Patents by Inventor Hoon Sang RYU

Hoon Sang RYU 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).

  • Display driver IC and display apparatus including the same
    Patent number: 10777112
    Abstract: A display driver integrated circuit (DDI) includes a level shifter unit configured to convert a level of a control signal to a voltage in a range that equal to or greater than a first voltage and is equal to or less than a second voltage and output a switch control signal, and a voltage generator including a capacitor and a switch that is turned on or off based on or in response to the switch control signal and configured to generate at least one third voltage.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: September 15, 2020
    Assignee: DB HiTek Co., Ltd.
    Inventors: Jung Heo, Seung Jin Yeo, Jae Hong Ko, Hoon Sang Ryu, Woo Hyoung Seo
  • DISPLAY DRIVER IC AND DISPLAY APPARATUS INCLUDING THE SAME
    Publication number: 20200098297
    Abstract: A display driver integrated circuit (DDI) includes a level shifter unit configured to convert a level of a control signal to a voltage in a range that equal to or greater than a first voltage and is equal to or less than a second voltage and output a switch control signal, and a voltage generator including a capacitor and a switch that is turned on or off based on or in response to the switch control signal and configured to generate at least one third voltage.
    Type: Application
    Filed: May 28, 2019
    Publication date: March 26, 2020
    Inventors: JUNG HEO, Seung Jin YEO, Jae Hong KO, Hoon Sang RYU, Woo Hyoung SEO