electro-luminescence devices 基本例句 电致发光器件 In this paper, the advantages, structures and luminescence mechanisms of the OLED were introduced, and several parameters to evaluate the OLED were presented.摘要介绍了有机电致发光器件的优点，器件的几种结构，有机电致发光的机理，以及评价有机电致发光器件的一些主要参数。