Patents by Inventor Hyoung-Gu Kang

Hyoung-Gu Kang 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).

  • LIQUID CRYSTAL FILM
    Publication number: 20120013834
    Abstract: Provided are a liquid crystal film, a method of manufacturing a liquid crystal film, a method of controlling an average tilt angle of the liquid crystal film, a polarizing plate, and a liquid crystal display device. A liquid crystal film that has excellent properties including durability and an optical property and is capable of being effectively used for various uses may be provided. In addition, the physical properties of the liquid crystal film may be easily controlled according to a desired use.
    Type: Application
    Filed: July 18, 2011
    Publication date: January 19, 2012
    Applicant: LG CHEM, LTD.
    Inventors: Su Young RYU, Byoung Kun Jeon, Moon Soo Park, Sin Young Kim, Hyuk Yoon, Hyoung Gu Kang, Sang Jun Yoon
  • Optical film, preparation method of the same, and liquid crystal display comprising the same
    Patent number: 8089585
    Abstract: The present invention relates to an optical film, a method for manufacturing the same, and a liquid crystal display device including the same. In detail, the optical film according to the present invention includes an acryl-based substrate, a liquid crystal alignment film, and a liquid crystal film, the liquid crystal alignment film can maintain strong adhesion strength between the acryl-based substrate and the liquid crystal alignment film and between the liquid crystal alignment film and the liquid crystal film by further introducing a monomer having a functional group capable of performing crosslinking reaction to the photoreactive polymer.
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: January 3, 2012
    Assignee: LG Chem, Ltd.
    Inventors: Su-Young Ryu, Byoung-Kun Jeon, Moon-Soo Park, Sin-Young Kim, Hyuk Yoon, Hyoung-Gu Kang, Sang-Jun Yoon
  • Optical film, preparation method of the same, and liquid crystal display comprising the same
    Publication number: 20100182547
    Abstract: The present invention relates to an optical film, a method for manufacturing the same, and a liquid crystal display device including the same. In detail, the optical film according to the present invention includes an acryl-based substrate, a liquid crystal alignment film, and a liquid crystal film, the liquid crystal alignment film can maintain strong adhesion strength between the acryl-based substrate and the liquid crystal alignment film and between the liquid crystal alignment film and the liquid crystal film by further introducing a monomer having a functional group capable of performing crosslinking reaction to the photoreactive polymer.
    Type: Application
    Filed: January 14, 2010
    Publication date: July 22, 2010
    Inventors: Su-Young Ryu, Byoung-Kun Jeon, Moon-Soo Park, Sin-Young Kim, Hyuk Yoon, Hyoung-Gu Kang, Sang-Jun Yoon