Patents by Inventor Boem Deok Lee

Boem Deok Lee 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 LAMINATE AND OPTICAL DISPLAY APPARATUS COMPRISING THE SAME
    Publication number: 20230053212
    Abstract: Disclosed are an optical laminate and an optical display apparatus including the same. The optical laminate includes: a polarizer; and a retardation layer stacked on a light incidence surface of the polarizer, wherein the retardation layer includes a positive C layer, the positive C layer having an in-plane retardation of 0 nm to 30 nm and an out-of-plane retardation of ?50 nm to ?15 nm at a wavelength of 550 nm, and the in-plane retardation of the positive C layer at a wavelength of 550 nm and an absolute value of a tilted angle of a slow axis of the positive C layer with respect to a light absorption axis of the polarizer satisfy Relation 1.
    Type: Application
    Filed: July 25, 2022
    Publication date: February 16, 2023
    Inventors: Seung Mi SHIN, Wan Taek HONG, Seong Hoon LEE, Seon Gyeong JEONG, Boem Deok LEE, Bong Choon KIM
  • Optical film, liquid crystal display device including same, and manufacturing method therefor
    Patent number: 10591655
    Abstract: The present invention relates to an optical film including a polarizing film, and a manufacturing method therefor. The optical film of the present invention can include the polarizing film having an orthogonal transmittance of less than 0.5% in a wavelength of a range of 405-735 nm.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: March 17, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: A Ra Jo, Bae Wook Lee, Lee Hwa Song, Ki Ho Park, Boem Deok Lee
  • OPTICAL FILM, LIQUID CRYSTAL DISPLAY DEVICE INCLUDING SAME, AND MANUFACTURING METHOD THEREFOR
    Publication number: 20170371082
    Abstract: The present invention relates to an optical film including a polarizing film, and a manufacturing method therefor. The optical film of the present invention can include the polarizing film having an orthogonal transmittance of less than 0.5% in a wavelength of a range of 405-735 nm.
    Type: Application
    Filed: May 13, 2015
    Publication date: December 28, 2017
    Inventors: A Ra Jo, Bae Wook Lee, Lee Hwa Song, Ki Ho Park, Boem Deok Lee