Patents by Inventor Byeongheui Han

Byeongheui Han 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).

  • APPARATUS FOR MANUFACTURING LIGHT CONTROL FILM AND LIGHT CONTROL FILM MANUFACTURED BY SAME
    Publication number: 20230047995
    Abstract: An apparatus for manufacturing a light control film and a light control film manufactured by the same are provided. The apparatus comprises a film supply device supplying a base film, and a pattern formation mold applying pressure onto one side of the base film to form a pattern thereon, wherein the pattern formation mold comprises a main body and a pattern formation structure protruding from an outer surface of the main body and extending in a first direction, wherein a cross-section perpendicular to the first direction of the pattern formation structure comprises a pair of first intersecting lines, one ends of which are connected to the main body, and having a first intersecting angle; and a pair of second intersecting lines extending from the other ends of the pair of first intersecting lines respectively, and having a second intersecting angle smaller than the first intersecting angle.
    Type: Application
    Filed: January 14, 2020
    Publication date: February 16, 2023
    Inventors: Kangyoon Kim, Byeongheui Han, Bongtaek Hong, Woohyuck Chang, Dohyung Kwon, Solmon Park, Hosik Ryu, Seungsoo Shin, Kyuseok Han
  • Optical sheet and liquid crystal display using the same
    Patent number: 7719636
    Abstract: An embodiment of this document relates to an optical sheet and a liquid crystal display using the same. An optical sheet in accordance with an aspect of this document may comprise a base film, and a plurality of projections including at least one of lenticular lens or micro lens, positioned on one surface of the base film. The projection may comprise a first resin and a plurality of first beads, and about 1 to 10 parts by weight of the first bead based on 100 parts by weight of the first resin.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: May 18, 2010
    Assignee: LG Electronics Inc.
    Inventors: Changjong Kim, Kabjin Hwang, Seoungho Lee, Cheol Yoon, Seungwook Kown, Yongsu Kim, Byeongheui Han
  • OPTICAL FILM, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY
    Publication number: 20100110331
    Abstract: An optical film, a backlight unit including the optical film, and a liquid crystal display including the backlight unit are provided. The optical film includes a base and a projection including a plurality of microlenses and a plurality of grooves positioned around the plurality of microlenses.
    Type: Application
    Filed: June 11, 2009
    Publication date: May 6, 2010
    Inventors: Byeongheui Han, Seoungho Lee, Kieon Eom
  • OPTICAL SHEET AND LIQUID CRYSTAL DISPLAY USING THE SAME
    Publication number: 20080225207
    Abstract: An embodiment of this document relates to an optical sheet and a liquid crystal display using the same. An optical sheet in accordance with an aspect of this document may comprise a base film, and a plurality of projections including at least one of lenticular lens or micro lens, positioned on one surface of the base film. The projection may comprise a first resin and a plurality of first beads, and about 1 to 10 parts by weight of the first bead based on 100 parts by weight of the first resin.
    Type: Application
    Filed: March 14, 2008
    Publication date: September 18, 2008
    Applicant: LG Electronics Inc.
    Inventors: Changjong Kim, Kabjin Hwang, Seoungho Lee, Cheol Yoon, Seungwook Kown, Yongsu Kim, Byeongheui Han