Patent ID: 8350800
Filing Date: 2013-01-08
Classification: G02B,G09G

Abstract:
1. A display device comprising: a backlight unit that is divided into a plurality of blocks and is driven with each of the divided blocks as a unit, and includes a plurality of optical assemblies; a display panel positioned over the backlight unit; a controller that outputs local dimming values corresponding to brightness of the blocks of the backlight unit, in accordance with an image displayed in the display panel; a BLU driver that controls the brightness of the blocks of the backlight unit using the local dimming values, wherein each of the optical assemblies includes: wherein the light guide plate includes: wherein the backlight unit includes a plurality of substrates which are separated to correspond to the plurality of optical assemblies, wherein the plurality of optical assemblies are respectively fixed to a bottom cover of a display module by using the side cover included in each of the optical assemblies, wherein the BLU driver receives the local dimming values and outputs a plurality of driving signals, and wherein the blocks of the backlight unit are divided into a plurality of scan groups and are driven with each of the divided scan groups as a unit.