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:
Dec. 12, 2017
Filed:
Jun. 14, 2016
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Taesun Yoo, Goyang-si, KR;
Hongseok Choi, Seoul, KR;
Mi-Young Han, Paju-si, KR;
JungSoo Park, Seoul, KR;
Assignee:
LG DISPLAY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/32 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 27/3206 (2013.01); H01L 51/504 (2013.01); H01L 51/5024 (2013.01); H01L 51/5096 (2013.01);
Abstract
Disclosed is an organic light emitting display device. The organic light emitting display device includes an emission part which is disposed between an anode and a cathode and includes an emission layer. The emission part includes at least two emission layers emitting lights of different colors and a recombination zone movement prevention layer. The at least two emission layers each includes at least one host and at least one dopant, and the recombination zone movement prevention layer is disposed on a specific emission layer among the at least two emission layers.