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:
Oct. 17, 2023
Filed:
Oct. 06, 2020
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventors:
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/22 (2006.01); G02F 1/13357 (2006.01); G02F 1/1335 (2006.01); C09B 57/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133603 (2013.01); C09B 57/007 (2013.01); G02B 5/22 (2013.01); G02B 5/223 (2013.01); G02F 1/133514 (2013.01); G02F 1/133528 (2013.01); C09K 2323/00 (2020.08); C09K 2323/03 (2020.08); C09K 2323/031 (2020.08); G02F 2201/50 (2013.01); G02F 2202/28 (2013.01); G02F 2203/055 (2013.01);
Abstract
Provided is a colorant filter including at least one colorant; and at least one binder, in which the colorant filter has an absorption spectrum having an absorption maximum in a wavelength region of 560 nm to 620 nm, and in the absorption spectrum, a difference D1 between two wavelengths which give 10% absorbance with respect to an absorbance at the absorption maximum and a difference D2 between two wavelengths which give 50% absorbance with respect to the absorbance at the absorption maximum satisfy Expressions (a) D1≤90 nm and (b) D1/D2≤4.0.