Patent ID: 6871983
Filing Date: 2005-03-29
Classification: F21S,F21V,F21W,F21Y,Y10S

Abstract:
1. A light fixture for a clean room ceiling formed by a plurality of frame members arranged in an H-Bar configuration, the light fixture comprising: (a) a sealed housing module sized and shaped for removably replaceable engagement within the ceiling frame members, the module having a downwardly-directed light emitting aperture; (b) a heat sink fixed within the module and spaced from an internal wall of the module to define a cable raceway between the heat sink and the internal wall; (c) a plurality of light-emitting diodes mounted within the module on the heat sink, each one of the light-emitting diodes having a lens for directing light emitted by the one of the light-emitting diodes through the aperture into the clean room; and, (d) a power supply for applying drive current to the light-emitting diodes.