Lighting device

US12269979B2 · kind B2 · utility

Assignee

• Osram OLED GMBH · DE

Inventors

• Markus Seibald · Kaufering, DE
• Simon Peschke · Aßling, DE
• Gregor Hoerder · Innsbruck, AT
• Gina Maya Achrainer · Greifenberg, DE
• Klaus Wurst · Zirl, AT
• Dominik Baumann · Munich, DE
• Tim Fiedler · Birkenfeld, DE
• Stefan Lange · Shepperton, GB
• Hubert Huppertz · Innsbruck, AT
• Daniel Dutzler · Innsbruck, AT
• Thorsten Schroeder
• Daniel Bichler · Augsburg, DE
• Gudrun Plundrich · Biessenhofen, DE

Key dates

• Filing date: Nov 6, 2023
• Grant date: Apr 8, 2025
• Expiry date: Nov 6, 2043

Classification

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

Abstract

A lighting device includes a phosphor having the general molecular formula (MA)a(MB)b(MC)c(MD)d(TA)e(TB)f(TC)g(TD)h(TE)i(TF)j(XA)k(XB)l(XC)m(X D)n:E. MA is selected from a group of monovalent metals, MB is selected from a group of divalent metals, MC is selected from a group of trivalent metals, MD is selected from a group of tetravalent metals, TA is selected from a group of monovalent metals, TB is selected from a group of divalent metals, TC is selected from a group of trivalent metals, TD is selected from a group of tetravalent metals, TE is selected from a group of pentavalent elements, TF is selected from a group of hexavalent elements, XA is selected from a group of elements which comprises halogens, XB is selected from a group of elements which comprises O, S and combinations thereof, XC=N and XD=C and E=Eu, Ce, Yb and/or Mn.