CN109991739A - Vehicle-mounted head-up display - Google Patents
Vehicle-mounted head-up display Download PDFInfo
- Publication number
- CN109991739A CN109991739A CN201711478440.8A CN201711478440A CN109991739A CN 109991739 A CN109991739 A CN 109991739A CN 201711478440 A CN201711478440 A CN 201711478440A CN 109991739 A CN109991739 A CN 109991739A
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- Prior art keywords
- display
- vehicle
- mounted head
- display screen
- naked eye
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- 210000001624 hip Anatomy 0.000 claims description 11
- 241000826860 Trapezium Species 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 7
- 238000002834 transmittance Methods 0.000 claims description 4
- 241000700608 Sagitta Species 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 208000003464 asthenopia Diseases 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 9
- 238000003384 imaging method Methods 0.000 description 4
- 210000003128 head Anatomy 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 238000007688 edging Methods 0.000 description 2
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- 229910000831 Steel Inorganic materials 0.000 description 1
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Classifications
-
- 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
- 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
-
- 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
-
- 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
- G02B27/0179—Display position adjusting means not related to the information to be displayed
- G02B2027/0183—Adaptation to parameters characterising the motion of the vehicle
Abstract
The invention belongs to vehicle electronic device fields, are to be related to a kind of vehicle-mounted head-up display more specifically.The flat image that display screen generates is after naked eye 3D structure is converted to stereo-picture, it projects windshield and shows stereo-picture in vehicle front, into the binocular of driver, the image that the image that left eye can be made to see and right eye are seen is different, using principle of parallax, driver can be made to generate the feeling of Three-dimensional Display.The binocular focal zone information of binocular position sensor acquisition driver, linear drives component is mobile according to binocular focal zone information driving naked eye 3D structure, pass through position adjustment opposite between display screen and naked eye 3D structure, the stereo-picture focus for being shown in vehicle front can be made close with the focus other than eye-observation windshield, avoid the eyes frequent switching focal position of driver and the visual fatigue that generates.
Description
Technical field
The invention belongs to vehicle electronic device fields, are to be related to a kind of vehicle-mounted head-up display more specifically.
Background technique
Automobile head-up display (HUD) is a kind of novel on-vehicle display technology, while being also a kind of enhancing display technology, can
With directly allow information superposition to be seen to driver real scene in, allow driver not have to bow and see instrument during driving
Dial plate, to promote the safety of driving.Traditional cockpit display is generally understood that lower display, including console, instrument
Dial plate etc..These displays require to allow driver to bow and watch attentively just see information clearly over the display.Head up display is made
It is one kind it is not necessary that information can be transmitted to driver while changing head pose.
Existing vehicle-mounted head-up-display system can be generally divided into combiner formula head-up-display system and windshield reflection
Formula head-up-display system.Such HUD is cheap, installation is easy, but shows that content is single, generally two-dimensional display system, only
Two-dimensional image can be formed；In addition, display content is tightly attached on windscreen, the focal length of the image formed on windshield is constant
, the focal length that this allows for the eyes of image and driver on windshield is usually inconsistent, such as: when driver watches attentively
When the road surface in a distant place, driver's reading of content needs to be transferred to the image that HUD is formed from nearly coke comes from the remote coke on distant place road surface,
The continuous focal length that changes can make eye fatigue.
Summary of the invention
The purpose of the present invention is to provide a kind of vehicle-mounted head-up displays, to solve vehicle-mounted new line existing in the prior art
Display can be only formed two-dimensional image, and the position that the focus and driver's eyes of image focus is inconsistent to be easy to cause vision
The technical problem of fatigue.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of vehicle-mounted head-up display is provided, comprising:
Display screen is used for plane of departure image；
Naked eye 3D structure, before being slidably mounted on the light-emitting surface of the display screen along the normal direction of the display screen
Side, the flat image for emitting the display screen project windshield after being converted to stereo-picture and before automobiles
Side's display stereo-picture；
Binocular position sensor, for obtaining the binocular focal zone information of driver；And
Linear drives component, for driving the naked eye 3D structure along the display according to the binocular focal zone information
The normal direction of screen is slided to change the spacing of naked eye 3D structure Yu the display screen.
Further, the naked eye 3D structure is column mirror grating or fly's-eye lens.
Further, the linear drives component includes mounting base, driving motor, the output for being installed on the driving motor
The gear at end is fixedly connected and the rack gear with gear engaged transmission, the mounting base have edge with the naked eye 3D structure
The sliding groove that the normal direction of the display screen extends, the rack gear are slidably mounted on the sliding groove.
Further, the column mirror grating include substrate and be arranged in the substrate surface multiple lenticule lists
Member, multiple lenticule units are decorated in array.
Further, the lenticule unit includes the spherical surface in quadrangular portion with the top that the quadrangular portion is arranged in
Portion.
Further, the cross section in the quadrangular portion is square.
Further, the lenticule unit be class trapezium structure, the class trapezium structure have upper bottom edge, bottom and
Symmetrical two waist, the broken line step being equipped on two waists.
Further, the broken line step includes bevel edge and apex angle, the broken line step on waist described in the same side
Bevel edge is parallel to each other and equal length, and the angle of each apex angle is equal, and the angle of each apex angle is equal to the broken line step
The angle of the bevel edge of bottom and the bottom.
Further, the column mirror grating includes glass plate of the light transmittance greater than 90% and coats on the glass plates
Grating.
Further, the radius R of the grating is 6.7545-6.744mm, and sagitta H is 50-40 μm, arc length 1.5-
1.4mm, refractive index are 1.575 ± 0.005；The glass plate with a thickness of 3-8mm.
The beneficial effect of vehicle-mounted head-up display provided by the invention is: the flat image that display screen generates passes through naked eye
After 3D structure is converted to stereo-picture, projects windshield and show stereo-picture in vehicle front, into driver
Binocular, image that the image that left eye can be made to see and right eye are seen is different, using principle of parallax, driver can be made to produce
The feeling of raw Three-dimensional Display.Binocular position sensor obtains the binocular focal zone information of driver, linear drives component foundation
The binocular focal zone information driving naked eye 3D structure is mobile, passes through position tune opposite between display screen and naked eye 3D structure
It is whole, the stereo-picture focus for being shown in vehicle front can be made close with the focus other than eye-observation windshield, kept away
The visual fatigue having exempted from the eyes frequent switching focal position of driver and having generated.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the stereoscopic schematic diagram of vehicle-mounted head-up display provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of the column mirror grating of vehicle-mounted head-up display provided in an embodiment of the present invention；
Fig. 3 be vehicle-mounted head-up display provided in an embodiment of the present invention display screen and naked eye 3D structure 3 kinds of differences away from
From schematic diagram；
Fig. 4 is the schematic diagram of the usage scenario of vehicle-mounted head-up display provided in an embodiment of the present invention；
Fig. 5 is partial enlarged view at the A of Fig. 4；
Fig. 6 is the near focus area light path schematic diagram of vehicle-mounted head-up display provided in an embodiment of the present invention；
Fig. 7 is the remote burnt region light path schematic diagram of vehicle-mounted head-up display provided in an embodiment of the present invention.
Wherein, each appended drawing reference in figure:
1- display screen；2- naked eye 3D structure；21- substrate；22- lenticule unit；23- class trapezium structure；The upper bottom edge 231-；
The bottom 232-；233- waist；234- bevel edge；235- apex angle；3- binocular position sensor；4- windshield；5- human eye；6- is close
Burnt region；The far burnt region 61-；7- trees；The mountain range 71-；72- highway；8- steering wheel；9- windshield.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
Referring to Fig. 1, existing be illustrated vehicle-mounted head-up display provided by the invention.Vehicle-mounted head-up display, comprising:
Display screen is used for plane of departure image；
Naked eye 3D structure, before being slidably mounted on the light-emitting surface of the display screen along the normal direction of the display screen
Side, the flat image for emitting the display screen project windshield after being converted to stereo-picture and before automobiles
Side's display stereo-picture；
Binocular position sensor, for obtaining the binocular focal zone information of driver；And
Linear drives component, for driving the naked eye 3D structure along the display according to the binocular focal zone information
The normal direction of screen is slided to change the spacing of naked eye 3D structure Yu the display screen.
Binocular focal zone refers to that focal zone of the people when a specific location binocular does not rotate, such as binocular focus on
Some target position of far left, relatively, the region on the right of the target position will not focus.Binocular position sensor 3
The binocular focal zone information for obtaining driver especially by information such as acquisition binocular interpupillary distance, binocular centers, and is extrapolated
Binocular focal zone information.Binocular position sensor 3 belongs to the prior art.It is opposite that linear drives component adjusts naked eye 3D structure 2
In the position of display screen 1, focus and the driving of the stereo-picture that vehicle-mounted head-up display is formed on the windshield
The focal position of the eyes of member is consistent.
The beneficial effect of vehicle-mounted head-up display provided by the invention is: the flat image that display screen generates passes through naked eye
After 3D structure is converted to stereo-picture, projects windshield and show stereo-picture in vehicle front, into driver
Binocular, image that the image that left eye can be made to see and right eye are seen is different, using principle of parallax, driver can be made to produce
The feeling of raw Three-dimensional Display.Binocular position sensor obtains the binocular focal zone information of driver, linear drives component foundation
The binocular focal zone information driving naked eye 3D structure is mobile, passes through position tune opposite between display screen and naked eye 3D structure
It is whole, the stereo-picture focus for being shown in vehicle front can be made close with the focus other than eye-observation windshield, kept away
The visual fatigue having exempted from the eyes frequent switching focal position of driver and having generated.
Further, Fig. 4 and Fig. 5 is please referred to, a kind of specific implementation as vehicle-mounted head-up display provided by the invention
Mode, Fig. 4 are usage scenario schematic diagram of the vehicle-mounted head-up display of the present embodiment on automobile, and driver is located at steering wheel 8
Position, when driver watches highway 72 and the mountain range 71 in a distant place attentively, linear drives component according to binocular position sensor 3 detect
Information adjust position of the naked eye 3D structure 2 with respect to display screen so that stereo-picture focusing is formed at remote burnt region 61, when driving
When the person of sailing watches trees 7 nearby attentively, stereo-picture focusing is formed near focus area 6, and driver is not necessarily to observe when use
The data of head up display and the focus for frequently changing eyes, overcome visual fatigue caused by this problem.
Further, Fig. 6 and Fig. 7 is please referred to, a kind of specific implementation as vehicle-mounted head-up display provided by the invention
Mode, Fig. 6 are the schematic diagram of near focus area imaging optical path, and Fig. 7 is the schematic diagram of remote burnt regional imaging optical path, and wherein K point is vertical
The focus of body image, by adjusting naked eye 3D structure 2 at a distance from display screen 1, the road of the changeable incident ray issued from B point
Diameter realizes the focus and the position real-time synchronization of human eye focusing of stereo-picture with this to change the focus K of stereo-picture,
Avoid visual fatigue.
Further, referring to Fig. 3, a kind of specific embodiment as vehicle-mounted head-up display provided by the invention,
Linear drives component include mounting base, driving motor, be installed on driving motor output end gear, solid with naked eye 3D structure 2
Connection and the rack gear with gear engaged transmission calmly, mounting base have the sliding groove that the normal direction along display screen extends, and rack gear is slided
It is dynamic to be installed on sliding groove.Position by sliding of the rack gear on sliding groove so as to adjust naked eye 3D structure 2 with respect to display screen.Figure
A, B, C have respectively represented the handoff procedure of 3 kinds of different distances of naked eye 3D structure 2 and display screen 1 in 3.
Further, referring to Fig. 1, a kind of specific embodiment as vehicle-mounted head-up display provided by the invention,
Naked eye 3D structure 2 is column mirror grating or fly's-eye lens.
Further, referring to Fig. 1, a kind of specific embodiment as vehicle-mounted head-up display provided by the invention,
Column mirror grating includes substrate 21 and multiple lenticule units 22 that 21 surface of substrate is arranged in, and multiple is that lenticule unit 22 is in
The array of multiple rows of aligned type is arranged.Lenticule unit 22 includes quadrangular portion and the ball face that is arranged at the top of quadrangular portion, and four
The cross section in prism portion is square.By using multiple lenticule units 22 composition micro-lens arrays layer arranged in arrays, because
The top of lenticule unit 22 is spherical surface, has 360 degree of light splitting effects, can have the image through specific arrangement on focal plane
Rule is separated, therefore observer can watch naked eye 3D rendering around showing 360 degree of equipment.
Further, referring to Fig. 2, lenticule unit 22 as vehicle-mounted head-up display provided by the invention it is another
Kind specific embodiment, lenticule unit 22 are class trapezium structure 23, and class trapezium structure 23 has upper bottom edge 231, bottom 232
With symmetrical two waist 233, symmetrical broken line step is equipped on two waist 233.Broken line step includes 234 He of bevel edge
The bevel edge 234 of apex angle 235, the broken line step on the same side waist 233 is parallel and equal length, 235 angle of apex angle it is equal and
Equal to the bevel edge 234 of broken line step bottom and the angle of bottom 232.Two waists 233 of class trapezium structure 23 are equipped with
Multiple broken line steps can carry out multi-panel light splitting from the bevel edge 234 of upper bottom edge 231 and each broken line step in this way, and existing
Naked eye 3D image forming material is compared, and can increase redundancy number of views using the naked eye 3D Imaging grating structure in this programme, is seen in this way
Optimal viewing point can be found when examining position change quickly, improves visual angle and observation comfort level, so watching naked eye using the structure
There can be bigger visual angle when 3D rendering, appreciation effect is more preferable.
Further, referring to Fig. 1, another tool of the column mirror grating as vehicle-mounted head-up display provided by the invention
Body embodiment, column mirror grating include the grating of glass plate of the light transmittance greater than 90% and coating on a glass.Glass is excellent
Matter glass or edging tempered glass.The radius R of grating is 6.7545-6.744mm, and sagitta H is 50-40 μm, arc length 1.5-
1.4mm, refractive index are 1.575 ± 0.005；Glass plate with a thickness of 3-8mm.In this embodiment example, glass plate uses edging steel
Change glass, 99% or more light transmittance, it is desirable that glass bubble-free, no marking, without wave lathe work rinse after ten minutes by circulating water,
Naturally dry or drying, so that column mirror grating has many advantages, such as that data are accurate, grating is uniform, imaging volume sense is strong, image clearly.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (10)
1. a kind of vehicle-mounted head-up display characterized by comprising
Display screen is used for plane of departure image；
Naked eye 3D structure is slidably mounted on the front side of the light-emitting surface of the display screen along the normal direction of the display screen, uses
Windshield is projected after the flat image for emitting the display screen is converted to stereo-picture and is shown in vehicle front
Show stereo-picture；
Binocular position sensor, for obtaining the binocular focal zone information of driver；And
Linear drives component, for driving the naked eye 3D structure along the display screen according to the binocular focal zone information
Normal direction is slided to change the spacing of naked eye 3D structure Yu the display screen.
2. vehicle-mounted head-up display as described in claim 1, it is characterised in that: the naked eye 3D structure is for column mirror grating or again
Eyelens.
3. vehicle-mounted head-up display as described in claim 1, it is characterised in that: the linear drives component include mounting base,
Driving motor, be installed on the driving motor output end gear, be fixedly connected with the naked eye 3D structure and with the tooth
The rack gear of engaged transmission is taken turns, the mounting base has the sliding groove that the normal direction along the display screen extends, and the rack gear is sliding
It is dynamic to be installed on the sliding groove.
4. vehicle-mounted head-up display as claimed in claim 2, it is characterised in that: the column mirror grating includes substrate and setting
Multiple lenticule units on the surface of the substrate, multiple lenticule units are decorated in array.
5. vehicle-mounted head-up display as claimed in claim 4, it is characterised in that: the lenticule unit include quadrangular portion and
The ball face at the top in the quadrangular portion is set.
6. vehicle-mounted head-up display as claimed in claim 5, it is characterised in that: the cross section in the quadrangular portion is pros
Shape.
7. vehicle-mounted head-up display as claimed in claim 4, it is characterised in that: the lenticule unit is class trapezium structure,
The class trapezium structure has upper bottom edge, bottom and symmetrical two waist, the broken line step being equipped on two waists.
8. vehicle-mounted head-up display as claimed in claim 7, it is characterised in that: the broken line step includes bevel edge and apex angle,
The bevel edge of the broken line step on waist described in the same side is parallel to each other and equal length, and the angle of each apex angle is equal,
The angle of each apex angle is equal to the bevel edge of the broken line step bottom and the angle of the bottom.
9. vehicle-mounted head-up display as claimed in claim 2, it is characterised in that: the column mirror grating includes that light transmittance is greater than
The grating of 90% glass plate and coating on the glass plates.
10. vehicle-mounted head-up display as claimed in claim 9, it is characterised in that: the radius R of the grating is 6.7545-
6.744mm, sagitta H are 50-40 μm, arc length 1.5-1.4mm, and refractive index is 1.575 ± 0.005；The thickness of the glass plate
For 3-8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478440.8A CN109991739A (en) | 2017-12-29 | 2017-12-29 | Vehicle-mounted head-up display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478440.8A CN109991739A (en) | 2017-12-29 | 2017-12-29 | Vehicle-mounted head-up display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109991739A true CN109991739A (en) | 2019-07-09 |
Family
ID=67109794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711478440.8A Pending CN109991739A (en) | 2017-12-29 | 2017-12-29 | Vehicle-mounted head-up display |
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| Country | Link |
|---|---|
| CN (1) | CN109991739A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111179881A (en) * | 2020-01-21 | 2020-05-19 | 重庆长安汽车股份有限公司 | Method, device and system for adjusting brightness of vehicle-mounted display screen, automobile and controller |
| CN114637114A (en) * | 2021-12-09 | 2022-06-17 | 上海欧菲智能车联科技有限公司 | Image adjusting device, head-up display and automobile |
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| CN203337919U (en) * | 2013-06-24 | 2013-12-11 | 河南三阳光电有限公司 | 55 inch naked-eye 3D cold-pressing type micro lens raster |
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| CN106950627A (en) * | 2017-03-30 | 2017-07-14 | 河南三阳光电有限公司 | Bore hole 3D Imaging gratings and preparation method thereof |
| CN207833113U (en) * | 2017-12-29 | 2018-09-07 | 深圳点石创新科技有限公司 | Vehicle-mounted head-up display |
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| CN101542357A (en) * | 2007-05-18 | 2009-09-23 | 松下电器产业株式会社 | Three-dimensional image display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111179881A (en) * | 2020-01-21 | 2020-05-19 | 重庆长安汽车股份有限公司 | Method, device and system for adjusting brightness of vehicle-mounted display screen, automobile and controller |
| CN114637114A (en) * | 2021-12-09 | 2022-06-17 | 上海欧菲智能车联科技有限公司 | Image adjusting device, head-up display and automobile |
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