Polymer compound and light emitting device using the same

Patent metadata

Field	Value
Publication number	US-9530966-B2
Application number	US-201414772434-A
Country	US
Kind code	B2
Filing date	Mar 14, 2014
Priority date	Mar 28, 2013
Publication date	Dec 27, 2016
Grant date	Dec 27, 2016

Abstract

A polymer compound comprising a constituent unit represented by the formula (1′) and a constituent unit having a mono-valent cross-linkable group:

wherein R 1′ to R 4′ represent an alkyl group, an alkoxy group, an aryl group, an aryloxy group, a mono-valent heterocyclic group, R 5 to R 10 represent a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, an aryloxy group, a mono-valent heterocyclic group, R A and R B represent a hydrogen atom, an alkyl group, an aryl group, a mono-valent heterocyclic group, and Ar 1 and Ar 2 represent an arylene group, a di-valent heterocyclic group.

First claim

The invention claimed is:

1. A polymer compound comprising a constituent unit represented by the following formula (1′), a constituent unit represented by the following formula (2-A) and a constituent unit represented by the following formula (2-B):

wherein
R 1′ , R 2′ , R 3′ and R 4′ represent each independently an alkyl group, an alkoxy group, an aryl group, an aryloxy group or a mono-valent heterocyclic group and these groups may have a substituent,
R 5 , R 6 , R 7 , R 8 , R 9 and R 10 represent each independently a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, an aryloxy group or a mono-valent heterocyclic group and these groups may have a substituent,
R A and R B represent each independently a hydrogen atom, an alkyl group, an aryl group or a mono-valent heterocyclic group and these groups may have a substituent,
Ar 1 and Ar 2 represent each independently an arylene group or a di-valent heterocyclic group and these groups may have a substituent,
R 1′ and R 3′ may be mutually linked to form a ring structure together with carbon atoms to which they are linked, R 2′ and R 4′ may be mutually linked to form a ring structure together with carbon atoms to which they are linked, R 1′ and R 2′ may be mutually linked to form a ring structure together with a carbon atom to which they are linked, R 3′ and R 4′ may be mutually linked to form a ring structure together with a carbon atom to which they are linked, adjacent groups of R 6 , R 7 , R 8 and R 9 may be mutually linked to form a ring structure together with carbon atoms to which they are linked,
Ar 1 and R A may be mutually linked to form a ring structure together with a nitrogen atom to which they are linked, Ar 2 and R B may be mutually linked to form a ring structure together with a nitrogen atom to which they are linked:

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 1 or 2,
Ar 3 represents a (2+n)-valent aromatic hydrocarbon group or a (2+n)-valent heterocyclic group and these groups may have a substituent,
L a and L b represent each independently a methylene group or a phenylenediyl group and these groups may have a substituent, when there exist a plurality of L a , these may be the same or different, when there exist a plurality of L b , these may be the same or different,
L A represents an oxygen atom or a sulfur atom, when there exist a plurality of L A , these may be the same or different,
X represents a mono-valent cross-linkable group represented by the formula (1-m), (1-m′), (1-D) or (1-D′) selected from the following Group A of cross-linkable group, when there exist a plurality of X, these may be the same or different:

wherein
na′ represents an integer of 1 to 3, nb′ represents an integer of 1 to 12, nA′ represents 0 or 1 and n′ represents 1 or 2,
Ar 3′ represents a (2+n′)-valent aromatic hydrocarbon group or a (2+n′)-valent heterocyclic group and these groups may have a substituent,
L a′ and L b′ represent a methylene group and this methylene group may have a substituent, when there exist a plurality of L a′ , these may be the same or different, when there exist a plurality of L b′ , these may be the same or different,
L A′ represents an oxygen atom or a sulfur atom, when there exist a plurality of L A′ , these may be the same or different,
X′″ represents a mono-valent cross-linkable group represented by the formula (1-a), (1-v), (1-w) or (1-x) selected from the following Group A of cross-linkable group, when there exist a plurality of X′″, these may be the same or different:
(Group A of cross-linkable group)

wherein the cross-linkable group may have a substituent, and * represents a linkage position.

2. The polymer compound according to claim 1 , wherein the constituent unit represented by said formula (1′) is a constituent unit represented by the following formula (1):

wherein
R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R A , R B , Ar 1 and Ar 2 represent the same meaning as described above,
n 1 and n 2 represent each independently an integer of 1 to 5,
R 1 , R 2 , R 3 and R 4 represent each independently a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, an aryloxy group or a mono-valent heterocyclic group and these groups may have a substituent, when there exist a plurality of each of R 1 , R 2 , R 3 and R 4 , the plurality of R 1 , R 2 , R 3 and R 4 may each be mutually the same or different,
and adjacent groups of R 1 , R 2 , R 3 and R 4 may be mutually linked to form a ring structure together with carbon atoms to which they are linked.

3. The polymer compound according to claim 1 , wherein X in said formula (2-A) is a mono-valent cross-linkable group represented by said formula (1-m) or a mono-valent cross-linkable group represented by said formula (1-m′).

4. The polymer compound according to claim 1 , wherein X′″ in said formula (2-B) is a mono-valent cross-linkable group represented by said formula (1-a).

5. The polymer compound according to claim 1 , further comprising a constituent unit represented by the following formula (3):

wherein
Ar 7 represents an arylene group or a di-valent heterocyclic group and these groups may have a substituent.

6. The polymer compound according to claim 5 , wherein the constituent unit represented by said formula (3) is a fluorenediyl group which may have a substituent.

7. The polymer compound according to claim 5 , wherein the constituent unit represented by said formula (3) is a phenylenediyl group which may have a substituent.

8. The polymer compound according to claim 1 , further comprising a constituent unit represented by the following formula (4):

wherein
a 1 and a 2 represent each independently 0 or 1,
Ar 8 and Ar 10 represent each independently an arylene group or a di-valent heterocyclic group and these groups may have a substituent,
Ar 9 and Ar 11 represent each independently an arylene group, a di-valent heterocyclic group or a di-valent group obtained by linking two or more identical or different groups selected from the group consisting of arylene groups and di-valent heterocyclic groups and these groups may have a substituent,
R C , R D and R E represent each independently a hydrogen atom, an alkyl group, an aryl group or a mono-valent heterocyclic group and these groups may have a substituent,
Ar 8 , Ar 9 , Ar 10 and Ar 11 may each form a ring structure by mutual linkage of each group with other group than the each group linked to a nitrogen atom to which the each group is linked.

9. The polymer compound according to

Assignees

• Sumitomo Chemical Co

Inventors

• Usui Motoaki
• Shiratori Mio

Classifications

• C08G2261/312

  Non-condensed aromatic systems, e.g. benzene · CPC title

• C08G2261/135

  Cross-linked structures · CPC title

• C08G2261/122

  statistical · CPC title

• C08G61/12

  Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule · CPC title

• C09K2211/185

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