Patent ID: 7794091

Claim:
An image offset adjustment apparatus for an LCD projector including a light source for emitting light, mirrors arranged in front of the light source to reflect light, and an LCD installed in front of the mirrors so that reflected light is transmitted to the LCD, that, when electric signals corresponding to a desired image drive liquid crystals and are selectively applied to a plurality of electrodes, alignment of the liquid crystals filled in the selected electrodes is changed to generate an image, and that the image generated in the LCD is enlarged and projected on a screen, the image offset adjustment apparatus comprising: a projection lens section including a projection lens having a front surface on which the LCD is located; moving means positioned adjacent to the projection lens to move the projection lens; and a controller for controlling the moving means so that the LCD can be moved integrally with the projection lens when the projection lens is moved, to select one of image offsets as desired by a user.