Glass lens LED luminaire for underwater use

摘要

A lighting unit (2) comprises a base member (8) supporting a plurality of LEDs (4) on a PCB (6), a specular reflector (10) surrounding the LEDs in order to direct low angle rays out of the unit. A moulded glass Fresnel lens plate (20) is mounted across the reflector above the PCB, and a clamping member (30) seals the base member and the lens plate in order to create a water tight unit.