Granted Patent B2

US 12,228,766 · App. 18/212,446 · Granted Feb 18, 2025

Inventors: Jonathan Sean Karafin (San Jose, CA); Brendan Elwood Bevensee (San Jose, CA)

Assignee: Light Field Lab, Inc.

G02B6/0096G02B6/02042G02B6/023G02B6/04G02B6/08G02B6/29325G02B27/0172G02B27/0955G02B27/0994G02B27/1066G02B30/00G02B30/33H04N13/388G02B3/0056G02B3/08G02B5/32G02B6/0229G02B6/02295G02B25/00G02B25/002G02B27/0093G02B27/0103G02B2027/0105G02B2027/0134G02B2027/0174G02B27/1073G02B30/56G03H1/0005G03H2001/0088G03H1/0248G03H1/2202G03H1/2294G03H2223/19G06F3/01G06F3/013G10K11/26G21K1/00H04N5/89H04N13/344H04N23/957Y02E10/52

Abstract

Claims (33)

1. A device comprising:

a structure formed of at least first and second component engineered structures, the structure having a first surface and a second surface;

wherein the first surface has a surface area different than the second surface;

wherein energy waves propagating between the first surface and the second surface travel substantially parallel to a first direction due to a substantially higher transport efficiency in the first direction than in a second direction;

wherein the first surface having a first acceptance cone of a first angle and the second surface having a second acceptance cone of a second angle, the first and second angles being relative to the first direction and the first angle being different from the second angle;

wherein the energy waves propagate between the first surface and the second surface through both the first component engineered structure and the second component engineered structure; and

wherein the substantially higher transport efficiency in the first direction is provided, at least in part, by wave interference limiting the propagation of energy waves in the second direction.

2. The device of claim 1 , wherein the energy waves passing through the first surface has a first resolution, wherein the energy waves passing through the second surface has a second resolution, and wherein the second resolution is no less than about 50% of the first resolution.

3. The device of claim 1 , wherein the structure includes a plurality of elements in a stacked configuration in the first direction, wherein a first element of the plurality of elements includes the first surface and wherein a second element of the plurality of elements includes the second surface.

4. The device of claim 3 , wherein the first element causes either spatial magnification or spatial de-magnification of the energy waves, and the second element causes either spatial magnification or special de-magnification of the energy waves.

5. The device of claim 3 , wherein the plurality of elements in the stacked configuration includes a plurality of faceplates.

6. The device of claim 5 , wherein the plurality of faceplates are loose coherent optical relays.

7. The device of claim 1 , wherein the structure comprises more refractive index variability in the first direction such that the energy waves are spatially localized in the second direction.

8. The device of claim 1 , wherein the first surface is configured to receive the energy waves from an energy source unit, the energy source unit comprising a mechanical envelope having a width different than the width of at least one of the first surface and the second surface.

9. The device of claim 8 , wherein the mechanical envelope includes a projection system having a lens, and a plurality of energy source panels disposed adjacent to the lens, the plurality of energy source panels being planar, non-planar or combinations thereof.

10. The device of claim 9 , wherein the plurality of energy source panels are arranged in various configurations including at least one of tilted, aligned at an angle, staggered, on-axis, off-axis, rotated, parallel, perpendicular, or any combinations thereof.

11. The device of claim 9 , wherein the plurality of energy source panels are arranged in a radially-symmetrical configuration.

12. The device of claim 9 , wherein the projection system includes focused energy transmission through a waveguide, and further comprises a telecentric lens relay element at an off-aligned angle.

13. The device of claim 1 , wherein the first surface is either planar or non-planar, and the second surface is either planar or non-planar.

14. A method comprising:

providing a structure formed of at least a first component engineered structure and a second component engineered structure, the structure having a first surface and a second surface, wherein the first surface has a surface area different than the second surface;

propagating energy waves between the first surface and the second surface of the structure through both the first component engineered structure and the second component engineered structure, wherein the energy waves propagated therethrough travel substantially parallel to a first direction due to the structure having a substantially higher transport efficiency in the first direction than in a second direction;

wherein the first surface having a first acceptance cone of a first angle and the second surface having a second acceptance cone of a second angle, the first and second angles being relative to the first direction and the first angle being different from the second angle; and

wherein the substantially higher transport efficiency in the first direction is provided, at least in part, by wave interference limiting the propagation of energy waves in the second direction.

15. The method of claim 14 , wherein the energy waves passing through the first surface has a first resolution, wherein the energy waves passing through the second surface has a second resolution, and wherein the second resolution is no less than about 50% of the first resolution.

16. The method of claim 14 , wherein the structure comprises more refractive index variability in the second direction than in the first direction such that the energy waves are spatially localized in the second direction.

17. The method of claim 14 , further comprising:

stacking a plurality of elements of the structure in a stacked configuration in the first direction, wherein a first element of the plurality of elements includes the first surface and a second element of the plurality of elements includes the second surface.

18. The method of claim 17 , further comprising:

applying either spatial magnification or spatial de-magnification of the energy waves with the first element; and

applying either spatial magnification or spatial de-magnification of the energy waves with the second element.

19. The method of claim 18 , wherein the plurality of elements in the stacked configuration includes a plurality of faceplates.

20. The method of claim 19 , wherein the plurality of faceplates are loose coherent optical relays.

Assignments (2)

Continuity (6)

References Cited (301)