CN106547094A - The equipment that new line shows is realized using shield glass - Google Patents
The equipment that new line shows is realized using shield glass Download PDFInfo
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- CN106547094A CN106547094A CN201611056529.0A CN201611056529A CN106547094A CN 106547094 A CN106547094 A CN 106547094A CN 201611056529 A CN201611056529 A CN 201611056529A CN 106547094 A CN106547094 A CN 106547094A
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- high brightness
- speculum
- brightness indicator
- light
- pedestal
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 30
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 29
- 239000004973 liquid crystal related substance Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 14
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 2
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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
- G02B27/0149—Head-up displays characterised by mechanical features
-
- 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
-
- 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
- G02B27/0149—Head-up displays characterised by mechanical features
- G02B2027/0161—Head-up displays characterised by mechanical features characterised by the relative positioning of the constitutive elements
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Abstract
Embodiments provide a kind of utilization shield glass and realize the equipment for showing that comes back, including：Pedestal, high brightness indicator, speculum and main frame, the high brightness indicator and the speculum just to be arranged on the pedestal；The pedestal is arranged on below shield glass, the terrace part above instrument desk, and is projected on the front windshield after meeting image speculum reflection described in that the high brightness indicator sends；The main frame is connected with the high brightness indicator, for gathering the information that needs to be projected on the front windshield in driving procedure and driving the high brightness indicator to be shown.Special front windshield need not be customized using the scheme of the embodiment of the present invention, process is simple, with low cost, set location is flexible.
Description
Technical field
The present embodiments relate to it is used for the new line display device of motor vehicles, more particularly to one kind utilizes automobile front wind screen
Glass realizes the equipment for showing that comes back.
Background technology
HUD (Head Up Display, HUD) is referred to as " head-up display ", is that second world is big
Wartime is to solve the inside and outside vision contradiction that instrument and tracking target cause in fighter-pilot's observation objects driving cabin to start
Research and development.The technology that developed with many wars is the same, and HUD initial application is exactly, on fighter plane, to equip HUD's earliest
Aircraft is the Mirage of France.This synthesis being made up of electronic building brick, display module, controller and high voltage power supply etc.
Optoelectronic display device, can be by information such as flight parameter, aiming attack, Autonomous tests, in the form of image, character, by optical section
Part is projected immediately ahead of passenger cabin on compound glass.
2003, Bayerische Motorne Werke Aktiengeellschaft became the motor corporation that European first hand uses HUD technologies, thus opens vehicle-mounted new line
The beginning of display.Many money vehicles of BMW have been provided with HUD at present, and are carrying out the research and development of night vision system always and answering
With.Navigation system, lane departur warning, the pedestrian of the night vision system with pedestrian's identification function avoid the information such as warning, can
It is shown on windshield by head-up-display system.Intelligent vehicle-carried head-up display system is assembled on vehicle, can also by when
In the range of the relevant informations such as speed, rotating speed are displayed in front of driver and look squarely, effectively prevent driver and cause because switching sight line
Traffic accident occurs.
Inventor has found that prior art at least has following defect during the present invention is realized：
(1) need to customize special front windshield
Adopt most HUD designs at present in the world, be holographic coating to be added in windshield or in front
Plate semi-transflective reflective film to make the viewing area of HUD in glass.This method is needed in windshield processing and making process
Complete, complex process, it is difficult to promote.
(2) optical projection component is located in car body
The HUD for being adopted in the world, after its optical projection component is located at meter panel of motor vehicle, with in-car complicated electricity
Road bus is adjacent.This mounting means is not only that the maintenance of HUD brings certain difficulty, and optical projection component work
Heat can be produced when making, impact is produced on the circuit bus system of periphery, some electronic components when serious, may be caused to work
It is abnormal, or even damage, the consequence for producing therefrom is difficult to expect.
(3) it is expensive
At present, middle class HUD be only some imports or the standard configuration in the joint brand middle and high end vehicle of only a few/
Optional component, apolegamy price are 28000～50000 yuan.And the high-grade HUD in deluxe carmodel is arranged on, accordingly
Original-pack actively or passively infrared night vision system, vehicle deviate early warning, radar vision CAS etc., and apolegamy price is higher, typically
It is reached for 10～170,000 yuan.
(4) image ghost image
In order to reduce price, HUD is filled on market behind part foregoing customization windshield is not used, and
Employ common windshield.As the light that HUD sends is there occurs in former and later two interfaces of windshield and air
Semi-transflective reflective process, causes the image that driver observes that ghost phenomena occurs twice.This can produce one to driver driving
Fixed interference.
The content of the invention
The embodiment of the present invention provides a kind of utilization shield glass and realizes the equipment for showing that comes back, it is not necessary to which customization is special
Different front windshield, process is simple, with low cost, set location is flexible.
To reach above-mentioned purpose, embodiments provide a kind of utilization shield glass and realize coming back what is shown
Equipment, including：Pedestal, high brightness indicator, speculum and main frame, the high brightness indicator and the speculum just to be arranged on
On the pedestal；The pedestal is arranged on below shield glass, the terrace part above instrument desk, and meets described
The image that high brightness indicator sends is projected on the front windshield after the speculum reflection described in；The main frame and the height
Bright display connects, for gathering the information that needs to be projected on the front windshield in driving procedure and driving described highlighted
Display is shown.
In equipment as above, the pedestal is to be horizontally set on below shield glass, above instrument desk
Platy structure, the speculum, the high brightness indicator are sequentially located at the forward and backward end of the platy structure, described highlighted aobvious
Show that the back side of device is integrally formed opening with the platy structure towards driver side, the speculum and the high brightness indicator
" U " type structure upwards.
In equipment as above, the pedestal is to be vertically arranged in below shield glass, above instrument desk
Platy structure, the speculum, the high brightness indicator are sequentially located at the upper and lower end of the platy structure, the pedestal
Outside is integrally formed with the platy structure and is open forward towards driver side, the speculum and the high brightness indicator
" U " type structure.
In equipment as above, it is rotatable between the high brightness indicator and/or the speculum and the base
Connection, to realize that the angle of pitch in the image projection to the front windshield of speculum reflection can adjust.
In equipment as above, the high brightness indicator is made up of the one kind in following：High Power LED and
Liquid crystal light valve constitute, Organic Light Emitting Diode and liquid crystal light valve composition, RGB multicolour laser, rotary type speculum and dissipate
Penetrate plate composition, Digital Light Processor and scatter plate composition, the micro- projection unit of liquid crystal on silicon and scatter plate composition.
In equipment as above, the scatter plate is transmission-type scatter plate or reflective scatter plate；The RGB is more
Color laser instrument and rotary type speculum, the Digital Light Processor, the micro- projector of the liquid crystal on silicon are located at described respectively
The rear side of formula scatter plate is penetrated, or positioned at the front side of the reflective scatter plate.
In equipment as above, the main frame is arranged on the base, and positioned at the lower section of the high brightness indicator.
In equipment as above, the high brightness indicator is 110mm-140mm with the distance of the speculum.
In equipment as above, the minute surface of the speculum is in sphere, aspherical, hyperboloid and free form surface
Kind.
In equipment as above, the image projected on the front windshield is located at 1.5- immediately ahead of driver
At 3 meters.
In equipment as above, the equipment also includes polarising means, and the polarising means is arranged on described highlighted aobvious
Show device to the light path between the speculum, for polarizing the image light that the high brightness indicator sends, make to send out
The light for going out is polarised light of electric vector E perpendicular to the plane of incidence.
In equipment as above, the polarising means includes polarizer and the wave plate for being arranged along the light path according to this.
The utilization shield glass of the embodiment of the present invention realizes the equipment for showing that comes back, by by high brightness indicator with
Speculum just to be arranged on pedestal, when reducing user new line display device being installed in the car, in addition it is also necessary to consider each device
Between relative position need to meet the not convenience of light path demand；Secondly, pedestal is arranged on below shield glass, instrument
Terrace part above table platform, improves the space flexibility of new line display device set location in the car；Finally, in this programme
New line display device need not have special requirement to the material of front windshield, it is and simple structure, with low cost.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow the above and other objects of the present invention, feature and advantage can
Become apparent, below especially exemplified by the specific embodiment of the present invention.
Description of the drawings
Fig. 1 is that utilization shield glass provided in an embodiment of the present invention realizes the equipment schematic diagram one for showing that comes back；
Fig. 2 is that utilization shield glass provided in an embodiment of the present invention realizes the equipment schematic diagram two for showing that comes back；
Fig. 3 is the schematic diagram one that the front windshield of automobile provided in an embodiment of the present invention produces mirror-reflection；
Fig. 4 is that utilization shield glass provided in an embodiment of the present invention realizes the equipment schematic diagram three for showing that comes back；
Fig. 5 is that utilization shield glass provided in an embodiment of the present invention realizes the equipment schematic diagram four for showing that comes back；
Fig. 6 is that utilization shield glass provided in an embodiment of the present invention realizes the equipment schematic diagram five for showing that comes back；
Fig. 7 is that utilization shield glass provided in an embodiment of the present invention realizes the equipment schematic diagram six for showing that comes back；
Fig. 8 is motor vehicles provided in an embodiment of the present invention and projected image location diagram；
Schematic diagrams two of the Fig. 9 for the front windshield generation mirror-reflection of automobile；
Figure 10 is s ripples and the p glistening lights of waves refraction and reflectogram in interface；
Figure 11 be light glass and the interface of air reflectivity with incident angle change curve；
Figure 12 is that utilization shield glass provided in an embodiment of the present invention realizes the equipment schematic diagram seven for showing that comes back.
Specific embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure and should not be by embodiments set forth here
Limited.On the contrary, there is provided these embodiments are able to be best understood from the disclosure, and can be by the scope of the present disclosure
Complete conveys to those skilled in the art.
Embodiment one
Fig. 1, Fig. 2 are that utilization shield glass provided in an embodiment of the present invention realizes that the equipment that new line shows is illustrated
Figure, the shield glass utilized by the equipment does not need special substance, is existing common windshield.Such as Fig. 1,
Shown in Fig. 2, using shield glass, this realizes that the equipment that new line shows includes：
Pedestal 1, high brightness indicator 2, speculum 3 and main frame 4, high brightness indicator 2 and speculum 3 just to be arranged on pedestal
On 1；Pedestal 1 is arranged on below shield glass 5, the terrace part above instrument desk 6, and meets high brightness indicator 2
The reflected mirror 3 of image for sending is projected on front windshield 5 after reflecting；Main frame 4 is connected with high brightness indicator 2, for gathering
The information being projected on front windshield 5 is needed in driving procedure and drives high brightness indicator 2 to be shown.
Wherein, as shown in Figure 1 and Figure 2, above-mentioned utilization shield glass realizes the operation principle of the equipment that new line shows
For：First, the information being projected on front windshield 5 is needed in the collection of main frame 4 driving procedure and drive high brightness indicator 2 to carry out
Show；Then, high brightness indicator 2 projects to the information for needing to show on speculum 3, and speculum 3 reflects the image onto automobile
On front windshield 5；Finally, windshield 5 is by image secondary reflection, and due to windshield 5, itself to there is certain minute surface anti-
Rate is penetrated, image secondary counter can be injected the eyes 20 of driver, driver is through windshield 5 it is seen that new line shows sets
For the information completely for showing, clearly it is imaged in front of which.In Fig. 1,30 tables of propagation light path of the image information of projection are needed
Show.
As shown in figure 3, the front windshield 5 for automobile produces the schematic diagram one of mirror-reflection.The front windshield 5 of automobile
It is with certain refractive index, theoretical according to Application Optics, work as incident ray, the light 30 of the such as reflection of speculum 3 incides glass
During with the interface of air, for refractive index is the glass material of n, some light 31 can occur mirror-reflection in incidence surface,
Its specular reflectivity is ρ=(n-1/n+1) 2, and remaining light 32 can pass through incidence surface.Due to the presence of specular reflectivity, make
Obtaining shield glass 5 can carry out secondary reflecting imaging to the image of the reflection of speculum 3, so that image information is by people
Observe and observe.Driver just can by the form of semi-transflective reflective, through windshield 5, both it was observed that situation on road,
The picture material that HUD shows is observed simultaneously.
In practical application scene, see figures.1.and.2 shown.Driver is sitting on operator seat, by pedestal 1, is highlighted
The integral structure that device 2 and speculum 3 are formed can be positioned over below the front windshield 5 for driving front, flat above instrument desk 6
Platform part.Main frame 4 can be arranged on together with high brightness indicator 2 and speculum 3 on pedestal 1, it is also possible to separated setting, and is led to
The mode for crossing wired or wireless connection is electrically connected with high brightness indicator 2.High brightness indicator 2 can utilize pedestal 1 structure or itself
Structure blocks the light that high brightness indicator 2 is sent towards driver, so as to not interfere with the sight line of driver.Main frame 4 can be with vapour
The information output interface connection of the electronic control unit (Electronic Control Unit, ECU) of car, obtains information of vehicles,
Including：Speed, engine speed, oil consumption, water temperature, tire condition etc., and these information are converted into into figure standard.Main frame 4
Data wire can be passed through with the peripheral hardware such as mobile phone or be wirelessly connected, the information in mobile phone is transmitted directly to be highlighted
Device, carries out the projection of image, and the information of projection may include phone information, navigation map, weather conditions, traffic information etc..Drive
The information that member can be shown with the touch screen manipulation HUD on mobile phone, it is also possible to which voice is carried out by the voice assistant of mobile phone
Manipulation, or gesture manipulation etc. is carried out using the camera of mobile phone.
Utilization shield glass provided in an embodiment of the present invention realizes the equipment for showing that comes back, by being highlighted
Device and speculum just to be arranged on pedestal, when reducing user new line display device being installed in the car, in addition it is also necessary to consider each
Relative position between device need to meet the not convenience of light path demand；Secondly, pedestal is arranged under shield glass
Side, the terrace part above instrument desk improve the space flexibility of new line display device set location in the car；Finally, originally
New line display device in scheme need not have a special requirement to the material of front windshield, and simple structure, with low cost.
Embodiment two
Fig. 4 is that utilization shield glass provided in an embodiment of the present invention realizes the equipment schematic diagram for showing that comes back, should
Equipment contains the structure of the equipment that the new line in the embodiment shown in Fig. 1, Fig. 2 shows, and on its basis, has carried out structure
Refinement.As shown in figure 4, during this realizes the equipment that new line shows using shield glass：
Pedestal 1 is to be horizontally set on below shield glass 5, the platy structure 11 above instrument desk 6, speculum 3,
High brightness indicator 2 is sequentially located at the forward and backward end of platy structure 11, and the back side of high brightness indicator 2 is towards driver side, reflection
Mirror 3 and high brightness indicator 2 are integrally formed " U " type structure of opening upwards with platy structure 11.
Wherein, the noun of locality being related in the present embodiment, such as "front", "rear", " on ", D score, be normally to be driven with driver
The bearing definition that perceived during vehicle is sailed, the such as headstock direction of automobile is " front ", and tailstock direction is for " afterwards ", roof direction is
" on ", chassis direction is D score.
Specifically, as shown in figure 4, the right side oblique upper of acquiescence figure is the windshield 5 of automobile, instrument of the lower section for automobile
Platform 6, left side are driver position, and right side is the headstock position of automobile.Said base 1 can be to be horizontally set on automotive front baffle
Below wind glass 5, the platy structure 11 above instrument desk 6, speculum 3, high brightness indicator 2 are sequentially located at platy structure 11
Forward and backward end, the back side of high brightness indicator 2 towards driver side, high brightness indicator 2 with speculum 3 in front and back just to arranging,
And speculum 3 and high brightness indicator 2 are integrally formed " U " type structure of opening upwards with platy structure 11.
Here explanation, so-called " U " type structure is needed to refer to that speculum 3 and high brightness indicator 2 are formed with platy structure 11
Entirety in semi-surrounding contour structures, and in order to ensure speculum 3 can by high brightness indicator 2 projection come light reflection
Go out, speculum 3 and high brightness indicator 2 just to optical surface can not be parallel, and should grin open certain angle along opening direction
(speculum 3 is less than distance opening in the distance of " U " type structural base with high brightness indicator 2).For example, speculum 3 with
High brightness indicator 2 is inclined with respect to 11 outside both sides of platy structure respectively；Or the tabular relative with high brightness indicator 2 of speculum 3
Structure 11 is inclined to homonymy, but to be ensured that speculum 3 is less than opening in the distance of " U " type structural base with high brightness indicator 2
The distance at place；Or as shown in Figure 4,2 relative platy structure 11 not run-off the straight (vertical plate structure of high brightness indicator
11), while 3 relative platy structure 11 of speculum is inclined laterally；Similar, it is also possible to 3 relative tabular of speculum is set and is tied
11 not run-off the straight of structure (vertical plate structure 11), while 2 relative platy structure 11 of high brightness indicator is inclined laterally.
In concrete application scene, the information for needing to show is projected to the speculum 3 in front of which by high brightness indicator 2
On, speculum 3 is reflected the image onto on shield glass 5, and driver passes through windshield 5 and shows it is seen that coming back
Information completely that equipment shows, clearly it is imaged in front of which.Simultaneously as the back side of high brightness indicator 2 is towards driver one
Side, has blocked the light that high brightness indicator 2 is sent towards driver, so as to not interfere with the sight line of driver.
In addition, as shown in Figure 5, it is that another utilization shield glass provided in an embodiment of the present invention is realized coming back aobvious
The equipment schematic diagram shown, the equipment equally contain the structure of the equipment that the new line in the embodiment shown in Fig. 1, Fig. 2 shows, and
On its basis, structure refinement has been carried out.As shown in figure 5, during this realizes the equipment that new line shows using shield glass：
Pedestal 1 is to be vertically arranged in below shield glass 5, the platy structure 11 above instrument desk 6, speculum 3,
High brightness indicator 2 is sequentially located at the upper and lower end of platy structure 11, and the outside of pedestal 1 is towards driver side, 3 He of speculum
High brightness indicator 2 is integrally formed opening " U " type structure forward with platy structure 11.
Specifically, as shown in figure 5, the right side oblique upper of acquiescence figure is the windshield 5 of automobile, instrument of the lower section for automobile
Platform 6, left side are driver position, and right side is the headstock position of automobile.Said base 1 can be to be vertically arranged in automotive front baffle
Below wind glass 5, the platy structure 11 above instrument desk 6, speculum 3, high brightness indicator 2 are sequentially located at platy structure 11
Upper and lower end, the outside of pedestal 1 towards driver side, high brightness indicator 2 with speculum 3 in up and down just to arranging, and reflect
Mirror 3 and high brightness indicator 2 are integrally formed opening " U " type structure forward with platy structure 11.
Wherein, the explanation with regard to " U " type structure can be found in foregoing teachings.
In concrete application scene, the information for needing to show is projected to high brightness indicator 2 speculum 3 being positioned above
On, speculum 3 is reflected the image onto on shield glass 5, and driver passes through windshield 5 and shows it is seen that coming back
Information completely that equipment shows, clearly it is imaged in front of which.Simultaneously as the outside of pedestal 1 is blocked towards driver side
The light that high brightness indicator 2 is sent towards driver, so as to not interfering with the sight line of driver.
Further, in order to allow users to flexibly adjust projected position of the image on front windshield, can be by height
It is set to be rotatably connected between bright display 2 and/or speculum 3 and base 1, to realize the image projection of the reflection of speculum 3
The angle of pitch on front windshield 5 can adjust.For example shown in Fig. 4, Fig. 5, can arrange between speculum 3 and base 1
By rotary shaft, rotary shaft, realizes that speculum 3 is rotatable relative to base 1, so as to projecting to the image on front windshield 5
Carry out angle of pitch regulation.
Further, below the concrete structure to high brightness indicator 2 is illustrated.
High brightness indicator 2 can be made up of the one kind in following：High Power LED and liquid crystal light valve composition, You Jifa
Optical diode and liquid crystal light valve composition, RGB multicolour laser, rotary type speculum and scatter plate composition, digital light process
Device and scatter plate composition, the micro- projection unit of liquid crystal on silicon and scatter plate composition.
Wherein, described Digital Light Processor is to process (Digital Light Processing, DLP) using digital light
Technology is signal of video signal through digital processing, the device that then again light is projected.
Specifically, the translucent principle based on scatter plate, above-mentioned scatter plate can be transmission-type scatter plate or reflective scatter plate.
When scatter plate is transmission-type scatter plate, RGB multicolour laser and rotary type speculum, digital light process
Device, the micro- projector of liquid crystal on silicon is respectively positioned at the rear side of transmission-type scatter plate.Wherein, it is intended to the image light of projection from scatter plate
Send, and the direction of directional mirror 3 is appointed as the front side of scatter plate, after the side contrary with the direction is appointed as scatter plate
Side.As shown in fig. 6, when scatter plate is transmission-type scatter plate, the luminescent device in high brightness indicator is that is, more by RGB respectively
Color laser instrument and rotary type speculum group into luminescent device, the luminescent device that Digital Light Processor is constituted, liquid crystal on silicon is micro-
Projector mechanism into luminescent device respectively positioned at transmission-type scatter plate rear side.
When scatter plate is reflective scatter plate, RGB multicolour laser and rotary type speculum, digital light process
Device, the micro- projector of liquid crystal on silicon is respectively positioned at the front side of reflective scatter plate.As shown in fig. 7, when scatter plate is reflective scattering
During plate, the luminescent device in high brightness indicator, i.e., respectively by RGB multicolour laser and rotary type speculum group into send out
Optical device, Digital Light Processor constitute luminescent device, the micro- projector mechanism of liquid crystal on silicon into luminescent device respectively be located at reflection
The front side of formula scatter plate.
Here explanation, above-mentioned luminescent device and scatter plate is needed actually to be positioned at the inside of high brightness indicator 2, this enforcement
Fig. 6 and Fig. 7 in example is merely to illustrating the position relationship between luminescent device and different type scatter plate and being drawn in intentionally highlighted
The outside of display 2, is only used for convenient explanation know-why.
Further, in order to complete to realize the theory of the integrated design of new line display device in this programme, can be by main frame 4
It is arranged on base 1, and positioned at the lower section of high brightness indicator 2.As such, it is possible to facilitate user to carry, the body of whole equipment is reduced
Product, while also not affecting the light between high brightness indicator 2 and speculum 3 to transmit.Meanwhile, can also by high brightness indicator 2 with it is anti-
The distance for penetrating mirror is set to 110mm-140mm, to reduce the volume of whole equipment.
Further, above-mentioned speculum 3 may be arranged as minute surface in sphere, aspherical, hyperboloid and free form surface
One kind, with the bending of the minute surface using itself, correct distortion that windshield 5 produced in secondary reflection image process and as
Dissipate and wait aberration.
Fig. 8 is motor vehicles provided in an embodiment of the present invention and projected image location diagram.It can be seen that row
Sail in the motor vehicles 50 on road 60, the image 40 that new line display device is projected on front windshield 5 is located at driver
At the 1.5-3 rice of front, driver easily can just view projection information.
In addition, in the schematic diagram that the front windshield shown in aforementioned Fig. 3 produces mirror-reflection, simply tentatively introducing is used for
Realize the mirror-reflection principle adopted during the new line display function in the present embodiment.And in practical application scene, due to front
Wind glass has certain thickness, therefore projected light line can occur semi-transparent semi-reflecting process twice on the two of glass sides, go out
Existing ghost phenomena.The process is illustrated below with reference to mirror-reflection schematic diagram shown in Fig. 9.
As shown in figure 9, the front windshield 5 of automobile has certain refractive index, and it is theoretical according to Application Optics, work as incident light
When the light 30 of line, such as speculum 3 reflection incides the interface 35 of glass and air, some light 31 can be sent out in incidence surface
Raw mirror-reflection, remaining light 32 can pass through the interface 36 that incidence surface 35 reaches glass and air.Now, the one of light 32
Part 33 can occur secondary mirror-reflection, then pass through surface 35, and remaining light 34 can pass through the interface 36 of glass and air.
Due to the presence of mirror-reflection so that shield glass 5 can carry out catoptric imaging to the image of the reflection of speculum 3, from
And image information is arrived by eye-observation.Driver is existing by the optics that light occurs semi-transflective reflective on front windshield
As through windshield 5, both it was observed that situation on road, while it was observed that the picture material that shows of HUD.No
Cross, as interface 35 and 36 of the light in glass and air there occurs semi-transflective reflective process twice, cause driver to observe
To image there is ghost phenomena as shown in Figure 9.
In order to reduce the ghost phenomena that common windshield is produced, the present invention is proposed using polarization shadow casting technique, with reality
The suppression of existing ghost image.Concrete principle is as follows：The light beam for inciding windshield can be decomposed into electric vector E perpendicular to the plane of incidence
S ripples and the p ripples parallel to the plane of incidence, two kinds of ripples are as shown in Figure 10 in the refraction and reflection of glass and the interface of air.Root
Reflectivity R according to fresnel formula, s ripples and p ripples is as shown in figure 11 with the variation relation of incidence angle theta1.Can from figure
Go out, in the range of about 60 degree to 70 degree of incident angle (abscissa is incident angle), (ordinate is anti-to the reflectivity Rs of s ripples
Penetrate rate) the reflectivity Rp of p ripples is significantly greater than.Therefore, the light for inciding speculum 3 is modulated into completely s by the present embodiment
Ripple, the light for so inciding the interface 35 of glass and air have greater proportion of energy and reflect, through interface
The energy of 35 light 32 can be lower, then the energy of the light 33 of second half reflection that the interface 36 of glass and air occurs
Can be lower.It is, the polarization direction by changing light, and then it is semi-transparent for the first time to improve the light incided on windshield
Reflectivity during half reflection, can so improve the brightness of the image of windshield surface first reflection, reduce by second
The brightness of secondary reflection, so as to realize the suppression of ghost image.
Based on the principle of above-mentioned suppression ghost phenomena, as shown in figure 12, the equipment that the new line provided in the present embodiment shows
In may also include polarising means 7, the polarising means 7 be arranged on high brightness indicator 2 to the light path between speculum 3 (ensure
Polarising means 7 is arranged on the premise of light incided in the light path of speculum 3, also can be by polarising means 7 and high brightness indicator 2
Integrated setting), for polarizing to the image light that high brightness indicator 2 sends, make the light for sending be that electric vector E is vertical
In the polarised light of the plane of incidence, so as to improve the reflection during the light first time semi-transflective reflective for inciding on windshield
Rate, reaches the purpose for suppressing ghost image.
Specifically, polarising means 7 includes polarizer 71 and the wave plate 72 set gradually along light path.Wherein, polarizer 71
It act as passing through polarised light of the light for electric vector E perpendicular to the plane of incidence, suppression light is electric vector E parallel to the plane of incidence
Polarised light, wave plate 72 is for carrying out perpendicular to the polarization angle of the polarised light of the plane of incidence for electric vector E to throwing incoming light
Adjustment, it is ensured that the polarization angle of polarised light is perpendicular to the plane of incidence.
The equipment that the utilization shield glass realization new line of the embodiment of the present invention shows, compact conformation, with low cost,
Install and use simply, and can effectively suppress ghost phenomena.
One of ordinary skill in the art will appreciate that：Realize the whole of above-mentioned each method embodiment, or part steps can be with
Completed by the related hardware of programmed instruction.Aforesaid program can be stored in a computer read/write memory medium.Should
Program upon execution, performs the step of including above-mentioned each method embodiment；And aforesaid storage medium includes：ROM, RAM, magnetic disc
Or CD etc. is various can be with the medium of store program codes.
Finally it should be noted that：Various embodiments above only to illustrate technical scheme, rather than a limitation；To the greatest extent
Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that：Its according to
So the technical scheme described in foregoing embodiments can be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of utilization shield glass realizes the equipment for showing that comes back, it is characterised in that include：Pedestal, it is highlighted
Device, speculum and main frame, the high brightness indicator and the speculum just to be arranged on the pedestal；
The pedestal is arranged on below shield glass, the terrace part above instrument desk, and meets described highlighted aobvious
Project on the front windshield after showing image speculum reflection described in that device sends；
The main frame is connected with the high brightness indicator, is projected in the front windshield for gathering
Information and drive the high brightness indicator to be shown.
2. equipment according to claim 1, it is characterised in that the pedestal is to be horizontally set under shield glass
Side, the platy structure above instrument desk, the speculum, the high brightness indicator are sequentially located at the forward and backward of the platy structure
End, the back side of the high brightness indicator towards driver side,
The speculum and the high brightness indicator are integrally formed " U " type structure of opening upwards with the platy structure.
3. equipment according to claim 1, it is characterised in that the pedestal is to be vertically arranged under shield glass
Side, the platy structure above instrument desk, the speculum, the high brightness indicator are sequentially located at the upper and lower of the platy structure
End, the outside of the pedestal towards driver side,
The speculum and the high brightness indicator are integrally formed opening " U " type structure forward with the platy structure.
4. equipment according to claim 1, it is characterised in that the high brightness indicator and/or the speculum with it is described
To be rotatably connected between base, to realize the angle of pitch in the image projection to the front windshield of the speculum reflection
It is adjustable.
5. equipment according to claim 1, it is characterised in that the high brightness indicator is made up of the one kind in following：It is high
Power led and liquid crystal light valve composition, Organic Light Emitting Diode and liquid crystal light valve composition, RGB multicolour laser, can
Rotary mirror and scatter plate composition, Digital Light Processor and scatter plate composition, the micro- projection unit of liquid crystal on silicon and scatter plate
Composition.
6. equipment according to claim 5, it is characterised in that the scatter plate is transmission-type scatter plate or reflective scattering
Plate；
The RGB multicolour laser and rotary type speculum, the Digital Light Processor, the micro- projection of the liquid crystal on silicon
Machine is located at the rear side of the transmission-type scatter plate respectively, or positioned at the front side of the reflective scatter plate.
7. equipment according to claim 1, it is characterised in that the main frame is arranged on the base, and be located at described
The lower section of high brightness indicator.
8. equipment according to claim 1, it is characterised in that the minute surface of the speculum is sphere, aspherical, hyperboloid
With the one kind in free form surface.
9. equipment according to claim 1, it is characterised in that the equipment also includes polarising means, the polarising means
The high brightness indicator is arranged on to the light path between the speculum, for the image light sent to the high brightness indicator
Line is polarized, and makes the light for sending be polarised light of electric vector E perpendicular to the plane of incidence.
10. equipment according to claim 9, it is characterised in that the polarising means includes being arranged along the light path according to this
Polarizer and wave plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611056529.0A CN106547094A (en) | 2016-11-25 | 2016-11-25 | The equipment that new line shows is realized using shield glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611056529.0A CN106547094A (en) | 2016-11-25 | 2016-11-25 | The equipment that new line shows is realized using shield glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106547094A true CN106547094A (en) | 2017-03-29 |
Family
ID=58395162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611056529.0A Pending CN106547094A (en) | 2016-11-25 | 2016-11-25 | The equipment that new line shows is realized using shield glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106547094A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109270693A (en) * | 2018-08-06 | 2019-01-25 | 乔士琪 | Automobile head-up display device is filled before a kind of |
| CN109387940A (en) * | 2017-08-11 | 2019-02-26 | 东莞创奕电子科技有限公司 | Use the display device and its Vehicular head-up display system of common windscreen |
| CN109973863A (en) * | 2017-12-26 | 2019-07-05 | 丰田自动车株式会社 | Illuminator in vehicle interior |
| CN112147780A (en) * | 2019-06-26 | 2020-12-29 | 比亚迪股份有限公司 | Vehicle-mounted head-up display device, control system, control method, and storage medium |
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Application publication date: 20170329 |
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