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:
Jul. 01, 2025
Filed:
Nov. 20, 2020
Applicant:
Konica Minolta, Inc., Tokyo, JP;
Inventors:
Tomoo Izumi, Toyonaka, JP;
Hideo Taka, Inagi, JP;
Hiroyuki Isobe, Tokyo, JP;
Sota Sato, Tokyo, JP;
Koki Ikemoto, Tokyo, JP;
Assignee:
KONICA MINOLTA, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 59/17 (2023.01); H10K 50/13 (2023.01); H10K 71/00 (2023.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01);
U.S. Cl.
CPC ...
H10K 59/17 (2023.02); H10K 50/131 (2023.02); H10K 71/00 (2023.02); H10K 85/342 (2023.02); H10K 85/621 (2023.02); H10K 85/656 (2023.02); H10K 85/657 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02);
Abstract
An organic electroluminescent element has at least one pair of electrodes including an anode and a cathode and one or more organic functional layers between the anode and the cathode that are in a pair. The organic electroluminescent element includes an organic functional layer that exists as a continuous phase over an entire display area and includes an at least one light emitting compound with a concentration gradient in an in-plane direction and in a thickness direction of the organic functional layer.