Patents by Inventor Gunter Heymann

Gunter Heymann 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).

  • RED LUMINESCENT MATERIAL AND CONVERSION LED
    Publication number: 20230159822
    Abstract: A luminescent material may have an empirical formula A1-yA?yLiXF6:Mn4+, where: A=Na, K, Rb, Cs, or combinations thereof; A?=Na, K, Rb, Li, Cs, or combinations thereof; X=Si, Ti, Hf, Zr, Sn, Pb, Ge, or combinations thereof; 0?y<1; and A and A? are selected differently.
    Type: Application
    Filed: April 16, 2021
    Publication date: May 25, 2023
    Inventors: Markus SEIBALD, Dominik BAUMANN, Christiane STOLL, Hubert HUPPERTZ, Gunter HEYMANN
  • MANGANESE-DOPED RED LUMINESCENT MATERIAL AND CONVERSION LED
    Publication number: 20220220375
    Abstract: A luminophore having the empirical formula A3M*OxF9?2x:Mn4+ where A may be or include Li, Na, Rb, K, Cs, or combinations thereof. M* may be or include Cr, Mo, W, or combinations thereof. x may be or include 0<x<4.5.
    Type: Application
    Filed: May 11, 2020
    Publication date: July 14, 2022
    Inventors: Markus SEIBALD, Dominik BAUMANN, Christiane STOLL, Ion STOLL, Hubert HUPPERTZ, Gunter HEYMANN, Klaus WURST
  • Phosphor
    Patent number: 10752836
    Abstract: A phosphor is disclosed. In an embodiment the phosphor includes an inorganic compound having at least one activator E and N and/or O in its empirical formula, wherein E is selected from the group consisting of Mn, Cr, Ni, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Yb, Tm, Li, Na, K, Rb, Cs and combinations thereof, and wherein the inorganic compound crystallizes in a crystal structure with the same atomic sequence as in K2Zn6O7.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: August 25, 2020
    Assignee: OSRAM OLED GMBH
    Inventors: Markus Seibald, Tim Fiedler, Dominik Baumann, Hubert Huppertz, Klaus Wurst, Gunter Heymann, Dominik Wilhelm
  • Phosphor
    Publication number: 20180148644
    Abstract: A phosphor is disclosed. In an embodiment the phosphor includes an inorganic compound having at least one activator E and N and/or O in its empirical formula, wherein E is selected from the group consisting of Mn, Cr, Ni, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Yb, Tm, Li, Na, K, Rb, Cs and combinations thereof, and wherein the inorganic compound crystallizes in a crystal structure with the same atomic sequence as in K2Zn6O7.
    Type: Application
    Filed: May 6, 2016
    Publication date: May 31, 2018
    Inventors: Markus Seibald, Tim Fiedler, Dominik Baumann, Hubert Huppertz, Klaus Wurst, Gunter Heymann, Dominik Wilhelm