Structure of optic film

Details Structure of optic film Structure of optic film

2007-10-22

2009-08-11

Tso, Laura (Department: 2875)

Illumination

Edge lighted panel

Light guide

C362S627000, C362S244000, C362S246000, C362S223000, C362S326000, C362S329000, C362S330000

Reexamination Certificate

active

07572046

ABSTRACT:
An optic film has a surface on which a plurality of rib-like micro light guides is formed. Each light guide includes a plurality of ridges, which are of different height and shows variation of height. Either a high ridge or a low ridge of the light guide is made a continuous left-and-right wavy configuration and/or a continuous up-and-down height-variation configuration. Thus, light transmitting through the optic film and converged by the light guides leaves the optic film in a form that is not very regular so as to facilitate subsequent use of the light in for example a liquid crystal display panel.

REFERENCES:
patent: 5851062 (1998-12-01), Shinohara et al.
patent: 7404659 (2008-07-01), Mai
patent: 2002/0057564 (2002-05-01), Campbell et al.
patent: 2006/0051048 (2006-03-01), Gardiner et al.
patent: 2006/0109687 (2006-05-01), Campbell

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