Integrated driver circuits for active matrix liquid crystal displays

Reita, C.

doi:10.1016/0141-9382(93)90077-i

Cited by 7 publications

(3 citation statements)

References 34 publications

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“…This project explores an aquaponic system that merges aquaculture with hydroponics in a symbiotic relationship, thus optimizing water use. Mutualism symbiosis is implemented between hydroponics ponds [6][7][8][9][10][11][12] that allow clean water for fish habitats and fish tanks that provide nutrients that are distributed to hydroponics through fertigation [13,14]. The system must be a balanced environment, where water quality is paramount.…”

Section: Introductionmentioning

confidence: 99%

Smart Aquaponics: An Automated Water Quality Management System for Sustainable Urban Agriculture

Kok,

Kusuma,

Koh

et al. 2024

Electronics

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As the demand for high-quality food rises, especially amidst the COVID-19 pandemic and the continuous development of society meaning that people demand to eat well, ensuring food security has become increasingly urgent. Agricultural technology is evolving, with aquaponic systems emerging as a promising solution to urban food needs. However, these systems present challenges, such as maintaining optimal water quality and minimizing environmental control errors. In this study, we propose a comprehensive approach combining a literature review and controlled experiments. Through the literature review, the recent findings on water management and sustainability in food production were analyzed, providing crucial insights for enhancing aquaponic system performance. Building on this, a series of experiments were conducted to develop and test a water quality management system using PID control. The integration of PID control showed good performance and reduced errors in SIMULINK, and we applied three controls to manage the stability and responsiveness of the aquaponic system. The optimal values obtained from the controller of the vegetable tank system were 4,706,691,503 and −174.418; for the fish tank, they were 36,167, 0.00126, and −174.418; and for the heater system, they were 4.761, 0.0488, and −31.88. This solution is expected to be responsive and provide stable control over various variables.

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Section: Introductionmentioning

confidence: 99%

Smart Aquaponics: An Automated Water Quality Management System for Sustainable Urban Agriculture

Kok,

Kusuma,

Koh

et al. 2024

Electronics

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“…In advanced flat panel displays, the peripheral gate drivers are normally implemented in thin film transistor (TFT) technologies, and integrated onto the same substrate with the active pixel array. The so-called gate driver on array (GOA) technology eliminates connection of external gate driver chips and can thus help to make compact display panels of slim bezel, high yield and low system cost [1][2][3][4].…”

Section: Introductionmentioning

confidence: 99%

Amorphous IGZO Thin-Film Transistor Gate Driver in Array for Ultra-Narrow Border Displays

Zhou

Guo

Ouyang

et al. 2022

IEEE J. Electron Devices Soc.

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A gate driver in array (GIA) design based on the amorphous indium gallium zinc oxide (a-IGZO) thin-film transistor (TFT) is developed for narrow border displays. In the design, each TFT in the gate driver circuits is divided into a certain number of smaller size devices, which can be placed in different subpixels. Therefore, the pixel aperture ratio loss is minimized, and uniform placement of the gate driver circuits over the pixel array area is able to be achieved. The proposed step-like repeating block structure further reduces the occupied area of the signal interconnects. A 12.4-inch fringe field switching (FFS) liquid crystal display (LCD) panel of ultra-narrow border (0.5 mm) is demonstrated with reliable operation based on this GIA design, proving its potential for practical applications. Keywordsdisplay; narrow border; indium gallium zinc oxide; thin-film transistor; gate driver on array; gate driver in array

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“…T HIN-FILM TRANSISTORS (TFT's) find wide usage in active matrix liquid crystal displays (AMLCD's). Polycrystalline TFT's are promising for this application, as they may enable the integration of driver circuitry onto the glass substrate, reducing the overall manufacturing cost [1]. Silicongermanium Si Ge , hereafter referred to as SiGe) is a promising candidate for use as the TFT channel film, as it requires lower processing temperature than Si [2].…”

Section: Introductionmentioning

confidence: 99%

Optimization of silicon-germanium TFT's through the control of amorphous precursor characteristics

Subramanian

Saraswat

1998

IEEE Trans. Electron Devices

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Polycrystalline thin-film transistors (TFT's) are promising for use as high-performance pixel and integrated driver transistors for active matrix liquid crystal displays (AMLCD's). Silicon-germanium is a promising candidate for use as the channel material due to its low thermal budget requirements. The binary nature of the silicon-germanium system complicates the optimization of the channel deposition conditions. To date, little work has been done to perform this optimization, resulting in poor performance for SiGe TFT's. We report on optimization studies done on the low-pressure chemical vapor deposition of SiGe and its effect on TFT performance. We detail the results of a response surface characterization of SiGe deposition, and explain the obtained results in terms of atomistic models of deposition. Optimization strategies to enable the fabrication of high-performance SiGe TFT's are explained. Using these strategies, SiGe TFT's fabricated using solid phase crystallization and a 550 C process are demonstrated, with mobility greater than 40 cm 2 /V-s. Analysis is also performed on the effect of Ge-catalysis on the maximum optimization range. Results suggest that SiGe may offer enhanced optimization ranges over Si, as a result of this catalysis.

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Integrated driver circuits for active matrix liquid crystal displays

Cited by 7 publications

References 34 publications

Smart Aquaponics: An Automated Water Quality Management System for Sustainable Urban Agriculture

Smart Aquaponics: An Automated Water Quality Management System for Sustainable Urban Agriculture

Amorphous IGZO Thin-Film Transistor Gate Driver in Array for Ultra-Narrow Border Displays

Optimization of silicon-germanium TFT's through the control of amorphous precursor characteristics

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