Patents by Inventor Takamune Hattori
Takamune Hattori 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).
-
Patent number: 11437584Abstract: An organic electroluminescence element including an anode, a plurality of organic functional layers including a light-emitting layer, and a cathode in that order wherein the organic functional layer containing a compound having a structure represented by the following general formula (1) is arranged between the light-emitting layer and the cathode, wherein X, X1 to X12, R1, and L1 are as defined in the specification.Type: GrantFiled: October 23, 2017Date of Patent: September 6, 2022Assignee: KONICA MINOLTA, INC.Inventors: Shinya Otsu, Motoaki Sugino, Takamune Hattori
-
Publication number: 20200020865Abstract: An organic electroluminescence element including an anode, a plurality of organic functional layers including a light-emitting layer, and a cathode in that order wherein the organic functional layer containing a compound having a structure represented by the following general formula (1) is arranged between the light-emitting layer and the cathode, wherein X, X1 to X12, R1, and L1 are as defined in the specification.Type: ApplicationFiled: October 23, 2017Publication date: January 16, 2020Inventors: Shinya OTSU, Motoaki SUGINO, Takamune HATTORI
-
Patent number: 10411203Abstract: Provided is an organic electroluminescent element containing an anode, a cathode, and an organic functional layer containing one or a plurality of light-emitting layers, the organic functional layer being interposed between the anode and the cathode, wherein at least one of the light-emitting layers contains a compound having two condensed aromatic rings bonded to each other with a linking group; and the condensed aromatic rings form a ?-? stacking structure in the molecule.Type: GrantFiled: January 28, 2015Date of Patent: September 10, 2019Assignee: KONICA MINOLTA, INC.Inventors: Ryutaro Sugawara, Takamune Hattori, Hiroshi Kita
-
Patent number: 10135002Abstract: One objective of the present invention is to provide an organic EL element which is suppressed in change in the resistance of a light emitting layer after passing a current therethrough for a long period of time, thereby having good emission spectrum chromaticity, and which is suppressed in change in the emission characteristics over time. Another objective of the present invention is to provide a lighting device and a display device, each of which uses the organic EL element. An organic electroluminescent element of the present invention is provided with a pair of electrodes and one or more organic layers that are arranged between the pair of electrodes, and is characterized in that one or more layers among the organic layers contain a compound that has a structure represented by general formula (1).Type: GrantFiled: March 28, 2014Date of Patent: November 20, 2018Assignee: KONICA MINOLTA, INC.Inventors: Kaori Ono, Norio Miura, Takamune Hattori
-
Patent number: 9972802Abstract: The organic electroluminescent element has a pair of electrodes and at least two organic functional layers including a light-emitting layer on a substrate. The light-emitting layer contains a host compound and a phosphorescent dopant. The light-emitting layer or the layer adjacent to the light-emitting layer contains quantum dots.Type: GrantFiled: April 12, 2013Date of Patent: May 15, 2018Assignee: KONICA MINOLTA, INC.Inventors: Dai Ikemizu, Takayuki Iijima, Takamune Hattori, Yasushi Okubo, Hideo Taka
-
Patent number: 9944629Abstract: A material for an organic electroluminescent element contains a compound represented by Formula (1): where R1 to R3 independently represent a group such as a deuterium atom and a halogen atom; at least one of R1 to R3 is a group represented by Formula (2); if pluralities of R1 to R3 are present, these substituents may be the same or different or may be bonded to each other to form a ring; n1 represents an integer of 0 to 8; n2 represents an integer of 0 to 3; n3 represents an integer of 0 to 4; n1+n2+n3 is 1 or more; Cbz represents a carbazolyl group; X represents an oxygen atom or a sulfur atom; and L1 represents a single bond or a divalent linking group.Type: GrantFiled: December 2, 2013Date of Patent: April 17, 2018Assignee: KONICA MINOLTA, INC.Inventors: Takamune Hattori, Norio Miura, Kaori Ono
-
Patent number: 9666818Abstract: A tandem-type organic photoelectric conversion element has at least a first electrode, a second electrode, and a plurality of bulk heterojunction layers each comprising a p-type organic semiconductor material and an n-type organic semiconductor material. The tandem-type organic photoelectric conversion element and a solar battery are characterized in that when the absorption wavelengths of the bulk heterojunction layers are such that a second bulk heterojunction layer absorbs up to a longer wavelength than a first bulk heterojunction layer, the LUMO energy level (LUMO(n1)) of the film of the n-type semiconductor in the first bulk heterojunction layer and the LUMO energy level (LUMO(n2)) of the film of the n-type semiconductor in the second bulk heterojunction layer satisfy the following equation (1): 0.4 eV?LUMO(n1)?LUMO(n2)?0.1 eV??(1).Type: GrantFiled: September 8, 2010Date of Patent: May 30, 2017Assignee: KONICA MINOLTA HOLDINGS, INC.Inventors: Yasushi Okubo, Noriko Yasukawa, Hiroaki Itoh, Takamune Hattori
-
Publication number: 20160336522Abstract: Provided is an organic electroluminescent element containing an anode, a cathode, and an organic functional layer containing one or a plurality of light-emitting layers, the organic functional layer being interposed between the anode and the cathode, wherein at least one of the light-emitting layers contains a compound having two condensed aromatic rings bonded to each other with a linking group; and the condensed aromatic rings form a ?-? stacking structure in the molecule.Type: ApplicationFiled: January 28, 2015Publication date: November 17, 2016Inventors: Ryutaro SUGAWARA, Takamune HATTORI, Hiroshi KITA
-
Patent number: 9318707Abstract: An organic photoelectric conversion element which sequentially comprises a transparent first electrode, a photoelectric conversion layer that contains a p-type organic semiconductor material and an n-type organic semiconductor material, and a second electrode in this order on a transparent substrate.Type: GrantFiled: November 14, 2012Date of Patent: April 19, 2016Assignee: KONICA MINOLTA, INC.Inventors: Takamune Hattori, Yasushi Okubo
-
Publication number: 20160056392Abstract: One objective of the present invention is to provide an organic EL element which is suppressed in change in the resistance of a light emitting layer after passing a current therethrough for a long period of time, thereby having good emission spectrum chromaticity, and which is suppressed in change in the emission characteristics over time. Another objective of the present invention is to provide a lighting device and a display device, each of which uses the organic EL element. An organic electroluminescent element of the present invention is provided with a pair of electrodes and one or more organic layers that are arranged between the pair of electrodes, and is characterized in that one or more layers among the organic layers contain a compound that has a structure represented by general formula (1).Type: ApplicationFiled: March 28, 2014Publication date: February 25, 2016Inventors: Kaori ONO, Norio MIURA, Takamune HATTORI
-
Publication number: 20150322337Abstract: A material for an organic electroluminescent element contains a compound represented by Formula (1): where R1 to R3 independently represent a group such as a deuterium atom and a halogen atom; at least one of R1 to R3 is a group represented by Formula (2); if pluralities of R1 to R3 are present, these substituents may be the same or different or may be bonded to each other to form a ring; n1 represents an integer of 0 to 8; n2 represents an integer of 0 to 3; n3 represents an integer of 0 to 4; n1+n2+n3 is 1 or more; Cbz represents a carbazolyl group; X represents an oxygen atom or a sulfur atom; and L1 represents a single bond or a divalent linking group.Type: ApplicationFiled: December 2, 2013Publication date: November 12, 2015Inventors: Takamune HATTORI, Norio MIURA, Kaori ONO
-
Publication number: 20150076469Abstract: The organic electroluminescent element has a pair of electrodes and at least two organic functional layers including a light-emitting layer on a substrate. The light-emitting layer contains a host compound and a phosphorescent dopant. The light-emitting layer or the layer adjacent to the light-emitting layer contains quantum dots.Type: ApplicationFiled: April 12, 2013Publication date: March 19, 2015Inventors: Dai Ikemizu, Takayuki Iijima, Takamune Hattori, Yasushi Okubo, Hideo Taka
-
Publication number: 20140338750Abstract: The present invention has an object to provide an organic photoelectric conversion element exhibiting excellent durability. The present invention is to provide an organic photoelectric conversion element comprising a conjugated polymer compound having a partial structure represented by the following Chemical Formula 1. wherein X independently represents O, S, NR2, or CR3?CR4; W independently represents CH or N; L independently represents a linear or branched alkylene group having 1 to 10 carbon atoms; Y1 and Y2 independently represent O or NR5; Z independently represents C, S, or P; R1 to R5 independently represent H, a linear or branched alkyl group having 1 to 24 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, or a heteroaryl group having 1 to 20 carbon atoms; and a, b, and c independently represent an integer satisfying the relation: 3?a+b+c?4 and 0?a, b, c?2.Type: ApplicationFiled: December 10, 2012Publication date: November 20, 2014Inventors: Takayuki Iijima, Yasushi Okubo, Takamune Hattori
-
Publication number: 20140319509Abstract: An organic photoelectric conversion element which sequentially comprises a transparent first electrode, a photoelectric conversion layer that contains a p-type organic semiconductor material and an n-type organic semiconductor material, and a second electrode in this order on a transparent substrate.Type: ApplicationFiled: November 14, 2012Publication date: October 30, 2014Inventors: Takamune Hattori, Yasushi Okubo
-
Patent number: 8437067Abstract: Provided is an electrochemical display element composed of a simple member structure, capable of driving at low voltage, and exhibiting high display contrast and white display reflectance, and further to provide the electrochemical display element exhibiting reduced variation in reflectance during repetitive driving even after storage for a long duration. Disclosed is an electrochemical display element possessing an N-oxyl derivative represented by the following Formula (1), an electrolyte and a pair of facing electrodes: wherein each of R1, R2, R3 and R4 independently represents an aliphatic hydrocarbon group, an aromatic hydrocarbon group or a heterocyclic group, which may have a hydrogen atom or a substituent; Z1 represents a group of atoms having 2 or 3 atoms to form a cyclic structure; and Z1 may also have a substituent.Type: GrantFiled: February 23, 2009Date of Patent: May 7, 2013Assignee: Konica Minolta Holdings, Inc.Inventors: Takamune Hattori, Osamu Ishige, Takeshi Hakii
-
Publication number: 20120199186Abstract: A tandem-type organic photoelectric conversion element has at least a first electrode, a second electrode, and a plurality of bulk heterojunction layers each comprising a p-type organic semiconductor material and an n-type organic semiconductor material. The tandem-type organic photoelectric conversion element and a solar battery are characterized in that when the absorption wavelengths of the bulk heterojunction layers are such that a second bulk heterojunction layer absorbs up to a longer wavelength than a first bulk heterojunction layer, the LUMO energy level (LUMO(n1)) of the film of the n-type semiconductor in the first bulk heterojunction layer and the LUMO energy level (LUMO(n2)) of the film of the n-type semiconductor in the second bulk heterojunction layer satisfy the following equation (1): 0.4 eV?LUMO(n1)?LUMO(n2)?0.1 eV . . .Type: ApplicationFiled: September 8, 2010Publication date: August 9, 2012Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Yasushi Okubo, Noriko Yasukawa, Hiroaki Itoh, Takamune Hattori
-
Publication number: 20110013261Abstract: Provided is an electrochemical display element composed of a simple member structure, capable of driving at low voltage, and exhibiting high display contrast and white display reflectance, and further to provide the electrochemical display element exhibiting reduced variation in reflectance during repetitive driving even after storage for a long duration. Disclosed is an electrochemical display element possessing an N-oxyl derivative represented by the following Formula (1), an electrolyte and a pair of facing electrodes: wherein each of R1, R2, R3 and R4 independently represents an aliphatic hydrocarbon group, an aromatic hydrocarbon group or a heterocyclic group, which may have a hydrogen atom or a substituent; Z1 represents a group of atoms having 2 or 3 atoms to form a cyclic structure; and Z1 may also have a substituent.Type: ApplicationFiled: February 23, 2009Publication date: January 20, 2011Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Takamune Hattori, Osamu Ishige, Takeshi Hakii