CPC G09G 3/006 (2013.01) [G09G 3/3291 (2013.01); G09G 2320/045 (2013.01); G09G 2330/12 (2013.01)] | 20 Claims |
1. A sensing circuit connected to a plurality of pixels in a display panel through a plurality of sensing channels, the sensing circuit comprising:
a plurality of initialization switches configured to apply an initialization voltage to the plurality of sensing channels based on an initialization control signal;
a plurality of shield switches configured to apply a fixed-value shield voltage different from the initialization voltage to the plurality of sensing channels based on a plurality of shield control signals;
a plurality of signal selection switches configured to sequentially output a plurality of sensing currents received from the plurality of sensing channels based on a plurality of sensing control signals; and
a signal current integrator configured to sequentially convert the plurality of sensing currents into a plurality of sensing voltages, wherein
concurrent with the signal current integrator converting a target sensing current, among the plurality of sensing currents, received from a target sensing channel, among the plurality of sensing channels, into a target sensing voltage among the plurality of sensing voltages, the fixed-value shield voltage is applied to at least one adjacent shield sensing channel that is adjacent to the target sensing channel.
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