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:
Jul. 12, 2022
Filed:
Mar. 26, 2018
Applicant:
LT Materials Co., Ltd., Yongin, KR;
Inventors:
Assignee:
LT MATERIALS CO., LTD., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07D 209/86 (2006.01); C07D 405/14 (2006.01); C07D 409/14 (2006.01); C07D 495/04 (2006.01); H01L 51/50 (2006.01); H01L 51/56 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C07D 209/86 (2013.01); C07D 405/14 (2013.01); C07D 409/14 (2013.01); C07D 495/04 (2013.01); H01L 51/0067 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H01L 51/001 (2013.01); H01L 51/5016 (2013.01); H01L 51/5024 (2013.01); H01L 51/5072 (2013.01); H01L 51/5092 (2013.01); H01L 51/5096 (2013.01); H01L 51/56 (2013.01); H01L 2251/558 (2013.01);
Abstract
The present specification relates to an organic light emitting device comprising a first electrode, a second electrode, and one or more organic material layers provided between the first electrode and the second electrode, wherein one or more layers of the organic material layers comprise a heterocyclic compound represented by Chemical Formula 1 and a heterocyclic compound represented by Chemical Formula 2 at the same time, and a composition for an organic material layer of an organic light emitting device.