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White PIN OLEDs

EuroPhotonics
Oct 2011
Novaled AGRequest Info
 
Novaled AG has developed power-efficient white organic LEDs (OLEDs) that achieve 60 lm/W at a brightness of 1000 cd/m2. They offer a lifetime of 100,000 h and use commercially available fluorescent blue-emitting material. Power efficiency with such materials is usually less than with phosphorescent emitters, but because of proprietary PIN OLED technology and materials, the OLEDs are highly power efficient. The devices demonstrate a color rendering index of 87 and deliver a broad light emission spectrum and good CIE color coordinates (0.470/0.429), close to illuminant A and inside the US Department of Energy’s quadrangles for meeting its Energy Star color specifications. The use of the fluorescent blue emitter material yields high stability and enables broad coverage of the complete visible color range.


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