Display apparatus assembly

Patent metadata

Field	Value
Publication number	US-9488757-B2
Application number	US-201113196076-A
Country	US
Kind code	B2
Filing date	Aug 2, 2011
Priority date	Aug 9, 2010
Publication date	Nov 8, 2016
Grant date	Nov 8, 2016

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.

First claim

What is claimed is:

1. A display apparatus assembly comprising:
a display apparatus;
a controller; and
a speed measuring device that measures a speed of the display apparatus,
wherein,
the display apparatus includes an eye glasses-type frame that is mountable on a head of an observer and two image displaying devices mounted in the frame, the image displaying devices generating a virtual image for left and right eyes of the observer, respectively,
each of the image displaying devices includes (a) a virtual image forming device (b) an optical system that propagates light output from the corresponding virtual image forming device as parallel light, and (c) an optical device comprising an observer-transparent light guiding plate to which the parallel light output from the optical system is incident on a first surface of the light guiding plate and in which the light is guided so as to be output from the first surface of the light guiding plate to the respective eye of the observer while enabling the observer to view the real space image, the light guiding plate being in a line of vision of the respective eye, the observer being able to see a real space image through the light guide plate, the real space image being a real-world image or scene,
the virtual image and the real space image are able to be viewed simultaneously via the light guiding plates, and
the controller is configured to change a convergence angle of the virtual image displayed by the display apparatus by relatively moving an optical axis of each image forming device and an optical axis of the corresponding optical system in a horizontal direction based on the speed of the display apparatus as 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 corresponding image forming device and an optical axis of the corresponding optical system in the horizontal direction, and
the convergence angle is changed via 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 corresponding image forming device and the corresponding 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 of 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 of at least one of the image displaying devices includes a liquid prism, and
the convergence angle is changed by operating the liquid prism.

7. The display apparatus assembly according to claim 1 , wherein the speed measuring device comprises a global positioning system and a calculation device that determines the speed based on data supplied thereto by the global positioning system.

8. The display apparatus assembly according to claim 1 , wherein the speed measuring device comprises a speed/acceleration sensor and a calculation device that determines the-speed based on data supplied thereto by the speed/acceleration sensor.

9. The display apparatus assembly according to claim 1 , wherein the speed measuring device comprises a wheel rotation detecting device and a calculation device that determines the speed based on data supplied thereto by the wheel rotation number detecting device.

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

11. A display apparatus assembly comprising:
a display apparatus;
a controller; and
a speed measuring device that measures a speed of the display apparatus,
wherein,
the display apparatus includes an eye glasses-type frame that is mountable on a head of an observer and an image displaying device that is mounted in the eye glasses-type frame, the image displaying device generating a virtual image for an eye of the observer,
the image displaying device includes (a) a virtual image forming device (b) an optical system that propagates light output from the image forming device as parallel light, and (c) an optical device comprising an observer-transparent light guiding plate to which the parallel light output from the optical system is incident on a first surface of the light guiding plate and in which the light is guided so as to be output from the first surface of the light guiding plate to the eye of the observer while enabling the observer to view the real space image, the light guiding plate being in a line of vision of the eye, the observer being able to see a real space image through the light guide plate, the real space image being a real-world image or scene,
the virtual image and the real space image are able to be viewed simultaneously via the light guiding plate, and
the controller is configured to change a virtual-image distance of the virtual image displayed by the image displaying device by changing a focal distance of the optical system based on the speed of the display apparatus as measured by the speed measuring device.

12. The display apparatus assembly according to claim 11 , wherein:
the optical system of the image displaying device includes a liquid lens, and
the focal distance of the optical system is changed by operating the liquid lens.

13. A display apparatus assembly comprising:
a display apparatus;
a controller; and
a speed measuring device that measures a speed of the display apparatus,
wherein,
the display apparatus includes an eye glasses-type frame that is mountable on a head of an observer and an image displaying device that is mounted in the eye glasses-type frame, the image displaying device generating a virtual image for an eye of the observer,
the image displaying device includes (a) a virtual image forming device, (b) an optical system that propagates light output from the image forming device as parallel light, and (c) an optical device comprising an observer-transparent light guiding plate to which the parallel light output from the optical system is incident on a first surface of the light guiding plate and in which the light is guided so as to be output from the first surface of the light guiding plate to an eye of the observer while enabling the observer to view the real space image, the light guiding plate being in a line of vision of the eye, the observer being able to see a real space image through the light guide plate, the real space image being a real-world image or scene,
the virtual image and the real space image are able to be viewed simultaneously via the light guiding plate, and
the controller is configured to a luminance of the virtual image or a resolution of the virtual image based on the speed of the display apparatus as measured by the speed measuring device.

14. A display apparatus assembly comprising:
a display apparatus;
a controller; and
a acceleration measuring device that measures acceleration of the display apparatus duri

Assignees

• Mukawa Hiroshi
• Sony Corp

Inventors

• Mukawa Hiroshi

Classifications

• G02B27/0172 Primary

  characterised by optical features · CPC title

• G02B26/004

  based on a displacement or a deformation of a fluid · CPC title

• G02B2027/0163

  Electric or electronic control thereof · CPC title

• G02B2027/014

  comprising information/image processing systems · CPC title

• G02B27/0179

  Display position adjusting means not related to the information to be displayed · CPC title