Patent ID: 6856308
Filing Date: 2005-02-15
Classification: G09G

Abstract:
1. An image display apparatus having a display unit comprised of a plurality of pixels and a control unit for controlling the display unit, further comprising: a DA converter to convert the digital display data into an analog image signal, wherein said DA converter is comprised of a first DA converter and a second DA converter, each of the first and second DA converters being connected to said display unit separately from one another so that said first DA converter and said second DA converter can respectively supply an output to the display unit independently of one another, power consumption when said first DA converter is operated being smaller than that when said second DA converter is operated, wherein said DA converter operates one of said first DA converter and said second DA converter according to the instruction from said control unit, and outputs the converted analog image signal from said one of said first and second DA converters to said display unit independently of the other of the first and the second DA converters, and wherein said display unit changes the number of the independent display pixels of said display unit according to the instruction from said control unit, and displays according to said analog image signal.