电视机的类型如何为家庭影院选购一台合适的电视机即使在今天也是件不容易决定的事。电视基本上可分为三种类型:直视式、前投式和背投式。直视式是我们最熟悉的,可以直接观看电视机的显示屏。前投式电视机在放影厅和舞厅里可以看到,一般安放在天花板上,早期的机器内部有三个投影管,即红、绿、蓝三色。这三种色彩按正确的比例进行混合,就可以出千万种色彩来。目前,前投式电视机普遍使用液晶显示技术或新型的DLP显示技术, Types of TVs How to buy a suitable TV for your home theater is not easy to decide even today. TV basically can be divided into three types: direct-viewing type, the former cast and rear projection. Direct-view is the most familiar to us, you can watch the TV display. The front cast TV can be seen in the playroom and ballroom, usually on the ceiling. There are three projection tubes in the early machine, namely red, green and blue. The three colors are mixed in the right proportions, you can come out thousands of colors. At present, the former cast TV commonly used liquid crystal display technology or new DLP display technology,