Apparatus for molding light extraction structures onto a light g

Details Apparatus for molding light extraction structures onto a light g Apparatus for molding light extraction structures onto a light g

1998-12-02

2000-03-21

Davis, Robert

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Endless surface means to shape fluent material

425122, 425127, 425470, 425471, 264 124, 264 131, 264 16, 264 27, B29C 3342

Patent

active

060395532

ABSTRACT:
A method and apparatus for molding an illumination device using an open mold are provided which allow for the addition of light extraction structures to a prefabricated light guide using a curable material. A mold containing the extraction structures is first provided. Curable molding material and the prefabricated light guide are placed into the mold, and an overlay comprising light extraction structures is cured onto the light guide, providing a functional illumination device.

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