Phosphor

US10752836B2 · kind B2 · utility

Assignee

• Osram OLED GMBH · DE

Inventors

• Markus Seibald · Kaufering, DE
• Tim Fiedler · Birkenfeld, DE
• Dominik Baumann · Munich, DE
• Hubert Huppertz · Innsbruck, AT
• Klaus Wurst · Zirl, AT
• Gunter Heymann · Innsbruck, AT
• Dominik Wilhelm · Innsbruck, AT

Key dates

• Filing date: May 6, 2016
• Grant date: Aug 25, 2020
• Expiry date: Apr 1, 2037

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B2235/761
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

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.