AMOLED pixel driver circuits based on poly-Si TFTs: A comparison

  • Authors:

  • Gaetano Palumbo;Melita Pennisi

  • Affiliations:

  • DIEES, University of Catania, Viale Andrea Doria 6, Catania, Italy;DIEES, University of Catania, Viale Andrea Doria 6, Catania, Italy

  • Venue:
  • Integration, the VLSI Journal
  • Year:
  • 2008

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Abstract

In this paper, four different driver circuits for an active matrix organic light-emitting diode (AMOLED) pixel based on thin film transistor (TFT) technology are analyzed and compared. In particular, the comparison analyzed accuracy, driving speed, power consumption and area occupied. Moreover, in order to allow array simulations, the RC equivalent models of the pixel were also derived. The results were achieved considering a QVGA display (320x240), a line frequency of 60Hz, and were verified by simulations with AIM-SPICE.