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制备了一种有机垂直光发射晶体管,兼具有机发光二极管的发光和晶体管的开关调节两个功能.其结构为一个有机发光单元垂直堆叠在一个电容单元上,两单元通过一个共有的源电极连在一起.当电容单元被充电时,积累在源电极的电荷能有效地调节源极与有机层之间的载流子注入势垒,从而达到控制源漏输出电流的大小,最终控制发光单元发光的强度.实验结果表明,器件可提供0.2mA的输出电流,其大小可驱动发光单元发光,工作电压(开启电压)为6V.这种垂直集成方案,实现了器件多功能化,为有机发光二极管有源矩阵驱动的实际应用提供了一种新的解决方法.
An organic light-emitting diode (OLED) transistor is fabricated, which combines the functions of light-emitting diode (OLED) and switching of the transistor. The structure is such that one organic light-emitting cell is vertically stacked on one capacitor cell and the two cells are connected through a common source electrode When the capacitor unit is charged, the charge accumulated in the source electrode can effectively adjust the carrier injection barrier between the source and the organic layer, so as to control the size of the source-drain output current and finally control the light-emitting unit to emit light The experimental results show that the device can provide 0.2mA output current, the size of the light-emitting unit can drive light, the operating voltage (turn-on voltage) is 6V. This vertical integration scheme to achieve the device multi-function, for the organic light-emitting diode The practical application of active matrix drive provides a new solution.