Korean slang profile
LED
led
Light-emitting diode
An abbreviation for a light-emitting diode that produces light when current flows.
- Expanded form
- Light Emitting DiodeLight Emitting Diode
- Other spellings
- 엘이디
- Earliest source found
- Oct 14, 2009
- Documented trend period
- Not verified
This is the earliest source we have verified, not the date the term was coined.
01Examples, with English translations
- Example by Julimmal
책상 위 조명을 LED 전구로 바꿨다.
I replaced the desk lamp’s bulb with an LED bulb.
02Documented history
- Source with unverified publication dateA Korea Consumer Agency press release provides LED’s English expanded form and explains a bulb’s principle of directly converting current into light.[1]
03Origin & word formation
A Korea Consumer Agency press release provides LED’s English expanded form and explains a bulb’s principle of directly converting current into light. Who first used it and when have not been verified.
Evidence for the origin explanationHigh
The formal name, definition, and independent abbreviation in the text were directly compared. The first naming and use have not been verified. The institution’s registration date 2009-11-30 was distinguished from the release-distribution announcement, and its date field was omitted. firstSeen is the Financial News article date whose metadata were checked.
04Sources
Original titles and links are preserved. An English translation does not replace the original source.
- LED전구 품질 격차 많아 (한국소비자원)Original source checked Nov 14, 2026
- [크리에이티브 디지털 스토리] (28) 현대아이티 옥외용 LCD 사이니지 (파이낸셜뉴스·네이트 전재)Published Oct 14, 2009Original source checked Nov 14, 2026