Patents by Inventor Byunghwa Ji

Byunghwa Ji 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).

  • Backlight module
    Patent number: 7967461
    Abstract: A backlight module is disclosed. The backlight module includes a light source producing light, a reflective plate that is positioned under the light source to reflect the light, and a prism plate including an incident surface and an emitting surface. The prism plate is positioned on the light source so that direct light from the light source and reflective light from the reflective plate are directly incident on the prism plate through the incident surface. A light scattering unit scattering the direct light and the reflective light is positioned on the incident surface of the prism plate, and a prism pattern changing a traveling path of light incident through the incident surface is positioned on the emitting surface of the prism plate.
    Type: Grant
    Filed: October 14, 2008
    Date of Patent: June 28, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Juyoung Bang, Byunghwa Ji
  • Backlight module
    Publication number: 20100232136
    Abstract: A backlight module is disclosed. The backlight module includes a light source producing light, a reflective plate that is positioned under the light source to reflect the light, and a prism plate including an incident surface and an emitting surface. The prism plate is positioned on the light source so that direct light from the light source and reflective light from the reflective plate are directly incident on the prism plate through the incident surface. A light scattering unit scattering the direct light and the reflective light is positioned on the incident surface of the prism plate, and a prism pattern changing a traveling path of light incident through the incident surface is positioned on the emitting surface of the prism plate.
    Type: Application
    Filed: October 14, 2008
    Publication date: September 16, 2010
    Applicant: LG.DISPLAY CO., LTD.
    Inventors: Juyoung Bang, Byunghwa Ji