CN207216154U - A kind of head-up-display system based on fiber waveguide - Google Patents
A kind of head-up-display system based on fiber waveguide Download PDFInfo
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- CN207216154U CN207216154U CN201721249698.6U CN201721249698U CN207216154U CN 207216154 U CN207216154 U CN 207216154U CN 201721249698 U CN201721249698 U CN 201721249698U CN 207216154 U CN207216154 U CN 207216154U
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Abstract
The utility model discloses a kind of head-up-display system based on fiber waveguide, including：The output of described image generation unit is optically coupled into the fiber waveguide by fiber waveguide, image generation unit, described image generation unit by a fiber waveguide input coupling end.Head-up-display system volume size of the utility model based on fiber waveguide is compact, is advantageous to efficiently utilize automobile installing space.In addition, fiber waveguide coordinates with image generation unit, by modularized design, product versatility is improved.
Description
Technical field
It the utility model is related to vehicle-mounted new line display field, more particularly to a kind of head-up-display system based on fiber waveguide.
Background technology
At present, driver passes through HUD (HUD, Head Up when driving by information such as speed, navigation
Display), the virtual image is formed in front of pilot's line of vision, and driver does not have to bow easily check information of vehicles, is advantageous to
Safety traffic.
On the one hand the HUD of existing synthesizer type watches pavement behavior by half-reflection and half-transmission mirror imager through speculum,
One side projection image source reflects through speculum, into human eye area.The image source that speculum is reflected is generally LCD display
An or image planes of DLP projections.
According to imaging requirements, for general synthesizer type HUD as shown in figure 1, wherein 1 is image source, 2 be that half-reflection and half-transmission reflects
Mirror, 3 be HUD bases, 4 be institute into the virtual image, 5 be people's eye viewing location, and 6 be Auto Instrument desk.It is anti-that image source 1 is located at half-reflection and half-transmission
Mirror 2 is penetrated close to driver side to side, and image source 1 in speculum 2 apart from typically needing more than 110mm, with project a certain size,
The virtual image of distance.Therefore, this HUD fore-and-aft directions need large-size.On the other hand, image source is located at speculum close to driving
Member side, and Auto Instrument desk is frequently not flat, close to driver side height, when HUD is installed on Auto Instrument desk, image
There is certain altitude in source, easily blocks sight.
Utility model content
The technical problems to be solved in the utility model be to provide it is a kind of reduce HUD volumes while avoid blocking driver regard
The head-up-display system based on fiber waveguide of line.
Solves above-mentioned technical problem, the utility model, which provides a kind of head-up-display system based on fiber waveguide, to be included：Light
Waveguide, image generation unit, described image generation unit is by a fiber waveguide input coupling end by described image generation unit
Output is optically coupled into the fiber waveguide.At fiber waveguide input coupling end, after fiber waveguide internal transmission, into driver's eye
In eye box region near eyeball.In eye box region, driver watches projected new line display picture by fiber waveguide screen.
Fiber waveguide screen can be watched without deformation, the road surface field lens without scaling without focal power, driver by fiber waveguide screen.
Further, described image generation unit includes：One micro display screen and a projection lens, the projection lens are used
Will match after the image procossing of the micro display screen with fiber waveguide input coupling end.
Further, the micro display screen is：Any display device in LCOS, DLP, LCD, OLED.
Further, the projection lens is：Sphere, aspherical, the one or more combinations of free form surface face type.
Further, described image generation unit is located at the outside of the fiber waveguide, away from driver side, is advantageous to press
Contracting HUD fore-and-aft direction sizes, reduce volume；When being installed on Auto Instrument desk simultaneously, space utilization is more beneficial for, avoids sight
Block.
Further, described image generation unit is located on the inside of fiber waveguide, close to driver side.
Further, described image generation unit projected image and entrance fiber waveguide input coupling end,
Described image generation unit is set in the horizontal direction, positioned at the side of the fiber waveguide.Fiber waveguide (module) and figure
As generation unit cooperation, pass through modularized design, improve product versatility.
Further, head-up-display system also includes：To control the function of micro display screen display content and display picture
Module.
Further, the fiber waveguide screen approximation of the fiber waveguide is without focal power, and human pilot is through fiber waveguide viewing road surface
Information.
Further, described image generation unit, projected image input is entered into fiber waveguide input coupling end, through institute
Inner full-reflection, the reflection of fiber waveguide are stated, enters pleasing to the eye box region.
Further, the HUD that the fiber waveguide is projected by fiber waveguide screen thereon to described image generation unit is drawn
Face is imaged in front of driver.
The beneficial effects of the utility model：
The head-up-display system based on fiber waveguide in the utility model, be on the one hand advantageous to compress HUD fore-and-aft direction chis
It is very little, reduce volume.When one side HUD is installed on Auto Instrument desk, space utilization is more beneficial for, avoids sight from blocking.In addition,
Fiber waveguide (module) coordinates with image generation unit, by modularized design, improves product versatility.
Brief description of the drawings
Fig. 1 is the HUD structures and light path schematic diagram of synthesizer type of the prior art；
Fig. 2 is the head-up-display system structural representation based on fiber waveguide in the embodiment of the utility model one；
Fig. 3 is the head-up-display system structural representation based on fiber waveguide in another embodiment of the utility model；
Fig. 4 is the head-up-display system structural representation based on fiber waveguide in the utility model another embodiment.
Embodiment
The principle of the disclosure is described referring now to some example embodiments.It is appreciated that these embodiments are merely for saying
It is bright and help it will be understood by those skilled in the art that with the purpose of the embodiment disclosure and describe, rather than suggest the model to the disclosure
Any restrictions enclosed.Content of this disclosure described here can in a manner of described below outside various modes implement.
As described herein, term " comprising " and its various variants are construed as open-ended term, it means that " bag
Include but be not limited to ".Term "based" is construed as " being based at least partially on ".Term " one embodiment " it is understood that
For " at least one embodiment ".Term " another embodiment " is construed as " at least one other embodiment ".
Refer to Fig. 2 is the head-up-display system structural representation based on fiber waveguide in the embodiment of the utility model one,
A kind of head-up-display system based on fiber waveguide in the present embodiment, including：Fiber waveguide 100, image generation unit 200, it is described
The output of described image generation unit 200 is optically coupled into institute by image generation unit 200 by a fiber waveguide input coupling end 300
State in fiber waveguide 100.As preferred in the present embodiment, described image generation unit 200 includes：One micro display screen 2001 and
One projection lens 2002, the projection lens 2002 to will after the image procossing of the micro display screen 2001 with fiber waveguide input
Coupled end 300 matches.Paths path is：The image shown on the micro display screen 2001, through projection lens 2002,
Into fiber waveguide input coupling end 300, after the internal transmission by fiber waveguide 100, into the Yan He areas near driver's eyes
500 in domain.500 in eye box region, driver watches projected HUD pictures by fiber waveguide screen.Simultaneously as light wave
Leading screen can be watched without deformation, the road surface field lens without scaling without focal power, driver by fiber waveguide screen.So that HUD volume chis
It is very little compact, be advantageous to efficiently utilize automobile installing space.In certain embodiments, described image generation unit 200 is positioned at described
The outside of fiber waveguide, away from driver side.Projected image enters input coupling end, through being totally reflected for several times inside fiber waveguide, instead
Penetrate, enter pleasing to the eye box region.
The fiber waveguide input coupling end 300 is used to the output of image generation unit being optically coupled into fiber waveguide, makes to show
Show that image light transmits in fiber waveguide.Fiber waveguide exports display image light to eye box region, is formed and is watched for driver
The virtual image.
As preferred in the present embodiment, the micro display screen is：Any display device in LCOS, DLP, LCD,
The projection lens is：Sphere, aspherical, the one or more combinations of free form surface face type.Due to image generation unit 200 by
Micro display screen 2001 and projection lens 2002 form, and micro display screen includes but is not limited to, the display device such as LCOS, DLP, LCD, with
And necessary backlighting portion.Projection lens is amplified to micro display screen, projected, with fiber waveguide input coupling end phase
Match somebody with somebody.Mode, the specific face types such as projection lens specific implementation is refraction, reflection, total reflection include but is not limited to, sphere, non-
Sphere, free form surface combination are realized.
As preferred in the present embodiment, also include in the head-up-display system based on fiber waveguide：It is micro- to control
The functional module 400 of display screen display content and display picture, the functional module 400 generally comprise communication, control, light sensation,
The submodules such as storage, control micro display screen display content and display picture.
Fig. 3 is refer to, as preferred in the present embodiment, a kind of new line based on fiber waveguide in the present embodiment is shown
System, including：Fiber waveguide 100, image generation unit 200, described image generation unit 200 pass through a fiber waveguide input coupling end
300 are optically coupled into the output of described image generation unit 200 in the fiber waveguide 100.Described image generation unit 200 is located at
The inner side of fiber waveguide 100, close to driver side.Projected image enters input coupling end, through being totally reflected for several times inside fiber waveguide, instead
Penetrate, enter pleasing to the eye box region.
Fig. 4 is refer to, as preferred in the present embodiment, a kind of new line based on fiber waveguide in the present embodiment is shown
System, including：Fiber waveguide 100, image generation unit 200, described image generation unit 200 pass through a fiber waveguide input coupling end
300 are optically coupled into the output of described image generation unit 200 in the fiber waveguide 100, and described image generation unit 200 projects
Image projects images simultaneously enter fiber waveguide input coupling end, and described image generation unit 200 is set in the horizontal direction, positioned at described
The side of fiber waveguide.On the one hand the present embodiment is advantageous to compress HUD fore-and-aft direction sizes, reduce volume, still further aspect HUD peaces
During loaded on Auto Instrument desk, space utilization is more beneficial for, avoids sight from blocking.In addition, fiber waveguide (module) generates with image
Unit matching, by modularized design, improve product versatility.
It should be appreciated that each several part of the present utility model can be realized with hardware, software, firmware or combinations thereof.
In above-mentioned embodiment, what multiple steps or method can be performed in memory and by suitable instruction execution system with storage
Software or firmware are realized.If, and in another embodiment, can be with known in this field for example, realized with hardware
Any one of following technology or their combination realize：With the gate for realizing logic function to data-signal
The discrete logic of circuit, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA),
Field programmable gate array (FPGA) etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.
In general, the various embodiments of the disclosure can be with hardware or special circuit, software, logic or its any combination
Implement.Some aspects can be implemented with hardware, and some other aspect can be with firmware or software implementation, and the firmware or software can
With by controller, microprocessor or other computing devices.Although the various aspects of the disclosure be shown and described as block diagram,
Flow chart is represented using some other drawing, but it is understood that frame described herein, equipment, system, techniques or methods can
With in a non limiting manner with hardware, software, firmware, special circuit or logic, common hardware or controller or other calculating
Equipment or some combinations are implemented.
Although in addition, operation is described with particular order, this is understood not to require this generic operation with shown suitable
Sequence is performed or performed with generic sequence, or requires that all shown operations are performed to realize expected result.In some feelings
Under shape, multitask or parallel processing can be favourable.Similarly, begged for although the details of some specific implementations is superincumbent
By comprising but these are not necessarily to be construed as any restrictions to the scope of the present disclosure, but the description of feature is only pin in
To specific embodiment.Some features described in some embodiments of separation can also be held in combination in single embodiment
OK.Mutually oppose, the various features described in single embodiment can also in various embodiments be implemented separately or to appoint
The mode of what suitable sub-portfolio is implemented.
Claims (10)
- A kind of 1. head-up-display system based on fiber waveguide, it is characterised in that including：Fiber waveguide, image generation unit,The output of described image generation unit is optically coupled into institute by described image generation unit by a fiber waveguide input coupling end State in fiber waveguide.
- 2. head-up-display system according to claim 1, it is characterised in that described image generation unit includes：One is micro- aobvious Display screen and a projection lens, the projection lens to by after the image procossing of the micro display screen with fiber waveguide input coupling End matches.
- 3. head-up-display system according to claim 2, it is characterised in that the micro display screen is：LCOS、DLP、LCD、 Any display device in OLED.
- 4. head-up-display system according to claim 2, it is characterised in that the projection lens is：Sphere, it is aspherical, The face type of the one or more combinations of free form surface.
- 5. head-up-display system according to claim 1, it is characterised in that described image generation unit is located at the light wave The outside led, away from driver side.
- 6. head-up-display system according to claim 1, it is characterised in that described image generation unit is located in fiber waveguide Side, close to driver side.
- 7. head-up-display system according to claim 1, it is characterised in that described image generation unit projected Image simultaneously enters fiber waveguide input coupling end,Described image generation unit is set in the horizontal direction, positioned at the side of the fiber waveguide.
- 8. head-up-display system according to claim 1, it is characterised in that the fiber waveguide screen in the fiber waveguide is approximate In the display screen without focal power.
- 9. head-up-display system according to claim 1, it is characterised in that described image generation unit, that will project Image input enters fiber waveguide input coupling end, the inner full-reflection through the fiber waveguide, reflection, enters pleasing to the eye box region.
- 10. head-up-display system according to claim 1, it is characterised in that the fiber waveguide passes through fiber waveguide thereon Shield the HUD pictures for projecting described image generation unit to image in front of driver.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721249698.6U CN207216154U (en) | 2017-09-27 | 2017-09-27 | A kind of head-up-display system based on fiber waveguide |
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| CN201721249698.6U CN207216154U (en) | 2017-09-27 | 2017-09-27 | A kind of head-up-display system based on fiber waveguide |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114265138A (en) * | 2021-12-16 | 2022-04-01 | 江西凤凰光学科技有限公司 | Diffraction light waveguide device capable of eliminating rainbow effect |
| WO2023010743A1 (en) * | 2021-08-05 | 2023-02-09 | 苏州苏大维格科技集团股份有限公司 | Augmented reality head-up display apparatus, vehicle, and optical waveguide preparation method |
-
2017
- 2017-09-27 CN CN201721249698.6U patent/CN207216154U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023010743A1 (en) * | 2021-08-05 | 2023-02-09 | 苏州苏大维格科技集团股份有限公司 | Augmented reality head-up display apparatus, vehicle, and optical waveguide preparation method |
| CN114265138A (en) * | 2021-12-16 | 2022-04-01 | 江西凤凰光学科技有限公司 | Diffraction light waveguide device capable of eliminating rainbow effect |
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Address after: 215000 4th floor, building 14, Tengfei Innovation Park, 388 Xinping street, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee after: Suzhou turnip Electronic Technology Co.,Ltd. Address before: 215123 unit 4-b202, creative industry park, 328 Xinghu street, Suzhou Industrial Park, Jiangsu Province Patentee before: SUZHOU CARROBOT AUTOMOTIVE ELECTRONICS TECHNOLOGY Co.,Ltd. |