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  2. Light-emitting diode - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode

    Close-up image of a surface-mount LED Close-up of an LED with the voltage being increased and decreased to show a detailed view of its operation A bulb-shaped modern retrofit LED lamp with aluminum heat sink, a light diffusing dome and E27 screw base, using a built-in power supply working on mains voltage

  3. LED tube - Wikipedia

    en.wikipedia.org/wiki/LED_tube

    LED tubes are typically made of durable plastic and aluminium, which means that they will not shatter. The technical development of LED tubes has been fast throughout their entire marketing period. Luminous efficacy has reached even 150lm/w. Similarly to other retrofit light sources, a LED tube requires control gear to function.

  4. T5 retrofit conversion - Wikipedia

    en.wikipedia.org/wiki/T5_retrofit_conversion

    T5 retrofit conversion is a means of converting light fittings designed to use T8 format lamps, so that they can use more energy-efficient T5 lamps. [1] This is done by electronically converting the luminaires to high frequency operation.

  5. Seesmart Performs Expansive LED Retrofit for Regis High ... - AOL

    www.aol.com/news/2012-12-13-seesmart-performs...

    Regis' estimated LED retrofit benefits include significant energy savings of more than $36,000 and over 116,000 kilowatt-hours per year with a carbon footprint reduction of almost 120,000 pounds ...

  6. 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 ...

  7. LED street light - Wikipedia

    en.wikipedia.org/wiki/LED_street_light

    An LED street light or road light is an integrated light-emitting diode ... Many LED lighting retrofits have been claimed to dramatically reduce energy use. [6]

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