.High performance blue organic light-emitting devices fabricated by using the doped Alq3 in NPB hole transmistion layers[J].Optoelectronics Letters,2007,3(5):353-355 High performance blue organic light-emitting devices fabricated by using the doped Alq3 in NPB hole transmistion layers WANG-Jing JIANG Wen-long LIU Chun-ling WANG-Jin LIU Shi-yong [1]Electronic Information and Engineering Department, Jilin Normal University, Siping 136000 [2]State Key Laboratory of Integrated Optoelectronics, Jilin University, Changchun 130023 Abstract:       We have designed a new structure blue emission device with doped Alq3 of 3% in hole transmission layers of NPB. The CIE coordination of the devices is (0.17,0.19). The maximum electroluminescence efficiency is 4.1 cd/A at 11V, the brightness is 118.8 cd/m2 at 7 V, and the maximum brightness is 10770 cd/m2 at 13 V. Supported by the National Natural Science Foundation of China (Grant No 60207003 and No.60376028), the Special Funds for Major State Basic Research Project of China under Grant No 2003BC314703. Hits: 3489 Download times: 198 View Full Text    Download reader