Reflector method for producing reflector and reflection type liq

Details Reflector method for producing reflector and reflection type liq Reflector method for producing reflector and reflection type liq

1998-12-04

1999-10-26

Spyrou, Cassandra

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

359627, 359851, 349113, G02B 2710

Patent

active

059738430

ABSTRACT:
A reflector has a plurality of convex/concave portions on a surface of a substrate, Each of the convex/concave portions has a circular or elliptical shape as viewed in a direction perpendicular to the surface of the substrate. The surface of the substrate includes first and second regions adjacent to each other defining a boundary therebetween. In each of the first and second regions, an ellipticity .alpha. of the shape of the convex/concave portions continuously changes away from a respective predetermined central position. The ellipticity .alpha. is about 1.05+(0.005/3)-.beta. or less, where .beta.=.vertline..theta.-90.vertline., and .theta. denotes an angle between long axes of the elliptical shapes of the convex/concave portions on opposite sides of the boundary.

REFERENCES:
patent: 4431272 (1984-02-01), Yazawa et al.
patent: 5204765 (1993-04-01), Mitsui et al.
patent: 5408345 (1995-04-01), Mitsui et al.
patent: 5714247 (1998-02-01), Kuo et al.

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