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  2. 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 ...

  3. Maglite - Wikipedia

    en.wikipedia.org/wiki/Maglite

    2009: Next Generation Mag-LED Technology: Featuring a new Luxeon Rebel LED and extended battery life. 2010: Maglite XL100: offers a motion-controlled user interface using a built-in accelerometer 2010: Maglite XL50: This is a simpler version of the XL100, featuring three modes that can be activated with consecutive presses of the tailcap switch.

  4. Philips Hue - Wikipedia

    en.wikipedia.org/wiki/Philips_Hue

    Philips Hue is a line of color-changing LED lamps and white bulbs which can be controlled wirelessly. The Philips Hue line of bulbs was the first smart bulb of its kind on the market. [ 3 ] The lamps are currently created and manufactured by Signify N.V. , formerly the Philips Lighting division of Royal Philips N.V. [ 1 ] [ 4 ]

  5. Luminous flux - Wikipedia

    en.wikipedia.org/wiki/Luminous_flux

    Luminous flux (in lumens) is a measure of the total amount of light a lamp puts out. The luminous intensity (in candelas) is a measure of how bright the beam in a particular direction is. If a lamp has a 1 lumen bulb and the optics of the lamp are set up to focus the light evenly into a 1 steradian beam, then the beam would have a luminous ...

  6. Lumen (unit) - Wikipedia

    en.wikipedia.org/wiki/Lumen_(unit)

    A 470-lumen LED lamp. It consumes about one sixth the electrical power of an incandescent light bulb producing the same light. Lamps used for lighting are commonly labelled with their light output in lumens; in many jurisdictions, this is required by law. A 23 W spiral compact fluorescent lamp emits about 1,400–1,600 lm.

  7. Candela per square metre - Wikipedia

    en.wikipedia.org/wiki/Candela_per_square_metre

    lux (= lumen per square metre) lx (= lm/m 2) L −2 ⋅J: Luminous flux incident on a surface Luminous exitance, luminous emittance M v: lumen per square metre lm/m 2: L −2 ⋅J: Luminous flux emitted from a surface Luminous exposure: H v: lux second: lx⋅s L −2 ⋅T⋅J: Time-integrated illuminance Luminous energy density ω v: lumen ...