Patent ID: 8130178
Filing Date: 2012-03-06
Classification: G09G,H01L

Abstract:
1. A display apparatus comprising: a pixel array; and a driving unit adapted to drive the pixel array, the pixel array including scanning lines disposed in the form of rows, signal lines disposed in the form of columns, and pixels disposed, in the form of an array, at respective intersections of the scanning lines and the signal lines, each pixel including at least a sampling transistor, a driving transistor, a light emitting element, and a storage capacitor, the driving unit being configured to output a control signal over a selected scanning line to turn on the sampling transistor connected to the selected scanning line, and output an image signal over a selected signal line to write the image signal in the storage capacitor via the turned-on sampling transistor, the driving transistor being configured to supply a driving current, depending on a signal voltage of the written image signal, to the light emitting element during a predetermined light emission period, and further configured to supply no driving current during a non-light emission period, each pixel including a switching transistor, the switching transistor being disposed between a current terminal of the driving transistor and the light emitting element, the switching transistor being adapted to turn off during the non-light emission period to prevent a current from the driving transistor to the light emitting element during an adjustment of the signal voltage.