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11 February 2010 On the lighting design aspect of OLED lighting
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Abstract
One of the most promising market segments to mainstream OLED lighting is the Commercial and Institutional Segment. It account for 40% of the entire lighting market. 75% of all the fluorescent luminaires are sold into this market segment. In order to meet the future lighting energy allowances, it is recommended that OLED efficacy be designed to around 70+ lumens/watt initially and gradually increases to 100 lumens per watt and perhaps ultimately to 140 lumens per watt. Luminous Exitance of an OLED can be designed to 6400 - 8000 lumens per square meter (approximately 2000 - 2500 candelas per square meter). This level of performance will enable OLED to participate in most of the lighting applications found in commercial and institutional market segment. As for lifetime of an OLED, an initial lifetime of around 20,000 hours at L70 is reasonable. The performance will move toward the target of around 50,000 hours of effective operating life at L85. Proper lighting design with daylight harvesting and other means can be very helpful in accomplishing this target.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Peter Y. Ngai "On the lighting design aspect of OLED lighting", Proc. SPIE 7617, Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XIV, 761714 (11 February 2010); https://doi.org/10.1117/12.847822
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