Polymer compound and light emitting device using the same

Patent metadata

Field	Value
Publication number	US-9741934-B2
Application number	US-201415127847-A
Country	US
Kind code	B2
Filing date	Nov 21, 2014
Priority date	Mar 25, 2014
Publication date	Aug 22, 2017
Grant date	Aug 22, 2017

Abstract

A polymer compound comprising a constitutional unit having a group represented by the formula (1):

wherein Ring A 1A and Ring R 2A represent an aromatic hydrocarbon ring or a heterocyclic ring and these rings each optionally have a substituent, nA represents an integer of 0 to 5, nB represents an integer of 1 to 5, L A and L B represent an alkylene group, a cycloalkylene group, an arylene group, a divalent heterocyclic ring group, a group represented by —NR′—, an oxygen atom or a sulfur atom, and R′ represents a hydrogen atom, an alkyl group or the like, and Q 1 represents a crosslinkable group.

First claim

The invention claimed is:

1. A polymer compound comprising a constitutional unit represented by the following formula (2):

wherein
Ar 1 represents an aromatic hydrocarbon group or a heterocyclic ring group and these groups each optionally have a substituent,
n represents an integer of 1 to 4, and
Q 2 represents a group represented by the following formula and when a plurality of Q 2 are present, they can be the same or different:

wherein
Ring R 1A and Ring R 2A each independently represent an aromatic hydrocarbon ring or a heterocyclic ring,
nA represents an integer of 0 to 5, and nB represents an integer of 1 to 5,
L A and L B each independently represent an alkylene group, a cycloalkylene group, an arylene group, a divalent heterocyclic ring group, a group represented by —NR′—, an oxygen atom or a sulfur atom and these groups each optionally have a substituent, and R′ represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group or a monovalent heterocyclic group and these groups each optionally have a substituent, and when a plurality of L A and L B are present, they may be the same or different at each occurrence, and
Q 1 represents a crosslinkable group selected from the following Group A′, wherein Group A′ is a crosslinkable group selected from the group consisting of:

wherein
R XL represents a methylene group, an oxygen atom or a sulfur atom, n XL represents an integer of 0 to 5, and when a plurality of R XL , are present, they may be the same or different, and when a plurality of n XL are present, they may be the same or different,
* represents a binding position, and
these crosslinkable groups each optionally have a substituent.

2. The polymer compound according to claim 1 , further comprising a constitutional unit represented by the following formula (X):

wherein
a 1 and a 2 each independently represent an integer of 0 or more,
Ar X1 and Ar X3 each independently represent an arylene group or a divalent heterocyclic ring group and these groups each optionally have a substituent,
Ar X2 and Ar X4 each independently represent an arylene group, a divalent heterocyclic ring group or a divalent group in which at least one arylene group and at least one divalent heterocyclic group are bonded directly to each other, and these groups each optionally have a substituent, and
R X1 , R X2 and R X3 each independently represent a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group or a monovalent heterocyclic group and these groups each optionally have a substituent.

3. The polymer compound according to claim 1 , further comprising a constitutional unit represented by the following formula (Y):
Ar Y1   (Y)

wherein Ar Y1 represents an arylene group, a divalent heterocyclic group or a divalent group in which at least one arylene group and at least one divalent heterocyclic group are bonded directly to each other, and these groups each optionally have a substituent.

4. The polymer compound according to claim 1 , wherein Ring R 1A and Ring R 2A are a benzene ring optionally having a substituent.

5. The polymer compound according to claim 1 , wherein Ar 1 is a group obtained by removing from a benzene ring optionally having a substituent, a fluorene ring optionally having a substituent, a naphthalene ring optionally having a substituent, a phenanthrene ring optionally having a substituent or a dihydrophenanthrene ring optionally having a substituent (2+n) hydrogen atoms linked directly to carbon atoms constituting the ring.

6. The polymer compound according to claim 3 , wherein the constitutional unit represented by the formula (Y) is a constitutional unit represented by the following formula (Y-1) or a constitutional unit represented by the following formula (Y-2):

wherein R Y1 represents a hydrogen atom, an alkyl group, a cycloalkyl group, an alkoxyl group, a cycloalkoxy group, an aryl group or a monovalent heterocyclic group and these groups each optionally have a substituent, and the plurality of R Y1 may be the same or different, and adjacent R Y1 s may be combined together to form a ring together with the carbon atoms to which they are attached:

wherein R Y1 represents the same meaning as described above, X Y1 represents a group represented by —C(R Y2 ) 2 , —C(R Y2 )═C(R Y2 )— or —C(R Y2 ) 2 —C(R Y2 ) 2 —, and R Y2 represents a hydrogen atom, an alkyl group, a cycloalkyl group, an alkoxyl group, a cycloalkoxy group, an aryl group or a monovalent heterocyclic group and these groups each optionally have a substituent, and the plurality of R Y2 may be the same or different, and R Y2 s may be combined together to form a ring together with the carbon atoms to which they are attached.

7. The polymer compound according to claim 1 , wherein the content of the constitutional unit represented by the formula (2) is 3 to 90 mol % with respect to the total content of constitutional units contained in the polymer compound.

8. A compound represented by the following formula (2M):

wherein
Ring R 1A and Ring R 2A each independently represent an aromatic hydrocarbon ring or a heterocyclic ring and these rings each optionally have a substituent,
nA represents an integer of 0 to 5, and nB represents an integer of 1 to 5,
L A and L B each independently represent an alkylene group, a cycloalkylene group, an arylene group, a divalent heterocyclic ring group, a group represented by —NR′—, an oxygen atom or a sulfur atom and these groups each optionally have a substituent, and R′ represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group or a monovalent heterocyclic group and these groups each optionally have a substituent, and when a plurality of L A and L B are present, they may be the same or different at each occurrence,
Q 1 represents a crosslinkable group selected from the following Group A′ of crosslinkable group,
Ar 1 represents an aromatic hydrocarbon group or a heterocyclic ring group and these groups each optionally have a substituent,
n represents an integer of 1 to 4, and
Z 1 and Z 2 each independently represent a group selected from the following Group A of substituent or Group B of substituent:
wherein Group A′ is a crosslinkable group selected from the group consisting of:

wherein
R X1 represents a methylene group, an oxygen atom or a sulfur atom, n XL represents an integer of 0 to 5, and when a plurality of R XL are present, they may be the same or different, and when a plurality of n X1 are present, they may be the same or different,

* represents a binding position, and
these crosslinkable groups each optionally have a substituent:
wherein Group A is a substit

Assignees

• Sumitomo Chemical Co

Inventors

• Yoshida Tomoyasu
• Shiratori Mio

Classifications

• C09K2211/185

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

• C08G2261/124

  alternating · CPC title

• C07F5/003

  without C-Metal linkages · CPC title

• C08G2261/411

  Suzuki reactions · CPC title

• C07F5/025

  Boronic and borinic acid compounds · CPC title