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:
Jan. 07, 2020
Filed:
Sep. 27, 2018
Applicant:
Joled Inc., Tokyo, JP;
Inventor:
Kosuke Mishima, Tokyo, JP;
Assignee:
JOLED INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/08 (2006.01); H01L 35/24 (2006.01); H01L 51/00 (2006.01); H01L 51/52 (2006.01); H01L 51/50 (2006.01); H01L 27/32 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5271 (2013.01); H01L 27/3246 (2013.01); H01L 51/5012 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01); H01L 51/5092 (2013.01); H01L 51/5218 (2013.01); H01L 51/5221 (2013.01); H01L 51/5265 (2013.01); H01L 27/3276 (2013.01); H01L 2251/301 (2013.01);
Abstract
An organic electroluminescent element according to one embodiment of the disclosure includes a first reflective layer, a second reflective layer, an organic light-emitting layer, a silver electrode layer, and an ytterbium electron injection layer. The organic light-emitting layer is provided between the first reflective layer and the second reflective layer, and emits monochromatic light. The silver electrode layer is provided between the organic light-emitting layer and the second reflective layer. The ytterbium electron injection layer is in contact with the silver electrode layer on side of the organic light-emitting layer.