Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition havingBody explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originallyThe range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present inventionAnd its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitableIn the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, withoutIt is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang YiIt is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Referring to FIG. 1, Fig. 1 is a kind of planar structure schematic diagram of display device provided in an embodiment of the present invention.This implementationExample provides a kind of display device, comprising: the signal wire 10 that N item is set side by side；
Driving circuit 20；Driving circuit 20 includes multiple shift registers 30, and shift register 30 includes that initial signal is defeatedEnter to hold IN, driving signal output end OUT；The driving signal output end OUT and X signal line 10 of X shift register 30Electrical connection；
Display device has test phase and working stage；
Referring to FIG. 2, Fig. 2 is the planar structure schematic diagram of another display device provided in an embodiment of the present invention.It is surveyingThe output signal in examination stage, the driving signal output end OUT of X shift register 30 is transmitted to via X signal line 10The initial signal input terminal IN of+1 shift register of X 30；
Referring to FIG. 1, in working stage, the driving signal output end OUT of X shift register 30 and X+1 shiftingThe initial signal input terminal IN of bit register 30 insulate；
Wherein, N, X are positive integer, and N >=3, X≤N-1.
In the present embodiment, display device includes a plurality of signal wire 10, and the present embodiment does not make specifically the quantity of signal wireLimitation.
Driving circuit 20 can provide driving signal to signal wire 10, and driving signal can be pulse signal.
Driving circuit 20 includes multiple shift registers 30, and shift register 30 and signal wire 10 are arranged in a one-to-one correspondence, and oneA shift register 30 is for driving a signal line 10.
Shift register 30 includes initial signal input terminal IN and driving signal output end OUT, initial signal input terminal INFor receiving initial signal, with the start-up operation of flip-flop shift 30.Shift register 30 generates driving signal after working, and drivesDynamic signal is exported from driving signal output end OUT to signal wire 10.
Display device provided in this embodiment includes test phase and working stage.In test phase, for display deviceSignal wire 10 and driving circuit 20 detected, with signal lines 10 with the presence or absence of open circuit conditions, driving circuit 20 whetherIt can work normally.In working stage, driving circuit 20 provides driving signal to signal wire 10, so that display device realizes displayEtc. functions.
Specifically, the output signal of the driving signal output end OUT of X shift register 30 is made in test phaseFor the initial signal input terminal IN of+1 shift register of X 30, started to work with triggering+1 shift register of X 30.Such asThe driving signal output end OUT of fruit afterbody shift register 30 can normally generate output signal, then in driving circuit 20Shift register 30 work normally.
Also, the output signal of the driving signal output end OUT of X shift register 30 is via X signal line 10It is transmitted to next stage shift register 30.If the driving signal output end OUT of afterbody shift register 30 can be normalOutput signal is generated, then there is no open circuits for signal wire 10.
In working stage, in order to work normally display device, the driving signal output end of X shift register 30The initial signal input terminal IN of OUT and+1 shift register of X 30 insulate.
It should be noted that the signal wire 10 that N item is set side by side successively is arranged along Y-direction shown in FIG. 1 in the present embodimentCloth, respectively the 1st signal line 10-1, the 2nd signal line 10-2 ... N signal line 10-N.Similarly, multiple shift LDsDevice 30 is successively arranged along Y-direction shown in FIG. 1, respectively the 1st shift register 30-1, the 2nd shift register 30-2 ...X shift register 30-X ... n-th shift register 30-N.Also, driving signal is provided to X signal line 10-XShift register be X shift register 30-X.For example, providing the displacement of driving signal to the 1st signal line 10-1Register is the 1st shift register 30-1.
In display device provided in this embodiment, test phase can simultaneously to signal wire 10 and shift register 30 intoRow detection.In test phase, make the output signal of the driving signal output end OUT of X shift register 30 via X itemSignal wire 10 is transmitted to the initial signal input terminal IN of+1 shift register of X 30, multiplexing upper level shift register 30Initial signal of the output signal as next stage shift register 30, and the defeated of shift register 30 is transmitted using signal wire 10Signal out can detect whether signal wire 10 can normal work with the presence or absence of the situation and driving circuit 20 of open circuit simultaneouslyMake, without being detected respectively for signal wire 10 and driving circuit 20, improves the detection efficiency of display device.Also, nothingDifferent detection circuit signal lines 10 and driving circuit 20 need to be respectively set, the structure of display device also more simplifies.
In some alternative embodiments, referring to FIG. 3, Fig. 3 is another display device provided in an embodiment of the present inventionPlanar structure schematic diagram.Driving circuit 20 further includes multiple selectors 40, and selector 40 is defeated including first input end I1, selectionOutlet O；
In the Y selector 40, the driving signal output end OUT electricity of first input end I1 and the Y shift register 30Connection selects the initial signal input terminal IN of output end O and the Y+1 shift register 30 electrical connection；
In test phase, selector 40, first input end I1 and selection output end O conducting；
In working stage, selector 40, first input end I1 and selection output end O insulation；
Wherein, Y is positive integer, and 1 ﹤ Y ﹤ N-1.
In the present embodiment, it is provided with selector 40, selector 40 includes first input end I1 and selection output end O, aobviousThe different phase of showing device can choose first input end I1 and select the conducting or insulation of output end O.
Specifically, the output signal for needing to be multiplexed upper level shift register 30 is moved as next stage in test phaseThe initial signal of bit register 30, thus the first input end I1 in selector 40 and selection output end O are conductings, so that onThe initial signal that the output signal of level-one shift register 30 is transmitted to next stage shift register 30 after selector 40 is defeatedEnter to hold IN.
In working stage, display device is worked normally, and driving circuit 20 provides driving signal to signal wire 10, without multiplexingInitial signal of the output signal of upper level shift register 30 as next stage shift register 30, thus first input end I1With selection output end O insulation, the output signal of upper level shift register 30 can not be transmitted to next stage after selector 40The initial signal input terminal IN of shift register 30.
It should be noted that multiple selectors 40 are successively arranged along Y-direction shown in Fig. 3 in the present embodiment, respectively1 selector 40-1, the 2nd selector 40-2, the 3rd selector 40-3 ....The first input end I1 of the Y selector 40 andThe driving signal output end OUT electrical connection of the Y shift register 30.For example, the first input end I1 of the 1st selector 40-1With the driving signal output end OUT electrical connection of the 1st shift register 30-1.
In display device provided in this embodiment, it is provided with selector 40, selector 40 can effectively control upper levelWhether the output signal of shift register 30 is transmitted to the initial signal input terminal IN of next stage shift register 30, according to displayThe different phase of device selects output end O to export different signals, easily controllable and implementation respectively.In test phase, selectorThe output signal of 40 control upper level shift registers 30 is transmitted to the initial signal input terminal IN of next stage shift register 30；In working stage, the output signal that selector 40 controls upper level shift register 30 can not be transmitted to next stage shift register30 initial signal input terminal IN.
In some alternative embodiments, referring to FIG. 4, Fig. 4 is another display device provided in an embodiment of the present inventionPlanar structure schematic diagram.Shift register 30 includes junior's trigger signal output end NEXT；
Selector 40 further includes the second input terminal I2；
In the Y selector 40, junior's trigger signal output end of the second input terminal I2 and the Y-1 shift register 30NEXT electrical connection；
In test phase, selector 40, the second input terminal I2 and selection output end O insulation；
In working stage, selector 40, the second input terminal I2 and selection output end O conducting.
In the present embodiment, shift register 30 includes junior's trigger signal output end NEXT, and driving circuit 20 is normalIn the course of work, shift register 30 can export junior's trigger signal, junior's triggering letter from junior trigger signal output end NEXTIt number is input to the initial signal input terminal IN of next stage shift register 30, starts work to trigger next stage shift register 30Make.
Selector 40 includes two input terminals and an output end, and two input terminals are respectively first input end I1 and secondInput terminal I2, an output end are to select output end O.In test phase and working stage, selector 40 only have one it is defeatedThe signal for entering end can be exported from output end.
Specifically, in test phase, first input end I1 and selection output end O conducting, the second input terminal I2 and selectionOutput end O insulation.It is multiplexed initial signal of the output signal of upper level shift register 30 as next stage shift register 30,Thus the first input end I1 in selector 40 and selection output end O is conducting, so that upper level shift register 30 is defeatedSignal is transmitted to the initial signal input terminal IN of next stage shift register 30 after selector 40 out.
In working stage, first input end I1 and selection output end O insulation, the second input terminal I2 and selection output end O are ledIt is logical.Junior's trigger signal of the junior trigger signal output end NEXT output of upper level shift register 30 is shifted as next stageThe initial signal of register 30, thus the second input terminal I2 in selector 40 and selection output end O are conductings, so that upper oneJunior's trigger signal of grade shift register 30 is transmitted to the initial signal of next stage shift register 30 after selector 40Input terminal IN.
In the present embodiment, it is provided with selector 40, selector 40 can be in the defeated of the different phase selectivity of display deviceSignal out can make display device execute different functions.In test phase, the selection output junior's trigger signal of selector 40 is defeatedJunior's trigger signal of outlet NEXT；In working stage, selector 40 selects the output letter of output drive signal output end OUTNumber.In the different phase of display device, selector 40 can the signal that is exported of effective control selections output end O, to protectCard test phase and working stage are gone on smoothly.
Optionally, referring to FIG. 5, Fig. 5 is the planar structure signal of another display device provided in an embodiment of the present inventionFigure.In the present embodiment, driving signal output end OUT is multiplexed with junior's trigger signal output end.
In the present embodiment, shift register 30 includes driving signal output end OUT, the output of driving signal output end OUTSignal can be used as the initial signal of next stage shift register 30.Driving circuit 20 in the normal course of work, post by displacementStorage 30 can generate output signal and export from driving signal output end OUT, and output signal is input to next stage shift register 30Initial signal input terminal IN, with trigger next stage shift register 30 start-up operation.
It should be noted that Fig. 4 and Fig. 5 illustratively provide two kinds of cascade sides of multiple shift registers 30 respectivelyFormula.In display device shown in Fig. 4, junior's trigger signal of the junior trigger signal output end NEXT of upper level shift registerInitial signal as next stage shift register；In display device shown in fig. 5, the output of driving signal output end OUT is believedInitial signal number as next stage shift register 30.Fig. 4, Fig. 5 only make the cascade system of multiple shift registers 30Exemplary illustration, the present invention is not limited thereto.
In some alternative embodiments, referring to FIG. 6, Fig. 6 is the electrical block diagram of selector in Fig. 5.DrivingCircuit 20 further includes control signal wire 21；
Selector 40 includes first switch 401 and second switch 402；
The grid of first switch 401 and the grid of second switch 402 are electrically connected with control signal wire 21, first switchThe first of 401 the first pole and second switch 402 extremely and selection output end O electrical connection, the second pole of first switch 401 and theOne input terminal I1 electrical connection, the second pole of second switch 402 and the second input terminal I2 electrical connection.
Two switches, respectively first switch 401 and second switch 402 are provided in the present embodiment, in selector 40.TheOne switch 401 is used to control first input end I1 and select the conducting or insulation of output end O, and second switch 402 is for controllingThe conducting or insulation of second input terminal I2 and selection output end O.
The circuit structure of display device provided in this embodiment, selector 40 is simple, is easy to make, and is conducive to be integrated in aobviousIn showing device.
Optionally, with continued reference to FIG. 7, Fig. 7 is the planar structure of another display device provided in an embodiment of the present inventionSchematic diagram.Fig. 7 is only illustrated on the basis of display device shown in Fig. 1.Signal wire 10 extends along first direction X, a plurality of10 region of signal wire is first area AA1；
Odd number shift register 30 is located at the first side M of first area AA1, and even number shift register 30 is located atSecond side N, the first side M and second side N of first area AA1 is located at the two sides opposite along first direction X first area AA1.
It should be noted that in the present embodiment, in Fig. 7 from top to bottom (Y-direction as shown in Figure 7) be followed successively by the 1st, 2,3 ... N signal lines 10；Driving signal output end OUT and the electrical connection of which signal line 10 are which shift register 30,The 1st, 2,3 ... N number of shift registers 30 are followed successively by Fig. 7 from top to bottom.1st, 3,5 ... a shift registers 30 are located at the firstth areaThe first side M of domain AA1, the 2nd, 4,6 ... a shift registers 30 are located at second side N of first area AA1.
In the present embodiment, multiple shift registers 30 are separately positioned on the two sides of first area AA1, compared to by multiple shiftingsBit register 30 is arranged at the same side of first area AA1, and multiple shift registers 30 can be made in first area AA1 twoSide is uniformly distributed, so that the region area of the first area two sides AA1 is more balanced.
In some alternative embodiments, referring to FIG. 8, Fig. 8 is another display device provided in an embodiment of the present inventionPlanar structure schematic diagram.Fig. 8 is only illustrated on the basis of display device shown in Fig. 3.A plurality of 10 location of signal wireDomain is first area AA1；
Display device further include: positioned at the multiple electrodes 50, multiple control switches 60 and a plurality of electricity of first area AA1Polar curve 51；
The grid and signal wire 10 of control switch 60 are electrically connected, and the first pole of control switch 60 and electrode wires 51 are electrically connected,Second pole of control switch 60 and electrode 50 are electrically connected；
Grid and same signal line 10 positioned at the control switch 60 of same a line are electrically connected, and the control positioned at same row is openedThe first pole and same electrode wires 51 for closing 60 are electrically connected.
In the present embodiment, signal wire 10 is used to control the on or off of control switch 60, and electrode wires 51 are used for electricity50 transmission telecommunications number of pole.Optionally, electrode 50 is displayed for or for touch-control, and the present embodiment is specific for electrode 50Shape, size are not specifically limited.
Grid and same signal line 10 positioned at the control switch 60 of same a line are electrically connected, and are located at the control of same rowFirst pole of switch 60 and same electrode wires 51 are electrically connected, and under the driving of driving circuit 20, signal wire 10 successively receives driveDynamic signal, signal wire 10 control control switch 60 and are connected line by line, the electric signal of the receiving electrode line 51 line by line of electrode 50.
In some alternative embodiments, Fig. 8 and Fig. 9 are please referred to, Fig. 9 is another display provided in an embodiment of the present inventionThe planar structure schematic diagram of device.Display device includes viewing area AA and fingerprint identification area TT；
Viewing area AA includes multiple pixel P；
Fingerprint identification area TT includes: first area AA1 and driving circuit 20.
In display device provided in this embodiment, it is provided with fingerprint identification area TT.Fingerprint identification area TT fingerprint for identificationInformation, such as the fingerprint of user can be identified to complete the functions such as unlock, payment.Specifically, electrode wires 51 can be to electrodeCapacitor, the direct-to-ground capacitance are believed as basic capacitor for detecting fingerprint in couples for 50 transmission detection signals, electrode 50 and megareliefBreath.When finger contact or when close to display device, since there are ridge and paddy, the distances of ridge and paddy and electrode 50 for the fingerprint of fingerIt is different, the influence for the capacitor of electrode 50 is also different.The basic capacitor of electrode 50 changes to generate electricityThe variation of stream, the curent change of 51 receiving electrode 50 of electrode wires can obtain ridge by analyzing the curent change situation of electrode 50With the information of paddy.The curent change situation for analyzing multiple electrodes 50, it is hereby achieved that finger print information.Optionally, electrode 50Area is not easy excessive, the excessive precision that will affect fingerprint recognition.Optionally, the area of electrode 50 is about 1~4 pixel PSize.
Optionally, viewing area AA and fingerprint identification area TT can be overlapped completely, and as the two is independent of each other twoRegion.Viewing area AA and fingerprint identification area TT can be partly overlapped or be overlapped, as, the partial region of viewing area AA or completePortion region has fingerprint identification function.Fig. 9 is only illustrated so that viewing area AA and fingerprint identification area TT are not overlapped completely as an example, butThe present embodiment is not specifically limited this.
In some alternative embodiments, Fig. 8 and Figure 10 are please referred to, Figure 10 is that provided in an embodiment of the present invention another is aobviousThe planar structure schematic diagram of showing device.Display device includes display panel 100 and fingerprint recognition mould group 200；
Display panel 100 includes viewing area AA, and fingerprint recognition mould group 200 includes fingerprint identification area TT.
Display device provided in this embodiment has the function of fingerprint recognition.Specifically, display panel 100 and fingerprint are knownOther mould group 200 can complete in different manufacturing process respectively, then assemble in a display device.Due to display panel100 and fingerprint recognition mould group 200 be fabricated separately, thus can structure and technique for display panel 100 change it is smaller, canTo continue to use existing structure and technique production display panel 100 substantially, the difficulty of production is reduced.Also, 100 He of display panelFingerprint recognition mould group 200 can be detected respectively, if one of wherein defective, be easy to repair and replace.
Optionally, please continue to refer to Fig. 8 and Figure 10, display panel 100 includes notch section 101, fingerprint recognition mould group 200 toSmall part is located in notch section 101.
Display panel 100 provided in this embodiment has notch section 101, which is by one section of display panelEdge is formed to display panel inner recess.Fingerprint recognition mould group 200 can be located in notch section 101 in whole or in part,The structure that fingerprint recognition mould group 200 is embedded in display panel 100 is formed, the effect of display device shielded comprehensively is advantageously implemented.
It optionally, is the flat of another display device provided in an embodiment of the present invention please continue to refer to Fig. 8 and Figure 11, Figure 11Face structural schematic diagram.Display panel 100 further includes non-display area NA, and non-display area NA is arranged around viewing area AA；
Non-display area NA includes binding area NA1, and binding area NA1 includes multiple conductive welding disks 90；
Binding area NA1 and notch section 101 are located at the same side of viewing area AA.
In display device provided in this embodiment, binding area NA1 and notch section 101 are arranged at the same of viewing area AASide, the side are usually downside when user uses display device, which is conveniently used for carrying out fingerprint knowledge close to the finger of userNot, the use habit of composite users.
Through the foregoing embodiment it is found that display device provided by the invention, at least realize it is following the utility model has the advantages that
Signal wire and shift register can be detected simultaneously in test phase in display device.In test phaseIn, so that the output signal of the driving signal output end of X shift register is transmitted to X+1 shifting via X signal lineThe initial signal input terminal of bit register is multiplexed the output signal of upper level shift register as next stage shift registerInitial signal, and using the output signal of signal wire transmission shift register, it can detect that simultaneously signal wire whether there isWhether the situation and driving circuit of open circuit can work normally, without being examined respectively for signal wire and driving circuitIt surveys, improves the detection efficiency of display device.Also, it is not necessary that different detection circuit signal lines and driving electricity are respectively setRoad, the structure of display device also more simplify.
Although some specific embodiments of the invention are described in detail by example, the skill of this fieldArt personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this fieldArt personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hairBright range is defined by the following claims.