Patent ID: 7582720
Filing Date: 2009-09-01
Classification: C08K,C08L,Y10T

Abstract:
1. A flat screen comprising a diffuser sheet, wherein said diffuser sheet comprises the solid sheet comprises a composition comprising: (a) 80 to 99.99 wt. %, based on the total weight of said composition, of a transparent polycarbonate having a light transmission according to ISO 13 468-2 (at 4 mm thickness) of more than 88.5% and having a refractive index; and (b) 0.01 to 20 wt. %, based on the total weight of said composition, of poly(meth)acrylate particles, said poly(meth)acrylate particles having, wherein said composition is free of a coloring agent selected from the group consisting of anthanthrones, anthraquinones, benzimidazoles, diketopyrrolopyrroles, isoindolinols, perinones, perylenes, phthalocyanines, quinacridones, quinophthalones and combinations thereof.