Light-polarizing film

Details Light-polarizing film Light-polarizing film

G - Physics

02

B

88/117

G02B 5/30 (2006.01) G02B 5/20 (2006.01) G02B 5/22 (2006.01)

Patent

CA 1269555

Abstract LIGHT-POLARIZING FILM A highly durable, light-polarizing film having neutral gray as well as high polarizing co- efficient is provided. The film comprises a uni- axially stretched base polymer film of, for example, polyvinyl alcohol or derivatives thereof and at least two dichroism dyes adsorbed and orientated therein. The dichroism dyes are, for example, C.I. Direct Yellow 12, C.I. Direct Black 17 and C.I. Direct Blue 202. The film is usable for display by liquid crystal.

494178

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