ATE464586T1 - Beleuchtungssystem mit wiederverwendung des lichts zur erhöhung der helligkeit - Google Patents

Beleuchtungssystem mit wiederverwendung des lichts zur erhöhung der helligkeit

Info

Publication number
ATE464586T1
ATE464586T1 AT98908477T AT98908477T ATE464586T1 AT E464586 T1 ATE464586 T1 AT E464586T1 AT 98908477 T AT98908477 T AT 98908477T AT 98908477 T AT98908477 T AT 98908477T AT E464586 T1 ATE464586 T1 AT E464586T1
Authority
AT
Austria
Prior art keywords
light
light source
illumination system
luminance
reuse
Prior art date
Application number
AT98908477T
Other languages
English (en)
Inventor
Scott Zimmerman
Karl Beeson
Han Zou
Original Assignee
Honeywell Int Inc
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 Honeywell Int Inc filed Critical Honeywell Int Inc
Application granted granted Critical
Publication of ATE464586T1 publication Critical patent/ATE464586T1/de

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
    • 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
    • G02B6/0025—Diffusing sheet or layer; Prismatic 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
    • 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
    • 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)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
AT98908477T 1997-02-13 1998-02-09 Beleuchtungssystem mit wiederverwendung des lichts zur erhöhung der helligkeit ATE464586T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3775497P 1997-02-13 1997-02-13
PCT/US1998/002264 WO1998036315A1 (en) 1997-02-13 1998-02-09 Illumination system with light recycling to enhance brightness

Publications (1)

Publication Number Publication Date
ATE464586T1 true ATE464586T1 (de) 2010-04-15

Family

ID=21896136

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98908477T ATE464586T1 (de) 1997-02-13 1998-02-09 Beleuchtungssystem mit wiederverwendung des lichts zur erhöhung der helligkeit

Country Status (10)

Country Link
US (1) US6144536A (de)
EP (1) EP0960353B1 (de)
JP (1) JP2001511940A (de)
KR (1) KR100518660B1 (de)
CN (1) CN1126001C (de)
AT (1) ATE464586T1 (de)
CA (1) CA2280739C (de)
DE (1) DE69841612D1 (de)
TW (1) TW400438B (de)
WO (1) WO1998036315A1 (de)

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US6869206B2 (en) * 2003-05-23 2005-03-22 Scott Moore Zimmerman Illumination systems utilizing highly reflective light emitting diodes and light recycling to enhance brightness
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Also Published As

Publication number Publication date
US6144536A (en) 2000-11-07
KR100518660B1 (ko) 2005-10-05
CN1252134A (zh) 2000-05-03
WO1998036315A1 (en) 1998-08-20
JP2001511940A (ja) 2001-08-14
CA2280739A1 (en) 1998-08-20
TW400438B (en) 2000-08-01
CN1126001C (zh) 2003-10-29
DE69841612D1 (de) 2010-05-27
KR20000071040A (ko) 2000-11-25
EP0960353A1 (de) 1999-12-01
CA2280739C (en) 2005-12-06
EP0960353B1 (de) 2010-04-14

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