Huijuan Tian, Tiantian Hao, Tao Guan, Yang Hu, Minpeng Cai, Hui Zhang. Discomfort Glare Caused by R/G/B/W Four-Color Light Emitting Diode Sources[J]. Laser & Optoelectronics Progress, 2019, 56(13): 132301
- Laser & Optoelectronics Progress
- Vol. 56, Issue 13, 132301 (2019)
Fig. 1. Parameters of unified glare rating RUGR
Fig. 2. Experimental platform. (a) Experimental photo; (b) diagram of experimental setup
Fig. 3. Relative spectral power distributions of R/G/B/W LED modules
Fig. 4. Principle of driving circuit for R/G/B/W LED source modules
Fig. 5. Four-color LED source modules. (a) W-LED; (b) R-LED; (c) G-LED; (d) B-LED
Fig. 6. Relationship between luminance and subjective evaluations of experimental results of four LED glare sources in three different background luminances. (a) W-LED; (b) R-LED; (c) G-LED; (d) B-LED
Fig. 7. Relationship between luminance and subjective evaluations of experimental results of four LED glare sources after linear interpolation in three different background luminances. (a) Lb=45.833 cd·m-2; (b) Lb=19.967 cd·m-2; (c) Lb=11.750 cd·m-2
Fig. 8. Relationship between RUGR value and subjective evaluations of experimental results for four LED glare sources. (a) W-LED; (b) R-LED; (c) G-LED; (d) B-LED
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Table 1. Discomfort glare evaluated using RUGR
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Table 2. Parameters of R/G/B/W LED modules in experiment
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Table 3. Experimental conditions
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Table 4. Luminances of four LED sources at different luminance levels
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Table 5. Glare rating scale
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