Versatile LED Lighting for Signs, Architecture & More! Designed to illuminate beyond traditional signage, Allanson LED lighting solutions provide versatile, uniform illumination for sign cabinets, channel letters, wall washing, wall grazing, architectural facades, cove lighting, accent lighting, bus shelters, and more. Built for demanding indoor and outdoor applications, our LED fixtures deliver the flexibility and performance needed to bring creative lighting designs to life including applications powered by solar energy.