CN107817964A - Electronic equipment, display system and its integrated control device - Google Patents
Electronic equipment, display system and its integrated control device Download PDFInfo
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- CN107817964A CN107817964A CN201711243023.5A CN201711243023A CN107817964A CN 107817964 A CN107817964 A CN 107817964A CN 201711243023 A CN201711243023 A CN 201711243023A CN 107817964 A CN107817964 A CN 107817964A
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
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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
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
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- Human Computer Interaction (AREA)
- Computer Hardware Design (AREA)
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Abstract
This application discloses electronic equipment, display system and its integrated control device.The integrated control device includes：Display unit, for providing display drive signals to display screen；Multiple sensor units, it is respectively used to gather sensed data from multiple sensors；Processor, for controlling the display unit and multiple sensor units, manage according to the application instruction received and coordinate the multiple sensor unit；And communication interface, for being communicated between the main control unit of electronic equipment.System design complexity is simplified, and alleviates the burden of main control chip.
Description
Technical field
The application is related to display technology field, more particularly, to electronic equipment, display system and its integrated control dress
Put.
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.The display screen configured on an electronic device is applied not only to display image and text, and is further developed into man-machine interaction
Important channel.Touch sensing, fingerprint sensor, audio sensor, imaging sensor etc. can be integrated on a display screen, from
And form display system.User can directly input word, selection icon, gesture control on a display screen and such as be referred to
Living things feature recognition of line, vocal print, iris, face etc etc. operates.
Various sensors and display screen are components independent of each other in conventional art, single each via single control
Member is connected on the main control unit of electronic equipment.Because component count is more, function is complicated, complex procedures when causing to assemble, takes
More space and it may interfere with each other each other, package size is big, it is difficult to lightening.Such as mobile phone smart machine, due to the above
The limitation of component, cause screen accounting less than normal, assembling difficulty, the high enterprise of cost.On the other hand, because multiple assembly is directly by master control
Chip coordinates and management, causes the main control unit work load of electronic equipment heavy.
The content of the invention
In view of the above problems, it is an object of the invention to provide a kind of electronic equipment, display system and its integrated control dress
Put, wherein, multiple sensor units are incorporated in the integrated control device of display system, integrated control device is being shown
While driving, additionally it is possible to be managed collectively and coordinate this multiple sensor unit to carry out the collection of data and transmission, so as to letter
Change system design complexity, and alleviate the burden of main control chip.
According to the first aspect of the invention, there is provided a kind of integrated control device, including：Display unit, for display screen
Display drive signals are provided；Multiple sensor units, it is respectively used to gather sensed data from multiple sensors；Processor, it is used for
The display unit and multiple sensor units are controlled, manages according to the application instruction received and coordinates the multiple sensing
Device unit；And communication interface, for being communicated between the main control unit of electronic equipment.
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 the processor communication.
Preferably, at least one sensor unit in the multiple sensor unit also includes：3rd interface, for
The main control unit communication.
Preferably, the processor is additionally operable to handle at least part sensed data in the sensed data, and
Exported by the communication interface at least one among sensed data, treated sensed data and result.
Preferably, the integrated control device also includes：Nonvolatile memory, for storing sensed data, by place
It is at least one among the sensed data and result of reason.
Preferably, the multiple sensors include touch sensing, fingerprint sensor, palmprint sensor, audio sensor,
At least one of 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 screen, for according to display data
Display image；At least one sensor, for obtaining the induced signal of user mutual；And above-mentioned integrated control device.
According to the third aspect of the invention we, there is provided a kind of electronic equipment, including：Above-mentioned display system；And master control
Unit, for sending application instruction to display system, and data transmission is carried out between display system, the application instruction bag
The information related to the management of the multiple sensors in display system and scheduling is contained.
According to an embodiment of the invention, control chip is integrated in addition to possessing display driving function, is also internally integrated
Multiple sensor units are more for fingerprint sensor, audio sensor, imaging sensor, pressure sensor etc. respectively
Kind of sensor, the processor of integrated control chip are capable of the main control unit of auxiliary electronic equipment to manage and coordinate multiple sensors
The data acquisition and transmission of unit, simplify system design compared to conventional art and alleviate the burden of main control unit.
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.The structure chi of existing display module can be reduced using integrated control device
It is very little, electronic component quantity is reduced, reduces design complexities, improves yield rate.
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 equivalent circuit diagram of liquid crystal display device in display system according to embodiments of the present invention.
Fig. 2 shows the equivalent circuit diagram of contactor control device in display system according to embodiments of the present invention.
Fig. 3 shows the internal structure schematic diagram of display system according to embodiments of the present invention.
Fig. 4 shows the circuit connection diagram of the electronic equipment comprising display system according to embodiments of the present invention.
Fig. 5 shows the schematic block diagram of the electronic equipment comprising display system according to embodiments of the present invention.
Fig. 6 shows the schematic block diagram of sensor unit according to embodiments of the present invention.
Fig. 7 shows a kind of schematic block diagram of integrated control device in display system according to embodiments of the present invention.
Fig. 8 shows the schematic block diagram of another integrated control device in display system according to embodiments of the present invention.
Fig. 9 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.
Display system according to embodiments of the present invention includes display device and at least one biography for obtaining user profile
Sensor.The display device is, for example, selected from LCDs, LED display, AMOLED display screens, quantum dot display screen, electronics
Any of paper, MicroLED display screens.The sensor be, for example, selected from contactor control device, fingerprint sensor, optical sensor,
Any of acoustic sensor.In examples below, illustrated by taking Touch-control liquid crystal display screen as an example, wherein, display
Device is liquid crystal display device, and sensor is contactor control device.
Fig. 1 shows the equivalent circuit diagram of liquid crystal display device in display system according to embodiments of the present invention.
Liquid crystal display device 110 include grid electrode drive module 111, source drive module 112, multiple thin film transistor (TFT) T, with
And the multiple pixel capacitance C formed between pixel electrode and public electrodeLC.The multiple thin film transistor (TFT) T forms array.Grid
Pole drive module 111 is respectively connecting to the thin film transistor (TFT) T of corresponding line grid via a plurality of controlling grid scan line, for scanning
Mode grid voltage G1 to Gm is provided, so as in a picture frame period, gate the thin film transistor (TFT) do not gone together.Source electrode drives
Dynamic model block 112 is respectively connecting to the thin film transistor (TFT) T of respective column source electrode via a plurality of source data line, in the more of each row
During individual thin film transistor (TFT) T gatings, the gray scale voltage S1 corresponding with GTG is provided extremely to multiple thin film transistor (TFT) T of each row respectively
Sn.Wherein, m and n is natural number.The multiple thin film transistor (TFT) T drain electrode is respectively connecting to a corresponding pixel capacitance CLC。
Under strobe state, source drive module 112 applies gray scale voltage via source data line and thin film transistor (TFT) T
It is added in pixel capacitance CLCOn.Pixel capacitance CLCOn voltage act on liquid crystal molecule, so as to change the orientation of liquid crystal molecule,
To realize the light transmittance corresponding with GTG.In order to keep voltage, pixel capacitance C between the update cycle of pixelLCCan be simultaneously
Join storage capacitance Cs to obtain the longer retention time.
Fig. 2 shows the equivalent circuit diagram of contactor control device in display system according to embodiments of the present invention.
Contactor control device 120 includes touch-control drive module 121, touch-control sensing module 122 and in exciting electrode and induced electricity
The multiple inductance capacitance CT formed between pole.The multiple inductance capacitance CT forms array.Touch-control drive module 121 is connected to institute
There is capable exciting electrode, for providing pumping signal Tx1 to Txm in a manner of scanning, so that in a touch-control frame period, according to
It is secondary to provide pumping signal to the exciting electrode do not gone together.Touch-control sensing module 122 is connected to the induction electrode of all row, so as to connect
Receive the reception signal Rx1 to Rxn of respective column.Wherein, m and n is natural number.
Touch-control drive module 121 for example produces ac signal and for example received as pumping signal, touch-control sensing module 122
Ac signal, current value is detected according to reception signal, driving electrodes and sensing are further obtained according to the size of current value
The capacitance of electrode crossings, so as to judge whether to produce touch action in the point.
Fig. 3 shows the internal structure schematic diagram of display system according to embodiments of the present invention.In this embodiment, display system
Unite as touching display screen 100.
As illustrated, touching display screen 100 includes liquid crystal display and stacks gradually the and of touch sensing 171 thereon
Glass cover-plate 172.Liquid crystal display includes the backlight illuminating unit 131 for providing backlight and the liquid crystal for changing light transmittance according to grayscale signal
Panel.Touch sensing 171 is for example used as substrate using plastic sheet.
Liquid crystal panel further comprises the first glass substrate 141 relative to each other successively, the second glass substrate 142, is clipped in
Therebetween liquid crystal layer 161, the first polaroid 142 and tft array 143 are formed on the first glass substrate 141, in the second glass
The second polaroid 152 and colour filter 153 are formed on glass substrate 142.
First glass substrate 141 also forms a plurality of controlling grid scan line and a plurality of source data line and multiple pixel electrodes, TFT
Array 143 includes multiple thin film transistor (TFT)s, and the grid of the thin film transistor (TFT) is connected to a corresponding controlling grid scan line, source electrode
A corresponding source data line is connected to, drain electrode is connected to a corresponding pixel electrode.In pixel electrode and public electrode
Between form pixel capacitance.As described below, liquid crystal panel also includes driving chip, the grid electrode drive module in the driving chip
Grid voltage and gray scale voltage are provided respectively with source drive module.
Under the strobe state of thin film transistor (TFT), source drive module is via source data line and thin film transistor (TFT), by ash
Rank voltage is applied to pixel capacitance CLCOn.Pixel capacitance CLCOn voltage act on liquid crystal molecule, so as to change liquid crystal molecule
Orientation, to realize the light transmittance corresponding with GTG, so as to realize that corresponding GTG is shown.
The touching display screen 100 of " cover plate externally embedded type sensor " is shown in this embodiment, with the base of the explanation present invention
Present principles.However, present invention could apply to the touching display screen of various structures, and be not limited to the type of sensor and its showing
Integration mode in display screen.
Using this design method, touch sensing 171 or it is added on glass cover-plate (Cover Glass, CG), or
Person is placed in a special sensor layer.Method touch sensing 171 being incorporated on glass cover-plate is sometimes referred to as " cover plate
Externally embedded type sensor (Sensor-on-Lens, SoL) " or " cover plate integrated solution (One Glass Solution,
OGS), because this method need not increase a single sensor layer, merely with glass cover-plate.Passed using independent touch-control
The design method of sensor 171 is referred to as glass-film (Glass-Film, GF) or glass-film-film (Glass-Film-
Film, GFF), the former uses single-layer electrodes, and the latter uses two layers of electrode.These design methods are referred to as " separate type ", that is, touch
Control sensor 171 is as independent build stack on the surface of liquid crystal display.The advantage of separate type touch sensing coating is,
Technology maturation, risk are low, launch is fast.When using newest display and touch technology, separation design can be also used, at this
In the case of kind, usually separation design is integrated into subsequent design link.
In further improved structure, the electrod-array of touch sensing 171 is directly integrated into one layer of liquid crystal display
Or in multilayer.It is this it is integrated can be realized on the elementary cell in display screen or within elementary cell, i.e. externally embedded type (On-
Cell) integrate or embedded (In-Cell) is integrated.
The setting of touch control electrode array is referred to as into externally embedded type to the method on the second glass substrate 151 to integrate, because sensing
Device is located on display screen elementary cell.The driving electrodes and receiving electrode of sensor can also may be used with jumper electrical isolation
To use particular topology, so that these grids can be achieved with without building bridge.Kind design afterwards is referred to as individual layer multiple spot externally embedded type
(Single-Layer-On-Cell, SLOC), this design is very common, because cost is relatively low, yield is higher.
It is simple, reliable to display screen increase touch controllable function using externally embedded type technology, and this method is for active matrix
For Organic Light Emitting Diode (Active-Matrix Organic Light Emitting Diode, AMOLED) display screen,
Often optimal selection.For relatively large display screen and curved surface or flexible display screen, integrated in a manner of outer without bridging
The metal net shaped sensor of line is also to select well.
Another embedded integrate belongs to hybrid design, and the driving electrodes of wherein touch sensing are embedded in the first glass
On substrate 141, and receiving electrode is then embedded on the second glass substrate 151.It is embedded that this mode is referred to as mixing multiple spot
(Hybrid In-Cell) is designed.In order to avoid obscuring, term " comprehensive multiple spot is embedded (Full In-Cell) " refers to drive
Moving electrode and receiving electrode are respectively positioned within elementary cell.
In this embodiment, touch sensing is integrated with the display system.In alternate embodiments, except touch-control senses
Outside device, various Photobiology sensors, such as fingerprint sensor, acoustic sensor, optical sensor etc. can also be integrated, is used
In biological informations such as collection fingerprint, vocal print, irises.
Fig. 4 shows the circuit connection diagram of display system according to embodiments of the present invention.In this embodiment, display system
Unite as touching display screen 100.Touching display screen 100 further comprises integrated control chip 210, for for the film in liquid crystal display
Transistor provides display drive signals, including grid voltage and gray scale voltage, and is the driving electrodes control in touch sensing
Touch-control drive signal processed, and reception signal is obtained from the receiving electrode in touch sensing, to judge touch location.This is integrated
Control chip 210 is connected to mainboard 410 via connection component 310.Connection component 310 is, for example, flexible PCB.Mainboard 410 wraps
The primary processor (hereinafter referred main control unit 410) as main control unit is included, for realizing the function of operating system.
The integrated control device of prior art is used to realize at least one of display driving and touch-control driving function, but simultaneously
Such as fingerprint sensor, audio sensor, imaging sensor, pressure sensor, temperature sensor, humidity sensor can not be managed
Etc. the data acquisition and transmission of other sensors.These usual sensors are connected to electronic equipment by single control circuit
On mainboard, by the main control unit on mainboard come independent control.
Different from the integrated control device of prior art, the integrated control chip of the embodiment of the present invention drives except possessing display
Outside dynamic function, multiple sensor units are also internally incorporated, are directed to such as fingerprint sensor, audio sensor, figure respectively
As multiple sensors such as sensor, pressure sensor, temperature sensor, humidity sensors, the processor energy of integrated control chip
The main control unit of enough auxiliary electronic equipments is come the data acquisition and transmission that manage and coordinate multiple sensors unit, compared to tradition
Technology simplifies system design and alleviates the burden of main control unit.
Fig. 5 shows the schematic block diagram of the electronic equipment comprising display system according to embodiments of the present invention.Such as Fig. 5 institutes
Show, electronic equipment includes main control unit 410 and display system, such as touching display screen described above 100.Display system can be with
Including：Display device 110；At least one sensor, including but not limited to touch sensing 120, fingerprint sensor 130, audio
Sensor 140, imaging sensor 150 etc.；And integrated control device, control chip 210 is integrated as described above.
Integrated control device 210 includes processor 211, memory cell 24, display unit 21, the and of multiple sensor units 22
Communication interface 261.
As shown in figure 5, multiple sensor units include touch control unit 221, fingerprint unit 222, audio unit 223 and figure
As unit 224 (hereafter be referred to as sensor unit 22), respectively with touch sensing 120, fingerprint sensor 130, audio sensor
140 are connected with imaging sensor 150, for gathering sensed data from corresponding sensor under the control of processor 211 and carrying
Supply processor 211.
The main control unit 410 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.
The control display unit 21 of processor 211 and multiple sensor units 22, managed according to the application instruction received
With the multiple sensor unit 22 of coordination.For example, main control unit 410 can be needed come to integrated control device according to application
210 send application instruction, using that can include the information relevant with the management and coordination of each sensor unit 22 in instruction, collect
Processor 211 into control device 210 carries out sensed data according to application instruction to manage and coordinate each sensor unit 22
Collection and transmission.As an example, user's start needs fingerprint authentication, selected in fingerprint authentication by rear user by touch control
Select and take pictures, then just need integrated control device 210 first to control fingerprint unit 222 to gather finger print data from fingerprint sensor 130,
Control touch control unit 221 to gather touch data from touch sensing 120 again after in fingerprint authentication, and triggered in touch control operation
View data is obtained from imaging sensor 150 by elementary area 224 after photographing operation.Main control unit 410 can pass through
Application instruction is sent to integrated control device 210 to inform the beginning and end of this sequence of operations and association each other
Adjust.In certain embodiments, processor 211 determines whether collision event in can also being instructed from application, when two or more
, can be according to rule set in advance or according to from main control unit 410 when the data acquisition of sensor unit has conflict
Coordination information coordinate the operation of sensor unit clashed.Processor 211 is also based on sensed data to carry out
The data processing operations such as data encryption, safety verification, living things feature recognition, and by sensed data, by data processing
Sensed data and data processed result are supplied to main control unit 410 after at least one of working as packing.Such as can be in data
Additional start bit and type identification, add stop bits after data content and check bit, main control unit 410 can roots before holding
Which among sensed data, treated sensed data and data processed result carrys out identification data content according to type identification is
Kind, can also identify sensed data be touch sensible data, it is finger print data, view data, any among voice data.
Memory cell 24 can be nonvolatile memory, such as flash memory, it can store sensed data, by data at
The sensed data and data processed result of reason at least one of are worked as.
Communication interface 231 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 410.
The structure of multiple sensor units 22 described below with reference to Fig. 6, in plurality of sensor unit 22 at least
One structure can with Fig. 6.As shown in fig. 6, 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 410.For example, Fig. 5 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 410
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
410.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 410 obtains the data after sensed data or its processing via the assistance of processor 211；Master control list in the second operation mode
Member 410 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 410
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 410, in this case, similar
In aforesaid way, main control unit 410 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 chip of the embodiment of the present invention also internally incorporates multiple in addition to possessing display driving function
Sensor unit, such as fingerprint sensor, audio sensor, imaging sensor, pressure sensor, TEMP are directed to respectively
The multiple sensors such as device, humidity sensor, the main control unit that the processor of integrated control chip is capable of auxiliary electronic equipment carry out pipe
Reason and the data acquisition and transmission for coordinating multiple sensors unit, simplify system design compared to conventional art and alleviate
The burden of main control unit.
Fig. 7 shows a kind of schematic block diagram of integrated control device in display system according to embodiments of the present invention.This is aobvious
Show system for example with LCDs.
As illustrated, integrated control chip 210 includes processor 211, communication interface 231, memory cell 24, display unit
21 and sensor unit 22.
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 be managed and assisted according to the application instruction received
The multiple sensor unit 22 is adjusted to carry out the collection and transmission of sensed data.Processor 211 can also be directed to touch control detection or
Optimized for the sensor of remaining type.It can be inputted in processing locality touch-control, to judge whether to need wake operation
Systems process user is asked.In certain embodiments, processor 211 be also based on sensed data carry out such as data encryption,
The data processing operations such as safety verification, living things feature recognition, and as needed provide corresponding data via communication interface 231
To main control unit 410.For example, processor 211 can be by undressed sensed data, biometric templates, safety verification knot
One or more packings among fruit and encryption data are supplied to main control unit 410.
Communication interface 231 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 231 can communicate with one another with the primary processor on mainboard.
Memory cell 24 can include data RAM 241, program RAM 242, guiding ROM 243 and flash memory 244.In flash memory
Following at least one can be stored in 244：Sensed data, encryption data, characteristic, encipheror, key and proving program.
For example, during the upper electricity of integrated control chip 210 bootstrap in ROM243 can be guided to detect flash memory 244, and
Encipheror is loaded from flash memory 244 sensitive data is encrypted, and store the sensitive data after encryption when needing encryption.
Caused data can be stored in data RAM 241 processor 211 during operation.In this embodiment, in flash memory 244
Characteristic can come from primary processor on mainboard or under the control of processor 211 locally at collection and data
Manage the characteristic obtained.In the case of the latter, the not only sensitive data of user but also characteristic is locally generated.Behaviour
Make system and only obtain the result from integrated control chip 210, and both sensitive data and characteristic can not be got, from
And be advantageous to improve security.
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.
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. 6 describe structure.In certain embodiments, control core is integrated
Piece 210 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 210, in order to which integrated control chip 210 distinguishes that sensed data comes from that sensor..
At least one of display driving and touch-control driving function are had according to the integrated control device of prior art, and such as
The sensor of fingerprint sensor, audio sensor, imaging sensor, pressure sensor etc passes through single control unit and master
Plate is connected, and is managed and is controlled by the main control unit on mainboard.
Unlike the prior art, in this embodiment, integrate to incorporate in control chip 210 and be directed to multiple sensors respectively
120 to 150 multiple sensor units 22, processor 211, can be with addition to display driving and touch-control driving function
Have the multiple sensors function such as fingerprint collecting, IMAQ concurrently.On the one hand, originally independent, scattered sensor control circuit is whole
It is combined, so as to reach highly integrated synergy, reduces assembly process and make component space-consuming minimization, simplify people
The design of machine interaction systems.On the other hand, the main control unit of electronic equipment need not connect and manage one by one numerous sensing
Device, alleviate the work load of main control unit.In certain embodiments, integrated control device can also locally carry out some data
Processing, such as data encryption, safety verification etc., so as to further improve security.However, the invention is not restricted to a little.It is integrated
Control chip 210 can form multiple chips, and be commonly mounted on the circuit board at display screen end.
Sensed data, characteristic, encryption are stored using flash memory 244 in the integrated control chip 210 of the embodiment
At least one of program, encryption data and proving program.However, the invention is not restricted to this.In alternate embodiments, integrate
Control chip 210 can use any kind of nonvolatile memory, be selected from flash memory, SRAM, DRAM, EEPROM,
Any of EPROM.
In this embodiment, flash memory 244 is integrated in integrated control chip 210, to improve security.In the implementation of replacement
In example, flash memory 244 can be located at the outside of integrated control chip 210 and be connected via bus with integrated control chip 210,
To reduce system cost.
Fig. 8 shows the schematic block diagram of another integrated control device in display system according to embodiments of the present invention.Should
Display system is for example with AMOLED display screens.
As illustrated, integrated control chip 220 include processor 211, communication interface 231, memory cell, display unit and
Touch control unit.
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 be managed and assisted according to the application instruction received
The multiple sensor unit 22 is adjusted to carry out the collection and transmission of sensed data.Processor 211 can also be directed to touch control detection or
Optimized for the sensor of remaining type.It can be inputted in processing locality touch-control, to judge whether to need wake operation
Systems process user is asked.In certain embodiments, processor 211 be also based on sensed data carry out such as data encryption,
The data processing operations such as safety verification, living things feature recognition, and as needed provide corresponding data via communication interface 231
To main control unit 410.For example, processor 211 can be by undressed sensed data, biometric templates, safety verification knot
One or more packings among fruit and encryption data are supplied to main control unit 410.
Communication interface 231 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 231 can communicate with one another with the primary processor on mainboard.
Memory cell 24 can include data RAM 241, program RAM 242, guiding ROM 243 and flash memory 244.In flash memory
At least one of sensed data, characteristic, key, encryption data, encipheror and proving program are stored in 244.Collecting
Into control chip 220 upper electricity during, guide the bootstrap in ROM243 to detect flash memory 244, and from flash memory 244 plus
Encipheror and proving program are carried, and is decrypted and stores data in program RAM.Processor 211 is during operation
Caused data can be then stored in data RAM 241.In this embodiment, the characteristic in flash memory 244 can come from
Primary processor on mainboard or the characteristic that locally collection and data processing obtain under the control of processor 211.
In the case of the latter, the not only sensitive data of user but also characteristic is locally generated.Operating system is only from integrated
Control chip 220 obtains the result, and can not get both sensitive data and characteristic, so as to be advantageous to further carry
High security.
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.
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. 6 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.
In this embodiment, integrate and incorporated in control chip 220 respectively for the multiple of multiple sensors 120 to 150
Sensor unit 22, processor 211 except with display driving and touch-control driving function in addition to, can also have concurrently fingerprint collecting,
The multiple sensors function such as IMAQ.On the one hand, originally independent, scattered sensor control circuit combines, so as to
Reach highly integrated synergy, reduce assembly process and make component space-consuming minimization, simplify human-computer interaction system
Design.On the other hand, the main control unit of electronic equipment need not connect and manage one by one numerous sensor, alleviate master control
The work load of unit.In certain embodiments, integrated control device can also locally carry out some data processings, such as data
Encryption, safety verification etc., so as to further improve security.In certain embodiments, integrated control device can also be local
Some data processings, such as data encryption, safety verification etc. are carried out, so as to further improve security.However, the present invention is not
It is limited to.Integrated control chip 210 can form multiple chips, and be commonly mounted on the circuit board at display screen end.
Sensed data, characteristic, encryption are stored using flash memory 244 in the integrated control chip 210 of the embodiment
At least one of program, encryption data and proving program.However, the invention is not restricted to this.In alternate embodiments, integrate
Control chip 210 can use any kind of nonvolatile memory, be selected from flash memory, SRAM, DRAM, EEPROM,
Any of EPROM.
In this embodiment, flash memory 244 is integrated in integrated control chip 220, to improve security.In the implementation of replacement
In example, flash memory 244 can be located at the outside of integrated control chip 220 and be connected via bus with integrated control chip 220,
To reduce system cost.
Fig. 9 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 figure 9, 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 (9)
- A kind of 1. integrated control device, it is characterised in that including：Display unit, for providing display drive signals to display screen；Multiple sensor units, it is respectively used to gather sensed data from multiple sensors；Processor, for controlling the display unit and multiple sensor units, according to the application instruction received managing and Coordinate the multiple sensor unit；AndCommunication interface, for being communicated between the main control unit of electronic equipment.
- 2. 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 the processor communication.
- 3. integrated control device according to claim 2, it is characterised in that at least one in the multiple sensor unit Individual sensor unit also includes：3rd interface, for being communicated with the main control unit.
- 4. integrated control device according to claim 1, it is characterised in that the processor is additionally operable to the sensing number At least part sensed data in is handled, and exports sensed data, treated sensing by the communication interface It is at least one among data and result.
- 5. integrated control device according to claim 1, it is characterised in that also include：Nonvolatile memory, for depositing Store up at least one among sensed data, treated sensed data and result.
- 6. integrated control device according to claim 1, it is characterised in that the multiple sensors sense including touch-control At least one of device, fingerprint sensor, palmprint sensor, audio sensor, imaging sensor.
- 7. integrated control device according to claim 1, wherein, the integrated control device is one single chip.
- 8. a kind of display system, including：Display screen, for according to display data display image；At least one sensor, for obtaining the induced signal of user mutual；Integrated control device according to any one of claim 1 to 8.
- 9. a kind of electronic equipment, including：Display system according to claim 8；Main control unit, for sending application instruction to display system, and data transmission is carried out between display system, it is described to answer The information related to the management of the multiple sensors in display system and scheduling is contained with instruction.
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