Patent ID: 9104055
Filing Date: 2015-08-11
Classification: G02F,G06F,G09G

Abstract:
1. A liquid crystal display device including a liquid crystal display panel having liquid crystal sandwiched between a first substrate and a second substrate having detection electrodes of a touch panel, and having a plurality of pixels arranged in a matrix, wherein the liquid crystal display panel includes: pixel electrodes which are arranged in the plurality of pixels respectively; a counter electrode which is divided into counter electrodes of a plurality of blocks; and a counter electrode selector circuit that selects one block of the counter electrodes of the plurality of blocks respectively, and wherein the counter electrodes of the plurality of blocks are electrically commonly provided for the plurality of pixels of a plurality of display lines in series, wherein the one block of the counter electrodes of the plurality of blocks which is selected by the counter electrode selector circuit is applied a touch panel scanning voltage, while one or more blocks of the counter electrodes of the plurality of blocks which are not selected by the counter electrode selector circuit are applied a counter voltage.