Patents by Inventor Yoshiaki TSUKAMOTO
Yoshiaki TSUKAMOTO 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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Publication number: 20240131724Abstract: A robot capable of performing precise work is provided. The robot includes an actuator unit and an end effector provided at a tip of the actuator unit. The end effector includes a first sensor capable of detecting a pressure distribution in a contact region coming into contact with a workpiece, and a second sensor capable of detecting position information of the contact region.Type: ApplicationFiled: February 28, 2022Publication date: April 25, 2024Inventors: KEI TSUKAMOTO, SATOKO NAGAKARI, YOSHIAKI SAKAKURA, KEN KOBAYASHI, TETSURO GOTO
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Publication number: 20240087487Abstract: A semiconductor device having favorable display quality is provided. The semiconductor device is provided with a display portion, a line-of-sight sensor portion, a control portion, and an arithmetic portion. The line-of-sight sensor portion has a function of obtaining first information showing a direction of a user's line of sight. The arithmetic portion has a function of determining a first region including a gaze point of the user on the display portion with use of the first information and a function of increasing a definition of an image displayed on the first region. Light emitted from the display portion may be used to obtain the first information showing the direction of the line of sight.Type: ApplicationFiled: January 18, 2022Publication date: March 14, 2024Inventors: Shunpei YAMAZAKI, Yosuke TSUKAMOTO, Koji KUSUNOKI, Hisao IKEDA, Akio ENDO, Yoshiaki OIKAWA, Hideki UOCHI
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Publication number: 20170194590Abstract: An organic EL element includes an anode and a cathode that are disposed at opposed positions, a functional layer and a hole injection layer that are stacked between the anode and the cathode, the functional layer containing an organic material, and the hole injection layer being for injecting holes into the functional layer. The hole injection layer includes a transition metal oxide as a main component, and contains at least one of Al and Mg.Type: ApplicationFiled: May 26, 2015Publication date: July 6, 2017Applicant: JOLED INC.Inventors: Hirofumi FUJITA, Shinya FUJIMURA, Satoru OHUCHI, Yoshiaki TSUKAMOTO
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Patent number: 9490445Abstract: An organic EL element includes a hole injection layer that yields excellent hole conduction efficiency. The organic EL element includes an anode, a cathode, and functional layers that include organic material between the anode the cathode. The functional layers include a hole injection layer that injects holes into the functional layers. The hole injection layer is a metal oxide film that includes a metal oxide. The metal atoms constituting the metal oxide include both metal atoms at a maximum valence thereof and metal atoms at a valence less than the maximum valence, and the metal oxide film includes metal oxide crystals having a particle diameter on the order of nanometers.Type: GrantFiled: January 8, 2013Date of Patent: November 8, 2016Assignee: JOLED INC.Inventors: Shinya Fujimura, Satoru Ohuchi, Takahiro Komatsu, Hirofumi Fujita, Yoshiaki Tsukamoto
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Patent number: 9287520Abstract: An organic EL element includes: an anode; a cathode; a buffer layer; and a hole injection layer between the anode and the buffer layer, the hole injection layer including a nickel oxide including both nickel atoms with a valence of three and nickel atoms with a valence of two. In the hole injection layer, a ratio of the number of nickel atoms with a valence of three to the number of nickel atoms with a valence of two, expressed in percentage, is equal to or greater than 60%.Type: GrantFiled: October 7, 2013Date of Patent: March 15, 2016Assignee: JOLED INC.Inventors: Hirofumi Fujita, Yoshiaki Tsukamoto, Shinya Fujimura, Satoru Ohuchi
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Patent number: 9059419Abstract: An organic EL element comprises: an anode; a cathode; a buffer layer; and a hole injection layer between the anode and the buffer layer. The hole injection layer includes a nickel oxide that includes both nickel atoms with a valence of three and nickel atoms with a valence of two. At least part of the hole injection layer has a crystal structure AaNibOc that includes nickel, a metal element A, and oxygen, the nickel including nickel atoms with a valence of three, and the metal element A differing from nickel and including metal A atoms with a valence of three.Type: GrantFiled: December 12, 2013Date of Patent: June 16, 2015Assignee: JOLED INC.Inventors: Hirofumi Fujita, Satoru Ohuchi, Shinya Fujimura, Yoshiaki Tsukamoto
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Patent number: 9048448Abstract: An organic EL element comprises: an anode; a cathode; a functional layer including at least a light-emitting layer; a hole injection layer disposed between the anode and the functional layer; and a bank. The hole injection layer contains tungsten oxide. Tungsten atoms constituting the tungsten oxide include both tungsten atoms with a valence of six and tungsten atoms with a valence less than six. The hole injection layer includes a crystal of the tungsten oxide. A particle diameter of the crystal is on an order of nanometers. The hole injection layer has a recessed portion whose inner side surface has an upper edge that is one of (i) aligned with part of a lower edge of the bank, the part being in contact with the light-emitting layer, and (ii) in contact with a bottom surface of the bank.Type: GrantFiled: January 16, 2013Date of Patent: June 2, 2015Assignee: JOLED INC.Inventors: Kenji Harada, Seiji Nishiyama, Takahiro Komatsu, Takayuki Takeuchi, Shinya Fujimura, Satoru Ohuchi, Hirofumi Fujita, Yoshiaki Tsukamoto
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Patent number: 9029843Abstract: An organic light-emitting element comprising: an anode; a cathode; banks; a functional layer between the anode and the cathode; and a hole injection layer between the anode and the functional layer. The functional layer includes one or more sublayers including a light-emitting sublayer defined by the banks and that contains an organic material. The hole injection layer comprises tungsten oxide, includes an occupied energy level that is approximately 1.8 electron volts to approximately 3.6 electron volts lower than a lowest energy level of a valence band of the hole injection layer in terms of a binding energy, has a surface facing the functional layer, and has a recessed structure such that a portion of the surface overlapping with the light-emitting sublayer is located closer to the anode than other portions. The recessed structure has a recessed portion whose inner surface is in contact with the functional layer.Type: GrantFiled: January 22, 2013Date of Patent: May 12, 2015Assignee: Joled Inc.Inventors: Kenji Harada, Seiji Nishiyama, Takahiro Komatsu, Takayuki Takeuchi, Satoru Ohuchi, Yoshiaki Tsukamoto, Shinya Fujimura, Kei Sakanoue
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Patent number: 9029842Abstract: An organic light-emitting element comprising: an anode; a cathode; banks; a functional layer between the anode and the cathode; and a hole injection layer between the anode and the functional layer. The functional layer includes at least a light-emitting sublayer defined by the banks and that contains an organic material. The hole injection layer comprises tungsten oxide and includes a crystal of the tungsten oxide, whose particle diameter is on an order of nanometers. Tungsten atoms constituting the tungsten oxide include both tungsten atoms with a valence of six and tungsten atoms with a valence less than six. The hole injection layer has a surface facing the functional layer, and a portion of the surface overlapping with the light-emitting sublayer is located closer to the anode than other portions, thereby forming a recessed structure having a recessed portion whose inner surface is in contact with the functional layer.Type: GrantFiled: January 16, 2013Date of Patent: May 12, 2015Assignee: Joled Inc.Inventors: Kenji Harada, Seiji Nishiyama, Takahiro Komatsu, Takayuki Takeuchi, Shinya Fujimura, Satoru Ohuchi, Hirofumi Fujita, Yoshiaki Tsukamoto
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Patent number: 9012896Abstract: In an organic EL element, a bank is formed on a hole injection layer so as to surround light-emitting layer. The hole injection layer is formed with a tungsten oxide thin film, and has, in an electronic state thereof, an occupied energy level 1.8 eV to 3.6 eV lower than the lowest energy level of a valence band of the hole injection layer. The hole injection layer has a recessed portion in an upper surface thereof. An inner surface of the recessed portion is in contact with a functional layer (light-emitting layer). the inner side surface of the recessed portion includes an upper edge that is one of aligned with part of a lower edge of the bank, the part being in contact with the functional layer, and in contact with a bottom surface of the bank.Type: GrantFiled: January 16, 2013Date of Patent: April 21, 2015Assignee: Panasonic CorporationInventors: Kenji Harada, Seiji Nishiyama, Takahiro Komatsu, Takayuki Takeuchi, Satoru Ohuchi, Yoshiaki Tsukamoto, Shinya Fujimura, Kei Sakanoue
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Patent number: 8999832Abstract: An organic electroluminescent (EL) element comprises: an anode; a cathode; a functional layer disposed between the anode and the cathode, and including a light-emitting layer containing an organic material; a hole injection layer disposed between the anode and the functional layer; and a bank that defines an area in which the light-emitting layer is to be formed, wherein the hole injection layer includes tungsten oxide and includes an occupied energy level that is approximately 1.8 electron volts to approximately 3.6 electron volts lower than a lowest energy level of a valence band of the hole injection layer in terms of a binding energy, the hole injection layer has a recess in an upper surface of the area defined by the bank, and an upper peripheral edge of the recess is covered with a part of the bank.Type: GrantFiled: January 11, 2013Date of Patent: April 7, 2015Assignee: Panasonic CorporationInventors: Seiji Nishiyama, Satoru Ohuchi, Takahiro Komatsu, Kei Sakanoue, Yoshiaki Tsukamoto, Shinya Fujimura
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Patent number: 8957412Abstract: An organic EL panel comprises anodes, a cathode, organic light-emitting layers, and first functional layers each including a hole injection layer and a hole transport layer. The hole injection layer of each of the R, G, and B colors is made of only a metal oxide including tungsten oxide, and has a thickness of 5 nm to 40 nm. At least one of the hole injection layers has a thickness different from the other hole injection layers. The hole transport layers of the R, G, and B colors are equivalent in thickness. The organic light-emitting layers of the R, G, and B colors are equivalent in thickness.Type: GrantFiled: November 29, 2010Date of Patent: February 17, 2015Assignee: Panasonic CorporationInventors: Ryuuta Yamada, Keiko Kurata, Shinya Fujimura, Hirofumi Fujita, Yoshiaki Tsukamoto, Takahiro Komatsu, Satoru Ohuchi
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Patent number: 8927976Abstract: An organic EL element includes a hole injection layer yielding excellent hole conduction efficiency, and comprises: an anode; a cathode; a functional layer disposed between the anode and the cathode, and including a light-emitting layer containing organic material; the hole injection layer disposed between the anode and the functional layer; and a bank defining an area in which the light-emitting layer is to be formed, wherein the hole injection layer includes tungsten oxide, tungsten atoms constituting the tungsten oxide include both tungsten atoms with a valence of six and tungsten atoms with a valence less than six, the hole injection layer includes a crystal of the tungsten oxide, a particle diameter of the crystal being on an order of nanometers, an inner portion of the hole injection layer is depressed to define a recess, and an upper peripheral edge of the recess is covered with a part of the bank.Type: GrantFiled: January 14, 2013Date of Patent: January 6, 2015Assignee: Panasonic CorporationInventors: Seiji Nishiyama, Satoru Ohuchi, Takahiro Komatsu, Yoshiaki Tsukamoto, Shinya Fujimura, Hirofumi Fujita
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Patent number: 8872164Abstract: An organic light-emitting element includes an anode, a functional layer, and a hole injection layer between the anode and the functional layer. The functional layer contains an organic material. The hole injection layer injects holes to the functional layer. The hole injection layer comprises tungsten oxide and includes an occupied energy level that is approximately 1.8 electron volts to approximately 3.6 electron volts lower than a lowest energy level of a valence band of the hole injection layer in terms of binding energy.Type: GrantFiled: November 17, 2011Date of Patent: October 28, 2014Assignee: Panasonic CorporationInventors: Satoru Ohuchi, Yoshiaki Tsukamoto, Takahiro Komatsu, Kei Sakanoue
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Publication number: 20140097425Abstract: An organic EL element comprises: an anode; a cathode; a buffer layer; and a hole injection layer between the anode and the buffer layer. The hole injection layer includes a nickel oxide that includes both nickel atoms with a valence of three and nickel atoms with a valence of two. At least part of the hole injection layer has a crystal structure AaNibOc that includes nickel, a metal element A, and oxygen, the nickel including nickel atoms with a valence of three, and the metal element A differing from nickel and including metal A atoms with a valence of three.Type: ApplicationFiled: December 12, 2013Publication date: April 10, 2014Applicant: PANASONIC CORPORATIONInventors: Hirofumi FUJITA, Satoru OHUCHI, Shinya FUJIMURA, Yoshiaki TSUKAMOTO
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Publication number: 20140034937Abstract: An organic EL element includes: an anode; a cathode; a buffer layer; and a hole injection layer between the anode and the buffer layer, the hole injection layer including a nickel oxide including both nickel atoms with a valence of three and nickel atoms with a valence of two. In the hole injection layer, a ratio of the number of nickel atoms with a valence of three to the number of nickel atoms with a valence of two, expressed in percentage, is equal to or greater than 60%.Type: ApplicationFiled: October 7, 2013Publication date: February 6, 2014Applicant: PANASONIC CORPORATIONInventors: Hirofumi FUJITA, Yoshiaki TSUKAMOTO, Shinya FUJIMURA, Satoru OHUCHI
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Publication number: 20130234129Abstract: An organic EL panel comprises anodes, a cathode, organic light-emitting layers, and first functional layers each including a hole injection layer and a hole transport layer. The hole injection layer of each of the R, G, and B colors is made of only a metal oxide including tungsten oxide, and has a thickness of 5 nm to 40 nm. At least one of the hole injection layers has a thickness different from the other hole injection layers. The hole transport layers of the R, G, and B colors are equivalent in thickness. The organic light-emitting layers of the R, G, and B colors are equivalent in thickness.Type: ApplicationFiled: November 29, 2010Publication date: September 12, 2013Applicant: PANASONIC CORPORATIONInventors: Ryuuta Yamada, Keiko Kurata, Shinya Fujimura, Hirofumi Fujita, Yoshiaki Tsukamoto, Takahiro Komatsu, Satoru Ohuchi
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Publication number: 20120061656Abstract: An organic light-emitting element includes an anode, a functional layer, and a hole injection layer between the anode and the functional layer. The functional layer contains an organic material. The hole injection layer injects holes to the functional layer. The hole injection layer comprises tungsten oxide and includes an occupied energy level that is approximately 1.8 electron volts to approximately 3.6 electron volts lower than a lowest energy level of a valence band of the hole injection layer in terms of binding energy.Type: ApplicationFiled: November 17, 2011Publication date: March 15, 2012Applicant: PANASONIC CORPORATIONInventors: Satoru OHUCHI, Yoshiaki TSUKAMOTO, Takahiro KOMATSU, Kei SAKANOUE