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