Patent · US Active

Supertetrahedron phosphor for solid-state lighting

US10611961B2 · kind B2 · utility

0Cited by

0References

15Claims

0Family size

Assignee

LUMILEDS LLC · US

Inventors

Volker Weiler · Aachen, DE
Peter Josef Schmidt · Aachen, DE
Philipp Pust · Eindhoven, NL
Wolfgang Schnick · Gauting, DE

Key dates

Filing date	Mar 10, 2015
Grant date	Apr 7, 2020
Priority date	—
Expiry date	Mar 22, 2037

Classification

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

Abstract

The invention provides a lighting unit (100) comprising a light source (10), configured to generate light source light (11) and a luminescent material (20), configured to convert at least part of the light source light (11) into luminescent material light (51), wherein the luminescent material (20) comprises a phosphor (40), wherein this phosphor comprises an alkaline earth aluminum nitride based material having a cubic crystal structure with T5 supertetrahedra, wherein the T5 supertetrahedra comprise at least Al and N, and wherein the alkaline earth aluminum nitride based material further comprises a luminescent lanthanide incorporated therein.

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