18 September 2013 Far-field condition for OLED light sources
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Abstract
Organic light emitting diode (OLED) is a typical surface source with continuous luminous area. It is important to know its far-field condition since most of lighting designs are based on the far-field characteristics. In this paper, the relative far-field distances (RFFD) for OLEDs with round, rectangular, annular, hemispherical and semi-cylindrical shapes are calculated. The RFFDs for LED arrays with the same shapes are also given for comparison. Results show that the RFFDs for OLEDs are smaller than that of LED arrays with the same shapes and sizes for most situations.
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Wentao Cai, Wentao Cai, Xianming Liu, Xianming Liu, Peng Zhang, Peng Zhang, Weimin Chen, Weimin Chen, } "Far-field condition for OLED light sources", Proc. SPIE 8834, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration X, 88340Q (18 September 2013); doi: 10.1117/12.2022416; https://doi.org/10.1117/12.2022416
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