Patents Examined by Tarifur R. Chardhury
  • Method of performing a uniform illumination pattern in a back-light plate using a press
    Patent number: 6710829
    Abstract: A method of performing a uniform illumination pattern in a back-light plate by using a press. This method mainly utilizes a press with a plurality of protruding elements to press an illuminating face of the back-light plate. Accordingly, a plurality of recesses, each with a predetermined depth, are consequently formed to serve as a uniform illumination pattern of the back-light plate. When visible light incidents into the back-light plate, the plurality of recesses on the illuminating face make the back-light plate be uniformly illuminated.
    Type: Grant
    Filed: February 9, 2001
    Date of Patent: March 23, 2004
    Assignee: BenQ Corporation
    Inventor: Chi-Yu Liao