DE69307517D1 - Verteilt beleuchtungsvorrichtung - Google Patents

Verteilt beleuchtungsvorrichtung

Info

Publication number
DE69307517D1
DE69307517D1 DE69307517T DE69307517T DE69307517D1 DE 69307517 D1 DE69307517 D1 DE 69307517D1 DE 69307517 T DE69307517 T DE 69307517T DE 69307517 T DE69307517 T DE 69307517T DE 69307517 D1 DE69307517 D1 DE 69307517D1
Authority
DE
Germany
Prior art keywords
layer
lighting device
guide
light
distributed 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.)
Expired - Lifetime
Application number
DE69307517T
Other languages
English (en)
Inventor
Francois Parmentier
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE69307517D1 publication Critical patent/DE69307517D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G02B6/005—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
    • 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
    • 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
    • G02B6/0013—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
    • G02B6/0013—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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
DE69307517T 1992-07-27 1993-07-27 Verteilt beleuchtungsvorrichtung Expired - Lifetime DE69307517D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9209251A FR2694069B1 (fr) 1992-07-27 1992-07-27 Dispositif d'éclairage réparti.
PCT/FR1993/000765 WO1994002777A1 (fr) 1992-07-27 1993-07-27 Dispositif d'eclairage reparti

Publications (1)

Publication Number Publication Date
DE69307517D1 true DE69307517D1 (de) 1997-02-27

Family

ID=9432301

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69307517T Expired - Lifetime DE69307517D1 (de) 1992-07-27 1993-07-27 Verteilt beleuchtungsvorrichtung

Country Status (6)

Country Link
EP (1) EP0653038B1 (de)
JP (1) JPH07509337A (de)
AT (1) ATE147844T1 (de)
DE (1) DE69307517D1 (de)
FR (1) FR2694069B1 (de)
WO (2) WO1994002778A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2727841A1 (fr) * 1994-12-09 1996-06-14 Lalloz Benoit Panneau de mobilier ou de decoration, notamment plateau de table, tablette de vitrine ou analogues
US6974220B2 (en) 2002-12-12 2005-12-13 Siemens Vdo Automotive Corporation Bright pointer for instrument cluster
US7048397B2 (en) 2003-05-13 2006-05-23 Siemens Vdo Automotive Corporation Illumination of gauge indicator scale
FR3017468B1 (fr) * 2014-02-10 2016-02-19 Saint Gobain Ensemble vitre lumineux.
BR112016019046A2 (pt) * 2014-02-10 2017-08-15 Saint Gobain Conjunto vítreo luminoso
FR3017332B1 (fr) 2014-02-10 2016-02-19 Saint Gobain Vitrage lumineux avec isolateur optique.
FR3023213B1 (fr) * 2014-07-03 2016-07-29 Saint Gobain Ensemble vitre lumineux.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6155684A (ja) * 1984-08-27 1986-03-20 三菱レイヨン株式会社 光拡散装置
GB2196100B (en) * 1986-10-01 1990-07-04 Mitsubishi Rayon Co Light diffusing device
FR2620795B1 (fr) * 1987-09-18 1992-02-28 Courageux Claude Diffuseur de lumiere
US5101325A (en) * 1990-03-20 1992-03-31 General Electric Company Uniform illumination of large, thin surfaces particularly suited for automotive applications
EP0457009A3 (en) * 1990-05-17 1992-03-18 Nissen Kagakukogyo K.K. Light reflective body, method of manufacturing the same, and use for the same

Also Published As

Publication number Publication date
FR2694069B1 (fr) 1994-11-04
WO1994002778A1 (fr) 1994-02-03
WO1994002777A1 (fr) 1994-02-03
ATE147844T1 (de) 1997-02-15
EP0653038A1 (de) 1995-05-17
EP0653038B1 (de) 1997-01-15
JPH07509337A (ja) 1995-10-12
FR2694069A1 (fr) 1994-01-28

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Legal Events

Date Code Title Description
8332 No legal effect for de