Everything you ever wanted to know about LED projectors
LED is not a display technology. Instead it’s a reference to the light source used.
LED projectors have a significantly smaller footprint than those that use traditional projector lamps. Read on to find out if these projectors are right for you.
How do LED projectors work?
Instead of a bulb, these projectors have arrays of red, green, white and blue LEDs. “LED” stands for light-emitting-diode.
When an electrical signal passes through an LED, it creates subatomic particles that must shrink themselves to pass through the semiconductor. In the process of shrinking, the particles give off a photon, a particle of light.
This light then gets reflected off of a DLP chip or passed through an LCD chip.
Pros and cons of LED projectors
The biggest advantage of LED projectors is their lamp life. LEDs last at least 10 times longer than traditional projector lamps. Many LED projectors can run for 10,000 hours or more. Since the lamp lasts the life of the projector, you don’t have to worry about buying new lamps.
Because LEDs are small and operate at much lower temperatures, LED projectors are usually small, lightweight and portable.
No warm up or cool down time is needed. LED projectors are also much quieter than projectors that use traditional lamps.
The biggest disadvantage of LED projectors is their brightness. Most LED projectors currently produce only around 10 to 1,000 lumens.
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Because they are usually low-lumen, LED projectors are best for areas with controlled lighting.