Optical film having prismatic faces directly formed with...

Details Optical film having prismatic faces directly formed with... Optical film having prismatic faces directly formed with...

2008-06-03

2008-06-03

Dang, Hung X. (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

C359S599000, C359S638000

Reexamination Certificate

active

07382537

ABSTRACT:
An optical film comprising: a transparent supporting (or base) layer; a prismatic layer consisting of a plurality of prisms integrally formed on the supporting layer; and a plurality of micro-lenses integrally formed on a plurality of prismatic faces of the prisms, whereby the incidence lights as refracted through the micro-lenses on the prisms will be refracted to be an outgoing light approximating the on-axes of the prisms, thereby increasing the on-axis brightness of the optical film.

REFERENCES:
patent: 6801277 (2004-10-01), Ting et al.
patent: 2004/0100699 (2004-05-01), Cowan et al.

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