Dan Huang, Qibin Feng, Tian Tang, Zi Wang, You Peng, Jiang Wu, Ke Wang, Guoqiang Lü. Design Method for Surface Energy Mapping Optimization Based on Extended Light Source[J]. Acta Optica Sinica, 2019, 39(12): 1222003
- Acta Optica Sinica
- Vol. 39, Issue 12, 1222003 (2019)
Fig. 1. Schematic of energy mapping of free-form surface sampling points
Fig. 2. Analysis of illumination curve on target surface
Fig. 3. Diagram of feedback optimization process
Fig. 4. Diagram of total reflection energy loss
Fig. 5. Diagram of various parameters of LED lighting system
Fig. 6. Diagram of lens structure. (a) Lens profile; (b) lens physical model
Fig. 7. LightTools illuminance simulation results
Fig. 8. LightTools illuminance curve comparison
Fig. 9. Illumination distribution diagrams. (a) Initial illumination; (b) illumination after once optimization; (c) illumination after two optimizations; (d) illumination after three optimizations
Fig. 10. Influences of DHR and number of iterations on non-uniformity
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Table 1. Comparison of simulation results of different design methods%
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Table 2. Simulation results of different algorithms for chips with different LED sizes%
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