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The dimming range of CFLs is usually between 20% and 90%, [59] [unreliable source] but many modern CFLs have a dimmable range of 2% to 100%, more akin to that of incandescent lights. There are two types of dimmable CFL on the market: Standard dimmable CFLs, and "switch-dimmable" CFLs.
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 ...
An LED-backlit LCD is a liquid-crystal display that uses LEDs for backlighting instead of traditional cold cathode fluorescent (CCFL) backlighting. [1] LED-backlit displays use the same TFT LCD (thin-film-transistor liquid-crystal display) technologies as CCFL-backlit LCDs, but offer a variety of advantages over them.
What is LED? These models use a physical backlight of LEDs (light-emitting diodes) to power an LCD (liquid crystal display), and are the most commonly used panel for smart TVs.
The cost of CFL and LED bulbs has decreased greatly since 2008, which shortens the time needed to pay off their initial cost. The excessive heat produced by incandescent light bulbs is frequently seen as a drawback, but it is seen as an advantage in certain applications.
Compact Fluorescent Lamps, or CFL's for short, have changed a lot in recent years. While the energy savings was unquestionable, the quality of the light coming off a CFL casts a shadow on their ...
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