Patents Assigned to Stonlite Discrete & Opto Co., Ltd
  • Light guiding diffuser
    Patent number: 7972039
    Abstract: A light guiding diffuser used for assembling with a light emitting diode module to form an illuminating light source. The light guiding diffuser includes an elliptical ring-shaped base portion and a convex portion extended from a surface of the base portion and formed a space with the base portion for accommodating the light emitting diode module. The convex portion has a cross section which has a minimum thickness in a center thereof and the thickness of the cross section continuous increases from the center toward the base portion.
    Type: Grant
    Filed: May 4, 2009
    Date of Patent: July 5, 2011
    Assignees: Gem-Sun Technologies Co., Ltd, Stonlite Discrete & Opto Co., Ltd
    Inventor: Fong-Yuan Wen