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. 01, 2017
Filed:
May. 15, 2015
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventor:
SeHee Lee, Paju-si, KR;
Assignee:
LG DISPLAY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 27/32 (2006.01); H01L 51/52 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 27/3211 (2013.01); H01L 27/3209 (2013.01); H01L 27/3216 (2013.01); H01L 51/504 (2013.01); H01L 51/5064 (2013.01); H01L 51/5278 (2013.01); H01L 2251/558 (2013.01);
Abstract
Provided is an organic light emitting device including: an organic emission layer disposed between a first electrode and a second electrode and in a plurality of sub-pixel areas; a plurality of electroluminescence units which include the organic emission layer and are formed by stacking; and a charge generation layer between the plurality of electroluminescence units, where the charge generation layers respectively disposed in the plurality of sub-pixel areas have a step and are formed at different positions, and the second electrodes respectively disposed in the multiple sub-pixel areas have a step and are formed at different positions.