WO2008084751A1 - ヘッドマウントディスプレイ - Google Patents
ヘッドマウントディスプレイ Download PDFInfo
- Publication number
- WO2008084751A1 WO2008084751A1 PCT/JP2007/075373 JP2007075373W WO2008084751A1 WO 2008084751 A1 WO2008084751 A1 WO 2008084751A1 JP 2007075373 W JP2007075373 W JP 2007075373W WO 2008084751 A1 WO2008084751 A1 WO 2008084751A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- head
- display
- mounting member
- mounted display
- user
- Prior art date
Links
- 239000011521 glass Substances 0.000 claims description 75
- 210000003128 head Anatomy 0.000 claims description 70
- 230000007246 mechanism Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 208000013057 hereditary mucoepithelial dysplasia Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000004304 visual acuity Effects 0.000 description 2
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
- G02B17/0856—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors
- G02B17/086—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors wherein the system is made of a single block of optical material, e.g. solid catadioptric systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0132—Head-up displays characterised by optical features comprising binocular systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0149—Head-up displays characterised by mechanical features
- G02B2027/0154—Head-up displays characterised by mechanical features with movable elements
- G02B2027/0158—Head-up displays characterised by mechanical features with movable elements with adjustable nose pad
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B2027/0178—Eyeglass type
Definitions
- the present invention relates to a head-mounted display that is used while being worn on a user's head.
- Head mounted displays that are worn on the body such as the head and display images in front of the user's eyes are used in various fields for displaying images, including virtual reality.
- a head-mounted display is generally formed in a gorgeous shape or a frame shape of large glasses.
- the head mounted display (hereinafter referred to as “mounting type HMD (Head Mount Display)”) is a type that can be attached to and detached from the frame-shaped mounting member of the spectacles and is attached to the mounting member. There is also.
- the wearing member is a commercially available eyeglass.
- HMDs There are two types of HMDs: one that is attached to the outside of the mounting member (the part farther from the user's head than the frame of the mounting member, for example, the front side of the eyeglass lens), It may be of a type that is attached to a part closer to the user's head than the user's head, for example, the space between the eye lens and the user's eye.
- the type of HMD that is attached to the outside of the attachment member is easy to attach to the attachment member because there is a large space outside the attachment member, but for example, the HMD is located in front of the spectacle lens, Inferior in design or fashion.
- the HMD of the type that is attached to the inside of the mounting member is excellent in design and fashion, but due to space problems, it is necessary to devise how to attach it to the mounting member.
- the biggest problem is that it is difficult to reduce the size of the HMD.
- a type of HMD that is attached to the inside of spectacles has been proposed, and several such HMDs have been disclosed in, for example, patent literature. I am not satisfied with the situation.
- the size of the HMD is reduced so that the thickness in the front-rear direction (the same as the front-rear direction of the user's face when the HMD is attached to the user's head; the same applies in this application) It is difficult.
- the wearing member such as eyeglasses will be slightly away from the user's face (several mm to several cmg ⁇ ).
- the mounting member often has a nose pad similar to that of normal glasses to fix it to the user's head, but when the mounting member moves away from the user's face, the nose pad This is because it becomes useless and it is difficult to fix the mounting member on the user's head.
- Patent Document 1 Japanese Patent Laid-Open No. 2 0 0 1 _ 1 3 3 7 2 4
- the present invention solves such a problem, and provides a technique for enabling the use of a nose pad even when a head-mounted display is attached to the inside of a mounting member such as a B-mirror. Let that be I ⁇ . Disclosure of the invention
- the present inventor proposes the following head mount display.
- It comprises display means for displaying an image, and light guide means for enlarging the image displayed by the display means at a predetermined magnification and guiding it to the user's eyes, and is used in the shape of glasses.
- It is a head-mounted display that is used by being attached to a mounting member mounted on a person's head so as to be positioned inside the mounting member. And this head mount display is provided with the nose pad which contact
- providing a nose pad on the head mounted display is also useful for a mounting type (or retrofitting type) head mounted display, but the head mounted display is not detachable from the mounting member. It is also useful in products of the type that are fixedly attached to the mounting member. For example, by frosting multiple types of spectacle-like mounting members and fixing a head-mounted display with a nose pad to each of the mounting members, the mounting member can be designed easily. It becomes like this.
- the head mounted display may be configured so that the attachment to the mounting member can be performed independently, or can be performed fixedly.
- the head mounted display can be detachably attached to the mounting member. In this case, if the head mounted display is removed from the mounting member, the mounting pad cannot use the nose pad provided in the head mounted display.
- the reason why the head mount display can be freely attached to and detached from the mounting member is mainly because there is a demand to use the mounting member not only in combination with the head mount display but also as a single unit. If the nose pad provided on the head-mounted display cannot be used when the mounting member is used alone, some arrangement is required.
- the north and pad included in the head-mounted display can be attached to and detached from the head-mounted display, and can be attached to the mounting member with the head-mounted display removed. can do.
- the nose pad provided on the head mounted display can be attached to the mounting member by removing the nose pad provided on the head mounted display from the head mounted display. To be used when removed from the member is doing.
- a nose pad different from the head mount display that can be attached to the mounting member is prepared. It can be considered. In this case, the nose pad provided in the head mounted display does not need to be detachable from the head mounted display.
- the nose pad provided on the mounting member may need to be designed so that it does not interfere with the head mounted display when the head mounted display is attached to the mounting member.
- the mounting member and the head mounted display are regarded as separate objects, but they can also be regarded as a combination.
- a combination of a mounting member and a head mounted display is regarded as a head mounted display system.
- the head-mounted display system of the present invention has a B-mirror-shaped mounting member mounted on the user's head, display means for displaying an image, and an image displayed by the display means.
- the head mount display in the head mount display system of the present application may be fixedly attached to the mounting member, but the tray can be detachably attached to the mounting member. Also good.
- the mounting member includes a temple, and the temple may be a straight temple.
- Mounting members configured like glasses often have the same temples as the B-mirror.
- the most common temple with glasses is its tip (model Dan) is bent downward when viewed from the side so that it can be easily locked to the ear, but there is a type of temple where Modern is hardly bent downward.
- Such a temple is called a straight temple.
- the temple of the mounting member is such a straight temple, there are the following advantages. That is, when the head mounted display is attached to the mounting member, the mounting member moves away from the face as described above, and when the head mounted display is removed from the mounting member, the mounting member approaches the face. When the mounting member moves in the front-rear direction, if the temple modern is bent, the temple modern will interfere with the user's ear. If the temple is a straight temple, such a situation can be avoided, so the user feels good.
- the nose pad included in the head mount display in the head mount display system of the present application is detachable from the head mount display, and iif is removed from the head mount display.
- the head-mounted display may be detachably attached to the self-mounting member with the head-mounted display removed.
- the mounting member in the head mounted display system of the present application is in contact with the user's nose when the head mounted display is mounted on the user's head in a state of being removed from the mounting member.
- a nose pad different from that provided in the head mounted display may be provided.
- the head mounted display of the present invention may be as follows.
- the display means and the light guide means may be connected so as to be arranged in the horizontal direction when viewed from the user when the user wears the mounting member. it can.
- the head mounted display in which the display means and the light guide means are arranged so as to be arranged in the horizontal direction when viewed from the user when in use.
- the head mounted display is arranged on the inner side of the mounting member, the inner side of the mounting member (the mounting member is In the case of spectacles, almost the entire eyeglass lens can be concealed behind the spectacle lens, so that the head mounted display can be substantially avoided from being seen from above and below the mounting member. This is advantageous for improving the design and fashionability of the head-mounted display.
- the head-mounted display is attached to the mounting member such that the display means is positioned in the middle in the lateral direction of the mounting member (for example, the intermediate position if the mounting member includes a spectacle lens).
- the display means is positioned between the user's eyes, and the display means is from the user's view. It will disappear completely (the user will not be able to clearly recognize the display means).
- the light guide means for example, a free-form surface prism that reflects an image (image light for displaying) a predetermined number of times inside thereof and guides it to the eyes of the user can be used. If a free-curved prism is used, the overall size of the head-mounted display can be easily reduced.
- the free-form surface prism has four surfaces, the first surface, the second surface, the third surface, and the fourth surface. The light from the display means passes through the first surface and the light that has passed through the first surface. The light reflected by the second surface, the light reflected by the second surface is reflected by the third surface, and the light reflected by the third surface is allowed to pass through the fourth surface.
- the image may be enlarged and the image displayed on the display means may be enlarged.
- the first to fourth surfaces in this are the non-continuous surfaces, but at least two of the first to fourth surfaces (for example, the second and fourth surfaces). May be a continuous, smoothly connected surface.
- the light guiding means is not limited to a free-form surface prism, but a function of changing the direction of image light for displaying an image (for example, this is achieved by a reflecting mirror) and a function of enlarging an image (for example, This can be achieved with a lens).
- the light guide means can also be configured by a combination of a plurality of optical elements.
- the head mounted display may have a moving mechanism for sliding the display means and the light guide means between the probe and the wisdom of the mounting member.
- the mobile mechanism can be configured to include, for example, a rack portion having one end connected to the display means, and a pinion portion that can be operated by the user.
- the rack part slides by the rotation of the pinion part, and the display means and the light guiding means slide.
- the head mounted display may further include an adjustment mechanism that enables the display means to move in the direction of the light guide means. In such a configuration, by optimizing the distance from the display means to the light guide means according to the diopter of the user, it becomes possible to give the user a diopter-corrected image.
- FIG. 1 is a diagram showing a state in which the head mount display of the present embodiment is attached to the glasses.
- FIG. 2 is an explanatory view of a method for attaching the head mounted display to the glasses.
- Fig. 3 is a top view of the case.
- FIG. 4 is a partial cross-sectional view showing the internal structure of the case.
- FIG. 5 is an operation explanatory diagram of the moving mechanism.
- FIG. 6 is a detailed configuration diagram of the adjustment mechanism.
- FIG. 7 is an explanatory diagram of the operation of the adjustment mechanism.
- FIG. 8 is an explanatory diagram of the light guide path in the free-form surface prism.
- FIG. 9 is a view of the head mounted display of the present embodiment as viewed from the rear.
- FIG. 10 a is a view of the eyeglasses with the head mount display of the present embodiment attached as viewed from the front.
- FIG. 1 Ob is a view of the eyeglasses with the head mounted display of the present embodiment attached as viewed from the front.
- FIG. 11 is a configuration diagram of a modified example of the free-form surface prism of the present invention.
- FIG. 12 is a configuration diagram of a modified example of the free-form curved prism of the present invention.
- the head-mounted display 1 in this embodiment is an attachment-type HMD that is used by attaching to the glasses 100 having the shape of a glasses frame as shown in FIG.
- the head mounted display 1 is attached to the back of the glasses 100.
- the head mounted display 1 is the user's face and glasses Located in the space between 1 0 0. For this reason, it is difficult for non-users to understand the presence of the head-mounted display 1.
- the spectacles 100 corresponds to the mounting member in the present application, and has the same configuration as normal spectacles in which the spectacle lens 1002 is fitted in the spectacle frame 1001.
- the B mirror lens 10 2 may or may not have a degree, and may be achromatic transparent or colored transparent.
- the eyeglass frame 1 0 1 includes left and right vines 1 0 3, left and right rims 1 0 4, and a bridge 1 0 5 connecting the left and right rims 1 0 4.
- the left and right vines 10 3 are hinged to the left and right rims 10 4, respectively, so that the vines 10 3 can be folded in a direction parallel to the rim 10 4.
- the force to lock the tips of the vines 10 3 to the user's both ears, or by holding the user's head between the two vines 10 3, the glasses 1 0 0 are attached to the user's head. Fixed.
- the head mount display 1 attached to the glasses 100 is positioned behind the glasses 100, and at this time, the glasses 100 move from the user's face to the front. Therefore, the length of the vine 1 0 3 is slightly longer than that of a normal spectacle frame so that the 1 0 3 can be put on the user's ear.
- the tip of the vine 103 is bent downward so that it can be easily locked to the user's ear, but the tip of the vine 103 is straight. Good.
- the vine 1 0 3 may be a straight balance. If the vine 10 3 is a straight template, the user's sense of the vine 10 3 can be kept constant regardless of the force with which the head mounted display 1 is attached to the glasses 1 100.
- An example of a vine 10 3 according to a modification of a straight template is shown as 1 0 3 S in FIG.
- the head-mounted display 1 is connected to a case 10 having a display inside, left and right free-form prisms 20 connected to the case 10 via a movable part 16, and a case 10.
- the case 10 is not necessarily limited thereto, but in this embodiment, the case 10 is attached to the bridge 10 5 of the glasses 10 0. Case 1 0 is attached to glasses 1 0 0 Sometimes it is located behind the glasses 100.
- the free-form surface prism 20 is connected to the case 10 so that it is aligned in the lateral direction of the case 10 when viewed from the user when the user wears the glasses 100.
- the north pad 30 is attached to the rear of the case 10.
- the nose pad 30 prevents the glasses 100 from slipping by contacting the user's nose when the user wears the glasses 10 with the head mount display 1 attached to the head.
- the image displayed on the display is magnified at a predetermined magnification by the free-form surface prism 20 and output backward from the free-form surface prism 20. The image output backward will enter the eye of the user wearing the glasses 100.
- the image is output from the area surrounded by the dotted line of the free-form surface prism 20 (see FIG. 9).
- the head mounted display 1 is attached to the glasses 100 as shown in FIG.
- a first attachment member 40 is formed on the bridge 10 05 of the glasses 100.
- the first mounting member 40 is constituted by a first shaft portion 40 a connected to the bridge 10 5 and a first ball portion 40 b provided at the tip of the first shaft portion 40 a.
- the first mounting member 40 may be formed integrally with the glasses 100.
- the first mounting member 40 is naturally a member different from the eyeglass 100.
- the first attachment member 40 is attached to the glasses 100 with an adhesive or the like.
- the case 1 0 of the head mounted display 1 has a first fitting hole 10 0 a formed on the surface facing the glasses 1 100 when attached to the glasses 1 0 0. Has been.
- the first ball portion 40 0b of the first attachment member 40 is fitted into the first fitting hole 10a.
- a second mounting member 50 having the same configuration and size as the first mounting member 40 is formed on the surface of the case 10 opposite to the surface on which the first fitting hole 10 a is provided.
- the second mounting member 50 includes a second shaft portion 50 a connected to the case 10 and a second ball portion 50 b provided at the front end of the second shaft portion 50 a.
- the second mounting member 50 may be formed integrally with the case 10, but it may be attached to the case 10 with an adhesive or the like.
- a second fitting hole 30 a is formed on the side of the nose pad 30 that is connected to the case 10.
- the second fitting hole 30 a is the same size as the first fitting hole 10 a.
- the first mounting member 40, the second mounting member 50, the first fitting hole 10a, and the second fitting hole 30a are formed in the same shape and size, respectively. Therefore, it is possible to fit the first pole part 40 b of the first mounting member 40 into the second fitting hole 30 a.
- the nose pad 30 can be directly attached to the glasses 100 except for the case 10, the movable portion 16, and the free-form curved prism 20.
- a combination of glasses 100 and nose pad 30 can be used in the same way as normal glasses.
- the head mounted display 1 will be described in detail.
- FIG. 3 is a view of the head mounted display 1 as viewed from the upper side in FIG.
- Case 10 is a substantially rectangular hollow.
- the case 10 is not necessarily so, but is made of resin in this embodiment.
- a diopter adjustment knob 12 for adjusting the diopter and a prism position adjustment knob 13 for adjusting the position of the free-form surface prism 20 are provided.
- the diopter adjustment knob 12 is operated to move the display inside the case 10 forward and backward in the optical axis direction of the image.
- two diopter adjustment knobs 12 are provided so that the diopters of the left and right eyes can be individually adjusted.
- the prism position adjustment knob 13 is operated to move the position of the free-form surface prism 20 relative to the case 10 within a predetermined range.
- a scale is provided in the vicinity of the prism position adjusting knob 13 so that the amount of movement of the free-form curved prism 20 relative to the amount of operation of the prism position adjusting knob 13 can be intuitively understood.
- FIG. 4 is a partial cross-sectional view of the case 10 as seen from above, showing the inside of the case 10.
- diopter adjustment knob 1 2 Inside the case 10 is a diopter adjustment knob 1 2, diopter adjustment plate 1 1, display Ray 1 4, control board 1 5, diopter adjustment knob 1 2, diopter adjustment plate 1 1, display 1 4 and control board 1 5, movable part connected to free curved prism 2 0 1 6 And a pinion part 17 are provided.
- the head-mounted display 1 is not necessarily for both eyes, but is for the right eye or left eye, which has only the right-eye or left-eye movable part 16 and the free-form surface prism 20. There may be. .
- the display 14 displays an image, and is not necessarily limited thereto.
- the display 14 is a rectangular liquid crystal display.
- the display 14 is such that the short side direction is the vertical direction when viewed from the user and is inclined with respect to the width direction of the eyeglass lens 10.
- the free curved prism 20 is attached to the movable portion 16 so that an image is incident on the surface of the free curved prism 20 at a predetermined angle.
- the control board 15 controls the image displayed on the display 14.
- the control board 15 sends data for displaying an image to the display 14 to display an appropriate image on the display 14.
- the control board 15 receives data about the image from the external device, not shown, and displays it on the display 14.
- the control board 15 receives data about an image from an external device (not shown) by wire or wirelessly.
- the external device for example, a hard disk player, a DVD player, a television broadcast tuner, a personal computer, a mobile phone, a game device for executing a computer game, an MP 3 player having an image processing function, or the like is used.
- a hard disk player for example, a hard disk player, a DVD player, a television broadcast tuner, a personal computer, a mobile phone, a game device for executing a computer game, an MP 3 player having an image processing function, or the like is used.
- a hard disk player for example, a hard disk player, a DVD player, a television broadcast tuner, a personal computer, a mobile phone, a game device for executing a computer game, an MP 3 player having an image processing function, or the like is used.
- a hard disk player for example, a hard disk player, a DVD player, a television broadcast tuner, a personal computer, a mobile phone, a game device for executing a computer game, an MP 3 player having an image processing function,
- the movable part 16 has a display 14 and a free-form surface prism 20 0 force in a state in which the image light from the image displayed on the display 14 is incident on one surface of the free-form surface prism 20 at a certain angle. Installed.
- a rack portion 16 a is formed on the movable portion 16 so as to come into contact with the pinion portion 17.
- Each rack portion 16 a has teeth formed on the surface facing the pi-on portion 17. ing.
- the pinion part 17 is connected to the prism position adjusting knob 13 so that when the prism position adjusting knob 13 is rotated, the pinion part 17 is rotated accordingly.
- the pieon part 17 has a cylindrical shape, and teeth parallel to the axial direction of the cylinder are formed on the side surface.
- the teeth of the pinion part 17 and the teeth of the rack part 16a are designed to squeeze together.
- the rack portion 16 a moves along the length direction of the rack portion 16 a corresponding to the amount and direction of the rotation.
- the prism position adjustment knob 1 3 when the prism position adjustment knob 1 3 is rotated counterclockwise, the base end of the rack part 1 6 a moves away from the pinion part 17 and the two movable parts 16 are Slide away.
- the prism position adjusting knob 13 when the prism position adjusting knob 13 is rotated to the right, the base end of the rack portion 16 a moves in a direction approaching the pinion portion 17, and the two movable portions 16 slide in the approaching direction. Since the movable part 16 and the free curved surface prism 20 are connected, the free curved surface prism 20 slides in the same manner as the movable part 16 slides. In this way, by rotating the prism position adjusting knob 1 3, the free curved surface prism 2 0 attached to the movable portion 1 6 can be connected to the probe 1 0 5 even after the case 1 0 is attached to the glasses 1 0 0. And the wisdom of glasses 1 0 0.
- the position of the image output from the free-form surface prism 20 also slides.
- the position where the image is output can be matched with the position of the user's eyes.
- the movement of the two free-form surface prisms 20 can be performed symmetrically and simultaneously by the operation of one prism position adjusting knob 13 by the mechanism described above.
- the pinion part 17 may be configured integrally with the prism position adjusting knob 13.
- the diopter adjustment knob 1 2 and the diopter adjustment plate 1 1 included in the movable part 1 6 change the distance from the display 1 4 to the free-form surface prism 2 0 to match the user's visual acuity.
- the adjustment mechanism for making it difficult is configured.
- Figure 6 shows an enlarged view of the moving part 1 6 It is a figure for demonstrating an adjustment mechanism in detail.
- FIG. 7 is a diagram for explaining the operation of the adjustment mechanism.
- the diopter adjustment knob 12 has a structure in which a groove is formed in a head portion protruding to the outside of the case 10, and a crank portion 1 2 a bent in a crank shape in the middle.
- a flat plate is inserted into the groove in the head and rotated, the crank part 1 2 a rotates around the center of rotation.
- the diopter adjustment plate 11 is connected to the control board 15 and has a chamfered rectangular shape in which a long side is provided in the vicinity of the side facing the one side in the extending direction of the one side. Adjusting holes 1 1 a are provided.
- the crank portion 1 2 a of the diopter adjustment knob 1 2 is provided through the adjustment hole 1 1 a.
- the short side of the adjustment hole 11a is formed with a length corresponding to the size of the crank portion 12a.
- the diopter adjustment knob 1 2 When the diopter adjustment knob 1 2 is rotated in the state shown in FIG. 7, the crank portion 1 2 a rotates around the rotation center. The adjustment hole 1 1 a is penetrated by the crank part 1 2 a. Therefore, when the crank part 1 2 a rotates, the adjustment hole 1 1 a is urged in the direction of the control board 15 according to the movement. . As a result, the diopter adjustment plate 11 moves in a direction to urge the control board 15. When the control board 15 moves, the display 14 moves in a direction approaching the free-form surface prism 20. By changing the distance between the display 14 and the free-form surface prism 20, the diopter of the image can be adjusted according to the visual acuity of the user.
- the diopter adjustment knob 1 2 rotates, the diopter adjustment plate 1 1 moves like a piston. For this reason, the display 14 does not move too much and collides with the free-form surface prism 20, and each other is not damaged.
- the user can rotate the diopter adjustment knob 12 at the time of use to adjust the position of the display 14 to the optimum position for the diopter of his / her eyes.
- FIG. 8 is a diagram for explaining a light guide path by the free-form surface prism 20.
- the free-form surface prism 20 guides light from the display 14 to at least one eye of the user and enlarges an image displayed on the display 14.
- the free-form surface prism 20 is formed in a substantially triangular cross section having three surfaces, ie, a first surface S 1, a second surface S 2, and a third surface S 3, each of which is a free-form surface.
- the first surface SI is exposed to the display 14, and guides light from the display 14 for the image displayed on the display 14 to the inside of the free-form surface prism 20.
- the light from the display 14 is refracted when passing through the first surface S 1 and changes so that the image displayed on the display 14 is enlarged.
- the second surface S 2 reflects the light that has passed through the first surface S 1 (usually total reflection).
- the light passing through the first surface S 1 changes its direction greatly by being reflected by the second surface S 2, and changes so that the image displayed on the display 14 is enlarged.
- the second surface S 2 also allows the light reflected by the third surface S 3 to pass therethrough. This will be described later.
- the third surface S 3 reflects the light reflected by the second surface S 2.
- the light reflected by the second surface S 2 changes its direction greatly by being reflected by the third surface S 3, and changes so that the image displayed on the display 14 is enlarged.
- the reflection performed on the third surface S 3 may be reflection or reflection by metal.
- the reflection on the third surface S 3 is total reflection, the incident angle when the light reflected on the second surface S 2 reaches the third surface S 3 is less than the ⁇
- the curved surface of the third surface S3 is designed.
- the reflection performed on the third surface S3 is a reflection by a metal, the metal is attached to the outside of the third surface S3, for example, by vapor deposition.
- a dielectric multilayer film can be formed on the outside of the third surface S 3 instead of depositing metal. The reflection in this case is made by a dielectric multilayer film.
- the light reflected by the third surface S 3 is directed again to the second surface S 2 and passes through the second surface S 2.
- the light passing through the second surface S 2 is refracted when passing through the second surface S 2 and changes so that the image displayed on the display 14 is enlarged.
- the image displayed on the display 14 is displayed on the dotted line portion of the free-form surface prism 20 as shown in FIG.
- the case 10 When the case 10 is attached to the glasses 100, at least a part of the free-form prism 20 as described above is positioned in front of at least one eye of the user when using the head mounted display 1. It is connected to the case 10 so that the light from the display 14 is emitted to the user's eyes.
- the free-form curved prism 2 0 is attached to the case 1 0 when viewed from the user wearing the glasses 1 0 0. Instead of being connected in the vertical direction, they are connected in the horizontal direction. That is, the overall shape of the head mounted display 1 is a shape extending in the lateral direction.
- FIG. 10 a and FIG. 10 b are views showing a state in which the eyepiece 100 with the head mount display 1 attached is viewed from the front.
- the head mounted display 1 when viewing the eyeglass 100 with the head mount display 1 attached from the front, the head mounted display 1 is almost hidden behind the spectacle lens 100. Become.
- the head mounted display 1 of the present embodiment is connected to the main body 10 and the free-form curved prism 20 so that they are arranged in the horizontal direction. Therefore, when the case 10 is attached to the rear of the glasses 100, the head mount It is possible to prevent most of the display 1 from being seen from the front of the glasses 100. In other words, the amount of protrusion of the head-mounted display 1 from the eyepiece 100 can be reduced as much as possible, and the design is not impaired.
- the free curved surface prism can be used even when viewing the image displayed on the free curved surface prism 20.
- the area around 20 is visible, although it may be slightly blurred. Therefore, a simple operation can be performed even when the line of sight is directed to the free-form surface prism 20, which is convenient. Also, you can see your feet and walk even when you are pointing (2) toward the free-form surface prism 20. Furthermore, if the line of sight is removed from the free-form surface prism 20, the surroundings can be seen better.
- the glasses 10 0 with the head-mounted display 1 attached are fixed to the user's head.
- the head mount display 1 is attached to the glasses 1 0 0 by attaching the first mounting member attached to the glasses 1 0 0 to the first fitting hole 1 0 a provided in the case 1 0 of the head mounted display 1. This is done by fitting the first ball portion 40 0 b of the 40.
- the glasses 1 100 with the head mounted display 1 attached thereto are fixed to the user's head with the glasses 1 100 attached to the user's ear. Stop or eye This is done by pinching the user's head with the vine 1 0 3 of the mirror 1 0 0.
- the nose pad 30 is attached to the head mount display 1 before the glasses 100 are fixed to the user's head.
- the nose pad 30 is attached to the head mount display 1 by attaching the second ball portion 5 0 of the case 10 of the head mount display 1 to the second fitting hole 30a provided in the nose pad 30. Perform by fitting b.
- the user operates the external device and inputs data about the image to be displayed on the head mounted display 1 to the head mounted display 1.
- the control board 15 displays an image on the display 14 according to the image data.
- the light of the image displayed on the display 14 exits from the display 14 and is input to the first surface S 1 of the free-form curved prism 20.
- the free-form surface prism 20 mm light is emitted from the second surface S 2 as shown in FIG. The emitted light allows the user to see an appropriately sized image with both eyes.
- the user operates the diopter adjustment knob 1 2 to change the incident angle of the light from the display 1 4 to the free-form surface prism 20, while changing it to the free-form surface prism 20.
- the display 14 can be moved closer to or further away from the display. In other words, the display 14 can be moved back and forth in the light emission direction (optical axis direction) from the display. As a result, it is possible to adjust so that an image suitable for the eyesight of the user can be displayed.
- the user operates the prism position adjustment knob 13 to move the position of the free-form surface prism 20 to an appropriate position according to the eye width of the user, so that the position of the free-form surface prism 20 Can be adjusted to a position where the user can easily see the image.
- the user can listen to the sound matched to the image by wearing an earphone (not shown) on the ear.
- the user When the user stops using the head mounted display 1, the user removes the head mounted display 1 from the glasses 100.
- the nose pad 30 removed from the head mounted display 1 removed from the glasses 100 is attached to the glasses 100.
- the user uses the B mirror 100 as normal glasses. be able to.
- the nose pad 30 was attached to the glasses 100 by providing the first ball portion 40 0 b of the first mounting member 40 attached to the glasses 100 on the nose pad 30. This is done by fitting in the second fitting hole 30a.
- the case 10 has been described as being attached to the approximate center of the bridge 100 of the B mirror 100, but this is not a limitation, and the case 10 is not limited to the glasses 100. You may make it attach to this part.
- the light guide means of the present invention has been described as using a free-form surface prism 20 having a substantially triangular cross section, but other than a free-form surface prism of another shape or a free-form surface prism Can be used as the light guiding means.
- the light guiding means is at least partially positioned in front of at least one eye of the user when the head mounted display 1 is used, and guides light from the display 14 to at least one eye of the user. At the same time, any image can be used as long as the image displayed on the display 14 is enlarged.
- the first surface has four surfaces, the first surface, the second surface, the third surface, and the fourth surface.
- the light from the display 14 passes through the first surface and the light that has passed through the first surface.
- a free-form surface prism that changes the image and enlarges the image displayed on the display 14 instead of the above-mentioned free-form surface prism 20.
- the first to fourth surfaces may be non-continuous surfaces, but at least two of the first to fourth surfaces may be continuous and smoothly connected surfaces. ,.
- the above-mentioned free-form surface prism 20 is a single surface in which the second surface and the fourth surface are connected smoothly and continuously.
- the light guiding means of the present invention reflects the light from the first lens 71 and the first lens 71 that enlarge the image from the display 14 and the light of the light.
- the first reflecting mirror 7 2 that changes the direction
- the second reflecting mirror 7 3 that reflects the light reflected by the first reflecting mirror 7 2 and changes the direction of the light
- the second reflecting mirror 7 3 the light It is also possible to have a second lens 74 that transmits and enlarges the image. The number of reflections and how much the image is enlarged can be determined by the positional relationship between the display 14 and the user's eyes.
- the light guide means may include a free-form surface prism 20 and at least one of the lens 75 and the lens 76.
- the lens 75 and the lens 76 are for enlarging the image displayed on the display 14.
- These lenses 7 5 and 7 6 will be described as being plate-like lenses, but are not limited to this, and any lens can be used as long as it has a different refractive index and functions as a lens. It may be anything.
- the lens 7 5 is attached at any position between the display 14 and the first surface S 1 of the free-form surface prism 20, and the light from the display 14 passes through the lens 7 5. Via the first surface S 1 of the free-form surface prism 20.
- the light passing through the lens 75 is refracted at the time of passing, and changes so that the image displayed on the display 14 is enlarged. That is, such a lens 75 can enlarge the image displayed on the display 14 before entering the free-form surface prism 20.
- the lens 76 is attached to the outside of the second surface S 2 of the free-form surface prism 20, and the light from the display 14 emitted from the second surface S 2 of the free-form surface prism 20 is The lens 7 6 is emitted to the user's eye.
- the light passing through the lens 76 is refracted at the time of passing and changes so that the image displayed on the display 14 is enlarged. That is, with such a lens 76, the image displayed on the display 14 emitted from the free-form surface prism 20 can be enlarged to an appropriate size and emitted to the user's eyes.
- the case 10 has a diopter adjustment knob 12 that adjusts the diopter and a prism position adjustment knob 13 that adjusts the position of the free-form surface prism 20.
- these are not indispensable and can be configured not to have them.
- the glasses 100 are attached to the head mounted display 1 in a detachable manner.
- head to B Mirror 1 0 0 The mounting display 1 need not be detachable.
- both attachments can be fixed. In this case, attach the nose pad 30 to the case 1 0 of the head mounted display 1 as well. If the head mounted display 1 is fixed to the glasses 100, the glasses 100 are always used together with the head mounted display 1, so the nose pad 30 is separated from the head mounted display 1. This is because there is no need to make them.
- the mounting of the head-mounted display 1 on the glasses 100 or the mounting of the nose pad 30 on the case 10 of the head-mounted display 1 is fixed, use them for mounting.
- an appropriate method such as bonding using an adhesive or screwing using a screw can be used.
- the nose pad 30 can be attached to the case 1 0 of the head mount display 1. It can be fixed. In this case, when the head mounted display 1 is detached from the glasses 100, the nose pad 30 attached to the case 10 of the head mounted display 1 cannot be attached to the glasses 100. Therefore, it is necessary to prepare a nose pad that is attached to the glasses 100 with the head-mounted display 1 removed, which is different from the head-mounted display 1 provided.
- the nose pad used in this case only needs to be configured in the same manner as the nose pad 30 described in the above-mentioned embodiment.
- a nose pad similar to that described in the above embodiment is attached to the glasses 100 with the head mounted display 1 removed, the glasses 100 can be used as normal glasses. .
- a nose pad different from that provided in the head mounted display 1 may be fixedly attached to the glasses 100 from the beginning. This nose pad is shaped and sized so as not to interfere with the mounting of the head mounted display 1 to the glasses 100, and the position and position of the head pad 1 so as not to interfere with the mounting of the head mounted display 1 to the glasses 100.
- B Mirror 1 0 0 If you have a screen, the glasses after removing the head-mounted display 1 are not inconvenient to use as normal glasses.
- the glasses 100 to which the head mounted display 1 is attached are described as glasses having the bridge 10 5 in the present embodiment, but the present invention is not limited to this, and a bridge as shown in FIG.
- the glasses may not be provided.
- the eyeglass 100 may not be a commercially available general-purpose product, but may be dedicated to the head-mounted display 1.
- an earphone may be built into the vine of glasses 100.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007800520610A CN101627622B (zh) | 2007-01-09 | 2007-12-26 | 头戴显示器 |
EP07860568A EP2106132A4 (en) | 2007-01-09 | 2007-12-26 | HEAD MOUNTED DISPLAY |
US12/522,351 US8847851B2 (en) | 2007-01-09 | 2007-12-26 | Head-mounted display |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007-001816 | 2007-01-09 | ||
JP2007001816A JP5030595B2 (ja) | 2007-01-09 | 2007-01-09 | ヘッドマウントディスプレイ |
Publications (1)
Publication Number | Publication Date |
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WO2008084751A1 true WO2008084751A1 (ja) | 2008-07-17 |
Family
ID=39608642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2007/075373 WO2008084751A1 (ja) | 2007-01-09 | 2007-12-26 | ヘッドマウントディスプレイ |
Country Status (6)
Country | Link |
---|---|
US (1) | US8847851B2 (ja) |
EP (1) | EP2106132A4 (ja) |
JP (1) | JP5030595B2 (ja) |
KR (1) | KR20090099576A (ja) |
CN (1) | CN101627622B (ja) |
WO (1) | WO2008084751A1 (ja) |
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US10466487B2 (en) | 2017-06-01 | 2019-11-05 | PogoTec, Inc. | Releasably attachable augmented reality system for eyewear |
US10634912B2 (en) | 2017-06-01 | 2020-04-28 | NewSight Reality, Inc. | See-through near eye optical module |
US10634921B2 (en) | 2017-06-01 | 2020-04-28 | NewSight Reality, Inc. | See-through near eye optical display |
US10884246B2 (en) | 2017-06-01 | 2021-01-05 | NewSight Reality, Inc. | Releasably attachable augmented reality system for eyewear |
US11119353B2 (en) | 2017-06-01 | 2021-09-14 | E-Vision Smart Optics, Inc. | Switchable micro-lens array for augmented reality and mixed reality |
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WO2012020537A1 (ja) * | 2010-08-09 | 2012-02-16 | パナソニック株式会社 | 立体映像視聴装置 |
JPWO2012020537A1 (ja) * | 2010-08-09 | 2013-10-28 | パナソニック株式会社 | 立体映像視聴装置 |
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JP5807163B2 (ja) * | 2010-08-09 | 2015-11-10 | パナソニックIpマネジメント株式会社 | 立体映像視聴装置 |
US10466487B2 (en) | 2017-06-01 | 2019-11-05 | PogoTec, Inc. | Releasably attachable augmented reality system for eyewear |
US10634912B2 (en) | 2017-06-01 | 2020-04-28 | NewSight Reality, Inc. | See-through near eye optical module |
US10634921B2 (en) | 2017-06-01 | 2020-04-28 | NewSight Reality, Inc. | See-through near eye optical display |
US10884246B2 (en) | 2017-06-01 | 2021-01-05 | NewSight Reality, Inc. | Releasably attachable augmented reality system for eyewear |
US11119353B2 (en) | 2017-06-01 | 2021-09-14 | E-Vision Smart Optics, Inc. | Switchable micro-lens array for augmented reality and mixed reality |
US11852914B2 (en) | 2017-06-01 | 2023-12-26 | E-Vision Smart Optics, Inc. | Switchable micro-lens array for augmented reality and mixed reality |
Also Published As
Publication number | Publication date |
---|---|
US20100164840A1 (en) | 2010-07-01 |
EP2106132A1 (en) | 2009-09-30 |
CN101627622A (zh) | 2010-01-13 |
EP2106132A4 (en) | 2011-10-26 |
US8847851B2 (en) | 2014-09-30 |
CN101627622B (zh) | 2011-11-16 |
JP5030595B2 (ja) | 2012-09-19 |
KR20090099576A (ko) | 2009-09-22 |
JP2008172367A (ja) | 2008-07-24 |
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