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:
Apr. 14, 2015
Filed:
Aug. 22, 2011
Applicants:
Mie-hwa Park, Yongin, KR;
Tae-shick Kim, Yongin, KR;
Inventors:
Mie-Hwa Park, Yongin, KR;
Tae-Shick Kim, Yongin, KR;
Assignee:
Samsung Display Co., Ltd., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); H01L 51/50 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5076 (2013.01); H01L 51/0054 (2013.01); Y10S 428/917 (2013.01);
Abstract
In one aspect, an organic light emitting diode device that includes a first electrode, a second electrode facing the first electrode, an emission layer interposed between the first electrode and the second electrode and an auxiliary layer interposed between either one of the first electrode and the second electrode and the emission layer, wherein the auxiliary layer includes a substituted or unsubstituted pyrene-based compound having at least one appended phenyl group is provided.