Laminierte Mikrooptische Strukturen

Details

Veröffentlichungs-Nr.

EP4729303

Anmeldetag

18. Oktober 2024

Veröffentlichung

22. April 2026

Rechtsraum

EP

IPC

(CAPE SAMUEL M et al.)

Abstract

An item (1000) comprising a front face (ff 1000), and a back face (bf1000) and:- A first layer (200), the first layer (200) being at least partly transparent and being made of polycarbonate,- A multilayered structure (500), the multilayered structure (500) being at least partly transparent and including a layer (510) comprising microlenses, and a layer (530) comprising image icons.- A filler material (540), the filler material (540) being transparent and embedding the microlenses, the filler material (540), the microlenses and the image icons cooperating to generate at least one synthetic image visible when observing the front face (ff 1000),- A second layer (700) of polycarbonate,- A first adhesive (300) between the first layer (200) and the multilayered structure (500), said first adhesive (300) being transparent,- A second (layer of) adhesive (600) between the multilayered structure (500) and the second layer (700).

Anmelder

Firmen

Oberthur Fiduciaire SAS
Covestro Deutschland AG
Rolling Optics Innovation AB

Land

🇫🇷 Frankreich