Fig. 1. LED array lighting schematic diagram

Fig. 2. Simulation schematic diagrams of light source arrays with different emission angles. (a) Large luminous angle; (b) small luminous angle

Fig. 3. Illuminance uniformity of light sources with different luminescence angles at different intervals

Fig. 4. Simulation diagram of single optical element collimation. (a) Reflective cup; (b) lens

Fig. 5. Optimization design results of the collimating optical system. (a) Schematic diagram of optical system simulation; (b) light source luminous intensity distribution diagram

Fig. 6. Simulation results of circular layout. (a) Schematic diagram of layout method; (b) target surface illumination distribution map

Fig. 7. Simulation results of square layout. (a) Schematic diagram of layout method; (b) target surface illumination distribution map

Fig. 8. Simulation results of staggered layout. (a) Schematic diagram of layout method; (b) target surface illumination distribution map

Fig. 9. Uniform array simulation results. (a) Schematic diagram of layout method; (b) target surface illumination distribution map

Fig. 10. Modular array simulation results. (a) Schematic diagram of layout method; (b) target surface illumination distribution map

Fig. 11. Schematic diagram of algorithm validation experiment

Fig. 12. Algorithm validation test results. (a) Algorithm validation test physical image; (b) comparison curve between simulation calculation and experimental testing

Fig. 13. Actual test images of different layout methods. (a) Circular layout method; (b) square layout method; (c) staggered arrangement