Patents by Inventor Chari Krishnan

Chari Krishnan 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).

  • Anamorphic microlens array
    Patent number: 7722790
    Abstract: An LC display comprises in order (a) a light source, (b) a transparent polymeric film bearing on the light exit surface of the film an array of close-packed convex microlenses having a distribution of sizes and oriented in one direction, whereby the light output is preferentially spread in a desired direction, and (c) an LC panel. A related process and film are also disclosed.
    Type: Grant
    Filed: June 14, 2007
    Date of Patent: May 25, 2010
    Assignee: SKC Haas Display Films Co., Ltd.
    Inventors: Chari Krishnan, Charles W. Lander, Ronald J. Sudol, Jin-Shan Wang, Charles M. Rankin, Jr., Paul D. Yacobucci
  • ANAMORPHIC MICROLENS ARRAY
    Publication number: 20080278663
    Abstract: An LC display comprises in order (a) a light source, (b) a transparent polymeric film bearing on the light exit surface of the film an array of close-packed convex microlenses having a distribution of sizes and oriented in one direction, whereby the light output is preferentially spread in a desired direction, and (c) an LC panel. A related process and film are also disclosed.
    Type: Application
    Filed: June 14, 2007
    Publication date: November 13, 2008
    Inventors: Chari Krishnan, Charles W. Lander, Ronald J. Sudol, Jin-Shan Wang, Charles M. Rankin, JR., Paul D. Yacobucci