CN109991738A - Vehicle-mounted head-up-display system - Google Patents
Vehicle-mounted head-up-display system Download PDFInfo
- Publication number
- CN109991738A CN109991738A CN201711478299.1A CN201711478299A CN109991738A CN 109991738 A CN109991738 A CN 109991738A CN 201711478299 A CN201711478299 A CN 201711478299A CN 109991738 A CN109991738 A CN 109991738A
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- CN
- China
- Prior art keywords
- eyeglass
- vehicle
- display system
- display
- mounted head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000003287 optical effect Effects 0.000 claims abstract description 34
- 239000010409 thin film Substances 0.000 claims abstract description 22
- 239000012788 optical film Substances 0.000 claims abstract description 4
- 239000010408 film Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 230000002269 spontaneous effect Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 241000127225 Enceliopsis nudicaulis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Instrument Panels (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention provides a kind of vehicle-mounted head-up-display systems, optical waveguide including display and the light wave issued for guidance display, optical waveguide includes a guided wave piece, and guided wave piece has an output face and an input face, the multilayer optical film for absorbing or reflecting far red light is provided in output face.Compared with prior art, the vehicle-mounted head-up-display system of the present invention is by being arranged optical thin film in the output face of waveguide piece, with the higher far red light of energy in absorption or reflected sunlight, not only it ensure that the light transmission of head-up-display system, but also display can be effectively prevented from and burnt under the irradiation of sunlight or spontaneous combustion.
Description
Technical field
The invention belongs to vehicle electronic device fields, are to be related to a kind of vehicle-mounted head-up-display system more specifically.
Background technique
Head up display is a kind of novel on-vehicle display technology, while being also a kind of enhancing display technology, can directly be allowed
In the real scene that information superposition is seen to driver, driver is allowed not have to the disk that watches the instruments of bowing during driving, from
And promote the safety driven.Traditional cockpit display is generally understood that lower display, including console, instrument board etc..
These displays require to allow driver to bow and watch attentively just see information clearly over the display.Head up display is as a kind of nothing
While head pose need to be changed, information can be transmitted to driver.A kind of existing windshield reflective waveguide type comes back
Display system can provide bigbore exit window, to allow to see display clearly while driver is movable in a certain range
Information.Since head-up-display system is rest directly upon under windshield, exports directly facing sky, crossed in garage
Cheng Zhong inevitably has very maximum probability and allows sun light direct beam head-up-display system.The received sunlight of bigger exit window
It is more.Sunray converges on display by projection lens at this time, is easy to make display surface to burn failure, if for a long time
It is exposed under strong sunlight, it could even be possible to will appear the possibility of spontaneous combustion.
Summary of the invention
The purpose of the present invention is to provide a kind of vehicle-mounted head-up-display systems, are shown with solving existing in the prior art come back
Show that system there is technical issues that damage display under sunlight irradiation.
To achieve the above object, the technical solution adopted by the present invention is that: provide a kind of vehicle-mounted head-up-display system, including aobvious
Show that the optical waveguide of device and the light wave for guiding the display to issue, the optical waveguide include a guided wave piece, the guided wave piece
With an output face and an input face, the multilayer optical being provided in the output face for absorbing or reflecting far red light is thin
Film.
Further, optical thin film described in multilayer is nanoscale optics film.
Further, the number of plies range for the optical thin film being provided in the output face is 10 to 30 layers.
Further, the optical waveguide further includes the first eyeglass, the second eyeglass and reflecting mirror；The first eyeglass setting exists
Between second eyeglass and the display, the reflecting mirror is arranged between the guided wave piece and second eyeglass.
Further, the reflecting mirror is plane mirror, the central axes of the central axes of the reflecting mirror and second eyeglass
It is arranged in 45 degree.
Further, first eyeglass and second eyeglass are all convex lens, the central axes of first eyeglass with
The central axes of second eyeglass are located along the same line, and the central axes of the central axes of the guided wave piece and second eyeglass are hung down
Straight setting.
Further, the input face of the guided wave piece is provided with optical thin film described in multilayer.
Further, the reflecting mirror has a reflecting surface, is provided with optical thin film described in multilayer on the reflecting surface.
Further, first eyeglass and second eyeglass all have a spherical surface and a plane, on each spherical surface
It is provided with optical thin film described in multilayer.
Further, the cross section that the guided wave piece is is circle, and the diameter of the guided wave piece is 340mm-360mm.
The beneficial effect of vehicle-mounted head-up-display system provided by the invention is: compared with prior art, the present invention is vehicle-mounted
Head-up-display system is higher with energy in absorption or reflected sunlight by the way that optical thin film is arranged in the output face of waveguide piece
Far red light not only ensure that the light transmission of head-up-display system, but also can be effectively prevented from display in the irradiation of sunlight
It is lower to be burnt or spontaneous combustion.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the schematic diagram of vehicle-mounted head-up-display system provided in an embodiment of the present invention.
Wherein, each appended drawing reference in figure:
1- display；2- optical waveguide；21- guided wave piece；211- input face；212- output face；The first eyeglass of 22-；23- second
Eyeglass；24- reflecting mirror；241- reflecting surface；3- optical thin film.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Referring to Fig. 1, existing be illustrated vehicle-mounted head-up-display system provided by the invention.The vehicle-mounted new line display system
It is simultaneously projected to the optical waveguide on the windshield of automobile by system, the light wave issued including display 1 and for guidance display 1
2, optical waveguide 2 includes guided wave piece 21, and guided wave piece 21 has an input face 211 and output face 212, the output face 212 of guided wave piece 21
On be provided with multilayer optical film 3 for absorbing or reflecting far red light.
Vehicle-mounted head-up-display system provided by the invention, the vehicle-mounted head-up-display system of the present invention pass through the output in waveguide piece
Optical thin film 3 is set on face 212, with the higher far red light of energy in absorption or reflected sunlight, both ensure that new line display
The light transmission of system, and display 1 can be effectively prevented from and burnt under the irradiation of sunlight or spontaneous combustion.
Further, referring to Fig. 1, a kind of specific embodiment party as vehicle-mounted head-up-display system provided by the invention
Formula, optical waveguide 2 further include the first eyeglass 22, the second eyeglass 23 and reflecting mirror 24；First eyeglass 22 is arranged in 23 He of the second eyeglass
Between display 1, the first eyeglass 22 and it is located along the same line with the central axes of the second eyeglass 23；Reflecting mirror 24 is arranged second
Between eyeglass 23 and guided wave piece 21, the central axes of the central axes of reflecting mirror 24 and the second eyeglass 23 are arranged in 45 degree of angles；Guided wave piece
21 are arranged above reflecting plate, and the central axes of guided wave piece 21 are vertical with the central axes of the second eyeglass 23.The light that display 1 issues
It is gathered on reflecting plate by the refraction of the first eyeglass 22 and the second eyeglass 23, then guided wave piece 21 is entered by baffle reflection, most
It is projected on the windshield of automobile afterwards and forms image.
Further, referring to Fig. 1, a kind of specific embodiment party as vehicle-mounted head-up-display system provided by the invention
Formula is provided with 28 layers of optical thin film 3 in the output face 212 of guided wave piece 21, and optical thin film 3 is nanoscale optics film 3, by setting
High-energy far red light in sunlight can be effectively absorbed by setting multilayer optical film 3, play the role of protecting display 1.Separately
It outside, can also be in the anti-of the first eyeglass 22, the second eyeglass 23 or reflecting mirror 24 in addition to optical thin film 3 is arranged on guided wave piece 21
Setting optical thin film 3 on face 241 is penetrated, can equally play the role of absorption or reflection far red light to protect display 1.
Further, referring to Fig. 1, a kind of specific embodiment party as vehicle-mounted head-up-display system provided by the invention
Formula, the first eyeglass 22 and the second eyeglass 23 are all that convex lens, the first eyeglass 22 and the second eyeglass 23 and the second eyeglass 23 all have
Optical thin film 3 can be arranged in one spherical surface and a plane on spherical surface, optical thin film 3 can also be arranged in the plane, or in spherical surface
With optical thin film 3 is set simultaneously in plane.
Further, referring to Fig. 1, a kind of specific embodiment party as vehicle-mounted head-up-display system provided by the invention
Formula, the cross section of guided wave piece 21 are circle, and the diameter of guided wave piece 21 is 340mm-360mm.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of vehicle-mounted head-up-display system, it is characterised in that: the light including display and for guiding the display to issue
The optical waveguide of wave, the optical waveguide include a guided wave piece, and the guided wave piece has an output face and an input face, the output face
On be provided with multilayer optical film for absorbing or reflecting far red light.
2. vehicle-mounted head-up-display system as described in claim 1, it is characterised in that: optical thin film described in multilayer is nanoscale
Optical thin film.
3. vehicle-mounted head-up-display system as claimed in claim 2, it is characterised in that: be provided with the optics in the output face
The number of plies range of film is 10 to 30 layers.
4. vehicle-mounted head-up-display system as described in any one of claims 1 to 3, it is characterised in that: the optical waveguide further includes
First eyeglass, the second eyeglass and reflecting mirror；First eyeglass is arranged between second eyeglass and the display, described
Reflecting mirror is arranged between the guided wave piece and second eyeglass.
5. vehicle-mounted head-up-display system as claimed in claim 4, it is characterised in that: the reflecting mirror is plane mirror, described anti-
The central axes of mirror and the central axes of second eyeglass are penetrated in 45 degree of settings.
6. vehicle-mounted head-up-display system as claimed in claim 5, it is characterised in that: first eyeglass and second eyeglass
It is all convex lens, the central axes of first eyeglass and the central axes of second eyeglass are located along the same line, the guided wave
The central axes of piece and the central axes of second eyeglass are vertically arranged.
7. vehicle-mounted head-up-display system as claimed in claim 4, it is characterised in that: the input face of the guided wave piece is arranged
There is optical thin film described in multilayer.
8. vehicle-mounted head-up-display system as claimed in claim 4, it is characterised in that: the reflecting mirror has a reflecting surface, institute
It states and is provided with optical thin film described in multilayer on reflecting surface.
9. vehicle-mounted head-up-display system as claimed in claim 4, it is characterised in that: first eyeglass and second eyeglass
A spherical surface and a plane are all had, is provided with optical thin film described in multilayer on each spherical surface.
10. vehicle-mounted head-up-display system as claimed in claim 4, it is characterised in that: the cross section that the guided wave piece is is round
Shape, the diameter of the guided wave piece are 340mm-360mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478299.1A CN109991738B (en) | 2017-12-29 | 2017-12-29 | Vehicle-mounted head-up display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478299.1A CN109991738B (en) | 2017-12-29 | 2017-12-29 | Vehicle-mounted head-up display system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109991738A true CN109991738A (en) | 2019-07-09 |
| CN109991738B CN109991738B (en) | 2024-06-14 |
Family
ID=67108884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711478299.1A Active CN109991738B (en) | 2017-12-29 | 2017-12-29 | Vehicle-mounted head-up display system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109991738B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61184132A (en) * | 1985-02-13 | 1986-08-16 | Toyota Motor Corp | Protecting device for meter displaying element |
| JP2004347633A (en) * | 2003-05-20 | 2004-12-09 | Nippon Seiki Co Ltd | Head-up display device |
| US20120224062A1 (en) * | 2009-08-07 | 2012-09-06 | Light Blue Optics Ltd | Head up displays |
| JP2013174855A (en) * | 2012-01-24 | 2013-09-05 | Nippon Seiki Co Ltd | Head-up display device |
| CN103620478A (en) * | 2011-04-18 | 2014-03-05 | Bae系统公共有限公司 | A projection display |
| CN104126143A (en) * | 2012-02-15 | 2014-10-29 | 谷歌公司 | Heads-up display including eye tracking |
| JP2017009855A (en) * | 2015-06-24 | 2017-01-12 | デクセリアルズ株式会社 | Head-up display device |
| KR101762063B1 (en) * | 2016-01-26 | 2017-07-28 | 한양대학교 산학협력단 | Head-Up Display Device |
| CN107430279A (en) * | 2015-03-18 | 2017-12-01 | 卡尔蔡斯耶拿有限公司 | Data projection system |
| CN207833114U (en) * | 2017-12-29 | 2018-09-07 | 深圳点石创新科技有限公司 | Vehicle-mounted head-up-display system |
-
2017
- 2017-12-29 CN CN201711478299.1A patent/CN109991738B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61184132A (en) * | 1985-02-13 | 1986-08-16 | Toyota Motor Corp | Protecting device for meter displaying element |
| JP2004347633A (en) * | 2003-05-20 | 2004-12-09 | Nippon Seiki Co Ltd | Head-up display device |
| US20120224062A1 (en) * | 2009-08-07 | 2012-09-06 | Light Blue Optics Ltd | Head up displays |
| CN103620478A (en) * | 2011-04-18 | 2014-03-05 | Bae系统公共有限公司 | A projection display |
| JP2013174855A (en) * | 2012-01-24 | 2013-09-05 | Nippon Seiki Co Ltd | Head-up display device |
| CN104126143A (en) * | 2012-02-15 | 2014-10-29 | 谷歌公司 | Heads-up display including eye tracking |
| CN107430279A (en) * | 2015-03-18 | 2017-12-01 | 卡尔蔡斯耶拿有限公司 | Data projection system |
| JP2017009855A (en) * | 2015-06-24 | 2017-01-12 | デクセリアルズ株式会社 | Head-up display device |
| KR101762063B1 (en) * | 2016-01-26 | 2017-07-28 | 한양대학교 산학협력단 | Head-Up Display Device |
| CN207833114U (en) * | 2017-12-29 | 2018-09-07 | 深圳点石创新科技有限公司 | Vehicle-mounted head-up-display system |
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| Publication number | Publication date |
|---|---|
| CN109991738B (en) | 2024-06-14 |
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