System and method for displaying an object with depths
An object displaying system includes a right light signal generator, a left light signal generator, a right combiner, and a left combiner. The right light signal generator generates right light signals for an object. The right combiner receives and redirects the right light signals towards one retina of a viewer to display multiple right pixels of the object. The left light signal generator generates leftght signals for the object. The left combiner receives and redirects the left light signals towards the other retina of the viewer to display multiple left pixels of the object. A first redirected right light signal and a corresponding first redirected left light signal are perceived by the viewer to display a first virtual binocular pixel of the object with a first depth that is related to a first angle between the first redirected right light signal and the corresponding first redirected left light signal.
1. A system for displaying an object with depths comprising:
a right light signal generator generating multiple right light signals for an object, each right light signal being a collimated narrow light beam of a right pixel;
a right combiner receiving and redirecting the multiple right light signals towards one retina of a right eye of a viewer to display multiple right pixels of the object;
a left light signal generator generating multiple left light signals for the object, each left light signal being a collimated narrow light beam of a left pixel;
a left combiner receiving and redirecting the multiple left light signals towards another retina of a left eye of the viewer to display multiple left pixels of the object; and
wherein a first redirected right light signal and a corresponding first redirected left light signal are respectively collimated and enter the right eye and the left eye of the viewer as collimated narrow light beams and are perceived by the viewer to display a first virtual binocular pixel of the object with a first depth that is related to a first angle between the first redirected right light signal and the corresponding first redirected left light signal,
wherein a second redirected right light signal and a corresponding second redirected left light signal are respectively collimated and enter the right eye and the left eye of the viewer as collimated narrow light beams and are perceived by the viewer to display a second virtual binocular pixel of the object with a second depth that is related to a second angle between the second redirected right light signal and the corresponding second redirected left light signal, and
wherein the first angle and the second angle are not equal.
2. The system of claim 1 , wherein the first depth is determined by the first angle between light path extensions of the first redirected right light signal and the corresponding first redirected left light signal.
3. The system of claim 1 , wherein the first redirected right light signal and the corresponding first redirected left light signals are directed to approximately the same height of the retina of the viewer's both eyes.
4. The system of claim 1 , wherein the first redirected right light signal has approximately the same view angle as that of the corresponding first redirected left light signal.
5. The system of claim 1 , wherein the multiple right light signals generated from the right light signal generator are reflected only once before entering the retina of the viewer, and the multiple left light signals generated from the left light signal generator are reflected only once before entering the other retina of the viewer.
6. The system of claim 1 , wherein the right light signal generator is a right laser beam scanning projector (LBS projector) and the multiple right light signals generated from the right LBS projector are reflected only once by the right combiner before entering the retina of the viewer, and the left light signal generator is a left LBS projector and the multiple left light signals generated from the left LBS projector are reflected only once by a left combiner before entering the other retina of the viewer.
7. The system of claim 1 , wherein the right combiner and the left combiner are transparent for ambient lights.
8. The system of claim 1 , wherein the right combiner receiving and redirecting the multiple left light signals towards a right retina of the viewer to display multiple right pixels of the object and the left combiner receiving and redirecting the multiple right light signals towards a left retina of the viewer to display multiple left pixels of the object.
9. The system of claim 1 , wherein the right combiner and the left combiner are ellipsoid-shaped, and the right light signal generator is positioned on one focus of the right combiner and the left light signal generator is positioned on one focus of the left combiner.
10. The system of claim 1 , wherein a right projecting angle of the right light signal generator is adjustable to modify an incident angle of the multiple right light signals to the right combiner and a left projecting angle of the left light signal generator is adjustable to modify an incident angle of the multiple left light signals to the left combiner.
11. The system of claim 1 , further comprising:
a support structure wearable on a head of the viewer;
wherein the right light signal generator and the left light signal generator are carried by the support structure; and
wherein the right combiner and the left combiner are carried by the support structure and positioned within a field of view of the viewer.
12. The system of claim 11 , wherein the support structure is a pair of glasses.
13. The system of claim 12 , wherein the pair of glasses has a prescription lens which carries the right combiner or the left combiner.
14. The system of claim 12 , wherein the pair of glasses has a prescription lens integratedly made with the right combiner or the left combiner.
15. The system of claim 12 , wherein the prescription lens and either the right combiner or the left combiner are attached with each other but separable.
16. The system of claim 11 , wherein the right combiner and the left combiner are integrated into one united combiner.
17. The system of claim 1 , further comprising:
a control unit to provide electronic signals for the right light signal generator and the left light signal generator to respectively control a direction of the first right light signal and the first left light signal so that the viewer perceives the first virtual binocular pixel of the object at a predetermined 3D coordinate based on a look up table.
18. The system of claim 17 , wherein the look up table comprises a pair of a 2D right pixel coordinate and a corresponding 2D left pixel coordinate for the predetermined 3D coordinate of the first virtual binocular pixel.
19. The system of claim 18 , wherein the look up table further comprises a scale of size, a number of overlapping objects, and/or a depth in sequence for a virtual binocular pixel.
20. The system of claim 17 , wherein when an XYZ coordinate is used, a Z coordinate of the first virtual binocular pixel is determined by a horizontal distance between a right pixel X coordinate and a left pixel X coordinate.
21. The system of claim 17 , wherein the look up table is calibrated based on an interpupillary distance of the viewer.
22. The system of claim 1 , wherein the first depth is determined by the relative horizontal distance between the first redirected right light signal and the corresponding first redirected left light signal.
23. The system of claim 1 , wherein the viewer perceives the first virtual binocular pixel at a first predetermined 3D coordinate related to a first angle between the first redirected right light signal and the corresponding first redirected left light signal at a first time, and a second virtual binocular pixel at a second predetermined 3D coordinate related to a second angle between a second redirected right light signal and a corresponding second redirected left light signal at a second time.
24. The system of claim 23 , wherein the first virtual binocular pixel displays approximately the same part of the object as the second virtual binocular pixel and the first time and the second time are within the time period of persistence of vision so that the viewer perceives the object in moving.
25. The system of claim 23 , wherein the first virtual binocular pixel displays a different part of the object as the second virtual binocular pixel and the first time and the second time are within the time period of persistence of vision so that the viewer perceives different parts of the object concurrently.
26. The system of claim 23 , wherein when the second virtual binocular pixel is perceived to be closer to the viewer than the first virtual binocular pixel, the second angle is larger than the first angle, and a second relative horizontal distance between the second redirected right light signal and the corresponding second redirected left light signal is larger than a first relative horizontal distance between the first redirected right light signal and the corresponding first redirected left light signal.
27. The system of claim 1 , wherein the first right light signal is projected onto a predetermined location of one retina of the viewer and the corresponding left light signal is projected onto a predetermined location of the other retina of the viewer concurrently.
28. A method for displaying an object with depths comprising:
generating multiple right light signals for the object from a right light signal generator, each right light signal being a collimated narrow light beam of a right pixel;
redirecting the multiple right light signals to one retina of a right eye of a viewer;
generating multiple left light signals for the object from a left light signal generator, each left light signal being a collimated narrow light beam of a left pixel;
redirecting the multiple left light signals to another retina of a left eye of the viewer;
wherein a first redirected right light signal and a corresponding first redirected left light signal are respectively collimated and enter the right eye and the left eye of the viewer as collimated narrow light beams and are perceived by the viewer to display a first virtual binocular pixel of the object with a first depth that is related to a first angle between the first redirected right light signal and the corresponding first redirected left light signal,
wherein a second redirected right light signal and a corresponding second redirected left light signal are respectively collimated and enter the right eye and the left eye of the viewer as collimated narrow light beams and are perceived by the viewer to display a second virtual binocular pixel of the object with a second depth that is related to a second angle between the second redirected right light signal and the corresponding second redirected left light signal, and
wherein the first angle and the second angle are not equal.
29. The method of claim 28 , wherein the first depth is determined by the first angle between light path extensions of the first redirected right light signal and the corresponding first redirected left light signal.
30. The method of claim 28 , wherein the first redirected right light signal and the corresponding first redirected left light signals are directed to approximately the same height of the retina of the viewer's both eyes.
31. The method of claim 28 , wherein the first redirected right light signal has approximately the same view angle as that of the corresponding first redirected left light signal.
32. The method of claim 28 , wherein the multiple right light signals generated from the right light signal generator are reflected only once before entering the retina of the viewer, and the multiple left light signals generated from the left light signal generator are reflected only once before entering the other retina of the viewer.
33. The method of claim 28 , wherein the right light signal generator is a right laser beam scanning projector (LBS projector) and the multiple right light signals generated from the right LBS projector are reflected only once by the right combiner before entering the retina of the viewer, and the left light signal generator is a left LBS projector and the multiple left light signals generated from the left LBS projector are reflected only once by a left combiner before entering the other retina of the viewer.
34. The method of claim 28 , wherein the right combiner and the left combiner are transparent for ambient lights.
35. The method of claim 28 , wherein the right combiner receiving and redirecting the multiple left light signals towards a right retina of a viewer to display multiple right pixels of the object and the left combiner receiving and redirecting the multiple right light signals towards a left retina of the viewer to display multiple left pixels of the object.
36. The method of claim 28 , wherein the right combiner and the left combiner are ellipsoid-shaped, and the right light signal generator is positioned on one focus of the right combiner and the left light signal generator is positioned on one focus of the left combiner.
37. The method of claim 28 , wherein a right projecting angle of the right light signal generator is adjustable to modify an incident angle of the multiple right light signals to the right combiner and a left projecting angle of the left light signal generator is adjustable to modify an incident angle of the multiple left light signals to the left combiner.
38. The method of claim 28 :
wherein the right light signal generator and the left light signal generator are carried by a support structure wearable on a head of the viewer; and
wherein the right combiner and the left combiner are carried by the support structure and positioned within a field of view of the viewer.
39. The method of claim 38 , wherein the support structure is a pair of glasses having a prescription lens which carries the right combiner or the left combiner.
40. The method of claim 38 , wherein the right combiner and the left combiner are integrated into one united combiner.
41. A system for displaying an object with depths comprising:
a right light signal generator generating multiple right light signals for an object, each right light signal being a collimated narrow light beam of a right pixel;
a left light signal generator generating multiple left light signals for the object, each left light signal being a collimated narrow light beam of a left pixel; and
wherein a first right light signal and a corresponding first left light signal are respectively collimated and enter a right eye and a left eye of a viewer as collimated narrow light beams and are respectively projected onto a right retina and a left retina of the right eye and left eye of the viewer, and are perceived by the viewer to display a first virtual binocular pixel of the object with a first depth that is related to a first angle between the first right light signal before projecting onto the right retina and the corresponding first left light signal before projecting onto the left retina,
wherein a second right light signal and a corresponding second left light signal are respectively collimated and enter the right eye and the left eye of the viewer as collimated narrow light beams and are respectively projected onto the right retina and the left retina of the right eye and left eye of the viewer, and are perceived by the viewer to display a second virtual binocular pixel of the object with a second depth that is related to a second angle between the second right light signal before projecting onto the right retina and the corresponding second left light signal before projecting onto the left retina, and
wherein the first angle and the second angle are not equal.