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Fabrication of an Integrated Pixel with an Organic Light-Emitting Diode Driven by Copper Phthalocyanine Organic Thin Film Transistors |
| YU Shun-Yang1,2;YI Ming-Dong1;MA Dong-Ge1 |
| 1State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 1300222Graduate School of the Chinese Academy of Sciences, Beijing 100049 |
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| Cite this article: |
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YU Shun-Yang, YI Ming-Dong, MA Dong-Ge 2008 Chin. Phys. Lett. 25 755-757 |
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Abstract An organic integrated pixel with organic light-emitting diodes (OLEDs) driven by organic thin film transistors (OTFTs) is fabricated by a greatly simplified processing. The OTFTs are based on copper phthalocyanine as the active medium and fabricated on indium--tin--oxide (ITO) glass with top-gate structure, thus an organic integrated pixel is easily made by integrating OLED
with OTFT. The OTFTs show field-effect mobility of 0.4cm2/Vs and on/off ratio of 103 order. The OLED is driven well and emits the brightness as large as 2100cd/m2 at a current density of 14.6μA/cm2 at -19.7V gate voltage. This simple device structure is promising in the future large-area flexible OLED
displays.
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| Keywords:
85.30.Tv
81.15.Ef
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Received: 14 June 2007
Published: 30 January 2008
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