Patents by Inventor Tsung-Shien Tsai

Tsung-Shien Tsai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Optical film having luminous flux
    Patent number: 7768710
    Abstract: An optical film has symmetrical arrangement light-collecting units. The light-collecting units can be extended for several times. The light-collecting unit has apex angles and base angles with different degrees. Thus, a uniform luminous flux and a good light intensity are obtained for the optical film.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: August 3, 2010
    Assignee: Gigastorage Corporation
    Inventors: Stephen Yang, Tsung-Shien Tsai
  • Optical Film Having Luminous Flux
    Publication number: 20090059382
    Abstract: An optical film has symmetrical arrangement light-collecting units. The light-collecting units can be extended for several times. The light-collecting unit has apex angles and base angles with different degrees. Thus, a uniform luminous flux and a good light intensity are obtained for the optical film.
    Type: Application
    Filed: July 31, 2008
    Publication date: March 5, 2009
    Applicant: GIGASTORAGE CORPORATION
    Inventors: Stephen YANG, Tsung-Shien Tsai