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  2. Color temperature - Wikipedia

    en.wikipedia.org/wiki/Color_temperature

    The color temperature scale describes only the color of light emitted by a light source, which may actually be at a different (and often much lower) temperature. [1] [2] Color temperature has applications in lighting, [3] photography, [4] videography, [5] publishing, [6] manufacturing, [7] astrophysics, [8] and other fields.

  3. Light-emitting diode - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode

    Doing so retains the extremely tunable color of RGB LED, but allows color rendering and efficiency to be optimized when a color close to white is selected. [ 36 ] Some phosphor white LED units are "tunable white", blending two extremes of color temperatures (commonly 2700K and 6500K) to produce intermediate values.

  4. Light-emitting diode physics - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode_physics

    In 2012, Cree announced a white LED giving 254 lm/W, [10] and 303 lm/W in March 2014. [11] Practical general lighting needs high-power LEDs, of one watt or more. Typical operating currents for such devices begin at 350 mA. These efficiencies are for the light-emitting diode only, held at low temperature in a lab.

  5. Correlated color temperature - Wikipedia

    en.wikipedia.org/wiki/Correlated_color_temperature

    Correlated color temperature (CCT, T cp) refers to the temperature of a Planckian radiator whose perceived color most closely resembles that of a given stimulus at the same brightness and under specified viewing conditions."

  6. LED lamp - Wikipedia

    en.wikipedia.org/wiki/LED_lamp

    A study completed in 2014 concluded that color temperature and accuracy of LED lights was easily recognized by consumers, with preference towards LEDs at natural color temperatures. [85] LEDs are now able to match the brightness and warmer color temperature that consumers desire from their outdoor lighting system.

  7. Chromaticity - Wikipedia

    en.wikipedia.org/wiki/Chromaticity

    The CIE 1931 xy chromaticity space, also showing the chromaticities of black-body light sources of various temperatures, and lines of constant correlated color temperature 3D chromaticity diagram of the WideGamutRGB color space. Chromaticity is an objective specification of the quality of a color regardless of its luminance.

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