Patent · US Active

LED illumination device having wavelength converting element

US9587799B2 · kind B2 · utility

0Cited by

9References

11Claims

0Family size

Assignee

OSRAM GmbH · DE

Inventor

Dirk Berben · Herdecke, DE

Key dates

Filing date	Aug 23, 2012
Grant date	Mar 7, 2017
Priority date	—
Expiry date	Apr 28, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH05B33/14
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An LED illumination device includes a wavelength converting element having a matrix material, at least one phosphor, and a thermochromic dye component or a phase change medium component.

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