---
title: "Light Bulb Icon | Free Download PNG & SVG | Ultimate Duotone"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/light-bulb--16166
canonical_url: "https://www.streamlinehq.com/icons/download/light-bulb--16166"
summary: "Clean duotone icon of a round light bulb with a zigzag filament and screw base. Used for ideas, lighting, and tips."
---

# Light Bulb icon

The Light Bulb icon shows a round glass bulb with a zigzag filament and a threaded screw base. Drawn in the duotone style on a 24px grid with a 1px stroke, it combines filled color areas with crisp outlines for clear small-size use. Use it for idea generation, lighting controls, education, innovation, and tips or inspiration. It belongs to Ultimate Duotone set in the Ultimate family.

## Preview

![Clean duotone icon of a round light bulb with a zigzag filament and screw base. Used for ideas, lighting, and tips.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/streamline-duotone/lamps-lights-fire/light-bubbles/light-bulb-ajwciiw0ylk9wq9f2usg.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Light Bulb
- **Type**: Icon
- **Set**: [Ultimate Duotone](/icons/streamline-duotone.md) — Ultimate is the world’s largest icon family, designed by 8 expert designers. The Duotone style enhances visual depth by combining colored lines and filled shapes, perfect for matching brand or project colors. Key advantages: 1—Customizable colors. Apply up to four different colors to icon elements. 2— Adjustable stroke thickness. Create looks ranging from thin to bold for varied aesthetics.
- **Family**: [Ultimate](/icons/ultimate-sets.md) — The encyclopedia of icons
- **Style**: Duo, Stroke, Filled
- **Category**: Lamps Lights Fire › Light Bubbles
- **Default size**: 24px
- **Stroke width**: 1px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: bulb, light, idea, innovation, creativity, energy, inspiration, technology, filament, electricity, glass, incandescent, lighting, solution, electric, lamp, lights, heated, symbol, light bubbles

## Download

- [Download Light Bulb on Streamline](https://www.streamlinehq.com/icons/download/light-bulb--16166)

## Also available in other styles

- [Light Bulb — Ultimate Colors](/icons/download/light-bulb--20005.md) (Pro)
- [Light Bulb — Ultimate Light](/icons/download/light-bulb--8668.md) (Pro)
- [Light Bulb — Ultimate Regular](/icons/download/light-bulb--9374.md) (Pro)
- [Light Bulb — Ultimate Bold](/icons/download/light-bulb--7937.md) (Pro)

---

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