Abstract
In this paper, the design of a low-voltage line
driver in a complementary organic technology on foil is presented.
The behavior and the variability of circuits are predicted by means
of transistor modeling and statistical characterization. The comparison
of measurements and simulations of simple digital blocks verifies
the effectiveness of the design approach. A transmission-gate based
32-stage line driver and a fully-static one are shown. It is also
shown that, based on the statistical organic thin-film transistor
(OTFT) characterization, the fully-static logic style is a more suitable
choice for implementing line drivers in this technology. The implemented
fully-static line driver, which is comprised of 1216 transistors,
has the highest transistor count reported for a complementary organic
circuit to date. It works at supply voltages from 10 V to as low as
3.3 V, reaching a 1 kHz clock frequency, and occupying an area of
25
$\times$
4.7 mm
$^{2}$
. The drivers are implemented in a technology compatible
with that of flat-panel display backplanes and are tested with a QQVGA
AMOLED display.
© 2015 IEEE
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