CN108919495A - A kind of 3D head-up-display system and its design method, automobile - Google Patents
A kind of 3D head-up-display system and its design method, automobile Download PDFInfo
- Publication number
- CN108919495A CN108919495A CN201810866539.3A CN201810866539A CN108919495A CN 108919495 A CN108919495 A CN 108919495A CN 201810866539 A CN201810866539 A CN 201810866539A CN 108919495 A CN108919495 A CN 108919495A
- Authority
- CN
- China
- Prior art keywords
- eye
- virtual
- pupil
- unit
- eye pupil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 210000001747 pupil Anatomy 0.000 claims abstract description 201
- 230000003287 optical effect Effects 0.000 claims abstract description 41
- 238000003384 imaging method Methods 0.000 claims description 18
- 238000012634 optical imaging Methods 0.000 claims description 9
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 239000011800 void material Substances 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 4
- 238000013041 optical simulation Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 230000003447 ipsilateral effect Effects 0.000 claims description 2
- 238000009738 saturating Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 238000009877 rendering Methods 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 4
- 230000003190 augmentative effect Effects 0.000 description 3
- 210000004556 brain Anatomy 0.000 description 3
- 210000003128 head Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010181 polygamy Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Arrangement of adaptations of instruments
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
-
- B60K2360/334—
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0132—Head-up displays characterised by optical features comprising binocular systems
- G02B2027/0134—Head-up displays characterised by optical features comprising binocular systems of stereoscopic type
Abstract
The embodiment of the invention discloses a kind of 3D head-up-display system and its design method, automobile, the 3D head-up-display system includes display unit, 3D functional unit, optical image unit and semi-transparent semi-reflecting unit；Display unit is for showing image information and exit image light；3D functional unit is located at the light emission side side of display unit, for focusing on image light respectively at virtual left eye eye pupil and at virtual right eye eye pupil；Alternatively, the reverse extending line of image light is focused on respectively at virtual left eye eye pupil and at virtual right eye eye pupil；Optical image unit and semi-transparent semi-reflecting unit for reflexing to image light in left eye eye pupil window and right eye eye pupil window respectively.By adopting the above technical scheme, 3D display can be realized in head-up-display system, promote user experience.
Description
Technical field
The present embodiments relate to new line field of display technology more particularly to a kind of 3D head-up-display system and its design sides
Method, automobile.
Background technique
Augmented reality, which comes back, shows that (Augmented Reality Head Up Display, AR HUD) is emerging in recent years
The technology risen, main purpose is that automobile cabin is built into an optical imaging system, the virtual image formed by optical system
It is incident upon certain distance (such as 8 meters) in front of headstock, image information (as navigated) is superimposed with real information (such as road), reaches
To the purpose of augmented reality.Relative to instrument board or common HUD system, AR HUD system can more allow driver to concentrate one's energy driving
It sails on vehicle, effectively improves safety.
Image formed by AR HUD is plane, therefore image information can not be fused in reality completely.Based on double
Visually poor naked eye 3D technology can allow observer to see 3D stereo-picture, but due to the particularity of AR HUD optical system and again
How polygamy is effectively combined together naked eye 3D technology and AR HUD technology, is always industry problem to be solved.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of 3D head-up-display system and its design method, automobile, it is existing to solve
There is the technical issues of AR HUD and naked eye 3D technology can not combine in technology.
In a first aspect, the embodiment of the invention provides a kind of 3D head-up-display systems, including：
Display unit, 3D functional unit, optical image unit and semi-transparent semi-reflecting unit；
The display unit is for showing image information and exit image light；
The 3D functional unit is located at the light emission side side of the display unit, for focusing described image light respectively
At virtual left eye eye pupil and at virtual right eye eye pupil；Alternatively, for the reverse extending line of described image light to be focused respectively
At virtual left eye eye pupil and at virtual right eye eye pupil；Wherein, the virtual left eye eye pupil is left eye eye pupil about the optics
Image-forming component imaging, the virtual right eye eye pupil are right eye eye pupil about the optical imaging element imaging；
The optical image unit and the semi-transparent semi-reflecting unit are used to described image light reflexing to left eye eye respectively
In pupil window and right eye eye pupil window.
Optionally, when the virtual left eye eye pupil and the virtual right eye eye pupil and left eye eye pupil and right eye eye pupil position
When the same side of the display 3D functional unit, the 3D functional unit is used to respectively focus on described image light described
At virtual left eye eye pupil and at the virtual right eye eye pupil image；
Described in being located at when the virtual left eye eye pupil and the virtual right eye eye pupil and left eye eye pupil and right eye eye pupil
Show 3D functional unit it is not ipsilateral when, the 3D functional unit for focusing the reverse extending line of described image light respectively
At the virtual left eye eye pupil and at the virtual right eye eye pupil.
Optionally, the 3D functional unit include cylindrical lenses, parallax barrier, microlens array, be directed toward back light unit or
At least one of person's liquid crystal grating.
Optionally, the optical image unit includes at least one curve lens structure, and the curve lens structure is used for
Processing is amplified to incident described image light, and reflects described image light to the semi-transparent semi-reflecting unit.
Optionally, the optical image unit further includes a plane reflection lens structure, the plane reflection lens structure
The described image light of the curve lens structure incidence is received, and reflects described image light to the semi-transparent semi-reflecting unit.
Optionally, the semi-transparent semi-reflecting unit is windshield.
Second aspect, the embodiment of the invention also provides a kind of design methods of 3D head-up-display system, for designing shape
At the 3D head-up-display system that such as first aspect provides, including：
Determine virtual left eye eye pupil position and virtual right eye eye pupil position, wherein the virtual left eye eye pupil is left eye eye
For pupil about the optical image unit imaging, the virtual right eye eye pupil is right eye eye pupil about the optical image unit
Imaging；
Virtual sighting distance and virtual interpupillary distance are determined according to the virtual left eye eye pupil position and the virtual right eye eye pupil position；
Wherein, the virtual sighting distance indicate between the virtual left eye eye pupil and the virtual right eye eye pupil and the display unit away from
From the virtual interpupillary distance indicates the spacing between the virtual left eye eye pupil and the virtual right eye eye pupil；
The 3D functional unit is determined according to the display unit pixel size, the virtual sighting distance and the virtual interpupillary distance
Design parameter and the distance between the 3D functional unit and the display unit；
According between the design parameter of the 3D functional unit and the 3D functional unit and the display unit away from
From building 3D head-up-display system.
Optionally, virtual left eye eye pupil position and virtual right eye eye pupil position are determined, including：
Virtual left eye eye pupil position and virtual right eye eye pupil position are determined by the way of geometric operation or optical simulation.
Optionally, before determining virtual left eye eye pupil position and virtual right eye eye pupil position, further include：
Determine the display parameters of the 3D head-up-display system；Wherein, the display parameters include Image display position and
Image magnification；
The 3D head-up-display system is adjusted according to the display parameters.
The third aspect, the embodiment of the invention also provides a kind of automobiles, come back including the 3D that first aspect provides and show system
System
3D head-up-display system provided in an embodiment of the present invention and its design method, automobile, 3D head-up-display system include
Display unit is emitted by display unit, 3D functional unit, optical image unit and semi-transparent semi-reflecting unit by 3D functional unit
Image light focused at virtual left eye eye pupil and virtual right eye eye pupil respectively；Alternatively, the image light that display unit is emitted
The reverse extending line of line is focused on respectively at virtual left eye eye pupil and at virtual right eye eye pupil, in this way, virtual left eye eye pupil and void
Quasi- right eye eye pupil can see 3D rendering, according to image-forming principle, since virtual eye pupil viewing display unit is equivalent to true eye pupil
Display unit, therefore technical solution provided in an embodiment of the present invention are watched by 3D head-up-display system, guarantees observer in 3D
Three-dimensional image can be watched in head-up-display system, promote observer's usage experience.
Detailed description of the invention
In order to more clearly illustrate the technical scheme of the exemplary embodiment of the present invention, below to required in description embodiment
The attached drawing to be used does a simple introduction.Obviously, the attached drawing introduced is present invention a part of the embodiment to be described
Attached drawing, rather than whole attached drawings without creative efforts, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of displaying principle schematic diagram of head-up-display system in the prior art；
Fig. 2 is a kind of structural schematic diagram of 3D head-up-display system provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of 3D head-up-display system displaying principle provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of another kind 3D head-up-display system displaying principle provided in an embodiment of the present invention；
Fig. 5 is a kind of flow diagram of the design method of 3D head-up-display system provided in an embodiment of the present invention；
Fig. 6 is a kind of schematic illustration for determining virtual sighting distance and virtual interpupillary distance provided in an embodiment of the present invention；
Fig. 7 is the design parameter and determining 3D functional unit of a kind of determining 3D functional unit provided in an embodiment of the present invention
The schematic illustration of the distance between display unit.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below with reference to attached in the embodiment of the present invention
Figure, by specific embodiment, is fully described by technical solution of the present invention.Obviously, described embodiment is of the invention
A part of the embodiment, instead of all the embodiments, based on the embodiment of the present invention, those of ordinary skill in the art are not doing
The every other embodiment obtained under the premise of creative work out, falls within the scope of protection of the present invention.
Fig. 1 is a kind of displaying principle schematic diagram of head-up-display system in the prior art, as shown in Figure 1, existing come back shows
Show that system may include display unit 11, optical image unit 12 and windshield 13, wherein the light that display unit 11 issues
Observer's eyes are carried out after optical image unit 12 and windshield 13 reflect, observer can see the display of display unit 11
Image information, such as current vehicle speed information or present engine rotary speed information etc..But what observer watched is all two
Information is tieed up, if observer wants to watch 3 D stereo information, needs to wear 3D glasses, or former based on naked eye 3D display
Reason, needs to place optical element in front of the observer visual field, changes the propagation path of original light by optical element, realizes 3D
Display.But place optical element in front of the observer visual field and will affect observer's viewing windshield, influence observer's driving
Sight causes traffic safety hidden danger.
Based on above-mentioned technical problem, a kind of 3D head-up-display system provided in an embodiment of the present invention, including display unit, 3D
Functional unit, optical image unit and semi-transparent semi-reflecting unit；Display unit is for showing image information and exit image light；
3D functional unit is located at the light emission side side of display unit, for focusing on image light respectively at virtual left eye eye pupil and void
At quasi- right eye eye pupil；Alternatively, for the reverse extending line of image light to be focused at virtual left eye eye pupil and virtual right respectively
At eye eye pupil；Wherein, the virtual left eye eye pupil is left eye eye pupil about the optical imaging element imaging, described virtual
Right eye eye pupil is right eye eye pupil about the optical imaging element imaging；Optical image unit and semi-transparent semi-reflecting unit are used for
Image light is reflexed to respectively in the left eye eye pupil window and right eye eye pupil window.Using above-mentioned technical side
Case, 3D functional unit by the reverse extending line focus of image light or image light at virtual left eye eye pupil, by image light
The reverse extending line focus of line or image light is watched display unit by virtual eye pupil and is equivalent at virtual right eye eye pupil
True eye pupil watches display unit by 3D head-up-display system, guarantees that observer can watch in 3D head-up-display system
Naked eye 3D technology and HUD technology are effectively combined together by three-dimensional image, promote observer's usage experience.
It is core of the invention thought above, following will be combined with the drawings in the embodiments of the present invention, to the embodiment of the present invention
In technical solution be clearly and completely described.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Under the premise of making creative work, every other embodiment obtained be shall fall within the protection scope of the present invention.
Fig. 2 is a kind of structural schematic diagram of 3D head-up-display system provided in an embodiment of the present invention, as shown in Fig. 2, this hair
The 3D head-up-display system that bright embodiment provides may include：Display unit 21,3D functional unit 22, optical image unit 23 with
And semi-transparent semi-reflecting unit 24；
Display unit 21 is for showing image information and exit image light；
3D functional unit 22 is located at the light emission side side of display unit 21, for image light to be focused on to a virtual left side respectively
At eye eye pupil and at virtual right eye eye pupil；Alternatively, for the reverse extending line of image light to be focused on virtual left eye eye respectively
At pupil and at virtual right eye eye pupil；Wherein, virtual left eye eye pupil is left eye eye pupil about 23 imaging of optical imaging element, empty
Quasi- right eye eye pupil is right eye eye pupil about 23 imaging of optical imaging element；
Image light for being reflexed to left eye eye pupil form model by optical image unit 23 and semi-transparent semi-reflecting unit 24 respectively
Enclose and right eye eye pupil window in.
Illustratively, it is seen since virtual eye pupil viewing display unit 21 is equivalent to true eye pupil by 3D head-up-display system
See display unit 21, therefore, the present invention creatively uses 3D functional unit 22, the image light that display unit 21 is emitted point
It does not focus at virtual left eye eye pupil and at virtual right eye eye pupil；Alternatively, the reversed of image light that display unit 21 is emitted is prolonged
Long line is focused on respectively at virtual left eye eye pupil and at virtual right eye eye pupil；Wherein, virtual left eye eye pupil be left eye eye pupil about
23 imaging of optical imaging element, virtual right eye eye pupil are right eye eye pupil about 23 imaging of optical imaging element, so
It is not necessary that optical element is arranged in front of observer's eye pupil, it is also ensured that observer observes three-dimensional image, guarantees observation
Person's experience effect is good.
Optionally, optical image unit 23 and semi-transparent semi-reflecting unit 24 are located at 3D functional unit 22 far from display unit 21
Side, for the image light passed through after 3D functional unit 22 to be reflexed to left eye eye pupil window and right eye eye respectively
In pupil window, guarantee that observer's left eye and right eye can watch image information respectively, and left eye and right eye are watched
Image information may exist gap, such as left eye can see left-eye image, and right eye can see eye image, handle through brain
After obtain 3D rendering.
To sum up, technical solution provided in an embodiment of the present invention, the image light for being emitted display unit by 3D functional unit
Line is focused on respectively at virtual left eye eye pupil and virtual right eye eye pupil；Alternatively, by the reversed of the image light of display unit outgoing
Extended line is focused on respectively at virtual left eye eye pupil and at virtual right eye eye pupil, in this way, virtual left eye eye pupil and virtual right eye eye
Pupil can see 3D rendering, according to image-forming principle, lift since virtual eye pupil viewing display unit is equivalent to true eye pupil by 3D
Head display system watches display unit, therefore technical solution provided in an embodiment of the present invention, guarantees that observer comes back in 3D and shows
Three-dimensional image can be watched in system, promote observer's usage experience.
Optionally, based on the relative positional relationship between observer and optical image unit 23, the left eye eye pupil of observer
Position, right eye eye pupil position and virtual left eye eye pupil position, virtual right eye eye pupil position can be all located at the same of display unit 21
Side can also be located at the two sides of display unit 21, will be described in detail in two kinds of situation below.
Fig. 3 is a kind of structural schematic diagram of 3D head-up-display system displaying principle provided in an embodiment of the present invention, and Fig. 3 is to see
The left eye eye pupil and right eye eye pupil and virtual left eye eye pupil of survey person and virtual right eye eye pupil are all located at the same side of display unit 21,
And display unit 21 shows that two visual point images (left-eye image light and eye image light) illustrate.Such as Fig. 3
Shown, the left-eye image light that display unit 21 is emitted is focused on after 3D functional unit 22 at virtual left eye eye pupil position, is shown
The eye image light for showing that unit 21 is emitted is focused on after 3D functional unit 22 at virtual right eye eye pupil position, in this way, virtually
Left eye eye pupil can see left-eye image, and virtual right eye eye pupil can see eye image, according to image-forming principle, it is ensured that true
Real left eye eye pupil can see left-eye image, and true right eye eye pupil can see eye image, and 3D figure is obtained after brain is handled
Picture.
Fig. 4 is the structural schematic diagram of another kind 3D head-up-display system displaying principle provided in an embodiment of the present invention, Fig. 4 with
The left eye eye pupil and right eye eye pupil and virtual left eye eye pupil of observer and virtual right eye eye pupil are located at the two of display unit 21
Side and display unit 21 show that two visual point images (left-eye image light and eye image light) illustrate.Such as figure
Shown in 4, the left-eye image light that display unit 21 is emitted dissipates after 3D functional unit 22, but left-eye image light is reversed
Extended line focuses at virtual left eye eye pupil position, and the eye image light that display unit 21 is emitted is sent out after 3D functional unit 22
It dissipates, but the reverse extending line focus of eye image light is at virtual right eye eye pupil position, in this way, virtual left eye eye pupil can be with
See left-eye image, virtual right eye eye pupil can see eye image, according to image-forming principle, it is ensured that true left eye eye pupil can
To see left-eye image, true right eye eye pupil can see eye image, obtain 3D rendering after brain is handled.
It should be noted is that 3D functional unit provided in an embodiment of the present invention may include cylindrical lenses, parallax barrier
Wall, is directed toward at least one of back light unit or liquid crystal grating at microlens array, and Fig. 3 and Fig. 4 are only using 3D functional unit as column
It is illustrated for shape lens, it is to be understood that as long as can change light propagation path, the optics for realizing naked eye 3D display
Element can be used as 3D functional unit 22, and the embodiment of the present invention is to this without limiting.
Optionally, with continued reference to shown in Fig. 2, optical image unit 23 provided in an embodiment of the present invention may include at least one
A curve lens structure 231, curve lens structure 231 are used to amplify processing, and reflected image to incident image light
Light is to semi-transparent semi-reflecting unit 24.
As shown in Fig. 2, curve lens structure 231 receives the incident image light of 3D functional unit 22 and is reflected,
In, curve lens structure 231 has amplification, and the image that display unit 21 is shown is amplified, and guarantees that observer is final
Observe clearly enlarged drawing.Wherein, when the focal length of curve lens structure 231 is bigger, the times magnification of curve lens structure 231
Rate is bigger.In actual use, the curve lens structure of different enlargement ratios can be selected according to observer's actual demand
131。
It should be noted that optical image unit 23 provided in an embodiment of the present invention can also include multiple curve lens knots
Structure (not shown), each curve lens structure can amplify left-eye image and eye image, wherein Mei Gequ
The focal length of face lens structure can be the same or different, and can select one or more according to practical enlargement ratio demand
Curve lens structure, the embodiment of the present invention is to this without limiting.
With continued reference to shown in Fig. 2, optical image unit 23 provided in an embodiment of the present invention can also include a plane reflection
Lens structure 232, planar optics catoptric arrangement 232 receive the incident image light of curve lens structure 231, and reflected image light
Line is to semi-transparent semi-reflecting unit 24.It is further adjusted, is guaranteed by propagation path of the flat mirror structure 232 to image light
Image light may finally respectively enter within the scope of left eye eye pupil and within the scope of right eye eye pupil after the reflection of semi-transparent semi-reflecting unit 24.
It should be noted that optical image unit 23 provided in an embodiment of the present invention can also include multiple planar optics knots
Structure (not shown), each planar optics structure can be adjusted the propagation path of image light, guarantee image light
Line may finally respectively enter within the scope of left eye eye pupil and within the scope of right eye eye pupil after the reflection of semi-transparent semi-reflecting unit 24.
Optionally, semi-transparent semi-reflecting unit 24 provided in an embodiment of the present invention can be windshield.
Based on the same inventive concept, the embodiment of the invention also provides a kind of design methods of 3D head-up-display system, use
In designing 3D head-up-display system provided in an embodiment of the present invention, shown as shown in figure 5,3D provided in an embodiment of the present invention comes back
The design method of system may include；
S110, virtual left eye eye pupil position and virtual right eye eye pupil position are determined.
Illustratively, left eye eye pupil position can be determined according to the relative positional relationship between observer and optical image unit
Set with right eye eye pupil position, such as by using geometric operation or optical simulation mode determine virtual left eye eye pupil position and
Virtual right eye eye pupil position.For example, determining virtual left eye eye pupil position and virtual right eye eye pupil by way of optical simulation
When position, it can be used in optical software (such as ZEMAX) and establish each optical element, optimized by majorized function, obtain void
Quasi- sighting distance and virtual interpupillary distance
Specifically, Fig. 6 is a kind of schematic illustration for determining virtual sighting distance and virtual interpupillary distance provided in an embodiment of the present invention,
Fig. 6 determines virtual left eye eye pupil position and virtual right eye eye pupil position particular by the method for geometric operation.Such as Fig. 6 institute
Show, it is assumed that optical image unit 23 be perfect optics imaging unit, focal length f, observer's left eye eye pupil and right eye eye pupil away from
It is L1 with a distance from imaging system center, the distance at virtual left eye eye pupil and virtual right eye pupil distance imaging system center is
L2 has 1/f=1/L1+1/L2 according to imaging formula, due to f and L1 it is known that L2 therefore can be calculated, that is, determines virtual left
Eye eye pupil position and virtual right eye eye pupil position.
S120, virtual sighting distance and virtual is determined according to the virtual left eye eye pupil position and the virtual right eye eye pupil position
Interpupillary distance.
With continued reference to shown in Fig. 6, the spacing between left eye eye pupil and right eye eye pupil is W1, virtual left eye eye pupil and right eye eye
Spacing, that is, virtual interpupillary distance between pupil is W2, has W1/W2=L1/L2 according to triangle formula, W1, L1 it is known that L2 in step S110
In be calculated, thus may determine that virtual interpupillary distance W2.It is additionally, due to display unit and imaging system center distance L3
(being obtained when being designed by head-up-display system) known, therefore virtual sighting distance L4 can also be calculated：L4=L2-L3.
S130, the 3D function is determined according to the display unit pixel size, the virtual sighting distance and the virtual interpupillary distance
The design parameter and the distance between the 3D functional unit and the display unit of energy unit.
Illustratively, Fig. 7 is design parameter and the determination of a kind of determining 3D functional unit provided in an embodiment of the present invention
The schematic illustration of the distance between 3D functional unit and display unit, Fig. 7 are illustrated by taking parallax barrier (slit grating) as an example
How to determine the design parameter of 3D functional unit and determines the distance between 3D functional unit and display unit.As shown in fig. 7,
Assuming that the pixel cell size of display unit 21 is W3, the specification by display unit 21 is available；If slit grating and aobvious
Show that the distance between unit 21 is L5, the pitch of slit grating is W5, gap W4, by the available following public affairs of triangle relation
Formula：W3/W4=L4/ (L4+L5), (2*W3)/W5=L4/ (L4+L5), W3/W2=L5/ (L4+L5) can be with according to above-mentioned formula
Know the distance between slit grating and display unit 21 L5=W3*L4/ (W2-W3)；The pitch W5=2*W2* of slit grating
W3/(W2-W3)；The gap W4=W2*W3/ (W2-W3) of slit grating, so determined 3D functional unit design parameter and
The distance between 3D functional unit and display unit.
S140, according between the design parameter and the 3D functional unit and the display unit of the 3D functional unit
Distance construct 3D head-up-display system.
Illustratively, according to the design parameter of 3D functional unit and the distance between 3D functional unit and display unit,
The combination of 3D functional unit is entered into head-up-display system, forms 3D head-up-display system as shown in Figure 2, guarantee that observer can
To watch 3D rendering.
The design method of 3D head-up-display system provided in an embodiment of the present invention, according to observer and optical image unit it
Between relative positional relationship determine virtual left eye eye pupil position and virtual right eye eye pupil position, then according to virtual left eye eye pupil position
It sets and determines virtual sighting distance and virtual interpupillary distance with the virtual right eye eye pupil position, later according to display unit pixel size, virtual
Sighting distance and virtual interpupillary distance determine the design parameter and the distance between 3D functional unit and display unit of 3D functional unit, finally
The 3D functional unit for meeting design parameter is added in head-up-display system, 3D head-up-display system is formed, guarantees 3D function list
Member can focus on respectively the image light that display unit is emitted at virtual left eye eye pupil and virtual right eye eye pupil；Alternatively, energy
It is enough to focus on the reverse extending line for the image light that display unit is emitted at virtual left eye eye pupil and virtual right eye eye pupil respectively
Place is watched since virtual eye pupil viewing display unit is equivalent to true eye pupil by 3D head-up-display system according to image-forming principle
Display unit, therefore technical solution provided in an embodiment of the present invention guarantee that observer can watch in 3D head-up-display system
To three-dimensional image, observer's usage experience is promoted.
Optionally, in the embodiment of the present invention, before determining virtual left eye eye pupil position and virtual right eye eye pupil position, may be used also
To include：
Determine the display parameters of 3D head-up-display system；Wherein, display parameters include Image display position and image amplification
Multiple；
3D head-up-display system is adjusted according to display parameters.
Illustratively, before the design parameter for determining 3D functional unit, it is thus necessary to determine that the display of head-up-display system is joined
Number, what which indicated be the Image display position that image that display unit is shown is shown on semi-transparent semi-reflecting unit and
Amplification factor between observer's display image observed and the display image of display unit actual displayed.It is shown according to image
Position and image magnification, the opposite position between adjustable display unit, optical image unit and semi-transparent semi-reflecting unit
It sets, or adjusts the amplification factor of optical image unit, to meet different observers to the different demands of head-up-display system.
Further, the embodiment of the invention also provides a kind of automobile, which includes 3D provided in an embodiment of the present invention
Head-up-display system has corresponding function and beneficial effect, and which is not described herein again.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts, be combined with each other and substitutes without departing from protection scope of the present invention.Therefore, although by above embodiments to this
Invention is described in further detail, but the present invention is not limited to the above embodiments only, is not departing from present inventive concept
In the case of, it can also include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of 3D head-up-display system, which is characterized in that including：Display unit, 3D functional unit, optical image unit and
Semi-transparent semi-reflecting unit；
The display unit is for showing image information and exit image light；
The 3D functional unit is located at the light emission side side of the display unit, for described image light to be focused on void respectively
At quasi- left eye eye pupil and at virtual right eye eye pupil；Alternatively, for the reverse extending line of described image light to be focused on void respectively
At quasi- left eye eye pupil and at virtual right eye eye pupil；Wherein, the virtual left eye eye pupil is left eye eye pupil about the optical imagery
Element imaging, the virtual right eye eye pupil are right eye eye pupil about the optical imaging element imaging；
The optical image unit and the semi-transparent semi-reflecting unit are used to reflexing to described image light into left eye eye pupil view respectively
In window range and right eye eye pupil window.
2. 3D head-up-display system according to claim 1, which is characterized in that when the virtual left eye eye pupil and described
When virtual right eye eye pupil and left eye eye pupil and right eye eye pupil are located at the same side of the display 3D functional unit, the 3D function
Unit for focusing on described image light at the virtual left eye eye pupil and at the virtual right eye eye pupil respectively；
When the virtual left eye eye pupil and the virtual right eye eye pupil and left eye eye pupil and right eye eye pupil are located at the display
3D functional unit it is not ipsilateral when, the 3D functional unit is used to the reverse extending line of described image light focusing on institute respectively
It states at virtual left eye eye pupil and at the virtual right eye eye pupil.
3. 3D head-up-display system according to claim 1, which is characterized in that the 3D functional unit includes that column is saturating
Mirror, microlens array, is directed toward at least one of back light unit or liquid crystal grating at parallax barrier.
4. 3D head-up-display system according to claim 1, which is characterized in that the optical image unit includes at least one
A curve lens structure, the curve lens structure is used to amplify processing to incident described image light, and reflects institute
Image light is stated to the semi-transparent semi-reflecting unit.
5. 3D head-up-display system according to claim 4, which is characterized in that the optical image unit further includes one flat
Face reflecting optics structure, the plane reflection lens structure receive the described image light of the curve lens structure incidence, and
Described image light is reflected to the semi-transparent semi-reflecting unit.
6. 3D head-up-display system according to claim 1, which is characterized in that the semi-transparent semi-reflecting unit is the glass that keeps out the wind
Glass.
7. a kind of design method of 3D head-up-display system as claimed in any one of claims 1 to 6, which is characterized in that including：
Determine virtual left eye eye pupil position and virtual right eye eye pupil position, wherein the virtual left eye eye pupil is left eye eye pupil pass
In the optical image unit imaging, the virtual right eye eye pupil for right eye eye pupil about the optical image unit institute at
Picture；
Virtual sighting distance and virtual interpupillary distance are determined according to the virtual left eye eye pupil position and the virtual right eye eye pupil position；Its
In, the virtual sighting distance indicate between the virtual left eye eye pupil and the virtual right eye eye pupil and the display unit away from
From the virtual interpupillary distance indicates the spacing between the virtual left eye eye pupil and the virtual right eye eye pupil；
Setting for the 3D functional unit is determined according to the display unit pixel size, the virtual sighting distance and the virtual interpupillary distance
Count parameter and the distance between the 3D functional unit and the display unit；
According to the design parameter of the 3D functional unit and the distance between the 3D functional unit and the display unit structure
Build 3D head-up-display system.
8. design method according to claim 7, which is characterized in that determine virtual left eye eye pupil position and virtual right eye eye
Pupil position, including：
Virtual left eye eye pupil position and virtual right eye eye pupil position are determined by the way of geometric operation or optical simulation.
9. design method according to claim 7, which is characterized in that determine virtual left eye eye pupil position and virtual right eye eye
Before pupil position, further include：
Determine the display parameters of the 3D head-up-display system；Wherein, the display parameters include Image display position and image
Amplification factor；
The 3D head-up-display system is adjusted according to the display parameters.
10. a kind of automobile, which is characterized in that including 3D head-up-display system described in any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810866539.3A CN108919495A (en) | 2018-08-01 | 2018-08-01 | A kind of 3D head-up-display system and its design method, automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810866539.3A CN108919495A (en) | 2018-08-01 | 2018-08-01 | A kind of 3D head-up-display system and its design method, automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108919495A true CN108919495A (en) | 2018-11-30 |
Family
ID=64394083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810866539.3A Pending CN108919495A (en) | 2018-08-01 | 2018-08-01 | A kind of 3D head-up-display system and its design method, automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108919495A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109901297A (en) * | 2018-12-20 | 2019-06-18 | 苏州车萝卜汽车电子科技有限公司 | HUD imaging system, implementation method, HUD |
| WO2020235375A1 (en) * | 2019-05-20 | 2020-11-26 | 日本精機株式会社 | Display device |
| WO2020235376A1 (en) * | 2019-05-20 | 2020-11-26 | 日本精機株式会社 | Display device |
| CN113147595A (en) * | 2020-01-22 | 2021-07-23 | 未来（北京）黑科技有限公司 | Vehicle driving control system based on stereoscopic vision display |
| CN113156645A (en) * | 2020-01-22 | 2021-07-23 | 未来（北京）黑科技有限公司 | Vehicle intelligent auxiliary system based on stereoscopic vision display |
| CN113703166A (en) * | 2021-07-30 | 2021-11-26 | 的卢技术有限公司 | AR-HUD method and system through diffraction holographic imaging |
| TWI769448B (en) * | 2020-04-17 | 2022-07-01 | 怡利電子工業股份有限公司 | Projection device for projection of stereo images |
| TWI783622B (en) * | 2021-08-12 | 2022-11-11 | 怡利電子工業股份有限公司 | Directivity backlight display device with reflector curvature assisted diffuser |
| TWI807066B (en) * | 2019-07-08 | 2023-07-01 | 怡利電子工業股份有限公司 | Glasses-free 3D reflective diffuser head-up display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2997515A1 (en) * | 2012-10-31 | 2014-05-02 | Renault Sa | Optical system for displaying three-dimensional image to observer within car, has image generator generating auto-stereoscopic image with two distinct objects, where each object includes three-dimensional depth about accommodation plane |
| CN104777614A (en) * | 2014-01-13 | 2015-07-15 | 罗伯特·博世有限公司 | Field of vision display for displaying image information in two independent images to a viewer |
| CN106054383A (en) * | 2015-04-02 | 2016-10-26 | 罗伯特·博世有限公司 | Head-up display and method for generating automatic and stereoscopic observation type image |
-
2018
- 2018-08-01 CN CN201810866539.3A patent/CN108919495A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2997515A1 (en) * | 2012-10-31 | 2014-05-02 | Renault Sa | Optical system for displaying three-dimensional image to observer within car, has image generator generating auto-stereoscopic image with two distinct objects, where each object includes three-dimensional depth about accommodation plane |
| CN104777614A (en) * | 2014-01-13 | 2015-07-15 | 罗伯特·博世有限公司 | Field of vision display for displaying image information in two independent images to a viewer |
| CN106054383A (en) * | 2015-04-02 | 2016-10-26 | 罗伯特·博世有限公司 | Head-up display and method for generating automatic and stereoscopic observation type image |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109901297A (en) * | 2018-12-20 | 2019-06-18 | 苏州车萝卜汽车电子科技有限公司 | HUD imaging system, implementation method, HUD |
| WO2020235375A1 (en) * | 2019-05-20 | 2020-11-26 | 日本精機株式会社 | Display device |
| WO2020235376A1 (en) * | 2019-05-20 | 2020-11-26 | 日本精機株式会社 | Display device |
| JP7416061B2 (en) | 2019-05-20 | 2024-01-17 | 日本精機株式会社 | display device |
| TWI807066B (en) * | 2019-07-08 | 2023-07-01 | 怡利電子工業股份有限公司 | Glasses-free 3D reflective diffuser head-up display device |
| CN113147595A (en) * | 2020-01-22 | 2021-07-23 | 未来（北京）黑科技有限公司 | Vehicle driving control system based on stereoscopic vision display |
| CN113156645A (en) * | 2020-01-22 | 2021-07-23 | 未来（北京）黑科技有限公司 | Vehicle intelligent auxiliary system based on stereoscopic vision display |
| TWI769448B (en) * | 2020-04-17 | 2022-07-01 | 怡利電子工業股份有限公司 | Projection device for projection of stereo images |
| CN113703166A (en) * | 2021-07-30 | 2021-11-26 | 的卢技术有限公司 | AR-HUD method and system through diffraction holographic imaging |
| TWI783622B (en) * | 2021-08-12 | 2022-11-11 | 怡利電子工業股份有限公司 | Directivity backlight display device with reflector curvature assisted diffuser |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108919495A (en) | A kind of 3D head-up-display system and its design method, automobile | |
| US8253653B2 (en) | Image observation system | |
| WO2009066408A4 (en) | Display device, display method and head-up display | |
| US6803884B1 (en) | Projection image display device | |
| CN207557584U (en) | Augmented reality head-up display device | |
| US10705333B2 (en) | Projection optical system and head-up display apparatus using the same | |
| CN107238927A (en) | Vehicle projection display apparatus | |
| JP2009015128A (en) | Three-dimensional image display device | |
| US5751493A (en) | Head-mounted display apparatus with a single image display device | |
| JPWO2017061040A1 (en) | Projection optical system and head-up display device | |
| JPWO2016047009A1 (en) | Head-up display and moving body | |
| US20220317448A1 (en) | AR Optical System and AR Display Device | |
| CN108761802A (en) | A kind of bore hole 3D-HUD display devices | |
| US20190310474A1 (en) | Virtual image display device | |
| JP2011064902A (en) | Display device and display method | |
| US6980363B1 (en) | Image observation apparatus and system | |
| CN111751988B (en) | Depth of field adjusting method and device and binocular near-to-eye display equipment | |
| JPH02234139A (en) | Real-image type finder for eye level and waist level | |
| CN108710208A (en) | A kind of head-up-display system and automobile | |
| CN219676374U (en) | Display device, head-up display device and vehicle | |
| JP2021067909A (en) | Stereoscopic display device and head-up display apparatus | |
| CN105334629A (en) | Optical imaging system, three-dimensional display system and vehicle-mounted three-dimensional display system | |
| CN209297031U (en) | Head-up display device | |
| JP4627334B1 (en) | Stereoscopic image display device | |
| EP3534202B1 (en) | Virtual image display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181130 |