Limitations in the video-projection LCD

1st An LCD TVs can explain what is often called the “Because screen saver door.” The display consists of individual pixels, hey, therefore, can be obtained on a large canvas. That gives it the appearance, if the images on a screen through the door.

2.The construction LCD RPTV may sound simple, but they are more complex and therefore usually much more expensive than their colleagues CRT.

3rd Since an LCD chip consists of a group of individual pixels, a pixel burns, it shows a coercive situation point black or white on the projected image. Individual pixels can not be repaired, if one or more pixels of exhaustion professional, the whole chip must be changed.

4th Since LCD chips have a limited number of pixels, input signals, which have higher resolutions depending on the size of the pixel count of LCD chip. For example, a kind of 1080i HDTV format require a view of native 1920×1080 pixels on a one-to-one believes the picture HDTV. However, if your screen, on a single chip area of 1024×768 pixels, HDTV signal must depending on the size of 1024×768 pixels on the LCD screen with Chip (in addition to the image should be in the “letter box” for the reproduction Good widescreen aspect ratio). Where the basis of CRT rear projection modules can be performances on an LCD screen back-projection. Since CRT, must not be covered by an array of pixels, they are more flexible in the display of different resolutions, since the amounts are in a position to return the variable image in the hose from the surface projected.