Titlebook: Solid State Lighting Reliability Part 2; Components to System Willem Dirk van Driel,Xuejun Fan,Guo Qi Zhang Book 2018 Springer Internationa

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Assessing the Reliability of Electrical Drivers Used in LED-Based Lighting Devices,LED drivers requires a knowledge of the intended use of the device including environmental (e.g., temperature, humidity), electrical (i.e., voltage quality and transients), and mechanical (i.e., vibration) stresses that the products would experience. In addition, knowledge of the susceptibility of k

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Reliability Prediction of Integrated LED Lamps with Electrolytic Capacitor-Less LED Drivers,tion between the degradations of the LED light source and the driver on the lumen depreciation is studied. The electronic-thermal simulation was carried out to obtain the history of temperatures of LED and driver, the driver’s output current, and the luminous flux considering the variations of tempe

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Statistical Analysis of Lumen Depreciation for LED Packages,s that there may be a risk in doing this as TM-21 only relies on the behavior of the average LED degradation, instead of taking into account the degradation of all individual LEDs. Therefore, we propose a more profound statistical approach in order to make the appropriate step from TM-21 extrapolati

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