Patent ID: 7054068
Filing Date: 2006-05-30
Classification: G02B,G03B

Abstract:
1. A lens array sheet, comprising: a lens array layer; the lens array layer being formed by a unified lens layer having a first lens array and a second lens array; the first and second lens arrays being formed by disposing a plurality of half-columnar cylindrical lenses in parallel on a common plane; a longitudinal direction of the half-columnar cylindrical lens in the first lens array and a longitudinal direction of the half-columnar cylindrical lens in the second lens array crossing each other orthogonally on a common plane; a plurality of the half-columnar cylindrical lenses being disposed in parallel with intervals therebetween in either one of the first or second lens arrays; at least the first lens array or the second lens array having a group of a plurality of the half-columnar cylindrical lenses which are disposed without intervals therebetween; and the group of cylindrical lenses being disposed in parallel.