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. 12, 2019
Filed:
Oct. 23, 2014
Samsung Display Co., Ltd., Yongin, Gyeonggi-Do, KR;
Myeong-Suk Kim, Yongin, KR;
Sung-Wook Kim, Yongin, KR;
Jae-Hong Kim, Yongin, KR;
Jin-Soo Hwang, Yongin, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode; an electron transport region disposed between the emission layer and the second electrode; and a hole transport region disposed between the first electrode and the emission layer, wherein the electron transport region comprises at least one of an electron transport material represented by Formula 1 below; and the hole transport region comprises at least one of a hole transport material represented by Formula 2 or 3 below: