JP2008015401A5

JP2008015401A5 -

Info

Publication number: JP2008015401A5
Application number: JP2006188921A
Authority: JP
Filing date: 2006-07-10
Publication date: 2009-03-12

Claims

A plurality of scanning lines, a plurality of data lines, a plurality of pixel electrodes provided corresponding to intersections of the plurality of scanning lines and the plurality of data lines, and a common provided to face the pixel electrodes Selectable from a full-screen display mode with the entire screen as a display area and a partial display mode with a part of the full screen as a display area and the other area as a non-display area An electro-optical device,
A scanning line driving circuit for sequentially supplying a selection voltage for selecting the scanning lines to the plurality of scanning lines; and a data line driving circuit for supplying an image signal to the plurality of data lines when the scanning line is selected. ,
An equalizer circuit having a plurality of switch elements connecting the plurality of data lines and the common electrode;
The electro-optical device, wherein the equalizer circuit connects the data line and the common electrode when a scanning line in the non-display area is selected in the partial display mode.

The electro-optical device according to claim 1.
A control circuit that alternately supplies a first voltage and a second voltage having a higher potential than the first voltage to the common electrode;
The data line driving circuit includes:
After the first voltage is supplied to the common electrode, an image signal having a higher potential than the first voltage is supplied to the data line,
After the second voltage is supplied to the common electrode, an image signal having a lower potential than the second voltage is supplied to the data line,
In the partial display mode, the equalizer circuit is configured so that the voltage of the common electrode is changed from the first voltage to the second voltage or before the scanning line of the display region is selected from the plurality of scanning lines. An electro-optical device, wherein the data line and the common electrode are connected when changing from a second voltage to the first voltage.

The electro-optical device according to claim 2.
The equalizing circuit cuts the data line and the common electrode before the scanning line of the display area is selected from the plurality of scanning lines in the partial display mode. .

The electro-optical device according to claim 3.
The electro-optical device, wherein the data line driving circuit supplies the image signal to the data line after disconnecting the data line and the common electrode in the partial display mode.

The electro-optical device according to claim 2.
The equalizing circuit cuts the data line and the common electrode after a scanning line of the non-display area is selected from the plurality of scanning lines in the partial display mode. .

The electro-optical device according to claim 1,
The electro-optical device, wherein the non-display area displays either a white image or a black image.

The electro-optical device according to claim 1,
The electro-optical device, wherein the data line driving circuit and the equalizer circuit are provided along two opposite sides of the entire screen.

An electronic apparatus comprising the electro-optical device according to claim 1.

A plurality of scanning lines, a plurality of data lines, a plurality of pixel electrodes provided corresponding to intersections of the plurality of scanning lines and the plurality of data lines, and a common electrode provided to face the pixel electrodes. And an electro-optical device capable of selecting a full-screen display mode in which a full screen is a display area and a partial display mode in which a part of the full screen is a display area and another area is a non-display area Driving method,
In the partial display mode, when the scanning line in the non-display area is selected, the data line and the common electrode are connected to each other.