Patent · US Active

Method for producing a micro-optical display arrangement

US8906184B2 · kind B2 · utility

7Cited by

6References

18Claims

0Family size

Assignee

GIESECKE & DEVRIENT GMBH · DE

Inventors

Lars Hoffmann · Birkenfeld, DE
Manfred Dotzler · Lenggries, DE
Manfred Heim · Munich, DE
Marius Dichtl · Munich, DE
Michael Rahm · Bad Tölz, DE
Ralf Liebler · Darmstadt, DE

Key dates

Filing date	Apr 1, 2009
Grant date	Dec 9, 2014
Priority date	—
Expiry date	Dec 1, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2462
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

The present invention relates to a method for producing, for the depiction of a specified motif, a micro-optical depiction arrangement that exhibits a colored motif grid, composed of a plurality of micromotif elements, and a focusing element grid, composed of a plurality of microfocusing elements that reconstructs the specified motif when the micromotif elements are viewed.

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