Patent ID: 7389020
Filing Date: 2008-06-17
Classification: G02B

Abstract:
1. A light pipe assembly comprising: a light pipe, wherein said light pipe has at least one transmission region; a first light source optically connected to said at least one transmission region at a first end of said light pipe; and, at least one modifying element optically connected to said light pipe, wherein said modifying element at least partially blocks exposure of said light pipe on a first portion of said light pipe that has a greater light intensity than on a second portion of said light pipe that has a lower light intensity than said first portion, such that said modifying element creates an appearance of even light distribution along said light pipe, wherein said modifying element includes a modification on a surface of said light pipe which is formed by at least one of etching, laser cut, ink printing, pad printing, a thermoformed film, and screen printing.