APPARATUS HAVING NEGATIVE DOT PATTERN USED IN MACHINING THIN LIGHT GUIDE PLATE
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United States of America Patent
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N/A
Issued Date -
Nov 8, 2012
app pub date -
Jul 29, 2011
filing date -
May 4, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An apparatus having a negative dot pattern used in machining a light guide plate. The apparatus includes a machining table unit disposed under the light guide plate, a drive unit disposed over the machining table unit, a plurality of adjustment units disposed over the light guide plate, a plurality of machining support units disposed over the light guide plate, and a plurality of machining units disposed over the light guide plate. When each machining unit has reached a machining position by being transported in transverse and vertical directions above the light guide plate by the drive device, each machining unit engraves dots while the light guide plate is being carried in the machining direction. After the light guide plate is machined, the drive device is transported to an upper position and to a position where next dots are intended to be engraved, and the next dots are sequentially engraved.
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