Patents for F21V 8 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems (27,053)
12/1990
12/04/1990US4975809 Autonomous visual-attraction enhancement utilizing edge-illuminated panel
12/04/1990US4975808 Liquid crystal display
12/04/1990US4974354 Visual display device for vehicles
12/04/1990CA1277298C Light source unit
11/1990
11/28/1990EP0399677A1 Pole light providing unique footprint control
11/28/1990EP0399507A2 High-intensity red light display device
11/27/1990US4974122 Compact LCD luminaire
11/22/1990DE3916471A1 Illumination for information carrier - by electroluminescent source of light and optical fibre
11/20/1990US4970815 Light display
11/15/1990WO1990013885A1 Surface display for illuminating background surfaces
11/08/1990DE3914448A1 Anordnung zur ausleuchtung von hintergrundflaechen Arrangement for illumination of hintergrundflaechen
11/08/1990CA2014873A1 Pole light providing unique footprint control
10/1990
10/31/1990CN1046611A Light distribution device
10/30/1990US4967317 Exit sign
10/30/1990US4966450 Light radiation stand
10/25/1990DE3911626A1 MUlti:purpose dental lamp - with two mirror position for general and localised illumination
10/24/1990EP0394099A1 Lighting device for an optical fibre bundle
10/23/1990US4965701 Illumination curtain kit apparatus
10/23/1990US4964692 Fiber bundle illumination system
10/20/1990CA2015035A1 Device for illuminating a bundle of optical fibers
10/17/1990EP0392863A2 Backlight
10/17/1990EP0392022A1 Surface light-emitting ornamental device using optical fibers
10/10/1990CN1046046A Light radiaton stand
10/09/1990US4961617 Fibre optic waveguide illuminating elements
10/04/1990DE3910520A1 Method for producing an optical filter for homogenising an inhomogeneously luminescing surface
10/03/1990CN1045867A Light radiator
09/1990
09/28/1990CA2001840A1 Light radiation stand
09/27/1990DE3908697A1 Illumination device and method for treating an optical fibre of an illumination device
09/26/1990CN1045651A Solar ray collecting device
09/20/1990WO1990010823A1 Light diffuser
09/19/1990EP0388128A2 Apparatus for illuminating an environment which operates below normal ambient temperature
09/18/1990US4958263 Centralized lighting system employing a high brightness light source
09/13/1990CA2009482A1 Light radiator
09/12/1990CN2062011U Timing lighting music art candle
09/11/1990US4955975 Rainbow forming device
09/11/1990CA1273911A1 Liquid outlet adapted to provide lighting effects and/or illumination
09/05/1990CN2061643U Lamplight sources device for plastic fibre-optic products
09/04/1990US4954931 Linear diffuse light source
09/04/1990US4954930 Illumination light guide
09/04/1990US4953549 Light radiator
09/04/1990US4953493 Rattle resistant gearshift position indicator
09/03/1990CA2009481A1 Solar ray collecting device
08/1990
08/28/1990US4952022 Fiber optic line illuminator with deformed end fibers and method of making same
08/23/1990WO1990009676A1 Radiation-emitting panels and display assemblies
08/21/1990US4950202 Toy mailbox
08/21/1990US4949489 Edge-lit multiple image display device
08/21/1990CA1272894A1 Short arc lamp image transformer
08/14/1990US4949227 Upper and lower beam optical switch for line-of-light headlamps using opaque masks
08/14/1990US4948242 Vehicle rearview mirror assembly
08/14/1990US4948215 Dental light-curing lamp unit with interchangeable autofocus light guides
08/08/1990CN1044539A Solar ray device for illuminaton
08/07/1990US4947300 Character and numeral displaying device
08/07/1990US4947293 Cargo vehicle perimeter clearance lighting system
08/07/1990US4947292 Lighting system
08/03/1990CA2007008A1 Light distribution device (a)
08/01/1990CN1044346A Light radiator
07/1990
07/26/1990CA2003490A1 Solar ray device for illumination
07/25/1990CN1044024A Light radiator for cultivation of fish
07/24/1990US4943141 Solar ray collecting device
07/17/1990US4942292 Apparatus for following sun light
07/17/1990US4941723 Rod shaped linear light diffusion apparatus
07/12/1990WO1990007766A1 Visual display device with fluorescent dye-doped edge-illuminating emitter panel
07/12/1990WO1990007765A1 Body with luminous data-display elements
07/12/1990WO1990007677A1 Improvements relating to street lamps
07/12/1990DE3933672A1 Illuminated display panel - has switched background lighting for varying intensity or colour
07/12/1990DE3900419A1 Luminescent information element
07/12/1990DE3843254A1 Dental multi-purpose luminaire
07/11/1990EP0377309A2 Back-lit display
07/09/1990CA2004595A1 Light radiator for the cultivation of fish
07/03/1990US4939625 Method and system for displaying objects
07/03/1990CA2004047A1 Back-lit display
06/1990
06/27/1990EP0375293A2 Back-lighting apparatus for screen
06/26/1990US4937716 Illuminating device having non-absorptive variable transmissivity cover
06/26/1990US4937709 Back lighting device for a liquid crystal panel
06/26/1990US4936668 Light radiator
06/26/1990US4936663 Light radiator
06/26/1990CA1270963A1 Stacked circuit cards and guided vehicle configurations
06/21/1990DE3941231A1 Illuminated display panel
06/13/1990EP0372525A2 Illumination system for a display device
06/13/1990DE3841176A1 Device for lighting objects which are embedded in blocks of acrylic resin
06/13/1990CN1043005A Light radiator
06/12/1990US4933818 Illuminated safety belt buckle
06/12/1990US4933816 Inspection/detection system with a light module for use in forensic applications
06/12/1990US4933815 Optical fiber light guides
06/12/1990US4933814 Planar luminescent device
06/12/1990US4933813 Sunlight simulator
06/06/1990EP0371073A1 Device composed of a light guide plate.
06/06/1990CN1042779A Illuminating system
05/1990
05/31/1990WO1990005924A1 Illuminator
05/29/1990US4929866 Light emitting diode lamp
05/29/1990US4929169 Working equipment for roughening the side of optical fiber
05/29/1990US4929070 Illumination optical system for endoscopes
05/16/1990CN1042039A Apparatus for cultivating aquatic living things in sea water
05/16/1990CN1008023B Light transmission and blinking light apparatus
05/15/1990CA1268970A1 Light pipe
05/15/1990CA1268969A1 Totally internally reflecting light conduit
05/09/1990EP0367032A2 Centralized lighting system employing a high brightness light source
05/08/1990US4924358 Safety-sparkler wand w/chemiluminescent or electric-light illumination
05/08/1990US4924357 Light source unit for a business machine
05/08/1990US4924356 Illumination system for a display device