Patents Assigned to Airtec System Co., Ltd.
  • Constant-current-drive LED module device
    Patent number: 8872434
    Abstract: A constant-current-drive LED module device includes a rectifier configured to receive and rectify an alternating current power source; a unidirectional LED module unit configured to connect to one end of the rectifier; and a constant current unit configured to connect between the unidirectional LED module unit and the other end of the rectifier to control constant current.
    Type: Grant
    Filed: November 6, 2009
    Date of Patent: October 28, 2014
    Assignee: Airtec System Co., Ltd.
    Inventors: Hye Man Jung, Seok Jin Ha, In Ki Park, Sang Shin Koo, Jong Hyun Kim