Invention Grant
- Patent Title: Colored optical article with neutral transmitting coating having asymmetric reflectance
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Application No.: US16647805Application Date: 2018-09-19
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Publication No.: US11448902B2Publication Date: 2022-09-20
- Inventor: Montserrat Burgos , Michèle Thomas , Xiaohong Zhang
- Applicant: Essilor International
- Applicant Address: FR Charenton-le-Pont
- Assignee: Essilor International
- Current Assignee: Essilor International
- Current Assignee Address: FR Charenton-le-Pont
- Agency: Norton Rose Fulbright US LLP
- Priority: EP17306217 20170919
- International Application: PCT/EP2018/075317 WO 20180919
- International Announcement: WO2019/057751 WO 20190328
- Main IPC: G02C7/10
- IPC: G02C7/10
Abstract:
The present invention relates to an optical article comprising: —a substrate, —one colouring component, so as to colour the substrate, and —coated on the substrate (a), an asymmetric interferential multilayer stack comprising at least one absorbing layer which absorbs in the visible region at a wavelength ranging from 380 to 780 nm.
Public/Granted literature
- US20210341760A1 Colored Optical Article with Neutral Transmitting Coating Having Asymmetric Reflectance Public/Granted day:2021-11-04
Information query
