| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique capable of improving a response speed, while avoiding application of a direct current component to a liquid crystal. SOLUTION: The electro-optical device 1 comprises: a liquid crystal display panel 100 having a plurality of pixels; a processing circuit of an image data, which alternately transforms an image data Cd of designating a gradation value of the pixels into a data signal Vid of positive voltage or negative voltage, on the basis of prescribed potential every vertical scanning period; and a driving circuit 30 which supplies the data signal Vid to the pixels of the liquid crystal display panel 100. Here, the processing circuit of the image data comprises a gradation discriminating circuit 12, which discriminates whether the gradation value designated by the image data Cd falls into a predetermined range, the gradation value of the image data Cd which is discriminated to fall into the determined range is transformed into a first gradation value equal to the gradation value and a second gradation value different from the first gradation value; and a positive voltage based on the first gradation value; a negative voltage based on the first gradation value; a positive voltage based on the second gradation value and a negative voltage, based on the second gradation value are switched every vertical scanning period, in a prescribed order and are supplied as the data signal Vid. COPYRIGHT: (C)2008,JPO&INPIT
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