LED Write for us
A light-emitting diode (LED) is a semiconductor light source that emits light once current flows through it. Although, Electrons in the semiconductor combine with electron holes, releasing energy in the form of photons. But, The color of light remains determined by the energy required for electrons to cross the semiconductor bandgap. The white light remains obtained by using multiple semiconductors or a light-emitting phosphor layer on the semiconductor device.
Similarly, The first LEDs for visible light were low intensity and limited to red. Although, Appearing by way of practical electronic components in 1962, the first LEDs emitted low-intensity infrared (IR) light. Infrared LEDs remain used in remote control circuits, such as many consumer electronics.
But, Early LEDs were often used as indicator lights, replacing small incandescent bulbs and seven-segment displays. Later growths produced LEDs available in visible, ultraviolet (UV) and infrared wavelengths, with high, low or medium light output, e.g. white LEDs suitable for spare rooms and outdoor areas. LEDs have also given rise to original types of displays and sensors, while their high switching speeds are helpful in advanced communication technology with applications as diverse as aviation lighting, fairy lights, car headlights, advertising, general lighting, etc., signals Traffic, camera flashes, backlighting, gardening lights and medical devices semiconductor Light Source
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