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)
05/2000
05/02/2000US6057647 Light emitting device used for display device
04/2000
04/27/2000DE19848925A1 Light-emitting diode control method e.g. for display device, provides initial brightness reduction by reduction of current with further reduction of brightness by current pulsing
04/26/2000EP0996314A1 Circuit board for organic electroluminescent panel, method of manufacture, and electroluminescent panel
04/26/2000EP0996313A2 Illuminated switch unit
04/26/2000EP0996176A1 Method of fabricating and structure of an active matrix light-emitting display device
04/26/2000EP0995341A1 Driving circuit for stacked organic light emitting devices
04/26/2000EP0995183A2 Bonded active matrix organic light emitting device display and method of producing the same
04/26/2000CN1251606A Fluorescent chromophore covalently linked to organic support material
04/25/2000US6054809 Electroluminescent lamp designs
04/25/2000US6054725 Organic electroluminescent device
04/25/2000US6054716 Semiconductor light emitting device having a protecting device
04/25/2000US6053622 Wand activated electronic menorah
04/20/2000WO2000022683A1 Thin metal-oxide layer as stable electron-injecting electrode for light emitting diodes
04/20/2000WO2000022064A1 Oxynitride encapsulated electroluminescent phosphor particles
04/20/2000CA2345781A1 Thin metal-oxide layer as stable electron-injecting electrode for light emitting diodes
04/19/2000EP0994517A2 Organic electroluminescent device
04/19/2000CN2375051Y Face-shape far infrared radiating body
04/18/2000US6052164 Electroluminescent display with brightness enhancement
04/18/2000US6051935 Circuit arrangement for controlling luminous flux produced by a light source
04/18/2000US6051319 Silacyclopentadiene derivatives and an organic electroluminescent element obtained by using the silacyclopentadiene derivative
04/13/2000DE19846753A1 Schaltungsanordnung zum Betreiben eines Leuchtzeichens Circuit arrangement for operating an illuminated sign
04/13/2000DE19845075A1 Verfahren zum Herstellen eines Bauelementes und Bauelement A method for producing a component and component
04/12/2000EP0993236A1 Organic electroluminescence device
04/12/2000EP0993235A2 Thin film forming method, display, and color filter
04/12/2000EP0992961A2 Circuit for operating an illuminated sign
04/12/2000EP0992564A1 Organic electroluminescent device
04/12/2000EP0992177A1 Electroluminescent device and method for producing the same
04/11/2000US6049167 Organic electroluminescent display device, and method and system for making the same
04/11/2000US6048631 Aluminum complex; electon transfer, organic luminescece and electron transport layers, the later two stacked between a pair of electrodes; heat resistance, bluish light emission, high efficiency
04/11/2000US6048616 Encapsulated quantum sized doped semiconductor particles and method of manufacturing same
04/11/2000US6048573 Electroluminescent (el) devices, separate the deposition of the organic host material from the deposition of an organic dopant material, and to introduce the dopant material into the host material during a subsequent processing step.
04/06/2000WO2000019776A1 Method and device for manufacturing an electroluminescent display screen
04/06/2000WO2000019546A1 Lighting system
04/06/2000WO2000019476A2 Line scanning circuit for a dual-mode display
04/06/2000WO2000019397A1 Method for producing a component and corresponding component
04/05/2000EP0991304A2 Dimmer circuit for a LED
04/05/2000EP0991303A2 Auxiliary layers for electroluminescent devices
04/05/2000EP0990373A1 Electoluminescent device and method for producing the same
04/05/2000EP0990016A1 Electroluminescent material
04/05/2000EP0803171B1 Electroluminescent arrangement
04/04/2000US6046547 Self-emission type image display device
03/2000
03/30/2000WO2000018193A1 Method for manufacturing electroluminescence device
03/30/2000WO2000017656A1 Water-soluble thiol-capped nanocrystals
03/30/2000WO2000017655A1 Water-soluble fluorescent semiconductor nanocrystals
03/30/2000WO2000017642A2 Biological applications of semiconductor nanocrystals
03/30/2000WO2000017103A2 Inventory control
03/30/2000DE19845818A1 Use of luminescent compound body is located in or on flat object, to which it is coupled
03/30/2000DE19844302A1 Electroluminescent display (ELD) with laminated structure (MISIM) on substrate, contains active layer sandwiched between two insulating layers
03/29/2000EP0989783A1 Organic electroluminescence element and manufacturing method therefor
03/29/2000EP0989778A1 Substrate for patterning thin film and surface treatment thereof
03/29/2000EP0989534A1 Active matrix light emitting device and method of manufacturing the same
03/29/2000EP0988653A1 Ultra-thin layer alkaline earth metals as stable electron-injecting cathodes for polymer light emitting diodes
03/29/2000EP0988353A1 Organometallic complexes
03/29/2000EP0988337A1 Fluorene-containing polymers and electroluminescent devices therefrom
03/28/2000US6043800 Head mounted liquid crystal display system
03/28/2000US6043610 Battery operated power supply including a low level boost and a high level boost
03/28/2000US6043609 Control circuit and method for illuminating an electroluminescent panel
03/28/2000US6043602 Alternating current thin film electroluminescent device having blue light emitting alkaline earth phosphor
03/23/2000WO2000015731A1 Phosphor system
03/23/2000WO2000015462A1 Systems and components for enhancing rear vision from a vehicle
03/23/2000DE19939658A1 Brightness stabilizing method for electroluminescence device, includes intermediate layer containing added metal sulfide is provided adjoining zinc sulfide fluorescent material layer
03/23/2000DE19841490A1 Failure protection device for series LED's
03/22/2000EP0987926A1 Electroluminescent light and structure for shielding the same
03/22/2000EP0987925A1 EL light emission device
03/22/2000EP0987774A2 An electrode having enhanced hole injection
03/22/2000EP0836791B1 Doped amorphous and crystalline gallium oxides, alkaline earth gallates and doped zinc germanate phosphors as electroluminescent materials
03/21/2000US6040663 Circuit arrangement
03/21/2000US6040069 Electroluminescene device with emission of polarized light
03/16/2000WO2000014814A1 Electro-luminescent arrangements with metal complexes that are bonded to fluorescent dyes
03/16/2000WO2000014813A1 Device with optical communication means
03/16/2000WO2000014174A1 Organic electroluminescence device and phenylenediamine derivative
03/16/2000WO1999060414A3 Voltage level indicator
03/16/2000DE19841803A1 Organic electroluminescent device, i.e. light-emitting diode, has hole-injecting layer of polymeric organic conductor formed by coating from solution or from sub-micron dispersion
03/16/2000DE19841270A1 Constant current control for LED
03/15/2000EP0986044A2 Display units and components thereof
03/15/2000EP0985720A1 Yttrium tantalate x-ray phosphors with reduced persistence
03/15/2000EP0985007A1 Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same
03/15/2000CN1247358A Displaying device and its parts
03/14/2000US6038153 Inverter circuit for illuminating an electroluminescent lamp
03/14/2000US6037718 Display unit having transistor of organic semiconductor stacked on organic electroluminescence element
03/14/2000US6036823 Sputtering targets of tantalum oxide, indium oxide and or tin oxide in an atmosphere of nitrogen, oxygen and argon mixtures yields amorphous dielectric layer for use with luminescent layer in electroluminescent displays, light controllers
03/14/2000US6036298 Monochromatic optical sensing system for inkjet printing
03/14/2000CA2282194A1 Electroluminescent phosphor thin films with increased brightness
03/14/2000CA2282193A1 Electroluminescent phosphor thin films
03/14/2000CA2282191A1 Electroluminescent phosphor thin films with multiple coactivator dopants
03/09/2000WO2000013470A1 Material for organic electroluminescence device and method for producing the same
03/09/2000WO2000013469A1 Preferred embodiment to led light string
03/09/2000WO2000012649A1 Phosphor powders, methods for making phosphor powders and devices incorporating same
03/09/2000WO1999039319A3 Illuminated sign system
03/09/2000DE19919944A1 Anordnung mit lichtemittierenden Dioden mit einem integrierten Schutz vor einer elektrostatischen Entladung Arrangement with light-emitting diodes with an integrated protection against electrostatic discharge
03/09/2000DE19839948A1 Elektrolumineszierende Anordnungen mit Metallkomplexen mit angeknüpften Fluoreszenzfarbstoffen Electroluminescent devices with metal complexes featuring tethered fluorescent dyes
03/09/2000CA2342321A1 Preferred embodiment to led light string
03/08/2000EP0984668A1 El element
03/08/2000CN1246886A 荧光主－客体系统 Fluorescent host - guest system
03/08/2000CN1246885A Fluorescent materials and their use
03/07/2000US6034481 Electroluminescent display with independently addressable picture elements
03/07/2000US6034380 Electroluminescent diode with mode expander
03/07/2000CA2158192C Organic electroluminescent device and process for producing the same
03/02/2000WO2000011728A1 Display devices
03/01/2000EP0982974A1 Method of producing organic el element and organic el element
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