CN107667255B - 使用光导的照明系统和照明方法 - Google Patents

使用光导的照明系统和照明方法 Download PDF

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Publication number
CN107667255B
CN107667255B CN201680019996.8A CN201680019996A CN107667255B CN 107667255 B CN107667255 B CN 107667255B CN 201680019996 A CN201680019996 A CN 201680019996A CN 107667255 B CN107667255 B CN 107667255B
Authority
CN
China
Prior art keywords
light
light guide
features
top surface
light extraction
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
CN201680019996.8A
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English (en)
Chinese (zh)
Other versions
CN107667255A (zh
Inventor
E.P.博内坎普
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.)
Signify Holding BV
Original Assignee
Philips Lighting Holding BV
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 Philips Lighting Holding BV filed Critical Philips Lighting Holding BV
Publication of CN107667255A publication Critical patent/CN107667255A/zh
Application granted granted Critical
Publication of CN107667255B publication Critical patent/CN107667255B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G02B6/0035—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
    • G02B6/0013—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
    • G02B6/0018—Redirecting means on the surface 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
    • G02B6/0013—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
    • G02B6/0033—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
    • G02B6/0055—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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0073—Light emitting diode [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
CN201680019996.8A 2015-04-02 2016-04-01 使用光导的照明系统和照明方法 Expired - Fee Related CN107667255B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15162443.4 2015-04-02
EP15162443 2015-04-02
PCT/EP2016/057194 WO2016156562A1 (en) 2015-04-02 2016-04-01 Lighting system using a light guide and a lighting method

Publications (2)

Publication Number Publication Date
CN107667255A CN107667255A (zh) 2018-02-06
CN107667255B true CN107667255B (zh) 2020-07-07

Family

ID=52807720

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680019996.8A Expired - Fee Related CN107667255B (zh) 2015-04-02 2016-04-01 使用光导的照明系统和照明方法

Country Status (5)

Country Link
US (1) US10012783B2 (https=)
EP (1) EP3278015B1 (https=)
JP (1) JP2018510468A (https=)
CN (1) CN107667255B (https=)
WO (1) WO2016156562A1 (https=)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016118884A1 (de) * 2016-10-05 2018-04-05 Temicon Gmbh Lichtumlenkvorrichtung, Beleuchtungseinrichtung und Verwendung
US12225643B2 (en) 2017-01-30 2025-02-11 Cree Lighting Usa Llc Lighting fixture and methods
US10859753B2 (en) * 2017-01-30 2020-12-08 Ideal Industries Lighting Llc Luminaires utilizing waveguides with extraction feature patterns
US11729877B2 (en) 2017-01-30 2023-08-15 Ideal Industries Lighting Llc Lighting fixture and methods
EP3369985B1 (en) * 2017-03-02 2020-06-10 Signify Holding B.V. Luminaire with light guide
WO2020180299A1 (en) 2019-03-05 2020-09-10 Hewlett-Packard Development Company, L.P. Frustrum reflector plate
TWI695216B (zh) * 2019-05-13 2020-06-01 茂林光電科技股份有限公司 兼具高出光輝度及高入光展角之導光板及背光模組製造方法

Citations (4)

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Publication number Priority date Publication date Assignee Title
US5584556A (en) * 1991-11-28 1996-12-17 Enplas Corporation Surface light source device
EP0878720A1 (en) * 1996-09-24 1998-11-18 Seiko Epson Corporation Illuminating device and display using the device
WO2001002772A1 (en) * 1999-07-01 2001-01-11 3M Innovative Properties Company Display assembly having a front light guide
CN101657745A (zh) * 2007-04-12 2010-02-24 皇家飞利浦电子股份有限公司 改进的光导和光输出设备

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CA1312320C (en) * 1987-11-12 1993-01-05 Makoto Oe Plane light source unit
WO1998054605A1 (en) * 1997-05-29 1998-12-03 Kuraray, Co., Ltd. Lightguide
WO1998054606A1 (en) * 1997-05-29 1998-12-03 Kuraray Co., Ltd. Lightguide
KR20010001951A (ko) * 1999-06-10 2001-01-05 구본준 보조광원 장치를 가진 반사형 액정표시장치
JP2001051272A (ja) * 1999-08-11 2001-02-23 Semiconductor Energy Lab Co Ltd フロントライト及び電子機器
US6347874B1 (en) * 2000-02-16 2002-02-19 3M Innovative Properties Company Wedge light extractor with risers
JP3730481B2 (ja) 2000-06-02 2006-01-05 株式会社東海 圧電着火式ライターの着火操作機構
EP1215526A4 (en) 2000-07-11 2005-11-30 Mitsubishi Chem Corp SURFACE LIGHT SOURCE DEVICE
JP2002124115A (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
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
JP4085379B2 (ja) * 2003-03-28 2008-05-14 ミネベア株式会社 面状照明装置
JP4225132B2 (ja) * 2003-06-24 2009-02-18 カシオ計算機株式会社 液晶表示装置
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US8534896B2 (en) * 2009-07-10 2013-09-17 Koninklijke Philips N.V. Free form lighting module
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JP6391387B2 (ja) * 2014-09-24 2018-09-19 キヤノン株式会社 導光ユニット及びそれを用いた照明装置、画像読取装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5584556A (en) * 1991-11-28 1996-12-17 Enplas Corporation Surface light source device
EP0878720A1 (en) * 1996-09-24 1998-11-18 Seiko Epson Corporation Illuminating device and display using the device
WO2001002772A1 (en) * 1999-07-01 2001-01-11 3M Innovative Properties Company Display assembly having a front light guide
CN101657745A (zh) * 2007-04-12 2010-02-24 皇家飞利浦电子股份有限公司 改进的光导和光输出设备

Also Published As

Publication number Publication date
EP3278015B1 (en) 2020-06-24
US10012783B2 (en) 2018-07-03
EP3278015A1 (en) 2018-02-07
WO2016156562A1 (en) 2016-10-06
JP2018510468A (ja) 2018-04-12
CN107667255A (zh) 2018-02-06
US20180074250A1 (en) 2018-03-15

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Granted publication date: 20200707

Termination date: 20210401