Patents Assigned to RFSEMI TECHNOLOGIES, INC.
  • Apparatus for driving light-emitting diodes
    Patent number: 9301366
    Abstract: An apparatus for driving light-emitting diodes includes first and second light-emitting diode auxiliary drive parts for controlling the lighting of first and second light-emitting diode parts depending on the currents flowing through the first and second light-emitting diode parts, respectively detected by first and second resistors. Each of the first light-emitting diode auxiliary drive part and the second light-emitting diode auxiliary drive part includes a first transistor, a second transistor, and a third transistor.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: March 29, 2016
    Assignee: RFSEMI TECHNOLOGIES, INC.
    Inventors: Jin hyo Lee, Kyu hong Lee
  • APPARATUS FOR DRIVING LIGHT-EMITTING DIODES
    Publication number: 20150366009
    Abstract: An apparatus for driving light-emitting diodes includes first and second light-emitting diode auxiliary drive parts for controlling the lighting of first and second light-emitting diode parts depending on the currents flowing through the first and second light-emitting diode parts, respectively detected by first and second resistors. Each of the first light-emitting diode auxiliary drive part and the second light-emitting diode auxiliary drive part includes a first transistor, a second transistor, and a third transistor.
    Type: Application
    Filed: February 26, 2014
    Publication date: December 17, 2015
    Applicant: RFSEMI TECHNOLOGIES, INC.
    Inventors: Jin hyo Lee, Kyu hong Lee