A processing device and method for domain controller integrated with under-screen fingerprint recognition
By integrating domain controller and under-screen fingerprint recognition technology in the on-board terminal, the problem that in-car terminals in the existing technology needs to obtain login or payment information through external terminals, and fast and secure user identity authentication and login are achieved, improving the User efficiency and reduce system costs.
Patent Information
- Application Number
- CN202010672677.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-07-14
- Publication Date
- 2025-02-21
- Estimated Expiration
- 2040-07-14
AI Technical Summary
In the prior art, vehicle-mounted terminals need to obtain login or payment information through external terminals, which limits the scope of automobile usage scenarios and increases system costs.
By integrating domain controller and under-screen fingerprint recognition technology in the on-board terminal, users can quickly obtain user identity authentication information and communicate with the cloud backend through the digital cockpit domain controller to realize login and payment functions.
It realizes fast and secure user identity authentication and login, improves user efficiency, reduces system costs, and does not affect the interior design of the car.
Smart Images

Figure CN113936127B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of vehicle-mounted terminals, and in particular to a processing device and method for domain controller-integrated under-screen fingerprint recognition. Background Art
[0002] With the popularity of car networking, car owners often connect to the Internet through the Internet of Things and log in to various platforms to obtain services when using their cars. The action of "logging in" needs to be fast, safe, beautiful and generous, while trying to avoid increasing the cost of the car.
[0003] In some existing solutions, it is necessary to use an external terminal (such as a mobile terminal) to obtain login or payment information, and then send the login or payment information to the vehicle terminal, and then send it to the charging end through the networking function of the vehicle terminal. In this process, the introduction of terminals other than the car directly limits the scope of the car's usage scenarios and increases the cost of the entire system solution. Summary of the invention
[0004] The technical problem to be solved by the present invention is to provide a processing device and method for integrating domain controller with under-screen fingerprint recognition, which can quickly obtain the user's identity authentication information for authentication through the under-screen fingerprint recognition technology, and log in to various cloud backends through the networking capability of the digital cockpit domain controller to improve user efficiency.
[0005] In order to solve the above technical problems, as one aspect of the present invention, a processing device for integrating a domain controller with an under-screen fingerprint recognition is provided, comprising a central control display screen and a domain controller arranged at a vehicle end; the domain controller communicates with a remote cloud backend, wherein:
[0006] The central control display screen includes: a display screen module, a fingerprint recognition sensor integrated under the display screen module, an encryption conversion circuit connected to the fingerprint recognition sensor, and a first video codec chip connected between the encryption conversion circuit and the display screen module;
[0007] The domain controller comprises:
[0008] A second video codec chip connected to the first video codec chip;
[0009] A SOC chip connected to the second video codec chip;
[0010] A security encryption chip connected to the SOC chip;
[0011] A secure data storage device connected to the secure encryption chip;
[0012] The Internet of Vehicles communication module has one end connected to the SOC chip and the other end communicating with the cloud backend;
[0013] The DSP chip has one end connected to the SOC chip and the other end connected to a speaker.
[0014] The second video codec chip is connected to the first video codec chip via a coaxial cable.
[0015] Among them, a fingerprint pressing area is marked on the central control display screen.
[0016] Wherein: the fingerprint recognition sensor is used to collect fingerprint patterns and form fingerprint information in SPI format;
[0017] The encryption conversion circuit is used to encrypt the fingerprint information in the SPI format formed by the fingerprint recognition sensor to form an LVDS signal;
[0018] The first video codec chip is used to encode the LVDS signal and send it to the second video codec chip, and to decode the information from the second video codec chip and send it to the display module;
[0019] The second video codec chip is used to decode the data from the first video codec chip and send it to the SOC chip, and to encode the data forwarded by the SOC chip and send it to the first video codec chip;
[0020] The security encryption chip is used to receive the LVDS signal forwarded by the SOC chip, and compare and verify it with the reserved fingerprint information stored in the secure data storage after decryption processing; after the verification is passed, the login or payment information stored in the secure data storage is obtained and sent to the SOC chip;
[0021] The Internet of Vehicles communication module is used to send the login or payment information forwarded by the SOC chip to the cloud backend and receive the processing results from the cloud backend.
[0022] Accordingly, as another aspect of the present invention, a method for processing a domain controller integrated with an under-screen fingerprint recognition is also provided, which is implemented in the aforementioned device and comprises the following steps:
[0023] Step S10, a fingerprint recognition sensor integrated under the display screen module of the central control display screen collects the user's fingerprint data;
[0024] Step S11, the display screen module converts the fingerprint data into a format and sends it to the domain controller;
[0025] Step S12, the domain controller compares the collected fingerprint data with the reserved fingerprint information to perform security authentication;
[0026] Step S13, after the domain controller is successfully authenticated, the domain controller sends the login information or payment information to the cloud backend through the Internet of Vehicles communication module for login or payment;
[0027] Step S14: The domain controller receives the cloud login or payment result and feeds it back to the user through the speaker and / or the central control display.
[0028] Wherein, the step S10 further comprises:
[0029] Step S100, the central control display screen displays a fingerprint recognition pressing area at a predetermined position;
[0030] Step S101 : the fingerprint recognition sensor collects fingerprint data of the user in response to the user pressing the pressing area.
[0031] Wherein, the step S11 further comprises:
[0032] Step S110, the fingerprint recognition sensor processes the collected fingerprint data, converts it into fingerprint data in SPI format, and sends it to the encryption conversion circuit;
[0033] Step S111, the encryption conversion circuit encrypts the fingerprint data in the SPI format, converts it into fingerprint data in the LVDS format, and sends it to the first video codec chip;
[0034] Step S112: the first video codec chip encodes the fingerprint data and control signal in the LVDS format and sends them to the second video codec chip on the domain controller side.
[0035] Wherein, the step S12 further comprises:
[0036] Step S120, the second video codec chip decodes the fingerprint data in LVDS format and forwards it to the full encryption chip through the SOC chip;
[0037] Step S121, the security encryption chip decrypts the fingerprint data in the LVDS format, calls the fingerprint data reserved by the customer in the security data storage, and verifies the decrypted fingerprint data with the reserved fingerprint data;
[0038] Step S122, after the verification is passed, the security encryption chip calls the login information or payment information of the cloud backend in the corresponding scenario in the security data storage;
[0039] Step S123, the security encryption chip encrypts the login information or the login information.
[0040] Wherein, the step S13 further comprises:
[0041] Step S130, the security encryption chip forwards the verification result and the encrypted login information or payment information to the Internet of Vehicles communication module through the SOC chip;
[0042] In step S131, the Internet of Vehicles communication module sends the encrypted login information to the cloud backend for authentication.
[0043] Wherein, the step S14 further comprises:
[0044] Step S140, the Internet of Vehicles communication module receives the result of successful login or successful payment fed back by the cloud backend after authenticating the login information;
[0045] Step S141, the Internet of Vehicles communication module sends the result to the SOC chip, and the SOC chip controls the DSP to output corresponding audio data;
[0046] Step S142: The SOC chip generates a picture indicating successful login or successful payment, and forwards the picture data to the central control display screen for display.
[0047] The implementation of the embodiments of the present invention has the following beneficial effects:
[0048] The present invention provides a processing device and method for integrating under-screen fingerprint recognition with a domain controller. Through the under-screen fingerprint recognition technology, the user's identity authentication information can be quickly obtained for authentication, and through the networking capability of the digital cockpit domain controller, various cloud backends can be logged in to provide users with various professional services. Among them, the use of under-screen fingerprint recognition can ensure a beautiful appearance without taking up too much space; by selecting a secure encryption chip and a dedicated secure data storage device, the security of the login information can be guaranteed;
[0049] In the embodiment of the present invention, a security conversion circuit is added to convert the SPI signal of the fingerprint data into an LVDS signal, and the conventional coaxial line is multiplexed to output it to the domain controller, thereby avoiding the problems caused by connecting a separate SPI line to the domain controller. The present invention can provide automobile users with fast and safe Internet of Vehicles services without affecting the interior design of the automobile, and at the same time, no major changes are made to the relevant electrical architecture of the entire vehicle.
[0050] In the embodiment of the present invention, the original components in the current automobile electrical architecture are reused as much as possible to ensure that the modification of the automobile upgrade is small and the cost involved is low. BRIEF DESCRIPTION OF THE DRAWINGS
[0051] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, without paying creative labor, other drawings obtained based on these drawings still belong to the scope of the present invention.
[0052] Figure 1 A schematic diagram of the structure of an embodiment of a processing device for integrating domain controller with under-screen fingerprint recognition provided by the present invention;
[0053] Figure 2 A schematic diagram of the main process of an embodiment of a method for processing domain controller integrated with under-screen fingerprint recognition provided by the present invention;
[0054] Figure 3 yes Figure 2 Detailed step diagram of step S11;
[0055] Figure 4 yes Figure 2 Detailed step diagram of step S12;
[0056] Figure 5 yes Figure 2 Detailed step diagram of step S14 in FIG. DETAILED DESCRIPTION
[0057] In order to make the objectives, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings.
[0058] like Figure 1 The figure shows a schematic diagram of the structure of an embodiment of a processing device for integrating a domain controller with an under-screen fingerprint recognition provided by the present invention. In this embodiment, the device includes: a central control display screen and a domain controller arranged at the vehicle end; the domain controller communicates with a remote cloud backend, and the domain controller is a digital cockpit controller of the vehicle, wherein:
[0059] The central control display screen includes: a display screen module, a fingerprint recognition sensor integrated under the display screen module, an encryption conversion circuit connected to the fingerprint recognition sensor, and a first video codec chip connected between the encryption conversion circuit and the display screen module; in a specific example, the fingerprint sensor sensing method is not limited to optical, capacitive, and ultrasonic.
[0060] The domain controller comprises:
[0061] A second video codec chip connected to the first video codec chip;
[0062] A SOC chip connected to the second video codec chip;
[0063] A security encryption chip connected to the SOC chip;
[0064] A secure data storage device connected to the secure encryption chip;
[0065] The Internet of Vehicles communication module has one end connected to the SOC chip and the other end communicating with the cloud backend;
[0066] The DSP chip has one end connected to the SOC chip and the other end connected to a speaker.
[0067] The second video codec chip is connected to the first video codec chip via a coaxial cable.
[0068] Among them, a fingerprint pressing area is marked on the central control display screen. Specifically, the central control display screen displays the fingerprint recognition pressing area at a designated position to guide the user to press the registered finger.
[0069] Wherein: the fingerprint recognition sensor is used to collect fingerprint patterns and form fingerprint information in SPI format;
[0070] The encryption conversion circuit is used to encrypt the fingerprint information in the SPI format formed by the fingerprint recognition sensor to form an LVDS signal;
[0071] The first video codec chip is used to encode the LVDS signal and send it to the second video codec chip, and to decode the information from the second video codec chip and send it to the display module;
[0072] The second video codec chip is used to decode the data from the first video codec chip and send it to the SOC chip, and to encode the data forwarded by the SOC chip and send it to the first video codec chip;
[0073] The security encryption chip is used to receive the LVDS signal forwarded by the SOC chip, and compare and verify it with the reserved fingerprint information stored in the secure data storage after decryption processing; after the verification is passed, the login or payment information stored in the secure data storage is obtained and sent to the SOC chip;
[0074] The IoV communication module is used to send the login or payment information forwarded by the SOC chip to the cloud backend and receive the processing results from the cloud backend. The IoV communication module can connect to networks other than 4G and 5G networks and is used to authenticate and verify information with various service cloud backends.
[0075] like Figure 2 As shown, a main flow diagram of an embodiment of a processing method for integrating under-screen fingerprint recognition with a domain controller provided by the present invention is shown; Figure 3-Figure 5 As shown, in this embodiment, the domain controller integrates the processing method of the fingerprint recognition under the screen, which is described in the above Figure 1 The device described is implemented in the following steps:
[0076] Step S10, a fingerprint recognition sensor integrated under the display screen module of the central control display screen collects the user's fingerprint data;
[0077] Step S11, the display screen module converts the fingerprint data into a format and sends it to the domain controller;
[0078] Step S12, the domain controller compares the collected fingerprint data with the reserved fingerprint information to perform security authentication;
[0079] Step S13, after the domain controller is successfully authenticated, the domain controller sends the login information or payment information to the cloud backend through the Internet of Vehicles communication module for login or payment;
[0080] Step S14: The domain controller receives the cloud login or payment result and feeds it back to the user through the speaker and / or the central control display.
[0081] Specifically, in a practical example, the step S10 further includes:
[0082] Step S100, the central control display screen displays a fingerprint recognition pressing area at a predetermined position;
[0083] Step S101 : the fingerprint recognition sensor collects fingerprint data of the user in response to the user pressing the pressing area.
[0084] Wherein, the step S11 further comprises:
[0085] Step S110, the fingerprint recognition sensor processes the collected fingerprint data, converts it into fingerprint data in SPI format, and sends it to the encryption conversion circuit;
[0086] Step S111, the encryption conversion circuit encrypts the fingerprint data in the SPI format, converts it into fingerprint data in the LVDS format, and sends it to the first video codec chip;
[0087] Step S112: the first video codec chip encodes the fingerprint data and control signal in the LVDS format and sends them to the second video codec chip on the domain controller side.
[0088] Specifically, in a practical example, the step S12 further includes:
[0089] Step S120, the second video codec chip decodes the fingerprint data in LVDS format and forwards it to the full encryption chip through the SOC chip;
[0090] Step S121, the security encryption chip decrypts the fingerprint data in the LVDS format, calls the fingerprint data reserved by the customer in the security data storage, and verifies the decrypted fingerprint data with the reserved fingerprint data;
[0091] Step S122, after the verification is passed, the security encryption chip calls the login information or payment information of the cloud backend in the corresponding scenario in the security data storage;
[0092] Step S123, the security encryption chip encrypts the login information or the login information.
[0093] Specifically, in a practical example, the step S13 further includes:
[0094] Step S130, the security encryption chip forwards the verification result and the encrypted login information or payment information to the Internet of Vehicles communication module through the SOC chip;
[0095] In step S131, the Internet of Vehicles communication module sends the encrypted login information to the cloud backend for authentication.
[0096] Specifically, in a practical example, the step S14 further includes:
[0097] Step S140, the Internet of Vehicles communication module receives the result of successful login or successful payment fed back by the cloud backend after authenticating the login information;
[0098] Step S141, the Internet of Vehicles communication module sends the result to the SOC chip, and the SOC chip controls the DSP to output corresponding audio data;
[0099] Step S142: The SOC chip generates a picture indicating successful login or successful payment, and forwards the picture data to the central control display screen for display.
[0100] It can be understood that in the method provided by the present invention, the display screen module obtains fingerprint data through the under-screen fingerprint recognition sensor, securely encrypts the fingerprint data and feeds it back to the domain controller. After the domain controller parses and identifies the fingerprint data, it automatically obtains the corresponding login information for the user to log in to the designated cloud backend to complete identity authentication or payment and other services.
[0101] The implementation of the embodiments of the present invention has the following beneficial effects:
[0102] The present invention provides a processing device and method for integrating under-screen fingerprint recognition with a domain controller. Through the under-screen fingerprint recognition technology, the user's identity authentication information can be quickly obtained for authentication, and through the networking capability of the digital cockpit domain controller, various cloud backends can be logged in to provide users with various professional services. Among them, the use of under-screen fingerprint recognition can ensure a beautiful appearance without taking up too much space; by selecting a secure encryption chip and a dedicated secure data storage device, the security of the login information can be guaranteed;
[0103] In the embodiment of the present invention, a security conversion circuit is added to convert the SPI signal of the fingerprint data into an LVDS signal, and the conventional coaxial line is multiplexed to output it to the domain controller, thereby avoiding the problems caused by connecting a separate SPI line to the domain controller. The present invention can provide automobile users with fast and safe Internet of Vehicles services without affecting the interior design of the automobile, and at the same time, no major changes are made to the relevant electrical architecture of the entire vehicle.
[0104] In the embodiment of the present invention, the original components in the current automobile electrical architecture are reused as much as possible to ensure that the modification of the automobile upgrade is small and the cost involved is low.
[0105] It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as methods, devices, or computer program products. Therefore, the present invention may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.
[0106] The present invention is described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.
[0107] The above disclosure is only a preferred embodiment of the present invention, which certainly cannot be used to limit the scope of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope of the present invention.
Claims
1. A processing device for integrating domain controller with under-screen fingerprint recognition, characterized in that: It includes a central control display screen and a domain controller arranged at the vehicle end; the domain controller communicates with a remote cloud backend, wherein: The central control display screen includes: a display screen module, a fingerprint recognition sensor integrated under the display screen module, an encryption conversion circuit connected to the fingerprint recognition sensor, and a first video codec chip connected between the encryption conversion circuit and the display screen module; The domain controller comprises: A second video codec chip connected to the first video codec chip; A SOC chip connected to the second video codec chip; A security encryption chip connected to the SOC chip; A secure data storage device connected to the secure encryption chip; The Internet of Vehicles communication module has one end connected to the SOC chip and communicates with the cloud backend; The DSP chip has one end connected to the SOC chip and the other end connected to a speaker.
2. The device according to claim 1, characterized in that The second video codec chip is connected to the first video codec chip via a coaxial cable.
3. The device according to claim 2, characterized in that A fingerprint pressing area is marked on the central control display screen.
4. The device according to any one of claims 1 to 3, characterized in that in: The fingerprint recognition sensor is used to collect fingerprint patterns and form fingerprint information in SPI format; The encryption conversion circuit is used to encrypt the fingerprint information in the SPI format formed by the fingerprint recognition sensor to form an LVDS signal; The first video codec chip is used to encode the LVDS signal and send it to the second video codec chip, and to decode the information from the second video codec chip and send it to the display module; The second video codec chip is used to decode the data from the first video codec chip and send it to the SOC chip, and to encode the data forwarded by the SOC chip and send it to the first video codec chip; The security encryption chip is used to receive the LVDS signal forwarded by the SOC chip, and compare and verify it with the reserved fingerprint information stored in the secure data storage after decryption processing; after the verification is passed, the login or payment information stored in the secure data storage is obtained and sent to the SOC chip; The Internet of Vehicles communication module is used to send the login or payment information forwarded by the SOC chip to the cloud backend and receive the processing results from the cloud backend.
5. A method for processing a domain controller integrated with an under-screen fingerprint recognition, which is implemented in a device as claimed in any one of claims 1 to 4, characterized in that: The steps include: Step S10, a fingerprint recognition sensor integrated under the display screen module of the central control display screen collects the user's fingerprint data; Step S11, the display screen module converts the fingerprint data into a format and sends it to the domain controller; Step S12, the domain controller compares the collected fingerprint data with the reserved fingerprint information to perform security authentication; Step S13, after the domain controller is successfully authenticated, the domain controller sends the login information or payment information to the cloud backend through the Internet of Vehicles communication module for login or payment; Step S14: The domain controller receives the cloud login or payment result and feeds it back to the user through the speaker and / or the central control display.
6. The method according to claim 5, characterized in that The step S10 further comprises: Step S100, the central control display screen displays a fingerprint recognition pressing area at a predetermined position; Step S101 : the fingerprint recognition sensor collects fingerprint data of the user in response to the user pressing the pressing area.
7. The method according to claim 6, characterized in that The step S11 further comprises: Step S110, the fingerprint recognition sensor processes the collected fingerprint data, converts it into fingerprint data in SPI format, and sends it to the encryption conversion circuit; Step S111, the encryption conversion circuit encrypts the fingerprint data in the SPI format, converts it into fingerprint data in the LVDS format, and sends it to the first video codec chip; Step S112: the first video codec chip encodes the fingerprint data and control signal in the LVDS format and sends them to the second video codec chip on the domain controller side.
8. The method according to claim 7, characterized in that The step S12 further comprises: Step S120, the second video codec chip decodes the fingerprint data in LVDS format and forwards it to the full encryption chip through the SOC chip; Step S121, the security encryption chip decrypts the fingerprint data in the LVDS format, calls the fingerprint data reserved by the customer in the security data storage, and verifies the decrypted fingerprint data with the reserved fingerprint data; Step S122, after the verification is passed, the security encryption chip calls the login information or payment information of the cloud backend in the corresponding scenario in the security data storage; Step S123, the security encryption chip encrypts the login information or the login information.
9. The method according to claim 8, characterized in that The step S13 further comprises: Step S130, the security encryption chip forwards the verification result and the encrypted login information or payment information to the Internet of Vehicles communication module through the SOC chip; In step S131, the Internet of Vehicles communication module sends the encrypted login information to the cloud backend for authentication.
10. The method according to claim 9, characterized in that The step S14 further comprises: Step S140, the Internet of Vehicles communication module receives the result of successful login or successful payment fed back by the cloud backend after authenticating the login information; Step S141, the Internet of Vehicles communication module sends the result to the SOC chip, and the SOC chip controls the DSP to output corresponding audio data; Step S142: The SOC chip generates a picture indicating successful login or successful payment, and forwards the picture data to the central control display screen for display.
Citation Information
Patent Citations
Processing device for fingerprint identification under fusion screen of domain controller
CN212365026U