Bulk diffuser for flat panel display

Illumination – Illuminated scale or dial – Edge illuminated modifier or light rod/pipe

Reexamination Certificate

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Details

C362S035000, C362S558000

Reexamination Certificate

active

06908202

ABSTRACT:
The invention features a bulk light diffuser material. The bulk light diffuser material may be a sheet or film comprising about 95 to about 99.8 percent by weight of polycarbonate and about 0.2 to about 2.5 percent by weight of a particulate light diffusing component, based on the total weight of the polycarbonate and the light diffusing particles. The sheet material has a percent transmittance of at least 70% and a haze of at least 10% measured according to the American Society for Testing and Materials (ASTM) standard D 1003.

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