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.

Date of Patent:
Jul. 20, 2021

Filed:

Apr. 13, 2017
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Keiko Abe, Kawasaki, JP;

Tomonari Nakayama, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/111 (2015.01); G02B 1/14 (2015.01); G02B 5/00 (2006.01); G02B 27/00 (2006.01); C09D 5/32 (2006.01); G02B 1/10 (2015.01); C09D 5/00 (2006.01); B29D 11/00 (2006.01); C03C 17/32 (2006.01); C09D 167/08 (2006.01); G02B 1/11 (2015.01); G02B 1/113 (2015.01); G02B 1/18 (2015.01); G02B 1/12 (2006.01); B24B 13/005 (2006.01);
U.S. Cl.
CPC ...
G02B 1/14 (2015.01); B29D 11/00865 (2013.01); B29D 11/00923 (2013.01); C03C 17/32 (2013.01); C09D 5/00 (2013.01); C09D 5/006 (2013.01); C09D 5/32 (2013.01); C09D 167/08 (2013.01); G02B 1/10 (2013.01); G02B 1/11 (2013.01); G02B 5/003 (2013.01); G02B 27/0018 (2013.01); B24B 13/0055 (2013.01); C03C 2217/73 (2013.01); C03C 2217/78 (2013.01); C03C 2218/32 (2013.01); G02B 1/113 (2013.01); G02B 1/12 (2013.01); G02B 1/18 (2015.01); G02B 5/005 (2013.01);
Abstract

The present invention relates to an optical element including a base material, a light-shielding film, and a cured film in which an alkyd resin and a melamine resin having two or more iminomethylol groups in a molecule are condensed or in which an alkyd resin and a benzoguanamine resin having two or more iminomethylol groups in a molecule are condensed. The light-shielding film is disposed in at least a part of the periphery of the base material. The cured film is disposed on the surface of the light-shielding film.


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