Patent ID: 7717594
Filing Date: 2010-05-18
Classification: B60Q,B64D,F21V,F21Y

Abstract:
1. An illumination system for a ceiling structure of an airplane having at least a first row of stowage bins adjacent said ceiling structure, said illumination system comprising: a. a compact illumination device placed in near proximity to the center of said ceiling structure and opposite said first row of stowage bins, said illumination device further comprising a lighting fixture; b. a light emitting diode attached to said lighting fixture; c. a beam forming optic coupled to said light emitting diode; d. a first prism coupled to said beam forming optic, said first prism effective for turning or splitting a beam of emitted light into a first portion of emitted light for direct lighting of an illumination target and a second portion of emitted light for direct lighting of a second illumination target, e. a second prism effective for directing a third portion of light from a second beam forming optic toward an aspheric surface, the aspheric surface effective for reflecting said third portion of emitted light for indirect lighting of a third illumination target.