Patent ID: 7088330
Filing Date: 2006-08-08
Classification: G09G,H01L

Abstract:
1. A display device comprising: an active matrix substrate; a counter electrode; display medium layer interposed between the active matrix substrate and the counter electrode; and a plurality of pixels, wherein the active matrix substrate includes; a base plate; a plurality of pixel electrodes formed on the base plate, each said pixel electrode being associated with one of the plurality of pixels; a plurality of pixel switching elements, each said pixel switching element being connected to associated one of the pixel electrodes; a plurality of gate lines for controlling operations of the pixel switching elements; a plurality of data lines, each said data line being connected to associated ones of the pixel electrodes by way of associated ones of the pixel switching elements so as to supply a data signal therethrough; a plurality of data line switching elements, each said data line switching element having terminals, one of said terminals being connected to associated one of the data lines; a plurality of signal input terminals, each said signal input terminal being connected to another terminal of associated one of the data line switching elements and another terminal of another associated one of the data line switching elements; a data line branching section, which is provided between the signal input terminals and the data line switching elements; and a control line, which is connected to the data line switching elements to selectively turn ON or OFF the data line switching elements, wherein a signal to turn ON the data line switching elements and a signal to turn ON the pixel switching elements have mutually different polarities, and wherein each said pixel switching element and each said data line switching element are thin-film transistors that have substantially the same channel length, and wherein a ratio of a channel width of each said pixel switching element to an electrostatic capacitance of associated one of the pixels is substantially equal to a ratio of a channel width of each said data line switching element to an electrostatic capacitance of associated one of the data lines.