Abstract
A thorough study on the gate driver integrated with hydrogenated amorphous-silicon
thin-film transistors (a-Si:H TFTs) for active-matrix flat-panel display (AM-FPD)
is carried out in this work. The single stage circuit of the a-Si:H gate driver
consists of input, pull-up, pull-down, and low-level holding units. The operation
principle of the driver is described in detail. The subtle static and dynamic
characteristics of the a-Si:H TFT based circuit are analyzed systematically
for the first time. The long term reliability issue is also addressed. Design
equations for determining the device sizes of the circuit are derived. The
TFT-LCD panels integrated with the designed gate driver are fabricated to
verify the design efficiency.
© 2012 IEEE
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