Patent ID: 6835468
Filing Date: 2004-12-28
Classification: C08G,C08L,C09K,H01L,Y10S

Abstract:
A fluorene-based polymer of the following Formula (I): Formula (I) wherein, R1 and R2 are the same or different and each represent hydrogen, an aliphatic or alicyclic alkyl or alkoxy group containing from 1 to 22 carbon atoms, aryl or aryloxy group containing 6 to 18 carbon atoms, cyano, cyanoethyl, or alkyl or aryl derivative of silicon, tin or germanium; R3 and R4 are the same or different and each represent an aliphatic or alicyclic alkyl or alkoxy group containing from 1 to 22 carbon atoms, aryl or aryloxy group containing 6 to 18 carbon atoms, cyano, cyanoethyl, or alkyl or aryl derivative of silicon, tin or germanium; wherein X is a member selected from the group consisting of Ar is a member selected from the group consisting of substituted phenylene, biphenylene, fluorene, terphenylene, naphthalene, anthracene, phenanthrene, pyridine, furan, thiophene, pyrrole, dibenzofuran, dibenzothiophene, diphenyloxadiazole, stilbene, diphenyithiadiazole, carbazole, diphenylmethane, bisphenoxyalkane, bisphenoxyalkoxy, and substituted derivatives thereof; and n is an integer equal to or greater than 1.