The front and the sweep illumination in order to overcome the LCD lag in rear projection type displaying

摘要

The liquid crystal panel (13) the method of illuminating the indicatory territory is offered. Illumination light (17) it compresses in the stripe, refresh cycle of display same period does that and it scans over the indicatory territory. In order concrete for there to be on the latter half of the cycle refreshment period most of the illumination light which hits against that line vis-a-vis each line of display, as a result of scan for that line, it scans. It improves the ability to indicate the portable object this way.