Patents by Inventor Dong Ryoul Kim

Dong Ryoul Kim 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).

  • Patent number: 7736046
    Abstract: Provided are embodiments of an optical sheet and a backlight assembly having the optical sheet. The optical sheet can include a body, a plurality of protrusions, and a plurality of embossed portions. The body can form a substrate. One surface of the body can be provided in a planar shape, and the other surface of the body can include the plurality of protrusions, where the protrusions have a triangular shaped cross-section. Each of the protrusions can be configured with the plurality of embossed, which may be formed by a microlens pattern.
    Type: Grant
    Filed: April 12, 2007
    Date of Patent: June 15, 2010
    Assignee: Miraenanotech Co., Ltd.
    Inventors: Cheul Young Kim, Sang Mook Kim, Jong Wook Huh, Dong Ryoul Kim, Ju Won Lee, Min Soo Kim, Hyun Sil Shin, Yong Jae Kim
  • Patent number: 7645057
    Abstract: An optical sheet includes a substrate onto which light is incident, and a convex part protruded from the substrate by a predetermined thickness. A thickness of the convex part increases from an edge to a center thereof.
    Type: Grant
    Filed: January 18, 2008
    Date of Patent: January 12, 2010
    Assignee: Miraenanotech Co., Ltd.
    Inventors: Cheul Yong Kim, Sang Mook Kim, Jong Wook Huh, Dong Ryoul Kim, Ki Won Jeon, Ju Won Lee, Eun Jung Ham, Myung Su Lee
  • Publication number: 20080180598
    Abstract: An optical sheet includes a substrate onto which light is incident, and a convex part protruded from the substrate by a predetermined thickness. A thickness of the convex part increases from an edge to a center thereof.
    Type: Application
    Filed: January 18, 2008
    Publication date: July 31, 2008
    Inventors: CHEUL YONG KIM, Sang Mook Kim, Jong Wook Huh, Dong Ryoul Kim, Ki Won Jeon, Ju Won Lee, Eun Jung Ham, Myung Su Lee
  • Patent number: 7344282
    Abstract: An optical sheet includes a substrate onto which light is incident, and a convex part protruded from the substrate by a predetermined thickness. A thickness of the convex part increases from an edge to a center thereof.
    Type: Grant
    Filed: December 27, 2005
    Date of Patent: March 18, 2008
    Assignee: Miraenanotech Co., Ltd.
    Inventors: Cheul Yong Kim, Sang Mook Kim, Jong Wook Huh, Dong Ryoul Kim, Ki Won Jeon, Ju Won Lee, Eun Jung Ham, Myung Su Lee
  • Publication number: 20070258268
    Abstract: Provided are embodiments of an optical sheet and backlight assemblies incorporating the optical sheet. The optical sheet can include a body and a plurality of protrusions. The protrusions are arranged on a surface of the body. A furrow pattern in which furrows are arranged is formed on the protrusion for scattering light.
    Type: Application
    Filed: April 13, 2007
    Publication date: November 8, 2007
    Inventors: Cheul Young Kim, Sang Mook Kim, Jong Wook Huh, Dong Ryoul Kim, Ju Won Lee