An AMOLED AC-Biased Pixel Design Compensating the Threshold Voltage and I-R Drop
We propose a novel pixel design and an AC bias driving method for active-matrix organic light-emitting diode (AM-OLED) displays using low-temperature polycrystalline silicon thin-film transistors (LTPS-TFTs). The proposed threshold voltage and I-R drop compensation circuit, which comprised three tra...
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| Format: | Article |
| Language: | English |
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Wiley
2011-01-01
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| Series: | International Journal of Photoenergy |
| Online Access: | http://dx.doi.org/10.1155/2011/543273 |
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| _version_ | 1832560245902147584 |
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| author | Ching-Lin Fan Hui-Lung Lai Yan-Wei Liu |
| author_facet | Ching-Lin Fan Hui-Lung Lai Yan-Wei Liu |
| author_sort | Ching-Lin Fan |
| collection | DOAJ |
| description | We propose a novel pixel design and an AC bias driving method for active-matrix organic light-emitting diode (AM-OLED) displays using low-temperature polycrystalline silicon thin-film transistors (LTPS-TFTs). The proposed threshold voltage and I-R drop compensation circuit, which comprised three transistors and one capacitor, have been verified to supply uniform output current by simulation work using the Automatic Integrated Circuit Modeling Simulation Program with Integrated Circuit Emphasis (AIM-SPICE) simulator. The simulated results demonstrate excellent properties such as low error rate of OLED anode voltage variation (<0.7%) and low voltage drop of VDD power line. The proposed pixel circuit effectively enables threshold-voltage-deviation correction of driving TFT and compensates for the voltage drop of VDD power line using AC bias on OLED cathode. |
| format | Article |
| id | doaj-art-589d32b724444aa1bcbe68a4e0ac8098 |
| institution | Kabale University |
| issn | 1110-662X 1687-529X |
| language | English |
| publishDate | 2011-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Photoenergy |
| spelling | doaj-art-589d32b724444aa1bcbe68a4e0ac80982025-02-03T01:28:05ZengWileyInternational Journal of Photoenergy1110-662X1687-529X2011-01-01201110.1155/2011/543273543273An AMOLED AC-Biased Pixel Design Compensating the Threshold Voltage and I-R DropChing-Lin Fan0Hui-Lung Lai1Yan-Wei Liu2Department of Electronic Engineering, National Taiwan University of Science and Technology, 43 Section 4, Keelung Road, Taipei 106, TaiwanDepartment of Electronic Engineering, National Taiwan University of Science and Technology, 43 Section 4, Keelung Road, Taipei 106, TaiwanDepartment of Electronic Engineering, National Taiwan University of Science and Technology, 43 Section 4, Keelung Road, Taipei 106, TaiwanWe propose a novel pixel design and an AC bias driving method for active-matrix organic light-emitting diode (AM-OLED) displays using low-temperature polycrystalline silicon thin-film transistors (LTPS-TFTs). The proposed threshold voltage and I-R drop compensation circuit, which comprised three transistors and one capacitor, have been verified to supply uniform output current by simulation work using the Automatic Integrated Circuit Modeling Simulation Program with Integrated Circuit Emphasis (AIM-SPICE) simulator. The simulated results demonstrate excellent properties such as low error rate of OLED anode voltage variation (<0.7%) and low voltage drop of VDD power line. The proposed pixel circuit effectively enables threshold-voltage-deviation correction of driving TFT and compensates for the voltage drop of VDD power line using AC bias on OLED cathode.http://dx.doi.org/10.1155/2011/543273 |
| spellingShingle | Ching-Lin Fan Hui-Lung Lai Yan-Wei Liu An AMOLED AC-Biased Pixel Design Compensating the Threshold Voltage and I-R Drop International Journal of Photoenergy |
| title | An AMOLED AC-Biased Pixel Design Compensating the Threshold Voltage and I-R Drop |
| title_full | An AMOLED AC-Biased Pixel Design Compensating the Threshold Voltage and I-R Drop |
| title_fullStr | An AMOLED AC-Biased Pixel Design Compensating the Threshold Voltage and I-R Drop |
| title_full_unstemmed | An AMOLED AC-Biased Pixel Design Compensating the Threshold Voltage and I-R Drop |
| title_short | An AMOLED AC-Biased Pixel Design Compensating the Threshold Voltage and I-R Drop |
| title_sort | amoled ac biased pixel design compensating the threshold voltage and i r drop |
| url | http://dx.doi.org/10.1155/2011/543273 |
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