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- W2023271359 abstract "We have developed highly efficient blue and white organic electroluminescent devices based on a blue fluorescent styrylamine dopant EBDP. The blue and white organic light emitting diodes (OLEDs) with the structures: Indium–tin oxide (ITO)/copper phthalocyanine(CuPc)/N,N′-bis-(1-naphenyl)-N,N′-biphenyl-1,1′-bipheny1-4-4′-diamine (NPB)/2-t-butyl-9,10-di-(2-naphthyl)anthracene (TBADN):EBDP/tris(8-hydroxyquinoline)aluminum(Alq3)/LiF/Al and ITO/CuPc/NPB/TBADN:EBDP: 4-(dicyanomethylene)-2-t-butyl-6-(1,1,7,7-tetramethyljulolidyl-9-enyl)-4H-pyran (DCJTB)/Alq3/LiF/Al were studied by using EBDP as blue dopant. For the blue device, the maximum luminance and maximum efficiency were 26961 cd/m2 and 8.29 cd/A, respectively, the luminance at a current density 20 mA/cm2 was 1597 cd/m2. For the white device, the maximum luminance of 32,291 cd/m2, maximum efficiency 8.31 cd/A and the luminance of 1413 cd/m2 at a current density 20 mA/cm2 were obtained. The slow decrease of efficiency with the increase of current density indicates weak exciton–exciton annihilation, which is resulted from the large steric hindrance due to the non-planar structure of the fluorescence dye EBDP." @default.
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- W2023271359 date "2007-12-01" @default.
- W2023271359 modified "2023-09-24" @default.
- W2023271359 title "Highly efficient styrylamine-doped blue and white organic electroluminescent devices" @default.
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- W2023271359 doi "https://doi.org/10.1016/j.displa.2007.07.006" @default.
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