SG11201400772WA - Backlight device - Google Patents

Backlight device

Info

Publication number
SG11201400772WA
SG11201400772WA SG11201400772WA SG11201400772WA SG11201400772WA SG 11201400772W A SG11201400772W A SG 11201400772WA SG 11201400772W A SG11201400772W A SG 11201400772WA SG 11201400772W A SG11201400772W A SG 11201400772WA SG 11201400772W A SG11201400772W A SG 11201400772WA
Authority
SG
Singapore
Prior art keywords
backlight device
backlight
Prior art date
Application number
SG11201400772WA
Other languages
English (en)
Inventor
Yuji Saito
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of SG11201400772WA publication Critical patent/SG11201400772WA/en

Links

Classifications

    • 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
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Liquid Crystal (AREA)
SG11201400772WA 2011-09-20 2012-09-19 Backlight device SG11201400772WA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011204800 2011-09-20
PCT/JP2012/074607 WO2013042796A1 (en) 2011-09-20 2012-09-19 Backlight device

Publications (1)

Publication Number Publication Date
SG11201400772WA true SG11201400772WA (en) 2014-04-28

Family

ID=47003167

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201400772WA SG11201400772WA (en) 2011-09-20 2012-09-19 Backlight device

Country Status (8)

Country Link
US (1) US9423553B2 (de)
EP (1) EP2758831B1 (de)
JP (1) JP2014530455A (de)
KR (1) KR20140066237A (de)
CN (1) CN103797406B (de)
SG (1) SG11201400772WA (de)
TW (1) TW201319645A (de)
WO (1) WO2013042796A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2617003C1 (ru) * 2015-11-05 2017-04-19 Самсунг Электроникс Ко., Лтд. Световодная пластина и содержащее ее устройство задней подсветки
CN107505794B (zh) * 2017-09-28 2020-07-21 京东方科技集团股份有限公司 一种显示装置及背光源
CN108279526A (zh) * 2017-12-28 2018-07-13 重庆市中光电显示技术有限公司 侧光式背光模组
TWI657277B (zh) * 2018-03-06 2019-04-21 友達光電股份有限公司 顯示裝置
CN108679573A (zh) * 2018-05-31 2018-10-19 华域视觉科技(上海)有限公司 Led光源面发光模组及应用其的车灯
JP2023008354A (ja) * 2021-07-06 2023-01-19 恵和株式会社 光学シート積層体、バックライトユニット、液晶表示装置、情報機器、及びバックライトユニットの製造方法
JP2023008355A (ja) * 2021-07-06 2023-01-19 恵和株式会社 光学シート積層体、バックライトユニット、液晶表示装置、情報機器、及びバックライトユニットの製造方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5359691A (en) * 1992-10-08 1994-10-25 Briteview Technologies Backlighting system with a multi-reflection light injection system and using microprisms
JPH0794008A (ja) 1993-09-24 1995-04-07 Chiyatani Sangyo Kk 面照明装置
JP3682313B2 (ja) * 1995-03-08 2005-08-10 日東樹脂工業株式会社 面光源装置及び液晶ディスプレイ
JP2000214460A (ja) 1999-01-25 2000-08-04 Sharp Corp バックライト装置
JP2002124116A (ja) 2000-08-08 2002-04-26 Yuka Denshi Co Ltd 面光源装置及びこれを用いた液晶ディスプレイ装置
JP3871913B2 (ja) * 2000-11-14 2007-01-24 シャープ株式会社 反射型表示装置およびプリズムアレイシート
KR100638658B1 (ko) 2004-10-20 2006-10-30 삼성전기주식회사 백라이트 장치
JP2006120975A (ja) 2004-10-25 2006-05-11 Matsushita Electric Ind Co Ltd 電子部品装着装置および保持ツール
WO2006092944A1 (ja) * 2005-03-01 2006-09-08 Sharp Kabushiki Kaisha バックライトユニットおよび液晶表示装置
US20090290098A1 (en) 2005-06-13 2009-11-26 Tsujiden Co., Ltd. Reflection sheet for backlight of liquid crystal display device, and backlight of liquid crystal display device using the reflection sheet
JP2007115451A (ja) * 2005-10-18 2007-05-10 Omron Corp 面光源装置
KR20070077285A (ko) * 2006-01-23 2007-07-26 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 표시장치
CN101008683A (zh) * 2006-01-25 2007-08-01 扬明光学股份有限公司 增光片与背光模组
JP2007220447A (ja) 2006-02-16 2007-08-30 Harison Toshiba Lighting Corp サイドライト型バックライト装置
JP4853784B2 (ja) 2007-01-12 2012-01-11 ミネベア株式会社 面状照明装置
WO2009002853A2 (en) 2007-06-22 2008-12-31 3M Innovative Properties Company Systems and methods for controlling backlight output characteristics
JP2011508904A (ja) 2007-12-20 2011-03-17 スリーエム イノベイティブ プロパティズ カンパニー プリズム構造を有するバックライト反射体
CN102227587A (zh) * 2008-11-27 2011-10-26 夏普株式会社 面光源装置
JP2010262813A (ja) * 2009-05-01 2010-11-18 Hitachi Displays Ltd 照明装置及び液晶表示装置

Also Published As

Publication number Publication date
TW201319645A (zh) 2013-05-16
CN103797406B (zh) 2016-08-17
WO2013042796A1 (en) 2013-03-28
KR20140066237A (ko) 2014-05-30
EP2758831A1 (de) 2014-07-30
JP2014530455A (ja) 2014-11-17
EP2758831B1 (de) 2017-05-17
US9423553B2 (en) 2016-08-23
CN103797406A (zh) 2014-05-14
US20150177444A1 (en) 2015-06-25

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