Description of Light Emitting Diode (LED)
Quick Overview
Light Emitting Diodes, commonly known as LEDs, are semiconductor light sources that emit light when current flows through them. Known for their energy efficiency and long lifespan, they are commonly used in display screens, indicators, lighting, and myriad other applications.
How It Works
LEDs are diodes, a type of semiconductor, that emit light when an electric current passes through them. The light is produced via a process called electroluminescence. Unlike traditional incandescent bulbs, LEDs do not have a filament and produce light more efficiently. They are typically powered and controlled through a resistor or a constant current source.
Technical Specification
- Operating Voltage: Varies by type (commonly 1.8V to 3.3V)
- Current: 10-30 mA (depends on color and type)
- Wavelength: Depends on color (400-700 nm)
- Lifespan: Up to 100,000 hours
Key Features
- Energy-Efficient: Consumes less power compared to traditional light sources.
- Long Lifespan: Can last up to 100,000 hours.
- Compact Size: Available in various sizes and shapes for specific needs.
- Color Variety: Available in a wide range of colors, including RGB variants.
Application
- Application of an Light Emitting Diode (LED) Module Indicator lights for devices and appliances.
- Backlighting for display screens.
- Outdoor and indoor lighting solutions.
- Automotive lighting.
- Signal and sign lighting.
Summary
A Light Emitting Diode (LED) is a semiconductor device that emits light when current flows through it. It's widely used for indicators, lighting, and displays due to its energy efficiency and longevity. LEDs come in various colors and sizes, making them versatile for many applications.
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