Patent ID: 9213456
Filing Date: 2015-12-15
Classification: G06F,G09G

Abstract:
1. A display device comprising: a liquid crystal panel configured to display an image based on image data supplied from outside, the liquid crystal panel having a plurality of source lines, along each of which pixels are aligned to display an identical one of a plurality of different primary colors; a touch panel configured to detect a change in electrostatic capacitance, the touch panel being provided so as to be attached to the liquid crystal panel; and a source signal outputting device configured to output source signals, which correspond to the image data, to all the plurality of source lines during one (1) horizontal scanning period, the plurality of source lines are respectively connected to switches which are controlled by switch selection lines connected to the switches such that the plurality of source lines will be driven sequentially through operation of the switches by ensuring that one of the switches is in an ON state while others of the switches are in an OFF state, wherein the source signal outputting device substantially evenly divides one (1) horizontal scanning period into sub-periods, the number of which is equal to or larger than a multiple of the number of the plurality of different primary colors, in each of sub-periods (i) which are among all the sub-periods and (ii) the number of which is identical with the multiple, the source signal outputting device supplying a source signal to source lines (i) which are connected with pixels which display a certain one of the plurality of different primary colors and (ii) the number of which is obtained by dividing a total number of the plurality of source lines by the multiple, the plurality of different primary colors are red (R), green (G), and blue (B), and the source signal outputting device supplies the source signal to source lines connected with pixels configured to display blue (B) at an end of one (1) horizontal scanning period; and wherein the touch panel detects the change in electrostatic capacitance at a timing which is different from the timing at which the source signal is supplied to any of the plurality of source lines.