Liquid crystal device, driving method thereof, and electronic apparatus capable of improving display quality by suppressing occurrence of display defect

摘要

In a liquid crystal device according to the embodiment of the invention, a high potential and a low potential relative to the counter electrode potential are alternately applied to the pixel electrode through the switching element. Here, the counter electrode potential is set to be lower than a reference potential, when the reference potential is an electric potential which is obtained by shifting an average electric potential between the high potential and the low potential by an average value between an amount of change in an electric potential of the pixel electrode, caused by a parasitic capacitance of the switching element when the high potential is being applied to the pixel electrode, and an amount of change in the electric potential of the pixel electrode caused by the parasitic capacitance when the low potential is being applied to the pixel electrode.

主权项

1. A liquid crystal device, comprising:
an element substrate which has a plurality of scan lines and a plurality of data lines, and has a pixel electrode and a switching element provided to correspond to an intersection point between the scan line and the data line; a counter substrate which is disposed to be opposed to the element substrate and has a counter electrode; a liquid crystal layer which is sandwiched between the element substrate and the counter substrate; a first alignment film which is provided on a side of the element substrate close to the liquid crystal layer; a second alignment film which is provided on a side of the counter substrate close to the liquid crystal layer; a first dielectric film which is provided between the pixel electrode and the first alignment film, has a film thickness less than that of the liquid crystal layer, has a specific resistance higher than that of the liquid crystal layer, and is made of silicon oxide; and a second dielectric film which is provided between the counter electrode and the second alignment film, has a film thickness less than that of the first dielectric film, has a specific resistance higher than that of the liquid crystal layer, and is made of silicon oxide, wherein a counter electrode potential, which is set to reduce flicker caused by a parasitic capacitance of the switching element, is applied to the counter electrode, wherein a positive voltage and a negative voltage are alternately applied to the pixel electrode wherein the positive voltage is a high-potential voltage and the negative voltage is a low-potential voltage relative to the counter electrode potential as a reference, and wherein in predetermined durations including a first duration during which the positive voltage is applied and a second duration during which the negative voltage is applied, the length of the first duration is set to be longer than the length of the second duration.