| 摘要 |
PROBLEM TO BE SOLVED: To provide a multi-screen display device that can appropriately control a light source according to a brightness mode.SOLUTION: In a multi-screen display device, a micro computer 43 calculates target brightness for each brightness mode; projection type video display devices 100 each identify a control current value to be a target, which corresponds to the target brightness calculated in accordance with the brightness mode set to each of the projection type video display devices 100; and the projection type video display devices 100 each supply a current indicating the identified control current value to a light source 34 of each of the projection type video display devices 100. |
