VIDEO DISPLAY AND METHOD PROVIDING VISION CORRECTION FOR MULTIPLE VIEWERS

• US 20160103419A1
• Filed: 03/20/2015
• Published: 04/14/2016
• Est. Priority Date: 10/09/2014
• Status: Active Grant

• Current Assignee: Eaglemae Ventures, LLC
• Original Assignee: Applied Prescription Technologies LLC
• Inventors: Callagy, Robert A., Caprio, James J.
• Granted Patent: US 10,656,596 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G03H 1/0005 Adaptation of holography to specific applications holographic optical element G02B5/32; holographic scanner G02B26/106; recognition using holographic mask G06V10/88; holographic memories G11B7/0065, G11C13/042
• CPC Class Codes: G03H 1/0808 Methods of numerical synthesis, e.g. coherent ray tracing [CRT], diffraction specific
• CPC Class Codes: G03H 1/2294 Addressing the hologram to an active spatial light modulator
• CPC Class Codes: G03H 1/265 Angle multiplexing; Multichannel holograms G03H1/268 takes precedence
• CPC Class Codes: G03H 2001/2242 Multiple viewing windows
• CPC Class Codes: G03H 2001/2297 using frame sequential, e.g. for reducing speckle noise

Abstract

A video display system for providing vision correction for multiple users may include a display device having a holographic layer and a vision correction layer. The system may also include a processor coupled to the display device to receive a first prescription corresponding to a first user and a second prescription corresponding to a second user, and to modulate the display device so that the first user at a first angle and the second user at a second angle can view a non-distorted image from the display device.

Claims

1. A video display system for providing vision correction for multiple users comprising:

a display device having a holographic layer and a vision correction layer;

a processor coupled to the display device, the processor configured to

receive a first prescription corresponding to a first user and a second prescription corresponding to a second user,

modulate the display device so that the first user at a first angle and the second user at a second angle can view a non-distorted image from the display device.

2. The video display system of claim 1, further comprising a holographic module configured to modulate the holographic layer to at least partially block the non-distorted image to the second user while, at the same time, allow the first user to view the non-distorted image.

3. The video display system of claim 1, further comprising a holographic module configured to modulate the holographic layer to at least partially block the non-distorted image to the first user while, at the same time, allow the second user to view the non-distorted image.

4. The video display system of claim 1, wherein the first prescription and second prescription correspond to different eye deficiencies.

5. The video display system of claim 1, further comprising a camera coupled to the processor.

6. The video display system of claim 1, wherein the display device comprises a plurality of liquid crystal displays.

7. A method of displaying vision corrected video for multiple users comprising:

receiving, via a processor, a first prescription corresponding to a first user and a second prescription corresponding to a second user;

modulating a display device having a vision correction layer and a holographic layer, through use of the processor, so that the first user at a first angle and the second user at a second angle can view a non-distorted image from the display device.

8. The method of claim 7, further comprising at least partially blocking the non-distorted image to the first user, through use of the holographic layer, while at the same time allowing the second user to view the non-distorted image.

9. The method of claim 7, further comprising at least partially blocking the non-distorted image to the second user, through use of the holographic layer, while at the same time allowing the first to view the non-distorted image.

10. The method of claim 7, wherein the first prescription and second prescription correspond to different eye deficiencies.

11. The method of claim 7, further comprising determining an angle of view for the first and second users via a camera coupled to the processor.

12. The method of claim 11, further comprising providing the angle of view for the first and second users to a holographic module to modulate the holographic layer.

13. The method of claim 7, further comprising determining a distance of the first and second users via a camera coupled to the processor.

14. The method of claim 13, further comprising providing the distance of the first and second users to a vision correction module to module the vision correction layer.

15. The method of claim 7, further comprising detecting an identity of the first and second users via a camera coupled to the processor.

16. The method of claim 15, further comprising providing the identity of the first and second users to a vision correction module and a holographic module.

17. The method of claim 7, wherein the display device is a plurality of liquid crystal displays.