Organic electroluminescent compounds and organic optoelectronic devices comprising the same

Patent metadata

Field	Value
Publication number	US-10069082-B2
Application number	US-201615198177-A
Country	US
Kind code	B2
Filing date	Jun 30, 2016
Priority date	Nov 20, 2015
Publication date	Sep 4, 2018
Grant date	Sep 4, 2018

Abstract

The present application provides an organic electroluminescent compound, use thereof in organic optoelectronic device, and an organic photoelectric device comprising the same.

First claim

What is claimed is:

1. A compound of Formula (I):

wherein
X 1 to X 12 are each independently CR 1 or N;
Y 1 is O, S or NR 2 ;
Y 2 is O, S, CR 3 R 4 , NR 5 or SiR 6 R 7 ;
R 1 to R 7 are each independently hydrogen, deuterium, C 1-30 alkyl, C 6-30 aryl or C 2-20 heteroaryl;
L is a linking moiety which enables the structure of Formula (I) to form a conjugated system;
when n is 1, 2 or 3, m is 2 or 3; when n is 2 or 3, m is 1, 2 or 3;
if n is greater than 1, each Moiety A in Formula (I) is the same as each other or different from each other; and
if m is greater than 1, each Moiety B in Formula (I) is the same as each other or different from each other.

2. The compound according to claim 1 , wherein said L is C 6-30 aryl or C 2-30 heteroaryl.

3. The compound according to claim 1 , wherein said L is selected from the following structures:

wherein, * represents CR 8 , N or a site linked to said Moiety A or said Moiety B, and said R 8 is each independently hydrogen, deuterium, C 1-6 alkyl, C 6-16 aryl or C 2-6 heteroaryl.

4. The compound according to claim 3 , wherein substitution positions of said Moiety A and said Moiety B on said L are spaced by at least one atom.

5. The compound according to claim 1 , wherein said Moiety A is selected from the following groups:

6. The compound according to claim 1 , wherein said Moiety B is selected from the following groups:

7. The compound according to claim 1 , wherein the energy gap ΔE st between the lowest singlet state and the lowest triplet state of said compound is less than or equal to 0.30 eV.

8. The compound according to claim 7 , wherein the energy gap ΔE st between the lowest singlet state and the lowest triplet state of said compound is less than or equal to 0.25 eV.

9. The compound according to claim 7 , wherein the energy gap ΔE st between the lowest singlet state and the lowest triplet state of said compound is less than or equal to 0.15 eV.

10. The compound according to claim 7 , wherein the energy gap ΔE st between the lowest singlet state and the lowest triplet state of said compound is less than or equal to 0.1 eV.

11. The compound according to claim 7 , wherein the energy gap ΔE st between the lowest singlet state and the lowest triplet state of said compound is less than or equal to 0.05 eV.

12. The compound according to claim 7 , wherein the energy gap ΔE st between the lowest singlet state and the lowest triplet state of said compound is less than or equal to 0.02 eV.

13. The compound according to claim 7 , wherein the energy gap ΔE st between the lowest singlet state and the lowest triplet state of said compound is less than or equal to 0.01 eV.

14. The compound according to claim 1 , selected from:

Assignees

• Shanghai Tianma Am Oled Co Ltd
• Tianma Micro Electronics Co Ltd

Inventors

• Ren Hongyang
• Wang Xiangcheng
• He Wei

Classifications

• C09K2211/1037

  with sulfur · CPC title

• H01L51/5012

  Electricity · mapped topic

• C07D471/04

  Ortho-condensed systems · CPC title

• C09K2211/1033

  with oxygen · CPC title

• C07D417/14

  containing three or more hetero rings · CPC title