Compound for organic electronic element, organic electronic element using the same, and an electronic device thereof

Patent metadata

Field	Value
Publication number	US-12419191-B2
Application number	US-201917293809-A
Country	US
Kind code	B2
Filing date	Sep 20, 2019
Priority date	Nov 15, 2018
Publication date	Sep 16, 2025
Grant date	Sep 16, 2025

Abstract

The present invention provides the compound represented by Formula 1, an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, and an electronic device comprising the organic electric element, and by employing the compound represented by Formula 1 in the organic material layer, the driving voltage of the organic electric element can be lowered, and the luminous efficiency and life time of the electric element can be improved.

First claim

The invention claimed is:

1. A compound of Formula 1:

wherein:
X is O or S,
R 1 to R 4 are each independently selected from the group consisting of hydrogen, deuterium, halogen, a cyano group, a nitro group, a C 6 aryl group, a C 3 -C 60 aliphatic ring group, a C 1 alkyl group, a C 2 -C 20 alkenyl group, a C 2 -C 20 alkynyl group, a C 1 -C 30 alkoxy group, and a C 6 -C 30 aryloxy group, and adjacent groups thereof may be bonded to each other to form a ring, with the proviso that at least one of R 3 and R 4 is not hydrogen nor deuterium, or at least one of R 1 to R 4 forms a ring with an adjacent group thereof,
a and d are each an integer of 0 to 4, b and c are each an integer of 0 to 3,
Ar 1 and Ar 2 are independently selected from the group consisting of a C 6 -C 60 aryl group, a C 2 -C 60 heterocyclic group containing at least one heteroatom of O, N, S, Si, and P, a C 3 -C 60 aliphatic ring group and a C 1 -C 50 alkyl group.

2. The compound of claim 1 , wherein Formula 1 is represented by one of Formula 2 to Formula 5:

wherein X, R 1 to R 4 , a to d, Ar 1 , Ar 2 are the same as defined in claim 1 .

3. The compound of claim 1 , wherein Formula 1 is represented by one of Formula 6 to Formula 9:

wherein X, R 1 to R 4 , a to d, Ar 1 , Ar 2 are the same as defined in claim 1 .

4. The compound of claim 1 , wherein at least one of R 1 to R 4 is a Ce aryl group.

5. The compound of claim 1 , wherein R 1 is not hydrogen.

6. A compound selected from the group consisting of the following compounds:

7. An organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, wherein the organic material layer comprises a single compound or two or more compounds of claim 6 .

8. An electronic device comprising a display device and a control unit for driving the display device, wherein the display device comprises the organic electric element of claim 7 .

9. An organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, wherein the organic material layer comprises a single compound or two or more compounds represented by Formula 1 of claim 1 .

10. The organic electric element of claim 9 , wherein the organic material layer comprises at least one of a hole injection layer, a hole transport layer, an emission-auxiliary layer, a light emitting layer, an electron transport-auxiliary layer, an electron transport layer, and an electron injection layer.

11. The organic electric element of claim 10 , wherein the compound is comprised in the light emitting layer.

12. An electronic device comprising a display device and a control unit for driving the display device, wherein the display device comprises the organic electric element of claim 9 .

13. The electronic device of claim 12 , wherein the organic electric element is selected from the group consisting of an organic electroluminescent element, an organic solar cell, an organic photo conductor, an organic transistor, an element for monochromatic illumination and element for quantum dot display.

Assignees

• Duk San Neolux Co Ltd

Inventors

• Yun Jin Ho
• Kim Nam Soo
• Chae Mi Young
• Lee Sun Hee

Classifications

• H10K50/11

  characterised by the electroluminescent [EL] layers · CPC title

• H10K85/6576

  comprising only sulfur in the heteroaromatic polycondensed ring system, e.g. benzothiophene · CPC title

• H10K85/6574

  comprising only oxygen in the heteroaromatic polycondensed ring system, e.g. cumarine dyes · CPC title

• H10K85/6572

  comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole · CPC title

• C07D409/14

  containing three or more hetero rings · CPC title