Patents Assigned to Pong & Huang International Co., Ltd.
  • Patent number: 7113342
    Abstract: The present invention disclose a composite structure for light diffusion, including at least one carrier media layer and a microlens system comprising a plurality of microlenses thereon. A transparent material for enlarging the shape is coated on each microlens to cover the gaps between the microlens. Partial surface of the transparent material can be coated a light absorbing layer for glare reduction. Besides, the microlens can be or asymmetric or arranged in random, non-periodic array for interference reduction.
    Type: Grant
    Filed: February 24, 2005
    Date of Patent: September 26, 2006
    Assignee: Pong & Huang International Co., Ltd.
    Inventors: Pin-Chien Huang, Ta-Ching Pong