Invention Grant
- Patent Title: Optical article with blue cut, high UV cut and high clarity
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Application No.: US16335199Application Date: 2017-09-20
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Publication No.: US11029541B2Publication Date: 2021-06-08
- Inventor: Hao Wen Chiu , Aref Jallouli , Haifeng Shan
- 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: EP16306206 20160920
- International Application: PCT/EP2017/073800 WO 20170920
- International Announcement: WO2018/054988 WO 20180329
- Main IPC: G02C7/10
- IPC: G02C7/10 ; B29D11/00 ; C09B47/00 ; B29K69/00 ; B29K105/00
Abstract:
The combination of selective and high pass filters to cut harmful blue light allowed to achieve the best compromise between high blue cut performance, high UV cut and low yellow index, not achievable when using the filters alone.
Information query
