Patent · US Active

Lighting device

US10711192B2 · kind B2 · utility

9Cited by
2References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 28, 2018
Grant dateJul 14, 2020
Priority date
Expiry dateNov 28, 2038

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10H20/8512
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A lighting device is specified. The lighting device comprises 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(XD)n:E. In this case, 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. The following furthermore hold true:

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.