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:
Oct. 12, 2021
Filed:
Mar. 11, 2019
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Seulong Kim, Cheonan-si, KR;
Daeyup Shin, Suwon-si, KR;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 213/06 (2006.01); C07B 59/00 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0067 (2013.01); C07B 59/002 (2013.01); C07D 213/06 (2013.01); H01L 51/0052 (2013.01); H01L 51/5016 (2013.01); C07B 2200/05 (2013.01);
Abstract
An organic electroluminescence device includes a first electrode, a hole transport region provided on the first electrode, an emission layer provided on the hole transport region, an electron transport region provided on the emission layer, and a second electrode provided on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1. In Formula 1, Land Lare each independently represented by Formula 2, and Land Lare each independently represented by Formula 3.