Patents by Inventor Joon-Hoon Lee

Joon-Hoon 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 FILM HAVING EXCELLANT UV BLOCKING EFFECT AND POLARIZING PLATE COMPRISING THE SAME
    Publication number: 20150022878
    Abstract: An optical film and a polarizing plate including the same are provided. The optical film includes an acrylic resin having a glass transition temperature of 120° C. or higher and including an alkyl (meth)acrylate-based repeating unit and a styrene-based repeating unit, and a UV absorbent having a 1% thermal decomposition temperature greater than or equal to a temperature 2.5 times that of the glass transition temperature of the acrylic resin.
    Type: Application
    Filed: February 21, 2014
    Publication date: January 22, 2015
    Inventors: Suk-Il Youn, Sang-Min Kwak, Jun-Geun Um, Sei-Jung Park, Nam-Jeong Lee, Joon-Hoon Lee