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, 2022
Filed:
Jan. 26, 2017
Sfc Co., Ltd., Cheongju-si, KR;
Se-jin Lee, Daejeon, KR;
Taejung Yu, Yongin-si, KR;
Seok-bae Park, Chungcheongnam-do, KR;
Byung-sun Yang, Namwon-si, KR;
Su-Jin Lee, Busan, KR;
Bong-Hyang Lee, Busan, KR;
Yeongtae Choi, Yongin-si, KR;
SFC CO., LTD., Cheongju-si, KR;
Abstract
Disclosed is an organic light emitting device including a first electrode, a second electrode opposite to the first electrode, and at least one organic layer interposed between the first and second electrodes. The organic layer includes first and second compounds represented by Formulae A and B, respectively: The organic light emitting device exhibits low driving voltage, high efficiency, and long life. Due to these advantages, the organic light emitting device is useful in a variety of industrial applications, including displays and lighting systems.