WO2014106355A1 - 光学膜片与胶框的定位结构、背光模组及液晶显示器 - Google Patents

光学膜片与胶框的定位结构、背光模组及液晶显示器 Download PDF

Info

Publication number
WO2014106355A1
WO2014106355A1 PCT/CN2013/070339 CN2013070339W WO2014106355A1 WO 2014106355 A1 WO2014106355 A1 WO 2014106355A1 CN 2013070339 W CN2013070339 W CN 2013070339W WO 2014106355 A1 WO2014106355 A1 WO 2014106355A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
positioning
optical film
backlight module
magnetic body
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/CN2013/070339
Other languages
English (en)
French (fr)
Inventor
李全
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Priority to US13/811,924 priority Critical patent/US8832979B2/en
Publication of WO2014106355A1 publication Critical patent/WO2014106355A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • G02B6/0091Positioning 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
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133322Mechanical guidance or alignment of LCD panel support components
    • 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

Definitions

  • the invention belongs to the field of liquid crystal display, and in particular relates to a positioning structure of an optical film and a plastic frame, a backlight module and a liquid crystal display.
  • the backlight module 100 includes at least one optical film 10, a plastic frame 20, a back frame 30, a light guide plate 40, and an LED lamp 50, wherein The light guide plate 40 is received in the back frame 30.
  • the LED lamp 50 is disposed on an inner side wall 31 of the back frame 30 adjacent to a light incident surface of the light guide plate 40.
  • the light emitted by the LED lamp 50 passes through the light incident surface.
  • a reflector 60 is disposed between the light guide plate 40 and the back frame 30 for reflecting the light emitted from the light guide plate 40 back into the light guide plate 40.
  • the combination of the plastic frame 20 and the back frame 30 fixes the light guide plate 40, the LED lamp 50 and the reflection plate 60 in the back frame 30.
  • the frame 25 of the plastic frame 20 is provided with a positioning post 26, and the optical film 10 has a positioning hole 12 set to set the post 26 so that the optical film 10 is fixedly positioned in the XY direction.
  • the plastic frame 20 cannot fix the optical film 10 in the Z direction (the thickness direction of the backlight module 100), so that the optical film 10 easily jumps in the Z direction (the thickness direction of the backlight module 100).
  • an object of the present invention is to provide a positioning structure for an optical film and a plastic frame, wherein the plastic frame has a frame, and the frame is provided with a mounting hole, the optical film.
  • the sheet is placed on the frame and has a lug.
  • the lug is provided with a positioning hole.
  • the positioning structure comprises: a magnetic body disposed in the mounting hole; and an adsorbed body including a pressing portion and a positioning a column, the positioning post is connected to a lower surface of the nip, and the positioning post protrudes into the mounting hole through the positioning hole and is absorbing and connecting with the adsorption hole of the magnetic body, thereby performing the pressing Pressing the optical film Above the border.
  • Another object of the present invention is to provide a backlight module, including a back frame and a light guide plate, wherein the light guide plate is disposed in the back frame, wherein the backlight module further includes: a plastic frame having a frame, the frame is provided with a mounting hole, the plastic frame is placed on the light guide plate; a magnetic body is disposed in the mounting hole; at least one optical film is disposed on the frame and has a convex shape
  • the locating hole is provided with a positioning hole; the absorbing body includes a nip portion and a positioning post, the positioning post is connected to a lower surface of the nip portion, and the positioning post extends through the positioning hole Adjacent to the adsorption hole of the magnetic body in the mounting hole, the nip is pressed to the optical film on the frame.
  • Another object of the present invention is to provide a liquid crystal display, comprising: a display panel, an outer frame and a backlight module, wherein the display panel is placed on the backlight module, and the outer frame is placed on the panel
  • the backlight module includes a back frame and a light guide plate, and the light guide plate is disposed in the back frame, wherein the backlight module further includes: a plastic frame having a frame, and the frame is provided on the frame a mounting hole, the plastic frame is disposed on the light guide plate; a magnetic body is disposed in the mounting hole; at least one optical film is disposed on the frame and has a lug, and the lug is disposed a positioning hole; the absorbing body, comprising a nip portion and a positioning post, the positioning post is connected to a lower surface of the nip portion, and the positioning post protrudes into the mounting hole through the positioning hole
  • the adsorption holes of the magnetic body are adsorbed and coupled, and the embossed portion is pressed against the
  • the positioning post is integrally formed with the nip.
  • the positioning post and the nip portion are made of a magnetic metal material.
  • a buffer layer is provided on an upper surface of the nip.
  • the buffer layer is made of silica gel.
  • the magnetic body is bonded to a bottom surface of the mounting hole and/or a side surface of the mounting hole by an adhesive.
  • the binder is an acrylic glue.
  • the magnetic body is a magnet.
  • FIG. 1 is a schematic structural view of a conventional backlight module.
  • 2 is a front elevational view of a backlight module in accordance with an embodiment of the present invention.
  • Fig. 3 is a view taken along the line AA of the area B in Fig. 2;
  • 4 is a schematic structural view of a liquid crystal display device according to an embodiment of the present invention.
  • the backlight module 100 of the present embodiment includes a plastic frame 20 and at least one optical film 10, wherein the optical film 10 is disposed and fixed on the plastic frame 20.
  • the plastic frame 20 is a slightly rectangular frame having four frames 21, 22, 23, 24, for example, opposite first and second frames 21, 22, and oppositely disposed third and The fourth frame 23, 24, two adjacent frames are perpendicular to each other and the frames have the same thickness.
  • the first and second frames 21, 22 are short frames of the rectangular frame 20, and the third and fourth frames 23, 24 are long frames of the frame 20.
  • the first, second, third, and fourth frames 21, 22, 23, 24 surround and define a receiving space for receiving and carrying the optical film 10 and other components in the backlight module 100.
  • the present invention is not limited to the rectangular plastic frame 20, and any shape of the frame can be applied to the present invention.
  • the two frames of the plastic frame 20, for example, the opposite third and fourth frames 23, 24 are provided with a positioning structure 70 for fixing the positioning optical film 10, for example, on the third frame 23. There are two positioning structures 70, and two positioning structures 70 are provided on the fourth frame.
  • one or more positioning structures 70 may be disposed on only one of the frames of the plastic frame 20 (such as the first frame 21), or three frames of the plastic frame 20 (such as One or more positioning structures 70 are disposed on each of the second, third, and fourth frames 22, 23, and 24), or one or more positioning structures 70 are disposed on each of the four frames of the plastic frame 20.
  • the side of the optical film 10 corresponds to the positioning structure 70 provided on the frame of the plastic frame 20 to protrude the lug 11 , that is, the positioning of the lug 11 and the frame of the plastic frame 20
  • the structures 70 are equal in number and correspond one-to-one to each other.
  • Fig. 3 is a view showing the AA direction of the B area in Fig. 2.
  • the backlight module 100 includes at least one optical film 10 , a plastic frame 20 , a back frame 30 , a light guide plate 40 , and an LED lamp 50 .
  • the light guide plate 40 is received in the back frame 30 .
  • the light emitted from the LED lamp 50 enters the light guide plate 40 through the light incident surface of the light guide plate 40.
  • a reflector 60 is disposed between the light guide plate 40 and the back frame 30 for reflecting the light emitted from the light guide plate 40 back into the light guide plate 40.
  • the combination of the plastic frame 20 and the back frame 30 fixes the light guide plate 40, the LED lamp 50 and the reflection plate 60 in the back frame 30.
  • the positioning structure 70 is disposed on the third frame 23 of the plastic frame 20.
  • the positioning structure 70 includes a mounting hole 71, an adsorbed body 72 and a magnetic body 73.
  • the mounting hole 71 is disposed on the third frame, and the magnetic body 73 is placed.
  • the magnetic body 73 is provided with an adsorption hole 731
  • the optical film 10 is provided with a lug 11
  • the lug 11 is provided with a positioning hole 12.
  • the accommodating body 72 includes a nip portion 721 and a positioning post 722.
  • the positioning post 722 is coupled to the lower surface of the nip portion 721.
  • the shape of the positioning post 722 matches the shape of the absorbing hole 731.
  • the positioning post 722 extends through the locating hole 12 to be mounted.
  • the hole 71 is adsorbed and coupled to the adsorption hole 731 of the magnetic body 73, and the nip portion 721 is pressed against the optical frame 10 on the third frame 23.
  • the positioning post 722 can be fixedly connected to the lower surface of the nip portion 721 by riveting or welding, or the positioning post 722 and the nip portion 721 can be integrally formed by the mold.
  • the magnetic body 73 is bonded to the bottom surface or the side surface of the mounting hole 71 by the adhesive 80, which may be a transparent acrylic glue or the like.
  • the magnetic body 73 of the present embodiment may be a samarium cobalt magnet or a neodymium iron boron high performance magnet, or may be an oxidized magnet.
  • the oxidized magnet is mainly composed of iron oxide, strontium carbonate or strontium carbonate metal powder, and is molded into a desired shape and size through a mold.
  • the magnetic body 73 may be a rubber magnet which is a raw material in which an oxidized magnet and a rubber are mixed, and can be easily formed into different shapes and sizes.
  • the shape of the adsorption hole 731 of the magnetic body 73 may be U-shaped.
  • the cross section of the positioning post 722 may be slightly rectangular to better match the U-shape of the adsorption hole 731 of the magnetic body 73, so as to position the column 722 and The magnetic body 73 is better adsorbed and bonded.
  • the shape of the magnetic body 73 can also be annular, that is, the adsorption hole 731 of the magnetic body 73 is slightly circular, and correspondingly, the cross section of the positioning post 722 can be It is slightly rounded to better match the slightly circular shape of the adsorption hole 731 of the magnetic body 73 so that the positioning post 722 is better adsorbed and bonded to the magnetic body 73.
  • the shape of the magnetic body 73 may also be other shapes.
  • the shape of the cross section of the positioning post 722 is well matched with the shape of the adsorption hole 731 of the magnetic body 73, so that the positioning post 722 and the magnetic body 73 are more. Good adsorption combination.
  • the adsorbed body 72 of the present embodiment may be a magnetic metal material such as a galvanized steel sheet or stainless steel.
  • the magnetic metal material referred to herein means a metal material which can generate a magnetic attraction force with a magnet or a magnetic body.
  • the upper surface of the nip portion 721 of the adsorbed body 72 is further provided with a buffer layer 90.
  • FIG. 4 is a schematic structural diagram of a liquid crystal display according to an embodiment of the present invention.
  • the liquid crystal display 1 of the present embodiment includes the backlight module 100, the display panel 200, and the outer frame 300.
  • the display panel 200 is disposed on the buffer layer 90 and is opposite to the backlight module 100.
  • the backlight module 100 provides a light source to the display panel 200.
  • the outer frame 300 covers the edge of the display panel 200 and is connected to the back frame 30, by which the display panel 200 is assembled with the backlight module 100 to form a complete liquid helium display 1.
  • the adsorbed body of the optical film is adsorbed by the magnetic body provided in the mounting hole on the frame, so that the optical film and the glue are made.
  • the frame can easily fix and position the XYZ in three directions, improve the reliability of the positioning of the optical film, and improve the assembly speed and productivity.

Landscapes

  • Physics & Mathematics (AREA)
  • Liquid Crystal (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Planar Illumination Modules (AREA)

Abstract

一种光学膜片(10)与胶框(20)的定位结构(70)、背光模组(100)及液晶显示器。胶框(20)具有边框(21,22,23,24),边框(21,22,23,24)上设有安装孔(71),光学膜片(10)设置于边框(21,22,23,24)上并且具有凸耳(11),凸耳(11)上设有定位孔(12),光学膜片(10)与胶框(20)的定位结构(70)包括:磁性体(73),设于安装孔(71)内;被吸附体(72),包括压合部(721)及定位柱(722),定位柱(722)连接于压合部(721)的下表面,定位柱(722)通过定位孔(12)伸入安装孔(71)内与磁性体(73)的吸附孔(731)吸附连接,进而使压合部(721)压固光学膜片(10)于边框(21,22,23,24)之上。光学膜片(10)与胶框(20)的定位结构(70)可在XYZ方向上将光学膜片(10)很好地固定定位,提高光学膜片(10)的固定定位可靠性,并使得组装更为简易方便,提高了组装速度及提升了产能。

Description

光学膜片与胶框的定位结构、 背光模组及液晶显示器
技术领域
本发明属于液晶显示领域, 具体地说, 是涉及一种光学膜片与胶框的定位 结构、 背光模组及液晶显示器。
背景技术 显示器中, 由于液晶显示器 (Liquid crystal display, LCD) 具有非常多的 优点, 因此, 目前液晶显示器己经被广泛地应用于各种电子装置中。 在 LED作为背光源的超窄边框的液晶显示器中, 为了解决 LED发出的光 在导光板表面上形成的 hotspot (萤火虫) 问题, 光学膜片通常是放在胶框之上 的, 具体请参照图 1, 图 1所示为现有的一种背光模组的结构示意图, 该背光 模组 100包括至少一光学膜片 10、胶框 20、背框 30、导光板 40及 LED灯 50, 其中, 导光板 40收容于背框 30之内, LED灯 50设于背框 30的一内侧壁 31 之上, 邻近导光板 40的一入光面, LED灯 50发出的光通过该入光面而进入导 光板 40中。导光板 40与背框 30之间设有一反射板 60,用于将导光板 40射出 的光反射回导光板 40内。 胶框 20与背框 30的结合将导光板 40、 LED灯 50 及反射板 60固定于背框 30内。胶框 20的边框 25上设有定位柱 26,光学膜片 10具有的定位孔 12套设定位柱 26, 使光学膜片 10在 XY方向上固定定位。
这样, 胶框 20就不能够在 Z方向 (背光模组 100厚度方向) 上固定光学 膜片 10, 使得光学膜片 10在 Z方向 (背光模组 100厚度方向) 上容易跳脱。 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光学膜片 与胶框的定位结构, 其中, 所述胶框具有边框, 所述边框上设有安装孔, 所述 光学膜片置于所述边框上并且具有凸耳, 所述凸耳上设有定位孔, 所述定位结 构包括: 磁性体, 设于所述安装孔内; 被吸附体, 其包括压合部及定位柱, 所 述定位柱连接于所述压合部的下表面, 所述定位柱通过所述定位孔伸入所述安 装孔内与所述磁性体的吸附孔吸附连结, 进而使所述压合部压固所述光学膜片 于所述边框之上。 本发明的另一目的还在于提供了一种背光模组, 包括背框及导光板, 所述 导光板置于所述背框之中, 其中, 所述背光模组还包括: 胶框, 具有边框, 所 述边框上设有安装孔, 所述胶框置于所述导光板之上; 磁性体, 设于所述安装 孔内;至少一光学膜片,置于所述边框上且具有凸耳,所述凸耳上设有定位孔; 被吸附体, 其包括压合部及定位柱, 所述定位柱连接于所述压合部的下表面, 所述定位柱通过所述定位孔伸入所述安装孔内与所述磁性体的吸附孔吸附连 结, 进而使所述压合部压固所述光学膜片于所述边框之上。 本发明的另一目的还在于提供了一种液晶显示器, 包括: 显示面板、 外框 及背光模组, 所述显示面板置于所述背光模组之上, 所述外框置于所述面板之 上, 所述背光模组包括背框及导光板, 所述导光板置于所述背框之中, 其中, 所述背光模组还包括: 胶框, 具有边框, 所述边框上设有安装孔, 所述胶框置 于所述导光板之上; 磁性体, 设于所述安装孔内; 至少一光学膜片, 置于所述 边框上且具有凸耳, 所述凸耳上设有定位孔; 被吸附体, 其包括压合部及定位 柱, 所述定位柱连接于所述压合部的下表面, 所述定位柱通过所述定位孔伸入 所述安装孔内与所述磁性体的吸附孔吸附连结, 进而使所述压合部压固所述光 学膜片于所述边框之上。 此外, 所述定位柱与所述压合部一体成型。 此外, 所述定位柱及所述压合部的材质为磁性金属材料。 此外, 所述压合部的上表面设有缓冲层。 此外, 所述缓冲层的材质为硅胶。 此外,所述磁性体通过粘结剂与所述安装孔的底表面和 /或所述安装孔的侧 表面粘结。 此外, 所述粘结剂为亚克力胶。 此外, 所述磁性体为磁铁。
根据本发明的光学膜片与胶框的定位结构、 背光模组及液晶显示器, 该定 位结构可在 XYZ方向上将光学膜片很好地固定定位, 提高光学膜片的固定定 位可靠性, 并使得组装更为简易方便, 提高了组装速度及提升了产能。 附图说明 图 1是现有的一种背光模组的结构示意图。 图 2是本发明实施例的背光模组的正视图。 图 3是图 2中的 B区域的 A-A向视图。 图 4是本发明实施例的液晶显示器的结构示意图。
具体实施方式 为了更好地阐述本发明所采取的技术手段及其效果, 以下结合本发明的实 施例及其附图进行详细描述, 其中, 相同的标号始终表示相同的部件。 图 2所示为本发明实施例的背光模组的正视图。 参照图 2, 本实施例的背光模组 100包括有胶框 20及至少一光学膜片 10, 其中, 光学膜片 10设置并固定于胶框 20之上。 具体地讲, 胶框 20是一略呈矩形的框体, 具有四个边框 21、 22、 23、 24, 例如可是相对设置的第一及第二边框 21、 22, 以及相对设置的第三及第四边框 23、 24, 两相邻的边框相互垂直且这些边框具有相同的厚度。 在本实施例中, 第一及第二边框 21、 22是矩形胶框 20的短边框, 而第三及第四边框 23、 24 则是胶框 20的长边框。 第一、 第二、 第三、 第四边框 21、 22、 23、 24围绕并 界定出一收容空间来收容并承载光学膜片 10及背光模组 100中的其他部件。 但本发明并不仅限于矩形的胶框 20, 任何形状的框架均可应用于本发明。 在本实施例中, 胶框 20的两个边框, 例如相对设置的第三、第四边框 23、 24上设有用来固定定位光学膜片 10的定位结构 70, 例如在第三边框 23上设 有两个定位结构 70, 在第四边框上设有两个定位结构 70。 但可以理解的是, 在其它实施例中, 可以仅在胶框 20的任一边框 (如第一边框 21 ) 上设置一个 或多个定位结构 70, 或是胶框 20的三个边框 (如第二、 第三及第四边框 22、 23、 24) 上各设置一个或多个定位结构 70, 或是胶框 20的四个边框上各设置 一个或多个定位结构 70。 相对应地, 光学膜片 10的侧边对应胶框 20的边框上设有的定位结构 70 而突伸出凸耳 11, 也就是说, 凸耳 11与胶框 20的边框上设有的定位结构 70 数量相等, 彼此一一对应。 为了便于说明, 下文中将以图 2中的 B区域中的定位结构 70及对应该定 位结构 70的光学膜片 10的侧边突伸出的凸耳 11来解释本发明, 而其它的定 位结构 70及其它的光学膜片 10的侧边设有的凸耳 11则以较简略方式加以说 明, 以避免不必要的重复。 图 3所示为图 2中的 B区域的 A-A向视图。 参照图 2、图 3,背光模组 100包括至少一光学膜片 10、胶框 20、背框 30、 导光板 40及 LED灯 50, 其中, 导光板 40收容于背框 30之内, LED灯 50设 于背框 30的一内侧壁 31之上,邻近导光板 40的一入光面, LED灯 50发出的 光通过该入光面而进入导光板 40中。 导光板 40与背框 30之间设有一反射板 60, 用于将导光板 40射出的光反射回导光板 40内。 胶框 20与背框 30的结合 将导光板 40、 LED灯 50及反射板 60固定于背框 30内。 定位结构 70设置于胶框 20的第三边框 23上, 定位结构 70包括有安装孔 71、 被吸附体 72及磁性体 73, 其中, 安装孔 71设于第三边框上, 磁性体 73 置于安装孔 71中, 磁性体 73设有一吸附孔 731, 光学膜片 10设有凸耳 11, 凸耳 11上设有定位孔 12。 被吸附体 72包括压合部 721及定位柱 722, 定位柱 722连接于压合部 721的下表面,定位柱 722的形状与吸附孔 731的形状匹配, 定位柱 722通过定位孔 12伸入安装孔 71内与磁性体 73的吸附孔 731吸附连 结, 进而使压合部 721压固光学膜片 10于第三边框 23之上。 需要说明的是, 定位柱 722可通过铆接或焊接与压合部 721的下表面固定 连接, 也可以是通过模具使得定位柱 722与压合部 721—体成型。 磁性体 73 通过粘结剂 80与安装孔 71的底表面或侧表面粘结, 该粘结剂 80可为透明的 亚克力胶等。 本实施例的磁性体 73可为钐钴磁铁或为钕铁硼高性能磁铁, 也可以是氧 化磁铁。 氧化磁铁主要是由氧化铁、 碳酸钡或碳酸锶金属粉末所组成, 并经由 模具成型为所要求的形状及大小。 当然, 磁性体 73也可以是一种橡胶磁铁, 橡胶磁铁是氧化磁铁和橡胶混合而成的原料, 可以非常容易制成不同的形状及 大小。 磁性体 73的吸附孔 731的形状可呈现 U型, 相对应地, 定位柱 722的 横截面可为略矩形以更好地匹配磁性体 73的吸附孔 731的 U型形状, 以便定 位柱 722与磁性体 73更好地吸附结合。此外,磁性体 73的形状也可呈现环形, 即磁性体 73的吸附孔 731呈现略圆形, 相对应地, 定位柱 722的横截面可为 略圆形以更好地匹配磁性体 73的吸附孔 731 的略圆形形状, 以便定位柱 722 与磁性体 73更好地吸附结合。 当然, 磁性体 73的形状也可为其它形状, 相对 应地, 定位柱 722的横截面的形状要与磁性体 73的吸附孔 731的形状很好地 匹配, 以便定位柱 722与磁性体 73更好地吸附结合。 本实施例的被吸附体 72可为磁性金属材料, 例如镀锌钢板或是不锈钢。 当被吸附体的定位柱 722通过光学膜片 10的定位孔 12进入安装孔 71内时, 固设于安装孔 71内的磁性体 73与定位柱 722及压合部 723因磁力作用而自然 吸引, 达到使光学膜片 10固定与定位的效果。 本文中所谓的磁性金属材料是 指可与磁铁或磁性体产生磁吸引力的金属材料。 在本实施例中, 被吸附体 72的压合部 721的上表面还设有缓冲层 90, 缓 冲层 90的材料可为硅胶材料等, 其用途将于以下文中说明。 本实施例的背光模组应用于液晶显示器中, 具体请参照图 4, 图 4所示为 本发明实施例的液晶显示器的结构示意图。 本实施例的液晶显示器 1包括上述的背光模块 100、 显示面板 200及外框 300, 其中, 显示面板 200置于缓冲层 90之上而相对于背光模块 100, 背光模 块 100提供光源至显示面板 200, 外框 300覆盖显示面板 200的边缘并且连接 于背框 30,通过此将显示面板 200与背光模块 100组装成一体,形成完整的液 曰曰显示器 1。 根据本发明的光学膜片与胶框的定位结构、 背光模组及液晶显示器, 通过 边框上的安装孔内设有的磁性体吸附压固光学膜片的被吸附体,使得光学膜片 与胶框能够很容易地实现 XYZ三个方向上的固定与定位, 提高了光学膜片定 位的可靠性, 且提高了组装速度及提升了产能。
虽然本发明是参照其示例性的实施例被具体描述和显示的,但是本领域的 普通技术人员应该理解, 在不脱离由权利要求限定的本发明的精神和范围的情 况下, 可以对其进行形式和细节的各种改变。

Claims

权利要求书
1、 一种光学膜片与胶框的定位结构, 其中, 所述胶框具有边框, 所述边 框上设有安装孔, 所述光学膜片置于所述边框上并且具有凸耳, 所述凸耳上设 有定位孔, 所述定位结构包括: 磁性体, 设于所述安装孔内; 被吸附体, 其包括压合部及定位柱, 所述定位柱连接于所述压合部的下表 面, 所述定位柱通过所述定位孔伸入所述安装孔内与所述磁性体的吸附孔吸附 连结, 进而使所述压合部压固所述光学膜片于所述边框之上。
2、 根据权利要求 1所述的定位结构, 其中, 所述定位柱与所述压合部一 体成型。
3、 根据权利要求 1所述的定位结构, 其中, 所述定位柱及所述压合部的 材质为磁性金属材料。
4、 根据权利要求 1所述的定位结构, 其中, 所述压合部的上表面设有缓 冲层, 所述缓冲层的材质为硅胶。
5、 根据权利要求 1所述的定位结构, 其中, 所述磁性体通过粘结剂与所 述安装孔的底表面粘结, 所述粘结剂为亚克力胶。
6、 根据权利要求 1所述的定位结构, 其中, 所述磁性体为磁铁。
7、 一种背光模组, 包括背框及导光板, 所述导光板置于所述背框之中, 其中, 所述背光模组还包括: 胶框,具有边框,所述边框上设有安装孔,所述胶框置于所述导光板之上; 磁性体, 设于所述安装孔内; 至少一光学膜片, 置于所述边框上且具有凸耳, 所述凸耳上设有定位孔; 被吸附体, 其包括压合部及定位柱, 所述定位柱连接于所述压合部的下表 面, 所述定位柱通过所述定位孔伸入所述安装孔内与所述磁性体的吸附孔吸附 连结, 进而使所述压合部压固所述光学膜片于所述边框之上。
8、 根据权利要求 7所述的背光模组, 其中, 所述定位柱与所述压合部一 体成型。
9、 根据权利要求 7所述的背光模组, 其中, 所述定位柱及所述压合部的 材质为磁性金属材料。
10、 根据权利要求 7所述的背光模组, 其中, 所述压合部的上表面设有缓 冲层, 所述缓冲层的材质为硅胶。
11、 根据权利要求 7所述的背光模组, 其中, 所述磁性体通过粘结剂与所 述安装孔的底表面粘结, 所述粘结剂为亚克力胶。
12、 根据权利要求 7所述的背光模组, 其中, 所述磁性体为磁铁。
13、 一种液晶显示器, 包括: 显示面板、 外框及背光模组, 所述显示面板 置于所述背光模组之上, 所述外框置于所述面板之上, 所述背光模组包括背框 及导光板, 所述导光板置于所述背框之中, 其中, 所述背光模组还包括: 胶框,具有边框,所述边框上设有安装孔,所述胶框置于所述导光板之上; 磁性体, 设于所述安装孔内; 至少一光学膜片, 置于所述边框上且具有凸耳, 所述凸耳上设有定位孔; 被吸附体, 其包括压合部及定位柱, 所述定位柱连接于所述压合部的下表 面, 所述定位柱通过所述定位孔伸入所述安装孔内与所述磁性体的吸附孔吸附 连结, 进而使所述压合部压固所述光学膜片于所述边框之上。
14、 根据权利要求 13所述的液晶显示器, 其中, 所述定位柱与所述压合 部一体成型。
15、 根据权利要求 13所述的液晶显示器, 其中, 所述定位柱及所述压合 部的材质为磁性金属材料。
16、 根据权利要求 13所述的液晶显示器, 其中, 所述压合部的上表面设 有缓冲层, 所述缓冲层的材质为硅胶。
17、 根据权利要求 13所述的液晶显示器, 其中, 所述磁性体通过粘结剂 与所述安装孔的底表面粘结, 所述粘结剂为亚克力胶。
18、 根据权利要求 13所述的液晶显示器, 其中, 所述磁性体为磁铁。
PCT/CN2013/070339 2013-01-06 2013-01-10 光学膜片与胶框的定位结构、背光模组及液晶显示器 Ceased WO2014106355A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/811,924 US8832979B2 (en) 2013-01-06 2013-01-10 Positioning structure for positioning optical film and frame and related backlight module and liquid crystal display

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310003616.X 2013-01-06
CN201310003616.XA CN103047588B (zh) 2013-01-06 2013-01-06 背光模组及其液晶显示器

Publications (1)

Publication Number Publication Date
WO2014106355A1 true WO2014106355A1 (zh) 2014-07-10

Family

ID=48060341

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/070339 Ceased WO2014106355A1 (zh) 2013-01-06 2013-01-10 光学膜片与胶框的定位结构、背光模组及液晶显示器

Country Status (2)

Country Link
CN (1) CN103047588B (zh)
WO (1) WO2014106355A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105676525B (zh) * 2016-01-27 2019-05-10 京东方科技集团股份有限公司 一种支撑结构、背光模组及预防顶白现象的方法
CN107490888B (zh) * 2017-09-14 2020-09-04 海信视像科技股份有限公司 一种显示装置
CN108919530B (zh) * 2018-05-25 2022-03-11 Tcl王牌电器(惠州)有限公司 磁保压装置及磁保压设备
CN108732821B (zh) * 2018-06-07 2021-07-16 惠州市华星光电技术有限公司 液晶显示器及其背光模组
CN110007517A (zh) * 2019-04-09 2019-07-12 青岛海信电器股份有限公司 一种液晶显示装置
CN110570766B (zh) * 2019-09-06 2021-12-10 厦门天马微电子有限公司 一种背光模组及显示装置
TWI844954B (zh) * 2022-08-12 2024-06-11 瑞儀光電股份有限公司 背光模組與包含背光模組的顯示裝置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7142266B2 (en) * 2000-03-03 2006-11-28 Hitachi, Ltd. Liquid crystal display device
JP2008090196A (ja) * 2006-10-05 2008-04-17 Hitachi Ltd プリズムユニット及びこれを用いた投射型表示装置
CN101546057A (zh) * 2008-03-28 2009-09-30 北京京东方光电科技有限公司 框架和液晶显示装置
CN201322832Y (zh) * 2008-11-14 2009-10-07 中华映管股份有限公司 液晶显示模块
CN101761834A (zh) * 2010-01-18 2010-06-30 友达光电(苏州)有限公司 背光模组及显示装置
CN201724152U (zh) * 2010-02-11 2011-01-26 辅祥实业股份有限公司 光学膜片与胶框的组装结构

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100964562B1 (ko) * 2003-10-20 2010-06-21 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 표시장치
CN1844990A (zh) * 2006-05-15 2006-10-11 友达光电股份有限公司 背光模块及平面显示器
US8205369B2 (en) * 2007-01-12 2012-06-26 Kirk Pemberton Signage apparatus having simple magnet-based structure for ease of modification
CN201247354Y (zh) * 2008-08-13 2009-05-27 胜华科技股份有限公司 液晶显示装置
CN102043262B (zh) * 2009-10-09 2013-01-09 汉王科技股份有限公司 电磁式手写液晶显示器
CN202256963U (zh) * 2011-09-15 2012-05-30 北京京东方光电科技有限公司 一种自发光的液晶显示装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7142266B2 (en) * 2000-03-03 2006-11-28 Hitachi, Ltd. Liquid crystal display device
JP2008090196A (ja) * 2006-10-05 2008-04-17 Hitachi Ltd プリズムユニット及びこれを用いた投射型表示装置
CN101546057A (zh) * 2008-03-28 2009-09-30 北京京东方光电科技有限公司 框架和液晶显示装置
CN201322832Y (zh) * 2008-11-14 2009-10-07 中华映管股份有限公司 液晶显示模块
CN101761834A (zh) * 2010-01-18 2010-06-30 友达光电(苏州)有限公司 背光模组及显示装置
CN201724152U (zh) * 2010-02-11 2011-01-26 辅祥实业股份有限公司 光学膜片与胶框的组装结构

Also Published As

Publication number Publication date
CN103047588A (zh) 2013-04-17
CN103047588B (zh) 2015-09-02

Similar Documents

Publication Publication Date Title
WO2014106355A1 (zh) 光学膜片与胶框的定位结构、背光模组及液晶显示器
TWI878065B (zh) 顯示設備
JP5222229B2 (ja) 表示装置
WO2023179526A1 (zh) 显示设备
CN206618929U (zh) 一种背光模组、显示模组及显示装置
US20160327718A1 (en) Backlight module for liquid crystal display
US8832979B2 (en) Positioning structure for positioning optical film and frame and related backlight module and liquid crystal display
KR20150016874A (ko) 디스플레이 장치
CN210109507U (zh) 显示模组及显示装置
US20190086606A1 (en) Light guide plate, backlight module assembly and liquid crystal display device
JP2012137672A (ja) 電子機器
TW201516530A (zh) 電子裝置、電子裝置蓋板的組裝方法及黏接結構
US20170261678A1 (en) Backlight module and liquid crystal display
CN103047620B (zh) 导光板与背框的定位结构及其液晶显示器
CN105652523A (zh) 显示组件及其制备方法和显示装置
CN104197242A (zh) 背光模组及显示装置
TWI642978B (zh) 背光模組及顯示裝置
CN203744035U (zh) 背光模组和显示装置
CN202884700U (zh) 超薄双面背光单元及其液晶显示模组
CN203375279U (zh) 定位组件、背光模组及显示装置
CN204515304U (zh) 液晶显示设备的超薄边框模组
TW200536461A (en) Structure for fixing printed circuit board and method of fixing thereof
WO2015070575A1 (zh) 一种液晶模组及显示设备
CN107680482A (zh) 显示组件及电子设备
WO2019085762A1 (zh) 背光模组及显示装置

Legal Events

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

Ref document number: 13811924

Country of ref document: US

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

Ref document number: 13870291

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: 13870291

Country of ref document: EP

Kind code of ref document: A1