CN106043104A - LiFi-and-DLP-based automotive illumination system and vehicle illumination signal device hereof - Google Patents
LiFi-and-DLP-based automotive illumination system and vehicle illumination signal device hereof Download PDFInfo
- Publication number
- CN106043104A CN106043104A CN201610574909.7A CN201610574909A CN106043104A CN 106043104 A CN106043104 A CN 106043104A CN 201610574909 A CN201610574909 A CN 201610574909A CN 106043104 A CN106043104 A CN 106043104A
- Authority
- CN
- China
- Prior art keywords
- lifi
- vehicle
- dlp
- car
- signal
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/05—Special features for controlling or switching of the light beam
- B60Q2300/056—Special anti-blinding beams, e.g. a standard beam is chopped or moved in order not to blind
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/42—Indexing codes relating to other road users or special conditions oncoming vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2900/00—Features of lamps not covered by other groups in B60Q
- B60Q2900/30—Lamps commanded by wireless transmissions
Abstract
The invention relates to function features or parts of a vehicle illumination signal device or system, provides an LiFi-and-DLP-based automotive illumination system and a vehicle illumination signal device hereof. An LED main light source is used as a sending light source of a light fidelity (LiFi) sending assembly to send driving data of a vehicle out. A built-in LiFi receiving assembly is used for receiving a light signal sent by an opposite-side vehicle; decoding is carried out to obtain driving data of the opposite-side vehicle; and the data are transmitted to a vehicle bus. A digital light processing (DLP) projection system based on a DMD chip is used for providing projection illumination; according to the driving data, obtained by the LiFi receiving assembly, of the opposite-side vehicle, a projection illumination area is controlled; and a phenomenon that driving security is affected by dazzling light caused by a headlamp can be avoided by adjusting a projection area of light projected to an opposite-side driver position, so that information interaction between vehicles in a vehicle light signal reaching range is realized. A driving state of an adjacent vehicle is estimated and thus early warning of a vehicle collision accident is realized, thereby reducing the probability of a traffic accident effectively.
Description
Technical field
The present invention relates to car lighting advertiser or the functional character of its system or parts, particularly relate to a kind of employing
LiFi and DLP changes the luminous characteristic of car light and the car headlamp of distribution.
Background technology
Along with improving constantly of automobile production ability and people's living standard, automobile increasingly becomes riding instead of walk of average family
Instrument, but it is as improving constantly of automobile utilization rate, vehicle accident incidence rate is also constantly rising.Therefore, the most domestic permitted
Many research institutions start to be devoted to the research of automobile active safety technology.Automobile in the process of moving, in order to prevent accident,
Not only need safe driving, in addition it is also necessary to timely observe and understand the travel conditions of automobile around to take measures rule in time
Keeping away, such as, the personnel that drive need to carry out distance-light darkening according to the transport condition of both sides' vehicle during meeting, send out during to avoid meeting
Raw dazzling, thus the generation of reduction accident as far as possible.
DLP (Digital Light Processing) is projection and a revolutionary new method of display information,
Designed by American TI Company and develop.It passes through DMD micro mirror element (the Digital Micromirror that one piece of reflectance is high
Device), the picture being made up of three primary colors (RGB) can be projected, this technology than traditional LCD lumen, solution as and high contrast
Degree aspect all demonstrates the biggest superiority.Optical projection system based on one DLP includes that internal memory and signal processing function prop up
Hold digital methods.Other element of DLP projector includes light source, color filter system, cooling system, illumination and projection optics
Element.DMD micro mirror element can be briefly described becomes a semiconductor optical switch, thousands of small square lens set
The micro mirror array become, is built upon and forms dmd chip on the hinge arrangement above static random access memory, each eyeglass
Can be with the light of one pixel of break-make.Hinge arrangement allows eyeglass to tilt between two states, and+10 degree are "ON", and-10 degree are
"Off", when eyeglass does not works, they are in 0 degree of " berthing " state.Therefore, DLP can become a simple optical system, logical
After crossing condenser lens and color filter, the light from light source is shone directly on DMD micro mirror array, when DMD eyeglass exists
During ON position, projected away by projection lens through the light of lens reflecting；When DMD eyeglass is in off position, warp
The light of lens reflecting is blocked by the orientation dark slide between micro mirror array and projection lens.China is entered through PCT application
Application for a patent for invention " lamps apparatus for vehicle and control method thereof " (Chinese invention patent application number: 201380033952.7 disclosures
Number: CN104412035A) disclose a kind of lamps apparatus for vehicle, have: projection lens；2-D image forming device, it has position
Perspective plane in the rear near focal point of projection lens；And light source, it irradiates light to 2-D image forming device, perspective plane by
Can be formed by separately-driven multiple optical elements, perspective plane can concurrently form irradiation pattern in multiple view fields, utilizes
Multiple irradiation patterns to light fixture front projection, are formed single or multiple light distribution patterns by projection lens.This technical scheme can
The DMD shadow casting technique based on existing DLP is used to form the light distribution patterns required for lamps apparatus for vehicle.But, this technology
Scheme only address only characteristic and the problem of distribution how utilizing DLP and DMD shadow casting technique to change car light luminescence, does not solve
The technical problem of running condition information when certainly how both sides' vehicle obtains meeting.
LiFi is the abbreviation of " Light Fidelity ", and this is that Britain's famous physicist Harald Haas is developed
A kind of brand-new wireless data transmission technology, available common houselights completes whole process.Turning on room electric light
While, user also opens the Internet and connects.The device of this LiFi of being referred to as can be used for transmitting from TV wave band " in vain
Space " wireless data or the satellite-signal that is not used by.This invention is carried out by the frequency changing room illumination light
Data are transmitted, and the data of transmission per second are more than 10Mb, equally matched with typical broadband connection.Chinese invention patent application " base
One-way transmission apparatus in LIFI light " (application for a patent for invention number: 201410582927.0 publication numbers: CN105634592A) public affairs
Opened a kind of LIFI technology and by optical signal, data carried out the one-way transmission apparatus of one-way transmission, including with sending module
The transmitting terminal connected and the receiving terminal connected with receiver module, physical isolation between sending module and receiver module；Sending module
Including LED, it is used for sending optical signal；Receiver module includes photomultiplier tube, is used for receiving described LED and sends optical signal and count
Detection；LED and photomultiplier tube are oppositely arranged.In order to reduce the interference of veiling glare in signals transmission, this technical scheme needs
LED is arranged on same straight line with band pass filter, and LED and band pass filter are arranged on the case of same sealing shading
Internal.But, meeting is still with travelling forwards, backwards the most in opposite directions, the vapour in needing two that set up communication to run at high speed
Car is all to meet at random.Therefore, the technical scheme of this application for a patent for invention can not meet high-speed mobile and meet at random two
Automobile transmits mutually the requirement of running condition information.
Summary of the invention
It is an object of the invention to provide a kind of automobile lighting system based on LiFi and DLP, solve high-speed mobile and with
The two automobiles that machine meets transmits mutually running condition information and meets lamps apparatus for vehicle requirement according to running condition information offer
The technical problem of light distribution patterns.
The present invention solves above-mentioned technical problem and be the technical scheme is that
A kind of automobile lighting system based on LiFi and DLP, before being separately mounted on two automobiles including at least two sets
Illuminator, it is characterised in that:
Described headlamp is car lighting advertiser based on LiFi and DLP；
Described car lighting advertiser is using LED main light source as the transmission light source of LiFi sending assembly, just this car
Running data send out；
Described car lighting advertiser receives, by built-in LiFi receiving unit, the optical signal that opponent vehicle sends,
Decoding process obtains the running data of opponent vehicle and is sent to automobile bus；
Described car lighting advertiser uses DLP based on dmd chip to throw lighting system and provides projection illumination, and root
The opponent vehicle running data obtained according to LiFi receiving unit controls the region of projection illumination, invests the other side driver by adjusting
The light projected area of position, prevents the dazzling light of headlamp generation during meeting from affecting driving safety.
The one preferably technical scheme of the automobile lighting system based on LiFi and DLP of the present invention, it is characterised in that OK
Vehicle in sailing utilizes the car lighting advertiser of self, by the running data of this car by LiFi sending assembly with optical signal
Broadcast transmission mode sends out, be positioned at optical signal can and the vehicle of scope carry out letter each other by car lighting advertiser
Breath is mutual；LiFi receiving unit receives the running data of the adjacent vehicle that decoding obtains, and sends vehicle control to by automobile bus
Computer system processed；The transport condition of adjacent vehicle is estimated by wagon control computer system, to contingent vehicle
The wiping accident of touching sends early warning, thus is effectively reduced the probability that vehicle accident occurs.
A kind of superior technique scheme of the automobile lighting system based on LiFi and DLP of the present invention, it is characterised in that use
Automatic Pilot in automobile；Described LiFi receiving unit receives the running data of the adjacent vehicle that decoding obtains, total by automobile
Line sends car autopilot to；Car autopilot adjusts automatic Pilot strategy according to the transport condition of adjacent vehicle,
Control speed and the travel direction of automatic driving vehicle.
It is a further object to provide a kind of car lighting advertiser for above-mentioned automobile lighting system, this
Invention solves above-mentioned technical problem and be the technical scheme is that
A kind of car lighting advertiser based on LiFi and DLP for above-mentioned automobile lighting system, it is characterised in that:
In the housing of car lighting advertiser, it is provided with LiFi sending assembly, LiFi receiving unit and DLP throws lighting system；
Described LiFi sending assembly includes that the LIFI being connected to automobile bus through Bus Interface Unit modulates driver element；
LIFI modulation driver element receives the running data of this car from automobile bus, is converted into high frequency modulated and drives signal；LIFI
The outfan of modulation driver element is connected to LED main light source, controls LED main light source and produces and send the modulation light letter of high speed scintillation
Number；
Described LiFi receiving unit includes the photomultiplier tube installed towards outer lens, and is connected to photomultiplier transit
The LIFI signal demodulation unit of pipe outfan；The photosignal that photomultiplier tube obtains synchronizes to solve through LIFI signal demodulation unit
Adjust, isolate the running data of opponent vehicle and be sent to automobile bus by Bus Interface Unit；
Described DLP throws lighting system and includes optical image unit, dmd chip and projection lens；Described optical imagery list
The uniform light that LED main light source sends is projected the micro mirror array of dmd chip by unit；Described dmd chip passes through EBI
Unit receives control signal, according to position and the micro mirror array of the other side's position of driver coordinate control dmd chip of opponent vehicle
Switch, is formed by projection lens projection through the light of micro mirror array selective reflecting and meets the throwing irradiation of car headlamp specification
Type.
The one preferably technical scheme of the car lighting advertiser based on LiFi and DLP of the present invention, its feature exists
The optical image unit throwing lighting system in described DLP includes collecting lens and revises lens；The light that LED main light source sends is through poly-
Lens and the refraction of correction lens, form the light beam of the micro mirror array corresponding to dmd chip, uniformly project the every of micro mirror array
Individual micromirror.
A kind of superior technique scheme of the car lighting advertiser based on LiFi and DLP of the present invention, its feature exists
The optical image unit throwing lighting system in described DLP also includes the colour wheel between collecting lens and correction lens；LED key light
The light that source sends filters through colour wheel, is formed and meets the redness of automobile signal light color standard, yellow or amber beams, projection
Micro mirror array to dmd chip；The light that the micro mirror array reflection of dmd chip needs throws the projection lens of lighting system, warp to DLP
After crossing projection lens refraction, the outer lens through car light emits, and constitutes the car lighting that illumination is integrated with semiotic function
Advertiser.
One preferred technical scheme of the car lighting advertiser based on LiFi of the present invention, it is characterised in that described
LED main light source use integrated LiFi function integrated LED light source chip, described LiFi sending assembly is integrated into LED light
In source chip.
The technical scheme of a kind of improvement of the car lighting advertiser based on LiFi and DLP of the present invention, its feature exists
Signal coding modulation module and drive circuit is included in described LIFI modulation driver element；Described Bus Interface Unit is symbol
Close the bus data interface of automobile bus communication interface standard；The input of Signal coding modulation module is through Bus Interface Unit even
Receive automobile bus, gathered the running data of this car by automobile bus；Signal coding modulation module is by the running data of this car
It is modulated into high-frequency signal；The outfan of Signal coding modulation module is connected to drive circuit, amplifies through drive circuit, filters and go
Except the high-frequency signal of noise, be converted to optical signal by LED main light source and send opponent vehicle to by high speed scintillation.
A kind of technical scheme of the further improvement of the car lighting advertiser based on LiFi and DLP of the present invention, its
It is characterised by that the photomultiplier tube of described LiFi receiving unit is provided with band pass filter agc circuit, the light that photomultiplier tube receives
Signal filters veiling glare by band pass filter agc circuit and high light disturbs, and effective optical signal is converted to the signal of telecommunication；Described
LIFI signal demodulation unit includes filtering main amplification module and signal processing synchronous demodulation module；The main amplification module of described filtering connects
To the outfan of band pass filter agc circuit, the signal of telecommunication after opto-electronic conversion is amplified and suppresses transmitted noise；Described
Signal processing synchronous demodulation module is connected to filter the outfan of main amplification module, is demodulated by the signal of telecommunication after filter and amplification,
Extract the running data of opponent vehicle and be sent to automobile bus by Bus Interface Unit.
A kind of preferably technical scheme of the car lighting advertiser based on LiFi and DLP of the present invention, its feature exists
LED pair light source it is additionally provided with in the housing of described car lighting advertiser；Described LED pair light source is for daytime running lamps
DRL light source, or be specifically designed to infrared LED or the laser diode of LiFi optical signal launch；Described LED pair light source is even
The LIFI receiving LiFi sending assembly modulates driver element；When the light of LED main light source can not arrive at opponent vehicle illumination sign
During device, described LED pair light source provides auxiliary LiFi optical signal to be used for keeping continual LiFi communication between vehicle.
The invention has the beneficial effects as follows:
1. the automobile lighting system based on LiFi and DLP of the present invention and car lighting advertiser thereof, inside car light
It is integrated with LiFi technology and DLP technology, carries out the information between vehicle by LiFi technology mutual, carry out square by DLP technology
Configuration illuminates, and utilizes the opponent vehicle positional information obtained by LiFi to control the receptive area territory of DLP throwing lighting system, dodges
The light of oncoming drivers position may be irradiated to, thus the dazzling light that when preventing meeting, headlamp produces affects driving safety.
2. the automobile lighting system based on LiFi and DLP of the present invention and car lighting advertiser thereof, utilization is integrated in
LiFi assembly within car lighting advertiser, it is achieved car light light signal can and scope in vehicle between information hand over
Mutually；Wagon control computer system utilizes the running data of the adjacent vehicle obtained by LiFi, the traveling shape to adjacent vehicle
State is estimated, and contingent vehicle is wiped the accident of touching and sends early warning, thus be effectively reduced the probability that vehicle accident occurs.
3. the automobile lighting system based on LiFi and DLP of the present invention and car lighting advertiser thereof, utilizes DLP to throw and shines
The rich colors of system generation and flexible drop shadow spread, it is provided that meet automobile signal light color standard and meet car light appearance and modeling
The signal light required, constitutes the car lighting advertiser that illumination is integrated with semiotic function, it is achieved a lamp is multiplex.
Accompanying drawing explanation
Fig. 1 is the system structure schematic diagram of the automobile lighting system based on LiFi and DLP of the present invention；
Fig. 2 is the theory diagram of the DLP throwing lighting system of the car lighting advertiser for the present invention；
Fig. 3 is the theory diagram of the LiFi sending assembly of the car lighting advertiser for the present invention；
Fig. 4 is the theory diagram of the LiFi receiving unit of the car lighting advertiser for the present invention；
Fig. 5 is the structural representation of the car lighting advertiser based on LiFi and DLP of the present invention.
The label of each parts in above figure: 1-car lighting advertiser, 2-LiFi sending assembly, 3-LiFi reception group
Part, 4-DLP throws lighting system, 101-housing, the outer lens of 102-, the headlamp of 1A-A car, the headlamp of 1B-B car, 11-automobile
Bus, 21-B car driver, 12-Bus Interface Unit, 301-LED main light source, 302-LED pair light source, 31-LIFI modulates driving
Unit, 311-Signal coding modulation module, 312-drive circuit, 32-photomultiplier tube (PMT), 321-band pass filter AGC electricity
Road, 33-LIFI signal demodulation unit, 331-filters main amplification module, 332-signal processing synchronous demodulation module, 34-optical imagery
Unit, 341-collecting lens, 342-colour wheel, 343-revises lens, 35-DMD chip, 36-projection lens.In figure, solid line represents electricity
Signal or data transmission connect, and represent the light path launching light with the chain-dotted line of arrow arrow tail, and the two point with arrow arrow tail is drawn
Line represents the light path receiving light.
Detailed description of the invention
For better understanding of the technique scheme of the present invention, carry out further with embodiment below in conjunction with the accompanying drawings
Describe in detail.
The automobile lighting system based on LiFi and DLP of the present invention includes that at least two sets are separately mounted on two automobiles
Headlamp, such as the headlamp 1A and the headlamp 1B of B car of A car in Fig. 1, described headlamp is vehicle based on LiFi and DLP
Lighting signal device 1；
Described car lighting advertiser 1 is using LED main light source 301 as the transmission light source of LiFi sending assembly 2, by this car
Running data send out；
Described car lighting advertiser 1 receives, by built-in LiFi receiving unit 3, the light letter that opponent vehicle sends
Number, decoding process obtains the running data of opponent vehicle and is sent to automobile bus 11；
Described car lighting advertiser 1 uses DLP based on dmd chip to throw lighting system 4 and provides projection illumination, and
The opponent vehicle running data obtained according to LiFi receiving unit 3 controls the region of projection illumination, drives by adjusting trend of purchasing the other side
The light projected area of the person of sailing position, prevents the dazzling light of headlamp generation during meeting from affecting driving safety.
In the embodiment shown in fig. 1, when automobile A and automobile B will meeting time, the car lighting advertiser of two cars
(headlamp 1A and 1B) respectively by described LiFi sending assembly 2 by the two respective running datas of car, sent by optical signal
To opponent vehicle；Described running data includes the position of vehicle, speed, travel direction and brake signal, and car steering
The position coordinates (seeing the B car position of driver 21 in Fig. 1) of member；Such as, the opponent vehicle (A car) of B car utilizes headlamp 1A
Built-in LiFi receiving unit 3, receives optical signal that B Herba Plantaginis illuminator 1B sends and it is carried out data process, thus obtaining B
The detailed running data of car, especially obtains the position coordinates of Facing Movement automobile B car driver 21.The car lighting letter of A car
The DLP of number device 1 throws lighting system 4, according to the position coordinates of the B car driver 21 that LiFi receiving unit 3 obtains, by program control
In headlamp 1A processed, the micro mirror switch of dmd chip, evades the light of the ray regions I that may get to B car position of driver, thus
The dazzling probability occurred when being effectively prevented meeting.In order to make drawing become apparent from, Fig. 1 eliminates the headlamp 1B of B car
Light projection area, only indicate the projection illumination region II of the headlamp 1A of A car with dotted line, and near B car driver 21
Light projection evade region I.Equally, the headlamp 1B of B car receives the LiFi data that A Herba Plantaginis illuminator 1A sends, and utilizes DLP to throw
The situation that lighting system 4 controls the light projection area of headlamp 1B is same with the state class shown by Fig. 1.
One preferred embodiment of the automobile lighting system based on LiFi and DLP according to the present invention, the car in traveling
Utilize the car lighting advertiser of self, the running data of this car is sent out with optical signal broadcast by LiFi sending assembly 2
Send mode to send out, be positioned at optical signal can and the vehicle of scope carry out information friendship each other by car lighting advertiser
Mutually；LiFi receiving unit 3 receives the running data of the adjacent vehicle that decoding obtains, and sends wagon control meter to by automobile bus
Calculation machine system；The transport condition of adjacent vehicle is estimated by wagon control computer system, wipes contingent vehicle and touches
Accident sends early warning, thus effectively reduces the probability got into an accident.
Another embodiment of automobile lighting system based on LiFi and DLP according to the present invention, automatic for automobile
Drive；Described LiFi receiving unit 3 receives the running data of the adjacent vehicle that decoding obtains, and sends automobile to by automobile bus
Automatic pilot；Car autopilot adjusts automatic Pilot strategy according to the transport condition of adjacent vehicle, controls automatic Pilot
The speed of vehicle and travel direction.
An a kind of embodiment of the car lighting advertiser for above-mentioned automobile lighting system based on LiFi and DLP
As it is shown in figure 5, be provided with LiFi sending assembly 2, LiFi receiving unit 3 and DLP in the housing 101 of car lighting advertiser 1
Throw lighting system 4；
Described LiFi sending assembly 2 includes that the LIFI modulation being connected to automobile bus 11 through Bus Interface Unit 12 drives
Unit 31；LIFI modulation driver element 31 receives the running data of this car from automobile bus 11, is converted into high frequency modulated and drives
Dynamic signal；The outfan of LIFI modulation driver element 31 is connected to LED main light source 301, controls LED main light source 301 and produces concurrently
Send the modulation optical signal of high speed scintillation；The frequency that the flicker frequency of described modulation optical signal can be seen far above human eye；
Described LiFi receiving unit 3 includes the photomultiplier tube 32 installed towards outer lens 102, and is connected to light
The LIFI signal demodulation unit 33 of electricity multiplier tube 32 outfan；The photosignal that photomultiplier tube 32 obtains demodulates through LIFI signal
Unit 33 synchronous demodulation, isolates the running data of opponent vehicle and is sent to automobile bus 11 by Bus Interface Unit 12；
Described outer lens 102 could be for making lamp body 101 form the translucent cover sealing space, it is also possible to is for reality
Existing car light signal illuminating light distribution or the lens of light-focusing function, the light that the car lighting advertiser of opponent vehicle sends is through outward
Lens 102 enters photomultiplier tube 32.
Described DLP throws lighting system 4 and includes optical image unit 34, dmd chip 35 and projection lens 36, described optics
The uniform light that LED main light source 301 sends is projected the micro mirror array of dmd chip 35 by image-generating unit 34；Described dmd chip
35 receive control signal by Bus Interface Unit 12, according to the vehicle location obtained from the running data of opponent vehicle and right
Side position of driver coordinate, control dmd chip 35 micro mirror array switch, through micro mirror array selective reflecting light by throw
Penetrate lens 36 projection and form the throwing irradiation type meeting car headlamp specification.
The embodiment of the car lighting advertiser according to the present invention shown in Fig. 2, described DLP throws the optics of lighting system 4
Image-generating unit 34 includes collecting lens 341 and revises lens 343；The light that LED main light source 301 sends is through poly-lens 341 and repaiies
The refraction of plus lens 343, forms the light beam of the micro mirror array corresponding to dmd chip 35, uniformly projects each of micro mirror array
Micromirror.
The embodiment of the car lighting advertiser according to the present invention shown in Fig. 2, described DLP throws the optics of lighting system 4
Image-generating unit 34 also includes the colour wheel 342 between collecting lens 341 and correction lens 343；LED main light source 301 sends
Light filters through colour wheel 342, is formed for meeting the redness of automobile signal light color standard, yellow or amber beams, projection
Micro mirror array to dmd chip 35；The projection that the light that the micro mirror array reflection of dmd chip 35 needs throws lighting system 4 to DLP is saturating
Mirror 36, after projection lens 36 reflects, the outer lens 102 through car light emits, and constitutes illumination and semiotic function one
The car lighting advertiser changed.Micro mirror array based on millions of grades of dmd chip 5, DLP throws lighting system 4 can provide 16,700,000
Plant color and 256 sections of gray-levels, it is possible to meet the needs of any car lighting and semiotic function.
One preferred embodiment of the car lighting advertiser based on LiFi according to the present invention, described LED key light
Source 301 uses the integrated LED light source chip of integrated LiFi function, described LiFi sending assembly 2 to be integrated into LED light source chip
In.
The embodiment of the car lighting advertiser according to the present invention shown in Fig. 3, described LIFI modulates driver element
31 include Signal coding modulation module 311 and drive circuit 312；Described Bus Interface Unit 12 is to meet automobile bus communication
The bus data interface of interface standard；According to one embodiment of present invention, described automobile bus 11 is CAN, described
Bus Interface Unit 12 meet CAN communication interface standard；The input of Signal coding modulation module 311 is through EBI
Unit 12 is connected to automobile bus 11, is gathered the running data of this car by the CAN of vehicle；Signal coding modulation module
The running data of this car is modulated into high-frequency signal by 311；The outfan of Signal coding modulation module is connected to drive circuit, through driving
The high-frequency signal of noise is amplified, filters and remove on galvanic electricity road, is converted to optical signal by high speed scintillation transmission by LED main light source
To opponent vehicle.
The embodiment of the car lighting advertiser according to the present invention shown in Fig. 4, the photoelectricity of described LiFi receiving unit 3
Multiplier tube (Photomultiplier Tube is called for short PMT) 32 is provided with band pass filter agc circuit 321, and photomultiplier tube 32 connects
The optical signal received filters veiling glare by band pass filter agc circuit 321 and high light disturbs, and effective optical signal is converted to telecommunications
Number；Described LIFI signal demodulation unit 33 includes filtering main amplification module 331 and signal processing synchronous demodulation module 332；Described
The main amplification module 331 that filters be connected to the outfan of band pass filter agc circuit 321, the signal of telecommunication after opto-electronic conversion is carried out
Amplify and suppress transmitted noise；Described signal processing synchronous demodulation module 332 is connected to filter the output of main amplification module 331
End, is demodulated the signal of telecommunication after filter and amplification, extracts the running data of opponent vehicle and is passed by Bus Interface Unit 12
Deliver to automobile bus 11.
The embodiment of the car lighting advertiser according to the present invention shown in Fig. 5, described car lighting advertiser 1
LED pair light source 302 it is additionally provided with in housing 101；Described LED pair light source 302 is the DRL light source for daytime running lamps, or
It is used exclusively for infrared LED or the laser diode of LiFi optical signal launch；Described LED pair light source 302 is connected to LiFi and sends out
The LIFI of sending component 2 modulates driver element 31；When the light of LED main light source 301 can not arrive at opponent vehicle lighting signal device 1
Time, described LED pair light source 302 provides auxiliary LiFi optical signal to be used for keeping continual LiFi communication between vehicle.At this
In the embodiment of the car lighting advertiser of invention, the light of LED main light source 301 can not be thrown and shine opponent vehicle illumination sign
The state of device 1 includes situations below: (1), when driving a vehicle in the daytime, headlamp LED main light source 301 is closed；(2) it is
The some light preventing dazzle LED main light source 301 is thrown lighting system 4 selectivity by DLP and is closed, and the headlamp 1B of B car enters Fig. 1 institute
Region I is evaded in the light projection shown.
Those of ordinary skill in the art is it should be appreciated that above embodiment is intended merely to illustrate the present invention's
Technical scheme, and it is not used as limitation of the invention, any connotation based on the present invention is to embodiment described above
The change made, modification, all will fall in the scope of the claims of the present invention.
Claims (10)
1. an automobile lighting system based on LiFi and DLP, the front photograph being separately mounted on two automobiles including at least two sets
Lamp, it is characterised in that:
Described headlamp is car lighting advertiser based on LiFi and DLP；
Described car lighting advertiser is using LED main light source as the transmission light source of LiFi sending assembly, the just row of this car
Sail data to send out；
Described car lighting advertiser receives the optical signal that opponent vehicle sends, decoding by built-in LiFi receiving unit
Process and obtain the running data of opponent vehicle and be sent to automobile bus；
Described car lighting advertiser employing DLP based on dmd chip throwing lighting system offer projection illumination, and according to
The opponent vehicle running data that LiFi receiving unit obtains controls the region of projection illumination, invests the other side driver position by adjusting
The light projected area put, prevents the dazzling light of headlamp generation during meeting from affecting driving safety.
Automobile lighting system based on LiFi and DLP the most according to claim 1, it is characterised in that the vehicle profit in traveling
With the car lighting advertiser of self, by the running data of this car by LiFi sending assembly in optical signal broadcast transmission mode
Send out, be positioned at optical signal can and the vehicle of scope to carry out information each other by car lighting advertiser mutual；LiFi
Receiving unit receives the running data of the adjacent vehicle that decoding obtains, and sends wagon control computer system to by automobile bus
System；The transport condition of adjacent vehicle is estimated by wagon control computer system, contingent vehicle is wiped the accident of touching and sends out
Go out early warning, thus be effectively reduced the probability that vehicle accident occurs.
Automobile lighting system based on LiFi and DLP the most according to claim 2, it is characterised in that automatic for automobile
Drive；Described LiFi receiving unit receives the running data of the adjacent vehicle that decoding obtains, and sends automobile to by automobile bus
Automatic pilot；Car autopilot adjusts automatic Pilot strategy according to the transport condition of adjacent vehicle, controls automatic Pilot
The speed of vehicle and travel direction.
4. car lighting signal based on LiFi and the DLP dress for automobile lighting system described in claim 1,2 or 3
Put, it is characterised in that:
In the housing of car lighting advertiser, it is provided with LiFi sending assembly, LiFi receiving unit and DLP throws lighting system；
Described LiFi sending assembly includes that the LIFI being connected to LED main light source modulates driver element, connects through Bus Interface Unit
This car running data received, is converted to high frequency modulated by LIFI modulation driver element and drives signal, control LED main light source and produce
And send the modulation optical signal of high speed scintillation；
Described LiFi receiving unit includes the photomultiplier tube installed towards outer lens, and it is defeated to be connected to photomultiplier tube
Go out the LIFI signal demodulation unit of end；The photosignal that photomultiplier tube obtains, through LIFI signal demodulation unit synchronous demodulation, divides
Separate out the running data of opponent vehicle and be sent to automobile bus by Bus Interface Unit；Described DLP throws lighting system and includes
Optical image unit, dmd chip and projection lens；The uniform light that LED main light source is sent by described optical image unit is thrown
It is mapped to the micro mirror array of dmd chip；Described dmd chip receives control signal by Bus Interface Unit, according to opponent vehicle
Position and the other side's position of driver coordinate control dmd chip micro mirror array switch, through the light of micro mirror array selective reflecting
Line forms the throwing irradiation type meeting car headlamp specification by projection lens projection.
Car lighting advertiser based on LiFi and DLP the most according to claim 4, it is characterised in that described DLP throws
The optical image unit of lighting system includes collecting lens and revises lens；The light that LED main light source sends is through poly-lens and correction
The refraction of lens, forms the light beam of the micro mirror array corresponding to dmd chip, uniformly projects each micromirror of micro mirror array.
Car lighting advertiser based on LiFi and DLP the most according to claim 4, it is characterised in that described DLP throws
The optical image unit of lighting system also includes the colour wheel between collecting lens and correction lens；The light that LED main light source sends
Line filters through colour wheel, is formed and meets the redness of automobile signal light color standard, yellow or amber beams, projects dmd chip
Micro mirror array；The light that the micro mirror array reflection of dmd chip needs throws the projection lens of lighting system to DLP, through projection thoroughly
After mirror refraction, the outer lens through car light emits, and constitutes the car lighting signal dress that illumination is integrated with semiotic function
Put.
Car lighting advertiser based on LiFi and DLP the most according to claim 4, it is characterised in that described LED
Main light source uses the integrated LED light source chip of integrated LiFi function, and described LiFi sending assembly is integrated into LED light source chip
In.
Car lighting advertiser based on LiFi and DLP the most according to claim 4, it is characterised in that described LIFI
Modulation driver element includes Signal coding modulation module and drive circuit；Described Bus Interface Unit is to meet automobile bus to lead to
The bus data interface of letter interface standard；It is total that the input of Signal coding modulation module is connected to automobile through Bus Interface Unit
Line, gathers the running data of this car by automobile bus；The running data of this car is modulated into high frequency by Signal coding modulation module
Signal；The outfan of Signal coding modulation module is connected to drive circuit, amplifies, filters and remove the height of noise through drive circuit
Frequently signal, is converted to optical signal by LED main light source and sends opponent vehicle to by high speed scintillation.
Car lighting advertiser based on LiFi and DLP the most according to claim 4, it is characterised in that described LiFi connects
The photomultiplier tube receiving assembly is provided with band pass filter agc circuit, and the optical signal that photomultiplier tube receives passes through band pass filter
Agc circuit filters veiling glare and high light interference, and effective optical signal is converted to the signal of telecommunication；Described LIFI signal demodulation unit bag
Include the main amplification module of filtering and signal processing synchronous demodulation module；The main amplification module of described filtering is connected to band pass filter AGC electricity
The outfan on road, is amplified the signal of telecommunication after opto-electronic conversion and suppresses transmitted noise；Described signal processing synchronous demodulation
Module is connected to filter the outfan of main amplification module, is demodulated by the signal of telecommunication after filter and amplification, extracts the row of opponent vehicle
Sail data and be sent to automobile bus by Bus Interface Unit.
Car lighting advertiser based on LiFi and DLP the most according to claim 4, it is characterised in that described vehicle
LED pair light source it is additionally provided with in the housing of lighting signal device；Described LED pair light source is the DRL light source for daytime running lamps,
Or it is specifically designed to infrared LED or the laser diode of LiFi optical signal launch；Described LED pair light source is connected to LiFi and sends out
The LIFI of sending component modulates driver element；When the light of LED main light source can not arrive at opponent vehicle lighting signal device, described
LED pair light source provide auxiliary LiFi optical signal be used for keeping continual LiFi communication between vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610574909.7A CN106043104B (en) | 2016-07-20 | 2016-07-20 | A kind of automobile lighting system and its car lighting signal device based on LiFi and DLP |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610574909.7A CN106043104B (en) | 2016-07-20 | 2016-07-20 | A kind of automobile lighting system and its car lighting signal device based on LiFi and DLP |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106043104A true CN106043104A (en) | 2016-10-26 |
| CN106043104B CN106043104B (en) | 2019-03-12 |
Family
ID=57188415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610574909.7A Active CN106043104B (en) | 2016-07-20 | 2016-07-20 | A kind of automobile lighting system and its car lighting signal device based on LiFi and DLP |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106043104B (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107893A (en) * | 2017-12-22 | 2018-06-01 | 上海理工大学 | Intelligent automobile based on LiFi communications |
| CN108278573A (en) * | 2018-01-05 | 2018-07-13 | 张轹冰 | A kind of scanning type laser car light adaptively illuminated |
| CN108399792A (en) * | 2018-01-25 | 2018-08-14 | 北京墨丘科技有限公司 | A kind of automatic driving vehicle preventing collision method, device and electronic equipment |
| CN108449136A (en) * | 2018-03-30 | 2018-08-24 | 厦门盈趣汽车电子有限公司 | Information communication system based on car bulb |
| CN108571698A (en) * | 2018-03-23 | 2018-09-25 | 常州星宇车灯股份有限公司 | A kind of illumination and communication device based on laser |
| CN108569191A (en) * | 2017-04-19 | 2018-09-25 | 常州星宇车灯股份有限公司 | A kind of pixel type self-adapted car headlamp control system based on DLP |
| DE102018106433A1 (en) | 2017-03-21 | 2018-09-27 | Varroc Lighting Systems, s.r.o. | Communication device of a motor vehicle |
| WO2018176362A1 (en) * | 2017-03-31 | 2018-10-04 | Intel Corporation | Lighting control for a computer assisted vehicle |
| CN108674298A (en) * | 2018-03-23 | 2018-10-19 | 常州星宇车灯股份有限公司 | A kind of car lamp control system showing information of vehicles |
| DE102019106901A1 (en) | 2018-03-29 | 2019-10-02 | Varroc Lighting Systems, s.r.o. | Communication device of a motor vehicle, illumination device of a motor vehicle for the communication device of a motor vehicle and method for car2car or car2X communication of a motor vehicle |
| CN110816398A (en) * | 2019-10-09 | 2020-02-21 | 华中科技大学 | Self-adaptive automobile headlamp projection device and method |
| WO2020211773A1 (en) * | 2019-04-15 | 2020-10-22 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Communication system between electronic devices, method of communication between electronic devices, and electronic device |
| WO2021134845A1 (en) * | 2019-12-31 | 2021-07-08 | 华域视觉科技(上海)有限公司 | Illumination detection module |
| CN114056224A (en) * | 2020-08-07 | 2022-02-18 | 比亚迪股份有限公司 | Control method of vehicle headlamp and vehicle |
| DE102021201355A1 (en) | 2020-12-09 | 2022-06-09 | Deere & Company | METHOD OF COMMUNICATION BETWEEN WORK MACHINES USING LI-FI COMMUNICATION PROTOCOL |
| CN114750680A (en) * | 2022-04-21 | 2022-07-15 | 成都赛力斯科技有限公司 | System and method for controlling communication of vehicle lamp |
| CN114879535A (en) * | 2022-07-06 | 2022-08-09 | 苏州清研精准汽车科技有限公司 | Transmission visual field infrared transmission vehicle simulation system and realization platform |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1640721A (en) * | 2003-06-30 | 2005-07-20 | 赵立 | Automatic dimming device of front headlamp for motor vehicle |
| CN101428584A (en) * | 2008-12-18 | 2009-05-13 | 刘云峰 | Automotive far-reaching headlamp control device |
| CN104648230A (en) * | 2015-02-09 | 2015-05-27 | 王平安 | Automatic light changing system and automatic light changing method for meeting of automotive vehicles at night |
| CN204915444U (en) * | 2015-08-12 | 2015-12-30 | 艾力·阿吾提 | Far and near fiber lamp automatic switching control equipment of car |
-
2016
- 2016-07-20 CN CN201610574909.7A patent/CN106043104B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1640721A (en) * | 2003-06-30 | 2005-07-20 | 赵立 | Automatic dimming device of front headlamp for motor vehicle |
| CN101428584A (en) * | 2008-12-18 | 2009-05-13 | 刘云峰 | Automotive far-reaching headlamp control device |
| CN104648230A (en) * | 2015-02-09 | 2015-05-27 | 王平安 | Automatic light changing system and automatic light changing method for meeting of automotive vehicles at night |
| CN204915444U (en) * | 2015-08-12 | 2015-12-30 | 艾力·阿吾提 | Far and near fiber lamp automatic switching control equipment of car |
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018106433A1 (en) | 2017-03-21 | 2018-09-27 | Varroc Lighting Systems, s.r.o. | Communication device of a motor vehicle |
| DE102018106433B4 (en) | 2017-03-21 | 2022-03-10 | Varroc Lighting Systems, s.r.o. | Communication device of a motor vehicle |
| US11037004B2 (en) | 2017-03-21 | 2021-06-15 | Varroc Lighting Systems, s.r.o. | Communication device of a motor vehicle |
| WO2018176362A1 (en) * | 2017-03-31 | 2018-10-04 | Intel Corporation | Lighting control for a computer assisted vehicle |
| US10894505B2 (en) | 2017-03-31 | 2021-01-19 | Intel Corporation | Lighting control for a computer assisted vehicle |
| CN108569191A (en) * | 2017-04-19 | 2018-09-25 | 常州星宇车灯股份有限公司 | A kind of pixel type self-adapted car headlamp control system based on DLP |
| CN108107893A (en) * | 2017-12-22 | 2018-06-01 | 上海理工大学 | Intelligent automobile based on LiFi communications |
| CN108278573A (en) * | 2018-01-05 | 2018-07-13 | 张轹冰 | A kind of scanning type laser car light adaptively illuminated |
| CN108399792A (en) * | 2018-01-25 | 2018-08-14 | 北京墨丘科技有限公司 | A kind of automatic driving vehicle preventing collision method, device and electronic equipment |
| CN108399792B (en) * | 2018-01-25 | 2021-06-29 | 北京墨丘科技有限公司 | Unmanned vehicle avoidance method and device and electronic equipment |
| CN108674298A (en) * | 2018-03-23 | 2018-10-19 | 常州星宇车灯股份有限公司 | A kind of car lamp control system showing information of vehicles |
| CN108571698A (en) * | 2018-03-23 | 2018-09-25 | 常州星宇车灯股份有限公司 | A kind of illumination and communication device based on laser |
| US11245829B2 (en) | 2018-03-29 | 2022-02-08 | Varroc Lighting Systems, s.r.o. | Communication device of a motor vehicle, a motor vehicle lighting device for the communication device of a motor vehicle and a Car2Car or Car2X communication method for a motor vehicle |
| DE102019106901A1 (en) | 2018-03-29 | 2019-10-02 | Varroc Lighting Systems, s.r.o. | Communication device of a motor vehicle, illumination device of a motor vehicle for the communication device of a motor vehicle and method for car2car or car2X communication of a motor vehicle |
| CN108449136A (en) * | 2018-03-30 | 2018-08-24 | 厦门盈趣汽车电子有限公司 | Information communication system based on car bulb |
| WO2020211773A1 (en) * | 2019-04-15 | 2020-10-22 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Communication system between electronic devices, method of communication between electronic devices, and electronic device |
| CN111835416A (en) * | 2019-04-15 | 2020-10-27 | Oppo广东移动通信有限公司 | Communication system and method between electronic devices and electronic device |
| US10965374B2 (en) | 2019-04-15 | 2021-03-30 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Communication system between electronic devices, method of communication between electronic devices, and electronic device |
| CN110816398B (en) * | 2019-10-09 | 2021-06-18 | 华中科技大学 | Self-adaptive automobile headlamp projection device and method |
| CN110816398A (en) * | 2019-10-09 | 2020-02-21 | 华中科技大学 | Self-adaptive automobile headlamp projection device and method |
| WO2021134845A1 (en) * | 2019-12-31 | 2021-07-08 | 华域视觉科技(上海)有限公司 | Illumination detection module |
| CN114056224A (en) * | 2020-08-07 | 2022-02-18 | 比亚迪股份有限公司 | Control method of vehicle headlamp and vehicle |
| DE102021201355A1 (en) | 2020-12-09 | 2022-06-09 | Deere & Company | METHOD OF COMMUNICATION BETWEEN WORK MACHINES USING LI-FI COMMUNICATION PROTOCOL |
| US11752926B2 (en) | 2020-12-09 | 2023-09-12 | Deere & Company | Method of communicating between work machines using li-fi communication protocol |
| CN114750680A (en) * | 2022-04-21 | 2022-07-15 | 成都赛力斯科技有限公司 | System and method for controlling communication of vehicle lamp |
| CN114750680B (en) * | 2022-04-21 | 2024-04-12 | 重庆赛力斯凤凰智创科技有限公司 | System and method for controlling communication of car lamp |
| CN114879535A (en) * | 2022-07-06 | 2022-08-09 | 苏州清研精准汽车科技有限公司 | Transmission visual field infrared transmission vehicle simulation system and realization platform |
| CN114879535B (en) * | 2022-07-06 | 2022-09-27 | 苏州清研精准汽车科技有限公司 | Transmission visual field infrared transmission vehicle simulation system and realization platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106043104B (en) | 2019-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106043104B (en) | A kind of automobile lighting system and its car lighting signal device based on LiFi and DLP | |
| CN106059666A (en) | Automobile driving data interaction system based on LiFi (Light Fidelity) and vehicle signal lighting device thereof | |
| CN205836647U (en) | A kind of car lighting advertiser based on LiFi and DLP | |
| Uysal et al. | Visible light communication for vehicular networking: Performance study of a V2V system using a measured headlamp beam pattern model | |
| CN106143283B (en) | Vehicular illumination device and vehicle including it | |
| Yu et al. | Smart automotive lighting for vehicle safety | |
| US7733464B2 (en) | Vehicle mounted night vision imaging system and method | |
| CN106788727A (en) | Vehicle-mounted VISIBLE LIGHT EMISSION system and reception system and communication network | |
| CN104768313B (en) | A kind of intelligence control system for vehicle head lamp | |
| CN103538519A (en) | Automobile near-infrared night vision system and control method thereof | |
| CN203605125U (en) | Head light device with controllable shielding function | |
| JP2014093700A (en) | Road-vehicle communication system and transmission/reception device | |
| EP2933553A1 (en) | Vehicle lighting tool unit | |
| CN108569196A (en) | A kind of intelligent vehicle head lamp lighting device based on SFV and DLP | |
| CN205847277U (en) | A kind of signals of vehicles illuminator based on LiFi | |
| CN205010094U (en) | Vehicle HUD system | |
| JP2020147183A (en) | Vehicular headlamp and method for controlling vehicular headlamp | |
| CN107226026A (en) | Near Infrared CCD night vision auxiliary lighting system based on DSP | |
| KR20150134793A (en) | Lamp for vehicle and controlling method foe the same | |
| US9573444B2 (en) | Automobile and anti-dazzling method for automobiles | |
| CN206522710U (en) | Matrix LED front lamp device based on reflection | |
| CN210899180U (en) | LED wireless optical communication data transmission system between front and rear vehicles | |
| JP2016146583A (en) | Imaging device, mobile apparatus control system and program | |
| JP2016200528A (en) | Object detection device, moving body-mounted equipment control system, and object detection program | |
| CN109969071A (en) | Vehicular high beam lamp and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee after: Hua Yu vision technology (Shanghai) Co., Ltd. Address before: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee before: Xiaoxi Car Lights Co., Ltd., Shanghai |