Patent ID: 8649647

Claim:
A method of manufacturing a light guide assembly, comprising the steps of: (a) providing a light guide array made of a light-transmissive material and having a top portion and an integral bottom portion supporting the top portion, wherein the top portion has one or more inner grooves formed in a top surface thereof defining light guides on either side of the inner grooves and an outer groove formed in the top surface about the perimeter of the top portion; (b) providing an optical isolation frame comprising a frame of interconnected slats made of an opaque material, wherein the slats are arranged and profiled to correspondingly match the respective arrangement and profiles of the inner grooves and outer groove of the light guide array; (c) bonding the light guide array and the optical isolation frame to each other such that the slats in the optical isolation frame are disposed within their corresponding grooves in the light guide array; and (d) removing the bottom portion of the light guide array.