Patent ID: 7782278

Claim:
A pixel array comprising a plurality of pixel groups, wherein each pixel group comprises: a plurality of light emitting diodes; a plurality of driving units, each of which outputs driving currents for the light emitting diodes in a convolution sequence, wherein the convolution sequence comprises a 1 st driving unit of the driving units outputting the driving current for a 1 st light emitting diode of the light emitting diodes while a 2 nd driving unit of the driving units outputs the driving current for a 2 nd light emitting diode of the light emitting diodes in a first frame, and then the 1st driving unit outputting the driving current for the 2 nd light emitting diode while the 2 nd driving unit outputting the driving current for the 1 st light emitting diode in a second frame; and a plurality of switching units, each of which couples the output of one of the driving units to the light emitting diodes in the convolution sequence, wherein each of the switching units comprises a plurality of switches having first ends commonly connected to the output of one of the driving units and second ends respectively connected to the light emitting diodes.