CN205983393U - Near -to -eye display system, virtual reality equipment and augmented reality equipment - Google Patents
Near -to -eye display system, virtual reality equipment and augmented reality equipment Download PDFInfo
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- CN205983393U CN205983393U CN201620699532.3U CN201620699532U CN205983393U CN 205983393 U CN205983393 U CN 205983393U CN 201620699532 U CN201620699532 U CN 201620699532U CN 205983393 U CN205983393 U CN 205983393U
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Abstract
The utility model discloses a near -to -eye display system, virtual reality equipment and augmented reality equipment, near -to -eye display system include laser lamp -house, beam splitter assembly, scanning fiber array and first concave surface speculum, and beam splitter assembly includes a MN output, and every output is provided with a photoswitch, and scanning fiber array includes a MN optical fiber bundle, and a MN optical fiber bundle links to each other with a MN output one by one, and M and N are more than or equal to 2's positive integer, laser that laser lamp -house sent is falld into a MN light beam when beam splitter assembly, the light beam of output that the photoswitch that is in the state of opening among the beam splitter assembly corresponds is reflected the eye to the people by first concave surface speculum after passing through to scan fiber array. Because the light beam of every optical fiber bundle output is a taper shape, along with the increase of light path, the width of light beam can the escalation to the exit pupil diameter of near -to -eye display system can be increased, thereby the strict restriction of the position examined is reduced or avoided observing to the people.
Description
Technical field
The utility model is related to field of virtual reality and augmented reality field, more particularly, to a kind of near-eye display system, void
Intend real world devices and augmented reality equipment.
Background technology
Virtual reality (English：Virtual Reality；Referred to as：VR) it is a kind of can establishment and the experiencing virtual world
Computer simulation system, it utilizes computer to generate a kind of simulated environment, by interactively Three-Dimensional Dynamic what comes into a driver's and entity row
For system emulation so that user is immersed in this environment, be that user brings the sensory experience surmounting real life environment.In vision
For aspect, virtual reality technology utilizes computer equipment to generate the image of virtual scene, and by optics by image light
Line is delivered to human eye so that user visually can experience this virtual scene completely.
Augmented reality (English：Augmented Reality；Referred to as：AR), it is to true field using dummy object or information
Scape carries out real enhanced technology.Augmented reality is typically based on the actual physical ring that the first-class image capture device of shooting obtains
, by computer system discriminance analysis and query and search, be there is content of text, picture material or the figure of association therewith in border image
Virtual image as the virtual generation such as model is shown in actual physical situation image, so that user is obtained in that be in shows
The related expanding information such as the mark of the real-world object in real physical environment, explanation, or experience true in real physical environment
Enhancing visual effect solid, highlighting of object.
Existing virtual reality device or augmented reality equipment typically pass through optical lens by the light meeting of virtual image
Gather in the pupil of user, have stricter restriction to the position of eye-observation.When the pupil position of user changes, example
As the Rotation of eyeball of user, or when two different user's priorities of interpupillary distance use same augmented reality equipment, need
User is adjusted to the interpupillary distance of augmented reality equipment, or automatically carries out interpupillary distance regulation by augmented reality equipment, but at present both
Precision not high, the light of virtual image can be led to cannot to fully enter human eye, so that augmented reality equipment cannot be to
User sends virtual image, or the effect on driving birds is not good of the virtual image sending, then cannot be to user with good augmented reality
Experience.
Therefore, because augmented reality equipment has stricter restriction to the position of eye-observation present in prior art, and
Lead to not to user with the technical problem of good augmented reality experience.
Utility model content
The purpose of this utility model is to provide a kind of near-eye display system, virtual reality device and augmented reality equipment, solution
Certainly because augmented reality equipment has stricter restriction to the position of eye-observation present in prior art, and lead to not to
Family, with the technical problem of good augmented reality experience, increased the visual field that virtual reality technology or augmented reality provide
Angle so that virtual reality technology or augmented reality can visually meet human eye viewing demand such that it is able to
Family provides the experience of immersion.
In order to realize above-mentioned utility model purpose, the utility model embodiment first aspect provides a kind of nearly eye display system
System, including LASER Light Source, spectrum groupware, scanning fiber array and the first concave mirror, it is individual defeated that described spectrum groupware includes M*N
Go out end, each output end is provided with a photoswitch, and described scanning fiber array includes M*N fibre bundle, described M*N optical fiber
Bundle is connected one by one with described M*N output end, M and N is the positive integer more than or equal to 2；
The laser that described LASER Light Source sends, when described spectrum groupware, is divided into M*N light beam, described spectrum groupware
In be in opening photoswitch corresponding output end output light beam pass through described scan fiber array after, by described first
Concave mirror reflexes to human eye.
Alternatively, the exit facet of described M*N fibre bundle is curved surface.
Alternatively, described LASER Light Source includes three color laser signal generating units, closing light unit, coupling unit and optical fiber；Described
Three color laser generating unit are used for sending three color laser；Described closing light unit is arranged at the outgoing of described three color laser signal generating units
In light path, described closing light unit is used for described three color laser being carried out close bundle process；Described coupling unit is arranged at described closing light
On the emitting light path of unit, described coupling unit is used in the laser coupled of described closing light unit outgoing to described optical fiber；Institute
State optical fiber to be connected with described coupling unit, described optical fiber is used for transmitting the laser of described coupling unit coupling.
Alternatively, described spectrum groupware includes 1 the first optical branching device of 1*N type and N number of second optical branching of 1*M type
Device, the incidence end of described first optical branching device is connected with the exit end of described LASER Light Source, described N number of second optical branching device and institute
The N number of exit end stating the first optical branching device is connected one by one.
Alternatively, described near-eye display system includes K LASER Light Source, and described spectrum groupware includes K the 3rd of 1*J type
Optical branching device and N number of second optical branching device of 1*M type, described K the 3rd optical branching device and described K LASER Light Source phase one by one
Even, described N number of second optical branching device is connected one by one with the described K corresponding N number of exit end of the 3rd optical branching device, J=N/K, K and
J is positive integer.
Alternatively, described near-eye display system also includes the second concave mirror and plane mirror, described second concave surface
Speculum is arranged on the emitting light path of described spectrum groupware, and described plane mirror is arranged at the outgoing of described concave mirror
In light path, and described plane mirror is arranged in the input path of described first concave mirror.
Alternatively, described scanning fiber array also includes M*N two-dimensional scanner, described M*N two-dimensional scanner and institute
State M*N fibre bundle to be connected one by one, described two-dimensional scanner is used for controlling the fibre bundle being attached thereto to be scanned.
The utility model embodiment second aspect provides a kind of virtual reality device it is characterised in that including two sets such as
The near-eye display system that first aspect provides, the left eye of the light entrance people of wherein first set near-eye display system outgoing, second
The light of set near-eye display system outgoing enters the right eye of people.
Alternatively, described first concave mirror is completely reflecting mirror, and described near-eye display system also includes light-blocking structure, institute
State light-blocking structure and be arranged at described first set near-eye display system and the first concave reflection of described first set near-eye display system
Away from the side of human eye on mirror.
The utility model embodiment third aspect provides a kind of augmented reality equipment, provides including two sets such as first aspect
Near-eye display system, the light of wherein first set near-eye display system outgoing enters the left eye of people, and second set nearly eye display is
The light of system outgoing enters the right eye of people；Described first set near-eye display system and the first of described first set near-eye display system
Concave mirror be can thoroughly can anti-mirror, external environment light is by the first concave mirror of described first set near-eye display system
Enter the left eye of people, and enter the right eye of people by the first concave mirror of described second set of near-eye display system.
One of the utility model embodiment or multiple technical scheme, at least have the following technical effect that or excellent
Point：
1st, the laser being sent due to LASER Light Source is after M*N output end of spectrum groupware, then through M*N fibre bundle
Afterwards human eye is reflexed to by the first concave mirror, the light beam of each fibre bundle output is a cone, with the increase of light path,
The width of light beam can be continuously increased such that it is able to increase the exit pupil diameter of near-eye display system, thus with single optical lens
Emergent pupil is compared, and the emergent pupil that this programme provides significantly increases, thus reducing or avoid the strict limit of the position to eye-observation
System, and then expand the applicable crowd of virtual reality device or augmented reality equipment, and without user to virtual reality device
Or augmented reality equipment carries out interpupillary distance regulation, it also avoid user because adjust result inaccurately lead to not to obtain good virtual
Experience of reality or the defect of augmented reality experience.
2nd, because scanning fiber array also includes M*N two-dimensional scanner, and it is attached thereto by two-dimensional scanner control
Fibre bundle be scanned, it is possible to providing resolution ratio higher virtual image, thus providing a user with finer and smoother, apparent
Visual experience.
Brief description
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before not paying creative labor
Put, other accompanying drawings can also be obtained according to these accompanying drawings：
Fig. 1 is the schematic diagram of laser scanning retina image-forming；
The structural representation of the first implementation of the near-eye display system that Fig. 2 provides for the present embodiment；
The structural representation of the LASER Light Source that Fig. 3 provides for the present embodiment；
The signal of two kinds of implementations of spectrum groupware in the near-eye display system that Fig. 4 A and Fig. 4 B provides for the present embodiment
Figure；
The schematic diagram of the second implementation of the near-eye display system that Fig. 5 provides for the present embodiment；
Fig. 6 is the structural representation that in the scanning fiber array that the present embodiment provides, two-dimensional scanner is connected with fibre bundle；
The near-eye display system that Fig. 7 provides for the present embodiment is applied to the structural representation of virtual reality device；
The near-eye display system that Fig. 8 provides for the present embodiment is applied to the structural representation of augmented reality equipment.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of the utility model protection.
Before technical scheme in introducing the utility model embodiment, the technology first introducing laser scanning imaging is former
Reason, refer to Fig. 1, and Fig. 1 is the schematic diagram of laser scanning retina image-forming, as shown in figure 1,101 is laser generator, 102 are
Two-dimensional scanner, 103 is the retina of human eye.
For convenience of introducing, so that the resolution ratio of the image of imaging is as 5*5 as a example, in the current direction be aligned of two-dimensional scanner
During the pixel of white, laser generator sends the laser of white, and is deflected by two-dimensional scanner and reflex to this pixel
Point, that is, achieve the scanning to this pixel；In the next position of two-dimensional scanner, if the direction pair of two-dimensional scanner
During the pixel of quasi- black, laser generator sends the laser of corresponding black, is deflected by two-dimensional scanner and reflexes to
This pixel, or do not send laser, that is, achieve the scanning to this pixel, by that analogy, that is, be capable of whole image
Scanning, so, by the visual persistence phenomenon of human eye it becomes possible to the complete figure of a width is presented on the retina of human eye
Picture, as shown in figure 1, finally can form a Chinese character " king " in human eye.In actual applications, sent by laser generator
The laser of different colours, for example, can send the laser of different colours by way of coupling multiple one-wavelength lasers, and complete
Site preparation scans image to be shown such that it is able to form colourful image in human eye, and here just repeats no more.
It should be noted that the laser of black refers to corresponding encoded radio under default color coding pattern, for example, exist
Under RGB color pattern, the rgb value of black is (0,0,0).
Refer to Fig. 2, the structural representation of the first implementation of the near-eye display system that Fig. 2 provides for the present embodiment
Figure, as shown in Fig. 2 this near-eye display system includes LASER Light Source 261, spectrum groupware 262, scanning fiber array 263 and first
Concave mirror 264, spectrum groupware 262 includes M*N output end, and each output end is provided with a photoswitch, scans optical fiber
Array 263 includes M*N fibre bundle, and M*N output end is connected one by one with M*N fibre bundle, M and N is just whole more than or equal to 2
Number；The light beam of each fibre bundle output is a cone, and with the increase of light path, the width of light beam can be continuously increased, thus
The exit pupil diameter of near-eye display system can be increased so that the light of near-eye display system output can be enterprising in bigger scope
Enter in the pupil of eyes；
As shown in Fig. 2 the laser that LASER Light Source 261 sends, after spectrum groupware 262, is divided into M*N light beam, light splitting
Be in assembly 262 the photoswitch corresponding output end output of opening light beam pass through to scan fiber array 263 after, by the
One concave mirror reflexes to human eye.
As can be seen that the laser being sent due to LASER Light Source 261 is after M*N output end of spectrum groupware 262, then warp
After crossing M*N fibre bundle, human eye is reflexed to by the first concave mirror, the light beam of each fibre bundle output is a cone, with
The increase of light path, the width of light beam can be continuously increased such that it is able to increase the exit pupil diameter of near-eye display system, thus with list
The emergent pupil of one optical lens is compared, and the emergent pupil that this programme provides significantly increases, thus reducing or avoiding to eye-observation
The strict restriction of position, and then expand the applicable crowd of virtual reality device or augmented reality equipment, and without user couple
Virtual reality device or augmented reality equipment carry out interpupillary distance regulation, it also avoid user and inaccurately lead to not obtain because adjusting result
Good virtual reality experience or augmented reality experience defect.
In specific implementation process, in order to avoid the volume that near-eye display system brings because ensureing width of light beam increases,
So the outgoing end face of fibre bundle can be curved surface, the numerical aperture improving fibre bundle is such that it is able under the conditions of short-range
Make light beam reach required width, and the emergent pupil of near-eye display system can be increased.
In specific implementation process, LASER Light Source 261 include three color laser signal generating units, closing light unit, coupling unit and
Optical fiber；Three color laser generating unit are used for sending three color laser；Closing light unit is arranged at the emergent light of three color laser signal generating units
Lu Shang, closing light unit is used for three color laser being carried out close bundle process；Coupling unit is arranged on the emitting light path of closing light unit, coupling
Close unit to be used for the laser coupled of closing light unit outgoing to optical fiber；Optical fiber is connected with coupling unit, and optical fiber is used for transmitting coupling
Close the laser of unit coupling.
Refer to Fig. 3, the structural representation of the LASER Light Source 261 that Fig. 3 provides for the present embodiment, as shown in figure 3, laser light
Source 261 can include emitting red light unit 2011, green emitting unit 2012, blue-light-emitting unit 2013, and the first filtering
Piece 2014 and the second filter plate 2015, the first filter plate 2014 being capable of reflection red light line and transmitting blue light and green light
Line, the second filter plate 2015 can reflection blue light and transmission green light, so, by the first filter plate 2014 and second
Filter plate 2015, that is, can will be each spontaneous to emitting red light unit 2011, blue-light-emitting unit 2012 and green emitting unit 2013
The light becoming is coupled together, and, is sent out by controlling emitting red light unit 2011, blue-light-emitting unit 2012 and green respectively meanwhile
The energy of light unit 2013 output, can control the color of the light after coupling.
In specific implementation process, can plate on the first filter plate 2014 and the second filter plate 2015 and select titanium dioxide
Silicon (chemical formula：SiO2) and tantalum pentoxide (chemical formula：Ta2O5) etc. the film that formed of material so that the first filter plate 2014 energy
Enough reflection red laser and transmitting blue laser and green lasers, and the second filter plate 2015 being capable of reflection blue laser and transmission
Green laser, here just repeats no more.
In specific implementation process, each luminescence unit can be swashed using corresponding light emitting diode or semiconductor
Light device sends corresponding light, and such as gallium arsenide diode can send ruddiness, and gallium phosphide diode can send green glow, nitridation
Gallium diode can send blue light, etc..In another embodiment, in LASER Light Source 261, the color of each generating unit is permissible
It is configured according to actual needs, to meet the needs of actual conditions, here is not limited.
Please continue to refer to Fig. 3, in the present embodiment, LASER Light Source 261 also includes optical fiber coupling assembly 2016 and optical fiber
2017, optical fiber coupling assembly 2016 is used for after the light coupling sending LED source or semiconductor laser light source extremely
In optical fiber 2017.
In specific implementation process, refer to Fig. 4 A, light splitting group in the near-eye display system that Fig. 4 A provides for the present embodiment
The schematic diagram of the first implementation of part 262, as shown in Figure 4 A, spectrum groupware 262 includes 1 the first optical branching of 1*N type
Device 2621 and N number of second optical branching device 2622, the first incidence end of optical branching device 2621 and the going out of LASER Light Source 261 of 1*M type
Penetrate end to be connected, N number of second optical branching device 2622 is connected one by one with N number of exit end of the first optical branching device 2621, so, light splitting group
Part 262 is provided with M*N fibre bundle.
It should be noted that 1*N type refers to that this optical branching device has 1 entrance, N number of outlet, follow-up 1*M type or 1*J type
It is consistent, here just repeats no more.
In specific implementation process, refer to Fig. 4 B, light splitting group in the near-eye display system that Fig. 4 B provides for the present embodiment
The schematic diagram of the second implementation of part 262, as shown in Figure 4 B, LASER Light Source 261 includes K exit end, spectrum groupware 262
Including K the 3rd optical branching device 2623 of 1*J type and N number of second optical branching device of 1*M type, K the 3rd optical branching device 2623 and K
Individual exit end is connected one by one, and N number of second optical branching device is connected one by one with the K corresponding N number of exit end of the 3rd optical branching device 2623,
J=N/K, J are positive integer, and K is the positive integer more than or equal to 2.
Spectrum groupware 262 adopts the second implementation shown in Fig. 4 B, can reduce the layer of spectrum groupware 262 light splitting
Secondary, it is to avoid the volume of near-eye display system increases, of course, it is possible to it is intended that under this mode, due to LASER Light Source
261 increased output end, such as by way of the several laser generators of many increases, so cost can increase to a certain extent
Plus, here just repeats no more.
In actual applications, from the principle of optical branching device, 1 bundle light enters taking the first optical branching device of 1*N type as a example
After optical branching device, it is merely able to every time be divided into two bundles, so divides down successively, finally obtain N bundle, level is more, and volume is larger,
So, by being set greater than the quantity of the exit end of LASER Light Source 261 equal to 2, spectrum groupware 262 adopts shown in Fig. 4 B
Second implementation, then can significantly reduce the volume shared by spectrum groupware 262 so that near-eye display system can be expired
The requirement of foot " frivolous ".
In the present embodiment, because the spectrum groupware 262 in near-eye display system has M*N exit end, namely its energy
The resolution ratio of enough virtual images providing is M*N, namely its every frame virtual image providing includes M*N pixel, so,
When providing a user with virtual image, included as a example a LASER Light Source 261 by near-eye display system, first kind of way is permissible
Using photoswitch, control M*N exit end to send corresponding light beam successively, so, that is, complete the scanning of M*N pixel,
The second way can utilize photoswitch, controls the pixel corresponding exit end output of same color on virtual image corresponding
Light beam, on virtual image, all of pixel shows and completes, and so also completes the scanning of M*N pixel, by this
Two kinds of scan modes, according to the persistence effect of human eye, user can see the virtual image that near-eye display system is shown.With
A kind of mode is compared, and the second way can complete the scanning to M*N pixel within the shorter time, be equivalent to and improve
The refresh rate of near-eye display system.
Certainly, when near-eye display system includes multiple LASER Light Source 261, the corresponding light splitting group of each LASER Light Source 261
A part for M*N exit end in part 262, so, in the case that the glow frequency keeping LASER Light Source 261 is constant, can
Complete the scanning to M*N pixel than the above-mentioned second way within the shorter time, be equivalent to and further increase closely
The refresh rate of eye display system.
In actual applications, the technical staff belonging to this area can select suitable mode according to actual conditions
Become the scanning of M*N pixel, to meet the needs of actual conditions, here just repeats no more.
In specific implementation process, provide for the present embodiment please continue to refer to Fig. 5, Fig. 5 the second of near-eye display system
Plant the schematic diagram of implementation, as shown in figure 5, near-eye display system also includes the second concave mirror 265 and plane mirror
266, the second concave mirror 265 is arranged on the emitting light path of spectrum groupware 262, and it is anti-that plane mirror 266 is arranged at concave surface
Penetrate on the emitting light path of mirror, and plane mirror is arranged in the input path of the first concave mirror 264.
As can be seen that the second implementation shown in Fig. 5 increased light path by way of reflection so that nearly eye shows
The exit pupil diameter of system increases further, also make near-eye display system structure more various such that it is able to be applied to more
Application scenarios, here just repeats no more.
Certainly, in other embodiments, the technical staff belonging to this area can also adopt according to the introduction of the present embodiment
Increasing light path, to meet the needs of actual conditions, here just repeats no more other suitable structures.
In specific implementation process, in the present embodiment, scanning fiber array also includes M*N two-dimensional scanner, M*N two
Dimension scanner is connected one by one with M*N fibre bundle, refer to Fig. 6, and Fig. 6 is in the scanning fiber array 263 that the present embodiment provides
The structural representation that two-dimensional scanner is connected with fibre bundle, as shown in fig. 6, fibre bundle 2631 sets in this scanning fiber array 263
Put in two-dimensional scanner 2632, two-dimensional scanner 2632 can control the fibre bundle 2631 being attached thereto to be scanned.?
Under such circumstances, the distance between M*N fibre bundle 2631 in scanning fiber array 263 is set to suitable numerical value, then
Control the fibre bundle 2631 that is attached thereto to be scanned by two-dimensional scanner 2632, can provide resolution ratio higher virtual
Image, thus providing a user with finer and smoother, apparent visual experience, for example, each two-dimensional scanner 2632 can control with
The fibre bundle 2631 being connected carry out the scanning of the such a matrix of 3*3, then the virtual image that near-eye display system provides is
Big resolution ratio is 3M*3N, and here just repeats no more.
Certainly, in actual applications, as shown in fig. 6, scanning ray array also includes collimating microscope group 2633 and encapsulating housing
2634, collimation microscope group 2633 is arranged at the exit end of fibre bundle 2631, and collimation microscope group 2633 is used for fibre bundle 2631 outgoing
Laser carries out collimation process, and the cavity of encapsulating housing 2634 is used for optical fibre bundle 2631, two-dimensional scanner 2632 and collimating mirror
Group 2633, here just repeats no more.
In actual applications, two-dimensional scanner 2632 can be for example that lead titanate piezoelectric ceramics (are also called PZT piezoelectricity pottery
Porcelain) etc., here is not limited.
The laser being sent due to LASER Light Source 261 be can be seen that through M*N of spectrum groupware 262 by above-mentioned part
After output end, then after M*N fibre bundle, human eye is reflexed to by the first concave mirror, the light beam of each fibre bundle output is
One cone, with the increase of light path, the width of light beam can be continuously increased such that it is able to increase the emergent pupil of near-eye display system
Diameter, so compared with the emergent pupil of single optical lens, the emergent pupil that this programme provides significantly increases, thus reducing or avoiding
Strict restriction to the position of eye-observation, and then expand the applicable crowd of virtual reality device or augmented reality equipment, and
And without user, interpupillary distance regulation is carried out to virtual reality device or augmented reality equipment, it also avoid user not smart because adjusting result
Really lead to not the defect obtaining good virtual reality experience or augmented reality experience.
Further, because scanning fiber array also includes M*N two-dimensional scanner, and controlled by two-dimensional scanner 2632
Make the fibre bundle 2631 being attached thereto to be scanned, it is possible to providing resolution ratio higher virtual image, thus carrying to user
For finer and smoother, apparent visual experience.
In actual applications, the near-eye display system that embodiment six provides can be applied to virtual reality device or strengthen existing
On real equipment, ensuing partly in, near-eye display system is applied to virtual reality device or augmented reality sets by introducing
Standby implements process.
First, introduce the near-eye display system that the present embodiment is provided and be applied to implementing of virtual reality device
Journey.
Refer to Fig. 7, the near-eye display system that Fig. 7 provides for the present embodiment is applied to the structural representation of virtual reality device
Figure, as shown in fig. 7, this virtual reality device includes the two sets such as preceding sections near-eye display systems introduced, wherein first set is near
The light of eye display system 291 outgoing enters the left eye of people, and the light of second set of near-eye display system 292 outgoing enters the right side of people
Eye, in this way, it is possible to provide a user with the content of virtual reality, for example, can be scene display, video, game content etc.,
Here just repeats no more.
Of course, by first set near-eye display system 291 and second set of near-eye display system 292 in same time showing
Two field pictures, can be the image with certain parallax, so, the content of the virtual reality providing a user with has 3D effect
Really, it is possible to increase Consumer's Experience.
In specific implementation process, in order to ensure the Consumer's Experience of virtual reality device, need to avoid external environment light
Interference, in the present embodiment, the first concave surface in first set near-eye display system 291 and second set of near-eye display system 292
Speculum is completely reflecting mirror, for example, can be the total reflection film layer of the side coating away from human eye on the first concave mirror,
The total reflection metal film that for example can be made up of aluminium, silver, gold or copper etc. of film layer it may also be said to by silicon monoxide, magnesium fluoride, two
The electrolyte membrane layer of the composition such as silica or alundum (Al2O3), or the combination of the two, here is not limited.
Meanwhile, virtual reality device also includes light-blocking structure 293, and light-blocking structure 293 is arranged at first set nearly eye display system
Away from the side of human eye in the horizontal extension waveguide of system 291 and second set of near-eye display system 292.In actual applications, it is in the light
Structure can the structure such as light barrier, here just repeats no more.
In actual applications, the near-eye display system in virtual reality device can also be arranged on lighttight shell
In it is also possible to realize avoiding the effect of the interference of external environment light, here just repeats no more.
During the virtual reality device that actually used the present embodiment provides, due to first set near-eye display system
291 and the exit pupil diameter that provides of second set of near-eye display system 292 all larger, so reducing or avoiding to eye-observation
The strict restriction of position, and then expand the applicable crowd of virtual reality device, and without user, virtual reality device is entered
Row interpupillary distance is adjusted, and it also avoid user and inaccurately leads to not obtain the defect of good virtual reality experience because adjusting result.
Then, by above-mentioned part, the near-eye display system that having introduced the present embodiment provides is applied to virtual reality and sets
Standby implement process after, in next partly, the near-eye display system introducing the present embodiment offer is applied to increase
Strong real world devices implement process.
Refer to Fig. 8, the near-eye display system that Fig. 8 provides for the present embodiment is applied to the structural representation of augmented reality equipment
Figure, as shown in figure 8, this augmented reality equipment includes the two sets such as the present embodiment near-eye display systems introduced, wherein first set is near
The light of eye display system 301 outgoing enters the left eye of people, and the light of second set of near-eye display system 302 outgoing enters the right side of people
Eye；The first concave mirror that external environment light passes through first set near-eye display system 301 enters the left eye of people, and by the
Two sets of near-eye display systems 302 first concave mirror enter people right eye, so, near-eye display system provide image and
The image that external environmental light line is formed just is superimposed such that it is able to provide a user with the content of augmented reality, for example permissible
It is navigation information, to external world markup information of things etc. in environment, here just repeats no more.
During the augmented reality equipment that actually used the present embodiment provides, due to first set near-eye display system
301 and the exit pupil diameter that provides of second set of near-eye display system 302 all larger, so reducing or avoiding to eye-observation
The strict restriction of position, and then expand the applicable crowd of virtual reality device, and without user, augmented reality equipment is entered
Row interpupillary distance is adjusted, and it also avoid user and inaccurately leads to not obtain the defect of good augmented reality experience because adjusting result.
One of the utility model embodiment or multiple technical scheme, at least have the following technical effect that or excellent
Point：
1st, the laser being sent due to LASER Light Source is after M*N output end of spectrum groupware, then through M*N fibre bundle
Afterwards human eye is reflexed to by the first concave mirror, the light beam of each fibre bundle output is a cone, with the increase of light path,
The width of light beam can be continuously increased such that it is able to increase the exit pupil diameter of near-eye display system, thus with single optical lens
Emergent pupil is compared, and the emergent pupil that this programme provides significantly increases, thus reducing or avoid the strict limit of the position to eye-observation
System, and then expand the applicable crowd of virtual reality device or augmented reality equipment, and without user to virtual reality device
Or augmented reality equipment carries out interpupillary distance regulation, it also avoid user because adjust result inaccurately lead to not to obtain good virtual
Experience of reality or the defect of augmented reality experience.
2nd, because scanning fiber array also includes M*N two-dimensional scanner, and it is attached thereto by two-dimensional scanner control
Fibre bundle be scanned, it is possible to providing resolution ratio higher virtual image, thus providing a user with finer and smoother, apparent
Visual experience.
All features disclosed in this specification, or disclosed all methods or during step, except mutually exclusive
Feature and/or step beyond, all can combine by any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), except non-specifically is chatted
State, all can be replaced by other alternative features equivalent or that there is similar purpose.I.e., unless specifically stated otherwise, each feature
It is a series of equivalent or one of similar characteristics example.
The utility model is not limited to aforesaid specific embodiment.The utility model expand to any in this specification
The new feature of middle disclosure or any new combination, and the arbitrary new method of disclosure or the step of process or any new group
Close.
Claims (10)
1. a kind of near-eye display system is it is characterised in that inclusion LASER Light Source, spectrum groupware, scanning fiber array and first are recessed
Face speculum, described spectrum groupware includes M*N output end, and each output end is provided with a photoswitch, described scanning optical fiber
Array includes M*N fibre bundle, and described M*N fibre bundle is connected one by one with described M*N output end, M and N is more than or equal to 2
Positive integer；
The laser that described LASER Light Source sends, when described spectrum groupware, is divided into M*N light beam, locates in described spectrum groupware
In the light beam that the corresponding output end of photoswitch of opening exports after described scanning fiber array, by described first concave surface
Speculum reflexes to human eye.
2. near-eye display system as claimed in claim 1 is it is characterised in that the exit facet of described M*N fibre bundle is curved surface.
3. near-eye display system as claimed in claim 1 generates list it is characterised in that described LASER Light Source includes three color laser
Unit, closing light unit, coupling unit and optical fiber；Described three color laser generating unit are used for sending three color laser；Described closing light unit
It is arranged on the emitting light path of described three color laser signal generating units, described closing light unit is used for described three color laser being carried out close bundle
Process；Described coupling unit is arranged on the emitting light path of described closing light unit, and described coupling unit is used for described closing light list
The laser coupled of first outgoing is to described optical fiber；Described optical fiber is connected with described coupling unit, and described optical fiber is used for transmitting described
The laser of coupling unit coupling.
4. near-eye display system as claimed in claim 1 is it is characterised in that described spectrum groupware includes 1 first of 1*N type
Optical branching device and N number of second optical branching device of 1*M type, the incidence end of described first optical branching device and the outgoing of described LASER Light Source
End is connected, and described N number of second optical branching device is connected one by one with N number of exit end of described first optical branching device.
5. near-eye display system as claimed in claim 1 is it is characterised in that described near-eye display system includes K laser light
Source, described spectrum groupware includes K the 3rd optical branching device of 1*J type and N number of second optical branching device of 1*M type, described K the individual 3rd
Optical branching device is connected one by one with described K LASER Light Source, described N number of second optical branching device individual 3rd optical branching device pair with described K
The N number of exit end answered is connected one by one, and J=N/K, K and J are positive integer.
6. near-eye display system as claimed in claim 1 is it is characterised in that described near-eye display system also includes the second concave surface
Speculum and plane mirror, described second concave mirror is arranged on the emitting light path of described spectrum groupware, described plane
Speculum is arranged on the emitting light path of described concave mirror, and described plane mirror is arranged at described first concave reflection
In the input path of mirror.
7. the near-eye display system as described in claim arbitrary in claim 1-6 it is characterised in that described scanning fiber array also
Including M*N two-dimensional scanner, described M*N two-dimensional scanner is connected one by one with described M*N fibre bundle, described two-dimensional scan
Device is used for controlling the fibre bundle being attached thereto to be scanned.
8. a kind of virtual reality device shows it is characterised in that including two sets of nearly eyes as described in claim arbitrary in claim 1-7
Show system, the light of wherein first set near-eye display system outgoing enters the left eye of people, second set of near-eye display system outgoing
Light enters the right eye of people.
9. virtual reality device as claimed in claim 8 it is characterised in that described first concave mirror be completely reflecting mirror,
Described near-eye display system also includes light-blocking structure, and described light-blocking structure is arranged at described first set near-eye display system and described
Away from the side of human eye on first concave mirror of first set near-eye display system.
10. a kind of augmented reality equipment it is characterised in that include two sets of near-eye display systems as described in claim 1-7, its
The light of middle first set near-eye display system outgoing enters the left eye of people, and the light of second set of near-eye display system outgoing enters people
Right eye；First concave mirror of described first set near-eye display system and described first set near-eye display system is thoroughly may be used
Anti- mirror, external environment light passes through the left eye of the first concave mirror entrance people of described first set near-eye display system, and leads to
The first concave mirror crossing described second set of near-eye display system enters the right eye of people.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620699532.3U CN205983393U (en) | 2016-07-01 | 2016-07-01 | Near -to -eye display system, virtual reality equipment and augmented reality equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620699532.3U CN205983393U (en) | 2016-07-01 | 2016-07-01 | Near -to -eye display system, virtual reality equipment and augmented reality equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205983393U true CN205983393U (en) | 2017-02-22 |
Family
ID=58023323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620699532.3U Withdrawn - After Issue CN205983393U (en) | 2016-07-01 | 2016-07-01 | Near -to -eye display system, virtual reality equipment and augmented reality equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205983393U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106020496A (en) * | 2016-07-01 | 2016-10-12 | 成都理想境界科技有限公司 | Near-to-eye display system, virtual reality equipment and augmented reality equipment |
| CN110111688A (en) * | 2019-05-24 | 2019-08-09 | 亿信科技发展有限公司 | A kind of display panel, display methods and display system |
| CN110456505A (en) * | 2018-05-07 | 2019-11-15 | 脸谱科技有限责任公司 | Transparent and reflexive light source |
-
2016
- 2016-07-01 CN CN201620699532.3U patent/CN205983393U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106020496A (en) * | 2016-07-01 | 2016-10-12 | 成都理想境界科技有限公司 | Near-to-eye display system, virtual reality equipment and augmented reality equipment |
| WO2018001322A1 (en) * | 2016-07-01 | 2018-01-04 | 成都理想境界科技有限公司 | Near-eye display system, virtual-reality device, and augmented-reality device |
| CN106020496B (en) * | 2016-07-01 | 2019-04-30 | 成都理想境界科技有限公司 | A kind of near-eye display system, virtual reality device and augmented reality equipment |
| CN110456505A (en) * | 2018-05-07 | 2019-11-15 | 脸谱科技有限责任公司 | Transparent and reflexive light source |
| CN110111688A (en) * | 2019-05-24 | 2019-08-09 | 亿信科技发展有限公司 | A kind of display panel, display methods and display system |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20190430 |
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| AV01 | Patent right actively abandoned |