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. 21, 2018
Filed:
May. 24, 2016
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Yoondeok Han, Seoul, KR;
Hongseok Choi, Seoul, KR;
SoYeon Ahn, Seoul, KR;
JungSoo Park, Seoul, KR;
Yosub Lee, Goyang-si, KR;
Assignee:
LG DISPLAY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/52 (2006.01); H01L 27/32 (2006.01); H01L 27/12 (2006.01);
U.S. Cl.
CPC ...
H01L 51/504 (2013.01); H01L 27/3209 (2013.01); H01L 27/3246 (2013.01); H01L 27/3248 (2013.01); H01L 27/3258 (2013.01); H01L 27/3262 (2013.01); H01L 27/3276 (2013.01); H01L 51/5004 (2013.01); H01L 51/5278 (2013.01); H01L 27/124 (2013.01); H01L 27/1248 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01); H01L 2251/5384 (2013.01); H01L 2251/552 (2013.01);
Abstract
An organic light emitting display device includes: a first light emitting unit including a first light emitting layer; and a second light emitting unit on the first light emitting unit including a second light emitting layer. The first light emitting layer includes at least one dopant and at least two hosts. The at least two hosts are different from each other in electron mobility and hole mobility.