CN105700146A - Head-mounted type image display device - Google Patents
Head-mounted type image display device Download PDFInfo
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- CN105700146A CN105700146A CN201610127004.5A CN201610127004A CN105700146A CN 105700146 A CN105700146 A CN 105700146A CN 201610127004 A CN201610127004 A CN 201610127004A CN 105700146 A CN105700146 A CN 105700146A
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- 230000003287 optical effect Effects 0.000 claims abstract description 107
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- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000003384 imaging method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000000007 visual effect Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
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- 230000003190 augmentative effect Effects 0.000 description 2
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Classifications
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- 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
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- 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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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- 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
- G02B2027/0134—Head-up displays characterised by optical features comprising binocular systems of stereoscopic type
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- 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
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Abstract
The present invention discloses a head-mounted type image display device, which includes a light-passing region, an image display, a first optical element array, a second optical element and a third optical element. The image display, the first optical element array, the second optical element and the third optical element are arranged in the light-passing region. An image signal displayed on the image display is processed by the first optical element array to form a first 4D light field and a second 4D light field. The first 4D light field is reflected by the second optical element to enter one eye of a wearer, and a first three-dimensional virtual image is formed in front of the sight of the wearer. The second 4D light field is processed by the third optical element to be reflected into the other eye of the wearer. Meanwhile, a second three-dimensional virtual image is formed in front of the sight of the wearer. The first three-dimensional virtual image and the second three-dimensional virtual image are coincident with each other. According to the technical scheme of the invention, the head-mounted type image display device is provided with only one image display device, thus being low in manufacturing cost, light in weight and portable. Moreover, the three-dimensional projection display is realized.
Description
Technical field
The present invention relates to stereo display technique field, particularly relate to a kind of head-mounted type image display device。
Background technology
Along with the development of science and technology, the application of head-mounted display apparatus is more and more extensive。When being applied in augmented reality Display Technique, it is necessary to head-mounted display apparatus has higher transparency and the bigger angle of visual field, and the light not entering human eye to external world produces deviation。
Head-mounted display apparatus of the prior art, for instance adopt the head-mounted display apparatus of the Technology design of holographic grating and fiber waveguide, complex manufacturing technology, cost are high, there is dispersion, and the angle of visual field is less;The Waveguideswithmicroreflector technology adopted realizes transparent effect display, and manufacture difficulty is big, cost is high, visual field is limited;Employing is low based on the intelligent glasses resolution of the integrative display fabrication techniques of microlens array, aberration greatly, does not have perspective function;Utilizing dual-projection equipment+hologram with two concave mirrors structure to realize the intelligent glasses of transparent effect, the function of focusing is fixed, do not possessed in the position of imaging surface, and relatively costly, equipment is more thick and heavy。
To sum up, how to control cost processing and manufacturing transparency and the angle of visual field to be satisfied by the head-mounted display apparatus of demand be augmented reality Display Technique field problem demanding prompt solution。
Summary of the invention
The invention provides a kind of head-mounted type image display device, solve head-mounted display apparatus manufacturing cost in prior art high, and the problem that the angle of visual field is less。
According to one aspect of the present invention, it is provided that a kind of head-mounted type image display device, including: territory, transparent zone and be positioned at the image display in territory, transparent zone, the first array of optical elements, the second optical element and the 3rd optical element;Wherein, the picture signal that image display shows forms a 4D light field and the 2nd 4D light field after the first array of optical elements processes, oneth 4D light field reflects in an eye of wearer through the second optical element, and form the first stereo virtual in the sight line front of wearer, 2nd 4D light field is after the 3rd optical element processes, reflect in the another eye of wearer, and form the second stereo virtual in the sight line front of wearer;Wherein, the first stereo virtual and the second stereo virtual overlap。
Wherein, this head-mounted type image display device also includes the 4th optical element, the picture signal that image display shows forms an inverted real image after the 4th optical element reflection, and the first array of optical elements forms a 4D light field and the 2nd 4D light field after inverted real image is processed。
Wherein, the first array of optical elements includes: positive positive meniscus lens array and the semi-transparent semi-reflecting film being arranged on positive positive meniscus lens array concave surface。
Wherein, the first array of optical elements includes: the first convex lens array, and possesses the concave mirror array of semi-transparent semi-reflecting function;Wherein, concave mirror array is between the first convex lens array and image display。
Wherein, the first array of optical elements includes: the first planoconvex lens array, the second planoconvex lens array, and the transflective layer filled between the first planoconvex lens array and the second planoconvex lens array。
Wherein, the first array of optical elements includes: semi-transparent semi-reflecting lens array, and is arranged at the second convex lens array and the 3rd convex lens array of semi-transparent semi-reflecting lens array both sides。
Wherein, the second optical element includes the first semi-transparent semi-reflecting lens, and the 4D light field reflected to form through the first array of optical elements is reflexed in an eye of wearer by the first semi-transparent semi-reflecting lens, and forms the first stereo virtual in the sight line front of wearer。
Wherein, the 3rd optical element includes the second semi-transparent semi-reflecting lens and plane mirror;Wherein, plane mirror reflects then through the second semi-transparent semi-reflecting lens in the another eye of wearer, and forms the second stereo virtual in the sight line front of wearer after the 2nd 4D light field formed through the first array of optical elements transmission being reflected。
Wherein, territory, transparent zone includes being interconnected and the first territory, transparent zone at an angle and the second territory, transparent zone;Wherein, the junction in the first territory, transparent zone and the second territory, transparent zone is provided with the 4th optical element, 4th optical element includes the first concave mirror of total reflection, image display is positioned at the first territory, transparent zone, and the first array of optical elements, the second optical element and the 3rd optical element are respectively positioned in the second territory, transparent zone;The picture signal that image display shows forms an inverted real image after the first concave mirror in the second territory, transparent zone。
Wherein, the imaging formula of the first concave mirror is:
In formula, a represents the distance between the first concave mirror and image display, and b represents the distance between the first concave mirror and inverted real image, faRepresent the focal length of the first concave mirror;Wherein, image display is positioned at outside the first concave mirror two focus length place or two focus length。
Embodiments of the invention provide the benefit that:
The head-mounted type image display device of the present invention forms a 4D light field and the 2nd 4D light field by having the process of the first array of optical elements of semi-transparent semi-reflecting function, and be projected to respectively in the eyes of wearer, to form the stereo virtual amplified in the sight line front of wearer, this device only needs an image display device, low cost of manufacture, frivolous portable, and it is capable of stereo projection display。
Accompanying drawing explanation
Fig. 1 represents the structural representation of the head-mounted type image display device of the present invention;
Fig. 2 represents the image-forming principle schematic diagram of the head-mounted type image display device of the present invention;
Fig. 3 represents the right eye imagery principle schematic of the head-mounted type image display device of the present invention;
Fig. 4 represents the left eye image-forming principle schematic diagram of the head-mounted type image display device of the present invention;
Fig. 5 represents the structural representation one of first array of optical elements of the present invention;
Fig. 6 represents the structural representation two of first array of optical elements of the present invention;
Fig. 7 represents the structural representation three of first array of optical elements of the present invention;
Fig. 8 represents the structural representation four of first array of optical elements of the present invention。
Wherein in figure: 1, territory, transparent zone, 2, image display, the 3, first array of optical elements, the 4, second optical element, the 5, the 3rd optical element, the 6, the 4th optical element;
30, positive positive meniscus lens array, 31, semi-transparent semi-reflecting film, 32, the first convex lens array, 33, concave mirror array, the 34, first planoconvex lens array, the 35, second planoconvex lens array, 36, transflective layer, 37, semi-transparent semi-reflecting lens array, the 38, second convex lens array, the 39, the 3rd convex lens array;
40, the first semi-transparent semi-reflecting lens;
50, the second semi-transparent semi-reflecting lens, 51, plane mirror;
60, the first concave mirror;
101, the first stereo virtual, the 102, second stereo virtual, 103, inverted real image;
201, a 4D light field, the 202, the 2nd 4D light field。
Detailed description of the invention
It is more fully described the exemplary embodiment of the present invention below with reference to accompanying drawings。Although accompanying drawing showing the exemplary embodiment of the present invention, it being understood, however, that may be realized in various forms the present invention and should do not limited by embodiments set forth here。On the contrary, it is provided that these embodiments are able to be best understood from the present invention, and complete for the scope of the present invention can be conveyed to those skilled in the art。
As shown in Figures 1 to 4, The embodiment provides a kind of head-mounted type image display device, including: territory, transparent zone 1 and be positioned at the image display 2 in territory, transparent zone 1 and there is the first array of optical elements the 3, second optical element 4 and the 3rd optical element 5 of semi-transparent semi-reflecting function;Wherein, the picture signal of image display 2 display forms 4D light field 201 and a 2nd 4D light field 202 after the first array of optical elements 3 processes, oneth 4D light field 201 is reflected in an eye of wearer by the second optical element 4, and form the first stereo virtual 101 in the sight line front of wearer, 2nd 4D light field 202 is processed in the another eye that back reflection enters wearer by the 3rd optical element 5, and forms the second stereo virtual 102 in the sight line front of wearer;Wherein, the first stereo virtual 101 and the second stereo virtual 102 are completely superposed。
Wherein, the picture signal of image display 2 display projects the left eye into wearer and right eye respectively after first array of optical elements the 3, second optical element 4 and the 3rd optical element 5, and forms virtual stereo-picture in the sight line front of wearer。Wherein, the territory, transparent zone 1 of this head-mounted type image display device can be hollow free space, it is also possible to be solid transparent material。Certainly, if the VR being applied to non-transparent effect shows field, it is possible to the outer surface in territory, transparent zone 1 is done opaque process, the feeling of immersion to reach the best is experienced。Image display 2 is miniature display screen curtain, is mainly used in throwing in and showing image or video information, for instance the display devices such as micro projector, laser, LED screen, DMD。This head-mounted type image display device forms a 4D light field and the 2nd 4D light field by having the process of the first array of optical elements 3 of semi-transparent semi-reflecting function, and be projected to respectively in the eyes of wearer, to form the stereo virtual amplified in the sight line front of wearer, this device only needs an image display device, low cost of manufacture, frivolous portable, and it is capable of stereo projection display。
Wherein, first array of optical elements 3 is to possess the array of optical elements of semi-transparent semi-reflecting function or single element arrays, as shown in Figure 5, first array of optical elements 3 includes: positive positive meniscus lens array 30 and the semi-transparent semi-reflecting film 31 being arranged on positive positive meniscus lens array 30 concave surface, wherein, semi-transparent semi-reflecting film 31 is plated on the concave surface of positive positive meniscus lens array 30, and the first array of optical elements 3 makes single element arrays, and whole device can be made compact frivolous。When light is from semi-transparent semi-reflecting film 31 side incidence, the semi-transparent semi-reflecting film 31 meeting a part of light of transmission also reflects a part of light formation the oneth 4D light field, transmitted ray forms the 2nd 4D light field through the refraction of positive positive meniscus lens array 30, wherein, reflection light meets concave mirror image-forming principle through semi-transparent semi-reflecting film 31, and transmitted ray meets convex lens array image-forming principle through the refraction of positive positive meniscus lens array 30。Wherein, positive positive meniscus lens array 30 is the microlens array of two-dimensional directional, and each unit of the first array of optical elements 3 is corresponding to each pixel of image display 2。
Further, this first array of optical elements 3 can be made into the array structure of two independent firmware as shown in Figure 6, and namely the first array of optical elements 3 includes: the first convex lens array 32, and possesses the concave mirror array 33 of semi-transparent semi-reflecting function;Wherein, concave mirror array 33 is between the first convex lens array 32 and image display 2, and wherein the shape of the first convex lens array 32 can have any shape, and it is not done concrete shape and limits。
Further, this first array of optical elements 3 also can make three balsaming lens structures as shown in Figure 7, specifically, first array of optical elements 3 includes: first planoconvex lens array the 34, second planoconvex lens array 35, and the transflective layer 36 filled between the first planoconvex lens array 34 and the second planoconvex lens array 35。Wherein, first planoconvex lens array 34 is identical with the planform of the second planoconvex lens array 35, when light is from the second planoconvex lens array 35 side incidence, a part of light is reflected by transflective layer 36 after the second planoconvex lens array 35 refraction, then through outgoing after the second planoconvex lens array 35 refraction, this process is equivalent to the convex lens array through a piece of standard shape;And another part light through second planoconvex lens array 35 refraction after by transflective layer 36 transmission, in outgoing after the first planoconvex lens array 34 refraction, its process also corresponds to the convex lens array through a piece of standard shape, so can form the 4D light field of correspondence in the left and right sides of the first array of optical elements 3。
Further, the first array of optical elements 3 also makes the array structure of three firmwares as shown in Figure 8, specifically includes: semi-transparent semi-reflecting lens array 37, and is arranged at the second convex lens array 38 and the 3rd convex lens array 39 of semi-transparent semi-reflecting lens array 37 both sides。Wherein, the second convex lens array 38 and the 3rd convex lens array 39 can have any shape, and it does not done concrete shape and limit。
Wherein, as shown in Figures 1 to 4, optical module also includes the 4th optical element 6, and the picture signal of image display 2 display forms inverted real image 103 after the 4th optical element 6 reflection, and the first array of optical elements 3 forms 4D light field 201 and a 2nd 4D light field 202 after inverted real image 103 is processed。
Further, territory, transparent zone 1 includes being interconnected and the first territory, transparent zone at an angle and the second territory, transparent zone;Wherein, the junction in the first territory, transparent zone and the second territory, transparent zone is provided with the 4th optical element 6,4th optical element 6 includes the first concave mirror 60 of total reflection, image display 2 is positioned at the first territory, transparent zone, and first array of optical elements the 3, second optical element 4 and the 3rd optical element 5 are respectively positioned in the second territory, transparent zone;Picture signal being reflected in the second territory, transparent zone and forming an inverted real image 103 through the first concave mirror 60 of image display 2 display。In addition, 4th optical element 6 is except being concave mirror structure, can one be plane mirror, the spherical reflector with fixed focal length, the deformable mirror of electric control focusing or the composition element of plane mirror and zoom lens, as long as be capable of that light beam turns to, expands, the compound lens of imaging function, zoom lens or Varifocal mirror all can as the concrete structure forms of the 4th optical element 6。
Wherein, second optical element 4 includes the first semi-transparent semi-reflecting lens 40, the 4D light field 201 reflected to form through the first array of optical elements 3 is reflexed in an eye of wearer by the first semi-transparent semi-reflecting lens 40, and forms the first stereo virtual 101 in the sight line front of wearer。
Wherein, the 3rd optical element 5 includes the second semi-transparent semi-reflecting lens 50 and plane mirror 51;Wherein, the 2nd 4D light field 202 formed through the first array of optical elements 3 transmission is reflected by plane mirror 51, and the 2nd 4D light field is reflected in the another eye of wearer by the second semi-transparent semi-reflecting lens 50, and forms the second stereo virtual 102 in the sight line front of wearer。Wherein, different according to concrete application scenarios, the first semi-transparent semi-reflecting lens 40 and the second semi-transparent semi-reflecting lens 50 can be glass material, polymeric material, membrane structure, the optical grating construction etc. that is integrated in optical crystal, and its position can regulate according to wearer's interpupillary distance value。
Below in conjunction with accompanying drawing, light propagation and imaging process are described further。As shown in Figures 1 to 4, image display 2 loads the picture signal play and shows, transmits in territory, transparent zone 1, under the reflection of the 4th optical element 6 (the first concave mirror 60), form an inverted real image 103, wherein, imaging formula meets concave mirror image-forming principle, particularly as follows:
In formula, a represents the distance between the first concave mirror 60 and image display 2, and b represents the distance between the first concave mirror 60 and inverted real image 103, i.e. the image distance of imaging, faRepresent the focal length of the first concave mirror 60;Wherein, image display 2 is positioned at outside the first concave mirror 60 two focus length place or two focus length, so can form the big or inverted real images 103 reduced that stand upside down such as handstand。Wherein, when the focal distance f changing the first concave mirror 60aTime, image distance b can be changed, and then change the distance c between inverted real image 103 and the first array of optical elements 3, ultimately result in inverted real image 103 closer or far from positive positive meniscus lens array 30。The distance of inverted real image 103 and the first array of optical elements 3 determines the angle of visual field of whole device, and distance is more little, and the angle of visual field is more big, the position of focal length and image display 2 by regulating the first concave mirror 60, it is possible to achieve the demand of the big angle of visual field。
As shown in Figure 3, after territory, transparent zone 1 forms inverted real image 103, light beam continues to inject on semi-transparent semi-reflecting film 31, at this moment a part of light reflects, a part of light generation transmission, Fig. 3 show reflection photoimaging process, the catoptric imaging principle of semi-transparent semi-reflecting film 31 is concave mirror image-forming principle, the light of inverted real image 103 is dispersed after semi-transparent semi-reflecting film 31 reflects, owing to semi-transparent semi-reflecting film 31 is array structure, so under the reflection of semi-transparent semi-reflecting film 31, a 4D light field 201 is formed on the right side of it, diverging light is injected the first semi-transparent semi-reflecting lens 40 by light after semi-transparent semi-reflecting film 31 reflects, wearer's right eye is entered after the reflection of the first semi-transparent semi-reflecting lens 40, thus forming the first stereo virtual 101 in the sight line front of wearer。
As shown in Figure 4, after territory, transparent zone 1 forms inverted real image 103, light beam continues to inject on semi-transparent semi-reflecting film 31, at this moment a part of light reflects, a part of light generation transmission, Fig. 4 is transmission photoimaging process, the transmission imaging principle of semi-transparent semi-reflecting film 31 is convex lens array image-forming principle, distance between inverted real image 103 and the first array of optical elements 3 is just one times of focal length place of a lens unit of the first array of optical elements 3, the light of inverted real image 103 is dispersed after positive positive meniscus lens array 30 reflects, the 2nd 4D light field 202 is formed in the left side of positive positive meniscus lens array 30, diverging light is injected plane mirror 51 by light after positive positive meniscus lens array 30 reflects, form the 4D light field in opposite direction with the 2nd 4D light field 202 in the left side of plane mirror 51 after the reflection of plane mirror 51, the light of plane mirror 51 is injected through positive positive meniscus lens array 30, after reflection then through plane mirror 51, inject in the second semi-transparent semi-reflecting lens 50, then through entering wearer's left eye after the reflection of the second semi-transparent semi-reflecting lens 50。
As shown in Figure 3 and Figure 4, dizzy sense is avoided in order to ensure that the stereo virtual that left eye and right eye are watched is completely superposed, namely need to ensure that the first stereo virtual 101 and the second stereo virtual 102 are equal in magnitude, then need the focal length focal length equal to the concave mirror of semi-transparent semi-reflecting film 31 of positive positive meniscus lens array 30;The image distance of the first stereo virtual 101 and the second stereo virtual 102 is equal, and the optical path distance namely entering eyes is equal。
To sum up, the picture signal of the image display 2 of this head-mounted type image display device, a 4D light field and the 2nd 4D light field is formed by having the process of the first array of optical elements of semi-transparent semi-reflecting function, and be projected to respectively in the eyes of wearer, to form the stereo virtual amplified in the sight line front of wearer, this device only needs an image display device, low cost of manufacture, frivolous portable, disclosure satisfy that angle of visual field demand, and be capable of stereo projection display。It is furthermore pointed out that this head-mounted type image display device can make helmet-type outward appearance, frame eyeglasses formula outward appearance also can be made。
Above-described is the preferred embodiment of the present invention; should be understood that the ordinary person for the art; can also making some improvements and modifications under without departing from principle premise of the present invention, these improvements and modifications are also in protection scope of the present invention。
Claims (10)
1. a head-mounted type image display device, it is characterised in that including: territory, transparent zone and be positioned at the image display in territory, described transparent zone, the first array of optical elements, the second optical element and the 3rd optical element;Wherein, the picture signal that described image display shows forms a 4D light field and the 2nd 4D light field after described first array of optical elements processes, a described 4D light field reflects in an eye of wearer through described second optical element, and form the first stereo virtual in the sight line front of described wearer, described 2nd 4D light field is after described 3rd optical element processes, reflect in the another eye of described wearer, and form the second stereo virtual in the sight line front of described wearer;Wherein, described first stereo virtual and described second stereo virtual overlap。
2. head-mounted type image display device according to claim 1, it is characterized in that, described head-mounted type image display device also includes the 4th optical element, the picture signal that described image display shows forms an inverted real image after described 4th optical element reflection, and the first array of optical elements forms a 4D light field and the 2nd 4D light field after described inverted real image is processed。
3. head-mounted type image display device according to claim 2, it is characterised in that described first array of optical elements includes:
Positive positive meniscus lens array and the semi-transparent semi-reflecting film being arranged on described positive positive meniscus lens array concave surface。
4. head-mounted type image display device according to claim 2, it is characterised in that described first array of optical elements includes: the first convex lens array, and possess the concave mirror array of semi-transparent semi-reflecting function;Wherein, described concave mirror array is between described first convex lens array and described image display。
5. head-mounted type image display device according to claim 2, it is characterized in that, described first array of optical elements includes: the first planoconvex lens array, the second planoconvex lens array, and the transflective layer filled between described first planoconvex lens array and described second planoconvex lens array。
6. head-mounted type image display device according to claim 2, it is characterised in that described first array of optical elements includes: semi-transparent semi-reflecting lens array, and it is arranged at the second convex lens array and the 3rd convex lens array of described semi-transparent semi-reflecting lens array both sides。
7. the head-mounted type image display device according to any one of claim 3 to 6, it is characterized in that, described second optical element includes the first semi-transparent semi-reflecting lens, the 4D light field reflected to form through described first array of optical elements is reflexed in an eye of wearer by described first semi-transparent semi-reflecting lens, and forms the first stereo virtual in the sight line front of described wearer。
8. head-mounted type image display device according to claim 7, it is characterised in that described 3rd optical element includes the second semi-transparent semi-reflecting lens and plane mirror;Wherein, described plane mirror reflects then through described second semi-transparent semi-reflecting lens in the another eye of described wearer, and forms the second stereo virtual in the sight line front of described wearer after the 2nd 4D light field formed through described first array of optical elements transmission being reflected。
9. head-mounted type image display device according to claim 8, it is characterised in that territory, described transparent zone includes being interconnected and the first territory, transparent zone at an angle and the second territory, transparent zone;Wherein, the junction in described first territory, transparent zone and described second territory, transparent zone is provided with the 4th optical element, described 4th optical element includes the first concave mirror of total reflection, described image display is positioned at described first territory, transparent zone, and described first array of optical elements, described second optical element and described 3rd optical element are respectively positioned in described second territory, transparent zone;The picture signal that described image display shows forms an inverted real image after described first concave mirror in described second territory, transparent zone。
10. head-mounted type image display device according to claim 9, it is characterised in that the imaging formula of described first concave mirror is:
In formula, a represents the distance between described first concave mirror and described image display, and b represents the distance between described first concave mirror and described inverted real image, faRepresent the focal length of described first concave mirror;
Wherein, described image display is positioned at outside described first concave mirror two focus length place or two focus length。
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WO2024046067A1 (en) * | 2022-08-31 | 2024-03-07 | 京东方科技集团股份有限公司 | Near-eye display apparatus, display method thereof and wearable device |
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US5003300A (en) * | 1987-07-27 | 1991-03-26 | Reflection Technology, Inc. | Head mounted display for miniature video display system |
US5642221A (en) * | 1994-03-09 | 1997-06-24 | Optics 1, Inc. | Head mounted display system |
TW319864B (en) * | 1996-11-15 | 1997-11-11 | Daewoo Electronics Co Ltd | Head-mounted display apparatus with a single image display device |
US5751493A (en) * | 1996-11-15 | 1998-05-12 | Daewoo Electronics Co., Ltd. | Head-mounted display apparatus with a single image display device |
CN103869467A (en) * | 2012-12-17 | 2014-06-18 | 联想(北京)有限公司 | Display device and wearable spectacle equipment |
-
2016
- 2016-03-04 CN CN201610127004.5A patent/CN105700146B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US5003300A (en) * | 1987-07-27 | 1991-03-26 | Reflection Technology, Inc. | Head mounted display for miniature video display system |
US5642221A (en) * | 1994-03-09 | 1997-06-24 | Optics 1, Inc. | Head mounted display system |
TW319864B (en) * | 1996-11-15 | 1997-11-11 | Daewoo Electronics Co Ltd | Head-mounted display apparatus with a single image display device |
US5751493A (en) * | 1996-11-15 | 1998-05-12 | Daewoo Electronics Co., Ltd. | Head-mounted display apparatus with a single image display device |
CN103869467A (en) * | 2012-12-17 | 2014-06-18 | 联想(北京)有限公司 | Display device and wearable spectacle equipment |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2024046067A1 (en) * | 2022-08-31 | 2024-03-07 | 京东方科技集团股份有限公司 | Near-eye display apparatus, display method thereof and wearable device |
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CN105700146B (en) | 2017-02-01 |
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