The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 18, 2023
Filed:
Jul. 08, 2020
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Wataru Kubo, Inagi, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1514 (2019.01); G02F 1/1516 (2019.01);
U.S. Cl.
CPC ...
G02F 1/1514 (2019.01); G02F 1/1516 (2019.01); G02F 2001/15145 (2019.01);
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.