Patents by Inventor Daekeun Yoon

Daekeun Yoon 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).

  • Publication number: 20090073682
    Abstract: The invention disclosed a light source, comprising a light tube and a plurality of prism members disposed on an outer surface of the light tube for reducing amount of external lights entering the light tube. According to the invention, the prism members disposed on the outer surface of the light tube can not only focus the light emitting from the light tube, but also increase the possibility of total reflection of the incident light.
    Type: Application
    Filed: May 29, 2008
    Publication date: March 19, 2009
    Inventors: Daekeun YOON, Chulyoun KIM, Haijun LIU
  • Publication number: 20090067195
    Abstract: Disclosed is a backlight reflection plate and a backlight module using the reflection plate. The reflection plate encloses a light source. The reflection plate comprises a reflection substrate with a surface facing the light source. The reflection plate comprises a first region close to one end of the light source with a higher brightness and a second region close to the other end of the light source with a lower brightness. The reflectivity of the first region is smaller than that of the second region.
    Type: Application
    Filed: May 22, 2008
    Publication date: March 12, 2009
    Inventors: Daekeun YOON, Sangjig LEE, Chulyoun KIM