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:
Aug. 09, 2022
Filed:
Dec. 30, 2019
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Fumiaki Kato, Yokohama, JP;
Masashi Tsuji, Hwaseong-si, KR;
Takahiro Fujiyama, Yokohama, JP;
Keigo Furuta, Yokohama, JP;
Takao Motoyama, Hwaseong-si, KR;
Yusaku Konishi, Yokohama, JP;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C08G 73/02 (2006.01); C09D 179/02 (2006.01); C09D 5/24 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0094 (2013.01); C08G 73/0246 (2013.01); C09D 5/24 (2013.01); C09D 179/02 (2013.01); H01L 51/0035 (2013.01); H01L 51/0043 (2013.01); H01L 51/5056 (2013.01); H01L 51/5088 (2013.01);
Abstract
An electroluminescent device with an improved luminous efficiency. The device includes a light emitting layer with an arylamine polymer including a structural unit (A) represented by Chemical Formula (1).