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As of 2010 some LED lamps replaced higher wattage bulbs; for example, one manufacturer claimed a 16-watt LED lamp was as bright as a 150 W halogen lamp. A standard general-purpose incandescent bulb emits light at an efficacy of about 14 to 17 lm/W depending on its size and voltage.
Efficiency: LEDs emit more lumens per watt than incandescent light bulbs. [63] The efficiency of LED lighting fixtures is not affected by shape and size, unlike fluorescent light bulbs or tubes. Size: LEDs can be very small (smaller than 2 mm 2 [64]) and are easily attached to printed circuit boards.
The original competition, launched in 2008, focused on an LED replacement for the common 60-watt light bulb and this L-Prize was awarded in 2011. The PAR38 competition was launched but received no entries and was suspended in 2014. The 21st Century Lamp competition was never opened.
Compared to a 60-watt incandescent bulb, a 15-watt CFL bulb uses a quarter of the energy and lasts 10 times as long while a 12W LED light uses as little as one-fifth as much energy and lasts 25 ...
LED brightness may be increased by using a higher driving current, ... 14–25 75–85 8.4–9.1 120 yes 70 125 1616 1.6 × 1.6 1206 1.2 × 0.6 3–6 55–60
LED prices fell well below US$5 for a basic bulb in 2015. [19] In the United States, CFLs were also facing the possibility of proposed regulations for 2017 that would create difficulty qualifying for the Energy Star rating. [19] In early 2016, General Electric announced it would phase out CFL production in the US. [19] [5]
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