Patent ID: 8466256

Claim:
A polymer including a repeating unit represented by the following Chemical Formula 1: wherein, in the above Chemical Formula 1, Ar 1 is a divalent organic group including one of a C1 to C60 substituted or unsubstituted alkylene group, a nitrogen-containing C1 to C60 substituted or unsubstituted heteroalkylene group, a C6 to C60 substituted or unsubstituted arylene group, a nitrogen-containing C3 to C60 substituted or unsubstituted heteroarylene group, and a C6 to C60 substituted or unsubstituted arylamine group, R 1 and R 2 are each independently one of hydrogen, a C1 to C30 substituted or unsubstituted alkyl group, and a C6 to C30 substituted or unsubstituted aryl group, and a and b are each independently integers of 0 to 4.