EP2875278A4 - Lighting device and method for providing light - Google Patents

Lighting device and method for providing light

Info

Publication number
EP2875278A4
EP2875278A4 EP13819617.5A EP13819617A EP2875278A4 EP 2875278 A4 EP2875278 A4 EP 2875278A4 EP 13819617 A EP13819617 A EP 13819617A EP 2875278 A4 EP2875278 A4 EP 2875278A4
Authority
EP
European Patent Office
Prior art keywords
lighting device
providing light
providing
light
lighting
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.)
Withdrawn
Application number
EP13819617.5A
Other languages
German (de)
French (fr)
Other versions
EP2875278A1 (en
Inventor
Sarah Anne Mitchell
David James Montgomery
Peter John Roberts
Jonathan Heffernan
James Rowland Suckling
Samir Rihani
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.)
Sharp Corp
Original Assignee
Sharp 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
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of EP2875278A1 publication Critical patent/EP2875278A1/en
Publication of EP2875278A4 publication Critical patent/EP2875278A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0066—Reflectors for light sources specially adapted to cooperate with point like light sources; specially adapted to cooperate with light sources the shape of which is unspecified
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
    • F21V11/14—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures with many small apertures
    • 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
    • G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • F21V7/0033—Combination of two or more reflectors for a single light source with successive reflections from one reflector to the next or following
    • 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]
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Planar Illumination Modules (AREA)
EP13819617.5A 2012-07-20 2013-07-22 Lighting device and method for providing light Withdrawn EP2875278A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261673902P 2012-07-20 2012-07-20
US201213563117A 2012-07-31 2012-07-31
PCT/JP2013/004451 WO2014013745A1 (en) 2012-07-20 2013-07-22 Lighting device and method for providing light

Publications (2)

Publication Number Publication Date
EP2875278A1 EP2875278A1 (en) 2015-05-27
EP2875278A4 true EP2875278A4 (en) 2015-09-23

Family

ID=49948583

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13819617.5A Withdrawn EP2875278A4 (en) 2012-07-20 2013-07-22 Lighting device and method for providing light

Country Status (3)

Country Link
EP (1) EP2875278A4 (en)
JP (1) JP2015521780A (en)
WO (1) WO2014013745A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104201989B (en) * 2014-09-17 2016-08-17 中国电子科技集团公司第四十一研究所 A kind of large area solar simulator dodging device and manufacture method
US9490378B2 (en) 2014-09-19 2016-11-08 Avago Technologies General Ip (Singapore) Pte. Ltd. Cone shaped focusing lens
ITUA20161504A1 (en) * 2016-03-09 2017-09-09 Neri S P A OPTIC AND ILLUMINATING BODY
JP2019511828A (en) * 2016-04-22 2019-04-25 シグニファイ ホールディング ビー ヴィ Integrated air guide and beam shaping
CN109154429A (en) 2016-04-22 2019-01-04 飞利浦照明控股有限公司 Integrated air guidance and beam-shaping
JP6775693B2 (en) * 2017-03-02 2020-10-28 シグニファイ ホールディング ビー ヴィＳｉｇｎｉｆｙ Ｈｏｌｄｉｎｇ Ｂ．Ｖ． Lighting equipment with a light guide
CN113031341B (en) * 2021-03-12 2023-01-20 业成科技（成都）有限公司 Light emitting diode light source assembly and reflection structure and display structure thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2358512A (en) * 2000-01-18 2001-07-25 Screen Technology Ltd Production of a collimated beam
DE10302563A1 (en) * 2003-01-22 2004-07-29 Karl Jungbecker Gmbh & Co Device for deblinding an illuminating device is made from a thermoplastic material produced by hot embossing or injection molding
US7494246B2 (en) * 2007-06-06 2009-02-24 Philips Lumileds Lighting Company, Llc Thin luminaire for general lighting applications
EP2163807A1 (en) * 2007-06-22 2010-03-17 Opto Design, Inc. Surface illuminating light source device and surface illuminating device
WO2011059100A1 (en) * 2009-11-16 2011-05-19 株式会社オプトデザイン Surface light source unit, surface illumination device, and liquid crystal display device
US20110227507A1 (en) * 2010-03-18 2011-09-22 Glp German Light Products Gmbh Illumination apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08153405A (en) * 1994-06-21 1996-06-11 Nakaya:Kk Planar light source
JP2003123526A (en) * 2001-10-17 2003-04-25 Tootasu Japan:Kk Surface light source uniformizing device
US6974229B2 (en) * 2003-05-21 2005-12-13 Lumileds Lighting U.S., Llc Devices for creating brightness profiles
JP4280283B2 (en) * 2006-01-27 2009-06-17 株式会社オプトデザイン Surface illumination light source device and surface illumination device using the same
JP5113573B2 (en) * 2008-03-24 2013-01-09 パナソニック株式会社 LED lighting device
WO2011155537A1 (en) * 2010-06-08 2011-12-15 株式会社オプトデザイン Planar light source device and illumination apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2358512A (en) * 2000-01-18 2001-07-25 Screen Technology Ltd Production of a collimated beam
DE10302563A1 (en) * 2003-01-22 2004-07-29 Karl Jungbecker Gmbh & Co Device for deblinding an illuminating device is made from a thermoplastic material produced by hot embossing or injection molding
US7494246B2 (en) * 2007-06-06 2009-02-24 Philips Lumileds Lighting Company, Llc Thin luminaire for general lighting applications
EP2163807A1 (en) * 2007-06-22 2010-03-17 Opto Design, Inc. Surface illuminating light source device and surface illuminating device
WO2011059100A1 (en) * 2009-11-16 2011-05-19 株式会社オプトデザイン Surface light source unit, surface illumination device, and liquid crystal display device
US20110227507A1 (en) * 2010-03-18 2011-09-22 Glp German Light Products Gmbh Illumination apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014013745A1 *

Also Published As

Publication number Publication date
EP2875278A1 (en) 2015-05-27
JP2015521780A (en) 2015-07-30
WO2014013745A1 (en) 2014-01-23

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Legal Events

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RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20150826

RIC1 Information provided on ipc code assigned before grant

Ipc: F21V 11/14 20060101ALI20150820BHEP

Ipc: F21Y 101/02 20060101ALI20150820BHEP

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