Led diode have the following main characteristics:
Features
1, High electro-optical conversion efficiency:
The electro-optical conversion efficiency of LEDs far exceeds that of traditional light sources such as incandescent lamps and fluorescent lamps, with a luminous efficiency of up to 50 to 200 lumens per watt.
2, Long lifespan:
The lifespan of LEDs can reach tens of thousands to hundreds of thousands of hours, significantly longer than that of traditional light sources.
3. Fast response time:
The response time of LEDs is in the nanosecond range, making them suitable for high-frequency operations.
4, Low-voltage driving:
LEDs can operate at low voltages, featuring safety and energy efficiency.
5, Good monochromaticity:
The light emitted by LEDs has good monochromaticity and a narrow spectrum, allowing it to directly emit colored visible light without the need for filtering.
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6, Small size and compact structure:
LEDs have a small size and compact structure, making them suitable for various small devices.
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7, No ultraviolet or infrared radiation:
LEDs do not produce ultraviolet or infrared radiation during operation, offering excellent environmental performance.
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8, Strong shock resistance:
LEDs have good shock resistance and are suitable for use in vibrating environments.
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9, Mercury-free and environmentally friendly:
The spectrum of white LEDs is almost entirely concentrated in the visible light range, without mercury pollution.
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The types of light-emitting diodes (LEDs) mainly include the following:
Monochromatic light-emitting diodes: This is the most common type of LED. After being powered on, it can only emit light of a single color, such as red, green, blue, yellow, etc. According to the shape of the casing, they can be classified into round, square and irregular shapes, and there are also various size options.
Color-changing light-emitting diode: This type of LED can change colors, usually controlled by different currents or voltages, and is suitable for applications that require multiple color displays.
Flashing light-emitting diode: This type of LED can control the frequency of light flashing and is often used in warning lights or special effect lights.
Infrared light-emitting diodes: mainly used in wireless communication, remote control and other fields, emitting infrared light.
Ultraviolet light-emitting diodes: used in fields such as ultraviolet detection and sterilization.
Organic Light-Emitting Diode (OLED): This is a new type of display technology, featuring self-luminescence, high contrast, and flexible display, and is widely used in mobile phone screens and televisions, etc.
In addition, LEDs can also be classified according to other features
By luminous color: red, orange, green (including yellowish green, standard green and pure green), blue and white, etc.
By light-emitting surface features: round lamps, square lamps, rectangular lamps, surface-emitting diodes, side-emitting tubes, and surface-mount miniature tubes, etc.
By structure: fully epoxy encapsulated, metal base epoxy encapsulated, ceramic base epoxy encapsulated, and glass encapsulated, etc.
By luminous intensity and operating current: normal brightness (luminous intensity below 100 mcd) and high brightness (above 100 mcd).
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