Polymer compound and light emitting element using same

Patent metadata

Field	Value
Publication number	US-9929347-B2
Application number	US-201314388095-A
Country	US
Kind code	B2
Filing date	Mar 26, 2013
Priority date	Mar 27, 2012
Publication date	Mar 27, 2018
Grant date	Mar 27, 2018

Abstract

A polymer compound is provided having constitutional units of formula (1) and formula (2), and a constitutional unit of formula (3) and/or (4′):

wherein Ar 1 to Ar 4 , Ar 20 , Ar 30 ′ and Ar 40 represent arylene groups or the like; Ar 5 to Ar 7 represent aryl groups or the like; Ar 8 represents (2+p)-valent aromatic hydrocarbon group or the like; Ar 10 represents (2+n)-valent aromatic hydrocarbon group or the like; R 1 represents alkyl group or the like; L a , L b , L g and L h represent alkylene groups or the like; L A and L D represent oxygen atoms or the like; Q 1 represents monovalent crosslinkable group; Q 2 ′ to Q 4 ′ represent monovalent crosslinkable groups or the like; x, y, c, nA and nD represent 0 or 1; p represents integer of 1 or greater; na and ng represent integer of 0 to 3; nb and nh represent integer of 0 to 12; and n represents integer of 1 to 4.

First claim

The invention claimed is:

1. A polymer compound comprising:
a constitutional unit represented by the following formula (1),
a constitutional unit represented by the following formula (2), and
at least one of a constitutional unit represented by the following formula (3) and a constitutional unit represented by the following formula (4′);

wherein Ar 1 and Ar 3 each independently represent an unsubstituted or substituted arylene group or an unsubstituted or substituted divalent heterocyclic group;
Ar 2 and Ar 4 each independently represent an unsubstituted or substituted arylene group, an unsubstituted or substituted divalent heterocyclic group, or a divalent group having two or more identical or different linked groups selected from arylene groups and divalent heterocyclic groups, wherein the divalent group can be substituted;
Ar 5 , Ar 6 and Ar 7 each independently represent a hydrogen atom, an unsubstituted or substituted alkyl group, an unsubstituted or substituted aryl group or an unsubstituted or substituted monovalent heterocyclic group;
Ar 1 , Ar 2 , Ar 3 , Ar 4 , Ar 5 , Ar 6 and Ar 7 can each be directly bonded to a group other than a group bonded to the nitrogen atom to which the group is bonded, and can be bonded via —O—, —S—, —C(═O)—, —C(═O)—O—, —N(R a )—, —C(═O)—N(R a )— or —C(R a ) 2 —;
R a represents a hydrogen atom, an unsubstituted or substituted alkyl group, an unsubstituted or substituted alkoxy group, an unsubstituted or substituted aryl group, a halogen atom, or an unsubstituted or substituted monovalent heterocyclic group;
when two R a are present, they can be the same or different;
x and y each independently represent 0 or 1, and x+y=1;

wherein Ar 8 represents a (2+p)-valent aromatic hydrocarbon group;
R 1 represents an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group, an alkenyl group, an alkynyl group, an amino group, a silyl group, a halogen atom, an acyl group, an acyloxy group, an oxycarbonyl group, a monovalent heterocyclic group, a heterocyclooxy group, a heterocyclothio group, an imine residue, an amide compound residue, an acid imide residue, a carboxyl group, a hydroxyl group, a nitro group or a cyano group;
when a plurality of R 1 are present, they can be the same or different:
at least one R 1 substitutes a hydrogen atom that is directly bonded to a carbon atom adjacent to the carbon atom forming a bond with another constitutional unit of the aromatic hydrocarbon group;

p represents an integer of 1 or greater;

wherein na represents an integer of 0 to 3, nb represents an integer of 0 to 12, nA represents 0 or 1 and n represents an integer of 1 to 4;
Ar 10 represents an unsubstituted or substituted (2+n)-valent aromatic hydrocarbon group or an unsubstituted or substituted (2+n)-valent heterocyclic group;
L a and L b each independently represent an unsubstituted or substituted alkylene group or an unsubstituted or substituted phenylene group;
when a plurality of L a are present they can be the same or different;
when a plurality of L b are present they can be the same or different;
L A represents an oxygen atom or a sulfur atom;
when a plurality of L A are present, they can be the same or different;
Q 1 represents a monovalent crosslinkable group selected from the group consisting of formula (Q-1), (Q-2), and (Q-01) to (Q-19);

wherein the benzocyclobutene ring in formula (Q-1) is optionally substituted;

wherein ne is 0 or 1;
nf is 0;
L X1 is an oxygen atom, a sulfur atom, a carbonyl group or —O—CO—;
R 21 , R 22 , R 23 , R 24 and R 25 each independently represent a hydrogen atom, an unsubstituted or substituted alkyl group, an unsubstituted or substituted alkoxy group, an unsubstituted or substituted alkylthio group, an unsubstituted or substituted aryl group, an unsubstituted or substituted aryloxy group, an unsubstituted or substituted arylthio group, an unsubstituted or substituted monovalent heterocyclic group, an unsubstituted or substituted amino group, an unsubstituted or substituted silyl group, an unsubstituted or substituted acyl group, an unsubstituted or substituted acyloxy group, a halogen atom, a cyano group or a nitro group;

wherein R X is a hydrogen atom, an unsubstituted or substituted alkyl group, an unsubstituted or substituted alkoxy group, an unsubstituted or substituted alkylthio group, an unsubstituted or substituted aryl group, an unsubstituted or substituted aryloxy group, an unsubstituted or substituted arylthio group, an unsubstituted or substituted amino group, an unsubstituted or substituted silyl group, a halogen atom, an acyl group, an acyloxy group, an imine group, a carbamoyl group, an acid imide group, an unsubstituted or substituted monovalent heterocyclic group, an unsubstituted or substituted carboxyl group, a cyano group or a nitro group;
when a plurality of R X are present, each R X can be the same or different;
R N is a hydrogen atom, an unsubstituted or substituted alkyl group, an unsubstituted or substituted acyl group, an unsubstituted or substituted aryl group, or an unsubstituted or substituted monovalent heterocyclic group;
* indicates a bonding site;
when a plurality of Q 1 are present, they can be the same or different;

the constitutional unit represented by formula (3) is different from the constitutional unit represented by formula (2);

wherein c represents 0 or 1, and d represents an integer of 0 to 4,
Ar 20 and Ar 40 each independently represent an unsubstituted or substituted arylene group or an unsubstituted or substituted divalent heterocyclic group, and Ar 30′ represents an unsubstituted or substituted (2+d)-valent aromatic hydrocarbon group, an unsubstituted or substituted (2+d)-valent heterocyclic group, or a (2+d)-valent group having a structure in which two or more identical or different rings selected from among aromatic rings and heterocyclic rings are linked, where the (2+d)-valent group can be substituted;
Q 2 ′, Q 3 ′ and Q 4 ′ represent a monovalent crosslinkable group, an unsubstituted or substituted alkyl group, an unsubstituted or substituted aryl group, or an unsubstituted or substituted monovalent heterocyclic group, with the proviso that at least one of Q 2 ′, Q 3 ′ and Q 4 ′ is a monovalent crosslinkable group;
when a plurality of Q 4 ′ are present, they can be the same or different;
na represents an integer of 0 to 3, nb represents an integer of 0 to 12, and nA represents 0 or 1;
L a and L b each independently represent an unsubstituted or substituted alkylene group or an unsubstituted or substituted phenylene group;
when a plurality of L a are present, they can be the same or different;

Assignees

• Sumitomo Chemical Co
• Cambridge Display Tech Ltd

Inventors

• Sekine Chizu
• Mikami Satoshi
• Anryu Makoto
• Kakimoto Hidenobu
• Steudel Annette Regine
• Humphries Martin John
• Kamtekar Kiran Timothy
• GARCIA Elena Hojas
• Heidenhain Sophie
• Pegington Ruth

Classifications

• C07C211/54

  having amino groups bound to two or three six-membered aromatic rings · CPC title

• C07C25/24

  Halogenated aromatic hydrocarbons with unsaturated side chains · CPC title

• C08G2261/3142

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

• C09K2211/1433

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

• C07C211/61

  with at least one of the condensed ring systems formed by three or more rings · CPC title