Patents for F21V 8 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems (27,053)
06/1993
06/23/1993EP0547343A1 Method and apparatus for marring fiber optic substrates
06/22/1993US5220690 Thumb guard novelty device
06/17/1993DE4234050A1 Light source for surgery - has glass fibre light conductor, light outlet aperture of which is installed as close as possible to investigation point
06/15/1993US5219217 For a mass transit vehicle
06/10/1993WO1993011452A1 Microprojection display system with fiber-optic illuminator, and method of display and illumination
06/09/1993EP0545705A1 Liquid crystal display device
06/09/1993EP0545429A2 Surface lighting device and a display having such a lighting device
06/09/1993EP0544971A1 Grave slabs lighting system for cemeterial burial niches
06/08/1993US5217290 Miniaturized fiberoptic illuminating device
06/08/1993US5217286 Autonomous visual-attraction enhancement utilizing edge-illuminated panel
06/08/1993US5217285 Apparatus for synthesis of a solar spectrum
06/03/1993DE4139267A1 Car headlamp - has optic fibre bringing light to shaped emitter so that triangular beam passes through prism and lens
06/03/1993DE4139266A1 Car headlamp - has box-like light emitter with top and side faces flat, but bottom face tapering to ridge
06/02/1993EP0544332A1 Surface light source device
06/01/1993US5216411 Cover for an indicator panel with transparent touchpad and display
06/01/1993CA1318645C Light emitting panel assemblies and method of making same
06/01/1993CA1318503C Autonomous visual-attraction enhancement utilizing edge-illuminated panel
05/1993
05/27/1993WO1993010394A1 Lighting structure having variable transmissivity internal light guide illumination
05/27/1993WO1993010393A1 A light collection system for a skylight
05/19/1993EP0542427A2 Fiber optic lighting device
05/18/1993US5211464 Illuminating device, particularly for displays of data processing devices
05/18/1993US5211463 Backlight for liquid crystal devices
05/13/1993WO1993009454A1 Liquid crystal optical waveguide display system
05/13/1993WO1993009450A1 Optical waveguide display system
05/13/1993WO1993009379A1 Lighting
05/13/1993CA2141675A1 Liquid crystal optical waveguide display system
05/12/1993EP0541179A2 Optical mixer
05/09/1993CA2081995A1 Optical mixer
05/05/1993EP0539496A1 Tapered optical waveguides for uniform energy distribution including energy bridging
05/04/1993US5207493 Edge light panel device
04/1993
04/21/1993CN1071262A 波导虚象显示器 Waveguide virtual image display
04/13/1993US5202950 For a liquid crystal display
04/13/1993CA1316161C Light fixture providing normalized output
04/08/1993DE4132777A1 Storage stand for CD, video or music cassettes - has central vertical tube containing fluorescent lighting tube to illuminate cassettes supported on radial light transmitting shelves
04/07/1993EP0535402A1 Waveguide virtual image display
04/07/1993EP0535218A1 Illumination system and method for a high definition light microscope
04/07/1993EP0411065A4 Illuminating system
04/01/1993WO1993006413A1 Sunlight collecting and transmitting system
03/1993
03/31/1993EP0534853A1 Double refraction and total reflection solid non-imaging lens
03/31/1993EP0534140A1 Backlighting device
03/31/1993EP0533987A1 Tank inspection light
03/30/1993US5199091 Arrangement and a method for coupling a light source to a light guide using a solid optical coupler
03/30/1993US5197792 Illuminator device for a display panel
03/30/1993CA1315377C Luminescent fiber marker-detector
03/28/1993WO1993006509A1 Light-scattering light guide and its manufacture, and applied optics apparatus thereof
03/28/1993CA2097080A1 Light scattering light guide, manufacturing method thereof, and applied optical apparatuses
03/26/1993CA2078839A1 Double refraction and total reflection solid nonimaging lens
03/24/1993EP0533301A1 Advisory sign, illuminated from rear
03/24/1993EP0532975A2 Symbol integrated in a wall and lit by an optical conductor
03/24/1993EP0532534A1 Optical fibre holder and lighting units incorporating same
03/23/1993US5195819 Dry spigot lamps
03/18/1993DE4228877A1 Vanity mirror with tubular lamp for motor vehicle - has multifaceted reflector at each end of light guide for broadening region illuminated by single lamp
03/17/1993EP0532262A2 Projection headlamp lighting system using different diameter optical light conductors
03/17/1993EP0531939A1 Surface light source device
03/17/1993CN1070053A Backlight generating apparatus of liquid crystal display device
03/16/1993US5193893 Illuminated vehicle hood deflector
03/11/1993DE4129955A1 Light distribution arrangement for headlamps of motor vehicle - projects suitably shaped beam from partially scattering terminations of four light-guides out of single reflecting cavity
03/09/1993US5192128 Lensed luminaire with lens brightness control and method
03/04/1993DE4129266A1 Pictogram or indicator light with lamp and distributor
03/04/1993DE4129094A1 Signal lamp with extended light guides for motor vehicle - emits light from grouped multi-prismatic surfaces of parallel light guides into which light is coupled from LEDs
03/03/1993EP0529006A1 Luminance regulation
03/02/1993US5190370 High aspect ratio lighting element
02/1993
02/25/1993DE4127784A1 High-density work-place light - is covered by sheet with prisms parallel to oblong housing axis
02/24/1993EP0528645A2 High aspect ratio lighting element
02/24/1993EP0528127A2 Light fixture, in particulier flush mounted in the ground
02/23/1993US5188453 Internally illuminated sign
02/18/1993DE4127100A1 Long arc flash bulb for coupling onto optical guide as laser pumping light source - has tube with inset cathode and anodes and having mirrored internal surface except for end section for output
02/16/1993US5187765 Backlighted panel
02/16/1993US5186530 Lighting structure having variable transmissivity internal light guide illumination
02/10/1993EP0526746A2 Orientation device for self services, building materials, stores, railway stations, airports or the like
02/09/1993US5185638 Computer controlled, multiple angle illumination system
02/09/1993US5184888 Illuminating portion of vanity mirror
02/09/1993US5184883 Automobile lighting system that includes an exterior indicating device
02/09/1993US5184882 Projection headlamp lighting system using different diameter optical light conductors
02/09/1993CA1313475C Rattle-resistant gearshift position indicator
02/04/1993DE4125034A1 Illumination module for transmissive type LCD display - has plastic block providing optical transmission of daylight and artificial light to illuminate directly and indirectly
02/03/1993EP0525381A2 Improved fiber optic backlighting panel and zig-zag process for making same
02/03/1993EP0525104A1 Apparatus for producing light distributions
02/02/1993US5183323 Flat panel illumination system
01/1993
01/26/1993US5182660 Back-light type liquid crystal display
01/26/1993CA1313077C Light source system with uniforming device for optical fiber type lightguide
01/21/1993WO1993001068A1 Motor vehicle headlight system
01/21/1993DE4123788A1 Adjustable illumination for control panel - includes movable mask over each lamp to allow intensity output to be adjusted
01/12/1993US5178447 Edge light panel
01/12/1993US5178446 Centralized lighting system for a vehicle having a central light source automatically exchangable in the event of failure
01/12/1993US5177889 Auto license plate's illumination structure
01/07/1993WO1993000551A1 Lights-pumped high power medical system
01/07/1993DE4121673A1 Scheinwerfersystem fuer fahrzeuge Headlamp system for vehicles
01/07/1993CA2112560A1 Lights-pumped high power medical system
01/05/1993US5175967 Natural light distributing apparatus
01/05/1993CA1312320C Plane light source unit
12/1992
12/30/1992EP0520623A1 Light-leading panel for surface lightening and a surface-lightening body
12/30/1992EP0520368A2 Improved fiber optic backlighting panel and dot process for making same
12/23/1992WO1992022768A1 High aspect ratio light emitter having high uniformity and directionality
12/17/1992DE4119975A1 Display lighting esp. for cut glass objects in shop window or cabinet - uses optical fibres terminating in rear wall of display cabinet and at different angles for individual light beams
12/16/1992EP0434683B1 Sewing machine with lamp
12/15/1992US5171429 Apparatus for discharging water with passage selection sensor
12/10/1992WO1992021915A1 Remote illumination system
12/09/1992EP0516703A1 Products incorporating piezoelectric material.
12/02/1992EP0516514A1 Illuminated display panel, particularly for advertising or indicating purpose