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:
Mar. 10, 2026

Filed:

Aug. 11, 2022
Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventors:

Nobutaka Fukagawa, Kanagawa, JP;

Yu Naito, Kanagawa, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/22 (2006.01); C08K 5/3445 (2006.01); C08K 5/56 (2006.01); C09B 67/20 (2006.01); C09B 67/22 (2006.01); H10K 59/80 (2023.01);
U.S. Cl.
CPC ...
G02B 5/223 (2013.01); C08K 5/3445 (2013.01); C08K 5/56 (2013.01); C09B 67/0033 (2013.01); C09B 67/0063 (2013.01); C08K 2201/014 (2013.01); H10K 59/8791 (2023.02);
Abstract

Provided are a wavelength selective absorption filter containing a resin and a dye A, which has a main absorption wavelength band in the wavelength selective absorption filter at a wavelength of 400 to 450 nm, and a dye C, which has a main absorption wavelength band in the wavelength selective absorption filter at a wavelength of 560 to 600 nm, each of which has a main absorption wavelength band in a different wavelength range, as well as a polarizing plate and an organic electroluminescent display device or liquid crystal display device, which include the wavelength selective absorption filter. However, the dye A and the dye C do not have fluorescence.


Find Patent Forward Citations

Fukagawa, Nobutaka. (2026). Wavelength selective absorption filter, polarizing plate, organic electroluminescent display device, and liquid crystal display device (U.S. Patent No. 12571950). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12571950

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…