Patents by Inventor Hee Bum Kang

Hee Bum 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).

  • Patent number: 8223431
    Abstract: Provided is a reflective screen. The reflective screen can be widely and commercially used, easily manufactured at low costs, and realize a sufficient reflection image. The reflective screen includes a substrate, a light diffusion layer in front of the substrate, a light reflecting material reflecting projection light, a light absorbing material absorbing external light, and a light absorption reflection layer containing at least the light reflecting material and the light absorbing material together. The light absorption reflection layer being disposed in the rear of the substrate.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: July 17, 2012
    Assignee: LG Electronics Inc.
    Inventor: Hee Bum Kang
  • Publication number: 20100103515
    Abstract: Provided is a reflective screen. The reflective screen can be widely and commercially used, easily manufactured at low costs, and realize a sufficient reflection image. The reflective screen includes a substrate, a light diffusion layer in front of the substrate, a light reflecting material reflecting projection light, a light absorbing material absorbing external light, and a light absorption reflection layer containing at least the light reflecting material and the light absorbing material together. The light absorption reflection layer being disposed in the rear of the substrate.
    Type: Application
    Filed: March 27, 2008
    Publication date: April 29, 2010
    Inventor: Hee Bum Kang