LED Light Bulb Illustration - Energy-Efficient Lighting Design #159952 (License: Personal Use)

This black-and-white line illustration depicts a classic A-type LED bulb with a ribbed diffuser, integrated heat sink fins, and a standard E26/E27 screw base. The sketch-style rendering highlights functional design elements while maintaining a minimalist aesthetic suitable for infographics or sustainability campaigns. The top dome features a subtle handle-like indentation, suggesting user-friendly installation.

Used in blog posts, educational resources, or product pages about energy-efficient lighting, smart home tech, or environmental impact reduction; targets users seeking visual explanations of LED technology or eco-conscious design.