FR2440010A1 - Instrument d'optique pour la concentration et la distribution de la lumiere - Google Patents
Instrument d'optique pour la concentration et la distribution de la lumiereInfo
- Publication number
- FR2440010A1 FR2440010A1 FR7926578A FR7926578A FR2440010A1 FR 2440010 A1 FR2440010 A1 FR 2440010A1 FR 7926578 A FR7926578 A FR 7926578A FR 7926578 A FR7926578 A FR 7926578A FR 2440010 A1 FR2440010 A1 FR 2440010A1
- Authority
- FR
- France
- Prior art keywords
- light
- concentration
- distribution
- optical instrument
- fireplace
- 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.)
- Granted
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
- G02B6/0013—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
- G02B6/002—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
- G02B6/0021—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/28—Structurally-combined illuminating devices
-
- 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
- G02B6/0048—Tapered light guide, e.g. wedge-shaped light guide with stepwise taper
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
-
- 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
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/18—Edge-illuminated signs
- G09F2013/1804—Achieving homogeneous illumination
Abstract
INSTRUMENT OPTIQUE POUR LA CONCENTRATION ET LA DISTRIBUTION DE LA LUMIERE DANS UN AFFICHAGE PASSIF. IL COMPREND UNE TETE CYLINDRIQUE 10 DE MATERIAU TRANSPARENT DONT UNE PARTIE ELLIPTIQUE REFLECHISSANTE 12 RECOIT UNE SOURCE LUMINEUSE EN UN FOYER F ET DONT UNE PARTIE CIRCULAIRE REFLECHISSANTE 16 A POUR CENTRE L'AUTRE FOYER F. LA TETE 10 COOPERE PAR COUPLAGE OPTIQUE AVEC UNE PLAQUETTE 20 DU MEME MATERIAU DONT UNE FACE 24 TOURNEE VERS L'AFFICHAGE 70 EST DIFFUSANTE ET LA FACE OPPOSEE 25 REFLECHISSANTE. L'INVENTION PEUT ETRE UTILISEE POUR LES AFFICHAGES OPTO-ELECTRONIQUES PASSIFS, PAR EXEMPLE A CRISTAUX LIQUIDES.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/954,010 US4252416A (en) | 1978-10-23 | 1978-10-23 | Optical instrument for gathering and distribution of light |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2440010A1 true FR2440010A1 (fr) | 1980-05-23 |
FR2440010B1 FR2440010B1 (fr) | 1983-10-14 |
Family
ID=25494823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7926578A Granted FR2440010A1 (fr) | 1978-10-23 | 1979-10-22 | Instrument d'optique pour la concentration et la distribution de la lumiere |
Country Status (5)
Country | Link |
---|---|
US (1) | US4252416A (fr) |
JP (1) | JPS5559488A (fr) |
DE (1) | DE2942655A1 (fr) |
FR (1) | FR2440010A1 (fr) |
GB (1) | GB2034952B (fr) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4367519A (en) * | 1980-05-15 | 1983-01-04 | Science Applications, Inc. | Vessel navigation lights |
JPS6093992U (ja) * | 1983-12-05 | 1985-06-26 | 市光工業株式会社 | インジケ−タランプ |
JPS612685U (ja) * | 1984-06-12 | 1986-01-09 | 株式会社 ワコム | 液晶パネルデイスプレイ |
JPS6134583A (ja) * | 1984-07-26 | 1986-02-18 | シャープ株式会社 | 照明装置 |
JP2823156B2 (ja) * | 1985-07-23 | 1998-11-11 | キヤノン株式会社 | ディスプレイ装置 |
JPS6229003A (ja) * | 1985-07-30 | 1987-02-07 | 株式会社トキメック | 背面反射式光拡散装置 |
US4721366A (en) * | 1985-10-07 | 1988-01-26 | Rca Corporation | Illumination of a liquid crystal display |
US4755035A (en) * | 1986-02-25 | 1988-07-05 | Motorola, Inc. | Display assembly for LCD's |
EP0371073B1 (fr) * | 1987-09-09 | 1992-06-17 | Heinz-Jürgen FANDRICH | Dispositif compose d'une plaque de guidage de lumiere |
US5046826A (en) * | 1987-09-19 | 1991-09-10 | Canon Kabushiki Kaisha | Illuminator and display panel employing the illuminator |
US5054885A (en) * | 1988-10-11 | 1991-10-08 | Minnesota Mining And Manfuacturing Company | Light fixture including a partially collimated beam of light and reflective prisms having peaks lying on a curved surface |
US5390276A (en) * | 1992-10-08 | 1995-02-14 | Briteview Technologies | Backlighting assembly utilizing microprisms and especially suitable for use with a liquid crystal display |
US5499165A (en) * | 1992-10-08 | 1996-03-12 | Holmes, Jr.; Lawrence | Transparent edge-lit lighting pane for displays |
BE1007433A3 (nl) * | 1993-07-30 | 1995-06-13 | Philips Electronics Nv | Platte beeldweergeefinrichting, belichtingsstelsel en stralingsbron geschikt voor toepassing in een dergelijke platte beeldweergeefinrichting. |
US6313892B2 (en) | 1993-10-05 | 2001-11-06 | Teledyne Lighting And Display Products, Inc. | Light source utilizing reflective cavity having sloped side surfaces |
DE69427864T2 (de) * | 1993-10-05 | 2002-07-04 | Teledyne Lighting & Display | Lichtquelle für hintergrundsbeleuchtung |
US5440197A (en) * | 1993-10-05 | 1995-08-08 | Tir Technologies, Inc. | Backlighting apparatus for uniformly illuminating a display panel |
US5555329A (en) * | 1993-11-05 | 1996-09-10 | Alliesignal Inc. | Light directing optical structure |
DE19521254A1 (de) * | 1994-06-24 | 1996-01-04 | Minnesota Mining & Mfg | Anzeigesystem mit Helligkeitsverstärkungsfilm |
JPH1020384A (ja) | 1996-07-03 | 1998-01-23 | Nikon Corp | 機能表示装置 |
US6473554B1 (en) | 1996-12-12 | 2002-10-29 | Teledyne Lighting And Display Products, Inc. | Lighting apparatus having low profile |
US6007209A (en) * | 1997-03-19 | 1999-12-28 | Teledyne Industries, Inc. | Light source for backlighting |
US6879354B1 (en) * | 1997-03-28 | 2005-04-12 | Sharp Kabushiki Kaisha | Front-illuminating device and a reflection-type liquid crystal display using such a device |
US5997155A (en) * | 1997-03-31 | 1999-12-07 | Physical Sciences, Inc. | Integrating projection optic |
JPH11258602A (ja) * | 1998-03-06 | 1999-09-24 | Enplas Corp | サイドライト型面光源装置及び液晶表示装置 |
US6166787A (en) * | 1998-03-17 | 2000-12-26 | Motorola, Inc. | Optical display device having prismatic film for enhanced viewing |
US6134092A (en) * | 1998-04-08 | 2000-10-17 | Teledyne Lighting And Display Products, Inc. | Illumination device for non-emissive displays |
US6285425B1 (en) | 1998-06-29 | 2001-09-04 | Motorola, Inc. | Ridged reflector for an optical display having a curved and a planar facet for each ridge |
US6285426B1 (en) | 1998-07-06 | 2001-09-04 | Motorola, Inc. | Ridged reflector having optically transmissive properties for an optical display device |
NZ509329A (en) | 1998-08-24 | 2002-08-28 | Zumtobel Staff Gmbh | Light unit with a light-guiding element |
AU2002365757A1 (en) * | 2001-11-30 | 2003-06-17 | Equity Industries Corp. | Clocks with diffusion reflector lighting |
US7443462B2 (en) * | 2003-09-23 | 2008-10-28 | Yao-Der Huang | Light guide plate structure with inlaid block-shaped light scattering elements protruding out bottom and back light module |
US9337373B2 (en) | 2007-05-01 | 2016-05-10 | Morgan Solar Inc. | Light-guide solar module, method of fabrication thereof, and panel made therefrom |
KR101487896B1 (ko) | 2007-05-01 | 2015-01-29 | 모르간 솔라 아이엔씨. | 광-가이드 태양 전지판 및 그 제작 방법 |
US9040808B2 (en) * | 2007-05-01 | 2015-05-26 | Morgan Solar Inc. | Light-guide solar panel and method of fabrication thereof |
US8885995B2 (en) | 2011-02-07 | 2014-11-11 | Morgan Solar Inc. | Light-guide solar energy concentrator |
TWI553358B (zh) * | 2011-12-23 | 2016-10-11 | 鴻海精密工業股份有限公司 | 導光板及採用該導光板之背光模組 |
US8328403B1 (en) | 2012-03-21 | 2012-12-11 | Morgan Solar Inc. | Light guide illumination devices |
JP5937032B2 (ja) * | 2013-03-21 | 2016-06-22 | 株式会社東海理化電機製作所 | 表示装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2831453A (en) * | 1956-07-26 | 1958-04-22 | George K C Hardesty | Illuminated panel, dial and/or pointer by geometrical surfaces |
FR1431406A (fr) * | 1965-04-09 | 1966-03-11 | Quarzlampen Gmbh | Dispositif pour diriger une lumière dans un faisceau de fils de verre |
US3491245A (en) * | 1967-04-10 | 1970-01-20 | George K C Hardesty | Guided light display panel |
US3546438A (en) * | 1967-05-25 | 1970-12-08 | Farrington Electronics Inc | Illumination system |
US4043636A (en) * | 1974-12-23 | 1977-08-23 | Intel Corporation | Illumination-panel for liquid crystal display of similar device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3840695A (en) * | 1972-10-10 | 1974-10-08 | Westinghouse Electric Corp | Liquid crystal image display panel with integrated addressing circuitry |
US3864905A (en) * | 1973-11-14 | 1975-02-11 | Hoffmann La Roche | Horological instrument incorporating means for illuminating a liquid crystal display |
US3994564A (en) * | 1975-03-31 | 1976-11-30 | Hughes Aircraft Company | Light pipe reflector for use in liquid crystal or other display |
-
1978
- 1978-10-23 US US05/954,010 patent/US4252416A/en not_active Expired - Lifetime
-
1979
- 1979-10-22 GB GB7936552A patent/GB2034952B/en not_active Expired
- 1979-10-22 FR FR7926578A patent/FR2440010A1/fr active Granted
- 1979-10-22 DE DE19792942655 patent/DE2942655A1/de not_active Withdrawn
- 1979-10-23 JP JP13604579A patent/JPS5559488A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2831453A (en) * | 1956-07-26 | 1958-04-22 | George K C Hardesty | Illuminated panel, dial and/or pointer by geometrical surfaces |
FR1431406A (fr) * | 1965-04-09 | 1966-03-11 | Quarzlampen Gmbh | Dispositif pour diriger une lumière dans un faisceau de fils de verre |
US3491245A (en) * | 1967-04-10 | 1970-01-20 | George K C Hardesty | Guided light display panel |
US3546438A (en) * | 1967-05-25 | 1970-12-08 | Farrington Electronics Inc | Illumination system |
US4043636A (en) * | 1974-12-23 | 1977-08-23 | Intel Corporation | Illumination-panel for liquid crystal display of similar device |
Also Published As
Publication number | Publication date |
---|---|
JPS5559488A (en) | 1980-05-02 |
GB2034952B (en) | 1982-09-02 |
US4252416A (en) | 1981-02-24 |
GB2034952A (en) | 1980-06-11 |
FR2440010B1 (fr) | 1983-10-14 |
DE2942655A1 (de) | 1980-04-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |