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, 2015
Filed:
Apr. 29, 2011
Dong-heon Kim, Yongin, KR;
Tae-shick Kim, Yongin, KR;
Kwan-hee Lee, Yongin, KR;
Min-seung Chun, Yongin, KR;
Jung-ha Son, Yongin, KR;
Jae-hyun Kwak, Yongin, KR;
Mi-kyung Kim, Yongin, KR;
Choon-woo Lim, Yongin, KR;
Dong-Heon Kim, Yongin, KR;
Tae-Shick Kim, Yongin, KR;
Kwan-Hee Lee, Yongin, KR;
Min-Seung Chun, Yongin, KR;
Jung-Ha Son, Yongin, KR;
Jae-Hyun Kwak, Yongin, KR;
Mi-Kyung Kim, Yongin, KR;
Choon-Woo Lim, Yongin, KR;
Samsung Display Co., Ltd., Giheung-Gu, Yongin, Gyeonggi-Do, KR;
Abstract
An organic light-emitting device includes a first electrode, a mixed organic layer, an emission layer, an electron transport layer, and a second electrode. The mixed organic layer contains a fluorene derivative and a pyrazine derivative, and the electron transport layer contains a lithium quinolate and a pyridine derivative.