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Lighting through the ages ( legend)
The price of lighting through the ages
Phase-out of incandescent light bulbs LED filament Light-emitting diode Sulfur lamp Organic light-emitting diode Compact fluorescent lamp Sodium-vapor lamp#High-pressure sodium Light-emitting diode Halogen light bulb Light-emitting diode Sodium-vapor lamp Incandescent light bulb#Revolution of the tungsten filament, inert gas, and the coiled coil Incandescent light bulb#Revolution of the tungsten filament, inert gas, and the coiled coil Neon lighting Tungsten filament Mercury-vapor lamp Gas-discharge lamp Gas mantle Incandescent light bulb#Dominance of carbon filament and vacuum Electric light bulb Fluorescent lamp Geissler tube Arc lamp Gas lighting Argand lamp

Artificial lighting technology began to be developed tens of thousands of years ago and continues to be refined in the present day.


18th century

19th century

20th century

21st century

  • 2008 Ushio Lighting demonstrates the first LED filament.
  • 2011 Philips wins L Prize for LED screw-in lamp equivalent to 60 W incandescent A-lamp for general use.


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  4. ^ In The Beginning: 10 Inventors of the Incandescent Lightbulb
  5. ^ Great Barrington Historical Society, Great Barrington, Massachusetts
  6. ^ Great Barrington 1886 - Inspiring an industry toward AC power
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