Bulb black filled icon
Line icon of a glowing light bulb with radiating rays and a ribbed screw base
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About the Bulb black filled icon
A round light bulb switched on, surrounded by eight short rays that fan out evenly from the glass dome, with a ribbed screw base and a small filament loop at the bottom. The glow makes it read as an idea, insight or power that is active, so it suits tips and hints callouts, brainstorming and innovation slides, energy-saving pages, smart home lighting controls, and onboarding tutorials.
Rays and bulb share the same stroke weight, and the even radial spacing keeps the shape balanced in a square frame. The stacked base rings add texture without clutter. It pairs with lamp, battery, plug and gear icons. At small sizes the rays can merge with the glass, so give it extra padding in dense toolbars.
This is the solid black filled version of the bulb icon: a bold silhouette that reads clearly at 16-24 px and on dark or busy backgrounds, and prints well in one colour.
It downloads free as an SVG vector or transparent PNG in seven sizes, and the free online editor lets you recolor it, apply gold, silver, neon and gradient styles, add animation, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
