A new pixel circuit compensating for brightness variation in large size and high resolution AMOLED displays

Hau Yan Lu; Ting Chang Chang; Ya-Hsiang Tai; Po-Tsun Liu; Sien Chi

doi:10.1109/JDT.2007.900921

A new pixel circuit compensating for brightness variation in large size and high resolution AMOLED displays

Hau Yan Lu^*, Ting Chang Chang, Ya-Hsiang Tai, Po-Tsun Liu, Sien Chi

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光電工程學系

研究成果: Article › 同行評審

50 引文斯高帕斯（Scopus）

摘要

A new pixel design and driving method for active-matrix organic light-emitting diode (AMOLED) display using low-temperature polycrystalline silicon thin-film transistor (LTPS-TFT) is proposed. The new circuit consists of five TFTs and one capacitor to eliminate the variation in the threshold voltage of the TFTs, and the drop in the supply voltage in a single frame operation. The proposed pixel circuit has been verified to realize uniform output current by the simulation work using HSPICE software. The simulated error rate of the output current is also discussed in this paper. The novel pixel design has great potential for use in large size and high resolution AMOLED displays.

原文	English
頁（從 - 到）	398-403
頁數	6
期刊	IEEE/OSA Journal of Display Technology
卷	3
發行號	4
DOIs	https://doi.org/10.1109/JDT.2007.900921
出版狀態	Published - 12月 2007

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10.1109/JDT.2007.900921

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abstract = "A new pixel design and driving method for active-matrix organic light-emitting diode (AMOLED) display using low-temperature polycrystalline silicon thin-film transistor (LTPS-TFT) is proposed. The new circuit consists of five TFTs and one capacitor to eliminate the variation in the threshold voltage of the TFTs, and the drop in the supply voltage in a single frame operation. The proposed pixel circuit has been verified to realize uniform output current by the simulation work using HSPICE software. The simulated error rate of the output current is also discussed in this paper. The novel pixel design has great potential for use in large size and high resolution AMOLED displays.",

keywords = "Active-matrix organic light-emitting diode (AMOLED), Currrent-resistance (I-R) drop, Pixel design, Poly-crystalline silicon thin-film transistors (poly-Si TFTs), Uniformity",

author = "Lu, {Hau Yan} and Chang, {Ting Chang} and Ya-Hsiang Tai and Po-Tsun Liu and Sien Chi",

year = "2007",

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AU - Lu, Hau Yan

AU - Chang, Ting Chang

AU - Tai, Ya-Hsiang

AU - Liu, Po-Tsun

AU - Chi, Sien

PY - 2007/12

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N2 - A new pixel design and driving method for active-matrix organic light-emitting diode (AMOLED) display using low-temperature polycrystalline silicon thin-film transistor (LTPS-TFT) is proposed. The new circuit consists of five TFTs and one capacitor to eliminate the variation in the threshold voltage of the TFTs, and the drop in the supply voltage in a single frame operation. The proposed pixel circuit has been verified to realize uniform output current by the simulation work using HSPICE software. The simulated error rate of the output current is also discussed in this paper. The novel pixel design has great potential for use in large size and high resolution AMOLED displays.

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KW - Active-matrix organic light-emitting diode (AMOLED)

KW - Currrent-resistance (I-R) drop

KW - Pixel design

KW - Poly-crystalline silicon thin-film transistors (poly-Si TFTs)

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A new pixel circuit compensating for brightness variation in large size and high resolution AMOLED displays

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