Abstract: A liquid crystal lens includes a plurality of first sub liquid crystal portions having refractive indexes varied based on voltages applied thereto, a plurality of second sub liquid crystal portions having refractive indexes varied based on voltages applied thereto, where the second sub liquid crystal portions are adjacent to the first sub liquid crystal portions, respectively and a controller which controls the voltages applied to the first sub liquid crystal portions and the voltage applied to the second sub liquid crystal portions to provide a lens part.

Abstract: A display apparatus includes a display panel including a three-dimensional (“3D”) pixel, including multiple subpixels corresponding to multiple viewpoints, a viewpoint detecting part configured to detect a target viewpoint, a display panel driver configured to generate grayscale data of the subpixels based on the detected target viewpoint, and a light converting element including a light converting axis sequentially corresponding to central regions of the subpixels including colors different from one another And configured to convert an image on the display panel into a 3D image.