Neon lights are bright, colorful lights that are often used for signs and decorations. They are made from long glass tubes filled with gas that lights up when an electric current runs through it. Full definition
Aluminum structure suspended on a wall from 1946 is one of the earliest examples of utilization of neon light in art form. (widewalls.ch)
It was really hard to get good pictures in the exhibition since it was pretty dark, only colorful neon lighting in various spots. (retro-video-gaming.com)
Walls, floor and ceiling were all painted the same vivid glossy red and then illuminated with red neon light, creating a walk - in total - artwork. (hyperallergic.com)