Patents by Inventor Se-Hui Sohn

Se-Hui Sohn 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).

  • Patent number: 8029703
    Abstract: Disclosed is a new compound semiconductor represented by the chemical formula: Bi1-x-yLnxMyCuOTe where Ln belongs to the lanthanoid series and is any one or more elements selected from the group consisting of La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, M is any one or more elements selected from the group consisting of Ba, Sr, Ca, Mg, Cd, Hg, Sn, Pb, Mn, Ga, In, Tl, As and Sb, and 0<x<1, 0?y?1 and 0<x+y<1. The compound semiconductor can replace a conventional compound semiconductor or be used as a thermoelectric conversion device together with a conventional compound semiconductor.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: October 4, 2011
    Assignee: LG Chem, Ltd.
    Inventors: Cheol-Hee Park, Se-Hui Sohn, Won-Jong Kwon, Tae-Hoon Kim, Seung-Tae Hong
  • Publication number: 20110079751
    Abstract: Thermoelectric conversion materials, expressed by the following formula: Bi1-xMxCuwOa-yQ1yTeb-zQ2z. Here, M is at least one element selected from the group consisting of Ba, Sr, Ca, Mg, Cs, K, Na, Cd, Hg, Sn, Pb, Eu, Sm, Mn, Ga, In, Ti, As and Sb; Q1 and Q2 are at least one element selected from the group consisting of S, Se, As and Sb; x, y, z, w, a, and b are 0?x<1, 0<w?1, 0.2<a<4, 0?y<4, 0.2<b<4 and 0?z<4. These thermoelectric conversion materials may be used for thermoelectric conversion elements, where they may replace thermoelectric conversion materials in common use, or be used along with thermoelectric conversion materials in common use.
    Type: Application
    Filed: October 18, 2010
    Publication date: April 7, 2011
    Inventors: Cheol-Hee PARK, Se-Hui Sohn, Seung-Tae Hong, Won-Jong Kwon, Tae-Hoon Kim
  • Publication number: 20110079750
    Abstract: Disclosed is a new compound semiconductor represented by the chemical formula: Bi1-x-yLnxMyCuOTe where Ln belongs to the lanthanoid series and is any one or more elements selected from the group consisting of La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, M is any one or more elements selected from the group consisting of Ba, Sr, Ca, Mg, Cd, Hg, Sn, Pb, Mn, Ga, In, Tl, As and Sb, and 0<x<1, 0?y?1 and 0<x+y<1. The compound semiconductor can replace a conventional compound semiconductor or be used as a thermoelectric conversion device together with a conventional compound semiconductor.
    Type: Application
    Filed: October 12, 2010
    Publication date: April 7, 2011
    Inventors: Cheol-Hee Park, Se-Hui Sohn, Won-Jong Kwon, Tae-Hoon Kim, Seung-Tae Hong
  • Publication number: 20110017935
    Abstract: Disclosed is a new thermoelectric conversion material represented by the chemical formula 1: Bi1?xCu1?yO1?zTe, where 0?x<1, 0?y<1, 0?z<1 and x+y+z>0. A thermoelectric conversion device using said thermoelectric conversion material has good energy conversion efficiency.
    Type: Application
    Filed: October 7, 2010
    Publication date: January 27, 2011
    Inventors: Cheol-Hee Park, Se-Hui Sohn, Won-Jong Kwon, Seung-Tae Hong, Tae-Hoon Kim