ATE521002T1 - Kompaktes beleuchtungssystem und anzeigeeinrichtung - Google Patents

Kompaktes beleuchtungssystem und anzeigeeinrichtung

Info

Publication number
ATE521002T1
ATE521002T1 AT03747180T AT03747180T ATE521002T1 AT E521002 T1 ATE521002 T1 AT E521002T1 AT 03747180 T AT03747180 T AT 03747180T AT 03747180 T AT03747180 T AT 03747180T AT E521002 T1 ATE521002 T1 AT E521002T1
Authority
AT
Austria
Prior art keywords
light
emitting panel
edge surface
input edge
rear wall
Prior art date
Application number
AT03747180T
Other languages
English (en)
Inventor
Christoph Hoelen
Nicola Pfeffer
Original Assignee
Koninkl Philips Electronics Nv
Philips Lumileds Lighting 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
Application filed by Koninkl Philips Electronics Nv, Philips Lumileds Lighting Co filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE521002T1 publication Critical patent/ATE521002T1/de

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
    • G02B6/0033—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
    • G02B6/0035—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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
    • 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
    • F21Y2105/00—Planar light sources
    • 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
    • G02B6/0055—Reflecting element, sheet or layer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Light Guides In General And Applications Therefor (AREA)
AT03747180T 2002-04-25 2003-03-27 Kompaktes beleuchtungssystem und anzeigeeinrichtung ATE521002T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02076647 2002-04-25
PCT/IB2003/001225 WO2003091771A1 (en) 2002-04-25 2003-03-27 Compact lighting system and display device

Publications (1)

Publication Number Publication Date
ATE521002T1 true ATE521002T1 (de) 2011-09-15

Family

ID=29265967

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03747180T ATE521002T1 (de) 2002-04-25 2003-03-27 Kompaktes beleuchtungssystem und anzeigeeinrichtung

Country Status (9)

Country Link
US (1) US7172328B2 (de)
EP (1) EP1502136B1 (de)
JP (1) JP4156587B2 (de)
KR (1) KR100946228B1 (de)
CN (1) CN1302325C (de)
AT (1) ATE521002T1 (de)
AU (1) AU2003215839A1 (de)
TW (1) TWI307797B (de)
WO (1) WO2003091771A1 (de)

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US7304694B2 (en) 2005-01-12 2007-12-04 Cree, Inc. Solid colloidal dispersions for backlighting of liquid crystal displays
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US7358954B2 (en) 2005-04-04 2008-04-15 Cree, Inc. Synchronized light emitting diode backlighting systems and methods for displays
JP2006339320A (ja) * 2005-05-31 2006-12-14 Omron Corp 発光光源及び発光光源における光の出射方法
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US9084328B2 (en) 2006-12-01 2015-07-14 Cree, Inc. Lighting device and lighting method
US8513875B2 (en) 2006-04-18 2013-08-20 Cree, Inc. Lighting device and lighting method
US7828460B2 (en) 2006-04-18 2010-11-09 Cree, Inc. Lighting device and lighting method
US20090257712A1 (en) * 2006-07-10 2009-10-15 Koninklijke Philips Electronics N.V. Waveguide with asymmetric outcoupling
EP2069839A2 (de) * 2006-10-06 2009-06-17 Qualcomm Mems Technologies, Inc. Leuchtstab mit reflektor
US7551243B2 (en) * 2006-11-21 2009-06-23 Honeywell International Inc. Lens for increased light distribution uniformity in an LCD backlight
US9441793B2 (en) 2006-12-01 2016-09-13 Cree, Inc. High efficiency lighting device including one or more solid state light emitters, and method of lighting
WO2008084420A1 (en) * 2007-01-12 2008-07-17 Koninklijke Philips Electronics N.V. Light-emitting panel having cavities for coupling out light
US10030824B2 (en) 2007-05-08 2018-07-24 Cree, Inc. Lighting device and lighting method
US7863635B2 (en) 2007-08-07 2011-01-04 Cree, Inc. Semiconductor light emitting devices with applied wavelength conversion materials
US7915627B2 (en) * 2007-10-17 2011-03-29 Intematix Corporation Light emitting device with phosphor wavelength conversion
JP5225015B2 (ja) * 2007-10-19 2013-07-03 富士フイルム株式会社 導光板
JP2009199866A (ja) * 2008-02-21 2009-09-03 Hitachi Displays Ltd 液晶表示装置
US8140276B2 (en) 2008-02-27 2012-03-20 Abl Ip Holding Llc System and method for streetlight monitoring diagnostics
US8096671B1 (en) 2009-04-06 2012-01-17 Nmera, Llc Light emitting diode illumination system
US8979349B2 (en) 2009-05-29 2015-03-17 Qualcomm Mems Technologies, Inc. Illumination devices and methods of fabrication thereof
US8921876B2 (en) 2009-06-02 2014-12-30 Cree, Inc. Lighting devices with discrete lumiphor-bearing regions within or on a surface of remote elements
US8651692B2 (en) * 2009-06-18 2014-02-18 Intematix Corporation LED based lamp and light emitting signage
US8354806B2 (en) * 2009-08-21 2013-01-15 Microsoft Corporation Scanning collimation of light via flat panel lamp
US20110044582A1 (en) * 2009-08-21 2011-02-24 Microsoft Corporation Efficient collimation of light with optical wedge
US9275979B2 (en) 2010-03-03 2016-03-01 Cree, Inc. Enhanced color rendering index emitter through phosphor separation
JP2011249020A (ja) * 2010-05-24 2011-12-08 Panasonic Corp 照明装置
JP5323009B2 (ja) * 2010-07-01 2013-10-23 株式会社東芝 液晶表示装置
JP5533611B2 (ja) * 2010-12-03 2014-06-25 日立コンシューマエレクトロニクス株式会社 バックライトユニット及びこれを用いた映像表示装置
US9201185B2 (en) 2011-02-04 2015-12-01 Microsoft Technology Licensing, Llc Directional backlighting for display panels
US11251164B2 (en) 2011-02-16 2022-02-15 Creeled, Inc. Multi-layer conversion material for down conversion in solid state lighting
US9354748B2 (en) 2012-02-13 2016-05-31 Microsoft Technology Licensing, Llc Optical stylus interaction
US9134807B2 (en) 2012-03-02 2015-09-15 Microsoft Technology Licensing, Llc Pressure sensitive key normalization
US9075566B2 (en) 2012-03-02 2015-07-07 Microsoft Technoogy Licensing, LLC Flexible hinge spine
US9870066B2 (en) 2012-03-02 2018-01-16 Microsoft Technology Licensing, Llc Method of manufacturing an input device
US20130300590A1 (en) 2012-05-14 2013-11-14 Paul Henry Dietz Audio Feedback
US9256089B2 (en) 2012-06-15 2016-02-09 Microsoft Technology Licensing, Llc Object-detecting backlight unit
CN104838204A (zh) * 2012-09-20 2015-08-12 汤姆逊许可公司 面板照明系统
WO2014123939A1 (en) * 2013-02-06 2014-08-14 Innotec, Corp. Vehicle visor vanity light and actuator assembly
TWI472815B (zh) * 2013-05-07 2015-02-11 Radiant Opto Electronics Corp Light steering device
US9552777B2 (en) 2013-05-10 2017-01-24 Microsoft Technology Licensing, Llc Phase control backlight
TW201621851A (zh) * 2014-12-12 2016-06-16 泰金寶電通股份有限公司 光源模組

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US5359691A (en) * 1992-10-08 1994-10-25 Briteview Technologies Backlighting system with a multi-reflection light injection system and using microprisms
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Also Published As

Publication number Publication date
JP4156587B2 (ja) 2008-09-24
AU2003215839A8 (en) 2003-11-10
EP1502136A1 (de) 2005-02-02
AU2003215839A1 (en) 2003-11-10
US20050140849A1 (en) 2005-06-30
US7172328B2 (en) 2007-02-06
CN1650202A (zh) 2005-08-03
CN1302325C (zh) 2007-02-28
EP1502136B1 (de) 2011-08-17
JP2005524197A (ja) 2005-08-11
TW200307838A (en) 2003-12-16
WO2003091771A1 (en) 2003-11-06
KR20040104570A (ko) 2004-12-10
KR100946228B1 (ko) 2010-03-09
TWI307797B (en) 2009-03-21

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties