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)
10/1998
10/13/1998US5821690 Electroluminescent devices having a light-emitting layer
10/13/1998US5821003 Organic electroluminescent device
10/13/1998US5821002 Polymeric fluorescent substance, production process thereof and organic electrolumescence device
10/13/1998US5820996 Laminated film composed of chromium and chromium oxide or molybdenum and molybdenum oxide are laminated as a rear electrode; increased light absorbing effect of rear electrode
10/08/1998WO1998021755A3 Patterns of electrically conducting polymers and their application as electrodes or electrical contacts
10/07/1998EP0869701A2 Organic electroluminescent device
10/07/1998EP0869700A2 Electroluminescent devices
10/07/1998EP0869388A1 Projection display having light source
10/07/1998EP0793699B1 Heterospiro-compounds and their use as electroluminescent materials
10/06/1998US5818174 Noiseless dispersion electroluminescent device and switch unit using same
10/06/1998US5817431 Electron injecting materials for organic electroluminescent devices and devices using same
10/06/1998US5817430 Electroluminescent polymer compositions and processes thereof
10/06/1998US5817366 Method for manufacturing organic electroluminescent element and apparatus therefor
10/01/1998DE19812197A1 Thin film laminated conductor
09/1998
09/30/1998EP0868114A2 Anti-light-reflective film, method for manufacturing the same, and EL device
09/30/1998EP0867104A1 Electroluminescent illumination system
09/29/1998US5814947 Multi-segmented electroluminescent lamp with lamp segments that are turned on at or near an AC zero crossing
09/29/1998US5814935 Organic electroluminescence device
09/29/1998US5814417 Anode formed on a glass substrate, cathode formed by a laser material and heat resistant thin film
09/29/1998US5814416 Microcavity layer structure stacked on symmetric, non-planar surface of substrate
09/29/1998US5814244 Polymers comprising triaylamine units as electroluminescence materials
09/24/1998WO1998042027A1 High performance display pixel for electronic displays
09/24/1998WO1998041448A1 Portable electroluminescent helicopter landing pad
09/23/1998EP0866645A1 Organic electroluminescent device
09/23/1998EP0866644A2 Electroluminescence device
09/23/1998EP0866110A1 Light-emitting material for organo-electroluminescence device and organic electroluminescence device
09/22/1998US5812104 Gray-scale stepped ramp generator with individual step correction
09/22/1998US5812012 High efficiency resonant network drive for an infrared LED
09/22/1998US5811931 Capped edge emitter
09/22/1998US5811930 Electroluminescent lamp devices and their manufacture
09/22/1998US5811834 Light-emitting material for organo-electroluminescence device and organo-electroluminescence device for which the light-emitting material is adapted
09/22/1998US5811177 Passivation of electroluminescent organic devices
09/17/1998WO1998041065A1 Color variable bipolar/ac light-emitting devices
09/17/1998WO1998040899A1 Bilayer polymer electroluminescent device featuring interface electroluminescence
09/17/1998WO1998040871A1 Pixel circuit, display device and electronic equipment having current-driven light-emitting device
09/17/1998CA2307035A1 Bilayer polymer electroluminescent device featuring interface electroluminescence
09/16/1998EP0865229A2 Method for producing organic electroluminescent device
09/16/1998EP0865089A2 Production process for organic electroluminescent light emitting devices
09/16/1998EP0864182A1 Organic/inorganic alloys used to improve organic electroluminescent devices
09/16/1998EP0704436B1 Triazole derivative and organic electroluminescent element produced therefrom
09/16/1998CN1193249A Field foam luminous plate
09/15/1998US5808884 Circuit and method for conserving energy in a boost regulator circuit
09/15/1998US5808412 EL panel laminated to rear electrode
09/15/1998US5807974 Fluorene-based alternating copolymers for electroluminescence element and electroluminescence element using such copolymers as light emitting materials
09/15/1998US5807945 (Co)polymers based on vinyl units and use thereof in electroluminescent arrangements
09/15/1998US5807627 Electroluminescent devices
09/15/1998US5806965 LED beacon light
09/15/1998US5806389 EL lamp with beveled edge
09/09/1998EP0863557A2 Electroluminescent devices
09/09/1998EP0862794A1 Sealing material with wavelength converting effect, application and production process
09/09/1998EP0643865B1 Active matrix electroluminescent display and method of operation
09/09/1998CN1192846A Electroluminescent lamp using multilayer optical film
09/08/1998US5804919 Resonant microcavity display
09/08/1998US5804918 Electroluminescent device having a light reflecting film only at locations corresponding to light emitting regions
09/08/1998US5804917 Organic electroluminescent display device and method for manufacturing same
09/08/1998US5804878 Electronic circuit
09/08/1998US5804322 Organic electroluminescence device with mixed hole transporting materials
09/08/1998US5803579 Illuminator assembly incorporating light emitting diodes
09/03/1998WO1998038838A1 Electroluminescent devices using stable metallic cathodes
09/02/1998EP0862353A2 Electroluminescent devices
09/02/1998EP0861845A2 Silicon-containing compound and organic electroluminescence device using the same
09/02/1998EP0830807A4 Electroluminescent lamp having a terpolymer binder
09/02/1998EP0678078B1 Switching circuit for railway light signal installation
09/02/1998CN2289944Y Mark lamp bulb
09/01/1998US5801793 Backlighting construction for use in computer-based display systems having direct and projection viewing modes of operation
09/01/1998US5801668 Small hand-held electronic apparatus with field effect light emitting device
08/1998
08/27/1998WO1998037736A1 Organometallic complexes for use in electroluminescent devices
08/27/1998WO1998037166A1 Sulfur-containing phosphor powders, methods for making phosphor powders and devices incorporating same
08/27/1998WO1998037165A1 Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same
08/27/1998DE19707452A1 Elektrolumineszierende Anordnung unter Verwendung von stabilen, metallischen Kathoden An electroluminescent device using stable metallic cathode
08/26/1998EP0861016A1 Image display device
08/25/1998US5797482 Electroluminescent keypad
08/20/1998WO1998036620A1 Organic electroluminescent element and process for producing the same
08/20/1998WO1998036406A1 Current-driven emissive display device and method for manufacturing the same
08/20/1998WO1998036035A1 Luminescent compounds and methods of making and using same
08/19/1998EP0859539A2 Organic electroluminescent display device, and method and system for making the same
08/19/1998EP0827679A4 Method of manufacturing electroluminescent lamps
08/18/1998US5796767 Driver circuit of light-emitting device
08/18/1998US5796120 Tunnel thin film electroluminescent device
08/13/1998WO1998035535A1 Organic electroluminescence display and its manufacturing method
08/13/1998WO1998035271A1 Molecule, layered medium and method for creating a pattern
08/12/1998CN1190322A Organic Electroluminescent devices
08/11/1998US5793163 Driving circuit for light emitting element
08/11/1998US5792568 Organic electroluminescent element
08/11/1998US5792567 Used in electron-transport layer
08/11/1998US5792561 Color display device using electroluminescent polymer and method for fabricating the same
08/11/1998US5792557 Electroluminescence; tetraaryldiamine derivatives; high melting point; high glass transition temperature
08/06/1998WO1998034439A1 Driving circuit for stacked organic light emitting devices
08/06/1998WO1998034437A1 Organic electroluminescent display device
08/06/1998WO1998034214A1 Stacked organic light emitting devices
08/06/1998WO1998033865A1 Fluorescent chromophore, covalently linked to an organic support material
08/06/1998WO1998033864A1 Fluorescent compositions and their use
08/06/1998WO1998033863A1 Process for the preparation of fluorescent compositions, fluorescent compositions and their use
08/06/1998CA2278161A1 Driving circuit for stacked organic light emitting devices
08/06/1998CA2277796A1 Stacked organic light emitting devices
08/05/1998EP0857007A1 Organic electroluminescent device
08/05/1998EP0856896A1 Light emitting diodes
08/05/1998EP0856202A2 Visible light emitting devices including uv-light emitting diode and uv-excitable, visible light emitting phosphor, and method of producing such devices
08/05/1998CN1189630A Light-emitting elements, display unit using light-emitting elements and light-emitting element production method
08/04/1998US5789870 Low noise inverter for EL lamp
1 ... 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 ... 531