Patents by Inventor Hisakatsu Sato
Hisakatsu Sato 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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Electro-optical apparatus, manufacturing method for electro-optical apparatus, and electronic device
Patent number: 10991779Abstract: An electro-optical apparatus includes a first pixel and a second pixel. The first pixel and the second pixel include a reflective layer, an insulating layer, a functional layer, and an opposing electrode. The insulating layer includes a first insulating layer, a second insulating layer having a first opening, and a third insulating layer having a second opening. A first pixel electrode is provided on the first insulating layer in the first opening. A second pixel electrode is provided on the second insulating layer.Type: GrantFiled: December 2, 2019Date of Patent: April 27, 2021Assignee: SEIKO EPSON CORPORATIONInventors: Ryoichi Nozawa, Takeshi Koshihara, Hisakatsu Sato -
ELECTRO-OPTICAL APPARATUS, MANUFACTURING METHOD FOR ELECTRO-OPTICAL APPARATUS, AND ELECTRONIC DEVICE
Publication number: 20200105848Abstract: An electro-optical apparatus includes a first pixel and a second pixel. The first pixel and the second pixel include a reflective layer, an insulating layer, a functional layer, and an opposing electrode. The insulating layer includes a first insulating layer, a second insulating layer having a first opening, and a third insulating layer having a second opening. A first pixel electrode is provided on the first insulating layer in the first opening. A second pixel electrode is provided on the second insulating layer.Type: ApplicationFiled: December 2, 2019Publication date: April 2, 2020Applicant: SEIKO EPSON CORPORATIONInventors: Ryoichi NOZAWA, Takeshi KOSHIHARA, Hisakatsu SATO -
Electro-optical apparatus, manufacturing method for electro-optical apparatus, and electronic device
Patent number: 10541289Abstract: An electro-optical apparatus includes a first pixel and a second pixel. The first pixel and the second pixel include a reflective layer, an insulating layer, a functional layer, and an opposing electrode. The insulating layer includes a first insulating layer, a second insulating layer having a first opening, and a third insulating layer having a second opening. A first pixel electrode is provided on the first insulating layer in the first opening. A second pixel electrode is provided on the second insulating layer.Type: GrantFiled: September 27, 2018Date of Patent: January 21, 2020Assignee: SEIKO EPSON CORPORATIONInventors: Ryoichi Nozawa, Takeshi Koshihara, Hisakatsu Sato -
ELECTRO-OPTICAL APPARATUS, MANUFACTURING METHOD FOR ELECTRO-OPTICAL APPARATUS, AND ELECTRONIC DEVICE
Publication number: 20190027544Abstract: An electro-optical apparatus includes a first pixel and a second pixel. The first pixel and the second pixel include a reflective layer, an insulating layer, a functional layer, and an opposing electrode. The insulating layer includes a first insulating layer, a second insulating layer having a first opening, and a third insulating layer having a second opening. A first pixel electrode is provided on the first insulating layer in the first opening. A second pixel electrode is provided on the second insulating layer.Type: ApplicationFiled: September 27, 2018Publication date: January 24, 2019Applicant: SEIKO EPSON CORPORATIONInventors: Ryoichi NOZAWA, Takeshi KOSHIHARA, Hisakatsu SATO -
Electro-optical apparatus, manufacturing method for electro-optical apparatus, and electronic device
Patent number: 10115778Abstract: An electro-optical apparatus includes a first pixel and a second pixel. The first pixel and the second pixel include a reflective layer, an insulating layer, a functional layer, and an opposing electrode. The insulating layer includes a first insulating layer, a second insulating layer having a first opening, and a third insulating layer having a second opening. A first pixel electrode is provided on the first insulating layer in the first opening. A second pixel electrode is provided on the second insulating layer.Type: GrantFiled: March 16, 2017Date of Patent: October 30, 2018Assignee: SEIKO EPSON CORPORATIONInventors: Ryoichi Nozawa, Takeshi Koshihara, Hisakatsu Sato -
ELECTRO-OPTICAL APPARATUS, MANUFACTURING METHOD FOR ELECTRO-OPTICAL APPARATUS, AND ELECTRONIC DEVICE
Publication number: 20180240854Abstract: An electro-optical apparatus includes a first pixel and a second pixel. The first pixel and the second pixel include a reflective layer, an insulating layer, a functional layer, and an opposing electrode. The insulating layer includes a first insulating layer, a second insulating layer having a first opening, and a third insulating layer having a second opening. A first pixel electrode is provided on the first insulating layer in the first opening. A second pixel electrode is provided on the second insulating layer.Type: ApplicationFiled: March 16, 2017Publication date: August 23, 2018Inventors: Ryoichi NOZAWA, Takeshi KOSHIHARA, Hisakatsu SATO -
Patent number: 9859359Abstract: A first impurity diffusion region is provided within a semiconductor substrate, a second impurity diffusion region is provided within the first impurity diffusion region, a third impurity diffusion region is provided within the second impurity diffusion region, a first portion of a fourth impurity diffusion region is provided within the second impurity diffusion region so as to be spaced from the third impurity diffusion region, and a second portion of the fourth impurity diffusion region is provided in a third portion of the first impurity diffusion region on a side of a surface of the semiconductor substrate, a first contact is provided so as to be in contact with the second portion, the first contact and the third portion overlap in plan view, and a first power supply is connected to the third impurity diffusion region.Type: GrantFiled: February 22, 2016Date of Patent: January 2, 2018Assignee: SEIKO EPSON CORPORATIONInventors: Masaki Okuyama, Hisakatsu Sato
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Electro-optical apparatus, manufacturing method for electro-optical apparatus, and electronic device
Patent number: 9634067Abstract: An electro-optical apparatus includes a first pixel and a second pixel. The first pixel and the second pixel include a reflective layer, an insulating layer, a functional layer, and an opposing electrode. The insulating layer includes a first insulating layer, a second insulating layer having a first opening, and a third insulating layer having a second opening. A first pixel electrode is provided on the first insulating layer in the first opening. A second pixel electrode is provided on the second insulating layer.Type: GrantFiled: January 8, 2016Date of Patent: April 25, 2017Assignee: SEIKO EPSON CORPORATIONInventors: Ryoichi Nozawa, Takeshi Koshihara, Hisakatsu Sato -
Patent number: 9502482Abstract: An electro-optical device includes a reflective layer, a light emitting element including a light emitting layer formed between an anode and a cathode, and a driving transistor configured to control a current flowing through the light emitting element. In the same layer as the reflective layer, a relay electrode included in a current path from the driving transistor to the anode is formed with a gap between the relay electrode and the reflective layer. A contact electrode electrically connecting the relay electrode and the anode is formed as a light shielding layer that blocks light entering the gap.Type: GrantFiled: September 25, 2015Date of Patent: November 22, 2016Assignee: SEIKO EPSON CORPORATIONInventors: Takeshi Koshihara, Hisakatsu Sato, Takeshi Nomura
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Publication number: 20160204095Abstract: A first impurity diffusion region is provided within a semiconductor substrate, a second impurity diffusion region is provided within the first impurity diffusion region, a third impurity diffusion region is provided within the second impurity diffusion region, a first portion of a fourth impurity diffusion region is provided within the second impurity diffusion region so as to be spaced from the third impurity diffusion region, and a second portion of the fourth impurity diffusion region is provided in a third portion of the first impurity diffusion region on a side of a surface of the semiconductor substrate, a first contact is provided so as to be in contact with the second portion, the first contact and the third portion overlap in plan view, and a first power supply is connected to the third impurity diffusion region.Type: ApplicationFiled: February 22, 2016Publication date: July 14, 2016Applicant: SEIKO EPSON CORPORATIONInventors: Masaki OKUYAMA, Hisakatsu SATO
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ELECTRO-OPTICAL APPARATUS, MANUFACTURING METHOD FOR ELECTRO-OPTICAL APPARATUS, AND ELECTRONIC DEVICE
Publication number: 20160126294Abstract: An electro-optical apparatus includes a first pixel and a second pixel. The first pixel and the second pixel include a reflective layer, an insulating layer, a functional layer, and an opposing electrode. The insulating layer includes a first insulating layer, a second insulating layer having a first opening, and a third insulating layer having a second opening. A first pixel electrode is provided on the first insulating layer in the first opening. A second pixel electrode is provided on the second insulating layer.Type: ApplicationFiled: January 8, 2016Publication date: May 5, 2016Inventors: Ryoichi NOZAWA, Takeshi KOSHIHARA, Hisakatsu SATO -
Patent number: 9312329Abstract: A first impurity diffusion region is provided within a semiconductor substrate, a second impurity diffusion region is provided within the first impurity diffusion region, a third impurity diffusion region is provided within the second impurity diffusion region, a first portion of a fourth impurity diffusion region is provided within the second impurity diffusion region so as to be spaced from the third impurity diffusion region, and a second portion of the fourth impurity diffusion region is provided in a third portion of the first impurity diffusion region on a side of a surface of the semiconductor substrate, a first contact is provided so as to be in contact with the second portion, the first contact and the third portion overlap in plan view, and a first power supply is connected to the third impurity diffusion region.Type: GrantFiled: November 29, 2012Date of Patent: April 12, 2016Assignee: SEIKO EPSON CORPORATIONInventors: Masaki Okuyama, Hisakatsu Sato
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Electro-optical apparatus, manufacturing method for electro-optical apparatus, and electronic device
Patent number: 9269924Abstract: An electro-optical apparatus includes a first pixel and a second pixel. The first pixel and the second pixel include a reflective layer, an insulating layer, a functional layer, and an opposing electrode. The insulating layer includes a first insulating layer, a second insulating layer having a first opening, and a third insulating layer having a second opening. A first pixel electrode is provided on the first insulating layer in the first opening. A second pixel electrode is provided on the second insulating layer.Type: GrantFiled: May 30, 2014Date of Patent: February 23, 2016Assignee: SEIKO EPSON CORPORATIONInventors: Ryoichi Nozawa, Takeshi Koshihara, Hisakatsu Sato -
Publication number: 20160013258Abstract: An electro-optical device includes a reflective layer, a light emitting element including a light emitting layer formed between an anode and a cathode, and a driving transistor configured to control a current flowing through the light emitting element. In the same layer as the reflective layer, a relay electrode included in a current path from the driving transistor to the anode is formed with a gap between the relay electrode and the reflective layer. A contact electrode electrically connecting the relay electrode and the anode is formed as a light shielding layer that blocks light entering the gap.Type: ApplicationFiled: September 25, 2015Publication date: January 14, 2016Applicant: SEIKO EPSON CORPORATIONInventors: Takeshi KOSHIHARA, Hisakatsu SATO, Takeshi NOMURA
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Patent number: 9184347Abstract: An electro-optical device includes a reflective layer, a light emitting element including a light emitting layer formed between an anode and a cathode, and a driving transistor configured to control a current flowing through the light emitting element. In the same layer as the reflective layer, a relay electrode included in a current path from the driving transistor to the anode is formed with a gap between the relay electrode and the reflective layer. A contact electrode electrically connecting the relay electrode and the anode is formed as a light shielding layer that blocks light entering the gap.Type: GrantFiled: May 9, 2013Date of Patent: November 10, 2015Assignee: SEIKO EPSON CORPORATIONInventors: Takeshi Koshihara, Hisakatsu Sato, Takeshi Nomura
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Patent number: 9153796Abstract: The fabrication method for an organic EL device according to the invention includes: forming a third insulating layer on a first insulating layer; removing the third insulating layer in a first pixel region by etching the third insulating layer; forming a second insulating layer that has different thicknesses in a first pixel and a second pixel and has a flat first surface by forming a precursor insulating layer to continuously cover a first reflection film and a second reflection film and then planarizing an upper surface of the precursor insulating layer; and forming a first pixel electrode and a second pixel electrode on the first surface of the second insulating layer. The first insulating layer is slower in the rate at which the layer is removed by etching than the third insulating layer.Type: GrantFiled: December 31, 2014Date of Patent: October 6, 2015Assignee: SEIKO EPSON CORPORATIONInventors: Hisakatsu Sato, Satoshi Murata
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Publication number: 20150118774Abstract: The fabrication method for an organic EL device according to the invention includes: forming a third insulating layer on a first insulating layer; removing the third insulating layer in a first pixel region by etching the third insulating layer; forming a second insulating layer that has different thicknesses in a first pixel and a second pixel and has a flat first surface by forming a precursor insulating layer to continuously cover a first reflection film and a second reflection film and then planarizing an upper surface of the precursor insulating layer; and forming a first pixel electrode and a second pixel electrode on the first surface of the second insulating layer. The first insulating layer is slower in the rate at which the layer is removed by etching than the third insulating layer.Type: ApplicationFiled: December 31, 2014Publication date: April 30, 2015Inventors: Hisakatsu SATO, Satoshi MURATA
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Patent number: 8956898Abstract: The fabrication method for an organic EL device according to the invention includes: forming a third insulating layer on a first insulating layer; removing the third insulating layer in a first pixel region by etching the third insulating layer; forming a second insulating layer that has different thicknesses in a first pixel and a second pixel and has a flat first surface by forming a precursor insulating layer to continuously cover a first reflection film and a second reflection film and then planarizing an upper surface of the precursor insulating layer; and forming a first pixel electrode and a second pixel electrode on the first surface of the second insulating layer. The first insulating layer is slower in the rate at which the layer is removed by etching than the third insulating layer.Type: GrantFiled: March 4, 2014Date of Patent: February 17, 2015Assignee: Seiko Epson CorporationInventors: Hisakatsu Sato, Satoshi Murata
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ELECTRO-OPTICAL APPARATUS, MANUFACTURING METHOD FOR ELECTRO-OPTICAL APPARATUS, AND ELECTRONIC DEVICE
Publication number: 20140361316Abstract: An electro-optical apparatus includes a first pixel and a second pixel. The first pixel and the second pixel include a reflective layer, an insulating layer, a functional layer, and an opposing electrode. The insulating layer includes a first insulating layer, a second insulating layer having a first opening, and a third insulating layer having a second opening. A first pixel electrode is provided on the first insulating layer in the first opening. A second pixel electrode is provided on the second insulating layer.Type: ApplicationFiled: May 30, 2014Publication date: December 11, 2014Applicant: SEIKO EPSON CORPORATIONInventors: Ryoichi NOZAWA, Takeshi KOSHIHARA, Hisakatsu SATO -
Publication number: 20140312462Abstract: A first impurity diffusion region is provided within a semiconductor substrate, a second impurity diffusion region is provided within the first impurity diffusion region, a third impurity diffusion region is provided within the second impurity diffusion region, a first portion of a fourth impurity diffusion region is provided within the second impurity diffusion region so as to be spaced from the third impurity diffusion region, and a second portion of the fourth impurity diffusion region is provided in a third portion of the first impurity diffusion region on a side of a surface of the semiconductor substrate, a first contact is provided so as to be in contact with the second portion, the first contact and the third portion overlap in plan view, and a first power supply is connected to the third impurity diffusion region.Type: ApplicationFiled: November 29, 2012Publication date: October 23, 2014Applicant: SEIKO EPSON CORPORATIONInventors: Masaki Okuyama, Hisakatsu Sato