The projector is a versatile device that allows you to solve many tasks: to hold a conference or demonstrate a business plan , effectively organize a lecture at the university or a lesson at school, show the best photos to friends or just watch a movie. Variations on the choice of many. But the LED projector is the last word in the world of optical devices.
How does the LED projector work?
Unlike conventional projectors, in such a device, instead of conventional lamps, LEDs are used. These light sources are used in base colors - green, red and blue, so that high-quality image transmission is carried out. The main advantage of a projector with a LED lamp is its small size. Moreover, without heating, LEDs do not require the installation of coolers, due to which the dimensions of such devices are minimal.
Of course, there is a shortage, and considerable. The fact is that the total light flux generated by the LEDs in the projector can not be called powerful. The maximum figure is about 1000 lumens. Of course, LED projectors for a home with such power - this is quite a real thing. But for professional purposes the device with LEDs will not work.
How to choose an LED projector?
Most often, projectors based on LED lamps are used as a budget home theater. Modern multimedia LED projectors are able to demonstrate virtually any digital content, whether it's MP4 or AVI, JPEG or GIF, MPEG or DIVX. To make your projector truly universal, make sure before purchasing that it really reproduces the most popular formats.
For home use or professional activities, we recommend that you pay attention to HD LED projectors, so that the widescreen video from your media is designed in the appropriate resolution. Most often on sale there are resolutions of 1280x800, 1920x1080, 1920x1200, 1600x1200. For
The presence of various connectors and ports will allow you to connect the projector to almost any device. Mostly use a USB port, jack 3.5 mm for headphones, VGA for contact with PC and HDMI. The built-in acoustic module will allow you to view video files without having to organize a sound system.
Typically, almost all LEDs are small in size, approximately like a thick pad. For trips and business trips it is preferable to get a portable LED projector, which easily fits in the palm of an adult.