LED

えるいーでぃー

noun

LED, light-emitting diode

electronics

1. LED, light-emitting diode

A semiconductor device that emits light when current flows through it, used for energy-efficient lighting and displays.

LED電球(でんきゅう)に替(か)えた。

I switched to LED light bulbs.

この部屋(へや)はLED照明(しょうめい)で明(あか)るい。

This room is bright with LED lighting.

LEDは従来(じゅうらい)の電球(でんきゅう)より消費(しょうひ)電力(でんりょく)が少(すく)ない。

LEDs use less power than conventional light bulbs.

LED lighting has become standard in Japan due to its energy efficiency and long lifespan. LED bulbs and lighting fixtures are sold everywhere, from convenience stores to electronics shops.

Common expressions

LED電球(でんきゅう): LED light bulb
LED照明(しょうめい): LED lighting
LEDライト: LED light
LEDディスプレイ: LED display
LED信号機(しんごうき): LED traffic light

LED is written in the English alphabet in Japanese text. Note that Japanese traffic lights have largely switched to LED.

general

Added 2026.1.29 8:54 · Revised 2026.9.2 13:01

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