In 1905, French engineer Georges Claude revolutionized the lighting industry with the neon lamp. This innovative technology utilized electricity to excite neon gas, producing vibrant, efficient light. Neon lamps quickly gained popularity for their cost-effective, bright illumination. They notably transformed outdoor advertising, creating colorful, engaging urban landscapes. Neon lighting enhanced nighttime city visibility and inspired creativity in advertising and design, impacting 20th-century urban aesthetics.