Abstract
A blue, organic, light-emitting diode (OLED) has been made from a new blue emitting material. The structure of the blue device is indium tin oxide (ITO)/CuPc/NPB/JBEM:perylene/Alq/MgAg. Here copper phthalocyanine (CuPc) is used as a buffer layer, N, N′-bis-(1-naphthy1)- N, N′-diphenyl-1,1′-biphenyl-4,4′-diamine (NPB) as the hole transporting layer, 9,10-bis(3′5′-diaryl)phenyl anthracene (JBEM) as the blue emitting host, perylene as the blue dopant, Tris(8-guinolinolato) aluminium complex (Alq) as the electron transporting material, and MgAg alloy as the cathode. The blue device has a maximum luminance of 7526 cd/m 2, and the luminance at a current density of 20 mA/cm 2 is 408 cd/m 2. It has a maximum efficiency of 1.45 lm/W, Commission Internationale de l'Eclairage (CIE) co-ordinates x=0.14, y=0.21, and a half-life of 1035 h at initial luminance of 100 cd/m 2. It shows a better stability than the blue device from distyrylarylene derivatives as the blue emitting host, and also perylene as the dopant with the same structure.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
