Fig. 1. Micro-prism reflective film with different shapes and its CCR

Fig. 2. Structural changes of curved corner cube prism

Fig. 3. The value of the dihedral angle of the reflecting surface at different points

Fig. 4. Trace of light passing through CCR

Fig. 5. Division of reflective surface area of CCR

Fig. 6. Relationship between dihedral angle error δ and divergence angle ϕ

Fig. 7. Ray trace of curved reflecting surface

Fig. 8. Incident angles of CCR at different positions on curved reflective film

Fig. 9. Diffraction pattern of single CCR at different bending angles

Fig. 10. Light simulation model of curved reflective film

Fig. 11. Illumination analysis of reflected light from the reflective film with different bending angles

Fig. 12. Reflectance of the reflective film with different bending angles

Fig. 13. Relationship between reflectivity and beam incident angle at different bending angles

Fig. 14. The reflectivity changes of different curved reflective films under different light sources

Fig. 15. Reflective film unit structure CCR

Fig. 16. Measuring system

Fig. 17. Retroreflectivity of reflective film at different angles of incidence at different bending angles