DISPLAY APPARATUS ASSEMBLY

• US 20120032874A1
• Filed: 08/02/2011
• Published: 02/09/2012
• Est. Priority Date: 08/09/2010
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Mukawa, Hiroshi
• Granted Patent: US 9,488,757 B2
• Time in Patent Office: Days
• US Class Current: 345/8
• CPC Class Codes: G02B 2027/0125 Field-of-view increase by wavefront division
• CPC Class Codes: G02B 2027/0132 comprising binocular systems
• CPC Class Codes: G02B 2027/014 comprising information/image processing systems
• CPC Class Codes: G02B 2027/0163 Electric or electronic control thereof
• CPC Class Codes: G02B 2027/0178 Eyeglass type eyeglass details G02C
• CPC Class Codes: G02B 2027/0183 Adaptation to parameters characterising the motion of the vehicle
• CPC Class Codes: G02B 26/004 based on a displacement or a deformation of a fluid
• CPC Class Codes: G02B 27/0172 characterised by optical features
• CPC Class Codes: G02B 27/0176 characterised by mechanical features
• CPC Class Codes: G02B 27/0179 Display position adjusting means not related to the information to be displayed
• CPC Class Codes: G02B 3/12 Fluid-filled or evacuated lenses
• CPC Class Codes: G02B 3/14 of variable focal length
• CPC Class Codes: G02B 5/06 Fluid-filled or evacuated prisms
• CPC Class Codes: G06T 11/00 2D [Two Dimensional] image generation
• CPC Class Codes: G06T 19/006 Mixed reality object pose determination, tracking or camera calibration for mixed reality G06T7/00
• CPC Class Codes: G06T 2219/008 Cut plane or projection plane definition

Abstract

A display apparatus assembly includes: a display apparatus; and a speed measuring device that measures a movement speed of the display apparatus, wherein the display apparatus includes a glass-type frame that is mounted on a head of an observer and two image displaying devices for left and right eyes that are mounted in the frame, each of the image displaying devices includes an image forming device, an optical system that forms light output from the image forming device to be parallel light, and an optical device to which light output from the optical system is incident and in which the light is guided so as to be output, and a convergence angle is changed based on the movement speed of the display apparatus that is measured by the speed measuring device.

Claims

1. A display apparatus assembly comprising:

a display apparatus; and

a speed measuring device that measures a movement speed of the display apparatus,

wherein the display apparatus includes a glass-type frame that is mounted on a head of an observer and two image displaying devices for left and right eyes that are mounted in the frame,

each of the image displaying devices includes an image forming device, an optical system that forms light output from the image forming device to be parallel light, and an optical device to which light output from the optical system is incident and in which the light is guided so as to be output, and

a convergence angle is changed based on the movement speed of the display apparatus that is measured by the speed measuring device.

2. The display apparatus assembly according to claim 1, wherein the convergence angle is changed by controlling image signals input to the image forming devices that configure at least one of the image displaying devices.

3. The display apparatus assembly according to claim 1,

wherein at least one of the image displaying devices further includes a movement device that relatively moves an optical axis of the image forming device and an optical axis of the optical system in a horizontal direction, and

the convergence angle is changed by relatively moving the optical axis of the image forming device and the optical axis of the optical system in the horizontal direction by using the movement device.

4. The display apparatus assembly according to claim 1,

wherein at least one of the image displaying devices further includes a rotary movement device that rotates the image forming device and the optical system, and

the convergence angle is changed by rotating the image forming device and the optical system by using the rotary movement device so as to change an incidence angle of the parallel light that is output from the optical system and is incident to the optical device with respect to the optical device.

5. The display apparatus assembly according to claim 1,

wherein the optical system that configures at least one of the image displaying devices includes a liquid lens, and

the convergence angle is changed by operating the liquid lens.

6. The display apparatus assembly according to claim 1,

wherein the optical system that configures at least one of the image displaying devices includes a liquid prism, and

the convergence angle is changed by operating the liquid prism.

10. The display apparatus assembly according to claim 1, wherein the speed measuring device is formed by a global positioning system and a calculation device that acquires the movement speed based on data supplied from the global positioning system.

11. The display apparatus assembly according to claim 1, wherein the speed measuring device is formed by a speed/acceleration sensor and a calculation device that acquires the movement speed based on data supplied from the speed/acceleration sensor.

12. The display apparatus assembly according to claim 1, wherein the speed measuring device is formed by a wheel rotation number detecting device and a calculation device that acquires the movement speed based on data supplied from the wheel rotation number detecting device.

17. The display apparatus assembly according to claim 1, wherein the optical device is a semi-transmissive type.

7. A display apparatus assembly comprising:

a display apparatus; and

a speed measuring device that measures a movement speed of the display apparatus,

wherein the display apparatus includes a glass-type frame that is mounted on a head of an observer and an image displaying device that is mounted in the frame,

the image displaying device includes an image forming device, an optical system that forms light output from the image forming device to be parallel light, and an optical device to which light output from the optical system is incident and in which the light is guided so as to be output, and

a virtual-image distance of an image displayed by the image displaying device is changed by changing a focal distance of the optical system based on the movement speed of the display apparatus that is measured by the speed measuring device.

8. The display apparatus assembly according to claim 7

wherein the optical system that configures the image displaying device includes a liquid lens, and

the focal distance of the optical system is changed by operating the liquid lens.

9. A display apparatus assembly comprising:

a display apparatus; and

a speed measuring device that measures a movement speed of the display apparatus,

wherein the display apparatus includes a glass-type frame that is mounted on a head of an observer and an image displaying device that is mounted in the frame,

the image displaying device includes an image forming device, an optical system that forms light output from the image forming device to be parallel light, and an optical device to which light output from the optical system is incident and in which the light is guided so as to be output, and

at least one of the size of an image displayed in the optical device, the luminance of the image, the resolution of the image, and the content of the image is changed based on the movement speed of the display apparatus that is measured by the speed measuring device.

13. A display apparatus assembly comprising:

a display apparatus; and

an acceleration measuring device that measures acceleration during a movement of the display apparatus,

wherein the display apparatus includes a glass-type frame that is mounted on a head of an observer and an image displaying device that is mounted in the frame,

the image displaying device includes an image forming device, an optical system that forms light output from the image forming device to be parallel light, and an optical device to which light output from the optical system is incident and in which the light is guided so as to be output, and

an operation of the image displaying device is stopped when the absolute value of the acceleration during the movement of the display apparatus that is measured by the acceleration measuring device is equal to or greater than a predetermined value.

14. The display apparatus assembly according to claim 13, wherein the acceleration measuring device is formed by a global positioning system and a calculation device that acquires the acceleration based on data supplied from the global positioning system.

15. The display apparatus assembly according to claim 13, wherein the acceleration measuring device is formed by an acceleration sensor and a calculation device that acquires the acceleration based on data supplied from the acceleration sensor.

16. The display apparatus assembly according to claim 13, wherein the acceleration measuring device is formed by a wheel rotation number detecting device and a calculation device that acquires the acceleration based on data supplied from the wheel rotation number detecting device.

18. A head-mounted display comprising:

a display apparatus; and

a speed measuring device that measures a movement speed of the display apparatus,

wherein a convergence angle is changed based on the movement speed of the display apparatus that is measured by the speed measuring device.

19. A head-mounted display comprising:

a display apparatus; and

a speed measuring device that measures a movement speed of the display apparatus,

wherein a focal distance is changed based on the movement speed of the display apparatus that is measured by the speed measuring device.

20. A head-mounted display comprising:

a display apparatus; and

a speed measuring device that measures a movement speed of the display apparatus,

wherein at least one of the size of an image displayed in the optical device, the luminance of the image, the resolution of the image, and the content of the image is changed based on the movement speed of the display apparatus that is measured by the speed measuring device.