There are 3 major kinds of light sources commonly used in projectors: lamp, LED, and laser.
1. Lamp
The lamp is widely used in traditional projectors.
Pros：
The price of lamp projectors is relatively low.
High brightness or lumens.
Cons：
Life span is short, meaning that you need to replace the lamp.
High energy consumption.
2. LED
LED is commonly used in home projectors.
Pros：
Long life span.
Good color saturation.
Portable and durable.
Energy-efficient.
Cons：
Medium brightness and price.
3. Laser
Laser projectors are widely applied in offices, entertainment venues, and museums.
Pros:
High brightness or lumens.
Good color saturation.
Energy-efficient.
Cons:
Too expensive compared with the two other light sources.
That’s all for the analysis of three kinds of projectors in terms of light sources. You can pick according to your needs.
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