| CPC H04N 13/305 (2018.05) [H04N 13/32 (2018.05); H04N 13/351 (2018.05); H04N 13/398 (2018.05)] | 20 Claims |
|
1. A stereoscopic display apparatus comprising:
a display;
a display driver configured to display an elemental image of a stereoscopic image on the display;
a light source controller comprising:
a first lens array positioned on a rear surface of the display and including a plurality of first cylinder lenses arranged at a preset pitch,
a second lens array positioned on a rear surface of the first lens array and including a plurality of condensing lenses arranged at a pitch that is wider than the preset pitch of the plurality of first cylinder lenses,
a plurality of light sources positioned on shielding walls disposed on a rear surface of each condensing lens of the plurality of condensing lenses, each of the plurality of light sources of each condensing lens being positioned on a concentric circle spaced by a focal distance of a corresponding condensing lens, and
a diffusion sheet positioned between the display and the first lens array at a position including a focal point of each first cylinder lens of the plurality of first cylinder lenses; and
a light source driver configured to drive the plurality of light sources illuminating the elemental image.
|