Novel Digital Driving Method Using Dual Scan for Active Matrix Organic Light-Emitting Diode Displays
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概要
- 論文の詳細を見る
A new digital driving method has been developed for low-temperature polycrystalline silicon, transistor-driven, active-matrix organic light-emitting diode (AM-OLED) displays by time-ratio gray-scale expression. This driving method effectively increases the emission ratio and the number of subfields by inserting another subfield set into nondisplay periods in the conventional digital driving method. By employing the proposed modified gravity center coding, this method can be used to effectively compensate for dynamic false contour noise. The operation and performance were verified by current measurement and image simulation. The simulation results using eight test images show that the proposed approach improves the average peak signal-to-noise ratio by 2.61 dB, and the emission ratio by 20.5%, compared with the conventional digital driving method.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2008-11-25
著者
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Choi Inho
Department Of Life Science College Of Liberal Arts And Science Yonsei University
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Kim Ohyun
Department Of Electrical And Electronic Engineering
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Jung Myoung
Department of Electronic and Electrical Engineering, Pohang University of Science and Technology, Pohang, Gyeongbuk 790-784, Republic of Korea
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Chung Hoo-Ju
School of Electronic Engineering, Kumoh National Institute of Technology, Gumi, Gyeongbuk 730-701, Republic of Korea
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Choi Inho
Department of Electronic and Electrical Engineering, Pohang University of Science and Technology, Pohang, Gyeongbuk 790-784, Republic of Korea
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