What is a neon light used for?

to read X-ray negatives
to see the inside of patients’ throats
in operating rooms and hospitals
in advertising signs and decoration

Neon lights are primarily used in advertising signs and decoration. They create a bright, colorful glow that is eye-catching and attention-grabbing, making them an ideal choice for storefronts, bars, and restaurants. Neon lights can also be used in decorative lighting fixtures for homes and businesses, adding a retro or modern touch to any space. While they may be used in operating rooms and hospitals as well, their primary use is for aesthetic purposes.