noun
blue light-emitting diode; blue LED
Technical term for a semiconductor device that emits blue light. Commonly abbreviated as 青色LED in everyday contexts.
青色発光ダイオードの開発はノーベル賞につながった。
The development of the blue light-emitting diode led to a Nobel Prize.
この製品には高輝度の青
This product uses a high-brightness blue LED.