5.3.1 Light Sources
Light-emitting diode - Wikipedia
Light-emitting diode - Wikipedia
Light Emitting Diode working, construction, types and application
LED Lights - How it Works - History
Inventing the LED Lightbulb - The Atlantic
The History of LED Lighting: Then and Now – Brewminate: A Bold Blend of News and Ideas
PDF) Basics of Light Emitting diodes, Characterizations and Applications
.jpg "Nobel Prize in Physics 2014: Why Were Blue LEDs so Hard to Make?")
Nobel Prize in Physics 2014: Why Were Blue LEDs so Hard to Make?
LED History: Invention of Light Emitting Diode » Electronics Notes
Light emitting diodes: A brief history - EDN Asia
What Does LED Stand For? (2020 Update)
White light‐emitting diodes: History, progress, and future - Cho - 2017 - Laser & Photonics Reviews - Wiley Online Library
History of LED - Development of Light-Emitting Diodes
The History of LEDs and LED Technology - Marktech Optoelectronics
LED | light emitting diode| Working of LED | History of LED | एलईडी का इतिहास - YouTube
History Of Light-emitting Diode | LED Lighting History – Hykolity
History of LED - Development of Light-Emitting Diodes
the history of LED lighting - energy saving lighting
LEDs, the Next Big Thing in Lighting - Elevate
Invention History Light Emitting Diode LED by Henry Round,Oleg Losev
The history of LED lighting | Technology history, Electronic engineering, Led commercial lighting
LED Lights - How it Works - History
![History of LED Lighting [infographic] - LED Light & Power](http://www.ledlightandpower.com/wp-content/uploads/2017/03/LEDHistory.jpg "History of LED Lighting [infographic] - LED Light & Power")
History of LED Lighting [infographic] - LED Light & Power
