Patent ID: 9734793
Date: 2017-08-15
CPC Classifications: G09G

Claim:
1. A display apparatus for enabling perception of a three-dimensional (“3D”) image comprising: a display panel including a plurality of subpixels, among the subpixels, a first group of two subpixels displaying a right image for a right eye of a viewer and a second group of two subpixels adjacent to the first group in a first direction displaying a left image for a left eye of the viewer; a light controlling element transmitting an image on one subpixel to one viewpoint in the first direction and having four viewpoints; a position detecting part detecting a position of the viewer; and a display panel driver switching the right image and the left image according to the position of the viewer, wherein a proper distance from the light controlling element for the 3D image is defined as a distance at which a width of a viewpoint image concentrated at each viewpoint through the light controlling element is substantially equal to a half of a distance of the two eyes of the viewer, when a viewing distance of the viewer is greater than the proper distance, one of positions of the right eye and the left eye of the viewer is set as a base position, and a viewed image is divided into a plurality of viewpoint areas based on the base position, wherein a width of the viewpoint area k is  when the viewing distance of the viewer is greater than the proper distance, and h is the viewing distance of the viewer, d is the proper distance and E is the distance of the two eyes of the viewer.