WO2017071304A1 - 背光单元及显示装置 - Google Patents
背光单元及显示装置 Download PDFInfo
- Publication number
- WO2017071304A1 WO2017071304A1 PCT/CN2016/089894 CN2016089894W WO2017071304A1 WO 2017071304 A1 WO2017071304 A1 WO 2017071304A1 CN 2016089894 W CN2016089894 W CN 2016089894W WO 2017071304 A1 WO2017071304 A1 WO 2017071304A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- backlight unit
- plate
- unit according
- main body
- plate surface
- Prior art date
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- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- 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
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
Definitions
- bent portion and the main body portion are integrally formed.
- Another aspect of the present disclosure provides a display device including the backlight unit as described above.
- 4a-4c are schematic structural views of a backlight unit in one embodiment of the present disclosure.
- 4a is a cross-sectional view showing a portion of the backlight unit in a direction perpendicular to the AA direction of the back plate (refer to FIG. 1a) between the light incident portion and the light exit portion;
- FIG. 4b illustrates the backlight unit being placed along the AA direction of the back plate.
- FIG. 4c illustrates a cross-sectional view of the light-emitting portion of the backlight unit along the AA direction of the back plate.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Manufacturing & Machinery (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (18)
- 一种背光单元,包括背板和导光板;其中,所述背板包括主体部和与所述主体部连接的弯折部;所述主体部包括彼此相对的第一板面和第二板面,所述弯折部至少包括连接部和从所述连接部与所述第一板面相对延伸的安装部;所述连接部为沿所述主体部的第一侧的弯折结构,所述连接部的弯折方向为从所述主体部的所述第二板面指向所述第一板面的方向;所述导光板设置于所述主体部的所述第一板面上;所述安装部远离所述连接部的一侧与所述导光板的第一端面相对设置,且在所述安装部上设有光源。
- 根据权利要求1所述的背光单元,其中,所述安装部上设有光源的一侧包括第一锯齿结构;所述第一锯齿结构的槽的尺寸与所述光源的尺寸相匹配。
- 根据权利要求2所述的背光单元,其中,所述安装部包括与所述第一板面相背的贴合面;在所述安装部的包括所述第一锯齿结构的一侧设有多个光源,多个所述光源依次设置于灯条上;所述灯条贴附于所述安装部的所述贴合面上,且多个所述光源沿所述第一锯齿结构的各个槽依次排列。
- 根据权利要求2所述的背光单元,其中,所述连接部为沿所述主体部的所述第一侧与所述第一板面垂直的平板结构或弧面板结构,所述安装部为与所述第一板面平行的平板结构。
- 根据权利要求3所述的背光单元,其中,所述第一锯齿结构的槽的宽度D1满足3.2≤D1≤4.4。
- 根据权利要求5所述的背光单元,其中,所述安装部与所述第一板面平行,所述安装部的远离所述第一板面一侧与所述第一板面之间的距离H1满足0.4≤H1≤0.6。
- 根据权利要求6所述的背光单元,其中,所述第一锯齿结构的槽的深度K3满足0.8≤K3≤1.3。
- 根据权利要求1-7任意一项所述的背光单元,其中,所述安装部远离所述连接部的一侧到所述连接部的距离K2满足1.3≤K2≤2.0。
- 根据权利要求1-8任意一项所述的背光单元,其中,所述弯折部与 所述主体部为一体结构。
- 根据权利要求8所述的背光单元,其中,所述弯折部与所述主体部为一体结构。
- 根据权利要求1-10任意一项所述的背光单元,其中,所述导光板为楔形结构,所述导光板的所述第一端面的厚度大于所述导光板的所述第二端面的厚度,所述第一端面和所述第二端面位于导光板的两侧。
- 根据权利要求2-7任意一项所述的背光单元,其中,所述连接部、所述安装部与所述第一板面限定第一空间。
- 根据权利要求12所述的背光单元,还包括胶框;其中,所述胶框至少包括与所述第一空间相匹配的承载部;所述承载部包括第二锯齿结构,所述第二锯齿结构与所述第一锯齿结构的形状相匹配。
- 根据权利要求13所述的背光单元,其中,所述第二锯齿结构的槽的宽度D2与所述第一锯齿结构的槽的宽度D1满足D2≥D1。
- 根据权利要求14所述的背光单元,其中,所述第二锯齿结构的槽的深度K5与所述第一锯齿结构的槽的深度K3之间满足K5≤K3。
- 根据权利要求2-7任意一项所述的背光单元,其中,所述光源为发光二极管。
- 根据权利要求1-16任意一项所述的背光单元,其中,所述背板的材料为铝、铝合金、钢。
- 一种包括如权利要求1-17任意一项所述的背光单元的显示装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US15/504,182 US10393948B2 (en) | 2015-10-29 | 2016-07-13 | Backlight unit and display device |
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CN201510726872.0 | 2015-10-29 | ||
CN201510726872.0A CN105202424B (zh) | 2015-10-29 | 2015-10-29 | 背光单元及显示装置 |
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CN (1) | CN105202424B (zh) |
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CN105202424B (zh) * | 2015-10-29 | 2018-03-02 | 京东方光科技有限公司 | 背光单元及显示装置 |
CN109188765A (zh) * | 2018-10-30 | 2019-01-11 | 合肥京东方光电科技有限公司 | 导光膜及其制作方法、面光源、显示装置 |
CN114415420A (zh) * | 2022-01-18 | 2022-04-29 | 武汉华星光电技术有限公司 | 背光模组和液晶显示装置 |
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2015
- 2015-10-29 CN CN201510726872.0A patent/CN105202424B/zh active Active
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2016
- 2016-07-13 WO PCT/CN2016/089894 patent/WO2017071304A1/zh active Application Filing
- 2016-07-13 US US15/504,182 patent/US10393948B2/en active Active
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Publication number | Publication date |
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US20170276865A1 (en) | 2017-09-28 |
CN105202424B (zh) | 2018-03-02 |
US10393948B2 (en) | 2019-08-27 |
CN105202424A (zh) | 2015-12-30 |
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