CN105572877A - Head-mounted type augmented reality intelligent display device - Google Patents
Head-mounted type augmented reality intelligent display device Download PDFInfo
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- CN105572877A CN105572877A CN201610075988.7A CN201610075988A CN105572877A CN 105572877 A CN105572877 A CN 105572877A CN 201610075988 A CN201610075988 A CN 201610075988A CN 105572877 A CN105572877 A CN 105572877A
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Classifications
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- G—PHYSICS
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- 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
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- G02B27/0101—Head-up displays characterised by optical features
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- G02B2027/0138—Head-up displays characterised by optical features comprising image capture systems, e.g. camera
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- G02B2027/0174—Head mounted characterised by optical features holographic
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Abstract
The invention discloses a head-mounted type augmented reality intelligent display device. The device comprises a head wearable frame; the frame is provided with a display module used for emitting light carrying image information, a projection optical module which is used for projecting the light emitted by the display module to a film-coated lens, and the film-coated lens which is used for correcting eyesight and diffracting the light emitted by the projection optical module so as to make the light of an external real environment and the light of a projected virtual scene enter eyes simultaneously and imaged clearly on retinas, wherein the film-coated lens includes an optically transparent substrate, a monolayer or multilayer holographic film formed thereon, and a transparent protective film formed at an outmost layer, and the display module and the projection optical module jointly constitute an integrated display assembly. The head-mounted type augmented reality intelligent display device of the invention is simple in structure and can satisfy use requirements of consumer groups with eye diseases such as myopia, hyperopia and astigmatism.
Description
Technical field
The present invention relates to intelligent display technical field, particularly relate to a kind of wear-type augmented reality intelligent display device.
Background technology
Current era, the crowd's quantity suffering from visual problems day by day increases, and only with regard to this general ophthalmology disease of myopia, only Chinese A nearsighted person is just more than 300,000,000 populations, and wherein the incidence of disease of adolescent myopia is more up to 50%.Meanwhile, the incidence of disease of China's myopia is still promptly rising year by year, and it suffers from the overwhelming majority in patient is student, and in emphasis senior middle school and university, myope ratio has reached the degree of 90%.In addition, the people of the institution staff such as institutional settings, research institution and middle and primary schools owing to being engaged in the near-distance reading work of high strength, the probability that myopia occurs also reaches about 80%.Meanwhile, in world wide, myopia also maintains higher number level with the trouble patient of long sight, therefore among this crowd suffering from myopia and long sight, contain the huge market space, but the request for utilization of intelligent display device to the user suffering from this type of ophthalmology disease of the augmented reality of marketable issues at present does not give to consider fully with satisfied.
The augmented reality intelligent display device major part at present with mature technology is the Informal development with intelligent glasses, and most of product of intelligent glasses all needs augmented reality display device extra in external stability on spectacle-frame or existing basis of correcting shape medical science glasses, the such as intelligent glasses of Google company issue in 2013, the optics display section of its major function is placed in correcting lens outside, what which adds myope or hyperope bears weight, have impact on the comfort of intelligent display device to a certain extent, be an impediment to Consumer's Experience.Therefore develop a kind of structure simple, light comfortable, augmented reality display is had very large necessity with the unified augmented reality display device of vision correction Function Integration Mechanism.
Projection display technique comprises various projection chip technology, as digital micro-mirror (DMD), liquid crystal on silicon (LCoS), Organic Light Emitting Diode (OLED), laser projection etc.Along with making rapid progress of shadow casting technique, high resolving power projection chip becomes main flow, so just for the realization of the augmented reality of application of high resolution projection chip is laid a good foundation.
Acquisition technology be by optical lens by image objects at photosensitive device as charge coupled cell (CCD), complementary metal oxide semiconductor (CMOS) (CMOS) etc., and form the mode of digital picture.
Holographic technique, also claiming hologram three-dimensional display technique, is the technology utilizing the principle of interference record of light the recording and reconstruction of the real 3-D view of reconstructed object.Its first step utilizes the field information of interfering exposure record object, and this i.e. shooting process: subject forms the object beam of diffuse type under laser irradiation; Another part laser is as being mapped on holofilm with reference to light beam, produce with object beam superposition and interfere, the position phase of each point on object light wave and amplitude are converted to the intensity spatially changed, thus utilize the contrast between interference fringe and interval to be recorded by the full detail of object light wave, just become a hologram, or claim hologram; Its second step utilizes diffraction principle reconstructed object light-wave information, this is imaging procedures: hologram is just as the combination of multiple grating, under coherent laser illumination, the diffraction light wave of the sinusoidal hologram of a linear recording generally can provide two and resemble, and namely originally resembles (also known as initial image) and conjugate image.The image stereoscopic sensation reproduced is strong, has real visual effect.
The intelligent display device of the augmented reality of current marketable issues is not except the request for utilization of the above-mentioned user to suffering from this type of ophthalmology disease gives to consider fully, on the other hand, do not fully utilize above-mentioned technology yet and propose a kind of more desirable applicable intelligent display device.
Summary of the invention
The present invention is directed to the above technical matters existed in prior art, propose a kind of simple and light, based on the augmented reality display device of holographic technique, it can meet the user demand of the consumer groups suffering from the optical disorders such as myopia, long sight and astigmatism simultaneously.
The technical solution adopted for the present invention to solve the technical problems is: a kind of wear-type augmented reality intelligent display device, and it comprises a framework that can wear, and has on said frame:
Display module, for sending the light carrying image information;
Projection optical module, for by the ray cast of described display module outgoing to plated film lens;
Plated film lens, carries out diffraction for vision correction and to the light of described projection optical module outgoing, makes outside true environment enter human eye with the light of the virtual scene projected out simultaneously, and in retina blur-free imaging;
Described plated film lens comprises the transparent protective film that optical clear matrix and the single or multiple lift holographic film formed and outermost layer are formed thereon; Described display module and described projection optical module form integrative display assembly jointly.
Improve as to the one of technical scheme of the present invention, the described framework worn is the shape of glasses or similar glasses, or has latch closure and be fixed on the helmet of head or the shape of the similar helmet.
Improve as to the one of technical scheme of the present invention, described display module be organic light-emitting diode display, quantum dot light emitting display, digital micromirror display, liquid crystal on silicon display in one or more.
Improve as to the one of technical scheme of the present invention, described projection optical module is the combination of single optical lens or multiple optical element.
Improve as to the one of technical scheme of the present invention, the optical clear matrix of described plated film lens is one or more in level crossing, concavees lens, convex lens, cylindrical mirror.
Improve as to the one of technical scheme of the present invention, described display module and described projection optical module be positioned over directly over described plated film lens, oblique upper, one or more positions in proceeds posterolateral position.
Improve as to the one of technical scheme of the present invention, described holographic film is reflective holographic grating or transmission-type holographic grating.
Improve as to the one of technical scheme of the present invention, also comprise:
Photographing module, for obtaining the real scene image being positioned at the first view directions, it comprises one or more in visible image capturing head, photographic IR head, degree of depth camera;
Microphone, for gathering the voice of user.
Improve as to the one of technical scheme of the present invention, also comprise head tracking module, for obtaining head pose and the movement locus of user, it comprises one or more in the sensors such as gyroscope, accelerometer, magnetometer.
Improve as to the one of technical scheme of the present invention, also comprise wireless communication module, for wirelessly transmitting data.
Wear-type augmented reality intelligent display device provided by the invention, simple and light, it is the augmented reality display device based on holographic technique, meets the user demand suffering from the consumer groups of the optical disorders such as myopia, long sight and astigmatism simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of the wear-type augmented reality intelligent display device of first embodiment of the invention;
Fig. 2 is the light path principle figure in the wear-type augmented reality intelligent display device of first embodiment of the invention;
Fig. 3 a is a kind of structural representation of plated film lens in the wear-type augmented reality intelligent display device of first embodiment of the invention;
Fig. 3 b is the another kind of structural representation of plated film lens in the wear-type augmented reality intelligent display device of first embodiment of the invention;
Fig. 4 is the structural representation of a kind of projection optical module of integrative display component internal in the wear-type augmented reality intelligent display device of first embodiment of the invention;
Fig. 5 is the structural representation of temple inside in the wear-type augmented reality intelligent display device of first embodiment of the invention;
Fig. 6 is the structural representation of the wear-type augmented reality intelligent display device of second embodiment of the invention;
Fig. 7 is the light path principle figure in the wear-type augmented reality intelligent display device of second embodiment of the invention;
Fig. 8 is the structural representation in the wear-type augmented reality intelligent display device of third embodiment of the invention;
Fig. 9 is the light path principle figure in the wear-type augmented reality intelligent display device of third embodiment of the invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
First embodiment
Fig. 1 is the structural representation of the wear-type augmented reality intelligent display device of first embodiment of the invention, Fig. 2 is the light path principle figure in the wear-type augmented reality intelligent display device of first embodiment of the invention, Fig. 3 a is a kind of structural representation of plated film lens in the wear-type augmented reality intelligent display device of first embodiment of the invention, Fig. 3 b is the another kind of structural representation of plated film lens in the wear-type augmented reality intelligent display device of first embodiment of the invention, Fig. 4 is the structural representation of a kind of projection optical module of integrative display component internal in the wear-type augmented reality intelligent display device of first embodiment of the invention, Fig. 5 is the structural representation of temple inside in the wear-type augmented reality intelligent display device of first embodiment of the invention.
As shown in Figure 1, the wear-type augmented reality intelligent display device of the present embodiment, it comprises a framework that can wear (being picture frame 104 in the present embodiment), and framework has:
Display module, for sending the light carrying image information;
Projection optical module, for by the ray cast of display module outgoing to plated film lens;
Plated film lens 102, carries out diffraction for vision correction and to the light of projection optical module outgoing, makes outside true environment enter human eye with the light of the virtual scene projected out simultaneously, and in retina blur-free imaging;
Composition graphs 1 to Fig. 5, in the specific embodiment of the invention, plated film lens 102 comprises the transparent protective film 303 that optical clear matrix 301 and the single or multiple lift holographic film 302 formed and outermost layer are formed thereon; Display module and projection optical module form integrative display assembly 101 jointly.In the present embodiment, integrative display assembly 101 is by slant setting inside the temple of plated film lens 102 proceeds posterolateral, and projection aperture 403 is towards plated film lens 102 direction; Camera is placed on the central authorities of intelligent glasses front picture frame 104; The holographic film 302 that plated film lens 102 is selected is reflective holographic grating.
As shown in Figure 2, when this intelligent glasses display virtual information, the display module of integrative display assembly 101 inside is as light source, and load image information, project light.The optical path adjustings such as the light of projection optical module to load image information expands, collimation, and make it with the plated film lens 102 in correct front, directive side, direction.The light of oblique incidence can be carried out diffraction by the plated film lens 102 being coated with reflective holographic grating, makes the incident human eye 201 of emergent ray success carry out imaging.Because reflective holographic grating has wavelength selectivity, therefore only diffracting effect is produced to the light of certain spectral.When needs color display, must plate three layers of reflective holographic grating on plated film lens 102, every layer of grating carries out diffraction for the light of red, green, blue three kinds of colors respectively, and last combined color image information enters human eye 201.Simultaneously, a part for extraneous light can be gone out sight line by holographic grating diffraction, remainder then can almost nondestructively by the plated film lens 102 of intelligent glasses, enter human eye 201, ensure that user also can see while viewing virtual image around true scene, reach the effect of augmented reality.
The Main Function of projection optical module is the light beam to being sent by display module, carries out the control of exit direction, and the direction of propagation of light is adjusted to the angle and position that need projection.The structure of this module is comparatively flexible, can design according to actual conditions, take display module as Organic Light Emitting Diode (OLED) is example, because OLED has self luminous feature, can save extra illuminating source.So the simplest projection optical module can be only one piece of optical lens, and together with display module slant setting to aim at plated film lens 102.Choosing of lens also can be determined according to the specific design of projecting light path, such as, when view field's area is less, can select convex lens, otherwise when view field's area is larger, selects concavees lens.If when needing the size suitably expanding display image, beam expander can also be added in projecting light path, with enlarged image.When needing to compensate the spherical aberration of lens and dispersion, projection optical module can be the combination of multiple lens or other optical elements multiple.
Plated film lens 102 can adopt two kinds of primary structures, respectively as shown in Figure 3 a and Figure 3 b shows.In fig. 3 a, plated film lens 102 is using one piece of optical clear matrix 301 as the body portion of eyeglass, and matrix can be common planar optics, and now transparent base does not change the exit direction of incident ray, is only used as the substrate in plated film; Also can for having the optical lens of vision correction function, now transparent base also can provide suitable diopter, helps the human eye suffering from optical disorders to see external object clearly.In the side of transparent base towards user's human eye 201, be coated with single or multiple lift holographic film 302, this film is reflective holographic grating, and every layer of holographic film 302 can carry out diffraction to the light beam of special frequency channel, makes its incident human eye 201.On the holographic film 302 of innermost layer, be coated with layer of transparent diaphragm 303, together with optical clear matrix 301, all holographic films 302 be clipped in the middle, play the effect preventing holographic film 302 to be scraped off.
Fig. 3 b is that the another kind of plated film lens 102 realizes structure, is made up of equally one piece of optical clear matrix 301, one or more layers holographic film 302 and layer of transparent diaphragm 303.Be that holographic film 302 is plated in the side of transparent optical matrix away from human eye 201 with the difference of the first structure, transparent protective film 303 is also plated on outermost holographic film 302, is clipped in the middle by holographic film 302 together with transparent base.
Fig. 4 is the structural representation of a kind of projection optical module of integrative display component internal in this example.As described above, what this figure showed is the simplest a kind of projecting light path, i.e. the combined optical path of OLED and single convex lens.In Fig. 4, Organic Light Emitting Diode 401, as display module, outwards launches light, and the convex lens 402 in front converge the light sent and collimate, make the light being loaded with image information by the projection aperture 403 on integrative display assembly 101, and projection is to plated film lens.
In the present embodiment, as shown in Figure 5, the temple inside of intelligent glasses is integrated with multiple module, such as head tracking module 501, microphone 502, wireless communication module 503 etc., these modules have respective purposes, to enrich the function of intelligent display device, but it can need self-defined selection according to user along order and structure, also can be optimized design according to practical application scene.
In the present embodiment, what transparent protective film 303 adopted is optically transparent material, and preferably, its material is silicon dioxide or silicon nitride film, but is not limited thereto, and also can be the material that other intensity and transparency meet the demands.In the present embodiment, the framework that can wear is glasses, but is not limited to secondary, also can improve according to actual needs, adopt the structure of other similar glasses or have latch closure and be fixed on the helmet of head or the shape of the similar helmet.Display module in the present embodiment can be organic light-emitting diode display, quantum dot light emitting display, digital micromirror display, liquid crystal on silicon display in one or more; Projection optical module is the combination of single optical lens or multiple optical element; The optical clear matrix of plated film lens 102 is one or more in level crossing, concavees lens, convex lens, cylindrical mirror; Display module and projection optical module are positioned over directly over plated film lens 102, oblique upper, one or more positions in proceeds posterolateral position, as long as the placement location of light path principle of the present invention can be met and other positions easy to use, also; Holographic film 302 is reflective holographic grating or transmission-type holographic grating.
In the present embodiment, photographing module 103 is for obtaining the real scene image being positioned at the first view directions, and it comprises one or more in visible image capturing head, photographic IR head, degree of depth camera; Microphone, for gathering the voice of user.In the present embodiment, can also comprise head tracking module, for obtaining head pose and the movement locus of user, it comprises one or more in the sensors such as gyroscope, accelerometer, magnetometer; In addition, wireless communication module can also be comprised, for wirelessly transmitting data.
Second embodiment
Fig. 6 is the structural representation of the wear-type augmented reality intelligent display device of second embodiment of the invention; Fig. 7 is the light path principle figure in the wear-type augmented reality intelligent display device of second embodiment of the invention; Composition graphs 6 and Fig. 7, the present embodiment is similarly the form of intelligent glasses, the something in common of itself and embodiment one repeats no more, be in this example from the different of embodiment one, integrative display assembly 601 is placed on above plated film lens 102, and plated film lens 102 is by slant setting, so that the light launched by display module can oblique incidence eyeglass reflecting.
As shown in Figure 7, when this intelligent glasses display virtual information, the Ray obliquity that integrative display assembly 601 projects is incident to the plated film lens 102 of below.The plated film lens 102 pairs of incident raies being coated with reflective holographic grating carry out diffraction, and make the incident human eye 201 of emergent ray success carry out imaging, other processes are substantially identical with example one, repeat no more.Identical with the plated film lens 102 in embodiment one, the eyeglass in this enforcement also can select the structure shown in Fig. 3 a and Fig. 3 b, is the eyeglass originally vertically placed to have rotated certain angle with the difference of embodiment one.
3rd embodiment
Fig. 8 is the structural representation in the wear-type augmented reality intelligent display device of third embodiment of the invention; Fig. 9 is the light path principle figure in the wear-type augmented reality intelligent display device of third embodiment of the invention.As shown in Figure 8, the present embodiment is similarly the form of intelligent glasses, be made up of integrative display assembly 801, plated film lens 102, photographing module 103 and outside picture frame 104, structure is roughly the same with embodiment two, integrative display assembly 801 is positioned over above plated film lens 102, difference is that the holographic film 302 that plated film lens 102 is selected is transmission-type holographic grating, and plated film lens 102 slopes inwardly, and makes integrative display assembly 801 be positioned at the side of plated film lens 102 away from human eye 201.
As shown in Figure 9, when this intelligent glasses display virtual information, integrative display assembly 801 plated film lens 102 throw light downwards of top is positioned at.The light of oblique incidence is carried out diffraction by the plated film lens 102 being coated with transmission-type holographic grating, makes the incident human eye 201 of emergent ray success carry out imaging.Because transmissive hologram has angular selectivity, transmission effects is produced to the light of special angle incidence, therefore need the projecting direction by projection optical module adjustment emergent ray.Because transmissive hologram does not have wavelength selectivity, therefore when color information display, eyeglass can only plate individual layer holographic film 302, the colored whole transmission of image information can be made and incident human eye 201.
Identical with the plated film lens 102 in embodiment two with embodiment one, eyeglass in embodiment three also can select the structure shown in Fig. 3 a and Fig. 3 b, compared with embodiment two, the vergence direction of the eyeglass in embodiment three is different, and because the holographic film 302 adopted is transmission-type holographic gratings, so the holographic film 302 in structure also only has one deck, other structures are identical with front two embodiments, repeat no more.
The present invention utilizes holographic film to the optical element replacing volume larger, both can ensure that the light of outside true environment can be arrived by user's normal observation, optical path modulation can be carried out again to the light of the virtual scene projected by display module, significantly simplify the optical texture of intelligent display device, alleviate the weight of product, expand the range of application of the intelligent display device of augmented reality, greatly added portability and the comfort level of product, greatly improve Consumer's Experience.
Simultaneously, the matrix of the optical lens of this intelligent display device can be common plane mirror or the lens with vision correction function, make this intelligent display device only can meet the demand of the use crowd suffering from myopia, long sight and astigmatism disease by a pair of glasses, making the consumer suffering from some ophthalmology disease can enjoy more comfortable consumption experience when using this intelligent display device, increasing the consumer's number suffering from ophthalmology disease of intelligent display device to a certain extent.
Wear-type augmented reality intelligent display device provided by the invention, simple and light, it is the augmented reality display device based on holographic technique, meets the user demand suffering from the consumer groups of the optical disorders such as myopia, long sight and astigmatism simultaneously.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (10)
1. a wear-type augmented reality intelligent display device, is characterized in that, comprises a framework that can wear, has on said frame:
Display module, for sending the light carrying image information;
Projection optical module, for by the ray cast of described display module outgoing to plated film lens;
Plated film lens, carries out diffraction for vision correction and to the light of described projection optical module outgoing, makes outside true environment enter human eye with the light of the virtual scene projected out simultaneously, and in retina blur-free imaging;
Described plated film lens comprises the transparent protective film that optical clear matrix and the single or multiple lift holographic film formed and outermost layer are formed thereon; Described display module and described projection optical module form integrative display assembly jointly.
2. wear-type augmented reality intelligent display device according to claim 1, it is characterized in that, the described framework worn is the shape of glasses or similar glasses, or has latch closure and be fixed on the helmet of head or the shape of the similar helmet.
3. wear-type augmented reality intelligent display device according to claim 1, is characterized in that, described display module be organic light-emitting diode display, quantum dot light emitting display, digital micromirror display, liquid crystal on silicon display in one or more.
4. wear-type augmented reality intelligent display device according to claim 1, is characterized in that, described projection optical module is the combination of single optical lens or multiple optical element.
5. wear-type augmented reality intelligent display device according to claim 1, is characterized in that, the optical clear matrix of described plated film lens is one or more in level crossing, concavees lens, convex lens, cylindrical mirror.
6. wear-type augmented reality intelligent display device according to claim 1, is characterized in that, described display module and described projection optical module are positioned over directly over described plated film lens, oblique upper, one or more positions in proceeds posterolateral position.
7. wear-type augmented reality intelligent display device according to claim 1, is characterized in that, described holographic film is reflective holographic grating or transmission-type holographic grating.
8. wear-type augmented reality intelligent display device according to claim 1, is characterized in that, also comprise:
Photographing module, for obtaining the real scene image being positioned at the first view directions, it comprises one or more in visible image capturing head, photographic IR head, degree of depth camera;
Microphone, for gathering the voice of user.
9. wear-type augmented reality intelligent display device according to claim 8, it is characterized in that, also comprise head tracking module, for obtaining head pose and the movement locus of user, it comprises one or more in the sensors such as gyroscope, accelerometer, magnetometer.
10. wear-type augmented reality intelligent display device according to claim 8, is characterized in that, also comprise wireless communication module, for wirelessly transmitting data.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610075988.7A CN105572877B (en) | 2016-02-03 | 2016-02-03 | A kind of wear-type augmented reality intelligent display device |
| PCT/CN2017/072320 WO2017133564A1 (en) | 2016-02-03 | 2017-01-24 | Head-mounted reality-augmented smart display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610075988.7A CN105572877B (en) | 2016-02-03 | 2016-02-03 | A kind of wear-type augmented reality intelligent display device |
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| Publication Number | Publication Date |
|---|---|
| CN105572877A true CN105572877A (en) | 2016-05-11 |
| CN105572877B CN105572877B (en) | 2018-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610075988.7A Active CN105572877B (en) | 2016-02-03 | 2016-02-03 | A kind of wear-type augmented reality intelligent display device |
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| WO (1) | WO2017133564A1 (en) |
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| CN111061056A (en) * | 2019-12-05 | 2020-04-24 | 深圳珑璟光电技术有限公司 | Monocular AR device based on holographic grating system |
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| DE102021114661A1 (en) | 2021-01-29 | 2022-08-04 | Sean Grant | Portable biometric device |
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| CN105572877B (en) | 2018-11-09 |
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