Patent · US Active

Illumination device

US7880188B2 · kind B2 · utility

11Cited by

3References

34Claims

0Family size

Assignee

OSRAM Opto Semiconductors GmbH · DE

Inventors

Simon Blümel · Schierling, DE
Franz Schellhorn · Regensburg, DE
Gunter Waitl · Regensburg, DE
Mario Wanninger · Regensburg, DE

Key dates

Filing date	Feb 21, 2006
Grant date	Feb 1, 2011
Priority date	—
Expiry date	Oct 15, 2026

Classification

Technology area (CPC H)Electricity
CPC primaryH10H20/853
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An illumination device is specified which comprises an optoelectronic component having a housing body and at least one semiconductor chip provided for generating radiation, and a separate optical element, which is provided for fixing at the optoelectronic component and has an optical axis, the optical element having a radiation exit area and the radiation exit area having a concavely curved partial region and a convexly curved partial region, which at least partly surrounds the concavely curved partial region at a distance from the optical axis, the optical axis running through the concavely carved partial region

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