Patent ID: 9643350
Date: 2017-05-09
CPC Classifications: B29C,B29D,B29K,B29L

Claim:
1. A method of forming a light guide system, comprising the steps of: injecting a first resin suitable for forming a light guide into a first portion of a mold; injecting a second resin suitable for forming a carrier substrate into a second portion of the mold; inserting a barrier layer in the mold to prevent wet-out between the first and second resins, wherein the barrier layer is inserted into the mold before injecting the first and second resins; and curing the resins to form a unitary light guide system, wherein the unitary light guide system includes a light guide formed from the first resin and a carrier substrate formed from the second resin, and further wherein the light guide and carrier substrate are joined and formed in a dual injection process.