Patents by Inventor Jong June PARK

Jong June PARK 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: 9839081
    Abstract: A ballast stabilizer-compatible lamp including a leakage current protection circuit includes a first input stage configured to receive first external power, a second input stage configured to receive second external power, a first switch module electrically connected to the first input stage and configured to switch on/off depending on a predetermined condition, a second switch module electrically connected to the second input stage and configured to switch on/off depending on a predetermined condition, an overvoltage protection circuit electrically connected to the first switch module and the second switch module and configured to prevent an overvoltage, a control module electrically connected to the overvoltage protection circuit and configured to sense and control the state of the first switch module, the first switch module, and the overvoltage protection circuit, and a light source electrically connected to the control module and configured to radiate light when power is applied.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: December 5, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Jong June Park
  • Patent number: 9788390
    Abstract: An AC direct drive lamp including a leakage current protection circuit includes an input stage configured to receive external power, a rectification circuit configured to rectify the external power received from the input stage, a control module electrically connected to the output stage of the rectification circuit and configured to sense and control the state of at least one of the rectification circuit, a switch module, and a light source, the switch module connected between the input stage and the control module in a feedback form and configured to switch on/off depending on a predetermined condition, and the light source electrically connected to the control module and configured to radiate light when power is applied.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: October 10, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Jong June Park
  • Publication number: 20170094748
    Abstract: An AC direct drive lamp including a leakage current protection circuit includes an input stage configured to receive external power, a rectification circuit configured to rectify the external power received from the input stage, a control module electrically connected to the output stage of the rectification circuit and configured to sense and control the state of at least one of the rectification circuit, a switch module, and a light source, the switch module connected between the input stage and the control module in a feedback form and configured to switch on/off depending on a predetermined condition, and the light source electrically connected to the control module and configured to radiate light when power is applied.
    Type: Application
    Filed: September 23, 2016
    Publication date: March 30, 2017
    Inventor: Jong June PARK
  • Publication number: 20170079100
    Abstract: A ballast stabilizer-compatible lamp including a leakage current protection circuit includes a first input stage configured to receive first external power, a second input stage configured to receive second external power, a first switch module electrically connected to the first input stage and configured to switch on/off depending on a predetermined condition, a second switch module electrically connected to the second input stage and configured to switch on/off depending on a predetermined condition, an overvoltage protection circuit electrically connected to the first switch module and the second switch module and configured to prevent an overvoltage, a control module electrically connected to the overvoltage protection circuit and configured to sense and control the state of the first switch module, the first switch module, and the overvoltage protection circuit, and a light source electrically connected to the control module and configured to radiate light when power is applied.
    Type: Application
    Filed: September 13, 2016
    Publication date: March 16, 2017
    Inventor: Jong June PARK