Patent ID: 8553162

Claim:
A 3D image display device comprising: a display unit displaying left-eye images and right-eye images alternately in a time-sharing manner; a display-side polarizing plate arranged on a side of a display surface of the display unit; and shutter glasses having a left-eye shutter and a right-eye shutter, opening and closing the left-eye shutter and the right-eye shutter in accordance with display states of images displayed on the display unit, wherein each of the left-eye shutter and the right-eye shutter includes a liquid crystal cell, a retardation plate arranged at the liquid crystal cell on the side of the display unit, and a first glasses-side polarizing plate arranged at the liquid crystal cell on an opposite side of the side where a retardation plate is provided, and a polarization axis of the display-side polarizing plate and a polarization axis of the first glasses-side polarizing plate are orthogonal to each other, and the polarization axis of the display-side polarizing plate and a retardation axis of the retardation plate are parallel or orthogonal to each other.