DE4228735C2 - Vorrichtung zum Verbessern der Ausleuchtung einer Seitenlichtscheibe - Google Patents
Vorrichtung zum Verbessern der Ausleuchtung einer SeitenlichtscheibeInfo
- Publication number
- DE4228735C2 DE4228735C2 DE4228735A DE4228735A DE4228735C2 DE 4228735 C2 DE4228735 C2 DE 4228735C2 DE 4228735 A DE4228735 A DE 4228735A DE 4228735 A DE4228735 A DE 4228735A DE 4228735 C2 DE4228735 C2 DE 4228735C2
- Authority
- DE
- Germany
- Prior art keywords
- light source
- light
- reflection
- mirror
- apparent
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K11/00—Methods or arrangements for graph-reading or for converting the pattern of mechanical parameters, e.g. force or presence, into electrical signal
-
- 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
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface 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
-
- 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
- G02B6/0065—Manufacturing aspects; Material aspects
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/007—Incandescent lamp or gas discharge lamp
- G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Optical Elements Other Than Lenses (AREA)
Description
10 Seitenlichtscheibe
12 diffuses Reflexionsmuster
13 Abstandsbereich
20 Rückreflexionslamelle
30 Streulamelle
40 Reflexionslamelle
50 Spiegelrahmen
51 Seitenwände
52 Reflexionsspiegel
53 Wandverbindungsstück
54 vertikaler Reflexionsspiegel
60 Aussparung
A linienförmige Lichtquelle
B, B₁, B₂ scheinbare Lichtquelle
Claims (3)
- - mit einer Vorderfläche, einer Rückfläche und einer schmalen Einfallsendfläche,
- - mit einem Reflexionsspiegel (52) und
- - mit einer linienförmigen Lichtquelle (A), die sich auf der Seite der Einfallsendfläche der Seiten lichtscheibe (10) befindet, wobei die Lichtquelle (A) parallel zur Schmalseite der Einfallsendfläche angeordnet ist;
daß der Reflexionsspiegel (52) so von der linienförmigen Lichtquelle (A) beabstandet angeordnet ist, daß er eine scheinbare Lichtquelle (B) durch Spiegelreflexion der linienförmigen Lichtquelle (A) bildet, wobei der Refle xionsspiegel (52) sich unter einem Winkel zur Einfallsend fläche befindet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4244881A DE4244881C2 (de) | 1991-08-29 | 1992-08-28 | Vorrichtung zum Verbessern des Lichtverteilungswirkungsgrades einer Seifenlichtscheibe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3244434A JPH05142535A (ja) | 1991-08-29 | 1991-08-29 | エツジライトパネルの入射光供給装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE4228735A1 DE4228735A1 (de) | 1993-03-04 |
DE4228735C2 true DE4228735C2 (de) | 1996-02-29 |
Family
ID=17118601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4228735A Expired - Fee Related DE4228735C2 (de) | 1991-08-29 | 1992-08-28 | Vorrichtung zum Verbessern der Ausleuchtung einer Seitenlichtscheibe |
Country Status (7)
Country | Link |
---|---|
US (1) | US5410454A (de) |
JP (1) | JPH05142535A (de) |
KR (1) | KR0140191B1 (de) |
DE (1) | DE4228735C2 (de) |
FR (1) | FR2680907B1 (de) |
GB (1) | GB2259359B (de) |
NL (1) | NL9201515A (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19702344A1 (de) * | 1997-01-23 | 1998-07-30 | Zumtobel Licht | Beleuchtungsanordnung für Arbeitsplätze |
DE19920917A1 (de) * | 1999-05-06 | 2000-11-09 | Mannesmann Vdo Ag | Anzeige mit einer Beleuchtungseinheit |
Families Citing this family (87)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5816677A (en) * | 1905-03-01 | 1998-10-06 | Canon Kabushiki Kaisha | Backlight device for display apparatus |
JPH07104290A (ja) * | 1993-09-30 | 1995-04-21 | Sharp Corp | 照明装置およびそれを用いた液晶表示装置 |
DE4436133A1 (de) * | 1994-09-28 | 1996-04-04 | Henri Eber | Einrichtungsgegenstand mit Leuchte |
DE19501129C2 (de) * | 1995-01-03 | 2002-07-18 | Willing Gmbh Dr Ing | Scheibenleuchte |
JPH08201805A (ja) * | 1995-01-31 | 1996-08-09 | Minolta Co Ltd | 液晶表示面の照明構造 |
DE29510238U1 (de) * | 1995-06-23 | 1995-11-02 | Emde Thomas | Fenster |
US6080467A (en) * | 1995-06-26 | 2000-06-27 | 3M Innovative Properties Company | High efficiency optical devices |
DE19536825A1 (de) * | 1995-09-20 | 1997-03-27 | Dsd Dynamisch Statische Displa | Lichtsteuer-Anzeigevorrichtung für transflektiven Betrieb |
US5947578A (en) * | 1995-10-24 | 1999-09-07 | Nu-Tech & Engineering, Inc. | Back lighting device |
US5961197A (en) * | 1995-12-14 | 1999-10-05 | Enplas Corporation | Surface light source device |
JP2945318B2 (ja) * | 1996-01-17 | 1999-09-06 | スタンレー電気株式会社 | 面光源装置 |
GB9620620D0 (en) * | 1996-10-03 | 1996-11-20 | Ici Plc | Illumination system |
US6367179B1 (en) | 1996-04-10 | 2002-04-09 | Bji Energy Solutions, Llc | Illuminated display sign apparatus and method for installing the same |
JP3176317B2 (ja) * | 1996-12-27 | 2001-06-18 | キヤノン株式会社 | 照明装置及び読取装置 |
JPH10185628A (ja) * | 1996-12-24 | 1998-07-14 | Yazaki Corp | 計器構造 |
CN1126001C (zh) * | 1997-02-13 | 2003-10-29 | 联合讯号公司 | 具有光循环以增强亮度的照明*** |
US5913594A (en) * | 1997-02-25 | 1999-06-22 | Iimura; Keiji | Flat panel light source device and passive display device utilizing the light source device |
US5857770A (en) * | 1997-03-24 | 1999-01-12 | Ford Motor Company | Laser illuminated vehicle lighting system utilizing a turning prism |
JP3530876B2 (ja) * | 1997-04-16 | 2004-05-24 | ミノルタ株式会社 | 面発光装置、フィルム画像再生装置及び撮影画像確認装置 |
US6193399B1 (en) | 1997-12-09 | 2001-02-27 | Cooper Automotive Products, Inc. | Optical waveguide structures for vehicle lighting |
US6164805A (en) * | 1998-04-20 | 2000-12-26 | Federal-Mogul World Wide, Inc. | Illuminated door handle for a vehicle |
US6168302B1 (en) | 1997-12-09 | 2001-01-02 | Cooper Automotive Products, Inc. | Hybrid distributed lighting system for a vehicle |
US6224237B1 (en) * | 1998-04-16 | 2001-05-01 | Honeywell International Inc. | Structure for achieving a linear light source geometry |
US6139176A (en) * | 1998-07-02 | 2000-10-31 | Federal-Mogul World Wide, Inc. | Optical waveguide structure with raised or embedded waveguides |
US6430339B1 (en) | 1998-10-15 | 2002-08-06 | Federal-Mogul World Wide, Inc. | Low profile waveguide system |
AU2112200A (en) * | 1998-12-30 | 2000-07-24 | Oseir Oy | Method and device for coupling light sources to a light guide |
US6161939A (en) * | 1999-05-05 | 2000-12-19 | Semperlux Ag | Interior lighting fixture |
DE19942513A1 (de) * | 1999-09-07 | 2001-03-08 | Gerhard Karl | Leuchtkörper für durchleuchtungsfähige Bilder |
JP2001117516A (ja) * | 1999-10-15 | 2001-04-27 | Ichiyosha:Kk | 面発光ディスプレーパネル |
JP2001174815A (ja) * | 1999-12-20 | 2001-06-29 | Nitto Denko Corp | 液晶表示装置 |
US6471388B1 (en) | 1999-12-30 | 2002-10-29 | Bji Energy Solutions Llc | Illumination apparatus for edge lit signs and display |
TW514709B (en) * | 2000-05-04 | 2002-12-21 | Koninkl Philips Electronics Nv | Illumination system and display device |
US6565235B2 (en) * | 2000-10-26 | 2003-05-20 | Cogent Light Technologies Inc. | Folding an arc into itself to increase the brightness of an arc lamp |
TWI235866B (en) | 2000-12-14 | 2005-07-11 | Mitsui Chemicals Inc | Reflector, sidelight type backlighting apparatus and reflector substrate |
DE10117203A1 (de) * | 2000-12-22 | 2002-07-04 | Thomas Emde | Urbanes Möbel |
US7048631B2 (en) * | 2001-09-28 | 2006-05-23 | Igt | Gaming device having a game with a functional refractive light display |
US7128459B2 (en) * | 2001-11-12 | 2006-10-31 | Nidec Copal Corporation | Light-guide plate and method for manufacturing the same |
GB0208533D0 (en) * | 2002-04-13 | 2002-05-22 | Igt Uk Ltd | Entertainment machines |
DE10231502A1 (de) * | 2002-07-12 | 2004-01-22 | Thomas Emde | Fensterelement |
KR100756368B1 (ko) * | 2002-12-05 | 2007-09-10 | 삼성전자주식회사 | 백 라이트 어셈블리 및 이를 갖는 액정표시장치 |
US6945668B1 (en) | 2002-12-13 | 2005-09-20 | Linear Lighting Corp. | Multidirectional transparent panel lighting system |
DE10318159A1 (de) * | 2003-04-17 | 2004-11-25 | Dorma Gmbh + Co. Kg | Karusselltür |
DE10322561B4 (de) * | 2003-05-20 | 2011-06-22 | Isolar Isolierglaserzeugung Ges.M.B.H. | Isolierglaselement mit Lichtrahmen |
US7040774B2 (en) * | 2003-05-23 | 2006-05-09 | Goldeneye, Inc. | Illumination systems utilizing multiple wavelength light recycling |
US6960872B2 (en) * | 2003-05-23 | 2005-11-01 | Goldeneye, Inc. | Illumination systems utilizing light emitting diodes and light recycling to enhance output radiance |
JP4102927B2 (ja) * | 2003-07-31 | 2008-06-18 | カシオ計算機株式会社 | バックライト装置および撮像機器 |
FR2858705B1 (fr) * | 2003-08-05 | 2005-11-11 | Excel Light | Panneau lumineux et application aux ecrans de visualisation du type video |
JP4655465B2 (ja) * | 2003-10-06 | 2011-03-23 | カシオ計算機株式会社 | 面光源及び液晶表示装置 |
DE10347424A1 (de) * | 2003-10-13 | 2005-05-19 | Meiller Aufzugtüren GmbH | Transparente Scheibenanordnung als Element einer Tür, eines Fensters oder einer Wand |
JP2005243346A (ja) * | 2004-02-25 | 2005-09-08 | Citizen Electronics Co Ltd | 両面発光照明装置 |
US7431463B2 (en) * | 2004-03-30 | 2008-10-07 | Goldeneye, Inc. | Light emitting diode projection display systems |
US7497581B2 (en) * | 2004-03-30 | 2009-03-03 | Goldeneye, Inc. | Light recycling illumination systems with wavelength conversion |
US7025464B2 (en) * | 2004-03-30 | 2006-04-11 | Goldeneye, Inc. | Projection display systems utilizing light emitting diodes and light recycling |
US7048385B2 (en) * | 2004-06-16 | 2006-05-23 | Goldeneye, Inc. | Projection display systems utilizing color scrolling and light emitting diodes |
US7370993B2 (en) * | 2004-09-28 | 2008-05-13 | Goldeneye, Inc. | Light recycling illumination systems having restricted angular output |
US20080247172A1 (en) * | 2004-09-28 | 2008-10-09 | Goldeneye, Inc. | Light recycling illumination systems having restricted angular output |
US7352006B2 (en) * | 2004-09-28 | 2008-04-01 | Goldeneye, Inc. | Light emitting diodes exhibiting both high reflectivity and high light extraction |
US7352124B2 (en) * | 2004-09-28 | 2008-04-01 | Goldeneye, Inc. | Light recycling illumination systems utilizing light emitting diodes |
US7331691B2 (en) * | 2004-10-29 | 2008-02-19 | Goldeneye, Inc. | Light emitting diode light source with heat transfer means |
US8681071B2 (en) * | 2005-07-20 | 2014-03-25 | Daniel Deutsch | Lighted multiple panel display |
KR20070016475A (ko) * | 2005-08-04 | 2007-02-08 | 삼성전자주식회사 | 액정표시장치 |
US7293908B2 (en) * | 2005-10-18 | 2007-11-13 | Goldeneye, Inc. | Side emitting illumination systems incorporating light emitting diodes |
US7378686B2 (en) * | 2005-10-18 | 2008-05-27 | Goldeneye, Inc. | Light emitting diode and side emitting lens |
JP4775578B2 (ja) | 2006-10-26 | 2011-09-21 | ミネベア株式会社 | 面状照明装置 |
US7287892B1 (en) * | 2006-10-30 | 2007-10-30 | Avago Technologies Ecbu Ip (Singapore) Pte Ltd | Light source for back-lit displays |
US20100184499A1 (en) * | 2007-02-01 | 2010-07-22 | Ritter Janice E | Electronic Game Device and Method of Using the Same |
CA2698284C (en) * | 2007-09-10 | 2013-06-25 | Banyan Energy, Inc. | Compact optics for concentration, aggregation and illumination of light energy |
US8412010B2 (en) | 2007-09-10 | 2013-04-02 | Banyan Energy, Inc. | Compact optics for concentration and illumination systems |
US7672549B2 (en) * | 2007-09-10 | 2010-03-02 | Banyan Energy, Inc. | Solar energy concentrator |
US7766536B2 (en) * | 2008-02-15 | 2010-08-03 | Lunera Lighting, Inc. | LED light fixture |
DE202009007565U1 (de) * | 2009-05-27 | 2010-10-14 | Hella Kgaa Hueck & Co. | Beleuchtete Anzeigetafel |
US9268082B2 (en) * | 2009-07-09 | 2016-02-23 | Koninklijke Philips N.V. | Free form lighting module |
US20110219648A1 (en) * | 2010-03-12 | 2011-09-15 | Trevor James | Led edge-lit signage utilizing digital print technology |
US8651725B2 (en) * | 2010-09-30 | 2014-02-18 | Global Lighting Technology Inc. | Backlight module |
CN103238091A (zh) | 2010-10-28 | 2013-08-07 | 榕树能量公司 | 用于聚集和照明***的变向光学装置 |
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US8826572B2 (en) | 2012-03-30 | 2014-09-09 | Andy K. F. Kaoh | Adjustable illuminated lottery sign |
CN102748655B (zh) * | 2012-06-11 | 2015-12-09 | 歌尔声学股份有限公司 | 一种侧光式led背光源装置及其实现方法 |
CN103807664A (zh) * | 2012-11-07 | 2014-05-21 | 纬创资通股份有限公司 | 光源模块和制作光源模块的方法 |
US20140268716A1 (en) * | 2013-03-15 | 2014-09-18 | Scott S. Yu | System for the distribution of luminance |
CN104100846A (zh) * | 2013-04-02 | 2014-10-15 | 欧普照明股份有限公司 | 一种照明灯具 |
KR20150066312A (ko) * | 2013-12-06 | 2015-06-16 | 삼성디스플레이 주식회사 | 표시 장치 |
US20150338569A1 (en) * | 2014-05-22 | 2015-11-26 | Jechiel HAIBY | Illuminated panels and method of use |
MX2019010442A (es) | 2017-03-01 | 2020-02-13 | Diebec Matrices Ltee | Bloque troquel, troquel con regla de acero que comprende el mismo y metodo para los mismos. |
USD871795S1 (en) | 2017-04-28 | 2020-01-07 | Lutron Technology Company Llc | Hem bar applied to a window treatment |
USD871105S1 (en) | 2017-05-03 | 2019-12-31 | Lutron Technology Company Llc | Hem bar applied to a window treament |
US10748459B2 (en) | 2017-12-20 | 2020-08-18 | Andy K. F. Kaoh | Reduced cost lottery signs for displaying lottery jackpots of millions and billions of dollars |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2480178A (en) * | 1946-05-08 | 1949-08-30 | Ivan H Zinberg | Light conductor |
DE3634493A1 (de) * | 1986-10-01 | 1988-04-14 | Mitsubishi Rayon Co | Lichtstreueinrichtung |
JPH0190085U (de) * | 1987-12-08 | 1989-06-14 | ||
EP0446692A1 (de) * | 1990-03-15 | 1991-09-18 | Eta Ingenieurgesellschaft Für Energietechnik Und Energieanwendung Mbh | Beleuchtungsvorrichtung mit Lichtleitern, insbesondere für Kühlräume und explosionsgeschützte Räume |
JPH03276185A (ja) * | 1990-03-27 | 1991-12-06 | Meitaku Syst:Kk | 面光源装置 |
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US2524657A (en) * | 1945-12-20 | 1950-10-03 | Paul B Ford | Lighting device |
US2646637A (en) * | 1950-01-26 | 1953-07-28 | Richard N Nierenberg | Device for trans-illuminating transparencies |
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JPH03144381A (ja) * | 1989-10-31 | 1991-06-19 | Mitsubishi Electric Corp | 半導体レーザの検査方法 |
JP3204999B2 (ja) * | 1990-06-26 | 2001-09-04 | 株式会社スタンレー滋賀製作所 | エッジライトパネル |
US5050946A (en) * | 1990-09-27 | 1991-09-24 | Compaq Computer Corporation | Faceted light pipe |
DE4110503C2 (de) * | 1991-03-30 | 1994-12-22 | Triumph Adler Ag | Beleuchtungseinrichtung, insbesondere für Displays von Datenverarbeitungseinrichtungen |
-
1991
- 1991-08-29 JP JP3244434A patent/JPH05142535A/ja active Pending
-
1992
- 1992-08-24 FR FR9210229A patent/FR2680907B1/fr not_active Expired - Fee Related
- 1992-08-24 US US07/934,199 patent/US5410454A/en not_active Expired - Fee Related
- 1992-08-24 KR KR1019920015185A patent/KR0140191B1/ko not_active IP Right Cessation
- 1992-08-27 GB GB9218246A patent/GB2259359B/en not_active Expired - Fee Related
- 1992-08-28 DE DE4228735A patent/DE4228735C2/de not_active Expired - Fee Related
- 1992-08-28 NL NL9201515A patent/NL9201515A/nl not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2480178A (en) * | 1946-05-08 | 1949-08-30 | Ivan H Zinberg | Light conductor |
DE3634493A1 (de) * | 1986-10-01 | 1988-04-14 | Mitsubishi Rayon Co | Lichtstreueinrichtung |
JPH0190085U (de) * | 1987-12-08 | 1989-06-14 | ||
EP0446692A1 (de) * | 1990-03-15 | 1991-09-18 | Eta Ingenieurgesellschaft Für Energietechnik Und Energieanwendung Mbh | Beleuchtungsvorrichtung mit Lichtleitern, insbesondere für Kühlräume und explosionsgeschützte Räume |
JPH03276185A (ja) * | 1990-03-27 | 1991-12-06 | Meitaku Syst:Kk | 面光源装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19702344A1 (de) * | 1997-01-23 | 1998-07-30 | Zumtobel Licht | Beleuchtungsanordnung für Arbeitsplätze |
DE19920917A1 (de) * | 1999-05-06 | 2000-11-09 | Mannesmann Vdo Ag | Anzeige mit einer Beleuchtungseinheit |
Also Published As
Publication number | Publication date |
---|---|
US5410454A (en) | 1995-04-25 |
GB2259359A (en) | 1993-03-10 |
DE4228735A1 (de) | 1993-03-04 |
GB9218246D0 (en) | 1992-10-14 |
NL9201515A (nl) | 1993-03-16 |
FR2680907A1 (fr) | 1993-03-05 |
FR2680907B1 (fr) | 1995-09-29 |
JPH05142535A (ja) | 1993-06-11 |
KR0140191B1 (ko) | 1998-07-01 |
KR930004888A (ko) | 1993-03-23 |
GB2259359B (en) | 1995-10-04 |
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