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. 29, 2016
Filed:
Jul. 06, 2012
Sam-il Kho, Yongin, KR;
Mie-hwa Park, Yongin, KR;
Hye-in Jeong, Yongin, KR;
Yoon-hyun Kwak, Yongin, KR;
Dae-yup Shin, Yongin, KR;
Kwan-hee Lee, Yongin, KR;
Sam-Il Kho, Yongin, KR;
Mie-Hwa Park, Yongin, KR;
Hye-In Jeong, Yongin, KR;
Yoon-Hyun Kwak, Yongin, KR;
Dae-Yup Shin, Yongin, KR;
Kwan-Hee Lee, Yongin, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
An organic light-emitting diode including: a first mixed layer between an emission layer and a first electrode and including first and second compounds; a second mixed layer between the emission layer and the first mixed layer and including third and fourth compounds; a first charge generation layer between the first mixed layer and the first electrode and including the first and second compounds and a first charge generation material; a second charge generation layer between the first mixed layer and the second mixed layer and including the third and fourth compounds and a second charge generation material; and a buffer layer between the emission layer and the second mixed layer, the first and the third compounds are each independently a compound represented by Formula 1 below, and the second compound and fourth compounds are each independently a compound represented by Formula 2 below: