Patents by Inventor Jaejung Ko

Jaejung Ko 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).

  • HOLE TRANSPORTING AND LIGHT ABSORBING MATERIAL FOR SOLID STATE SOLAR CELLS
    Publication number: 20160329162
    Abstract: The present invention relates to a compound of formula (I) based on quinozilino acridine and used as hole transporting and light absorbing material in a photovoltaic device, in particular in a solid state solar cell.
    Type: Application
    Filed: January 13, 2015
    Publication date: November 10, 2016
    Inventors: Peng Qin, Mohammad Khaja Nazeeruddin, Michael Graetzel, Jaejung Ko, Sanghyun Paek, Nara Cho
  • Benzoindole-based compound and dye-sensitized solar cell using the same
    Patent number: 8338696
    Abstract: A benzoindole-based compound represented by Formula 1 below, a dye including the benzoindole-based compound, and a dye-sensitized solar cell including the dye: is prepared at a low cost, has a high molar absorption coefficient, and high photoelectron conversion efficiency, as compared to a conventional ruthenium dye. The benzoindole-based dye is an organic dye including an N-aryl electron donor and an acidic functional group an electron acceptor.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: December 25, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Byong-cheol Shin, Ji-won Lee, Moon-sung Kang, Jaejung Ko, Duckhyun Kim
  • BENZOINDOLE-BASED COMPOUND AND DYE-SENSITIZED SOLAR CELL USING THE SAME
    Publication number: 20110088775
    Abstract: A benzoindole-based compound represented by Formula 1 below, a dye including the benzoindole-based compound, and a dye-sensitized solar cell including the dye: is prepared at a low cost, has a high molar absorption coefficient, and high photoelectron conversion efficiency, as compared to a conventional ruthenium dye. The benzoindole-based dye is an organic dye including an N-aryl electron donor and an acidic functional group an electron acceptor.
    Type: Application
    Filed: December 28, 2010
    Publication date: April 21, 2011
    Inventors: Byong-cheol Shin, Ji-won Lee, Moon-sung Kang, JaeJung Ko, Duckhyun Kim
  • Benzoindole-based compound and dye-sensitized solar cell using the same
    Patent number: 7884218
    Abstract: A benzoindole-based compound represented by Formula 1 below, a dye including the benzoindole-based compound, and a dye-sensitized solar cell including the dye: is prepared at a low cost, has a high molar absorption coefficient, and high photoelectron conversion efficiency, as compared to a conventional ruthenium dye. The benzoindole-based dye is an organic dye including an N-aryl electron donor and an acidic functional group an electron acceptor.
    Type: Grant
    Filed: July 17, 2008
    Date of Patent: February 8, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Byong-cheol Shin, Ji-won Lee, Moon-sung Kang, Jaejung Ko, Duckhyun Kim
  • BENZOINDOLE-BASED COMPOUND AND DYE-SENSITIZED SOLAR CELL USING THE SAME
    Publication number: 20090173380
    Abstract: A benzoindole-based compound represented by Formula 1 below, a dye including the benzoindole-based compound, and a dye-sensitized solar cell including the dye: is prepared at a low cost, has a high molar absorption coefficient, and high photoelectron conversion efficiency, as compared to a conventional ruthenium dye. The benzoindole-based dye is an organic dye including an N-aryl electron donor and an acidic functional group an electron acceptor.
    Type: Application
    Filed: July 17, 2008
    Publication date: July 9, 2009
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Byong-cheol SHIN, Ji-won Lee, Moon-sung Kang, Jaejung Ko, Duckhyun Kim