Electro-optical device, driving method for electro-optical device, and electronic apparatus

An electro-optical device comprising:

• a plurality of scan lines;
• a plurality of signal lines including k signal lines as a group, k being an integer equal to or greater than 3;
• a reference line to which a reference potential is applied;
• a pixel that is disposed corresponding to each of intersections between the plurality of scan lines and the plurality of signal lines and that includes a holding capacitor coupled to the reference line, the pixel holding, in the holding capacitor, a potential corresponding to an image signal;
• an image signal circuit configured to supply the image signal to one signal line of the k signal lines during each of k supply periods of each of a plurality of repeated horizontal scanning periods;
• a pre-charge circuit configured to supply a pre-charge signal to one signal line of the k signal lines during each of pre-charge periods corresponding to from a first to a (k−1)-th supply period of the k supply periods included in each horizontal scanning period;
• and
• a control circuit configured to control the k supply periods included in each horizontal scanning period such that one of the first supply period and the k-th supply period of the k supply periods is longer than a supply period excluding the first supply period and the last supply period of the k supply periods for all of the horizontal scan periods,
• wherein the k supply periods are all of a same length except for the at least one of the first supply period and the last supply period.

An electro-optical device comprising:

• a plurality of scan lines;
• a plurality of signal lines including k signal lines as a group, k being an integer equal to or greater than 3;
• a reference line to which a reference potential is applied;
• a pixel that is disposed corresponding to each of intersections between the plurality of scan lines and the plurality of signal lines and that includes a holding capacitor coupled to the reference line, the pixel holding, in the holding capacitor, a potential corresponding to an image signal;
• an image signal circuit configured to supply the image signal to one signal line of the k signal lines during each of k supply periods of each of a plurality of repeated horizontal scanning periods;
• a pre-charge circuit configured to supply a pre-charge signal to one signal line of the k signal lines during each of h pre-charge periods corresponding to from a first to a (k−1)-th supply period of the k supply periods included in each horizontal scanning period, h being an integer from 2 to k−1;
• and
• a control circuit configured to control the k supply periods included in each horizontal scanning period such that the supply period corresponding to a first pre-charge period of the k supply periods is longer than the supply period corresponding to a second pre-charge period of the k supply periods for all of the horizontal scan periods,
• wherein the k supply periods are all of a same length except for the at least one of the first supply period and the last supply period.

A driving method for an electro-optical device including a plurality of scan lines, k signal lines, k being an integer equal to or greater than 3, a reference line to which a reference potential is applied, a pixel that is disposed corresponding to each of intersections between the plurality of scan lines and the k signal lines and that includes a holding capacitor coupled to the reference line, the pixel holding, in the holding capacitor, a potential corresponding to an image signal, an image signal circuit configured to sequentially supply the image signal to each of the k signal lines during a plurality of repeated horizontal scanning periods, and a pre-charge circuit configured to supply, in each horizontal scanning period and in a prescribed order, a pre-charge signal during a pre-charge period to a signal line of the k signal lines to which the image signal circuit has not supplied the image signal yet, the driving method comprising:

• setting, in all of the horizontal scanning periods, one of a first supply period and a last supply period of the k supply periods, during which the image signal is sequentially supplied to each of the k signal lines, to be longer than one or more prescribed supply periods excluding the first supply period and the last supply period of the k supply periods,
• wherein the k supply periods are all of a same length except for the at least one of the first supply period and the last supply period.