Driving circuit for electro-optical device, method of driving electro-optical device, electro-optical device, and electronic apparatus
A driving circuit for an electro-optical device, that drives an electro-optical device having a plurality of data lines and a plurality of scanning lines extending so as to cross each other and a plurality of pixel units connected to the scanning lines and the data lines to form a display surface, includes a memory into/from which image signals are written/read, such that the plurality of pixel units perform grayscale display, a scanning line driving unit that selects the scanning lines and supplies scanning signals to the selected scanning lines, a data line driving unit that selects the data lines and supplies the image signals read out from the memory to the selected data lines, and a control unit that controls an operation of at least one of the scanning line driving unit and the data line driving unit, such that at least one of a selection sequence of the plurality of scanning lines and a selection sequence of the plurality of data lines is inverted at a predetermined inversion cycle, and that controls writing and reading of the image signals in the memory, such that the image signals written into the memory are read out in a state in which an arrangement sequence of the image signals is inverted at the inversion cycle.
1. A driving circuit for an electro-optical device which drives an electro-optical device having a plurality of data lines and a plurality of scanning lines extending so as to cross each other and a plurality of pixel units connected to the scanning lines and the data lines to form a display surface, the driving circuit for an electro-optical device comprising:
a memory into/from which image signals are written/read, the image signals being for performing gray scale display in the plurality of pixel units;
a scanning line driving unit that selects the scanning lines and supplies scanning signals to the selected scanning lines;
a data line driving unit that selects the data lines and supplies the image signals read out from the memory to the selected data lines;
a control unit that controls and operation of a least one of the scanning line driving unit and the data line driving unit, such that at least one of a selection sequence of the plurality of scanning lines and a selection sequence of the plurality of data lines is reversed at a predetermined cycle, and that controls writing and reading of the image signals in the memory, such that the image signals written into the memory are read out in a state in which an arrangement sequence of the image signals is reversed at the predetermined cycle,
wherein the scanning line driving unit and the data line driving unit supply the image signals corresponding to one screen to the respective pixel units in each unit period, which is obtained by dividing a one-screen display period, and drives the respective pixel units multiple times in the one-screen display period, and
wherein the memory has at least two frame memories,
the same image signals corresponding to one screen are written into the two frame memories, and
the two frame memories are controlled by the control unit, such that one of the frame memories functions as a forward memory from which the image signals are read out in a state in which the arrangement sequence of the image signals is in a forward direction, and the other frame memory functions as a backward memory from which the image signals are read in a state in which the arrangement sequence of the image signals is in a backward direction.
2. An electro-optical device comprising:
the driving circuit for an electro-optical device according to claim 1 ;
a plurality of data lines and a plurality of scanning lines; and
a plurality of pixel units.
3. An electronic apparatus comprising the electro-optical device according to claim 2 .
4. The driving circuit for an electro-optical device according to claim 1 .
wherein the predetermined cycle is expressed in one-screen display periods.
5. The driving circuit for an electro-optical device according to claim 1 ,
wherein, when a scanning signal supply direction is reversed, the predetermined cycle is expressed in horizontal scanning periods.