Patents Assigned to Heesung Electronics Co., Ltd.
  • Patent number: 10429033
    Abstract: A quantum dot sheet includes quantum dots, light scattering agents and a resin, where the resin includes repeated units represented by the chemical formula using an aryl group of C6-C30, and a substituted or unsubstituted alkyl group of C1-C1000.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: October 1, 2019
    Assignee: HEESUNG ELECTRONICS CO., LTD.
    Inventors: Na Rae Yoon, Hyun Seok Cho, Do Eok Kim
  • Patent number: 7527510
    Abstract: Provided is a single integral power connection apparatus of a backlight unit with a pressure cam that compresses a lamp lead receiver including plate springs using an elastic restoring force of a cam spring such that the lamp lead receiver comes in contact with a lead of a CCFL to supply power to the CCFL. The power connection apparatus includes a base disposed on a substrate of the backlight unit, the lamp lead receiver having a space defined for receiving the lead by a pair of the bent plate springs disposed on the base, a lamp lead guide disposed on the base for supporting the lead of the lamp, a lamp tube guide disposed on the base for supporting a tube of the lamp, the elastic cam spring applying the restoring force, and the pressure cam for pressing the lamp lead receiver using the restoring force of the cam spring.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: May 5, 2009
    Assignee: Heesung Electronics Co., Ltd.
    Inventor: Hee-Jong Yoo