Prism sheet of liquid crystal display and back light unit using the same
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United States of America Patent
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Issued Date -
Feb 23, 2006
app pub date -
Dec 30, 2004
filing date -
Aug 23, 2004
priority date (Note) -
Abandoned
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Abstract
A prism sheet of a liquid crystal display (LCD) includes a body part made of a transparent resin material; and a plurality of intaglio-type optical unit structures arranged on the body part, each of the optical unit structures having an intaglio-type or a relief type polyhedron inside of a rectangular structure thereof, a center of the intaglio portion forming a line, not a dot.
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