Light guiding plate

Details Light guiding plate Light guiding plate

1994-08-23

1996-04-09

Healy, Brian

Optical waveguides

Planar optical waveguide

385147, 385901, G02B 610

Patent

active

055069240

ABSTRACT:
A light guiding plate has grooves or ridges with respective bottom or peak portions having surfaces with curvilinear sectional contours. The curvilinear portions replace angular intersections of slanted surfaces of the grooves or ridges and thereby provide uniform luminance over an entire face of the light guiding plate.

REFERENCES:
patent: 4151582 (1979-04-01), Grunberger
patent: 4765701 (1988-08-01), Cheslak
patent: 4898439 (1990-02-01), Mori

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