Light guide plate mold and method for manufacturing light...

Details Light guide plate mold and method for manufacturing light... Light guide plate mold and method for manufacturing light...

2009-06-10

2011-11-08

Gupta, Yogendra (Department: 1744)

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Optical fiber, waveguide, or preform

C264S327000, C264S320000, C249S079000, C425S384000

Reexamination Certificate

active

08052901

ABSTRACT:
A light guide plate mold is configured for manufacturing a light guide plate having a number of microstructures. The light guide plate mold includes a substrate and a number of heating members. The substrate defines a number of grooves therein. The heating members are respectively received in the grooves. Each heating member has a height less than a depth of the corresponding groove. The grooves and the heating members cooperatively define a number of receiving spaces for forming the microstructures of the light guide plate.

REFERENCES:
patent: 2005/0110174 (2005-05-01), Chen
patent: 2005/0142499 (2005-06-01), Chen
patent: 2005/0194351 (2005-09-01), Yu et al.
patent: 2006/0268578 (2006-11-01), Zhu et al.
patent: 2008/0000373 (2008-01-01), Petrucci-Samija et al.
patent: 2008/0093764 (2008-04-01), Ito et al.

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