Realizing white phosphorescent 100 lm/W OLED efficacy
- 28 August 2008
- proceedings article
- Published by SPIE-Intl Soc Optical Eng
- Vol. 7051, 70510Q
- https://doi.org/10.1117/12.793758
Abstract
OLED display manufacturers are interested in white organic light emitting devices (WOLEDTMs) because these devices, together with color filters, eliminate the need for high resolution shadow masks. Additionally, WOLEDs are well suited for general-purpose illumination, since their power efficacies are approaching fluorescent lamps. A new structure was developed that had the following characteristics that were measured using a spot meter: at 100 cd/m2 normal luminance, EQE = 20%, power efficacy is 34 lm/W, operating voltage = 3.6 V, CIE = (0.44, 0.44) and CRI = 75.Keywords
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