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:
Jan. 03, 2017
Filed:
Dec. 21, 2012
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Se-Hee Lee, Gyeonggi-do, KR;
Eun-Jung Park, Daegu, KR;
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01); H01L 51/50 (2006.01); H01L 51/00 (2006.01); H01L 27/32 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5203 (2013.01); H01L 51/5024 (2013.01); H01L 27/3244 (2013.01); H01L 51/006 (2013.01); H01L 51/0052 (2013.01); H01L 51/0059 (2013.01); H01L 51/0072 (2013.01); H01L 51/0085 (2013.01); H01L 51/0087 (2013.01); H01L 51/0094 (2013.01); H01L 2251/5384 (2013.01);
Abstract
An organic light emitting display device with improved thermal reliability is disclosed. The organic light emitting display device includes a substrate, and an organic light emitting device that includes a first electrode, an organic light emitting layer including a first host, a second host, and a dopant, and a second electrode sequentially stacked on the substrate. The first host and the second host have different glass transition temperatures.