Light-emitting diode - Wikipedia
50 Years of LED Technology | WIRED
3M's first LED bulb uses TV tech to appeal to lighting Luddites | ExtremeTech | Led bulb, Electrical engineering books, Led
History of LED Lights: A Comprehensive Overview
the history of LED lighting - energy saving lighting
File:Early LED Patents.png - Wikimedia Commons
History of the LED
The history of the LED
Philips unveils world's first LED replacement for most common household light bulb | LEDs Magazine
Early Green & Red LEDs (Unknown Mfr.) - Industrial Alchemy
Make the First LED From 1907 - H.J. Round - Instructables
History Of White LEDs | Hackaday
Oct. 9, 1962: First Visible LED Is Demonstrated | WIRED
LED lamp - Wikipedia
Light-emitting diode - Wikipedia
GE SSL-5A - Gallium Arsenide Infrared LED
:max_bytes(150000):strip_icc()/__opt__aboutcom__coeus__resources__content_migration__treehugger__images__2011__10__led_bulbs-67a0ed78e1114b58a2d017e82c138816.jpg "Behold the Revolution: LED Bulbs Are Now as Cheap as Incandescents")
Behold the Revolution: LED Bulbs Are Now as Cheap as Incandescents
For The First Time (or the last time): 1968: first commercial LED
Amazon.com: 【Early Black Friday】3W Blue LED Spotlight, LED Pinspot Light Stage Beam Light, DJ Ball Light for KTV Bar Party Lighting : Musical Instruments
RND útmutató a LED-meghajtókhoz - KnowHow
Monsanto MV1 - The First Successful Red LED
High Efficacy Redesign - Revolution Micro
Sexiest LED lightbulb ever is first true alternative to incandescents | Grist
The First Light Emitting Diodes - YouTube
Nobel Shocker: RCA Had the First Blue LED in 1972 - IEEE Spectrum
History of LED - Development of Light-Emitting Diodes
History of LED Lighting | Shine Retrofits Lighting Blog
