两种不同结构的蓝色有机发光二极管  

Two Types of Blue Organic Thin Film Light Emitting Diodes with Different Structure

作　　者：朱文清[1] 张步新[1] 郑新友[1] 蒋雪茵[1] 张志林[1] 许少鸿[1] 

机构地区：[1]上海大学嘉定校区材料系,上海201800

出　　处：《光学学报》2001年第7期882-885,共4页Acta Optica Sinica

基　　金：国家自然科学基金重大项目 (5 9790 0 5 0 );国家自然科学基金项目 (6 96 870 0 2 );上海市教委资助项目

摘　　要：制备了两种不同结构的蓝色发光器件。其中阻挡层结构的器件为 :ITO CuPc NPB TPBi Alq MgAg ;夹心型结构的器件为 :ITO CuPc NPB DPVBi:perylene Alq MgAg。两种器件的发射光谱分别为NPB和perylene的特征光谱 ,最高亮度和最大效率分别为 370 0cd cm2 、6 12 3cd cm2 和 0 781m W ,0 831m W。然而 ,两种器件稳定性差异较大。Two types of blue organic light emitting diodes with different structure have been fabricated. The maximum brightness and luminous efficiency for two devices are 3700 cd/m2, 6123 cd/m2 and 0.781 m/W, 0.83 m/W respectively. It is demonstrated that a blocking layer can effectively regulate the recombination area and obtain the desired light emission. However, the lifetime of the two devices are quite different. Luminance and durability characteristics of those devices are well explained and compared based on energy levels diagrams.

关 键 词：蓝色发光 阻挡层 稳定性 发光二极管 

分 类 号：TN312.8[电子电信—物理电子学]