Patents for F21V 8 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems (27,053) |
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04/22/1992 | EP0481646A2 A colour sequential illumination system |
04/22/1992 | CN2102440U Solar optical guide light collecting lighting device |
04/21/1992 | US5106181 Optical waveguide display system |
04/21/1992 | CA1299157C Illuminating apparatus |
04/16/1992 | DE4032658A1 Fail=safe medical code light projector - uses regulator for automatic switching in of back=up lamp upon failure of main lamp |
04/14/1992 | US5104608 Programmable Christmas tree |
04/08/1992 | EP0414790A4 Illuminated decorations for furnishings and other like structures |
04/07/1992 | US5103381 Flashlight |
04/07/1992 | US5102227 Lighting and detection system |
04/02/1992 | DE4037076C1 Lightweight lighting box giving uniform beam - including transparent, wedge-shaped reflecting member directed towards illuminating member, etc. |
04/01/1992 | EP0478105A2 Fiber optic backlighting panel |
04/01/1992 | EP0478102A2 Faceted light pipe |
03/31/1992 | US5101325 Uniform illumination of large, thin surfaces particularly suited for automotive applications |
03/28/1992 | CA2035301A1 Faceted light pipe |
03/24/1992 | US5099399 High efficiency fiber optics illuminator with thermally controlled light guide bushing |
03/21/1992 | WO1992005535A1 A display system |
03/19/1992 | WO1992004648A1 Element of plane source of light |
03/19/1992 | WO1992004400A1 Plastic optical member having light diffusing layer on surface, and light quantity control member |
03/19/1992 | CA2068422A1 Surface light source element |
03/17/1992 | US5097396 Fiber optic backlighting panel |
03/17/1992 | CA1297291C Illuminated board |
03/11/1992 | EP0473989A1 Light beam irradiation apparatus and method |
03/10/1992 | US5095415 Light fixture for externally illuminated sign |
03/05/1992 | DE4027771A1 Illuminated sign - has additional outlet with light-conductor inlaid in housing |
03/03/1992 | US5093765 Back lighting device for a panel |
03/03/1992 | US5093763 Photographic lighting apparatus |
02/20/1992 | DE4025642A1 Decorative plate with glass plate |
02/06/1992 | WO1992002006A1 Liquid crystal displays |
02/06/1992 | WO1992001960A1 Tapered optical waveguides for uniform energy distribution including energy bridging |
02/05/1992 | EP0469321A2 Back-light type liquid crystal display |
02/04/1992 | US5086378 Fiber optic finger light |
01/22/1992 | EP0467542A2 Radiation-emitting panels and display assemblies |
01/21/1992 | US5083242 Illuminated underwater writing tablet |
01/21/1992 | US5083240 Light guide |
01/09/1992 | WO1992000535A1 Fiber optic lamp |
01/07/1992 | US5079683 Appartaus for producing light distributions |
01/07/1992 | US5079675 Surface illuminating apparatus |
12/31/1991 | US5076660 Light source receptacle for fiberoptic illumination |
12/27/1991 | EP0462361A1 Surface light source device |
12/24/1991 | US5075824 LCD/light wedge module |
12/24/1991 | US5075716 Apparatus and method for precisely exposing radiation sensitive materials |
12/24/1991 | US5074632 Fiber optic diffusers and methods for manufacture of the same |
12/10/1991 | US5072338 Inspection/detection system with a laser module for use in forensic applications |
12/03/1991 | US5070431 Display board illuminating device for passive displays |
12/03/1991 | CA1292768C Flat fluorescent lamp for liquid crystal display |
11/28/1991 | WO1991018310A1 Optical fibre holder and lighting units incorporating same |
11/27/1991 | EP0458096A1 Fibre-optic ring light |
11/27/1991 | EP0458075A1 Decorative panel |
11/21/1991 | EP0457009A2 Light reflective body, method of manufacturing the same, and use for the same |
11/21/1991 | EP0456656A1 Radiation-emitting panels and display assemblies. |
11/19/1991 | US5067059 Aquarium ornament lamp source |
11/19/1991 | US5066085 Fiber optic curtain |
11/13/1991 | CN2088642U Composite optic fibre solar energy collector |
11/12/1991 | US5064276 Light source for planar illumination in liquid crystal device |
11/07/1991 | DE4014363A1 UV polymerisation appts. having light guide arrangement - has tube of plastics material contg. aq. soln. of di:potassium hydrogen phosphate, sodium di:hydrogen phosphate, or tri:potassium phosphate |
11/06/1991 | EP0455466A2 Decorative light fittings |
11/05/1991 | US5063599 Electronic image lift |
11/05/1991 | US5063484 Remote control unit |
11/05/1991 | US5063461 Packaging of components for image lift |
10/29/1991 | US5061995 Apparatus and method for selecting fiber optic bundles in a borescope |
10/23/1991 | EP0453092A1 Uniform illumination of large, thin surfaces particularly suited for automotive applications |
10/22/1991 | US5060119 Light pipe for decorative illumination |
10/20/1991 | WO1991016570A1 Apparatus for producing light distributions |
10/20/1991 | CA2079875A1 Apparatus for producing light distributions |
10/15/1991 | US5057974 System for uniformly illuminating liquid crystal display board from rear side |
10/15/1991 | US5056892 Totally internally reflecting thin, flexible film |
10/09/1991 | EP0450149A1 Fiber optic diffusers and method for manufacture of the same |
10/09/1991 | EP0450115A1 Illuminating device having non-absorptive variable transmissivity cover |
10/09/1991 | EP0450032A1 Electronic image lift |
10/08/1991 | US5055979 Gas discharge light source |
10/08/1991 | US5055978 Uniform light source |
10/01/1991 | US5053929 Device for illuminating a bundle of optical fibers |
10/01/1991 | US5053928 Light guide |
09/26/1991 | DE4009513A1 Leuchtbild Light effects |
09/25/1991 | EP0448501A1 Luminous ring for cigar lighters in automotive vehicles |
09/24/1991 | US5051872 Hemispherical non-glare illuminator |
09/24/1991 | US5050946 Faceted light pipe |
09/18/1991 | EP0446692A1 Lighting device using lightguides, especially for cold rooms and explosion-proof rooms |
09/18/1991 | EP0446365A1 Water discharging apparatus |
09/18/1991 | EP0446324A1 Backlighting apparatus. |
09/18/1991 | CN2085024U Lighting device using square wedge channel to form light band |
09/18/1991 | CN1054669A Fiber optic diffusers and method for manufacture of same |
09/17/1991 | US5050047 Assemblies and apparatus for lighting especially spotlighting |
09/17/1991 | US5050046 Surface lighting apparatus |
09/12/1991 | DE4007218A1 Liq. filled optical conductor tube - has plastic construction with each end plugged internally and fitted with outer thin-walled sleeve so plugs do not slide out |
09/12/1991 | DE3926442A1 Magnifying glass illumination system - uses lamps contained in annular channel in underside of housing enclosing magnifying lens |
09/11/1991 | CN2084556U Multi-picture ball desk lamp |
09/10/1991 | US5046826 Illuminator and display panel employing the illuminator |
09/10/1991 | US5046805 Tapered optical waveguides for uniform energy (light) distribution including energy bridging |
09/03/1991 | CA1288406C Illuminating device having non-absorptive variable transmissivity cover |
09/03/1991 | CA1288265C Method and apparatus for controlled emission of light from prism light guide |
08/27/1991 | US5043850 Direction dependent line light source |
08/27/1991 | US5042900 Connector assemblies for optical fiber light cables |
08/27/1991 | US5042894 Fiber optic lighting system |
08/27/1991 | US5042892 Fiber optic light panel |
08/21/1991 | WO1991013288A1 Products incorporating piezoelectric material |
08/21/1991 | EP0442529A2 Back lighting device for a panel |
08/21/1991 | CA2073691A1 Products incorporating piezoelectric material |
08/20/1991 | US5040883 Light fixture with beam shaping lens |
08/13/1991 | US5040098 Backlight for an electronic display |