Patent ID: 6344886
Filing Date: 2002-02-05
Classification: G02B,G02F

Abstract:
A liquid crystal display device comprising:a matrix array comprising a plurality of liquid crystal cells integrally formed on a front of a transparent substrate such that said substrate forms a substrate of said plurality of said liquid crystal cells; a matrix array comprising a plurality of prisms integrally formed on a back of said substrate with respect to said matrix array of liquid crystal cells; each prism within said array matrix of prisms having a light incident surface and a light-reflecting surface; said matrix array of prisms having a pitch that is the same as a pitch of said matrix array of liquid crystal cells; said light-reflecting surface of each of said prisms being aligned with an opening part of each of said liquid crystal cells, and said light incident surface of each of said prisms being disposed to not contribute light to each of said liquid crystal cells; and a source of polarized light illuminating said prisms such that said prisms provide all of the polarized light from said source of polarized light to illuminate said opening parts of said liquid crystal cells, and such that substantially all of said polarized light is directed to an opening part of said liquid crystal cells.