Patent · US Active

Red emitting luminescent material

US11441070B2 · kind B2 · utility

0Cited by

1References

16Claims

0Family size

Assignee

OSRAM Opto Semiconductors GmbH · DE

Inventors

Markus Seibald · Kaufering, DE
Tim Fiedler · Birkenfeld, DE

Key dates

Filing date	Feb 26, 2021
Grant date	Sep 13, 2022
Priority date	—
Expiry date	Feb 26, 2041

Classification

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

Abstract

A red-emitting phosphor comprising an Eu2+ doped nitridoaluminate phosphor is provided. The red emitting phosphor comprises an emission maximum in the range of 610 to 640 nm of the electromagnetic spectrum.

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