Organic electroluminescent compound and organic photoelectric apparatus thereof

Patent metadata

Field	Value
Publication number	US-9923150-B2
Application number	US-201615164140-A
Country	US
Kind code	B2
Filing date	May 25, 2016
Priority date	Dec 25, 2015
Publication date	Mar 20, 2018
Grant date	Mar 20, 2018

Abstract

The present disclosure provides a nitrogen-containing heterocyclic compound having general formula (I) and an organic photoelectric apparatus thereof.

where A 1 , A 2 , A 3 , A 4 , A 5 , A 6 , A 7 , and A 8 are independently selected from a hydrogen atom, at least one compound having the general formula (II) and at least one compound having the general formula (III),

where Y 1 , Y 2 , and Y 3 are independently selected from C and N; R 3 and R 4 are independently selected from C 6-30 aromatic group and C 2-30 heterocyclic aromatic group,

wherein X is selected from any one of oxyl group (—O—), sulfhydryl group (—S—), substituted or non-substituted imino group, substituted or non-substituted methylene group, and substituted or non-substituted silicylene group; R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 , and R 12 are independently selected from hydrogen, deuterium, C 1-30 alkyl group, C 6-30 aromatic group, or C 2-30 heterocyclic aromatic group.

First claim

What is claimed is:

1. A nitrogen-containing heterocyclic compound having a general formula (I):

wherein A 1 , A 2 , A 3 , A 4 , A 5 , A 6 , A 7 , and A 8 are independently selected from a group consisting of a hydrogen atom, a compound having a general formula (II) and a compound having a general formula (III); and A 1 , A 2 , A 3 , A 4 , A 5 , A 6 , A 7 , and A 8 include at least one compound having the general formula (II) and at least one compound having the general formula (III),
the general formula (II) being:

wherein Y 1 , Y 2 , and Y 3 are independently selected from a group consisting of C and N; R 3 and R 4 are independently selected from a group consisting of C 6-30 aromatic group and C 2-30 heterocyclic aromatic group, and
the general formula (III) being:

X is selected from a group consisting of any one of oxyl group (—O—), sulfhydryl group (—S—), substituted or non-substituted imino group, substituted or non-substituted methylene group, and substituted or non-substituted silicylene group; R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 , and R 12 are independently selected from a group consisting of hydrogen, deuterium, C 1-30 alkyl group, C 6-30 aromatic group, and C 2-30 heterocyclic aromatic group.

2. The nitrogen-containing heterocyclic compound according to claim 1 , wherein:
an energy level difference (ΔE st ) among a lowest singlet state S 1 and a lowest triplet state T 1 of the nitrogen-containing heterocyclic compound is smaller than or equal to approximately 0.30 eV.

3. The nitrogen-containing heterocyclic compound according to claim 1 , wherein the compound having the general formula (II) comprises one selected from a group consisting of:

4. The nitrogen-containing heterocyclic compound according to claim 1 , wherein:
R3 and R4 are independently selected from a group consisting of substituted or non-substituted phenyl group, substituted or non-substituted pyridyl group, substituted or non-substituted pyrimidyl group, and substituted or non-substituted triazinyl group.

5. The nitrogen-containing heterocyclic compound according to claim 1 , wherein the compound having the general formula (II) is one selected from a group consisting of:

6. The nitrogen-containing heterocyclic compound according to claim 1 , wherein the X in the compound having the general formula (III) is one selected from a group consisting of:
—O—, —S—, —NH—, —N(CH 3 )—,

—CH 2 —, —C(CH 3 ) 2 —, —CH(CH 3 )—,

—SiH 2 —, —Si(CH 3 ) 2 —, —SiH(CH 3 )—,

7. The nitrogen-containing heterocyclic compound according to claim 1 , wherein:
R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 and R 12 are all hydrogen.

8. The nitrogen-containing heterocyclic compound according to claim 1 , wherein the compound having the general formula (III) is one selected from a group consisting of:

9. The nitrogen-containing heterocyclic compound according to claim 1 , comprising one selected from a group consisting of:

Assignees

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

Inventors

• Ren Hongyang
• Wang Xiangcheng
• He Wei

Classifications

• C07F7/0816

  said ring comprising Si as a ring atom · CPC title

• H01L51/001

  Electricity · mapped topic

• C07D413/10

  linked by a carbon chain containing aromatic rings · CPC title

• C07D417/14

  containing three or more hetero rings · CPC title

• C07D413/14 Primary

  containing three or more hetero rings · CPC title