Patent · US Active

UV radiation device

US9987499B2 · kind B2 · utility

9Cited by

2References

14Claims

0Family size

Assignee

PHILIPS LIGHTING HOLDING B.V. · NL

Inventors

Daiyu Hayashi · Bocholt, DE
Jianghong Yu · Beijing, CN
Georg Greuel · Roetgen, DE
Thomas Justel · Witten, DE
Cornelis Reinder Ronda · Aachen, DE

Key dates

Filing date	May 6, 2014
Grant date	Jun 5, 2018
Priority date	—
Expiry date	Oct 26, 2034

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2219/1203
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

The invention relates to an UV radiation device, comprising an LED comprising a nitridic material which is arranged to emit first UV radiation in a wavelength range of 200 nm-300 nm and a luminescent material doped with at least one of the following activators selected out of the group Eu2+, Ce3+, Pr3+, Nd3+, Gd3+, Tm3+, Sb3+, Tl+, Pb2+ and Bi3+, wherein the luminescent material is configured to convert at least a part of the primary UV radiation into secondary UV radiation, the primary UV radiation and the secondary UV radiation having a different spectral distribution.

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