| 摘要 |
A projector includes a liquid crystal light valve to which the image data is written in a line sequential manner, a polarization switching element for switching between the first and second polarization states throughout the switching areas in a line sequential manner, and a birefringent optical element for changing the light path of the incident light in accordance with the polarization state thereof. The boundary position between the switching areas of the first and second polarization states moves in sync with the boundary position between the first and second image data writing areas corresponding to the first and second sub-frame.
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