WO2016101370A1 - 背光模组及显示器 - Google Patents

背光模组及显示器 Download PDF

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Publication number
WO2016101370A1
WO2016101370A1 PCT/CN2015/070884 CN2015070884W WO2016101370A1 WO 2016101370 A1 WO2016101370 A1 WO 2016101370A1 CN 2015070884 W CN2015070884 W CN 2015070884W WO 2016101370 A1 WO2016101370 A1 WO 2016101370A1
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WO
WIPO (PCT)
Prior art keywords
heat dissipation
edge
light source
plastic frame
light
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/CN2015/070884
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English (en)
French (fr)
Inventor
周革革
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 US14/431,000 priority Critical patent/US9594208B2/en
Publication of WO2016101370A1 publication Critical patent/WO2016101370A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G02B6/0085Means for removing heat created by the light source from the package
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/12Combinations of only three kinds of elements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/005Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of 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
    • G02F1/133528Polarisers
    • 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
    • G02F1/133602Direct backlight
    • 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
    • G02B6/0073Light emitting diode [LED]
    • 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
    • G02F1/133302Rigid substrates, e.g. inorganic substrates
    • 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
    • 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
    • G02F1/133628Illuminating devices with cooling means

Definitions

  • the present invention relates to the field of liquid crystal display technology, and in particular, to a backlight module and a display.
  • a liquid crystal display device has been widely used as a display component of an electronic device in various electronic products.
  • the frame of the electronic device is designed to be narrower and narrower.
  • the backlight module is an important component in the liquid crystal display device, and the brightness requirement is also higher and higher, and the light-in efficiency of the light bar is bound to be higher and higher.
  • the technical problem to be solved by the present invention is to provide a backlight module, so that the heat of the backlight module and the electronic components of the display can be dissipated in time.
  • the invention also provides a display.
  • the invention provides a backlight module, which comprises a plastic frame, a light guide plate, a light source and an optical film.
  • the light guide plate, the light bar light source and the optical film are disposed in the plastic frame, and the light source is located in the
  • the optical film is disposed on the light-emitting side of the light guide plate, and the optical film is stacked on the light guide plate.
  • the backlight module further includes a heat dissipation frame, and the heat dissipation frame includes a first heat dissipation edge and a second heat dissipation edge.
  • a third heat dissipating edge disposed opposite to the first heat dissipating edge, wherein the second heat dissipating edge is connected to the first heat dissipating edge and the second heat dissipating edge, and the plastic frame is mounted on the end of the lamp source Between the first heat dissipation edge and the third heat dissipation edge, and The plastic frame is in close contact with the inner side of the second heat dissipation edge.
  • the light source includes a light source circuit board, and the light source circuit board and the plastic frame are fixed by double-sided tape.
  • the first heat dissipation edge is fixed between the plastic frame and the light source circuit board by double-sided tape, and the double-sided tape extends to an edge of the surface of the optical film.
  • the third heat dissipation edge is located at an end of the light source away from the first heat dissipation edge, and supports the plastic frame and the light incident side of the light guide plate.
  • a light reflecting sheet is disposed between the light guide plate and the third heat dissipation edge.
  • the double-sided tape is made of a heat conductive material.
  • the present invention also provides a display, the display includes a backlight module and a liquid crystal panel, the backlight module includes a plastic frame, a light guide plate, a light source and an optical film, the light guide plate, the light bar light source and the optical film
  • the light source is disposed between the light-incident side of the light guide plate and the plastic frame
  • the optical film is stacked with the light guide plate
  • the backlight module further includes a heat dissipation frame.
  • the heat dissipation frame includes a first heat dissipation edge, a second heat dissipation edge, and a third heat dissipation edge disposed opposite to the first heat dissipation edge, and the second heat dissipation edge connects the first heat dissipation edge and the second heat dissipation edge.
  • One end of the plastic frame with the light source is disposed between the first heat dissipation edge and the third heat dissipation edge, and the plastic frame is in close contact with the inner side of the second heat dissipation edge; the liquid crystal panel is disposed at the
  • the backlight module is mounted on the liquid crystal panel and the first heat dissipation edge and the optical film.
  • the light source and the plastic frame are positioned by a light source circuit board, and the first heat dissipation edge is fixed between the plastic frame and the light source circuit board by double-sided tape, and the double-sided tape is extended. Onto the optical film.
  • the liquid crystal panel includes a lower polarizer, a first layer of glass, a second layer of glass, and an upper polarizer, and the lower polarizer, the first layer of glass, the second layer of glass, and the upper polarizer are sequentially stacked, and The first layer of glass is positioned above the lower polarizer, and the lower polarizer is fixed to the optical film by the double-sided tape extending onto the optical film.
  • the display further includes a flexible board and a chip, the first layer of glass includes an extension, the flexible board and the chip are mounted on the extension, and the extension is mounted on the heat dissipation frame.
  • the first heat dissipation side The first heat dissipation side.
  • the light source comprises a light source circuit board, and the light source circuit board and the plastic frame pass the double-sided adhesive fixed.
  • the first heat dissipation edge is fixed between the plastic frame and the light source circuit board by double-sided tape, and the double-sided tape extends to an edge of the surface of the optical film.
  • the third heat dissipation edge is located at an end of the light source away from the first heat dissipation edge, and supports the plastic frame and the light incident side of the light guide plate.
  • a light reflecting sheet is disposed between the light guide plate and the third heat dissipation edge.
  • the double-sided tape is made of a heat conductive material.
  • the flexible circuit board and the chip of the display of the present invention are disposed on the heat dissipation frame of the backlight module, and the excess heat is guided away between the electronic components such as the flexible circuit board and the chip and the light source to reduce the electronic components and the lamp.
  • the working temperature of the source prevents the brightness of the backlight module and the efficiency of the electronic components from being affected by excessive temperature.
  • FIG. 1 is a schematic cross-sectional view of a backlight module in a preferred embodiment of the present invention.
  • FIG. 2 is a schematic cross-sectional view of a display having a backlight module of the present invention.
  • a preferred embodiment of the present invention provides a backlight module 10 including a plastic frame 11 , a light guide plate 13 , a light source 15 , and an optical film 17 .
  • the light guide plate 13 , the light source 15 , and the optical film 17 are disposed in the plastic frame 11 .
  • the light source 15 is located between the light incident side of the light guide plate 13 and the plastic frame 11 .
  • 17 is laminated with the light guide plate 13.
  • the backlight module further includes a heat dissipation frame 18 , and the heat dissipation frame 18 includes a first heat dissipation edge 181 , a second heat dissipation edge 182 , and a third heat dissipation edge 183 disposed opposite to the first heat dissipation edge 181 .
  • the second heat dissipation edge 182 is connected to the first heat dissipation edge 181 and the second heat dissipation edge 182, and the plastic frame 11 is mounted with one end of the light source 15
  • the first heat dissipation edge 181 and the third heat dissipation edge 183 are in contact with each other, and the plastic frame 11 and the second heat dissipation edge 182 are in close contact with each other.
  • the plastic frame 11 is a rectangular frame.
  • the light guide plate 13 is a rectangular plate body including a light incident side 131.
  • the light source 15 includes a backlight surface 151, a light emitting surface 152 opposite to the backlight surface, and a light source wiring board 16.
  • the light guide plate 13 is a rectangular plate body. The light guide plate 13 and the light source 15 are received in the plastic frame 11 , and the light emitting surface 152 faces the light incident side 131 of the light guide plate 13 .
  • the plastic frame 11 and the light source circuit board 16 of the light source 15 are positioned by double-sided tape.
  • the light source circuit board 16 is fixed to the inner side of the plastic frame 11 and the edge of the light guide plate 13 by the double-sided tape, and the light source 15 is positioned on the plastic frame 11.
  • the first heat dissipation edge 181 is fixed between the plastic frame 11 and the light source circuit board 16 by the double-sided tape 14 , and the double-sided tape 14 extends to the surface edge of the optical film 17 .
  • the double-sided tape 14 is made of a heat conductive material to facilitate heat transfer of the heat dissipation frame 18 and prevent the double-sided tape 14 from being opened.
  • the optical film 17 may be in a plurality of types of stacked arrangements such as a diffusion sheet, a prism sheet, a polarizer, and the like.
  • the portion of the double-sided tape 14 that is extended is attached to the edge of the surface of the optical film 17 away from the light guide plate 13, thereby fixing the optical film 17 to the plastic frame 11.
  • the third heat dissipation edge 183 is located at one end of the light source 15 away from the first heat dissipation edge 181, and supports the plastic frame 11 and the light incident side of the light guide plate 13 .
  • a light reflecting sheet 19 is further disposed between the light guide plate 13 and the third heat dissipation edge 183.
  • the backlight module 10 of the present invention is provided with a heat dissipation frame 18 disposed around the light source 15 to reduce heat generated by the light source 15 and to avoid affecting the quality of the backlight module 10 due to excessive temperature.
  • the present invention further provides a display including a backlight module 10 and a liquid crystal panel 20 , wherein the liquid crystal panel 20 is fixed to the first heat dissipation edge 181 and the optical film 17 .
  • the liquid crystal panel 20 includes a lower polarizer 21, a first layer of glass 22, a second layer of glass 23, and an upper polarizer 24.
  • the lower polarizer 21, the first layer of glass 22, and the second layer of glass 23 and the upper polarizer 24 are sequentially stacked, and the first layer of glass 22 is located above the lower polarizer 21, and the lower polarizer 21 and the optical film 17 are extended to the optical film 17 by the The double-sided tape 14 on the top is fixed.
  • the display further includes a flexible board 25 and a chip 26, the first layer of glass 22 includes an extension 221, and the flexible board 25 and the chip 26 are mounted on the extension 221, Extend The segment 221 is mounted on the first heat dissipation edge 181 of the heat dissipation frame 18 .
  • the flexible circuit board 25 and the chip 26 of the display of the present invention are disposed on the heat dissipation frame of the backlight module 10.
  • the heat dissipation frame 18 surrounds the heat generating component such as the light source and the electronic component, and the flexible circuit board 25 and the chip 26 can be effectively disposed.
  • the excess heat is transferred away between the electronic component and the light source in time to reduce the operating temperature of the electronic component and the light source, thereby avoiding the brightness of the backlight module and the efficiency of the electronic component due to excessive temperature.

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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)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Microelectronics & Electronic Packaging (AREA)

Abstract

一种背光模组(10),其包括胶框(11)、导光板(13)、灯源(15)及光学膜片(17),所述导光板(13)、灯条光源(15)及光学膜片(17)设置于所述胶框(11)内,所述光源(15)位于所述导光板(13)入光侧与所述胶框(11)之间,所述光学膜片(17)与所述导光板(13)层叠设置,所述背光模组(10)还包括散热框(18),所述散热框(18)包括第一散热边(181)、第二散热边(182)及与所述第一散热边(181)相对设置的第三散热边(183),所述第二散热边(182)连接所述第一散热边(181)与第二散热边(182),所述胶框(11)装有所述灯源(15)的一端装于所述第一散热边(181)与第三散热边(183)之间,并且所述胶框(11)与所述第二散热边(182)内侧贴紧。还公开了一种显示器。

Description

背光模组及显示器
本发明要求2014年12月24日递交的发明名称为“背光模组及显示器”的申请号201410817836.0的在先申请优先权,上述在先申请的内容以引入的方式并入本文本中。
技术领域
本发明涉及液晶显示技术领域,特别涉及一种背光模组及显示器。
背景技术
目前,液晶显示装置作为电子设备的显示部件已经广泛的应用于各种电子产品中,随着电子产品轻薄化的发展,电子设备的边框被设计得越来越窄。而背光模组则是液晶显示装置中的一个重要部件,亮度要求也越来越高,其灯条的入光效率势必要求越来越高。
然而,随着液晶模组的亮度越来越高,电子元件的工作效率越来越快,势必产生较大的热量,如果热量不能及时导走,将严重降低模组的亮度和电子元件的效率。
发明内容
本发明所要解决的技术问题在于提供一种背光模组,使得背光模组及显示器电子元件的热量可以及时散发。
本发明还提供一种显示器。
为了实现上述目的,本发明实施方式提供如下技术方案:
本发明提供一种背光模组,其包括胶框、导光板、灯源及光学膜片,所述导光板、灯条光源及光学膜片设置于所述胶框内,所述光源位于所述导光板入光侧与所述胶框之间,所述光学膜片与所述导光板层叠设置,所述背光模组还包括散热框,所述散热框包括第一散热边、第二散热边及与所述第一散热边相对设置的第三散热边,所述第二散热边连接所述第一散热边与第二散热边,所述胶框装有所述灯源的一端装于所述第一散热边与第三散热边之间,并且所述 胶框与所述第二散热边内侧贴紧。
其中,所述灯源包括灯源线路板,所述灯源线路板与所述胶框通过双面胶固定。
其中,所述第一散热边与所述胶框及灯源线路板之间通过双面胶固定,并且所述双面胶延伸至所述光学膜片表面的边缘。
其中,所述第三散热边位于所述灯源远离所述第一散热边的一端,并且支撑所述胶框及所述导光板的入光侧。
其中,所述导光板与所述第三散热边之间设有反光片。
其中,所述双面胶为导热材料制成。
本发明还提供一种显示器,所述显示器包括背光模组和液晶面板,所述背光模组包括胶框、导光板、灯源及光学膜片,所述导光板、灯条光源及光学膜片设置于所述胶框内,所述光源位于所述导光板入光侧与所述胶框之间,所述光学膜片与所述导光板层叠设置,所述背光模组还包括散热框,所述散热框包括第一散热边、第二散热边及与所述第一散热边相对设置的第三散热边,所述第二散热边连接所述第一散热边与第二散热边,所述胶框装有所述灯源的一端装于所述第一散热边与第三散热边之间,并且所述胶框与所述第二散热边内侧贴紧;所述液晶面板设于所述背光模组上,且所述液晶面板与所述第一散热边及光学膜片固定。
其中,所述灯源与所述胶框通过一灯源线路板定位,所述第一散热边与所述胶框及灯源线路板之间通过双面胶固定,并且所述双面胶延伸至所述光学膜片上。
其中,所述液晶面板包括下偏光片、第一层玻璃、第二层玻璃及上偏光片,所述下偏光片、第一层玻璃、第二层玻璃及上偏光片依次叠加设置,且所述第一层玻璃位于下偏光片之上,所述下偏光片与所述光学膜片通过所述延伸至所述光学膜片上的双面胶固定。
其中,所述显示器还包括软线板及芯片,所述第一层玻璃包括延伸段,所述软线板及芯片装于所述延伸段上,所述延伸段装设于所述散热框的第一散热边上。
其中,所述灯源包括灯源线路板,所述灯源线路板与所述胶框通过双面胶 固定。
其中,所述第一散热边与所述胶框及灯源线路板之间通过双面胶固定,并且所述双面胶延伸至所述光学膜片表面的边缘。
其中,所述第三散热边位于所述灯源远离所述第一散热边的一端,并且支撑所述胶框及所述导光板的入光侧。
其中,所述导光板与所述第三散热边之间设有反光片。
其中,所述双面胶为导热材料制成。
本发明的显示器的软线板及芯片设置于所述背光模组的散热框之上,在软线板及芯片等电子元件与灯源之间及时将多余的热量导走,降低电子元件与灯源的工作温度,避免因温度过高影响背光模组的亮度和电子元件的效率。
附图说明
为了更清楚地说明本发明的技术方案,下面将对实施方式中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施方式,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以如这些附图获得其他的附图。
图1是本发明较佳实施方式中的背光模组的截面示意图。
图2是本发明具有背光模组的显示器的截面示意图。
具体实施方式
下面将结合本发明实施方式中的附图,对本发明实施方式中的技术方案进行清楚、完整地描述。
请参阅图1,本发明的较佳实施例提供了一种背光模组10,其包括胶框11、导光板13、灯源15及光学膜片17。所述导光板13、灯源15及光学膜片17设置于所述胶框11内,所述光源15位于所述导光板13入光侧与所述胶框11之间,所述光学膜片17与所述导光板13层叠设置。所述背光模组还包括散热框18,所述散热框18包括第一散热边181、第二散热边182及与所述第一散热边181相对设置的第三散热边183。所述第二散热边182连接所述第一散热边181与第二散热边182,所述胶框11装有所述灯源15的一端装于所述 第一散热边181与第三散热边183之间,并且所述胶框11与所述第二散热边182贴紧。
本实施例中,所述胶框11为矩形框体。所述导光板13为矩形板体,其包括入光侧131。所述灯源15包括背光面151、与背光面相反的发光面152及灯源线路板16。所述导光板13为矩形板体。所述导光板13与所述灯源15收容于所述胶框11内,所述发光面152朝向所述导光板13的入光侧131。
本实施例中,所述胶框11与所述灯源15的灯源线路板16通过双面胶定位。具体为,所述灯源线路板16通过双面胶与所述胶框11内侧及导光板13边缘固定,进而将所述灯源15定位于所述胶框11上。
本实施例中,所述第一散热边181与所述胶框11及灯源线路板16之间通过双面胶14固定,并且所述双面胶14延伸至所述光学膜片17表面边缘。所述双面胶14为导热材料制成,便于所述散热框18的热量传递并且防止双面胶14开胶。所述光学膜片17可以为多种类型的层叠设置,例如扩散片、棱镜片、偏光片等。所述双面胶14延伸的部分贴于光学膜片17远离导光板13的表面边缘,进而固定所述光学膜片17于胶框11上。
本实施例中,所述第三散热边183位于所述灯源15远离所述第一散热边181的一端,并且支撑所述胶框11及所述导光板13的入光侧。所述导光板13与所述第三散热边183之间还设有反光片19。
本发明的背光模组10设有散热框18,围绕所述灯源15而设置,可以降低灯源15产生的热量,避免因温度过高影响背光模组10的品质。
请参阅图2,本发明还提供一种显示器,所述显示器包括背光模组10和液晶面板20,所述液晶面板20与所述第一散热边181及光学膜片17固定。
本实施例中,所述液晶面板20包括下偏光片21、第一层玻璃22、第二层玻璃23及上偏光片24,所述下偏光片21、第一层玻璃22、第二层玻璃23及上偏光片24依次叠加设置,且所述第一层玻璃22位于下偏光片21之上,所述下偏光片21与所述光学膜片17通过所述延伸至所述光学膜片17上的双面胶14固定。
本实施例中,所述显示器还包括软线板25及芯片26,所述第一层玻璃22包括延伸段221,所述软线板25及芯片26装于所述延伸段221上,所述延伸 段221装设于所述散热框18的第一散热边181上。
本发明的显示器的软线板25及芯片26设置于所述背光模组10的散热框之上,散热框18围绕灯源、电子元件等发热元件,可有效将软线板25及芯片26等电子元件与灯源之间及时将多余的热量导走,降低电子元件与灯源的工作温度,避免因温度过高影响背光模组的亮度和电子元件的效率。
以上所述是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也视为本发明的保护范围。

Claims (15)

  1. 一种背光模组,其包括胶框、导光板、灯源及光学膜片,所述导光板、灯条光源及光学膜片设置于所述胶框内,所述光源位于所述导光板入光侧与所述胶框之间,所述光学膜片与所述导光板层叠设置,其中,所述背光模组还包括散热框,所述散热框包括第一散热边、第二散热边及与所述第一散热边相对设置的第三散热边,所述第二散热边连接所述第一散热边与第二散热边,所述胶框装有所述灯源的一端装于所述第一散热边与第三散热边之间,并且所述胶框与所述第二散热边内侧贴紧。
  2. 如权利要求1所述的背光模组,其中,所述灯源包括灯源线路板,所述灯源线路板与所述胶框通过双面胶固定。
  3. 如权利要求2所述的背光模组,其中,所述第一散热边与所述胶框及灯源线路板之间通过双面胶固定,并且所述双面胶延伸至所述光学膜片表面的边缘。
  4. 如权利要求3所述的背光模组,其中,所述第三散热边位于所述灯源远离所述第一散热边的一端,并且支撑所述胶框及所述导光板的入光侧。
  5. 如权利要求4所述的背光模组,其中,所述导光板与所述第三散热边之间设有反光片。
  6. 如权利要求3所述的背光模组,其中,所述双面胶为导热材料制成。
  7. 一种显示器,所述显示器包括背光模组和液晶面板,所述背光模组包括胶框、导光板、灯源及光学膜片,所述导光板、灯条光源及光学膜片设置于所述胶框内,所述光源位于所述导光板入光侧与所述胶框之间,所述光学膜片与所述导光板层叠设置,其中,所述背光模组还包括散热框,所述散热框包括第一散热边、第二散热边及与所述第一散热边相对设置的第三散热边,所述第二散热边连接所述第一散热边与第二散热边,所述胶框装有所述灯源的一端装于所述第一散热边与第三散热边之间,并且所述胶框与所述第二散热边内侧贴紧;所述液晶面板设于所述背光模组上,且所述液晶面板与所述第一散热边及光学膜片固定。
  8. 如权利要求7所述的显示器,其中,所述灯源包括灯源线路板,所述灯 源线路板与所述胶框通过双面胶固定,灯源线路板所述第一散热边与所述胶框及灯源线路板灯源线路板之间通过双面胶固定,并且所述双面胶延伸至所述光学膜片上。
  9. 如权利要求8所述的显示器,其中,所述液晶面板包括下偏光片、第一层玻璃、第二层玻璃及上偏光片,所述下偏光片、第一层玻璃、第二层玻璃及上偏光片依次叠加设置,且所述第一层玻璃位于下偏光片之上,所述下偏光片与所述光学膜片通过所述延伸至所述光学膜片上的双面胶固定。
  10. 如权利要求9所述的显示器,其中,所述显示器还包括软线板及芯片,所述第一层玻璃包括延伸段,所述软线板及芯片装于所述延伸段上,所述延伸段装设于所述散热框的第一散热边上。
  11. 如权利要求9所述的显示器,其中,所述灯源包括灯源线路板,所述灯源线路板与所述胶框通过双面胶固定。
  12. 如权利要求11所述的显示器,其中,所述第一散热边与所述胶框及灯源线路板之间通过双面胶固定,并且所述双面胶延伸至所述光学膜片表面的边缘。
  13. 如权利要求12所述的显示器,其中,所述第三散热边位于所述灯源远离所述第一散热边的一端,并且支撑所述胶框及所述导光板的入光侧。
  14. 如权利要求13所述的显示器,其中,所述导光板与所述第三散热边之间设有反光片。
  15. 如权利要求14所述的显示器,其中,所述双面胶为导热材料制成。
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