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:
Jan. 01, 2019
Filed:
Jul. 12, 2016
Samsung Display Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Dong Kyu Seo, Hwaseong-si, KR;
Dong Chan Kim, Gunpo-si, KR;
Won Jong Kim, Suwon-si, KR;
Eung Do Kim, Seoul, KR;
Jong Hyuk Lee, Seoul, KR;
Da Hea Im, Incheon, KR;
Sang Hoon Yim, Suwon-si, KR;
Yoon Hyeung Cho, Yongin-si, KR;
Chang Woong Chu, Hwaseong-si, KR;
Won Suk Han, Yongin-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
An organic light emitting element according to an exemplary embodiment of the present disclosure includes a first electrode, a second electrode, an emission layer between the first electrode and the second electrode, an electron injection layer between the second electrode and the emission layer, and a barrier layer between the electron injection layer and the second electrode, wherein a work function of the barrier layer is larger than a work function of the second electrode.