We often hear the word LED, but you may not know what LED means. Let’s take a look at what LED means and what English words it is abbreviated from. LED is the abbreviation of English: light emitting diode, Chinese translation. Led is a device that passes forward current through a semiconductor pn junction or similar structure to emit visible light, infrared rays, and ultraviolet rays with high efficiency. led as a 2.1.2 Main parameters and characteristics of LED LED is an optoelectronic device made of pn junction using compound materials. It has the electrical characteristics (i-v characteristics, c-v characteristics) and optical characteristics (spectral response characteristics, luminous light intensity directivity characteristics, time) of pn junction type devices.
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The following is a detailed explanation of the LED manufacturing process from the three parts of the LED substrate, epitaxial wafer, and pn junction electrode. 1.2.1 Selection of LED substrate materials For the production of LED chips, the selection of substrate materials is the primary consideration. What kind of suitable lining should be used?
