What are LEDs?

LEDs, or light–emitting diodes, are semiconductor devices that produce visible light when an electrical current passed through them. Pros of LEDs versus other bulb types are LEDs energy usage, lifetime, and flexibility.

To fully understand the benefits of LEDs, you must understand how the other bulbs work in comparison.

Incandescent

  • Light produced from electricity heating a metal filament until it becomes “white” hot (also said to be incandescence).
  • Releases 90% of their energy as heat.
  • The filament can quickly burn out prematurly.

CFL

  • Electric current flows between electrodes at each end of a tube containing gases. This reaction produces ultraviolet (UV) light and heat. The UV light is transformed into visible light when it strikes a phosphor coating on the inside of the tube.
  • Released heat radially out from the bulb.

LEDs

  • “Directional” light sources. However unique engineering allows the LED bulbs to still produce an LED light bulb that shines light all around like an A-shaped bulb.
  • LEDs generates a fraction of the heat compared to other bulbs.
  • Any heat is released from a built-in heatsink. However, LEDs may not preform the best in locations that have very hot temperatures as the heat is not properly released.
  • LEDs are the excellent choices for use in cars and environments that are subject to vibration and moisture. This is due to LEDs having no filament to break and LEDs can support a wide variety of input voltages.

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