DE69432353T2 - Flächenhafte lichtquelle - Google Patents

Flächenhafte lichtquelle

Info

Publication number
DE69432353T2
DE69432353T2 DE69432353T DE69432353T DE69432353T2 DE 69432353 T2 DE69432353 T2 DE 69432353T2 DE 69432353 T DE69432353 T DE 69432353T DE 69432353 T DE69432353 T DE 69432353T DE 69432353 T2 DE69432353 T2 DE 69432353T2
Authority
DE
Germany
Prior art keywords
light source
area light
area
source
light
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 - Fee Related
Application number
DE69432353T
Other languages
English (en)
Other versions
DE69432353D1 (de
Inventor
Kazuaki Yokoyama
Tsuyoshi Ishikawa
Takayuki Arai
Tetsufumi Ohta
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.)
Enplas Corp
Original Assignee
Enplas 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.)
Filing date
Publication date
Priority claimed from JP6394793U external-priority patent/JPH0729532U/ja
Priority claimed from JP6036329A external-priority patent/JPH07225320A/ja
Priority claimed from JP08275294A external-priority patent/JP3303179B2/ja
Priority claimed from JP8271494A external-priority patent/JPH07270621A/ja
Priority claimed from JP08378294A external-priority patent/JP3333949B2/ja
Application filed by Enplas Corp filed Critical Enplas Corp
Publication of DE69432353D1 publication Critical patent/DE69432353D1/de
Application granted granted Critical
Publication of DE69432353T2 publication Critical patent/DE69432353T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface 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
    • 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
    • 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

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)
DE69432353T 1993-11-05 1994-11-02 Flächenhafte lichtquelle Expired - Fee Related DE69432353T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP6394793U JPH0729532U (ja) 1993-11-05 1993-11-05 面光源装置
JP6036329A JPH07225320A (ja) 1994-02-10 1994-02-10 面光源装置
JP08275294A JP3303179B2 (ja) 1994-03-30 1994-03-30 面光源装置
JP8271494A JPH07270621A (ja) 1994-03-30 1994-03-30 面光源装置
JP08378294A JP3333949B2 (ja) 1994-03-31 1994-03-31 面光源装置
PCT/JP1994/001849 WO1995012827A1 (fr) 1993-11-05 1994-11-02 Dispositif a source lumineuse en surface

Publications (2)

Publication Number Publication Date
DE69432353D1 DE69432353D1 (de) 2003-04-30
DE69432353T2 true DE69432353T2 (de) 2003-11-20

Family

ID=27521783

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69432353T Expired - Fee Related DE69432353T2 (de) 1993-11-05 1994-11-02 Flächenhafte lichtquelle

Country Status (6)

Country Link
US (1) US5818555A (de)
EP (1) EP0727678B1 (de)
KR (1) KR100381703B1 (de)
DE (1) DE69432353T2 (de)
TW (5) TW322532B (de)
WO (1) WO1995012827A1 (de)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6280043B1 (en) 1997-05-14 2001-08-28 Enplas Corporation Surface light source device of side light type
DE29713114U1 (de) * 1997-07-23 1998-11-26 Bwf Kunststoffe Gmbh & Co Kg Lichtleiter mit Vorwärtsstreuung
DE19818887A1 (de) * 1998-04-28 1999-11-04 Jan Hes Beleuchtungsverfahren für Leuchtschriften
KR100628433B1 (ko) * 1999-06-08 2006-09-27 삼성전자주식회사 액정표시장치용 백라이트 유니트
JP3848039B2 (ja) * 1999-09-06 2006-11-22 株式会社リコー インターネットファクシミリゲートウェイ装置およびその制御方法
DE19961390A1 (de) * 1999-12-20 2001-06-21 Mannesmann Vdo Ag Lichtleiter
GB0008494D0 (en) * 2000-04-07 2000-05-24 Secr Defence Microprojectile delivery system
KR100687536B1 (ko) * 2000-04-28 2007-02-27 삼성전자주식회사 백라이트 어셈블리 및 이를 채용한 액정표시장치
EP1215526A4 (de) 2000-07-11 2005-11-30 Mitsubishi Chem Corp Oberflächenlichtquelle
JP2002150819A (ja) * 2000-11-09 2002-05-24 Harison Toshiba Lighting Corp 放電ランプ装置および照明装置
TW574509B (en) * 2001-02-14 2004-02-01 Yuka Denshi Co Ltd Light guide body, light reflective sheet and surface light source device and liquid crystal device using the light reflective sheet, and the manufacturing method of light reflective sheet
JP2005513573A (ja) * 2001-12-27 2005-05-12 サムスン エレクトロニクス カンパニー リミテッド 液晶表示装置
JP3871932B2 (ja) * 2001-12-28 2007-01-24 シャープ株式会社 表示装置およびバックライト装置
JP4019886B2 (ja) * 2002-09-30 2007-12-12 オムロン株式会社 光学フィルム、面光源装置及び液晶表示装置
TW556844U (en) * 2002-12-20 2003-10-01 Hon Hai Prec Ind Co Ltd Lightguide plate and surface-light source
JP4672006B2 (ja) * 2005-03-01 2011-04-20 シャープ株式会社 バックライトユニットおよび液晶表示装置
CN2777594Y (zh) * 2005-03-12 2006-05-03 群康科技(深圳)有限公司 背光模组和液晶显示装置
KR20060119264A (ko) * 2005-05-19 2006-11-24 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
KR100827712B1 (ko) * 2006-05-10 2008-05-07 순천향대학교 산학협력단 광 도파로
KR101086255B1 (ko) 2010-03-10 2011-11-23 주식회사 창강화학 통합형 광학시트를 구비한 백라이트유닛용 도광판 및 이를 포함하는 백라이트유닛
US20110219648A1 (en) * 2010-03-12 2011-09-15 Trevor James Led edge-lit signage utilizing digital print technology
KR20120022198A (ko) * 2010-09-01 2012-03-12 동우 화인켐 주식회사 광확산 도광판, 이를 포함하는 백라이트 유닛 및 액정표시장치
US9752753B2 (en) * 2012-03-14 2017-09-05 Samsung Display Co., Ltd. Display device comprising the same
US9366396B2 (en) 2013-01-30 2016-06-14 Cree, Inc. Optical waveguide and lamp including same
US9442243B2 (en) 2013-01-30 2016-09-13 Cree, Inc. Waveguide bodies including redirection features and methods of producing same
US9291320B2 (en) 2013-01-30 2016-03-22 Cree, Inc. Consolidated troffer
US9690029B2 (en) 2013-01-30 2017-06-27 Cree, Inc. Optical waveguides and luminaires incorporating same
US9869432B2 (en) 2013-01-30 2018-01-16 Cree, Inc. Luminaires using waveguide bodies and optical elements
US9625638B2 (en) 2013-03-15 2017-04-18 Cree, Inc. Optical waveguide body
US10436969B2 (en) 2013-01-30 2019-10-08 Ideal Industries Lighting Llc Optical waveguide and luminaire incorporating same
US9366799B2 (en) 2013-03-15 2016-06-14 Cree, Inc. Optical waveguide bodies and luminaires utilizing same
US10502899B2 (en) 2013-03-15 2019-12-10 Ideal Industries Lighting Llc Outdoor and/or enclosed structure LED luminaire
US10209429B2 (en) 2013-03-15 2019-02-19 Cree, Inc. Luminaire with selectable luminous intensity pattern
US9798072B2 (en) 2013-03-15 2017-10-24 Cree, Inc. Optical element and method of forming an optical element
US10400984B2 (en) 2013-03-15 2019-09-03 Cree, Inc. LED light fixture and unitary optic member therefor
US9920901B2 (en) 2013-03-15 2018-03-20 Cree, Inc. LED lensing arrangement
US10436970B2 (en) 2013-03-15 2019-10-08 Ideal Industries Lighting Llc Shaped optical waveguide bodies
US10379278B2 (en) * 2013-03-15 2019-08-13 Ideal Industries Lighting Llc Outdoor and/or enclosed structure LED luminaire outdoor and/or enclosed structure LED luminaire having outward illumination
US10471467B2 (en) * 2014-07-18 2019-11-12 North Inc. Lighting arrangement
US10416377B2 (en) 2016-05-06 2019-09-17 Cree, Inc. Luminaire with controllable light emission
US11719882B2 (en) 2016-05-06 2023-08-08 Ideal Industries Lighting Llc Waveguide-based light sources with dynamic beam shaping
US20200028164A1 (en) * 2017-02-09 2020-01-23 Wacker Chemie Ag Silicon particles for anode materials of lithium ion batteries

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6228306U (de) * 1985-08-06 1987-02-20
JPS62154422U (de) * 1986-03-19 1987-09-30
JPH036525A (ja) * 1989-06-02 1991-01-14 Mitsubishi Petrochem Co Ltd バックライト装置
US5093765A (en) * 1990-02-16 1992-03-03 Tosoh Corporation Back lighting device for a panel
US5134549A (en) * 1990-06-19 1992-07-28 Enplas Corporation Surface light source device
JPH0483286A (ja) * 1990-07-26 1992-03-17 Seiko Epson Corp 面照明装置
JPH04178627A (ja) * 1990-11-13 1992-06-25 Enplas Corp 面光源装置の製造方法
JP3064006B2 (ja) * 1990-11-27 2000-07-12 日本写真印刷株式会社 面発光装置
JPH04199001A (ja) * 1990-11-29 1992-07-20 Kimoto & Co Ltd 面状光源用導光板
JPH04280225A (ja) * 1991-03-08 1992-10-06 Tosoh Corp バックライト
JPH04269702A (ja) * 1991-02-25 1992-09-25 Tosoh Corp パネル用バックライト
JP2703412B2 (ja) * 1991-02-26 1998-01-26 株式会社きもと 面状光源用導光板
JPH04107201U (ja) * 1991-02-27 1992-09-16 オーツタイヤ株式会社 導光板装置
JPH0545505A (ja) * 1991-06-28 1993-02-23 Nec Kansai Ltd 平面発光板
EP0531939B1 (de) * 1991-09-09 1999-12-29 Enplas Corporation Oberflächenbeleuchtung
EP0544332B1 (de) * 1991-11-28 1997-01-29 Enplas Corporation Flächenartige Lichtquelle
CA2097109C (en) * 1992-06-01 2000-01-11 Shozo Kokawa Liquid crystal display
JP2842739B2 (ja) * 1992-09-14 1999-01-06 富士通株式会社 面光源ユニット及び液晶表示装置
JPH0695112A (ja) * 1992-09-16 1994-04-08 Hitachi Ltd プリズムプレートおよびそれを用いた情報表示装置
JP2599121Y2 (ja) * 1993-05-07 1999-08-30 株式会社エンプラス 面光源装置

Also Published As

Publication number Publication date
DE69432353D1 (de) 2003-04-30
WO1995012827A1 (fr) 1995-05-11
EP0727678A1 (de) 1996-08-21
KR960706090A (ko) 1996-11-08
TW322533B (de) 1997-12-11
KR100381703B1 (ko) 2003-08-21
TW308649B (de) 1997-06-21
TW322534B (de) 1997-12-11
US5818555A (en) 1998-10-06
EP0727678A4 (de) 1997-10-15
TW322531B (de) 1997-12-11
TW322532B (de) 1997-12-11
EP0727678B1 (de) 2003-03-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee