Invention Grant
- Patent Title: Color vision correction filter and optical component
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Application No.: US16441407Application Date: 2019-06-14
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Publication No.: US11747653B2Publication Date: 2023-09-05
- Inventor: Hideki Wada , Tomoya Iwahashi , Kazuyuki Yamae
- Applicant: Panasonic Intellectual Property Management Co., Ltd.
- Applicant Address: JP Osaka
- Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee Address: JP Osaka
- Agency: Renner, Otto, Boisselle & Sklar, LLP
- Priority: JP 18123088 2018.06.28
- Main IPC: G02C7/10
- IPC: G02C7/10 ; C09B47/30 ; C09B47/00 ; C09B23/06 ; G02B5/22
Abstract:
A color vision correction filter includes a least one type of dye material and the lowest value of transmittance of the color vision correction filter in a wavelength band ranging from 440 nm to 600 nm, inclusive, is in the range of plus or minus 50 nm of 535 nm.
Public/Granted literature
- US20200004051A1 COLOR VISION CORRECTION FILTER AND OPTICAL COMPONENT Public/Granted day:2020-01-02
Information query
