CN207424875U - Integrated control device and display system - Google Patents
Integrated control device and display system Download PDFInfo
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- CN207424875U CN207424875U CN201721650388.5U CN201721650388U CN207424875U CN 207424875 U CN207424875 U CN 207424875U CN 201721650388 U CN201721650388 U CN 201721650388U CN 207424875 U CN207424875 U CN 207424875U
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Abstract
This application discloses integrated control devices and display system.The integrated control device includes：Multiple sensor units are connected respectively with multiple sensors, for gathering sensed data from the multiple sensor；First processor is connected with the multiple sensor unit, gathers sensed data from the multiple sensor for managing the multiple sensor unit, and exports the sensed data of acquisition according to default rule or according to the instruction received；Safe module, is connected with first processor, for carrying out safety verification according at least part sensed data under the control of first processor and/or at least part sensed data being encrypted；Communication interface is connected with first processor, communicates for the main control unit with electronic equipment.By integrating multiple sensors unit and safe module in integrated control device, while sensors relay is played the role of, security is also improved.
Description
Technical field
This application involves human-computer interaction technique field, more particularly, to integrated control device and display system.
Background technology
With the arrival in big data epoch, the safety of mass data becomes the key that must be effectively solved in " human-computer interaction "
Problem.In order to meet ever-increasing user demand, more and more sensors, such as gravity sensitive are employed on electronic equipment
Device, gyroscope, ambient light sensor, compass, baroceptor, touch sensing, fingerprint sensor, microphone, camera
Deng etc..The control of these sensors has corresponding algorithm and control logic, some applications are even also needed in electronic equipment
Related data, such as track/speed of record user's walking etc. are still worked and recorded during dormancy.If the master control of electronic equipment
Chip is participated in the overall process calculating and control, makes that the workload of main control chip is heavy and power consumption is huge.In order to solve this problem, it is past
Toward using relaying of the additional chips as sensor, for example, can the main control chip of electronic equipment and numerous sensors it
Between add in the MCU of a low-power consumption, this various sensor of MCU connections can be referred to as sensors relay to play the role of relaying
(Sensor Hub) is responsible for the data of scheduling and processing from each sensor, to mitigate the burden of main control chip.
However as the development of safety verification technology, more and more sensing datas are used for safety verification correlation
Operation, such as finger print data, facial image, iris image, voice print database, the input password or identifying code generally used at present
When touch data etc..However these sensing datas are not protected sufficiently as sensitive data, usual Sensor
The sensing data of acquisition is supplied directly to the main control chip of electronic equipment by Hub, and main control chip uses credible performing environment
(TEE, Trusted Execution Environment) safety protecting mechanism, biological characteristic validation, PIN code verification etc.
Operation carries out under TEE environment.But TEE belongs to a kind of soft or hard association schemes, still cannot obtain information from hardware view
Sufficiently protection.If application APP tries to get sensitive data, then the protection for privacy of user is extremely disadvantageous
's.The application APP of some malice even can pretend to be user identity using sensitive data, hidden so as to generate greatly safety
Suffer from.
Therefore, expect to be further improved sensing data security.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of integrated control device and display system, wherein,
Multiple sensors unit and safe module are incorporated in integrated control device, while sensors relay is played the role of, is also carried
High security.
It is according to the present utility model in a first aspect, provide a kind of integrated control device, including：Multiple sensor units, point
It is not connected with multiple sensors, for gathering sensed data from the multiple sensor；First processor, with the multiple biography
Sensor cell is connected, and sensed data is gathered from the multiple sensor for managing the multiple sensor unit, and according to pre-
If rule or the sensed data of acquisition is exported according to the instruction received；Safe module, is connected with first processor, is used for
Under the control of first processor according at least part sensed data carry out safety verification and/or at least part sensed data into
Row encryption；Communication interface is connected with first processor, communicates for the main control unit with electronic equipment.
Preferably, the safe module includes：Second processor, for the basis at least portion under the control of first processor
Point sensed data carries out safety verification and/or at least part sensed data is encrypted；Storage unit senses number for storing
According to, encryption data, at least one among the validation template and verification result of safety verification.
Preferably, the sensed data that the first processor is additionally operable to according to acquisition wakes up master control list to determine whether meeting
The condition of member, if it is, main control unit in a dormant state is waken up.
Preferably, the first processor is additionally operable to control safe module according to acquisition when receiving safety verification instruction
Sensed data carries out safety verification, and according to verification result to determine whether meeting the condition of wake-up main control unit.
Preferably, the integrated control device further includes：Display unit, for providing display driving letter to display device
Number；The first processor is additionally operable to that the display unit is controlled to provide display drive signals to display device.
Preferably, at least one sensor unit in the multiple sensor unit includes：First interface, for it is right
The sensor communication answered；Logic module, for providing drive signal to corresponding sensor and being connect from the corresponding sensor
It receives inductive signal and the inductive signal to receiving is amplified and digital-to-analogue conversion, to generate sensed data；And second connect
Mouthful, for communicating with the first processor.
Preferably, the multiple sensors include gravity sensor, gyroscope, ambient light sensor, compass, air pressure transmission
Sensor, temperature sensor, humidity sensor, pressure sensor, touch sensing, fingerprint sensor, palmprint sensor, audio pass
At least two in sensor, imaging sensor.
Preferably, the integrated control device is one single chip.
Second aspect according to the present utility model provides a kind of display system, including：Display device, for according to aobvious
Registration is according to display image；Multiple sensors, for generating inductive signal；Above-mentioned integrated control device, with the display device
It is connected with the multiple sensor.
Preferably, the display device includes liquid crystal display or AMOLED display screens.
Embodiment according to the present utility model, the processor in integrated control device can assist the master control list of electronic equipment
Member manages the data acquisition of multiple sensors and transmission, and safe module is additionally provided in integrated control device, can be based on sensing
Data carry out the data processings such as encryption, safety verification, secure storage.By in the safe module of integrated control device into
The safety operation of row such as encryption, safety verification etc, sensitive data will not be supplied to opening for main control unit 300 without protection
It puts in environment, the protection of hardware-level can be carried out to being related to safe sensed data, compared to traditional soft or hard combination
Protected mode improves security of system.
The processor of the utility model embodiment can perform the judgement of wake-up condition using safe module, such as can be with
Fingerprint authentication by when judge to meet wake-up condition, so that main control unit be waken up, while system low-power consumption is ensured,
Security is also improved, improves the flexibility of wake operation.
The structure size of existing display module can be reduced using integrated control device, reduces electronic component quantity, drop
Low design complexities improve yield rate.
In a preferred embodiment, the modules of integrated control device are integrated in one single chip.Further, will dodge
It deposits and is also integrated in the chip of integrated control device.Since characteristic is locally stored in chip internal, it can be further
Improve security.
Description of the drawings
By the description referring to the drawings to the utility model embodiment, above-mentioned and other mesh of the utility model
, feature and advantage will be apparent from.
Fig. 1 shows the schematic frame of the electronic equipment with integrated control device according to the utility model first embodiment
Figure.
Fig. 2 shows the schematic block diagram of the safe module according to the utility model embodiment.
Fig. 3 shows the schematic frame of the electronic equipment with integrated control device according to another two embodiment of the utility model
Figure.
Fig. 4 shows the schematic block diagram of the sensor unit according to the utility model embodiment.
Fig. 5 shows the schematic block diagram of the integrated control device according to the utility model 3rd embodiment.
Fig. 6 shows the schematic block diagram of the integrated control device according to the utility model fourth embodiment.
Fig. 7 shows in the display system according to the utility model embodiment to be shown using time-sharing multiplex mode and touch-control
Sequence diagram.
Specific embodiment
Hereinafter reference will be made to the drawings is more fully described the utility model.In various figures, identical element is using similar
Reference numeral represent.For the sake of clarity, the various pieces in attached drawing are not necessarily to scale.Furthermore, it is possible to it is not shown
Some well known parts.
Many specific details of the utility model, such as the structure of device, material, size, place is described hereinafter
Science and engineering skill and technology, to be more clearly understood that the utility model.But just as the skilled person will understand,
The utility model can not be realized according to these specific details.
In this application, term " local " expression be arranged on display screen end integrated control device chip internal or
It is located at integrated control device in same printed circuit board.For example, " local verification " represents the chip in integrated control device
Inside performs proving program by processor, and " being locally stored " represents to store characteristic, encipheror and proving program
Non volatile memory bits are located at same printed circuit in the chip internal of integrated control device or with integrated control device
On plate.
The utility model can be presented in a variety of manners, some of them example explained below.
According to the integrated control device of the utility model embodiment sensors relay can be used as to be mounted on has a variety of biographies
In the electronic equipment of sensor, it is described more to manage that the processor in integrated control device can assist the main control unit of electronic equipment
The data acquisition and transmission of kind sensor.Safe module is additionally provided in integrated control device, it is all that sensed data progress can be based on
Such as encryption, safety verification, secure storage data processing.
Fig. 1 shows the schematic frame of the electronic equipment with integrated control device according to the utility model first embodiment
Figure.It is set as shown in Figure 1, the example of the electronic equipment includes but not limited to mobile phone, tablet computer, laptop, VR equipment, AR
Standby, wrist-watch, automobile, bicycle etc..
Multiple sensors 100 are equipped in the electronic equipment, such as include first sensor 101 and the in the example of fig. 1
Two sensors 102, first sensor 101 and second sensor 102 can be different types of sensors, for example, can be selected from
Two kinds among lower：Gravity sensor, gyroscope, ambient light sensor, compass, baroceptor, temperature sensor, humidity
Sensor, pressure sensor, touch sensing, fingerprint sensor, palmprint sensor, audio sensor, imaging sensor etc..
However it will be apparent to one skilled in the art that the number and type of sensor 100 are without being limited thereto, required class can be selected as needed
Type sum number purpose sensor.
In addition, electronic equipment further includes integrated control device 200 and main control unit 300.
Main control unit 300 is used to implement the function of operating system, can by electronic equipment application processor (AP,
Application processor) it realizes.Integrated control device 200, which can be used as sensors relay to be mounted on, has electronics
In equipment, manage the data acquisition and transmission of the multiple sensors 100 to assist main control unit 300, and realize data
Safe handling.
Integrated control device 200 includes multiple sensor units, safe module 202, processor 203,204 and of storage unit
Communication interface 205.
In the example of fig. 1, integrated control device includes first sensor unit 2011 and second sensor unit 2012
(hereinafter referred to as sensor unit 201).First sensor unit 2011 is connected with first sensor 101, for being sensed from first
Device 101 gathers sensed data, and second sensor unit 2011 is connected with second sensor 102, for being adopted from second sensor 102
Collect sensed data.
Safe module 202 is used to perform security related operations, such as data encryption, safety verification, secure storage etc..Such as
Shown in Fig. 2, safe module 202 can include processor 2021 and memory 2022.Processor 2021 is used in processor 203
According at least part sensed data safety verification and/or at least part sensed data is encrypted under control, it can be with
It is deposited as needed by sensed data, encryption data, at least one among the validation template and verification result of safety verification
Storage is in memory 2022.Other safety-related contents, such as encipheror, safety verification can also be stored in memory 2022
Program etc..
MCU may be employed to realize in processor 203, for managing multiple sensor units 201, and according to default rule
Or the sensed data of acquisition is exported according to the instruction received.For example, when multiple sensors include touch sensing, fingerprint passes
When sensor, heartbeat detection sensor, pulse detection sensor, camera, microphone etc., scheduling rule can be pre-set,
Such as can be arranged to the data of heartbeat sensor and pulse transducer being shipped regularly to main control unit, and touch-control will be come from and passed
The data of sensor and fingerprint sensor are sent to main control unit 300 according to the instruction from main control unit 300, for camera shooting
Head, the data of microphone are sent to main control unit 300, etc. in real time.
Processor 203 can also according to the sensed data of acquisition and/or the instruction from main control unit 300 to determine whether
Meet the condition for waking up main control unit 300.For example, for touching and waking up, processor 203 can be passed with periodic scan touch-control
Sensor, and according to default rule based on the touch sensible data from touch sensing to determine whether touching default position
Putting or touch the time has reached default threshold value, if it is, thinking that the touch operation of user has reached wake-up condition, otherwise
Think to touch and be not up to wake-up condition.Certainly a variety of wake-up modes can also be arranged as required to, such as shake can be set to call out
It wakes up, when the sensed data for coming acceleration sensor and/or gravity sensor shows that user grasps the shake that electronic equipment performs
When work has reached wake-up condition, processor 203 sends wake-up signal to be waken up to main control unit 300.As another example,
Fingerprint authentication wake-up, sound wake-up, temperature wake-up, pressure wake-up etc. can also be set.It can be stored in storage unit 204 pair
The wake up procedure and related data answered.After main control unit 300 is waken up, integrated control device 200 can continue
One or more of sensor 100 in some embodiments, can also be switched to main control unit by the management of sensor 100
300 are managed.
Processor 200 can also control safe module 202 to perform safety-related operation.Such as when application program needs are held
During row security validation operation, such as when equipment unlocks, payment and under other need the scene of safety verification, master control list
Member 300 can send security authentication request with communication interface 205 to processor 203, and processor 203 can control safe module 202
Safety verification is locally being carried out, the processor 2021 of safety verification module 202 will be in the sensed data of acquisition and memory 2022
The validation template being locally stored is compared to pair, if it does, then decision verification is by the way that otherwise decision verification fails.Safe module 202
Verification result can be supplied to processor 203 to be sent to main control unit 300 via communication interface 205.Preferably, safety
Module 202 exports again after can also verification result be encrypted, to further improve security.As another example, need from
Sensor 100 obtains to verify, identification is when being related to safe sensitive data, such as registers rank in biometric templates
Section, main control unit 300 can ask integrated control device 200 that transmission is encrypted, in this case integrated control device 200
Processor 203 can control safe module 202 that above-mentioned sensitive data is encrypted, and by encrypted sensitive data (example
Such as encrypted biometric templates) it is supplied to main control unit 300.Safe module 202 can also be by encrypted sensitive data
It is stored in local storage 2022, to further improve security.
Storage unit 204 can include nonvolatile memory, for storing sensed data, wake up procedure etc..
Communication interface 205 can support various communications protocols and number I/O, such as I2C agreements and SPI protocol, and carry
For multiple number I/O pins.Processor 203 can communicate via the communication interface 231 with main dummy cell 300.
Embodiment according to the present utility model, the processor in integrated control device can assist the master control list of electronic equipment
Member manages the data acquisition of the multiple sensors and transmission, safe module is additionally provided in integrated control device, can be based on
Sensed data carries out the data processings such as encryption, safety verification, secure storage.Pass through the safe module in integrated control device
The safety operation of middle progress such as encryption, safety verification etc, sensitive data will not be supplied to main control unit 300 without protection
Open environment in, the protection of hardware-level can be carried out to being related to safe sensed data, compared to traditional soft or hard knot
The protected mode of conjunction, improves security of system.
The processor of the utility model embodiment can perform the judgement of wake-up condition using safe module, such as can be with
Fingerprint authentication by when judge to meet wake-up condition, so that main control unit be waken up, while system low-power consumption is ensured,
Security is also improved, improves the flexibility of wake operation.
Fig. 3 shows the schematic frame of the electronic equipment with integrated control device according to the utility model second embodiment
Figure.Similar with the embodiment of Fig. 2, which includes multiple sensors 100, integrated control device 210 and main control unit
300。
Difference at least that, the electronic equipment of Fig. 3 is the electronic equipment for having display device 110, such as mobile phone, flat
Plate computer, AR equipment, VR equipment, smartwatch etc..With the development of technology, the display screen configured on an electronic device is not only
For showing image and text, and it is further developed into the important channel of human-computer interaction.Touch-control can be integrated on a display screen
Sensor, fingerprint sensor, audio sensor (such as microphone), imaging sensor (such as camera) etc., it is aobvious so as to be formed
Show system.User can directly input the operations such as word, selection icon, gesture control, sound, recognition of face on a display screen.
Display system carries the safety of data interaction irreplaceable weight as the entrance of information gathering and the outlet of display content
Want role.The interaction data gathered on a display screen not only includes the text message of such as input through keyboard etc, but also may wrap
Include the privacy informations such as fingerprint, face feature.These sensitive datas will be sent to from the driving chip of display screen on mainboard
Processor is handled to realize the functions such as safety verification by operating system.In the fig. 3 embodiment, display device 110 and more
Kind sensor 100 combines to form display system.The display device be, for example, selected from liquid crystal display, LED display,
Any one of AMOLED display screens, quantum dot display screen, Electronic Paper, MicroLED display screens.Sensor 100 is, for example, to be selected from
At least two in touch device, fingerprint sensor, optical sensor, acoustic sensor.In the fig. 3 embodiment, with touch-control
It is illustrated exemplified by liquid crystal display, wherein, display device is liquid crystal display device, and sensor 100 includes touch sensing
120th, fingerprint sensor 130, audio sensor 140 and imaging sensor 150.
Integrated control device 210 includes processor 211, storage unit 204, display unit 21, multiple sensor units 22
With communication interface 205.
As shown in figure 3, multiple sensor units 22 include touch control unit 221, fingerprint unit 222, audio unit 223 and
Elementary area 224, respectively with touch sensing 120,150 phase of fingerprint sensor 130, audio sensor 140 and imaging sensor
Connect, for gathering sensed data from corresponding sensor under the control of processor 211 and being supplied to processor 211.
The main control unit 300 of the electronic equipment is used to implement the function of operating system, can be by the application of electronic equipment
Processor (AP, application processor) is realized.
Safe module 202 is used to perform security related operations, such as data encryption, safety verification, secure storage etc..Such as
Shown in Fig. 2, safe module 202 can include processor 2021 and memory 2022.Processor 2021 is used in processor 203
Safety verification is carried out according at least part sensed data under control and/or at least part sensed data is encrypted.Memory
2022 can store sensed data, encryption data, the validation template for safety verification and verification result, encipheror, safety
Proving program etc. at least one of is worked as.In this embodiment, 2022 validation template of memory can come from main control unit
300 or under the control of processor 211 locally acquisition and data processing obtain.In the case of the latter, not only use
The sensitive data and validation template at family are locally generated.Operating system only obtains verification knot from integrated control chip 210
Fruit or encryption data, and both sensitive data and validation template can not be got, so as to be conducive to improve security.
211 control display unit 21 of processor and multiple sensor units 22 according to default rule and/or receive
It instructs to manage the multiple sensor unit 22, and main control unit 300 in a dormant state is waken up when meeting condition.Place
Reason device 200 can also control safe module 202 to perform safety-related operation, such as will be felt according to the instruction from main control unit
It answers data encryption and/or safety verification is carried out based on sensed data.Such as when equipment unlocks, payment when and other needs
Under the scene of safety verification, main control unit 300 can send security authentication request, processor with communication interface 205 to processor 203
203 can control safe module 202 locally carrying out safety verification, and the processor 2021 of safety verification module 202 is by acquisition
Sensed data is compared with the validation template being locally stored in memory 2022 pair, if it does, then otherwise decision verification is by sentencing
Determine authentication failed.Verification result can be supplied to processor 203 to be sent to via communication interface 205 by safe module 202
Main control unit 300.Preferably, safe module 202 exports again after can also verification result be encrypted, to further improve safety
Property.As another example, needing from sensor 100 obtains to verify, identification is when being related to safe sensitive data,
Such as in biometric templates registration phase, main control unit 300 can ask integrated control device 200 that transmission is encrypted,
In this case the processor 203 of integrated control device 200 can control safe module 202 to add above-mentioned sensitive data
It is close, and encrypted sensitive data (such as encrypted biometric templates) is supplied to main control unit 300.Safe module
202 can also be stored in encrypted sensitive data in local storage 2022, to further improve security.
In some embodiments, safety verification wake-up mode may be employed, processor 211 can be in master in this case
The sensed data for controlling safe module 202 based on acquisition when controlling unit 300 in a dormant state carries out safety verification, and in safety
Main control unit 300 is waken up when being verified.
Processor 211 can will be supplied to main control unit after sensed data, encryption data, safety verification result etc. packing
300.Such as start bit and type identification can be added before data content, stop bits and verification are added after data content
Which type position, main control unit 300 can belong to come identification data content according to type identification, can also identify sensed data
From any sensor.
Storage unit 204 can be nonvolatile memory, such as flash memory can store sensed data, wake up procedure
Etc..
Communication interface 205 can support various communications protocols and number I/O, such as I2C agreements and SPI protocol, and carry
For multiple number I/O pins.Processor 211 communicates via communication interface 231 with main control unit 300.
The structure of multiple sensor units 22 described below with reference to Fig. 4, in plurality of sensor unit 22 at least
One structure that can have Fig. 4.As shown in figure 4, sensor unit can include first interface 1, second interface the 2, the 3rd connects
Mouth 3 and logic module 4.First interface 1 is used to communicate with corresponding sensor, and second interface 2 is used to communicate with processor 211,
3rd interface 3 is optional, is used to communicate with main control unit 300.For example, the fingerprint unit 222 of Fig. 3 can include for
The first interface 1 of the communication of fingerprint sensor 130, second interface 2 and fingerprint logic module 4 for communicating with processor 211,
Fingerprint logic module 4 can apply drive signal to fingerprint sensor 130 via first interface 1 and be obtained from fingerprint sensor 130
Inductive signal, the inductive signal received is amplified and digital-to-analogue conversion, to generate sensed data, and via second interface
Sensed data is supplied to processor 211 by 2.Optionally, fingerprint unit 222 can also include communicating with main control unit 300
The 3rd interface 3, processor 211 can control fingerprint unit 222 that sensed data is supplied to main control unit by the 3rd interface 3
300.In some embodiments, in the case where sensor unit 22 has 2 and the 3rd interface 3 of second interface simultaneously, Ke Yishe
Two kinds of operating modes are put, the sensed data that sensor unit 22 gathers in the first operation mode provides processor 211, master control list
Member 300 obtains sensed data or its treated data via the assistance of processor 211；Master control list in the second operation mode
Member 300 directly obtains sensed data via the 3rd interface 3 from control sensor unit 22, so as to enhance flexibility, raising processing
Efficiency.
In addition in some embodiments, sensor unit 22 can also use other structures as needed, such as all
As video camera etc imaging sensor 150 for, be capable of providing what can be handled by processor 211 and main control unit 300
Image data, elementary area 224 can include the image data interface being connected with processor 211, to realize image sensing
Communication between device 150 and processor 211.In some embodiments, elementary area 244 can connect including two image datas
Mouthful, for being connected with processor 211, another is in this case, similar for being connected with main control unit 300 for one of them
In aforesaid way, main control unit 300 both can obtain image data via the assistance of processor 211, can also be directly from figure
As sensor 150 obtains data.
The integrated control device of the utility model embodiment incorporates display unit in inside, is directed to multiple sensors respectively
Multiple sensor units and safe module 202, can be mounted on as one single chip and possess the electronic equipment of display device
In, have both the function that display driving, sensors relay management and sensing data are protected.On the one hand system low-power consumption is being ensured
While, it can realize the data protection of hardware-level, improve security；On the other hand simplify system design and also subtract
The light work load of main control unit.
Fig. 5 shows the schematic block diagram of the integrated control device according to the utility model 3rd embodiment.The integrated control
Device is suitable for the electronic equipment with liquid crystal display.
As shown in the figure, integrated control chip 220 includes processor 211, safe module 202, communication interface 205, storage list
Member 204, display unit 21 and sensor unit 22.
Sensor unit 22 include but not limited to above-mentioned touch control unit 221, fingerprint unit 222, audio unit 223 and
Elementary area 224, respectively with touch sensing 120,150 phase of fingerprint sensor 130, audio sensor 140 and imaging sensor
Connect, for gathering sensed data from corresponding sensor under the control of processor 211 and being supplied to processor 211.Multiple biographies
In sensor cell 22 it is at least one can have above with reference to Fig. 4 describe structure.In some embodiments, integrated control core
Piece 220 obtains the mark of each sensor by the hardware interface of sensor unit 22, such as can consider from touch control unit
221 sensed data is that touch sensing 120 provides, and the sensed data from fingerprint unit 222 is that fingerprint sensor 130 carries
It supplies.In alternate embodiments, mark and inductive signal can be sent to integrated control together by each sensor 120 to 150
Coremaking piece 220, in order to which integrated control chip 220 distinguishes that sensed data comes from that sensor.
Safe module 202 is used to perform security related operations, such as data encryption, safety verification, secure storage etc..Such as
Shown in Fig. 2, safe module 202 can include processor 2021 and memory 2022.Processor 2021 is used in processor 203
Safety verification is carried out according at least part sensed data under control and/or at least part sensed data is encrypted.Memory
2022 can store sensed data, encryption data, the validation template for safety verification and verification result, encipheror, safety
Proving program etc. at least one of is worked as.In this embodiment, 2022 validation template of memory can come from main control unit
300 or under the control of processor 211 locally acquisition and data processing obtain.In the case of the latter, not only use
The sensitive data and validation template at family are locally generated.Operating system only obtains verification knot from integrated control chip 220
Fruit or encryption data, and both sensitive data and validation template can not be got, so as to be conducive to improve security.
Processor 211 is von Karman or the RISC CPU of Harvard framework, includes but not limited to ARM, MIPS, OPEN
RISC etc. is preferably ARM；Can also be DSP etc..The processor 211 can manage the multiple according to the instruction received
Sensor unit 22 carries out the acquisition and transmission of sensed data.Processor 211 can also be directed to touch control detection or for remaining class
The sensor of type optimizes.It can be inputted in processing locality touch-control, to judge whether to need the processing of wake operation system to use
It asks at family.Processor 200 can also control safe module 202 to perform safety-related operation, such as according to from main control unit
Instruction by sensed data encrypt and/or based on sensed data carry out safety verification.In some embodiments, safety may be employed
Verify wake-up mode, in this case processor 211 can main control unit 300 in a dormant state when control safe module
202 sensed datas based on acquisition carry out safety verifications, and safety verification by when wake up main control unit 300.Processor 211
Main control unit 300 can will be supplied to after sensed data, encryption data, safety verification result etc. packing.It such as can be in number
According to additional start bit and type identification before content, stop bits and check bit are added after data content, main control unit 300 can
Which type belonged to come identification data content according to type identification, it can also identify that sensed data comes from any sensing
Device.
Communication interface 205 can support various communications protocols and number I/O, such as I2C agreements and SPI protocol, and carry
For multiple number I/O pins.The user's interface 205 can communicate with one another with the primary processor on mainboard.
Storage unit 204 can include data RAM 241, program RAM 242, guiding ROM243 and flash memory 244.In flash memory
Sensed data, wake up procedure, scheduling rule etc. can be stored in 244.It for example, can powering in integrated control chip 220
Period guides the bootstrap in ROM243 to detect flash memory 244, and wake up procedure and/or scheduling is loaded from flash memory 244
Program performs wake-up and/or Sensor scheduling.The data that processor 211 generates during operation can be stored in data RAM
In 241.
Display unit 21 includes display controller 212, graphics engine 213, time schedule controller 214, display and graphic interface
215th, grid electrode drive module 216, source drive module 217, common electric voltage drive module 218, backlight control module 219 and gamma
Base modules 251.Display controller 212 is used to generate graph data according to the display data of input.Graphics engine 213 is used to control
Memory window processed, cursor, pointer and smart figure, so as to provide high performance optimization figure for touch-control.Display and figure connect
Mouth 215 provides the display interface of a variety of industrial standards, for receiving display data, such as DSI TCVR, DBI I/F, DPI I/
F.Backlight control module 219 is used to control the backlight of liquid crystal display, low-power consumption management is realized, so as to energy saving with existing backlight
Technology is combined.Grid electrode drive module 216, source drive module 217, common electric voltage drive module 218 are respectively used to generate grid
Pole tension, gray scale voltage and common electric voltage.Time schedule controller 214 is used for the output time of control gate electrode and gray scale voltage,
So as to which in a picture frame period, grid voltage G1 to Gm is provided in a manner of scanning, selected in the thin film transistor (TFT) of corresponding line
When logical, to multiple thin film transistor (TFT) T offers and the corresponding gray scale voltage S1 to Sn of grayscale of each row, so as on pixel capacitance
Apply voltage and change the orientation of liquid crystal molecule, to realize and the corresponding light transmittance of grayscale.Gamma base modules 251 are used to deposit
It stores up gamma correction curve and provides correction signal to source drive module 217 for correcting the gray scale voltage, to meet people
Eye is to the nonlinear requirements of brightness change.
The integrated control device of the utility model embodiment incorporates display unit, such as touch control unit, fingerprint in inside
Unit, audio unit, elementary area etc. are directed to the sensor unit that can set sensor on a display screen and safe mould
Group can be mounted on as one single chip and possess in touch-control and the electronic equipment of display function, have both display driving, touch-control drives
Function dynamic, that sensor relay management and sensing data are protected on screen.While system low-power consumption is ensured, it can realize
The data protection of hardware-level, improves security.Integrated design also simplifies system design and also reduces main control unit
Work load.However, the utility model is without being limited thereto.Integrated control chip 220 can form multiple chips, and pacify jointly
On the circuit board at display screen end.
Sensed data, wake up procedure etc. are stored using flash memory in the integrated control device of the embodiment.However, this
Utility model is without being limited thereto.In alternate embodiments, any kind of non-volatile memories may be employed in integrated control chip
Device, such as selected from any one of flash memory, SRAM, DRAM, EEPROM, EPROM.
In this embodiment, flash memory is integrated in integrated control chip, to improve security.In alternate embodiments,
Flash memory can be located at integrated control chip outside and be connected via bus with integrated control chip, with reduce system into
This.
Fig. 6 shows the schematic block diagram of the integrated control device according to the utility model fourth embodiment.The integrated control
Device is suitable for the electronic equipment with AMOLED display screens.
As shown in the figure, integrated control chip 230 includes processor 211, safe module 202, communication interface 205, storage list
Member 204, display unit 21 and sensor unit 22.
Sensor unit 22 include but not limited to above-mentioned touch control unit 221, fingerprint unit 222, audio unit 223 and
Elementary area 224, respectively with touch sensing 120,150 phase of fingerprint sensor 130, audio sensor 140 and imaging sensor
Connect, for gathering sensed data from corresponding sensor under the control of processor 211 and being supplied to processor 211.Multiple biographies
In sensor cell 22 it is at least one can have above with reference to Fig. 4 describe structure.In some embodiments, integrated control core
Piece 230 obtains the mark of each sensor by the hardware interface of sensor unit 22, such as can consider from touch control unit
221 sensed data is that touch sensing 120 provides, and the sensed data from fingerprint unit 222 is that fingerprint sensor 130 carries
It supplies.In alternate embodiments, mark and inductive signal can be sent to integrated control together by each sensor 120 to 150
Coremaking piece 230, in order to which integrated control chip 230 distinguishes that sensed data comes from that sensor.
Safe module 202 is used to perform security related operations, such as data encryption, safety verification, secure storage etc..Such as
Shown in Fig. 2, safe module 202 can include processor 2021 and memory 2022.Processor 2021 is used in processor 203
Safety verification is carried out according at least part sensed data under control and/or at least part sensed data is encrypted.Memory
2022 can store sensed data, encryption data, the validation template for safety verification and verification result, encipheror, safety
Proving program etc. at least one of is worked as.In this embodiment, 2022 validation template of memory can come from main control unit
300 or under the control of processor 211 locally acquisition and data processing obtain.In the case of the latter, not only use
The sensitive data and validation template at family are locally generated.Operating system only obtains verification knot from integrated control chip 230
Fruit or encryption data, and both sensitive data and validation template can not be got, so as to be conducive to improve security.
Processor 211 is von Karman or the RISC CPU of Harvard framework, includes but not limited to ARM, MIPS, OPEN
RISC etc. is preferably ARM；Can also be DSP etc..The processor 211 can manage the multiple according to the instruction received
Sensor unit 22 carries out the acquisition and transmission of sensed data.Processor 211 can also be directed to touch control detection or for remaining class
The sensor of type optimizes.It can be inputted in processing locality touch-control, to judge whether to need the processing of wake operation system to use
It asks at family.Processor 200 can also control safe module 202 to perform safety-related operation, such as according to from main control unit
Instruction by sensed data encrypt and/or based on sensed data carry out safety verification.In some embodiments, safety may be employed
Verify wake-up mode, in this case processor 211 can main control unit 300 in a dormant state when control safe module
202 sensed datas based on acquisition carry out safety verifications, and safety verification by when wake up main control unit 300.Processor 211
Main control unit 300 can will be supplied to after sensed data, encryption data, safety verification result etc. packing.It such as can be in number
According to additional start bit and type identification before content, stop bits and check bit are added after data content, main control unit 300 can
Which type belonged to come identification data content according to type identification, it can also identify that sensed data comes from any sensing
Device.
Communication interface 205 can support various communications protocols and number I/O, such as I2C agreements and SPI protocol, and carry
For multiple number I/O pins.The user's interface 205 can communicate with one another with the primary processor on mainboard.
Storage unit 204 can include data RAM 241, program RAM 242, guiding ROM243 and flash memory 244.In flash memory
Sensed data, wake up procedure, scheduling rule etc. can be stored in 244.It for example, can powering in integrated control chip 230
Period guides the bootstrap in ROM243 to detect flash memory 244, and wake up procedure and/or scheduling is loaded from flash memory 244
Program performs wake-up and/or Sensor scheduling.The data that processor 211 generates during operation can be stored in data RAM
In 241.
Display unit 21 includes display controller 212, graphics engine 213, time schedule controller 214, display and graphic interface
215th, row drive module 226, row drive module 227 and gamma base modules 251.Display controller 212 is used for according to input
Display data generates graph data.Graphics engine 213 is for controlling memory window, cursor, pointer and smart figure, so as to be directed to
Touch-control provides high performance optimization figure.Display and graphic interface 215 provide the display interface of a variety of industrial standards, for receiving
Display data, such as DSI TCVR, DBI I/F, DPI I/F.Row drive module 226 and row drive module 227 are respectively used to produce
Raw grid voltage and gray scale voltage.Time schedule controller 214 is used for the output time of control gate electrode and gray scale voltage, thus
In one picture frame period, grid voltage G1 to Gm is provided in a manner of scanning, in the thin film transistor (TFT) gating of corresponding line, to
The multiple thin film transistor (TFT) T respectively arranged are provided and the corresponding gray scale voltage S1 to Sn of grayscale, so as to apply on a light emitting diode
The electric current of numerical value corresponding with gray scale voltage and shine, with realize with the corresponding luminosity of grayscale.Gamma base modules 251
Correction signal is provided for correcting the gray scale voltage for storing gamma correction curve and nematic drive module 227, with symbol
Close nonlinear requirements of the human eye to brightness change.
The integrated control device of the utility model embodiment incorporates display unit, such as touch control unit, fingerprint in inside
Unit, audio unit, elementary area etc. are directed to the sensor unit that can set sensor on a display screen and safe mould
Group can be mounted on as one single chip and possess in touch-control and the electronic equipment of display function, have both display driving, touch-control drives
Function dynamic, that sensor relay management and sensing data are protected on screen.While system low-power consumption is ensured, it can realize
The data protection of hardware-level, improves security.Integrated design also simplifies system design and also reduces main control unit
Work load.However, the utility model is without being limited thereto.Integrated control chip 230 can form multiple chips, and pacify jointly
On the circuit board at display screen end.
Sensed data, wake up procedure etc. are stored using flash memory in the integrated control device of the embodiment.However, this
Utility model is without being limited thereto.In alternate embodiments, any kind of non-volatile deposit may be employed in integrated control chip 230
Reservoir, such as selected from any one of flash memory, SRAM, DRAM, EEPROM, EPROM.
In this embodiment, flash memory is integrated in integrated control chip 230, to improve security.In alternative embodiment
In, flash memory can be located at the outside of integrated control chip 230 and be connected via bus with integrated control chip, be to reduce
System cost.
Fig. 7 shows in the display system according to the utility model embodiment to be shown using time-sharing multiplex mode and touch-control
Sequence diagram.
In practical applications, display system can integrate polytype sensor.Processing in integrated control chip 210
Device has display driving, sensor driving and three kinds of functions of safety verification concurrently, so as to provide the secure authentication mechanisms of hardware level.Respectively
Kind sensing unit is in periodical polling status with relatively low working frequency.
For touch control detection, when sensing unit senses are to when having object touch, conversion is in working condition, and acquisition touches number
According to display data and touch data are by the way of time-sharing multiplex at this time.
For contact living things feature recognition, such as fingerprint recognition, contact living things feature recognition needs to touch, therefore,
The biological attribute data that this mode gathers is similar with touch data, with display data by the way of time-sharing multiplex.
It identifies, is preset for contactless biometric.For needing the acquisition manually supervised, string may be employed
Row data frame, switching display data is current gathered data, after currently displayed gathered data terminates, then is switched to original
Picture to be shown.And if contactless biometric identification gatherer process need not manually supervise (unsupervised), can be with
Display data is by the way of time-sharing multiplex in background process., it is necessary to manually proofread when such as gathering image using imaging sensor
Whether real-time image acquisition meets the requirements, then can show and be currently capturing object, and display data is imaging sensor at this time
Current gathered data.
By touch-control with being illustrated exemplified by showing the situation that need to synchronously carry out.
Blanking interval in picture frame handoff procedure, display unit are smaller for the influence of noise of touch control unit.Thus exist
Device in actual work, display and touch-control using time-sharing multiplex principle, display data processing can with touch data processing when
Between it is upper separate, interfered with each other with reducing.Among image frame scan, some time slots are marked off, as touch-control frame.
As shown in fig. 7, during a picture frame, respectively including multiple display period TP and multiple touch-control periods
TP.In different times in section, the alternately processing of display data and touch data.That is display and touch-control time-sharing multiplex.Cause
Human eye has certain recognition time window to changing picture, thus frame per second and the time accounting of two kinds of periods have and have to
It asks.Using this type of drive, influence of the noise electric signal of LCD array to touch working lining can be effectively reduced, also
Shielding lamination is saved, reduces the thickness of touching display screen.
More than time-sharing multiplex function, can be operated by software program, can also be combined MUX multiplexings and be multiplexed selecting unit
It switches over.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
Also there are other identical elements in process, method, article or equipment including the element.
Embodiment according to the utility model as described above, these embodiments there is no all details of detailed descriptionthe,
Also it is only the specific embodiment not limit the utility model.Obviously, as described above, many modification and change can be made
Change, change including but not limited to the local structure of circuit, the replacement to the type or model of component.This specification is chosen
And these embodiments are specifically described, it is the principle and practical application in order to preferably explain the utility model, so that affiliated skill
Art field technology personnel can be used using the utility model and the modification on the basis of the utility model well.This practicality is new
Type is limited only by the claims and their full scope and equivalents.
Claims (10)
1. a kind of integrated control device, which is characterized in that including：
Multiple sensor units are connected respectively with multiple sensors, for gathering sensed data from the multiple sensor；
First processor is connected with the multiple sensor unit, for managing the multiple sensor unit from the multiple
Sensor gathers sensed data, and exports the sensed data of acquisition according to default rule or according to the instruction received；
Safe module, is connected with first processor, under the control of first processor according at least part sensed data into
Row safety verification and/or at least part sensed data is encrypted；
Communication interface is connected with first processor, communicates for the main control unit with electronic equipment.
2. integrated control device according to claim 1, which is characterized in that the safe module includes：
Second processor, under the control of first processor according at least part sensed data carry out safety verification and/or
At least part sensed data is encrypted；
Storage unit, for storing sensed data, encryption data, for the validation template and verification result of safety verification among
It is at least one.
3. integrated control device according to claim 1, which is characterized in that the first processor is additionally operable to according to acquisition
Sensed data to determine whether meeting the condition that wakes up main control unit, if it is, by main control unit in a dormant state
It wakes up.
4. integrated control device according to claim 1, which is characterized in that the first processor is additionally operable to receiving peace
During full verification instruction safe module is controlled to carry out safety verification according to the sensed data of acquisition, and judge to be according to verification result
It is no to meet the condition for waking up main control unit.
5. integrated control device according to claim 1, which is characterized in that further include：
Display unit, for providing display drive signals to display device；
The first processor is additionally operable to that the display unit is controlled to provide display drive signals to display device.
6. integrated control device according to claim 1, which is characterized in that at least one in the multiple sensor unit
A sensor unit includes：
First interface, for communicating with corresponding sensor；
Logic module, for providing drive signal to corresponding sensor and receiving inductive signal from the corresponding sensor,
And the inductive signal to receiving is amplified and digital-to-analogue conversion, to generate sensed data；And
Second interface, for communicating with the first processor.
7. integrated control device according to claim 1, which is characterized in that the multiple sensors include gravity sensitive
Device, gyroscope, ambient light sensor, compass, baroceptor, temperature sensor, humidity sensor, pressure sensor, touch
Control at least two in sensor, fingerprint sensor, palmprint sensor, audio sensor, imaging sensor.
8. integrated control device according to claim 1, which is characterized in that the integrated control device is one single chip.
9. a kind of display system, which is characterized in that including：
Display device, for showing image according to display data；
Multiple sensors, for generating inductive signal；
Integrated control device according to any one of claim 1 to 8, with the display device and the multiple sensor
It is connected.
10. display system according to claim 9, which is characterized in that the display device include liquid crystal display or
AMOLED display screens.
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| CN201721650388.5U CN207424875U (en) | 2017-11-30 | 2017-11-30 | Integrated control device and display system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808104A (en) * | 2017-11-30 | 2018-03-16 | 北京集创北方科技股份有限公司 | Integrated control device and display system |
| CN111858464A (en) * | 2020-07-31 | 2020-10-30 | 展讯通信（上海）有限公司 | Intelligent terminal and sensing data processing device thereof |
-
2017
- 2017-11-30 CN CN201721650388.5U patent/CN207424875U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808104A (en) * | 2017-11-30 | 2018-03-16 | 北京集创北方科技股份有限公司 | Integrated control device and display system |
| CN111858464A (en) * | 2020-07-31 | 2020-10-30 | 展讯通信（上海）有限公司 | Intelligent terminal and sensing data processing device thereof |
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