Patents for F21V 8 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems (27,053) |
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08/21/1997 | CA2251538A1 Optical coupler |
08/20/1997 | EP0789857A1 Illumination system for a flat-panel picture display device |
08/20/1997 | EP0789854A1 Hollow light guide for diffuse light |
08/20/1997 | EP0764284A4 White light dimmer for fiber optic illumination sources |
08/19/1997 | US5659643 Notched fiber array illumination device |
08/19/1997 | US5659410 Surface light source device and liquid crystal display |
08/19/1997 | US5658070 Method of varying luminous intensity of light in an illumination system |
08/14/1997 | WO1997029398A1 Surface light source device, liquid crystal display and asymmetric prism sheet |
08/12/1997 | US5655832 Radiant energy redirecting system |
08/12/1997 | US5655827 Surface light source device |
08/07/1997 | WO1997028524A1 Multi-storey building decoration |
08/07/1997 | WO1997028403A1 Surface light source element and liquid crystal display device, sign device and traffic control sign device using same |
08/06/1997 | EP0788000A2 Coated internally reflecting optical element |
08/06/1997 | EP0787942A2 Light source device for liquid crystal display using a light guide plate |
08/06/1997 | EP0787316A1 Illumination system for a flat-panel picture display device |
08/06/1997 | EP0787271A1 Illumination system employing an array of multi-faceted microprisms |
08/05/1997 | US5654779 Liquid crystal display device having a removable holding member for the light source |
07/31/1997 | WO1997027423A1 Conspicuity marking system |
07/31/1997 | DE19602616A1 Equipment generating coloured dynamic lighting effects |
07/31/1997 | CA2242233A1 Conspicuity marking system |
07/30/1997 | EP0786623A1 Device for providing a room with anti-glare diffuse sun-light |
07/24/1997 | WO1997026584A1 A color separating backlight |
07/24/1997 | WO1997026573A1 Side lighting optical conduit |
07/24/1997 | DE19639923A1 Illumination device for magnetic resonance device |
07/24/1997 | CA2241838A1 Side lighting optical conduit |
07/23/1997 | EP0785458A1 Surface light source and liquid crystal display |
07/23/1997 | EP0746787A4 Tapered multilayer luminaire devices |
07/22/1997 | US5650865 Holographic backlight for flat panel displays |
07/22/1997 | US5649755 Elongated, decorative, flexible, light-transmitting assembly |
07/22/1997 | US5649754 Illuminating apparatus and a method of manufacturing an edge light conductor for use therein |
07/17/1997 | DE19653341A1 Fibre=optics lighting system, esp. for sauna or steam bath |
07/16/1997 | EP0783712A1 Self-contained lighted marking device |
07/16/1997 | EP0783649A1 High efficiency compact illumination system |
07/16/1997 | EP0783648A1 Luminance control film |
07/16/1997 | EP0677160B1 Pole light having a programmable footprint |
07/15/1997 | US5648858 Liquid crystal display which suppresses interference fringes |
07/15/1997 | US5647658 Fiber-optic lighting system |
07/15/1997 | US5647656 Illuminated fluid level indicator |
07/15/1997 | US5647655 Back lighting device |
07/10/1997 | WO1997024553A1 Supporting structure for a prism light guide |
07/10/1997 | CA2241858A1 Supporting structure for a prism light guide |
07/08/1997 | US5645337 Apertured fluorescent illumination device for backlighting an image plane |
07/08/1997 | US5645336 For analyzing volatile components of a liquid |
07/03/1997 | DE19547267A1 Pressurised water- and gas-tight radiator esp. for fibre=optics illuminations |
07/02/1997 | EP0781959A1 Transparent display with diffuser-backed microtextured illuminating device and method of manufacture therefor |
06/26/1997 | WO1997022905A1 Efficient led light geometry for optical printers |
06/26/1997 | WO1997022834A1 Illumination assembly for providing a polarized light source |
06/26/1997 | CA2213268A1 Efficient led light geometry for optical printers |
06/25/1997 | EP0780265A2 Vehicle rear light |
06/24/1997 | US5641219 Uniform illumination light emitting device |
06/24/1997 | US5640792 Lighting fixtures |
06/17/1997 | US5640483 Backlighting system utilizing total internal reflection |
06/17/1997 | US5639443 Stabilized microbubble compositions |
06/17/1997 | US5639153 Light head assembly with remote light source |
06/12/1997 | DE19545700A1 Informative light with several meanings |
06/11/1997 | EP0778484A2 Illumination device and liquid crystal apparatus including same |
06/11/1997 | EP0778440A2 Backlighting device and color display device |
06/11/1997 | EP0712299B1 Dental plugger |
06/11/1997 | CN1151567A Electronic optical fibre screen with variable brightness and colour |
06/10/1997 | US5638151 Self-contained electroluminescent back-lit clap board/slate having an LCD clock display |
06/10/1997 | US5636915 High brightness projection lighting system |
06/10/1997 | US5636914 Illuminated panel device |
06/05/1997 | WO1997020170A1 Uniform bi-directional dependent line light source via controlled partial reflection |
06/05/1997 | WO1997020169A1 Universal remote lighting system |
06/05/1997 | WO1997019720A1 Portable light for adjusting circadian rhythm |
06/05/1997 | DE19649918A1 Flüssigkristall-Anzeigeeinrichtung A liquid crystal display device |
06/04/1997 | EP0716766B1 Display device comprising means for converting a laser beam into visible, incoherent light |
06/04/1997 | EP0648321B1 Light diffusion member associated with a light source comprising a series of individual elements |
05/29/1997 | WO1997019293A1 Fiber optic lighting system |
05/28/1997 | CN1035028C Backlighting device for liquid crystal device |
05/27/1997 | CA2109282C Thermally insulated distributed light network from a central light source |
05/20/1997 | US5631994 Optical elements which have optically smooth surfaces disposed at an angle relative to the base surface; coating layer has refractive index lower than the refractive index of overlay |
05/15/1997 | WO1997017689A1 Luminescent panel |
05/15/1997 | WO1997017631A1 Illuminator, liquid crystal display using the illuminator and electronic device |
05/15/1997 | DE19541971A1 Lighting plate with edge illuminating lighting discs |
05/14/1997 | EP0773402A2 Panel for surface light source device |
05/13/1997 | US5629996 Universal remote lighting system with nonimaging total internal reflection beam transformer |
05/13/1997 | US5628559 For shadowless illumination of an object under inspection |
05/13/1997 | CA2121653C Optical fiber light emitting apparatus |
05/09/1997 | WO1997016755A1 A light conducting plate, method for making the same and using thereof |
05/09/1997 | CA2236260A1 A light conducting plate, method for making the same and using thereof |
05/07/1997 | EP0772062A2 Light-diffusing device for an optical fiber, methods of producing and using same, and apparatus for diffusing light from an optical fiber |
05/07/1997 | DE19540368A1 Secondary external lamp for street lighting |
05/07/1997 | CN1149349A Balustrade information display for a passenger conveying device |
05/06/1997 | US5627926 Prism plate for efficiently emitting light flux within a predetermined range, and liquid crystal indicator and indicator illumination method using the same |
05/06/1997 | US5627470 Magnetic resonance apparatus with an illumination means |
05/06/1997 | US5626833 Enhancing ultrasound contrast |
05/06/1997 | US5626412 Lighting device for vehicle |
05/06/1997 | US5625968 Edgelit luminaire |
05/02/1997 | EP0770818A2 Illuminator |
04/29/1997 | US5625738 Apparatus for uniformly illuminating a light valve |
04/24/1997 | WO1997014984A1 Totally internally reflecting light conduit |
04/24/1997 | WO1997014981A1 Lighting fitting with a diffuser |
04/24/1997 | WO1997014914A1 Uniform direction dependent line light source |
04/24/1997 | DE19538893A1 Beleuchtungskörper mit einem Diffusor Lighting with a diffuser |
04/23/1997 | EP0769653A1 Light-distributing lens of head lamp for vehicles |
04/23/1997 | EP0769154A1 Light generator for supplying optical fibres |
04/23/1997 | CN1148428A Illumination system employing an array of microprisms |
04/17/1997 | WO1997014075A1 Light-transmitting material, planar light source device and liquid crystal display device |
04/17/1997 | WO1997014065A1 High efficiency prism light guide with confocal parabolic cross section |