Invention Grant
- Patent Title: Electrochromic element, optical apparatus, light control window, and image pickup apparatus
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Application No.: US16923580Application Date: 2020-07-08
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Publication No.: US11630364B2Publication Date: 2023-04-18
- Inventor: Wataru Kubo
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Canon U.S.A., Inc., IP Division
- Priority: JPJP2019-130177 20190712
- Main IPC: G02F1/1514
- IPC: G02F1/1514 ; G02F1/1516

Abstract:
An EC element whose coloring unevenness due to concentration unevenness is reduced by bringing the ratio of red and green wavelength ranges of a colored form of an anodic EC compound close to the ratio of red and green wavelength ranges of a colored form of a cathodic EC compound.
Public/Granted literature
- US20210011351A1 ELECTROCHROMIC ELEMENT, OPTICAL APPARATUS, LIGHT CONTROL WINDOW, AND IMAGE PICKUP APPARATUS Public/Granted day:2021-01-14
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