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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.:

US 11758749 B1

PDFFull Text
Date of Patent:
Sep. 12, 2023

Filed:

Jul. 12, 2021

Organic el element having one functional layer with naf and the other functional layer with yb

Applicant:

Joled Inc., Tokyo, JP;

Inventors:

Kosuke Mishima, Tokyo, JP;

Koyo Sakamoto, Tokyo, JP;

Muneharu Sato, Tokyo, JP;

Assignee:

JOLED INC., Tokyo, JP;

Attorney:

XSENSUS LLP

Primary Examiner:

Jay C Chang

Assistant Examiner:

Mikka Liu

Int. Cl.
CPC ...
H10K 50/17 (2023.01); H10K 50/818 (2023.01); H10K 50/828 (2023.01); H10K 59/35 (2023.01); H10K 71/00 (2023.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
H10K 50/171 (2023.02); H10K 50/818 (2023.02); H10K 50/828 (2023.02); H10K 59/35 (2023.02); H10K 71/00 (2023.02); H10K 2102/351 (2023.02);
Abstract

An organic electroluminescence element includes an anode, an organic light emitting layer disposed on an upper side of the anode, a first functional layer disposed over the organic light emitting layer and including NaF, a second functional layer disposed over the first functional layer and including an organic material containing Yb, and a cathode disposed on an upper side of the second functional layer. A method of manufacturing an organic electroluminescence element, includes forming an anode, forming an organic light emitting layer on an upper side of the anode, forming a first functional layer including NaF over the organic light emitting layer, forming a second functional layer including an organic material containing Yb over the first functional layer, and forming a cathode on an upper side of the second functional layer.

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