WO2016026159A1 - 背光模组及液晶显示装置 - Google Patents

背光模组及液晶显示装置 Download PDF

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Publication number
WO2016026159A1
WO2016026159A1 PCT/CN2014/085269 CN2014085269W WO2016026159A1 WO 2016026159 A1 WO2016026159 A1 WO 2016026159A1 CN 2014085269 W CN2014085269 W CN 2014085269W WO 2016026159 A1 WO2016026159 A1 WO 2016026159A1
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WO
WIPO (PCT)
Prior art keywords
optical fiber
groove
fixing
backlight module
disposed
Prior art date
Application number
PCT/CN2014/085269
Other languages
English (en)
French (fr)
Inventor
陈仕祥
李德华
萧宇均
Original Assignee
深圳市华星光电技术有限公司
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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 US14/396,752 priority Critical patent/US9645307B2/en
Publication of WO2016026159A1 publication Critical patent/WO2016026159A1/zh

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0081Mechanical 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
    • G02B6/0086Positioning aspects
    • G02B6/0088Positioning aspects of the light guide or other optical sheets in the package
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0013Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0028Light guide, e.g. taper
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0081Mechanical 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
    • G02B6/0086Positioning aspects
    • G02B6/0091Positioning aspects of the light source relative to the light guide
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133615Edge-illuminating devices, i.e. illuminating from the side
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0066Light 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
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133618Illuminating devices for ambient light

Definitions

  • the present invention relates to the field of liquid crystal display technology, and in particular to a backlight module and a liquid crystal display device. Background technique
  • the original light source refers to a light source that emits light by using an energy source such as electric power, such as a light emitting diode ( Light Emitting Diode, referred to as LED).
  • LEDs are widely used as backlight sources in backlight modules because of their high efficiency and energy saving.
  • the power consumption of backlight sources in backlight modules needs to be further reduced. This requires reducing the number of LEDs used to reduce the power consumption of backlight sources, or using new energy-saving light sources.
  • Backlight source in the backlight module to achieve further energy savings.
  • ambient light such as sunlight
  • a backlight module using ambient light as a backlight source is configured to collect ambient light and use a plurality of optical fibers to conduct, and the ambient light collected by the light-emitting end faces of each optical fiber is emitted into the backlight module.
  • 1 is a schematic view showing the structure of a backlight module using ambient light as a backlight source in the prior art. Referring to FIG.
  • the backlight module of the prior art includes a light guide plate 110, an optical fiber 120, and a fixing frame 130 for fixing the optical fiber 120.
  • the light guide plate 110 includes a light incident side 111.
  • the optical fiber 120 is fixed in the holder 130, and the light-emitting end surface 121 of the optical fiber 120 is fitted to the light side surface 111.
  • an object of the present invention is to provide a backlight module, including: a light guide plate having a light incident side; a fixing bracket including a vertical portion and a horizontal portion, wherein the vertical portion a portion opposite to the light incident side, and having between the vertical portion and the light incident side a gap, the vertical portion has a plurality of mounting holes, the mounting hole penetrating the vertical portion and the horizontal portion, thereby forming a plurality of grooves on the horizontal portion; a plurality of optical fibers, wherein An optical fiber is disposed in the recess and the mounting hole and a light emitting end surface thereof is attached to the light incident side, the optical fiber is used to introduce ambient light into the light guide plate; and a plurality of sliding components, wherein the sliding A component is sleeved on the optical fiber and fixed to the optical fiber, and the sliding component is placed in the recess and is movable with expansion or contraction of the light guide plate.
  • the sliding assembly includes a fiber sleeve and an elastic member, wherein the optical fiber sleeve is disposed on the optical fiber and fixed to the optical fiber, and an outer surface of the optical fiber sleeve is provided with a boss along a circumference, the concave
  • the bottom portion of the groove is recessed to form a receiving groove, and the bottom of the receiving groove forms a first step and a second step with the bottom of the groove, and the optical fiber sleeve is placed in the groove, and the boss abuts
  • the elastic member is sleeved on the optical fiber sleeve and placed in the accommodating groove, and one end of the elastic member abuts the boss, and the other end of the elastic member Abutting the second step.
  • the backlight module further includes a plurality of fixing covers, wherein the fixing cover includes a bulging portion and a fixing portion respectively formed by extending from both sides of the bulging portion, the fixing portion and the horizontal portion The surface is fixedly coupled to fix the arching portion over the recess to securely engage the sliding assembly between the raised portion and the recess.
  • the sliding assembly includes a fiber sleeve, wherein the optical fiber sleeve is disposed on the optical fiber and fixed to the optical fiber, and the outer surface of the optical fiber sleeve is provided with a bump, and the surface of the horizontal portion is
  • the engaging portion of the groove is provided with an engaging groove, and the protruding block is disposed in the engaging groove to engage the optical fiber sleeve in the groove, and the protruding block is made of an elastic material.
  • the backlight module further includes a fixing strip, wherein the fixing strip includes a plurality of convex portions and a protruding portion disposed between the plurality of convex portions, and the fixing strip is fixed to the horizontal portion
  • the protruding portion is fixedly disposed on the engaging groove to fix the protruding block between the protruding portion and the engaging groove, and the protruding portion is fixed And being disposed on the groove to fix the fiber sleeve between the arch portion and the groove.
  • Another object of the present invention is to provide a liquid crystal display device including a backlight module and a liquid crystal display panel disposed on the backlight module, wherein the backlight module provides a display light source to the liquid crystal display panel to The liquid crystal display panel displays an image, wherein the backlight module is the backlight module.
  • the sliding member drives the optical fiber to move, thereby preventing the optical fiber from being broken or the like.
  • FIG. 1 is a prior art backlight module using ambient light as a backlight source.
  • FIG. 2 is a partial perspective view of a backlight module according to a first embodiment of the present invention
  • FIG. 3 is a partially cutaway perspective view of a backlight module according to a first embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a liquid crystal display device according to an embodiment of the present invention.
  • FIG. 2 is a partial perspective view of a backlight module in accordance with a first embodiment of the present invention.
  • Figure 3 is a partially cutaway perspective view of a backlight module in accordance with a first embodiment of the present invention.
  • the backlight module includes a back plate 210 , a light guide plate 220 , a fixing bracket 230 , a plurality of optical fibers 240 , and a plurality of sliding assemblies 250 .
  • the light guide plate 220 is disposed on the back plate 210 and has a light incident side surface 221 .
  • the fixing bracket 230 is fixedly disposed on the back plate 210.
  • the fixing bracket 230 includes a vertical portion 231 and a horizontal portion 232, wherein the vertical portion 231 is disposed opposite to the light incident side surface 221, and the vertical portion 231 and the light entering portion There is a gap between the side faces 221 at a certain distance.
  • the vertical portion 231 has a plurality of mounting holes 2311, wherein each of the mounting cards 2311 penetrates the vertical portion 231 and the horizontal portion 232, thereby forming a plurality of grooves 2321 on the horizontal portion 232.
  • Each of the optical fibers 240 is disposed in the corresponding recess 2321 and the corresponding mounting hole 2311, and the light-emitting end surface 241 of each of the optical fibers 240 is attached to the light-incident side 221 .
  • Each of the optical fibers 240 introduces ambient light (e.g., collected sunlight) collected by an ambient light collecting device (not shown) into the light guide plate 220 through the light incident side 221.
  • Each of the sliding assemblies 250 is sleeved on the corresponding optical fiber 240 and fixedly coupled to the corresponding optical fiber 240.
  • Each of the sliding assemblies 250 is located in the corresponding recess 2321, and can move the corresponding optical fiber 240 in the recess 2321 when the light guide plate 220 is thermally expanded or cooled and contracted, thereby avoiding the problem that the corresponding optical fiber 240 is broken.
  • Each slide assembly 250 includes a fiber optic sleeve 251 and a resilient member 252.
  • the fiber sleeve 251 is sleeved on the corresponding fiber 240 and fixedly coupled to the corresponding fiber 240.
  • the fiber sleeve 251 and the corresponding optical fiber 240 can be fixedly bonded together by an adhesive such as glue.
  • the outer surface of the optical fiber sleeve 251 is provided with a boss 2511 along the circumference.
  • the boss 2511 may be disposed at an intermediate portion of the fiber ferrule 251, but the present invention is not limited thereto.
  • the central portion of each of the grooves 2321 is recessed to form a receiving groove 2322.
  • each of the grooves 2321 and the bottom of the corresponding receiving groove 2322 form a first step 2323 and a second step 2324.
  • the fiber sleeve 251 is placed in the corresponding groove 2321, and the boss 2511 is placed in the receiving groove 2322, and the boss 2511 abuts against the first step 2323.
  • the elastic member 252 is disposed in the accommodating groove 2322 and is sleeved on the optical fiber sleeve 251. One end of the elastic member 252 abuts the boss 2511, and the other end of the elastic member 252 abuts the second step 2324.
  • the backlight module according to the embodiment of the present invention further includes a plurality of fixing covers 260, wherein each of the fixing covers 260 includes a first arching portion 261 and A fixing portion 262 is formed on each of the two sides of the first arching portion 261.
  • each sliding assembly 250 Both include a fiber optic sleeve 251.
  • the fiber sleeve 251 is sleeved on the corresponding fiber 240 and fixedly coupled to the corresponding fiber 240.
  • the optical fiber sleeve 251 and the corresponding optical fiber 240 can be fixedly coupled by an adhesive such as glue.
  • the outer surface of the fiber optic sleeve 251 has two bumps 2512.
  • the two bumps 2512 may be disposed in the intermediate portion of the fiber sleeve 251, but the present invention is not limited thereto.
  • the joint of the surface of the horizontal portion 232 and the groove 2321 is provided with an engaging groove 2325, that is, each of the two sides of each groove 2321 has an engaging groove 2325.
  • Each of the bumps 2512 is disposed in the corresponding engaging groove 2325 to engage the fiber sleeve 251 in the recess 2321.
  • Each of the bumps 2512 is made of an elastic material.
  • the backlight module according to the embodiment of the present invention further includes a fixing strip 270, wherein the fixing strip 270 includes a plurality of convex portions 271 and is disposed on the plurality of convex portions.
  • FIG. 5 is a schematic diagram of a liquid crystal display device in accordance with an embodiment of the present invention. Referring to FIG.
  • a liquid crystal display device includes a backlight module 200 and a liquid crystal display panel 300 disposed on the backlight module 200.
  • the backlight module 200 provides a display light source to the liquid crystal display panel 300.
  • the liquid crystal display panel 300 displays an image.
  • the backlight module 200 is the backlight module of the first embodiment or the second embodiment. While the invention has been shown and described with respect to the specific embodiments of the embodiments of the invention Various changes in details.

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

Abstract

一种背光模组以及具有该背光模组的液晶显示装置,包括:导光板(220),具有一入光侧面(221);固定支架(230),包括竖直部(231)和水平部(232),其中,所述竖直部(231)与所述入光侧面(221)相对设置,且所述竖直部(231)与所述入光侧面(221)之间具有间隙,所述竖直部(231)具有多个安装孔(2311),所述安装孔(2311)贯穿所述竖直部(231)和所述水平部(232),从而在所述水平部(232)上形成多个凹槽(2321);多条光纤(240),其中,所述光纤(240)设置于所述凹槽(2321)和所述安装孔(2311)中且其出光端面(121)贴合所述入光侧面(221),所述光纤(240)用于将环境光导入所述导光板(220)中;多个滑动组件(250),其中,所述滑动组件(250)套设在所述光纤(240)上并与所述光纤(240)固定,所述滑动组件(250)置于所述凹槽(2321)中,并能够随所述导光板(220)的膨胀或收缩移动。

Description

说 明 书
背光模組及液晶显示装置 技术领域
本发明属于液晶显示技术领域, 具体地讲, 涉及一种背光模组及液晶显示 装置。 背景技术
现今, 在液晶显示器 (Liquid Crystal Display, 简称 LCD ) 的背光模组中 大多数采用原始光源作为背光光源, 其中, 所述原始光源是指利用电力等能源 来使自身发光的光源, 例如发光二极管 (Light Emitting Diode, 简称 LED )。 LED具有高效节能的优点, 因此被广泛利用作为背光模组中的背光光源。但随 着未来人们更加注重节能环保, 现今背光模组中的背光光源的功耗需要进一步 地降低, 这就需要减少 LED使用的数量来实现背光光源功耗的降低, 或者使 用新型的节能光源作为背光模组中的背光光源, 来达到进一步地节能。 利用环境光(例如太阳光)作为背光模组中的背光光源是一种新型的节能 方案,其无需使用以电力为动力的原始光源,或者将原始光源的使用比例减小, 可以大幅度地减少能耗。 目前, 利用环境光作为背光光源的背光模组是将环境 光收集后使用多条光纤传导, 并由各条光纤的出光端面将收集的环境光出射到 背光模组中。 图 1是现有技术的利用环境光作为背光光源的背光模组的结构示 意图。 请参照图 1, 现有技术的背光模组包括导光板 110、 光纤 120及固定光 纤 120的固定架 130。 导光板 110包括一入光侧面 111。 光纤 120固定在固定 架 130中, 并且光纤 120的出光端面 121贴合入光侧面 111。 这样, 当外界温 度或背光模组自身发热导致导光板 110温度升高膨胀时, 由于光纤 120被刚性 固定, 不能移动, 所以会出现光纤 120被折断等不良现象。 发明内容
为了解决上述现有技术存在的问题, 本发明的目的在于提供一种背光模 组, 包括: 导光板, 具有一入光侧面; 固定支架, 包括竖直部和水平部, 其中, 所述竖直部与所述入光侧面相对设置, 且所述竖直部与所述入光侧面之间具有 间隙,所述竖直部具有多个安装孔,所述安装孔贯穿所述竖直部和所述水平部, 从而在所述水平部上形成多个凹槽; 多条光纤, 其中, 所述光纤设置于所述凹 槽和所述安装孔中且其出光端面贴合所述入光侧面, 所述光纤用于将环境光导 入所述导光板中; 多个滑动组件, 其中, 所述滑动组件套设在所述光纤上并与 所述光纤固定, 所述滑动组件置于所述凹槽中, 并能够随所述导光板的膨胀或 收缩移动。 进一步地, 所述滑动组件包括光纤套及弹性元件, 其中, 所述光纤套套设 在所述光纤上并与所述光纤固定, 所述光纤套的外表面沿圆周设有凸台, 所述 凹槽的中部下凹形成容置槽, 所述容置槽的底部与所述凹槽的底部形成第一台 阶和第二台阶, 所述光纤套置于所述凹槽中, 所述凸台抵靠所述第一台阶, 所 述弹性元件活动套设在所述光纤套上并置于所述容置槽中, 所述弹性元件的一 端抵接所述凸台, 所述弹性元件的另一端抵接所述第二台阶。 进一步地, 所述背光模组还包括多个固定盖, 其中, 所述固定盖包括拱起 部及由所述拱起部两侧延伸分别形成的固定部, 所述固定部与所述水平部的表 面固定连接, 以使所述拱起部固定于所述凹槽之上, 从而将所述滑动组件固定 卡合于所述拱起部与所述凹槽之间。 进一步地, 所述滑动组件包括光纤套, 其中, 所述光纤套套设在所述光纤 上并与所述光纤固定, 所述光纤套的外表面设有凸块, 所述水平部的表面与所 述凹槽的连接处设有卡合槽, 所述凸块设置于所述卡合槽中, 以使所述光纤套 卡合于所述凹槽中, 所述凸块由弹性材料制成。 进一步地, 所述背光模组还包括固定条, 其中, 所述固定条包括多个凸起 部及设置在多个凸起部之间的拱起部, 所述固定条固定于所述水平部的表面 上, 所述凸起部固定设置在所述卡合槽之上, 以将所述凸块固定卡合于所述凸 起部与所述卡合槽之间, 所述拱起部固定设置在所述凹槽上, 以将所述光纤套 固定卡合于所述拱起部与所述凹槽之间。 本发明的另一目的还在于提供一种液晶显示装置, 包括背光模组及设置在 背光模组之上的液晶显示面板, 所述背光模组提供显示光源给所述液晶显示面 板, 以使所述液晶显示面板显示影像,其中,所述背光模组为上述的背光模组。 本发明的背光模组及液晶显示装置, 在导光板受热膨胀或冷却收缩时,滑 动组件带动光纤移动, 从而避免光纤被折断等的不良现象。 附图说明
通过结合附图进行的以下描述, 本发明的实施例的上述和其它方面、 特点 和优点将变得更加清楚, 附图中: 图 1是现有技术的利用环境光作为背光光源的背光模组的结构示意图; 图 2是根据本发明的第一实施例的背光模组的局部立体示意图; 图 3是根据本发明的第一实施例的背光模组的局部剖切示意图; 图 4是根据本发明的第二实施例的背光模组的局部立体示意图; 图 5是根据本发明的实施例的液晶显示装置的示意图。 具体实施方式 以下, 将参照附图来详细描述本发明的实施例。 然而, 可以以许多不同的 形式来实施本发明, 并且本发明不应该被解释为限制于这里阐述的具体实施 例。 相反, 提供这些实施例是为了解释本发明的原理及其实际应用, 从而使本 领域的其他技术人员能够理解本发明的各种实施例和适合于特定预期应用的 各种修改。
在附图中, 相同的标号将始终被用于表示相同的元件。 将理解的是, 尽管 在这里可使用术语 "第一"、 "第二"等来描述各种元件, 但是这些元件不应受 这些术语的限制。 这些术语仅用于将一个元件与另一个元件区分开来。
图 2是根据本发明的第一实施例的背光模组的局部立体示意图。 图 3是根 据本发明的第一实施例的背光模组的局部剖切示意图。
请参照图 2和图 3, 根据本发明的第一实施例的背光模组包括背板 210、 导光板 220、 固定支架 230、 多条光纤 240、 多个滑动组件 250。 具体而言, 导光板 220设置在背板 210之上, 且其具有一入光侧面 221。 固定支架 230固定设置在背板 210之上。 固定支架 230包括竖直部 231和水平 部 232, 其中, 竖直部 231与入光侧面 221相对设置, 并且竖直部 231与入光 侧面 221之间具有一定距离的间隙。 竖直部 231具有多个安装孔 2311, 其中, 每个安装卡 2311贯穿竖直部 231和水平部 232,从而在水平部 232上形成多个 凹槽 2321。 每条光纤 240设置在对应的凹槽 2321和对应的安装孔 2311中,并 且每条光纤 240的出光端面 241贴合在入光侧面 221上。每条光纤 240将环境 光收集装置 (未示出) 收集的环境光 (例如收集的太阳光) 通过入光侧面 221 导入导光板 220中。每个滑动组件 250套设在对应的光纤 240上并与该对应的 光纤 240固定结合。 每个滑动组件 250位于对应的凹槽 2321中, 并能够在导 光板 220受热膨胀或冷却收缩时, 带动对应的光纤 240在凹槽 2321中移动, 从而避免对应的光纤 240被折断等的不良现象。
每个滑动组件 250均包括光纤套 251和弹性元件 252。 光纤套 251套设在 对应的光纤 240上并与该对应的光纤 240固定结合。在本实施例中,光纤套 251 与对应的光纤 240可通过胶水等粘结剂固定结合在一起。光纤套 251的外表面 沿圆周设有凸台 2511。 在本实施例中, 该凸台 2511可设置在光纤套 251的中 间部分,但本发明并不局限于此。每个凹槽 2321的中部下凹形成容置槽 2322, 其中, 每个凹槽 2321的底部与对应的容置槽 2322的底部形成第一台阶 2323 和第二台阶 2324。光纤套 251置于对应的凹槽 2321中, 其凸台 2511置于容置 槽 2322中, 且凸台 2511抵靠第一台阶 2323。 弹性元件 252置于容置槽 2322 中并活动套设在光纤套 251上, 其中, 该弹性元件 252的一端抵接凸台 2511, 该弹性元件 252的另一端抵接第二台阶 2324。当导光板 220受热膨胀或冷却收 缩时产生位移, 该位移使得可通过滑动组件 250的弹性元件 252收缩或扩张来 带动光纤 240后退或前进, 从而使光纤 240的出光端面 241始终贴合入光侧面 221 , 并且不会出现光纤 240被折断等的不良现象。 为了更好的加固光纤 240及滑动组件 250的牢固性, 根据本发明的实施例 的背光模组还包括多个固定盖 260, 其中, 每个固定盖 260均包括第一拱起部 261及由该第一拱起部 261两侧分别延伸形成的固定部 262。 固定部 262与水 平部 232的表面固定连接, 以使第一拱起部 261固定于凹槽 2321之上, 从而 将滑动组件 250、 光纤 240固定卡合于第一拱起部 261与凹槽 2321之间。 图 4是根据本发明的第二实施例的背光模组的局部立体示意图。 在第二实施例的描述中, 只描述与第一实施例不同之处, 与第一实施例相 同之处在此不再赘述。请参照图 4,与第一实施例不同的是:每个滑动组件 250 均包括光纤套 251。光纤套 251套设在对应的光纤 240上并与该对应的光纤 240 固定结合。 在本实施例中, 光纤套 251与对应的光纤 240可通过胶水等粘结剂 固定结合在一起。 光纤套 251的外表面具有两个凸块 2512。 在本实施例中,这 两个凸块 2512可设置在光纤套 251的中间部分, 但本发明并不局限于此。 水 平部 232的表面与凹槽 2321的连接处设有卡合槽 2325,即每个凹槽 2321的两 侧分别具有一个卡合槽 2325。 每个凸块 2512设置于对应的卡合槽 2325中,以 使光纤套 251卡合置于凹槽 2321中。 每个凸块 2512由弹性材料制成。 当导光 板 220受热膨胀或冷却收缩时产生位移, 该位移使得由弹性材料制成的每个凸 块 2512收缩或扩张来带动光纤 240后退或前进, 从而使光纤 240的出光端面 241始终贴合入光侧面 221, 并且不会出现光纤 240被折断等的不良现象。 在 本实施例中, 每个凸块 2512可由橡胶或硅胶制成。 为了更好的加固光纤 240及滑动组件 250的牢固性, 根据本发明的实施例 的背光模组还包括固定条 270, 其中, 固定条 270包括多个凸起部 271及设置 在多个凸起部 271之间的第二拱起部 272。 固定条 270固定在水平部 232的表 面上, 每个凸起部 271固定设置在对应的卡合槽 2325之上, 以将对应的凸块 2512固定卡合于凸起部 271与卡合槽 2325之间, 第二拱起部 272固定设置在 凹槽 2321上, 以将光纤套 251固定卡合于第二拱起部 272与凹槽 2321之间。 图 5是根据本发明的实施例的液晶显示装置的示意图。 请参照图 5, 根据本发明的实施例的液晶显示装置包括背光模组 200及设 置在背光模组 200之上的液晶显示面板 300, 背光模组 200提供显示光源给液 晶显示面板 300, 以使液晶显示面板 300显示影像, 其中, 背光模组 200为上 述第一实施例或第二实施例的背光模组。 虽然已经参照特定实施例示出并描述了本发明, 但是本领域的技术人员将 理解: 在不脱离由权利要求及其等同物限定的本发明的精神和范围的情况下, 可在此进行形式和细节上的各种变化。

Claims

权利要求书
1、 一种背光模组, 其中, 包括: 导光板, 具有一入光侧面; 固定支架, 包括竖直部和水平部, 其中, 所述竖直部与所述入光侧面相对 设置, 且所述竖直部与所述入光侧面之间具有间隙, 所述竖直部具有多个安装 孔, 所述安装孔贯穿所述竖直部和所述水平部, 从而在所述水平部上形成多个 凹槽; 多条光纤, 其中, 所述光纤设置于所述凹槽和所述安装孔中且其出光端面 贴合所述入光侧面, 所述光纤用于将环境光导入所述导光板中; 多个滑动组件,其中,所述滑动组件套设在所述光纤上并与所述光纤固定, 所述滑动组件置于所述凹槽中, 并能够随所述导光板的膨胀或收缩移动。
2、 根据权利要求 1所述的背光模组, 其中, 所述滑动组件包括光纤套及 弹性元件, 其中, 所述光纤套套设在所述光纤上并与所述光纤固定, 所述光纤 套的外表面沿圆周设有凸台, 所述凹槽的中部下凹形成容置槽, 所述容置槽的 底部与所述凹槽的底部形成第一台阶和第二台阶, 所述光纤套置于所述凹槽 中, 所述凸台抵靠所述第一台阶, 所述弹性元件活动套设在所述光纤套上并置 于所述容置槽中, 所述弹性元件的一端抵接所述凸台, 所述弹性元件的另一端 抵接所述第二台阶。
3、 根据权利要求 1所述的背光模组, 其中, 所述背光模组还包括多个固 定盖, 其中, 所述固定盖包括第一拱起部及由所述第一拱起部两侧延伸分别形 成的固定部, 所述固定部与所述水平部的表面固定连接, 以使所述第一拱起部 固定于所述凹槽之上, 从而将所述滑动组件固定卡合于所述第一拱起部与所述 凹槽之间。
4、 根据权利要求 2所述的背光模组, 其中, 所述背光模组还包括多个固 定盖, 其中, 所述固定盖包括第一拱起部及由所述第一拱起部两侧延伸分别形 成的固定部, 所述固定部与所述水平部的表面固定连接, 以使所述第一拱起部 固定于所述凹槽之上, 从而将所述滑动组件固定卡合于所述第一拱起部与所述 凹槽之间。
5、 根据权利要求 1所述的背光模组, 其中, 所述滑动组件包括光纤套, 其中, 所述光纤套套设在所述光纤上并与所述光纤固定, 所述光纤套的外表面 设有凸块, 所述水平部的表面与所述凹槽的连接处设有卡合槽, 所述凸块设置 于所述卡合槽中, 以使所述光纤套卡合于所述凹槽中, 所述凸块由弹性材料制 成。
6、 根据权利要求 4所述的背光模组, 其中, 所述背光模组还包括固定条, 其中, 所述固定条包括多个凸起部及设置在多个凸起部之间的第二拱起部, 所 述固定条固定于所述水平部的表面上, 所述凸起部固定设置在所述卡合槽之 上, 以将所述凸块固定卡合于所述凸起部与所述卡合槽之间, 所述第二拱起部 固定设置在所述凹槽上, 以将所述光纤套固定卡合于所述第二拱起部与所述凹 槽之间。
7、 一种液晶显示装置, 包括背光模组及设置在背光模组之上的液晶显示 面板, 所述背光模组提供显示光源给所述液晶显示面板, 以使所述液晶显示面 板显示影像, 其中, 所述背光模组包括: 导光板, 具有一入光侧面; 固定支架, 包括竖直部和水平部, 其中, 所述竖直部与所述入光侧面相对 设置, 且所述竖直部与所述入光侧面之间具有间隙, 所述竖直部具有多个安装 孔, 所述安装孔贯穿所述竖直部和所述水平部, 从而在所述水平部上形成多个 凹槽; 多条光纤, 其中, 所述光纤设置于所述凹槽和所述安装孔中且其出光端面 贴合所述入光侧面, 所述光纤用于将环境光导入所述导光板中; 多个滑动组件,其中,所述滑动组件套设在所述光纤上并与所述光纤固定, 所述滑动组件置于所述凹槽中, 并能够随所述导光板的膨胀或收缩移动。
8、 根据权利要求 7所述的液晶显示装置, 其中, 所述滑动组件包括光纤 套及弹性元件, 其中, 所述光纤套套设在所述光纤上并与所述光纤固定, 所述 光纤套的外表面沿圆周设有凸台, 所述凹槽的中部下凹形成容置槽, 所述容置 槽的底部与所述凹槽的底部形成第一台阶和第二台阶, 所述光纤套置于所述凹 槽中, 所述凸台抵靠所述第一台阶, 所述弹性元件活动套设在所述光纤套上并 置于所述容置槽中, 所述弹性元件的一端抵接所述凸台, 所述弹性元件的另一 端抵接所述第二台阶。
9、 根据权利要求 7所述的液晶显示装置, 其中, 所述背光模组还包括多 个固定盖, 其中, 所述固定盖包括第一拱起部及由所述第一拱起部两侧延伸分 别形成的固定部, 所述固定部与所述水平部的表面固定连接, 以使所述第一拱 起部固定于所述凹槽之上, 从而将所述滑动组件固定卡合于所述第一拱起部与 所述凹槽之间。
10、 根据权利要求 8所述的液晶显示装置, 其中, 所述背光模组还包括多 个固定盖, 其中, 所述固定盖包括第一拱起部及由所述第一拱起部两侧延伸分 别形成的固定部, 所述固定部与所述水平部的表面固定连接, 以使所述第一拱 起部固定于所述凹槽之上, 从而将所述滑动组件固定卡合于所述第一拱起部与 所述凹槽之间。
11、 根据权利要求 7所述的液晶显示装置, 其中, 所述滑动组件包括光纤 套, 其中, 所述光纤套套设在所述光纤上并与所述光纤固定, 所述光纤套的外 表面设有凸块, 所述水平部的表面与所述凹槽的连接处设有卡合槽, 所述凸块 设置于所述卡合槽中, 以使所述光纤套卡合于所述凹槽中, 所述凸块由弹性材 料制成。
12、 根据权利要求 11所述的液晶显示装置, 其中, 所述背光模组还包括 固定条, 其中, 所述固定条包括多个凸起部及设置在多个凸起部之间的第二拱 起部, 所述固定条固定于所述水平部的表面上, 所述凸起部固定设置在所述卡 合槽之上, 以将所述凸块固定卡合于所述凸起部与所述卡合槽之间, 所述第二 拱起部固定设置在所述凹槽上, 以将所述光纤套固定卡合于所述第二拱起部与 所述凹槽之间。
PCT/CN2014/085269 2014-08-19 2014-08-27 背光模组及液晶显示装置 WO2016026159A1 (zh)

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