Display optical films

Optical: systems and elements – Diffusing of incident light

Reexamination Certificate

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C359S707000, C349S112000

Reexamination Certificate

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07106517

ABSTRACT:
There is provided an optical film. The optical film comprises a first surface defined by a first surface structure function modulated by a second surface structure function such that the first surface acts to diffuse light incident on the film, wherein the first surface structure function has a function of a microlens structure, and the second surface structure function has characteristics to provide the diffuse light. The optical film may be incorporated into a number of optical devices and structures.

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European Search Report dated Apr. 22, 2005.

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