Lifetime Prediction for a Cell-on-Board (COB) Light Source Based on the Adaptive Neuro-Fuzzy Inference System (ANFIS)

Table 3

Summary report for the Nichia COB LED LM-80-08 with model number NVELJ048Z [32].

Data set	Case temperature	Ambient temperature	Drive current	Average current per die	Lumen maintenance at 10,000 hours	Chromaticity shift at 10,000 hours	TM-21 projection (10 K)
1	55°C	>50°C	3300 mA	1100 mA	95.0%	0.0022	>55,000 hours
2	85°C	>80°C	2350 mA	783 mA	94.7%	0.0022	>55,000 hours
3	85°C	>80°C	3300 mA	1100 mA	94.4%	0.0024	>55,000 hours
4	105°C	>100°C	2350 mA	783 mA	94.0%	0.0022	>55,000 hours