CN111251983A - Road condition prompting system and method and vehicle - Google Patents
Road condition prompting system and method and vehicle Download PDFInfo
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- CN111251983A CN111251983A CN202010130578.4A CN202010130578A CN111251983A CN 111251983 A CN111251983 A CN 111251983A CN 202010130578 A CN202010130578 A CN 202010130578A CN 111251983 A CN111251983 A CN 111251983A
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- 230000000694 effects Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
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- 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
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
- B60Q1/503—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking using luminous text or symbol displays in or on the vehicle, e.g. static text
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- 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
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
- B60Q1/52—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking for indicating emergencies
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- 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
- B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
- B60Q2400/20—Multi-color single source or LED matrix, e.g. yellow blinker and red brake lamp generated by single lamp
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention belongs to the field of automobile active safety, and discloses a road condition prompting system, a road condition prompting method and a vehicle, wherein the system comprises an interactive control module and a lamp end execution module; the interactive control module is used for monitoring the front road condition in real time and generating an interactive prompt image for prompting a rear vehicle based on the front road condition; the lamp end execution module is used for displaying the interactive prompting image to the rear vehicle in a graphic and text mode so as to prompt the front road condition to the rear vehicle in real time. The invention can avoid rear-end collision when unfavorable road conditions appear suddenly, greatly enhances the driving safety and improves the active safety performance of the automobile.
Description
Technical Field
The invention relates to a road condition prompting system, a road condition prompting method and a vehicle, and belongs to the field of automobile active safety.
Background
The traditional automobile signal lamp has the early warning functions of ensuring driving safety, such as outline indication, braking reminding, steering reminding, backing reminding, foggy weather warning and the like, and can basically ensure the driving safety under normal traffic conditions and weather conditions.
With the increase of the automobile holding capacity, the road conditions become more crowded and complex, even though the drivers keep good driving styles, the drivers cannot completely avoid the safety threats to the own parties due to the errors of other traffic participants, and it is necessary to effectively avoid the driving safety hidden troubles caused by bad driving habits/styles by early warning through safety enhanced signal lamps.
At present, the automobile signal lamps for indicating the abnormal conditions or the driving state changes of the automobile mainly comprise a yellow light danger warning signal lamp and a red light emergency braking lamp, which can indicate various conditions such as abnormal vehicle occurrence, poor sight condition and cautious and slow driving, but the expression form is relatively single, and the different warning meanings are distinguished only by the light color, so that the comprehension ambiguity is easily caused, and when the traffic participants misunderstand, the driving safety accidents are easily caused.
Particularly, when the vehicle encounters an unfavorable special road condition and/or warning point where the front suddenly becomes a hindrance to normal traffic during driving, such as a sudden and severe congestion in the front, and more seriously, the congestion may occur at a sharp curve, and in this case, for safety, a sudden brake and/or a sudden turn is generally required, but such an operation may cause sudden failure of the following vehicle, and the vehicle may have a risk of rear-end collision with an adjacent lane or the following vehicle in the vehicle lane, which may cause the vehicle to miss each other.
Disclosure of Invention
The invention aims to provide a road condition prompting system, a road condition prompting method and a vehicle, when the vehicle encounters a sudden unfavorable road condition in front, prompt information of the unfavorable road condition is clearly transmitted to a rear vehicle in a mode of combining pictures and texts before an emergency countermeasure is taken, so that a rear vehicle driver can obtain the driving intention of the vehicle unambiguously and then take safety precautionary measures in time, rear-end accidents are effectively prevented, and the driving safety is improved.
In order to achieve the above object, a first aspect of the present invention provides a road condition prompting system, which includes an interactive control module and a lamp end execution module; the interactive control module is used for monitoring the front road condition in real time and generating an interactive prompt image for prompting a rear vehicle based on the front road condition; the lamp end execution module is used for displaying the interactive prompting image to the rear vehicle in a graphic and text mode so as to prompt the front road condition to the rear vehicle in real time.
Further, the interaction control module comprises: the sensing unit is used for acquiring the road condition in front; the information acquisition unit is used for acquiring the front road condition acquired by the sensing unit; the interactive control unit is used for generating the interactive prompt image based on the front road condition transmitted by the information acquisition unit; and the image output unit is used for transmitting the interactive prompt image to the lamp end execution module.
Further, the lamp end execution module includes: the image acquisition unit is used for receiving the interactive prompt image; the pixel distribution unit is used for decomposing the interactive prompt image into the brightness value of each pixel of the signal lamp according to the pixel layout of the signal lamp; a signal lamp including a plurality of driving units and a plurality of multi-pixel light emitting element arrays; each driving unit is electrically connected to each light emitting element array in a one-to-one correspondence, and each driving unit lights each pixel of each light emitting element array based on each brightness value.
Further, the front road conditions include sharp curves, continuous curves, steep slopes, narrowing of the front, lane reduction in the front, congestion in the front, school in the front, village in the front, construction in the front, and speed limit in the front.
Further, the light emitting element array includes a plurality of independent light emitting units, the independent light emitting units being one of self-luminous LED chips, a combination of self-luminous LED chips and optical parts, and a liquid crystal display; in the combination of the self-luminous LED chip and the optical part, the irradiation brightness and the irradiation range of light emitted by the self-luminous LED chip are adjusted through the optical part.
Further, the optical component is one of a lens, a condenser and an inner lens.
The second aspect of the present invention provides a road condition prompting method, which is characterized by comprising the following steps: (1) acquiring a front road condition; (2) and generating an interactive prompt image according to the front road condition, and displaying the interactive prompt image to the rear vehicle in a graphic and text manner so as to prompt the front road condition to the rear vehicle in real time.
Further, the front road conditions include sharp curves, continuous curves, steep slopes, narrowing of the front, lane reduction in the front, congestion in the front, school in the front, village in the front, construction in the front, and speed limit in the front.
Further, the front road condition information is acquired through an image acquisition system or extracted from a navigation map.
A third aspect of the present invention provides a vehicle, including the traffic prompting system according to any one of the first aspect, and adapted to execute the traffic prompting method according to any one of the second aspect through the traffic prompting system.
By the technical scheme, the front road condition is monitored in real time, the array signal lamps are used for displaying interactive prompt images for indicating the front road condition, the prompt information of the front road condition such as 'front congestion', 'sharp curves' and 'speed limit 60' is transmitted to the rear vehicle in a graphic and text mode, the graphic prompt intention with definite meanings is definite, the graphic warning meaning with characters is more definite, the understanding ambiguity caused by the cognitive deviation of the rear vehicle driver can be effectively avoided, the rear vehicle driver can timely learn the unfavorable special road condition and/or warning points which are suddenly appeared in front and obstruct normal traffic, safety precautionary measures such as braking can be taken at the first time after the prompt information is seen, the safety of the rear-end collision of the rear vehicle and the rear-end collision risk of the rear vehicle can be killed in a bud state, the driving safety is greatly enhanced, and the active safety performance of the vehicle is.
Additional features and advantages of embodiments of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention without limiting the embodiments of the invention. In the drawings:
FIG. 1 is a functional block diagram of an embodiment of the system of the present invention;
FIG. 2 is a schematic block diagram of another embodiment of the system of the present invention;
FIG. 3 is a schematic diagram of a single light emitting device array according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a structure of a plurality of light emitting device array assemblies in accordance with an embodiment of the present invention;
FIG. 5 is a first exemplary diagram of an interactive hint image in one embodiment of a system or method of the present invention;
FIG. 6 is a diagram of an example of an interactive hint image in an embodiment of a system or method of the present invention;
FIG. 7 is a third exemplary diagram of an interactive hint image in an embodiment of a system or method of the present invention;
FIG. 8 is a diagram of an exemplary interactive tips image in an embodiment of a system or method of the present invention;
FIG. 9 is a flowchart of an embodiment of a method of the present invention.
Description of the reference numerals
A light source 1; a condenser 2; a connecting plate 3.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the invention, are given by way of illustration and explanation only, not limitation.
As shown in fig. 1, an embodiment of the road condition prompting system of the present invention includes an interactive control module and a lamp end execution module; the interactive control module is used for monitoring the front road condition in real time and generating an interactive prompt image for prompting a rear vehicle based on the front road condition; the lamp end execution module is used for displaying the interactive prompting image to the rear vehicle in a graphic and text mode so as to prompt the front road condition to the rear vehicle in real time. The interactive control module monitors whether special road conditions obstructing normal traffic of vehicles exist in front in real time, specifically, the special road conditions comprise sharp curves, continuous curves, steep slopes, front narrowing, front lane reduction, front congestion, front schools, front villages, front construction, front speed limit and the like, when the vehicle encounters one of the special road conditions suddenly appearing in front during driving, the interactive control module generates an interactive prompt image for prompting a rear vehicle based on the specific special road condition information, and displays the interactive prompt image to the rear vehicle through the lamp end execution module in a graphic and text manner, so that a rear vehicle driver can timely learn the unfavorable special road conditions obstructing normal traffic suddenly appearing in front, safety precautionary measures such as braking can be taken at the first time after the prompt information is seen, the safety precautionary measures and the risks of rear end of the vehicle are killed in a bud state, and the driving safety is greatly enhanced, the active safety performance of the automobile is improved. The information displayed by the interactive prompting image has clear meaning and aims to prompt the following vehicles: the front of the vehicle suddenly shows special road conditions, the vehicle is about to take emergency collision avoidance measures such as emergency braking and the like, and please take preventive measures such as deceleration and the like to prevent the vehicle from rear-end collision. Therefore, the reaction time is reserved for the rear vehicle in advance before the vehicle takes emergency operation such as emergency braking, and the rear vehicle is prevented from being too late. After the driver of the rear vehicle sees the interactive prompt image, corresponding speed reduction and collision avoidance measures are also taken, so that the rear vehicle and the vehicle can basically take the collision avoidance measures synchronously, the vehicle speed is reduced to a safe area in a short time, and traffic accidents are effectively avoided.
Specifically, as shown in fig. 2, the interaction control module includes: the sensing unit is used for acquiring the road condition in front, and specifically comprises a camera and an image processing unit, wherein the camera shoots an image, and the image processing unit detects, extracts and identifies the road traffic sign in the image; the information acquisition unit is used for acquiring the front road condition acquired by the sensing unit or acquiring the speed limit information and the special road information of the front road integrated in a navigation map from a central control through a vehicle body bus such as a CAN (controller area network); the interactive control unit is used for generating the interactive prompt image based on the front road condition transmitted by the information acquisition unit; and the image output unit is used for transmitting the interactive prompt image to the lamp end execution module.
Specifically, as shown in fig. 2, the lamp end executing module includes: the image acquisition unit is used for receiving the interactive prompt image; the pixel distribution unit is used for decomposing the interactive prompt image into the brightness value of each pixel of the signal lamp according to the pixel layout of the signal lamp; a signal lamp including a plurality of driving units and a plurality of multi-pixel light emitting element arrays; each driving unit is electrically connected to each light emitting element array in a one-to-one correspondence, and each driving unit lights each pixel of each light emitting element array based on each brightness value. In fig. 2, there are N driving units and N light emitting device arrays, where one driving unit corresponds to one light emitting device array, each driving unit has M control signal output ends, the specific value of M is the same as the number of independent light emitting units in the corresponding light emitting device array, and one control signal controls one independent light emitting unit.
Specifically, the light emitting element array includes a plurality of independent light emitting units, which are one of self-luminous LED chips, a combination of self-luminous LED chips and optical parts, and a liquid crystal display; in the combination of the self-luminous LED chip and the optical part, the illumination brightness and the illumination range of light emitted by the self-luminous LED chip are adjusted through the optical part; wherein, the optical part is one of a lens, a condenser and an inner lens. As shown in fig. 3, the light emitting element array includes 9 independent light emitting units arranged in three rows and three columns, each independent light emitting unit includes a light source 1 and a condenser 2, the independent light emitting units are connected to form a matrix light emitting element array through a connection board 3, and the light source 1 can select LEDs. In this embodiment, light emitted by the LED is emitted through the condenser 2, specifically, the condenser 2 includes an incident surface, a light guide pillar, a light emitting pillar, and an emitting surface, and the light emitted by the LED sequentially enters the light guide pillar and the light emitting pillar through the incident surface and is finally emitted through the emitting surface. The light emitted by the LED can be focused on a fixed area after being optically processed by the condenser 2, and sufficient brightness is provided, so that a driver of a rear vehicle can easily identify the light at a longer distance. As an alternative, the condenser 2 may be replaced with a lens or an inner lens, both of which can focus light emitted from the LED on a fixed area and provide sufficient brightness, depending on the actual use environment. The light emitting color of the light source 1 can be preset, or a multicolor light source is selected, and the light emitting color is selected according to actual needs through field control.
A practical signal lamp comprises a plurality of arrays of light-emitting elements as shown in fig. 3, i.e. an array (which may be considered a large array) consisting of a plurality of arrays of light-emitting elements (which may be considered small arrays), and as shown in fig. 4, a large array consisting of four small arrays, for a total of 36 individual light-emitting units. If the large array shown in fig. 4 constitutes a complete signal light display unit and it is necessary to display the word "slow", then the following independent light emitting units in the large array are lit simultaneously (the first column on the left and the first row on the top): the display device comprises a first row, a third row, a second row, a third row, a fourth row, a sixth row, a first row, a second row, a third row, a fourth row, a fifth row, a first row, a second row, a third row, a fourth row, a sixth row, a fifth row, a second row, a third row, a fourth row, a fifth row and a sixth row.
It should be noted that the lighting form of the signal lamp is not limited, and includes, but is not limited to, flashing, animation, and still images.
As an alternative, the independent light emitting units in fig. 3 and 4 may be self-luminous LED chips or liquid crystal displays, and the control modes of the two independent light emitting units are the same as the control modes of the independent light emitting units in the form of the combination of the self-luminous LED chips and the optical components, so that the display functions are also the same, except that the brightness and the definition of the finally displayed image are different, and the description is omitted here.
Specifically, the interactive prompt image comprises a text part and/or a graphic part; wherein, the character part comprises 'front congestion' or 'slow speed slow running' or short expressions thereof, such as 'congestion', 'slow speed', etc.; the graphical section includes a cue flag. In actual use, the interactive prompt image can only have a text part; or may have only graphical portions, as shown in FIGS. 5-8; it is also possible to have both text and graphic portions. Of course, the graphics are not limited to illustrations and may be any hinted symbols with definite meanings.
In order to provide a significant warning effect, the text part and/or the graphic part are displayed in the following forms:
1. the flicker effect and the flicker frequency can be adjusted at will.
2. The variable rhythm flickering effect, the flickering of the fast and slow frequencies can be combined arbitrarily to form a variable rhythm flickering effect, for example, a period of time of long extinguishing after 3 times of flashing is used as a display period, or 3 times of flashing is used as a display period.
3. The breathing effect/fade-in/fade-out effect, 4 process times of a breathing cycle can be adjusted respectively, including the time when the icon gradually appears, the time when the icon is normally on, the time when the icon gradually disappears, and the time when the icon is normally off.
4. The dynamic change frequency is changed in a self-adaptive mode, and the flashing speed can be adjusted in a self-adaptive mode according to the warning emergency level aiming at various flashing or breathing effects, for example, the flashing speed can be adjusted in a self-adaptive mode according to the very emergency warning, and the flashing speed can be adjusted in a self-adaptive mode to be the flashing speed of the slow frequency under the condition that the warning is not very emergency relatively.
5. A water effect, an effect in which an image gradually appears/disappears in a predetermined direction.
6. Animation effects such as those of a small person running, those of image rotation/enlargement/reduction, and the like.
7. stereoscopic/3D effects.
As shown in fig. 9, an embodiment of the road condition prompting method of the present invention includes the following steps: s101, judging whether a front special road condition or speed limit signboard is sensed or not, or judging whether a special road condition or speed limit value from a navigation map is effective or not; if yes, continuing to step S102, otherwise, repeating step S101; s102, generating an interactive prompting image and displaying the interactive prompting image to the rear vehicle in a graphic and text mode. And continuously circulating the steps.
Specifically, when it is detected in step S101 that there is a special road condition or speed limit signboard in front of the vehicle, or that the special road condition or speed limit value from the navigation map is valid, an interactive prompt image is immediately generated and displayed to the rear vehicle in a pictorial manner. As shown in fig. 5-8, the prompting information such as "front narrowing", "front continuous curve", "front continuous downhill" and "front speed limit 60 km/h" is transmitted to the rear vehicle graphically and outstandingly, the graphic prompting meaning is clear, the understanding ambiguity caused by the cognitive deviation of the rear vehicle driver can be effectively avoided, the rear vehicle driver can take safety precautionary measures such as braking and the like at the first time after seeing the prompting information, the risk of the traffic accident is killed in the bud state, the driving safety is greatly enhanced, and the active safety performance of the vehicle is improved.
In the embodiment of the vehicle of the present invention, any embodiment of the road condition prompting system of the present invention may be included, and any embodiment of the road condition prompting method of the present invention may be executed, and the technical effects or advantages of any embodiment described above are achieved, and are not described herein again. These vehicles obviously have higher initiative security than the vehicle that only has traditional signal lamp, can integrate reminder system and traditional signal lamp, and the holistic volume of signal lamp can not grow, and initiative safety function has great promotion nevertheless.
Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the embodiments of the present invention are not limited to the details of the above embodiments, and various simple modifications can be made to the technical solutions of the embodiments of the present invention within the technical idea of the embodiments of the present invention, and the simple modifications all belong to the protection scope of the embodiments of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention do not describe every possible combination.
In addition, any combination of various different implementation manners of the embodiments of the present invention is also possible, and the embodiments of the present invention should be considered as disclosed in the embodiments of the present invention as long as the combination does not depart from the spirit of the embodiments of the present invention.
Claims (10)
1. A road condition prompting system is characterized by comprising an interactive control module and a lamp end execution module; the interactive control module is used for monitoring the front road condition in real time and generating an interactive prompt image for prompting a rear vehicle based on the front road condition; the lamp end execution module is used for displaying the interactive prompting image to the rear vehicle in a graphic and text mode so as to prompt the front road condition to the rear vehicle in real time.
2. A road condition prompting system as claimed in claim 1, wherein the interactive control module comprises:
the sensing unit is used for acquiring the road condition in front;
the information acquisition unit is used for acquiring the front road condition acquired by the sensing unit;
the interactive control unit is used for generating the interactive prompt image based on the front road condition transmitted by the information acquisition unit;
and the image output unit is used for transmitting the interactive prompt image to the lamp end execution module.
3. A road condition indicating system as claimed in claim 2, wherein the lamp end executing module comprises:
the image acquisition unit is used for receiving the interactive prompt image;
the pixel distribution unit is used for decomposing the interactive prompt image into the brightness value of each pixel of the signal lamp according to the pixel layout of the signal lamp;
a signal lamp including a plurality of driving units and a plurality of multi-pixel light emitting element arrays; each driving unit is electrically connected to each light emitting element array in a one-to-one correspondence, and each driving unit lights each pixel of each light emitting element array based on each brightness value.
4. A road condition prompting system as claimed in claim 1, wherein the front road condition includes sharp curves, continuous curves, steep slopes, narrowing of the front, lane reduction in the front, congestion in the front, school in the front, village in the front, construction in the front and speed limit in the front.
5. A road condition indicating system as claimed in claim 3, wherein the light emitting element array comprises a plurality of independent light emitting units, and the independent light emitting units are one of self-luminous LED chips, a combination of self-luminous LED chips and optical components, and a liquid crystal display; in the combination of the self-luminous LED chip and the optical part, the irradiation brightness and the irradiation range of light emitted by the self-luminous LED chip are adjusted through the optical part.
6. A road condition warning system as claimed in claim 6, wherein the optical component is one of a lens, a condenser and an inner lens.
7. A road condition prompting method is characterized by comprising the following steps:
(1) acquiring a front road condition;
(2) and generating an interactive prompt image according to the front road condition, and displaying the interactive prompt image to the rear vehicle in a graphic and text manner so as to prompt the front road condition to the rear vehicle in real time.
8. A method as claimed in claim 7, wherein the front road conditions include sharp curves, continuous curves, steep slopes, narrowing of the front, lane reduction in the front, congestion in the front, school in the front, village in the front, construction in the front, and speed limit in the front.
9. A road condition prompting method according to claim 7 or 8, characterized in that the front road condition information is acquired by an image acquisition system or extracted from a navigation map.
10. A vehicle comprising the road condition indicating system of any one of claims 1 to 6, and being adapted to execute the road condition indicating method of any one of claims 7 to 9 by the road condition indicating system.
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| CN202010130578.4A CN111251983A (en) | 2020-02-28 | 2020-02-28 | Road condition prompting system and method and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824010A (en) * | 2020-07-28 | 2020-10-27 | 传周半导体科技(上海)有限公司 | Vehicle-mounted display device and manufacturing method thereof |
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