有機EL素子端面からの光放射スペクトル

概要

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The emission spectra from the end of organic light-emitting devices (OLEDs) were investigated under various operating conditions. In the OLED with Coumarin6 as emissive material, the emission spectrum from the end was observed to be different from that to the normal direction near the wavelength at the spectral peak intensity. In the OLED with NileRed, this difference was not observed. The spectral shape of the emission from the end of the OLED with the emission area size of 3mm was similar to that of 9mm, but not to that of 6mm. The emission spectrum to 0° direction from the end had flattop shape, but that to 60° direction had the same distinct spectral peak as that to normal direction had. This might be due to the propagation characteristics of the emissive lights in the organic layer to the end of the OLED.
近畿大学の論文
2005-12-20