Phosphor, illumination device and use of an illumination device

US10519371B2 · kind B2 · utility

Assignee

• OSRAM Opto Semiconductors GmbH · DE

Inventors

• Markus Seibald · Kaufering, DE
• Dominik Baumann · Munich, DE
• Thorsten Schroeder
• Stefan Lange · Shepperton, GB
• Gregor Hoerder · Innsbruck, AT
• Gina Maya Achrainer · Greifenberg, DE
• Hubert Huppertz · Innsbruck, AT
• Simon Peschke · Aßling, DE
• Alexey Marchuk · Munich, DE
• Philipp Schmid · Germering, DE
• Franziska Hummel · Munich, DE
• Stephanie Dirksmeyer · Schwabmünchen, DE

Key dates

• Filing date: Nov 10, 2017
• Grant date: Dec 31, 2019
• Expiry date: Nov 10, 2037

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10H20/8512
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A luminescent material may include the formula (MB) (TA)3−2x(TC)1+2xO4−4xN4x:E where 0<x<0.875. —TA may be selected from a group of monovalent metals, such as Li, Na, Cu, Ag, and combinations thereof. —MB may be selected from a group of divalent metals including Mg, Ca, Sr, Ba, Zn, and combinations thereof. —TC may be selected from a group of trivalent metals including B, Al, Ga, In, Y, Fe, Cr, Sc, rare earth metals, and combinations thereof. —E may be selected from a group including Eu, Mn, Ce, Yb, and combinations thereof.