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)
08/1990
08/01/1990EP0380073A2 Layered material
07/1990
07/31/1990US4945009 Brightness, red, green, blue
07/27/1990CA2008550A1 Composite structure
07/26/1990DE4010071A1 Continuous light source e.g. for cementery use - is operated by solar energy charged cells and has adjustable light intensity
07/18/1990EP0377956A1 Row drive for EL panels and the like with transformer coupling
07/18/1990EP0377955A1 Row drive for EL panels and the like with inductor coupling
07/11/1990EP0377320A2 Electric field light-emitting device
07/03/1990US4939426 Light emitting diode array
06/1990
06/28/1990WO1990007254A1 Thin-film electroluminescent element and method of manufacturing the same
06/27/1990EP0202330B1 Electroluminescent panels
06/26/1990US4937150 Ultrafine grain fluorescent body
06/21/1990DE3942151A1 Vorrichtung fuer eine fahrzeuglampe Device for a vehicle lamp
06/20/1990EP0374050A1 Improved desiccant for el lamps
06/20/1990EP0373582A1 Electroluminescence device
06/16/1990CA2004530A1 Desiccant for el lamps
06/14/1990CA2005289A1 Electroluminescence device
06/13/1990EP0372979A2 Hole transporting material
06/13/1990EP0372942A2 Thin film electroluminescent edge emitter structure
06/13/1990EP0372763A2 An optical interference, electroluminescent device having low reflectance
06/13/1990EP0372489A2 Moistureproof film
06/13/1990EP0372364A1 Method and apparatus for driving display device
06/13/1990EP0372181A1 Improved power supply circuit for electroluminescent light panels operated from low voltage battery source
06/05/1990CA2004663A1 Moistureproof film
05/1990
05/31/1990WO1990005998A1 Light-emitting element
05/23/1990EP0369755A2 Thin film electroluminescent edge emitter structure on a silicon substrate
05/22/1990US4927490 Method of manufacturing an electroluminescent display
05/15/1990CA1269160A1 Method of fabricating a thin film el display panel
04/1990
04/25/1990EP0365445A2 Electroluminescent storage display with improved intensity driver circuits
04/11/1990EP0363201A2 Process for defining an array of pixels in a thin film electroluminescent edge emitter structure
04/10/1990US4916360 Doped with a rare earth element; insulating layers sandwiching film and a pair of electrodes
04/03/1990US4914348 Electroluminescence multi-color display device
03/1990
03/27/1990US4912714 Apparatus for driving a semiconductor laser device
03/22/1990DE3832109A1 Luminaire
03/21/1990EP0359245A2 EL operating power supply circuit
03/21/1990CN1040598A Red fluorescence transferring film
03/15/1990DE3906996A1 Arrangement for generating the current pulses for semiconductor diodes emitting radiation
03/13/1990US4908603 Light emitting alarm board
03/07/1990EP0357458A2 Luminescent device
03/07/1990EP0357443A2 Electroluminescent device and its manufacture
03/07/1990EP0209535B1 Display device with memory effect comprising thin electroluminescent and photoconducting layers
03/06/1990US4907043 Polycrstalline electroluminescent device with Langmuir-Blodgett film
02/1990
02/27/1990US4904901 Electrolumescent panels
02/22/1990WO1990001856A1 Electroluminescent lamp
02/20/1990US4902929 Electroluminescent device containing electroluminescent particles each covered with moisture proof film
02/20/1990US4902567 Electroluminescent lamp devices using monolayers of electroluminescent materials
02/14/1990EP0354769A2 Zinc oxide sintered body and preparation process thereof
02/13/1990US4900912 Driver circuit for semiconductor light-emitting device
02/13/1990US4900584 Depositing light emitting thin film phosphor layer on glass substrate
02/06/1990US4899184 Multiplexed thin film electroluminescent edge emitter structure and electronic drive system therefrom
02/06/1990US4899086 Electroluminescence light emission apparatus
02/06/1990CA1265575A1 Multicolour optical device
01/1990
01/30/1990US4897319 Brightness
01/24/1990EP0351869A2 Electroluminescent device of compound semiconductor
01/24/1990EP0351868A2 Electroluminescent device of compound semiconductor
01/24/1990EP0351867A2 Electroluminescent device of compound semiconductor
01/23/1990US4895734 Vapor deposition
01/17/1990EP0350907A2 Thin film electroluminescent panel
01/16/1990US4894116 Multilayer, radiation transparent, thin films; electroluminescence
01/03/1990EP0349265A2 Electroluminescent devices
12/1989
12/21/1989DE3913182A1 Coated electroluminescent phosphor
12/19/1989US4888077 Safty of bare chip, increase the mechanical strength of aluminum and gold
12/14/1989WO1989012376A1 Electroluminescent lamp and method for producing the same
12/05/1989US4885448 Process for defining an array of pixels in a thin film electroluminescent edge emitter structure
12/05/1989US4885211 Containing magnesium and metal with higher work function; stability
11/1989
11/23/1989EP0342814A2 Mos integrated circuit for driving light-emitting diodes
11/21/1989US4882518 Back cap for an electroluminescent display
11/21/1989US4882517 Electroluminescent composition containing organopolysiloxane and electroluminescent device usable as a back-lighting unit for liquid crystal display
11/15/1989EP0342063A2 Process for preparing an electroluminescent film
11/14/1989US4880661 Moisture resistance, sputtering, multilayer, silicon nitride, siliconoxy nitride
11/14/1989US4880475 Indium tin oxide with palladium or nickel oxide coating
11/07/1989US4879207 Safelight for silver halide light-sensitive photographic material
11/07/1989US4879139 Crystal structure
10/1989
10/31/1989US4877995 Electroluminescent display device using hydrogenated and carbonated amorphous silicon
10/31/1989US4877994 Brightness
10/31/1989US4877968 Thin layer EL panel
10/24/1989US4876481 Electroluminescent element
10/18/1989EP0139764B1 Method of manufacturing thin-film integrated devices
10/17/1989US4874986 Trichromatic electroluminescent matrix screen, and method of manufacture
09/1989
09/27/1989EP0334799A2 Electroluminescent dome light for a convertible automobile
09/26/1989US4870325 Ornamental light display apparatus
09/26/1989US4870322 May contain oxygen
09/26/1989US4869973 Thin film electroluminescence display device
09/26/1989CA1260592A1 Electroluminescent device
09/26/1989CA1260591A1 Electroluminescent panels
09/20/1989EP0333053A2 Phosphate-coated electroluminescent phosphor for electroluminescent lamp and a process for producing the same
09/20/1989EP0332713A1 Dispersion type electroluminescence device
09/13/1989EP0331997A1 Elongated electroluminescence element and manufacturing method thereof
09/13/1989EP0331736A1 Production of thin-film electroluminescent device
09/13/1989EP0331727A1 Method of producing thin-film el device and color display device using thin-film el device
09/12/1989US4866430 Low voltage LED driver circuit
09/05/1989US4864473 Electroluminescent dome light for a convertible automobile
09/05/1989US4864182 Driving circuit for thin film EL display device
08/1989
08/29/1989US4862033 Electroluminescent display apparatus having a multi-color illuminant layer and process for producing the same
08/22/1989US4859911 Power supply for electroluminescent panel
08/22/1989US4859904 High contrast electroluminescent displays
08/16/1989EP0328120A2 Electroluminescent composition and electroluminescent device therewith
08/15/1989US4857920 Combined traffic signal with stacked EL elements
08/15/1989US4857803 Method of producing electroluminescence and electroluminescing lamp
08/15/1989US4857802 Thin film EL element and process for producing the same
08/15/1989US4857416 Infra-red emitting electroluminescent lamp structures
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