Abstract
A new pixel design and driving method for active-matrix organic light-emitting
diode (AMOLED) display using low-temperature polycrystalline silicon thin-film
transistor (LTPS-TFT) is proposed. The new circuit consists of five TFTs and
one capacitor to eliminate the variation in the threshold voltage of the TFTs,
and the drop in the supply voltage in a single frame operation. The proposed
pixel circuit has been verified to realize uniform output current by the simulation
work using HSPICE software. The simulated error rate of the output current
is also discussed in this paper. The novel pixel design has great potential
for use in large size and high resolution AMOLED displays.
© 2007 IEEE
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