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Djurovich, CA

Peter Djurovich, Long Beach, CA US

Patent application numberDescriptionPublished
20090111989ORGANIC LIGHT EMITTING MATERIALS WITH ANIONIC LIGAND - Emissive phosphorescent organometallic compounds that produce electroluminescence and organic light emitting devices employing such emissive phosphorescent organometallic compounds are provided. More specifically the present invention is directed to novel primarily non-emitting ligands which produce a blue shift in emitted light when associated with a cyclometallated ligand.04-30-2009
20090140640LUMINESCENT COMPOUNDS WITH CARBENE LIGANDS - An organic light emitting device is provided. The device has an anode, a cathode and an organic layer disposed between the anode and the cathode. The organic layer comprises a compound further comprising one or more carbene ligands coordinated to a metal center.06-04-2009
20090209760ORGANOMETALLIC COMPLEXES AS PHOSPHORESCENT EMITTERS IN ORGANIC LEDS - Organic light emitting devices are described wherein the emissive layer comprises a host material containing an emissive molecule, which molecule is adapted to luminesce when a voltage is applied across the heterostructure, and the emissive molecule is selected from the group of phosphorescent organometallic complexes, including cyclometallated platinum, iridium and osmium complexes. The organic light emitting devices optionally contain an exciton blocking layer. Furthermore, improved electroluminescent efficiency in organic light emitting devices is obtained with an emitter layer comprising organometallic complexes of transition metals of formula L08-20-2009
20090243468ARYLIMINO-ISOINDOLINE COMPLEXES FOR USE IN ORGANIC LIGHT EMITTING DIODES - Materials comprising emissive arylimino-isoindoline complexes comprising 1,3-bis(2-pyridylimino)isoindoline (BPI) transition metal and lanthanide complexes as described. Organic light emitting devices comprising these complexes are also described.10-01-2009
20100007273CARBENE METAL COMPLEXES AS OLED MATERIALS - An organic light emitting device having an anode, a cathode and an organic layer disposed between the anode and the cathode is provided. In one aspect, the organic layer comprises a compound having at least one zwitterionic carbon donor ligand. In another aspect, the organic layer comprises a carbene compound, including the following:01-14-2010
20100013386NEAR INFRARED EMITTING ORGANIC COMPOUNDS AND ORGANIC DEVICES USING THE SAME - Certain iridium compounds which may comprise an iridium(III)-ligand complex having the general formula: (ĈN)01-21-2010
20110285280ORGANOMETALLIC COMPLEXES AS PHOSPHORESCENT EMITTERS IN ORGANIC LEDS - Organic light emitting devices are described wherein the emissive layer comprises a host material containing an emissive molecule, which molecule is adapted to luminesce when a voltage is applied across the heterostructure, and the emissive molecule is selected from the group of phosphorescent organometallic complexes, including cyclometallated platinum, iridium and osmium complexes. The organic light emitting devices optionally contain an exciton blocking layer. Furthermore, improved electroluminescent efficiency in organic light emitting devices is obtained with an emitter layer comprising organometallic complexes of transition metals of formula L11-24-2011

Patent applications by Peter Djurovich, Long Beach, CA US

Peter Djurovich, Los Angeles, CA US

Patent application numberDescriptionPublished
20100000606ORGANIC PHOTOSENSITIVE DEVICES - The present invention generally relates to organic photosensitive optoelectronic devices. More specifically, it is directed to organic photovoltaic devices, e.g., organic solar cells. More specifically, it is directed to organic photosensitive optoelectronic devices that comprise a cyclometallated organometallic compound as a light absorbing material.01-07-2010

Patent applications by Peter Djurovich, Los Angeles, CA US

Peter I. Djurovich, Long Beach, CA US

Patent application numberDescriptionPublished
20080281098Organometallic compounds and emission-shifting organic electrophosphorescence - Emissive phosphorescent organometallic compounds are described that produce improved electroluminescence, particularly in the blue region of the visible spectrum. Organic light emitting devices employing such emissive phosphorescent organometallic compounds are also described. Also described is an organic light emitting layer including a host material having a lowest triplet excited state having a decay rate of less than about 1 per second; a guest material dispersed in the host material, the guest material having a lowest triplet excited state having a radiative decay rate of greater than about 1×1011-13-2008
20090044864ORGANIC PHOTOSENSITIVE OPTOELECTRONIC DEVICES WITH TRIPLET HARVESTING - There is disclosed an organic photosensitive optoelectronic devices comprising organic photoconductive materials, which comprise singlet fission host materials doped with triplet forming materials. There is also disclosed devices made from such materials, such as an organic photovoltaic cell, a photoconductor cell, a photodetector, organic photosensors, chemical sensors, and biological sensors. Methods of fabricating such devices are also disclosed.02-19-2009

Patent applications by Peter I. Djurovich, Long Beach, CA US

Peter Ivan Djurovich, Los Angeles, CA US

Patent application numberDescriptionPublished
20120007061Luminescent Cyclometallated Iridium(III) Complexes Having Acetylide Ligands - The present invention relates to phosphorescent (triplet-emitting) organometallic materials. The phosphorescent materials of the present invention comprise Ir(III)cyclometallated alkynyl complexes for use as triplet light-emitting materials. The Ir(III)cyclometallated alkynyl complexes comprise at least one cyclometallating ligand and at least one alkynyl ligand bonded to the iridium. Also provided is an organic light emitting device comprising an anode, a cathode and an emissive layer between the anode and the cathode, wherein the emissive layer comprises a Ir(III)cyclometallated alkynyl complex as a triplet emitting material.01-12-2012