Sun phantom led traffic signal

摘要

A light emitting diode signal with reduced susceptibility to the "sun phantom" effect. A single printed circuit board populated with both the power supply circuitry and the light emitting diodes is located at an increased distance from the front cover which is angled to direct extraneous light away from the viewers position. A snap together housing reduces overall cost and assembly time. Light from the light emitting diodes distributed across the single printed circuit board to project an overlapping light pattern is collimated by a multiple collimating zone optical element which creates a uniform display aspect without discernable individual points of light.