CN105785569A - On-board head-up display system - Google Patents

On-board head-up display system Download PDF

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Publication number
CN105785569A
CN105785569A CN201410820395.XA CN201410820395A CN105785569A CN 105785569 A CN105785569 A CN 105785569A CN 201410820395 A CN201410820395 A CN 201410820395A CN 105785569 A CN105785569 A CN 105785569A
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China
Prior art keywords
zoom
eyeglass
display system
picture
image
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CN201410820395.XA
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Chinese (zh)
Inventor
凌莉
吴益锋
李明
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BYD Co Ltd
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BYD Co Ltd
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Application filed by BYD Co Ltd filed Critical BYD Co Ltd
Priority to CN201410820395.XA priority Critical patent/CN105785569A/en
Priority to PCT/CN2015/099022 priority patent/WO2016101920A1/en
Priority to JP2017534321A priority patent/JP6626895B2/en
Priority to US15/536,048 priority patent/US10338386B2/en
Priority to EP15871988.0A priority patent/EP3237962A4/en
Publication of CN105785569A publication Critical patent/CN105785569A/en
Pending legal-status Critical Current

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Abstract

The invention provides an on-board head-up display system having continuous zooming function. According to the prior art, the image position projected by the conventional on-board head-up display system cannot change along with the change of the visual line of the driver, and then the driver is required to switch the visual line between the image and the condition of the road ahead during the acquiring of the information displayed by the on-board head-up display system, and therefore the safety hidden troubles are caused. The on-board head-up display system comprises a display screen assembly and a three-reflection type optical assembly. The three-reflection type optical assembly is disposed on the light-emitting optical path of the display screen assembly, and the image projected by the display screen assembly can be reflected to the automobile front windshield, which can be used to reflect the image to the human eyes. By adopting the on-board head-up display system provided by the invention, the driver is not required to switch the visual line between the image and the condition of the road ahead, and the imaging position of the image can be adjusted according to the visual line focusing position of the driver, and therefore the image of the on-board head-up display system and the condition of the road ahead, which attracts the attention of the driver, can be integrated together, and the driving safety can be improved.

Description

A kind of vehicle-mounted head-up-display system
Technical field
The present invention relates to vehicle-mounted head-up-display system field.
Background technology
Raising along with people's living standard, requirement for automobile is higher, existing partial automobile has been mounted with vehicle-mounted head-up-display system (English abbreviation: HUD, English full name: HeadsUpDisplay), also crying and look squarely display instrument, be installed on the instrument desk of automobile, vehicle-mounted head-up-display system utilizes the principle of optical reflection, projecting on front windshield by information in the way of word and figure, the height of projection picture is substantially with the eyes of driver in the same horizontal line.Driver can watch image formed virtual image after front windshield reflects that this vehicle-mounted head-up-display system projects in front.So, driver is in driving procedure, together with the information fusion that easily extraneous scene can be shown with new line display instrument, viewing is got up as snug as a bug in a rug, driver need not bow, it is seen that other information such as navigation, speeds, thus avoiding the dispersion attention to road ahead, travel safety improves a lot.
Research worker finds in research process, vehicle is in the process of moving, the eye focus position of driver is certain, it is typically between 2.5-3 rice, therefore, existing vehicle-mounted head-up-display system typically directly projects image by transmission display panel, the virtual image is become between the 2.5-3 rice of driver front after front windshield reflects.So, while driver watches front road conditions, also can be clearly seen that the image that its vehicle-mounted head-up-display system projects.But, when travel speed is very fast, driver for watching more front road conditions, the focal position of its sight line generally can more than 3 meters, sometimes even up to 6-7 rice.But, the picture position of existing vehicle-mounted head-up-display system projection can not change therewith, and driver needs to switch sight line between image and front road conditions when obtaining the information of display on vehicle-mounted head-up-display system, causes existing in driving procedure potential safety hazard.
Summary of the invention
For solve the projection of existing vehicle-mounted head-up-display system picture position can not the change of pilot's line of vision and change therewith, driver needs to switch sight line between image and front road conditions when obtaining the information of display on vehicle-mounted head-up-display system, cause driving procedure exists security hidden trouble, the invention provides a kind of can the vehicle-mounted head-up-display system of continuous vari-focus.
The present invention provides a kind of vehicle-mounted head-up-display system, and including the trans optical module of display screen component and three, described three trans optical modules are positioned on the emitting light path of described display screen component, is reflexed on shield glass by the image that display screen component projects;Image is reflexed to human eye by described shield glass;
Wherein, described three trans optical modules include the zoom mirror assembly, picture element compensating glass assembly and the front compensating glass assembly that set gradually in light path;
Described zoom mirror assembly includes zooming in or out for the image that display screen component is projected and the zoom eyeglass of light path of turning back and zoom lens curvature adjusting part for described zoom lens curvature is adjusted;
Described picture element compensating glass assembly include for the picture element distortion caused in described zoom lens curvature change procedure is compensated and light path of turning back as mend eyeglass and for described picture mend lens curvature be adjusted as mend lens curvature adjusting part;
The front that described front compensating glass assembly includes for the distortion that front windshield on automobile is caused compensates compensates eyeglass.
Preferably, described zoom mirror assembly is positioned on the emitting light path of described display screen component;Described picture element compensating glass assembly is positioned on the emitting light path of described zoom mirror assembly;
Described front compensating glass assembly is positioned on the emitting light path of described picture element compensating glass assembly, and its emergent ray projects to described front windshield.
Preferably, described zoom lens curvature adjusting part includes zoom electrically-conductive backing plate and the zoom conductive film being attached on described zoom eyeglass;
Forming electric field between described zoom electrically-conductive backing plate and described zoom conductive film, the electrostatic drive power that described zoom eyeglass is subject between electric field downwards or upwards so that described zoom eyeglass is deformed, to regulate the curvature of described zoom eyeglass.
Preferably, described zoom eyeglass is between described zoom electrically-conductive backing plate and described zoom conductive film.
Preferably, described zoom eyeglass is arranged in a zoom picture frame.
Preferably, described picture benefit lens curvature adjusting part includes mending conductive film as benefit electrically-conductive backing plate and the picture being attached on described picture benefit eyeglass;
Described picture benefit electrically-conductive backing plate and described picture are mended and are formed electric field between conductive film, and the electrostatic drive power that eyeglass is subject between electric field downwards or upwards mended by described picture so that described picture is mended eyeglass and is deformed, to regulate the curvature of described picture benefit eyeglass.
Preferably, described picture mends eyeglass between described picture benefit electrically-conductive backing plate and described picture benefit conductive film.
Preferably, described picture is mended eyeglass and is arranged on one as mending in picture frame.
Preferably, it includes a transmission display panel and is positioned at the light source assembly of described transmission display panel lower end.
Preferably, this light source assembly include backlight, the collecting lens of some backlights of array distribution and the array distribution corresponding with described backlight in described backlight.
The vehicle-mounted head-up-display system that the embodiment of the present invention provides, it has installed three trans optical modules additional on emitting light path after display screen component.nullDue in this three trans optical module,Its zoom mirror assembly includes zoom eyeglass and zoom lens curvature adjusting part,Therefore,Can pass through to change zoom eyeglass and the radius of curvature as benefit eyeglass in three trans optical modules,Realize the focal length of whole vehicle-mounted head-up-display system light path is adjusted,Realize continuous vari-focus,When after driver's speed is accelerated, its focus vision position is zoomed out,Zoom lens curvature in this this zoom mirror assembly of vehicle-mounted head-up-display system scalable,Equally the image that vehicle-mounted head-up-display system projects is zoomed out,It is made to need the focus vision position of the front road conditions paid close attention to overlap with driver,So,Driver is without switching sight line between image and front road conditions,The image space of projection picture can be adjusted according to pilot's line of vision focal position,The image of vehicle-mounted head-up-display system is merged completely with the front road conditions of driver's concern,Improve the safety of driving,Simultaneously,Image can be amplified by this zoom mirror assembly further,Driver is made can more clearly to obtain the information of complexity.Simultaneously, the image quality that its picture element compensating glass assembly can cause after this zoom eyeglass is changed light path is adjusted, change as the curvature mending eyeglass by rule, image quality is compensated so that the image picture element of vehicle-mounted head-up-display system projection nothing in zooming procedure is decreased obviously when object plane is motionless.And adopting this front compensating glass assembly, then the distortion that can front windshield on automobile be caused compensates, it is prevented that distortion occurs in image, improves the image quality of projection picture further.
Accompanying drawing explanation
Fig. 1 is the vehicle-mounted head-up-display system light path principle figure provided in the specific embodiment of the invention;
Fig. 2 is the zoom mirror assembly cross-sectional schematic provided in the specific embodiment of the invention;
Fig. 3 is the zoom mirror assembly schematic perspective view provided in the specific embodiment of the invention;
Fig. 4 is the picture element compensating glass assembly cross-sectional schematic provided in the specific embodiment of the invention;
Fig. 5 is the picture element compensating glass assembly schematic perspective view provided in the specific embodiment of the invention.
Wherein, 1, display screen component;2, zoom mirror assembly;3, picture element compensating glass assembly;4, front compensating glass assembly;5, front windshield;21, zoom eyeglass;22, zoom conductive film;23, zoom electrically-conductive backing plate;24, zoom picture frame;31, as mending eyeglass;32, as mending conductive film;33, as mending electrically-conductive backing plate;34, as mending picture frame.
Detailed description of the invention
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Embodiment
Vehicle-mounted head-up-display system provided by the invention will be carried out specific explanations explanation by this example, as shown in Figure 1, it includes display screen component 1 and three trans optical modules, described three trans optical modules are positioned on the emitting light path of described display screen component 1, are reflexed on shield glass 5 by the image that display screen component 1 projects;Image is reflexed to human eye by described shield glass 5;
Wherein, described three trans optical modules include the zoom mirror assembly 2, picture element compensating glass assembly 3 and the front compensating glass assembly 4 that set gradually in light path;
Described zoom mirror assembly 2 includes zooming in or out for the image that display screen component 1 is projected and the zoom eyeglass 21 of light path of turning back and zoom eyeglass 21 curvature adjusting part for described zoom eyeglass 21 curvature is adjusted;
Described picture element compensating glass assembly 3 include for the picture element distortion caused in described zoom eyeglass 21 Curvature varying process is compensated and light path of turning back as mend eyeglass 31 and for described picture mend eyeglass 31 curvature be adjusted as mend eyeglass 31 curvature adjusting part;
The front that described front compensating glass assembly 4 includes for the distortion that front windshield on automobile 5 is caused compensates compensates eyeglass.Meanwhile, this front compensates eyeglass also for transferring light path, and the light that picture element compensating glass assembly 4 reflects back is reflexed to front windshield 5.Also by increasing angle adjusting mechanism on this front compensating glass assembly 4, its reflection angle is adjusted, to regulate the projection picture altitude of vehicle-mounted head-up-display system.The light sent on display screen component 1, after respectively through zoom mirror assembly 2, picture element compensating glass assembly 3, front compensating glass assembly 4 and front windshield 5, finally incides in the eyes of driver.The surface curvature of eyeglass 31 and zoom eyeglass 21 mended by above-mentioned picture is transformable, and it is adjusted each via as benefit eyeglass 31 curvature adjusting part and zoom eyeglass 21 curvature adjusting part.
In this example, this zoom mirror assembly 2 is for transferring light path, and the image of display screen component 1 projection is zoomed in or out, and by zoom eyeglass 21 curvature adjusting part therein, the curvature of its zoom eyeglass 21 can be adjusted, thus realizing the image magnification of its projection is adjusted.And due to the image after this zoom mirror assembly 2 zooms in or out, image fault easily occurs, reduce image quality, therefore, the rear light path of this zoom mirror assembly 2 adds picture element compensating glass assembly 3, the image quality that this picture element compensating glass assembly 3 can cause after this zoom eyeglass 21 is changed light path is adjusted, change as the curvature mending eyeglass 31 by rule, image quality is compensated so that the image picture element of vehicle-mounted head-up-display system projection nothing in zooming procedure is decreased obviously when object plane is motionless.Owing to the front windshield 5 of automobile is the glass of an arc shape, image projected thereon can produce pincushion or tubular distortion, for eliminating above-mentioned distortion, therefore adds this front compensating glass assembly 4 in the optical path.
Wherein, eyeglass mended by above-mentioned zoom eyeglass and picture is concave mirror, and it is saddle type (English name is Biconic, and this face type represents that horizontal direction and vertical direction all can add asphericity coefficient) mirror that described front compensates eyeglass.
Display screen component 1 can adopt any structure of public domain, and it includes a transmission display panel and be positioned at the light source assembly of transmission display panel lower end, the light source irradiation that this light source assembly produces on this transmission display panel after, the image on display screen is projected away.In this example, this light source assembly includes some backlights of array distribution in backlight.As preferred mode, also can arranging corresponding with this backlight, the same collecting lens in array distribution in this light source assembly, above-mentioned collecting lens can be directly mounted in backlight, covers on outside backlight;Can also be adhesive on a converging substrate, or one-body molded with described converging substrate.This collecting lens can play to be gathered light, improves the utilization rate of light, and makes emergent ray more uniform, and lighting effect is better.
So-called curvature is aiming on eyeglass curve the tangent directional angle of certain some rotation rate to arc length, is defined by differential, it was shown that the degree of curve off-straight.The inverse of curvature is exactly radius of curvature.Curvature is more little, and radius of curvature is more big, and its minute surface is more flat, and focal length is more big.
So-called " the zoom mirror assembly 2, picture element compensating glass assembly 3 and the front compensating glass assembly 4 that set gradually in light path ", refers to that described zoom mirror assembly 2 is positioned on the emitting light path of described display screen component 1;Described picture element compensating glass assembly 3 is positioned on the emitting light path of described zoom mirror assembly 2;Described front compensating glass assembly 4 is positioned on the emitting light path of described picture element compensating glass assembly 3, and its emergent ray projects to described front windshield 5.
Wherein, about zoom eyeglass 21 curvature adjusting part, it is not limited to specific form, as long as its be controlled, the assembly of the curvature of zoom eyeglass 21 can be changed, no matter it is automatically controlled or the mode of Mechanical course, can, in such as this example, as shown in Figure 2 and Figure 3, described zoom eyeglass 21 curvature adjusting part includes zoom electrically-conductive backing plate 23 and the zoom conductive film 22 being attached on described zoom eyeglass 21;
Electric field is formed between described zoom electrically-conductive backing plate 23 and described zoom conductive film 22, the electrostatic drive power that described zoom eyeglass 21 is subject between electric field downwards or upwards, described zoom eyeglass 21 is made to be deformed (as shown in Figure 2, under the effect of electrostatic drive power shown in arrow, zoom eyeglass 21 is deformed into shown dotted line position), to regulate the curvature of described zoom eyeglass 21.As shown in Figure 2 and Figure 3, described zoom eyeglass 21 is between described zoom electrically-conductive backing plate 23 and described zoom conductive film 22.Described zoom eyeglass 21 is arranged in a zoom picture frame 24.
About compensating glass plate curvature adjusting part, it is not limited to specific form, as long as its be controlled, the assembly of curvature compensating eyeglass can be changed, it no matter it is automatically controlled or the mode of Mechanical course, it it is all acceptable, in such as this example, as shown in Figure 4, Figure 5, described picture benefit eyeglass 31 curvature adjusting part includes mending conductive film 32 as benefit electrically-conductive backing plate 33 and the picture being attached on described picture benefit eyeglass 31;
Electrically-conductive backing plate 33 mended by described picture and described picture is mended and formed electric field between conductive film 32, the electrostatic drive power that eyeglass 31 is subject between electric field downwards or upwards mended by described picture, make described picture mend eyeglass 31 and be deformed (as shown in Figure 3, under the effect of electrostatic drive power shown in arrow, it is deformed into shown dotted line position as mending eyeglass 31), to regulate the curvature of described picture benefit eyeglass 31.As shown in Figure 4, Figure 5, described picture mends eyeglass 31 between described picture benefit electrically-conductive backing plate 33 and described picture benefit conductive film 32.Described picture is mended eyeglass 31 and is arranged on one as mending in picture frame 34.
Below the curvature Principles of Regulation of above-mentioned compensating glass plate curvature adjusting part and zoom eyeglass 21 curvature adjusting part are carried out simplicity of explanation, for convenience of describing, it is referred to as electrically-conductive backing plate as benefit electrically-conductive backing plate 33 and zoom electrically-conductive backing plate 23, it is referred to as conductive film as benefit conductive film 32 and zoom conductive film 22, above-mentioned picture is mended eyeglass 31 and zoom eyeglass 21 is referred to as eyeglass, and picture frame will be referred to as benefit picture frame 34 and zoom picture frame 24.The curvature of above-mentioned compensating glass plate curvature adjusting part and zoom eyeglass 21 curvature adjusting part regulates and all adopts automatically controlled mode, forms electric field, and produced electrostatic drive power downwards or upwards by between electric field between conductive film and electrically-conductive backing plate.When this electrostatic drive power acts on eyeglass, downwards (or upwards) can there is a small deformation in eyeglass so that the curvature of eyeglass changes.Change voltage swing and the direction of electric field, it is possible to achieve the control to electric field force size and Orientation.Therefore the focal length of vehicle-mounted head-up-display system can be changed by changing the voltage acted between conductive film and electrically-conductive backing plate.
Theoretical according to first-order theory, the deflection α of zoom eyeglass 211(this deflection namely deform front radius of curvature and deformation after the difference of radius of curvature) can be tried to achieve by following formula (one):
α 1 = 1 16 f ( D + W s q ) 2 q s τ - 1 τ - - - ( 1 )
Wherein, as the deflection α mending eyeglass 312Can be tried to achieve by following formula (two):
α 2 = - 1 16 D 2 2 f τ - 1 qs (2)
Wherein, f is total focal length of vehicle-mounted head-up-display system, and D is Entry pupil diameters, τ is zoom ratio, s is zoom eyeglass 21 and the ratio as the spacing mended between eyeglass 31 with total focal distance f of vehicle-mounted head-up-display system, and q is zoom eyeglass 21 and the ratio as the clear aperature mending eyeglass 31, and W is 2 times of image planes height.
Wherein, the relation applied between electrostatic drive power F and it and the eyeglass radius that voltage produces between described conductive film and described electrically-conductive backing plate is following expression:
&alpha; ( r ) = F 4 T 0 [ r 2 - r 1 2 + 2 r 1 2 ln ( r 1 r 0 ) ] , r < r 1
&alpha; ( r ) = F 4 T 0 [ 2 r 1 2 ln ( r 1 r 0 ) ] , r 1 < r < r 0
Wherein, T0For film surface tension force, r0For the initial radium of eyeglass, r1For maximum distortion radius.
Theoretical according to first-order theory, coquille has following relation when object space is identical with image space medium:
1 l &prime; + 1 l = 1 f &prime;
In formula, l ' is image distance, and l is object distance, total focal length that f ' is vehicle-mounted head-up-display system.
The amplification of vehicle-mounted head-up-display system is:
The object distance of vehicle-mounted head-up-display system is constant, and when focal length becomes big, image distance becomes big, and amplification becomes big, and the image distance that namely driver sees becomes remote, and image becomes big;When focal length diminishes, image distance diminishes, and amplification diminishes, and the image distance that namely human eye is seen becomes near.
So, by above-mentioned compensating glass plate curvature adjusting part and zoom eyeglass 21 curvature adjusting part, can be adjusted as the curvature (or radius of curvature) mending eyeglass 31 and zoom eyeglass 21, by being applied to the voltage between conductive film and electrically-conductive backing plate, curvature or radius of curvature can be calculated, obtain the deformation quantity of eyeglass, and then obtain the variable quantity of vehicle-mounted head-up-display system focal length.So, can obtaining the focal length after vehicle-mounted head-up-display system adjusts as required, reverse release realizes the change regulating required voltage as the concrete curvature mending eyeglass 31 and zoom eyeglass 21.
The work process of vehicle-mounted head-up-display system is briefly described: when vehicle detection to speed changes herein, judge that pilot's line of vision focal position changes, described zoom mirror assembly 2 is automatically adjusted the curvature of its zoom eyeglass 21, the total focal length making vehicle-mounted head-up-display system changes, the picture position projected by vehicle-mounted head-up-display system changes so that it is overlap with the focus vision position of driver.The adjustment of this zoom mirror assembly 2 followed by picture element compensating glass assembly 3 simultaneously, automatically its image quality is adjusted, it is provided that high-quality image is to driver.The pattern distortion that front windshield 5 causes can be compensated by its front compensating glass assembly 4, it is prevented that image fault.
The vehicle-mounted head-up-display system that this example provides, it has installed three trans optical modules additional on emitting light path after display screen component 1.nullDue in this three trans optical module,Its zoom mirror assembly 2 includes zoom eyeglass 21 and zoom eyeglass 21 curvature adjusting part,Therefore,By changing zoom eyeglass and the radius of curvature as benefit eyeglass in three trans optical modules,Realize the focal length of whole vehicle-mounted head-up-display system light path is adjusted,Realize continuous vari-focus,When after driver's speed is accelerated, its focus vision position is zoomed out,Zoom eyeglass 21 curvature in this this zoom mirror assembly 2 of vehicle-mounted head-up-display system scalable,Equally the image that vehicle-mounted head-up-display system projects is zoomed out,It is made to need the focus vision position of the front road conditions paid close attention to overlap with driver,So,Driver is without switching sight line between image and front road conditions,The image space of projection picture can be adjusted according to pilot's line of vision focal position,The image of vehicle-mounted head-up-display system is merged completely with the front road conditions of driver's concern,Improve the safety of driving,Simultaneously,Image can be amplified by this zoom mirror assembly further,Driver is made can more clearly to obtain complicated information (so,It is advantageously implemented track to keep and safe distance between vehicles warning light function,Note: due to the problem blocking sight line,The picture size size of display is restricted,It is usually no more than 13 inches,So for slightly complicated images such as maps,Do not see details,Zoom can increase the enlargement ratio of image,Make originally to see that less clear information is apparent from,But the restriction due to picture size,The full detail in LCDs can not be shown.Its essence is also that whole image is amplified, only display magnified partial view picture.Therefore the effect of enlarged drawing picture is in that the content that can be shown by image increases, readily identified detailed local message after amplification).Simultaneously, the image quality that its picture element compensating glass assembly 3 can cause after this zoom eyeglass 21 is changed light path is adjusted, change as the curvature mending eyeglass 31 by rule, image quality is compensated so that the image picture element of vehicle-mounted head-up-display system projection nothing in zooming procedure is decreased obviously when object plane is motionless.And adopt this front compensating glass assembly 4, then the distortion that front windshield on automobile 5 causes can be compensated, it is prevented that distortion occurs in image, improve the image quality of projection picture further.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.

Claims (10)

1. a vehicle-mounted head-up-display system, it is characterised in that including display screen component and three trans optical modules, described three trans optical modules are positioned on the emitting light path of described display screen component, reflexes to the image that display screen component projects on shield glass;Image is reflexed to human eye by described shield glass;
Wherein, described three trans optical modules include the zoom mirror assembly, picture element compensating glass assembly and the front compensating glass assembly that set gradually in light path;
Described zoom mirror assembly includes zooming in or out for the image that display screen component is projected and the zoom eyeglass of light path of turning back and zoom lens curvature adjusting part for described zoom lens curvature is adjusted;
Described picture element compensating glass assembly include for the picture element distortion caused in described zoom lens curvature change procedure is compensated and light path of turning back as mend eyeglass and for described picture mend lens curvature be adjusted as mend lens curvature adjusting part;
The front that described front compensating glass assembly includes for the distortion that front windshield on automobile is caused compensates compensates eyeglass.
2. vehicle-mounted head-up-display system according to claim 1, it is characterised in that described zoom mirror assembly is positioned on the emitting light path of described display screen component;Described picture element compensating glass assembly is positioned on the emitting light path of described zoom mirror assembly;
Described front compensating glass assembly is positioned on the emitting light path of described picture element compensating glass assembly, and its emergent ray projects to described front windshield.
3. want the vehicle-mounted head-up-display system described in 2 according to right, it is characterised in that described zoom lens curvature adjusting part includes zoom electrically-conductive backing plate and the zoom conductive film being attached on described zoom eyeglass;
Forming electric field between described zoom electrically-conductive backing plate and described zoom conductive film, the electrostatic drive power that described zoom eyeglass is subject between electric field downwards or upwards so that described zoom eyeglass is deformed, to regulate the curvature of described zoom eyeglass.
4. want the vehicle-mounted head-up-display system described in 3 according to right, it is characterised in that described zoom eyeglass is between described zoom electrically-conductive backing plate and described zoom conductive film.
5. want the vehicle-mounted head-up-display system described in 4 according to right, it is characterised in that described zoom eyeglass is arranged in a zoom picture frame.
6. want the vehicle-mounted head-up-display system described in 2 according to right, it is characterised in that described picture benefit lens curvature adjusting part includes mending conductive film as benefit electrically-conductive backing plate and the picture being attached on described picture benefit eyeglass;
Described picture benefit electrically-conductive backing plate and described picture are mended and are formed electric field between conductive film, and the electrostatic drive power that eyeglass is subject between electric field downwards or upwards mended by described picture so that described picture is mended eyeglass and is deformed, to regulate the curvature of described picture benefit eyeglass.
7. want the vehicle-mounted head-up-display system described in 6 according to right, it is characterised in that described picture is mended eyeglass and mended between electrically-conductive backing plate and described picture benefit conductive film at described picture.
8. want the vehicle-mounted head-up-display system described in 7 according to right, it is characterised in that described picture is mended eyeglass and is arranged on one as mending in picture frame.
9. want the vehicle-mounted head-up-display system described in 1 according to right, it is characterised in that it includes a transmission display panel and is positioned at the light source assembly of described transmission display panel lower end.
10. want the vehicle-mounted head-up-display system described in 9 according to right, it is characterised in that this light source assembly includes backlight, the collecting lens of some backlights of array distribution and the array distribution corresponding with described backlight in described backlight.
CN201410820395.XA 2014-12-25 2014-12-25 On-board head-up display system Pending CN105785569A (en)

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Application Number Priority Date Filing Date Title
CN201410820395.XA CN105785569A (en) 2014-12-25 2014-12-25 On-board head-up display system
PCT/CN2015/099022 WO2016101920A1 (en) 2014-12-25 2015-12-25 Vehicle and head-up displaying system and projector therefor
JP2017534321A JP6626895B2 (en) 2014-12-25 2015-12-25 Vehicle, head-up display system and projector therefor
US15/536,048 US10338386B2 (en) 2014-12-25 2015-12-25 Vehicle and head-up displaying system and projector therefor
EP15871988.0A EP3237962A4 (en) 2014-12-25 2015-12-25 Vehicle and head-up displaying system and projector therefor

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CN111830717A (en) * 2020-07-28 2020-10-27 上海镭极信息科技有限公司 Head-up display system and device suitable for medium and low resolution
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Application publication date: 20160720