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:
Nov. 14, 2023
Filed:
Dec. 14, 2020
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1516 (2019.01); C07D 471/04 (2006.01); G02F 1/155 (2006.01); C09K 9/02 (2006.01);
U.S. Cl.
CPC ...
G02F 1/1516 (2019.01); C07D 471/04 (2013.01); C09K 9/02 (2013.01); G02F 1/155 (2013.01); G02F 2203/01 (2013.01); G02F 2203/02 (2013.01);
Abstract
An organic compound that absorbs light of a wavelength range from 450 nm to 580 nm in a reduction state and is colored and that is superior in high-temperature drive durability and that is expressed by the following formula [1]. Zand Zeach represent a substituent. Rto Reach represent a hydrogen atom or a substituent. Rand Rare optionally bound to each other to form a ring. Rand Reach represent a hydrogen atom or a substituent. Xrepresents an anion, and n is an integer greater than or equal to 1. When n is 2 or greater, two or more Xs are the same or different from each other.