Patent · US Active

LED light unit and method of replacing an LED light unit

US9945527B2 · kind B2 · utility

3Cited by

2References

11Claims

0Family size

Assignee

Goodrich Lighting Systems, Inc. · DE

Inventors

Anil Kumar Jha · Lippstadt, DE
Christian Schoen · Dortmund, DE
Andre Hessling von Heimendahl · Koblenz, DE

Key dates

Filing date	Apr 11, 2014
Grant date	Apr 17, 2018
Priority date	—
Expiry date	Apr 11, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49117
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An LED light unit, in particular for a passenger transportation vehicle, such as an aircraft, a road vehicle, a ship or a rail car, has a support portion a light source having at least one LED, the light source being arranged on the support portion, and a refractive optical element having an inner surface and an outer surface the refractive optical element being attached to the support portion and being arranged over the light source. The refractive optical element has a chamfer portion adjacent the support portion, wherein at least one of the inner surface and the outer surface has at least one chamfer surface in the chamfer portion.

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