CN205750141U - A kind of stereo projection display apparatus - Google Patents

Abstract

The utility model discloses a kind of stereo projection display apparatus, including: equipment supporter, reflecting mirror, lens, spectroscope and eyepiece；It is provided with lens holder between upper bracket and the lower carriage of equipment supporter；It is symmetrically arranged with lens on lens holder end face；The closure that mobile device is horizontally set at the rear end of upper bracket and horizontal direction and two lens is identical；Reflecting mirror is placed in the front end of upper bracket, with the end face of lens holder at an angle, makes the image in mobile device display screen in reflecting mirror reflexes to lens；Eyepiece, spectroscope are respectively arranged at the end face of the front end of lower carriage, rear end, spectroscope and lens holder at an angle so that the image through lens shows in eyepiece.Described stereo projection display apparatus realizes the stereo projection display of mobile device by the design of light channel structure cleverly, be not only simple in structure, ingenious, and cost is extremely low, the on-the-spot outdoor scene of sight line front end can also be received simultaneously by spectroscope, and then improve viewing experience.

Description

A kind of stereo projection display apparatus

Technical field

This utility model relates to image display technology field, particularly relates to a kind of stereo projection display apparatus.

Background technology

Augmented reality (Augmented Reality is called for short AR), is to utilize dummy object or information to carry out real scene The technology that reality strengthens.Augmented reality is typically based on and images the actual physical situation shadow that first-class image capture device acquires , the content of text of association, picture material or image mould will be there is therewith by computer system discriminatory analysis and query and search in picture The extension information of the virtual generation such as type or virtual scene display are in actual physical situation image, so that user is obtained in that Related expanding information such as the mark of real-world object in the real physical environment being in, explanation or experience reality physical environment The enhancing visual effect three-dimensional, that highlight of middle real-world object.Augmented reality is by virtual objects and reality ring Border is merged fully, it is possible to effectively provide the user extension information or the image shows effect of true environment around cognition Really, realize user mutual with the information of surrounding true environment simultaneously.Meanwhile, flourish along with 3D Display Technique, 3D Stereo display technique affects the most revolutionaryly and changes the communication of people, Working and life styles.The feature of its maximum exists In stereo display people can be allowed to experience really enormous impact and ultimate attainment shock that stereoscopic vision is brought.Stereo display application section Skill technological means reduces the real three-dimensional world of the mankind, by the development trend of the Fashion of Future video science and technology.

But traditional stereo display technique, such as 3D film, TV etc., significantly limit the viewing place of user, and It is many for resolution, the angle of visual field and portability etc. that most of Portable stereoscopic display device on the market can not meet user The requirement of aspect.Although multi-functional miniaturized electronic display device can bring convenience for user, such as Google Glass, but this The display device of the most portable, miniaturization is generally with mechanisms such as circuit design so that total is more complicated, and then causes With high costs.Meanwhile, stereoscopic display device in the market is typically to be enclosed in the eye of human body one airtight environment In, it is that user realizes effect on the spot in person, but, so make user cannot observe the real true environment of outside, And user is typically only capable to actionless viewing display content, ultimately results in poor effect.

Utility model content

In view of this, the purpose of this utility model is to propose a kind of stereo projection display apparatus, can pass through light channel structure Design so that user is obtained in that effect preferably plays experience.

A kind of stereo projection display apparatus provided based on above-mentioned purpose this utility model, including: equipment supporter, reflection Mirror, lens, spectroscope and eyepiece；

The upper end of described equipment supporter is upper bracket, and lower end is to arrange between lower carriage, and described upper bracket and lower carriage There is lens holder；Two lens it are symmetrically arranged with on the end face of described lens holder；

Mobile device is horizontally set at the rear end of described upper bracket, and the closure phase of horizontal direction and two lens With；

Described reflecting mirror is arranged at the front end of described upper bracket, with the end face of described lens holder at an angle, makes shifting Image in dynamic device display screen curtain is in described reflecting mirror reflexes to two lens respectively；

Described eyepiece is arranged at the front end of described lower carriage, and described spectroscope is arranged at the rear end of described lower carriage, with institute State the end face of lens holder at an angle so that the image through described lens shows in eyepiece.

Optionally, the display screen of mobile device is vertical with the end face of described lens holder；Described reflecting mirror is with described The angle that the end face of mirror bracket is formed is 44～46 degree；Described spectroscope is 44 with the angle of the end face formation of described lens holder ～46 degree.

Optionally, described eyepiece is that interpupillary distance is apart from adjustable eyepiece.

Optionally, described equipment supporter includes: left side inserted sheet, right side inserted sheet, upper end inserted sheet, rear end inserted sheet；

Inserting structure is used to be mutually twisted fixing between described left side inserted sheet, right side inserted sheet, upper end inserted sheet, rear end inserted sheet； Described left side inserted sheet is symmetrically arranged with mobile device installing hole with the upper end of described right side inserted sheet；Described left side inserted sheet and the described right side The intermediate symmetry of side inserted sheet is provided with lens holder and fixes groove；Described left side inserted sheet is symmetrical arranged with the lower end of described right side inserted sheet Spectroscope is had to fix groove；Described spectroscope is fixed the side of groove and is provided with eyepiece and fixes groove.

Further, the position of described upper end inserted sheet correspondence mobile device side offers key hole.

Further, the length of described upper end inserted sheet is thick plus the upper end inserted sheet of twice equal to the length of mobile device screen Degree；The width of described upper end inserted sheet adds the upper end inserted sheet thickness of twice equal to the width of mobile device screen.

Optionally, the thickness of described lens holder is more than or equal to the thickness of described lens.

Optionally, said two lens centrosymmetry on the end face of described lens holder is arranged.

Optionally, the size of described reflecting mirror, lens diameter all relevant with the size of mobile device screen；

Distance between said two lens and the diameter of lens, the size of mobile device screen, the resolution of mobile device Rate is relevant；

Described spectroscopical size and the size of mobile device screen, the diameter of lens, lens focal length relevant；

The size of described eyepiece is relevant with spectroscopical size.

Further,

$Tb=arctg(2*\frac{u}{Sh-L})$

Ew=EF

$Eh=\sqrt{2*{\mathrm{EF}}^2}$

Rw=Sw+2*Ew

$Rh=\sqrt{2*{\mathrm{Sh}}^2}-\frac{(Sh-L)*cos(\frac{\mathrm{\π}}{4}-Tb)}{2*\cos (Tb-\frac{\mathrm{\π}}{8})}+2*Eh$

Wherein, Sh is the height of mobile device screen, and Sw is the width of mobile device screen；L is the diameter of lens, and u is Mobile device screen and the distance of lens, b is the angle of reflecting mirror and lens, and Tb is the arc-tangent value of angle, and EF is threshold value, Ew For width threshold value, Eh is height threshold, and Rh is the height of reflecting mirror, and Rw is the width of reflecting mirror；

$HRh=\frac{L*tan\left(Tb\right)}{cos\left(\frac{\mathrm{\π}}{4}\right)*(1+tan(Tb\left)\right)}$

HRw=Sw+Ew

Wherein, HRh, HRw are respectively spectroscopical height and width.

From the above it can be seen that the stereo projection display apparatus that this utility model provides, by mobile device is broadcast Put picture being reflected in two lens through reflecting mirror in screen, and then after the picture in screen is amplified, weight Being newly formed virtual image, the virtual image then formed, by spectroscopical reflection, enters in the eye of user through eyepiece, it is achieved The stereo projection display of mobile device.Described stereo projection display apparatus is designed by light channel structure cleverly, enabling Utilizing this device to realize the result of broadcast of stereo projection display of mobile device, on the one hand this device be not only simple in structure, ingenious, And cost is extremely low so that user can carry with or be worn over head position.On the other hand, this device is by arranging light splitting Mirror so that user is when watching the screen of mobile device, additionally it is possible to receive the on-the-spot outdoor scene of sight line front end, so so that user This device can not only be worn freely and experience stereo projection display, and coordinate certain outside outdoor scene or the specific broadcasting back of the body Scape, it is possible to realize better viewing experience.

Accompanying drawing explanation

The front end perspective view of the stereo projection display apparatus that Fig. 1 provides for this utility model；

The back end perspective view of the stereo projection display apparatus that Fig. 2 provides for this utility model；

The right perspective view of the stereo projection display apparatus that Fig. 3 provides for this utility model.

Detailed description of the invention

For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and Referring to the drawings, this utility model is further described.

It should be noted that the statement of all uses " first " and " second " is for district in this utility model embodiment The entity of point two same names non-equal or the parameter of non-equal, it is seen that " first " " second " only for the convenience of statement, Should not be construed as the restriction to this utility model embodiment, this is illustrated by subsequent embodiment the most one by one.

Stereo projection display apparatus described in the utility model be applicable to by mobile device screen play video or other Multimedia, by the regulation of light channel structure in this device, shows in the sight line of viewing user finally by eyepiece, and then realizes The penetration that mobile device expands to augmented reality wears the 3 d display device of retinal projection.Certainly, according to reality Using and need, mobile device described in the utility model can be chosen to be the various intelligent movable such as mobile phone, flat board eventually as required End.

Shown in reference Fig. 1, Fig. 2 and Fig. 3, a respectively enforcement of the stereo projection display apparatus that this utility model provides The front end perspective view of example, back end perspective view, right perspective view.Described stereo projection display apparatus, including: equipment supporter 1, reflection Mirror 13, lens (11a, 11b), spectroscope 12 and eyepiece 9.Described equipment supporter 1 is used for supporting whole display device, and will The remainder of display device is relatively fixed.When mobile device installation is fixed on described equipment supporter, mobile device screen Picture or the image play in Mu will pass sequentially through reflecting mirror 13, lens (11a, 11b), spectroscope 12, then pass through eyepiece Enter in the visual line of sight of user.

Concrete, the upper end of described equipment supporter 1 is upper bracket 101, and lower end is lower carriage 102, and described upper bracket 101 And it is provided with lens holder 3 between described lower carriage 102；Two lens it are symmetrically arranged with on the end face of described lens holder 3 (11a、11b).Described upper bracket 101 both could be arranged to integrative-structure with described lower carriage 102, it is also possible to is set to detachable Formula structure.Here, wear the position of described stereo projection display apparatus as start position using user, near eyes of user position The front end that one end is device, the other end is the rear end of device, and the left hand position of user is the left side of device, the position of user's right hand Being set to the right side of device, when normally wearing, the upper end being arranged above device of sight line, lower section is the lower end of device.

Mobile device (not shown) for playing is horizontally set at the rear end of described upper bracket 101, and described shifting The horizontal direction of dynamic equipment and the closure of two lens (11a, 11b) are identical so that the screen-picture of mobile device or figure Eyes as user the most corresponding after lens.Described reflecting mirror 13 is arranged at the front end of described upper bracket 101, with described The end face of mirror bracket 3 at an angle, makes the image in mobile device display screen reflex to respectively through described reflecting mirror 13 In two lens (11a, 11b), namely the reflecting surface of described reflecting mirror 13 is towards mobile terminal screen and lens (11a, 11b). Described eyepiece 9 is arranged at the front end of described lower carriage 102, and described spectroscope 12 is arranged at the rear end of described lower carriage 102, and institute State the end face of spectroscope 12 and described lens holder 3 at an angle so that the image through described lens (11a, 11b) passes through The reflective display of described spectroscope 12 is in eyepiece 9, and eventually enters in the sight line of user.

From above-described embodiment, stereo projection display apparatus described in the utility model is by playing screen by mobile device Image in Mu being reflected in two lens (11a, 11b) through reflecting mirror 13, and then by the figure in mobile device screen As being amplified and re-form virtual image, described in the reflection by spectroscope 12 of the virtual image that re-forms, through mesh Mirror 9 enters in the sight line of user, it is achieved that the stereo projection display of mobile device.Described stereo projection display apparatus is by ingenious Light channel structure design, enabling utilize this device to realize the result of broadcast of stereo projection display of mobile device, on the one hand, This device is not only simple in structure, ingenious, and cost is extremely low so that user can carry with or be worn over head position.Another Aspect, this device is by arranging spectroscope 12 so that user is when watching the screen picture of mobile device, owing to spectroscope is half The most semi-transparent structure, user can also receive the on-the-spot real scene of sight line front end.So so that user can not only be freely Wear this device and experience stereo projection display, and coordinate certain outside outdoor scene or specific broadcasting background, it is possible to realize effect More preferably viewing experience.Such as, outside giant-screen arranges the background or video being mutually matched with mobile device, when user is led to Cross described stereo projection display apparatus viewing video time, through spectroscope 12, additionally it is possible to see in giant-screen play background or Video.So, not only make the better directly perceived, effectively of Projection Display, and joining by external screen and mobile device Close and be capable of higher third dimension, sense of reality, and then improve the viewing experience degree of user.

In some optional embodiments of this utility model, the display screen of described mobile device and described lens holder 3 End face vertical；Described reflecting mirror 13 is 44～46 degree with the angle of the end face formation of described lens holder 3, preferably 45 degree； Described spectroscope 12 is 44～46 degree with the angle of the end face formation of described lens holder 3, preferably 45 degree；Preferably, eyepiece 9 Plane be parallel to mobile device screen plane.Wherein, the end face of described lens holder 3 refer to two described lens (11a, 11b) the end face that median plane is parallel to each other.Here angle refers to the acute angle that two end faces are formed.Such light path design makes Image in mobile terminal display screen curtain by the reflection of light path and transmission can be more complete the sight line projecting to user in, And the effect of its Projection Display is also more preferable, finally improves the display effect of described stereo projection display apparatus.

Further, it is possible to according to actual needs, regulate mobile device, reflecting mirror 13, lens (11a, 11b) accordingly, divide Position between light microscopic 12, eyepiece and angle, it is only necessary to make the image in the display screen of mobile device can through reflection, Can project to after the reflection of projection and spectroscope 12 in the sight line of user.In like manner, it is also possible to accordingly increase reflecting mirror, thoroughly Mirror or spectroscopical number, reach to extend optical path distance or the purpose of regulation optical circuit path.

Optionally, between described reflecting mirror 13 and mobile device top, there is certain gap, preferably 2mm-3mm, make The image obtaining mobile device screen top also is able to project in reflecting mirror 13, does not interferes with again the reflection of reflecting mirror 13 simultaneously.

In other optional embodiments of this utility model, described eyepiece 9 is that interpupillary distance is apart from adjustable eyepiece 9.Increase During the display of strong reality, virtual three-dimensional video imaging position possesses distance perspective, i.e. depth of view information.But for seeing in short distance Seeing the stereoscopic image that left images synthesizes, if forcing to show excessive depth of view information, when user uses equipment for a long time, can cause Visual fatigue.This utility model is by the distance between position before and after regulation eyepiece 9 or corresponding user's pupil, it is possible to make The light collection corresponding to virtual image of display is to user's lens photocentre position, to reach the effect close to retinal projection Really.So, the depth of field sense of virtual three-dimensional image will no longer be affected by crystalline lens focal length variations, i.e. the depth of field of virtual three-dimensional image Sense the most arbitrarily can change user.

Preferably, described stereo projection display apparatus also includes a calibration module, user's binocular left images pattern Stereoscopic vision, it is necessary to assure left images central point line and user's binocular line keeping parallelism state, otherwise user will be unable to Realize focusing, cause video ghost image to obscure.Therefore, stereo projection display apparatus of the present utility model arranges a calibrating die Block, it is possible to by sensor captured in real time user's head poses such as the gyroscopes of mobile device, real-time counter-rotating imaging, to protect Card left images central point line can be with binocular line keeping parallelism state.In such manner, it is possible to avoid the appearance ghost image of Projection Display Or unintelligible, and then improve display effect and the stability of described stereo projection display apparatus.

In some optional embodiments of this utility model, described equipment supporter 1 includes: left side inserted sheet 5b, right side inserted sheet 5a, upper end inserted sheet 7, rear end inserted sheet 6；Use between described left side inserted sheet 5b, right side inserted sheet 5a, upper end inserted sheet 7, rear end inserted sheet 6 Inserting structure is mutually twisted fixing.Such as, the marginal portion that each inserted sheet cooperates is set to the occlusion knot cooperated Structure, the engagement between similar gear.In such manner, it is possible to quickly realize the installation of described stereo projection display apparatus, dismounting with And the maintenance of parts, improve device service life.

Further, the upper end of described left side inserted sheet 5b and described right side inserted sheet 5a is symmetrically arranged with mobile device installing hole (1a, 1b), mobile device (such as mobile phone) is inserted in equipment supporter 1 by described mobile device installing hole (1a, 1b) and is carried out admittedly Fixed.The centre position of described left side inserted sheet 5b and described right side inserted sheet 5a is symmetrically arranged with lens holder and fixes groove 14a, opposite side Fixing groove do not show, the both sides of described lens holder 3 are provided with fixes, with described lens holder, the projection that groove 14a cooperates Or other structures so that described lens holder 3 securely fixes with equipment supporter.Described left side inserted sheet 5b and described right side inserted sheet 5a Lower end position be symmetrically arranged with spectroscope and fix groove 4a, be used for fixing spectroscope 12.The side of groove 4a fixed by described spectroscope It is provided with eyepiece and fixes groove (8a, 8b), for fixed eyepiece 9.Wherein, described mobile device installing hole (1a, 1b) is corresponding mobile The size that equipment is laterally disposed, described lens holder fixes groove 14a and cooperates with the projection of lens holder 3 both sides and be connected, institute State spectroscope to fix the two ends of groove 4a and spectroscope 12 and be connected.Certainly, described mobile device, lens holder 3, spectroscope 12 And eyepiece 9 is not limited to the structure shown in figure with the link position of equipment supporter, the structure being connected and form, it is also possible to Use other types of attachment.

Optionally, described lens holder 3 is provided with two lens cabins (10a, 10b) run through, described lens cabin (10a, 10b) corresponding respectively to two lens (11a, 11b), its size cooperates fixing connection.

Preferably, this utility model also includes mobile device adapter, does not shows in figure.Described mobile device adapter Side dimension cooperates with the size of the installing hole in equipment supporter and is connected, inner side then with the mobile device of all kinds of models Overall dimensions cooperates.So, by selecting the mobile device adapter of different model, it is possible to by different model and size Mobile device is arranged on equipment supporter 1, and then makes described stereo projection display apparatus can adapt to different mobile devices.

In other optional embodiments of this utility model, described equipment supporter 1 may be arranged as integral structure, Overall processing for example with the complete stereo projection display apparatus of Shooting Technique.In such manner, it is possible to the overall structure improving device is strong Degree and stability.

Further, described equipment supporter 1 is elastomeric material.So, processing and the requirement installed can on the one hand be reduced, separately On the one hand, resiliently mounted effect is played with remaining part when equipment supporter 1 is connected.Such as: described mobile device installing hole When the outside of (1a, 1b) has elasticity, it is possible to adapt to the mobile device of small size change, and elasticity can be utilized movement to be set For fixing.Or, upper bracket 101 part correspondence reflecting mirror 13 part of described equipment supporter 1, it is provided with one and reflection The groove structure that mirror 13 matching size closes, the depth dimensions of described groove structure is chosen as 1mm-3mm, preferably 2mm.When by anti- Penetrating mirror 13 when arranging in a groove, reflecting mirror 13 just can directly be fixed by the elasticity of described equipment supporter 1, without additionally Fixed structure.

In some preferred embodiments, the position of the corresponding mobile device side of described upper end inserted sheet 7 offers key hole (15a、15b).Described key hole (15a, 15b) cooperates with the side key of laterally disposed mobile device so that mobile After equipment is laterally fixed, it is also possible to realized control or the conciliation of mobile device by described key hole (15a, 15b).To user more Good viewing experience.

In other preferred embodiments, the length of described upper end inserted sheet 7 adds equal to the length of mobile device screen Upper end inserted sheet 7 thickness of twice；The width of described upper end inserted sheet 7 is slotting plus the upper end of twice equal to the width of mobile device screen Sheet 7 thickness.In such manner, it is possible to make the image that mobile device screen is corresponding to project away completely, and have so that whole vertical The volume of body projection display equipment is unlikely to excessive.

Further, the thickness of described lens holder 3 is more than or equal to the thickness of described lens (11a, 11b).In such manner, it is possible to enter One step is avoided scattering to other directions through the light of described lens (11a, 11b), and enables to lens (11a, 11b) Fixing more stable.

In some preferred embodiments, said two lens (11a, 11b) are on the end face of described lens holder 13 Centrosymmetry is arranged.So so that said two lens (11a, 11b) can more all and the light receiving reflection, and then Form more stable, the more preferable virtual image of effect.And then make the projection entering user's sight line more true, stable.

In other preferred embodiments, the size of described reflecting mirror, lens diameter all with mobile device screen Size is relevant；

Distance between said two lens and the diameter of lens, the size of mobile device screen, the resolution of mobile device Rate is relevant；

Described spectroscopical size and the size of mobile device screen, the diameter of lens, lens focal length relevant；

The size of described eyepiece is relevant with spectroscopical size.

Concrete,

$Tb=arctg(2*\frac{u}{Sh-L})$

Ew=EF

$Eh=\sqrt{2*{\mathrm{EF}}^2}$

Rw=Sw+2*Ew

$Rh=\sqrt{2*{\mathrm{Sh}}^2}-\frac{(Sh-L)*cos(\frac{\mathrm{\π}}{4}-Tb)}{2*\cos (Tb-\frac{\mathrm{\π}}{8})}+2*Eh$

Wherein, Sh is the height of mobile device screen, and Sw is the width of mobile device screen；L is the diameter of lens, and u is Mobile device screen and the distance of lens, b is the angle of reflecting mirror and lens, and Tb is the arc-tangent value of angle, and EF is threshold value, Ew For width threshold value, Eh is height threshold, and Rh is the height of reflecting mirror, and Rw is the width of reflecting mirror；Height described here is usual Referring to the above-below direction of sight line, width typically refers to the left and right directions of sight line.

$HRh=\frac{L*tan\left(Tb\right)}{cos\left(\frac{\mathrm{\π}}{4}\right)*(1+tan(Tb\left)\right)}$

HRw=Sw+Ew

Wherein, HRh, HRw are respectively spectroscopical height and width.

Those of ordinary skill in the field are it is understood that the discussion of any of the above embodiment is exemplary only, not It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under thinking of the present utility model, above reality Executing and can also be combined between the technical characteristic in example or different embodiment, step can realize with random order, and deposits In other change of many of different aspect of the present utility model as above, for they not offers in details simple and clear.

It addition, for simplifying explanation and discussing, and in order to this utility model indigestion will not be made, at the accompanying drawing provided In can illustrate or can not illustrate with integrated circuit (IC) chip and the known power supply/grounding connection of other parts.Additionally, Device can be shown in block diagram form, in order to avoid making this utility model indigestion, and this have also contemplated that following facts, The i.e. details about the embodiment of these block diagram arrangements is to depend highly on to implement platform of the present utility model (i.e., In the range of these details should be completely in the understanding of those skilled in the art).Elaborate detail (such as, circuit) with In the case of describing exemplary embodiment of the present utility model, it will be apparent to those skilled in the art that can be In the case of there is no these details or these details change in the case of implement this utility model.Therefore, this A little descriptions are considered as illustrative and not restrictive.

Although having been incorporated with specific embodiment of the utility model this utility model is described, but according to front The description in face, a lot of replacements, amendment and the modification of these embodiments will be apparent for those of ordinary skills 's.Such as, other memory architecture (such as, dynamic ram (DRAM)) can use discussed embodiment.

It is all such that embodiment of the present utility model is intended to fall within the broad range of claims Replace, revise and modification.Therefore, all within spirit of the present utility model and principle, any omission of being made, revise, be equal to Replacement, improvement etc., within should be included in protection domain of the present utility model.

Claims (10)

1. a stereo projection display apparatus, it is characterised in that including: equipment supporter, reflecting mirror, lens, spectroscope and mesh Mirror；

The upper end of described equipment supporter is upper bracket, and lower end is to be provided with between lower carriage, and described upper bracket and lower carriage Mirror bracket；Two lens it are symmetrically arranged with on the end face of described lens holder；

Mobile device is horizontally set at the rear end of described upper bracket, and the closure of horizontal direction and two lens is identical；

Described reflecting mirror is arranged at the front end of described upper bracket, with the end face of described lens holder at an angle, makes mobile setting Image in standby display screen is in described reflecting mirror reflexes to two lens respectively；

Described eyepiece is arranged at the front end of described lower carriage, and described spectroscope is arranged at the rear end of described lower carriage, with described The end face of mirror bracket is at an angle so that the image through described lens shows in eyepiece.

Stereo projection display apparatus the most according to claim 1, it is characterised in that the display screen of mobile device is with described The end face of lens holder is vertical；Described reflecting mirror is 44～46 degree with the angle of the end face formation of described lens holder；Described point Light microscopic is 44～46 degree with the angle of the end face formation of described lens holder.

Stereo projection display apparatus the most according to claim 1, it is characterised in that described eyepiece is interpupillary distance distance scalable Eyepiece.

Stereo projection display apparatus the most according to claim 1, it is characterised in that described equipment supporter includes: left side is inserted Sheet, right side inserted sheet, upper end inserted sheet, rear end inserted sheet；

Inserting structure is used to be mutually twisted fixing between described left side inserted sheet, right side inserted sheet, upper end inserted sheet, rear end inserted sheet；Described Left side inserted sheet is symmetrically arranged with mobile device installing hole with the upper end of described right side inserted sheet；Described left side inserted sheet is inserted with described right side The intermediate symmetry of sheet is provided with lens holder and fixes groove；The lower end of described left side inserted sheet and described right side inserted sheet is symmetrically arranged with point Light microscopic fixes groove；Described spectroscope is fixed the side of groove and is provided with eyepiece and fixes groove.

Stereo projection display apparatus the most according to claim 4, it is characterised in that described upper end inserted sheet correspondence mobile device The position of side offers key hole.

Stereo projection display apparatus the most according to claim 4, it is characterised in that

The length of described upper end inserted sheet adds the upper end inserted sheet thickness of twice equal to the length of mobile device screen；

The width of described upper end inserted sheet adds the upper end inserted sheet thickness of twice equal to the width of mobile device screen.

Stereo projection display apparatus the most according to claim 1, it is characterised in that the thickness of described lens holder is more than Thickness in described lens.

Stereo projection display apparatus the most according to claim 1, it is characterised in that said two lens are in described lens torr On the end face of frame, centrosymmetry is arranged.

Stereo projection display apparatus the most according to claim 1, it is characterised in that

The size of described reflecting mirror, lens diameter all relevant with the size of mobile device screen；

The diameter of the distance between said two lens and lens, the size of mobile device screen, the resolution of mobile device have Close；

Described spectroscopical size and the size of mobile device screen, the diameter of lens, lens focal length relevant；

The size of described eyepiece is relevant with spectroscopical size.

Stereo projection display apparatus the most according to claim 9, it is characterised in that

$Tb=arctg(2*\frac{u}{Sh-L})$

Ew=EF

$Eh=\sqrt{2*{\mathrm{EF}}^2}$

Rw=Sw+2*Ew

$Rh=\sqrt{2*{\mathrm{Sh}}^2}-\frac{(Sh-L)*cos(\frac{\mathrm{\π}}{4}-Tb)}{2*\cos (Tb-\frac{\mathrm{\π}}{8})}+2*Eh$

Wherein, Sh is the height of mobile device screen, and Sw is the width of mobile device screen；L is the diameter of lens, and u is for mobile Device screen and the distance of lens, b is the angle of reflecting mirror and lens, and Tb is the arc-tangent value of angle, and EF is threshold value, and Ew is wide Degree threshold value, Eh is height threshold, and Rh is the height of reflecting mirror, and Rw is the width of reflecting mirror；

$HRh=\frac{L*tan\left(Tb\right)}{cos\left(\frac{\mathrm{\π}}{4}\right)*(1+tan(Tb\left)\right)}$

HRw=Sw+Ew

Wherein, HRh, HRw are respectively spectroscopical height and width.