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:
Aug. 25, 2026
Filed:
Oct. 26, 2023
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Kazue Uchida, Tochigi, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/111 (2015.01); G02B 1/18 (2015.01); H04N 23/55 (2023.01);
U.S. Cl.
CPC ...
G02B 1/111 (2013.01); G02B 1/18 (2015.01); H04N 23/55 (2023.01);
Abstract
An optical element includes a substrate, and an antireflection film. The antireflection film consists of a first layer formed on the substrate, and a second layer formed on the first layer. The first layer and the second layer each include an organic compound. Predetermined inequalities are satisfied.