Nahinfrarotlichtschneidende Optische Artikel mit Geringer Restfarbe

Details

Veröffentlichungs-Nr.

EP3318920

Aktenzeichen

EP16306443

Anmeldetag

4. November 2016

Veröffentlichung

6. Juli 2022

Erteilung

6. Juli 2022

Rechtsraum

EP

IPC

G02C7/10G02B1/04

Abstract

The present invention relates to an optical article having a substrate made of an optical material comprising a polymer matrix and at least one near infrared absorber, wherein T VIS is higher than or equal to 70 %, T NIR is lower than or equal to 85 %, T NIR and T VIS being respectively the average optical transmittance in the 780-1400 nm and in the 380-780 nm wavelength range for the optical material through a 2 mm thick layer of said optical material. This optical article can be used to protect from noxious infrared light.

Anmelder

Firma

Essilor International

Land

🇫🇷 Frankreich

Fachgebiete