CN207366832U - A kind of augmented reality head up display bifocal path structure - Google Patents
A kind of augmented reality head up display bifocal path structure Download PDFInfo
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- CN207366832U CN207366832U CN201721397437.9U CN201721397437U CN207366832U CN 207366832 U CN207366832 U CN 207366832U CN 201721397437 U CN201721397437 U CN 201721397437U CN 207366832 U CN207366832 U CN 207366832U
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Abstract
It the utility model is related to HUD systems technologies field, more particularly to a kind of augmented reality head up display bifocal path structure, including display module and semi-reflective mirror；The display module includes the first image source, the second image source, the first speculum and the second speculum；First image source is used to project closely HUD images to first speculum；Second image source is used to project remote HUD images to second speculum；The semi-reflective mirror is used to closely HUD images and remote HUD images to reflect, and the closely HUD virtual images and the remote HUD virtual images is formed in human eye retina.The goal of the invention of the utility model is to provide a kind of augmented reality head up display bifocal path structure, it is short to solve existing HUD projector distances using technical solution provided by the utility model, so that the information of Projection Display can not be stacked on road, so as to not have the technical problem of the effect of enhancement information.
Description
Technical field
It the utility model is related to HUD systems technologies field, more particularly to a kind of augmented reality head up display double light path knot
Structure.
Background technology
Head-up display (Head Up Display), abbreviation HUD, head-up display is appeared on military aircraft earliest, drop
Low flight office staff needs to bow to check the frequency of instrument, avoids notice from interrupting and lose the grasp to situationawareness.HUD is shown
System, the reflection by LED light source by the four groups of eyeglasses in instrument board rear, projects image onto on the windscreen improved.
Through the location technology of eyeglass, image is finally allowed to be covered just like floating in automobile engine, driver need not bow can be at any time
Various running informations, and navigation road conditions guiding etc. are seen clearly, so as to improve travel safety.
With the development of HUD technologies, AR-HUD also comes into being.The entitled augmented reality head up display of AR-HUD Chinese,
Except can display automobile basic status information, can in pilot's line of vision region some driving informations of reasonable Overlapping display,
Such as front truck anti-collision warning, lane departure etc., and be incorporated among actual traffic road conditions, driver can extend and strengthen oneself
Perception for driving environment, improves the experience sense and comfort of driving.
The HUD light paths of mainstream only have a kind of projection pattern at present.Projector distance is nearly all between 2 meters -2.5 meters, projection
Apart from too short, the image of projection can not coincide together with road, cause the information of display can not be stacked on road, so as to rise not
To the effect of enhancement information.In addition to projector distance is short, FOV small is also a restriction parameter, and FOV refers to field angle, showing
In system, field angle is exactly the angle at display edge and point of observation (eyes) line.The FOV of mainstream HUD exists substantially at present
Within 6.5 °, FOV at least needs to be more than 10 ° of basic demands that could meet enhancement information.
Utility model content
The goal of the invention of the utility model is to provide a kind of augmented reality head up display bifocal path structure, using this reality
It is short to solve existing HUD projector distances with the technical solution of new offer so that the information of Projection Display can not be stacked on road,
So as to not have the technical problem of the effect of enhancement information.
In order to solve the above-mentioned technical problem, the utility model provides a kind of augmented reality head up display bifocal path structure,
Including display module and semi-reflective mirror；The display module includes the first image source, the second image source, the first speculum and the second reflection
Mirror；
First image source carries automobile basic status information, for projecting closely HUD to first speculum
Image；The closely HUD images, the first position of the semi-reflective mirror is reflexed to by first speculum, forms first
Projecting light path；
Second image source carries the display symbol that auxiliary drives, remote for being projected to second speculum
HUD images；The remote HUD images, first speculum is reflexed to by second speculum, then by the first reflection
Mirror reflexes to the second place of the semi-reflective mirror, forms the second projecting light path；
The semi-reflective mirror is used to closely HUD images and remote HUD images to reflect, and is received for human eye, and in human eye
Retina forms the closely HUD virtual images and the remote HUD virtual images.
Preferably, the second place is more than the first position in the height of vertical direction.
Further, it is not overlapping between the first position and the second place.
Preferably, the semi-reflective mirror is installed on the console in front of driver or sticks on windshield,
Or the semi-reflective mirror is front windshield.
Preferably, the image-forming range between the closely HUD virtual images and driver is greater than or equal to 2.2m, for showing
Including instantaneous velocity information, vehicle mounted guidance information；The remote image-forming range between the HUD virtual images and driver is more than or waits
In 7.5 meters, for the display symbol for aiding in driving to be projected in road, blended with present road situation.
Further, the FOV angles of the remote HUD virtual image horizontal directions are more than 10 °.
Preferably, first image source and the second image source are TFT, DLP or LD display.
Preferably, first speculum is aspherical mirror.
Further, second speculum is plane mirror, spherical mirror or aspherical mirror.
Therefore had the advantages that using the technical solution that the utility model embodiment provides, this practicality is new
The light path design that type is combined using near, far throw shadow two ways, remote projector distance >=7.5 meter, nearly >=2.2 meters of projection, at the same time
The horizontal FOV of remote projection pattern is more than 10 °, and the status information of display automobile is responsible in nearly projection, and remote projection pattern can will be auxiliary
Help the display symbol of driving to be projected on road, blended with present road situation, solving existing HUD projections will can not project
The information of display is stacked on road, does not have the technical problem of the effect of enhancement information.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to this practicality
Attached drawing is briefly described needed in the description of new embodiment or the prior art.It should be evident that description below
In attached drawing be only the utility model part of the embodiment, for those of ordinary skill in the art, do not paying wound
On the premise of the property made is laborious, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the utility model embodiment use state light path schematic diagram；
Fig. 2 is the utility model embodiment structure diagram.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
All other embodiments obtained, shall fall within the protection scope of the present invention.
Since existing HUD projector distances are short so that the information of Projection Display can not be stacked on road, so as to not have enhancing
The technical problem of the effect of information.
Fig. 2 is referred to, in order to solve the above-mentioned technical problem, the present embodiment provides a kind of double light of augmented reality head up display
Line structure, including display module and semi-reflective mirror 102；Display module includes the first image source 108, the second image source 107, the first speculum
105 and second speculum 106.
Wherein the first image source 108 carries automobile basic status information, for being projected closely to the first speculum 105
HUD images；Closely HUD images, the first position of semi-reflective mirror 102 is reflexed to by the first speculum 105, forms the first projection
Light path；
Second image source 107 carries the display symbol that auxiliary drives, for projecting remote HUD to the second speculum 106
Image；Remote HUD images, reflex to the first speculum 105, then reflected by the first speculum 105 by the second speculum 106
To the second place of semi-reflective mirror 102, the second projecting light path is formed.
Refer to Fig. 1, semi-reflective mirror 102, for will closely HUD images and remote HUD images reflect, for human eye 101
Receive, and the closely HUD virtual images 104 and the remote HUD virtual images 103 is formed in human eye retina.
Wherein, the first image source 108 and the second image source 107 are TFT, DLP or LD display；First speculum 105 is aspheric
Face mirror；Second speculum 106 is plane mirror, also can be changed to spherical mirror or aspherical mirror is used for aberration correction；First is anti-
105 and second speculum 106 of mirror is penetrated by adjusting the face type aberration correction of speculum；Semi-reflective mirror 102 is installed in front of driver
Console on either stick on windshield or semi-reflective mirror 102 is front windshield.
The implementation process of augmented reality head up display bifocal path structure provided by the utility model is：
First image source 108 will carry the closely HUD images of automobile basic status information, including instantaneous velocity information and
Vehicle mounted guidance information etc., is projected on the first speculum 105, and the first speculum 105 projects the first image source 108 closely
HUD images are reflexed on the first position of semi-reflective mirror 102, and semi-reflective mirror 102 will closely HUD images reflect, and be connect for human eye 101
Receive, and the closely HUD virtual images 104 are formed in human eye retina；Second image source 107106 will carry auxiliary and drive display symbol
Remote HUD images, be projected on the second speculum 106, the second speculum 106 projects the second image source 107 remote
HUD images are reflexed on the second speculum 106, which is reflexed to semi-reflective mirror 102 by the second speculum 106 again
The second place on, semi-reflective mirror 102 reflects remote HUD images, is received for human eye 101, and is formed far in human eye retina
The distance HUD virtual images 103.
Show that Overlapping Symbol impacts presentation of information in order to avoid automobile basic status information drives with auxiliary, wherein
The second place of remote HUD image projectings is more than the first position of closely HUD image projectings in the height of vertical direction, and
It is and not overlapping between first position and the second place.
In order to improve the display effect of the closely HUD virtual images 104 and the remote HUD virtual images 103, the closely HUD virtual images 104
Image-forming range between driver is greater than or equal to 2.2m, and the image-forming range between the remote HUD virtual images 103 and driver is big
In or equal to 7.5 meters, for the display symbol for aiding in driving to be projected in road, blended with present road situation.And
The FOV angles of remote 103 horizontal direction of the HUD virtual images are more than 10 °.
Augmented reality head up display bifocal path structure provided in this embodiment is combined using near, far throw shadow two ways
Light path design, and nearly far throw shadow two ways shares the first speculum 105, remote projector distance >=7.5 meter, nearly projection >=
2.2 meters, while the horizontal FOV of remote projection pattern is more than 10 °, the status information of display automobile is responsible in nearly projection, and far throw shadow side
The display symbol for aiding in driving can be projected on road by formula, be blended with present road situation, solve existing HUD projections
The information of Projection Display can not be stacked on road, not have the technical problem of the effect of enhancement information.
Embodiments described above, does not form the restriction to the technical solution protection domain.It is any in above-mentioned implementation
Modifications, equivalent substitutions and improvements made within the spirit and principle of mode etc., should be included in the protection model of the technical solution
Within enclosing.
Claims (9)
- A kind of 1. augmented reality head up display bifocal path structure, it is characterised in that：Including display module and semi-reflective mirror；It is described aobvious Show that module includes the first image source, the second image source, the first speculum and the second speculum；First image source carries automobile basic status information, for projecting closely HUD images to first speculum； The closely HUD images, the first position of the semi-reflective mirror is reflexed to by first speculum, forms the first projection light Road；Second image source carries the display symbol that auxiliary drives, for projecting remote HUD shadows to second speculum Picture；The remote HUD images, first speculum is reflexed to by second speculum, then anti-by the first speculum The second place of the semi-reflective mirror is incident upon, forms the second projecting light path；The semi-reflective mirror is used to closely HUD images and remote HUD images to reflect, and is received for human eye, and in human eye view Film forms the closely HUD virtual images and the remote HUD virtual images.
- A kind of 2. augmented reality head up display bifocal path structure according to claim 1, it is characterised in that：Described second Position is more than the first position in the height of vertical direction.
- A kind of 3. augmented reality head up display bifocal path structure according to claim 2, it is characterised in that：Described first It is not overlapping between position and the second place.
- A kind of 4. augmented reality head up display bifocal path structure according to claim 1, it is characterised in that：Described half is anti- Mirror, which is installed on the console in front of driver, either to be sticked on windshield or the semi-reflective mirror is front windshield glass Glass.
- A kind of 5. augmented reality head up display bifocal path structure according to claim 1, it is characterised in that：The low coverage It is greater than or equal to 2.2m from the image-forming range between the HUD virtual images and driver, includes instantaneous velocity information for showing, vehicle-mounted leads Boat information；The remote image-forming range between the HUD virtual images and driver is greater than or equal to 7.5 meters, for auxiliary to be driven Display symbol be projected on road, blended with present road situation.
- A kind of 6. augmented reality head up display bifocal path structure according to claim 5, it is characterised in that：The long distance FOV angles from HUD virtual image horizontal directions are more than 10 °.
- A kind of 7. augmented reality head up display bifocal path structure according to claim 1, it is characterised in that：Described first Image source and the second image source are TFT, DLP or LD display.
- A kind of 8. augmented reality head up display bifocal path structure according to claim 1, it is characterised in that：Described first Speculum is aspherical mirror.
- A kind of 9. augmented reality head up display bifocal path structure according to claim 8, it is characterised in that：Described second Speculum is plane mirror, spherical mirror or aspherical mirror.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109445099A (en) * | 2018-06-19 | 2019-03-08 | 惠州市华阳多媒体电子有限公司 | A kind of HUD light path system for cooperating polarisation sunglasses to use and eliminating ghost image |
| CN109613704A (en) * | 2018-12-27 | 2019-04-12 | 广州市晶华精密光学股份有限公司 | A kind of vehicle-mounted head-up display device of novel wind screen glass |
| WO2020098638A1 (en) * | 2018-11-13 | 2020-05-22 | 苏州车萝卜汽车电子科技有限公司 | Augmented reality head-up display system and automobile |
| CN112558299A (en) * | 2019-09-26 | 2021-03-26 | 光宝电子(广州)有限公司 | Head-up display device for augmented reality |
| CN112731645A (en) * | 2021-01-12 | 2021-04-30 | 塔普翊海（上海）智能科技有限公司 | Augmented reality telescope system |
| CN113031264A (en) * | 2019-12-25 | 2021-06-25 | 宁波舜宇车载光学技术有限公司 | Dual optical path projection device and display system |
| WO2021227657A1 (en) * | 2020-05-15 | 2021-11-18 | 华为技术有限公司 | Multi-focus image generating apparatus, head-up display apparatus, related method, and device |
| CN117192779A (en) * | 2023-09-20 | 2023-12-08 | 江苏泽景汽车电子股份有限公司 | Head-up display |
-
2017
- 2017-10-27 CN CN201721397437.9U patent/CN207366832U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109445099A (en) * | 2018-06-19 | 2019-03-08 | 惠州市华阳多媒体电子有限公司 | A kind of HUD light path system for cooperating polarisation sunglasses to use and eliminating ghost image |
| WO2020098638A1 (en) * | 2018-11-13 | 2020-05-22 | 苏州车萝卜汽车电子科技有限公司 | Augmented reality head-up display system and automobile |
| CN109613704A (en) * | 2018-12-27 | 2019-04-12 | 广州市晶华精密光学股份有限公司 | A kind of vehicle-mounted head-up display device of novel wind screen glass |
| CN112558299A (en) * | 2019-09-26 | 2021-03-26 | 光宝电子(广州)有限公司 | Head-up display device for augmented reality |
| CN113031264A (en) * | 2019-12-25 | 2021-06-25 | 宁波舜宇车载光学技术有限公司 | Dual optical path projection device and display system |
| CN113031264B (en) * | 2019-12-25 | 2022-08-26 | 宁波舜宇车载光学技术有限公司 | Dual optical path projection device and display system |
| WO2021227657A1 (en) * | 2020-05-15 | 2021-11-18 | 华为技术有限公司 | Multi-focus image generating apparatus, head-up display apparatus, related method, and device |
| CN112731645A (en) * | 2021-01-12 | 2021-04-30 | 塔普翊海（上海）智能科技有限公司 | Augmented reality telescope system |
| CN117192779A (en) * | 2023-09-20 | 2023-12-08 | 江苏泽景汽车电子股份有限公司 | Head-up display |
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