When.com Web Search

  1. Ads

    related to: 3000k vs 4000k for kitchen

Search results

  1. Results From The WOW.Com Content Network
  2. Color temperature - Wikipedia

    en.wikipedia.org/wiki/Color_temperature

    The black-body radiance (B λ) vs. wavelength (λ) curves for the visible spectrum.The vertical axes of Planck's law plots building this animation were proportionally transformed to keep equal areas between functions and horizontal axis for wavelengths 380–780 nm.

  3. Fluorescent-lamp formats - Wikipedia

    en.wikipedia.org/wiki/Fluorescent-lamp_formats

    Fluorescent lamps in various embodiments. Since their introduction as a commercial product in 1939, many different types of fluorescent lamp have been introduced. Systematic nomenclature identifies mass-market lamps as to overall shape, power rating, length, color, and other electrical and illuminating characteristics.

  4. Correlated color temperature - Wikipedia

    en.wikipedia.org/wiki/Correlated_color_temperature

    Log-log graphs of peak emission wavelength and radiant exitance vs black-body temperature, plotted on the blue line. Red arrows show that 5780 K black bodies have 501 nm peak wavelength and 63.3 MW/m 2 radiant exitance.

  5. 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 ...

  6. Compact fluorescent lamp - Wikipedia

    en.wikipedia.org/wiki/Compact_fluorescent_lamp

    A compact fluorescent lamp (CFL), also called compact fluorescent light, energy-saving light and compact fluorescent tube, is a fluorescent lamp designed to replace an incandescent light bulb; some types fit into light fixtures designed for incandescent bulbs.

  7. Standard illuminant - Wikipedia

    en.wikipedia.org/wiki/Standard_illuminant

    The CIE defines illuminant A in these terms: CIE standard illuminant A is intended to represent typical, domestic, tungsten-filament lighting.