logo

For the Inventor, By the Inventor

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.:

US 12550608 B1

PDFFull Text
Date of Patent:
Feb. 10, 2026

Filed:

Dec. 17, 2021

Organic light emitting diode and organic light emitting device including the same

Applicant:

Lg Display Co., Ltd., Seoul, KR;

Inventors:

Ji-Cheol Shin, Paju-si, KR;

Jeong-Dae Seo, Paju-si, KR;

Shin-Han Kim, Paju-si, KR;

Seon-Keun Yoo, Paju-si, KR;

Assignee:

LG DISPLAY CO., LTD., Seoul, KR;

Attorney:

Morgan, Lewis & Bockius LLP

Primary Examiner:

Dylan C Kershner

Int. Cl.
CPC ...
H10K 85/60 (2023.01); H10K 50/12 (2023.01); H10K 50/125 (2023.01); H10K 50/17 (2023.01); H10K 59/12 (2023.01); H10K 59/80 (2023.01);
U.S. Cl.
CPC ...
H10K 85/615 (2023.02); H10K 50/17 (2023.02); H10K 59/12 (2023.02); H10K 59/873 (2023.02); H10K 85/624 (2023.02); H10K 85/626 (2023.02); H10K 85/633 (2023.02); H10K 85/6572 (2023.02); H10K 50/12 (2023.02); H10K 50/125 (2023.02);
Abstract

The present disclosure relates to an organic light emitting diode comprising a first electrode; a second electrode facing the first electrode; a first emitting part including a first emitting material layer and a hole injection layer and positioned between the first and second electrodes, wherein the hole injection layer includes a first hole injection material and a second hole injection material and is positioned between the first electrode and the first emitting material layer, and wherein the first hole injection material is an indacene derivative, and the second hole injection material includes at least one of fluorene derivatives having different structures.

Find Patent Forward Citations

Loading…