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. 07, 2020
Filed:
Mar. 24, 2016
Samsung Display Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Dong Chan Kim, Gunpo-si, KR;
Won Jong Kim, Suwon-si, KR;
Eung Do Kim, Seoul, KR;
Dong Kyu Seo, Hwaseong-si, KR;
Ji Hye Lee, Incheon, KR;
Da Hea Im, Incheon, KR;
Sang Hoon Yim, Suwon-si, KR;
Yoon Hyeung Cho, Yongin-si, KR;
Won Suk Han, Yongin-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
An organic light emitting element according to an example embodiment of the present disclosure includes: an anode and a cathode facing each other; an emission layer between the anode and the cathode; an electron transfer layer between the emission layer and the cathode; and a buffer layer between the cathode and the electron transfer layer, wherein the buffer layer includes an inorganic metal halide having p-type semiconductor characteristics.