light bulb
Pixiv
Twitter
Bluesky
Weibo
Lofter
Tumblr
A light bulb is a device that produces light from electricity when turned on. Light bulbs are often used to bring light to a space or to indicate when an electronic device is on.
In many works of fiction, a light bulb is sometimes used to indicate that a character just thought up a bright idea.
See also
The following tags implicate this tag: spoken_light_bulb (learn more).