JPH11341399A - Spectacle type image display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform image-pickup for which a focus distance is automatically adjusted without separately preparing a camera device by providing the camera device provided with an automatic focus adjustment function. SOLUTION: At the upper part of a backlight 2 of this spectacle type image display device 1, an AF (automatic focus adjustment function) camera 6 is arranged. The AF camera 6 is provided, for example, with an image-pickup device for picking up the image of an object by a CCD solid-state image-pickup element. An image viewed by a user P is picked up by the AF camera 6, and a picked-up video image is enlarged and displayed on the screen of the spectacle type image display device 1 by a processing circuit and viewed as a large-sized video image. Furthermore, preferably the AF camera 6 is provided with a hand shake correction function and a zooming function. Then, when the video image picked up by the AF camera 6 is displayed on an LCD 3, the spectacle type image display device 1 is used as a normal pair of spectacles.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spectacle-type image display device provided with a camera device, and more particularly to a spectacle-type image display device which can be worn on a user's eyeball and allows a large-screen image to be experienced. It is something.

[0002]

2. Description of the Related Art In recent years, a video image input from a computer or a video device is observed by a spectacle type image display device, and a user can experience a 50-inch large powerful screen as if 2 meters away (for example, a so-called spectacle type image display device). Glastron (a registered trademark of Sony Corporation) has been released and is well received.

A color liquid crystal display panel is mainly used in such an eyeglass type image display device. An aspheric lens is arranged on the front of the color liquid crystal panel, and a backlight is arranged on the back of the color liquid crystal display panel.

When using the spectacle-type image display device, the user wears the spectacle-type image display device on his / her head, and enlarges and projects the image projected on the color liquid crystal display panel forward by the aspherical lens. This allows the user to experience a large-screen virtual image.

[0005] Such a spectacle-type image display device basically includes a ring portion and a display portion.
A pad is provided on the ring portion, and the pad is pressed against the forehead of the user, and the ring portion is hung on the head of the user, so that the eyeglass-type image display device can be worn as if wearing glasses. It has become.

[0006] On the other hand, using a camera device or a camera-integrated video device (video camera), opportunities to take pictures outdoors or outdoors, such as athletic meet, are increasing. Since the eyeglass-type image display device is lightweight, excellent in portability, and can be easily taken out or outdoors, it is conceivable to use the eyeglass-type image display device and the camera device in combination.

[0007]

However, when the camera device and the spectacle-type image display device are carried out outdoors or outdoors, it is not preferable to carry both devices because it is cumbersome and burdensome.

In order to solve the above-mentioned problems, the present invention provides a glasses-type image display device which eliminates the troublesomeness of carrying a camera device when taking an image outdoors or outdoors. It is.

[0009]

SUMMARY OF THE INVENTION An eyeglass-type image display device according to the present invention comprises a camera device having an automatic focal length adjusting function.

According to the configuration of the present invention described above, by providing a camera device having an automatic focal length adjusting function,
The imaging with the automatic focal length adjustment can be performed by the glasses-type image display device without separately preparing a camera device.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention is an eyeglass-type image display device provided with a camera device having an automatic focal length adjusting function.

Further, according to the present invention, in the above-mentioned spectacle type image display device, the camera device is provided with a camera shake correction function and a zoom function.

Further, according to the present invention, in the above-mentioned spectacle type image display device, the camera device is an infrared camera.

According to the present invention, in the above-mentioned spectacles type image display device, the camera device comprises two camera devices, and a stereoscopic image is displayed on a display unit from an image picked up by each of the two camera devices. I do.

Further, according to the present invention, in the above-mentioned spectacle type image display device, the camera device is detachable from the spectacle type image display device.

FIG. 1A is a schematic configuration diagram (perspective view) of a spectacle-type image display device 1 as one embodiment of a spectacle-type image display device according to the present invention.

The glasses-type image display device 1 has a pair of left and right liquid crystal display panels, that is, a liquid crystal display (LCD).
y) 3, a backlight 2 for illuminating the LCD 3 from above, a pair of left and right half mirrors 4 and a pair of left and right concave half mirrors 5 provided corresponding to the LCD 3
And an AF (automatic focus adjustment function) camera 6 described later
Having.

LCD3 (3L, 3R) provided on left and right
Among them, the left-eye image is displayed on the LCD 3L provided on the left side, and the right-eye image is displayed on the LCD 3R provided on the right side.

The LCD 3 can display an image input from a computer or a video device, for example.

The image displayed on the LCD 3 (3L, 3R) is reflected by the half mirror 4, further expanded by the concave half mirror 5, and reflected on the half mirror 4 side, that is, on the side of the eyes E of the user P. And half mirror 4 again
And forms an image on the eye E of the user P as a virtual image.

At this time, the screen viewed by the eyes E of the user P is
The size is sensed by the ratio of the viewing angle when the image from the LCD 3 enters the eye E of the user P to the total viewing angle seen by the eye E. For example, if the viewing angle is set to 30 °, this corresponds to viewing a large 52-inch screen in terms of a virtual image distance of 2 m.

In this embodiment, the AF-type image display device 1 further includes an AF
(Automatic focus adjustment function) The camera 6 is arranged and configured.

The AF camera 6 can be provided with an image pickup device for picking up an image of a subject by, for example, a CCD solid-state image pickup device or the like.

The image viewed by the user P is captured by the AF camera 6, and the captured image is enlarged and displayed on the screen of the spectacles type image display device 1 by a processing circuit to be described later so as to be displayed as a large image. Can be.

Further, preferably, the AF camera 6
And a camera shake correction function and a zoom function.
Then, if the image captured by the AF camera 6 is displayed on the LCD 3, the spectacles type image display device can be used as ordinary spectacles.

Further, the AF camera 6 may be composed of two cameras, that is, a left camera 6L and a right camera 6R, each of which independently captures an image. At this time, the image captured by the camera 6L on the left side of the AF camera 6 is changed to the L for the left eye.
By displaying the image on the CD3L and displaying the image captured by the right camera 6R on the LCD 3R for the right eye, stereoscopic display can be performed.

When stereoscopic viewing is performed by the two cameras 6L and 6R as described above, the two cameras 6L and 6R can be configured to perform an automatic focus adjustment function, a camera shake correction function, and a zoom function, respectively.

In this case, the two cameras 6L and 6R
In one of the cameras, to perform signal detection for automatic focus adjustment function, camera shake correction function and zoom function,
The other camera may be configured to perform focus adjustment, camera shake correction, and zoom by the same control signal as that of one camera.

If an IR (infrared) camera is used as the AF camera 6, it can be used for night-time monitoring by applying to a night vision camera.

Further, in the present embodiment, a configuration is adopted in which the AF camera 6 is detachable from the spectacles type image display device 1. That is, as shown in FIG. 1B, the AF camera 6 is separated from the main body of the glasses-type image display device 1, and
Connect with

As a result, the glasses-type image display device 1
When the F camera 6 is detached and a document is imaged, for example, the imaged document surface is enlarged and displayed on the screen of the glasses-type image display device 1. Therefore, in the present embodiment,
The spectacles type image display device 1 can be made to correspond to a low vision person.

In the present embodiment, the AF camera 6 has a compound eye, but the AF camera may be a single eye or a compound eye. However, when performing stereoscopic display as described above, the AF camera 6 is configured with a compound eye.

Next, the operation of the circuit of the glasses-type image display device 1 will be described. FIG. 2 is a block diagram schematically showing a circuit configuration of the glasses-type image display device 1 according to the present embodiment.

In the spectacles type image display device 1 of the present embodiment, as shown in FIG. 2, an imaging device unit 10, an imaging processing unit 11, a video processing unit 12, a switch 13, a display processing unit constituting the AF camera 6. 14 and a display device unit 15.

The image pickup device section 10 picks up an image of a subject using a CCD solid-state image pickup device or the like. The imaging processing unit 11 digitally processes the video signal input from the imaging device unit 10 to perform AF, that is, automatic focal length adjustment and camera shake correction. As a configuration for performing the automatic focal length adjustment in the imaging processing unit 11, for example, a system using infrared rays or ultrasonic waves, a triangulation system using a line sensor or the like (optical system)
And the like can be used. The video processed by the imaging processing unit 11 in this manner is input to the switch 13.

Similarly, a video signal externally input from a computer, a video device, or the like through an input terminal In is:
The image is processed by the image processing unit 12 and input to the switch 13. The switch 13 switches between an image captured by the imaging device unit 10 and an image externally input through the input terminal In. Thereby, the user P can switch and view the video displayed on the glasses-type image display device 1.

The display processing section 14 converts the video signal into a signal format suitable for the display device section 15. The display device unit 15 displays an image based on the video signal.

The image taken by the image pickup device unit 10 and the image inputted from the outside are mixed by the display processing unit 14 by MIX.
(Synthesis).

The glasses-type image display device 1 according to the embodiment described above.
According to this, the user does not need to carry the camera device and the spectacle type image display device, and the trouble is eliminated. It can also be used as a substitute for glasses.

The eyeglass-type image display device of the present invention is not limited to the above-described embodiment, but may take various other configurations without departing from the gist of the present invention.

[0041]

According to the spectacle type image display device of the present invention, it is not necessary to carry both the camera device and the spectacle type image display device, and the convenience is improved.

When the camera device is constituted by two camera devices, it is possible to view a stereoscopic image by displaying an image stereoscopically viewed from an image picked up by each of the two camera devices on a display unit. it can.

Further, when the camera device is detachable from the spectacle type image display device, enlarged display of documents and the like can be performed so as to cope with low vision persons.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of an embodiment of a glasses-type image display device according to the present invention. FIG. 1A is a perspective view of a glasses-type image display device. B. AF in a state detached from the glasses-type image display device main body
It is a figure showing a camera.

FIG. 2 is a block diagram schematically illustrating a circuit configuration of the glasses-type image display device of FIG. 1;

[Explanation of symbols]

1) Glasses-type image display device, 2) Backlight, 3)
{LCD, 4} half mirror, 5} concave half mirror, 6 AF camera, 7 code, 10 imaging device section, 11 imaging processing section, 12 image processing section,
13 ‥‥ switch, 14 ‥‥ display processing unit, 15 ‥‥ display device unit, eyes of P ‥‥ user, E ‥‥ user

Claims (5)

[Claims] 1. An eyeglass-type image display device comprising a camera device having an automatic focal length adjustment function. 2. The eyeglass-type image display device according to claim 1, wherein the camera device has a camera shake correction function and a zoom function. 3. The eyeglass-type image display device according to claim 1, wherein the camera device is an infrared camera. 4. The camera according to claim 1, wherein the camera device includes two camera devices, and an image obtained by stereoscopically viewing an image captured by each of the two camera devices is displayed on a display unit. An eyeglass-type image display device. 5. The apparatus according to claim 1, wherein the camera device is configured to be detachable from the glasses-type image display device.
3. An eyeglass-type image display device according to claim 1.