Recently,much effort has been made toward the realization of three-dimensional(3D)displays in stereoscopic and autostereoscopic configurations based on binocular disparity.Especially,among several types of autostereoscopic 3D displays,the use of a parallax barrier [1],or a lenticular lens array [2-5] has become a part of the mainstream due to the simplicity in operation.The parallax barrier system has a series of slits in front of the panel,allowing each eye to see a different set of pixels.