Patents by Inventor Katsuya Anzai

Katsuya Anzai 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: 12340774
    Abstract: An electro-optical device is provided and includes a plurality of first signal lines extending in a first direction on a substrate; a plurality of second signal lines extending in a second direction on the substrate, the second direction intersecting the first direction; a pixel area in which a plurality of pixel electrodes are disposed; an outer peripheral edge of the pixel area having a curved portion or a bent portion; and a first circuit block, a second circuit block, and a third circuit block arranged along the outer peripheral edge, wherein the second circuit block is arranged between the first circuit block and the first circuit block, and a first gap between the first circuit bock and the second circuit block is different from a second gap between the second circuit block and the third circuit block.
    Type: Grant
    Filed: April 11, 2024
    Date of Patent: June 24, 2025
    Assignee: Japan Display Inc.
    Inventors: Katsuya Anzai, Hideki Kawada, Hiroshi Matsuda, Yukitada Iwasaki
  • Publication number: 20250166582
    Abstract: An electro-optical device is provided and includes a plurality of first signal lines extending in a first direction on a substrate; a plurality of second signal lines extending in a second direction on the substrate, the second direction intersecting the first direction; a pixel area in which a plurality of pixel electrodes are disposed; an outer peripheral edge of the pixel area having a curved portion or a bent portion; and a first circuit block, a second circuit block, and a third circuit block arranged along the outer peripheral edge, wherein the second circuit block is arranged between the first circuit block and the first circuit block, and a first gap between the first circuit bock and the second circuit block is different from a second gap between the second circuit block and the third circuit block.
    Type: Application
    Filed: January 17, 2025
    Publication date: May 22, 2025
    Inventors: Katsuya ANZAI, Hideki KAWADA, Hiroshi MATSUDA, Yukitada IWASAKI
  • Publication number: 20250157434
    Abstract: An electro-optical device is provided and includes a plurality of first signal lines extending in a first direction on a substrate; a plurality of second signal lines extending in a second direction on the substrate, the second direction intersecting the first direction; a pixel area in which a plurality of pixel electrodes are disposed; an outer peripheral edge of the pixel area having a curved portion or a bent portion; and a first circuit block, a second circuit block, and a third circuit block arranged along the outer peripheral edge, wherein the second circuit block is arranged between the first circuit block and the first circuit block, and a first gap between the first circuit bock and the second circuit block is different from a second gap between the second circuit block and the third circuit block.
    Type: Application
    Filed: January 17, 2025
    Publication date: May 15, 2025
    Inventors: Katsuya ANZAI, Hideki KAWADA, Hiroshi MATSUDA, Yukitada IWASAKI
  • Publication number: 20240257783
    Abstract: An electro-optical device is provided and includes a plurality of first signal lines extending in a first direction on a substrate; a plurality of second signal lines extending in a second direction on the substrate, the second direction intersecting the first direction; a pixel area in which a plurality of pixel electrodes are disposed; an outer peripheral edge of the pixel area having a curved portion or a bent portion; and a first circuit block, a second circuit block, and a third circuit block arranged along the outer peripheral edge, wherein the second circuit block is arranged between the first circuit block and the first circuit block, and a first gap between the first circuit bock and the second circuit block is different from a second gap between the second circuit block and the third circuit block.
    Type: Application
    Filed: April 11, 2024
    Publication date: August 1, 2024
    Inventors: Katsuya ANZAI, Hideki KAWADA, Hiroshi MATSUDA, Yukitada IWASAKI
  • Patent number: 11961491
    Abstract: An electro-optical device is provided and includes a plurality of first signal lines extending in a first direction on a substrate; a plurality of second signal lines extending in a second direction on the substrate, the second direction intersecting the first direction; a pixel area in which a plurality of pixel electrodes are disposed; an outer peripheral edge of the pixel area having a curved portion or a bent portion; and a first circuit block, a second circuit block, and a third circuit block arranged along the outer peripheral edge, wherein the second circuit block is arranged between the first circuit block and the first circuit block, and a first gap between the first circuit bock and the second circuit block is different from a second gap between the second circuit block and the third circuit block.
    Type: Grant
    Filed: June 1, 2023
    Date of Patent: April 16, 2024
    Assignee: Japan Display Inc.
    Inventors: Katsuya Anzai, Hideki Kawada, Hiroshi Matsuda, Yukitada Iwasaki
  • Publication number: 20230306925
    Abstract: An electro-optical device is provided and includes a plurality of first signal lines extending in a first direction on a substrate; a plurality of second signal lines extending in a second direction on the substrate, the second direction intersecting the first direction; a pixel area in which a plurality of pixel electrodes are disposed; an outer peripheral edge of the pixel area having a curved portion or a bent portion; and a first circuit block, a second circuit block, and a third circuit block arranged along the outer peripheral edge, wherein the second circuit block is arranged between the first circuit block and the first circuit block, and a first gap between the first circuit bock and the second circuit block is different from a second gap between the second circuit block and the third circuit block.
    Type: Application
    Filed: June 1, 2023
    Publication date: September 28, 2023
    Inventors: Katsuya ANZAI, Hideki KAWADA, Hiroshi MATSUDA, Yukitada IWASAKI
  • Patent number: 11699411
    Abstract: An electro-optical device is provided and includes a plurality of first signal lines extending in a first direction on a substrate; a plurality of second signal lines extending in a second direction on the substrate, the second direction intersecting the first direction; a pixel area in which a plurality of pixel electrodes are disposed; an outer peripheral edge of the pixel area having a curved portion or a bent portion; and a first circuit block, a second circuit block, and a third circuit block arranged along the outer peripheral edge, wherein the second circuit block is arranged between the first circuit block and the first circuit block, and a first gap between the first circuit bock and the second circuit block is different from a second gap between the second circuit block and the third circuit block.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: July 11, 2023
    Assignee: Japan Display Inc.
    Inventors: Katsuya Anzai, Hideki Kawada, Hiroshi Matsuda, Yukitada Iwasaki
  • Publication number: 20220366867
    Abstract: An electro-optical device is provided and includes a plurality of first signal lines extending in a first direction on a substrate; a plurality of second signal lines extending in a second direction on the substrate, the second direction intersecting the first direction; a pixel area in which a plurality of pixel electrodes are disposed; an outer peripheral edge of the pixel area having a curved portion or a bent portion; and a first circuit block, a second circuit block, and a third circuit block arranged along the outer peripheral edge, wherein the second circuit block is arranged between the first circuit block and the first circuit block, and a first gap between the first circuit bock and the second circuit block is different from a second gap between the second circuit block and the third circuit block.
    Type: Application
    Filed: July 29, 2022
    Publication date: November 17, 2022
    Inventors: Katsuya ANZAI, Hideki KAWADA, Hiroshi MATSUDA, Yukitada IWASAKI
  • Patent number: 11404017
    Abstract: An electro-optical device is provided and includes first signal lines extending in first direction on substrate; second signal lines extending in second direction on substrate, second direction intersecting first direction; pixel area in which pixel electrodes are disposed; outer peripheral edge of pixel area having curved or bent portions; first and second circuit blocks arranged along curved or bent portions, each of first and second circuit blocks including at least two unit circuits, wherein second circuit block is arranged adjacent to first circuit block with gap therebetween in first direction, first circuit block has first upper part and first lower part that define width of first circuit block in second direction, second circuit block has second upper part and second lower part that define width of second circuit block in second direction, and first upper part is arranged between second upper part and second lower part in second direction.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: August 2, 2022
    Assignee: Japan Display Inc.
    Inventors: Katsuya Anzai, Hideki Kawada, Hiroshi Matsuda, Yukitada Iwasaki
  • Publication number: 20210335313
    Abstract: An electro-optical device is provided and includes first signal lines extending in first direction on substrate; second signal lines extending in second direction on substrate, second direction intersecting first direction; pixel area in which pixel electrodes are disposed; outer peripheral edge of pixel area having curved or bent portions; first and second circuit blocks arranged along curved or bent portions, each of first and second circuit blocks including at least two unit circuits, wherein second circuit block is arranged adjacent to first circuit block with gap therebetween in first direction, first circuit block has first upper part and first lower part that define width of first circuit block in second direction, second circuit block has second upper part and second lower part that define width of second circuit block in second direction, and first upper part is arranged between second upper part and second lower part in second direction.
    Type: Application
    Filed: July 9, 2021
    Publication date: October 28, 2021
    Inventors: Katsuya ANZAI, Hideki KAWADA, Hiroshi MATSUDA, Yukitada IWASAKI
  • Patent number: 11062668
    Abstract: An electro-optical device includes first and second signal lines extending in first and second directions respectively on a component substrate; a pixel area disposed at a portion corresponding to an intersection of the first and second signal lines; a signal output circuit disposed outside the pixel area and outputs a driving signal to the first signal line and including circuit blocks arranged next to one another, wherein an outer peripheral edge of the pixel area has a curved or bent portion facing the signal output circuit, a first circuit block included in the circuit blocks is arranged along the curved or bent portion, and a second circuit block included in the circuit blocks and adjacent to the first circuit block is arranged so as to be displaced in the first direction from the first circuit block, and a lead-out area where the first and second circuit blocks are connected.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: July 13, 2021
    Assignee: Japan Display Inc.
    Inventors: Katsuya Anzai, Hideki Kawada, Hiroshi Matsuda, Yukitada Iwasaki
  • Publication number: 20200320950
    Abstract: An electro-optical device includes first and second signal lines extending in first and second directions respectively on a component substrate; a pixel area disposed at a portion corresponding to an intersection of the first and second signal lines; a signal output circuit disposed outside the pixel area and outputs a driving signal to the first signal line and including circuit blocks arranged next to one another, wherein an outer peripheral edge of the pixel area has a curved or bent portion facing the signal output circuit, a first circuit block included in the circuit blocks is arranged along the curved or bent portion, and a second circuit block included in the circuit blocks and adjacent to the first circuit block is arranged so as to be displaced in the first direction from the first circuit block, and a lead-out area where the first and second circuit blocks are connected.
    Type: Application
    Filed: June 19, 2020
    Publication date: October 8, 2020
    Inventors: Katsuya ANZAI, Hideki KAWADA, Hiroshi MATSUDA, Yukitada IWASAKI
  • Patent number: 10692453
    Abstract: An electro-optical device includes first and second signal lines extending in directions intersecting each other on a component substrate, a pixel area including a pixel electrode disposed in correspondence with an intersection of the first and second signal lines, a signal output circuit disposed outside the pixel area and outputs a driving signal to the first signal line, and a connection wiring connecting the signal output circuit and the first signal line. An outer peripheral edge of the pixel area has a curved portion or a bent portion in a portion facing the signal output circuit, and the signal output circuit includes a plurality of circuit blocks arranged along the curved portion or the bent portion of the portion facing the signal output circuit with deviated between adjacent circuit blocks in the direction of extension of the first signal line and/or the direction of extension of the second signal line.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: June 23, 2020
    Assignee: Japan Display Inc.
    Inventors: Katsuya Anzai, Hideki Kawada, Hiroshi Matsuda, Yukitada Iwasaki
  • Publication number: 20170178563
    Abstract: An electro-optical device includes first and second signal lines extending in directions intersecting each other on a component substrate, a pixel area including a pixel electrode disposed in correspondence with an intersection of the first and second signal lines, a signal output circuit disposed outside the pixel area and outputs a driving signal to the first signal line, and a connection wiring connecting the signal output circuit and the first signal line. An outer peripheral edge of the pixel area has a curved portion or a bent portion in a portion facing the signal output circuit, and the signal output circuit includes a plurality of circuit blocks arranged along the curved portion or the bent portion of the portion facing the signal output circuit with deviated between adjacent circuit blocks in the direction of extension of the first signal line and/or the direction of extension of the second signal line.
    Type: Application
    Filed: March 8, 2017
    Publication date: June 22, 2017
    Inventors: Katsuya ANZAI, Hideki KAWADA, Hiroshi MATSUDA, Yukitada IWASAKI
  • Patent number: 9626900
    Abstract: An electro-optical device includes first and second signal lines that extend in directions for intersecting each other on a component substrate, a pixel area in which a pixel electrode is disposed in correspondence with an intersection of the first and second signal lines, a signal output circuit that is disposed outside the pixel area and outputs a driving signal to the first signal line, and a connection wiring that connects the signal output circuit and the first signal line together. An outer peripheral edge of the pixel area has a curved portion or a bent portion in a portion facing the signal output circuit, and the signal output circuit includes a plurality of circuit blocks, and the circuit blocks are arranged along the curved portion or the bent portion of the portion facing the signal output circuit with deviated between adjacent circuit blocks in the direction of extension of the first signal line and/or the direction of extension of the second signal line.
    Type: Grant
    Filed: September 16, 2008
    Date of Patent: April 18, 2017
    Assignee: Japan Display Inc.
    Inventors: Katsuya Anzai, Hideki Kawada, Hiroshi Matsuda, Yukitada Iwasaki
  • Publication number: 20090102758
    Abstract: An electro-optical device includes first and second signal lines that extend in directions for intersecting each other on a component substrate, a pixel area in which a pixel electrode is disposed in correspondence with an intersection of the first and second signal lines, a signal output circuit that is disposed outside the pixel area and outputs a driving signal to the first signal line, and a connection wiring that connects the signal output circuit and the first signal line together. An outer peripheral edge of the pixel area has a curved portion or a bent portion in a portion facing the signal output circuit, and the signal output circuit includes a plurality of circuit blocks, and the circuit blocks are arranged along the curved portion or the bent portion of the portion facing the signal output circuit with deviated between adjacent circuit blocks in the direction of extension of the first signal line and/or the direction of extension of the second signal line.
    Type: Application
    Filed: September 16, 2008
    Publication date: April 23, 2009
    Applicant: EPSON IMAGING DEVICES CORPORATION
    Inventors: Katsuya ANZAI, Hideki KAWADA, Hiroshi MATSUDA, Yukitada IWASAKI
  • Patent number: 7330168
    Abstract: A source of a driving transistor for driving an organic EL element functions as a first capacitance electrode layer. A second capacitance electrode layer is formed on the source through a gate insulating film of the driving transistor. The second capacitance electrode layer is formed with the same layer and by the same process as the gate electrode. A third capacitance electrode layer is formed extending over the second capacitance electrode layer through the interlayer insulating film. The third capacitance electrode layer is formed with the same layer as the drain electrode and the drain signal line. The third capacitance electrode layer is connected to the source of the driving transistor. The forming area of the storage capacitance element for holding the video signal supplied to the gate of the driving transistor can be thus reduced, improving display quality as well as extending life span of the organic El element.
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: February 12, 2008
    Assignee: Sanyo Electric Co., Ltd.
    Inventor: Katsuya Anzai
  • Patent number: 7102163
    Abstract: A TFT for controlling the power supplied to an element to be driven, such as an organic EL element which operates based on the supplied power, is provided between the element to be driven and a power supply line VL. The TFT and the element to be driven are electrically connected by a wiring layer. The contact position between the wiring layer and the TFT and the contact position between the wiring layer and the element to be driven are positioned so as to be distant from each other. Alternatively, at least the contact hole region of a first electrode of the element is covered by a flattening layer. With this structure, it is possible to realize a flatter surface on which to form, for example, the emissive layer of the element to be driven.
    Type: Grant
    Filed: February 23, 2004
    Date of Patent: September 5, 2006
    Assignee: Sanyo Electric Co., Ltd.
    Inventor: Katsuya Anzai
  • Patent number: 6985129
    Abstract: On a substrate (10), one or more inverter circuits for adjusting delay time are provided between an external clock input section (T1, T2) to which a clock signal CKH1 or CKH2 is externally input and a sampling signal generating circuit (shift register). Of the inverter circuits, only necessary inverter circuits are selected and connected, thereby delaying the sampling timing for a video signal. The connection between the inverter circuit and the signal path is achieved simply by changing a connection line pattern mask in accordance with the number of inverter circuits to be connected, and without changing other manufacturing processes.
    Type: Grant
    Filed: March 7, 2002
    Date of Patent: January 10, 2006
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Katsuya Anzai, Ryoichi Yokoyama
  • Patent number: 6876346
    Abstract: An EL element (50) having an organic emissive layer or the like between the anode and cathode is used as an element to be driven, and an element driving TFT (20) for controlling the current supplied to the EL element (50) and a compensation thin film transistor (30) having an opposite conductive characteristic as the element driving TFT (20) are provided between the EL element (50) and the power supply line VL. With this structure, variation in the current supplied to each EL element (50) is reduced.
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: April 5, 2005
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Katsuya Anzai, Naoaki Komiya