Patent ID: 8922459

Claim:
A video projecting apparatus comprising: a video processing unit that processes a video signal input from outside; a liquid crystal display panel that is driven based on the video signal processed by the video processing unit, the liquid crystal display panel having an aspect ratio horizontally longer than 16:9; a lens that projects a video formed by the display device to the outside; a lens driving unit that drives the lens; and a control unit that controls the video processing unit to enlarge a video source input from the outside in accordance with an aspect ratio of the video source through resolution conversion, reserves adjustment values of positions of the lens in accordance with aspect ratios of video sources, and controls the lens driving unit by calling an adjustment value corresponding to an aspect ratio of a video source input from the outside among the adjustment values, such that a black signal corresponding to black bands decreases by adding the black bands to upper, lower, right, and left sides of a video source of a movie input from the outside in accordance with an aspect ratio of the video source of the movie and then enlarging the video source through the resolution conversion.