Patents by Inventor Seong Wha HONG

Seong Wha HONG 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).

  • Touch power management circuit and touch driving system including the same
    Patent number: 11934615
    Abstract: The present disclosure relates to a touch power management circuit and a touch driving system comprising the same, and more particularly, relates to a touch power management circuit to generate signals required for a touch driving by using voltage sources different in a pen touch driving period and a finger touch driving period in order to reduce power consumption of a display device and a touch driving system comprising the touch power management circuit.
    Type: Grant
    Filed: May 22, 2023
    Date of Patent: March 19, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Seong Sik Yoon, Seong Wha Hong
  • TOUCH POWER MANAGEMENT CIRCUIT AND TOUCH DRIVING SYSTEM INCLUDING THE SAME
    Publication number: 20230289016
    Abstract: The present disclosure relates to a touch power management circuit and a touch driving system comprising the same, and more particularly, relates to a touch power management circuit to generate signals required for a touch driving by using voltage sources different in a pen touch driving period and a finger touch driving period in order to reduce power consumption of a display device and a touch driving system comprising the touch power management circuit.
    Type: Application
    Filed: May 22, 2023
    Publication date: September 14, 2023
    Applicant: LX Semicon Co., Ltd.
    Inventors: Seong Sik YOON, Seong Wha HONG
  • Touch power management circuit and touch driving system including the same
    Patent number: 11693517
    Abstract: The present disclosure relates to a touch power management circuit and a touch driving system comprising the same, and more particularly, relates to a touch power management circuit to generate signals required for a touch driving by using voltage sources different in a pen touch driving period and a finger touch driving period in order to reduce power consumption of a display device and a touch driving system comprising the touch power management circuit.
    Type: Grant
    Filed: March 3, 2022
    Date of Patent: July 4, 2023
    Assignee: LX SEMICON CO., LTD.
    Inventors: Seong Sik Yoon, Seong Wha Hong
  • Touch power management circuit and touch driving system including the same
    Patent number: 11592934
    Abstract: The present embodiment relates to a touch power management circuit and a touch driving system including the same, and more particularly, to a touch power management circuit that prevents unnecessary power consumption during a pen touch driving period in order to reduce power consumption of a display device, and a touch driving system including the same.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: February 28, 2023
    Assignee: LX SEMICON CO., LTD
    Inventors: Seong Sik Yoon, Seong Wha Hong, Ju Hyoung Lee
  • TOUCH POWER MANAGEMENT CIRCUIT AND TOUCH DRIVING SYSTEM INCLUDING THE SAME
    Publication number: 20230008655
    Abstract: The present embodiment relates to a touch power management circuit and a touch driving system including the same, and more particularly, to a touch power management circuit that prevents unnecessary power consumption during a pen touch driving period in order to reduce power consumption of a display device, and a touch driving system including the same.
    Type: Application
    Filed: July 6, 2022
    Publication date: January 12, 2023
    Applicant: LX Semicon Co., Ltd.
    Inventors: Seong Sik YOON, Seong Wha HONG, Ju Hyoung LEE
  • TOUCH POWER MANAGEMENT CIRCUIT AND TOUCH DRIVING SYSTEM INCLUDING THE SAME
    Publication number: 20220283665
    Abstract: The present disclosure relates to a touch power management circuit and a touch driving system comprising the same, and more particularly, relates to a touch power management circuit to generate signals required for a touch driving by using voltage sources different in a pen touch driving period and a finger touch driving period in order to reduce power consumption of a display device and a touch driving system comprising the touch power management circuit.
    Type: Application
    Filed: March 3, 2022
    Publication date: September 8, 2022
    Applicant: LX Semicon Co., Ltd.
    Inventors: Seong Sik YOON, Seong Wha HONG