Polarizer and liquid crystal display device using same
AssigneeHitachi, Ltd.
InventorsMasaki Matsumori, Yasushi Tomioka, Katsuyuki Funahata
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Abstract
An object of the present invention is to provide a liquid crystal display device having a wide view angle, reduced power consumption and high quality with an absorption axis of a polarizing plate and an optical axis of a retardation plate made to coincide with high accuracy without using expensive equipment and complicated steps. On a transparent substrate 11 is formed a retardation film 21 that is self-organized due to irregularities on a surface of a metal wire 12 formed on a wire grid polarizer to thereby generate a retardation.
Claims14
A polarizer comprising:
- a transparent substrate;
- a plurality of metal wires formed mutually in parallel on one surface of the transparent substrate;
- and
- a retardation film formed on a surface of the metal wire;
- wherein an optical axis of the retardation film is parallel or perpendicular to a longer direction of the metal wire.
A polarizer comprising:
- a transparent substrate;
- a plurality of metal wires formed mutually in parallel on one surface of the transparent substrate;
- an alignment film formed on a surface of the metal wire;
- and
- a retardation film formed on a surface of the alignment film;
- wherein an optical axis of the retardation film is parallel or perpendicular to a longer direction of the metal wire.
A polarizer comprising:
- a transparent substrate;
- a plurality of metal wires formed mutually in parallel on one surface of the transparent substrate;
- and
- a polarizing film formed on a surface of the metal wire;
- wherein an absorption axis of the polarizing film is parallel to a longer direction of the metal wire.
Dependencies are inferred from the claim text.