Patent ID: 9640098
Date: 2017-05-02
CPC Classifications: G01J,G06F,G09G,H04N

Claim:
1. An image display device comprising: a display panel; a casing to hold the display panel; a moving bar, provided at the casing, the moving bar being configured to be movable in a first direction while overlapping the display panel; a calibration sensor, at the moving bar, to be movable in a second direction perpendicular to the first direction, the calibration sensor to obtain calibration information related to the display panel; a controller to control the display panel based on the obtained calibration information; and a screw device, having a thread, at one side of the casing, and the screw device to extend along the side of the casing, and wherein the moving bar to move in the first direction based on rotation of the screw device.