Stacked microvoided light diffuser

Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified...

Reexamination Certificate

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C428S001300, C359S016000, C349S112000, C362S351000

Reexamination Certificate

active

07132136

ABSTRACT:
The invention relates to a light diffuser comprising a polymeric film wherein the film comprises a plurality of layers having void geometry in which the x/y/z size or frequency varies by at least 28% between at least two layers.

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Co-pending, commonly assigned, concurrently filed, U.S. Patent Application titled “Microvoided Light Diffuser”, of Michael R. Brickey.
Co-pending, commonly assigned, concurrently filed, U.S. Patent Application titled “Microvoided Light Diffuser Containing Optical Contact Layer”, of Robert P. Bourdelais.
Co-pending, commonly assigned, concurrently filed, U.S. Patent Application titled “Light Diffusion Material With Color Temperature Correction”, of Cheryl J. Kaminsky.

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