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:
Aug. 08, 2023
Filed:
Sep. 03, 2019
Sfc Co., Ltd., Cheongju-si, KR;
Young-Hwan Park, Cheongju-si, KR;
Soon-Wook Cha, Goyang-si, KR;
Yoona Shin, Seoul, KR;
Sungeun Choi, Seoul, KR;
SFC CO., LTD., Cheongju-si, KR;
Abstract
Disclosed herein is an organic light emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and a light emitting layer interposed between the first electrode and the second electrode, wherein the light-emitting layer contains at least one of the anthracene derivatives represented by the following Chemical Formula A and having an orbital energy level of TTA phenomenon-based singlet generation in which the second triplet excited orbital energy level (T) is higher than two times the lowest triplet excited orbital energy level (T) (T>2T).