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:
Oct. 12, 2010
Filed:
Oct. 11, 2005
Tae-shick Kim, Suwon-si, KR;
Hye-in Jeong, Suwon-si, KR;
Young-mo Koo, Suwon-si, KR;
Ok-keun Song, Suwon-si, KR;
Jun-yeob Lee, Suwon-si, KR;
Min-seung Chun, Suwon-si, KR;
Mi-kyung Kim, Suwon-si, KR;
Tae-Shick Kim, Suwon-si, KR;
Hye-In Jeong, Suwon-si, KR;
Young-Mo Koo, Suwon-si, KR;
Ok-Keun Song, Suwon-si, KR;
Jun-Yeob Lee, Suwon-si, KR;
Min-Seung Chun, Suwon-si, KR;
Mi-Kyung Kim, Suwon-si, KR;
Samsung Mobile Display Co., Ltd., Yongin, KR;
Abstract
An organic electroluminescent device is disclosed that includes an emission layer between a first electrode and a second electrode, and a buffer layer between the emission layer and the first electrode. The buffer layer includes a carbon-based compound and may be about 0.1 nm to about 100 nm thick. The organic electroluminescent device has greater driving voltage, better efficiency, and a longer life expectancy.