【摘要】 设计了一种将薄膜 a- Si PIN光敏传感单元与 OL ED有机发光显示单元合二为一的新型图像传感显示器件 ;通过对每个单元的分别建模以及叠层器件的串联结构特点 ,对器件单元像素的电流电压特性进行了模拟 .结果表明 :器件驱动电压的降低主要通过增大 OL ED的幂指数因子实现 ;薄膜 a- Si PIN的灵敏度对器件灵敏度有决定性的影响 ;降低 a- Si PIN隙态密度能有效地展宽器件的线性响应区域 ;器件应用领域的不同 ,对 a- Si PIN的并联等效电阻的大小有不同的要求 .更多还原

【Abstract】 A novel optical image sensor/display device composed by integrating an a-Si PIN photodiode connected in series but in opposite polarity with an organic light-emitting diode (OLED) is designed and simulated.From the theoretical analysis,following conclusions are obtained:(1) Increasing the power index of OLED can lower the device’s drive voltage;(2) The sensitivity of device mainly depends on the a-Si PIN unit;(3) Decreasing the density of gap state in a-Si PIN can effectively broaden the linear response range of the device;(4) Furthermore,it is necessary to choose different shunt resistance of a-Si PIN for different purpose.更多还原