Display device

Abstract

A display device capable of presenting a first image to a first user positioned in front of a display surface and a second image to a second user positioned lateral to the display surface, the second image being different from the first image, and the display device comprises a display panel having a first display pixel group for forming the first image on the display surface and a second display pixel group for forming the second image on the display surface; a backlight configured to emit illuminating light toward the first display pixel group and the second display pixel group; a barrier configured to prevent a portion of a first light and a portion of a second light from traveling toward the display surface, the first light being the illuminating light having a wavelength converted with the first display pixel group, and the second light being the illuminating light having a wavelength converted with the second display pixel group; and a control unit configured to control the display panel and the backlight, wherein the backlight is divided into a plurality of areas, the backlight has a light source for each of the plurality of areas, the light source is allowed to be independently controlled in each of the plurality of areas, a data set is prepared in advance to indicate a luminance corresponding to each of a plurality of test patterns in which a black display image is displayed as the first image and all the areas of the backlight are illuminated at maximum luminance, and the control unit converts a gray level of the second image in accordance with luminance distribution observed of the backlight and corresponding to the first image and with the data set.

Dependencies are inferred from the claim text.