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:
May. 19, 2020
Filed:
Jun. 08, 2018
Applicant:
Joled Inc., Tokyo, JP;
Inventors:
Kazuhiro Yoneda, Tokyo, JP;
Noriyuki Matsusue, Tokyo, JP;
Assignee:
JOLED INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/56 (2006.01); H01L 51/52 (2006.01); H01L 51/50 (2006.01); H01L 27/32 (2006.01); H01L 51/00 (2006.01); G09G 3/3233 (2016.01);
U.S. Cl.
CPC ...
H01L 51/56 (2013.01); H01L 27/3246 (2013.01); H01L 51/504 (2013.01); H01L 51/5012 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01); H01L 51/5088 (2013.01); H01L 51/5092 (2013.01); H01L 51/524 (2013.01); H01L 51/5206 (2013.01); H01L 51/5221 (2013.01); G09G 3/3233 (2013.01); G09G 2300/0452 (2013.01); H01L 27/3211 (2013.01); H01L 51/0003 (2013.01); H01L 51/0008 (2013.01);
Abstract
Disclosed is an organic electroluminescent element including a first electrode, a hole transport layer, a light emitting layer, an electron transport layer and a second electrode in this order. The light emitting layer has a first light emitting layer including a coating film on the hole transport layer side, and has a second light emitting layer including a vapor-deposited film on the electron transport layer side.