CN207440416U - Head-wearing display device - Google Patents
Head-wearing display device Download PDFInfo
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- CN207440416U CN207440416U CN201721571088.8U CN201721571088U CN207440416U CN 207440416 U CN207440416 U CN 207440416U CN 201721571088 U CN201721571088 U CN 201721571088U CN 207440416 U CN207440416 U CN 207440416U
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Abstract
The utility model provides a kind of head-wearing display device.The head-wearing display device includes image display, optical combiner and infrared receiving/transmission module.Optical combiner includes the bridgeware that plane wave can be converted to spherical wave.Infrared receiving/transmission module includes infrared receiver and infrared emission unit.The optical axis of bridgeware and the optical axis of infrared receiver are substantial parallel or coaxial.The image light exported by image display amplifies through optical combiner and reflexes to human eye formation virtual image.The infrared light covering human eye scope of infrared emission unit transmitting, the human eye virtual image of the human eye after optical combiner projects are obtained by infrared receiver.The head-wearing display device realizes infrared receiver and is obtained with image of clearly looking straight without face human eye, verified available for eye tracking, iris recognition identification etc..
Description
Technical field
The utility model is related to wear display technology field, in particular to a kind of head-wearing display device.
Background technology
Head-mounted display (HMD, Head mounted display) is a kind of including at least a micro display device (figure
Image source module), the nearly eye display device of display optical system and support construction.It is answered with the development of emerging technology with extensive
The safety issues such as use will also highlight with the protection and payment of, the individual privacy used；By coded lock, fingerprint is common
Authentication mode, and iris recognition identification certification is considered as to be only second to the biotechnology of DNA identifications, by iris recognition technology
It solves user applied to head-wearing display device and is using the Authentication Questions such as access right, the transaction payment of display device,
It is technology trends.
The camera of iris recognition module requirement shooting eye image is right against human eye, most effective, most reliable to obtain
Eye image.And, it is desirable that the physical distance of camera of the human eye away from shooting eye image is more than the nearest working distance of camera
From the nearest operating distance is usually between 300mm~3m.And in the prior art, wearing, which has, is right against human eye shooting human eye
After the head-wearing display device of the camera of image, physical distance of the human eye away from camera is generally less than 100mm.Therefore, it is existing
The eye image of head-wearing display device shooting is unintelligible, then iris recognition is caused to malfunction.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of displays of wearing that disclosure satisfy that iris recognition requirement to fill
It puts, to solve the above problems.
To achieve the above object, the utility model provides following technical solution：
The utility model preferred embodiment provides a kind of head-wearing display device, including image display, optical combiner and
Infrared receiving/transmission module, the optical combiner include the bridgeware that plane wave can be converted to spherical wave, the infrared receiving/transmission mould
Group includes infrared receiver and infrared emission unit；
The optical axis of the optical axis of the bridgeware and the infrared receiver is substantial parallel or coaxial；
The image light exported by described image display, amplifies through the optical combiner and reflexes to human eye and form void
Intend image；The infrared light covering human eye scope of the infrared emission unit transmitting, human eye is after optical combiner projection
The human eye virtual image is obtained by the infrared receiver.
Optionally, the bridgeware is diffraction plane or continuous convex surface.
Optionally, the bridgeware includes plane and imaging lens arrangement.
Optionally, the imaging lens arrangement is fixed-focus imaging lens arrangement or varifocal imaging lens subassembly.
Optionally, the imaging lens arrangement is at least one in liquid crystal lens, liquid lens and mechanical zoom lens group
It is a.
Optionally, described image display is self-luminous display.
Optionally, described image display includes image-display units, polarization spectro component and lighting source, described image
Display unit is reflective；
The light beam of lighting unit output is transmitted through the polarization spectro component, and S-polarization light beam is reflected by polarization spectro component
To described image display unit, described image display unit carries out light according to the gray scale of image to be displayed at this time to S-polarization light beam
Energy modulation is converted to P polarization light beam through the modulated light beam of described image display unit, and P polarization light beam is again passed through described
Enter after polarization spectro component in the optical combiner.
Optionally, the infrared emission unit is integrated in one with described image display.
Optionally, described image display includes image-display units and lighting unit, and described image display unit is
Penetrate formula；
The illuminating bundle of lighting unit output is incident to image-display units, and image-display units are according to figure to be shown at this time
The gray scale of picture carries out light energy modulation to illuminating bundle, and modulated light beam is directly entered in optical combiner.
Optionally, described image display includes image-display units and lighting unit, and described image display unit is anti-
Formula is penetrated, polarization beam splitter is provided in the optical combiner；
The light beam of lighting unit output is transmitted through the polarization beam splitter, the S-polarization light beam transmission in illuminating bundle
To image-display units, described image display unit carries out light energy according to the gray scale of image to be displayed at this time to S-polarization light beam
Modulation is converted to P polarization light beam through the modulated light beam of described image display unit, and P polarization light beam is again by the polarization point
Light film reflects.
Head-wearing display device provided by the utility model is by setting bridgeware and making the optical axis of the bridgeware and described
The reception optical axis of infrared receiver is substantial parallel or coaxial, to form the human eye virtual image, and the human eye virtual image is made to be connect away from infrared
The distance for receiving unit is more than the nearest operating distance of infrared receiver, to be obtained by infrared receiver.It is it is achieved thereby that red
Outer receiving unit is obtained with image of clearly looking straight without face human eye, is tested available for eye tracking, iris recognition identification
Card etc..Wherein, image of looking straight refers to be equivalent to the eye image of the shooting angle shooting of face human eye.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of block diagram for head-wearing display device that the utility model preferred embodiment provides.
Fig. 2 is the structure chart of head-wearing display device in an embodiment.
Fig. 3 is the light path schematic diagram that the virtual image of head-wearing display device in Fig. 2 is shown.
Fig. 4 is the light path schematic diagram that head-wearing display device carries out human eye virtual image forming in Fig. 2.
Fig. 5 is the structure chart of head-wearing display device in another embodiment.
Fig. 6 is the structure chart of head-wearing display device in another embodiment.
Fig. 7 is the structure chart of head-wearing display device in another embodiment.
Fig. 8 is the structure chart of head-wearing display device in another embodiment.
Fig. 9 is the structure chart of head-wearing display device in another embodiment.
Icon：100- head-wearing display devices；1- image displays；2- infrared receiving/transmission modules；3- optical combiners；30- turns
Change part；21- infrared emission units；22- infrared receivers；31- first instances；32- second instances；The 3rd entities of 33-；34-
4th entity；The 5th entities of 35-；S355- end faces；The first adjacent surfaces of S312-；The second adjacent surfaces of S324-；S334- third phases are adjacent
Face；The 4th adjacent surfaces of S313-；The 5th adjacent surfaces of S345-；S311- concave surfaces；11- lighting units；12- polarization spectro components；13-
Image-display units；111-LED lamps；112- fly's-eye lenses；113- expands microscope group；211- infrared light supplies；212- spectroscopes；213-
Infrared total reflection mirror；114- speculums；301- imaging lens arrangements.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe.Obviously, described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be matched somebody with somebody with a variety of
It puts to arrange and design.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Reality based on the utility model
Example is applied, those skilled in the art's all other embodiments obtained on the premise of creative work is not made belong to
The scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.In the utility model
In description, term " first ", " second ", " the 3rd ", " the 4th " etc. are only used for distinguishing description, and it is not intended that being or implying
Relative importance.
Referring to Fig. 1, the utility model preferred embodiment provides a kind of head-wearing display device 100, including image display
1st, infrared receiving/transmission module 2 and optical combiner 3.
The optical combiner 3 includes the bridgeware 30 that plane wave can be converted to spherical wave.The infrared receiving/transmission module 2
Including infrared emission unit 21 and infrared receiver 22.The optical axis of the bridgeware 30 and connecing for the infrared receiver 22
It is substantial parallel or coaxial to receive optical axis.Wherein, it is substantial parallel or coaxial refer to close to parallel or coaxial.For the bridgeware
The reception optical axis of 30 optical axis and the infrared receiver 22 have in tolerance interval low-angle deviation and substantially
It is parallel or coaxial.
The image light exported by described image display 1, amplifies through optical combiner 3 and reflexes to human eye and formed virtually
Image.The infrared light covering human eye scope that the infrared emission unit 21 emits, human eye is after the optical combiner 3 projection
The human eye virtual image is obtained by the infrared receiver 22.
The head-wearing display device 100 that the utility model preferred embodiment provides is by setting bridgeware 30 and making the conversion
The reception optical axis of the optical axis of part 30 and the infrared receiver 22 is substantial parallel or coaxial, to form the human eye virtual image, and makes
The distance of the human eye virtual image away from infrared receiver 22 is more than the nearest operating distance of infrared receiver 22, with by infrared receiver
Unit 22 obtains.It is achieved thereby that infrared receiver 22 is obtained with image of clearly looking straight without face human eye, can use
Verified in eye tracking, iris recognition identification etc..Wherein, image of looking straight refers to be equivalent to the shooting angle shooting with face human eye
Eye image.
Since image display 1, the structure of optical combiner 3 and infrared receiving/transmission module 2 and set-up mode can have very much
Kind.Therefore, conceived based on above-mentioned utility model, the concrete structure of head-wearing display device 100 may be, but not limited to, such as Fig. 2, figure
5th, shown in Fig. 6, Fig. 7, Fig. 8 and Fig. 9.It is to be understood that for ease of description, Fig. 2, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and shown in Fig. 9 wear
Display device 100 is presented in the form of monocular.Those skilled in the art can be according to such as Fig. 2, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and figure
Structure shown in 9 releases structure when head-wearing display device 100 is binocular.
As shown in Fig. 2, Fig. 2 is the structure chart of head-wearing display device 100 in an embodiment.Image display 1 is spontaneous
1 OLED of light R, G, B image three-colo(u)r display.Optical combiner 3 include first instance 31, second instance 32, the 3rd entity 33,
4th entity 34 and the 5th entity 35.First instance 31, second instance 32, the 3rd entity 33, the 4th entity 34 and the 5th entity
35 can be glued together by optical cement.Bridgeware 30 is the end face S355 of the 5th entity 35, and the end face S355 is continuous
Convex surface.
The infrared receiver 22 is close to the bridgeware 30, and the optical axis of the bridgeware 30 and the infrared receiver
The optical axis OG of unit 22 is substantial parallel or coaxial.Image display 1 is arranged at the 4th entity 34 and the 5th entity 35
Top.Infrared emission unit 21 can be infrared LED light source, can be positioned over head-wearing display device 100 any one, can cover
Human eye scope and the visual field of projection imaging and default external environment field of view will not be caused to block.Optionally, originally
In embodiment, infrared emission unit 21 is disposed in proximity to the one side of bridgeware 30.Infrared receiver 22 can be infrared phase
Machine.
The face adjacent with second instance 32 of first instance 31 and/or second instance 32 face adjacent with first instance 31 are remembered
For the first adjacent surface S312.Then the first adjacent surface S312 can be the face adjacent with second instance 32 of first instance 31, also may be used
To be the face adjacent with first instance 31 of second instance 32, the adjacent with second instance 32 of first instance 31 can also be included
Face and the face adjacent with first instance 31 of second instance 32.Similarly, by the face adjacent with the 4th entity 34 of second instance 32 and/
Or the 4th the face adjacent with second instance 32 of entity 34 be denoted as the second adjacent surface S324.By the 3rd entity 33 and 34 phase of the 4th entity
Adjacent face and/or the 4th entity 34 face adjacent with the 3rd entity 33 is denoted as third phase proximal surface S334.By first instance 31 and
The adjacent face of three entities 33 and/or the 3rd entity 33 face adjacent with first instance 31 are denoted as the 4th adjacent surface S313.By the 4th
The face adjacent with the 5th entity 35 of entity 34 and/or the 5th entity 35 face adjacent with the 4th entity 34 are denoted as the 5th adjacent surface
S345.Wherein the first adjacent surface S312 and third phase proximal surface S334 are coplanar, and the second adjacent surface S324 and the 4th adjacent surface S313 are total to
Face.5th adjacent surface S345 is identical with the inclined direction of the second adjacent surface S324 and the 4th adjacent surface S313.
What the first adjacent surface S312 was coated with visible light wave range can thoroughly can anti-film.The second adjacent surface S324 and the 4th
Adjacent surface S313 is coated with infrared band and is all-trans film.The third phase proximal surface S334 be coated with visible light wave range can thoroughly can anti-film and
The anti-reflection film of infrared band.The 5th adjacent surface S345 is coated with the anti-reflection of be all-trans film and the infrared band of visible light wave range
Film.The first instance 31 includes concave surface S311, and the concave surface S311 is coated with the film that is all-trans of visible light wave range.
By above-mentioned setting, the light path schematic diagram that the virtual image of the head-wearing display device 100 is shown is as shown in Figure 3.Figure
As the light beam for carrying image to be displayed information that display 1 is sent through the 5th adjacent surface S345 total reflection after, through the first phase
After proximal surface S312, the second adjacent surface S324, third phase proximal surface S334 and the 4th adjacent surface S313, after concave surface S311 amplification reflections
Human eye is reflected by the first adjacent surface S312 and third phase proximal surface S334.
As shown in figure 4, when the head-wearing display device 100 carries out human eye virtual image forming, infrared emission unit 21 emits red
Outer light covers human eye scope, and human eye reflection or the infrared light scattered are reflected through the second adjacent surface S324 and third phase proximal surface S334
Afterwards, through the 5th adjacent surface S345.Since the infrared receiver 22 is close to the bridgeware 30, and the bridgeware 30
The optical axis of optical axis and the infrared receiver 22 is substantial parallel or coaxial, therefore adjacent through the second adjacent surface S324 and third phase
Face S334 reflects, and infrared receiver 22 can look straight to human eye imaging.Human eye is to the physical distance L1+ of infrared receiver 22
L2 is very short, usually less than 100mm.And the nearest operating distance of infrared receiver 22 is typically much deeper than this value, usually in 300mm
Between~3m.Therefore, if the light that infrared receiver 22 directly reflects the second adjacent surface S324 and third phase proximal surface S334
It is imaged, then cannot obtain clearly human eye picture.To solve the above problems, display is worn in the utility model embodiment offer
Device 100 includes plane wave can be converted to spherical wave bridgeware 30.Bridgeware 30, the 5th entity 35, the 4th entity 34 and
Three entities 33 have collectively constituted the positive focus lens with positive focal length.It can positive focus lens by the curvature for setting bridgeware 30
Focal plane near human eye position.Bridgeware 30 can form the human eye virtual image at infrared receiver 22L, red
Outer receiving unit 22 to human eye virtual image forming infrared receiver 22 receiving plane.Wherein, L can be more than 500mm or even reach
To 5m, then L falls in the range of the operating distance of infrared receiver 22, and the distance for meeting 22 blur-free imaging of infrared receiver will
It asks.Clearly as the imaging effect of bridgeware 30 increases human eye to the Equivalent Physical distance of infrared receiver 22 indirectly,
Infrared receiver 22 is enabled to obtain the clear image of looking straight of human eye.Under normal conditions, it is the infrared of raising human eye reflection
The transmitance of light can also plate infrared anti-reflection film to bridgeware 30.
It is to be understood that the structure of optical combiner 3 is not limited to above-mentioned structure, when image display 1 and infrared receiver module
Set-up mode when changing, the structure of optical combiner 3 can make corresponding variation.
As shown in figure 5, Fig. 5 is the structure chart of head-wearing display device 100 in another embodiment.It is similar with Fig. 2, it is different
It is：Image display 1 includes lighting unit 11, polarization spectro component 12 and image-display units 13.
Lighting unit 11 is used to provide illuminating bundle for image-display units 13.Lighting unit 11 can include LED light
111st, fly's-eye lens 112 and microscope group 113 is expanded.Lighting unit 11 provides monochromatic light.Image-display units 13 can be reflective
, such as reflective LCoS display device.Polarization spectro component 12 is incident non-polarized light can be divided into two beams vertically
Line polarisation, wherein P polarisations are completely by and a kind of optical element that S polarisations are reflected with 45 degree of angles.In the present embodiment, polarization
Spectrum groupware 12 can be PBS prisms (polarization beam splitter, polarization splitting prism).
When it is implemented, the light beam that LED light 111 exports passes through fly's-eye lens 112 and expands 113 even beam of microscope group and expand
Afterwards, into polarization spectro component 12, S-polarization light beam reflexes to image-display units 13, image display by polarization spectro component 12
Unit 13 carries out light energy modulation according to the gray scale of image to be displayed at this time to S-polarization light beam, is modulated through image-display units 13
Light beam afterwards is converted to P polarization light beam, and P polarization light beam enters after being again passed through polarization spectro component 12 in optical combiner 3.
As shown in fig. 6, Fig. 6 is the structure chart of head-wearing display device 100 in another embodiment.It is similar with Fig. 5, it is different
It is：Infrared emission unit 21 is integrated with image display 1.Infrared emission unit 21 includes infrared light supply 211 and light splitting
Mirror 212.
Infrared light supply 211 can be infrared LED light source or infrared LD light sources.Spectroscope 212 is coated with infrared band
Be all-trans the transmission film of film and visible light wave range.Spectroscope 212 can be obliquely installed between LED light 111 and fly's-eye lens 112,
The infrared ray that infrared light supply 211 emits is split after the reflection of mirror 212, by fly's-eye lens 112 and expands 113 even beam of microscope group and expansion
Shu Hou, into polarization spectro component 12, S-polarization light beam reflexes to image-display units 13 by polarization spectro component 12, and image is shown
Show that unit 13 carries out light energy modulation to S-polarization light beam, P polarization light is converted to through 13 modulated light beam of image-display units
Beam, P polarization light beam enter after being again passed through polarization spectro component 12 in optical combiner 3.In the present embodiment, due to infrared light supply
The beam Propagation process of 211 beam Propagation process and the image display in image display 1 is consistent, therefore infrared emission list
The infrared light of 21 transmitting of member is the irradiation of face human eye and energy is concentrated, and capacity usage ratio is high, and infrared radiation is uniform.
In order to enhance the infrared energy for being irradiated to human eye, optionally, infrared emission unit 21 further includes infrared total reflection mirror
213.The infrared total reflection mirror 213 can will transmit through the infrared P polarization light beam of polarization spectro component 12 and be converted to S-polarization light
Beam, S-polarization light beam enters after the reflection of polarization spectro component 12 in optical combiner 3 after conversion.Further, infrared emission list
Member 21 can also include a quarter slide (in order to save length, being not shown in figure).The a quarter slide is arranged at institute
It states between infrared total reflection mirror 213 and polarization spectro component 12.Likewise, a quarter slide is for inclined by infrared P
The light beam that shakes is converted to S-polarization light beam.
As shown in fig. 7, Fig. 7 is the structure chart of head-wearing display device 100 in another embodiment.It is similar with Fig. 5, it is different
It is：Image display 1 does not include polarization spectro component 12.Lighting unit 11 further includes speculum 114.Image-display units 13
Between the optical combiner 3 and lighting unit 11.Described image display unit 13 is transmissive display.
The illuminating bundle that lighting unit 11 exports is incident to image-display units 13, and image-display units 13 according to treating at this time
Show that the gray scale of image carries out light energy modulation to illuminating bundle, modulated light beam is directly entered in optical combiner 3.
Compared with the head-wearing display device 100 shown in Fig. 5, since image display 1 does not include polarization spectro component 12, make
100 more compact structure of head-wearing display device is obtained, weight is lighter.
As shown in figure 8, Fig. 8 is the structure chart of head-wearing display device 100 in another embodiment.It is similar with Fig. 7, it is different
It is：Image-display units 13 are located at the lower section of the optical combiner 3.5th adjacent surface S345 is coated with polarization beam splitter, without
Plate the film that is all-trans of visible light wave range.4th entity 34 and the 5th entity 35 composition polarizing beam splitter.The polarization beam splitter causes
Five adjacent surface S345 penetrate S-polarization light, to P polarization light reflection.5th adjacent surface S345 and the first adjacent surface S312 and the 3rd
The inclined direction of adjacent surface S334 is identical.
When it is implemented, when the light beam that lighting unit 11 exports is transmitted through the 5th adjacent surface S345, the S in illuminating bundle is inclined
The light beam that shakes is transmitted to image-display units 13, and image-display units 13 are according to the gray scale of image to be displayed at this time to S-polarization light beam
Light energy modulation is carried out, P polarization light beam is converted to through 13 modulated light beam of image-display units, P polarization light beam is again by the
Five adjacent surface S345 reflect.
Compared with the head-wearing display device 100 shown in Fig. 5, since image display 1 shares the part structure of optical combiner 3
Part so that 100 more compact structure of head-wearing display device, weight are lighter.
For Fig. 2, Fig. 5, Fig. 6, Fig. 7 and structure shown in Fig. 8, bridgeware 30 is the end face S355 of the 5th entity 35, institute
End face S355 is stated as continuous convex surface.In other embodiments, when bridgeware 30 is the end face S355 of the 5th entity 35,
The end face S355 can also be substituted with the diffraction structure with similary light convergence function.As that can select in known technology
Hologram diffraction or binary diffraction structure.Optionally, the end face S355 is diffraction plane.The diffraction plane is to lose in the plane
Be carved with the binary diffraction structure to infrared light with diffraction or on a transparent substrate in a manner of optical veneering gluing has diffraction
The hologram diffraction flat-panel component of functional membrane.
In addition, the bridgeware 30 can also include plane and imaging lens arrangement 301, as shown in Figure 9.The plane is
The end face S355 of 5th entity 35.The imaging lens arrangement 301 be arranged at optical combiner 3 and infrared receiver 22 it
Between.The group that imaging lens arrangement 301 is formed with the 5th entity 35, the 4th entity 34 and the 3rd entity 33 in optical combiner 3
Closing lens group has the equivalent optical imaging effect of the positive focus lens described in the respective embodiments described above.The imaging lens arrangement
301 can be fixed-focus imaging lens arrangement 301 or varifocal imaging lens subassembly 301.
For example, this imaging lens arrangement 301 is autozoom lens group.Due to each user and head-wearing display device
100 distance varies with each individual, and autozoom lens group can set the different focal lengths of lens according to different users, to obtain
Obtain best optical imaging effect.Autozoom lens group can use liquid lens, liquid crystal lens, machinery in known technology
Variable focus lens package etc. has the lens module of zoom function.Optionally, the imaging lens arrangement 301 in the present embodiment is saturating for liquid crystal
Mirror.In specific implementation process, liquid crystal lens are first put in order as no coke-like state, and infrared receiver 22 receives the infrared image of human eye, when
After infrared receiver 22 detects that imaging is unintelligible, liquid crystal lens are by continuous modulation to different focal lengths, each liquid crystal
When lens are modulated onto a certain definite focal length, the infrared image that infrared receiver 22 receives a human eye is detected and judges people
Whether the infrared imaging of eye is clear, and after detecting that human eye infrared imaging is clear, liquid crystal lens keep focal length at this time constant.Make
When user uses above-mentioned head-wearing display device 100 each time, autozoom lens group all proceeds as described above, to ensure infrared connect
Receive the clear imaging picture of looking straight that unit 22 obtains human eye.
It is clear that when the head-wearing display device 100 is virtual reality display device, the head-wearing display device 100 is also
Including wearing, eyeshade, shading piece and above-mentioned image display 1, infrared receiving/transmission module 2 and optical combiner 3 are connected
Structural member.The shading piece is used to prevent ambient light from transmiting into human eye by the optical combiner 3.The eyeshade is used for
Human eye is covered at, prevents that ambient light is directly pleasing to the eye.
When the head-wearing display device 100 is augmented reality glasses, which further includes the component of wearing
(such as temple) and the structural member for connecting above-mentioned image display 1, infrared receiving/transmission module 2 and optical combiner 3.Image
Display 1 is used for the virtual display to the artificial additional information of real world.Real world light passes through the light
It learns combiner 3 and is directly transmitted into human eye.Since the infrared receiver 22 does not have face human eye, without interference with user to true
The reception of world environments light.
The head-wearing display device 100 that the utility model embodiment provides realizes infrared receiver 22 without face people
Eye is obtained with image of clearly looking straight, verified available for eye tracking, iris recognition identification etc..
Any feature disclosed in this specification (including any accessory claim, summary and attached drawing), except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.I.e., unless specifically stated, each feature
It is an example in a series of equivalent or similar characteristics.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modifications, equivalent replacements and improvements are made should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of head-wearing display device, which is characterized in that including image display, optical combiner and infrared receiving/transmission module, institute
Stating optical combiner includes the bridgeware that plane wave can be converted to spherical wave, and the infrared receiving/transmission module includes infrared receiver list
Member and infrared emission unit；
The optical axis of the optical axis of the bridgeware and the infrared receiver is substantial parallel or coaxial；
The image light exported by described image display amplifies through the optical combiner and reflexes to human eye formation virtual graph
Picture；The infrared light covering human eye scope of the infrared emission unit transmitting, human eye of the human eye after optical combiner projection
The virtual image is obtained by the infrared receiver.
2. head-wearing display device according to claim 1, which is characterized in that the bridgeware is diffraction plane or continuous
Convex surface.
3. head-wearing display device according to claim 1, which is characterized in that the bridgeware includes plane and imaging len
Component.
4. head-wearing display device according to claim 3, which is characterized in that the imaging lens arrangement is saturating for fixed-focus imaging
Mirror assembly or varifocal imaging lens subassembly.
5. head-wearing display device according to claim 3, which is characterized in that the imaging lens arrangement for liquid crystal lens,
It is at least one in liquid lens and mechanical zoom lens group.
6. according to claim 1-5 any one of them head-wearing display devices, which is characterized in that described image display is spontaneous
Light type display.
7. according to claim 1-5 any one of them head-wearing display devices, which is characterized in that described image display includes figure
As display unit, polarization spectro component and lighting source, described image display unit is reflective；
The light beam of lighting unit output is transmitted through the polarization spectro component, and S-polarization light beam reflexes to institute by polarization spectro component
Image-display units are stated, described image display unit carries out light energy according to the gray scale of image to be displayed at this time to S-polarization light beam
Modulation, is converted to P polarization light beam, P polarization light beam is again passed through the polarization through the modulated light beam of described image display unit
Enter after spectrum groupware in the optical combiner.
8. according to claim 1-5 any one of them head-wearing display devices, which is characterized in that the infrared emission unit and institute
Image display is stated to be integrated in one.
9. according to claim 1-5 any one of them head-wearing display devices, which is characterized in that described image display includes figure
As display unit and lighting unit, described image display unit is transmission-type；
The illuminating bundle of lighting unit output is incident to image-display units, and image-display units are according to image to be displayed at this time
Gray scale carries out light energy modulation to illuminating bundle, and modulated light beam is directly entered in optical combiner.
10. according to claim 1-5 any one of them head-wearing display devices, which is characterized in that described image display includes
Image-display units and lighting unit, described image display unit are reflective, and polarization is provided in the optical combiner
Spectro-film；
The light beam of lighting unit output is transmitted through the polarization beam splitter, and the S-polarization light beam in illuminating bundle is transmitted to figure
As display unit, described image display unit carries out light energy modulation according to the gray scale of image to be displayed at this time to S-polarization light beam,
P polarization light beam is converted to through the modulated light beam of described image display unit, P polarization light beam is anti-by the polarization beam splitter again
It penetrates.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721571088.8U CN207440416U (en) | 2017-11-22 | 2017-11-22 | Head-wearing display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721571088.8U CN207440416U (en) | 2017-11-22 | 2017-11-22 | Head-wearing display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107765435A (en) * | 2017-11-22 | 2018-03-06 | 深圳创维新世界科技有限公司 | Head-wearing display device |
| CN110740235A (en) * | 2019-10-14 | 2020-01-31 | Oppo广东移动通信有限公司 | Electronic equipment and camera module thereof |
| CN112946895A (en) * | 2021-02-02 | 2021-06-11 | 业成科技（成都）有限公司 | Head-mounted display device |
-
2017
- 2017-11-22 CN CN201721571088.8U patent/CN207440416U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107765435A (en) * | 2017-11-22 | 2018-03-06 | 深圳创维新世界科技有限公司 | Head-wearing display device |
| CN110740235A (en) * | 2019-10-14 | 2020-01-31 | Oppo广东移动通信有限公司 | Electronic equipment and camera module thereof |
| CN112946895A (en) * | 2021-02-02 | 2021-06-11 | 业成科技（成都）有限公司 | Head-mounted display device |
| CN112946895B (en) * | 2021-02-02 | 2022-09-20 | 业成科技（成都）有限公司 | Head-mounted display device |
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