Patents by Inventor Tomoki Yokota

Tomoki Yokota 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).

  • Publication number: 20230308616
    Abstract: An electro-optical device including a capacitance element, a first insulating film serving as an insulating film, and a scanning line serving as a light shielding film, is provided. The first insulating film covers the capacitance element and includes a concave portion serving as a recessed portion that reflects a shape of the capacitance element. The scanning line is provided along the concave portion. The concave portion includes a bottom surface having a curved surface shape. An electronic apparatus including the electro-optical device and a control unit configured to control an operation of the electro-optical device is also provided.
    Type: Application
    Filed: March 28, 2023
    Publication date: September 28, 2023
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tomoki YOKOTA, Kikuya MORITA
  • Patent number: 11703731
    Abstract: A first substrate of an electro-optical device includes: a substrate body provided with a groove; an insulating film layered on the substrate body in a region including the groove; and a layered film layered on the insulating film. The layered film is provided along a side surface and a bottom surface of the groove with the insulating film disposed therebetween.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: July 18, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tomoki Yokota, Kikuya Morita
  • Publication number: 20220350267
    Abstract: At a motherboard for an image device, which is used for manufacturing an image device such as a liquid crystal device, an organic electroluminescence device, a mirror device, and an image-capturing device, a mark for alignment is provided on an outer side of a pixel area in which a plurality of pixels are arranged. In the photo-lithography process, a light exposure mask is arranged by using the mark as a reference position. For the mark, a recessed portion provided in a motherboard main body is filled with a filling film. The recessed portion includes a first groove extending along a first direction and a second groove extending along a second direction intersecting with the first direction, the second groove not intersecting with the first groove in plan view.
    Type: Application
    Filed: April 28, 2022
    Publication date: November 3, 2022
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tomoki YOKOTA, Kikuya MORITA
  • Patent number: 11480839
    Abstract: In a substrate body of an electro-optical device, a first groove, and a second groove extending in a direction intersecting the first groove are formed. A capacitance element is constituted by a layered film that includes a first conductive film, a dielectric film, and a second conductive film sequentially layered in a region including the first groove and the second groove. When the first groove and the second groove intersect, the intersection becomes wide during etching. However, when the first groove and the second groove do not intersect, such as when the first groove and the second groove are spaced apart, a wide portion is less likely to be generated. Accordingly, the first insulating film easily fills the grooves.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: October 25, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tomoki Yokota, Kikuya Morita
  • Publication number: 20220291557
    Abstract: A first substrate of an electro-optical device includes: a substrate body provided with a groove; an insulating film layered on the substrate body in a region including the groove; and a layered film layered on the insulating film. The layered film is provided along a side surface and a bottom surface of the groove with the insulating film disposed therebetween.
    Type: Application
    Filed: March 11, 2022
    Publication date: September 15, 2022
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tomoki YOKOTA, Kikuya MORITA
  • Publication number: 20220291560
    Abstract: In a substrate body of an electro-optical device, a first groove, and a second groove extending in a direction intersecting the first groove are formed. A capacitance element is constituted by a layered film that includes a first conductive film, a dielectric film, and a second conductive film sequentially layered in a region including the first groove and the second groove. When the first groove and the second groove intersect, the intersection becomes wide during etching. However, when the first groove and the second groove do not intersect, such as when the first groove and the second groove are spaced apart, a wide portion is less likely to be generated. Accordingly, the first insulating film easily fills the grooves.
    Type: Application
    Filed: March 11, 2022
    Publication date: September 15, 2022
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tomoki YOKOTA, Kikuya MORITA
  • Publication number: 20180239205
    Abstract: Liquid crystal device includes insulating layer disposed on substrate, a groove provided on insulating layer for each pixel, and capacitor provided on groove. Capacitor includes first capacitor electrode that includes recess-shaped and flange portions extending outside recess-shaped portion from upper end of recess-shaped portion along planar direction, insulator that includes first portion disposed in recess-shaped portion and second portion protruding in projection shape from upper end of recess-shaped portion along thickness direction, second capacitor electrode that is disposed so as to cover second portion of insulator and to overlap with first capacitor electrode in plan view and is connected to flange portion, capacitor insulating film that covers outer surface of second capacitor electrode and outer surface of a portion of first capacitor electrode, and third capacitor electrode that covers second capacitor electrode and portion of first capacitor electrode by interposing capacitor insulating film.
    Type: Application
    Filed: February 20, 2018
    Publication date: August 23, 2018
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Tomoki YOKOTA
  • Publication number: 20160209685
    Abstract: A liquid crystal device includes a pixel electrode, a peripheral electrode that is arranged between an outer edge of a display region in which the pixel electrode is arranged and a sealing material, a control electrode that is arranged between the outer edge of the display region and the peripheral electrode, a common electrode that is provided on a facing substrate, and an orientation film that substantially vertically orients liquid crystal molecules in a liquid crystal layer on the control electrode. In a display period during which the pixel electrode is driven, a potential that is lower than a potential of the common electrode is supplied to the peripheral electrode, and an AC potential with reference to the potential of the common electrode is supplied to the control electrode. In a non-display period during which the pixel electrode is not driven, no potential is supplied to the control electrode.
    Type: Application
    Filed: January 7, 2016
    Publication date: July 21, 2016
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Naoki TOMIKAWA, Tomoki YOKOTA
  • Patent number: 8953129
    Abstract: In an element substrate of a liquid crystal device, in a peripheral region interposed between an image display region and a seal material, a peripheral electrode to which a potential is applied for trapping ionic impurities which is different from a common potential applied to a dummy pixel electrode or the like is formed. In the peripheral electrode, an electrode width of a first portion opposing a sealing material provided at a liquid crystal injection opening of the seal material is set to be greater than electrode widths of the other portions.
    Type: Grant
    Filed: March 16, 2012
    Date of Patent: February 10, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Hiroyuki Hara, Tomoki Yokota
  • Patent number: 8896793
    Abstract: In a display region, pixel electrodes are arranged with a predetermined pitch in a matrix. Dummy pixel electrodes provided in a dummy display region surrounding the display region are formed from the same layer as the pixel electrodes, and are arranged in an island shape so as to have the same size and pitch as the pixel electrodes. The dummy pixel electrodes are connected to each other via a wire positioned under the pixel electrodes.
    Type: Grant
    Filed: October 10, 2011
    Date of Patent: November 25, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Hiroyuki Hara, Tomoki Yokota
  • Patent number: 8873126
    Abstract: An electrooptic device includes first and second substrates that are disposed opposing each other with an electrooptic material layer therebetween, a sealing material that bonds the first and second substrates, a pixel area, and an ion trap portion between the pixel area and the sealing material. The ion trap portion includes first and second electrodes that are formed in a comb-tooth shape and are disposed so that branch electrodes of the first electrode and branch electrodes of the second electrode are engaged with each other. A direction of the branch electrodes intersects with an orientation direction of the electrooptic material at an interface between the electrooptic material layer and the first substrate.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: October 28, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Naoki Tomikawa, Hiroyuki Hara, Tomoki Yokota
  • Patent number: 8817219
    Abstract: In an element substrate of a liquid crystal device, a peripheral electrode to which a potential Vtrap different from a common potential Vcom applied to a dummy pixel electrode and the like is applied is formed in a peripheral region which is interposed by an image display region and a sealing material. The peripheral electrode extends along the sealing material through the outside of the outside end of a data line driving circuit portion, and the outside end of a scanning line driving circuit portion, and does not intersect a data line and a scanning line.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: August 26, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Hiroyuki Hara, Tomoki Yokota
  • Patent number: 8817220
    Abstract: In an element substrate of a liquid crystal device, a peripheral electrode to which a potential different from a common potential applied to a dummy pixel electrode and the like is applied is formed in a region interposed between an image display region and a sealing material. An electrical supply line that supplies the potential from the side to the peripheral electrode runs through the outside from a scanning line driving circuit portion.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: August 26, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Tomoki Yokota, Hiroyuki Hara
  • Patent number: 8643814
    Abstract: In at least one embodiment of the disclosure, a liquid crystal device comprises a plurality of conductive patterns formed of a conductive film in a peripheral region between an image display region and a sealing member. The conductive patterns are formed at a same layer as a plurality of pixel electrodes. An insulation film is formed on a side facing a counter substrate so as to correspond to the plurality of conductive patterns and a plurality of pixel electrodes. Peripheral electrodes are formed in a region overlapping the plurality of conductive patterns in a plan view on a side on which the counter substrate is located so as to correspond to the insulation film in the peripheral region.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: February 4, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Tomoki Yokota, Hiroyuki Hara
  • Publication number: 20130021657
    Abstract: An electrooptic device includes first and second substrates that are disposed opposing each other with an electrooptic material layer therebetween, a sealing material that bonds the first and second substrates, a pixel area, and an ion trap portion between the pixel area and the sealing material. The ion trap portion includes first and second electrodes that are formed in a comb-tooth shape and are disposed so that branch electrodes of the first electrode and branch electrodes of the second electrode are engaged with each other. A direction of the branch electrodes intersects with an orientation direction of the electrooptic material at an interface between the electrooptic material layer and the first substrate.
    Type: Application
    Filed: July 17, 2012
    Publication date: January 24, 2013
    Applicant: Seiko Epson Corporation
    Inventors: Naoki Tomikawa, Hiroyuki Hara, Tomoki Yokota
  • Publication number: 20120249896
    Abstract: In an element substrate of a liquid crystal device, a peripheral electrode to which a potential different from a common potential applied to a dummy pixel electrode and the like is applied is formed in a region interposed between an image display region and a sealing material. An electrical supply line that supplies the potential from the side to the peripheral electrode runs through the outside from a scanning line driving circuit portion.
    Type: Application
    Filed: March 26, 2012
    Publication date: October 4, 2012
    Applicant: Seiko Epson Corporation
    Inventors: Tomoki Yokota, Hiroyuki Hara
  • Publication number: 20120249920
    Abstract: In an element substrate of a liquid crystal device, a peripheral electrode to which a potential Vtrap different from a common potential Vcom applied to a dummy pixel electrode and the like is applied is formed in a peripheral region which is interposed by an image display region and a sealing material. The peripheral electrode extends along the sealing material through the outside of the outside end of a data line driving circuit portion, and the outside end of a scanning line driving circuit portion, and does not intersect a data line and a scanning line.
    Type: Application
    Filed: March 26, 2012
    Publication date: October 4, 2012
    Applicant: Seiko Epson Corporation
    Inventors: Hiroyuki Hara, Tomoki Yokota
  • Publication number: 20120249919
    Abstract: In at least one embodiment of the disclosure, a liquid crystal device comprises a plurality of conductive patterns formed of a conductive film in a peripheral region between an image display region and a sealing member. The conductive patterns are formed at a same layer as a plurality of pixel electrodes. An insulation film is formed on a side facing a counter substrate so as to correspond to the plurality of conductive patterns and a plurality of pixel electrodes. Peripheral electrodes are formed in a region overlapping the plurality of conductive patterns in a plan view on a side on which the counter substrate is located so as to correspond to the insulation film in the peripheral region.
    Type: Application
    Filed: March 26, 2012
    Publication date: October 4, 2012
    Applicant: Seiko Epson Corporation
    Inventors: Tomoki Yokota, Hiroyuki Hara
  • Publication number: 20120242914
    Abstract: In an element substrate of a liquid crystal device, in a peripheral region interposed between an image display region and a seal material, a peripheral electrode to which a potential is applied for trapping ionic impurities which is different from a common potential applied to a dummy pixel electrode or the like is formed. In the peripheral electrode, an electrode width of a first portion opposing a sealing material provided at a liquid crystal injection opening of the seal material is set to be greater than electrode widths of the other portions.
    Type: Application
    Filed: March 16, 2012
    Publication date: September 27, 2012
    Applicant: Seiko Epson Corporation
    Inventors: Hiroyuki Hara, Tomoki Yokota
  • Patent number: PP31739
    Abstract: A new cultivar of Rosa plant named ‘ROP007’ that is characterized by its thornless stems, its dwarf plant habit, its floriferous and abundant blooming habit producing small pink flowers with white centers, and its lack of fruit production.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: May 12, 2020
    Inventor: Tomoki Yokota