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:
May. 31, 2011
Filed:
Jul. 18, 2008
Min-seung Chun, Suwon-si, KR;
Dong-hun Kim, Suwon-si, KR;
Mi-kyung Kim, Suwon-si, KR;
Jung-ha Son, Suwon-si, KR;
Jae-hyun Kwak, Suwon-si, KR;
Min-Seung Chun, Suwon-si, KR;
Dong-Hun Kim, Suwon-si, KR;
Mi-Kyung Kim, Suwon-si, KR;
Jung-Ha Son, Suwon-si, KR;
Jae-Hyun Kwak, Suwon-si, KR;
Samsung Mobile Display Co., Ltd., Giheung-Gu, Yongin, Gyunggi-Do, KR;
Abstract
An organic light-emitting device includes a substrate; a first electrode; a second electrode facing the first electrode; an organic layer disposed on the first electrode; and an emitting layer interposed between the organic layer and the second electrode. The concentration of inorganic impurities within the organic layer is 1000 ppb or less. The organic light-emitting device has high light-emitting efficiency, low driving voltage, high brightness, and long life span.