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:
May. 21, 2019
Filed:
Dec. 19, 2013
Samsung Display Co., Ltd., Yongin, Gyeonggi-Do, KR;
Ji-Youn Lee, Yongin, KR;
Yoon-Hyun Kwak, Yongin, KR;
Bum-Woo Park, Yongin, KR;
Sun-Young Lee, Yongin, KR;
Jong-Won Choi, Yongin, KR;
Wha-Il Choi, Yongin, KR;
So-Yeon Kim, Yongin, KR;
Samsung Display Co., Ltd., Yongin, KR;
Abstract
An organic light-emitting diode includes a substrate; a first electrode on the substrate; a second electrode disposed opposite to the first electrode; an emission layer disposed between the first electrode and the second electrode; a hole migration region disposed between the first electrode and the emission layer; and an electron migration region disposed between the emission layer and the second electrode, wherein the hole migration region comprises a first compound represented by Formula 1 below, and at least one of the hole migration region and the emission layer comprises a second compound represented by Formula 2 below. Substituents in Formulae 1 and 2 are the same as described in the specification.