filament lamp

Table of Contents

Introduction References & Edit History

Images & Videos

carbon filament lamps

The role of chemistry in Thomas Edison's inventions

What is the field of immunogenomics?

Read Next

A Factory Interior, watercolor, pen and gray ink, graphite, and white goache on wove paper by unknown artist, c. 1871-91; in the Yale Center for British Art. Industrial Revolution England

Inventors and Inventions of the Industrial Revolution

Discover

Panoramic view at sunrise of moai, Ahu Tongariki, Easter Island (Rapa Nui), Chile

6 Lost Civilizations

Planet Jupiter with its moon Io at left, photographed by the Cassini orbiter during the Cassini-Huygens mission, 2000. spacecraft

7 Important Dates in Jupiter History

The Battle of Gettysburg, July 1-3, 1863. (Civil War, Pennsylvania)

9 Worst Generals in History

The impeachment trial of Pres. Andrew Johnson, illustration from Frank Leslie's Illustrated Newspaper, March 28, 1868.

What If the President Is Impeached?

American bison (Bison bison) also known as buffalo or plains buffalo on the prairie, western U.S.

What’s the Difference Between Bison and Buffalo?

American soldiers in the Ardennes during the Battle of the Bulge.

9 Questions About World War II Answered

Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

filament lamp

electronic device

Written and fact-checked by The Editors of Encyclopaedia Britannica

Article History

Key People:: Irving Langmuir; William D. Coolidge

Related Topics:: halogen lamp; lightbulb; incandescent lightbulb; ribbon machine; krypton-filled lightbulb

The role of chemistry in Thomas Edison's inventions — The role of chemistry in Thomas Edison's inventionsHow Thomas Edison changed the world.
See all videos for this article

filament lamp, variety of incandescent lamp (q.v.) in which the light source is a fine electrical conductor heated by the passage of current.

This article was most recently revised and updated by Amy Tikkanen.