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:
Feb. 21, 2012
Filed:
Mar. 26, 2008
Jin-baek Choi, Suwon-si, KR;
Chang-ho Lee, Suwon-si, KR;
Won-jong Kim, Suwon-si, KR;
Yong-tak Kim, Suwon-si, KR;
Jong-hyuk Lee, Suwon-si, KR;
Yoon-hyeung Cho, Suwon-si, KR;
Byoung-duk Lee, Suwon-si, KR;
Min-ho OH, Suwon-si, KR;
Sun-young Lee, Suwon-si, KR;
So-young Lee, Suwon-si, KR;
Jin-Baek Choi, Suwon-si, KR;
Chang-Ho Lee, Suwon-si, KR;
Won-Jong Kim, Suwon-si, KR;
Yong-Tak Kim, Suwon-si, KR;
Jong-Hyuk Lee, Suwon-si, KR;
Yoon-Hyeung Cho, Suwon-si, KR;
Byoung-Duk Lee, Suwon-si, KR;
Min-Ho Oh, Suwon-si, KR;
Sun-Young Lee, Suwon-si, KR;
So-Young Lee, Suwon-si, KR;
Samsung Mobile Display Co., Ltd., Yongin, KR;
Abstract
An organic light emitting device is provided that includes: an anode including an anode material and for injecting holes; an organic layer including a light emitting layer on the anode; and a cathode on the organic layer and through which light emitted from the light emitting layer passes, wherein the cathode includes: a buffer layer, a metal oxide layer including a metal oxide, and a metal layer including a metal having an absolute work function value lower than an absolute work function value of the anode material and coupled to the buffer layer and the metal oxide layer.