| 摘要 |
An image display device includes: pixels in first and second directions; a polarization controller providing first and second polarization axis light; and a controller. The polarization controller includes first electrodes extending in the first direction on a first substrate with a predetermined interval in the second direction, and second electrodes extending in the first direction on a second substrate with an interval in the second direction twice the predetermined interval. The controller switches display between dual-screen and three-dimensional modes. In the dual-screen mode, the controller applies voltages to the second electrodes so adjacent electrodes have opposite phases, and applies the same phase voltage as one of the second electrode voltages to the first electrodes. In the three-dimensional mode, the controller applies voltages to the first electrodes so adjacent electrodes have opposite phases, and applies the same phase voltage as one of the first electrode voltages to the second electrodes.
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