Hyunchul EUM

Person

  • Seoul, KR

Patents Grantslast 30 patents

  • Information Patent Grant

    System and method for shaping input current in light emitting diode...

    • Patent number 10,708,994
    • Issue date Jul 7, 2020
    • Semiconductor Components Industries, LLC
    • Hyunchul Eum
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Line ripple reducer

    • Patent number 10,575,377
    • Issue date Feb 25, 2020
    • Semiconductor Components Industries, LLC
    • Hyunchul Eum
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Control system for phase-cut dimming

    • Patent number 10,412,798
    • Issue date Sep 10, 2019
    • Semiconductor Components Industries, LLC
    • Hyunchul Eum
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    System and method for shaping input current in light emitting diode...

    • Patent number 10,405,382
    • Issue date Sep 3, 2019
    • Semiconductor Components Industries, LLC
    • Hyunchul Eum
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Lighting circuit with internal reference thresholds for hybrid dimming

    • Patent number 10,178,729
    • Issue date Jan 8, 2019
    • Semiconductor Components Industries, LLC
    • Seunguk Yang
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hybrid dimming for lighting circuits

    • Patent number 10,091,849
    • Issue date Oct 2, 2018
    • Semiconductor Components Industries, LLC
    • Seunguk Yang
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    LED lighting circuit with ripple reducer

    • Patent number 9,900,938
    • Issue date Feb 20, 2018
    • Fairchild Korea Semiconductor Ltd.
    • Jintae Kim
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Control system for phase-cut dimming

    • Patent number 9,872,349
    • Issue date Jan 16, 2018
    • Fairchild Korea Semiconductor Ltd
    • Hyunchul Eum
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Standby current supplier

    • Patent number 9,826,608
    • Issue date Nov 21, 2017
    • Fairchild Korea Semiconductor Ltd.
    • Hyunchul Eum
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

  • Information Patent Application

    SYSTEM AND METHOD FOR SHAPING INPUT CURRENT IN LIGHT EMITTING DIODE...

    • Publication number 20190350056
    • Publication date Nov 14, 2019
    • Semiconductor Components Industries, LLC
    • Hyunchul EUM
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    LINE RIPPLE REDUCER

    • Publication number 20190159308
    • Publication date May 23, 2019
    • Semiconductor Components Industries, LLC
    • Hyunchul EUM
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SYSTEM AND METHOD FOR SHAPING INPUT CURRENT IN LIGHT EMITTING DIODE...

    • Publication number 20180368224
    • Publication date Dec 20, 2018
    • Semiconductor Components Industries, LLC
    • Hyunchul EUM
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CONTROL SYSTEM FOR PHASE-CUT DIMMING

    • Publication number 20180098398
    • Publication date Apr 5, 2018
    • Fairchild Korea Semiconductor Ltd.
    • Hyunchul EUM
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    LIGHTING CIRCUIT WITH INTERNAL REFERENCE THRESHOLDS FOR HYBRID DIMMING

    • Publication number 20180054864
    • Publication date Feb 22, 2018
    • FAIRCHILD KOREA SEMICONDUCTOR LTD.
    • Seunguk YANG
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    HYBRID DIMMING FOR LIGHTING CIRCUITS

    • Publication number 20180054865
    • Publication date Feb 22, 2018
    • FAIRCHILD KOREA SEMICONDUCTOR LTD.
    • Seunguk YANG
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    LED LIGHTING CIRCUIT WITH RIPPLE REDUCER

    • Publication number 20170215238
    • Publication date Jul 27, 2017
    • FAIRCHILD KOREA SEMICONDUCTOR LTD.
    • Jintae KIM
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Control System for Phase-Cut Dimming

    • Publication number 20160135265
    • Publication date May 12, 2016
    • Fairchild Korea Semiconductor Ltd.
    • Hyunchul EUM
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Standby Current Supplier

    • Publication number 20160135272
    • Publication date May 12, 2016
    • Fairchild Korea Semiconductor Ltd.
    • Hyunchul EUM
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR