LTPS-TFT Pixel Circuit Compensating for TFT Threshold Voltage Shift and IR-Drop on the Power Line for AMOLED Displays

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="270865.fig.002a" src="https://static.hindawi.com/articles/amse/volume-2012/270865/figures/270865.fig.002a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>(1) Data input &amp; Compensation period </td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="270865.fig.002b" src="https://static.hindawi.com/articles/amse/volume-2012/270865/figures/270865.fig.002b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>(2) Emission period</td></tr></table></td></tr></table>

<table>Operation of the proposed pixel circuit in equivalent two stages: (1) data input and compensation period, (2) emission period.</table>

Advances in Materials Science and Engineering

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Figure 2

Figure 2: LTPS-TFT Pixel Circuit Compensating for TFT Threshold Voltage Shift and IR-Drop on the Power Line for AMOLED Displays 