Polymer compound and organic light-emitting device including the same
View Patent ↗A polymer represented by Formula 1 below: wherein functional groups and n are defined as in the specification.
1. A polymer represented by Formula 1 below:
wherein,
n is a real number in the range of about 0.01 to about 0.99,
X is O or S,
R 1 is H, a linear C 1 -C 20 alkyl group, a branched C 1 -C 20 alkyl group, a cyclic C 3 -C 20 alkyl group, or a C 6 -C 14 aromatic group, wherein the aromatic group may be substituted with a C 1 -C 20 alkyl group or a C 1 -C 20 alkoxy group,
R 2 and R 3 are each independently a hetero aromatic group substituted with a heteroatom or a C 6 -C 26 aromatic group, wherein the aromatic group or the heteroaromatic group may be substituted with a C 1 -C 20 alkyl group or a C 1 -C 20 alkoxy group, and
Ar is a hetero aromatic group substituted with a heteroatom linear C 1 -C 20 alkyl group, a branched C 1 -C 20 alkylene group, or a C 6 -C 26 aromatic group, wherein the aromatic group or the heteroaromatic group is substituted with a C 1 -C 20 alkyl group or a C 1 -C 20 alkoxy group.
2. The polymer of claim 1 , wherein Ar is one of the groups represented below:
wherein, m is a positive number from about 1 to about 4 and R is a C 1 -C 20 alkyl group.
3. The polymer of claim 1 , wherein R 1 , R 2 , and R 3 are each independently a phenyl group.
4. The polymer of claim 1 , wherein weight-average molecular weight of the polymer is from about 10,000 to about 300,000.
5. The polymer of claim 1 , wherein the polymer is represented by one of Formulae 3 through 9 below:
6. The polymer of claim 1 , wherein the molecular weight dispersion of the polymer is from about 1.5 to about 4.
7. The polymer of claim 1 , wherein the polymer is used in an organic light-emitting device.
8. The polymer of claim 1 , wherein the polymer is represented by Formulae 3 below:
9. The polymer of claim 1 , wherein the polymer is represented by Formulae 4 below:
10. An organic light-emitting device comprising:
a first electrode;
a second electrode; and
an organic layer interposed between the first electrode and the second electrode,
wherein the organic layer comprises at least one layer comprising the polymer of claim 1 .
11. The organic light-emitting device of claim 10 , wherein the organic layer comprises a hole transport layer.
12. The organic light-emitting device of claim 10 , wherein the organic layer comprises an emission layer.
13. An organic light-emitting device comprising:
a first electrode;
a second electrode; and
an organic layer interposed between the first electrode and the second electrode,
wherein the organic layer comprises at least one layer comprising the polymer of claim 8 .
14. An organic light-emitting device comprising:
a first electrode;
a second electrode; and
an organic layer interposed between the first electrode and the second electrode,
wherein the organic layer comprises at least one layer comprising the polymer of claim 9 .