Patent · US Active

Light guiding element for an illumination unit

US10274151B2 · kind B2 · utility

3Cited by

9References

24Claims

0Family size

Assignee

ZKW Group GmbH · AT

Inventors

Anton Faffelberger · Krummnußbaum, AT
Bernd Eichinger · Wieselburg, AT

Key dates

Filing date	Nov 10, 2014
Grant date	Apr 30, 2019
Priority date	—
Expiry date	Sep 12, 2035

Classification

Technology area (CPC G)Physics
CPC primaryG02B6/0036
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A light-guiding element (1) for a lighting unit, comprising a light-guiding body (5) having at least one light entry face (2) and at least one light exit face (3), wherein the at least one light entry face (2) comprises a plurality of entry sub-faces (2a) offset from one another at least in the light propagation direction (−x), wherein the entry sub-faces (2a) are oriented substantially normal to the light propagation direction (−x).

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