Light guiding plate manufacturing apparatus and light guiding plate manufacturing method
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United States of America Patent
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Nov 16, 2004
Grant Date -
Sep 19, 2002
app pub date -
Mar 4, 2002
filing date -
Mar 7, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A light guiding plate is manufactured with accuracy and at low cost. This invention comprises a cylindrical roller, which has a heater built-in, rotating while fixing a stamper having a dot pattern formed on its surface, substrate fixing means for reciprocating along a lower portion of the cylindrical roller in accordance with rotation of the cylindrical roller as fixing a resin substrate, and pressing means for pressing the stamper, which is fixed to the cylindrical roller, onto a surface of the resin substrate, which is fixed to the substrate fixing means, with a constant pressure.
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