A three-dimensional (3D) display system is provided for displaying a 3D image. The 3D image includes at least a first image and a second image, with a parallax between the first image and the second image. The 3D display system includes a display device, and a liquid crystal lens array. Further, the display device is configured to display at least two combined images of the 3D image in a single display period, and each of the two combined images includes a part of the first image and a part of the second image. The liquid crystal lens array has a plurality of lens units configured to separate the part of the first image and the part of the second image in each of the two combined images into predetermined viewing directions, respectively, such that a complete first image and a complete second image are displayed without losing resolution.