JPH05268547A - Video display device - Google Patents

Abstract

PURPOSE:To observe a magnified video image with a couple of eyepiece lenses and to observe clearly a surrounding state when an eyeglass is taken off and an eyeglass type video display device is worn on one's face. CONSTITUTION:A couple of holes 16, 16 are formed to both left and right sides of an upper face of a front frame 11 of a device main body 10 being an eyeglass section. A couple of lens frames 17, 17 with an eyeglass lens fitted to them almost in parallel with a half mirror arranged to a front face of the front frame 11 are removably fitted to a couple of the holes 16, 16. Thus, a couple of video images of a liquid crystal display panel is observed with magnification through a couple of eyepiece lenses 36, 36 and an external state is clearly observed through a couple of the eyeglass lenses through a couple of transparent parts 14, 14 of a rear panel 13.

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 capable of enlarging and viewing an image such as a video image using an LCD (liquid crystal panel).

[0002]

2. Description of the Related Art For example, the applicant has disclosed Japanese Patent Application No. 3-239120, which is an eyeglass-type image display device capable of viewing video images using an LCD. This eyeglass-type image display device is provided with a backlight and a visual device composed of a liquid crystal panel or the like illuminated by the backlight in the main body of the device. The created video image is enlarged by a pair of eyepieces and projected on the retina of the eyeball. A pair of handles is foldably attached to both sides of the back of the device body, and the device body is attached to the face through the pair of handles so that the enlarged video image can be viewed. .. Headphones are attached to the pair of handles via a cord, and the audio of the image can be heard by inserting the pair of headphones into the ear. Further, the front surface of the apparatus main body is composed of a half mirror or the like, so that the appearance of the outside can be seen while the apparatus main body is mounted on the face.

[0003]

However, in the above-mentioned conventional eyeglass-type image display device to be worn on the face, when the person wearing glasses for nearsightedness, farsightedness or the like uses the glasses, the glasses are usually removed. Since the image display device is attached to the face, there is a problem that the external appearance cannot be clearly seen.

Further, when the image display device is worn on the face, a pair of handles must be hung on both the left and right outer ears respectively. Therefore, if the image display device is worn for a long time, the outer ear becomes painful and the wearer wears it for a long time. It could not be used.

Therefore, the present invention provides a video display device capable of solving the above-mentioned conventional problems.

[0006]

The images of a pair of image display means provided in the device body are enlarged by a pair of eyepieces and projected on the retinas of the left and right eyeballs. In an image display device that allows the appearance of the outside to be seen when it is attached to the face, a pair of spectacle lenses is detachably housed in the device body.

According to a second aspect of the present invention, each image of a pair of image display means provided in the main body of the apparatus is enlarged by a pair of eyepieces and projected on the retinas of the left and right eyeballs. In an image display device in which a pair of headphones are attached to the left and right ears so that the sound of the image can be heard, a pair of patterns for attaching the device body to the face is provided on both sides of the device body, and the left and right sides of the pair of patterns are provided. Each of the pair of bent portions is provided with the above-mentioned headphone.

[0008]

When a person wearing spectacles removes the spectacles and wears the apparatus main body on the face to see the appearance of the outside, the external appearance can be clearly seen through the spectacle lens in the apparatus main body.

According to the second aspect of the invention, when the headphones are inserted into the ear hole, the device body is mounted between the face and the ear hole. The pair of handles does not need to be placed on the outer ear, so the outer ear does not hurt even when worn for a long time.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The first and second embodiments of the present invention will be described in detail below with reference to the drawings.

1 to 3 and 8, reference numeral 1 denotes a spectacle-type image display device of the first embodiment, which is a substantially casing type which is positioned in front of the face when worn and serves as a spectacle portion (front frame). The apparatus main body 10, a pair of handles 20 and 20 foldably attached to both sides of the back surface of the apparatus main body 10, and a visual device 30 housed in the apparatus main body 10 are generally configured.

The apparatus main body 10 has a front frame 11 having a half mirror (or colored glass may be used) 12 as a translucent member for hitting a lens of sunglasses on the front side.
An opaque back panel 13 made of a synthetic resin plate having a pair of transparent portions 14 on the left and right, and an inverted V-shaped nose pad 15a in the center, and the back panel 13 behind the nose pad 15a. It is a hollow casing type with the bottom panel 15 having an oblique rear rising portion 15b fitted in the cutout portion 13a. Then, the pair of left and right transparent portions 1 of the back panel 13
It is possible to see the outside through the mirrors 4 and 14 and the half mirror 12 of the front frame 11.

A pair of rectangular holes 16, 16 are formed on both sides of the front edge of the upper surface of the front frame 11. Each hole 16
The upper portion of each of the holes 16 is formed in the recess 16a.
A pair of reverse convex groove-shaped guide grooves 16b, 16b are formed on both sides of the. Then, a pair of lens frames 17, 17 having a substantially rectangular tube shape, into which eyeglass lenses 18 for nearsightedness or farsightedness are fitted, are detachably fitted into the pair of holes 16, 16. The upper portion 17a of each lens frame 17 has the above-mentioned hole 16
The protrusions 17b, 17b on both sides thereof are adapted to be smoothly fitted into the pair of guide grooves 16b, 16b of the respective hole portions 16 so as to be fitted into the concave portions 16a of the above. ..

Hinge portions 21 and 2 are provided at the base end sides of the pair of handles 20 and 20 at the center of both rear edges of the front frame 11 of the apparatus body 10.
It is attached so as to be foldable through 1. The tips of the pair of handles 20, 20 are curved downward so that they can be easily worn on the outer ear of the user. Also, this pair of handles 20, 2
Inner-ear type headphones 22 and 22 are attached via cords 23 at positions facing the outer ear of No. 0. Further, operation buttons 24, 25, and 26, which are used, for example, for adjusting the sound volume and the brightness of the image, are rotatably attached to the outside of the one (right) handle 20. The headphones 22 and the operation buttons 24 to 26 are connected to the visual device 30 by a connector 27 or the like.

The visual device 30 includes an inverted V-shaped reflecting mirror 31 attached to the inverted V-shaped nose pad portion 15a at the center of the bottom panel 15, and a backlight 32 attached above the reflecting mirror 31. , A pair of transmissive liquid crystal panels (image display means) 33, 33 attached to the pair of middle upright portions 15d, 15d which are vertically erected in a plane C shape on the bottom panel 15 so as to straddle the reflecting mirror 31. , A pair of convex condensing lenses 34, 34 fitted in the central holes of the pair of middle standing portions 15d, 15d, and a pair standing vertically along the arcuate front edge of the bottom panel 15. Front standing part 15e of
15e attached to the pair of reflecting mirrors 35, 35 and a pair of screw hole portions 15c, 15c formed on both sides of the rear rising portion 15b of the bottom panel 15 so as to be movable in the front-rear direction via the lens holders 37. A pair of left and right eyepieces 36, 3 that are screwed together and that expand the image from each liquid crystal panel 33 side
6 is arranged so as to cover above the bottom panel 15,
The power supply circuit, the liquid crystal drive circuit, the headphone drive circuit, and the like, and an electric board 38 are included.

The above lens holders 37 are attached to the bottom panel 1.
5, the eyepieces 36 can be adjusted in diopter by rotating in a screwed state with respect to the screw holes 15c of the rear rising portion 15b. A pair of liquid crystal panels 33, 33 and a backlight 32 are connected to the electric board 38. Further, a connection cord 39 having a plug 39a for connecting to a portable video player or the like is connected to the electric board 38. Further, the backlight 32 is
As shown in FIG. 4, it is composed of a fluorescent tube 32a and a curved surface mirror 32b having a semi-cylindrical shape, and is adapted to emit parallel light downward.

As described above, the eyeglass-type image display device 1 according to the first embodiment.
According to this, as shown in FIG. 8, when the video display device 1 is mounted on the face and the pair of eyepieces 36, 36 is looked into, the video projected on the pair of liquid crystal panels 33, 33 by a portable video player or the like. Is illuminated by the backlight 32,
From the pair of condenser lenses 34, 34 to the pair of reflecting mirrors 35, 3
5 and a pair of eyepieces 36, 36, and left and right eyeballs A,
It is projected on each retina a of A. Thereby, as shown in FIG. 8, the enlarged virtual image (video) can be seen.

When a person wearing myopia or hyperopia spectacles removes the spectacles and wears the image display device 1 on the face to see the outside, as shown in FIG. Of the eyeglass lenses 18, 18 and the front frame 11 housed in the apparatus main body 10 by moving the eyepiece lenses 36, 36 of the rear panel 13 to the pair of left and right transparent portions 14, 14.
It is possible to see the outside through the half mirror 12 of. In this way, the pair of eyepieces 36,
The image of the pair of liquid crystal panels 33, 33 can be seen through 36, and the pair of transparent portions 14, 14 of the back panel 13 can be seen.
You can see the surroundings clearly if you look into.

9 to 12 show an eyeglass-type image display device 1'according to the second embodiment. Although not shown, the same visual device as in the first embodiment is housed in the main body 10 of the image display device 1 '. In addition, the front frame 1 of the device body 10
A pair of left and right handles 40, 40 is foldably attached to both sides of the shaft 1 via hinges (not shown). Each handle 40 is expandable and contractable to a first handle 41 made of synthetic resin that is foldably attached to the front frame 11 and a rectangular tubular portion 42 integrally formed on the outer surface of the first handle 41. And a second handle 45 fitted to. This each first handle 4
A plurality of round holes 43 are formed on the outer surface of the first tubular portion 42, respectively. A pair of protrusions 46, 46 integrally formed on the outer surface of the second handle 45 are engaged in the respective round holes 43 so that the pair of protrusions 40, 40 can be varied in length to a predetermined length. There is. Further, the base side of each of the second handles 45 is formed in a quadratic prism shape that fits into the tubular portion 42 of each of the first handles 41, and the tip side thereof is bent inwardly in an L-shape to form a bent portion 47. It has become. Each bent portion 47
Is integrally provided with a headphone 22 so that the headphone 22 faces the front side (this constitutes a so-called Luigi-Corrani type headphone). Since the other structure is the same as that of the first embodiment, the same reference numerals are given and detailed description thereof will be omitted.

According to the image display device 1'of the second embodiment, as shown in FIG. 12, when the image display device 1'is mounted on the face, the bent portions of the pair of handles 40, 40 are bent. 47
Headphones 22 attached to each are inserted into the ear holes, and the pair of handles 40, 40 are attached so as to sandwich both sides of the face. As a result, the device body 10 is firmly attached and fixed between the face and the left and right ear holes.
As in the case of the embodiment, the image display mounting 1'can be mounted on the face without sandwiching the pair of handles 40, 40 on the left and right outer ears and both sides of the face, and the outer ear can be worn even if worn for a long time. It does not hurt and can be worn and used for a relatively long time.

Further, since the pair of handles 40, 40 is expanded and contracted so that the length thereof can be freely adjusted, it is extremely easy to adjust the headphones 22 to the ears, and the image display device 1'can be used for all user's faces. Can be fitted securely and securely. As a result, the left and right headphones 2
2 can be easily fitted to the left and right ears, and the left and right eyes can be easily fitted to the positions of the pair of eyepieces 36, 36, so that a clear enlarged image can be seen.
Further, the bent portions 47 of the pair of handles 40, 40 are bent inward in a substantially L-shape, and the headphones 22 are integrally attached to the bent portions 47 so as to face the front side. With these headphones 22, it is possible to directly and efficiently send the sound to the ear canal and listen to a good sound.

Although the liquid crystal panel is used as the image display means in each of the above embodiments, it is needless to say that the invention is not limited to the optical system using this liquid crystal panel.

[0023]

As described above, according to the present invention, each image of the pair of image display means provided in the main body of the apparatus is enlarged by the pair of eyepieces and projected on the retinas of the left and right eyeballs. In addition, in the image display device that allows the appearance of the outside to be seen when the device body is attached to the face, a pair of eyeglass lenses is detachably housed in the device body, so that the person wearing the glasses wears glasses. When the device main body is attached to the face with the eyeglasses removed, the external appearance can be clearly seen through the pair of spectacle lenses in the device main body.

According to the second aspect of the invention, each image of the pair of image display means provided in the apparatus main body is enlarged by the pair of eyepieces and projected on the retinas of the left and right eyeballs. In a video display device in which a pair of headphones are attached to the left and right ears so that the sound of the video can be heard, a pair of patterns for mounting the device body on the face is provided on both sides of the device body. Since a bent portion that is bent into a substantially L shape inside is provided at a position facing the left and right ears, and each of the headphones is provided at the pair of bent portions, the pair of headphones is provided in the holes of the left and right ears. The device body can be securely attached and fixed between the face and the ear hole by simply inserting the device into the hole. As a result, it is not necessary to put a pair of handles on the outer ear, and the outer ear does not hurt when worn and used for a long time.

[Brief description of drawings]

FIG. 1 is a perspective view of an image display device according to a first embodiment of the present invention viewed from the front side.

FIG. 2 is a perspective view of the image display device according to the first embodiment viewed from the back side.

FIG. 3 is an exploded perspective view of the image display device according to the first embodiment.

FIG. 4 is an exploded perspective view of a visual device of the image display device according to the first embodiment.

FIG. 5 is a perspective view of a main part of the image display device according to the first embodiment.

FIG. 6 is a plan view of the main part.

FIG. 7 is a sectional view of the main part.

FIG. 8 is a perspective view showing a usage state of the image display device of the first embodiment.

FIG. 9 is a perspective view of an image display device according to a second embodiment of the present invention viewed from the front side.

FIG. 10 is a perspective view of the image display device according to the second embodiment as viewed from the back side.

FIG. 11 is a perspective view of a main part of the image display device according to the second embodiment.

FIG. 12 is a perspective view showing a use state of the video display device according to the second embodiment.

[Explanation of symbols]

 1, 1 '... Image display device 10 ... Device body 18 ... Eyeglass lens 22 ... Headphones 33 ... Liquid crystal panel (image display means) 36 ... Eyepiece 40 ... Handle 47 ... Bent portion A ... Eyeball a ... Retina

Claims (2)

[Claims] 1. An image of a pair of image display means provided in the apparatus main body is enlarged by a pair of eyepieces to be projected on the retinas of the left and right eyeballs, and the apparatus main body is mounted on the face. An image display device that allows the appearance of the outside to be seen at times, characterized in that a pair of eyeglass lenses is detachably accommodated in the device body. 2. An image of each of a pair of image display means provided in the main body of the apparatus is enlarged by a pair of eyepieces and projected on the retinas of the left and right eyeballs, and a pair of headphones is provided on the left and right ears. In a video display device which is attached so that the sound of the video can be heard, a pair of handles for attaching the device body to the face is provided on both sides of the device body, and the inside of the pair of handles is opposed to the left and right ears. An image display device, characterized in that a bent portion that is bent into a substantially L-shape is provided in each of the above, and the above headphones are provided in the pair of bent portions.