Patent · US Active

Illumination device

US7878681B2 · kind B2 · utility

4Cited by

12References

16Claims

0Family size

Assignee

OSRAM Opto Semiconductors GmbH · DE

Inventors

Simon Blümel · Schierling, DE
Hubert Ott · Bad Abbach, DE
Ludwig Plötz · Arnschwang, DE
Mario Wanninger · Regensburg, DE
Günter Kirchberger · Sinzing, DE
Peter Wolff · Donaustauf, DE
Markus Zeiler · Nittendorf, DE

Key dates

Filing date	Jan 19, 2006
Grant date	Feb 1, 2011
Priority date	—
Expiry date	Mar 4, 2027

Classification

Technology area (CPC G)Physics
CPC primaryG02F1/133613
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Disclosed is an illumination device comprising a radiation-emitting front side and a multiplicity of light sources (R, G, B), wherein said multiplicity of light sources (R, G, B) is divided into light source groups (LG) and the light source groups (LG) are arranged on the grid points of a first regular grid.

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