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对性能稳定的彩色薄膜有机EL器件进行了研究。其中绿色有机器件的半亮度寿命为14000小时(初始亮度100cd/m2) ,已达到实用化的要求。红色、蓝色和白色器件的半亮度寿命(初始亮度100cd/m2)分别达到了3750、1016和2850小时。在得到稳定的绿色有机薄膜电致发光器件基础上 ,对矩阵显示屏及动态显示技术进行了研究。得到了面积为48mm×30mm、分辨率为2线/mm的96×60象素矩阵显示器 ,其中单位象素的有效发光面积为0.4mm×0.4mm ,单元间隙为0.1mm。并设计了有效的驱动和控制电路 ,实现了无“交叉效应”的、高清晰度的动态图形显示。显示器在1/64的驱动占空比下的显示亮度大于100cd/m2,屏的功耗为0.6W。
The research of the stable color organic EL device is carried out. Among them, the half-brightness lifetime of the green organic device is 14000 hours (the initial brightness of 100cd / m2), has reached the practical requirements. The half-brightness lifetime of the red, blue and white devices (initial brightness 100 cd / m2) reached 3750, 1016 and 2850 hours, respectively. On the basis of obtaining a stable green organic thin-film electroluminescent device, the matrix display and the dynamic display technology are studied. A 96 × 60 pixel matrix display having an area of 48 mm × 30 mm and a resolution of 2 lines / mm was obtained, in which the effective light emission area per unit pixel was 0.4 mm × 0.4 mm and the cell gap was 0.1 mm. And design an effective drive and control circuit to achieve a “cross-effect”, high-definition dynamic graphics display. Display in 1/64 of the drive duty cycle display brightness greater than 100cd / m2, screen power consumption of 0.6W.