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We report successful fabrication of high-color-rendering pure-white phosphorescent organic light-emitting devices (OLEDs) by employing a true-blue iridium complex Ir(dfbppy)(fbppz) 2 and a wide-bandwidth yellow emitting osmium complex Os(bptz) 2 (dppee). The two-component phosphorescent white OLED exhibited a high color rendering index (CRI) of 81 and CIE x,y coordinates...
By using the unique properties of the efficient orange–red phosphorescent osmium complex in combination with an efficient blue phosphorescent Iridium complex, efficient white organic light-emitting devices with forward viewing efficiencies up to (17% photon/electron, 36cd/A, 28lm/W) and white organic light-emitting devices with color stability vs. brightness can be implemented. Results show that the...
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