LED stands for _____?
ایل ای ڈی کا مطلب ہے؟
- Light Emitting Diode
- Laser Emitting Device
- Low Energy Device
- Liquid Emitting Display
Explanation
- LED (Light Emitting Diode) is a semiconductor device that emits light when electric current passes through it.
- It is widely used in lighting, displays, electronic indicators, and screens.
Additional information:
- Energy efficiency: Up to 90% more efficient than traditional bulbsFirst discovery: H. J. Round – 1907Early research: Oleg Losev – 1927Practical LED development: James R. Biard – 1961First commercial production: October 1962 (Nick Holonyak)
Last verified on 12-03-2026
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