Patent ID: 8576484

Claim:
A display apparatus comprising: a display unit in which sub-pixels are periodically arranged at a first sub-pixel pitch in a first direction of a screen, each pixel is formed by a plurality of sub-pixels, the pixels are periodically arranged at a first pixel pitch in the first direction, and a plurality of viewpoint images is displayed on a display surface; and a barrier unit in which transmissive sections having a first width in the first direction are periodically arranged, wherein P S1 is the first sub-pixel pitch, P P1 is the first pixel pitch, d PB is a distance between the display surface of the display unit and the barrier section, and α and m are constants having values greater than 0, wherein m is an integer between 1 and N−1, inclusive, wherein N is a number of the plurality of viewpoint images, and the first width w B1 is expressed by a following expression: w B ⁢ ⁢ 1 = ( α p P ⁢ ⁢ 1 2 · d PB ⁢ + m ) · p S ⁢ ⁢ 1 .