Patents by Inventor Ji-Eun CHANG

Ji-Eun CHANG 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 AND MANUFACTURING METHOD THEREOF
    Publication number: 20130298976
    Abstract: According to example embodiments, a solar cell includes a photovoltaic layer, a plurality of front electrodes, a rear electrode, and a transparent subsidiary electrode. The plurality of front electrodes and the rear electrode are disposed respectively on front and rear surfaces of the photovoltaic layer. The subsidiary electrode is disposed on front surfaces of the photovoltaic layer and the front electrodes. The subsidiary electrode may be graphene.
    Type: Application
    Filed: October 11, 2012
    Publication date: November 14, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-Eun CHANG, Myoung-Gyun SUH, Jin-Seong HEO
  • SOLAR CONCENTRATOR
    Publication number: 20110271954
    Abstract: A solar concentrator comprises an incidence surface, a first reflective curved surface corresponding to the incidence surface, a second reflective curved surface disposed in a center part of the incidence surface, and a concentrating part disposed in a center part of the first reflective curved surface and corresponding to the second reflective curved surface, wherein the incidence surface, the first reflective curved surface, the second reflective curved surface, and the concentrator include a substantially same material from each other.
    Type: Application
    Filed: November 23, 2010
    Publication date: November 10, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Myoung-Gyun SUH, Dong-Ho KIM, Ji-Eun CHANG