Platinum complex compound and organic electroluminescence device using the same

Patent metadata

Field	Value
Publication number	US-10374175-B2
Application number	US-201514969162-A
Country	US
Kind code	B2
Filing date	Dec 15, 2015
Priority date	Dec 14, 2007
Publication date	Aug 6, 2019
Grant date	Aug 6, 2019

Abstract

A compound is represented by the following formula (I):

wherein each of Ar 1 and Ar 2 independently represents an aromatic ring or an aromatic heterocyclic ring; each of R 1 , R 2 , R 3 and R 4 independently represents a hydrogen atom or a substituent; each of Z 1 and Z 2 independently represents a carbon atom or a nitrogen atom; each of ring Q 1 containing a carbon atom and Z 1 , and ring Q 2 containing a carbon atom and Z 2 independently represents an aromatic ring or an aromatic heterocyclic ring; and A 1 represents a single bond or a divalent linking group.

First claim

What is claimed is:

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

wherein
each of ring Q 5 containing Z 15 , Z 17 and Z 19 , and ring Q 6 containing Z 16 , Z 18 and Z 20 , independently represents a 5- or 6-membered aromatic ring or aromatic heterocyclic ring;
each of Z 15 , Z 16 , Z 17 , Z 18 , Z 19 and Z 20 , independently represents a carbon atom or a nitrogen atom;
each of a bond for bonding Z 15 to Z 17 , a bond for bonding Z 15 to Z 19 , a bond for bonding Z 16 to Z 18 , and a bond for bonding Z 16 to Z 20 independently represents a single bond or a double bond, provided that when Z 15 represents a nitrogen atom, each of the bond for bonding Z 15 to Z 17 and the bond for bonding Z 15 to Z 19 represents a single bond, and when Z 16 represents a nitrogen atom, each of the bond for bonding Z 16 to Z 18 and the bond for bonding Z 16 to Z 20 represents a single bond;
Z 17 , Z 18 , Z 19 and Z 20 do not have a substituent;
each of ring Q 3 containing a carbon atom, Z 11 and Z 13 , and ring Q 4 containing a carbon atom, Z 12 and Z 14 , independently represents an aromatic ring or an aromatic heterocyclic ring;
each of Z 13 and Z 14 independently represents a carbon atom or a nitrogen atom;
each of Z 11 and Z 12 independently represents a carbon atom;
each of a bond for bonding Z 11 to the carbon atom coordinating to Pt contained in ring Q 3 , a bond for bonding Z 11 to Z 13 , a bond for bonding Z 12 to the carbon atom coordinating to Pt contained in ring Q 4 , and a bond for bonding Z 12 to Z 14 independently represents a single bond or a double bond,
Z 13 and Z 14 do not have a substituent;
each of R 11 , R 12 , R 13 and R 14 independently represents a hydrogen atom or a substituent; and
A 2 represents a single bond or a divalent linking group.

2. The compound as claimed in claim 1 , wherein the formula (II) is represented by the following formula (III):

wherein
each of Z 25 and Z 26 represents a carbon atom;
each of Z 27 , Z 28 , Z 29 , Z 30 , Z 31 , Z 32 , Z 33 , Z 34 , Z 35 and Z 36 independently represents a carbon atom or a nitrogen atom;
Z 27 , Z 28 , Z 29 and Z 30 do not have a substituent;
each of Z 23 and Z 24 independently represents a carbon atom or a nitrogen atom;
each of Z 21 and Z 22 independently represents a carbon atom;
each of ring Q 7 containing a carbon atom, Z 21 and Z 23 , and ring Q 8 containing a carbon atom, Z 22 and Z 24 independently represents an aromatic ring or an aromatic heterocyclic ring;
each of a bond for bonding Z 21 to the carbon atom coordinating to Pt contained in ring Q 7 , a bond for bonding Z 21 to Z 23 , a bond for bonding Z 22 to the carbon atom coordinating to Pt contained in ring Q 8 , and a bond for bonding Z 22 to Z 24 independently represents a single bond or a double bond;
Z 23 and Z 24 do not have a substituent;
each of R 21 , R 22 , R 23 and R 24 independently represents a hydrogen atom or a substituent; and
A 3 represents a single bond or a divalent linking group.

3. The compound as claimed in claim 2 , wherein the formula (III) is represented by the following formula (IV):

wherein
each of Z 43 and Z 44 independently represents a carbon atom or a nitrogen atom;
each of Z 41 and Z 42 independently represents a carbon atom;
each of ring Q 9 containing a carbon atom, Z 41 and Z 43 , and ring Q 10 containing a carbon atom, Z 42 and Z 44 , independently represents an aromatic ring or an aromatic heterocyclic ring;
each of a bond for bonding Z 41 to the carbon atom coordinating to Pt contained in ring Q 9 , a bond for bonding Z 41 to Z 43 , a bond for bonding Z 42 to the carbon atom coordinating to Pt contained in ring Q 10 , and a bond for bonding Z 42 to Z 44 independently represents a single bond or a double bond;
Z 43 and Z 44 do not have a substituent;
each of R 31 , R 32 , R 33 , R 34 , R 35 , R 36 , R 37 , R 38 , R 39 and R 40 independently represents a hydrogen atom or a substituent; and
A 4 represents a single bond or a divalent linking group.

4. The compound as claimed in claim 3 , wherein the formula (IV) is represented by the following formula (V):

wherein each of R 41 , R 42 , R 43 , R 44 , R 45 , R 46 , R 47 , R 48 , R 49 , R 50 , R 51 , R 52 , R 53 , R 54 , R 55 and R 56 independently represents a hydrogen atom or a substituent; and
A 5 represents a single bond or a divalent linking group.

5. The compound as claimed in claim 1 , wherein the formula (II) is represented by the following formula (VII):

wherein each of Z 55 , Z 56 , Z 57 , Z 58 , Z 59 , Z 60 , Z 61 and Z 62 independently represents a carbon atom or a nitrogen atom;
Z 55 , Z 56 , Z 61 and Z 62 do not have a substituent;
each of Z 53 and Z 54 independently represents a carbon atom or a nitrogen atom;
each of Z 51 and Z 52 independently represents a carbon atom
each of ring Q 11 containing a carbon atom, Z 51 and Z 53 , and ring Q 12 containing a carbon atom, Z 52 and Z 54 , independently represents an aromatic ring or an aromatic heterocyclic ring;
each of a bond for bonding Z 51 to the carbon atom coordinating to Pt contained in ring Q 11 , a bond for bonding Z 51 to Z 53 , a bond for bonding Z 52 to the carbon atom coordinating to Pt contained in ring Q 12 , and a bond for bonding Z 52 to Z 54 independently represents a single bond or a double bond;
Z 53 and Z 54 do not have a substituent;
each of R 111 , R 112 , R 113 and R 114 independently represents a hydrogen atom or a substituent; and
A 7 represents a single bond or a divalent linking group.

6. The compound as claimed in claim 5 , wherein the formula (VII) is represented by the following formula (VIII):

wherein each of Z 73 and Z 74 independently represents a carbon atom or a nitrogen atom;
each of Z 71 and Z 72 independently represents a carbon atom;
each of ring Q 13 containing a carbon atom, Z 71 and Z 73 , and ring Q 14 containing a carbon atom, Z 72 and Z 74 , independently represents an aromatic ring or an aromatic heterocyclic ring;
each of a bond for bonding Z 71 to the carbon atom coordinating to Pt contained in ring Q 13 , a bond for bonding Z 71 to Z 73 , a bond for bonding Z 72 to the carbon atom coordinating to Pt contained in ring Q 14 , and a bond for bonding Z 72 to Z 74 independently represents a single bond or a double bond;
Z 73 and Z 74 do not have a substituent;
each of R 121 , R 122 , R 123 , R 124 , R 125 , R 126 , R 127 and R 128 independently represents a hydrogen atom or a substituent; and
As represents a single bond or a divalent linking group.

7. The compound as claimed in claim 6 , wherein the formula (VIII) is represented by the following formula (IX):

Assignees

• UDC Ireland
• Udc Ireland Ltd

Inventors

• Kinoshita Ikuo
• Murakami Takeshi
• Igarashi Tatsuya

Classifications

• C09K2211/185

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

• C09K2211/1029

  containing one nitrogen atom as the heteroatom · CPC title

• C09K11/025

  non-luminescent particle coatings or suspension media · CPC title

• C09K2211/1044

  containing two nitrogen atoms as heteroatoms · CPC title

• C09K11/06

  containing organic luminescent materials · CPC title