DE60222337D1 - Oberflächenemittierende Vorrichtung und Flüssigkristallanzeigevorrichtung, die eine solche oberflächenemittierende Vorrichtung verwendet - Google Patents

Oberflächenemittierende Vorrichtung und Flüssigkristallanzeigevorrichtung, die eine solche oberflächenemittierende Vorrichtung verwendet

Info

Publication number
DE60222337D1
DE60222337D1 DE60222337T DE60222337T DE60222337D1 DE 60222337 D1 DE60222337 D1 DE 60222337D1 DE 60222337 T DE60222337 T DE 60222337T DE 60222337 T DE60222337 T DE 60222337T DE 60222337 D1 DE60222337 D1 DE 60222337D1
Authority
DE
Germany
Prior art keywords
surface emitting
emitting device
liquid crystal
crystal display
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.)
Expired - Lifetime
Application number
DE60222337T
Other languages
English (en)
Other versions
DE60222337T2 (de
Inventor
Kou Ohwada
Hideaki Nagakubo
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.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co Ltd
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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Application granted granted Critical
Publication of DE60222337D1 publication Critical patent/DE60222337D1/de
Publication of DE60222337T2 publication Critical patent/DE60222337T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0028—Light guide, e.g. taper
    • 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
    • G02F1/133615—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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—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
    • G02B6/0033—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
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide

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)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Light Guides In General And Applications Therefor (AREA)
DE60222337T 2001-07-06 2002-07-03 Oberflächenemittierende Vorrichtung und Flüssigkristallanzeigevorrichtung, die eine solche oberflächenemittierende Vorrichtung verwendet Expired - Lifetime DE60222337T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001206287A JP3962228B2 (ja) 2001-07-06 2001-07-06 面発光装置及び液晶表示装置
JP2001206287 2001-07-06

Publications (2)

Publication Number Publication Date
DE60222337D1 true DE60222337D1 (de) 2007-10-25
DE60222337T2 DE60222337T2 (de) 2008-05-29

Family

ID=19042447

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60222337T Expired - Lifetime DE60222337T2 (de) 2001-07-06 2002-07-03 Oberflächenemittierende Vorrichtung und Flüssigkristallanzeigevorrichtung, die eine solche oberflächenemittierende Vorrichtung verwendet

Country Status (5)

Country Link
US (1) US6692134B2 (de)
EP (1) EP1276002B1 (de)
JP (1) JP3962228B2 (de)
CN (1) CN1181381C (de)
DE (1) DE60222337T2 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW549459U (en) * 2002-01-18 2003-08-21 Chunghwa Picture Tubes Ltd Light reflection apparatus for flat panel display
JP4130100B2 (ja) * 2002-07-05 2008-08-06 アルプス電気株式会社 面発光装置及び液晶表示装置
JP4130115B2 (ja) * 2002-10-16 2008-08-06 アルプス電気株式会社 照明装置、及び液晶表示装置
CN1806146B (zh) 2003-06-13 2010-11-24 东芝松下显示技术有限公司 表面光源装置
CN100510513C (zh) * 2003-07-31 2009-07-08 欧姆龙株式会社 面光源装置
PL364017A1 (en) * 2003-12-11 2005-06-13 SKOFF Sp.z o.o. Lighting clip
CN100454054C (zh) * 2004-05-24 2009-01-21 奥斯兰姆奥普托半导体有限责任公司 用于装配表面发光系统的方法以及表面发光系统
CN1327273C (zh) * 2004-05-28 2007-07-18 友达光电股份有限公司 发光定位装置
US20070093234A1 (en) * 2004-08-20 2007-04-26 Willis John A Identify theft protection and notification system
US20060080263A1 (en) * 2004-10-13 2006-04-13 Willis John A Identity theft protection and notification system
JP4632875B2 (ja) * 2005-06-23 2011-02-16 アルプス電気株式会社 座標入力装置
JP2007322541A (ja) * 2006-05-30 2007-12-13 Nec Lcd Technologies Ltd 照明装置及び液晶表示装置
KR20080029284A (ko) * 2006-09-28 2008-04-03 삼성전자주식회사 광원 어셈블리, 이를 포함하는 백 라이트 어셈블리 및이들을 포함하는 액정 표시 장치
KR100818278B1 (ko) * 2006-10-16 2008-04-01 삼성전자주식회사 액정 표시장치용 조명장치
CN101377589B (zh) * 2007-08-27 2012-03-21 奇美电子股份有限公司 背光模组及使用此背光模组的液晶显示装置
JP5414224B2 (ja) * 2007-10-19 2014-02-12 富士フイルム株式会社 面状照明装置
KR20100095812A (ko) * 2009-02-23 2010-09-01 삼성전자주식회사 백 라이트 유닛 및 이를 포함하는 액정표시장치
WO2011074365A1 (ja) * 2009-12-17 2011-06-23 シャープ株式会社 照明装置、表示装置、及びテレビ受信装置
JP4781483B1 (ja) * 2010-02-26 2011-09-28 シャープ株式会社 導光板装置、光源装置、表示装置及びテレビ受像装置
CN102313156B (zh) * 2010-07-02 2013-10-02 海洋王照明科技股份有限公司 Led平面光源
TW201227084A (en) * 2010-12-30 2012-07-01 Au Optronics Corp Backlight module
CN102425770A (zh) * 2011-11-25 2012-04-25 深圳市华星光电技术有限公司 一种灯条固定装置、背光模组及液晶显示装置
US20130135893A1 (en) * 2011-11-25 2013-05-30 Yanxue Zhang Light Bar Fixing Device, Backlight Module and LCD Device
WO2014038807A1 (ko) * 2012-09-05 2014-03-13 희성전자 도광바 및 이를 구비하는 백라이트 장치
CN102840521B (zh) * 2012-09-28 2015-06-10 深圳市华星光电技术有限公司 一种背光模组及液晶显示装置
CN102998760A (zh) * 2012-11-29 2013-03-27 信利半导体有限公司 导光板装配结构及装配方法
US10082312B2 (en) 2013-04-30 2018-09-25 Honeywell International Inc. HVAC controller with multi-region display and guided setup
CN103411146A (zh) * 2013-08-10 2013-11-27 无锡市宝成塑胶科技有限公司 一种led面板灯
AT515052B1 (de) * 2013-10-17 2015-08-15 Mb Microtec Ag Visiervorrichtung
KR102435848B1 (ko) * 2015-03-31 2022-08-24 서울반도체 주식회사 자동차용 조명 장치
WO2017157706A1 (en) * 2016-03-15 2017-09-21 Lumileds Holding B.V. Arrangement of a tir body
JP6368387B2 (ja) * 2017-01-25 2018-08-01 株式会社三共 遊技機
JP6866704B2 (ja) * 2017-03-14 2021-04-28 オムロン株式会社 表示装置
JP7313000B2 (ja) * 2019-02-27 2023-07-24 パナソニックＩｐマネジメント株式会社 照明装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69426978T2 (de) * 1994-04-22 2001-09-27 Enplas Corp Oberflächenlichtquellen-vorrichtung
JP3869914B2 (ja) 1997-09-30 2007-01-17 アルプス電気株式会社 照光ユニット及びそれを使用した液晶表示装置
JP4087956B2 (ja) * 1998-08-27 2008-05-21 セイコーエプソン株式会社 バックライトユニットおよび電子機器
JP2001147422A (ja) * 1999-09-07 2001-05-29 Advanced Display Inc 液晶表示装置およびその製造方法
JP2001184926A (ja) * 1999-12-28 2001-07-06 Minebea Co Ltd 面状照明装置
TW542931B (en) * 2001-01-16 2003-07-21 Au Optronics Corp Back lighting device of liquid crystal display device

Also Published As

Publication number Publication date
CN1396485A (zh) 2003-02-12
CN1181381C (zh) 2004-12-22
JP3962228B2 (ja) 2007-08-22
EP1276002A2 (de) 2003-01-15
DE60222337T2 (de) 2008-05-29
US20030007343A1 (en) 2003-01-09
JP2003022705A (ja) 2003-01-24
EP1276002A3 (de) 2006-02-08
US6692134B2 (en) 2004-02-17
EP1276002B1 (de) 2007-09-12

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Legal Events

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