Non-uniform sub-pupil reflectors and methods in optical waveguides for AR, HMD and HUD applications
Methods based on growth pattern models are utilized to determine patterns of reflective dots in optical combiners or other components for augmented reality (AR), head mounted displays (HMD) and/or head up display (HUD) applications. Optical combiners including the reflective dots arranged in the grown patterns are provided.
1. An optical combiner, comprising:
an optically transparent substrate; and
a patterned region included in said optically transparent substrate and disposed along a wave propagation axis of said optically transparent substrate;
wherein said patterned region is partially optically reflective and partially optically transparent;
wherein said patterned region comprises a plurality of optically transparent regions of said optically transparent substrate and a plurality of optically reflective sub-pupil dots, said plurality of optically reflective sub-pupil dots being inclined relative to said wave propagation axis;
wherein said patterned region is a growth pattern region; and
wherein said growth pattern region is determined according to a reaction diffusion model.
2. The optical combiner as claimed in claim 1 , wherein said optically transparent substrate comprises an optical waveguide substrate.
3. The optical combiner as claimed in claim 1 , wherein said optically transparent substrate comprises a near eye optical waveguide substrate.
4. The optical combiner of claim 1 , wherein the reaction diffusion model comprises a Turing Reaction Diffusion model.
5. An optical combiner, comprising
an optically transparent substrate; and
a patterned region included in the optically transparent substrate and disposed along a wave propagation axis of the optically transparent substrate;
wherein the patterned region comprises a plurality of optically transparent regions of the optically transparent substrate and a plurality of optically reflective sub-pupil dots, the plurality of optically reflective sub-pupil dots being inclined relative to the wave propagation axis; and
wherein the patterned region comprises a growth pattern region determined according to a pattern growth model that comprises a reaction diffusion model.
6. The optical combiner of claim 5 , wherein the pattern growth model comprises a Turing Reaction Diffusion model.
7. The optical combiner of claim 5 , wherein the pattern growth model comprises a randomly generated growth model.
8. The optical combiner of claim 5 , wherein the optically transparent substrate comprises an optical waveguide substrate.
9. The optical combiner of claim 5 , wherein the optically transparent substrate comprises a near eye optical waveguide substrate.
10. The optical combiner of claim 5 , wherein the patterned region is included in at least one common plane traversing the wave propagation axis.
11. An optical combiner, comprising
an optically transparent substrate; and
a patterned region included in the optically transparent substrate and disposed along a wave propagation axis of the optically transparent substrate;
wherein the patterned region comprises a plurality of optically transparent regions of the optically transparent substrate and a plurality of optically reflective dots; and
wherein the patterned region comprises a growth pattern region determined according to a pattern growth model that comprises a reaction diffusion model.
12. The optical combiner of claim 11 , wherein the plurality of optically reflective dots are inclined relative to the wave propagation axis.
13. The optical combiner of claim 11 , wherein the plurality of optically reflective dots comprises sub-pupil dots.
14. The optical combiner of claim 11 , wherein the pattern growth model comprises a Turing Reaction Diffusion model.
15. The optical combiner of claim 11 , wherein the pattern growth model comprises a randomly generated growth model.
16. The optical combiner of claim 11 , wherein the optically transparent substrate comprises an optical waveguide substrate.
17. The optical combiner of claim 11 , wherein the optically transparent substrate comprises a near eye optical waveguide substrate.
18. The optical combiner of claim 11 , wherein the patterned region is included in at least one common plane traversing the wave propagation axis.