Patents by Inventor Kalantar Kalil

Kalantar Kalil 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 SHEET, BACKLIGHT UNIT INCLUDING THE SAME, AND DISPLAY APPARATUS INCLUDING THE SAME
    Publication number: 20140160574
    Abstract: An optical sheet includes: a base film comprising a rear surface upon which light is incident, a front surface facing the rear surface for emitting the light, and a side surface connecting the rear and front surfaces to each other; and a light collection section in which prisms formed by coupling a plurality of prism units to each other are arranged on the front surface of the base film and integrated with the base film. One end surface of each prism unit has a semicircular shape. A backlight unit includes the optical sheet, and an optical apparatus includes the backlight unit or the optical sheet.
    Type: Application
    Filed: December 6, 2013
    Publication date: June 12, 2014
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Young Hyun Ju, Kalantar Kalil, Seung Man Choi