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  2. Light-emitting diode - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode

    As illustrated by a straight line on the chromaticity diagram, simple two-white blends will have a pink bias, becoming most severe in the middle. A small amount of green light, provided by another LED, could correct the problem. [38] Some products are RGBWW, i.e. RGBW with tunable white. [39] A final class of white LED with mixed light is dim ...

  3. 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 ...

  4. LED circuit - Wikipedia

    en.wikipedia.org/wiki/LED_circuit

    is the LED's forward voltage drop in volts when lit. V f {\displaystyle V_{f}} and the LED's light frequency (which we perceive as color ) increase with the band gap of the LED's materials . Consequently, V f {\displaystyle V_{f}} ranges from around 1.7 to 2.0 volts for red LEDs to around 2.8 to 4.0 volts for violet LEDs.

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  6. Light-emitting diode physics - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode_physics

    An LED begins to emit light when more than 2 or 3 volts is applied in the forward direction. The reverse bias region uses a different vertical scale from the forward bias region to show that the leakage current is nearly constant with voltage until breakdown occurs. In forward bias, the current starts small but increases exponentially with voltage.

  7. Electricity theft in Pakistan - Wikipedia

    en.wikipedia.org/wiki/Electricity_theft_in_Pakistan

    K-Electric has introduced technologies that it says will remove "Kunda system and electricity theft". This program known as the Area Bundle Cable (ABC) System, has so far been installed in Kiamari area of Karachi and there are plans for the entire city is to be covered in the future. [16] [17]

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