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Musubu Ichikawa

Musubu Ichikawa, Ueda City JP

Patent application numberDescriptionPublished
20110001128COLOR UNIT AND IMAGING DEVICE HAVING THE SAME - A color unit is disclosed in which is included in an imaging device. The color unit includes; a first p-type electrode layer disposed on a light receiving side of the color unit, and including a light-absorptive organic material which selectively absorbs a wavelength other than a desired wavelength in a visible light band of the electromagnetic spectrum, a second p-type electrode layer disposed under the first p-type electrode layer and including a light-absorptive organic material which absorbs a desired wavelength and an n-type electrode layer disposed under the second p-type electrode layer and including an organic material, wherein photoelectric conversion is performed through a p-n junction between the second p-type electrode layer and the n-type electrode layer and light of the desired wavelength is converted into electrical current.01-06-2011
20110001129SUBSTITUTED BIPYRIDYL COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE - [Problem] To provide an organic compound which shows an excellent electron-injecting/transporting performance, has a hole-blocking ability and shows a high stability as a film, that is, having excellent characteristics as a material for organic electroluminescent device having high efficiency and high durability; and to provide an organic EL device comprising the compound and having high efficiency and high durability.01-06-2011

Musubu Ichikawa, Ueda-Shi JP

Patent application numberDescriptionPublished
20100066244COMPOUND HAVING OXADIAZOLE RING STRUCTURE SUBSTITUTED WITH PYRIDYL GROUP AND ORGANIC ELECTROLUMINESCENCE DEVICE - The present invention relates to a compound having an oxadiazole ring structure having a substituted pyridyl group connected thereto, represented by the following general formula (1).03-18-2010
20100102238LUMINESCENCE QUANTUM EFFICIENCY MEASURING INSTRUMENT - A luminescence quantum efficiency measuring instrument is provided for easily and surely changing luminescence of a luminescent sample exhibiting strong luminescence anisotropy into an isotropic luminescence and for accurately measuring the luminescence quantum efficiency of the luminescent sample. The luminescence quantum efficiency measuring instrument comprises an integrating sphere (04-29-2010
20110115368ARYLAMINE COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE - The present invention provides an arylamine compound having a molecular weight of from 1500 to 6000 represented by the general formula (1):05-19-2011
20110133171ARYLAMINE COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE - This invention relates to an arylamine compound having a molecular weight of 1,500 to 6,000 represented by formula (1), and to an organic electroluminescence device having a pair of electrodes and at least one organic layer sandwiched therebetween, wherein the arylamine compound of formula (1) is used as a constituting material of the at least one organic layer:06-09-2011

Patent applications by Musubu Ichikawa, Ueda-Shi JP

Musubu Ichikawa, Nagano JP

Patent application numberDescriptionPublished
20090102361COMPOUND HAVING TRIAZOLE RING STRUCTURE SUBSTITUTED WITH PYRIDYL GROUP AND ORGANIC ELECTROLUMINESCENT DEVICE - An object of the invention is to provide an organic compound having excellent electron transport property and hole blocking property as a material for a highly efficient organic EL device, and also provide a highly efficient organic EL device using the compound. This invention relates to a compound having a triazole ring structure to which a substituted pyridyl group is bonded, represented by the following general formula (1), and to an organic electroluminescence device comprising the compound:04-23-2009
20090230849COMPOUND HAVING OXADIAZOLE RING STRUCTURE BONDED WITH AROMATIC HETEROCYCLIC RING AND ORGANIC ELECTROLUMINESCENT DEVICE - An object of the invention is to provide an organic compound having excellent characteristics as a material for highly efficient and highly durable organic EL devices, and also to provide a highly efficient and highly durable organic EL device. This invention relates to a compound represented by the general formula (1) having an oxadiazole ring structure bonded with an aromatic heterocycle, and to an organic electroluminescence device containing the compound:09-17-2009
20090278442ARYLAMINE COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE - Objects of the invention are to provide a compound of a single molecular species having excellent hole injection/transport property suitable for highly efficient and highly durable organic EL device and excellent amorphousness, and provide a highly efficient and highly durable organic EL device using the compound. This invention relates to an arylamine compound having a molecular weight of 1,500 to 6,000 represented by the following general formula (11-12-2009
20100090588COMPOUND HAVING TRIAZINE RING STRUCTURE SUBSTITUTED WITH PYRIDYL GROUP AND ORGANIC ELECTROLUMINESCENT DEVICE - The present invention is to provide an organic compound having excellent characteristics as a material for an organic EL device having a high efficiency and a high durability, and to provide an organic EL device having a high efficiency and a high durability using the compound. The invention relates to a compound having a triazine ring structure having pyridyl groups attached thereto, which is represented by the general formula (1); and to an organic electroluminescent device comprising a pair of electrodes and at least one organic layer interposed between the electrodes, wherein the compound is used as a constituent material of at least one of the organic layer(s):04-15-2010

Patent applications by Musubu Ichikawa, Nagano JP