Patents Assigned to Gwangsung Lighting Industry Co., Ltd.
  • Bulbtype lamp with light emitting diodes using alternating current
    Patent number: 8545050
    Abstract: Provided is a bulbtype AC power LED lamp. The bulbtype AC power LED lamp includes an AC power LED board, a diffuser, a board base, an insulation base, a socket, and a bulb. The AC power LED board is in contact with the board base on which a heat sink is disposed to maximize heat emission efficiency during turn-on of the AC power LED. Also, light is diffused by the diffuser during turn-on of the AC power LED to prevent dazzling phenomenon as well as extend a lighting area.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: October 1, 2013
    Assignee: Gwangsung Lighting Industry Co., Ltd.
    Inventor: Choong Hae Lee