Learned from the foreign media, most of the normal size of the projector more use of halogen lamps as their light source, which makes the projector more than in any environment can be projected on the screen a full color image. However, the volume of the projector is now getting smaller and smaller size, large number of standard halogen lamps are also beginning to be replaced by the smaller LED lights. These small lights will quickly become a lot of micro-projection light source of choice for device manufacturers. led lights is not only incredibly small, the energy consumption of a small, compact projector is the ideal choice.
In addition, LED lamp life as long, according to the relevant person to evaluate the life span of up to 30,000 hours, while typical of halogen lamps can only be maintained at between 2000-3000 hours. The most important aspect is, LED lamp is 100% non-toxic, does not contain any harmful substances such as mercury.
However, for now the only other light micro-projector system is the laser system, which uses lasers to create three-color display technology. However, only a few models now use this light system on the market compared to the number of LED light source with a more or less.