IP Library Granted Patent US 11,668,869
Granted Patent B2
US 11,668,869 · App. 17/345,693 · Granted Jun 6, 2023

Holographic superimposition of real world plenoptic opacity modulation through transparent waveguide arrays for light field, virtual and augmented reality

Inventors: Jonathan Sean Karafin (San Jose, CA); Brendan Elwood Bevensee (San Jose, CA)
Assignee: Light Field Lab, Inc.
G02B6/0096G02B6/023G02B6/02042G02B6/04G02B6/08G02B6/29325G02B27/0172G02B27/0955G02B27/0994G02B27/1066G02B30/00G02B30/33H04N13/388G02B3/0056G02B3/08G02B5/32G02B6/0229G02B6/02295G02B25/00G02B25/002G02B27/0093G02B27/0103G02B27/1073G02B30/56G02B2027/0105G02B2027/0134G02B2027/0174G03H1/0005G03H1/0248G03H1/2202G03H1/2294G03H2001/0088G03H2223/19G06F3/01G06F3/013G10K11/26G21K1/00H04N5/89H04N13/344H04N23/957Y02E10/52
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Quick Facts
Patent No.
US 11,668,869
App. No.
17/345,693
Granted
Jun 6, 2023
Kind
B2
Abstract

Disclosed are transparent energy relay waveguide systems for the superimposition of holographic opacity modulation states for holographic, light field, virtual, augmented and mixed reality applications. The light field system may comprise one or more energy waveguide relay systems with one or more energy modulation elements, each energy modulation element configured to modulate energy passing therethrough, whereby the energy passing therethrough may be directed according to 4D plenoptic functions or inverses thereof.

Claims (35)

1. A system comprising:

a first energy waveguide system configured such that energy passing therethrough is directed according to a first 4D plenoptic function;

a second energy waveguide system following the first energy waveguide system, the second energy waveguide system configured such that energy passing therethrough is directed according to a second 4D plenoptic function, the second 4D plenoptic function inverse of the first 4D plenoptic function; and

a first energy modulation element disposed in a first location in the first energy waveguide system, in a second location in the second energy waveguide system or in a third location in between the first energy waveguide system and the second energy waveguide system, the first energy modulation element configured to modulate a first energy passing therethrough, wherein the first energy comprises energy entered through the first energy waveguide system from outside the first energy waveguide system and energy emitted withing the first energy waveguide system;

wherein the first energy modulation element is operable to selectively modulate external energy received by the system from a first external location on a first side of the system, and the first and second energy waveguide relay systems are operable to propagate, based on the first and second 4D plenoptic functions, respectively, the external energy from the first external location on the first side of the system to a second external location on a second side of the system; and

wherein the first energy modulation element is operable to generate energy to be perceived, by a viewer at the second external location on the second side of the system, as being superimposed with the external energy at the first external location on the first side of the system.

2. The system of claim 1 , wherein the first energy waveguide system includes a first array of energy waveguides configured to direct energy therethrough along a plurality of energy propagation paths, wherein the energy waveguides of the first array are located at different spatial coordinates, and each energy waveguide directs energy from the respective spatial coordinate to the plurality of energy propagation paths along different directions according to the first 4D plenoptic function.

3. The system of claim 1 , wherein the second energy waveguide system includes a second array of energy waveguides configured to direct energy therethrough along a plurality of energy propagation paths, wherein the energy waveguides of the second array are located at different spatial coordinates, and each energy waveguide directs energy from the respective spatial coordinate to the plurality of energy propagation paths along different directions according to the second 4D plenoptic function.

4. The system of claim 1 , further comprising a second energy modulation element located in one of the first, second, or third location, the second energy modulation element configured to modulate energy passing therethrough.

5. The system of claim 4 , wherein the first and second energy modulation elements are located at the same location.

6. The system of claim 4 , wherein the first and second energy modulation elements are located at different locations.

7. The system of claim 4 , further comprising a third energy modulation element located in one of the first, second, or third location, the third energy modulation element configured to modulate energy passing therethrough.

8. The system of claim 7 , wherein the third energy modulation elements and at least one of the first and second energy modulation elements are located at the same location.

9. The system of claim 7 , wherein the first, second, and third energy modulation elements are located at the same location.

10. The system of claim 7 , wherein the first, second, and third energy modulation elements are located at different locations.

11. The system of claim 7 , wherein each of the first, second and third energy modulation elements include LCD, LED, DLP, OLED, LCOS, and quantum dot.

12. The system of claim 1 , wherein at least one of the first energy waveguide system and the second energy waveguide system is curved.

13. The system of claim 1 , wherein both the first energy waveguide system and the second energy waveguide system are curved.

14. A system comprising:

a first energy waveguide system configured such that energy passing therethrough is directed according to a first 4D plenoptic function;

a second energy waveguide system following the first energy waveguide system, the second energy waveguide system configured such that energy passing therethrough is directed according to a second 4D plenoptic function, the second 4D plenoptic function inverse of the first 4D plenoptic function;

a first energy modulation element disposed in a first location in the first energy waveguide system, in a second location in the second energy waveguide system or in a third location in between the first energy waveguide system and the second energy waveguide system, the first energy modulation element configured to modulate energy passing therethrough; and

a second energy modulation element located in one of the first, second, or third location, the second energy modulation element configured to modulate energy passing therethrough;

wherein the first energy modulation element is operable to selectively modulate external energy received by the system from a first external location on a first side of the system, and the first and second energy waveguide relay systems are operable to propagate, based on the first and second 4D plenoptic functions, respectively, the external energy from the first external location on the first side of the system to a second external location on a second side of the system; and

wherein the first energy modulation element is operable to generate energy to be perceived, by a viewer at the second external location on the second side of the system, as being superimposed with the external energy at the first external location on the first side of the system.

15. The system of claim 14 , wherein the first energy waveguide system includes a first array of energy waveguides configured to direct energy therethrough along a plurality of energy propagation paths, wherein the energy waveguides of the first array are located at different spatial coordinates, and each energy waveguide directs energy from the respective spatial coordinate to the plurality of energy propagation paths along different directions according to the first 4D plenoptic function.

16. The system of claim 14 , wherein the second energy waveguide system includes a second array of energy waveguides configured to direct energy therethrough along a plurality of energy propagation paths, wherein the energy waveguides of the second array are located at different spatial coordinates, and each energy waveguide directs energy from the respective spatial coordinate to the plurality of energy propagation paths along different directions according to the second 4D plenoptic function.

17. The system of claim 14 , wherein the first and second energy modulation elements are located at the same location.

18. The system of claim 14 , wherein the first and second energy modulation elements are located at different locations.

19. The system of claim 14 , further comprising a third energy modulation element located in one of the first, second, or third location, the third energy modulation element configured to modulate energy passing therethrough.

20. The system of claim 19 , wherein the third energy modulation elements and at least one of the first and second energy modulation elements are located at the same location.

21. The system of claim 19 , wherein the first, second, and third energy modulation elements are located at the same location.

22. The system of claim 19 , wherein the first, second, and third energy modulation elements are located at different locations.

23. The system of claim 14 , wherein at least one of the first energy waveguide system and the second energy waveguide system is curved.

24. The system of claim 14 , wherein both the first energy waveguide system and the second energy waveguide system are curved.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 2, 2026
From: LIGHT FIELD LAB, INC.
To: CMBG FBC-LIGHT FIELD LAB, LLC
Reel/Frame 074987/0351 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 13, 2021
From: KARAFIN, JONATHAN SEAN; BEVENSEE, BRENDAN ELWOOD
To: LIGHT FIELD LAB, INC.
Reel/Frame 057170/0057 →
Priority Claims (2)
WO PCT/US2017/042275 · Jul 14, 2017 · international
WO PCT/US2017/042276 · Jul 14, 2017 · international
Continuity (5)
Continuation 16064375
Provisional Application 62507500 · May 17, 2017
Provisional Application 62366076 · Jul 24, 2016
Provisional Application 62362602 · Jul 15, 2016
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