| Patents for H05B 33 - Electroluminescent light sources (53,055) | 
|---|
| 04/16/1991 | US5008595 Ornamental light display apparatus | 
| 04/10/1991 | EP0421494A2 A thin film electroluminescent (EL) device and method of manufacturing the same | 
| 04/09/1991 | US5006365 Phosphor layer formed; high brightness, low voltage | 
| 04/03/1991 | EP0420518A2 Power saving drive circuit for TFEL devices | 
| 04/03/1991 | EP0420167A2 Electroluminescent semiconductor device | 
| 04/02/1991 | US5004956 Thin film electroluminescent edge emitter structure on a silcon substrate | 
| 03/26/1991 | US5003222 Connector for electroluminescent display panel | 
| 03/26/1991 | US5003221 Electroluminescence element | 
| 03/26/1991 | CA2022971A1 Power saving drive circuit for tfel devices | 
| 03/21/1991 | WO1991003918A1 Thin-film el element | 
| 03/21/1991 | DE3934421C1 Protective circuit for circuitry with light indicator in motor vehicle - has transistor breaking current flow in dependence on information voltage from resistor measuring current | 
| 03/12/1991 | US4999753 Portable safety device | 
| 03/12/1991 | US4999539 Electrode configuration for reducing contact density in matrix-addressed display panels | 
| 03/07/1991 | WO1991003141A1 Thin-film el element | 
| 03/06/1991 | EP0415372A2 AC powder type EL panel and method of manufacturing the same | 
| 03/06/1991 | CN1049752A Transparent electro-conductive film, and ac powder type el panel and liquid crystal display using same | 
| 03/05/1991 | US4998043 LED stabilizing light source device | 
| 02/27/1991 | CN2072304U Light controlled mini sleeping lamp | 
| 02/26/1991 | US4996523 Electroluminescent storage display with improved intensity driver circuits | 
| 02/20/1991 | EP0413564A2 Formation of polymeric metal oxide materials | 
| 02/20/1991 | EP0413441A1 Radiation generator control apparatus | 
| 02/19/1991 | WO1991003142A1 Organic electroluminescent element | 
| 02/19/1991 | US4995043 Thin-film electroluminescence apparatus including optical interference filter | 
| 02/19/1991 | CA2037917A1 Organic electroluminescence device | 
| 02/12/1991 | US4992704 Variable color light emitting diode | 
| 02/05/1991 | US4990286 Zinc oxyfluoride transparent conductor | 
| 01/31/1991 | DE3925244A1 Selectively energising circuit for antiparallel LEDs - has junction points between anode and cathode of two LEDs coupled to voltage source poles | 
| 01/29/1991 | US4988889 Battery operated | 
| 01/29/1991 | US4988579 A substrate, a light emitting part and a conductive part joined to the substrate, a pair of electrodes for applying a voltage | 
| 01/22/1991 | US4987340 Lead wire mounting structure for electroluminescence | 
| 01/22/1991 | US4987339 Enhanced single layer multi-color luminescent display with coactivators | 
| 01/22/1991 | US4986876 Method of smoothing patterned transparent electrode stripes in thin film electroluminescent display panel manufacture | 
| 01/16/1991 | EP0408231A1 Integrated TFEL flat panel face and edge emitter structure producing multiple light sources | 
| 01/10/1991 | WO1991000621A1 Light-emitting diode drive circuit | 
| 01/10/1991 | DE4019988A1 Thin film electroluminescent display - consisting of luminescent layer between dielectric multilayers in which one multilayer is desired to improve voltage dependent properties | 
| 01/10/1991 | CA2017709A1 Integrated tfel flat panel face and edge emitter structure producing multiple light sources | 
| 01/09/1991 | EP0406762A2 Organic electroluminescent device | 
| 01/08/1991 | US4983884 Supply circuit | 
| 01/08/1991 | US4983880 Edge breakdown protection in ACEL thin film display | 
| 01/08/1991 | US4983469 High tone white light | 
| 01/02/1991 | EP0406143A1 Indicator light which can be fed by a DC voltage or an AC voltage | 
| 01/02/1991 | EP0405361A1 Moisture trapping film for EL lamps of the organic dispersion type | 
| 01/01/1991 | US4982314 Power source circuit apparatus for electro-luminescence device | 
| 01/01/1991 | US4982141 Driver circuit for piezoelectric transducer and electroluminescent lamp | 
| 01/01/1991 | US4982135 Electroluminescent device | 
| 01/01/1991 | US4981712 Method of producing thin-film electroluminescent device using CVD process to form phosphor layer | 
| 12/12/1990 | EP0171420B1 Electrical circuits and components | 
| 12/11/1990 | US4977350 Color electroluminescence display panel having alternately-extending electrode groups | 
| 12/05/1990 | EP0400625A2 Laminated films | 
| 12/04/1990 | US4975338 Thin film electroluminescence device | 
| 11/30/1990 | CA2017981A1 Laminated films | 
| 11/29/1990 | WO1990014744A1 Electroluminescent device with silazane-containing luminescent zone | 
| 11/29/1990 | WO1990014647A1 Portable safety device for attracting visual attention | 
| 11/28/1990 | EP0399508A1 Organic electroluminescent device | 
| 11/22/1990 | EP0398764A2 An organic thin-film el device | 
| 11/22/1990 | EP0398592A2 Thin film electroluminescent edge emitter structure with optical lens and multi-color light emission system | 
| 11/22/1990 | EP0398591A2 A thin film electroluminescent edge emitter assembly and integral packaging | 
| 11/22/1990 | EP0397889A1 Light-emitting element | 
| 11/20/1990 | US4972094 Lighting devices with quantum electric/light power converters | 
| 10/31/1990 | EP0395327A2 A multiplexed thin film electroluminescent edge emitter structure and electronic drive system therefor | 
| 10/30/1990 | US4967251 Dielectric overcoating; transparent electrode | 
| 10/30/1990 | US4967117 Encapsulated electroluminescence device | 
| 10/24/1990 | EP0393982A2 Method for manufacturing edge emission type electroluminescent device arrays | 
| 10/24/1990 | EP0393979A2 Method for manufacturing edge end emission type electroluminescent device arrays | 
| 10/21/1990 | WO1990013148A1 Electroluminescent devices | 
| 10/16/1990 | US4964010 Apparatus for limiting a time integration value of a pulsed current | 
| 10/16/1990 | US4963861 Electroluminescent memory display having multi-phase sustaining voltages | 
| 10/16/1990 | US4963798 Synthesized lighting device | 
| 10/16/1990 | US4963788 Thin film electroluminescent display with improved contrast | 
| 10/11/1990 | DE3911293A1 Circuit arrangement for driving luminous elements | 
| 10/09/1990 | US4962374 Thin film el display panel drive circuit | 
| 10/09/1990 | US4961956 Electroluminescent lamps and phosphors | 
| 10/04/1990 | WO1990011247A1 Zinc oxyfluoride transparent conductor | 
| 10/03/1990 | EP0390569A2 Transparent electro-conductive film, and AC powder type EL panel and liquid crystal display using the same | 
| 10/03/1990 | EP0390551A2 Organic electroluminescent device | 
| 10/03/1990 | EP0390407A2 Reduction of intermodulation distortion in light emitting diodes | 
| 09/26/1990 | EP0389350A1 Polychrome display device with electroluminescent photoconductive memory | 
| 09/26/1990 | EP0388768A2 Organic electroluminescent device containing aromatic dimethylidyne compounds | 
| 09/26/1990 | EP0388608A1 Thin-film electroluminescence apparatus | 
| 09/20/1990 | WO1990011003A1 Thin-film green el element | 
| 09/20/1990 | DE4008126A1 Duennschicht-elektrolumineszenzbauelement und verfahren zu seiner herstellung Duennschicht-electroluminescent device and process for its manufacture | 
| 09/19/1990 | EP0387715A2 Electroluminescent element | 
| 09/19/1990 | CN1045501A Electroluminescent panel and method of manufacturing same | 
| 09/18/1990 | US4958105 Row driver for EL panels and the like with inductance coupling | 
| 09/12/1990 | EP0386312A2 Electroluminescent panel and method of manufacturing the same | 
| 09/11/1990 | US4956031 Method of manufacturing an elongated electroluminescence element | 
| 09/07/1990 | WO1990010365A1 Thin-film el element | 
| 09/07/1990 | WO1990010045A1 Red electroluminescent element | 
| 09/04/1990 | US4954752 Row driver for EL panels and the like with transformer coupling | 
| 09/04/1990 | US4954747 Multi-colored thin-film electroluminescent display with filter | 
| 09/04/1990 | US4954746 Thin film electroluminescence displaying apparatus | 
| 08/29/1990 | EP0384829A1 Multicolour electroluminescent flat panel display having a memory effect | 
| 08/28/1990 | US4952820 Reduction of intermodulation distortion in light emitting diodes | 
| 08/21/1990 | US4951064 Thin film electroluminescent edge emitter assembly and integral packaging | 
| 08/21/1990 | US4950950 Electroluminescent device with silazane-containing luminescent zone | 
| 08/14/1990 | US4949019 Method of driving thin film EL panel for aging | 
| 08/08/1990 | EP0381479A1 Method and apparatus for driving capacitive display device | 
| 08/08/1990 | CN1009150B Membrane electro luminescent device and its making method | 
| 08/07/1990 | US4947160 Multiplexed thin film electroluminescent edge emitter structure and electronic drive system therefor | 
| 08/07/1990 | US4947081 Dual insulation oxynitride blocking thin film electroluminescence display device |