CN103487942A - HUD luminance improving device - Google Patents
HUD luminance improving device Download PDFInfo
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- CN103487942A CN103487942A CN201310456101.5A CN201310456101A CN103487942A CN 103487942 A CN103487942 A CN 103487942A CN 201310456101 A CN201310456101 A CN 201310456101A CN 103487942 A CN103487942 A CN 103487942A
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Abstract
The invention relates to an HUD luminance improving device, namely, a high-luminance HUD optical system based on laser micro projection. The HUD luminance improving device comprises an image analysis system, an image receiving system and an eyepiece system. The HUD luminance improving device is characterized in that a red laser device, a green laser device and a blue laser device are used as signal light sources; an optical thin film is introduced into the eyepiece system, so that corresponding red light, corresponding green light and corresponding blue light are reflected, and light with other wave lengths directly penetrates through the optical thin film or part of the light penetrates through the optical thin film, wherein the corresponding red light, the corresponding green light and the corresponding blue light are emitted by the laser devices. The HUD luminance improving device has the high-luminance information display effect and enables a high-definition external environment display view to be obtained.
Description
Technical field
The present invention relates to the demonstration field, relate in particular to a kind of HUD brightness improving device.More specifically, relate to a kind of device that improves the HUD display brightness by introducing the micro-throwing of laser and optical thin film.
Background technology
HUD is the abbreviation of head-up display (Head Up Display), and it appears on military aircraft the earliest, and the meaning of looking squarely refers to that the pilot does not need to bow and just can see the important information of his needs.HUD is the principle of utilizing optical reflection, and important flight relevent information is incident upon above a slice glass.This sheet glass is positioned at the passenger cabin front end, highly roughly with pilot's eyes, become level, the word of projection and image are adjusted at above the distance of focal length infinity, when the pilot sees toward the place ahead through HUD, can easily the data of extraneous scene and HUD demonstration be merged.The purpose of HUD design is demonstration and the data that allows the pilot not need to bow and to check instrument, remains the attitude of new line, ignores quick variation and the eyes focal length needs delay that constantly adjustment produces and uncomfortable of external environment between bowing and coming back.Because the convenience of HUD and can improve flight safety, land craft is also attempted one after another follow-up and is installed such as automobile.
It is to mainly contain two kinds of modes that the information of existing HUD device shows: the one, and automobile front windshield adopts a kind of special laminated glass, this laminated glass is built-in liquid crystal display film, grenade instrumentation is incident upon information on automobile front windshield, can show information.The manufacture craft difficulty of laminated glass is large, thereby constant product quality is poor, and in addition, ghost image easily appears in laminated glass, and display effect is poor; Another kind is plating layer of transparent reflective membrane on eyepiece that enters human eye in the end, and purpose is to allow a light part that comes from panel enter human eye through reflection, and a part sees through in order to observe the car external environment.Because transparent reflective membrane can be gone out a part of light reflection and can't see through, this can reduce the brightness of HUD itself, to such an extent as to be difficult to use under the environment of high brightness.
WO2007122427 discloses a kind of liquid crystal display automobile sandwich-glass that opens the light and control, its structure is to accompany liquid crystal film in the middle of two sheet glass, also accompany high polymer layer between liquid crystal film and glass, but this technology only provides a display background zone for the projector projected image, while being provided for the vehicle glass front, electrode is not drawn, the solution of the optical skew of viewing area boundary vicinity, and the integrated integration of outward appearance, so this technology can't directly be used on shield glass.
Chinese patent CN103018906A discloses a kind of head-up display, comprises the image emissions device and is arranged at the transparent screen in image emissions device the place ahead, and transparent screen is provided with the transparent reflective membrane that image that one deck will emit by the image emissions device reflexes to human eye.Because transparent reflective membrane can be gone out a part of light reflection and can't see through, this can reduce the brightness of HUD itself, to such an extent as to be difficult to use under the environment of high brightness.
Summary of the invention
The invention provides a kind of HUD brightness improving device, solved raising HUD brightness and light utilization ratio, it can be used under high-brightness environment, and avoid occurring the technical matters of ghost image.
In order to solve the problems of the technologies described above, technical scheme of the present invention is:
The invention provides a kind of HUD brightness improving device, comprising:
The image analysis system, for resolving to electric signal laser signal projection frame out;
Image receiving system, for receiving the picture that projection goes out from described image analysis system, eliminate laser speckle;
Eyepiece system, comprise dioptric system and condenser system, and described dioptric system has the described laser of setting wavelength for reflection, and see through the light except having the described laser of setting wavelength.
Further, described image analysis system comprises red laser, green laser and blue laser, the micro-electro-mechanical systems projection lens of unifying;
Described three kinds of laser instruments can send has the laser of setting wavelength;
Described MEMS (micro electro mechanical system) receiving optical signals also converts the light signal received to electric signal, then converts the electrical signal to again light signal;
Described projection lens is used for by image projection out.
Further, described image receiving system comprises the diffusion panel, and described diffusion panel is for receiving the picture that described projection lens projection goes out, and eliminate laser speckle.
Further, described dioptric system comprises the refractive power eyepiece, and described refractive power eyepiece comprises substrate and be plated in the optical thin film on substrate surface, and described optical thin film is comprised of the film plating layer of different refractivity.
Further, the film membrane stack of described optical thin film is respectively TiO
2and SiO
2bi-material is arranged alternately.
Further, described optical thin film adopts technique for vacuum coating to be plated on described substrate surface.
Further, the surface of described substrate is glass or optics plastic cement.
Further, described condenser system is for focusing on described optical thin film by image.
HUD brightness improving device disclosed by the invention is introduced optical thin film in eyepiece system, and this film can allow the light of setting wavelength reflect, and the light except setting wavelength directly sees through or part sees through.Two kinds of light do not interfere with each other, and the role is clearly demarcated, have improved greatly the light utilization ratio, have both improved the display brightness of Vehicle Driving Cycle relevant information, have improved again the sharpness of observing the car external environment from eyepiece.On the other hand, optical thin film has the refractive index value of homogeneous, has avoided the appearance of ghost image.
The accompanying drawing explanation
Fig. 1 is the composition schematic diagram of HUD brightness improving device of the present invention;
Fig. 2 is that dioptric system of the present invention forms schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention
As shown in Figure 1, be the composition schematic diagram of HUD brightness improving device in the embodiment of the present invention, mainly can be divided into following three modules, details are as follows:
The image analysis system: comprise blue laser 101, green laser 102, red laser 103, and MEMS (micro electro mechanical system) 104, projection lens 105.The Vehicle Driving Cycle relevant information is carried in by described blue laser 101, in three coloured light that green laser 102 and red laser 103 send, transmit, arrive described MEMS (micro electro mechanical system) 104 through optic path, MEMS (micro electro mechanical system) 104 receives the light signal transmitted and it is converted into to electric signal, can realize the man-machine interactive operation, the user can select by described MEMS (micro electro mechanical system) 104 information oneself needed according to own demand, the information that described MEMS (micro electro mechanical system) 104 is selected the user again is converted into light signal output, through the clear and amplification by Image Adjusting of described projection lens 105.
Image receiving system: comprise a diffusion panel 201, its effect is to receive to come from the picture that 105 projections of projection lens described in the image analysis system go out, and by the picture eliminate laser speckle received, thereby make the light after diffusion panel 201 lose the coherence of laser, thereby the injury of having avoided long laser reflection to cause human eye.
Eyepiece system: comprise condenser system 301 and dioptric system 302, the image that condenser system 301 receives described diffusion panel 201 focuses on the optical thin film in the middle of dioptric system 302, described dioptric system 302 comprises the refractive power eyepiece, described refractive power eyepiece comprises substrate and is plated in the optical thin film on substrate surface, and described optical thin film is comprised of the film plating layer of different refractivity.
As Fig. 2, for dioptric system in the embodiment of the present invention forms schematic diagram.In figure, 3202 is substrate, can be glass or optics plastic surface, in figure, 3021 is optical thin film, adopt technique for vacuum coating to be plated on described substrate surface, described optical thin film is comprised of the Coating Materials of different refractivity, every layer thickness tens is to the hundreds of nanometer, and the film membrane stack of described optical thin film is respectively TiO
2and SiO
2bi-material alternately, can be also other substitution film materials.The image described diffusion panel 201 received when condenser system 301 focuses on the central optical thin film 3201 of dioptric system 302, and this film can allow the light of specific wavelength reflect, as shown in Figure 2, and L
infor incident light, L
outfor reflected light, R
outfor transmitted light, the light that wavelength is 638nm, 516nm and 450nm is reflected, and the light except these three kinds of wavelength can directly see through or part sees through.The part light be reflected enters human eye, thereby allows the people see the relevant information of running car; The light be through, through automobile front windshield, can allow the people see the car external environment.Two kinds of light do not interfere with each other, and the role is clearly demarcated, have improved greatly the light utilization ratio, have both improved the display brightness of Vehicle Driving Cycle relevant information, have improved again the sharpness of observing the car external environment from eyepiece.
Above disclosed is only a kind of preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the claims in the present invention, still belong to the scope that the present invention is contained.
Claims (8)
1. a HUD brightness improving device, is characterized in that, comprising:
The image analysis system, for resolving to electric signal laser signal projection frame out;
Image receiving system, for receiving the picture that projection goes out from described image analysis system, eliminate laser speckle;
Eyepiece system, comprise dioptric system and condenser system, and described dioptric system has the described laser of setting wavelength for reflection, and see through the light except having the described laser of setting wavelength.
2. HUD brightness improving device as claimed in claim 1 is characterized in that:
Described image analysis system comprises red laser, green laser and blue laser, the micro-electro-mechanical systems projection lens of unifying;
Described three kinds of laser instruments can send has the laser of setting wavelength;
Described MEMS (micro electro mechanical system) receiving optical signals also converts the light signal received to electric signal, then converts the electrical signal to again light signal;
Described projection lens is used for by image projection out.
3. HUD brightness improving device as claimed in claim 1 is characterized in that:
Described image receiving system comprises the diffusion panel, and described diffusion panel is for receiving the picture that described projection lens projection goes out, and eliminate laser speckle.
4. HUD brightness improving device as claimed in claim 1 is characterized in that:
Described dioptric system comprises the refractive power eyepiece, and described refractive power eyepiece comprises substrate and be plated in the optical thin film on substrate surface, and described optical thin film is comprised of the film plating layer of different refractivity.
5. HUD brightness improving device as claimed in claim 4 is characterized in that:
The film membrane stack of described optical thin film is respectively TiO
2and SiO
2bi-material is arranged alternately.
6. HUD brightness improving device as claimed in claim 4 is characterized in that:
Described optical thin film adopts technique for vacuum coating to be plated on described substrate surface.
7. HUD brightness improving device as claimed in claim 4 is characterized in that:
The surface of described substrate is glass or optics plastic cement.
8. HUD brightness improving device as claimed in claim 1 is characterized in that:
Described condenser system is for focusing on described optical thin film by image.
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| CN201310456101.5A CN103487942B (en) | 2013-09-29 | 2013-09-29 | A kind of HUD brightness improving device |
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|---|---|---|---|
| CN201310456101.5A CN103487942B (en) | 2013-09-29 | 2013-09-29 | A kind of HUD brightness improving device |
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| CN103487942B CN103487942B (en) | 2016-08-10 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849250A (en) * | 2015-05-05 | 2015-08-19 | 浙江大学 | Portable intelligent plant physiological state detection system and method |
| CN105093534A (en) * | 2015-08-21 | 2015-11-25 | 杨毅 | Display screen and display apparatus |
| CN105700136A (en) * | 2014-11-27 | 2016-06-22 | 比亚迪股份有限公司 | Vehicle head-up display system and automobile |
| CN106143152A (en) * | 2015-03-26 | 2016-11-23 | 中航联创科技有限公司 | Vehicle-mounted flat aobvious device |
| CN106143151A (en) * | 2015-03-26 | 2016-11-23 | 中航联创科技有限公司 | Vehicle-mounted flat aobvious device |
| CN106772967A (en) * | 2016-12-06 | 2017-05-31 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of Clairvoyant type speech display optical system |
| WO2017157136A1 (en) * | 2016-03-17 | 2017-09-21 | 异视科技（北京）有限公司 | Display imaging system and method, and vehicle carrying the system |
| CN108027508A (en) * | 2015-09-30 | 2018-05-11 | 麦克赛尔株式会社 | Display device and display are as projecting method and head-up display |
| CN108828773A (en) * | 2018-04-24 | 2018-11-16 | 惠州市华阳多媒体电子有限公司 | A kind of AR-HUD light path system of convertible adjusting |
| WO2019006684A1 (en) * | 2017-07-04 | 2019-01-10 | 苏州耐德佳天成光电科技有限公司 | Projection objective applicable to image source of scanning galvanometer, and display device using same |
| CN110967834A (en) * | 2018-10-01 | 2020-04-07 | 本田技研工业株式会社 | Display device, display control method, and storage medium |
| CN112987152A (en) * | 2019-12-17 | 2021-06-18 | 华为技术有限公司 | Reflective film and display imaging system |
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| CN105700136A (en) * | 2014-11-27 | 2016-06-22 | 比亚迪股份有限公司 | Vehicle head-up display system and automobile |
| CN106143152A (en) * | 2015-03-26 | 2016-11-23 | 中航联创科技有限公司 | Vehicle-mounted flat aobvious device |
| CN106143151A (en) * | 2015-03-26 | 2016-11-23 | 中航联创科技有限公司 | Vehicle-mounted flat aobvious device |
| CN104849250A (en) * | 2015-05-05 | 2015-08-19 | 浙江大学 | Portable intelligent plant physiological state detection system and method |
| CN105093534A (en) * | 2015-08-21 | 2015-11-25 | 杨毅 | Display screen and display apparatus |
| CN108027508A (en) * | 2015-09-30 | 2018-05-11 | 麦克赛尔株式会社 | Display device and display are as projecting method and head-up display |
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| US11397323B2 (en) | 2016-03-17 | 2022-07-26 | Futurus Technology Co., Ltd. | Displaying system, method, and vehicle |
| CN106772967A (en) * | 2016-12-06 | 2017-05-31 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of Clairvoyant type speech display optical system |
| WO2019006684A1 (en) * | 2017-07-04 | 2019-01-10 | 苏州耐德佳天成光电科技有限公司 | Projection objective applicable to image source of scanning galvanometer, and display device using same |
| CN110291441A (en) * | 2017-07-04 | 2019-09-27 | 苏州耐德佳天成光电科技有限公司 | A kind of projection objective suitable for scanning galvanometer image source and the display device using it |
| CN110291441B (en) * | 2017-07-04 | 2021-12-10 | 北京耐德佳显示技术有限公司 | Projection objective suitable for scanning galvanometer image source and display device using same |
| CN108828773A (en) * | 2018-04-24 | 2018-11-16 | 惠州市华阳多媒体电子有限公司 | A kind of AR-HUD light path system of convertible adjusting |
| CN110967834A (en) * | 2018-10-01 | 2020-04-07 | 本田技研工业株式会社 | Display device, display control method, and storage medium |
| CN110967834B (en) * | 2018-10-01 | 2022-05-31 | 本田技研工业株式会社 | Display device, display control method, and storage medium |
| CN112987152A (en) * | 2019-12-17 | 2021-06-18 | 华为技术有限公司 | Reflective film and display imaging system |
| CN112987152B (en) * | 2019-12-17 | 2022-10-04 | 华为技术有限公司 | Reflective film and display imaging system |
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