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  2. Edison light bulb - Wikipedia

    en.wikipedia.org/wiki/Edison_light_bulb

    Original carbon-filament bulb from Thomas Edison's shop in Menlo Park. Light bulbs with a carbon filament were first demonstrated by Thomas Edison in October 1879. [1] [2] These carbon filament bulbs, the first electric light bulbs, became available commercially that same year. [3]

  3. Longest-lasting light bulbs - Wikipedia

    en.wikipedia.org/wiki/Longest-lasting_light_bulbs

    Thomas Edison designed a bulb that was supposed to last forever, called the Eternal Light, and turned it on on October 22, 1929. The bulb is located in the Edison Memorial Tower at the Thomas Edison Center at Menlo Park, a small museum near the tower in Menlo Park, New Jersey. The tower fell down in 1937, but the bulb's power was supposedly ...

  4. LED lamp - Wikipedia

    en.wikipedia.org/wiki/LED_lamp

    A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...

  5. LED filament - Wikipedia

    en.wikipedia.org/wiki/LED_filament

    A 230-volt LED filament light bulb, with a B22 base. The filaments are visible as the four yellow vertical lines. A LED filament light bulb is a LED lamp which is designed to resemble a traditional incandescent light bulb with visible filaments for aesthetic and light distribution purposes, but with the high efficiency of light-emitting diodes (LEDs).

  6. Timeline of lighting technology - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_lighting...

    1879 Thomas Edison and Joseph Swan patent the carbon-thread incandescent lamp. It lasted 40 hours. 1880 Edison produced a 16-watt lightbulb that lasts 1500 hours. 1882 Introduction of large scale direct current based indoor incandescent lighting and lighting utility with Edison's first Pearl Street Station

  7. A-series light bulb - Wikipedia

    en.wikipedia.org/wiki/A-series_light_bulb

    An A-series light bulb. The A-series light bulb is the "classic" glass light bulb shape that has been the most commonly used type for general lighting service (GLS) applications since the early 20th century. It has a pear-like shape and is typically fitted to either an Edison screw or a bayonet cap base.