Patent ID: 8277697
Filing Date: 2012-10-02
Classification: C09B,G02B,H01L

Abstract:
1. A color filter for an electronic display device having a green color filter layer comprising a fluorinated phthalocyanine pigment having a maximum absorbance between 600-700 nm and at least one second pigment with a maximum absorbance between 400-500 nm and having a transmittance of 60% or more at a wavelength of 520 nm, of no more than 10% at a wavelength of 590 nm, and of no more than 10% at a wavelength of 480 nm, wherein the fluorinated phthalocyanine pigment is according to Formula (I): M is aluminum; R consists of one of fluorine, a perfluoroalkyl or a perfluoroaryl group; z is 1 to 4; L is a bridging ligand chosen from —O, —O—Si(R n is 1 such that the overall charge on the molecular unit is neutral, and wherein at least 85 volume percent of the fluorinated phthalocyanine pigment has a particle size less than 2750 nm.