Patents by Inventor Yeon Ju NA

Yeon Ju NA 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).

  • Polarizing plate and optical display device comprising same
    Patent number: 11573358
    Abstract: A polarizing plate and an optical display comprising the same are disclosed. The polarizing plate includes: a polarizer and a first protective layer stacked on one surface of the polarizer via a bonding layer, wherein the bonding layer is formed of a bonding layer composition including an epoxy compound and a photocationic initiator, and the polarizing plate has a chrominance variation ?E of 5.2 or less, as calculated by Equation 1.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: February 7, 2023
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sung Man Cho, Yeon Ju Na, Eun Sol Cho, Mun Bo Ko, Ki Yong Kim
  • POLARIZING PLATE AND OPTICAL DISPLAY DEVICE INCLUDING SAME
    Publication number: 20220195081
    Abstract: A polarizing plate and an optical display device comprising the same are disclosed. The polarizing plate includes a polarizer comprising a zinc cation and a unit represented by the Formula 1, and the polarizing plate has a chrominance variation ?E of about 5.
    Type: Application
    Filed: March 3, 2020
    Publication date: June 23, 2022
    Inventors: Sung Man CHO, Mun Bo KO, Ki Yong KIM, Yeon Ju NA, Eun Sol CHO
  • POLARIZING PLATE AND OPTICAL DISPLAY DEVICE COMPRISING SAME
    Publication number: 20200278484
    Abstract: A polarizing plate and an optical display comprising the same are disclosed. The polarizing plate includes: a polarizer and a first protective layer stacked on one surface of the polarizer via a bonding layer, wherein the bonding layer is formed of a bonding layer composition including an epoxy compound and a photocationic initiator, and the polarizing plate has a chrominance variation ?E of 5.2 or less, as calculated by Equation 1.
    Type: Application
    Filed: October 22, 2018
    Publication date: September 3, 2020
    Inventors: Sung Man CHO, Yeon Ju NA, Eun Sol CHO, Mun Bo KO, Ki Yong KIM