A New PWM Operational Scheme for MicroLED Displays Using Inverter and Dynamic SWEEP Signal Slope for Low Gray Level Expression

In this paper, we present a novel pulse width modulation (PWM) operational scheme for micro-light-emitting-diode ( \mu LED) displays using inverter and dynamic SWEEP signal slope. In the proposed PWM operational scheme, the slope of the SWEEP signal steepens as the gray level decreases. This adjusta...

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Veröffentlicht in:	IEEE access 2023, Vol.11, p.135915-135921
Hauptverfasser:	Kang, Kyeong-Soo, Park, Ji-Hwan, Park, Chanjin, Lee, Ji-Ho, Lee, Soo-Yeon
Format:	Artikel
Sprache:	eng
Schlagworte:	Circuits Displays falling time inverter Inverters Light emitting diodes low gray level Low temperature LTPO MicroLED pixel circuit Pixels Polysilicon Power demand Pulse duration modulation Pulse width modulation PWM Semiconductor devices Switches Switching circuits TFT Thin film transistors Threshold voltage
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