CA2280085C - Luminaire device - Google Patents

Luminaire device Download PDF

Info

Publication number
CA2280085C
CA2280085C CA002280085A CA2280085A CA2280085C CA 2280085 C CA2280085 C CA 2280085C CA 002280085 A CA002280085 A CA 002280085A CA 2280085 A CA2280085 A CA 2280085A CA 2280085 C CA2280085 C CA 2280085C
Authority
CA
Canada
Prior art keywords
layer
light
polarization
angle
redirecting
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
CA002280085A
Other languages
English (en)
French (fr)
Other versions
CA2280085A1 (en
Inventor
Roland Winston
Robert L. Holman
Benjamin A. Jacobson
Robert M. Emmons
Philip Gleckman
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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
Priority claimed from US08/783,212 external-priority patent/US6002829A/en
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of CA2280085A1 publication Critical patent/CA2280085A1/en
Application granted granted Critical
Publication of CA2280085C publication Critical patent/CA2280085C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
    • 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
    • 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
    • G02B6/0056—Means for improving the coupling-out of light from the light guide for producing polarisation effects, e.g. by a surface with polarizing properties or by an additional polarizing elements
    • 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
    • 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
    • G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one

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)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
CA002280085A 1997-01-13 1998-01-13 Luminaire device Expired - Fee Related CA2280085C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/783,212 US6002829A (en) 1992-03-23 1997-01-13 Luminaire device
US08/783,212 1997-01-13
PCT/US1998/000632 WO1998033006A2 (en) 1997-01-13 1998-01-13 Luminaire device

Publications (2)

Publication Number Publication Date
CA2280085A1 CA2280085A1 (en) 1998-07-30
CA2280085C true CA2280085C (en) 2006-06-06

Family

ID=25128521

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002280085A Expired - Fee Related CA2280085C (en) 1997-01-13 1998-01-13 Luminaire device

Country Status (6)

Country Link
EP (1) EP0953130A4 (de)
JP (2) JP4163259B2 (de)
KR (1) KR100573634B1 (de)
AU (1) AU6023698A (de)
CA (1) CA2280085C (de)
WO (1) WO1998033006A2 (de)

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US6570710B1 (en) 1999-11-12 2003-05-27 Reflexite Corporation Subwavelength optical microstructure light collimating films
US6356389B1 (en) 1999-11-12 2002-03-12 Reflexite Corporation Subwavelength optical microstructure light collimating films
KR20020009202A (ko) * 2000-07-25 2002-02-01 김순택 반투과형 액정 표시장치
TWI297093B (en) * 2000-09-25 2008-05-21 Mitsubishi Rayon Co Light source device
US6663262B2 (en) * 2001-09-10 2003-12-16 3M Innovative Properties Company Backlighting transmissive displays
EP1451502B1 (de) * 2001-12-05 2010-05-26 Rambus International Ltd Transflektor, transflektorsysteme und -anzeigen und verfahren zur herstellung von transflektoren
KR100798315B1 (ko) * 2001-12-29 2008-01-28 엘지.필립스 엘시디 주식회사 액정 표시장치의 기판 구조 및 그 제조방법
WO2003069222A1 (fr) * 2002-01-18 2003-08-21 Mitsubishi Rayon Co., Ltd. Dispositif d'eclairage
US7859759B2 (en) 2002-05-20 2010-12-28 Sabic Innovative Plastics Ip B.V. Film, backlight displays, and methods for making the same
US6908202B2 (en) 2002-10-03 2005-06-21 General Electric Company Bulk diffuser for flat panel display
JP2004177806A (ja) * 2002-11-28 2004-06-24 Alps Electric Co Ltd 反射防止構造および照明装置と液晶表示装置並びに反射防止膜成型用金型
US6811274B2 (en) 2002-12-04 2004-11-02 General Electric Company Polarization sensitive optical substrate
US7125131B2 (en) 2002-12-06 2006-10-24 General Electric Company Brightness enhancement film with improved view angle
US6952627B2 (en) 2002-12-18 2005-10-04 General Electric Company Method and apparatus for fabricating light management substrates
DE102005006635A1 (de) * 2005-01-31 2006-08-10 Osram Opto Semiconductors Gmbh Optisches Element und Verfahren zu dessen Herstellung
JP4889239B2 (ja) * 2005-05-18 2012-03-07 チェイル インダストリーズ インコーポレイテッド バックライトユニットおよび液晶表示装置
CN101013218B (zh) * 2005-10-14 2010-12-15 大日本印刷株式会社 光控制片和面光源装置
US7586082B2 (en) * 2007-01-24 2009-09-08 Xerox Corporation Optical element for a document illuminator
JP5133081B2 (ja) * 2007-02-14 2013-01-30 パナソニック株式会社 面状照明装置及び液晶表示装置
US8698985B2 (en) 2009-11-30 2014-04-15 Samsung Corning Precision Materials Co., Ltd. Optical film for reducing color shift and LCD device having the same
US8735791B2 (en) 2010-07-13 2014-05-27 Svv Technology Innovations, Inc. Light harvesting system employing microstructures for efficient light trapping
JP5799592B2 (ja) * 2011-06-03 2015-10-28 住友ベークライト株式会社 光導波路、光電気混載基板および電子機器
WO2013104781A1 (de) * 2012-01-11 2013-07-18 Seereal Technologies S.A. Optische vorrichtung zum beleuchten einer pixelmatrix und/oder eines steuerbaren räumlichen lichtmodulators für ein display
JP5984591B2 (ja) 2012-09-05 2016-09-06 オリンパス株式会社 表示方法及び表示装置
JP6024348B2 (ja) * 2012-09-28 2016-11-16 株式会社Ｊｖｃケンウッド 投影装置
AU2014218711A1 (en) * 2013-02-22 2015-09-10 Reald Spark, Llc Directional backlight
US10036517B2 (en) 2013-05-16 2018-07-31 3M Innovative Properties Company Lightguide as luminaire
DE102014003298A1 (de) * 2014-03-07 2015-09-10 Sioptica Gmbh Verfahren und Anordnung zur wahlweisen Einschränkung der Erkennbarkeit von Bildern
KR20180030927A (ko) * 2015-08-13 2018-03-26 쓰리엠 이노베이티브 프로퍼티즈 컴파니 방향전환 필름과 확산기를 포함하는 디스플레이
KR20180042892A (ko) 2016-10-18 2018-04-27 삼성디스플레이 주식회사 표시 장치
KR20190032797A (ko) * 2017-09-20 2019-03-28 엘지이노텍 주식회사 조명 장치
CA3108060C (en) 2018-08-13 2024-01-23 Leia Inc. Grating collimator, backlight system, and method employing a light-recycling light source

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5046829A (en) * 1989-05-01 1991-09-10 Motorola, Inc. Liquid crystal display backlighting apparatus having combined optical diffuser and shock dampening properties
US5101325A (en) * 1990-03-20 1992-03-31 General Electric Company Uniform illumination of large, thin surfaces particularly suited for automotive applications
US5050946A (en) * 1990-09-27 1991-09-24 Compaq Computer Corporation Faceted light pipe
US5303322A (en) * 1992-03-23 1994-04-12 Nioptics Corporation Tapered multilayer luminaire devices
JP3384867B2 (ja) * 1994-03-31 2003-03-10 株式会社エンプラス 偏光変換手段を備えた偏光化機能付面光源装置
JP3694024B2 (ja) * 1994-04-11 2005-09-14 ミネソタ・マイニング・アンド・マニュファクチャリング・カンパニー テーパ付多層照明装置
JP3219943B2 (ja) * 1994-09-16 2001-10-15 株式会社東芝 平面直視型表示装置
JPH0894851A (ja) * 1994-09-22 1996-04-12 Nippon Chemitec Kk 導光板とその面型照明体

Also Published As

Publication number Publication date
JP2001508590A (ja) 2001-06-26
JP4642873B2 (ja) 2011-03-02
WO1998033006A3 (en) 1998-10-01
AU6023698A (en) 1998-08-18
JP4163259B2 (ja) 2008-10-08
KR20000070114A (ko) 2000-11-25
JP2008270222A (ja) 2008-11-06
KR100573634B1 (ko) 2006-04-26
WO1998033006A2 (en) 1998-07-30
CA2280085A1 (en) 1998-07-30
EP0953130A2 (de) 1999-11-03
EP0953130A4 (de) 2000-01-05

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