Patents by Inventor Hyeon Seok KO

Hyeon Seok KO 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 driving apparatus and method capable of supplying flexible porch signal in blank period
    Patent number: 11501730
    Abstract: Disclosed is a display driving apparatus configured to provide a signal to a display panel, including an output buffer unit configured to output the source signal to the display panel for the active period and output a porch signal to the display panel for the blank period, and a low dropout (LDO) unit configured to supply the porch signal to the output buffer unit, wherein the output buffer unit includes a buffer configured to output the source signal or the porch signal to the display panel, a first switch configured to switch a connection between the LDO unit and an input line of the buffer, and a second switch configured to switch a connection between the LDO unit and an output line of the buffer, and the buffer is turned on or off according to a switching state of each of the first switch and the second switch.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: November 15, 2022
    Assignee: LX SEMICON CO., LTD.
    Inventors: Ho Jong Park, Hyeon Seok Ko
  • DISPLAY DRIVING APPARATUS AND METHOD
    Publication number: 20220139349
    Abstract: Disclosed is a display driving apparatus configured to provide a signal to a display panel, including an output buffer unit configured to output the source signal to the display panel for the active period and output a porch signal to the display panel for the blank period, and a low dropout (LDO) unit configured to supply the porch signal to the output buffer unit, wherein the output buffer unit includes a buffer configured to output the source signal or the porch signal to the display panel, a first switch configured to switch a connection between the LDO unit and an input line of the buffer, and a second switch configured to switch a connection between the LDO unit and an output line of the buffer, and the buffer is turned on or off according to a switching state of each of the first switch and the second switch.
    Type: Application
    Filed: October 25, 2021
    Publication date: May 5, 2022
    Inventors: Ho Jong PARK, Hyeon Seok KO