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:
Nov. 13, 2012
Filed:
Feb. 09, 2011
Tae-woo Lee, Seoul, KR;
Sang-yeol Kim, Gwacheon-si, KR;
Mu-gyeom Kim, Hwaseong-si, KR;
Yu-jin Kim, Suwon-si, KR;
Lyong-sun Pu, Suwon-si, KR;
Jong-jin Park, Guri-si, KR;
Sang-hoon Park, Seongnam-si, KR;
In-nam Kang, Ansan-si, KR;
Tae-Woo Lee, Seoul, KR;
Sang-Yeol Kim, Gwacheon-si, KR;
Mu-Gyeom Kim, Hwaseong-si, KR;
Yu-Jin Kim, Suwon-si, KR;
Lyong-Sun Pu, Suwon-si, KR;
Jong-Jin Park, Guri-si, KR;
Sang-Hoon Park, Seongnam-si, KR;
In-Nam Kang, Ansan-si, KR;
Samsung Display Co., Ltd., Giheung-Gu, Yongin, Gyeonggi-Do, KR;
Abstract
An organic light emitting device and a method of manufacturing the same, the organic light emitting device includes a first electrode, a second electrode, and an organic layer that has at least a multi-coated emissive layer and which is interposed between the first and second electrodes. The multi-coated emissive layer is a single layer composed of a neutral emissive material and an n−nparameter of the emissive layer is greater than an n−nparameter of a single-coated layer. The organic light emitting device has a longer lifetime and high efficiency.