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. 18, 2016
Filed:
Jun. 25, 2013
Applicant:
Samsung Display Co., Ltd., Yongin, Gyeonggi-do, KR;
Inventors:
Hee-Yeon Kim, Yongin, KR;
Jung-Sub Lee, Yongin, KR;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5262 (2013.01); H01L 51/0072 (2013.01); H01L 51/5234 (2013.01); H01L 51/0059 (2013.01);
Abstract
An organic light-emitting device includes a first electrode; a second electrode; an organic layer between the first electrode and the second electrode; and a light efficiency-improvement layer disposed on the first electrode or the second electrode. The light efficiency-improvement layer includes a heterocyclic compound represented by Formula 1,