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. 24, 2026
Filed:
Nov. 09, 2021
Lg Display Co., Ltd., Seoul, KR;
Young-Jun Yu, Paju-si, KR;
Sang-Beom Kim, Paju-si, KR;
Jung-Keun Kim, Paju-si, KR;
Jeong-Dae Seo, Paju-si, KR;
Sung-Hoon Kim, Seoul, KR;
Kwang-Seok Do, Seoul, KR;
Dong-Hun Lee, Seoul, KR;
Won-Bin Kim, Seoul, KR;
LG DISPLAY CO., LTD., Seoul, KR;
Abstract
An organic light emitting diode and an organic light emitting device including the same are described. The organic light emitting diode can include a first electrode, a second electrode facing the first electrode, and a first emitting part including a red emitting material layer and a first hole transporting layer and positioned between the first and second electrodes. The red emitting material layer can include a first red host and a red dopant, and the first hole transporting layer can include a hole transporting material and is positioned between the first electrode and the red emitting material layer. At least one of the first red host and the hole transporting material is a compound of the following Formula: