CN105150934A - Head-up display system based on electrowetting technology - Google Patents
Head-up display system based on electrowetting technology Download PDFInfo
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- CN105150934A CN105150934A CN201510478282.0A CN201510478282A CN105150934A CN 105150934 A CN105150934 A CN 105150934A CN 201510478282 A CN201510478282 A CN 201510478282A CN 105150934 A CN105150934 A CN 105150934A
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- head
- display device
- display
- efd
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/20—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of display used
- B60R2300/205—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of display used using a head-up display
Abstract
The invention discloses a head-up display system based on the electrowetting technology. An EFD screen of the electrowetting technology is adopted as display media, and therefore the head-up display function is achieved; and due to the fact that an EFD performs reflective display, no backlight source is needed, a good display effect can still be achieved under strong light, the EFD is superior to a traditional projection type display screen and a TOLED display screen in the aspect, and electricity is saved to a great extent. According to the system, information such as the vehicle speed, navigation and the engine rotating speed is displayed through the EFD, display can still be clear under strong light, ghosting is avoided, electricity is saved, a driver can see clearly the information at a glance under the condition that normal driving of the driver is not delayed, the driver does not need to lower his/her head to see an instrument panel and a navigator, and the driving comfort degree and driving safety are improved. Data interaction is completed through a Bluetooth wireless communication protocol, and no extra in-vehicle wiring is needed.
Description
Technical field
The present invention relates to a kind of head-up-display system, particularly based on the HUD system of electrowetting technology.
Background technology
Automobile is when running at high speed, and when particularly vehicle flowrate is large by day, the navigation of viewing gauge panel or operation console if chaufeur is bowed, when running into emergency situation, just may cause traffic accident because of having little time to take measures.
In order to the sight line reducing chaufeur leaves number of times and the time of road ahead, HUD starts to be applied on automobile gradually.HUD (HeadUpDisplay), be called for short HUD, generally apply to the flight assistive device on aerocraft at present, partial automobile industry is equipped with HUD, he is a kind of integronics be made up of electronic building brick, display module, controller, power supply etc., can by the speed of a motor vehicle, the relevant informations such as navigation information are presented on front windshield and check for chaufeur.
The technology of existing automobile head-up display, passes to HUD by the APP of OBD interface and mobile phone by the information of automobile at present, with the function of the new line display and drive recorder that realize automobile self-information.Thisly be designed with following weak point: 1. the OBD interface of HUD and automobile adopts wired connection, and difficult wiring, affects attractive in appearance.2. adopt the mode projecting to optics pad pasting, under high light, image blurring, display effect is undesirable.
Summary of the invention
For solving the problem, the object of the present invention is to provide a kind of HUD system based on electrowetting technology that display effect is desirable under high light.
The present invention solves the technical scheme that its problem adopts:
Based on the HUD system of electrowetting technology, comprise onboard diagnostic system, head-up display device and EFD read-out; Described onboard diagnostic system comprises the first MCU control unit, the first bluetooth module; Described head-up display device comprises the second MCU control unit, the second bluetooth module be connected with the second MCU control unit respectively, the 3rd bluetooth module, built-in power module and display control module, and wherein display control module is used for carrying out drived control to EFD read-out; The first bluetooth module wireless connections in the second bluetooth module in head-up display device and onboard diagnostic system also carry out data exchange, and described 3rd bluetooth module is used for being connected with homing advice blue teeth wireless and carrying out data exchange; Described onboard diagnostic system is connected to ECU control system collection vehicle status information in car by OBD interface; Onboard diagnostic system is communicated with head-up display device by the first bluetooth module, car status information is sent to the display of EFD read-out.
Further, described head-up display device obtains the navigation information in homing advice by the 3rd bluetooth module, and by EFD read-out display vehicle navigation information
Further, described homing advice is smart mobile phone, and described smart mobile phone will turn to, range information passes to head-up display device, and head-up display device is collected above-mentioned information and shown screen display at EFD.
Further, described head-up display device also comprises the expanding communication interface for being connected with mobile unit, described expanding communication interface is connected with the second MCU control unit, described head-up display device obtains extend information by expanding communication interface, and the information collected is shown screen display at EFD.
Further, the bottom of described head-up display device is provided with the sucker for being absorbed and fixed on automobile center console.
Further, the built-in APP of described smart mobile phone can carry out inspection upgrading to the firmware of head-up display device, and during upgrading, firmware updating is sent to head-up display device by APP, and head-up display device self carries out oneself's upgrading after receiving firmware.
Further, the built-in APP application data of described smart mobile phone shows screen display by head-up display device at EFD.
Further, described smart mobile phone obtains the car status information of ECU control system by head-up display device.
Further, described smart mobile phone, by micro-letter public number pairing head-up display device, synchronously obtains the car status information of ECU control system.
The invention has the beneficial effects as follows: the HUD system based on electrowetting technology that the present invention adopts, by adopting the EFD screen of electrowetting technology as show media, realize the function shown that comes back, because EFD is reflective display, do not want backlight, good display effect is still had under high light, this respect is better than traditional projection display and TOLED display screen, and save electricity to a great extent, what the present invention utilized is that EFD telltale is by the speed of a motor vehicle, the information such as navigation and engine speed show, still can clearly show under intense light conditions, electricity is saved without ghost image, chaufeur can be allowed very clear when not delaying chaufeur normal driving, not needing bows watch the instruments dish and navigating instrument, improve comfort level and the safety of driving.And data interaction adopts Bluetooth wireless communication agreement, and decreases the wiring in automobile as much as possible.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and example, the invention will be further described.
Fig. 1 is system principle diagram of the present invention;
Fig. 2 is installation site of the present invention schematic diagram;
Fig. 3 is the display interface schematic diagram of EFD read-out of the present invention.
Detailed description of the invention
With reference to Fig. 1-Fig. 3, the HUD system based on electrowetting technology of the present invention, is made up of head-up display device, onboard diagnostic system, EFD read-out and homing advice.
Wherein EFD(ElectrofluidicDisplay of the present invention) read-out is electric moistening display part, is to utilize oil and the intrinsic natural force of water termination and correlation theory and the technology developed with a kind of.This technology one can be got rid of water from surface, the high hydrophobic material using ink as medium forms the oil phase and aqueous phase that are separated.The wetting effect of water surface can be changed by voltage, makes surface become more hydrophilic.The more water suction ink that surface due to original water resistant becomes now has to change its form.This interface property control is the basis of electric wetted applications.When forming display, electric electro-wetting principle can be used to set up a pixel modulator.When different pixels by discrete actuation to create image time, oil is caught a kind of color, thus painted to pixel.Its displaying principle is: add voltage on upper and lower two-plate after, the colored ink of the inside has been pressed against the side of pixel compartments, and the TFT electrode of read-out and upper bottom crown are all transparent, the therefore transparent state of whole read-out.
Electricity in the present invention is wetting, and to have another name called electricity moistening, no matter makes electricity wetting or electric moistening, as long as it reaches technique effect of the present invention with identical means, all should belong to protection scope of the present invention.
In the present invention, described onboard diagnostic system (abbreviation OBD system) comprises the first MCU control unit and the first bluetooth module, described head-up display device (abbreviation HUD device) comprises the second MCU control unit, the second bluetooth module be connected with the second MCU control unit respectively, for carrying out the display control module of drived control to EFD read-out, described display control module and EFD read-out communicate to connect, the second bluetooth module in described head-up display device is connected with the first bluetooth module radio communication in onboard diagnostic system, described onboard diagnostic system is connected to ECU control system collection vehicle status information in car by OBD interface, onboard diagnostic system is communicated with head-up display device by the first bluetooth module, display control module control EFD read-out display car status information.
Described ECU control system is by connecting engine system, lighting system, the automobile components such as tire pressure detecting device obtain the speed of a motor vehicle, engine speed, light status is (as steering indicating light, headlight etc.), the information of vehicles such as tire pressure parameter, car status information is sent to head-up display device by the mode of bluetooth by described onboard diagnostic system, and show screen display at EFD, chaufeur checks correlate meter without the need to bowing again, relevant information can be seen on the EFD read-out equal with its sight line, the present invention uses diaphaneity to reach the EFD screen of more than 70% as show media, have the following advantages: EFD is reflective display, do not want backlight, good display effect is still had under high light, this respect is better than traditional projection display and TOLED display screen, and save electricity to a great extent.Meanwhile, OBD module is communicated with HUD by bluetooth module, and HUD can obtain the speed of a motor vehicle, engine speed, and car door, with or without the information such as shutting, eliminates again the connection lead between OBD interface and HUD simultaneously, makes system modularization more, be convenient to installation and maintenance.
What the present invention utilized is that EFD telltale is by the speed of a motor vehicle, the information displaying such as navigation and engine speed out, still can clearly show under intense light conditions, electricity is saved without ghost image, chaufeur can be allowed very clear when not delaying chaufeur normal driving, not needing bows watch the instruments dish and navigating instrument, improve comfort level and the safety of driving.Data interaction has come alternately by by blue-teeth data, makes it not need wiring in extra car.
Further, described head-up display device also comprises the built-in power module for powering.Because EFD read-out electric quantity consumption is few, therefore built-in power module can meet the electrical demand of head-up display device completely, and can get on electric power connection line between head-up display device and automobile like this, decreases wiring, add aesthetic property.
Further, described head-up display device also comprises for the 3rd bluetooth module with homing advice Bluetooth communication, described 3rd bluetooth module is connected with the second MCU control unit, and head-up display device obtains the navigation information in homing advice, and by EFD read-out display vehicle navigation information.Homing advice is communicated with head-up display device by the mode of bluetooth, and will turn to, the navigation information such as distance, real-time map sends to head-up display device, described head-up display device can control those navigation informations to be presented on EFD read-out.Allow chaufeur without the need to bowing again, navigation display on rotary head viewing homing advice, directly can know relevant navigation information at EFD read-out, make the better effects if of navigation and driving, with reference to shown in Fig. 3, be the display interface schematic diagram of EFD read-out.
Described homing advice is the smart mobile phone being built-in with navigation APP, because smart mobile phone is built-in with bluetooth module, therefore can very conveniently with head-up display device wireless connections, APP on described smart mobile phone will turn to, range information passes to head-up display device, and head-up display device is collected above-mentioned information and shown screen display at EFD.As when distance 200 meters, crossing, turn marking can glimmer, if overspeed of vehicle, speed marker can glimmer, and so just checks navigating instrument and mobile phone without the need to bowing, and has ensured safety.
In addition, described head-up display device also comprises the expanding communication interface for being connected with mobile unit, described expanding communication interface is connected with the second MCU control unit, by expanding communication interface, head-up display device can be allowed to connect expanded application module, such as car connected network communication module, drive recorder module, navigating instrument, lane shift warning device etc., described head-up display device obtains extend information by expanding communication interface, and the information collected is shown screen display at EFD.
The built-in APP of described smart mobile phone can carry out inspection upgrading to the firmware of head-up display device, and during upgrading, firmware updating is sent to head-up display device by APP, and head-up display device self carries out oneself's upgrading after receiving firmware.
In addition, described EFD read-out is except display running information, can also show the built-in APP application data of smart mobile phone, such as, the information such as weather software, social activity, ocr software in smart mobile phone also can show screen display at EFD, and chaufeur can check relevant information without the need to picking up mobile phone.
Described head-up display device is except obtaining the information on smart mobile phone, also can send to smart mobile phone the car status information that ECU control system obtains, and described smart mobile phone is by micro-letter public number pairing head-up display device, the synchronous car status information obtaining ECU control system.Pass through obtained information by public number and friend Yu compares number of strokes, and the traffic driving habit information of chaufeur can be added up.
With reference to shown in Fig. 2, the installation method of head-up display device of the present invention and EFD read-out is as follows, described onboard diagnostic system directly inserts the OBD interface of automobile, then head-up display device 1 is placed on automobile center console 2, as Windshield 3 place before bearing circle, the bottom of described head-up display device 1 is provided with the sucker 11 for being absorbed and fixed on automobile center console, described EFD read-out 4 is attached on the Windshield of automobile, when after car engine, head-up display device can be opened automatically, and EFD read-out is lighted; Open the APP of smart mobile phone, utilize the 3rd bluetooth module in head-up display device to carry out pairing and connect, at this moment navigate, the speed of a motor vehicle, the information such as rotating speed all will be presented on EFD read-out, as shown in Figure 3.
The above, just preferred embodiment of the present invention, the present invention is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present invention with identical means, all should belong to protection scope of the present invention.
Claims (9)
1. based on the HUD system of electrowetting technology, it is characterized in that: comprise onboard diagnostic system, head-up display device and EFD read-out; Described onboard diagnostic system comprises the first MCU control unit, the first bluetooth module; Described head-up display device comprises the second MCU control unit, the second bluetooth module be connected with the second MCU control unit respectively, the 3rd bluetooth module, built-in power module and display control module, and wherein display control module is used for carrying out drived control to EFD read-out; The first bluetooth module wireless connections in the second bluetooth module in head-up display device and onboard diagnostic system also carry out data exchange, and described 3rd bluetooth module is used for being connected with homing advice blue teeth wireless and carrying out data exchange; Described onboard diagnostic system is connected to ECU control system collection vehicle status information in car by OBD interface; Onboard diagnostic system is communicated with head-up display device by the first bluetooth module, car status information is sent to the display of EFD read-out.
2. the HUD system based on electrowetting technology according to claim 1, is characterized in that: described head-up display device obtains the navigation information in homing advice by the 3rd bluetooth module, and by EFD read-out display vehicle navigation information.
3. the HUD system based on electrowetting technology according to claim 1 and 2, it is characterized in that: described homing advice is smart mobile phone, described smart mobile phone will turn to, range information passes to head-up display device, and head-up display device is collected above-mentioned information and shown screen display at EFD.
4. the HUD system based on electrowetting technology according to claim 1, it is characterized in that: described head-up display device also comprises the expanding communication interface for being connected with mobile unit, described expanding communication interface is connected with the second MCU control unit, described head-up display device obtains extend information by expanding communication interface, and the information collected is shown screen display at EFD.
5. the HUD system based on electrowetting technology according to claim 1, is characterized in that: the bottom of described head-up display device is provided with the sucker for being absorbed and fixed on automobile center console.
6. the HUD system based on electrowetting technology according to claim 3, it is characterized in that: the built-in APP of described smart mobile phone can carry out inspection upgrading to the firmware of head-up display device, during upgrading, firmware updating is sent to head-up display device by APP, and head-up display device self carries out oneself's upgrading after receiving firmware.
7. the HUD system based on electrowetting technology according to claim 3, is characterized in that: the built-in APP application data of described smart mobile phone shows screen display by head-up display device at EFD.
8. the HUD system based on electrowetting technology according to claim 7, is characterized in that: described smart mobile phone obtains the car status information of ECU control system by head-up display device.
9. the HUD system based on electrowetting technology according to claim 8, is characterized in that: described smart mobile phone, by micro-letter public number pairing head-up display device, synchronously obtains the car status information of ECU control system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510478282.0A CN105150934A (en) | 2015-08-06 | 2015-08-06 | Head-up display system based on electrowetting technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510478282.0A CN105150934A (en) | 2015-08-06 | 2015-08-06 | Head-up display system based on electrowetting technology |
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| CN105150934A true CN105150934A (en) | 2015-12-16 |
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| CN201510478282.0A Pending CN105150934A (en) | 2015-08-06 | 2015-08-06 | Head-up display system based on electrowetting technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507588A (en) * | 2017-02-27 | 2018-09-07 | 中国移动通信有限公司研究院 | A kind of method for information display and terminal |
| CN108657070A (en) * | 2018-03-30 | 2018-10-16 | 斑马网络技术有限公司 | Automobile image interactive system and its method |
| CN112150952A (en) * | 2019-06-26 | 2020-12-29 | 比亚迪股份有限公司 | Vehicle-mounted head-up display device, display control method and device thereof, and vehicle |
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| CN112150952A (en) * | 2019-06-26 | 2020-12-29 | 比亚迪股份有限公司 | Vehicle-mounted head-up display device, display control method and device thereof, and vehicle |
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