Patent ID: 6803124
Filing Date: 2004-10-12
Classification: C08G,C09K,H01L,Y10S,Y10T

Abstract:
A polymer represented by the following formula (2): wherein Aâ€² is a substituted or unsubstituted carbazole group bonded with the main chain of the polymer at one of positions 1 through 9 of the carbazole; Bâ€²comprises a 1,3,4-oxadiazole unit; Câ€² represents a group having a structure other than Aâ€² and Bâ€², x, y and z each represents mole fraction (%), x and y each represents 1-99(%), z represents 1-98(%), x+y+z=100(%); and at least one of the Aâ€², Bâ€² and Câ€² further comprises as a substituent at least one group selected from the group consisting of an alkyl group, an alkoxy group, an ester group, an amide group and a sulfone amide group, each group having 4 to 20 carbon atoms.