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Hidetsugu Ikeda, Chiba JP

Hidetsugu Ikeda, Chiba JP

Patent application numberDescriptionPublished
20090009073Oligoarylene Derivatives and Organic Electroluminescent Devices Made By Using The Same - There are provided oligoarylene derivatives capable of emitting blue light at high luminous efficiency which are represented by the following general formulae (1) to (4):01-08-2009
20090009074Oligoarylene Derivatives and Organic Electroluminescent Devices Made By Using The Same - There are provided oligoarylene derivatives capable of emitting blue light at high luminous efficiency which are represented by the following general formulae (1) to (4):01-08-2009
20090085469LUMINESCENT METAL COMPLEX, METHOD FOR PRODUCING SAME AND ORGANIC ELECTROLUMINESCENT LIGHT-EMITTING DEVICE USING SAME - A metal complex compound with a structure containing metals such as iridium, and a monodentate ligand such as a hydrogen atom other than a bidentate ligand. An employment of a metal compound with a ligand having two oxygen atoms as a material for preparing the metal complex compound. An organic electroluminescence device being composed of one or more organic thin film layers having at least a light emitting layer sandwiched between a pair of electrodes wherein at least one of the organic thin film layer contains the metal complex compound. The organic electroluminescence device has an excellent stability, a great efficiency and a long lifetime of light emission due to the metal complex compound.04-02-2009
20100084971MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTROLUMINESCENCE DEVICE EMPLOYING THE SAME - A material for organic electroluminescence devices comprising a compound having a specific structure and an organic electroluminescence device comprising an organic thin film layer which comprises one layer or a plurality of layers comprising at least a light emitting layer and disposed between a cathode and an anode, wherein at least one layer in the organic thin film layer comprises the material for organic electroluminescence devices, are provided. The material provides the organic electroluminescence device exhibiting a great efficiency of light emission, having no defect pixels, exhibiting excellent heat resistance and having a long life.04-08-2010
20100277062METAL COMPLEX COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT USING THE SAME - The present invention provides a novel metal complex compound represented by the following general formula (1), and an organic electroluminescence element which has a high efficiency of light emission and a long lifetime, wherein one of organic thin film layers including at least a light emitting layer between an anode and a cathode, a least one of the organic thin film layers contains the metal complex compounds.11-04-2010
20110240125INDENOPYRENE COMPOUND, ORGANIC THIN FILM SOLAR CELL MATERIAL USING THE SAME, AND ORGANIC THIN FILM SOLAR CELL - A specified indenopyrene compound containing a disubstituted amino group substituted with a group having a carbon number of from 1 to 40, which is a useful indenopyrene compound as an organic electronics material, and in particular, an indenopyrene compound which when used for organic thin film solar cells, displays a photoelectric conversion characteristic with high efficiency, is provided.10-06-2011
20110259425ORGANIC THIN FILM SOLAR CELL - An organic thin film solar cell including a pair of electrodes and at least one organic layer including two or more organic compounds, which is between the pair of electrodes, wherein a difference (ΔAf) in affinity levels between the two main organic compounds of the at least two organic compounds satisfies the following equation (a):10-27-2011

Patent applications by Hidetsugu Ikeda, Chiba JP