Patent ID: 7176864
Filing Date: 2007-02-13
Classification: G09G

Abstract:
1. A display memory for storing pixel data to be supplied to pixels of a display, comprising: at least one pair of bit lines; at least one column of memory cells each having a first storage node and a second storage node able to hold states of a complementary first level and second level; a first read circuit for reading the stored data of said first storage node output to one bit line of said pair of bit lines; a second read circuit for reading the stored data of said second storage node output to the other bit line of said pair of bit lines; a write circuit for outputting the data of said first level and second level to said first and second storage nodes of said memory cells to each the pair of bit lines and writing the data into said memory cells; a controlling means for controlling the operation of said display memory; a write port including at least one said write circuit; a first read port including at least one said first read circuit; and a second read port including at least one said second read circuit, wherein,