JPH09159965A - Head mount type video display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the video display device which is usable even when mounted on a desk, not to mention a state wherein the device is mounted on the head. SOLUTION: This device consists of a video display part 1 consisting of a video display element, an ocular optical system which guides video displayed on the video display element to the eyeball of an observer as a virtual image, and a storage part which contains the video display element and ocular optical system, a mount part 2 which is mounted on the head part of the observer, a support part 3 that connects and holds the video display part 1 and mount part 2 and a deforming and moving means which moves the center of gravity of the mount part 2 and support part 3 relatively to below the video display part 1. In this case, the mount part 2 and/or support part 3 functions as a support base.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a head-mounted type which is detachably mounted on an observer's head and is used to directly project an observation image on a retina in the eyeball of the observer in an enlarged manner. The present invention relates to a video display device, and more particularly to a device that can be used even when placed on a table.

[0002]

2. Description of the Related Art There are various head-mounted image display devices of this type. For example, Japanese Patent Application Laid-Open No. 2-63379 discloses a device in which an observer can easily adjust the position of the image display unit according to personal preference and usage condition. As shown in FIG. 15, this apparatus includes a video display unit 51 including a light emitting element, an imaging optical system, and a mirror, and a mounting unit 52 having a head mounting member for mounting on the observer's head.
And a support portion 53 for connecting and holding the image display portion 51 and the mounting portion 52. The mounting portion 52 and the support portion 53 are rotatably connected and held by a joining member such as a ball joint. Further, the image display section 51 and the support section 53 are connected and held by a joining member such as a hinge joint. With these joining members, the device can be fixed at a position where the image can be favorably viewed by the observer while the image display device body is mounted on the observer's head.

On the other hand, Japanese Patent Laid-Open No. 5-91582 discloses that
There is disclosed a head-mounted image display device capable of easily flipping up only the image display unit. The structure of this device is almost the same as that of the device disclosed in the above-mentioned Japanese Patent Laid-Open No. 2-63379, but, as shown in FIG. 16, the image display portion 54 and the mounting portion 55 are not supported by the supporting portion. The only difference is that a support belt 56 is used and is drivably connected and supported. As a result, the observer can flip up the image display unit 54 in the upper direction of the observer's face while wearing the device. In addition, Japanese Patent Laid-Open No. 5-2
Japanese Patent No. 64926 discloses a device that can be normally worn on the head of an observer and can be folded and stored when not in use. This device basically has the same configuration as each of the above-mentioned devices, except that a hair band is used as a mounting portion and the hair band is rotatably connected to a handle as a supporting portion. Further, the hair band and the handle are configured to be folded together.

[0004]

However, in the conventional head-mounted image device shown here, the observer cannot observe the image unless the device is always worn on the head. When it becomes necessary for the observer to alternately observe the image and the external image, or when the observer does not like the state in which the device is fixed to the head, the device can be removed from the head and used. preferable. However, no head-mounted image device that can be used without mounting on the head has been proposed so far, including the above-described device.

Therefore, the present invention has been made in view of the above-mentioned problems of the prior art, and can be used not only when it is worn on the head but also when it is placed on the table. An object is to provide a display device.

[0006]

In order to achieve the above object, a head-mounted image display device according to the present invention guides an image display element and an image displayed on the image display element to a viewer's eyeball as a virtual image. An image display unit including an eyepiece optical system, a storage unit that stores the image display element and the eyepiece optical system, a mounting unit that is mounted on the observer's head, and the image display unit is connected to and held by the mounting unit. A head-mounted image display device including a support portion; and a deformation-moving means capable of relatively moving a center of gravity of the attachment portion and the support portion to a lower side of the image display portion, One or both of the section and the support section can function as a support base. Further, in the apparatus of the present invention, the image display unit and the support unit are connected by the first connecting member and are rotatable with respect to each other about the first connecting member as an axis, and each is fixed at a desired position. Furthermore, the rotation angle between the image display unit and the support unit about the first connecting unit as an axis is at least 90 degrees or more.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The head-mounted image display apparatus according to the present invention is basically mounted on the head of an observer for use. In this case, the positions of the image display unit, the support unit, and the mounting unit are determined so that the optical path of the image guided from the image display unit faces the observer's eye direction while the mounting unit is held by the observer's head. And fix it. On the other hand, in the device of the present invention, one or both of the mounting portion and the supporting portion can function as a support base, and the image display portion is rotated with respect to the mounting portion via the supporting portion. Since it is possible to change their relative positions by moving them, it is possible to remove the device from the head and place it on a table to observe the image. In this case, position the image display unit, the support unit, and the mounting unit so that the optical path of the image guided from the image display unit is almost horizontal or slightly upward with the mounting unit or the supporting unit leaning against the table. Fix each one. Further, since the image display unit and the supporting unit can be rotated by 90 degrees or more about the first connecting unit as an axis, it is possible to fix the image display unit at a position where an observer can easily see even in a deformed state. is there. When the device of the present invention is stored, the deforming means may be deformed (a state in which it can be used on a table).

The present invention will be described in detail below with reference to the illustrated embodiments.

First Embodiment FIG. 1 is a diagram showing a state of use of a head-mounted image device according to this embodiment, and FIG. 1 (a) shows a state in which an observer wears the head-mounted image device. , (B) show a state of being placed on a table for use. The head-mounted image display device 10 of the present embodiment is basically composed of an image display unit 1, a mounting unit 2 and a support member 3.

FIG. 2 is a view for explaining the internal structure of the image display unit 1, which is a sectional view taken along the line AA shown in FIG. 1 (b). Inside the image display unit 1, a display element 4 for displaying an image, an eyepiece optical system 5 for guiding the image displayed on the display element 4 to an eyeball of an observer, and an image for transmitting and blocking an external image. Each pair of liquid crystal shutters 7 is provided. The display element 4 includes a combination of a backlight and a liquid crystal display element, and a two-dimensional array of LEDs and C.
RT or the like is used. The eyepiece optical system 5 is composed of a prism 5a and a prism 5b, a half mirror 5c is formed on the joint surface between the prism 5a and the prism 5b, and a concave mirror 5d is formed on the bottom surface of the prism 5b. Therefore, the image displayed on the display element 4 passes through the prism 5a and the half mirror 5c and is incident on the concave mirror 5d formed on the bottom surface of the prism 5b. The image reflected by the concave mirror 5d is reflected by the half mirror 5c again and then guided to the eyeball of the observer so that the observer can observe the image. At this time, the liquid crystal shutter 6 is in the operating state and blocks the external light. On the other hand, when observing the external image, the liquid crystal shutter 6 is turned off without displaying an image on the display element 4. At this time, the external image is guided to the observer's eyeball through the prism 5a, the half mirror 5c, and the prism 5b in this order. It is also possible to combine the device display image and the external image for observation. The eyepiece optical system 5 may be configured by combining a convex lens and a concave lens.

The mounting portion 2 is a device for holding and fixing the image display device 10 to the observer's head, and includes a belt member 7 and
The adjustment device 8 includes a mounting portion exterior member 9, and an adjustment knob 11 connected to the adjustment device 8 via the mounting portion exterior member 9. The mounting portion exterior member 9 has a flat upper surface so as to have a function as a support base when the image display device 10 is placed on a table for use. The image display unit 1 is connected to the support member 3 by a connecting member 12a (first connecting unit) such as a drive joint,
It is rotatable with respect to the support member 3 about the connecting member 12a as an axis. On the other hand, the other end of the support member 3 is also connected to the mounting portion exterior member 9 by a coupling member 12b (second coupling portion) such as a drive joint, and the support member 3 is attached to the mounting portion exterior member 9 with the coupling member 12b as an axis. It is rotatable.
The connecting members 12a and 12b can fix the image display unit 1 and the supporting member 3 at arbitrary angles (positions), respectively. Incidentally, the other side of the illustrated device is also configured similarly.

First, a case where an observer wears the head-mounted image display device 10 of this embodiment on his / her head and uses it will be described. The mounting portion 2 of the image display device 10 is attached to the observer's head, the adjusting knob 11 is turned to adjust the length of the belt portion 7 to the size of the wearer's head, and the mounting portion 2 is attached to the observer's head. Firmly fixed to. Then, the support member 3 is rotated with respect to the mounting portion exterior member 9 about the connecting member 12b as an axis so that the image display unit 1 is located in front of the observer's eyeball.
The connecting member 12b fixes the member at an optimum angle (position).
Further, the image display unit 1 is rotated with respect to the support member 3 about the connecting member 12a as an axis so that the image emitted from the image display unit 1 is guided to the observer's eyeball in a good state, and is connected at an optimum angle. It is fixed by the member 12a.

Next, the case where the head-mounted image display device 10 of this embodiment is used while it is placed on a table will be described. When the image display device 10 is used for a tabletop, first, the upper surface of the mounting portion exterior member 9 of the mounting portion 2 faces downward. As described above, since the upper surface of the mounting portion exterior member 9 is formed flat, it can be placed horizontally on a table. In this state, the support member 3 is rotated with respect to the mounting portion exterior member 9 about the connecting member 12b so that the support member 3 is positioned substantially vertically above the mounting portion exterior member 9. After the position of the support member 3 is determined, the support member 3 is fixed by the connecting member 12b. Next, the image display unit 1 is rotated with respect to the support member 3 about the connecting member 12a as an axis so that the optical path of the image emitted from the image display unit 1 is almost horizontal or slightly upward. At this time, the image display unit 1 is preferably configured to be rotatable by 90 degrees or more. Then, after the angle (position) of the image display unit 1 is determined, the image display unit 1 is fixed by the connecting member 12a. By placing the image display device 10 on the table in this manner, the observer can observe the image without wearing it on the head.

When the video display device 10 of this embodiment is used, a controller and a connecting cable are required, though not particularly shown. A video signal is transmitted from the controller and supplied to the video display device 10 via a connection cable. Furthermore, by miniaturizing this controller, it is possible to incorporate it in the video display device 10.

FIG. 3 is a diagram showing a modification of this embodiment,
(A) shows a state in which the observer is wearing it on the head and is using it, and (b) shows a state in which it is being placed on a table and in use. In this image display device 10 ', the support member 3 described above is used.
Is composed of two support members 3a and 3b. The support member 3a and the support member 3b are connected to each other by a connecting member 1 such as a drive joint.
It is connected by 2c. The support member 3a and the support member 3b are rotatable with respect to each other with the connecting member 12c as an axis, and the connecting member 12c supports the supporting member 3a.
The angle formed by the support member 3b can be fixed.
In addition, the other configuration and method of using the device are shown in FIG.
It is similar to the device shown in (b).

As described above, the head-mounted image device of this embodiment can observe an image not only when it is worn on the head but also when it is placed on the table. Further, when this apparatus is not used, it can be stored as it is on a table. Further, in the device shown in FIG. 3, since the support member 3 is composed of the two support members 3a and 3b, it is possible to make a fine position adjustment of the image display unit 1.
The image can be observed in a better condition.

Second Embodiment FIG. 4 is a diagram showing a use state of the head-mounted image pickup device according to this embodiment, and FIG. 4 (a) shows a state in which an observer wears the head-mounted image device. , (B) show a state of being placed on a table for use. In the image display device 20 of this embodiment, a part of the mounting portion exterior member 9 of the mounting portion 2 also serves as the support member 3. The support member 3 is connected to the mounting portion exterior member 9 by a connecting member 12b and is rotatable with respect to the mounting portion exterior member 9 about the connecting member 12b. Furthermore,
End of the mounting portion exterior member 9 (the portion below the connecting member 12b)
A stopper 9a is formed on the stopper 9a.
A stopper 3c is also formed at the end portion of the support member 3 fitted to. The illustrated stoppers 3c and 9a are both formed in a stepped shape, but other shapes may be used. The other end of the support member 3 has a connecting member 12
The image display unit 1 is connected using a, and the image display unit 1 is rotatable with respect to the support member 3 about the connecting member 12a. Further, although not shown, a stopper similar to the above is provided at a portion where the image display unit 1 and the supporting member 3 are connected. Further, the mounting portion exterior member 9 has a flat lower surface so that it can function as a support base, and this surface can be placed on a table. still,
It goes without saying that the surface on the opposite side of the side surface of the device shown in the figure has the same structure.

Further, by fitting the stopper provided on the image display unit 1 and the stopper provided on the support member 3, the rotatable range of the image display unit 1 with respect to the support member 3 is limited. . Further, the stopper 3c provided on the support member 3 and the stopper 9 provided on the mounting portion exterior member 9
With a, the rotatable range of the support member 3 with respect to the mounting portion exterior member 9 is limited. This rotatable range is not particularly limited as long as it is a range in which the image display device 20 can be deformed from being mounted on the observer's head to being mounted on a table or the like. The configuration of the video display device 20 of this embodiment other than that described here is as shown in FIG.
This is the same as the device of the first embodiment shown in (b).

Next, a modified example of this embodiment will be described with reference to FIGS. FIG. 5 is a diagram showing a state in which an observer wears the head-mounted image display device 20 'on his / her head and uses it. Further, FIG. 6 shows a head-mounted image display device 20 '.
Is a diagram showing a state in which is used by placing on a table,
(A) is a side view, (b) is a front view. Here, the mounting portion exterior member of the mounting portion 2 is configured by the front mounting portion 14 and the rear mounting portion 15, and the front mounting portion 14 and the rear mounting portion 15 are included.
And are connected using a connecting member 12d. The front mounting portion 14 has the rear mounting portion 1 with the coupling member 12d as an axis.
It is rotatable with respect to 5. Unlike the device shown in FIGS. 3 (a) and 3 (b), when the image display device 20 ′ is placed on a table and used, the surface in contact with the table is the upper surface of the mounting portion exterior member. It is necessary to form this surface flat. Further, one end of the supporting member 3 is connected to the front of the front mounting portion 14 by the connecting member 12b, and the supporting member 3
Is rotatable with respect to the front mounting portion 14 about the connecting member 12b. A stopper 14a and a stopper 15a are provided in a portion where the front mounting portion 14 and the rear mounting portion 15 are connected to each other. The rotation angle between the front mounting portion 14 and the rear mounting portion 15 is provided by these stoppers 14a and 15a. The range of is limited. Furthermore, the other end of the support member 3 and the upper center of the image display unit 1 are connected via a connecting member 12a, and the image display unit 1 is rotatable with respect to the support member 3 about the connecting member 12a as an axis. There is. Although not shown in the drawing, stoppers similar to those described above are also provided between the front mounting portion 14 and the support member 4 and between the support member 4 and the image display unit 1, so that it is unnecessary. It doesn't rotate.

As described above, in the head-mounted image display device of this embodiment, the image can be observed not only when it is worn on the head but also when it is placed on the table. Further, when this device is not used, it can be stored in a state in which it can be placed on a table. Further, since the mounting device, the supporting member and the image display unit are provided with stoppers, respectively, the device is prevented from being deformed more than necessary, and the device can be prevented from being damaged or broken.

Third Embodiment A head-mounted image display apparatus of this embodiment will be described with reference to FIGS. 7 and 8. FIG. 7 (a) is a diagram showing a state in which an observer wears the head-mounted image device of this embodiment on his / her head, and FIG. 7 (b) is a diagram of the device viewed from above. is there.
Further, FIG. 8 is a view showing a state in which the head-mounted image device of this embodiment is placed on a table and used. As shown in the figure, in the head-mounted image display device 30 of the present embodiment, the mounting portion is configured by connecting the supporting member 3 integrated with the speaker device 16 and the mounting arm 18 by the connecting member 12b. ing. The mounting arm 18 is rotatable with respect to the support portion 3 around the connecting member 12b as an axis. Further, the support member 3 and the rear end surface of the speaker device 16 are formed flat so as to function as a support base when the image display device 30 is placed on a table for use. The other structure is the same as that of the device of the first embodiment.

When the image display device 30 of the present embodiment is placed on a table and used, as shown in FIG. 8, the support portion 3 is so arranged that the rear end surfaces of the support portion 3 and the speaker device 16 are in contact with the table. Is rotated with respect to the image display unit 1 with the connecting member 12a as an axis. Further, the mounting arm 18 is rotated with respect to the support portion 3 about the connecting member 12b as an axis so that the mounting arm 18 serves as an auxiliary leg of the support base. By being deformed in this way, the image display device 30 can be placed on a table and used.

FIG. 9 is a diagram showing a modification of this embodiment,
(A) shows a state in which the observer is wearing it on the head and is using it, and (b) shows a state in which it is being placed on a table and in use. In the image display device 30 'shown here, a wearing headband 19 is used in place of the wearing arm 18 constituting the mounting portion in the image display device 30 shown in FIGS. The headband 19 is a video display device 3
When 0'is attached to the head, it holds the device at the top of the observer's head, and when placed on a table, it acts as an auxiliary leg.

As described above, also in the head-mounted image display apparatus of this embodiment, it is possible to observe an image not only when it is worn on the head but also when it is placed on the table.
Further, when the apparatus is not used, it can be stored in a state where it can be placed on a table. Further, in particular, in the head-mounted image display device of this embodiment, since the speaker device 16 is provided, it is possible to supply sound together with an image.

Fourth Embodiment A head-mounted image display apparatus of this embodiment will be described with reference to FIGS. 10 and 11. FIG. 10 (a) is a diagram showing a state where an observer wears the head-mounted image display device of this embodiment on his / her head, and FIG. 10 (b) is a front view of the device. Further, FIG. 11 is a view showing a state in which the head-mounted image display device of this embodiment is placed on a table and used. In the head-mounted image display device 40 of the present embodiment, the mounting portion is composed of a mounting portion exterior member 17 that also functions as a support member that supports the image display portion 1, a mounting belt 21, and a pedestal 22. . The mounting portion exterior member 17 and the image display unit 1 are connected by a connecting member 12a, and the mounting portion exterior member 17 is configured to be rotatable with respect to the image display unit 1 about the connecting member 12a. The wearing belt 21 is for holding and fixing the image display device 40 at the top of the observer's head when the image display device 40 is used by being worn on the head. Further, the upper surface of the pedestal 22 is formed flat so that the pedestal 22 can function as a support when the image display device 40 is placed on a table and used. The other structure is the same as that of the device of the first embodiment.

When the image display device 40 of this embodiment is placed on a table and used, as shown in FIG.
This is possible by rotating the mounting portion exterior member 17 with respect to the image display portion 1 about the connecting member 12a as an axis so that the upper surface of the mounting portion comes into contact with the tabletop.

Next, a first modification of this embodiment will be described with reference to FIGS. 12 and 13. FIG. 12 (a) is a diagram showing a state in which an observer is wearing the head image display device on his / her head, and FIG. 12 (b) is a front view of the device. FIG. 13 is a diagram showing a state in which the head-mounted image display device is placed on a table and used. In this video display device 40 ', the upper surface of the mounting portion exterior member 17 which also functions as a support portion for supporting the video display portion 1 is configured to be flat and has a function as a support base. Then, the wearing belt 21 is attached to the connecting member 1
2b is used to connect to the mounting portion exterior member 17, and the mounting belt 21 is used as a shaft for the coupling member 12b.
It is configured to be rotatable with respect to. Therefore, at the time of deformation, the mounting belt 21 is mounted on the mounting portion exterior member 1 with the connecting member 12b as an axis.
When it is rotated with respect to 7, it can function as an auxiliary leg of the support base.

Further, FIG. 14 is a diagram showing a second modification of the present embodiment, and FIG. 14A shows a state in which an observer wears the head-mounted image display device on his / her head and uses it. Shows,
(B) has shown the state which mounts and uses such an apparatus on a desk. In this head-mounted image display device 40 ″, the rear end surface of the mounting portion exterior member 17 is formed flat so as to function as a support stand. Further, a pair of left and right mounting arms 23 is provided as the mounting portion. A pad 24 having a flat rear surface is attached to the rear end portion of each mounting arm 23. Therefore, the image display device 40 ″.
When used as a tabletop, the mounting portion exterior member 17 is rotated with respect to the image display unit 1 around the connecting member 12a as an axis, and the rear end surface of the mounting portion exterior member 17 and the rear surface of the pad 24 are placed on the tabletop. This will be possible. At this time,
The support portion exterior member 17 and the pad 24 function as a support base and an auxiliary leg, respectively.

As described above, also in the head-mounted image display apparatus of this embodiment, it is possible to observe an image not only when it is worn on the head but also when it is placed on the table.
Further, when this device is not used, it can be stored in a state in which it can be placed on a table.

As described above, the head-mounted image display device according to the present invention has the following features (1) to (7) in addition to the features described in the claims.

(1) The mounting portion and the supporting portion are the second
2. The head-mounted image according to claim 1, wherein the head-mounted image is connected by the connecting members and rotatable with each other around the second connecting member as an axis and can be fixed at desired positions. Display device.

(2) The head-mounted image display device according to claim 1, wherein the support portion and the mounting portion are configured to be retractable from an optical path guided from the image display portion. .

(3) The end surface of the image display section connected by the first connecting section, the first end surface of the supporting section, and the first supporting section connected by the second connecting section. The head-mounted image display device according to claim 2 or (1), characterized in that stoppers are respectively provided on the end surface of 2 and the end surface of the mounting portion.

(4) The head according to claim 1, wherein the supporting portion is integrally formed with an acoustic portion such as a speaker, and a part of the acoustic portion can function as a support base. Part-mounted video display device.

(5) The supporting part and the mounting part exterior member are integrally formed, and a part of the mounting part exterior member can function as a support base. The head-mounted image display device described.

(6) The supporting portion and the mounting portion exterior member are integrally formed, and a pedestal having a function as a support is provided above the mounting portion exterior member. The head-mounted image display device according to (5).

(7) The head mounting according to claim 1, wherein the supporting portion has a function as a supporting base, and the mounting portion functions as an auxiliary leg of the supporting base. Type video display device.

[0038]

As described above, the head-mounted image display device of the present invention is not only usable by the observer while wearing it on his / her head, but also allows a good image to be observed even when placed on a table. Since it is possible, it can be used in a wide range of fields.

[Brief description of the drawings]

FIG. 1 is a diagram showing a usage state of a head-mounted image display apparatus according to a first embodiment, FIG. 1 (a) is a diagram showing a state in which an observer is wearing the head-mounted image display device, and FIG. ) Is a diagram showing a state of being placed on a table for use.

FIG. 2 is a cross-sectional view taken along the line AA shown in FIG.

3A and 3B are views showing a modified example of the first embodiment, in which FIG. 3A is a view showing a state in which an observer wears the device on his / her head, and FIG. 3B is placed on a table. It is a figure which shows the state currently used.

FIG. 4 is a diagram showing a usage state of the head-mounted image display device according to the second embodiment, FIG. 4 (a) is a diagram showing a state in which an observer is wearing the head-mounted image display device, and FIG. ) Is a diagram showing a state of being placed on a table for use.

FIG. 5 is a diagram showing a state in which an observer wears and uses a head-mounted image device which is a modified example of the second embodiment.

FIG. 6 is a diagram showing a state in which a head-mounted image device, which is a modified example of the second embodiment, is placed on a table and in use;
(A) is a side view, (b) is a front view.

FIG. 7A is a diagram showing a state in which an observer wears and uses the head-mounted image display device of the third embodiment, and FIG.
FIG. 3 is a view of such a device as seen from above.

FIG. 8 is a diagram showing a state in which the head-mounted image device of the third embodiment is placed on a table and used.

FIG. 9A is a diagram showing a state in which an observer wears and uses a head-mounted image display device which is a modified example of the third embodiment, and FIG. 9B shows the device mounted on a tabletop. It is a figure which shows the state currently installed and used.

FIG. 10A is a diagram showing a state in which an observer wears and uses the head-mounted image display device of the fourth embodiment;
(B) is a front view of such a device.

FIG. 11 is a diagram showing a state in which the head-mounted image device of the fourth embodiment is placed on a table and used.

FIG. 12 (a) is a diagram showing a state in which an observer wears and uses a head-mounted image display device which is a first modification of the fourth embodiment, and FIG. 12 (b) shows such a device. It is a front view.

FIG. 13 is a diagram showing a state in which a head-mounted image device, which is a first modification of the fourth embodiment, is placed on a table for use.

FIG. 14A is a diagram showing a state in which an observer wears and uses a head-mounted image display device which is a second modification of the fourth embodiment, and FIG. 14B shows such a device. It is a figure which shows the state currently mounted and used on the tabletop.

FIG. 15 is a diagram showing a state in which an observer wears and uses a conventional head-mounted image display device.

FIG. 16 is a perspective view showing a configuration of a conventional head-mounted image display device.

[Explanation of symbols]

1 image display section 2 mounting section 3, 3a, 3b support member 3c, 9a, 14a, 15a stopper 4 display element 5 eyepiece optical system 5a, 5b prism 5c half mirror 5b concave mirror 6 liquid crystal shutter 7 belt member 8 adjusting device 9, 17 Mounting part exterior member 10, 10 ', 20, 20', 30, 30 ', 40, 4
0 ', 40 "Head-mounted image display device 11 Adjustment knobs 12a, 12b, 12c Connecting member 14 Front mounting part 15 Rear mounting part 16 Speaker device 18,23 Mounting arm 19 Headband 21 Mounting belt 22 Pedestal 24 pad

Claims (3)

[Claims] 1. An image display comprising an image display element, an eyepiece optical system for guiding an image displayed on the image display element as a virtual image to an eyeball of an observer, and a storage section for storing the image display element and the eyepiece optical system. A head-mounted image display device, comprising: a mounting portion, a mounting portion that is mounted on the head of an observer, and a supporting portion that connects and holds the image display portion to the mounting portion. It has a deformation moving means capable of relatively moving the center of gravity to the lower side of the image display section, and one or both of the mounting section and the support section can function as a support base. Characteristic head-mounted video display device. 2. The image display unit and the support unit are provided with a first unit.
2. The head-mounted image according to claim 1, wherein the head-mounted image is connected by the connecting members and rotatable with each other about the first connecting member so that they can be fixed at desired positions. Display device. 3. The head according to claim 2, wherein a rotation angle of the image display unit and the support unit about the first connecting unit as an axis is at least 90 degrees or more. Wearable video display device.