Patent ID: 8529066
Filing Date: 2013-09-10
Classification: G02B,G03B,H04N

Abstract:
1. A projector comprising: a light source; a light modulator that modulates light from the light source based on first image data corresponding to an image for the left eye or second image data corresponding to an image for the right eye, the first image data and the second image data written in advance alternately in first and second periods temporally adjacent to each other to a plurality of pixels arranged in a matrix by using a line sequential method; a polarization switching device having a plurality of linear switching areas where the polarization state of light incident thereon is switched between a first polarization state and a second polarization state along a temporal axis, the polarization switching device switching the polarization state between the first polarization state and the second polarization state for each of the plurality of switching areas by using the line sequential method; a light transfer system that transfers light modulated by the light modulator to the polarization switching device and substantially focuses the modulated light on the polarization switching device to form an intermediate image; a projection system that projects the intermediate image formed on the polarization switching device; and a controller that controls the polarization switching device, wherein the controller switches the polarization state between the first polarization state and the second polarization state by using the line sequential method in such a way that a boundary position on the polarization switching device between a switching area that provides the first polarization state and a switching area that provides the second polarization state is shifted substantially in synchronization with a shift of a boundary position that is on the intermediate image and corresponds to a boundary position on the light modulator between an area where the first image data is written and an area where the second image data is written.