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:
Apr. 02, 2024
Filed:
Sep. 18, 2020
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventors:
Yu Naito, Kanagawa, JP;
Nobutaka Fukagawa, Kanagawa, JP;
Daisuke Sasaki, Kanagawa, JP;
Hiroki Kuwahara, Kanagawa, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H10K 59/38 (2023.01); G02B 5/22 (2006.01); H05B 33/20 (2006.01); H10K 50/11 (2023.01); H10K 101/40 (2023.01);
U.S. Cl.
CPC ...
H10K 59/38 (2023.02); G02B 5/22 (2013.01); H05B 33/20 (2013.01); H10K 50/11 (2023.02); H10K 2101/40 (2023.02);
Abstract
There are provided a color correction filter for a white organic electroluminescent light source including a resin and 0.1 part by mass or more of a coloring agent having an absorption maximum wavelength in a range of 560 to 620 nm or 460 to 520 nm with respect to 100 parts by mass of the resin, and having a moisture content of 0.5% by mass or less, and an organic EL display device having this filter.
Naito, Yu. (2024). Color correction filter for white organic electroluminescent light source, and organic electroluminescent display device (U.S. Patent No. 11950480). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11950480
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile