LIGHT GUIDE PLATE MOLD
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United States of America Patent
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Issued Date -
May 22, 2014
app pub date -
Dec 27, 2012
filing date -
Nov 22, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A light guide plate mold includes a base, a first side plate, a second side plate, a third side plate, a fourth side plate, an intermediate baffle defining a sprue, a group of replaceable mold blocks and an optical micro-structure insert. One of the replaceable mold block includes a recess, the optical micro-structure insert is received in the recess. The base, the first side plate, the second side plate, the third side plate, the fourth side plate, the intermediate baffle and the optical micro-structure insert together are enclosed to form a molding cavity to mold a light guide plate. The optical micro-structure insert is used for molding the microstructure of an incident surface of the light guide plate.
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