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Review

Pixel Circuit Designs for Active Matrix Displays

by
Dan-Mei Wei
1,2,
Hua Zheng
1,*,
Chun-Hua Tan
2,*,
Shenghao Zhang
1,
Hua-Dan Li
1,2,
Lv Zhou
1,
Yuanrui Chen
1,2,
Chenchen Wei
1,
Miao Xu
3,
Lei Wang
3,
Wei-Jing Wu
3,
Honglong Ning
3 and
Baohua Jia
4
1
School of Electrical Engineering & Intelligentization, Dongguan University of Technology, Dongguan 523808, China
2
School of Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou 510631, China
3
State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China
4
Centre for Atomaterials and Nanomanufacturing, School of Science, RMIT University, Melbourne, VIC 3000, Australia
*
Authors to whom correspondence should be addressed.
Appl. Syst. Innov. 2025, 8(2), 46; https://doi.org/10.3390/asi8020046
Submission received: 3 February 2025 / Revised: 21 March 2025 / Accepted: 28 March 2025 / Published: 31 March 2025
(This article belongs to the Section Control and Systems Engineering)
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Abstract

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.
Keywords: active matrix display; thin film transistor; pixel circuit active matrix display; thin film transistor; pixel circuit

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MDPI and ACS Style

Wei, D.-M.; Zheng, H.; Tan, C.-H.; Zhang, S.; Li, H.-D.; Zhou, L.; Chen, Y.; Wei, C.; Xu, M.; Wang, L.; et al. Pixel Circuit Designs for Active Matrix Displays. Appl. Syst. Innov. 2025, 8, 46. https://doi.org/10.3390/asi8020046

AMA Style

Wei D-M, Zheng H, Tan C-H, Zhang S, Li H-D, Zhou L, Chen Y, Wei C, Xu M, Wang L, et al. Pixel Circuit Designs for Active Matrix Displays. Applied System Innovation. 2025; 8(2):46. https://doi.org/10.3390/asi8020046

Chicago/Turabian Style

Wei, Dan-Mei, Hua Zheng, Chun-Hua Tan, Shenghao Zhang, Hua-Dan Li, Lv Zhou, Yuanrui Chen, Chenchen Wei, Miao Xu, Lei Wang, and et al. 2025. "Pixel Circuit Designs for Active Matrix Displays" Applied System Innovation 8, no. 2: 46. https://doi.org/10.3390/asi8020046

APA Style

Wei, D.-M., Zheng, H., Tan, C.-H., Zhang, S., Li, H.-D., Zhou, L., Chen, Y., Wei, C., Xu, M., Wang, L., Wu, W.-J., Ning, H., & Jia, B. (2025). Pixel Circuit Designs for Active Matrix Displays. Applied System Innovation, 8(2), 46. https://doi.org/10.3390/asi8020046

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