Patent ID: 7367679
Filing Date: 2008-05-06
Classification: F21V,G02F,G03B,H04N

Abstract:
1. A light source for an image display device, comprising: a light-producing element; a reflector disposed around at least a portion of the light-producing element; the reflector having front surface facing the light-producing element and a rear surface facing away from the light-producing element; a housing substantially enclosing the reflector; an airflow inlet disposed spatially adjacent to a front edge of the reflector, wherein the airflow inlet is positioned to cause a first portion of air flowing into the housing to flow across the front surface of the reflector and a second portion of air flowing into the housing to flow across the rear surface of the reflector; an airflow channel within the housing defined adjacent an outer wall of the housing by the outer wall of the housing and a separator structure interior the outer wall of the housing; and an opening in the separator structure to allow airflow between the interior portion of the housing and the airflow channel.