Electroluminescent composition and electric device with high brightness

Patent metadata

Field	Value
Publication number	US-9601696-B2
Application number	US-201114008043-A
Country	US
Kind code	B2
Filing date	Dec 22, 2011
Priority date	Mar 28, 2011
Publication date	Mar 21, 2017
Grant date	Mar 21, 2017

Abstract

The present invention is to provide a composition that can provide an electroluminescent device emitting light with high brightness. The present invention provides following: a composition including a polymer compound comprising one or more structural unit(s) selected from the group consisting of a structural unit represented by Formula (1), a structural unit represented by Formula (3), a structural unit represented by Formula (5), a structural unit represented by Formula (16), a structural unit represented by Formula (18), a structural unit represented by Formula (20), and a structural unit represented by Formula (22) and an ionic compound represented by Formula (23); an organic film and an electric device comprising the composition.

First claim

What is claimed is:

1. A composition comprising:
a polymer compound comprising one or more structural unit(s) selected from the group consisting of a structural unit represented by Formula (16), a structural unit represented by Formula (18), a structural unit represented by Formula (20), and a structural unit represented by Formula (22); and
an ionic compound represented by Formula (23);

wherein the structural unit represented by Formula (16) is:

wherein:
R 7 is a monovalent group comprising a group represented by Formula (17);
Ar 4 is a (2+n7)-valent aromatic group that optionally has a substituent other than R 7 ;
n7 is an integer of 1 or more;
when a plurality of R 7 are present, each R 7 may be the same as or different from each other; and
wherein the structural unit represented by Formula (17) is:

wherein:
R 8 is a (1+m4+m5)-valent organic group;
Q 1 is a divalent organic group;
Q 3 is a divalent organic group;
Y 1 is —CO 2 − , —SO 3 − , —SO 2 − , PO 3 2− , OR —B(R α ) 3 − ;
R α is an alkyl group having 1 to 30 carbon atoms that optionally have a substituent or an aryl group having 6 to 50 carbon atoms that optionally has a substituent;
each R α may be the same as or different from each other;
M 1 is a metallic cation or an ammonium cation that optionally has a substituent;
Y 3 is a cyano group or a group represented by either of Formulas (7) to (15);
n2 is an integer of 0 or more;
a1 is an integer of 1 or more and is selected so that the charge of the group represented by Formula (17) is zero;
n6 is an integer of 0 or more;
m4 and m5 are each independently an integer of 1 or more;
when a plurality of Q 1 are present, each Q 1 may be the same as or different from each other;
when a plurality of Q 3 are present, each Q 3 may be the same as or different from each other;
when a plurality of Y 1 are present, each Y 1 may be the same as or different from each other;
when a plurality of M 1 are present, each M 1 may be the same as or different from each other;
when a plurality of Y 3 are present, each Y 3 may be the same as or different from each other;
when a plurality of n2 are present, each n2 may be the same as or different from each other;
when a plurality of a1 are present, each a1 may be the same as or different from each other; and
when a plurality of n6 are present, each n6 may be the same as or different from each other;
wherein Formulas (7) to (15) are:
—O—(R′O) a3 —R″  (7)

—S—(R′S) a4 —R″  (9)

—C(═O)—(R′—C(═O)) a4 —R″  (10)

—C(═S)—(R′—C(═S)) a4 —R″  (11)

—N{(R′) a4 —R″} 2   (12)

—C(═O)O—(R′—C(═O)O) a4 —R″  (13)

—C(═O)O—(R′O) a4 —R″  (14)

—NHC(═O)—(R′NHC(═O)) a4 —R″  (15)

wherein:
R′ is a divalent hydrocarbon group that optionally has a substituent;
R″ is a hydrogen atom, a monovalent hydrocarbon group that optionally has a substituent, a carboxyl group, a sulfo group, a hydroxyl group, a mercapto group, —NR C 2 , a cyano group, or —C(═O)NR C 2 ;
R′″ is a trivalent hydrocarbon group that optionally has a substituent;
a3 is an integer of 1 or more;
a4 is an integer of 0 or more;
R c is an alkyl group having 1 to 30 carbon atoms that optionally has a substituent or an aryl group having 6 to 50 carbon atoms that optionally has a substituent;
each R c may be the same as or different from each other;
when a plurality of R′ are present, each R′ may be the same as or different from each other;
when a plurality of R″ are present, each R″ may be the same as or different from each other; and
when a plurality of a4 are present, each a4 may be the same as or different from each other;

wherein the structural unit represented by Formula (18) is:

wherein:
R 9 is a monovalent group comprising a group represented by Formula (19);
Ar 5 is a (2+n8)-valent aromatic group that optionally has a substituent other than R 9 ;
n8 is an integer of 1 or more;
when a plurality of R 9 are present, each R 9 may be the same as or different from each other; and
wherein the group represented by Formula (19) is:

wherein:
R 10 is a (1+m6+m7)-valent organic group;
Q 3 , and n6 are the same as the corresponding definitions above;
Q 2 is a divalent organic group;
Y 2 is a carbocation, an ammonium cation, a phosphonium cation, a sulfonium cation, or an iodonium cation;
M 2 is F − , Cl − , Br − , I − , OH − , B(R b ) 4 − , R b SO 3 − , R b COO − , ClO − , ClO 2 − , ClO 3 − , ClO 4 − , SCN − , CN − , NO 3 − , HSO 4 − , H 2 PO 4 − , BF 4 − , or PF 6 − ;
R b is an alkyl group having 1 to 30 carbon atoms that optionally has a substituent or an aryl group having 6 to 50 carbon atoms that optionally has a substituent;
when a plurality of R b are present, and each R b may be the same as or different from each other;
n4 is an integer of 0 or more;
a2 is 1;
m6 and m7 are each independently an integer of 1 or more; and
when a plurality of Q 2 are present, each Q 2 may be the same as or different from each other;
when a plurality of Q 3 are present, each Q 3 may be the same as or different from each other;
when a plurality of Y 2 are present, each Y 2 may be the same as or different from each other;
when a plurality of M 2 are present, each M 2 may be the same as or different from each other;
when a plurality of Y 3 are present, each Y 3 may be the same as or different from each other;
when a plurality of n4 are present, each n4 may be the same as or different from each other; and
when a plurality of n6 are present, each n6 may be the same as or different from each other;

wherein the structural unit represented by Formula (20) is:

wherein:
R 11 is a monovalent group comprising a group represented by Formula (2) or a group represented by Formula (17);
R 12 is a monovalent group comprising a group represented by Formula (21);
Ar 6 is a (2+n9+n10)-valent aromatic group that optionally has a substituent other than either R 11 or R 12 ;
n9 and n10 are each independently an integer of 1 or more; and
when a plurality of R 11 are present, each R 11 may be the same as or different from each other;
when a plurality of R 12 are present, each R 12 may be the same as or different from each other; and
wherein the group represented by Formula (21) is:
—R 13 -{(Q 3 ) n6 -Y 3 } m8   (21)

wherein:
R 13 is a single bond or a (1+m8)-valent organic group;
Q 3 , Y 3 , and n6 are the same as the corresponding definitions above;
m8 is an integer of 1 or more, and when R 13 is a single bond, m8 is 1;
when a plurality of Q 3 are present, each Q 3 may be the same as or different from each other;
when a plurality of Y 3 are present, each Y 3 may be the same as or

Assignees

• Tanaka Masanobu
• Ishikawa Rui
• Iijima Takayuki
• Horie Kensaku
• Sakakibara Ken
• Sumitomo Chemical Co

Inventors

• Tanaka Masanobu
• Ishikawa Rui
• Iijima Takayuki
• Horie Kensaku
• Sakakibara Ken

Classifications

• C08K5/098

  Metal salts of carboxylic acids · CPC title

• C08G2261/3142

  fluorene-based, e.g. fluorene, indenofluorene, or spirobifluorene · CPC title

• C08G2261/52

  Luminescence · CPC title

• C08G2261/314

  Condensed aromatic systems, e.g. perylene, anthracene or pyrene · CPC title

• C09K2211/1433

  bridged by heteroatoms, e.g. N, P, Si or B · CPC title