Patent · US Active

Lens and LED retrofit lamp

US9366416B2 · kind B2 · utility

0Cited by

1References

10Claims

0Family size

Assignee

OSRAM GmbH · DE

Inventors

Dirk Buchhauser · Tangxia, CN
Qihui Zhang · Nanhu, CN
Hongwei Zhang · Tianjin, CN
Jing Lin · Tangxia, CN

Key dates

Filing date	Oct 16, 2013
Grant date	Jun 14, 2016
Priority date	—
Expiry date	Oct 16, 2033

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21Y2115/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Various embodiments may relate to a lens for a lighting assembly. The lens includes a bottom surface, a top surface and a side surface joining the bottom surface and the top surface. The bottom surface includes an incident surface, and the top surface includes an emergent surface, wherein the side surface includes a first side surface part and a second side surface part arranged in sequence in a direction from the top surface to the bottom surface, and the first side surface part and the second side surface part are defined by different curved surfaces and both are configured as reflection surfaces.

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