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:
Mar. 10, 2026
Filed:
Sep. 08, 2022
Canon Kabushiki Kaisha, Tokyo, JP;
Mariko Furuta, Kanagawa, JP;
Yoshihisa Kawamura, Kanagawa, JP;
Yuto Nozaki, Kanagawa, JP;
Yuuki Kumagae, Kanagawa, JP;
Kotaro Abukawa, Kanagawa, JP;
Kunihito Ide, Kanagawa, JP;
Jun Kamatani, Tokyo, JP;
Satoru Shiobara, Kanagawa, JP;
Nobuhiko Sato, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The present disclosure relates to an organic light-emitting device including an insulating layer, an organic light-emitting element disposed on the main surface of the insulating layer, and a color filter layer covering the organic light-emitting element and including a first color filter that passes light with a first wavelength and a second color filter that passes light with a second wavelength different from the first wavelength, wherein the concentration of an organic alkali having a nitrogen atom and a hydroxy group contained in the color filter layer is less than 108.2 ng/cm.