CN107808104A - Integrated control device and display system - Google Patents
Integrated control device and display system Download PDFInfo
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- CN107808104A CN107808104A CN201711239634.2A CN201711239634A CN107808104A CN 107808104 A CN107808104 A CN 107808104A CN 201711239634 A CN201711239634 A CN 201711239634A CN 107808104 A CN107808104 A CN 107808104A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/45—Structures or tools for the administration of authentication
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/74—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information operating in dual or compartmented mode, i.e. at least one secure mode
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
- G06F21/79—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in semiconductor storage media, e.g. directly-addressable memories
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Abstract
This application discloses integrated control device and display system.The integrated control device includes：Multiple sensor units, it is connected respectively with multiple sensors, for gathering sensed data from the multiple sensor；First processor, sensed data is gathered from the multiple sensor for managing the multiple sensor unit, and the sensed data of collection is exported according to default rule or according to the instruction received；Safe module, 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, it is connected with first processor, is communicated for the main control unit with electronic equipment.By integrating multiple sensors unit and safe module in integrated control device, while sensors relay effect is played, security is also improved.
Description
Technical field
The application is related to 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 turns into the key that must be effectively solved in " man-machine interaction "
Problem.In order to meet ever-increasing user's request, increasing sensor, 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, and 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.It is past in order to solve the problem
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 the MCU of a low-power consumption, this various sensor of MCU connections can be referred to as sensors relay to play a part of relaying
(Sensor Hub), it 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, increasing sensing data is 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..But 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 checking etc.
Operation is carried out under TEE environment.But TEE belongs to a kind of soft or hard association schemes, still it can not 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 produce greatly safety
Suffer from.
Therefore, expect further to improve sensing data security.
The content of the invention
In view of the above problems, it is an object of the invention to provide a kind of integrated control device and display system, wherein, integrate
Multiple sensors unit and safe module are incorporated in control device, while sensors relay effect is played, is also improved
Security.
According to the first aspect of the invention, there is provided a kind of integrated control device, including：Multiple sensor units, respectively with
Multiple sensors are connected, for gathering sensed data from the multiple sensor；First processor, it is the multiple for managing
Sensor unit gathers sensed data from the multiple sensor, and according to default rule or according to the instruction received come defeated
Go out the sensed data of collection；Safe module, for being pacified under the control of first processor according at least part sensed data
It is complete to verify and/or at least part sensed data is encrypted；Communication interface, it is connected with first processor, for being set with electronics
Standby main control unit communication.
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；Memory cell, sense number for storing
According to, encryption data, at least one among the validation template and the result of safety verification.
Preferably, the first processor is additionally operable to judge whether to meet to wake up master control list according to the sensed data of collection
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 collection when receiving safety verification instruction
Sensed data carries out safety verification, and judges whether to meet the condition for waking up main control unit according to the result.
Preferably, the integrated control device also includes：Display unit, for providing display driving letter to display device
Number；The first processor is additionally operable to control the display unit 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
Induced signal is received, and the induced signal to receiving is amplified and digital-to-analogue conversion, to produce sensed data；And second connect
Mouthful, for being communicated 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.
According to the second aspect of the invention, there is provided a kind of display system, including：Display device, for according to display number
According to display image；Multiple sensors, for producing induced signal；Above-mentioned integrated control device.
Preferably, the display device includes LCDs or AMOLED display screens.
According to an embodiment of the invention, the processor in integrated control device can assist the main control unit of electronic equipment
The data acquisition and transmission of multiple sensors are managed, safe module is additionally provided with integrated control device, sensed data can be based on
Carry out the data processings such as encryption, safety verification, safety storage.It is all by being carried out in the safe module of integrated control device
Such as the safety operation of encryption, safety verification etc, sensitive data will not be supplied to the open loop of main control unit 300 without protection
In border, the protection of hardware-level can be carried out to being related to safe sensed data, compared to the protection of traditional soft or hard combination
Mode, improve security of system.
The processor of the embodiment of the present invention can perform the judgement of wake-up condition using safe module, such as can refer to
Judge to meet wake-up condition when line is verified, so as to which main control unit be waken up, while ensure that system low-power consumption, also carry
High security, improves the flexibility of wake operation.
The physical dimension 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
Deposit and be also integrated in the chip of integrated control device., therefore, can be further because characteristic is locally stored in chip internal
Improve security.
Brief description of the drawings
By the description to the embodiment of the present invention referring to the drawings, above-mentioned and other purposes of the invention, feature and
Advantage will be apparent from.
Fig. 1 shows the schematic block diagram of the electronic equipment with integrated control device according to a first embodiment of the present invention.
Fig. 2 shows the schematic block diagram of safe module according to embodiments of the present invention.
Fig. 3 shows the schematic block diagram of the electronic equipment with integrated control device according to another two embodiment of the present invention.
Fig. 4 shows the schematic block diagram of sensor unit according to embodiments of the present invention.
Fig. 5 shows the schematic block diagram of integrated control device according to a third embodiment of the present invention.
Fig. 6 shows the schematic block diagram of integrated control device according to a fourth embodiment of the present invention.
Fig. 7 show in display system according to embodiments of the present invention using time-sharing multiplex mode carry out display and touch-control when
Sequence figure.
Embodiment
The present invention is more fully described hereinafter with reference to accompanying drawing.In various figures, identical element is using similar attached
Icon is remembered to represent.For the sake of clarity, the various pieces in accompanying drawing are not necessarily to scale.Furthermore, it is possible to it is not shown some
Known part.
It describe hereinafter many specific details of the present invention, such as the structure of device, material, size, processing work
Skill and technology, to be more clearly understood that the present invention.But just as the skilled person will understand, it can not press
The present invention is realized according to these specific details.
In this application, term " local " represents to be arranged on the chip internal of the integrated control device at display screen end, 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 is represented for storing characteristic, encipheror and proving program by computing device proving program, " being locally stored "
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 present invention can be presented in a variety of manners, some of examples explained below.
Integrated control device according to embodiments of the present invention, which can be used as sensors relay to be arranged on, has multiple sensors
Electronic equipment in, the processor in integrated control device can assist the main control unit of electronic equipment to manage a variety of biographies
The data acquisition and transmission of sensor.Safe module is additionally provided with integrated control device, sensed data can be based on and such as add
The data processings such as close, safety verification, safety storage.
Fig. 1 shows the schematic block diagram of the electronic equipment with integrated control device according to a first embodiment of the present invention.
As shown in figure 1, the example of the electronic equipment include but is not limited to mobile phone, tablet personal computer, notebook computer, VR equipment, AR equipment,
Wrist-watch, automobile, bicycle etc..
It is provided with multiple sensors 100 in the electronic equipment, such as includes 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..
But it will be apparent to one skilled in the art that the number and type not limited to this of sensor 100, can select required class as needed
Type sum purpose sensor.
In addition, electronic equipment also includes integrated control device 200 and main control unit 300.
Main control unit 300 is used to realize the function of operating system, its can by electronic equipment application processor (AP,
Application processor) realize.Integrated control device 200, which can be used as sensors relay to be arranged on, has electronics
In equipment, to assist main control unit 300 to manage the data acquisition and transmission of the multiple sensors 100, and data are realized
Safe handling.
Integrated control device 200 includes multiple sensor units, safe module 202, processor 203, the and of memory cell 204
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, safety 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, can be with
Deposited as needed by sensed data, encryption data, at least one among the validation template and the 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..
Processor 203 can be realized using MCU, for managing multiple sensor units 201, and according to default rule
Or the sensed data of collection 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 shooting
Head, the data of microphone are sent to main control unit 300, etc. in real time.
Processor 203 can also judge whether according to the sensed data of collection and/or the instruction from main control unit 300
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 judge whether to touch default position based on the touch sensible data from touch sensing according to default rule
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
Wake up, when the sensed data for coming acceleration sensor and/or gravity sensor shows that the shake that user performs to electronic equipment is grasped
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 memory cell 204 pair
The wake up procedure and related data answered.After main control unit 300 is waken up, integrated control device 200 can continue
The management of sensor 100, in certain embodiments, one or more of sensor 100 can also be switched to main control unit
300 are managed.
Processor 200 can also control safe module 202 to perform safety-related operation.Such as when application program needs to hold
During row security validation operation, such as when equipment unlocks, when paying 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 is by the sensed data of collection 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
The 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 the result be encrypted, further to improve security.As another example, need from
When sensor 100 is obtained for verifying, identification etc. is related to safe sensitive data, such as in biometric templates register rank
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 the sensitive data (example after encryption
Biometric templates after such as encrypting) it is supplied to main control unit 300.Safe module 202 can also be by the sensitive data after encryption
It is stored in local storage 2022, further to improve security.
Memory cell 204 can include nonvolatile memory, for storing sensed data, wake up procedure etc..
Communication interface 205 can support various communications protocols and digital I/O, such as I2C agreements and SPI protocol, and carry
For multiple digital I/O pins.Processor 203 can communicate via the communication interface 231 with main dummy cell 300.
According to an embodiment of the invention, the processor in integrated control device can assist the main control unit of electronic equipment
The data acquisition and transmission of the multiple sensors are managed, safe module is additionally provided with integrated control device, sensing can be based on
Data carry out the data processings such as encryption, safety verification, safety storage.By entering in the safe module of integrated control device
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
Put 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, improve security of system.
The processor of the embodiment of the present invention can perform the judgement of wake-up condition using safe module, such as can refer to
Judge to meet wake-up condition when line is verified, so as to which main control unit be waken up, while ensure that system low-power consumption, also carry
High security, improves the flexibility of wake operation.
Fig. 3 shows the schematic block diagram of the electronic equipment with integrated control device according to a second embodiment of the present invention.
Similar with Fig. 2 embodiment, the electronic equipment includes multiple sensors 100, integrated control device 210 and main control unit 300.
Difference at least that, Fig. 3 electronic equipment is the electronic equipment for having display device 110, such as mobile phone, flat
Plate computer, AR equipment, VR equipment, intelligent watch etc..With the development of technology, the display screen configured on an electronic device is not only
For display image and text, and it is further developed into the important channel of man-machine 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 irreplaceable weight as the entrance of information gathering and the outlet of display content to the safety of data interaction
Want role.The interaction data gathered on a display screen not only includes the text message of such as input through keyboard etc, and may wrap
Include the privacy informations such as fingerprint, face feature.These sensitive datas will be sent on mainboard from the driving chip of display screen
Processor, handled by operating system to realize the functions such as safety verification.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 LCDs, LED display,
Any 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 contactor control device, fingerprint sensor, optical sensor, acoustic sensor.In the fig. 3 embodiment, with touch-control
Illustrated exemplified by LCDs, 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, memory cell 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, fingerprint sensor 130, audio sensor 140 and the phase of imaging sensor 150
Even, 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 for the function of realizing operating system, and it 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, safety 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 the result, encipheror, safety
Proving program etc. at least one of is worked as.In this embodiment, the validation template of memory 2022 can come from main control unit
300 or under the control of processor 211 locally collection 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 checking 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 advantageous to improve security.
The control display unit 21 of processor 211 and multiple sensor units 22, according to default rule and/or receive
Instruct 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
Answer data encryption and/or safety verification is carried out based on sensed data.Such as when equipment unlocks, pay 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 collection
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.The 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 the result be encrypted, further to improve safety
Property.As another example, when needing to obtain for verifying from sensor 100, identification etc. being related to safe sensitive data,
Such as can ask integrated control device 200 that transmission is encrypted in biometric templates registration phase, main control unit 300,
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 the sensitive data (such as biometric templates after encryption) after encryption is supplied to main control unit 300.Safe module
202 can also be stored in the sensitive data after encryption in local storage 2022, further to improve security.
In certain embodiments, safety verification wake-up mode can be used, processor 211 can be in master in this case
The sensed data for controlling safe module 202 based on collection 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 is supplied to main control unit after sensed data, encryption data, safety verification result etc. can be packed
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.
Memory cell 204 can be nonvolatile memory, such as flash memory, and it can store sensed data, wake up procedure
Etc..
Communication interface 205 can support various communications protocols and digital I/O, such as I2C agreements and SPI protocol, and carry
For multiple digital 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 can with 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, and it is used to communicate with main control unit 300.For example, Fig. 3 fingerprint unit 222 can include be used for
The first interface 1 of the communication of fingerprint sensor 130, second interface 2 and fingerprint logic module 4 for being communicated 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
Induced signal, the induced signal received is amplified and digital-to-analogue conversion, to produce sensed data, and via second interface
Sensed data is supplied to processor 211 by 2.Alternatively, fingerprint unit 222 can also include being used to communicate with main control unit 300
The 3rd interface 3, processor 211 can control fingerprint unit 222 that sensed data is supplied into main control unit by the 3rd interface 3
300.In certain embodiments, in the case where sensor unit 22 has the interface 3 of second interface 2 and the 3rd simultaneously, Ke Yishe
Two kinds of mode of operations are put, the sensed data that sensor unit 22 gathers in the first operation mode provides processor 211, master control list
Member 300 obtains the data after sensed data or its processing 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 strengthen flexibility, raising processing
Efficiency.
In addition in certain embodiments, sensor unit 22 can also use other structures as needed, such as all
As video camera etc imaging sensor 150 for, it can provide what can be handled by processor 211 and main control unit 300
View data, elementary area 224 can include being used for the image data interface being connected with processor 211, to realize image sensing
Communication between device 150 and processor 211.In certain embodiments, elementary area 244 can connect including two view data
Mouthful, one of them is used to be connected with processor 211, and another is used to be connected with main control unit 300, in this case, similar
In aforesaid way, main control unit 300 both can obtain view data via the assistance of processor 211, can also be directly from figure
As sensor 150 obtains data.
The integrated control device of the embodiment of the present invention internally incorporates display unit, respectively for the more of multiple sensors
Individual sensor unit and safe module 202, it can be arranged on as one single chip in the electronic equipment for possessing display device, it is simultaneous
The function of tool display driving, sensors relay management and sensing data protection.On the one hand the same of system low-power consumption is being ensured
When, the data protection of hardware-level can be realized, improves security；On the other hand simplify system design and also reduce
The work load of main control unit.
Fig. 5 shows the schematic block diagram of integrated control device according to a third embodiment of the present invention.The integrated control device
Suitable for the electronic equipment with LCDs.
As illustrated, 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 is not limited to above-mentioned touch control unit 221, fingerprint unit 222, audio unit 223 and
Elementary area 224, respectively with touch sensing 120, fingerprint sensor 130, audio sensor 140 and the phase of imaging sensor 150
Even, 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 certain embodiments, control core is integrated
Piece 220 obtains the mark of each sensor by the hardware interface of sensor unit 22, such as can consider and come 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
Supply.In alternate embodiments, mark and induced 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, safety 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 the result, encipheror, safety
Proving program etc. at least one of is worked as.In this embodiment, the validation template of memory 2022 can come from main control unit
300 or under the control of processor 211 locally collection 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 checking 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 advantageous to improve security.
Processor 211 is the RISC CPU, including but not limited to ARM, MIPS, OPEN of von Karman or Harvard framework
RISC etc., 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 collection 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
Ask at family.Processor 200 can also control safe module 202 to perform safety-related operation, such as basis comes from main control unit
Instruction by sensed data encrypt and/or based on sensed data carry out safety verification.In certain embodiments, safety can be used
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 collection carry out safety verifications, and safety verification by when wake up main control unit 300.Processor 211
Main control unit 300 is supplied to after sensed data, encryption data, safety verification result etc. being packed.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
So 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 digital I/O, such as I2C agreements and SPI protocol, and carry
For multiple digital I/O pins.The user interface 205 can communicate with one another with the primary processor on mainboard.
Memory cell 204 can include data RAM 241, program RAM 242, guiding ROM 243 and flash memory 244.Dodging
Sensed data, wake up procedure, scheduling rule etc. can be stored in depositing 244.For example, can be in the upper of integrated control chip 220
During electricity, the bootstrap in ROM243 is guided to detect flash memory 244, and load wake up procedure and/or tune from flash memory 244
Program is spent to perform wake-up and/or Sensor scheduling.Caused data can be stored in data to processor 211 during operation
In RAM 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 produce graph data according to the display data of input.Graphics engine 213 is used to control
Memory window, cursor, pointer and smart figure processed, 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 for the backlight for controlling liquid crystal display, realizes low-power consumption management, so as to be saved 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 produce 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, the gray scale voltage S1 to Sn corresponding with GTG is provided to multiple thin film transistor (TFT) T of each row, so as on pixel capacitance
Apply voltage and change the orientation of liquid crystal molecule, to realize the light transmittance corresponding with GTG.Gamma base modules 251 are used to deposit
Gamma correction curve is stored up, and provides correction signal to source drive module 217 and is used to correct the gray scale voltage, to meet people
Nonlinear requirements of the eye to brightness change.
The integrated control device of the embodiment of the present invention internally incorporate display unit, touch control unit, such as fingerprint unit,
Audio unit, elementary area etc. are directed to the sensor unit that can set sensor on a display screen and safe module, energy
Enough it is arranged on and possesses in touch-control and the electronic equipment of display function as one single chip, has display driving concurrently, touch-control drives, on screen
Sensors relay management and the function of sensing data protection.While system low-power consumption is ensured, hardware level can be realized
Other data protection, improves security.Integrated design also simplify system design and also reduce the work of main control unit
Burden.However, the invention is not restricted to this.Integrated control chip 220 can form multiple chips, and be commonly mounted on display screen
On the circuit board at end.
Sensed data, wake up procedure etc. are stored using flash memory in the integrated control device of the embodiment.However, this
Invention not limited to this.In alternate embodiments, integrated control chip can use any kind of nonvolatile memory, example
Such as selected from any 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 the outside of integrated control chip and be connected via bus with integrated control chip, with reduce system into
This.
Fig. 6 shows the schematic block diagram of integrated control device according to a fourth embodiment of the present invention.The integrated control device
Suitable for the electronic equipment with AMOLED display screens.
As illustrated, 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 is not limited to above-mentioned touch control unit 221, fingerprint unit 222, audio unit 223 and
Elementary area 224, respectively with touch sensing 120, fingerprint sensor 130, audio sensor 140 and the phase of imaging sensor 150
Even, 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 certain embodiments, control core is integrated
Piece 230 obtains the mark of each sensor by the hardware interface of sensor unit 22, such as can consider and come 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
Supply.In alternate embodiments, mark and induced 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, safety 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 the result, encipheror, safety
Proving program etc. at least one of is worked as.In this embodiment, the validation template of memory 2022 can come from main control unit
300 or under the control of processor 211 locally collection 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 checking 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 advantageous to improve security.
Processor 211 is the RISC CPU, including but not limited to ARM, MIPS, OPEN of von Karman or Harvard framework
RISC etc., 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 collection 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
Ask at family.Processor 200 can also control safe module 202 to perform safety-related operation, such as basis comes from main control unit
Instruction by sensed data encrypt and/or based on sensed data carry out safety verification.In certain embodiments, safety can be used
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 collection carry out safety verifications, and safety verification by when wake up main control unit 300.Processor 211
Main control unit 300 is supplied to after sensed data, encryption data, safety verification result etc. being packed.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
So 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 digital I/O, such as I2C agreements and SPI protocol, and carry
For multiple digital I/O pins.The user interface 205 can communicate with one another with the primary processor on mainboard.
Memory cell 204 can include data RAM 241, program RAM 242, guiding ROM 243 and flash memory 244.Dodging
Sensed data, wake up procedure, scheduling rule etc. can be stored in depositing 244.For example, can be in the upper of integrated control chip 230
During electricity, the bootstrap in ROM243 is guided to detect flash memory 244, and load wake up procedure and/or tune from flash memory 244
Program is spent to perform wake-up and/or Sensor scheduling.Caused data can be stored in data to processor 211 during operation
In RAM 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 produces graph data.Graphics engine 213 is used to control 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, so that
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 provide the gray scale voltage S1 to Sn corresponding with GTG, so as to apply on a light emitting diode
The electric current of numerical value corresponding with gray scale voltage and light, to realize the luminosity corresponding with GTG.Gamma base modules 251
For storing gamma correction curve, and nematic drive module 227 provides correction signal and is used to correct the gray scale voltage, with symbol
Close the nonlinear requirements that human eye changes to brightness.
The integrated control device of the embodiment of the present invention internally incorporate display unit, touch control unit, such as fingerprint unit,
Audio unit, elementary area etc. are directed to the sensor unit that can set sensor on a display screen and safe module, energy
Enough it is arranged on and possesses in touch-control and the electronic equipment of display function as one single chip, has display driving concurrently, touch-control drives, on screen
Sensors relay management and the function of sensing data protection.While system low-power consumption is ensured, hardware level can be realized
Other data protection, improves security.Integrated design also simplify system design and also reduce the work of main control unit
Burden.However, the invention is not restricted to this.Integrated control chip 230 can form multiple chips, and be commonly mounted on display screen
On the circuit board at end.
Sensed data, wake up procedure etc. are stored using flash memory in the integrated control device of the embodiment.However, this
Invention not limited to this.In alternate embodiments, any kind of non-volatile memories can be used by integrating control chip 230
Device, it is selected from any 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 show in display system according to embodiments of the present invention using time-sharing multiplex mode carry out display and touch-control when
Sequence figure.
In actual 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 periodicity polling status with relatively low working frequency.
For touch control detection, when sensing unit senses touch number to working condition, collection when having object touch, is converted to
According to now display data and touch data are by the way of time-sharing multiplex.
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.
Identify, be preset for contactless biometric.Collection for needing artificial supervision, string can be used
Row data frame, switching display data are current gathered data, after currently displayed gathered data terminates, then are switched to original
Picture to be shown.If, can be with and contactless biometric identification gatherer process need not manually supervise (unsupervised)
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, which meets, requires, then can show and be currently capturing object, and now display data is imaging sensor
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, influence of noise of the display unit for touch control unit are smaller.Thus exist
During device real work, display and touch-control use time-sharing multiplex principle, display data processing can be handled with touch data when
Between it is upper separate, interfered 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 the different periods, 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 have must for frame per second and the time accounting of two kinds of periods
Ask.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.
Above time-sharing multiplex function, can be operated by software program, can also combine MUX multiplexings multiplexing selecting unit
Switch over.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
According to embodiments of the invention as described above, these embodiments do not have all details of detailed descriptionthe, not yet
It is only described specific embodiment to limit the invention.Obviously, as described above, can make many modifications and variations, including but
It is not limited to change to the local structure of circuit, the replacement to the type or model of component.This specification is chosen and specifically retouched
These embodiments are stated, are in order to preferably explain the principle and practical application of the present invention, so that art technology people
Member can be used using modification of the invention and on the basis of the present invention well.The present invention is only by claims and its whole
The limitation of scope and equivalent.
Claims (10)
- A kind of 1. integrated control device, it is characterised in that including：Multiple sensor units, it is connected respectively with multiple sensors, for gathering sensed data from the multiple sensor；First processor, for managing the multiple sensor unit from the multiple sensor collection sensed data, and according to Default rule exports the sensed data of collection according to the instruction received；Safe module, for carrying out safety verification and/or right according at least part sensed data under the control of first processor At least part sensed data is encrypted；Communication interface, it is connected with first processor, is communicated for the main control unit with electronic equipment.
- 2. integrated control device according to claim 1, it is characterised 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；Memory cell, for storing sensed data, encryption data, for the validation template and the result of safety verification among It is at least one.
- 3. integrated control device according to claim 1, it is characterised in that the first processor is additionally operable to according to collection Sensed data judge whether to meet the condition for waking up main control unit, if it is, by main control unit in a dormant state Wake up.
- 4. integrated control device according to claim 1, it is characterised in that the first processor is additionally operable to receiving peace Control safe module to carry out safety verification according to the sensed data of collection during full checking instruction, and judge to be according to the result The no condition for meeting to wake up main control unit.
- 5. integrated control device according to claim 1, it is characterised in that also include：Display unit, for providing display drive signals to display device；The first processor is additionally operable to control the display unit to provide display drive signals to display device.
- 6. integrated control device according to claim 1, it is characterised in that at least one in the multiple sensor unit Individual sensor unit includes：First interface, for being communicated with corresponding sensor；Logic module, for providing drive signal to corresponding sensor and receiving induced signal from the corresponding sensor, And the induced signal to receiving is amplified and digital-to-analogue conversion, to produce sensed data；AndSecond interface, for being communicated with the first processor.
- 7. integrated control device according to claim 1, it is characterised 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, it is characterised in that the integrated control device is one single chip.
- A kind of 9. display system, it is characterised in that including：Display device, for according to display data display image；Multiple sensors, for producing induced signal；Integrated control device according to any one of claim 1 to 8.
- 10. display system according to claim 9, it is characterised in that the display device include LCDs or AMOLED display screens.
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