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Organic Light-Emitting Diodes Driven by Organic Transistors |
| HU Yuan-Chuan;DONG Gui-Fang;WANG Li-Duo;LIANG Yan;QIU Yong |
| Key Lab of Organic Optoelectronics & Molecular Engineering (Ministry of Education), Tsinghua University, Beijing 100084
Department of Chemistry, Tsinghua University, Beijing 100084 |
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| Cite this article: |
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HU Yuan-Chuan, DONG Gui-Fang, WANG Li-Duo et al 2004 Chin. Phys. Lett. 21 723-725 |
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Abstract Organic thin-film field-effect transistors (OTFTs) with pentacene as the semiconductor have been fabricated for driving an organic light-emitting diode (OLED). The driving circuit includes two OTFTs and one storage capacitor. The field-effect mobility of the transistors in the driving circuit is more than 0.3 cm2/Vs, and the on/off ratio is larger than 104. The light-emission area of the OLED is 0.04 mm2 and the brightness is larger than 400 cd/m2 when the selected line voltage, data line voltage and drive voltage all are -40 V. The responding characteristics and holding characteristics are also researched when the selected line voltage and the date line voltage are changed.
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| Keywords:
73.61.Ph
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Published: 01 April 2004
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| PACS: |
73.61.Ph
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(Polymers; organic compounds)
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