Optical plate, method of manufacturing optical plate,...

Details Optical plate, method of manufacturing optical plate,... Optical plate, method of manufacturing optical plate,...

2008-09-15

2010-10-26

Tso, Laura (Department: 2875)

Illumination

Edge lighted panel

Light guide

C362S617000, C362S625000

Reexamination Certificate

active

07819569

ABSTRACT:
An optical plate includes a main body plate, and a plurality of lens patterns formed on a first surface of the main body plate, wherein the lens patterns are elongated in a first direction and arranged in parallel with each other in a second direction crossing the first direction, wherein a cross section of the lens patterns form a part of an ellipse shape, the ratio of a semi-major axis to a semi-minor axis of the ellipse shape ranging from about 1.65 to about 1.75.

REFERENCES:
patent: 1683974 (2005-10-01), None

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