Patents by Inventor Koilpitchai R. Justin Thomas

Koilpitchai R. Justin Thomas 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).

  • Organic dye used in dye-sensitized solar cell
    Patent number: 7985864
    Abstract: An organic dye used in a dye-sensitized solar cell is described, having general formula (1): D-Sp1-Ch-Sp2-Acc-Y??(1) wherein the groups D, Ch, Acc and Y are conjugate with each other, the group D is a donor group, the group Ch is a chromophore rendering low HOMO-LUMO gap or a polyaromatic chromophore, the group Acc is an acceptor group, the group Y is an anchoring group, and each of Sp1 and Sp2 represents a single bond or a spacer group allowing conjugation between the groups D and Ch or between the groups Ch and Acc.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: July 26, 2011
    Assignee: CTCI Foundation
    Inventors: Marappan Velusamy, Koilpitchai R. Justin Thomas, Jiann T'suen Lin, Kuo-Chuan Ho, Ying-Chan Hsu
  • ORGANIC DYE USED IN DYE-SENSITIZED SOLAR CELL
    Publication number: 20110077408
    Abstract: An organic dye used in a dye-sensitized solar cell is described, having general formula (1): D-Sp1-Ch-Sp2-Acc-Y??(1) wherein the groups D, Ch, Acc and Y are conjugate with each other, the group D is a donor group, the group Ch is a chromophore rendering low HOMO-LUMO gap or a polyaromatic chromophore, the group Acc is an acceptor group, the group Y is an anchoring group, and each of Sp1 and Sp2 represents a single bond or a spacer group allowing conjugation between the groups D and Ch or between the groups Ch and Acc.
    Type: Application
    Filed: December 2, 2010
    Publication date: March 31, 2011
    Applicant: CTCI FOUNDATION
    Inventors: Marappan Velusamy, Koilpitchai R. Justin Thomas, Jiann T'suen Lin, Kuo-Chuan Ho, Ying-Chan Hsu
  • Organic dye used in dye-sensitized solar cell
    Patent number: 7868189
    Abstract: An organic dye used in a dye-sensitized solar cell is described, having general formula (1): D-Sp1-Ch-Sp2-Acc-Y??(1) wherein the groups D, Ch, Acc and Y are conjugate with each other, the group D is a donor group, the group Ch is a chromophore rendering low HOMO-LUMO gap or a polyaromatic chromophore, the group Acc is an acceptor group, the group Y is an anchoring group, and each of Sp1 and Sp2 represents a single bond or a spacer group allowing conjugation between the groups D and Ch or between the groups Ch and Acc.
    Type: Grant
    Filed: September 24, 2008
    Date of Patent: January 11, 2011
    Assignee: CTCI Foundation
    Inventors: Koilpitchai R. Justin Thomas, Jiann T'suen Lin, Kuo-Chuan Ho, Ying-Chan Hsu
  • ORGANIC DYE USED IN DYE-SENSITIZED SOLAR CELL
    Publication number: 20090043103
    Abstract: An organic dye used in a dye-sensitized solar cell is described, having general formula (1): D-Sp1-Ch-Sp2-Acc-Y ??(1) wherein the groups D, Ch, Acc and Y are conjugate with each other, the group D is a donor group, the group Ch is a chromophore rendering low HOMO-LUMO gap or a polyaromatic chromophore, the group Acc is an acceptor group, the group Y is an anchoring group, and each of Sp1 and Sp2 represents a single bond or a spacer group allowing conjugation between the groups D and Ch or between the groups Ch and Acc.
    Type: Application
    Filed: September 24, 2008
    Publication date: February 12, 2009
    Applicant: CTCI FOUNDATION
    Inventors: MARAPPAN VELUSAMY, Koilpitchai R. Justin Thomas, Jiann T'suen Lin, Kuo-Chuan Ho, Ying-Chan Hsu
  • Organic dye used in dye-sensitized solar cell
    Patent number: 7446207
    Abstract: An organic dye used in a dye-sensitized solar cell is described, having general formula (1): D-Sp1-Ch-Sp2-Acc-Y??(1) wherein the groups D, Ch, Acc and Y are conjugate with each other, the group D is a donor group, the group Ch is a chromophore rendering low HOMO-LUMO gap or a polyaromatic chromophore, the group Acc is an acceptor group, the group Y is an anchoring group, and each of Sp1 and Sp2 represents a single bond or a spacer group allowing conjugation between the groups D and Ch or between the groups Ch and Acc.
    Type: Grant
    Filed: September 27, 2005
    Date of Patent: November 4, 2008
    Assignee: CTCI Foundation
    Inventors: Marappan Velusamy, Koilpitchai R. Justin Thomas, Jiann T'suen Lin, Kuo-Chuan Ho, Ying-Chan Hsu