When.com Web Search

  1. Ads

    related to: convert blue to purple light bulb covers clip on display stand for wall

Search results

  1. Results From The WOW.Com Content Network
  2. Vacuum fluorescent display - Wikipedia

    en.wikipedia.org/wiki/Vacuum_fluorescent_display

    The light emitted by most VFDs contains many colors and can often be filtered to enhance the color saturation providing a deep green or deep blue, depending on the whims of the product's designers. Phosphors used in VFDs are different from those in cathode-ray displays since they must emit acceptable brightness with only around 50 volts of ...

  3. Light-emitting diode - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode

    The other is to use a phosphor material to convert monochromatic light from a blue or UV LED to broad-spectrum white light, similar to a fluorescent lamp. The yellow phosphor is cerium-doped YAG crystals suspended in the package or coated on the LED. This YAG phosphor causes white LEDs to appear yellow when off, and the space between the ...

  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. Multifaceted reflector - Wikipedia

    en.wikipedia.org/wiki/Multifaceted_reflector

    These lamps use a bi-pin connector for power: 12-volt MR11 bulbs usually use a GU4 base, and 12-volt MR16 bulbs usually use a GU5.3 base. The common 12-volt MR16 lamps, therefore, require a ferromagnetic or electronic transformer —sometimes misnamed as a ballast —to convert the 120- or 230-volt mains voltage to the extra-low voltage ...

  6. Light fixture - Wikipedia

    en.wikipedia.org/wiki/Light_fixture

    A wide variety of special light fixtures are created for use in the automotive lighting industry, aerospace, marine and medicine sectors. [2] [3] Portable light fixtures are often called lamps, as in table lamp or desk lamp. In technical terminology, the lamp is the light source, which, in casual terminology, is called the light bulb.

  7. Incandescent light bulb - Wikipedia

    en.wikipedia.org/wiki/Incandescent_light_bulb

    His light bulbs are on display in the museum of the Château de Blois. [a] In 1859, Moses G. Farmer built an electric incandescent light bulb using a platinum filament. [24] Thomas Edison later saw one of these bulbs in a shop in Boston, and asked Farmer for advice on the electric light business. Alexander Lodygin on 1951 Soviet postal stamp

  8. Bisexual lighting - Wikipedia

    en.wikipedia.org/wiki/Bisexual_lighting

    The bisexual pride flag, which uses pink, purple, and blue colors. George Pierpoint of BBC News writes that some social media users claim bisexual lighting has been used as an "empowering visual device" which counteracts perceived under-representation of bisexuality in the visual media. The colors may be a direct reference to the bisexual pride ...

  9. Mazda (light bulb) - Wikipedia

    en.wikipedia.org/wiki/Mazda_(light_bulb)

    Mazda brand bulbs at the Edison and Ford Winter Estates Edison Mazda light bulb tester, logo by Maxfield Parrish, at the Corning Museum of Glass. Mazda was a trademarked name registered by General Electric (GE) in 1909 for incandescent light bulbs. The name was used from 1909 to 1945 in the United States by GE and Westinghouse. Mazda brand ...