Lightbulb Icon - Symbol of Innovation, Ideas, and Curiosity #3340131 (License: Personal Use)

This stylized illustration features a classic incandescent bulb filled with bright yellow light, outlined in bold black. The filament inside is uniquely shaped like a question mark, suggesting inquiry and discovery, while short black lines radiate outward to convey illumination and energy. Subtle curved lines near the base imply vibration or activation, reinforcing the idea of a “lightbulb moment.”

Commonly used on educational, innovation-focused, or startup websites to represent ideation, learning, FAQs, or problem-solving sections; ideal for blog headers, landing pages, or infographics where user engagement hinges on sparking curiosity.