Patent ID: 8022892

Claim:
An apparatus for driving at least first and second display units, each including a plurality of data lines, a plurality of scan lines and a plurality of pixels each provided at one of said data lines and one of said scan lines, comprising: a data driver circuit including a plurality of first switch groups, each of the plurality of first switch groups including a first switch and a second switch; and a scan driver circuit driving said first and second display units, wherein: the first switch of the first plurality of switch groups is connected to the data lines of said first display unit for selecting the data lines of said first display unit according to a panel selection signal, the second switch of said first plurality of switch groups is connected to the data lines of said second display unit for selecting the data lines of said second display unit according to said panel selection signal, said first switch and second switch share a common input terminal, and said data driver circuit is a single driver circuit provided between said first and second display units and said data driver circuit includes a gradation voltage generator formed by a first voltage divider corresponding to said first display unit and a second voltage divider for corresponding to said second display unit.