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Masayoshi Yabe

Masayoshi Yabe, Yokohama-Shi JP

Patent application numberDescriptionPublished
20100243992ORGANIC ELECTROLUMINESCENCE DEVICE - [Problem to be Solved by the Invention] An organic electroluminescence device having a longer drive life is provided.09-30-2010

Masayoshi Yabe, Kanagawa JP

Patent application numberDescriptionPublished
20090021146ORGANIC COMPOUND, CHARGE TRANSPORT MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE - An organic compound is represented by following Formula (I):01-22-2009
20090066223ORGANIC ELECTRIC FIELD LIGHT EMITTING ELEMENT AND PRODUCTION THEREFOR - A composition for an organic electroluminescent device is a composition for forming an organic light emitting layer of an organic electroluminescent device by wet coating process. The composition contains a phosphorescent material, a charge transport material, and a solvent, in which the phosphorescent material and the charge transport material are each an unpolymerized organic compound, and the first oxidation potential of the phosphorescent material E03-12-2009
20090134779ORGANIC ELECTROLUMINESCENCE ELEMENT - Disclosed is an organic electroluminescent device having a longer drive life. Specifically disclosed is an organic electroluminescent device (05-28-2009
20090230846MONOAMINE COMPOUND, CHARGE-TRANSPORTING MATERIAL, AND ORGANIC ELECTROLUMINESCENT DEVICE - The present invention provides an organic electroluminescent device exhibiting a long life, a high luminance, and a high efficiency.09-17-2009
20090236973ORGANIC COMPOUND, CHARGE-TRANSPORTING MATERIAL, AND ORGANIC ELECTROLUMINESCENT ELEMENT - An organic compound and a charge-transporting material which are excellent in both a hole-transporting property and an electron-transporting property and have excellent electrical oxidation/reduction durability and a high triplet excitation level are provided, and an organic electroluminescent device which uses this organic compound and has high luminous efficiency and high driving stability and long lifetime is provided. One molecule of the organic compound has two or more partial structures represented by the following Formula (I):09-24-2009
20090284134ORGANIC COMPOUND, CHARGE-TRANSPORTING MATERIAL, COMPOSITION FOR CHARGE-TRANSPORTING MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE - An organic compound having excellent heat resistance, an excellent amorphous nature, an excellent ability to transport charges, highly excited singlet and triplet states, and excellent solubility in an organic solvent is an organic compound represented by Formula (I):11-19-2009
20100090590ORGANIC ELECTROLUMINESCENCE DEVICE AND METHOD OF PRODUCING ORGANIC DEVICE - To provide an organic electroluminescence device that can suppress rise in the driving voltage at the time of constant-current energization and degradation in brightness at the time of energization, and thus excels in its driving lifetime, the organic electroluminescence device comprises: a substrate; an anode and a cathode overlying the substrate; and a plurality of organic layers disposed between the anode and the cathode, and the plurality of organic layers comprise at least: a first layer formed by means of polymerization of a polymerizable compound; and a second layer disposed adjacently to the first layer and containing a polymerization initiator.04-15-2010

Patent applications by Masayoshi Yabe, Kanagawa JP

Masayoshi Yabe, Yokohama-Shi, Kanagawa JP

Patent application numberDescriptionPublished
20090191426ORGANIC COMPOUND, CHARGE-TRANSPORTING MATERIAL, AND ORGANIC ELECTROLUMINESCENT ELEMENT - There are provided an organic having both excellent hole transporting property and satisfactory electron transporting and showing excellent durability against electric oxidation/reduction and a high triplet excitation level, and a charge transporting material and an organic electroluminescent device each using the organic compound. The organic compound is represented by following Formula (I): 07-30-2009

Masayoshi Yabe, Tokyo JP

Patent application numberDescriptionPublished
20110108814POLYMER COMPOUND, NET-LIKE POLYMER COMPOUND PRODUCED BY CROSSLINKING THE POLYMER COMPOUND, COMPOSITION FOR ORGANIC ELECTROLUMINESCENCE ELEMENT, ORGANIC ELECTROLUMINESCENCE ELEMENT, ORGANIC EL DISPLAY, AND ORGANIC EL LIGHTING - An object of the invention is to provide a polymer compound having a high hole transport capacity, excellent in electrochemical stability, and suitable to film formation according to a wet film formation method. Another object of the invention is to provide an organic electroluminescence element having a high current efficiency, a low drive voltage, and a long derive lifetime. The polymer compound has a crosslinking group bonding to the arylamine moiety in the repeating unit via at least one single bond therebetween.05-12-2011