Pixel Circuit Designs for Active Matrix Displays

Pixel Circuit Designs for Active Matrix Displays

Pixel circuits are key components of flat panel displays, including liquid crystal displays (LCDs), organic light-emitting diode displays (OLEDs), and micro light-emitting diode displays (micro-LEDs). Depending on the active layer material of the thin film transistor (TFT), pixel circuits are catego...

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Bibliographic Details
Main Authors: Dan-Mei Wei, Hua Zheng, Chun-Hua Tan, Shenghao Zhang, Hua-Dan Li, Lv Zhou, Yuanrui Chen, Chenchen Wei, Miao Xu, Lei Wang, Wei-Jing Wu, Honglong Ning, Baohua Jia
Format: Article
Language:English
Published: MDPI AG 2025-03-01
Series:Applied System Innovation
Subjects:
active matrix display
thin film transistor
pixel circuit
Online Access:https://www.mdpi.com/2571-5577/8/2/46
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Summary:Pixel circuits are key components of flat panel displays, including liquid crystal displays (LCDs), organic light-emitting diode displays (OLEDs), and micro light-emitting diode displays (micro-LEDs). Depending on the active layer material of the thin film transistor (TFT), pixel circuits are categorised into amorphous silicon (a-Si) technology, low-temperature polycrystalline silicon (LTPS) technology, metal oxide (MO) technology, and low-temperature polycrystalline silicon and oxide (LTPO) technology. In this review, we outline the fundamental display principles and four major TFT technologies, covering conventional single-gated TFTs to novel two-gated TFTs. We focus on novel pixel circuits for three glass-based display technologies with additional mention of pixel circuits for silicon-based OLED and silicon-based micro-LED.
ISSN:2571-5577

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