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LEDs and LED Lighting

A light-emitting diode (LED) is a two-lead semiconductor light source. It is a pn-junction diode, which emits light when activated. When a suitable voltage is applied to the leads, electrons are able to recombine with electron holes within the device, releasing energy in the form of photons. This effect is called electroluminescence, and the color of the light (corresponding to the energy of the photon) is determined by the energy band gap of the semiconductor. An LED is often small in area (less than 1 mm2) and integrated optical components may be used to shape its radiation pattern. An LED lamp is a light-emitting diode (LED) product that is assembled into a lamp (or light bulb) for use in lighting fixtures. LED lamps have a lifespan and electrical efficiency that is several times better than incandescent lamps, and significantly better than most fluorescent lamps, with some chips able to emit more than 100 lumens per watt. The LED lamp market is projected to grow by more than twelve-fold over the next decade, from $2 billion in the beginning of 2014 to $25 billion in 2023, a compound annual growth rate (CAGR) of 25%. Like incandescent lamps and unlike most fluorescent lamps (e.g. tubes and compact fluorescent lamps or CFLs), LEDs come to full brightness without need for a warm-up time; the life of fluorescent lighting is also reduced by frequent switching on and off.[citation needed] Initial cost of LED is usually higher. Degradation of LED dye and packaging materials reduces light output to some extent over time.

LED Displays > LEDs and LED Lighting > LED Driver

Part No.	DS	Manufacturer	D/C	Qty	Region	Action
RT8470GJ5		Richtek	2012+	1897	China	Request A Quote
RT8470GJ5		Richtek	2010+	2700	China	Request A Quote
RT8470GJ5		Richtek	2012+	1897	China	Request A Quote

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