Patents
Sitemap › H05 - Electric techniques not otherwise provided for › H05B - Electric heating; Electric lighting not otherwise provided for › H05B 33 - Electroluminescent light sources
Patents for H05B 33 - Electroluminescent light sources (53,055)
07/1999
07/27/1999US5929561 Organic electroluminescence element and method of making thereof
07/27/1999US5928802 Efficient blue organic electroluminescent devices
07/27/1999US5928801 The light output of light usable for the formation of the picture enhanced considerably
07/27/1999CA2117299C Illuminated safety helmet
07/22/1999DE19802895A1 Circuit for operating LED light display e.g. for traffic control lighting
07/21/1999EP0929994A2 Circuit arrangement
07/21/1999EP0929993A2 Circuit arrangement, and signalling light provided with the circuit arrangement
07/21/1999EP0929992A1 Circuit arrangement, and signaling light provided with the circuit arrangement
07/20/1999US5925472 Chelate compound containing oxadiazole, thiadiazole or selenodiazole ring
07/20/1999US5924784 Microprocessor based simulated electronic flame
07/15/1999WO1999035889A1 Electroluminescent lamps having improved interfacial adhesion
07/14/1999EP0928826A1 Moisture insensitive electroluminescent phosphor
07/14/1999CN1223065A Organometallic complexes for use in electroluminescent devices
07/13/1999US5922481 Electroluminescent arrangement
07/13/1999US5922480 Organic luminescent layer comprising quinolinol aluminumcomplex hole transporting layer between cathode and anode;electron transporting layer comprising zinc complex betweencathode and luminescent layer; high intensity;
07/13/1999US5921660 Electric bulb for identification lamp
07/08/1999WO1999034646A1 Current injection diamond ultraviolet light emetting device
07/08/1999WO1999034371A1 Screen printing paste for producing electrically conductive coatings
07/08/1999WO1999020936A3 Illuminating device
07/07/1999CN1221987A Prodn. of organic electrical lighting device
07/06/1999US5920086 Light emitting device
07/06/1999US5920080 Emissive display using organic light emitting diodes
07/06/1999US5919579 Organic emission layer comprises a naphthalimide derivative
07/01/1999DE19860326A1 LED matrix
06/1999
06/30/1999EP0926927A1 Apparatus and method for preparing organic EL devices
06/30/1999EP0926216A1 Organic electroluminescent device using a triarylamine derivative
06/30/1999EP0925709A1 Organic light-emitting devices with improved cathode
06/30/1999CN1221215A White-light electroluminescence device with organic multi-quantum pit structure
06/29/1999US5917280 Stacked organic light emitting devices
06/29/1999US5917279 Intermediate layer in electroluminescent arrangements containing finely divided inorganic particles
06/29/1999US5917278 Electroluminescent display having increased luminescent area
06/29/1999US5917003 Process for producing polymers of α,ω-unsaturated conjugated compounds, and high molecular weight conjugated polymers thus obtainable
06/24/1999DE19757542A1 Screen printing paste for e.g. liquid crystal display
06/23/1999EP0924966A1 Thin film electrode for planar organic light-emitting devices and method for its production
06/23/1999EP0924965A1 Organic electroluminescent apparatus and method of fabricating the same
06/23/1999EP0924823A1 Driver circuit for a solid state optical emitter device
06/23/1999EP0924192A1 Diaminonaphthalene derivatives and organic electroluminescent device using the same
06/23/1999CN1220404A Composition for organic EL element and method of manufacturing organic EL element
06/22/1999US5914501 Light emitting diode assembly having integrated electrostatic discharge protection
06/17/1999WO1999030537A1 Led lamp
06/17/1999WO1999030304A2 Display device and method therefor
06/17/1999WO1999007189A9 Electroluminescent device production process
06/17/1999CA2313468A1 Display device and method therefor
06/17/1999CA2247699A1 Drive circuit for a solid state optical emitter device
06/17/1999CA2225005A1 Led lamp with a fault-indicating empedance-changing circuit
06/17/1999CA2225004A1 Voltage booster for enabling the power factor controller of a led lamp upon low ac or dc supply
06/16/1999EP0923067A1 Pixel circuit, display device and electronic equipment having current-driven light-emitting device
06/15/1999US5912649 Electro-luminescent display apparatus
06/15/1999US5912568 Led drive circuit
06/15/1999US5912535 Driving circuit for an electric luminescent panel including first and second driving circuits
06/15/1999US5912533 AC powder electroluminescence device and method for making the same
06/15/1999US5912532 Bata2o5 dielectric, silicon nitride buffer, srs phosphor
06/15/1999CA2118111C Electroluminescent laminate with thick film dielectric
06/10/1999WO1999029142A1 Circuit and method for driving light emitting diode
06/10/1999WO1999028521A1 Sputter deposition
06/10/1999DE19755889A1 Luminescent composite-body for lighting etc.
06/09/1999CN2323439Y Electroluminescent picture plate device
06/09/1999CN1219339A Package film for EL panel, its manufacture, and EL panel and LCD module employing the film
06/08/1999US5910706 Laterally transmitting thin film electroluminescent device
06/03/1999WO1999027757A1 ELECTROLUMINESCENT DEVICE CONTAINING OLIGOTRIPHENYLAMINE MIXTURE AND 3-(4-BIPHENYL) -4-(4-tert -BUTYLPHENYL) -5-(4-DIMETHYLAMINOPHENYL) -1,2,4-TRIAZOLE MATERIAL, AND PROCESSES FOR PRODUCING THE MATERIAL
06/02/1999EP0920103A1 A system for driving a reactive load
06/02/1999CN1218604A Multicolor organic element, method for manufacturing the same, and display using the same
06/01/1999US5909081 Multi-color light emission apparatus with organic electroluminescent device
05/1999
05/27/1999WO1999025894A1 Low pressure vapor phase deposition of organic thin films
05/26/1999EP0917810A1 Organic electroluminescent device
05/26/1999EP0917734A1 Illuminator assembly incorporating light emitting diodes
05/26/1999EP0725939B1 Head-mounted display system
05/26/1999CN1217806A Curvent-driven luminous display and mfg. method therefor
05/26/1999CN1217805A Improved lighting system that non-invasively interacts with host machine
05/26/1999CN1217628A Electric fluorescent lamp and mfg. method therefor
05/26/1999CN1217582A Organic electricfield illumination-guiding device with increased long-period stability
05/26/1999CN1217523A Lighting-type operation press button
05/25/1999US5907569 Circuit for controlling the output power of an uncooled laser or light emitting diode
05/20/1999WO1999025157A1 Electroluminescent light and structure for shielding the same
05/20/1999WO1999024526A1 Substituted poly(arylene vinylenes), method for producing the same, and their use in electroluminescent elements
05/19/1999EP0917410A1 Organic electroluminescent device and method for fabricating the same
05/19/1999EP0917409A1 Electroluminescent lamp and method of fabrication
05/19/1999EP0917216A2 Organic electroluminescent device with improved long-term stability
05/19/1999EP0917127A1 Current-driven emissive display device and method for manufacturing the same
05/19/1999EP0916506A2 Image forming apparatus
05/19/1999EP0915925A1 Conjugated copolymers for use in luminescent devices
05/19/1999EP0915754A1 Light-emitting devices containing network electrode polymers in electron blocking layer
05/19/1999CN1216742A Circuit with luminescent diode, and indicating light for motor vehicle contg. same
05/18/1999US5905128 (CO) polymers based on vinyl units and use thereof in electroluminescent arrangements
05/18/1999US5904994 Oxazole, imidazole, quinoline and pyrazine compounds; white light emitters
05/18/1999US5904961 Method of depositing organic layers in organic light emitting devices
05/14/1999WO1999023672A1 Conjugated polymer in an oxidized state
05/12/1999EP0915640A1 Electroluminescent element
05/12/1999EP0915144A1 Fluorescent liquid crystalline charge transfer materials
05/12/1999EP0915143A1 Red-emitting material and organic electroluminescent device made by using the same
05/12/1999EP0914260A1 Process for preparing high resolution emissive arrays and corresponding articles
05/12/1999CN1216556A Polymers with spiro atoms and their use as electroluminescent materials
05/11/1999US5903101 Optical element and method of manufacturing the same
05/11/1999US5902689 Electroluminescent device
05/11/1999US5902688 Electroluminescent display device
05/06/1999WO1999021708A1 Use of glass laminate as a substrate in semiconductor devices
05/06/1999EP0914025A1 A multistructured electrode for use with electroluminescent devices
05/06/1999EP0914024A1 Device for driving LEDs
05/06/1999DE19748814A1 Substituierte Poly(arylenvinylene), Verfahren zur Herstellung und deren Verwendung in Elektrolumineszenz Substituted poly (arylene vinylenes), process for preparation and their use in electroluminescent
05/05/1999CN1216209A Organic electroluminescent display device
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