Patent · US Active

Fluorescent lamp including phosphor composition with special BAMn phosphor, (Ba,Sr,Ca)(Mg1-x Mnx)Al10O17:Eu2+

US8987984B2 · kind B2 · utility

0Cited by

12References

13Claims

0Family size

Assignee

General Electric Company · US

Inventors

William Erwin Cohen · Solon, US
Fangming Du · Northfield, US
William Winder Beers · Chesterland, US
Jon Bennett Jansma · Pepper Pike, US

Key dates

Filing date	Oct 19, 2012
Grant date	Mar 24, 2015
Priority date	—
Expiry date	Dec 30, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH01J61/44
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A fluorescent lamp includes a phosphor composition comprising: Y2O3:Eu3+ (YEO); at least one of LaPO4:Ce3+, Tb3+ (LAP), MgAl11O19:Ce3+, Tb3+ (CAT) or GdMgB5O10:Ce3+, Tb3+ (CBT); a special BAMn phosphor, (Ba,Sr,Ca)(Mg1-xMnx)Al10O17:Eu2+, with a specific amount of Mn (x) as disclosed herein, and optionally halophosphor, with the proviso that there is no BaMgAl10O17:Eu2+ (BAM).

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