Patents by Inventor Jae-hyung WI

Jae-hyung WI 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).

  • SOLAR CELL
    Publication number: 20170243999
    Abstract: A solar cell according to embodiments of the inventive concept includes a back electrode on a substrate, a first light absorbing layer including gallium (Ga) and indium (In) on the back electrode, a first buffer layer on the first light absorbing layer, a first window layer on the first buffer layer, a second light absorbing layer including Ga on the first window layer, a second buffer layer on the second light absorbing layer, and a second window layer on the second buffer layer, wherein a composition ratio of (Ga)/(Ga+In) of the first light absorbing layer is lower than that of the second light absorbing layer.
    Type: Application
    Filed: February 16, 2017
    Publication date: August 24, 2017
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jae-hyung WI, Yong-Duck CHUNG, Woo Jung LEE, Daehyung CHO, Won Seok HAN