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. 02, 2019
Filed:
Jul. 27, 2016
Samsung Display Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Youngkook Kim, Yongin-si, KR;
Hyejin Jung, Yongin-si, KR;
Sanghyun Han, Yongin-si, KR;
Seokhwan Hwang, Yongin-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
A carbazole-based compound and an organic light-emitting device including the same, wherein the carbazole-based compound is represented by Formula 1: wherein in Formula 1, at least one selected from Rto Rmay be a group represented by Formula 2, and rings A and B are each selected from a phenyl or a naphthyl. When at least one compound represented by Formula 1 is included as a green fluorescent host in an emission layer of an organic light-emitting device, the example OLEDs may have improved efficiencies and longer lifespans compared to the organic light-emitting devices of the related art.