Design Challenge:

Create an LED light to provide remote-controlled visual warning of an approaching emergency vehicle in traffic-controlled intersections.

DDP's Solution:

An array of 10 1-watt LEDs and integrated optics designed to work with 4 different power supplies at various traffic intersections with an operating range of 100V – 140V AC or DC.

Design Challenge:

Design an LED light source to act as a warning indicator for the end of a commercial rail line that meets Federal DOT specifications.

DDP's Solution:

A custom red high-flux emitter and collimating optic positioned to illuminate within a 25-degree viewing angle and visible up to 1 mile away in direct sunlight.