Patent ID: 6033604
Filing Date: 2000-03-07
Classification: B29C,B29D

Abstract:
A method of molding an illumination device, comprising the steps of:providing an open mold having a reservoir with an inner surface including at least one microstructured feature thereon, said at least one microstructured feature defining a negative replica of at least one light extraction structure;providing a curable material that, when cured, forms a substantially optically transparent material;filling the reservoir of the mold with the curable material;bringing a prefabricated light guide into contact with the curable material;at least partially curing the curable material in the mold to thereby bond a bonded layer to the prefabricated light guide to form the illumination device, said bonded layer including a replica of the at least one microstructured feature of the inner surface of the mold; and removing the illumination device from the mold.