Patents by Inventor Yasuhiro TAMANO

Yasuhiro TAMANO 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: 11968759
    Abstract: A dimming data transmission device includes a determination unit configured to determine whether each of a plurality of divided regions, into which a lightable region of an illumination device is divided, is a light-on region or a light-off region, and a transmission unit configured to transmit dimming data to dim only such a divided region of the divided regions as is serving as the light-on region.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: April 23, 2024
    Assignee: Rohm Co., Ltd.
    Inventor: Yasuhiro Tamano
  • Patent number: 11922840
    Abstract: A liquid crystal display device includes a pixel array including a plurality of rows of gate lines, a plurality of columns of source lines, a plurality of switches, and a plurality of liquid crystal cells; a gate driver IC connected to the gate lines; a source driver IC connected to the source lines; a timing control IC arranged to control operation timings of the gate driver IC and the source driver IC; and a system power supply IC arranged to supply a power supply voltage to the source driver IC. Each of the timing control IC and the system power supply IC has a function of detecting an abnormality in the gate driver IC and an abnormality in the source driver IC.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: March 5, 2024
    Assignee: Rohm Co., Ltd.
    Inventors: Yasuhiro Tamano, Shinji Kawata, Yoko Nomaguchi
  • Publication number: 20230209687
    Abstract: A dimming data transmission device includes a determination unit configured to determine whether each of a plurality of divided regions, into which a lightable region of an illumination device is divided, is a light-on region or a light-off region, and a transmission unit configured to transmit dimming data to dim only such a divided region of the divided regions as is serving as the light-on region.
    Type: Application
    Filed: April 19, 2021
    Publication date: June 29, 2023
    Inventor: Yasuhiro TAMANO
  • Publication number: 20220351655
    Abstract: A liquid crystal display device includes a pixel array including a plurality of rows of gate lines, a plurality of columns of source lines, a plurality of switches, and a plurality of liquid crystal cells; a gate driver IC connected to the gate lines; a source driver IC connected to the source lines; a timing control IC arranged to control operation timings of the gate driver IC and the source driver IC; and a system power supply IC arranged to supply a power supply voltage to the source driver IC. Each of the timing control IC and the system power supply IC has a function of detecting an abnormality in the gate driver IC and an abnormality in the source driver IC.
    Type: Application
    Filed: July 13, 2022
    Publication date: November 3, 2022
    Inventors: Yasuhiro TAMANO, Shinji Kawata, Yoko NOMAGUCHI
  • Patent number: 11475808
    Abstract: A liquid crystal display device includes a pixel array including a plurality of rows of gate lines, a plurality of columns of source lines, a plurality of switches, and a plurality of liquid crystal cells; a gate driver IC connected to the gate lines; a source driver IC connected to the source lines; a timing control IC arranged to control operation timings of the gate driver IC and the source driver IC; and a system power supply IC arranged to supply a power supply voltage to the source driver IC. Each of the timing control IC and the system power supply IC has a function of detecting an abnormality in the gate driver IC and an abnormality in the source driver IC.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: October 18, 2022
    Assignee: Rohm Co., Ltd.
    Inventors: Yasuhiro Tamano, Shinji Kawata, Yoko Nomaguchi
  • Publication number: 20200193882
    Abstract: A liquid crystal display device includes a pixel array including a plurality of rows of gate lines, a plurality of columns of source lines, a plurality of switches, and a plurality of liquid crystal cells; a gate driver IC connected to the gate lines; a source driver IC connected to the source lines; a timing control IC arranged to control operation timings of the gate driver IC and the source driver IC; and a system power supply IC arranged to supply a power supply voltage to the source driver IC. Each of the timing control IC and the system power supply IC has a function of detecting an abnormality in the gate driver IC and an abnormality in the source driver IC.
    Type: Application
    Filed: September 7, 2018
    Publication date: June 18, 2020
    Applicant: Rohm Co., Ltd.
    Inventors: Yasuhiro TAMANO, Shinji Kawata, Yoko NOMAGUCHI