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Lighting through the ages (legend)

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

AntiquityEdit

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18th centuryEdit

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19th centuryEdit

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20th centuryEdit

  • 1900 Frederick Baldwin patents a carbide lamp for use on bicycles.<ref>{{#if:656874

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  • 1921 Junichi Miura creates the first incandescent lightbulb to utilize a coiled coil filament.
  • 1925 Marvin Pipkin invents the first internal frosted lightbulb.
  • 1926 Edmund Germer patents the modern fluorescent lamp.
  • 1927 Oleg Losev creates the first LED (light-emitting diode).
  • 1953 Elmer Fridrich invents the halogen lamp.<ref>{{#invoke:citation/CS1|citation

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  • 1972 M. George Craford invents the first yellow light-emitting diode.
  • 1972 Herbert Paul Maruska and Jacques Pankove create the first violet light-emitting diode.
  • 1981 Philips sells their first Compact Fluorescent Energy Saving Lamps, with integrated conventional ballast.
  • 1981 Thorn Lighting Group exhibits the ceramic metal-halide lamp.
  • 1985 Osram answers with the first electronic Energy Saving Lamps to be very successful.<ref name="DrThomasKlett" />
  • 1987 Ching Wan Tang and Steven Van Slyke at Eastman Kodak create the first practical organic light-emitting diode (OLED).
  • 1990 Michael Ury, Charles Wood, and several colleagues develop the sulfur lamp.
  • 1991 Philips invents a fluorescent lightbulb that lasts 60,000 hours using magnetic induction.
  • 1994 T5 lamps with cool tips are introduced to become the leading fluorescent lamps with up to 117 lm/W with good color rendering. These and almost all new fluorescent lamps are to be operated on electronic ballasts only.<ref name="DrThomasKlett" />
  • 1994 The first commercial sulfur lamp is sold by Fusion Lighting.
  • 1995 Shuji Nakamura at Nichia labs invents the first practical blue and with additional phosphor, white LED, starting an LED boom.<ref name="DrThomasKlett" />

21st centuryEdit

  • 2008 Ushio Lighting demonstrates the first LED filament.<ref>{{#invoke:citation/CS1|citation

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  • 2011 Philips wins L Prize for LED screw-in lamp equivalent to 60 W incandescent A-lamp for general use.

ReferencesEdit

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