CN109828694A - A kind of display equipment with identification and detection function - Google Patents
A kind of display equipment with identification and detection function Download PDFInfo
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- CN109828694A CN109828694A CN201910189587.8A CN201910189587A CN109828694A CN 109828694 A CN109828694 A CN 109828694A CN 201910189587 A CN201910189587 A CN 201910189587A CN 109828694 A CN109828694 A CN 109828694A
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Abstract
The display equipment with identification and detection function that the invention discloses a kind of, belong to electronic technology field, the present invention is by being embedded in fingerprint Identification sensor in display equipment specific region, fingerprint identification function and touch detection function can be realized on a display screen, setting display driving alternately works with Scanning Detction driving, its sequence in no particular order, since transistor shares a scan line, opens and closes simultaneously.In the case where not increasing original LCD light shield, fingerprint Identification sensor and touch detection sensor are embedded in display equipment specific region, realize fingerprint recognition and touch detection in screen specific region, the integrated level that terminal shows product can be improved, reduce production cost, make terminal show that product especially portable electronic device is more frivolous simultaneously, obtains more excellent appearance, improve the user experience.
Description
Technical field
The present invention relates to electronic circuit fields, and in particular to a kind of display equipment with identification and detection function.
Background technique
Currently, display equipment in integrated fingerprint identification sensor, touch control detection device, and realize fingerprint identification function,
The method of touch detection function is constantly suggested.Therefore technical research is needed in the case where not increasing original LCD light shield,
Display equipment is embedded in fingerprint Identification sensor and touch detection sensor, realizes fingerprint recognition and touch in screen specific region
The integrated level that terminal shows product can be improved in detection, reduces production cost, while terminal being made to show that product is especially portable
Formula electronic equipment is more frivolous, obtains more excellent appearance, and improving the user experience is following trend.Need basis
Above-mentioned technical effect carries out carrying out innovation to technology, it is therefore desirable to design a kind of display screen while have real function
Also with the display equipment of fingerprint recognition and touch control.
Summary of the invention
The present invention is directed to disclose a kind of display equipment with identification and detection function, the present invention is not increasing original LCD
In the case where light shield, it is embedded in fingerprint Identification sensor in display equipment specific region, can realize that fingerprint is known on a display screen
The integrated level that terminal shows product can be improved in other function and touch detection function, reduces production cost, while making terminal aobvious
Show that product especially portable electronic device is more frivolous, obtains more excellent appearance, improve the user experience.
The technical scheme adopted by the invention is as follows:
A kind of display equipment with identification and detection function, the display equipment include multiple detection piecemeals and an identification inspection
Piecemeal is surveyed, any position of the display equipment is arranged in the recognition detection piecemeal, and the recognition detection piecemeal is for identification
Fingerprint signal and detection touch signal, the recognition detection piecemeal with the first DATA line end, the second DATA line end,
Third DATA line end is connected with VCOM/TP line end.
Further, the recognition detection piecemeal includes the first DATA line, the second DATA line, the 3rd DATA number
It is thin according to line, VCOM/TP control line, public electrode, three pieces of pixel electrodes, first film transistor, the second thin film transistor (TFT), third
Film transistor and the 4th thin film transistor (TFT), three pieces of pixel electrodes are arranged in public electrode either above or below, three pieces of pixels
Electrode is electrically connected with first film transistor, the second thin film transistor (TFT) and third thin film transistor (TFT) respectively, and the first film is brilliant
Body pipe is connect with the first DATA line, and second thin film transistor (TFT) is connect with the second DATA line, the third film
Transistor is connect with third DATA line, and the 4th thin film transistor (TFT) is connect with VCOM/TP control line and public electrode.
Further, three pieces of pixel electrodes include the first pixel electrode, the second pixel electrode and third pixel electrode,
First pixel electrode is connect with first film transistor, and second pixel electrode is connect with the second thin film transistor (TFT), institute
Third pixel electrode is stated to connect with third thin film transistor (TFT).
Further, the recognition detection piecemeal include the first display module, the second display module, third display module and
Control module；First display module is connect through the second display module, third display module with control module, and described first is aobvious
Show that module, the second display module, third display module and control module are electrically connected with SCAN scanning end, the first display mould
Block is connect with the first DATA line end, and second display module is connect with the second DATA line end, and the third is shown
Module is connect with third DATA line end, and the control module is connect with VCOM/TP line end；First display module, second show
Show that module and third display module are used to the capacitance sensor that driving display screen showed and constituted recognition detection；Control module is used
Common electrode signal is shown and transmitted in control display screen and be used for transmission the signal of fingerprint recognition and touch control detection.
Further, first display module includes the first transistor, the first pixel electrode, first capacitor and the 5th electricity
Holding, the grid of the first transistor is electrically connected with SCAN scanning end, and it drains and is connect with the first DATA line end, source electrode and the
The connection of one pixel electrode, the one end of first pixel electrode as first capacitor, the other end of the first capacitor are public
Electrode, one end of the 5th capacitor are that the public electrode other end is connect with the first DATA line end.
Further, second display module includes second transistor, the second pixel electrode, the second capacitor and the 6th electricity
Holding, the grid of the second transistor is electrically connected with SCAN scanning end, and it drains and is connect with the second DATA line end, source electrode and the
The connection of two pixel electrodes, the one end of second pixel electrode as the second capacitor, the other end of second capacitor are public
Electrode, one end of the 6th capacitor are that the public electrode other end is connect with the second DATA line end.
Further, the third display module includes third transistor, third pixel electrode, third capacitor and the 7th electricity
Holding, the grid of the third transistor is electrically connected with SCAN scanning end, and it drains and is connect with third DATA line end, source electrode and the
The connection of three pixel electrodes, the one end of the third pixel electrode as third capacitor, the other end of the third capacitor are public
Electrode, one end of the 7th capacitor are that the public electrode other end is connect with third DATA line end.
Further, the control module include the 4th transistor and the 4th capacitor, the grid of the 4th transistor with
The electrical connection of SCAN scanning end, drain electrode are connect with VCOM/TP line end, and source electrode is connect with public electrode, one end of the 4th capacitor
It is electrically connected for the public electrode other end with SCAN scanning end.
It is had the advantage that using technical solution of the present invention
1. the present invention can realize on a display screen and refer to by being embedded in fingerprint Identification sensor in display equipment specific region
Line identification function and touch detection function, setting display driving alternately work with Scanning Detction driving, and sequence is regardless of elder generation
Afterwards, it since 4 transistors of recognition detection piecemeal share a scan line, opens and closes simultaneously, when showing driving, SCAN
Scan line is sent into high level and opens transistor, and pixel electrode is sent into the signal voltage of display picture by IC by DATA line,
Sensor is sent into VCOM voltage by VCOM/TP line by IC as public electrode；When carrying out fingerprint recognition and touch-control,
Sensor is sent into Scanning Detction signal by VCOM/TP line by IC as capacitance sensor and carries out fingerprint recognition processing or touch
Detection, pixel electrode is sent by IC at this time and Scanning Detction signal intensity is consistent with drive signal guarantee pixel electrode and Sensor
Between voltage difference and display drive when voltage difference it is consistent always, to not influence display effect, while reducing data line to fingerprint
The interference of identification signal or touch detection signal passes through DATA line to picture after this line completes Scanning Detction, then by IC
Plain electrode is sent into the signal voltage of display picture, gives Sensor to be sent into VCOM voltage by VCOM/TP line, be then shut off TFT into
The work of row next line carries out completing in this way display and fingerprint recognition and touch detection in screen specific region line by line.
2. the present invention is embedded in fingerprint recognition in the case where not increasing original LCD light shield, in display equipment specific region
Sensor and touch detection sensor are realized and realize fingerprint recognition and touch detection in screen in specific region, end can be improved
The integrated level of end display product, reduces production cost, while terminal being made to show product especially portable electronic device more
It is frivolous, obtain more excellent appearance, improve the user experience.
Detailed description of the invention
Fig. 1 is that a kind of display equipment with identification and detection function of the present invention has fingerprint identification function and detection function
Partitioned organization schematic diagram；
Fig. 2 is a kind of display equipment with identification and detection function of the present invention with fingerprint identification function and detection function point
Block module frame chart；
Fig. 3 is a kind of recognition detection unit drive waveforms schematic diagram of the display equipment with identification and detection function of the present invention；
Fig. 4 is the identification for the piecemeal that a kind of display equipment with identification and detection function of the invention has fingerprint identification function
Detection unit schematic diagram；
Fig. 5 is that a kind of display equipment with identification and detection function of the invention has fingerprint identification function and detection function
Piecemeal schematic diagram;
Fig. 6 is a kind of detection piecemeal schematic diagram of display equipment with identification and detection function of the invention.
Main element symbol description
| First display module 1 | Second display module 2 | Third display module 3 |
| Control module 4 | Public electrode 5 | Pixel electrode 6 |
| First film transistor 7 | Second thin film transistor (TFT) 8 | Third thin film transistor (TFT) 9 |
| 4th thin film transistor (TFT) 10 |
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be noted that the term used in embodiments of the present invention is only merely for the mesh of description specific embodiment
, it is not intended to limit the invention." the one of the embodiment of the present invention and singular used in the attached claims
Kind ", " described " and "the" are also intended to including most forms, unless the context clearly indicates other meaning.It is also understood that this
Term "and/or" used herein refers to and includes one or more associated any or all possible group for listing project
It closes.
Term " includes " in description and claims of this specification and above-mentioned attached drawing and " having " and they appoint
What is deformed, it is intended that is covered and non-exclusive is included.Such as contain the process, method, system, production of a series of steps or units
Product or equipment are not limited to listed step or unit, but optionally further comprising the step of not listing or unit, or
Optionally further comprising other step or units intrinsic for these process, methods, product or equipment.
It should be noted that the embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings,
In which the same or similar labels are throughly indicated same or similar element or elements with the same or similar functions.Under
Face is exemplary by reference to the embodiment that attached drawing describes, and for explaining only the invention, and cannot be construed to of the invention
Limitation.
Following disclosure provides many different embodiments or example is used to realize different structure of the invention.For letter
Change disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
It is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or letter.It is this heavy
It is for purposes of simplicity and clarity, itself not indicate the relationship between discussed various embodiments and/or setting again.
Referring to Fig. 1, be the present invention it is a kind of with identification and detection function display equipment have fingerprint identification function and
The partitioned organization schematic diagram of detection function, in combination with Fig. 5 and Fig. 6 it is found that a kind of display with identification and detection function is set
Standby includes multiple detection piecemeals and a recognition detection piecemeal, and any of the display equipment is arranged in the recognition detection piecemeal
Position.Recognition detection piecemeal can be set in any one of display equipment place, but generally be not arranged in the ground for comparing corner
Side, in order to facilitate the identification of fingerprint.Recognition detection piecemeal with the first DATA line end DATA1, the second DATA line end
DATA2, third DATA line end DATA3 are connected with VCOM/TP line end.The recognition detection piecemeal includes the first DATA data
Line DATA1, the second DATA line DATA2, third DATA line DATA3, VCOM/TP control line, 5, three pieces of public electrode
Pixel electrode 6, first film transistor 7, the second thin film transistor (TFT) 8, third thin film transistor (TFT) 9 and the 4th thin film transistor (TFT) 10.
Three pieces of pixel electrodes 6 are arranged above or below public electrode 5, three pieces of pixel electrodes 6 respectively with first film transistor
7, the second thin film transistor (TFT) 8 and third thin film transistor (TFT) 9 are electrically connected first film transistor 7 and the first DATA line described in
DATA1 connection, second thin film transistor (TFT) 8 connect with the second DATA line DATA2 third thin film transistor (TFT) 9 described in
The DATA3 connection of third DATA line, the 4th thin film transistor (TFT) 10 are connect with VCOM/TP control line and public electrode 5.Institute
State three pieces of pixel electrodes 6 include the first pixel electrode, the second pixel electrode and third pixel electrode, first pixel electrode with
First film transistor connection, second pixel electrode connect with the second thin film transistor (TFT), the third pixel electrode and the
The connection of three thin film transistor (TFT)s.Wherein the first DATA line, the second DATA line, third DATA line and VCOM/TP control
Line processed can be carried out with muti-piece recognition detection piecemeal it is shared, reach space to account for area small while reaching reduction production cost, simultaneously
So that terminal shows that product especially portable electronic device is more frivolous, more excellent appearance is obtained.
As can be seen that one of technical solution of the embodiment of the present invention has the display equipment of identification and detection function, packet
Multiple detection piecemeals and a recognition detection piecemeal are included, any position of the display equipment is arranged in the recognition detection piecemeal
It sets.Detection piecemeal is that the display that display screen has touches piecemeal, mainly constitutes the display touch function of display screen.
Referring to Fig. 5, having for a kind of display equipment with identification and detection function provided in the embodiment of the present invention
The piecemeal schematic diagram of fingerprint identification function and detection function.The piecemeal carries out constituting fingerprint recognition and detection function, recognition detection
A special unit with identification and detection function of the piecemeal as display screen, there is display detection fingerprint and detection to touch
Function realized in screen so that being embedded in fingerprint Identification sensor and touch detection sensor array in display equipment
The integrated level that terminal shows product can be improved in fingerprint recognition and touch detection in specific region, reduces production cost, makes simultaneously
It obtains terminal and shows that product especially portable electronic device is more frivolous, obtain more excellent appearance, improve user and use
Experience.
Referring to Fig. 4, being that a kind of display equipment with identification and detection function provided in an embodiment of the present invention has finger
The recognition detection unit schematic diagram of the piecemeal of line identification function, as shown in figure 4, the electricity with fingerprint identification function piecemeal
Road includes the first display module 1 described in the first display module 1, the second display module 2, third display module 3 and control module 4.
Connect 4 with control module through the second display module 2, third display module 3, first display module 1, the second display module 2,
Third display module 3 and control module 4 are electrically connected the first display module 1 and the first DATA data described in SCAN scanning end
Second display module 2 described in line end DATA1 connection connect third display module 3 described in the second DATA line end DATA2
It is connect with third DATA line end DATA3, the control module 4 is connect with VCOM/TP line end.In display screen display, the
One display module, the second display module and third display module are used to driving display screen and show, completion is the aobvious of display screen
Show driving function.When needing to fingerprint recognition and touch detection, it is also used for simultaneously for controlling with scanning recognition finger print data
Scanning Detction touch data a, so that circuit realizes display, fingerprint recognition and touch detection, thus good three
A function is combined together, so that terminal shows the integrated level of product, reduces production cost, while terminal being made to show that product is special
It is not that portable electronic device is more frivolous, obtains more excellent appearance, improve the user experience.
Control module 4 is used to show and transmit common electrode signal to control display screen, mainly passes through VCOM/TP line end
Input common electrode signal.Control module 4 is also used to the signal of transmission fingerprint identification and touch control detection simultaneously, in detection in fingerprint
Data and touch control detection data after need to transmit data in finger-mark check equipment and on displaying screen controller.
Each circuit module is specifically introduced below.
First display module 1 includes the first transistor T1, first capacitor C1 and the 5th capacitor C5.The first crystal
The grid of pipe T1 is electrically connected with SCAN scanning end, and drain electrode is connect with the first DATA line end DATA1, source electrode and first capacitor C1
One end connection.The other end of the first capacitor C1 is public electrode, and one end of the 5th capacitor C5 is public electrode, separately
One end is connect with the first DATA line end DATA1.Unlatching and pass by SCAN scanning end input control the first transistor T1
It closes, the first DATA line is used for transmission display drive signals and with drive signal.
Second display module includes second transistor T2, the second capacitor C2 and the 6th capacitor C6, second crystal
The grid of pipe T2 is electrically connected with SCAN scanning end, and drain electrode is connect with the second DATA line end DATA2, source electrode and the second capacitor C2
One end connection.One end that the other end of the second capacitor C2 is the 6th capacitor C6 described in public electrode is public electrode, separately
One end is connect with the second DATA line end DATA2.Unlatching and pass by SCAN scanning end input control second transistor T2
It closes, the second DATA line DATA2 is used for transmission display drive signals and with drive signal.
The third display module 3 includes third transistor T3, third capacitor C3 and the 7th capacitor C7, the third crystal
The grid of pipe T3 is electrically connected with SCAN scanning end, and drain electrode is connect with the end third DATA line DATA3, source electrode and third capacitor C3
One end connection, the other end of the third capacitor C3 is public electrode, and one end of the 7th capacitor C7 is public electrode, separately
One end is connect with third DATA line end DATA3.Unlatching and pass by SCAN scanning end input control third transistor T3
It closes.Third DATA line DATA3 is used for transmission display drive signals and with drive signal.
The control module 4 include the 4th transistor T4 and the 4th capacitor C4, the grid of the 4th transistor T4 with
The electrical connection of SCAN scanning end, drain electrode are connect with VCOM/TP line end, and source electrode is connect with public electrode, and the one of the 4th capacitor C4
End is that the public electrode other end is electrically connected with SCAN scanning end.VCOM/TP line end is used for transmission public electrode when showing driving
Signal, detection signal and inductive signal, transmission fingerprint identification data and touching are used for transmission in fingerprint recognition and touch detection
Touch data.
The switch of piece scan line SCAN control a pixel TFT and Sensor TFT；C1, C2, C3 are respectively three sub-pixels
The capacitor, including pixel capacitance, liquid crystal capacitance etc. constituted with public electrode；C4, C5, C6, C7 be respectively public electrode and SCAN,
The capacitor that DATA1, DATA2, DATA3 are constituted；The signal of public electrode Sensor is transmitted by VCOM/TP cabling.
The invention shows driving with Scanning Detction driving alternately work, sequence in no particular order, due to 4 TFT be total to
With a scan line, so 4 TFT can be opened and closed simultaneously.When showing driving, SCAN scan line is sent into high level and is opened
Transistor, pixel electrode by IC by DATA line be sent into display picture signal voltage, Sensor as public electrode by
IC is sent into VCOM voltage by VCOM/TP line；Carrying out fingerprint recognition and when touch-control, Sensor as capacitance sensor by
IC is sent into Scanning Detction signal by VCOM/TP line and carries out fingerprint recognition processing or touch detection, and pixel electrode is by IC at this time
It is sent into and the consistent same drive signal (Fig. 3 is with drive schematic diagram) of Scanning Detction signal intensity, guarantee pixel by DATA line
Voltage difference is consistent always when voltage difference drives with display between electrode and Sensor, to not influence display effect, reduces simultaneously
Interference of the data line to fingerprint recognition signal or touch detection signal.Pass through after this line completes Scanning Detction, then by IC
DATA line is sent into the signal voltage of display picture to pixel electrode, is sent into display voltage to Sensor by VCOM/TP line,
Be then shut off TFT carry out next line work, carry out line by line in this way complete screen specific region in display and fingerprint recognition and
Touch detection.
Its course of work is illustrated according to Fig. 1-6:
The common electrode layer of LCD is subjected to piecemeal, and increases TFT and control line, forms fingerprint Identification sensor and touch detection
Sensor array realizes specific region fingerprint recognition and touch detection function in display.
By the way that the common electrode layer of LCD is carried out piecemeal, and increase TFT and control line, is formed in entire screen basic
Fingerprint Identification sensor and touch sensing array；The common electrode layer time-sharing multiplex of piecemeal is served only for display for a period of time
Public electrode, another a period of time are real simultaneously as the public electrode and fingerprint Identification sensor and touch detection sensor of display
Fingerprint recognition and touch control detection in existing screen specific region.
On the LCD Array substrate of IPS FFS display pattern by common electrode layer (for ITO or other transparent lead
Electric material) carry out piecemeal, and increase control cabling (with data line same layer, can be metal or other conductors) and TFT be used for
Control and driving, form basic fingerprint Identification sensor or touch sensing.
By public electrode piecemeal, increases Sensor TFT and cabling constitutes an independent fingerprint Identification sensor or touching
Control sensor.Wherein Sensor is public electrode, show the coordination electrode that liquid crystal is constituted together with pixel electrode when driving and
The storage capacitors of pixel；When carrying out fingerprint recognition and touch-control, Sensor is as sensor；DATA1, DATA2, DATA3 are
Data line is used for transmission the signal of display pixel；VCOM/TP is control cabling, is used for transmission common electrode signal and transmission
The signal of fingerprint Identification sensor or touch sensing；SCAN is scan line, in conjunction with pixel TFT and Sensor TFT, is used for
Control the transmission of picture element signal and Sensor signal.
The present invention use projection-type self-capacitance testing principle, when human finger touch screen when, using public electrode as
Incude Sensor, detects the variation of its capacitor.Due to the uneven distance to fingerprint recognition Sensor of finger skin corium fingerprint
It is inconsistent, it is formed by that capacitance is inconsistent between them, Sensor senses that different capacitance change signals is transmitted to IC, and
Digital signal is converted by IC.Due to each Sensor of the present invention can accomplish it is small as Pixel Dimensions, thus
It can be collected into accurate fingerprint characteristic data, then be compared with the fingerprint characteristic data in database and can complete fingerprint
Identification and touch detection.
LCD:Liquid Crystal Display, liquid crystal display；
TFT:Thin Film Transistor, thin film transistor (TFT)；
IPS:In-Plane Switching, in-plane switching display technology；
FFS:Fringe Filed Switching, fringe field switching technique；
Array: the array substrate of liquid crystal display；
Sensor: sensor；
With drive: synchronous driving；
IC:integrated circuit, integrated circuit, the driving chip of liquid crystal display.
The present invention realizes that increase cabling and TFT set sensor array in the LCD structure of IPS FFS display pattern
Meter, can be single
Solely addressing controls each sensor piecemeal；Sensor piecemeal size can be one or more pixels, sub-pixel；Each biography
Sensor
Piecemeal can add TFT to control with one or more groups of cablings；TFT type includes amorphous silicon, polysilicon, monocrystalline silicon, metal oxidation
Object,
Organic matter etc..
The present invention have it is following the utility model has the advantages that
The present invention by setting display driving with Scanning Detction drive alternately work, sequence in no particular order, due to 4 crystalline substances
Body pipe shares a scan line, opens and closes simultaneously, and when showing driving, SCAN scan line is sent into high level and opens crystal
Pipe, pixel electrode are sent into the signal voltage of display picture by IC by DATA line, and Sensor is led to as public electrode by IC
It crosses VCOM/TP line and is sent into VCOM voltage；When carrying out fingerprint recognition and touch-control, Sensor is led to as capacitance sensor by IC
It crosses VCOM/TP line and is sent into the progress fingerprint recognition processing of Scanning Detction signal or touch detection, pixel electrode is passed through by IC at this time
DATA line, which is sent into, and Scanning Detction signal intensity is consistent guarantees voltage difference between pixel electrode and Sensor with drive signal
Voltage difference is consistent always when driving with display, to not influence display effect, while reduce data line to fingerprint recognition signal or
The interference of touch detection signal is sent by DATA line to pixel electrode after this line completes Scanning Detction, then by IC
The signal voltage for showing picture is sent into display voltage to Sensor by VCOM/TP line, is then shut off TFT and carries out next line
Work carries out completing in this way display and fingerprint recognition and touch detection in screen specific region line by line.The present invention is not increasing
In the case where original LCD light shield, it is embedded in fingerprint Identification sensor and touch detection sensor in display equipment, realizes that screen is special
Determine fingerprint recognition and touch detection in region, the integrated level that terminal shows product can be improved, reduces production cost, make simultaneously
Terminal shows that product especially portable electronic device is more frivolous, obtains more excellent appearance, improves user and uses body
It tests.
Claims (8)
1. a kind of display equipment with identification and detection function, it is characterised in that: the display equipment includes multiple detections point
Any position of the display equipment, the identification inspection is arranged in block and a recognition detection piecemeal, the recognition detection piecemeal
Survey piecemeal fingerprint signal and detection touch signal for identification, the recognition detection piecemeal with the first DATA line end, the
Two DATA line ends, third DATA line end are connected with VCOM/TP line end.
2. a kind of display equipment with identification and detection function according to claim 1, it is characterised in that: the identification
Detecting piecemeal includes the first DATA line, the second DATA line, third DATA line, VCOM/TP control line, common electrical
Pole, three pieces of pixel electrodes, first film transistor, the second thin film transistor (TFT), third thin film transistor (TFT) and the 4th thin film transistor (TFT),
Three pieces of pixel electrodes setting in public electrode either above or below, three pieces of pixel electrodes respectively with first film transistor,
Second thin film transistor (TFT) and the electrical connection of third thin film transistor (TFT), the first film transistor are connect with the first DATA line,
Second thin film transistor (TFT) is connect with the second DATA line, and the third thin film transistor (TFT) and third DATA line connect
It connects, the 4th thin film transistor (TFT) is connect with VCOM/TP control line and public electrode.
3. a kind of display equipment with identification and detection function according to claim 2, it is characterised in that: described three pieces
Pixel electrode includes the first pixel electrode, the second pixel electrode and third pixel electrode, first pixel electrode and first thin
Film transistor connection, second pixel electrode are connect with the second thin film transistor (TFT), the third pixel electrode and third film
Transistor connection.
4. a kind of display equipment with identification and detection function according to claim 1, it is characterised in that: the identification
Detecting piecemeal includes the first display module, the second display module, third display module and control module；First display module
It is connect through the second display module, third display module with control module, first display module, the second display module, third
Display module and control module are electrically connected with SCAN scanning end, and first display module and the first DATA line end connect
It connects, second display module is connect with the second DATA line end, the third display module and third DATA line end
Connection, the control module are connect with VCOM/TP line end；First display module, the second display module and third display module are equal
For driving display screen to show and constituting the capacitance sensor of recognition detection；Control module is used to that control display screen to be shown and be passed
Defeated common electrode signal and the signal for being used for transmission fingerprint recognition and touch control detection.
5. a kind of display equipment with identification and detection function according to claim 4, it is characterised in that: described first
Display module includes the first transistor, the first pixel electrode, first capacitor and the 5th capacitor, the grid of the first transistor with
The electrical connection of SCAN scanning end, drain electrode are connect with the first DATA line end, and source electrode is connect with the first pixel electrode, first picture
The other end of the one end of plain electrode as first capacitor, the first capacitor is public electrode, and one end of the 5th capacitor is
The public electrode other end is connect with the first DATA line end.
6. a kind of display equipment with identification and detection function according to claim 5, it is characterised in that: described second
Display module includes second transistor, the second pixel electrode, the second capacitor and the 6th capacitor, the grid of the second transistor with
The electrical connection of SCAN scanning end, drain electrode are connect with the second DATA line end, and source electrode is connect with the second pixel electrode, second picture
The other end of the one end of plain electrode as the second capacitor, second capacitor is public electrode, and one end of the 6th capacitor is
The public electrode other end is connect with the second DATA line end.
7. a kind of display equipment with identification and detection function according to claim 6, it is characterised in that: the third
Display module includes third transistor, third pixel electrode, third capacitor and the 7th capacitor, the grid of the third transistor with
The electrical connection of SCAN scanning end, drain electrode are connect with third DATA line end, and source electrode is connect with third pixel electrode, the third picture
The one end of plain electrode as third capacitor, the other end of the third capacitor are that one end of the 7th capacitor described in public electrode is public
The common electrode other end is connect with third DATA line end.
8. a kind of display equipment with identification and detection function according to claim 4, it is characterised in that: the control
Module includes the 4th transistor and the 4th capacitor, and the grid of the 4th transistor be electrically connected with SCAN scanning end, drain and
The connection of VCOM/TP line end, source electrode are connect with public electrode, and one end of the 4th capacitor is public electrode, the other end and SCAN
Scanning end electrical connection.
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| CN201910189587.8A CN109828694B (en) | 2019-03-13 | 2019-03-13 | Display device with identification and detection functions |
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| CN201910189587.8A CN109828694B (en) | 2019-03-13 | 2019-03-13 | Display device with identification and detection functions |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110286798A (en) * | 2019-06-27 | 2019-09-27 | Oppo广东移动通信有限公司 | Display control method, electronic device, equipment and the storage medium of display screen |
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