Abstract
We demonstrate the level shifter integrated gate drive circuits using Low‐Temperature Poly‐Si (LTPO) TFT technology. Three level shifters are integrated with a 16‐stage 2‐clock CMOS shift register. A low 5 V start pulse is level up to a high 20 V for gate driving operation. The 4 μs pulse width ensures its speed compatibility to drive an Ultra‐High Definition (UHD) 4K displays (3840 X 2160 @ 60 Hz).
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