WO2014029114A1 - 液晶显示装置 - Google Patents

液晶显示装置 Download PDF

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Publication number
WO2014029114A1
WO2014029114A1 PCT/CN2012/080605 CN2012080605W WO2014029114A1 WO 2014029114 A1 WO2014029114 A1 WO 2014029114A1 CN 2012080605 W CN2012080605 W CN 2012080605W WO 2014029114 A1 WO2014029114 A1 WO 2014029114A1
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WO
WIPO (PCT)
Prior art keywords
liquid crystal
crystal display
display device
display panel
carrier tape
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/CN2012/080605
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English (en)
French (fr)
Inventor
陈仕祥
俞刚
杨瑞连
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
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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 US13/703,364 priority Critical patent/US20150153607A1/en
Publication of WO2014029114A1 publication Critical patent/WO2014029114A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13452—Conductors connecting driver circuitry and terminals of panels
    • 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
    • G02B6/0088—Positioning aspects of the light guide or other optical sheets 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
    • G02F1/133305—Flexible substrates, e.g. plastics, organic film
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133314—Back frames
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133615—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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/50—Protective arrangements

Definitions

  • the present invention relates to a display device, and more particularly to a liquid crystal display device that realizes a narrow bezel.
  • FIG. 1 shows a prior art non-gate printed circuit board (gate). PCB) LCD panel.
  • the liquid crystal panel 100 is connected to a plurality of data overlay film COF (Chip On Flex) carrier tape 120 and a plurality of gate COF carrier tapes 140.
  • the plurality of data COF carrier tapes 120 are connected to a data printed circuit board (data The PCB) 150 has a data driving chip 125 on the plurality of data COF carrier tapes 120.
  • the gate COF carrier tape 140 has a gate driving chip 145 thereon.
  • FIG. 2 is a partial cross-sectional view showing a narrow-framed liquid crystal display in the prior art.
  • the backlight module includes a metal back plate 11, a plastic frame 12, a light guide plate 13, a reflection sheet 14, an optical film group 15, a light source 16, and the like.
  • the light guide plate 13 and the reflection sheet 14 are disposed in the metal back plate 11.
  • the light source 16 is disposed on the metal back plate 11 and located on one side of the light guide plate 13.
  • the optical film group 15 is stacked above the light guide plate.
  • 100 is disposed on the plastic frame 12.
  • the front frame 17 is disposed on the side of the plastic frame, and clamps and fixes the liquid crystal panel 100 with the plastic frame 12 to protect the liquid crystal panel 100.
  • the gate COF carrier tape 140 is often bent to one side of the backlight module to reduce the width of the front frame 17 on the liquid crystal panel 100.
  • the gate driving chip 145 and the light source 16 are very close to each other, and the gate driving chip 145 may be affected by the heat generated by the light source 16, and there is a problem of overheating, thereby reducing the reliability of the product. degree.
  • An object of the present invention is to provide a liquid crystal display device capable of overcoming the problem that the gate driving chip and the light source are too close to each other in the conventional narrow bezel technology to cause overheating, and realize a high reliability narrow bezel liquid crystal display device. .
  • the invention provides a liquid crystal display device comprising a display panel, a backlight film block, a flexible circuit board and a chip.
  • the backlight film block includes a back plate having a protrusion facing the display panel, and a bottom surface of the back plate has a concave portion corresponding to the protrusion.
  • the flexible circuit board is electrically connected to one side of the display panel and bent to a bottom surface of the backboard.
  • the chip is fixed on the flexible circuit board and located in the recess of the backboard.
  • the backlight film block further has a reflective sheet and a light guide plate disposed on the back plate, the protrusions for pushing against the reflective sheet, so that the reflective sheet is tight Relying on the light guide plate.
  • the backlight film block further has a light source on a side of the light guide plate.
  • the backboard further has a sidewall perpendicular to the display panel, and the light source is fixed on the sidewall.
  • the protrusions are trapezoidal in shape.
  • the flexible circuit board abuts against the bottom surface of the backboard.
  • the flexible circuit board is a COF carrier tape.
  • the COF carrier tape is a gate COF carrier tape
  • the chip is a gate driving chip.
  • the concave portion of the back sheet is a strip-shaped recess portion parallel to the side of the display panel.
  • the backing plate is a metal backing plate, and the protrusions are made by stamping.
  • the present invention is provided with a recess on the back plate, so that the COF carrier tape can be wound around the concave portion of the bottom surface of the back plate, so that the chip is away from the light source located on one side of the light guide plate, thereby overcoming the problem of overheating of the chip.
  • the protrusion of the above-mentioned back plate also has a function of bringing the reflection sheet into close contact with the light guide plate, so that the thickness of the backlight module can be reduced.
  • 1 is a prior art liquid crystal panel not including a gate printed circuit board
  • FIG. 2 is a partial cross-sectional view showing a narrow-framed liquid crystal display in the prior art
  • FIG. 3 is a partial cross-sectional view showing a liquid crystal display device according to a preferred embodiment of the present invention.
  • FIG. 4 is a schematic bottom view of a backing plate in accordance with a preferred embodiment of the present invention.
  • FIG. 3 is a partial cross-sectional view showing a liquid crystal display device according to a preferred embodiment of the present invention.
  • the liquid crystal display device 10 of the preferred embodiment mainly includes a display panel 100, a backlight film block 200, and a flexible circuit board 300. , chip 350, and front frame 17.
  • the display panel 100 includes a liquid crystal layer (not shown) between the upper substrate 120, the lower substrate 140, and the upper and lower substrates. It should be noted that a polarizer 160 is disposed on each of the outer surfaces of the upper substrate 120 and the lower substrate 140.
  • the backlight film block 200 mainly includes a back plate 210 , a reflective sheet 220 , a light guide plate 230 , an optical film set 240 , a light source 250 , and a plastic frame 260 .
  • the back panel 210 has a protrusion 212 facing the display panel 100, and the bottom surface 214 of the back panel 210 has a recess 216 corresponding to the protrusion 212.
  • the protrusion 212 has a trapezoidal shape.
  • the protrusions 212 may also have other shapes, such as semi-circular, rectangular, triangular, and the like.
  • the reflective sheet 220 and the light guide plate 230 are disposed on the back plate 210 , and the protrusions 212 are used to push against the reflective sheet 220 such that the reflective sheet 220 abuts against the light guide plate 230 .
  • the reflective sheet 220 does not need to be glued to the light guide plate 230, so that the reflective sheet 220 and the light guide plate 230 can be closer together to reduce the loss of light.
  • the reflection sheet 220 and the light guide plate 230 have no thickness of glue, and thus the thickness of the backlight film block 200 can be reduced.
  • the backlight film block 200 further has a light source 250 on one side of the light guide plate 230.
  • the light source 250 is a light emitting diode.
  • the backplane 210 further has a sidewall 218 perpendicular to the display panel 100, and the light source 250 is fixed to the sidewall 218.
  • the optical film panel 240 is disposed above the light guide plate 230.
  • the liquid crystal panel 100 is disposed on the plastic frame 260.
  • the liquid crystal panel 100 and the plastic frame 260 have a cushion 265 to reduce the external environment to the liquid crystal panel 100. Impact of the impact.
  • the front frame 17 is disposed on the side of the plastic frame 260, and clamps and fixes the liquid crystal panel 100 with the plastic frame 12 to protect the liquid crystal panel 100.
  • the flexible circuit board 300 is electrically connected to one side 102 of the display panel 100 and bent to the bottom surface 214 of the back board 210.
  • the flexible circuit board 300 abuts against the bottom surface 214 of the backboard 210.
  • the chip 350 is fixed on the flexible circuit board 300 and located in the recess 216 of the backboard 210.
  • the flexible circuit board 300 is a COF carrier tape.
  • the COF carrier tape is a gate COF carrier tape
  • the chip 350 is a gate driving chip.
  • the COF carrier tape is a source COF carrier tape and the chip 350 is a source driver chip.
  • the chip 350 is disposed on the reverse side of the COF carrier tape, so that when the COF carrier tape is bent to the concave portion 216 of the back plate 210, the chip 350 is disposed in the concave portion 216. That is, it is accommodated in the recess 216.
  • FIG. 4 is a schematic diagram of a bottom surface of a backboard according to a preferred embodiment of the present invention.
  • the concave portion 216 of the back sheet 210 is a strip-shaped recess that is parallel to the side 102 of the display panel 10.
  • the strip-shaped recesses are disposed on four sides of the corresponding display panel 10 to fix the reflective sheet 220.
  • the flexible circuit board 300 is three gate COF carrier tapes
  • the chip 350 is a corresponding three gate driving chips
  • the gate COF carrier tape is bent to the bottom surface 214 of the backing plate 210.
  • the gate driving chip is housed in the strip recess.
  • the flexible circuit board 300 can be a plurality of source COF carrier tapes, the chip 350 is a corresponding plurality of source driving chips, and the source COF carrier tape is bent to the back plate 210.
  • the bottom surface 214 is such that the source driving chip is housed in the strip-shaped recess on the other side.
  • the back plate 210 is a metal back plate, and the protrusion 212/recess 216 is made by stamping.
  • the present invention does not limit the material of the backing plate 210.
  • the present invention is provided with a recess 216 on the back plate 210, so that the COF carrier tape can be wound around the recess 216 of the bottom surface 214 of the back plate 210, so that the chip 350 is away from the light source 250 located on the side of the light guide plate 230, thereby overcoming the problem.
  • the problem of overheating of the chip in the existing narrow bezel technology also has a function of abutting the reflection sheet 220 against the light guide plate 230, so that the thickness of the backlight module 200 can be reduced.

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

Description

液晶显示装置 技术领域
本发明涉及一种显示装置，特别涉及一种实现窄边框(bezel)的液晶显示装置。
 背景技术
传统的薄膜晶体管液晶显示器 (Thin Film Transistor Liquid Crystal Display，TFT-LCD)包括液晶面板、驱动模块及背光模块。驱动模块用于驱动液晶面板显示画面。请参照图1，图1为现有技术的未包含栅极印刷电路板(gate PCB)的液晶面板。所述液晶面板100连接多个资料覆晶薄膜COF(Chip On Flex)载带120及多个栅极COF载带140。所述多个资料COF载带120连接一资料印刷电路板(data PCB)150，且所述多个资料COF载带120上具有资料驱动芯片125。所述栅极COF载带140上具有栅极驱动芯片145。
请参照图2，图2为现有技术中窄边框液晶显示器的局部剖面示意图。背光模块包括金属背板11、胶框12、导光板13、反射片14、光学膜片组15及光源16等。导光板13及反射片14设置于金属背板11内，光源16设置在金属背板11上且位于导光板13的一侧，光学膜片组15叠置在导光板的上方，所述液晶面板100设置于所述胶框12上。前框17设置在所述胶框侧面，并与该胶框12夹持固定液晶面板100，以保护液晶面板100。
由于液晶显示器窄边框化的趋势，栅极COF载带140常会弯折至背光模块的一侧以降低前框17在液晶面板100上的宽度。然而，因为上述窄边框的设计，使得栅极驱动芯片145与光源16两者距离非常靠近，栅极驱动芯片145可能会受到光源16发热的影响，而存在过热的问题，进而降低了产品的可靠度。
 技术问题
本发明的一个目的在于提供一种液晶显示装置，其能克服现有窄边框技术中栅极驱动芯片与光源两者距离过近而导致过热的问题，而实现高可靠度的窄边框液晶显示装置。
 技术解决方案
本发明提供了一种液晶显示装置，包括显示面板、背光膜块、软性电路板及芯片。所述背光膜块包括背板，所述背板面对所述显示面板具有突起，且所述背板的底面具有对应所述突起的凹部。所述软性电路板电性连接于所述显示面板的一侧边，并弯折至所述背板的底面。所述芯片固定于所述软性电路板上，且位于所述背板的所述凹部内。
在本优选实施例的液晶显示装置中，所述背光膜块还具有设置在所述背板上的反射片及导光板，所述突起用于推抵所述反射片，使得所述反射片紧靠所述导光板。另外，所述背光膜块还具有位于所述导光板一侧的光源。所述背板还具有一垂直所述显示面板的侧壁，所述光源固定于所述侧壁上。优选的，所述突起为梯形状。优选的，所述软性电路板紧靠所述背板的所述底面。
在本优选实施例的液晶显示装置中，所述软性电路板为COF载带。优选的，所述COF载带为栅极COF载带，且所述芯片为栅极驱动芯片。
在本优选实施例的液晶显示装置中，所述背板的所述凹部为平行所述显示面板的所述侧边的条状凹部。优选的，所述背板为金属背板，且所述突起由冲压所制成。
 有益效果
本发明相对现有技术，在背板上设置有凹部，因此可将COF载带绕到背板底面的凹部，使得芯片远离位于导光板一侧的光源，克服了芯片过热的问题。此外，上述背板的突起也具有使反射片紧靠导光板的功能，因此可降低背光模块的厚度。
 附图说明
图1为现有技术的未包含栅极印刷电路板的液晶面板；
图2为现有技术中窄边框液晶显示器的局部剖面示意图；
图3为本发明一优选实施例的液晶显示装置的局部剖面示意图；
图4为本发明优选实施例的背板的底面示意图。
 本发明的最佳实施方式
以下各实施例的说明是参考附加的图式，用以例示本发明可用以实施的特定实施例。在不同图示中，相同的参考标号表示相同或相似的元件。
参照图3，图3为本发明一优选实施例的液晶显示装置的局部剖面示意图。本优选实施例的液晶显示装置10主要包括显示面板100、背光膜块200、软性电路板300 、芯片350、及前框17。
在本实施例中，所述显示面板100包括上基板120、下基板140及上下基板之间的液晶层（图未示）。值得注意的是，上基板120与下基板140的外表面各设有一偏光片160。
如图3所示，所述背光膜块200主要包括背板210、反射片220、导光板230、光学膜片组240、光源250及胶框260。所述背板210面对所述显示面板100具有突起212，且所述背板210的底面214具有对应所述突起212的凹部216。在本实施例中，所述突起212为梯形状。然而，在其他实施例中，所述突起212亦可为其他形状，例如半圆形、矩形、三角形等。
所述反射片220及导光板230设置在所述背板210上，所述突起212用于推抵所述反射片220，使得所述反射片220紧靠所述导光板230。由上可知，所述反射片220无需使用胶与导光板230黏合，因此反射片220及导光板230之间可更紧密靠近，以减少光的损失。更进一步，反射片220与导光板230并无胶的厚度，因而可降低背光膜块200的厚度。
如图3所示，所述背光膜块200还具有位于所述导光板230一侧的光源250。优选的，所述光源250为发光二极管。所述背板210还具有一垂直所述显示面板100的侧壁218，所述光源250固定于所述侧壁218上。
光学膜片组240叠置在导光板230的上方，所述液晶面板100设置于所述胶框260上，其中液晶面板100与胶框260之间具有一缓冲垫265以降低外界对液晶面板100的冲击影响。前框17设置在所述胶框260侧面，并与该胶框12夹持固定液晶面板100，以保护液晶面板100。
所述软性电路板300的一端电性连接于所述显示面板100的一侧边102，并弯折至所述背板210的底面214。优选的，所述软性电路板300紧靠所述背板210的所述底面214。所述芯片350固定于所述软性电路板300上，且位于所述背板210的所述凹部216内。在本优选实施例的液晶显示装置10中，所述软性电路板300为COF载带。优选的，所述COF载带为栅极COF载带，且所述芯片350为栅极驱动芯片。然而，在其他实施例中，所述COF载带为源极COF载带，且所述芯片350为源极驱动芯片。
值得注意的是，与现有技术相比，所述芯片350是设置在COF载带的反面，使得COF载带弯折至所述背板210的凹部216时，芯片350是朝凹部216内设置，即容纳于凹部216内。
请参照图4，图4为本发明优选实施例的背板的底面示意图。在本优选实施例的液晶显示装置10中，所述背板210的所述凹部216为平行所述显示面板10的所述侧边102的条状凹部。优选的，所述条状凹部设置在对应显示面板10的四侧，以固定反射片220。在本实施例中，所述软性电路板300为三个栅极COF载带，所述芯片350为对应的三个栅极驱动芯片，栅极COF载带弯折到背板210的底面214，使得栅极驱动芯片容纳于条状凹部内。在另一实施例中，所述软性电路板300可为多个源极COF载带，所述芯片350为对应的多个源极驱动芯片，源极COF载带弯折到背板210的底面214，使得源极驱动芯片容纳于另一侧的条状凹部内。
值得一提的是，所述背板210为金属背板，且所述突起212/凹部216由冲压所制成。然而，本发明并不限制背板210的材质。
综上所述，本发明在背板210上设置有凹部216，因此可将COF载带绕到背板210底面214的凹部216，使得芯片350远离位于导光板230一侧的光源250，克服了现有窄边框技术中芯片过热的问题。此外，上述背板210的突起212也具有使反射片220紧靠导光板230的功能，因此可降低背光模块200的厚度。
虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。
 本发明的实施方式
工业实用性
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Claims (18)

  1. 一种液晶显示装置，包括：
    显示面板；
    背光膜块，所述背光膜块包括背板，所述背板面对所述显示面板具有突起，且所述背板的底面具有对应所述突起的凹部；
    COF载带，电性连接于所述显示面板的一侧边，并弯折至所述背板的底面且紧靠所述底面；及
    芯片，固定于所述COF载带上，且位于所述背板的所述凹部内。
  2. 根据权利要求1所述的液晶显示装置，其中所述背光膜块还具有设置在所述背板上的反射片及导光板，所述突起用于推抵所述反射片，使得所述反射片紧靠所述导光板。
  3. 根据权利要求2所述的液晶显示装置，其中所述背光膜块还具有位于所述导光板一侧的光源。
  4. 根据权利要求3所述的液晶显示装置，其中所述背板还具有一垂直所述显示面板的侧壁，所述光源固定于所述侧壁上。
  5. 根据权利要求1所述的液晶显示装置，其中所述突起为梯形状。
  6. 根据权利要求1所述的液晶显示装置，其中所述COF载带为栅极COF载带，且所述芯片为栅极驱动芯片。
  7. 根据权利要求1所述的液晶显示装置，其中所述背板的所述凹部为平行所述显示面板的所述侧边的条状凹部。
  8. 根据权利要求1所述的液晶显示装置，其特征在于，所述背板为金属背板，且所述突起由冲压所制成。
  9. 一种液晶显示装置，包括：
    显示面板；
    背光膜块，所述背光膜块包括背板，所述背板面对所述显示面板具有突起，且所述背板的底面具有对应所述突起的凹部；
    软性电路板，电性连接于所述显示面板的一侧边，并弯折至所述背板的底面；及
    芯片，固定于所述软性电路板上，且位于所述背板的所述凹部内。
  10. 根据权利要求9所述的液晶显示装置，其中所述背光膜块还具有设置在所述背板上的反射片及导光板，所述突起用于推抵所述反射片，使得所述反射片紧靠所述导光板。
  11. 根据权利要求10所述的液晶显示装置，其中所述背光膜块还具有位于所述导光板一侧的光源。
  12. 根据权利要求11所述的液晶显示装置，其中所述背板还具有一垂直所述显示面板的侧壁，所述光源固定于所述侧壁上。
  13. 根据权利要求9所述的液晶显示装置，其中所述突起为梯形状。
  14. 根据权利要求9所述的液晶显示装置，其中所述软性电路板紧靠所述背板的所述底面。
  15. 根据权利要求9所述的液晶显示装置，其中所述软性电路板为COF载带。
  16. 根据权利要求15所述的液晶显示装置，其中所述COF载带为栅极COF载带，且所述芯片为栅极驱动芯片。
  17. 根据权利要求9所述的液晶显示装置，其中所述背板的所述凹部为平行所述显示面板的所述侧边的条状凹部。
  18. 根据权利要求9所述的液晶显示装置，其中所述背板为金属背板，且所述突起由冲压所制成。
PCT/CN2012/080605 2012-08-21 2012-08-27 液晶显示装置 Ceased WO2014029114A1 (zh)

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Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103032822A (zh) * 2012-12-12 2013-04-10 深圳市华星光电技术有限公司 一种应用于背光模组的光纤、背光模组及液晶显示装置
KR102020982B1 (ko) 2013-02-28 2019-09-16 엘지디스플레이 주식회사 플렉서블 디스플레이 장치 및 그 제조 방법
CN103823321B (zh) * 2014-03-21 2016-07-06 深圳市华星光电技术有限公司 曲面液晶显示装置
JP2015191232A (ja) * 2014-03-31 2015-11-02 ソニー株式会社 液晶表示装置
KR102243856B1 (ko) * 2014-04-07 2021-04-26 삼성디스플레이 주식회사 표시 장치
TWI587768B (zh) * 2014-09-12 2017-06-11 友達光電股份有限公司 顯示裝置
CN104460083A (zh) * 2014-12-10 2015-03-25 深圳市华星光电技术有限公司 一种液晶模组全贴合结构
JP6539067B2 (ja) * 2015-03-04 2019-07-03 株式会社ジャパンディスプレイ 表示装置及び電子部品
CN204536695U (zh) * 2015-04-24 2015-08-05 京东方科技集团股份有限公司 一种显示装置
KR102420996B1 (ko) * 2015-07-30 2022-07-13 엘지디스플레이 주식회사 액정표시모듈 및 이를 이용한 액정표시장치
KR102416142B1 (ko) * 2015-08-31 2022-07-01 엘지디스플레이 주식회사 백커버 및 이를 이용한 투명표시장치
KR20170040435A (ko) 2015-10-02 2017-04-13 삼성디스플레이 주식회사 표시 장치
CN105759502A (zh) * 2016-04-28 2016-07-13 武汉华星光电技术有限公司 背光模块及液晶显示装置
KR102627207B1 (ko) 2016-08-19 2024-01-23 삼성디스플레이 주식회사 표시 패널
CN106054436A (zh) * 2016-08-24 2016-10-26 青岛海信电器股份有限公司 一种液晶模组及液晶显示装置
TWI598661B (zh) * 2016-12-26 2017-09-11 友達光電股份有限公司 顯示裝置
CN107247372A (zh) * 2017-07-24 2017-10-13 武汉华星光电技术有限公司 一种显示装置及智能移动设备
US10509278B2 (en) * 2018-02-09 2019-12-17 Wuhan China Star Optoelectronics Technology Co., Ltd. Chip on film (COF) single-layer flexible printed circuit board and liquid crystal display (LCD) having the same
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CN110568681B (zh) * 2019-08-06 2021-03-16 深圳市华星光电半导体显示技术有限公司 显示面板及液晶显示器
CN112817174A (zh) * 2021-02-22 2021-05-18 深圳市华星光电半导体显示技术有限公司 拼接屏及显示装置
CN117492266A (zh) * 2023-05-23 2024-02-02 苏州华星光电技术有限公司 一种显示装置及其组装方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1303021A (zh) * 1999-11-30 2001-07-11 三星电子株式会社 液晶显示装置
US7064952B1 (en) * 2005-02-01 2006-06-20 Chunghwa Picture Tubes, Ltd. Display device with detachable heat-sink structure thereof
CN200993707Y (zh) * 2006-12-27 2007-12-19 上海广电光电子有限公司 液晶模组
KR20080054570A (ko) * 2006-12-13 2008-06-18 삼성전자주식회사 액정 표시 장치
CN101393350A (zh) * 2007-09-21 2009-03-25 北京京东方光电科技有限公司 液晶显示背光源
CN101493588A (zh) * 2009-02-11 2009-07-29 友达光电股份有限公司 平面显示器
CN102297368A (zh) * 2011-09-07 2011-12-28 友达光电股份有限公司 一种背光模组
CN102368122A (zh) * 2011-09-14 2012-03-07 深圳市华星光电技术有限公司 液晶显示装置、液晶面板与背光模组的组合方法及结构
CN202182991U (zh) * 2011-08-09 2012-04-04 北京京东方光电科技有限公司 一种液晶显示器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013003487A (ja) * 2011-06-21 2013-01-07 Panasonic Liquid Crystal Display Co Ltd 表示装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1303021A (zh) * 1999-11-30 2001-07-11 三星电子株式会社 液晶显示装置
US7064952B1 (en) * 2005-02-01 2006-06-20 Chunghwa Picture Tubes, Ltd. Display device with detachable heat-sink structure thereof
KR20080054570A (ko) * 2006-12-13 2008-06-18 삼성전자주식회사 액정 표시 장치
CN200993707Y (zh) * 2006-12-27 2007-12-19 上海广电光电子有限公司 液晶模组
CN101393350A (zh) * 2007-09-21 2009-03-25 北京京东方光电科技有限公司 液晶显示背光源
CN101493588A (zh) * 2009-02-11 2009-07-29 友达光电股份有限公司 平面显示器
CN202182991U (zh) * 2011-08-09 2012-04-04 北京京东方光电科技有限公司 一种液晶显示器
CN102297368A (zh) * 2011-09-07 2011-12-28 友达光电股份有限公司 一种背光模组
CN102368122A (zh) * 2011-09-14 2012-03-07 深圳市华星光电技术有限公司 液晶显示装置、液晶面板与背光模组的组合方法及结构

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