Patents Assigned to Dafron Electronics Corp.
  • Input apparatus and light guiding plate thereof
    Patent number: 8231236
    Abstract: The invention provides a light guiding plate. The light guiding plate is transparent and applied to an input apparatus. A surface of the light guiding plate comprises a first region and a second region. The first region is covered by a non-transparent material. If a light is emitted into the light guiding plate, the light can be emitted out from the second region.
    Type: Grant
    Filed: October 7, 2009
    Date of Patent: July 31, 2012
    Assignee: Dafron Electronics Corp.
    Inventors: Chih-Hsiang Chiang, Chih-Chung Yen, Liang-Ta Yeh