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:
Mar. 08, 2016
Filed:
Nov. 16, 2009
Jun-yeob Lee, Seongnam-si, KR;
Soon-ok Jeon, Seoul, KR;
Kyoung-soo Yook, Yongin-si, KR;
Oh-young Kim, Yongin-si, KR;
Jun-Yeob Lee, Seongnam-si, KR;
Soon-Ok Jeon, Seoul, KR;
Kyoung-Soo Yook, Yongin-si, KR;
Oh-Young Kim, Yongin-si, KR;
SK CHEMICALS CO., LTD., Seongnam-si, Gyeonggido, KR;
Abstract
The present invention relates to a carbazole-based phosphine oxide compound, and an organic electroluminescent device including the same. According to the present invention, provided are a compound for an organic electroluminescent device which can improve the thermal stability and efficiency characteristics which are unstable and low, respectively, corresponding to problems of known compounds for organic electroluminescent devices, and particularly, can implement excellent efficiency characteristics in a pure blue phosphorescent device, by using the carbazole-based phosphine oxide compound of the compound for the organic electroluminescent device, and the organic electroluminescent device. According to one aspect of the present invention, the carbazole-based phosphine oxide compound of the compound for the organic electroluminescent device is provided, and the organic electroluminescent device containing the same which can implement thermal stability and high efficiency characteristics is also provided.