Patents by Inventor Jang Hyuck LEE

Jang Hyuck LEE 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).

  • Publication number: 20210051785
    Abstract: A switching driving circuit includes a switch configured to switch a current supplied to a target circuit, a sensing resistor connected to the switch, a controller configured to control the switch by comparing a sensing voltage applied to the sensing resistor with a reference voltage, and a compensation circuit configured to regulate the reference voltage based on an amount of variation of an input voltage input into the target circuit and an output voltage output from the target circuit.
    Type: Application
    Filed: April 15, 2020
    Publication date: February 18, 2021
    Applicant: MagnaChip Semiconductor, Ltd.
    Inventors: Jang Hyuck LEE, Joo Han YOON, Byoung Kwon AN
  • Publication number: 20210021191
    Abstract: An integration circuit is provided. The integration circuit includes a current source, a capacitor connected in series with the current source, a voltage source bias connected in series with the capacitor, a switch configured to connect a first node between the current source and the capacitor and a second node between the capacitor and the voltage source bias; and a switch control logic unit configured to control an on/off operation of the switch, wherein an integration operation is performed by the current source and the capacitor.
    Type: Application
    Filed: March 26, 2020
    Publication date: January 21, 2021
    Applicant: MagnaChip Semiconductor Ltd.
    Inventors: Jang Hyuck LEE, Joo Han YOON, Byoung Kwon AN, Jay LEE