US Patent Issued to ams-OSRAM International on May 12 for "Red luminescent material and conversion LED" (German, Austrian Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,280, issued on May 12, was assigned to ams-OSRAM International GmbH (Regensburg, Germany).

"Red luminescent material and conversion LED" was invented by Markus Seibald (Kaufering, Germany), Dominik Baumann (Munich), Christiane Stoll (Schwabmuenchen, Germany), Hubert Huppertz (Innsbruck, Austria) and Gunter Heymann (Hall in Tirol, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "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; 0less than equal toygreater than1; andA' are sel...