Granted Patent B2

US 12,516,033 · App. 16/428,847 · Granted Jan 6, 2026

Inventors: Kyung-Jin Yoon (Paju-si, KR); Hyo-Jin Noh (Paju-si, KR); Jeong-Eun Baek (Paju-si, KR)

Assignee: LG Display Co., Ltd.

C07D307/91C07D405/14C09K11/06H10K59/123H10K85/6572H10K85/6574C09K2211/1018H10K50/11H10K50/13H10K50/15H10K50/16H10K50/171H10K2101/10H10K2101/30

Abstract

Claims (15)

1 . An organic light emitting diode, comprising:

a first electrode;

a second electrode facing the first electrode; and

a first emitting material layer between the first and second electrodes;

a hole transporting layer between the first electrode and the first emitting material layer;

a hole injection layer between the first electrode and the hole transporting layer;

an electron blocking layer between the hole transporting layer and the first emitting material layer;

an electron transporting layer between the first emitting material layer and the second electrode;

an electron injection layer between the electron transporting layer and the second electrode; and

a hole blocking layer between the first emitting material layer and the electron transporting layer,

wherein the first emitting material layer comprises a first host and a first dopant, and the first host includes an organic compound of Formula 1:

wherein A is selected from the group consisting of:

and B is selected from the group consisting of:

2 . The organic light emitting diode according to claim 1 , wherein the organic compound is Compound 25:

3 . The organic light emitting diode according to claim 1 , wherein the first dopant has the following structure:

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (33)