CN209514212U - A kind of optical glasses - Google Patents
A kind of optical glasses Download PDFInfo
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- CN209514212U CN209514212U CN201920412154.XU CN201920412154U CN209514212U CN 209514212 U CN209514212 U CN 209514212U CN 201920412154 U CN201920412154 U CN 201920412154U CN 209514212 U CN209514212 U CN 209514212U
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Abstract
The utility model discloses a kind of optical glasses, including eyeglass and display screen, display location is above eyeglass and the long axis direction and horizontal direction parallel of display screen；Eyeglass includes fractional transmission part plane of reflection mirror and fractional transmission part reflecting curved surface mirror；Display picture light is incident to fractional transmission part reflecting curved surface mirror after the reflection of fractional transmission part plane of reflection mirror, it is incident to fractional transmission part plane of reflection mirror after the reflection of fractional transmission part reflecting curved surface mirror, enters observer's eyes after the transmission of fractional transmission part plane of reflection mirror.Using the above scheme, due to display location above eyeglass and the long axis direction and horizontal direction parallel of display screen, repeatedly catadioptric propagation does not influence to show the propagation of picture light in the horizontal direction in display picture light vertical direction in the horizontal direction, guarantees that optical glasses take into account frivolous, larger field angle and biggish human eye moving range.
Description
Technical field
The utility model embodiment is related to virtual and augmented reality field more particularly to a kind of optical glasses.
Background technique
The existing optical glasses for augmented reality mostly use prism scheme, free curved surface prism scheme, off-axis throwing
Shadow scheme and array or holographic optical waveguide scheme.Prism scheme and free curved surface prism scheme field angle are too small, off-axis projection side
Case cannot accomplish frivolous, and array or holographic optical waveguide scheme are although frivolous, but due to complex process and immature, expensive,
It is difficult commercial applications.
Utility model content
In view of this, the utility model embodiment provides a kind of optical glasses, to solve in the prior art, optical glasses are not
Good field angle and frivolous technical problem can be taken into account.
The utility model embodiment provides a kind of optical glasses, including being located at the eyeglass immediately ahead of observer's eyes
And the display screen being correspondingly arranged with the eyeglass, the display location is above the eyeglass；
The display screen shows picture light for being emitted, and the long axis direction and horizontal direction parallel of the display screen,
Wherein, the horizontal direction is parallel with observer's left eye direction direction of observer's right eye；
The eyeglass includes fractional transmission part plane of reflection mirror and fractional transmission part reflecting curved surface mirror, described
Fractional transmission part plane of reflection mirror is located at close to the side of observer's eyes, the fractional transmission part reflecting curved surface mirror
It is located remotely from the side of observer's eyes；The display picture light is reflected through the fractional transmission part plane of reflection mirror
After be incident to the fractional transmission part reflecting curved surface mirror, through the fractional transmission part reflecting curved surface mirror reflection after be incident to institute
Fractional transmission part plane of reflection mirror is stated, observer's eye is entered after fractional transmission part plane of reflection mirror transmission
Eyeball.
Optionally, the optical glasses further include coupled lens group, and the coupled lens group is located at the display screen and institute
It states between the plane of reflection mirror of fractional transmission part；
The coupled lens group is for receiving the display picture light and being transmitted through the display picture light described
Fractional transmission part plane of reflection mirror.
Optionally, the display screen and the coaxial setting of coupled lens group.
Optionally, the angle between the optical axis direction and first direction of the coupled lens group is α, wherein 70 °≤α≤
90°；Wherein, the first direction and the fractional transmission part plane of reflection mirror are directed toward fractional transmission part reflecting curved surface
The direction of mirror is parallel.
Optionally, the material of coupled lens includes low-dispersion material in the coupled lens group.
Optionally, the angle between the fractional transmission part plane of reflection mirror and first direction is β, wherein 45 °≤β
≤55°；Wherein, it is bent to be directed toward the fractional transmission part reflection for the first direction and the fractional transmission part plane of reflection mirror
The direction of face mirror is parallel.
Optionally, the fractional transmission part plane of reflection mirror includes close to the fractional transmission part reflecting curved surface mirror one
The first surface of side and the second surface of separate fractional transmission part reflecting curved surface mirror side；
Wherein, the first surface is fractional transmission part reflecting face and the first surface includes semi-transparent semi-reflecting face；
The second surface is transmission plane.
Optionally, the fractional transmission part reflecting curved surface mirror includes close to the fractional transmission part plane of reflection mirror one
4th surface of the third surface of side and separate fractional transmission part plane of reflection mirror side；
Wherein, the third surface is fractional transmission part reflecting face and the third surface includes semi-transparent semi-reflecting aspheric
Face；
4th surface is transmission plane.
The center of the fractional transmission part plane of reflection mirror and the center of the fractional transmission part reflecting curved surface mirror
Line direction is parallel with first direction；Wherein, described in the first direction and the fractional transmission part plane of reflection mirror are directed toward
The direction of fractional transmission part reflecting curved surface mirror is parallel.
Optionally, the emergent pupil of the optical glasses is away from for L, wherein 14mm≤L≤24m.
Optical glasses provided by the embodiment of the utility model are correspondingly arranged aobvious including eyeglass and with eyeglass
Display screen, eyeglass include fractional transmission part plane of reflection mirror and fractional transmission part reflecting curved surface mirror, show picture light
It is incident to fractional transmission part reflecting curved surface mirror after the reflection of fractional transmission part plane of reflection mirror, is reflected through fractional transmission part
It is incident to fractional transmission part plane of reflection mirror after curved mirror reflection, enters after the transmission of fractional transmission part plane of reflection mirror and sees
Survey person's eyes.Due to display location above eyeglass and the long axis direction and horizontal direction parallel of display screen, display screen hair
Display picture light out enters the human eye at emergent pupil after decoupling eyeglass after repeatedly catadioptric, and display picture light is in level
Optical path in the vertical direction in direction, which changes, does not influence to show the outgoing range of picture light in the horizontal direction, therefore level side
Upwards, human eye allows mobile range not limited by eyeglass thickness, and in the case where identical eyeglass thickness,
Horizontal direction field angle is larger, so, under conditions of equivalent specifications display screen, horizontal direction field angle and level may be implemented
Direction human eye allows mobile range relatively large, and the thickness of eyeglass is relatively frivolous；Simultaneously as horizontal direction people
Eye allows mobile range not limited by eyeglass thickness, and horizontal direction human eye allows mobile range relatively large, because
When this is used for the optical glasses of eyes, even if in the nonadjustable situation of interpupillary distance, optical eye provided by the embodiment of the utility model
It is relatively large that mirror wears compatibility to the crowd of different interpupillary distances；Also, since optical glasses can for the design of left and right the structure of the eye
With identical, therefore, optical glasses manufacturing cost is relatively low to be earned, and is suitble to commercial applications.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the utility model
Other features, objects and advantages will become more apparent upon:
Fig. 1 is a kind of light channel structure schematic diagram of optical glasses provided by the embodiment of the utility model；
Fig. 2 is a kind of vertical view light channel structure schematic diagram of optical glasses provided by the embodiment of the utility model；
Fig. 3 is the light channel structure schematic diagram of another optical glasses provided by the embodiment of the utility model；
Fig. 4 is a kind of structural schematic diagram of fractional transmission part plane of reflection mirror provided by the embodiment of the utility model；
Fig. 5 is a kind of structural schematic diagram of fractional transmission part reflecting curved surface mirror provided by the embodiment of the utility model；
Fig. 6 is the corresponding relationship signal of a kind of angle of half field-of view and modulation transfer function provided by the embodiment of the utility model
Figure.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, implement below with reference to the utility model
Attached drawing in example is fully described by the technical solution of the utility model by specific embodiment.Obviously, described implementation
Example is a part of the embodiment of the utility model, instead of all the embodiments, is based on the embodiments of the present invention, this field
The every other embodiment that those of ordinary skill obtains without making creative work, each falls within the utility model
Protection scope within.
Fig. 1 is a kind of structural schematic diagram of optical glasses provided by the embodiment of the utility model, and Fig. 2 is the utility model reality
A kind of vertical view light channel structure schematic diagram of optical glasses of example offer, referring to figs. 1 and 2, the utility model embodiment are provided
The optical glasses of offer may include eyeglass 10 immediately ahead of observer's eyes and corresponding with eyeglass 10 set
The display screen 20 set, display screen 20 are located at 10 top of eyeglass.
Display screen 20 shows picture light 21 for being emitted, and the long axis direction and horizontal direction parallel of display screen 20,
In, horizontal direction is parallel with observer's left eye direction direction of observer's right eye；
Eyeglass 10 includes fractional transmission part plane of reflection mirror 11 and fractional transmission part reflecting curved surface mirror 12, portion
Transmissive portion plane of reflection mirror 11 is divided to be located at close to the side of observer's eyes, fractional transmission part reflecting curved surface mirror 12 is located at remote
Side from observer's eyes；Display picture light 21 is incident to part thoroughly after the reflection of fractional transmission part plane of reflection mirror 11
Part reflecting curved surface mirror 12 is penetrated, is incident to the fractional transmission part plane of reflection after the reflection of fractional transmission part reflecting curved surface mirror 12
Mirror 11 enters observer's eyes after the transmission of fractional transmission part plane of reflection mirror 11.
Illustratively, horizontal direction can be understood as the direction that observer's left eye is directed toward right eye, such as the X-direction in Fig. 2, and
Horizontal direction is perpendicular to paper direction shown in FIG. 1.Above eyeglass 10 and long axis direction and horizontal direction parallel
Enter eyeglass 10 in the display picture light 21 that display screen 20 issues paper shown in Fig. 1, display picture light 21 is first
Fractional transmission part reflecting curved surface mirror is incident to after 11 part of the fractional transmission part plane of reflection mirror reflection of eyeglass 10
12, and be partially transmitted part reflecting curved surface mirror 12 and be reflected to up to fractional transmission part plane of reflection mirror 11, thoroughly through part
Enter the observer's eyes being located at exit pupil position after penetrating 11 fractional transmission of part plane of reflection mirror, observer's eyes see front
Content imaging 30 on display screen 20 at certain distance, while observer's eyes again can be with the permeation parts transmissive portion plane of reflection
Mirror 11 and fractional transmission part reflecting curved surface mirror 12 see that the reality scene in front, optical glasses realize augmented reality function.
It is located at the top of eyeglass 10 and the long axis direction and horizontal direction parallel of display screen 20 due to display screen 20, shows
The display picture light 21 that display screen 20 issues in the plane vertical with horizontal direction through it is multiple it is catadioptric after decoupling eyeglass 10
Enter observer's eyes at emergent pupil afterwards, shows (the paper as described in Figure 1 in the plane vertical with horizontal direction of picture light 21
Face) optical path change do not influence to show the outgoing range in the horizontal direction of picture light 21, therefore horizontal direction human eye allows to move
Dynamic range lambda is not limited by 10 thickness of eyeglass, and in the case where identical 10 thickness of eyeglass, horizontal direction view
Rink corner γ is larger, so, under conditions of equivalent specifications display screen, the optical glasses that the utility model embodiment passes through can be simultaneous
Caring for horizontal direction field angle γ and horizontal direction human eye allows mobile range lambda relatively large, and the thickness of eyeglass 10
It is relatively frivolous；Simultaneously as horizontal direction human eye allows mobile range lambda not limited by 10 thickness of eyeglass, level side
Allow mobile range lambda relatively large to human eye, when being accordingly used in the optical glasses of eyes, even if in the nonadjustable situation of interpupillary distance
Under, it is relatively large that optical glasses provided by the embodiment of the utility model wear compatibility to the crowd of different interpupillary distances.Further,
Since the placement location and display screen 20 for only needing rationally to be arranged the shape of eyeglass 10, display screen 20 are with respect to eyeglass 10
Positional relationship, optical glasses provided by the embodiment of the utility model are compact-sized, are suitble to existing optical glasses miniaturized intelligent
The development trend of change.
It should be noted that optical glasses provided by the embodiment of the utility model only by be suitable for it is simple eye for said
It is bright, such as simple eye eyeglass 10 can be left eye eyeglass, or eyes eyeglass, the utility model embodiment
To this without limiting.It is understood that optical glasses provided by the embodiment of the utility model may be equally applicable for eyes
The case where, such as optical glasses provided by the embodiment of the utility model may include eyes eyeglass 10, i.e. left eye eyeglass
Piece and right eye eyeglass, while including being correspondingly arranged display screen 20 with left eye eyeglass and right eye eyeglass respectively, and
And optical glasses can be identical for the design of left and right the structure of the eye, therefore, the simple cost simultaneously of optical glasses manufacturing process is opposite
It is low to earn, it is suitble to commercial applications.
Fig. 3 is the light channel structure schematic diagram of another optical glasses provided by the embodiment of the utility model, as shown in figure 3,
Optical glasses provided by the embodiment of the utility model can also include coupled lens group 40, and coupled lens group 40 is located at display screen 20
Between fractional transmission part plane of reflection mirror 11；
Coupled lens group 40 includes at least a piece of coupled lens, and coupled lens group 40 is for receiving display picture light 21 simultaneously
Display picture light 21 is transmitted through fractional transmission part plane of reflection mirror 11.
Illustratively, the display picture light 21 that display screen 20 issues enters eyeglass after penetrating coupled lens group 40
10.Setting coupled lens group 40 is located between display screen 20 and fractional transmission part plane of reflection mirror 11, it is ensured that display screen
The 20 display picture light 21 issued are coupled into eyeglass 10 completely, improve the coupling efficiency of display picture light 21, protect
Card observer, which can observe, clearly indicates picture, improves the display effect of optical glasses virtual screen, improving optical glasses
Feeling of immersion, promoted user experience.Meanwhile coupled lens group 40 is also used to match the focal length of eyeglass 10, avoids because of glasses
10 focal length of eyeglass is excessive to cause that horizontal direction field angle γ is smaller and horizontal direction human eye allows mobile range lambda is lesser to ask
Topic；Avoid simultaneously because 10 focal length of eyeglass it is too small caused by the poor problem of imaging effect, such as be likely to occur and can not see completely
There is the problem of dizziness when seeing display picture or viewing display picture.
Optionally, coupled lens group 40 provided by the embodiment of the utility model may include at least a piece of coupled lens, Fig. 3
It is only illustrated so that coupled lens group 40 includes a piece of coupled lens as an example, and the utility model embodiment is to the tool of coupled lens
Shape is without limiting, biconvex shape that can be as shown in Figure 3, can also be half convex shape of half-plane, can also be
Falcate or other shapes, need to only meet can receive all display picture light 21 and is transmitted through display picture light 21
Fractional transmission part plane of reflection mirror 11, while the focal length of eyeglass 10 is matched, guarantee to improve display picture light 21
Coupling efficiency, avoid because 10 focal length of eyeglass is excessive make or be too small caused by the poor problem of imaging effect.Also, work as coupling
When closing lens group 40 including multi-disc coupled lens, the shape of multi-disc coupled lens be may be the same or different, the utility model
Embodiment is to this without limiting.
Optionally, with continued reference to shown in Fig. 3, display screen 20 and coupled lens group 40 coaxial can be arranged, and guarantee display screen
The 20 display picture light 21 issued can be coupled into eyeglass coupled lens group 40 completely, improve display picture light 21
Coupling effect, improve the imaging effect of optical glasses.
Optionally, with continued reference to shown in Fig. 3, (the side Y in such as figure the optical axis direction aa ' and first direction of coupled lens group 40
To) between angle be α, wherein 70 °≤α≤90 °.Illustratively, first direction can be understood as anti-with fractional transmission part
Penetrate the parallel direction in the direction of 11 directed section transmissive portion reflecting curved surface mirror 12 of plane mirror.Due to display screen 20 and coupled lens
40 coaxial settings of group, therefore the optical axis of display screen 20 and the optical axis of coupled lens group 40 and first direction angle having the same.
Rationally the angle α between setting coupled lens group 40 total optical axis direction and first direction meets 70 °≤α≤90 °, it is ensured that
Display picture light 21 after coupled lens group 40 has lesser diversity, guarantee section transmissive portion in a first direction
The size of plane of reflection mirror 11 in a first direction is smaller, guarantees that the size of eyeglass 10 in a first direction is smaller, guarantees
Eyeglass 10 is compact-sized, is advantageously implemented the small volume and less weightization design of optical glasses.
Optionally, the material of coupled lens includes low-dispersion material in coupled lens group 40, such as every coupled lens
Abbe number can be more than or equal to 70, and the dispersion of the display picture light 21 after guaranteeing coupled lens group 40 is small, can be with
It avoids causing the using effect of user poor because of big dispersive influence display effect.
Optionally, it continues to refer to figure 1 with shown in Fig. 3, fractional transmission part plane of reflection mirror 11 and first direction are (in such as figure
Shown in Y-direction) between angle be β, wherein 45 °≤β≤55 °.Illustratively, first direction can be understood as and part
The parallel direction in the direction of 11 directed section transmissive portion reflecting curved surface mirror 12 of transmissive portion plane of reflection mirror.Reasonable fraction transmission
Angle β between part plane of reflection mirror 11 and first direction meets 45 °≤β≤55 °, it is ensured that the reflection of fractional transmission part
The size of plane mirror 11 in a first direction is smaller, guarantees that the size of eyeglass 10 in a first direction is smaller, guarantees glasses
Eyeglass 10 is compact-sized, is advantageously implemented the small volume and less weightization design of optical glasses.
Fig. 4 is a kind of structural schematic diagram of fractional transmission part plane of reflection mirror provided by the embodiment of the utility model, such as
Shown in Fig. 4, fractional transmission part plane of reflection mirror 11 provided by the embodiment of the utility model may include close part transmissive portions
Divide the first surface 111 of 12 side of reflecting curved surface mirror and the second surface far from 12 side of fractional transmission part reflecting curved surface mirror
112；
Wherein, first surface 111 is fractional transmission part reflecting face, and first surface 111 includes semi-transparent semi-reflecting face；
Second surface 112 is transmission plane.
Illustratively, first surface 111 is fractional transmission part reflecting face and first surface 111 includes semi-transparent semi-reflecting face,
Such as semi-transparent semi-reflecting film can be attached on first surface 111, so that the display picture light 21 that display screen 20 issues is by portion
After dividing the first surface 111 of transmissive portion plane of reflection mirror 11, it is anti-that part shows that picture light 21 reflexes to fractional transmission part
It penetrates on curved mirror 12, reaches the of fractional transmission part plane of reflection mirror 11 after the reflection of fractional transmission part reflecting curved surface mirror 12
It is anti-to reach fractional transmission part after 111 fractional transmission of first surface of fractional transmission part plane of reflection mirror 11 for one surface 111
The second surface 112 for penetrating plane mirror 11 enters after the second surface 112 of fractional transmission part plane of reflection mirror 11 is wholly transmissive
Observer's eyes at exit pupil position guarantee that observer's eyes can see through second surface 112 and first surface 111
Content imaging 30 on display screen 20 at the distance of front, while observer's eyes again can be through second surface 112 and the
See that the reality scene in front, optical glasses realize augmented reality function in one surface 111.
Optionally, it can choose the semi-transparent semi-reflecting film of different characteristics, guarantee that display picture light 21 has in first surface 111
Standby different transmissions and reflecting effect, such as can choose the semi-transparent semi-reflecting film or 40% transmission of 50% transmission 50% reflection
The semi-transparent semi-reflecting film of 60% reflection, the utility model embodiment is to this without limiting.
Fig. 5 is a kind of structural schematic diagram of fractional transmission part reflecting curved surface mirror provided by the embodiment of the utility model, such as
Shown in Fig. 5, fractional transmission part reflecting curved surface mirror 12 provided by the embodiment of the utility model may include close part transmissive portions
Divide the third surface 121 of 11 side of plane of reflection mirror and the 4th surface far from 11 side of fractional transmission part plane of reflection mirror
122；
Wherein, third surface 121 is fractional transmission part reflecting face, and third surface 121 includes semi-transparent semi-reflecting aspherical；
4th surface 122 is transmission plane.
Illustratively, third surface 121 is fractional transmission part reflecting face and third surface 121 includes semi-transparent semi-reflecting aspheric
Face, such as semi-transparent semi-reflecting film can be attached on third surface 121, so that the display picture light 21 that display screen 20 issues passes through
The third surface 121 of fractional transmission part reflecting curved surface mirror 12 is incident to after fractional transmission part plane of reflection mirror 11, in third
Surface 121 occurs to enter the observation being located at exit pupil position after the transmission of fractional transmission part plane of reflection mirror 11 after part is reflected
Person's eyes, while it is transmission plane that the 4th surface 122, which is arranged, guarantees that observer's eyes pass through third surface 112 and the 4th surface 122
It can be seen that content imaging 30 on display screen 20 at certain distance of front, while observer's eyes can penetrate third surface again
121 and the 4th surface 122 see front reality scene, optical glasses realize augmented reality function.
Optionally, it can choose the semi-transparent semi-reflecting film of different characteristics, guarantee that display picture light 21 has on third surface 121
Standby different transmissions and reflecting effect, such as can choose the semi-transparent semi-reflecting film or 40% transmission of 50% transmission 50% reflection
The semi-transparent semi-reflecting film of 60% reflection, the utility model embodiment is to this without limiting.
Optionally, third surface 121 can be to be aspherical, and setting third surface 121 is semi-transparent semi-reflecting aspherical can protect
The modulation effect for demonstrate,proving 121 pairs of third surface display picture light 21 is good, guarantees that optical glasses imaging effect is good, guarantees for can be with
See the picture 30 of complete display.Meanwhile the utility model embodiment to the shape on the 4th surface 122 without limiting, the 4th table
The shape in face 122, which can be that spherical surface, aspherical, plane or multiple planes and multiple curved surfaces are successively smooth, connects not advising for formation
Lattice face, the utility model embodiment, without limiting, need to only guarantee that the 4th surface 122 is wholly transmissive face, for passing through to this
4th surface 122 is clear that reality scene, while can see the virtual picture 30 clearly completed.
It continues to refer to figure 1 with shown in Fig. 3, the center and fractional transmission part of fractional transmission part plane of reflection mirror 11 are reflected
The line direction at the center of curved mirror 12 is parallel with first direction；Wherein, first direction and fractional transmission part plane of reflection mirror
The direction of 11 directed section transmissive portion reflecting curved surface mirrors 12 is parallel.Illustratively, setting unit transmissive portion plane of reflection mirror
11 center (the side Y in such as figure parallel with first direction with the line direction at the center of fractional transmission part reflecting curved surface mirror 12
To), it is ensured that 11 directed section transmissive portion reflecting curved surface mirror 12 of fractional transmission part plane of reflection mirror is in a first direction
With maximum plyability, it is flat that guarantee section transmissive portion reflecting curved surface mirror 12 can receive the reflection of fractional transmission part completely
The display picture light 21 that face mirror 11 reflects, while guarantee section transmissive portion reflection panel mirror 11 can receive part completely
On the one hand the display picture light 21 that transmissive portion reflecting curved surface mirror 12 reflects can guarantee to show using all to the greatest extent
Show picture light 21, obtains complete as 30；On the other hand it can also guarantee that the overall dimensions of eyeglass 10 are smaller, realize light
Learn the design of glasses small volume and less weightization.
Optionally, it continuing to refer to figure 1, shown in Fig. 2 and Fig. 3, the emergent pupils of optical glasses is away from for L, wherein 14mm≤L≤24m,
Center the distance between of the emergent pupil away from the exit pupil position and fractional transmission part plane of reflection mirror 11 that can be understood as optical glasses,
Rationally the emergent pupil of setting optical glasses meets 14mm≤L≤24m away from L, it is ensured that observer's eyes can when being located at exit pupil position
Clearly to observe the display picture of display screen, the display effect of optical glasses virtual screen is improved, improving optical glasses sink
Leaching sense, promotes user experience.
Fig. 6 is the corresponding relationship signal of a kind of angle of half field-of view and modulation transfer function provided by the embodiment of the utility model
Figure, as shown in fig. 6, curve 1 indicate 10 lines it is right/millimeter in the case of sagitta of arc direction corresponding angle of half field-of view-modulation transfer function
Corresponding relationship curve；Curve 2 indicate 10 lines it is right/millimeter in the case of meridian direction corresponding angle of half field-of view-modulation transfer function
Corresponding relationship curve；Curve 3 indicate 20 lines it is right/millimeter in the case of sagitta of arc direction corresponding angle of half field-of view-modulation transfer function
Corresponding relationship curve；Curve 4 indicate 20 lines it is right/millimeter in the case of meridian direction corresponding angle of half field-of view-modulation transfer function
Corresponding relationship curve；Curve 5 indicate 30 lines it is right/millimeter in the case of sagitta of arc direction corresponding angle of half field-of view-modulation transfer function
Corresponding relationship curve；Curve 6 indicate 30 lines it is right/millimeter in the case of meridian direction corresponding angle of half field-of view-modulation transfer function
Corresponding relationship curve；From curve 1 to curve 6 it is recognised that optical glasses provided by the embodiment of the utility model are within 20 °
Good modulating transfer function value is provided under angle of half field-of view, the solution picture of optical glasses works well.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation is readjusted, be combined with each other and is substituted without departing from the protection scope of the utility model.Therefore, although passing through
Above embodiments are described in further detail the utility model, but the utility model is not limited only to the above implementation
Example can also include more other equivalent embodiments in the case where not departing from the utility model design, and the utility model
Range is determined by the scope of the appended claims.
Claims (10)
1. a kind of optical glasses, which is characterized in that including be located at observer's eyes immediately ahead of eyeglass and with the eye
The display screen that mirror eyeglass is correspondingly arranged, the display location is above the eyeglass；
The display screen is for being emitted display picture light, and the long axis direction and horizontal direction parallel of the display screen, wherein
The horizontal direction is parallel with observer's left eye direction direction of observer's right eye；
The eyeglass includes fractional transmission part plane of reflection mirror and fractional transmission part reflecting curved surface mirror, the part
Transmissive portion plane of reflection mirror is located at close to the side of observer's eyes, and the fractional transmission part reflecting curved surface mirror is located at
Side far from observer's eyes；The display picture light enters after fractional transmission part plane of reflection mirror reflection
It is incident upon the fractional transmission part reflecting curved surface mirror, is incident to the portion after fractional transmission part reflecting curved surface mirror reflection
Divide transmissive portion plane of reflection mirror, enters observer's eyes after fractional transmission part plane of reflection mirror transmission.
2. optical glasses according to claim 1, which is characterized in that the optical glasses further include coupled lens group, institute
Coupled lens group is stated to be located between the display screen and the fractional transmission part plane of reflection mirror；
The coupled lens group includes at least a piece of coupled lens, and the coupled lens group is for receiving the display picture light
And the display picture light is transmitted through the fractional transmission part plane of reflection mirror.
3. optical glasses according to claim 2, which is characterized in that the display screen and coupled lens group is coaxial sets
It sets.
4. optical glasses according to claim 3, which is characterized in that the optical axis direction and first party of the coupled lens group
Angle between is α, wherein 70 °≤α≤90 °；Wherein, the first direction and the fractional transmission part plane of reflection
The direction that mirror is directed toward the fractional transmission part reflecting curved surface mirror is parallel.
5. optical glasses according to claim 3, which is characterized in that the material packet of coupled lens in the coupled lens group
Include low-dispersion material.
6. optical glasses according to claim 1, which is characterized in that the fractional transmission part plane of reflection mirror and first
Angle between direction is β, wherein 45 °≤β≤55 °；Wherein, the first direction and fractional transmission part reflection are flat
The direction that face mirror is directed toward the fractional transmission part reflecting curved surface mirror is parallel.
7. optical glasses according to claim 1, which is characterized in that the fractional transmission part plane of reflection mirror includes leaning on
The first surface of nearly fractional transmission part reflecting curved surface mirror side and the separate fractional transmission part reflecting curved surface mirror
The second surface of side；
Wherein, the first surface is fractional transmission part reflecting face and the first surface includes semi-transparent semi-reflecting face；
The second surface is transmission plane.
8. optical glasses according to claim 1, which is characterized in that the fractional transmission part reflecting curved surface mirror includes leaning on
The third surface of nearly fractional transmission part plane of reflection mirror side and the separate fractional transmission part plane of reflection mirror
4th surface of side；
Wherein, the third surface is fractional transmission part reflecting face and the third surface includes semi-transparent semi-reflecting aspherical；
4th surface is transmission plane.
9. optical glasses according to claim 1, which is characterized in that the center of the fractional transmission part plane of reflection mirror
It is parallel with first direction with the line direction at the center of the fractional transmission part reflecting curved surface mirror；Wherein, the first direction
It is parallel with the direction that the fractional transmission part plane of reflection mirror is directed toward the fractional transmission part reflecting curved surface mirror.
10. optical glasses according to claim 1, which is characterized in that the emergent pupil of the optical glasses away from for L, wherein
14mm≤L≤24m。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920412154.XU CN209514212U (en) | 2019-03-28 | 2019-03-28 | A kind of optical glasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920412154.XU CN209514212U (en) | 2019-03-28 | 2019-03-28 | A kind of optical glasses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209514212U true CN209514212U (en) | 2019-10-18 |
Family
ID=68187885
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920412154.XU Active CN209514212U (en) | 2019-03-28 | 2019-03-28 | A kind of optical glasses |
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| Country | Link |
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| CN (1) | CN209514212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114660808A (en) * | 2020-12-24 | 2022-06-24 | 宁波舜宇光电信息有限公司 | Near-to-eye display device |
-
2019
- 2019-03-28 CN CN201920412154.XU patent/CN209514212U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114660808A (en) * | 2020-12-24 | 2022-06-24 | 宁波舜宇光电信息有限公司 | Near-to-eye display device |
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