Patent · US Active

LED lamp with layered light modifying element

US9261244B2 · kind B2 · utility

0Cited by

8References

11Claims

0Family size

Assignee

Flextronics Automotive GmbH & Co. KG · DE

Inventors

Frank Wimbert · Owen, DE
Philip Hupfer · Eßlingen, DE

Key dates

Filing date	Feb 1, 2013
Grant date	Feb 16, 2016
Priority date	—
Expiry date	May 30, 2033

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21Y2115/15
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An LED lamp includes at least one light source and at least one translucent plastic element disposed in the beam path of the at least one lighting means. The plastic element includes at least two plastic layers made of different translucent materials, the translucency of each one of the two plastic layers having a different wavelength dependence such that the overall transmission function of the at least one plastic member is a desired value.

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