JP2001324694A - Electronic spectacles - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide electronic spectacles which have display means for displaying optical images at temples and surely make the optical images from the display means arranged at the temples incident on the pupils. SOLUTION: These spectacles have the temples which have the display means for generating the optical images, eyepiece mirrors which reflect the optical images from the temples toward the pupils and spectacle lenses which are arranged with moving members for moving the eyepieces mirrors.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to electronic glasses provided with a display means for displaying an optical image on a temple.

[0002]

2. Description of the Related Art Conventionally, as electronic glasses having a display means for displaying an optical image on a temple, for example, US Pat.
The one disclosed in Japanese Patent Publication No. 822 is known. FIG.
1 shows the electronic glasses disclosed in this publication, in which a liquid crystal display element 2, a projection lens 3, and a temple mirror 4 are arranged on a temple 1.

Further, a pair of spectacle lenses 5 includes a bridge 6
And is supported by a nose 8 via a butterfly foot 7. An eyepiece mirror 10 that reflects the optical image from the temple mirror 4 toward the pupil 9a of the eyeball 9 is disposed on the eyeglass lens 5.

[0004] The temple mirror 4 is connected to the temple 1.
, And the eyepiece mirror 10 is fixed to the spectacle lens 5. In such electronic glasses, an optical image from the liquid crystal display element 2 is transmitted through the projection lens 3 to the temple mirror 4.
And the optical image reflected by the temple mirror 4 is
The light is reflected by the eyepiece mirror 10 and enters the pupil 9 a of the eyeball 9.

[0005]

However, in such conventional electronic glasses, the position of the eyeball 9 with respect to the nose 8 and
Alternatively, there is a problem that the optical image reflected by the eyepiece mirror 10 may not be incident on the pupil 9a of the eyeball 9 because the distance between the pupils, which is the distance between the two eyeballs 9, differs depending on the individual.

That is, in the conventional electronic glasses, since the temple mirror 4 is fixed to the temple 1 and the eyepiece mirror 10 is fixed to the eyeglass lens 5, the optical path of the optical image is fixed. Therefore, depending on the individual, the liquid crystal display element 2
Does not enter the pupil 9a, and the optical image cannot be seen.

The present invention has been made to solve such a conventional problem, and an object of the present invention is to provide electronic glasses capable of reliably causing an optical image from display means arranged on a temple to enter a pupil. And

[0008]

The electronic glasses according to claim 1 are
A temple provided with display means for generating an optical image, and a spectacle lens in which an eyepiece mirror for reflecting the optical image from the temple toward a pupil and a moving member for moving the eyepiece mirror are arranged. I do.

According to a second aspect of the present invention, there is provided the electronic glasses according to the first aspect, further comprising a bridge having an adjustment space in which a part of the moving member is movably accommodated. The electronic glasses according to claim 3 are the electronic glasses according to claim 2, wherein the adjustment space has a guide surface in a direction substantially parallel to a horizontal axis direction of the eyeball, and the moving member extends along the guide surface. And moving the eyepiece mirror in the direction of the guide surface.

According to a fourth aspect of the present invention, in the electronic glasses according to any one of the first to third aspects, the temple on the display means side is provided between the display means and the ear point of the temple. Is characterized in that a vertical axis position adjusting means capable of moving the vertical axis of the eyeball is arranged.

(Function) In the electronic glasses according to the first aspect, when the eyepiece mirror is moved via the moving member, the optical path of the optical image from the temple reflected by the eyepiece mirror is changed.

The eyepiece mirror is located at a position where the optical image from the temple is easy to see. In the electronic glasses according to the second aspect, an adjustment space is formed in the bridge, and a part of the moving member is movably accommodated in the adjustment space. In the electronic glasses according to the third aspect, when the moving member is moved along the guide surface of the adjustment space, the eyepiece mirror is moved in a direction substantially parallel to the horizontal axis direction of the eyeball (the direction connecting the left and right eyeballs).

In the electronic spectacles according to the fourth aspect, by adjusting the vertical axis position adjusting means disposed between the temple display means and the ear point, the temple display means side and the spectacle lens are moved in the vertical axis direction (as described above). Direction perpendicular to the horizontal axis direction)
Is adjusted in the vertical axis direction with respect to the pupil of the optical image reflected from the eyepiece mirror.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings.

FIG. 1 shows an embodiment of the electronic glasses of the present invention. In this electronic spectacles, the outside of the spectacle lens 13 is fixed to the tip of the temple 11, and a pair of spectacle lenses 1
The inside of 3 is connected by a bridge 15. The pair of spectacle lenses 13 is provided with butterfly feet 19 for supporting the spectacles on the nose 17.

The butterfly lens 19 causes the eyeglass lens 1 to move.
The distance between the eyeball 3 and the eyeball 21 can be adjusted. Temple 11
A space portion 11a is formed at the tip end of the space portion 1a.
In 1a, a display means 23, a projection lens 25 and a temple mirror 27 are arranged. The display means 23 is composed of a liquid crystal display element and generates an optical image such as a game, 3D video, various information, and the like.

The projection lens 25 projects the optical image from the display means 23 onto the temple mirror 27. The temple mirror 27 converts the optical image from the projection lens 25 into the spectacle lens 1.
The light is reflected toward the third side. The temple mirror 27 is formed of aluminum or by evaporating silver or the like on glass.

The temple 11 is made of resin, copper alloy, titanium,
It is formed of a nickel chromium alloy or the like. The spectacle lens 13 is formed of polythiourethane-based, acrylic-based, allyl-based resin, or glass. The bridge 15 is made of a resin, a copper alloy, titanium, a nickel chromium alloy, or the like.

On the bridge 15 side of the spectacle lens 13, a mirror space 13a is formed. This mirror space 13
a is located closer to the bridge 15 than the straight line IL that passes through the left eyeball 21 and extends in the direction in which the face is turned. In the mirror space 13a, the optical image from the temple mirror 27 is
An eyepiece mirror 29 reflecting toward a is disposed.

The eyepiece mirror 29 is formed of aluminum or glass by depositing silver or the like. The distal end of the main body 31a of the moving member 31 that moves the eyepiece mirror 29 is connected to the eyepiece mirror 29. The bridge 15 has an adjustment space 15a in which a part of the main body 31a is movably accommodated.

The adjustment space 15a is connected to the mirror space 13a via a connection space 13b. Adjustment space 1
On 5a, a guide surface 15b is formed in a direction substantially parallel to the horizontal axis direction of the eyeball 21 (the direction connecting the left and right eyeballs 21). And the main-body part 31a is movable along the guide surface 15b.

An operation section 31b is formed on the main body section 31a in a direction to face the front of the face when the electronic glasses are worn. The operation section 31b projects forward, for example, by about 2 mm from the adjustment space 15a. And the operation unit 31
b is moved in the horizontal axis direction of the eyeball 21 by a finger, and the eyepiece mirror 29 is moved through the guide surface 1 through the main body 31a.
It is moved in the direction of 5b.

In this embodiment, a vertical axis position adjusting means 33 is arranged between the display means 23 of the temple 11 and the ear point 11b. That is, the temple 11 is positioned between the display means 23 and the ear point 11b.
And a rear temple 11d.

The front temple 11c and the rear temple 11d are connected via a hinge 35. The hinge 35 connects the front temple 11 c to the rear temple 11.
With respect to d, the eyeball 21 can be bent in the vertical axis direction (the direction perpendicular to the horizontal axis direction described above). In the electronic glasses described above, the optical image from the display means 23 is projected on the temple mirror 27 through the optical path LM where the projection lens 25 and the temple mirror 27 are arranged.

The optical image reflected by the temple mirror 27 reaches the eyepiece mirror 29 through an optical path MM parallel to the horizontal axis of the eyeball 21. Then, the optical image reflected by the eyepiece mirror 29 enters the pupil 21a through the optical path MI. In the electronic glasses described above, the adjustment for the interpupillary distance that differs for each individual is performed as described below.

That is, for example, as shown in FIG. 2, when the pupil 21a of the left eyeball 21 is located at the position indicated by the broken line, the operating unit 31b of the moving member 31 indicated by the solid line is moved by the finger to the position indicated by the broken line. And the eyepiece mirror 29 is moved to the position shown by the broken line. As a result, the optical image from the temple mirror 27 passes through the optical path MM and passes through the eyepiece mirror 29.
And is incident on a pupil 21a indicated by a broken line through an optical path MI1.

On the other hand, when the pupil 21a is at the position indicated by the solid line, the operation unit 31b indicated by the broken line is moved by the finger to the position indicated by the solid line, and the eyepiece mirror 29 is moved to the position indicated by the solid line. As a result, the optical image from the temple mirror 27 passes through the optical path MM, is reflected by the eyepiece mirror 29, and enters the pupil 21a indicated by a solid line through the optical path MI2.

In the electronic glasses described above, when the eyepiece mirror 29 is moved via the moving member 31, the optical path of the optical image from the temple 11 reflected by the eyepiece mirror 29 moves substantially parallel to the horizontal axis direction. The optical image from the display means 23 disposed on the pupil 11 can be surely incident on the pupil 21a. In the electronic glasses described above, since the adjustment space 15a in which a part of the moving member 31 is movably accommodated is formed in the bridge 15, the moving member 31 is moved to the pupil 21a.
Can be placed in a position that does not interfere with the field of view of the user.

Further, in the electronic glasses described above, the eyepiece mirror 29 is moved in a direction substantially parallel to the horizontal axis direction of the eyeball 21 by moving the moving member 31 substantially parallel to the guide surface 15b of the adjustment space 15a. It can be moved easily and reliably. In the electronic glasses described above, since the vertical axis position adjusting means 33 is disposed between the display means 23 of the temple 11 and the ear point 11b, the vertical axis direction of the optical image reflected from the eyepiece mirror 29 with respect to the pupil 21a. Can be easily and reliably adjusted.

In the above-described embodiment, an example has been described in which the mirror space 13a and the adjustment space 15a are made hollow, but the present invention is not limited to such an embodiment, and the mirror space 13a and the adjustment space 15a are not limited to this embodiment.
May be filled with a gel-like transparent substance, for example. In this case, it is possible to reliably prevent dust and the like from entering the adjustment space 15a.

In the above-described embodiment, the moving member 3
Although an example in which one operation unit 31b can be stopped at an arbitrary position has been described, the present invention is not limited to this embodiment, and may be configured to be able to be stopped at a plurality of positions by a click mechanism or the like. good. Further, in the embodiment described above, the eyepiece mirror 2 is provided on the bridge 15 side of the spectacle lens 13.
9 has been described, but the present invention is not limited to such an embodiment, and the pupil 2 of the left eyeball 21 is
The eyepiece mirror 29 may be arranged directly in front of 1a.

In this case, an optical image can be viewed while looking at the front. Further, in the above-described embodiment, an example in which the present invention is applied to the left temple 11 and the left eyeglass lens 13 of the electronic glasses has been described. However, the present invention is not limited to such an embodiment, and the right temple. 11 and the spectacle lens 13 on the right side.

The display means 2 is provided on the left and right temples 11.
By arranging 3, 3D images can be easily viewed. Further, in the above-described embodiment, the example in which the front and rear temples 11c and 11d are configured to be bent by the hinge 35 and the vertical axis position adjusting means 33 is configured, but the present invention is limited to such an embodiment. For example, the front and rear temples 11c, 11
d may be configured to be movable in the up and down direction to form the vertical axis position adjusting means.

Further, in the above-described embodiment, an example in which the vertical axis position adjusting means 33 is disposed on the temple 11 has been described. However, the present invention is not limited to this embodiment. A shaft position adjusting means may be provided. Further, in the above-described embodiment, an example in which a liquid crystal display element is used for the display unit 23 has been described. However, the present invention is not limited to this embodiment, and for example, an optical fiber may be used.

Further, in the above-described embodiment, an example was described in which the optical image from the display means 23 was emitted to the spectacle lens 13 via the projection lens 25 and the temple mirror 27, but the present invention is limited to this embodiment. Instead, for example, an optical image from the display means 23 may be directly emitted to the spectacle lens 13 side.

[0036]

As described above, in the electronic eyeglasses according to the first aspect, when the eyepiece mirror is moved via the moving member, the optical path of the optical image from the temple reflected by the eyepiece mirror is substantially parallel to the horizontal axis direction. Therefore, the optical image from the display means arranged on the temple can be reliably incident on the pupil.

In the electronic glasses according to the second aspect, since the adjustment space in which a part of the moving member is movably accommodated is formed in the bridge, the moving member may be arranged at a position where the pupil does not obstruct the view seen by the pupil. it can. In the electronic glasses according to the third aspect, by moving the moving member along the guide surface of the adjustment space, the eyepiece mirror can be easily and reliably moved in a direction substantially parallel to the horizontal axis direction of the eyeball.

In the electronic glasses according to the fourth aspect, since the vertical axis position adjusting means is disposed between the temple display means and the ear point, the vertical axis direction adjustment with respect to the pupil of the optical image reflected from the eyepiece mirror can be performed. It can be done easily and reliably.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing an embodiment of electronic glasses of the present invention.

FIG. 2 is an explanatory view showing a method of adjusting the electronic glasses of FIG. 1;

FIG. 3 is an explanatory diagram showing conventional electronic glasses.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Temple 11b Ear point 13 Eyeglass lens 13a Mirror space 15 Bridge 15a Adjustment space 15b Guide surface 21a Pupil 23 Display means 29 Eyepiece mirror 31 Moving member 33 Vertical axis position adjusting means

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04N 5/64 511 H04N 5/64 511Z

Claims (4)

[Claims] A temple provided with display means for generating an optical image; an eyepiece mirror for reflecting an optical image from the temple toward a pupil; and a spectacle lens provided with a moving member for moving the eyepiece mirror; Electronic glasses comprising: 2. The electronic glasses according to claim 1, further comprising a bridge having an adjustment space in which a part of the moving member is movably accommodated. 3. The adjustment space has a guide surface in a direction substantially parallel to the horizontal axis direction of the eyeball, and the moving member moves along the guide surface to move the eyepiece mirror in the direction of the guide surface. The electronic glasses according to claim 2, wherein the electronic glasses move. 4. A vertical axis position adjusting means capable of moving the temple on the display means side in the vertical axis direction of the eyeball is arranged between the display means of the temple and an ear point. The electronic glasses according to claim 1.