Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device

Patent metadata

Field	Value
Publication number	US-10211404-B2
Application number	US-201515114254-A
Country	US
Kind code	B2
Filing date	Jan 29, 2015
Priority date	Jan 31, 2014
Publication date	Feb 19, 2019
Grant date	Feb 19, 2019

Abstract

A high-performance organic electroluminescence device and an electronic equipment provided with the organic electroluminescence device are provided. Also, a compound for achieving the organic electroluminescence device and the electronic equipment is provided. Specifically, a compound having a specific structure having a triphenylene skeleton, an organic electroluminescence device using the compound and an electronic equipment provided with the organic electroluminescence device are provided.

First claim

The invention claimed is:

1. A compound represented by the following general formula

wherein in the general formula (1), R 1 to R 12 are each independently a hydrogen atom or a substituent selected from the group consisting of a cycloalkyl group having 3 to 50 ring carbon atoms, an aryl group having 6 to 50 ring carbon atoms, an aralkyl group having 7 to 51 carbon atoms which has an aryl group having 6 to 50 ring carbon atoms, an amino group, a mono-substituted or di-substituted amino group which has a substituent selected from an alkyl group having 1 to 50 carbon atoms and an aryl group having 6 to 50 ring carbon atoms, an alkoxy group which has an alkyl group having 1 to 50 carbon atoms, an aryloxy group which has an aryl group having 6 to 50 ring carbon atoms, a mono-substituted, di-substituted or tri-substituted silyl group which has a substituent selected from an alkyl group having 1 to 50 carbon atoms and an aryl group having 6 to 50 ring carbon atoms, a haloalkyl group having 1 to 50 carbon atoms, a halogen atom, a cyano group, a nitro group, a sulfonyl group which has a substituent selected from an alkyl group having 1 to 50 carbon atoms, an alkylsulfonyloxy group, an arylsulfonyloxy group, an alkylcarbonyloxy group, an arylcarbonyloxy group, a boron-containing group, a zinc-containing group, a tin-containing group, a silicon-containing group, a magnesium-containing group, a lithium-containing group, a hydroxy group, an alkyl-substituted or aryl-substituted carbonyl group, a carboxyl group, a vinyl group, a (meth)acryloyl group, an epoxy group and an oxetanyl group,
and at least a pair selected from R 1 and R 2 , R 2 and R 3 , R 3 and R 4 , R 5 and R 6 , R 6 and R 7 , R 7 and R 8 , R 9 and R 10 , R 10 and R 11 and R 11 and R 12 may combine to form a ring,
provided that one of R 3 or R 4 is a group represented by the following general formula (2);

wherein in the general formula (2),
X represents an oxygen atom, a sulfur atom or a selenium atom,
L 1 is a direct bond, a substituted or unsubstituted arylene group having 6 to 60 ring carbon atoms or a substituted or unsubstituted heteroarylene group having 5 to 60 ring atoms,
Ar 1 and Ar 2 are each independently a substituted or unsubstituted aryl group having 6 to 60 ring carbon atoms or a heteroaryl group having 5 to 60 ring atoms, and Ar 1 and Ar 2 may combine to form a ring.

2. The compound according to claim 1 , which is represented by the following general formula (1-i) or (1-ii):

wherein in the general formulae (1-i) and (1-ii), at least a pair selected from R 1 and R 2 , R 5 and R 6 , R 6 and R 7 , R 7 and R 8 , R 9 and R 10 , R 10 and R 11 and R 11 and R 12 in the general formula (1-i) combine to form a ring, at least a pair selected from R 1 and R 2 , R 2 and R 3 , R 5 and R 6 , R 6 and R 7 , R 7 and R 8 , R 9 and R 10 , R 10 and R 11 and R 11 and R 12 in the general formula (1-ii) combine to form a ring, and the remaining of R 1 to R 12 , and X, L 1 , Ar 1 and Ar 2 are as defined in claim 1 .

3. The compound according to claim 1 , wherein the pair in R 1 to R 12 combine to form a ring, and the ring is a substituted or unsubstituted aromatic ring or a substituted or unsubstituted heteroaromatic ring.

4. The compound according to claim 1 , wherein the pair in R 1 to R 12 combine to form a ring, and the ring is formed by the following partial structure:

wherein R A1 to R A4 are each independently a hydrogen atom or a substituent, and * represents a binding site to a carbon atom.

5. The compound according to claim 1 , which is represented by the following general formula (1-1) or (1-2):

wherein in the general formula (1-1), one of R 3 or R 4 is a group represented by the general formula (2), and R 13 to R 16 are each independently a hydrogen atom or a substituent the same as R 1 to R 12 that are not represented by the general formula (2), and at least a pair selected from R 5 and R 6 , R 6 and R 7 , R 7 and R 8 , R 9 and R 10 , R 10 and R 11 , R 11 and R 12 , R 13 and R 14 , R 14 and R 15 and R 15 and R 16 in the general formula (1-1′) may combine to form a ring, and
in the general formula (1-2), is a group represented by the general formula (2), and R 17 to R 20 are each independently a hydrogen atom or a substituent the same as R 1 to R 12 that are not represented by the general formula (2), and at least a pair selected from R 1 and R 17 , R 17 and R 18 , R 18 and R 19 , R 19 and R 20 , R 5 and R 6 , R 6 and R 7 , R 7 and R 8 , R 9 and R 10 , R 10 and R 11 and R 11 and R 12 in the general formula (1-2′) may combine to form a ring.

6. The compound according to claim 5 , which is represented by the following general formula (1-1′) or (1-2′):

wherein in the general formulae (1-1′) and (1-2′), X represents an oxygen atom, a sulfur atom or a selenium atom, L 1 is a direct bond, a substituted or unsubstituted arylene group having 6 to 60 ring carbon atoms or a substituted or unsubstituted heteroarylene group having 5 to 60 ring atoms, Ar 1 and Ar 2 are each independently a substituted or unsubstituted aryl group having 6 to 60 ring carbon atoms or a heteroaryl group having 5 to 60 ring atoms, and Ar 1 and Ar 2 may combine to form a ring, provided that at least a pair selected from R 5 and R 6 , R 6 and R 7 , R 7 and R 8 , R 9 and R 10 , R 10 and R 11 , R 11 and R 12 , R 13 and R 14 , R 14 and R 15 and R 15 and R 16 in the general formula (1-1′) may combine to form a ring and that at least a pair selected from R 1 and R 17 , R 17 and R 18 , R 18 and R 19 , R 19 and R 20 , R 5 and R 6 , R 6 and R 7 , R 7 and R 8 , R 9 and R 10 , R 10 and R 11 and R 11 and R 12 in the general formula (1-2′) may combine to form a ring.

7. The compound according to claim 6 , wherein R 1 and R 4 to R 20 in the general formulae (1-1′) and (1-2′) are all independent from each other and do not combine to form a ring.

8. The compound according to claim 6 , which is represented by the following general formula (1-1″) or (1-2″):

wherein in the general formulae (1-1″) and (1-2″), X represents an oxygen atom, a sulfur atom or a selenium atom, L 1 is a direct bond, a substituted or unsubstituted arylene group having 6 to 60 ring carbon atoms or a substituted or unsubstituted heteroarylene group having 5 to 60 ring atoms, and Ar 1 and Ar 2 are each independently a substituted or unsubstituted aryl group having 6 to 60 ring carbon atoms or a heteroaryl group having 5 to 60 ring atoms, and Ar 1 and Ar 2 may combine to form a ring.

9. The compound according to claim 1 , wherein at least one of Ar 1 and Ar 2 is a substituted or unsubstituted aryl group having 6 to 60 ring carbon atoms.

10. The compound according to claim 9 , wherein Ar 1 and Ar 2 are both a substituted or unsubstituted aryl group having 6 to 60 ring carbon atoms.

11. The compound according to claim 10 ,

Assignees

• Idemitsu Kosan Co

Inventors

• Kawamura Masahiro
• Mizuki Yumiko
• Ito Hirokatsu
• HAYAMA Tomoharu
• Haketa Tasuku

Classifications

• C09K2211/1092

  containing sulfur as the only heteroatom · CPC title

• C09K2211/1088

  containing oxygen as the only heteroatom · CPC title

• C09K2211/1044

  containing two nitrogen atoms as heteroatoms · CPC title

• C09K2211/1011

  Condensed systems · CPC title

• C07F9/64

  Acridine or hydrogenated acridine ring systems · CPC title