CN207318860U - Naked eye three-dimensional display and head-up-display system - Google Patents

Abstract

The utility model discloses a kind of naked eye three-dimensional display and head-up-display system, naked eye three-dimensional display includes：Liquid crystal grating panel, and it is located at the liquid crystal display panel on liquid crystal grating panel, light diffusing sheet is additionally provided between liquid crystal grating panel and liquid crystal display panel, the dispersal direction of light diffusing sheet is consistent with the orientation of the RGB RGB sub-pixels of liquid crystal display panel, the orientation of the RGB RGB sub-pixels of liquid crystal display panel is the vertical direction orthogonal with horizontal direction, and horizontal direction is the direction parallel with user's sight.Head-up-display system is applied to include on vehicle：Processor, collector and naked eye three-dimensional display, the naked eye three-dimensional display of the utility model embodiment are harassed small, and display picture bigger, head-up-display system is more intelligent, improves travel safety, meets the demand of user.

Description

Naked eye three-dimensional display and head-up-display system

Technical field

It the utility model is related to head-up-display system technical field, and in particular to a kind of naked eye three-dimensional display and new line are aobvious Show system.

Background technology

Information can be launched the front windshield in vehicle by head-up-display system (Head Up Display, abbreviation HUD) On, initially it is used among fighter plane.The information and car external information of vehicle can be obtained due to its convenience and at the same time.From 2000 Year starts to be used among some high-grade automobiles, and now common HUD implementations are all to utilize the anti-of front windshield Penetrate, two dimensional image is projected on the front windshield of vehicle, also there are a kind of HUD realities based on mobile intelligent terminal (such as mobile phone) Mobile phone is placed on automobile oil gauge disk and realizes presentation of information using the reflection of windshield by existing scheme, the program.

But existing HUD implementations imaging (i.e. image space is on front windshield) is all nearer from driver And distance can not change.In this way, when the eyes of driver see the information that HUD is shown, eyes can focus on away from oneself compared with Near place, causes the reaction time for the emergency that far ahead occurs in driver to be extended, jeopardizes traffic safety.

Utility model content

The utility model provides a kind of naked eye three-dimensional display, based on the head-up-display system of naked eye three-dimensional display, It is relatively near and apart from fixation to solve existing head-up-display system image-forming range driver, the problem of jeopardizing traffic safety.

One side according to the present utility model, there is provided a kind of naked eye three-dimensional display, the naked eye three-dimensional display bag Include：Liquid crystal grating panel, and the liquid crystal display panel for being used to show image on liquid crystal grating panel is arranged on,

Light diffusing sheet is additionally provided between liquid crystal grating panel and liquid crystal display panel,

The dispersal direction of light diffusing sheet is consistent with the orientation of the RGB RGB sub-pixels of liquid crystal display panel,

The orientation of the RGB RGB sub-pixels of liquid crystal display panel is the vertical direction orthogonal with horizontal direction,

Horizontal direction is the direction parallel with user's sight.

Alternatively, the display frequency of the RGB RGB sub-pixels of the liquid crystal display panel and phase and the liquid crystal light The frequency of Grid screen is identical with phase.

Alternatively, the transmission region of the liquid crystal grating panel according to predetermined speed default four kinds of operating modes it Between switch in turn.

Other side according to the present utility model, there is provided a kind of head-up-display system, applied on vehicle,

Head-up-display system includes：Processor, collector and the naked eye three-dimensional such as the one side of the utility model are shown Show device,

Naked eye three-dimensional display, is placed under the front windshield of vehicle,

Collector, is placed on the front of the driver of vehicle,

The left eye and the corresponding spatial value of right eye and biology of the driver of the real-time collection vehicle of collector is special Reference ceases,

The processor, is connected with the collector, the naked eye three-dimensional display, to the sky gathered to collector respectively Between positional value and biological information handled, and handling result is sent to naked eye three-dimensional display；

Naked eye three-dimensional display, controls according to the handling result and forms corresponding driver in the front of the driver of vehicle Watch the space image of depth attentively.

Alternatively, the naked eye three-dimensional display is lain on the foreground under the front windshield of the vehicle.

Alternatively, the naked eye three-dimensional display is lain in opposite with the steering wheel of the vehicle one on the foreground Side.

Alternatively, the collector, which is placed on the front of the driver of the vehicle, can gather the pupil information of driver Position, and at a distance of predetermined value between the collector and the virtual image face that is reflected to form by windshield.

Alternatively, collector is infrared camera.

Alternatively, further include：For obtaining the essential information of the vehicle, navigation information and/or dangerous tip information Information acquirer；

The processor, essential information, navigation information and/or the danger of the vehicle obtained to described information getter carry Show that information is handled.

Alternatively, described information getter includes global position system GPS receiver, spacing detection radar, fuel oil sensing Device.

The beneficial effects of the utility model are：The naked eye three-dimensional display of the utility model embodiment, including two liquid crystal Panel, one is the liquid crystal display panel for showing image, the other is the liquid crystal grating panel for producing parallax, and liquid crystal Display panel is arranged on liquid crystal grating panel, further, is set between liquid crystal grating panel and liquid crystal display panel Light diffusing sheet, is specifically designed the dispersal direction of light diffusing sheet, i.e. is designed to the dispersal direction of light diffusing sheet and liquid crystal The orientation of the RGB RGB sub-pixels of display panel is consistent, so as to avoid when liquid crystal grating panel and liquid crystal display When panel parallel installation is used to show, the generation of Moire fringe, improves display image quality.The head-up-display system of the present embodiment by In the naked eye three-dimensional display using the utility model embodiment, and the spatial value of the driver's eyes of collection vehicle in real time And biological information, the corresponding naked eye three-dimensional for showing image is calculated according to the information of the eyes of the driver gathered in real time and is shown Show the positional information on device, and control image to be shown in the corresponding position of naked eye three-dimensional display, so as to basis The movement of eyes of user adjusts Image display position in real time；With reference to the biological information of the driver of collection, in user's sight Front respective depth forms space image, and it is near and jeopardize asking for traffic safety apart from fixation to solve image-forming range in the prior art Topic, shortens the reaction time of driver, improves the security of driving and the satisfaction of user.

Brief description of the drawings

Fig. 1 is the structure diagram of the naked eye three-dimensional display of the utility model one embodiment；

Fig. 2 to Fig. 5 is the schematic diagram of four kinds of operating modes of the naked eye three-dimensional display of the utility model one embodiment；

The schematic side view of the head-up-display system of Fig. 6 the utility model one embodiment；

Fig. 7 is the schematic top plan view of the head-up-display system of the utility model one embodiment；

Fig. 8 is the block diagram of the head-up-display system of the utility model one embodiment.

Embodiment

With the development of Intelligent hardware, HUD has been assigned new requirement, and (user of the present embodiment refers to vehicle to user Driver) wish essential information by HUD not only vehicles such as display speed, oil meter, can also show more information.For Meet this demand, the scope that HUD is shown will bigger.And according to existing projection HUD, if to realize larger display Picture just needs the projector distance of certain length, this is difficult to realize in the vehicle of space very little.For this problem, sheet Embodiment proposes to realize HUD using naked eye three-dimensional Display Technique.

Naked eye three-dimensional Display Technique mainly includes two kinds, and one kind is disparity barrier formula, and the realization principle of this technology is profit The pixel that left eye multi-view image is shown in display was covered with grating and was not seen by right eye, and will show right-eye perspectives image Pixel covered and do not seen by left eye, occur when watching scenery double due to mankind's eyes distance away Eye parallax, after right and left eyes disparity map is transmitted to human brain, human brain synthesizes the two images to obtain the stereopsis of depth information. Another kind is cylindrical lenses formula, and the principle of this technology is to place a piece of column convex lens array over the display, therein one A little convex lenses correspond to the pixel of left eye multi-view image, other convex lenses correspond to the pixel of right-eye perspectives image, utilize this The pixel of left eye multi-view image is refracted to left eye by a little convex lenses respectively, and the pixel of right-eye perspectives image is refracted to right eye, with production The effect of raw stereoscopic vision.The naked eye three-dimensional display of the present embodiment is realized based on disparity barrier formula technology, specifically originally Embodiment provides a kind of naked eye three-dimensional display, and provides the head-up-display system based on this naked eye three-dimensional display, By the way that naked eye three-dimensional display is disposed across on the foreground under the front windshield of vehicle, driven using the reflection of front windshield The person of sailing can see the virtual image of naked eye three-dimensional display in front, recycle the depth letter of the eye gaze of the driver of collection Breath, calculates the display location on naked eye three-dimensional display, and then adjusts space image depth, realizes and launches space image in driver Watch the effect of the corresponding depth in front attentively, it is relatively near apart from driver and jeopardize row apart from fixation to solve existing HUD image spaces The problem of car is safe.

Further, since the distance that driver watches attentively is relatively far away from, the space image of high depth can cause the figure that display is shown As parallax is excessive.This requires used naked eye three-dimensional display harass it is sufficiently small, otherwise be difficult closed in driver's brain Into space image (because driver does not see the information shown by the display of HUD).Moreover, interior space is limited to, projection HUD is difficult to accomplish to show more contents on the display of identical display area, i.e. driver can get letter from display Cease less.So how it is smaller display area display on show that more information is also skilled artisan institute Solve the problems, such as.

The technological means of the solution above-mentioned technical problem used below in conjunction with specific embodiment to the utility model carries out weight Point explanation.

Embodiment one

Here first the structure of naked eye three-dimensional display is illustrated, referring to Fig. 1, the naked eye three-dimensional display of the present embodiment Including：Liquid crystal grating panel 101, and it is arranged on the LCD display for being used to show image on liquid crystal grating panel 101 Plate 102, is additionally provided with light diffusing sheet 103 between liquid crystal grating panel 101 and liquid crystal display panel 102,

Referring to Fig. 1, the dispersal direction of light diffusing sheet 103 should be with the RGB RGB sub-pixels of liquid crystal display panel 102 Orientation is consistent, and the orientations of the RGB RGB sub-pixels of liquid crystal display panel 102 is orthogonal with horizontal direction vertical Direction, horizontal direction here refer to the direction parallel with user's sight.

(orientation arranges RGB for the orientation of the RGB RGB sub-pixels of liquid crystal display panel in the present embodiment The direction of pixel), referring to the vertical direction in Fig. 1 shown in the arrow in left side, different from left, center, right of the prior art arrangement It is the arrangement mode using upper, middle and lower, i.e. red sub-pixel comes, and green sub-pixels come centre, and blue subpixels come Below.That is, arranged along vertical direction.Also, dispersal direction (the propagation side of dispersal direction, that is, light of light diffusing sheet To) referring to shown in the arrow on right side, and vertical direction, the principle of light diffusing sheet are to make light by light diffusing sheet in Fig. 1 Refraction, reflection and scattering constantly occurs during scattering layer in the different medium of two refractive index, optics diffusion is produced with this Effect.In the present embodiment, the effect of light diffusing sheet is to eliminate the periodicity of rgb pixel arrangement on liquid crystal display panel, so that Eliminate Moire.The reason for Moire fringe generates is due to two superimposed with periodic light penetrating panel.Liquid Rgb pixel on LCD panel is a kind of structure of periodic arrangement, and the slit on liquid crystal grating is also periodic arrangement, Just because of with the addition of diffuser plate, also, liquid crystal display image plate is installed on liquid crystal display grating, that is, is placed on liquid crystal light Before Grid screen, the periodicity of the pixel of the liquid crystal grating panel of printing opacity under light diffusing sheet is eliminated, so as to eliminate Moire, and the picture shown on liquid crystal display panel will not be diffused away, i.e., do not influence image quality.From the foregoing, it will be observed that This naked eye three-dimensional display of the present embodiment, first, by using two liquid crystal boards, one is used for showing grating, another For showing image, liquid crystal is that have optical anisotropy and the material of dielectric anisotropy, so grating is in outfields such as electricity, magnetic Under the action of, its optical characteristics can be adjusted so that grating is adjusted in the image that can be shown as needed, and can be right The pixel of liquid crystal display panel is adjusted, and improves display image quality.Secondly as in liquid crystal grating panel and liquid crystal display panel Between light diffusing sheet is set, and the dispersal direction of light diffusing sheet is arranged to the RGB RGB pictures with liquid crystal display panel The orientation of element is consistent, so as on the one hand, can eliminate and be shown liquid crystal grating panel and liquid crystal display panel are overlapping When the interference to image quality of the Moire fringe that occurs, on the other hand, and will not be to the horizontal direction for maintaining stereopsis (i.e. with driving The parallel direction of the person's of sailing sight) light path impact, i.e., do not influence the picture shown on liquid crystal display panel.

In order to guarantee normally to show image, the RGB RGB sub-pixels of liquid crystal grating panel 101 in the present embodiment Display frequency it is identical with the frequency of liquid crystal display panel 102, and phase is identical, i.e., both keep synchronous.Such as liquid crystal light Grid screen and liquid crystal display panel use the liquid crystal board of the 120Hz of same specification or the liquid crystal board using 60Hz.In order to reduce The influence harassed, expands the visual range of space image, the naked eye three-dimensional display of the present embodiment using four time-division of high frequency grating into Row display.

Four time-division of high frequency refers to, the transmission region of liquid crystal grating panel is according to predetermined speed (for example, being according to frequency The a quarter of the frequency of the liquid crystal board of 120Hz, i.e. 30Hz) switch in turn between default four kinds of operating modes.

Referring to Fig. 2 to Fig. 5, default four kinds of operating modes of the present embodiment, wherein, Fig. 2 is operating mode one, and Fig. 3 is Operating mode two, Fig. 4 are operating mode three, and Fig. 5 is operating mode four.

Fig. 2 is into Fig. 5, and 101 represent liquid crystal grating panel, and 102 represent liquid crystal display panel.101 He of liquid crystal grating panel Liquid crystal display panel 102 keeps synchronous, i.e. frequency and phase all same, when the corresponding transmission region (grating of liquid crystal grating panel Layer) printing opacity when, front A, B, the position of C, D is it is seen that corresponding image on liquid crystal display panel.Fig. 2 to Fig. 5 is illustrated Four kinds of operating modes, these four operating modes are rendered in turn with high frequency (such as 30Hz), recycle A, and B area shows LOOK LEFT Image, C, D regions show LOOK RIGHT image.When the eyes of driver are located at A to the region of B area and C to D respectively, so that it may Form stereoscopic vision.

Here, illustrated by taking LOOK LEFT image as an example, LOOK RIGHT image procossing mode is identical.For left view to be rendered Angle image, is divided into 16 sections (can certainly be divided into more or less, not limited to this) by the image, is then existed with time-sharing procedure vertically Rendered respectively on liquid crystal display panel.

Specifically, by taking a-quadrant as an example, B, C, D similarly, are not repeated.Whole image is divided into 16 sections (A1-A16) in advance Totally four groups, the grating linear array phase in adjacent image section is made to differ the position of a raster width, the image that then will be marked off Section is shown at a high speed according to arrangement numeric order, that is, the raster pattern in each group and continuous anaglyph segment sync are shown respectively Show on liquid crystal grating panel and liquid crystal display panel, the right and left eyes anaglyph order of multigroup generation alternately displays at a high speed, profit With the residual visual effect of eyes, beholder is it is seen that high-resolution stereo-picture.So can be by LOOK LEFT image Thrown with full resolution to left eye, expand the visual range of space image, reduction is harassed.

Understand, the three-dimensional monitor of the utility model embodiment, due to liquid crystal display panel and liquid crystal grating panel Frequency it is identical, when the corresponding transmission region of liquid crystal grating panel shines, the relevant position on liquid crystal display panel can be shown Diagram picture, in this way, controlling corresponding transmission region to appear backlight in turn by high frequency, so as to right and left eyes anaglyph, liquid crystal Display panel can show whole image with full resolution, realize and switched using high frequency, timesharing show to make up low screen The problem of picture caused by resolution ratio is shown is unclear, also achieves the more letters of display on the display of identical display area Breath, meets user demand.

Embodiment two

Referring to Fig. 6 to Fig. 8, the head-up-display system of the utility model embodiment is illustrated, head-up-display system 800 Including：Collector 801, processor 802 and naked eye three-dimensional display 10.

When specifically used, naked eye three-dimensional display 10 is placed under the front windshield 20 of vehicle (for example, being horizontally mounted On the foreground under front windshield),

Collector 801, is placed on the front of the driver of vehicle,

Collector 801, the left eye and the corresponding spatial value of right eye of the driver 50 of real-time collection vehicle and Biological information, spatial value and biological information are sent to processor 802, and in the present embodiment, collector is Infrared camera, infrared camera is of low cost, and night visual range is remote, and performance is stablized.

Processor 802, is connected with collector 801 and naked eye three-dimensional display 10, generates first figure at corresponding left eye visual angle Second image of picture and corresponding right-eye perspectives, and according to spatial value, biological information and collector to by front windshield The distance in the virtual image face that glass-reflected is formed calculates the corresponding naked eye three-dimensional display for showing the first image and second image Positional information on 10, the first image, the second image and corresponding positional information are sent to naked eye three-dimensional display 10；

Naked eye three-dimensional display 10, for corresponding the first image of position display and the second figure on naked eye three-dimensional display Picture, to form the space image 40 for the depth that corresponding driver watches attentively in the front of the driver 50 of vehicle.

In one embodiment, referring to Fig. 6, before naked eye three-dimensional display 10 is disposed across under shield glass 20 On platform.Preferably, naked eye three-dimensional display lies in the steering wheel phase with vehicle on the foreground under the front windshield of vehicle To (i.e. close to steering wheel) side.In such manner, it is possible to ensure that depth is corresponded in the front of user's sight forms space image, keeps away Unsafe condition caused by exempting from user's sight movement possibility occurs.And keep flat naked eye three-dimensional display will not be to front windshield glass Object under glass causes to block, and does not influence the road conditions of driver's observation nearby.

After it placed naked eye three-dimensional display, using the reflection of front windshield 20, driver 50 can be preceding It is square, the virtual image (the light propagation road indicated referring to line segment with the arrow of naked eye three-dimensional display is seen at the position in virtual image face 30 Footpath), recycle the naked eye three-dimensional display of the present embodiment to be automatically adjusted according to the biological information of the user of collection and stand The characteristics of body image depth, realize the effect for watching the space image 40 of the corresponding depth formation HUD in front attentively in driver.Here depth Degree refers to the distance between space image (virtual image) and driver current location.Image-forming range driving is avoided in this way Member is nearer, when user's eyes stare at display imaging, it is impossible to which the dangerous situation that concern front may occur in time, extends To the reaction time of unsafe condition, the problem of influencing traffic safety.

In the present embodiment, processor 802 is specifically used for carrying out the first image 301 or the second image 302 framing, and control will 301 or 302 timesharing of image after framing is shown on 10 corresponding position of naked eye three-dimensional display.For example, processor respectively will First image 301 or the second image 302 divide for four frames, and control at a predetermined rate (such as 30Hz) in naked eye three-dimensional display 10 Four two field pictures are rendered on corresponding position in turn.

In the present embodiment, processor 802 calculates the corresponding naked eye three-dimensional for showing the first image 301 by equation below and shows Positional information on device 10：

(x₁+(d+z)tanθ,y₁)

Wherein, x₁, y₁, z is the corresponding spatial value of left eye of collection, and θ is the pupil in the biological information of collection Rotation angle, d are distance of the collector 801 to the virtual image face reflected to form by front windshield 30；

And the position on the corresponding naked eye three-dimensional display 10 for showing the second image 302 is calculated by equation below and is believed Breath：

(x₂-(d+z)tanθ,y₂)

Wherein, x₂, y₂, z is the corresponding spatial value of right eye of collection, and θ is the pupil in the biological information of collection Rotation angle, distance of the d collectors 801 to the virtual image face reflected to form by front windshield 30.It is current that d+z represents driver Position to virtual image face 30 distance.

By the corresponding spatial value of left eye or right eye for gathering driver, and gather the pupil rotation of left eye or right eye Angle, can obtain the anterior position information of eyes of user focusing, for example, at 1 meter of the vehicle front of driver's current fixation An object at one object, or 7 meters of the vehicle front of current fixation, is then based on the space of driver gathered in real time Position coordinate value, pupil rotation angle, and collector to the virtual image face reflected to form by front windshield distance (one often Measure), the corresponding naked eye three-dimensional display position for showing the first image is calculated in real time and puts coordinate, and is corresponded to and shown the second image Position coordinates on naked eye three-dimensional display.After calculating corresponding position coordinates, you can control is sat in the corresponding position Image is rendered at mark, so that respective depth forms space image in front of driver, avoids in the prior art to fix image and throws Shadow caused image-forming range on front windshield is near, when being in an emergency at a distance, extends the reaction time of driver The problem of jeopardizing traffic safety, it also avoid eye caused by driver is adjusted between the road in an observation distant place and instrument nearby Eyeball fatigue.

That is, compared with prior art in projection HUD and mobile phone HUD, the head-up-display system of the present embodiment, which can shorten, to be driven The person of sailing handles the dangerous reaction time, travel safety is improved, moreover, visual range bigger, can show more information, have Beneficial to the intelligence of HUD.

Here collector can be infrared camera.Here the position where space coordinates using infrared camera as Origin, using the direction parallel with driver's right and left eyes line as x-axis direction, with driver closer or far from front windshield The parallel direction in direction is z-axis direction, and using above-below direction as y-axis direction.

In one embodiment, which further includes：Information acquirer, for obtaining the basic of vehicle Information (e.g., the travel speed of automobile, current oil mass), navigation information, and/or dangerous tip information at 3 meters of front (for example, go out The prompt messages such as existing people)；Processor 802 is specifically used for the essential information of generation instruction vehicle, and navigation information and/or danger carry Show the first image and the second image of information.Here information acquirer includes global position system GPS receiver, spacing detection Radar, fuel sensor.But not limited to this, it can be configured according to demand in practical application.

When it is implemented, GPS (global positioning system, Global are installed by taking the acquisition of navigation information as an example, on vehicle Positioning System), the distance between GPS receivers on satellite to vehicle by measuring known location, so The data for integrating multi-satellite afterwards just may know that the specific location of GPS receiver, and real-time collection is mounted with to the car of GPS receiver Position coordinates, be sent to processor, processor is subsequently shown using information generation image.

Embodiment three

The utility model embodiment additionally provides a kind of implementation method of head-up-display system, including：

Using the collector being placed in front of the driver of vehicle, the left eye and right eye point of the driver of real-time collection vehicle Not corresponding spatial value and biological information, spatial value and biological information are sent to processor；

Using processor, generate first image at corresponding left eye visual angle and correspond to the second image of right-eye perspectives, and according to The distance in spatial value, biological information and collector to the virtual image face reflected to form by front windshield, which calculates, to be corresponded to The positional information on the naked eye three-dimensional display of the first image and the second image is shown, by the first image, the second image and correspondence Positional information send to naked eye three-dimensional display；Wherein, naked eye three-dimensional display is placed under the front windshield of vehicle,

Using naked eye three-dimensional display, the first image, the second image and corresponding positional information are received, and in the bore hole three Corresponding the first image of position display and the second image on display are tieed up, to form corresponding driving in the front of the driver of vehicle The space image for watching depth attentively of member.

In one embodiment, using processor by described first image, the second image and corresponding positional information send to Naked eye three-dimensional display includes:

Framing is carried out to the first image and second image using processor, is controlled corresponding image timesharing after framing It is shown on the corresponding position of naked eye three-dimensional display.

In one embodiment, this method is specifically included using processor respectively by described first image or second image It is divided into four frames, and controls and render four two field pictures in turn on the corresponding position of the naked eye three-dimensional display at a predetermined rate.

The implementation method of head-up-display system further includes in one embodiment：The essential information of the vehicle is obtained, is navigated Information and/or dangerous tip information, the essential information of instruction vehicle, navigation information and/or dangerous tip are generated using processor The first image and the second image of information.

Specifically, processor is calculated on the corresponding naked eye three-dimensional display for showing described first image by equation below Positional information：

(x₁+(d+z)tanθ,y₁)

Wherein, x₁, y₁, z is the corresponding spatial value of left eye of collection, and the θ is in the biological information of collection Pupil rotation angle, d are distance of the collector to the virtual image face reflected to form by front windshield；

And the position on the corresponding naked eye three-dimensional display for showing second image is calculated by equation below and is believed Breath：

(x₂-(d+z)tanθ,y₂)

Wherein, x₂, y₂, z is the corresponding spatial value of right eye of collection, and the θ is in the biological information of collection Pupil rotation angle, the distance of d collectors to the virtual image face reflected to form by front windshield.

It should be noted that the step of implementation method of the head-up-display system of the present embodiment, is and the foregoing display system that comes back The course of work of system is corresponding, and therefore, more details can be found in preceding description, be not repeated herein.

In summary, the naked eye three-dimensional display of the present embodiment, the scope bigger of display, image quality is apparent, the present embodiment Head-up-display system and its implementation, by gathering locus and the eye focus of driver in real time, and in driver The imaging of front respective depth, shorten driver and handle the dangerous reaction time, improve security during driving, improve User experience, enhances the competitiveness of product in market.

The above, is only specific embodiment of the present utility model, under the above-mentioned teaching of the utility model, this area Technical staff can carry out other improvement or deformation on the basis of above-described embodiment.It will be understood by those skilled in the art that Above-mentioned specific descriptions simply preferably explain the purpose of this utility model, and the scope of protection of the utility model is with claim Subject to protection domain.

Claims (10)

1. a kind of naked eye three-dimensional display, it is characterised in that the naked eye three-dimensional display includes：Liquid crystal grating panel, and The liquid crystal display panel for being used to show image being arranged on the liquid crystal grating panel,

Light diffusing sheet is additionally provided between the liquid crystal grating panel and the liquid crystal display panel,

The dispersal direction of the light diffusing sheet is consistent with the orientation of the RGB RGB sub-pixels of the liquid crystal display panel,

The orientation of the RGB RGB sub-pixels of the liquid crystal display panel is the vertical direction orthogonal with horizontal direction,

The horizontal direction is the direction parallel with user's sight.

2. naked eye three-dimensional display according to claim 1, it is characterised in that the RGB of the liquid crystal display panel The display frequency and phase of RGB sub-pixels are identical with the frequency and phase of the liquid crystal grating panel.

3. naked eye three-dimensional display according to claim 2, it is characterised in that the transmission region of the liquid crystal grating panel Switch in turn between default four kinds of operating modes according to predetermined speed.

A kind of 4. head-up-display system, applied on vehicle, it is characterised in that

The head-up-display system includes：Processor, collector and the naked eye three-dimensional as described in claim 1-3 is any are shown Device,

The naked eye three-dimensional display, is placed under the front windshield of the vehicle,

The collector, is placed on the front of the driver of the vehicle,

The collector, gathers left eye and the corresponding spatial value of right eye and the life of the driver of the vehicle in real time Thing characteristic information,

The processor, is connected with the collector, the naked eye three-dimensional display respectively, to the space of collector collection Positional value and biological information are handled, and handling result is sent to naked eye three-dimensional display；

The naked eye three-dimensional display, according to the handling result, controls and forms correspondence in the front of the driver of the vehicle Driver watches the space image of depth attentively.

5. head-up-display system according to claim 4, it is characterised in that the naked eye three-dimensional display lies in described On foreground under the front windshield of vehicle.

6. head-up-display system according to claim 5, it is characterised in that the naked eye three-dimensional display lies in described The side opposite with the steering wheel of the vehicle on foreground.

7. head-up-display system according to claim 4, it is characterised in that the collector is placed on driving for the vehicle The front for the person of sailing can gather the position of the pupil information of driver, and the collector and the void that is reflected to form by windshield At a distance of predetermined value between image planes.

8. head-up-display system according to claim 7, it is characterised in that collector is infrared camera.

9. head-up-display system according to claim 4, it is characterised in that further include：For obtaining the base of the vehicle The information acquirer of this information, navigation information and/or dangerous tip information；

The processor, essential information, navigation information and/or the dangerous tip information of the vehicle obtained to described information getter Handled.

10. head-up-display system according to claim 9, it is characterised in that described information getter includes global location System GPS receiver, spacing detection radar, fuel sensor.