Patent ID: 8319433

Claim:
An LED-based lighting unit for retrofitting a fluorescent light fixture in a transit vehicle, the LED-based lighting unit comprising: an elongate fixture frame securably attachable within a fluorescent lighting fixture cavity of a transit vehicle, said cavity having left and right electrical sockets for supporting and providing power to a fluorescent tube light, wherein the elongate fixture frame substantially conforms to the shape of the cavity so that it fits snugly therein; left and right non-conductive pins extending from the elongate fixture frame, said left and right non-conductive pins securably attaching the elongate fixture frame to the left and right sockets within the fluorescent lighting fixture cavity; a heat conductive mounting surface on the elongate fixture frame; a plurality of light-emitting diodes (LEDs) disposed along a length of said heat conductive mounting surface, for illuminating an interior area of the transit vehicle; and a diffusive lens cover removably attachable to an output opening of the fluorescent lighting fixture cavity.