Patent ID: 8770788
Filing Date: 2014-07-08
Classification: G02B,G02F,G07F,H04M,H04N

Abstract:
1. A backlight unit comprising: a light source portion comprising a plurality of zonal light source regions; and an optical system adjacent to the light source portion, wherein each of the plurality of zonal light source regions comprises a plurality of light sources of a plurality of colors, wherein the plurality of light sources are arranged in matrix, wherein one of the plurality of zonal light source regions is configured to emit a first light in a period, and a region adjacent to the one of the plurality of zonal light source regions is configured to emit a second light in the period, wherein a color of the first light is different from a color of the second light, and wherein the optical system is configured to narrow a distribution of intensity of a light emitted from each of the plurality of zonal light source regions in a minor-axis direction in any one of the plurality of zonal light source regions.