Optischer Artikel mit einem Substrat zur Kurzsichtigkeitsregulierung mit Eingebetteten Nanopartikeln

Details

Veröffentlichungs-Nr.

EP4530054

Aktenzeichen

EP23306616

Anmeldetag

27. September 2023

Veröffentlichung

2. April 2025

Rechtsraum

EP

IPC

B29D11/00

Abstract

The invention relates to an optical article having a substrate made of an optical material comprising a polymer matrix, the substrate comprising a bulk part, and an external part, and said external part of the substrate is made of said optical material comprising said polymer matrix, and particles functionalized with a coupling agent embedded into said polymer matrix of the external part of the substrate, said bulk part of the substrate is made of said optical material comprising said polymer matrix, and said particles are not embedded into the bulk part of the substrate, and the haze value of a 2 mm-thick substrate as determined according to the standard ASTM D1003-00 is higher than or equal to 4 %.

Anmelder

Firma

Essilor International

Land

🇫🇷 Frankreich

Fachgebiete