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:
Nov. 29, 2022
Filed:
Dec. 19, 2019
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Heejun Park, Paju-si, KR;
Seonkeun Yoo, Gunpo-si, KR;
Soyoung Jang, Seoul, KR;
Jicheol Shin, Gimpo-si, KR;
Sangbeom Kim, Paju-si, KR;
Sunghoon Kim, Seoul, KR;
Tae Wan Lee, Seoul, KR;
Dong Hun Lee, Seoul, KR;
Jeonghoe Heo, Seoul, KR;
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/00 (2006.01); C07D 333/76 (2006.01); H01L 51/52 (2006.01); H01L 27/32 (2006.01); H01L 27/12 (2006.01); H01L 29/786 (2006.01); H01L 51/56 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0061 (2013.01); C07D 333/76 (2013.01); H01L 51/006 (2013.01); H01L 27/1255 (2013.01); H01L 27/3244 (2013.01); H01L 29/7869 (2013.01); H01L 51/001 (2013.01); H01L 51/0056 (2013.01); H01L 51/0074 (2013.01); H01L 51/5012 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01); H01L 51/5088 (2013.01); H01L 51/5092 (2013.01); H01L 51/5253 (2013.01); H01L 51/56 (2013.01); H01L 2251/558 (2013.01);
Abstract
The present disclosure provides an organic light-emitting device comprising a novel compound. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.