Jin Sung Kang, Ju-An Yoon, Seung Il Yoo, Jin Wook Kim, Bo Mi Lee, Hyeong Hwa Yu, C.-B. Moon, Woo Young Kim. Highly efficient blue organic light-emitting diodes using various hole and electron confinement layers[J]. Chinese Optics Letters, 2015, 13(3): 032301
- Chinese Optics Letters
- Vol. 13, Issue 3, 032301 (2015)
Fig. 1. Energy band diagrams of blue PHOLED devices.
Fig. 2. Current density–voltage characteristics of blue PHOLEDs.
Fig. 3. (a) Luminance–current density characteristics of blue PHOLEDs; (b) EL spectra of blue PHOLEDs at a bias of 6 V.
Fig. 4. (a) Luminous efficiency–luminance characteristics and; (b) power efficiency–luminance characteristics of blue PHOLEDs.
Fig. 5. External quantum efficiency–luminance characteristics of blue PHOLEDs.
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