Fig. 1. Holographic waveguide display system

Fig. 2. Spectral curve of OLED image source

Fig. 3. Simulation model of FOV of waveguide display of single-layer volume grating

Fig. 4. Structural diagram of double-layer volume grating

Fig. 5. Simulation model of FOV of waveguide display of double-layer volume grating

Fig. 6. Vector circle analysis diagram

Fig. 7. Schematic diagram of reproduction light path

Fig. 8. Diagram of exposure light path

Fig. 9. Preparation process of optical waveguide

Fig. 10. Schematic diagram of light crosstalk

Fig. 11. Optical waveguide structure of double-layer volume grating

Fig. 12. Actual picture of double-layer volume grating holographic waveguide and transparency display of waveguide. (a) Actual picture of double-layer volume grating holographic waveguide; (b) transparency display of waveguide

Fig. 13. Simulation and actual diffraction efficiency curves of double-layer volume grating

Fig. 14. Holographic waveguide display module and actual display effect. (a) Holographic waveguide display module; (b) actual display effect

Fig. 15. FOV test diagram of display module and display results. (a) FOV test diagram of display module; (b) test chart (grids); (c) horizontal range covered by display picture (camera focuses at infinity); (d) vertical range covered by display picture (camera focuses at infinity)