Patents by Inventor Ju-Hsin Chiang

Ju-Hsin Chiang 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).

  • BRIGHTNESS ENHANCEMENT FILM
    Publication number: 20080088934
    Abstract: A brightness enhancement film including a substrate and a brightness enhancement structure disposed on the substrate is provided. A surface of the brightness enhancement structure has a plurality of first grooves along a first direction and a plurality of second grooves along a second direction perpendicular to the first direction, so as to define a plurality of pyramid-shaped prism units. A part of the first grooves have a first groove depth, and a part of the second grooves have a second groove depth which is not equal to the first groove depth.
    Type: Application
    Filed: November 15, 2006
    Publication date: April 17, 2008
    Applicant: SPEED TECH CORP.
    Inventor: Ju-Hsin Chiang