Patent ID: 9113160
Filing Date: 2015-08-18
Classification: G02F,H04N

Abstract:
1. A 3-dimensional image display device comprising: a backlight unit; a barrier panel disposed above the backlight unit and comprising a plurality of unit barriers which selectively blocks light passing therethrough; a lenticular lens array disposed above the barrier panel and comprising a plurality of lenticular lenses, wherein each of the lenticular lenses has a principal point; a liquid crystal panel disposed above the lenticular lens array and configured to display an image, the barrier panel disposed between the backlight unit and the liquid crystal panel; an eye tracking sensor which detects a position of eyes of a viewer and a distance between the principal point of the lenticular lenses and the eyes of the viewer; and a controller which controls the backlight unit, the barrier panel and the liquid crystal panel based on an output of the eye tracking sensor, wherein the controller turns on and off the unit barriers such that light emitted from the backlight unit and passed through the barrier panel passes through the principal point of the lenticular lenses to apply a right-eye image to a right eye of the viewer and apply a left-eye image to a left eye of the viewer.