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:
Mar. 28, 2017
Filed:
Nov. 25, 2014
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Young-Kwan Jung, Daegu, KR;
Hyo-Seok Kim, Goyang-si, KR;
Tae-Il Kum, Paju-si, KR;
Hyung-June Kim, Paju-si, KR;
Seong-Su Jeon, Gwangmyeong-si, KR;
Assignee:
LG DISPLAY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5016 (2013.01); H01L 51/5004 (2013.01); H01L 51/0052 (2013.01); H01L 51/0061 (2013.01); H01L 51/0067 (2013.01); H01L 51/0072 (2013.01); H01L 51/0085 (2013.01); H01L 51/504 (2013.01); H01L 51/506 (2013.01); H01L 51/5056 (2013.01); H01L 2251/308 (2013.01);
Abstract
An organic light emitting diode includes an anode; a cathode facing the anode; a first emitting material layer between the anode and the cathode and including a first host material, the first host material having a first triplet energy; and a hole transporting layer between the first emitting material layer and the anode, a material of the hole transporting layer having a second triplet energy being larger than the first triplet energy.