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:
Aug. 25, 2015
Filed:
Jun. 17, 2014
Lg Display Co., Ltd., Seoul, KR;
Shinhan Kim, Seoul, KR;
SeungRyong Joung, Gwangmyeong-si, KR;
So Yeon Ahn, Seoul, KR;
Taeshick Kim, Yongin-si, KR;
LG DISPLAY CO., LTD., Seoul, KR;
Abstract
Disclosed is an organic light emitting device that comprises first and second electrodes; first and second stacks arranged between the first electrode and the second electrode, the first and second stacks respectively emitting colors different from each other; and an intermediate layer arranged between the first stack and the second stack, wherein the intermediate layer includes a first intermediate layer arranged adjacent to the first stack to provide electrons to the first stack, and a second intermediate layer arranged adjacent to the second stack to provide holes to the second stack, and wherein the second intermediate layer includes a P-doping charge generating layer arranged on the first intermediate layer and a layer having a hole transporting characteristic and formed on the P-doping charge generating layer.