Abstract
Abstract— P‐type low‐temperature (450°C) polycrystalline‐silicon thin‐film‐transistor circuits for peripheral driver integration in active‐matrix displays are proposed and verified. A low‐voltage (5 V) driven poly‐Si scan driver is designed by employing a level shifter and shift register. A source driver for six‐bit digital interface is proposed, and the building blocks such as latch, DAC, and analog buffer are described. The latch samples and holds the digital bits (D and D') without an output voltage loss. A new source‐follower type analog buffer is developed and exhibits a small offset deviation regardless of the VTH variation of the buffer TFT. The simulation and measurement results ensure that the proposed circuits were successfully designed for p‐type panel integration.
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