Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
Patent
1993-06-01
1995-11-14
Sikes, William L.
Optical: systems and elements
Holographic system or element
Using a hologram as an optical element
359 42, 359 69, 385146, 385901, 362 26, 362 31, G02F 113
Patent
active
054672082
ABSTRACT:
A liquid crystal display including a sheet for converging light from a back light source. The sheet may be an array of truncated prisms, an array of prisms separated by flat portions, asymmetrical prisms with dual vertices, or prisms with different vertices.
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Kokawa Shozo
Nishihara Michiharu
Sato Yukikazu
Parker Kenneth
Sharp Kabushiki Kaisha
Sikes William L.
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