Patent · US Active

Method for producing defect-free light guiding elements of great widths, production device and diffractive light guiding element

US8277905B2 · kind B2 · utility

0Cited by

6References

23Claims

0Family size

Assignee

EPG (ENGINEERED NANOPRODUCTS GERMANY) AG · DE

Inventors

Martin Mennig · Idar-Oberstein, DE
Peter W. Oliveira · Riegelsberg, DE

Key dates

Filing date	Mar 14, 2007
Grant date	Oct 2, 2012
Priority date	—
Expiry date	Sep 8, 2029

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29L2011/0016
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A process for producing a diffractive light guiding element by a continuous, single-stage reel-to-reel method, an apparatus suitable for carrying out the process and a light guiding element obtainable by the process.

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