WO2016101363A1 - 一种背光模组结构 - Google Patents

一种背光模组结构 Download PDF

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Publication number
WO2016101363A1
WO2016101363A1 PCT/CN2015/070639 CN2015070639W WO2016101363A1 WO 2016101363 A1 WO2016101363 A1 WO 2016101363A1 CN 2015070639 W CN2015070639 W CN 2015070639W WO 2016101363 A1 WO2016101363 A1 WO 2016101363A1
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WO
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Prior art keywords
guide plate
light guide
backlight module
display panel
module structure
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PCT/CN2015/070639
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English (en)
French (fr)
Inventor
张彦学
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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 KR1020177016551A priority Critical patent/KR102025999B1/ko
Priority to GB1707719.9A priority patent/GB2547832B8/en
Priority to RU2017125471A priority patent/RU2665047C1/ru
Priority to US14/422,356 priority patent/US20160341879A1/en
Priority to JP2017533458A priority patent/JP6460585B2/ja
Publication of WO2016101363A1 publication Critical patent/WO2016101363A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means 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
    • G02B6/0055—Reflecting element, sheet or layer
    • 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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • 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
    • G02F1/133308—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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133314—Back frames
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means 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
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/28—Adhesive materials or arrangements

Definitions

  • the present invention relates to the field of display technologies, and in particular to a backlight module.
  • the frame design is narrower and narrower, and the thickness is smaller and smaller; however, the rigidity of the narrow frame and the ultra-thin backlight module is difficult to ensure, which may cause problems such as looseness and breakage of the device.
  • the quality of the product is difficult to guarantee.
  • the present invention provides a backlight module structure, including a display panel, an optical film, a light guide plate, and a reflection sheet stacked on top and bottom, and a light shielding glue disposed on a bottom side of the display panel;
  • the side of the light guide plate extends upward through the optical film and is connected to the display panel through the light shielding glue; the bottom of the light guide plate is provided with a groove for assembling the reflective sheet;
  • an iron frame provided with a first end portion and a second end portion, the first end portion being coupled to the display panel by the light shielding glue; the second end portion extending into the light guide plate.
  • a bent portion is further included between the first end portion and the second end portion of the iron frame, such that the iron frame has an L-shaped or hook-shaped cross section.
  • the material of the light guide plate is methyl methacrylate.
  • the reflective sheet is bonded or fastened in the groove.
  • the backlight module structure provided by the invention integrates the iron frame and the light guide plate into one body, omitting the structure of the plastic frame and the bottom iron frame of the side part of the backlight module, and installing the reflective film by slotting the bottom of the light guide plate.
  • the structure of the backlight module is made narrower and thinner. At the same time, through the improvement of the iron frame structure, the structural strength of the product is stable, the product quality is guaranteed, and the competitiveness of the product is greatly improved.
  • FIG. 1 is a schematic structural diagram of a backlight module according to an embodiment of the present invention.
  • the invention provides an improved backlight module structure, which can realize a narrow frame and an ultra-thin design while ensuring the structural strength of the product.
  • the backlight module structure of the present invention includes a display panel 10 stacked on top of each other, an optical film 20, a light guide plate 30 and a reflection sheet 40, and a light shielding glue 50 and iron disposed on the bottom side of the display panel. Box 60.
  • the optical film is formed by laminating three transparent films.
  • the side portion 32 of the light guide plate 30 extends upward through the sidewall of the optical film 20 and is connected to the display panel 10 through the light shielding adhesive 50.
  • the bottom of the light guide plate 30 is provided for assembling the reflective sheet 40.
  • the reflection sheet 40 is bonded to the groove 31 by an adhesive.
  • the recess may be designed to be mated with the reflective sheet to engage the reflective sheet in the recess.
  • the iron frame 60 is provided with a first end portion 61 and a second end portion 62.
  • the first end portion 61 is connected to the display panel 10 through the light shielding glue 50; the second end portion 62 extends into the office In the light guide plate 30, the iron frame 60 and the light guide plate 30 are integrated.
  • the iron frame 60 of the embodiment further includes a bent portion 63 between the first end portion 61 and the second end portion 62, so that the iron frame 60 has a cross section. L type or hook type.
  • the material used for the light guide plate can be, for example, methyl methacrylate (PMMA, an optical acrylic material).
  • PMMA methyl methacrylate
  • the structure of the iron frame 60 is first prepared, and then the iron frame is inserted into the PMMA material and molded. The process of molding and molding, so that the PMMA material and the iron frame are solidified together.
  • the iron frame may have other structures as long as the technical solution for stably combining the iron frame and the light guide plate falls within the protection scope of the present invention.

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

Abstract

涉及显示器技术领域，尤其是一种背光模组结构，包括上下层叠的显示面板（10）、光学膜片（20）、导光板（30）和反射片（40），以及设置于所述显示面板（10）底侧的遮光胶（50），所述导光板（30）侧部经过所述光学膜片（20）往上延伸并通过所述遮光胶（50）与所述显示面板（10）连接；所述导光板（30）底部设有用于装配所述反射片（40）的凹槽（31）；还包括设有第一端部（61）和第二端部（62）的铁框（60），所述第一端部（61）通过所述遮光胶（50）与所述显示面板（10）连接；所述第二端部（62）伸入所述导光板（30）中。提供的背光模组结构，将铁框（60）与导光板（30）融合为一体的方案，省略了背光模组中侧部的胶框、底部铁框的结构，以及通过导光板（30）底部开槽来安装反射膜（40），使得背光模组的结构更窄、更薄。

Description

一种背光模组结构 技术领域
本发明涉及显示器技术领域，尤其是指一种背光模组。
背景技术
现有的背光模组产品，其边框设计越来越窄，厚度越来越小；但是这种窄边框及超薄的背光模组其结构强度难以保证，容易导致器件的松动、破损等问题，使产品的质量难以保证。
发明内容
为克服现有技术的不足，本发明提供一种背光模组结构，包括上下层叠的显示面板、光学膜片、导光板和反射片，以及设置于所述显示面板底侧的遮光胶；
所述导光板侧部经过所述光学膜片往上延伸并通过所述遮光胶与所述显示面板连接；所述导光板底部设有用于装配所述反射片的凹槽；
还包括设有第一端部和第二端部的铁框，所述第一端部通过所述遮光胶与所述显示面板连接；所述第二端部伸入所述导光板中。
优选地，所述铁框的第一端部和第二端部之间还包括一弯折部，使得所述铁框截面呈L型或钩型。
优选地，所述导光板的材质为甲基丙烯酸甲脂。
优选地，所述反射片粘接或扣接于所述凹槽中。
有益效果：
本发明提供的背光模组结构，将铁框与导光板融合为一体的方案，省略了背光模组中侧部的胶框、底部铁框的结构，以及通过导光板底部开槽来安装反射膜，使得背光模组的结构更窄、更薄。同时，通过铁框结构的改进，使得产品的结构强度稳定，产品质量得以保证，大大提升产品的竞争力。
附图说明
图1为本发明实施例的背光模组结构示意图。
具体实施方式
本发明提供一种改进的背光模组结构，能实现窄边框、超薄设计的同时，又能确保产品的结构强度。
本发明的背光模组结构，如图1所示，包括上下层叠的显示面板10、光学膜片20、导光板30和反射片40，以及设置于所述显示面板底侧的遮光胶50和铁框60。其中，所述光学膜片由三片透光膜层叠而成。
其中，导光板30侧部32经过所述光学膜片20侧壁往上延伸并通过所述遮光胶50与所述显示面板10连接；所述导光板30底部设有用于装配所述反射片40的凹槽31。在本实施例中，所述反射片40是通过粘胶粘接于所述凹槽31中的。当然，在其他实施例中还可以将凹槽设计为与反射片过渡配合，使反射片扣接于所述凹槽当中。
所述铁框60设有第一端部61和第二端部62，所述第一端部61通过所述遮光胶50与所述显示面板10连接；所述第二端部62伸入所述导光板30中，使得铁框60与导光板30融为一体。
优选地，为了使得铁框与导光板稳定连接，本实施例的铁框60其第一端部61和第二端部62之间还包括一弯折部63，使得所述铁框60截面呈L型或钩型。制作时，导光板采用的材质可例如为甲基丙烯酸甲脂(简称PMMA，一种光学亚克力材质)，先将铁框60的结构先制作好，然后将铁框***至PMMA材质中，经过注塑、倒模等工艺，使PMMA材料与铁框固化在一起形成。
当然，在其他实施例中，铁框还可以有其他结构，只要是使铁框与导光板稳定的结合的技术方案均应落入本发明的保护范围中。

Claims (4)

  1. 一种背光模组结构，包括上下层叠的显示面板、光学膜片、导光板和反射片，以及设置于所述显示面板底侧的遮光胶，其中，
    所述导光板侧部经过所述光学膜片往上延伸并通过所述遮光胶与所述显示面板连接；所述导光板底部设有用于装配所述反射片的凹槽；
    还包括设有第一端部和第二端部的铁框，所述第一端部通过所述遮光胶与所述显示面板连接；所述第二端部伸入所述导光板中。
  2. 根据权利要求1所述的背光模组结构，其中，所述铁框的第一端部和第二端部之间还包括一弯折部，使得所述铁框截面呈L型或钩型。
  3. 根据权利要求1所述的背光模组结构，其中，所述导光板的材质为甲基丙烯酸甲脂。
  4. 根据权利要求1所述的背光模组结构，其中，所述反射片粘接或扣接于所述凹槽中。
PCT/CN2015/070639 2014-12-26 2015-01-13 一种背光模组结构 WO2016101363A1 (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020177016551A KR102025999B1 (ko) 2014-12-26 2015-01-13 백라이트 모듈 구조
GB1707719.9A GB2547832B8 (en) 2014-12-26 2015-01-13 Backlight module structures
RU2017125471A RU2665047C1 (ru) 2014-12-26 2015-01-13 Конструкция модуля подсветки
US14/422,356 US20160341879A1 (en) 2014-12-26 2015-01-13 Backlight module structures
JP2017533458A JP6460585B2 (ja) 2014-12-26 2015-01-13 表示装置

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CN201410837533.5 2014-12-26
CN201410837533.5A CN104501047B (zh) 2014-12-26 2014-12-26 一种背光模组结构

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CN108303827A (zh) * 2018-03-05 2018-07-20 惠州市华星光电技术有限公司 一种背光模组及显示装置
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US20160341879A1 (en) 2016-11-24
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