Patent ID: 7843409
Filing Date: 2010-11-30
Classification: G02F,G09G

Abstract:
1. A dual panel apparatus comprising: a first panel having a plurality of first pixels formed in cross areas of first and second data lines and first scan lines; a second panel having a plurality of second pixels formed in cross areas of the first data lines and second scan lines; and a data driver configured to provide compensating precharge current to only the first data lines, wherein the data driver includes a controller configured to provide display data, a data driving circuit configured to provide data current to the first and second data lines, and a precharging circuit configured to provide precharge current corresponding to the provided display data to the first and second data lines and the compensating precharge current to only the first data lines, wherein the precharging circuit includes a current circuit configured to have a plurality of current sources, and a switching circuit configured to switch the connection of the current circuit and the data lines.