Patent · US Active

Illumination devices

US9236535B2 · kind B2 · utility

4Cited by

0References

19Claims

0Family size

Assignee

BASF SE

Inventors

Gerhard Wagenblast · Wachenheim, DE
Martin Koenemann · Ludwigshafen, DE
Gerardus De Keyzer · Riehen, CH
Sorin Ivanovici · Ludwigshafen, DE
Michel Pepers · Velden, NL
Matthias Mueller · Harsefeld, DE
Robert Send · Karlsruhe, DE

Key dates

Filing date	Feb 23, 2012
Grant date	Jan 12, 2016
Priority date	—
Expiry date	May 30, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K2211/1029
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Illumination device comprising at least one LED and at least one color converter comprising at least one organic fluorescent colorant in a matrix consisting essentially of polystyrene or polycarbonate, wherein LED and color converter are present in a remote phosphor arrangement.

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