Patent ID: 7319453

Claim:
An image display apparatus, comprising: an image display portion including a plurality of image display elements arranged in rows and columns; a plurality of pixel control lines arranged corresponding to the rows of said plurality of image display elements; a vertical scanning circuit connected to said plurality of pixel control lines; and a control device generating a scanning start signal for designating start of vertical scanning and an enabling signal for designating activation of a pixel control line of activation target, and outputting each of the generated signals to said vertical scanning circuit, in a partial display mode partially displaying an image on said image display portion, or in a partial self-refresh operation dividing a self-refresh operation for saving and rewriting data in said plurality of image display elements into a plurality of blocks and performing the self-refresh operation for each block in said image display portion, said vertical scanning circuit simultaneously placing multiple pixel control lines corresponding in number to an activation period of said scanning start signal at an activation enable state, and simultaneously activating the multiple pixel control lines in said activation enable state in response to activation of said enabling signal, with a region corresponding to the multiple pixel control lines in said activation enable state as a non-display region or a refresh region.