Patents by Inventor Shunji Mochiduki
Shunji Mochiduki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11407709Abstract: An aryldiamine compound represented by formula (1) and an organic electroluminescent device including a pair of electrodes and at least one organic layer disposed therebetween wherein the at least one organic layer contains the aryldiamine compound. The aryldiamine compound is excellent in hole transporting properties, hole injection properties, electron blocking properties, stability in thin film form, and heat resistance. The organic electroluminescent device achieves high emission efficiency and power efficiency, drives at a low voltage, and, in particular, has a long life.Type: GrantFiled: September 7, 2017Date of Patent: August 9, 2022Assignee: HODOGAYA CHEMICAL CO., LTD.Inventors: Takeshi Yamamoto, Kouki Kase, Shunji Mochiduki
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Patent number: 11217754Abstract: According to the present invention, there is provided an organic electroluminescent device which has an anode, a hole transport layer, a luminous layer, an electron transport layer, and a cathode arranged in order of description. The device is characterized in that: the hole transport layer includes a specific arylamine compound, and that the luminous layer includes a specific indenoindole derivative or a specific carbazole derivative. The organic EL device of the present invention has improved efficiency of hole transport from the hole transport layer to the luminous layer and also improved efficiency of electron transport from the electron transport layer to the luminous layer, in comparison to conventional organic EL devices.Type: GrantFiled: July 27, 2015Date of Patent: January 4, 2022Assignees: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.Inventors: Shuichi Hayashi, Naoaki Kabasawa, Shunji Mochiduki, Se-Jin Lee, Oun-gyu Lee, Bong-Ki Shin
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Publication number: 20200231534Abstract: An aryldiamine compound represented by formula (1) and an organic electroluminescent device including a pair of electrodes and at least one organic layer disposed therebetween wherein the at least one organic layer contains the aryldiamine compound. The aryldiamine compound is excellent in hole transporting properties, hole injection properties, electron blocking properties, stability in thin film form, and heat resistance. The organic electroluminescent device achieves high emission efficiency and power efficiency, drives at a low voltage, and, in particular, has a long life.Type: ApplicationFiled: September 7, 2017Publication date: July 23, 2020Applicant: HODOGAYA CHEMICAL CO., LTD.Inventors: Takeshi YAMAMOTO, Kouki KASE, Shunji MOCHIDUKI
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Patent number: 10559759Abstract: The organic EL device of the present invention has an anode, a first hole transport layer, a second hole transport layer, a luminous layer, an electron transport layer, and a cathode in the order of description.Type: GrantFiled: January 5, 2016Date of Patent: February 11, 2020Assignee: HODOGAYA CHEMICAL CO., LTD.Inventors: Shuichi Hayashi, Naoaki Kabasawa, Shunji Mochiduki
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Patent number: 10505119Abstract: The organic EL device of the present invention has an anode, a hole transport layer, a luminous layer, an electron transport layer, and a cathode in the order of description. The hole transport layer includes an arylamine compound represented by the following general formula (1): in the formula, Ar1 to Ar4 each represent a monovalent aromatic hydrocarbon group or a monovalent aromatic heterocyclic group, and the luminous layer includes an N-aromatic substituted nitrogen-containing heterocyclic compound.Type: GrantFiled: January 5, 2016Date of Patent: December 10, 2019Assignees: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.Inventors: Norimasa Yokoyama, Shuichi Hayashi, Takeshi Yamamoto, Naoaki Kabasawa, Daizo Kanda, Shunji Mochiduki, Se-Jin Lee, Oun-gyu Lee, Bong-Ki Shin
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Patent number: 10424742Abstract: The organic EL device of the invention has, in order, an anode, a hole transport layer, a luminous layer, an electron transport layer and a cathode. The hole transport layer includes an indenoacridan derivative represented by the following general formula (1), and the luminous layer includes an N-aromatic substituted indenoindole compound and/or an N-aromatic substituted carbazole compound. In the formula, A1 is a divalent aromatic hydrocarbon group, a divalent aromatic heterocyclic group or a single bond, B is a monovalent aromatic hydrocarbon group; a monovalent aromatic heterocyclic group; or a disubstituted amino group having, as a substituent, a monovalent aromatic hydrocarbon group or a monovalent aromatic heterocyclic group; and R1 to R14 each represent a hydrogen atom or an alkyl group.Type: GrantFiled: August 6, 2015Date of Patent: September 24, 2019Assignees: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTDInventors: Shuichi Hayashi, Daizou Kanda, Shunji Mochiduki, Se-Jin Lee, Oun-gyu Lee, Bong-Ki Shin
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Publication number: 20180212153Abstract: According to the present invention, there is provided an organic electroluminescent device which has an anode, a hole transport layer, a luminous layer, an electron transport layer, and a cathode arranged in order of description. The device is characterized in that: the hole transport layer includes a specific arylamine compound, and that the luminous layer includes a specific indenoindole derivative or a specific carbazole derivative. The organic EL device of the present invention has improved efficiency of hole transport from the hole transport layer to the luminous layer and also improved efficiency of electron transport from the electron transport layer to the luminous layer, in comparison to conventional organic EL devices.Type: ApplicationFiled: July 27, 2015Publication date: July 26, 2018Applicants: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.Inventors: Shuichi HAYASHI, Naoaki KABASAWA, Shunji MOCHIDUKI, Se-Jin LEE, Oun-gyu LEE, Bong-Ki SHIN
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Patent number: 9905775Abstract: The present invention provides an organic electroluminescent device having at least an anode, a hole transport layer, a luminous layer, an electron transport layer, and a cathode in this order, wherein the hole transport layer contains an arylamine compound having a specific structure, and the luminous layer contains an indenoindole derivative or a carbazole derivative having a specific structure. The organic EL device of the present invention is an organic EL device improved in luminous efficiency, driving voltage and durability.Type: GrantFiled: January 5, 2016Date of Patent: February 27, 2018Assignees: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTDInventors: Shuichi Hayashi, Naoaki Kabasawa, Shunji Mochiduki, Se-Jin Lee, Oun-gyu Lee, Bong-Ki Shin
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Publication number: 20180026198Abstract: The organic EL device of the present invention has an anode, a hole transport layer, a luminous layer, an electron transport layer, and a cathode in the order of description. The hole transport layer includes an arylamine compound represented by the following general formula (1): in the formula, Ar1 to Ar4 each represent a monovalent aromatic hydrocarbon group or a monovalent aromatic heterocyclic group, and the luminous layer includes an N-aromatic substituted nitrogen-containing heterocyclic compound.Type: ApplicationFiled: January 5, 2016Publication date: January 25, 2018Applicants: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.Inventors: Norimasa YOKOYAMA, Shuichi HAYASHI, Takeshi YAMAMOTO, Naoaki KABASAWA, Daizo KANDA, Shunji MOCHIDUKI, Se-Jin LEE, Oun-gyu LEE, Bong-Ki SHIN
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Publication number: 20170358754Abstract: The organic EL device of the present invention has an anode, a first hole transport layer, a second hole transport layer, a luminous layer, an electron transport layer, and a cathode in the order of description.Type: ApplicationFiled: January 5, 2016Publication date: December 14, 2017Applicant: HODOGAYA CHEMICAL CO., LTD.Inventors: Shuichi HAYASHI, Naoaki KABASAWA, Shunji MOCHIDUKI
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Publication number: 20170358753Abstract: The present invention provides an organic electroluminescent device having at least an anode, a hole transport layer, a luminous layer, an electron transport layer, and a cathode in this order, wherein the hole transport layer contains an arylamine compound having a specific structure, and the luminous layer contains an indenoindole derivative or a carbazole derivative having a specific structure. The organic EL device of the present invention is an organic EL device improved in luminous efficiency, driving voltage and durability.Type: ApplicationFiled: January 5, 2016Publication date: December 14, 2017Applicants: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTDInventors: Shuichi HAYASHI, Naoaki KABASAWA, Shunji MOCHIDUKI, Se-Jin LEE, Oun-gyu LEE, Bong-Ki SHIN
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Publication number: 20170271599Abstract: The organic EL device of the invention has, in order, an anode, a hole transport layer, a luminous layer, an electron transport layer and a cathode. The hole transport layer includes an indenoacridan derivative represented by the following general formula (1), and the luminous layer includes an N-aromatic substituted indenoindole compound and/or an N-aromatic substituted carbazole compound. In the formula, A1 is a divalent aromatic hydrocarbon group, a divalent aromatic heterocyclic group or a single bond, B is a monovalent aromatic hydrocarbon group; a monovalent aromatic heterocyclic group; or a disubstituted amino group having, as a substituent, a monovalent aromatic hydrocarbon group or a monovalent aromatic heterocyclic group; and R1 to R14 each represent a hydrogen atom or an alkyl group.Type: ApplicationFiled: August 6, 2015Publication date: September 21, 2017Applicants: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.Inventors: Shuichi HAYASHI, Daizou KANDA, Shunji MOCHIDUKI, Se-Jin LEE, Oun-gyu LEE, Bong-Ki SHIN
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Publication number: 20170117481Abstract: An organic electroluminescent device having high efficiency, low driving voltage and a long lifetime is provided by combining various materials for an organic electroluminescent device, which are excellent, as materials for an organic electroluminescent device having high efficiency and high durability, in hole and electron injection/transport performances, electron blocking ability, stability in a thin-film state and durability, so as to allow the respective materials to effectively reveal their characteristics. In the organic electroluminescent device having at least an anode, a hole transport layer, a light emitting layer, an electron transport layer and a cathode in this order, the hole transport layer includes an arylamine compound of the following general formula (1), and the electron transport layer includes a compound the following general formula (2) having an anthracene ring structure.Type: ApplicationFiled: June 17, 2015Publication date: April 27, 2017Inventors: Naoaki Kabasawa, Daizou Kanda, Norimasa Yokoyama, Shuichi Hayashi, Shunji Mochiduki
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Patent number: 9005776Abstract: A compound having a benzotriazole ring structure and a formula (1): wherein Ar is a substituted or unsubstituted aromatic hydrocarbon group, aromatic heterocyclic group, or condensed polycyclic aromatic group; A and B are the same as or different from each other and each represent a hydrogen atom or a monovalent group of formula (2), provided that A and B are not simultaneously hydrogen atoms: wherein R1 to R8 are the same as or different and each represent a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a cyano group, a trifluoromethyl group, a linear or branched alkyl group having 1 to 6 carbon atoms, aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or condensed polycyclic aromatic group; m is an integer of 0, 1 or 2; X represents a carbon atom or a nitrogen atom; when X is a nitrogen atom, the nitrogen atom does not have substituents or bonding groups of R1, R2, R3 and R4; and when m is 2, a plurality of R1, R2, R3, R4 and X each are theType: GrantFiled: March 17, 2010Date of Patent: April 14, 2015Assignees: Hodogaya Chemical Co., Ltd., Shinshu UniversityInventors: Norimasa Yokoyama, Shuichi Hayashi, Naoaki Kabasawa, Yoshio Taniguchi, Musubu Ichikawa, Shunji Mochiduki
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Publication number: 20120012831Abstract: A compound having a benzotriazole ring structure and a formula (1): wherein Ar is a substituted or unsubstituted aromatic hydrocarbon group, aromatic heterocyclic group, or condensed polycyclic aromatic group; A and B are the same as or different from each other and each represent a hydrogen atom or a monovalent group of formula (2), provided that A and B are not simultaneously hydrogen atoms: wherein R1 to R8 are the same as or different and each represent a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a cyano group, a trifluoromethyl group, a linear or branched alkyl group having 1 to 6 carbon atoms, aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or condensed polycyclic aromatic group; m is an integer of 0, 1 or 2; X represents a carbon atom or a nitrogen atom; when X is a nitrogen atom, the nitrogen atom does not have substituents or bonding groups of R1, R2, R3 and R4; and when m is 2, a plurality of R1, R2, R3, R4 and X each are the sType: ApplicationFiled: March 17, 2010Publication date: January 19, 2012Applicants: Shinshu University, Hodogaya Chemical Co., Ltd.Inventors: Norimasa Yokoyama, Shuichi Hayashi, Naoaki Kabasawa, Yoshio Taniguchi, Musubu Ichikawa, Shunji Mochiduki