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CN115812167A - 背光模组及显示装置 - Google Patents

背光模组及显示装置 Download PDF

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Publication number
CN115812167A
CN115812167A CN202180006828.6A CN202180006828A CN115812167A CN 115812167 A CN115812167 A CN 115812167A CN 202180006828 A CN202180006828 A CN 202180006828A CN 115812167 A CN115812167 A CN 115812167A
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CN
China
Prior art keywords
light
light incident
backlight module
optical film
display device
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.)
Granted
Application number
CN202180006828.6A
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English (en)
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CN115812167B (zh
Inventor
陈蔚轩
戴忠勇
蔡文豪
吴俊毅
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.)
Radiant Guangzhou Opto Electronics Co Ltd
Radiant Opto Electronics Corp
Original Assignee
Radiant Guangzhou Opto Electronics Co Ltd
Radiant Opto Electronics Corp
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.)
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Publication date
Application filed by Radiant Guangzhou Opto Electronics Co Ltd, Radiant Opto Electronics Corp filed Critical Radiant Guangzhou Opto Electronics Co Ltd
Publication of CN115812167A publication Critical patent/CN115812167A/zh
Application granted granted Critical
Publication of CN115812167B publication Critical patent/CN115812167B/zh
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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
    • G02B6/0033—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
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement 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
    • G02B6/0033—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
    • G02B6/0051—Diffusing sheet or layer
    • 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
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

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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)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
  • Push-Button Switches (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种背光模组及包含背光模组的显示装置，背光模组包含至少一个光学膜片(2)及背光单元(3)。光学膜片(2)具有入光侧(21)及与入光侧(21)相对的出光侧(22)，入光侧(21)上形成有多个入光微结构(24)，入光微结构(24)是锥状结构。背光单元(3)设置于光学膜片(2)的入光侧(21)，并包括光源(31)。通过光学膜片(2)的入光微结构(24)的结构设计，能使光源(31)的光场更为展开，以达成特定角度出光的目的。

Description

PCT国内申请，说明书已公开。

Claims (11)

  1. PCT国内申请，权利要求书已公开。
CN202180006828.6A 2021-07-14 2021-07-14 背光模组及显示装置 Active CN115812167B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/106224 WO2023283822A1 (zh) 2021-07-14 2021-07-14 背光模组及显示装置

Publications (2)

Publication Number Publication Date
CN115812167A true CN115812167A (zh) 2023-03-17
CN115812167B CN115812167B (zh) 2024-12-20

Family

ID=84891691

Family Applications (1)

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CN202180006828.6A Active CN115812167B (zh) 2021-07-14 2021-07-14 背光模组及显示装置

Country Status (4)

Country Link
US (2) US11789192B2 (zh)
CN (1) CN115812167B (zh)
TW (1) TWI778715B (zh)
WO (1) WO2023283822A1 (zh)

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US11933999B2 (en) * 2021-12-27 2024-03-19 Coretronic Corporation Optical structure film and light source module
WO2025081590A1 (zh) * 2023-10-16 2025-04-24 瑞仪光电(苏州)有限公司 光学膜片、背光模组及显示装置

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* Cited by examiner, † Cited by third party
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CN1989431A (zh) * 2004-07-23 2007-06-27 日立化成工业株式会社 衍射型聚光膜以及使用此聚光膜的面光源装置
US20090161213A1 (en) * 2007-12-25 2009-06-25 Industrial Technology Research Institute Color separation and polarization device
US20090316274A1 (en) * 2008-06-24 2009-12-24 Industrial Technology Research Institute Composite optical dividing device
US20100033957A1 (en) * 2008-08-06 2010-02-11 Po-Iem Lin Backlight Module
CN102007434A (zh) * 2008-04-17 2011-04-06 住友电气工业株式会社 光分布控制面板、用于在可移动单元上安装的显示装置、光分布控制薄板、光学构件、照明装置和显示装置
TW201120525A (en) * 2009-12-15 2011-06-16 Ind Tech Res Inst Planar light source module and optical film
JP2012252264A (ja) * 2011-06-06 2012-12-20 Hitachi Chem Co Ltd 光学フィルム及び面光源装置
CN102879942A (zh) * 2012-06-26 2013-01-16 友达光电股份有限公司 显示装置及组合成的显示系统
CN106773320A (zh) * 2016-11-04 2017-05-31 友达光电股份有限公司 背光模块、光学增强单元及光学增强单元的制造方法
CN211955885U (zh) * 2020-04-28 2020-11-17 瑞仪光电股份有限公司 光学膜片、背光模组及显示装置
CN112014918A (zh) * 2019-05-29 2020-12-01 台湾扬昕股份有限公司 背光模块
CN112526785A (zh) * 2019-09-19 2021-03-19 旸旭光电股份有限公司 光学膜片与背光模块
CN215867452U (zh) * 2021-07-14 2022-02-18 瑞仪光电股份有限公司 背光模组及显示装置

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Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1989431A (zh) * 2004-07-23 2007-06-27 日立化成工业株式会社 衍射型聚光膜以及使用此聚光膜的面光源装置
US20090161213A1 (en) * 2007-12-25 2009-06-25 Industrial Technology Research Institute Color separation and polarization device
CN102007434A (zh) * 2008-04-17 2011-04-06 住友电气工业株式会社 光分布控制面板、用于在可移动单元上安装的显示装置、光分布控制薄板、光学构件、照明装置和显示装置
US20090316274A1 (en) * 2008-06-24 2009-12-24 Industrial Technology Research Institute Composite optical dividing device
US20100033957A1 (en) * 2008-08-06 2010-02-11 Po-Iem Lin Backlight Module
TW201120525A (en) * 2009-12-15 2011-06-16 Ind Tech Res Inst Planar light source module and optical film
JP2012252264A (ja) * 2011-06-06 2012-12-20 Hitachi Chem Co Ltd 光学フィルム及び面光源装置
CN102879942A (zh) * 2012-06-26 2013-01-16 友达光电股份有限公司 显示装置及组合成的显示系统
CN106773320A (zh) * 2016-11-04 2017-05-31 友达光电股份有限公司 背光模块、光学增强单元及光学增强单元的制造方法
CN112014918A (zh) * 2019-05-29 2020-12-01 台湾扬昕股份有限公司 背光模块
CN112526785A (zh) * 2019-09-19 2021-03-19 旸旭光电股份有限公司 光学膜片与背光模块
CN211955885U (zh) * 2020-04-28 2020-11-17 瑞仪光电股份有限公司 光学膜片、背光模组及显示装置
CN215867452U (zh) * 2021-07-14 2022-02-18 瑞仪光电股份有限公司 背光模组及显示装置

Also Published As

Publication number Publication date
TW202303238A (zh) 2023-01-16
US20240004123A1 (en) 2024-01-04
US20230013893A1 (en) 2023-01-19
US12332472B2 (en) 2025-06-17
WO2023283822A1 (zh) 2023-01-19
CN115812167B (zh) 2024-12-20
TWI778715B (zh) 2022-09-21
US11789192B2 (en) 2023-10-17

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