Patent ID: 9518150
Filing Date: 2016-12-13
CPC Classification: B29C,B29K,C07C,C08G,C08J,G02B

Claim Text:
1. A resin composition, comprising a polymer having a divalent oligofluorene as a repeating unit, wherein: the divalent oligofluorene contains at least two fluorene units optionally having a substituent; 9-positioned carbon atoms of the fluorene units bond to each other via a direct bond, via an alkylene group optionally having a substituent, via an arylene group optionally having a substituent, or via an aralkylene group optionally having a substituent; and a ratio of a retardation measured at a wavelength of 450 nm (Re450) to a retardation measured at a wavelength of 550 nm (Re550) satisfies formula (2):