CN109901297A - HUD imaging system, implementation method, HUD - Google Patents
HUD imaging system, implementation method, HUD Download PDFInfo
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- CN109901297A CN109901297A CN201811564431.5A CN201811564431A CN109901297A CN 109901297 A CN109901297 A CN 109901297A CN 201811564431 A CN201811564431 A CN 201811564431A CN 109901297 A CN109901297 A CN 109901297A
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Abstract
This application discloses a kind of HUD imaging systems, implementation method, HUD.The HUD imaging system includes image generation unit PGU, uses laser light source；Image imaging unit, for handling the projected image of the laser light source；And holographic optical elements (HOE) HOE, use the transparent material including reflection hologram.Lower, the higher technical problem of power consumption that present application addresses the HUD imaging system efficiencies of light energy utilization.Pass through the reflectivity or the efficiency of light energy utilization that can significantly improve imaging system of HUD imaging system in the application.Furthermore HUD imaging system guarantees the high transmittance of the windshield in the combiner or WHUD in CHUD while reducing power consumption.
Description
Technical field
This application involves optics, digital data processing field, in particular to a kind of HUD imaging system, realization side
Method, HUD.
Background technique
Head up display (full name in English: head up display, referred to as: HUD), it appears on fighter plane earliest, is
Pilot is allowed not have to frequently bow to watch the instruments to focus on, by important information on one block of transparent glass in front of sight
Display.According to the difference of display screen, HUD can be divided into CHUD (Combiner-HUD, combined head up display) and WHUD
(Windshield HUD windshield type head up display).
Inventors have found that Combiner-HUD using reflective combiner (combiner) realize image amplification and
Reflection.The amplification and reflection of image are realized using windshield and free-form surface mirror in Windshield-HUD.I.e.
Combiner-HUD and Windshield-HUD is all made of the amplification and reflection that reflection mode carries out image, combiner
(combiner) complementary with the reflectivity of windshield (Windshield) and transmitance, if reflectivity increases, transmitance
It can then reduce.It is low the efficiency of light energy utilization in HUD imaging system is in turn resulted in, the higher problem of power consumption.
, power consumption higher problem lower for the HUD imaging system efficiency of light energy utilization in the related technology, not yet proposes at present
Effective solution scheme.
Summary of the invention
The main purpose of the application is to provide a kind of HUD imaging system, implementation method, HUD, to solve HUD imaging system
Uniting, the efficiency of light energy utilization is lower, the higher problem of power consumption.
To achieve the goals above, according to the one aspect of the application, a kind of HUD imaging system is provided.
Include: image generation unit PGU according to the HUD imaging system of the application, uses laser light source；Image imaging
Unit, for handling the projected image of the laser light source；And holographic optical elements (HOE) HOE, it uses including reflective holographic
The transparent material of figure.
Further, the holographic optical elements (HOE) HOE are as follows: the Combiner combiner of combined HUD.
Further, the holographic optical elements (HOE) HOE are as follows: the windshield of windshield type HUD.
Further, described image generation unit PGU is using MEMS micro-reflector to the laser light source scanning imagery.
Further, the wavelength of the RGB laser light source in described image generation unit PGU and the holographic optical elements (HOE)
The recording wavelength of RGB hologram is consistent in HOE.
Further, the holographic optical elements (HOE) HOE includes: single layer, bilayer or three layers of hologram, wherein every layer point
Any one in tri- kinds of monochromatic light of RGB is not corresponded to.
Further, described image imaging unit uses single imaging len or the imaging including at least two lens
Lens group.
To achieve the goals above, according to the another aspect of the application, a kind of HUD is provided.
HUD according to the application includes the HUD imaging system.
To achieve the goals above, according to the application's in another aspect, additionally providing a kind of realization of HUD imaging system
Method.Implementation method according to the application HUD imaging system includes: to configure laser light source for image generation unit PGU；It adopts
With the projected image image imaging unit that can be used for handling the laser light source；And configuration includes the saturating of reflection hologram
The holographic optical elements (HOE) HOE of bright material.
Further, the holographic optical elements (HOE) HOE is configured that the Combiner combiner of combined HUD or kept out the wind
The windshield of glass mould HUD.
In the embodiment of the present application, using image generation unit PGU, by the way of laser light source, pass through holographic optical
Element HOE is learned, the transparent material including reflection hologram is used, has reached reduction power consumption, while guaranteeing CHUD combiner
Or the purpose of the high transmittance of WHUD windshield, to realize the raising efficiency of light energy utilization, reduce power consumption and reduce system
The technical effect of volume, and then solve that the HUD imaging system efficiency of light energy utilization is lower, the higher technical problem of power consumption.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present application, so that its of the application
Its feature, objects and advantages become more apparent upon.The illustrative examples attached drawing of the application and its explanation for explaining the application,
It does not constitute an undue limitation on the present application.In the accompanying drawings:
Fig. 1 is the HUD imaging system structural schematic diagram according to the embodiment of the present application；
Fig. 2 is the implementation method flow diagram according to the HUD imaging system of the embodiment of the present application；
Fig. 3 is root according to the light path schematic diagram in the HUD imaging system of the embodiment of the present application；
Fig. 4 is the recording process schematic diagram of hologram；
Fig. 5 is the reproducing processes schematic diagram of hologram；
Fig. 6 is MEMS micro-reflector laser scanning imaging schematic diagram；
Fig. 7 is the HUD structural schematic diagram according to the implementation HUD imaging system of the embodiment of the present application.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
It is the embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, the common skill in this field
The application protection all should belong in art personnel every other embodiment obtained without making creative work
Range.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that making in this way
Data are interchangeable under appropriate circumstances, so as to embodiments herein described herein.In addition, term " includes " and
" having " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps or list
The process, method, system, product or equipment of member those of are not necessarily limited to be clearly listed step or unit, but may include not having
There are other step or units being clearly listed or intrinsic for these process, methods, product or equipment.
In this application, term " on ", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outside",
" in ", "vertical", "horizontal", " transverse direction ", the orientation or positional relationship of the instructions such as " longitudinal direction " be orientation based on the figure or
Positional relationship.These terms are not intended to limit indicated dress primarily to better describe the application and embodiment
Set, element or component must have particular orientation, or constructed and operated with particular orientation.
Also, above-mentioned part term is other than it can be used to indicate that orientation or positional relationship, it is also possible to for indicating it
His meaning, such as term " on " also are likely used for indicating certain relations of dependence or connection relationship in some cases.For ability
For the those of ordinary skill of domain, the concrete meaning of these terms in this application can be understood as the case may be.
In addition, term " installation ", " setting ", " being equipped with ", " connection ", " connected ", " socket " shall be understood in a broad sense.For example,
It may be a fixed connection, be detachably connected or monolithic construction；It can be mechanical connection, or electrical connection；It can be direct phase
It even, or indirectly connected through an intermediary, or is two connections internal between device, element or component.
For those of ordinary skills, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In HUD imaging system in the application, image generation unit (PGU) is used as using laser light source projection, using anti-
Formula HOE is penetrated as combiner or windshield, the reflectivity or the efficiency of light energy utilization of imaging system can be significantly improved.Reduce function
Guarantee the high transmittance of combiner or windshield while consumption.Further, since can be provided using reflective HOE certain
Focal power, can length and volume in the entire optical imaging system of reduction to a certain extent.
As shown in Figure 1, the HUD imaging system includes: image generation unit PGU10, laser light source is used；Image at
As unit 20, for handling the projected image of the laser light source；And holographic optical elements (HOE) HOE30, it uses including reflection
The transparent material of formula hologram.HUD imaging system can be adapted for WHUD or CHUD.Wherein, described image generation unit
It is projected in PGU10 using laser light source, for example, the throwing of laser light source can be received using the diffusion barrier with certain transparency
Shadow picture, is not defined in this application, as long as image generation unit PGU is imaged using laser.Wherein,
The projected image that described image imaging unit 20 mainly generates laser light source is handled, and realizes the amplification and reflection of image.
For example, being the amplification and reflection for realizing image using windshield and free-form surface mirror in WHUD.For another example,
CHUD realizes the amplification and reflection of image using reflective combiner.In this application to described image imaging unit not into
Row is specific to be limited, and can be adapted for WHUD or CHUD.Wherein, the holographic optical elements (HOE) HOE30 is provided a kind of saturating
Bright material, the transparent material is what needs to be satisfied is that include reflection hologram.
Specifically, when being irradiated using light beam identical with one of record light wave direction to hologram, then spread out
The exit direction for penetrating light wave is identical as another record light wave, which is reflection hologram.In the embodiment of the present application
In HUD imaging system, projected image emits after the processing of described image imaging unit to the holographic optical elements (HOE) HOE,
The amplification and catoptric imaging that the holographic optical elements (HOE) HOE passes through.In view of holographic optical elements (HOE) HOE is spread out to incident light
The effect of penetrating, but since HOE is using the transparent material including reflection hologram, the above process is reflection.
Need further exist for explanation, the amplification of holographic optical elements (HOE) HOE be since HOE itself has focal power,
When carrying out hologram record, wherein at least one or two record light waves are spherical surfaces, aspherical or other faces type
Wavefront.For example, a kind of feasible embodiment is: record light wave A be spherical surface, aspherical or other faces type wavefront, record
Light wave B is plane wave front.For example, another embodiment is: record light wave A and B be spherical surface, aspherical or other faces
The one of which of type wavefront.
It can be seen from the above description that the application realizes following technical effect:
In the embodiment of the present application, using image generation unit PGU10, by the way of laser light source, pass through holography
Optical element HOE uses the transparent material including reflection hologram, has reached reduction power consumption, while guaranteeing that CHUD is combined
The purpose of the high transmittance of device or WHUD windshield, to realize the raising efficiency of light energy utilization, reduce power consumption and reduce system
The technical effect for volume of uniting, and then solve that the HUD imaging system efficiency of light energy utilization is lower, the higher technical problem of power consumption.
According to the embodiment of the present application, as preferred in the present embodiment, the holographic optical elements (HOE) HOE30 are as follows: combined
The Combiner combiner of HUD.Holographic optical elements (HOE) HOE can be the plane for being pasted with reflection hologram or curved surface face type
Transparent material, for example, optical plastic or glass, which can be the combiner combiner in CHUD.In this Shen
Please in and the progress of transparent material is specifically limited, those skilled in the art can be selected according to specifically used scene or
It uses.
According to the embodiment of the present application, as preferred in the present embodiment, the holographic optical elements (HOE) HOE 30 are as follows: keep out the wind
The windshield of glass mould HUD.Holographic optical elements (HOE) HOE can be the plane for being pasted with reflection hologram or curved surface face type
Transparent material, for example, optical plastic or glass, which can be the windscreen glass with curved surface face type in WHUD
Glass.Specifically limit in this application and to the progress of transparent material, those skilled in the art can according to specifically used scene into
Row selection uses.
According to the embodiment of the present application, as preferred in the present embodiment, described image generation unit PGU30 uses MEMS
Micro-reflector is to the laser light source scanning imagery.Specifically, image generation unit PGU uses tri- kinds of one-wavelength laser light of RGB
Source is scanned imaging by the micro-reflector that MEMS is controlled.The laser scanning generated in described image generation unit PGU
Projected picture can receive projected picture using the diffusion barrier with certain transparency.
According to the embodiment of the present application, as preferred in the present embodiment, the RGB in described image generation unit PGU10 swashs
The wavelength of radiant is consistent with the recording wavelength of RGB hologram in the holographic optical elements (HOE) HOE.In HUD imaging system
PGU light source needs identical as the wavelength of recording light for example as the optical wavelength of lighting light wave, so that holographic optical elements (HOE)
The diffraction efficiency of HOE just can be relatively high, and when the wavelength of the wavelength departure recording light of illumination light, the diffraction efficiency of HOE declines
Quickly.
According to the embodiment of the present application, as preferred in the present embodiment, the holographic optical elements (HOE) HOE include: single layer,
Double-deck or three layers of hologram, wherein every layer respectively correspond it is any in tri- kinds of monochromatic light of RGB.Preferably, above-mentioned
It in the hologram of holographic optical elements (HOE) HOE, is shown if it is monochrome, green is preferred；It is red and green if it is double-colored display
Color is preferred.The wavelength of RGB laser light source must be consistent with the recording wavelength of RGB hologram in HOE in PGU, to guarantee its height
Diffraction efficiency.
According to the embodiment of the present application, described image imaging unit is using single imaging len or includes at least two thoroughly
The imaging lens group of mirror.Specifically, image imaging unit uses single imaging len, that is, lens Lens, is also possible to comprising two
The imaging lens group of a and above lens.It is not defined in embodiments herein, it can be anti-as long as can satisfy
It penetrates, the projected image of laser light source described in enhanced processing, those skilled in the art can carry out according to actual use scene
Selection.
As shown in Fig. 2, a kind of implementation method of HUD imaging system is additionally provided in another embodiment herein,
Include:
Image generation unit PGU is configured laser light source by step S100；
When configuring described image generation unit PGU, projected in described image generation unit PGU using laser light source,
For example, can using with certain transparency diffusion barrier receive laser light source projected picture, in this application and without
It limits, as long as image generation unit PGU is imaged using laser.
Step S101, will be using the projected image image imaging unit that can be used for handling the laser light source；
When configuring described image imaging unit, the projected image mainly generated to laser light source is handled, and realizes figure
The amplification and reflection of picture.For example, being the amplification for realizing image using windshield and free-form surface mirror in WHUD
And reflection.For another example, CHUD realizes the amplification and reflection of image using reflective combiner.In this application to described image
Imaging unit and without specifically limiting, can be adapted for WHUD or CHUD.
Configuration is included the holographic optical elements (HOE) HOE of the transparent material of reflection hologram by step S102.
When configuring the holographic optical elements (HOE) HOE, a kind of transparent material is used, the transparent material needs to meet
Be include reflection hologram.
Need further exist for explanation, the amplification of holographic optical elements (HOE) HOE be since HOE itself has focal power,
When carrying out hologram record, wherein at least one or two record light waves are spherical surfaces, aspherical or other faces type
Wavefront.For example, a kind of feasible embodiment is: record light wave A be spherical surface, aspherical or other faces type wavefront, record
Light wave B is plane wave front.For example, another embodiment is: record light wave A and B be spherical surface, aspherical or other faces
The one of which of type wavefront.
As preferred in the present embodiment, also need the holographic optical elements (HOE) HOE being configured that group in the above method
The Combiner combiner of mould assembly HUD or the windshield of windshield type HUD.Holographic optical elements (HOE) HOE, which can be, to be pasted with
The plane of reflection hologram or the transparent material of curved surface face type, for example, optical plastic or glass, which be can be
Combiner combiner in CHUD.It specifically limits in this application and to the progress of transparent material, those skilled in the art can
To be selected or be used according to specifically used scene.
Holographic optical elements (HOE) HOE can be the transparent material of the plane for being pasted with reflection hologram or curved surface face type, than
Such as, optical plastic or glass, the transparent material can be the windshield with curved surface face type in WHUD.In this application
And the progress of transparent material is specifically limited, those skilled in the art can select or use according to specifically used scene.
Fig. 3 to Fig. 6 is please referred to, the realization principle of the application is as follows: by using laser light source as PGU and reflective
The reflectivity (efficiency of light energy utilization) of holographic optical elements (HOE) HOE, Lai Tigao HUD optical system reduces power consumption, while guaranteeing to combine
The high transmittance of device or windshield.Holographic optical elements (HOE) HOE has certain focal power, can also subtract to a certain extent
The length of optical path and the volume of system in small HUD imaging system.
As shown in figure 3, hologram can be pasted on the combiner or windshield of plane or curved surface, to realize imaging
The reflection of light beam.Image image in image generation unit PGU10 is using the micro- reflection of MEMS that can carry out two-dimensional scanning
The display image that mirror and laser light source generate, then passes through plane mirror mirror primary event, using imaging len
Lens lens realize the primary amplification of image, finally by the secondary amplification of holographic optical elements (HOE) HOE and secondary reflecting imaging.
Please referring to the holographic optical elements (HOE) HOE in figure can be the plane for being pasted with reflection hologram or curved surface face type
Transparent material, for example optical plastic or glass, the transparent material can be the combiner combiner in CHUD, can also be with
It is the windshield with curved surface face type in WHUD.
Specifically, the single imaging len in Fig. 3 is one of embodiment, be also possible to comprising two and
The imaging lens group of the above lens, is not defined in embodiments herein.Image generation unit PGU uses RGB tri-
Kind monochromatic laser light source is scanned imaging by the micro-reflector that MEMS is controlled.Image in Fig. 3 is laser scanning
Projected picture can receive projected picture using the diffusion barrier with certain transparency.
Please referring to the holographic optical elements (HOE) HOE in Fig. 3 Fig. 1 can be single layer, bilayer or three layers of hologram, each layer point
One of tri- kinds of monochromatic light of RGB is not corresponded to.Preferably, it is shown if it is monochrome, green is preferred；If it is double-colored display,
Red and green is preferred.In image generation unit PGU the wavelength of RGB laser light source must in holographic optical elements (HOE) HOE
The recording wavelength of RGB hologram is consistent, to guarantee its high-diffraction efficiency.
For in above-mentioned implementation, firstly, it is necessary to explanation, holographic optical elements (HOE) (holographic optical
Element, HOE) it is divided into transmission-type and reflective.As shown in figure 4, the different two record light waves in the direction of propagation are remembered in holography
It is interfered on recording medium, recording medium just has recorded the interference pattern of two different record light waves, referred to as hologram.Such as
Shown in Fig. 5, when being irradiated using light beam identical with one of record light wave direction to hologram, then diffraction light wave
Exit direction with another record light wave it is identical, the hologram be reflection hologram.
Secondly, the secondary reflection of holographic optical elements (HOE) HOE described above, is holographic optical elements (HOE) HOE in fact to incidence
The diffraction of light, since HOE is reflective, herein referred to as reflection.It is to have that the secondary amplification of HOE, which is due to HOE,
Focal power, when carrying out hologram record, wherein at least one or two record light waves are spherical surfaces, it is aspherical or
The wavefront of other faces type.For example, in one embodiment: record light wave 1 be spherical surface, aspherical or other faces type wavefront,
Recording light wave 2 is plane wave front.For another example, in another embodiment: record light wave 1 and 2 be spherical surface, it is aspherical or
The one of which of other faces type wavefront.
Further, it should be noted that the wavelength of two record light waves must be identical, and it is monochromatic wavelength, leads to
It is often light beam of the light beam of the laser sending of Single wavelength after wavefront shaping.E.g. spherical surface, aspherical or other faces type
Wavefront.The optical wavelength of PGU light source must be identical as the wavelength of recording light in the HUD imaging system of the embodiment of the present application, this
The diffraction efficiency of sample holographic optical elements (HOE) HOE just can be relatively high.It is holographic when the wavelength of the wavelength departure recording light of illumination light
The diffraction efficiency decline of optical element HOE is quickly.
It please join Fig. 6, be presented in Fig. 6 and imaging is scanned using the MEMS micro-reflector of tri- color laser light source of RGB
Schematic diagram.Tri- color laser light source of RGB issues corresponding one-wavelength laser light beam respectively, by synthesizing white light after a cemented prism,
Being then incident on one can carry out on the MEMS micro-reflector of two-dimensional scanning, piece image finally be scanned, as HUD's
Image source.Specifically, two cemented surfaces of cemented prism are coated with the reflectance coating that can reflect green light G and blue light B laser respectively,
For changing the direction of incident green light and blue laser, reflectance coating does not influence the transmission of other optical wavelength.
According to the embodiment of the present application, additionally provide it is a kind of for implementing the HUD of above-mentioned HUD imaging system, as shown in fig. 7,
The HUD includes: the HUD imaging system.Include: image generation unit PGU in the HUD imaging system, uses laser
Light source；Image imaging unit, for handling the projected image of the laser light source；And holographic optical elements (HOE) HOE, it uses
Transparent material including reflection hologram.Wherein, the holographic optical elements (HOE) HOE are as follows: combined HUD's
Combiner combiner.Wherein, the holographic optical elements (HOE) HOE can be with are as follows: the windshield of windshield type HUD.?
Image generation unit PGU is used as using laser light source projection in the HUD, using reflective HOE as combiner or windscreen glass
Glass can significantly improve the efficiency of light energy utilization of HUD, reduce power consumption.Guarantee combiner or windshield used in HUD simultaneously
High transmittance.
In above-mentioned HUD, it can be adapted for CHUD.The display screen of CHUD is one piece of transparent tree being placed in above instrument
Rouge glass uses holographic optical elements (HOE) HOE, uses the transparent material including reflection hologram.
In above-mentioned HUD, it is readily applicable to WHUD.The display screen of WHUD directly uses the windshield of automobile, display
Effect is more integrated, it helps moulding arrangement.Since WHUD needs keeping out the wind according to by holographic optical elements (HOE) HOE use
Size and curvature on glass, and with specific reference to windshield remove adaptation High-precision aspheric reflecting mirror.
The HUD of the embodiment of the present application, due to the PGU using laser light source and the holographic optical elements (HOE) HOE with focal power
Be used as HUD imaging system, can be improved the efficiency of light energy utilization, reduce power consumption, reduce the volume of HUD imaging system.
Obviously, those skilled in the art should be understood that each module of above-mentioned the application or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
Be performed by computing device in the storage device, perhaps they are fabricated to each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the application be not limited to it is any specific
Hardware and software combines.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any
Modification, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of HUD imaging system characterized by comprising
Image generation unit PGU, uses laser light source；
Image imaging unit, for handling the projected image of the laser light source；And
Holographic optical elements (HOE) HOE uses the transparent material including reflection hologram.
2. HUD imaging system according to claim 1, which is characterized in that the holographic optical elements (HOE) HOE are as follows: combined
The Combiner combiner of HUD.
3. HUD imaging system according to claim 1, which is characterized in that the holographic optical elements (HOE) HOE are as follows: keep out the wind glass
The windshield of glass type HUD.
4. HUD imaging system according to claim 1, which is characterized in that described image generation unit PGU is micro- using MEMS
Reflecting mirror is to the laser light source scanning imagery.
5. HUD imaging system according to claim 1, which is characterized in that the RGB in described image generation unit PGU swashs
The wavelength of radiant is consistent with the recording wavelength of RGB hologram in the holographic optical elements (HOE) HOE.
6. HUD imaging system according to claim 1, which is characterized in that the holographic optical elements (HOE) HOE include: single layer,
Bilayer or three layers of hologram, wherein every layer of any one respectively corresponded in tri- kinds of monochromatic light of RGB.
7. HUD imaging system according to claim 1, which is characterized in that described image imaging unit is using single imaging
Lens or imaging lens group including at least two lens.
8. a kind of HUD, which is characterized in that including HUD imaging system as described in any one of claim 1 to 7.
9. a kind of implementation method of HUD imaging system characterized by comprising
Laser light source is configured by image generation unit PGU；
Using the projected image image imaging unit that can be used for handling the laser light source；And
Configuration includes the holographic optical elements (HOE) HOE of the transparent material of reflection hologram.
10. implementation method according to claim 9, which is characterized in that the holographic optical elements (HOE) HOE is configured that group
The Combiner combiner of mould assembly HUD or the windshield of windshield type HUD.
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| CN201811564431.5A CN109901297A (en) | 2018-12-20 | 2018-12-20 | HUD imaging system, implementation method, HUD |
| PCT/CN2019/117482 WO2020098638A1 (en) | 2018-11-13 | 2019-11-12 | Augmented reality head-up display system and automobile |
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| CN201811564431.5A CN109901297A (en) | 2018-12-20 | 2018-12-20 | HUD imaging system, implementation method, HUD |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113966275A (en) * | 2020-05-18 | 2022-01-21 | 法国圣戈班玻璃厂 | Composite glass pane for holographic head-up display |
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| CN102472894A (en) * | 2010-04-20 | 2012-05-23 | 松下电器产业株式会社 | See-through display and head-up display |
| KR20170068116A (en) * | 2015-12-09 | 2017-06-19 | 현대자동차주식회사 | Head up display device |
| CN107843985A (en) * | 2017-11-27 | 2018-03-27 | 上海驾馥电子科技有限公司 | Augmented reality HUD system and method |
| CN108919494A (en) * | 2018-08-01 | 2018-11-30 | 张家港康得新光电材料有限公司 | A kind of head-up display device and automobile |
| CN108919495A (en) * | 2018-08-01 | 2018-11-30 | 张家港康得新光电材料有限公司 | A kind of 3D head-up-display system and its design method, automobile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113966275A (en) * | 2020-05-18 | 2022-01-21 | 法国圣戈班玻璃厂 | Composite glass pane for holographic head-up display |
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