Lightbulb Icon - Symbol of Ideas, Innovation, and Illumination #3058064 (License: Personal Use)

This vector-style illustration features a luminous yellow incandescent lightbulb with a clearly drawn coiled filament and a gray screw-base. Six radiant yellow lines emanate from the bulb, emphasizing its brightness against a stark black background. The design is clean, symbolic, and universally recognizable as a metaphor for ideas and enlightenment.

Commonly used in educational websites, startup landing pages, brainstorming tools, and UX interfaces to signal “idea,” “solution,” or “insight.” Matches user intent for visual metaphors related to creativity, learning, or problem-solving.