JP2013214910A - Head-mounted display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a head-mounted display device that allows a user to dispose a display unit at a position not interfering with vision, and allows the display unit to be disposed at an angle and focal distance always optimum for the user.SOLUTION: A head-mounted display device 1 is a display device which is used while being mounted on the head of a user S, and comprises a base part 2 mounted on the head of the user S, and a movable part 3 having display units 4, 4. The movable part 3 is rotatably pivoted with respect to the base part 2 with rotating parts K, K as pivots, and the rotating parts K, K are disposed so as to be positioned at the respective centers O of the eyeballs S3, S3 of the user in a side view.

Description

  The present invention relates to a display device mounted on a head.

  A display device mounted on a conventional head is usually designed so that the user's line of sight matches an angle that is an optimal viewing angle in the display unit. In recent years, it may be assumed that daily activities such as walking and reading are performed with the display device mounted on the head. In this case, the display unit can be moved to a position that does not obstruct the user's view. A display device is required. Therefore, it is attached to the head using a handle and a nose pad, and the device body of the display device is supported by the handle so that it can rotate upward and downward via a rotating piece and a rotating shaft. Can be adjusted to an arbitrary angle of the person (see, for example, Patent Document 1).

  In addition, a display is attached to a nosepiece part supported on the user's nose via a bridge part and a articulator, and these members are pivotally coupled to each other so that the angle of each part can be adjusted. There is one that can be adjusted to adjust the display unit to an optimum angle and focal length for the user (see, for example, Patent Document 2).

Japanese Patent Laid-Open No. 11-133848 (page 5, FIG. 1) Japanese translation of PCT publication No. 2002-529774 (9th page, FIG. 3D)

  However, in Patent Document 1, since the nose pad and the display unit used for mounting on the user's head are both provided in the apparatus body and configured integrally, the display unit When the device body is rotated when adjusting the angle, the nose pad is displaced from the user's nose, making it difficult to adjust the display unit to the optimum angle and focal length for the user. .

  Further, in Patent Document 2, in order to adjust the display unit (display) to the optimum angle and focal length for the user, the nose pad component, the bridge component, the articulator, and the display are combined. Each part had to be angle-adjusted, and there was a problem that adjustment work was complicated.

  The present invention has been made paying attention to such problems, and the display unit can be arranged at a position where the user does not interfere with vision, and the display unit is always arranged at an optimum angle and focal length for the user. It is an object to provide a head-mounted display device that is possible.

In order to solve the above problems, the head-mounted display device of the present invention includes:
A display device used by being worn on the user's head,
The display device includes a base portion mounted on a user's head and a movable portion having a display portion, and the movable portion is pivotally supported with respect to the base portion with the rotation portion serving as a fulcrum. The rotating portion is disposed at the center of the eyeball of the user in a side view.
According to this feature, the movable unit having the display unit can rotate about the center of the user's eyeball as a fulcrum in a side view, and therefore the user moves the display unit to a position that does not obstruct his / her field of view. However, by directing the line of sight to the display unit, the image can always be viewed at the optimum angle and focal length.

The head-mounted display device of the present invention is
The base portion has an arcuate guide portion centered on the rotating portion in a side view, and the movable portion slides with respect to the guide portion.
According to this feature, the movable part is guided by the arcuate guide part and can be accurately rotated.

The head-mounted display device of the present invention is
The sliding part is disposed behind the guide part, and the dimension between the front surface of the sliding part and the rotating part is the dimension between the rear surface of the guide part and the rotating part. It is characterized by being set longer.
According to this feature, the sliding portion slides with the front surface pressed against the rear surface of the guide portion, and the movable portion can rotate with an appropriate frictional force against the rim member of the base portion. It can be stopped at any position.

The head-mounted display device of the present invention is
The base is attached to the user's head by at least a nose pad provided on the user's face side and ear pads provided on both sides.
According to this feature, since the base is supported at three points of the nose and both ears, it does not move in conjunction with the rotation of the movable part, and the display part does not deviate from a predetermined angle and focal length. Can always be displayed optimally.

It is a front view which shows the head mounted display apparatus in an Example. It is a side view which shows a head mounting | wearing display apparatus. It is a perspective view which shows a base. It is a perspective view which shows a movable part. (A) is a perspective view which shows a head mounted display apparatus, (b) is a perspective view which shows the case where a movable part is lowered | hung below. It is a side view which shows the dimensional difference of a base and a movable part. It is a side view which shows rotation of a movable part. It is a schematic side view showing the relationship between the position adjustment of the display unit and the user's line of sight.

  EMBODIMENT OF THE INVENTION The form for implementing the head mounted display apparatus which concerns on this invention is demonstrated below based on an Example.

  A head-mounted display device according to an embodiment will be described with reference to FIGS. Hereinafter, the front side of FIG. 1 will be described as the front side (front side) of the head-mounted display device.

  Reference numeral 1 in FIG. 1 is a head-mounted display device to which the present invention is applied.

  As shown in FIGS. 1 and 2, the head-mounted display device 1 is mainly composed of a base 2 that is mounted on the head of a user S and a movable part 3 having display units 4 and 4. The movable portion 3 excluding the base portion 2 and the display portion bends a rod-shaped member formed of a relatively light metal (for example, aluminum or titanium) or carbon over the face and both side surfaces of the user S. Mainly formed. Note that the rod-shaped member is not limited to the above-described material, and may be formed of a resin such as plastic.

  First, the base 2 will be described with reference to FIGS.

  As shown in FIG. 3, the base 2 includes a rim member 20 disposed on the face side of the user S and temple members 21, 21 disposed on both sides of the user. It is formed to be pivotally connected by hinge portions 22 and 22 having vertical axes 100 and 100 provided on the front end side, and the temple members 21 and 21 can be folded inward.

  As shown in FIGS. 2 and 3, the rim member 20 has a substantially U shape with the rear opened in plan view, and has wisdom portions 20b and 20b between the temple members 21 and 21, Horizontal shaft holes 20c and 20c are provided on the temple member side of the end portions 20b and 20b, respectively. The shaft holes 20c and 20c and shaft holes 3c and 3c (provided in the movable part 3 described later) are provided. 4), and shaft members 5 and 5 through which these are inserted, respectively, constitute a rotating portion K of the present invention. The rim member 20 is formed so as to be gently curved forward in accordance with the face of the human body in plan view.

  As shown in FIGS. 1 and 3, a guide portion 20a is formed in the center of the rim member 20 as viewed from the face side of the user S. The guide portion 20a has a part of the rod-shaped member facing upward. It is bent toward the front and formed in a substantially downward U-shape when viewed from the front, and is curved in a substantially arc shape (see FIG. 2) centering on the shaft hole 20c when viewed from the side.

  As shown in FIG. 2, the wisdom portion 20b is formed to extend obliquely downward starting from the shaft hole 20c, so that the rim member 20 is disposed below the temple members 21, 21. It has become. Furthermore, in the horizontal state of the head-mounted display device 1, the upper end of the rim member 20, that is, the upper end portion 200 of the guide portion 20a, and the shaft holes 20c and 20c are set to have substantially the same height.

  As shown in FIG. 3, nose pad members 23, 23 to be hung on the user's nose S <b> 1 are attached to the inner surfaces of the left and right rising parts 200 a, 200 a forming the guide part 20 a. In addition, ear support portions 21a and 21a to be hung on the user's ear S2 are provided at the base portions of the temple members 21 and 21, respectively. The ear contact portions 21a and 21a and the nose contact members 23 and 23 are provided. Thus, it is attached to the user's head (see FIG. 2).

  Next, the movable part 3 will be described with reference to FIGS.

  As shown in FIG. 1 and FIG. 4, the movable portion 3 is formed by bending a rod-like member in the same manner as the base portion 2, has a substantially U shape with the rear opened in plan view, and the base portion 2. A part of the rod-like member, which is arranged so as to be located behind the rim member 20 and has substantially the same shape as the guide portion 20a, bends upward at the center portion on the face side of the user. Thus, a sliding portion 3a is formed which is formed in a substantially U shape in a front view and curved in a substantially arc shape (see FIG. 2) centering on the shaft hole 3c in a side view.

  Further, as shown in FIG. 4, the back surfaces 31 and 31 of the rod-like members extending in the horizontal direction from both sides of the sliding portion 3a have substantially the same width as the width of the user's black eyes (not shown) in front view. Display devices 4 and 4 are respectively attached (see FIG. 1). As will be described in detail later, the display devices 4 and 4 include a display that displays an image most clearly with respect to each eye of the user when it is substantially perpendicular to the user's line of sight. Note that the display units 4 and 4 are preferably formed to be relatively small so as not to obstruct the field of view of the user S when the user S does not need to see the display units 4 and 4. Furthermore, as described above, the display devices 4 and 4 are not limited to the configuration using the display that individually displays images for both eyes of the user S, and for example, the images are directly displayed on the retina in each eyeball of the user. It may be in the form of projection.

  As shown in FIGS. 2 and 4, the movable part 3 is bent at both ends to form wisdom parts 3 b and 3 b, and comes into contact with the inner surfaces of the wisdom parts 20 b and 20 b in the base part 2. Yes. Further, as described above, the shaft holes 3c and 3c are provided at the ends of the movable portions 3b and 3b.

  Then, as shown in FIG. 5, shaft members 5 and 5 are respectively inserted into shaft holes 3c and 3c provided at the ends of the wiping portions 3b and 3b of the movable portion and the shaft holes 20c and 20c of the base portion. The movable part 3 is pivotally supported with respect to the base part 2 by the rotational part K comprised.

  Note that the head-mounted display device 1 has a battery 6 and an antenna 7 built in the ear pads 21a and 21a of the base 2, respectively, and the display devices 4 and 4 are wired in a rod-like member not shown here. Power is received from the battery 6 through the cable, and image data received from an external device (not shown) by the antenna 7 is displayed through the cable.

  As shown in FIG. 5, an operation portion 3e extending forward is provided on the upper portion of the sliding portion 3a. The operation portion 3e is used for adjusting the position of the movable portion 3 in the vertical direction, and the operation portion 3e abuts on the upper end portion 200 of the guide portion, thereby setting the lower limit of rotation of the movable portion 3. It plays a role as a restricting stopper.

  As shown in FIG. 6, in the side view of the sliding portion 3a, the dimension L1 between the front surface 30 and the shaft hole 3c of the substantially arc-shaped curved portion centered on the shaft hole 3c is the side view of the guide portion 20a. Is set slightly longer than the dimension L2 between the rear surface 201 of the substantially arcuate curved portion centering on the shaft hole 20c and the shaft holes 20c, 20c. For this reason, the front surface 30 of the sliding part 3a slides in a state of being pressed against the rear surface 201 of the guide part 20a. Accordingly, the movable portion 3 can be rotated with an appropriate frictional force with respect to the rim member 20 of the base portion 2 and can be stopped at an arbitrary position.

  The vertical position adjustment of the movable part 3 will be described in detail with reference to FIG. 7. When the user pushes the operation part 3e backward, the sliding part 3a is bent backward, and this bending causes the front surface of the sliding part 3a. A gap X is generated in the vicinity of the operation portion 3e between the rear surface 201 of the guide 30 and the guide portion, and the frictional force on the sliding surfaces of both is reduced. For this reason, it is possible to easily adjust the position of the movable portion 3 in the vertical direction.

  As shown in FIG. 8, the rotation unit K is disposed at the center of the user's eyeball S3 in a side view, and therefore the center O of the vertical rotation of the line of sight by moving the eyeball S3 (that is, the eyeball). The center) and the rotation part K which is a fulcrum of rotation of the movable part 3 are coaxial.

  As described above, the head-mounted display device 1 of the present invention is a display device that is used by being mounted on the head of the user S, and includes a base 2 that is mounted on the user's head S, and a display unit. 4 and 4, and the movable portion 3 is pivotally supported with respect to the base 2 with the pivot portions K and K as fulcrums, and the pivot portions K and K are used in a side view. It is located at the center O of the person's eyes S3 and S3. According to this, since the movable part 3 having the display parts 4 and 4 can be rotated about the center of the user's eyeballs S3 and S3 as a fulcrum in a side view, the position where the user S does not obstruct his / her field of view. Even when the display units 4 and 4 are moved, it is possible to always see an image at an optimum angle and focal length by directing the line of sight toward the display units 4 and 4.

  Further, the base portion 2 has an arcuate guide portion 20a centering on the rotation portion K in a side view, and the movable portion 3 slides with respect to the guide portion 20a. It is guided by the guide portion 20a and can be accurately rotated.

  Further, the base is supported at the three points of the nose S1 and the two ears S2 and S2 by the nose pads 23 and 23 provided on the face side of the user S and the ear pads 21a and 21a provided on both sides. Therefore, the base 2 does not move in conjunction with the rotation of the movable part 3, and the display parts 4 and 4 do not deviate from a predetermined angle and focal length, so that the user S is always optimally displayed. be able to.

  Further, as shown in FIG. 6, by lowering the movable part 3 downward, the user S can turn his or her line of sight forward, and if the line of sight is lowered, the images of the display parts 4 and 4 can be confirmed. Therefore, it is possible to safely perform daily life such as walking and reading while wearing the head display device 1.

  Moreover, as shown in FIG. 5, since the shape of the front side of the movable part 3 and the rim member 20 in the base part 2 are substantially the same shape, when the movable part 3 is completely lowered downward, the movable part 3 Since the bar-shaped member that forms the shape is substantially completely hidden behind the rim member 20, the shape of the head display device 1 can be simplified and reduced in size, and the aesthetic appearance when mounted outdoors is excellent.

  Moreover, since the display parts 4 and 4 are the aspects using the display which displays an image separately with respect to both eyes of the user S, the three-dimensional display which needs to display separate image data for each eye is easy. .

  Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and modifications and additions within the scope of the present invention are included in the present invention. It is.

  For example, in the said Example, although the display parts 4 and 4 are the aspects attached respectively to the rod-shaped member back surfaces 31 and 31 of the both sides of the sliding part 3a in the movable part 3, this invention is not restricted to this, A display part May be an aspect constituted by a single plate-like display, an aspect in which the display unit is attached only to one eye side, or the like.

  In addition, the movable portion 3 is supported by using the frictional force generated by pressing the front end surface 30 of the sliding portion against the rear end surface 201 of the guide portion with respect to the base portion 2. Various modes are conceivable, such as using a gear or a wire whose shape can be fixed to support the position in a stepwise or stepless manner.

DESCRIPTION OF SYMBOLS 1 Head mounting | wearing display apparatus 2 Base part 3 Movable part 3a Sliding part 3e Operation part 4 Display part 20 Rim member 20a Guide part 20b Intelligent part 30 Front surface of a sliding part 31 Back surface 200 of a rod-shaped member Upper end part 201 Rear surface O of a guide part Rotation center K Rotation part S User S3 Eyeball X Gap

Claims (4)

A display device used by being worn on the user's head,
The display device includes a base portion mounted on a user's head and a movable portion having a display portion, and the movable portion is pivotally supported with respect to the base portion with the rotation portion serving as a fulcrum. The head-mounted display device is characterized in that the rotating part is disposed at the center of the eyeball of the user in a side view.   The said base part has the circular arc-shaped guide part centering on the said rotation part in side view, The said movable part rocks | fluctuates with respect to the said guide part. Head-mounted display device.   The swinging part is disposed behind the guide part, and a dimension between the front surface of the swinging part and the rotating part is a dimension between the rear surface of the guide part and the rotating part. The head-mounted display device according to claim 2, wherein the head-mounted display device is set longer.   The said base part is mounted | worn with a user's head by the nose pad part provided in the said user's face side, and the ear pad part provided in the both sides. 4. The head-mounted display device according to any one of 3.

Images