Light-emitting diodes are simply referred to as LEDs. It is made of compounds containing gallium (Ga), arsenic (As), phosphorus (P), nitrogen (N), etc.
When electrons and holes recombine, it can radiate visible light, so it can be used to make light-emitting diodes. Used as indicator lights in circuits and instruments, or composed of text or digital displays. Gallium arsenide diodes emit red light, gallium phosphide diodes emit green light, silicon carbide diodes emit yellow light, and gallium nitride diodes emit blue light. Due to chemical properties, it is divided into organic light-emitting diode OLED and inorganic light-emitting diode LED.
Light-emitting diodes are commonly used light-emitting devices that emit energy through the recombination of electrons and holes to emit light. They are widely used in the field of lighting. Light-emitting diodes can efficiently convert electrical energy into light energy , and have a wide range of uses in modern society, such as lighting, flat panel displays, and medical devices.
This kind of electronic components appeared as early as 1962. In the early days, they could only emit low-luminance red light. Later, other monochromatic versions were developed. The light that can be emitted today has spread to visible light, infrared and ultraviolet light , and the luminosity has also increased to a considerable extent. The luminosity. The use has also been used as indicator lights , display panels, etc.; with the continuous advancement of technology, light-emitting diodes have been widely used in displays and lighting.
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