LEDs (that's "ell-ee-dees") are a particular type ofdiodethat convert electrical energy into light. In fact, LED stands for "Light Emitting Diode." (It does what it says on the tin!) And this is reflected in the similarity between the diode and LED schematic symbols: ...
From the background information supplied by the inventors, news correspondents obtained the followingquote: "Light emitting diodes (LEDs) convert electrical energy into optical energy, and offer many benefitsover other light sources, such as reduced size, improved durability, and increased efficiency. ...
Compared with conventional light sources that first convert electrical energy into heat, and then into light, LEDs (Light Emitting Diodes) convert electrical energy directly into light, delivering efficient light generation with little-wasted electricity. ...
Light emitting diodes (LEDs) are an important class of solid state devices that convert electric energy to light. LEDs typically provide an active layer of semiconductor material sandwiched between two oppositely doped layers. When a bias is applied across the doped layers, holes and electrons are...
A Light Emitting Diode (LED) is a solid-state semiconductor device that converts electrical energy directly into light. To learn more about how an LED light produces light clickhere. Q: What is solid-state lighting? Lighting devices that do not contain moving parts or parts that can break,...
to convert the electrical energy into the optical power perceived by a human eye in standard conditions. The voltage and current requirements of a LED varies based on the semiconductor material used in the diode and the wavelength of the light emitted; usually the voltage ranges from 1.5 to 3...
For EL wire applications that won't work with standard electrical outlets, battery power is the way to go. Because batteries provide direct current (DC), your battery-powered EL wires require an inverter, which converts DC into the AC you need. When it comes to inverters, two factors will...
Incandescent light bulbs convert only 10 percent of electrical energy into light, with the remaining 90 percent lost to heat. They are being replaced worldwide with less-wasteful fluorescent light sources, but the most efficient approach is direct conversion of electricity into light using electrolumin...
LEDs are solid-state semiconductor devices that convert electrical energy directly into light. Recent increases in LED performance, combined with their small size, low power consumption and high reliability, make LED technology a realistic option for automotive designers specializing in exterior lighting,...
(spin-LEDs) convert the electronic spin information to photon circular polarization, but they are usually controlled only by external magnetic fields. Here, the authors report the realization of spin-LEDs based on 2D CrI3/hBN/WSe2heterostructures, showing electrical tunability of the ...