Patent ID: 8810569
Filing Date: 2014-08-19
Classification: G02B,G09G,H04N

Abstract:
1. An image display device comprising: a display panel configured to selectively display a 2D image and a 3D image, the display panel including a plurality of subpixels; a patterned retarder configured to divide light from the display panel into first polarized light and second polarized light; and a control voltage generator configured to generate a first DC control voltage of an OFF-level and a second DC control voltage of a slight-on level, which is higher than the OFF-level and is lower than a full-on level, and selectively output the first DC control voltage and the second DC control voltage depending on a driving mode, wherein each of the plurality of subpixels includes: a main display unit including a first pixel electrode connected to a data line through a first switch and a first common electrode which is opposite to the first pixel electrode and is connected to a common line; and an auxiliary display unit including a second pixel electrode connected to the data line through a second switch, a second common electrode which is opposite to the second pixel electrode and is connected to the common line, and a discharge control switch which selectively connects the second pixel electrode to the common line depending on the driving mode, wherein the discharge control switch is turned off by the first DC control voltage in a 2D mode for implementing the 2D image and is slightly turned on by the second DC control voltage in a 3D mode for implementing the 3D image, and wherein the control voltage generator is configured to maintain the first DC control voltage in an entirety of the 2D mode and the second DC control voltage in an entirety of the 3D mode.