CN115176197A - 光学膜片、背光模组及显示装置 - Google Patents

光学膜片、背光模组及显示装置 Download PDF

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Publication number
CN115176197A
CN115176197A CN202180000201.XA CN202180000201A CN115176197A CN 115176197 A CN115176197 A CN 115176197A CN 202180000201 A CN202180000201 A CN 202180000201A CN 115176197 A CN115176197 A CN 115176197A
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China
Prior art keywords
optical film
lug
light
guide plate
light guide
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CN202180000201.XA
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CN115176197B (zh
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许海峰
王凯文
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BOE Technology Group Co Ltd
Hefei Xinsheng Optoelectronics Technology Co Ltd
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BOE Technology Group Co Ltd
Hefei Xinsheng Optoelectronics Technology Co Ltd
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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
    • G02B6/0081—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
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • 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
    • 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
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • 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
    • 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
    • G02F1/133605—Direct backlight including specially adapted reflectors

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)

Abstract

本公开提供一种光学膜片、背光模组及显示装置，光学膜片包括膜片本体和至少两个凸耳，凸耳连接于膜片本体相对的两个侧边处，与膜片本体构成一体结构。背板上的槽口位置与光学膜片的凸耳的位置相对应，光学膜片的凸耳搭接于背板的槽口中，实现光学膜片的初步固定。凸耳与膜片本体的连接线处设置凹槽，凹槽的侧壁可以起到将光线反射到显示区的作用，增强凸耳位置处光线的反射效果，从而提高显示区边缘处的亮度均匀性，避免在凸耳位置产生暗影的问题。

Description

PCT国内申请，说明书已公开。

Claims (15)

  1. PCT国内申请，权利要求书已公开。
CN202180000201.XA 2021-02-07 2021-02-07 光学膜片、背光模组及显示装置 Active CN115176197B (zh)

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PCT/CN2021/075780 WO2022165798A1 (zh) 2021-02-07 2021-02-07 光学膜片、背光模组及显示装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115167036B (zh) * 2022-09-08 2022-12-23 惠科股份有限公司 背光模组和显示装置
US11815710B1 (en) 2023-06-19 2023-11-14 HKC Corporation Limited Backlight module and display device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202501341U (zh) * 2012-03-30 2012-10-24 青岛海信电器股份有限公司 背光模组及电视机
CN204313140U (zh) * 2015-01-12 2015-05-06 昆山龙腾光电有限公司 背光模组及液晶显示器
CN204806113U (zh) * 2015-07-15 2015-11-25 北京京东方茶谷电子有限公司 一种背光模组及显示装置
KR20170035059A (ko) * 2015-09-22 2017-03-30 엘지디스플레이 주식회사 광학시트와 이를 포함하는 액정표시장치
CN206708858U (zh) * 2017-05-10 2017-12-05 合肥京东方显示光源有限公司 背光模组和显示装置
CN107726142A (zh) * 2017-10-20 2018-02-23 友达光电（苏州）有限公司 背光模块及显示装置
CN210465931U (zh) * 2019-11-08 2020-05-05 合肥鑫晟光电科技有限公司 背光模组、显示面板及显示装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101003647B1 (ko) * 2004-05-29 2010-12-23 엘지디스플레이 주식회사 광학시트의 체결구조 및 이를 채용한 액정표시장치
KR101824603B1 (ko) * 2010-11-26 2018-02-02 엘지디스플레이 주식회사 백라이트 유닛 및 이를 구비한 액정표시장치
WO2013061897A1 (ja) * 2011-10-28 2013-05-02 シャープ株式会社 バックライト装置、及び、それを備えた表示装置
CN203052433U (zh) * 2013-01-31 2013-07-10 青岛海信电器股份有限公司 背光模组、具有该背光模组的电视机及显示装置
CN103424931A (zh) * 2013-08-06 2013-12-04 宁波市能捷电子有限公司 一种背光模组
WO2015075834A1 (ja) * 2013-11-25 2015-05-28 堺ディスプレイプロダクト株式会社 光学シートの保持構造及び表示装置
CN103697414B (zh) * 2013-12-20 2017-02-01 深圳市华星光电技术有限公司 导光板、导光板制造方法及背光模块
WO2015145645A1 (ja) * 2014-03-27 2015-10-01 堺ディスプレイプロダクト株式会社 表示装置
KR102170995B1 (ko) * 2014-05-26 2020-10-28 엘지디스플레이 주식회사 바텀커버 및 이를 포함하는 백라이트 유닛
WO2017017792A1 (ja) * 2015-07-28 2017-02-02 堺ディスプレイプロダクト株式会社 表示装置
US10345513B2 (en) * 2015-08-31 2019-07-09 Sakai Display Products Corporation Display device
WO2017037856A1 (ja) * 2015-08-31 2017-03-09 堺ディスプレイプロダクト株式会社 表示装置
KR102429136B1 (ko) * 2015-10-30 2022-08-03 엘지디스플레이 주식회사 디스플레이 장치
CN205067925U (zh) * 2015-11-05 2016-03-02 京东方光科技有限公司 一种背光模组和显示装置
KR102511041B1 (ko) * 2015-12-31 2023-03-16 엘지디스플레이 주식회사 백라이트 유닛 및 그를 가지는 액정 표시 모듈
CN107728380B (zh) * 2017-11-20 2024-04-30 北京小米移动软件有限公司 背光模组及显示装置
CN110737123B (zh) * 2018-07-18 2022-06-28 群创光电股份有限公司 显示装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202501341U (zh) * 2012-03-30 2012-10-24 青岛海信电器股份有限公司 背光模组及电视机
CN204313140U (zh) * 2015-01-12 2015-05-06 昆山龙腾光电有限公司 背光模组及液晶显示器
CN204806113U (zh) * 2015-07-15 2015-11-25 北京京东方茶谷电子有限公司 一种背光模组及显示装置
KR20170035059A (ko) * 2015-09-22 2017-03-30 엘지디스플레이 주식회사 광학시트와 이를 포함하는 액정표시장치
CN206708858U (zh) * 2017-05-10 2017-12-05 合肥京东方显示光源有限公司 背光模组和显示装置
CN107726142A (zh) * 2017-10-20 2018-02-23 友达光电（苏州）有限公司 背光模块及显示装置
CN210465931U (zh) * 2019-11-08 2020-05-05 合肥鑫晟光电科技有限公司 背光模组、显示面板及显示装置

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CN115176197B (zh) 2023-10-17
US20240069385A1 (en) 2024-02-29
WO2022165798A1 (zh) 2022-08-11

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