Patent · US Active

Lighting device having semiconductor light sources and a common diffusor

US9976706B2 · kind B2 · utility

2Cited by

8References

7Claims

0Family size

Assignee

OSRAM GmbH · DE

Inventors

Simon Schwalenberg · Regensburg, DE
Julius Muschaweck · Gauting, DE

Key dates

Filing date	May 27, 2013
Grant date	May 22, 2018
Priority date	—
Expiry date	Sep 17, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH05B45/22
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to a lighting device (11; 31; 41; 51) which is equipped with a plurality of semiconductor light sources (14, 15) of different colors, downstream of which a common diffusor (17) is arranged, wherein the lighting device (11; 31; 41; 51) has at least one light sensor (21) optically coupled to the diffusor (17).

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