Patents for F21V 8 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems (27,053)
04/1992
04/22/1992EP0481646A2 A colour sequential illumination system
04/22/1992CN2102440U Solar optical guide light collecting lighting device
04/21/1992US5106181 Optical waveguide display system
04/21/1992CA1299157C Illuminating apparatus
04/16/1992DE4032658A1 Fail=safe medical code light projector - uses regulator for automatic switching in of back=up lamp upon failure of main lamp
04/14/1992US5104608 Programmable Christmas tree
04/08/1992EP0414790A4 Illuminated decorations for furnishings and other like structures
04/07/1992US5103381 Flashlight
04/07/1992US5102227 Lighting and detection system
04/02/1992DE4037076C1 Lightweight lighting box giving uniform beam - including transparent, wedge-shaped reflecting member directed towards illuminating member, etc.
04/01/1992EP0478105A2 Fiber optic backlighting panel
04/01/1992EP0478102A2 Faceted light pipe
03/1992
03/31/1992US5101325 Uniform illumination of large, thin surfaces particularly suited for automotive applications
03/28/1992CA2035301A1 Faceted light pipe
03/24/1992US5099399 High efficiency fiber optics illuminator with thermally controlled light guide bushing
03/21/1992WO1992005535A1 A display system
03/19/1992WO1992004648A1 Element of plane source of light
03/19/1992WO1992004400A1 Plastic optical member having light diffusing layer on surface, and light quantity control member
03/19/1992CA2068422A1 Surface light source element
03/17/1992US5097396 Fiber optic backlighting panel
03/17/1992CA1297291C Illuminated board
03/11/1992EP0473989A1 Light beam irradiation apparatus and method
03/10/1992US5095415 Light fixture for externally illuminated sign
03/05/1992DE4027771A1 Illuminated sign - has additional outlet with light-conductor inlaid in housing
03/03/1992US5093765 Back lighting device for a panel
03/03/1992US5093763 Photographic lighting apparatus
02/1992
02/20/1992DE4025642A1 Decorative plate with glass plate
02/06/1992WO1992002006A1 Liquid crystal displays
02/06/1992WO1992001960A1 Tapered optical waveguides for uniform energy distribution including energy bridging
02/05/1992EP0469321A2 Back-light type liquid crystal display
02/04/1992US5086378 Fiber optic finger light
01/1992
01/22/1992EP0467542A2 Radiation-emitting panels and display assemblies
01/21/1992US5083242 Illuminated underwater writing tablet
01/21/1992US5083240 Light guide
01/09/1992WO1992000535A1 Fiber optic lamp
01/07/1992US5079683 Appartaus for producing light distributions
01/07/1992US5079675 Surface illuminating apparatus
12/1991
12/31/1991US5076660 Light source receptacle for fiberoptic illumination
12/27/1991EP0462361A1 Surface light source device
12/24/1991US5075824 LCD/light wedge module
12/24/1991US5075716 Apparatus and method for precisely exposing radiation sensitive materials
12/24/1991US5074632 Fiber optic diffusers and methods for manufacture of the same
12/10/1991US5072338 Inspection/detection system with a laser module for use in forensic applications
12/03/1991US5070431 Display board illuminating device for passive displays
12/03/1991CA1292768C Flat fluorescent lamp for liquid crystal display
11/1991
11/28/1991WO1991018310A1 Optical fibre holder and lighting units incorporating same
11/27/1991EP0458096A1 Fibre-optic ring light
11/27/1991EP0458075A1 Decorative panel
11/21/1991EP0457009A2 Light reflective body, method of manufacturing the same, and use for the same
11/21/1991EP0456656A1 Radiation-emitting panels and display assemblies.
11/19/1991US5067059 Aquarium ornament lamp source
11/19/1991US5066085 Fiber optic curtain
11/13/1991CN2088642U Composite optic fibre solar energy collector
11/12/1991US5064276 Light source for planar illumination in liquid crystal device
11/07/1991DE4014363A1 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
11/06/1991EP0455466A2 Decorative light fittings
11/05/1991US5063599 Electronic image lift
11/05/1991US5063484 Remote control unit
11/05/1991US5063461 Packaging of components for image lift
10/1991
10/29/1991US5061995 Apparatus and method for selecting fiber optic bundles in a borescope
10/23/1991EP0453092A1 Uniform illumination of large, thin surfaces particularly suited for automotive applications
10/22/1991US5060119 Light pipe for decorative illumination
10/20/1991WO1991016570A1 Apparatus for producing light distributions
10/20/1991CA2079875A1 Apparatus for producing light distributions
10/15/1991US5057974 System for uniformly illuminating liquid crystal display board from rear side
10/15/1991US5056892 Totally internally reflecting thin, flexible film
10/09/1991EP0450149A1 Fiber optic diffusers and method for manufacture of the same
10/09/1991EP0450115A1 Illuminating device having non-absorptive variable transmissivity cover
10/09/1991EP0450032A1 Electronic image lift
10/08/1991US5055979 Gas discharge light source
10/08/1991US5055978 Uniform light source
10/01/1991US5053929 Device for illuminating a bundle of optical fibers
10/01/1991US5053928 Light guide
09/1991
09/26/1991DE4009513A1 Leuchtbild Light effects
09/25/1991EP0448501A1 Luminous ring for cigar lighters in automotive vehicles
09/24/1991US5051872 Hemispherical non-glare illuminator
09/24/1991US5050946 Faceted light pipe
09/18/1991EP0446692A1 Lighting device using lightguides, especially for cold rooms and explosion-proof rooms
09/18/1991EP0446365A1 Water discharging apparatus
09/18/1991EP0446324A1 Backlighting apparatus.
09/18/1991CN2085024U Lighting device using square wedge channel to form light band
09/18/1991CN1054669A Fiber optic diffusers and method for manufacture of same
09/17/1991US5050047 Assemblies and apparatus for lighting especially spotlighting
09/17/1991US5050046 Surface lighting apparatus
09/12/1991DE4007218A1 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
09/12/1991DE3926442A1 Magnifying glass illumination system - uses lamps contained in annular channel in underside of housing enclosing magnifying lens
09/11/1991CN2084556U Multi-picture ball desk lamp
09/10/1991US5046826 Illuminator and display panel employing the illuminator
09/10/1991US5046805 Tapered optical waveguides for uniform energy (light) distribution including energy bridging
09/03/1991CA1288406C Illuminating device having non-absorptive variable transmissivity cover
09/03/1991CA1288265C Method and apparatus for controlled emission of light from prism light guide
08/1991
08/27/1991US5043850 Direction dependent line light source
08/27/1991US5042900 Connector assemblies for optical fiber light cables
08/27/1991US5042894 Fiber optic lighting system
08/27/1991US5042892 Fiber optic light panel
08/21/1991WO1991013288A1 Products incorporating piezoelectric material
08/21/1991EP0442529A2 Back lighting device for a panel
08/21/1991CA2073691A1 Products incorporating piezoelectric material
08/20/1991US5040883 Light fixture with beam shaping lens
08/13/1991US5040098 Backlight for an electronic display