed circuit board 62 is engaged under the clasp 224, and then the force applied to the elastic portion 226 is released, and the elastic portion 226 returns to the original position.
  • the backlight 6 is further mounted on the bottom plate 22 of the backboard 2 by the other end of the printed circuit board 62.
  • the printed circuit board 62 can be stably mounted in the backboard 2, thereby preventing the strength of the printed circuit board 62 from being lowered due to the use of the screw, improving the quality of the backlight module, and ensuring the printed circuit.
  • the flatness of the upper surface of the board 62 enables the reflective sheet 9 to be directly supported on the printed circuit board 62, which is advantageous for realizing the thinning of the liquid crystal display device using the backlight module, and the printed circuit board 62 is mounted on the back board 2.
  • the bottom plate 22 is advantageous for achieving a narrow frame of the liquid crystal display device using the backlight module.
  • the present invention provides a liquid crystal display device, including: a backlight module
  • the backlight module 20 includes a back plate 2 a light guide plate 4 in the back plate 2, a backlight 6 disposed in the back plate 2, an optical film set 8 disposed on the light guide plate 4, and a reflective sheet 9 disposed between the back plate 2 and the light guide plate 4,
  • the backlight 6 includes a printed circuit board 62 and a plurality of LED lamps 64 mounted and electrically connected to the printed circuit board 62.
  • the backplane 2 includes a bottom plate 22 and a plurality of side plates 24 vertically connected to the bottom plate 22.
  • the backing sheet 9 is disposed between the bottom plate 22 of the backboard 2 and the light guide plate 4.
  • the bottom plate 22 of the backboard 2 is provided with an engaging structure 220, and the printed circuit board 62 is engaged with the card.
  • the reflective sheet 9 is directly supported on the printed circuit board 62.
  • the printed circuit board 62 of the backlight 6 is mounted on the bottom plate 22 of the backboard 2 by means of a snap-fit, and the reflective sheet 9 is directly carried on the printed circuit board 62 to realize the bearing of the light guide plate 4 without manufacturing.
  • the support structure reduces the thickness of the backlight module and reduces the manufacturing cost.
  • the engaging structure 220 includes an abutting portion 222, a hook 224 vertically connected to the abutting portion 222 away from the end of the bottom plate 22, and a resilient portion 226 disposed opposite the abutting portion 222. The part 222.
  • the clasp 224 and the elastic portion 226 form an accommodating space, the printed circuit board 62 is engaged in the accommodating space, and the abutting portion 222 abuts against one side of the printed circuit board 62, the elasticity The portion 226 abuts against the other side of the printed circuit board 62, and the hook 224 is engaged with the upper surface of the printed circuit board 62.
  • the printed circuit board 62 can be stably installed in the backboard 2, thereby avoiding the strength of the printed circuit board by the use of the fastening component, thereby improving the quality of the backlight module 20, and
  • the flatness of the upper surface of the printed circuit board 62 is ensured, so that the reflective sheet 9 can be directly supported on the printed circuit board 62, which is advantageous for thinning the liquid crystal display device, and the printed circuit board 62 is mounted on the bottom plate 22 of the backboard 2.
  • the elastic portion 226 is made of an elastic material, preferably an elastic rubber material, and the elastic portion 226 is attached to the bottom plate 22 by locking or bonding.
  • the abutting portion 222 of the engaging structure 220 and the clasp 224 can be integrally formed and mounted on the bottom plate 22 by locking or welding; or the abutting portion 222 is formed by the inner surface of the bottom plate 22 extending upward.
  • the abutting portion 222 and the hook 224 are integrally formed with the bottom plate 22 .
  • the backlight module of the present invention and the liquid crystal display device using the same has a simple structure, and the printed circuit board is firmly mounted on the back by providing a snap structure on the backplane bottom plate.
  • the strength of the printed circuit board is prevented from being lowered due to the use of the fastening component, the quality of the liquid crystal display device using the backlight module is improved, and the flatness of the surface of the printed circuit board is ensured, so that the reflective sheet can be directly supported by the printing sheet.
  • the circuit board it is advantageous to realize the thinning of the liquid crystal display device, and the printed circuit board is disposed on the bottom plate of the back plate, which is advantageous for realizing the narrow frame of the liquid crystal display device.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)

Abstract

提供了一种背光模组及用背光模组的液晶显示装置，背光模组包括：背板（2）、设于背板（2）内的导光板（4）、设于背板（2）内的背光源（6）、设于导光板（4）上的光学膜片组（8）及设于背板（2）与导光板（4）之间的反射片（9），背光源（6）包括印刷电路板（62）以及安装并电性连接于印刷电路板（62）的数个LED灯（64），背板（2）包括底板（22）及垂直连接于底板（22）的数个侧板（24），背板（2）的底板（22）上设有卡合结构（220），印刷电路板（62）卡合于卡合结构（220）内，反射片（9）直接支撑于印刷电路板（62）上。

Description

背景;
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， 其包括液晶显示面板及背光模组 （backlight module ) 。 液晶显示面板的工作 , 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
来控制液晶分子改变方向， 将背光模组的光线朝 ^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 t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 背光模组依照光源入
Figure imgf000003_0001
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（Light bar )设于液晶显示面板侧后 LED 灯条发出的 光线人导光.板 ( LGP ， Light Guide Plate ) -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 j学膜片组， 以形成面光源提 晶显示面 4反。
Figure imgf000003_0002
图 1 , 为现有的液晶显示装置
光模组的背光源 100通过螺钉锁合方式直接安装于背板的底板 302上， 背 光源 100 的印刷电路板 ( PCB, Printed Circuit Board ) 102上设置台阶孔 12.0, 螺钉 150的螺钉帽完全容置于该台阶孔 120内 , 使得印刷电路板 102 的上表面较为平整， 反射片 500直接承载于印刷电路板 102上， 以避免支 撑结构的设计， 降低成本的同时降低了液晶显示装置的厚度。
但因印刷电路板 102的厚度有限， 在印刷电路板 102中形成容纳台阶 孔 120可能会导致印刷电路板 102的强度下降， 进而使安装于印刷电路板 102 内的螺钉 150 无法牢固地将印刷电路板 102 固定于背板的底板 302 * 发明内容
本发明的目的在于提供一种背光模组， 其结构简单， 保证印刷电路板 的安装强度， 提升用该背光模组的液晶显示装置的品质。
本发明的另一目的在于提供一种液晶显示装置， 其结构简单， 保证印 刷电路板的安装强度， 提升液晶显示装置的品质， 且有利于实现液晶显示 装置的薄型化和窄边框化。
为实现上述目的， 本发明提供一种背光模组， 包括： 背板、 设于背板 内的导光板、 设于背板内的背光源、 设于导光板上的光学膜片组及设于背 板与导光板之间的反射片， 所述背光源包括印刷电路板以及安装并电性连 接于所述印刷电路板的数个 LED 灯， 所述背板包括底板及垂直连接于底 板的数个侧板， 所述反射片设于背板的底板与导光板之间， 所述背板的底 板上设有卡合结构， 所述印刷电路板卡合于该卡合结构内， 所述反射片直 接支撑于所述印刷电路板上。
所述卡合结构包括一抵靠部、 一垂直连接于所述抵靠部远离底板端的 扣钩及一与抵靠部相对设置的弹性部， 该抵靠部、 扣钩及弹性部形成一容 置空间， 所述印刷电路板卡合于该容置空间内； 所述抵靠部抵靠于所述印 刷电路板的一侧， 所述弹性部抵靠于印刷电路板的另一侧， 所述扣钩卡合 于印刷电路板的上表面。
所述 4氏靠部与扣钩一体成型设.置， 并通过锁合或焊接方式安装于底板 上。
所述抵靠部由底板内表面向上延伸形成， 所述抵靠部、 扣钩与底板一 体成型制成。
所述弹性部由弹性材料制成， 该弹性部通过锁合或粘接方式安装于所 述底板上。
本发明还提供一种背光模组， 包括： 背板、 设于背板内的导光板、 设 于背板内的背光源、 设于导光板上的光学膜片组及设于背板与导光板之间 的反射片 , 所述背光源包括印劇电路板以及安装并电性连接于所述印剧电 路板的数个 LED 灯， 所述背板包括底板及垂直连接于底板的数个侧板， 所述反射片设于背板的底板与导光板之间， 所述背板的底板上设有卡合结 构， 所述印刷电路板卡合于该卡合结构内， 所述反射片直接支撑于所述印 刷电路板上；
其中， 所述卡合结构包括一抵靠部、 一垂直连接于所述抵靠部远离底 板一端的扣钩及一与抵靠部相对设置的弹性部， 该抵靠部、 扣钩及弹性部 形成一容置空间， 所述印刷电路板卡合于该容置空间内； 所述抵靠部抵靠 于所述印刷电路板的一側, 所述弹性部抵靠于印刷电路板的另一側， 所述 扣钩卡合于印刷电路板的上表面。
所述抵靠部与扣钩一体成型设置， 并通过锁合或焊接方式安装于底板 上。
所述抵靠部由底板内表面向上延伸形成， 所述抵靠部， 扣钩与底板一 体成型制成。
所述弹性部由弹性材料制成， 该弹性部通过锁合或粘接方式安装于所 述底板上。
本发明还提供一种液晶显示装置， 包括： 背光模组、 设于背光模组上 方的胶框、 安装于胶框内的液晶显示面板及安装于液晶显示面板上的前 框， 所述背光模组包括背板、 设于背板内的导光板、 设于背板内的背光 源， 设于导光板上的光学膜片组及设于背板与导光板之间的反射片， 所述 背光源包括印刷电路板以及安装并电性连接于所述印刷电路板的数个 LED 灯， 所述背板包括底板及垂直连接于底板的数个侧板， 所述反射片设于背 板的底板与导光板之间， 所述背板的底板上设有卡合结构， 所述印刷电路 板卡合于该卡合结构内， 所述反射片直接支撑于所述印刷电路板上。
所述卡合结构包括一抵靠部、 一垂直连接于所述抵靠部远离底板端的 扣钩及一与抵靠部相对设置的弹性部， 该抵靠部、 扣钩及弹性部形成一容 置空间， 所述印刷电路板卡合于该容置空间内； 所述抵靠部抵靠于所述印 刷电路板的一侧， 所述弹性部抵靠于印刷电路板的另一侧， 所述扣钩卡合 于印刷电路板的上表面。
所述抵靠部与扣钩一体成型设置， 并通过锁合或焊接方式安装于底板 上。
所述抵靠部由底板内表面向上延伸形成， 所述抵靠部、 扣钩与底板一 体成，制 ^。： ^ ；： 3 ^ 、 、、 、 、 ） 述底板上。
本发明的有益效果： 本发明背光模组及用该背光模组的液晶显示装 置， 所述背光模组结构简单， 通过在背板底板上设置卡合结构， 将印刷电 路板稳固地安装于背板内， 避免由于紧固部件的使用使印刷电路板强度下 降， 提升用该背光模组的液晶显示装置的品质， 且， 保证印刷电路板上表 面的平整性， 使反射片能直接支撑于印刷电路板上， 有利于实现液晶显示 装置的薄型化， 同时印剧电路板设于背板的底板上， 有利于实现液晶显示 装置的窄边框化。
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。
' 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为现有液晶显示装置的结构示意图；
图 2为本发明背光模组的结构示意图；
图 3为本发明液晶显示装置的结构示意图；
图 4为本发明液晶显示装置的立体分解示意图。 具体实旅方式
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 , 本发明提供一种背光模组， 其结构简单， 具体包括： 背 板 2、 设于背板 2内的导光板 4。 设于背板 2内的背光源 6、 设于导光板 4 上的光学膜片组 8及设于背板 2与导光板 4之间的反射片 9， 所述背光源 6 包括印刷电路板 62 以及安装并电性连接于所述印刷电路板 62 的数个 LED 灯 64, 所述背板 2 包括底板 22 及垂直连接于底板 22 的数个侧板 24, 所述反射片 9设于背板 2的底板 22与导光板 4之间， 所述背板 2的 底板 22上设有卡合结构 220, 所述印刷电路板 62卡合于该卡合结构 220 内， 所述反射片 9 直接支撑于所述印刷电路板 62 上。 通过卡合的方式将 背光源 6的印刷电路板 62安装于背板 2的底板 22上， 反射片 9直接承载 于该印刷电路板 62 上， 以实现对导光板 4 的承载， 不需要制作支撑结 构， 降低背光模组厚度的同时， 也降低了制作成本， 同时由于印刷电路板 62直接大面积与背板 2的底板 22接触， 能有效的传导 LED灯 64散发的 热量， 降低背光模组的温度， 提升背光模组的品质。
具体地， 所述卡合结构 220 包括- · 4氏靠部 222、 一垂直连接于所述^ i 靠部 222远离底板 22一端的扣钩 224及一与抵靠部 222相对设置的弹性 部 226， 该 4氏靠部 222、 扣钩 224及弹性部 226形成一容.置空间， 所述印 刷电路板 62 卡合于该容置空间内， 所述.抵靠部 222抵靠于所述印刷电路 一侧， 所述弹性部 226抵靠于印刷电路板 62的另一側, 所述.扣钩
Figure imgf000007_0001
背光源 6安装时， 先给弹性部 226施加向外的推力， 然后将印刷电路 板 62插入由抵靠部 222、 扣钩 224及弹性部 226形成的容置空间内， 并使 得该印刷电路板 62 的一端抵靠于所述抵靠部 222， 同时， 该印刷电路板 62的该端的上表面卡合于扣钩 224下方， 再释放施加给弹性部 226的力， 弹性部 226 回复原来的位置， 以 靠所述印刷电路板. 62 的另一端， 进而 将所述背光源 6卡合安装于背板 2的底板 22上。
通过该卡合结构 220, 所述印刷电路板 62能稳固地安装于背板 2内， 避免由于螺钉的使用使印刷电路板 62 强度下降， 提升了背光模组的品 质， 且， 保证了印刷电路板 62 上表面的平整性， 使反射片 9 能直接支撑 于印劇电路板 62 上， 有利于实现用该背光模组的液晶显示装置的薄型 化， 同时印刷电路板 62安装于背板 2的底板 22上， 有利于实现用该背光 模组的液晶显示装置的窄边框化。
在本实施例中， 所述弹性部 226 由弹性材料制成， 优选弹性橡胶材 料， 该弹性部 226通过锁合或粘接方式安装于所述底板 22 上。 所述卡合 结构 220中的 4氏靠部 222与扣钩 224可一体成型设置， 并通过锁合或焊接 方式安装于底板 22 上； 或者所述抵靠部由底板内表面向上延#形成， 且 所述抵靠部 222、 扣钩 224与底板 22一体成型制成。
请参阅图 3及图 4， 本发明提供一种液晶显示装置， 包括： 背光模组
20、 设于背光模组 20 上方的胶框 40、 安装于胶框 40 内的液晶显示面板 60及安装于液晶显示面板 60上的前框 80， 所述背光模组 20包括背板 2、 设于背板 2 内的导光板 4、 设于背板 2 内的背光源 6、 设于导光板 4上的 光学膜片组 8及设于背板 2与导光板 4之间的反射片 9， 所述背光源 6包 括印刷电路板 62 以及安装并电性连接于所述印刷电路板 62 的数个 LED 灯 64， 所述背板 2 包括底板 22及垂直连接于底板 22的数个侧板 24, 所 述反.射片 9设于背板 2的底板 22与导光板 4之间， 所述背板 2的底板 22 上设有卡合结构 220, 所述印刷电路板 62卡合于该卡合结构 220内， 所述 反射片 9 直接支撑于所述印刷电路板 62 上。 通过卡合的方式将背光源 6 的印刷电路板 62安装于背板 2的底板 22上， 反射片 9直接承载于该印剧 电路板 62 上， 以实现对导光板 4 的承载， 不需要制作支撑结构， 降低背 光模组厚度的同时， 也降低了制作成本， 同时由于印刷电路板 62 直接大 面积与背板 2的底板 22接触， 能有效的传导 LED灯 64散发的热量， 降 低背光模组的温度， 提升背光模组的品质。 具体地， 所述卡合结构 220 包括一抵靠部 222、 一垂直连接于所述抵 靠部 222远离底板 22端的扣钩 224及一与抵靠部 222相对设置的弹性部 226, 该 4氏靠部 222。 扣钩 224及弹性部 226形成一容置空间， 所述印刷电 路板 62卡合于该容置空间内， 所述抵靠部 222抵靠于所述印刷电路板 62 的一侧， 所述弹性部 226抵靠于印刷电路板 62 的另一侧， 所述扣钩 224 卡合于印刷电路板 62的上表面。
背光源 6安装时， 先给弹性部 226施加向外的推力， 然后将印剧电路 板 62插入由抵靠部 222、 扣钩 224及弹性部 226形成的容置空间内， 并使 得该印刷电路板 62 的一端抵靠于所述抵靠部 222， 同时， 该印刷电路板 62的该端的上表面卡合于扣钩 224下方， 再释放施加给弹性部 226的力， 弹性部 226 回复原来的位置， 以抵靠所述印刷电路板 62 的另一端， 进而 将所述背光源 6卡合安装于背板 2的底板 22上。
通过该卡合结构 220, 所述印剧电路板 62能稳固地安装于背板 2内， 避免由于紧固部件的使用使印刷电路板. 62 强度下降， 提升了背光模组 20 的品质， 且， 保证了印刷电路板 62 上表面的平整性， 使反射片 9 能直接 支撑于印刷电路板 62 上， 有利于实现液晶显示装置的薄型化， 同时印刷 电路板 62安装于背板 2的底板 22上， 有利于实现液晶显示装置的窄边框 化。
在本实施例中， 所述弹性部 226 由弹性材料制成， 优选弹性橡胶材 料， 该弹性部 226通过锁合或粘接方式安装于所述底板 22 上。 所述卡合 结构 220中的抵靠部 222与扣钩 224可一体成型设置， 并通过锁合或焊接 方式安装于底板 22上; 或者所述抵靠部 222由底板 22内表面向上延伸形 成， 且所述抵靠部 222、 扣钩 224与底板 22—体成型制成。
综上所述， 本发明背光模组及用该背光模组的液晶显示装置， 所述背 光模组结构筒单， 通过在背板底板上设置卡合结构， 将印刷电路板稳固地 安装于背板内， 避免由于紧固部件的使用使印刷电路板强度下降， 提升用 该背光模组的液晶显示装置的品质， 且， 保证印刷电路板上表面的平整 性， 使反射片能直接支撑于印劇电路板上， 有利于实现液晶显示装置的薄 型化， 同时印劇电路板设于背板的底板上， 有利于实现液晶显示装置的窄 边框化。
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
】、 一种背光模组， 包括： 背板、 设于背板内的导光板、 设.于背板内 的背光源、 设于导光板上的光学膜片组及设于背板与导光板之间的反射 片， 所述背光源包括印刷电路板以及安装并电性连接于所述印刷电路板的 数个 LED 灯， 所述背板包括底板及垂直连接于底板的数个側板， 所述反 射片设于背板的底板与导光板之间， 所述背板的底板上设有卡合结构， 所 述印刷电路板卡合于该卡合结构内， 所述反射片直接支撑于所述印刷电路 板上。
2、 如权利要求 1 所述的背光模组， 其中， 所述卡合结构包括一抵靠 部、 一垂直连接于所述抵靠部远离底板一端的扣钩及一与抵靠部相对设置 的弹性部， 该抵靠部， 扣钩及弹性部形成一容置空间， 所述印刷电路板卡 合于该容置空间内； 所述抵靠部抵靠于所述印刷电路板的一侧， 所述弹性 部抵靠于印刷电路板的另一侧， 所述扣钩卡合于印刷电路板的上表面。
3、 如权利要求 2 所述的背光模组， 其中， 所述抵靠部与扣钩一体成 型设置， 并通过锁合或焊接方式安装于底板上。
4、 如权利要求 2 所述的背光模组， 其中， 所述抵靠部由底板内表面 向上延伸形成， 所述^ ^靠部、 扣钩与底板一体成型制成。
5、 如权利要求 2 所述的背光模组， 其中， 所述弹性部由弹性材料制 成， 该弹性部通过锁合或粘接方式安装于所述底板上。
6、 一种背光模组， 包括： 背板、 设于背板内的导光板、 设于背板内 的背光源、 设于导光板上的光学膜片组及设于背板与导光板之间的反射 片， 所述背光源包括印刷电路板以及安装并电性连接于所述印刷电路板的 数个 LED 灯， 所述背板包括底板及垂直连接于底板的数个侧板， 所述反 射片设于背板的底板与导光板之间， 所述背板的底板上设有卡合结构， 所 述印刷电路板卡合于该卡合结构内， 所述反射片直接支撑于所述印刷电路 板上；
其中， 所述卡合结构包括一抵靠部、 一垂直连接于所述.抵靠部远离底 板一端的扣钩及一与抵靠部相对设置的弹性部 , 该抵靠部, 扣钩及弹性部 形成一容置空间， 所述印刷电路板卡合于该容置空间内； 所述抵靠部抵靠 于所述印刷电路板的一侧， 所述弹性部抵靠于印刷电路板的另一侧， 所述 扣钩卡合于印刷电路板的上表面。
7、 如权利要求 6 所述的背光模组， 其中， 所述 4氏靠部与扣钩一体成 型设置， 并通过锁合或焊接方式安装于底板上。
8、 如权利要求 6 所述的背光模组， 其中， 所述 靠部由底板内表面 向上延伸形成， 所述抵靠部、 扣钩与底板一体成型制成。
9、 如权利要求 6 所述的背光模组， 其中， 所述弹性部由弹性材料制 成， 该弹性部通过锁合或粘接方式安装于所述底板上。
10、 一种液晶显示装置， 包括： 背光模组、 设于背光模组上方的胶 框、 安装于胶框内的液晶显示面板及安装于液晶显示面板上的前框， 所述 背光模组包括背板、 设于背板内的导光板、 设于背板内的背光源、 设于导 光板上的光学膜片组及设于背板与导光板之间的反射片， 所述背光源包括 印刷电路板以及安装并电性连接于所述印刷电路板的数个 LED 灯， 所述 背板包括底板及垂直连接于底板的数个侧板， 所述反射片设于背板的底板 与导光板之间， 所述背板的底板上设有卡合结构， 所述印刷电路板卡合于 该卡合结构内， 所述反射片直接支撑于所述印刷电路板上。
11、 如权利要求 10 所述的液晶显示装置， 其中， 所述卡合结构包括 一抵靠部、 一垂直连接于所述抵靠部远离底板一端的扣钩及一与抵靠部相 对设置的弹性部， 该抵靠部、 扣钩及弹性部形成一容置空间， 所述印刷电 路板卡合于该容置空间内； 所述抵靠部抵靠于所述印刷电路板的一侧， 所 述弹性部抵靠于印刷电路板的另一侧， 所述扣钩卡合于印刷电路板的上表 面。
12、 如权利要求 1 1 所述的液晶显示装置， 其中， 所述抵靠部与扣钩 一体成型设置， 并通过锁合或焊接方式安装于底板上。
13、 如权利要求 1 1 所述的液晶显示装置， 其中， 所述.抵靠部由底板 内表面向上延伸形成， 所 靠部、 扣钩与底板一体成型制成。
14、 如权利要求 11 所述的液晶显示装置， 其中， 所述弹性部由弹性 材料制成， 该弹性部通过锁合或粘接方式安装于所述底板上。
PCT/CN2013/086178 2013-10-22 2013-10-30 背光模组及用该背光模组的液晶显示装置 WO2015058418A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/126,429 US9194996B2 (en) 2013-10-22 2013-10-30 Backlight module and liquid crystal display device using same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310500893.1 2013-10-22
CN201310500893.1A CN103529596B (zh) 2013-10-22 2013-10-22 背光模组及用该背光模组的液晶显示装置

Publications (1)

Publication Number Publication Date
WO2015058418A1 true WO2015058418A1 (zh) 2015-04-30

Family

ID=49931720

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/086178 WO2015058418A1 (zh) 2013-10-22 2013-10-30 背光模组及用该背光模组的液晶显示装置

Country Status (3)

Country Link
US (1) US9194996B2 (zh)
CN (1) CN103529596B (zh)
WO (1) WO2015058418A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106338853A (zh) * 2016-11-10 2017-01-18 奥捷科技（厦门）有限公司 一种防漏光结构及具有其的显示器
CN113985660A (zh) * 2021-11-24 2022-01-28 重庆工程职业技术学院 一种量子点背光模组

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI557479B (zh) * 2014-02-27 2016-11-11 群創光電股份有限公司 背光模組
CN104089251B (zh) 2014-06-16 2017-02-01 京东方科技集团股份有限公司 背板及应用其的背光模组、显示装置
KR20160036712A (ko) * 2014-09-25 2016-04-05 삼성디스플레이 주식회사 표시 장치
CN204372713U (zh) 2015-02-10 2015-06-03 北京京东方多媒体科技有限公司 一种背光源模组及显示装置
KR20160129945A (ko) * 2015-04-30 2016-11-10 삼성디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 액정 표시 장치
JP2016213090A (ja) * 2015-05-11 2016-12-15 ミネベア株式会社 面状照明装置及び液晶表示装置
CN105303969B (zh) * 2015-11-19 2017-11-24 合一智能科技（深圳）有限公司 显示模组及其制造方法
CN105938272B (zh) * 2016-05-27 2023-03-28 无锡天堃光电科技有限公司 一种超薄背光模组及基于其的触摸一体机
CN205691914U (zh) * 2016-06-22 2016-11-16 京东方科技集团股份有限公司 背光模组及其显示器件
CN109473037A (zh) * 2018-10-31 2019-03-15 青岛海信电器股份有限公司 一种一体化整机背板和显示装置
TWI681231B (zh) * 2018-12-19 2020-01-01 友達光電股份有限公司 背光模組
CN110262126B (zh) * 2019-06-12 2022-05-10 厦门天马微电子有限公司 一种背光模组及显示装置
CN113900301A (zh) 2021-09-24 2022-01-07 佛山市国星光电股份有限公司 一种光源模组及背光显示模组

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200630696A (en) * 2005-02-18 2006-09-01 Au Optronics Corp Device for fastening lighting unit in backlight module
JP2008020557A (ja) * 2006-07-11 2008-01-31 Epson Imaging Devices Corp 液晶表示モジュール
CN101630091A (zh) * 2008-07-17 2010-01-20 奇美电子股份有限公司 背光模块、其组装方法及应用其的液晶显示器
US20100165233A1 (en) * 2008-12-29 2010-07-01 Samsung Electronics Co., Ltd Backlight unit and liquid crystal display having the same
US20120092584A1 (en) * 2010-10-13 2012-04-19 Samsung Electronics Co., Ltd. Liquid crystal display module and liquid crystal display device having the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8102735B2 (en) * 2004-05-12 2012-01-24 Morse Kevin C Docking station for mounting and programming multifunction timer device and method
US7548628B2 (en) * 2004-11-16 2009-06-16 Research In Motion Limited Microphone coupler for a communication device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200630696A (en) * 2005-02-18 2006-09-01 Au Optronics Corp Device for fastening lighting unit in backlight module
JP2008020557A (ja) * 2006-07-11 2008-01-31 Epson Imaging Devices Corp 液晶表示モジュール
CN101630091A (zh) * 2008-07-17 2010-01-20 奇美电子股份有限公司 背光模块、其组装方法及应用其的液晶显示器
US20100165233A1 (en) * 2008-12-29 2010-07-01 Samsung Electronics Co., Ltd Backlight unit and liquid crystal display having the same
US20120092584A1 (en) * 2010-10-13 2012-04-19 Samsung Electronics Co., Ltd. Liquid crystal display module and liquid crystal display device having the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106338853A (zh) * 2016-11-10 2017-01-18 奥捷科技（厦门）有限公司 一种防漏光结构及具有其的显示器
CN113985660A (zh) * 2021-11-24 2022-01-28 重庆工程职业技术学院 一种量子点背光模组

Also Published As

Publication number Publication date
US9194996B2 (en) 2015-11-24
CN103529596A (zh) 2014-01-22
CN103529596B (zh) 2015-12-02
US20150116626A1 (en) 2015-04-30

Similar Documents

Publication Publication Date Title
WO2015058418A1 (zh) 背光模组及用该背光模组的液晶显示装置
US8421971B2 (en) Liquid crystal display module and one-piece back plate thereof
WO2015096255A1 (zh) 液晶显示装置
US8462291B2 (en) Backlight module with film positioning function and display device using the same
KR101494310B1 (ko) 액정표시장치 및 이의 조립방법
US20120250354A1 (en) Illuminator for Display and Display
US9541779B2 (en) Display device including a curvature maintaining bar
WO2014056247A1 (zh) 背光模组
WO2015123910A1 (zh) 灯条及用该灯条的背光模组
WO2015070487A1 (zh) 背光模组及用该背光模组的液晶显示模组
KR20080007817A (ko) 확산판 어셈블리 및 백라이트 어셈블리
WO2014040308A1 (zh) 液晶显示装置
WO2016206139A1 (zh) 反光片、背光模组及显示装置
WO2014075321A1 (zh) 液晶显示装置
WO2014019258A1 (zh) 侧入式背光模组
WO2013152521A1 (zh) 直下式背光模组
US9648768B2 (en) Display device having a bottom chassis including a binding portion
WO2013177817A1 (zh) 背光模组
WO2013120295A1 (zh) 背光模组
WO2013166747A1 (zh) 背光模组
KR20180064612A (ko) 표시 장치
WO2015135239A1 (zh) 背光模组
WO2014008686A1 (zh) 背光模组
KR20060098073A (ko) 액정표시장치
WO2014067181A1 (zh) 液晶显示装置

Legal Events

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

Ref document number: 14126429

Country of ref document: US

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

Ref document number: 13895891

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: 13895891

Country of ref document: EP

Kind code of ref document: A1