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...http://www.google.de/patents/US5973843?utm_source=gb-gplus-sharePatent US5973843 - Reflector method for producing reflector and reflection type liquid crystal display