Patents by Inventor Join-in Shim

Join-in Shim 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).

  • Semiconductor laser device having scattering portion and method of fabricating the device
    Publication number: 20080123696
    Abstract: Provided is a semiconductor laser device comprising a substrate, a light emitting structure including a first clad layer, an active layer, and a second clad layer sequentially stacked on the substrate, and a scattering portion formed on the bottom surface of the substrate in order to scatter light. As such, the semiconductor laser device may emit higher quality laser light.
    Type: Application
    Filed: September 13, 2007
    Publication date: May 29, 2008
    Inventors: Han-youl Ryu, Join-in Shim, Youn-joon Sung