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. 05, 2013
Filed:
Jun. 21, 2010
Do-hyun Kwon, Yongin, KR;
Choong-youl Im, Yongin, KR;
Dae-hyun NO, Yongin, KR;
Ju-won Yoon, Yongin, KR;
Jong-mo Yeo, Yongin, KR;
Song-yi Jeon, Yongin, KR;
Il-jeong Lee, Yongin, KR;
Cheol-ho Yu, Yongin, KR;
Young-dae Kim, Yongin, KR;
Jin-gyu Kang, Yongin, KR;
Gyoo-chul JO, Yongin, KR;
Do-Hyun Kwon, Yongin, KR;
Choong-Youl Im, Yongin, KR;
Dae-Hyun No, Yongin, KR;
Ju-Won Yoon, Yongin, KR;
Jong-Mo Yeo, Yongin, KR;
Song-Yi Jeon, Yongin, KR;
Il-Jeong Lee, Yongin, KR;
Cheol-Ho Yu, Yongin, KR;
Young-Dae Kim, Yongin, KR;
Jin-Gyu Kang, Yongin, KR;
Gyoo-Chul Jo, Yongin, KR;
Samsung Display Co., Ltd., Giheung-Gu, Yongin, Gyeonggi-Do, KR;
Abstract
An organic light emitting diode display that includes a first electrode arranged on a substrate, an organic emission layer arranged on the first electrode and a second electrode arranged on the organic emission layer, the first electrode includes a first layer, a second layer and a third layer stacked sequentially on the organic emission layer, the second layer has a lower work function than the third. Here, the second layer has a higher work function than that of the third layer.