The full name of LED is Light Emitting Diode. Everyone must want to know how does an LED light work? Let’s see the following explanation. LED is a component that converts electrical energy into light. Inject Electrons and Holes into components composed of n-type (negative electrode) semiconductors, p-type (positive electrode) semiconductors, and active layers. After electrons and holes undergo radiative recombination in the active layer, energy and light will be generated. Meaning that when electricity passes through it, it will glow.
After a preliminary understanding of the principle of LED light emission, let’s talk about the advantages and specification of LED.
Advantages of LED:
- High efficiency
- Long service life, not affected by continuous flashing
- Not easy to damage
- Fast response
- Energy (electrical energy into light energy) efficiency, more energy-saving
- Small size
- Environmentally friendly and mercury-free.
How to interpret LED specifications:
- Wattage (W): Refers to the LED power consumption, the higher the wattage, the more power consumption.
- Color temperature (CCT): the unit is K, the larger the value, the whiter the luminous color; the smaller the value, the more yellow.
- Luminous flux (lm): Brightness, the larger the value, the brighter it is.
- Color rendering (CRI): The fidelity of image color rendering, the higher the value, the closer to the real color.
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