Patents by Inventor Yu-kyung Ham

Yu-kyung Ham 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 shutter and image capturing apparatus
    Patent number: 9261719
    Abstract: A liquid crystal shutter includes: a first plate including a first transparent electrode layer, a second plate disposed parallel to the first plate and including a second transparent electrode layer, a liquid crystal layer disposed between the first plate and the second plate and is configured to transmit or block light according to a first potential difference between the first transparent electrode layer and the second transparent electrode layer, and a heating electrode configured to generate a second potential difference for generating heat in the first transparent electrode layer.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: February 16, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-kyu Shim, Bon-min Koo, Yu-kyung Ham, Kun-woo Lee, Woo-jong Cho
  • LIQUID CRYSTAL SHUTTER AND IMAGE CAPTURING APPARATUS
    Publication number: 20140104517
    Abstract: A liquid crystal shutter includes: a first plate including a first transparent electrode layer, a second plate disposed parallel to the first plate and including a second transparent electrode layer, a liquid crystal layer disposed between the first plate and the second plate and is configured to transmit or block light according to a first potential difference between the first transparent electrode layer and the second transparent electrode layer, and a heating electrode configured to generate a second potential difference for generating heat in the first transparent electrode layer.
    Type: Application
    Filed: July 8, 2013
    Publication date: April 17, 2014
    Inventors: Jae-kyu Shim, Bon-min Koo, Yu-kyung Ham, Kun-woo Lee, Woo-jong Cho