Patents for F21V 8 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems (27,053)
11/2004
11/23/2004US6821007 Shallow depth back lit illuminated signage
11/23/2004US6820994 Lighting device, and electronic device using the same
11/23/2004US6820993 Planar light emitting mechanism
11/23/2004US6820992 Backlight module device
11/23/2004US6820989 Light source device, backlight assembly and liquid crystal display device having the same
11/18/2004WO2004099833A1 Hologram optical element and surface light source device using it
11/18/2004WO2004099823A2 Light-redirecting optical structures
11/18/2004WO2004099664A1 Uv light source coated with nano-particles of phosphor
11/18/2004US20040229171 Forming u-shaped grooves in the first photolithograpic step; then using a second mask having smaller transmissive regions than those of the first; etching regions not covered and removing the mask; thin film transistor liquid crystal displays
11/18/2004US20040228801 Long-lived microbubbles containing fluorocarbon gas and a modifier gas for diagnostic ultrasound contrast enhancement which grow and shrink to maintain osmotic equilibrium with the physiological gas saturation of the surrounding liquid medium
11/18/2004US20040228603 Backlighting device
11/18/2004US20040228148 Light guiding plate, illumination device, and liquid crystal display device
11/18/2004US20040228144 Remote source lighting apparatus and methods
11/18/2004US20040228143 Transparent rod with optical fiber core
11/18/2004US20040228142 Photoirradiation device and fiber rod
11/18/2004US20040228141 Diffuser for flat panel display
11/18/2004US20040228140 Color separation disc assembly combinable with lightning ball and article formed of optical fibers
11/18/2004US20040228113 Reflective circuit board, and light module and flat panel display including the reflective circuit board
11/18/2004US20040228112 Surface radiation conversion element, liquid crystal display device, and method of producing a surface radiation conversion element
11/18/2004US20040228109 Light guide module having uniform light diffusion arrangement and method for making the same
11/18/2004US20040228108 Reflector for back light assembly and back light assembly using the same
11/18/2004US20040228105 Back light module
11/18/2004US20040227869 Illumination system and display device
11/18/2004US20040227262 Method of fabricating light-guide plate
11/18/2004US20040226203 Lighted articulated display assembly
11/18/2004US20040226202 Light panel
11/18/2004US20040226082 Toilet seat and lid
11/18/2004DE202004012117U1 Edge light flow device for illuminated advertising is made from wholly/partially non-planar panel of one or more layers of light conducting material, into which light is radiated from one or more LEDs
11/18/2004DE202004012116U1 Light panel for advertising carrier has light conducting panel illuminated very uniformly by radiating light into it with one or more light emitting diodes from side and/or panel surface
11/18/2004DE10319928A1 Solar light feed-in appliance collecting diffused and/or directed solar light etc. and feeding it to consumer appliance e.g. solar electric generator
11/18/2004DE10319162A1 Vehicle lighting unit, contained within a housing, has a closure pane with an inwards projecting edge to carry an additional light on an optical axis parallel to the pane as a parking light
11/18/2004CA2523493A1 Light-redirecting optical structures
11/17/2004EP1477368A1 Illuminated license plate for vehicles and vehicle provided with the same
11/17/2004CN2656809Y Lamp decoration handicraft article used for festival beautifying and indoor and outdoor decoration
11/17/2004CN2656808Y Light conducting element assembly for LED
11/17/2004CN1547652A Light panel with enlarged viewing window
11/17/2004CN1176501C Surface illuminating device
11/16/2004US6819465 Device having reflective and transmissive properties
11/16/2004US6819372 Back light device with diffusing sheet for a liquid crystal display apparatus
11/16/2004US6818157 Light guiding plate manufacturing apparatus and light guiding plate manufacturing method
11/16/2004US6817746 Optical distribution components
11/16/2004US6817745 Optical means primarily for decorative applications and articles including same
11/16/2004US6817731 Elongated illumination device
11/16/2004US6817726 Lighting system
11/11/2004WO2004097773A1 Display system with animation feature
11/11/2004WO2004097767A2 Lighting display system
11/11/2004WO2004097513A1 Back light for display device
11/11/2004WO2004097512A1 Front light for diffusely reflecting displays
11/11/2004WO2004097468A1 Reflective sheet for liquid crystal display, method for producing same and backlight unit using such reflective sheet
11/11/2004WO2004097290A2 Illuminated devices using uv-led’s
11/11/2004WO2004097289A2 Ultraviolet illumination of indicia, watches and other instruments
11/11/2004WO2004074909A3 Liquid crystal display apparatus
11/11/2004WO2004053531A3 Flexible optical device
11/11/2004US20040223691 Light pipe with directional side-light extraction
11/11/2004US20040223343 Backlight Module for a Double-Sided LCD Device
11/11/2004US20040223321 Hands-free light focusing apparatus and method of delivering light near the fingertips of a user
11/11/2004US20040223317 Illuminated displays for alphanumeric and special characters
11/11/2004US20040223314 Flat lighting structure
11/11/2004US20040222435 Light emitting device with blue light LED and phosphor components
11/11/2004DE202004014111U1 Solar light for use outdoors has refractive tube in whose interior a number of irregularly arranged bubbles is formed; refractive tube is made of acrylic material, housing is mounted on tube
11/11/2004DE10318723A1 Illuminated handrail for stair wells and parapets has massive body in two extended facing parts with light dispersing surfaces and light sources coupled along the long axis
11/11/2004DE10315773A1 Anzeigeeinheit für ein Haushaltsgerät Display unit for a household appliance
11/10/2004EP1475650A1 Incoming light convergence & light guided reflection display device
11/10/2004EP1070220B1 Illumination device for non-emissive displays
11/10/2004CN2655029Y Lighting lamp capable of collecting sunlight
11/10/2004CN1545603A Frontlit display
11/10/2004CN1175326C Uniform illumination device for dial of display device
11/10/2004CN1175309C Molded optic panel and its mold
11/09/2004US6816214 Guide plate, surface light source device of side light type and liquid crystal display
11/09/2004US6816140 Displaying device and displaying method and manufacturing method of the device
11/09/2004US6814479 Lighting of indicating apparatus for a motor vehicle
11/09/2004US6814458 Backlight assembly and an assembling method thereof
11/09/2004US6814457 Light guide structure for light guide plate
11/09/2004US6814456 Back light module
11/04/2004WO2004094231A1 Led based light guide for aircraft formation lighting
11/04/2004WO2004061365A3 Illuminant and method
11/04/2004US20040218403 Diffusion plate having different section with different refractive indices
11/04/2004US20040218399 Vehicle lighting device
11/04/2004US20040218390 High-density illumination system
11/04/2004US20040218377 Courtesy illumination disk for a cup holder
11/04/2004US20040218376 Radiation-pattern-matched light-diffusing pattern for light guide edge-illuminated by a directional light source
11/04/2004US20040218114 Light guiding plate, liquid crystal display device using the same, and method for displaying pictures thereof
11/04/2004US20040218113 Backlight unit and liquid crystal display device using the same
11/04/2004DE10315417A1 A light plate with illumination elements, especially light emitting diodes, electrically connected by conduction strips where the light plate is made from a transparent thermoplastic material useful for illumination of shop windows
11/04/2004DE10314525A1 Verfahren zur Herstellung einer Beleuchtungsvorrichtung und Beleuchtungsvorrichtung A method of manufacturing a lighting device and illumination apparatus
11/04/2004DE102004015557A1 Beleuchtungsvorrichtung und Flüssigkristall-Anzeigeeinrichtung Lighting device and liquid crystal display device
11/03/2004EP1472665A2 Display device comprising a light guide
11/03/2004EP1472664A1 Display with optical fibre face plate
11/03/2004EP1472490A1 Display device
11/03/2004EP1346178B1 Sandwich-like panel element
11/03/2004EP0711179B1 Stabilized microbubble compositions for ultrasound
11/03/2004CN1543549A Light redirecting films and film systems
11/03/2004CN1542522A Light guide panel of edge-light type backlight system and edge-light type backlight system employing the same
11/03/2004CN1542518A Liquid crystal display device having electromagnetic sensor
11/03/2004CN1542497A Electronic equipment, backlight structure and keypad for electronic equipment
11/03/2004CN1542494A 投影显示器 Projection display
11/03/2004CN1174596C Light diffusing device
11/03/2004CN1174276C Liquid crystal display device
11/03/2004CN1174182C Method of forming flat light and diffuse pattern
11/02/2004US6813094 Brighter; reduced power consumption