Compound, organic electroluminescent device material, organic electroluminescent device, and electronic equipment

Patent metadata

Field	Value
Publication number	US-2017005274-A1
Application number	US-201515107300-A
Country	US
Kind code	A1
Filing date	Aug 14, 2015
Priority date	Aug 15, 2014
Publication date	Jan 5, 2017
Grant date	—

Abstract

Disclosed are a compound having, as a main skeleton, a polycyclic structure represented by the following general formula (1), a material for organic electroluminescence devices including the compound, an organic electroluminescence device using the compound, and electronic equipment having the organic electroluminescence device mounted thereon. A compound capable of realizing an organic EL device with high emission efficiency, a material for organic electroluminescence devices including the compound, an organic electroluminescence device using the compound, and electronic equipment having the organic electroluminescence device mounted thereon, are provided.

In the formula (1), A, L, X 1 to X 16 , R, R A , and R B are those defined in the specification.

First claim

1 . A compound represented by the following general formula (1):

wherein,
in the general formula (1), A is a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms or a substituted or unsubstituted heteroaryl group having 3 to 50 ring atoms;
L is a single bond, a substituted or unsubstituted arylene group having 6 to 60 ring carbon atoms, or a substituted or unsubstituted heteroarylene group having 3 to 50 ring atoms;
two selected from X 1 to X 4 are a carbon atom bonding to * 1 or * 2 , respectively, and the other two of X 1 to X 4 are each independently C(R) or a nitrogen atom;
two selected from X 9 to X 12 are a carbon atom bonding to *3 or *4, respectively, and the other two of X 9 to X 12 are each independently C(R) or a nitrogen atom;
X 5 to X 8 and X 13 to X 16 are each independently C(R) or a nitrogen atom,
Rs are each independently a hydrogen atom or a substituent, plural Rs may be the same as or different from every other R, and two selected from plural Rs may be bonded to each other to form a ring; and
R A and R B are each independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, a substituted or unsubstituted heteroaryl group having 3 to 50 ring atoms, a halogen atom, a mono-substituted, di-substituted, or tri-substituted silyl group having 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 substituted or unsubstituted alkoxy group having 1 to 20 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 50 ring carbon atoms, or a cyano group, R A and R B may be the same as or different from each other, and R A and R B may be bonded to each other to form a ring.

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

wherein,
in the general formula (2), A, L, R A , and R B are the same as those described regarding the general formula (1) of claim 1 ,
two groups selected from R 1 to R 4 split off, the carbon atoms bonded to the subject groups bond to * 11 or * 12 , and the other two of R 1 to R 4 are each independently a hydrogen atom or a substituent;
two groups selected from R 9 to R 12 split off, the carbon atoms bonded to the subject groups bond to * 13 or * 14 , and the other two of R 9 to R 12 are each independently a hydrogen atom or a substituent; and
R 5 to R 8 and R 13 to R 16 are each independently a hydrogen atom or a substituent and may be the same as or different from each other,
provided that two selected from R 1 to R 16 which do not take part in the bonding to * 11 to * 14 may be bonded to each other to form a ring.

3 . The compound according to claim 1 , which is represented by the following general formula (3):

wherein,
in the general formula (3), A, L, R A , and R B are the same as those described regarding the general formula (1) of claim 1 ,
two groups selected from R 1 to R 4 split off, the carbon atoms bonded to the subject groups bond to * 11 or * 12 , and the other two of R 1 to R 4 are a hydrogen atom; and
two groups selected from R 9 to R 12 split off, the carbon atoms bonded to the subject groups bond to * 13 or * 14 , and the other two of R 9 to R 12 are a hydrogen atom.

4 . The compound according to claim 2 , wherein in the general formula (2) or (3), two groups selected from R 1 and R 2 , R 2 and R 3 , and R 3 and R 4 split off, the carbon atoms bonded to the subject groups bond to * 11 or * 12 ; and that two groups selected from R 9 and R 10 , R 10 and R 11 , and R 11 and R 12 split off, the carbon atom bonded to the subject groups bond to * 13 or * 14 .

5 . The compound according to claim 2 , which is represented by any one of the following general formulae (2-1) to (2-36):

wherein,
in the general formulae (2-1) to (2-36), A, L, R A , and R B are the same as those described regarding the general formula (2) of claim 2 ; and
R 1 to R 16 and * 11 to * 14 are the same as those described regarding the general formula (2) of claim 2 .

6 . The compound according to claim 5 , which is represented by any one of the general formulae (2-2), (2-3), (2-4), (2-6), (2-7), (2-8), (2-9), (2-10), (2-11), (2-12), (2-13), (2-14), (2-15), (2-16), (2-17), (2-18), (2-19), (2-21), (2-23), (2-24), (2-25), (2-26), (2-27), (2-28), (2-29), (2-30), (2-31), (2-32), (2-33), (2-34), (2-35), and (2-36).

7 . The compound according to claim 5 , which is represented by any one of the general formulae (2-7), (2-9), (2-11), (2-12), (2-14), (2-15), (2-16), (2-18), (2-26), (2-27), (2-28), (2-30), (2-31), (2-33), (2-35), and (2-36).

8 . The compound according to claim 1 , wherein A is a substituted or unsubstituted aryl group having 6 to 24 ring carbon atoms or a substituted or unsubstituted heteroaryl group having 3 to 24 ring atoms and containing a nitrogen atom, an oxygen atom, or a sulfur atom.

9 . The compound according to claim 1 , wherein A is a substituted or unsubstituted fused aryl group.

10 . The compound according to claim 9 , wherein the fused aryl group is a monovalent residual group of a compound represented by any one of the following general formulae (a1-1) to (a1-6):

wherein,
in the general formulae (a1-1) to (a1-5), each of Ar 1 to Ar 7 independently forms a ring structure having 6 to 18 ring carbon atoms together with two carbon atoms expressed by a and b, or c and d, in each of the formulae; and
in the general formula (a1-6), Ar 8 forms a ring structure having 6 to 18 ring carbon atoms together with three carbon atoms expressed by a, b, and c in the formula, and Ar 9 forms a ring structure having 6 to 18 ring carbon atoms together with four carbon atoms expressed by b, c, d, and e in the formula,
provided that the carbon atoms bonding to the hydrogen atoms in the structures in the general formula (a1-1) to (a1-6) may be substituted with the aforementioned substituents in place of the hydrogen atoms.

11 . The compound according to claim 1 , wherein A is a monovalent residual group of a compound represented by the following general formula (a2):

Assignees

• Idemitsu Kosan Co

Inventors

• Kudo Yu
• Yoshida Kei
• Kawamura Masahiro
• Mizuki Yumiko
• Ito Hirokatsu
• Haketa Tasuku
• HAYAMA Tomoharu

Classifications

• C09K2211/1029

  containing one nitrogen atom as the heteroatom · CPC title

• C09K11/06

  containing organic luminescent materials · CPC title

• C09K11/025

  non-luminescent particle coatings or suspension media · CPC title

• C09K2211/185

  of the platinum group, i.e. Os, Ir, Pt, Ru, Rh or Pd · CPC title

• C09K2211/1007

  Non-condensed systems · CPC title