Patents Assigned to GLOTEC CO., LTD.
  • Optical film and manufacturing method thereof, liquid cristal display apparatus using the optical film
    Patent number: 9182523
    Abstract: An optical sheet having a single sheet structure for an edge-lighting backlight unit using a printless light guide plate, a method of manufacturing the same, and a liquid crystal display apparatus using the same are provided. The optical sheet having a single sheet structure includes a first prism sheet having a prism pattern formed on the upper surface thereof, and a second prism sheet having a prism pattern formed on the upper surface thereof. Further, prism ridges of the first prism sheet are attached to the bottom surface of the second prism sheet by means of an adhesive so that the prism pattern of the first prism sheet and the prism pattern of the second prism sheet are directed in the same direction.
    Type: Grant
    Filed: June 18, 2012
    Date of Patent: November 10, 2015
    Assignee: GLOTEC CO., LTD
    Inventors: Gi Suk Sung, Chang Kun Kim
  • MULTI-SHEET FOR BACK LIGHT UNIT AND METHOD THEREOF
    Publication number: 20130095297
    Abstract: A composite sheet for a backlight unit using a printless light guide plate in a liquid crystal display television, which includes a first prism sheet positioned directly on the printless light guide plate, a second prism sheet having a prism pattern formed in a direction orthogonal to a direction of a prism pattern of the first prism sheet, and a protective sheet, where ribs of the first prism sheet are adhered to the lower surface of the second prism sheet, and ribs of the second prism sheet are adhered to the lower surface of the protective sheet. A method of manufacturing the composite sheet for a backlight unit is also provided.
    Type: Application
    Filed: September 13, 2012
    Publication date: April 18, 2013
    Applicant: GLOTEC CO., LTD.
    Inventors: Gi Suk SUNG, Kyu Dong KIM, Hyun Suk LEE
  • OPTICAL FILM AND MANUFACTURING METHOD THEREOF, LIQUID CRISTAL DISPLAY APPARATUS USING THE OPTICAL FILM
    Publication number: 20130010234
    Abstract: An optical sheet having a single sheet structure for an edge-lighting backlight unit using a printless light guide plate, a method of manufacturing the same, and a liquid crystal display apparatus using the same are provided. The optical sheet having a single sheet structure includes a first prism sheet having a prism pattern formed on the upper surface thereof, and a second prism sheet having a prism pattern formed on the upper surface thereof. Further, prism ridges of the first prism sheet are attached to the bottom surface of the second prism sheet by means of an adhesive so that the prism pattern of the first prism sheet and the prism pattern of the second prism sheet are directed in the same direction.
    Type: Application
    Filed: June 18, 2012
    Publication date: January 10, 2013
    Applicant: GLOTEC CO., LTD.
    Inventors: Gi Suk SUNG, Chang Kun KIM