Patent ID: 7724265
Filing Date: 2010-05-25
Classification: G09G

Abstract:
1. A display driver for inputting a display data of a first format and outputting a voltage corresponding to the display data to a display element of a display panel, comprising: a data compression circuit for converting the display data of the first format to be inputted from the outside into a second format; a storage circuit for storing the display data of the second format; a data expansion circuit for conversing the display data of the second format into the first format; a voltage generating circuit for generating a plurality of voltages corresponding to a plurality of gradations showing the display data of the first format; and a voltage selecting circuit for selecting the voltage corresponding to the display data of the first format from the plurality of voltages; wherein, the second format converted by the data compression circuit has a plurality of types different in data amount, and further comprising: a circuit for selecting any one from the second formats of the plurality of types according to the information on a plurality of adjacent pixels in the display data of the first format, and storing the display data converted into the selected second format in the storage circuit.