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:
Dec. 27, 2022
Filed:
Jan. 09, 2019
Applicant:
Konica Minolta, Inc., Tokyo, JP;
Inventors:
Yuta Nakamura, Hino, JP;
Satoru Inoue, Kunitachi, JP;
Assignee:
KONICA MINOLTA, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H05B 33/10 (2006.01); H01L 51/52 (2006.01); H01L 51/00 (2006.01); H01L 51/56 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5253 (2013.01); H01L 51/0026 (2013.01); H01L 51/56 (2013.01); H01L 51/0097 (2013.01); H01L 2251/5376 (2013.01);
Abstract
The present invention addresses the problem of providing: a luminescent thin film, a luminescent multilayered film, and an organic electroluminescent element that have luminescence properties with excellent storage stability in atmospheric air; and a production method therefor. This luminescent thin film contains a luminescent compound A, and is characterized by containing 0.0001 mass % or more of an oxide B of luminescent compound A in terms of the luminescent compound A.