Patent ID: 7817338
Filing Date: 2010-10-19
Classification: G03B

Abstract:
1. A projector screen that is used together with an LCD projector for projecting a moving image being a result of scanning output of a video signal, and displays the moving image by a projection light reaching thereto after being emitted when the projector projects the moving image, the projector screen comprising: a screen member that configures a partition screen area being a part of a screen area of displaying the moving image partitioned into a plurality of rows, and is capable of mode change between a first mode of delivering the projection light having reached the partition screen area to a side of a viewer, and a second mode of not delivering the projection light having reached the partition screen area to the viewer; and mode changing means for moving, for the screen member of each of the rows of the screen area, by controlling each of the screen members so as to change a mode between the first and second modes, any of the partition screen areas changed to the second mode in the screen area.