Patent ID: 8421709

Claim:
An image display device comprising: an image display panel that displays at least one of a 2D and 3D image; a driving circuit that applies at least one of a data voltage of a 2D data format for the 2D image and a data voltage of a 3D data format for the 3D image to the image display panel; a controller that controls the driving circuit according to at least one of a 2D mode for displaying the 2D image and a 3D mode for displaying the 3D image; and a patterned retarder disposed in front of the image display panel that divides light from the image display panel into light of first polarization and light of second polarization in the 3D mode, wherein R, G, and B subpixels of the image display panel each include first and second fine subpixels divided by one data line and two adjacent gate lines, and wherein in the 2D mode, the same data voltage of the 2D data format is applied to the first and second fine subpixels, and in the 3D mode, the data voltage of the 3D data format is applied to the first fine subpixel and a black gray voltage is applied to the second fine subpixel.