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:
Sep. 13, 2022
Filed:
May. 10, 2019
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Wataru Kubo, Inagi, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/153 (2006.01); G02F 1/03 (2006.01); G02F 1/133 (2006.01); G02F 1/1335 (2006.01); H04N 9/16 (2006.01); G02F 1/1514 (2019.01); G02F 1/157 (2006.01); G02F 1/1503 (2019.01); E06B 3/67 (2006.01); E06B 9/24 (2006.01);
U.S. Cl.
CPC ...
G02F 1/1514 (2019.01); E06B 3/6722 (2013.01); E06B 9/24 (2013.01); G02F 1/1503 (2019.01); G02F 1/157 (2013.01); E06B 2009/2464 (2013.01); G02F 2001/15145 (2019.01);
Abstract
The present disclosure includes an effective optical region within a transmittance variable region, and sets the transmittance variable region and the effective optical region so that a shortest distances from a periphery of the transmittance variable region to a periphery of the effective optical region, dand d, are 7.5% or more and 25% or less of a length of the transmittance variable region on a straight line including the shortest distances, L, in a vertical direction.