1. Light source
The type and brightness of the light source
Projector light sources generally include LED light sources, high-pressure pump bulbs, laser light sources, and xenon lamps.
Its advantage is that it can be used for a long time, but its disadvantage is also obvious, that is, the brightness is very low, so it can only be used at night or in a dark environment.
High pressure pump light source
The brightness is very high, so it has a strong heating phenomenon, so it needs to be equipped with a strong heat dissipation device, resulting in greater wind noise. In addition, its service life is relatively short.
Xenon light source
High brightness, short life, expensive
Laser light source
At the same time, it satisfies the two advantages of long service life and high brightness, and is an ideal choice for projector light sources.
The brightness of the projector's light source is usually expressed in "ANSI lumens". The higher the value, the brighter the brightness. Generally, household projectors usually choose a projector with a brightness of at least 2000 ANSI lumens to ensure that no matter at night or in bright daytime, All can be high-definition high-brightness picture experience and effects.
In addition, light source lumens ≠ ANSI lumens
The light source lumen is the initial brightness without any attenuation, and the ANSI lumen is the final actual brightness value.
