CN109036237A - Display device - Google Patents
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- CN109036237A CN109036237A CN201811157789.6A CN201811157789A CN109036237A CN 109036237 A CN109036237 A CN 109036237A CN 201811157789 A CN201811157789 A CN 201811157789A CN 109036237 A CN109036237 A CN 109036237A
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- 238000003466 welding Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 21
- 238000001514 detection method Methods 0.000 description 9
- 230000005611 electricity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
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- 239000002131 composite material Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
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Classifications
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- 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
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
-
- 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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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
- G11C19/28—Digital stores in which the information is moved stepwise, e.g. shift registers using semiconductor elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0286—Details of a shift registers arranged for use in a driving circuit
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- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of display devices, belong to field of display technology, comprising: the signal wire that N item is set side by side；Driving circuit；Driving circuit includes multiple shift registers, and shift register includes initial signal input terminal, driving signal output end；The driving signal output end and X signal line of X shift register are electrically connected；Display device has test phase and working stage；In test phase, the output signal of the driving signal output end of X shift register is transmitted to the initial signal input terminal of+1 shift register of X via X signal line；In working stage, the driving signal output end of X shift register and the initial signal input terminal of+1 shift register of X insulate；Wherein, N, X are positive integer, and N >=3, X≤N-1.Compared with the existing technology, can simultaneously signal lines whether open circuit and driving circuit whether work normally.
Description
Technical field
The present invention relates to field of display technology, more particularly, to a kind of display device.
Background technique
What reception information was most in the sense organ of people is the organs of vision (eyes), and in production and life, people need
It is increasingly utilized visual information abundant, thus display technology plays very important angle in mankind nowadays society
Color.So far from appearance, technology development is also very swift and violent for display technology, cathode ray tube technologies (CRT), plasma successively occurs
Body shows that (PDP), liquid crystal display (LCD) or even newest organic light emitting display (OLED), microdiode show (micro
LED)。
With the continuous development of display technology, how during making display panel, display panel is carried out effective
Detection to filter out defective products be one of the important directions of research staff's research.
Summary of the invention
In view of this, the present invention provides a kind of display devices, comprising:
The signal wire that N item is set side by side；
Driving circuit；Driving circuit includes multiple shift registers, and shift register includes initial signal input terminal, driving
Signal output end；The driving signal output end and X signal line of X shift register are electrically connected；
Display device has test phase and working stage；
It is passed in the output signal of test phase, the driving signal output end of X shift register via X signal line
Transport to the initial signal input terminal of+1 shift register of X；
In working stage, the driving signal output end of X shift register and the starting of+1 shift register of X are believed
The insulation of number input terminal；
Wherein, N, X are positive integer, and N >=3, X≤N-1.
Compared with prior art, display device provided by the invention, at least realize it is following the utility model has the advantages that
Display device simultaneously can detect signal wire and shift register in test phase.In test phase,
Make the output signal of the driving signal output end of X shift register be transmitted to X+1 displacement via X signal line to post
The initial signal input terminal of storage is multiplexed starting of the output signal of upper level shift register as next stage shift register
Signal, and using the output signal of signal wire transmission shift register, signal wire can be detected with the presence or absence of open circuit simultaneously
The case where and driving circuit whether can work normally, without being detected respectively to signal wire and driving circuit, improve
The detection efficiency of display device.Also, it is not necessary that different detection circuit signal lines and driving circuit, display dress is respectively set
The structure set also more simplifies.
Certainly, implementing any of the products of the present invention specific needs while must not reach all the above technical effect.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is a kind of planar structure schematic diagram of display device provided in an embodiment of the present invention；
Fig. 2 is the planar structure schematic diagram of another display device provided in an embodiment of the present invention；
Fig. 3 is the planar structure schematic diagram of another display device provided in an embodiment of the present invention；
Fig. 4 is the planar structure schematic diagram of another display device provided in an embodiment of the present invention；
Fig. 5 is the planar structure schematic diagram of another display device provided in an embodiment of the present invention；
Fig. 6 is the electrical block diagram of selector in Fig. 5；
Fig. 7 is the planar structure schematic diagram of another display device provided in an embodiment of the present invention；
Fig. 8 is the planar structure schematic diagram of another display device provided in an embodiment of the present invention；
Fig. 9 is the planar structure schematic diagram of another display device provided in an embodiment of the present invention；
Figure 10 is the planar structure schematic diagram of another display device provided in an embodiment of the present invention；
Figure 11 is the planar structure schematic diagram of another display device provided in an embodiment of the present invention.
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 having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And 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 suitable
In 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, without
It 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 Yi
It 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 implementation
Example 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 defeated
Enter to hold IN, driving signal output end OUT；The driving signal output end OUT and X signal line 10 of X shift register 30
Electrical 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 surveying
The output signal in examination stage, the driving signal output end OUT of X shift register 30 is transmitted to via X signal line 10
The 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 shifting
The 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 wire
Limitation.
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 one
A 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 IN
For receiving initial signal, with the start-up operation of flip-flop shift 30.Shift register 30 generates driving signal after working, and drives
Dynamic 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 device
Signal wire 10 and driving circuit 20 detected, with signal lines 10 with the presence or absence of open circuit conditions, driving circuit 20 whether
It can work normally.In working stage, driving circuit 20 provides driving signal to signal wire 10, so that display device realizes display
Etc. functions.
Specifically, the output signal of the driving signal output end OUT of X shift register 30 is made in test phase
For 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 as
The driving signal output end OUT of fruit afterbody shift register 30 can normally generate output signal, then in driving circuit 20
Shift 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 10
It is transmitted to next stage shift register 30.If the driving signal output end OUT of afterbody shift register 30 can be normal
Output 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 30
The 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 embodiment
Cloth, respectively the 1st signal line 10-1, the 2nd signal line 10-2 ... N signal line 10-N.Similarly, multiple shift LDs
Device 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-X
Shift register be X shift register 30-X.For example, providing the displacement of driving signal to the 1st signal line 10-1
Register 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 into
Row detection.In test phase, make the output signal of the driving signal output end OUT of X shift register 30 via X item
Signal wire 10 is transmitted to the initial signal input terminal IN of+1 shift register of X 30, multiplexing upper level shift register 30
Initial signal of the output signal as next stage shift register 30, and the defeated of shift register 30 is transmitted using signal wire 10
Signal 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 simultaneously
Make, without being detected respectively for signal wire 10 and driving circuit 20, improves the detection efficiency of display device.Also, nothing
Different 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 invention
Planar structure schematic diagram.Driving circuit 20 further includes multiple selectors 40, and selector 40 is defeated including first input end I1, selection
Outlet O；
In the Y selector 40, the driving signal output end OUT electricity of first input end I1 and the Y shift register 30
Connection 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, aobvious
The 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 phase
The initial signal of bit register 30, thus the first input end I1 in selector 40 and selection output end O are conductings, so that on
The initial signal that the output signal of level-one shift register 30 is transmitted to next stage shift register 30 after selector 40 is defeated
Enter to hold IN.
In working stage, display device is worked normally, and driving circuit 20 provides driving signal to signal wire 10, without multiplexing
Initial signal of the output signal of upper level shift register 30 as next stage shift register 30, thus first input end I1
With selection output end O insulation, the output signal of upper level shift register 30 can not be transmitted to next stage after selector 40
The 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, respectively
1 selector 40-1, the 2nd selector 40-2, the 3rd selector 40-3 ....The first input end I1 of the Y selector 40 and
The driving signal output end OUT electrical connection of the Y shift register 30.For example, the first input end I1 of the 1st selector 40-1
With 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 level
Whether the output signal of shift register 30 is transmitted to the initial signal input terminal IN of next stage shift register 30, according to display
The different phase of device selects output end O to export different signals, easily controllable and implementation respectively.In test phase, selector
The 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 register
30 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 invention
Planar 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 30
NEXT 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 normal
In the course of work, shift register 30 can export junior's trigger signal, junior's triggering letter from junior trigger signal output end NEXT
It number is input to the initial signal input terminal IN of next stage shift register 30, starts work to trigger next stage shift register 30
Make.
Selector 40 includes two input terminals and an output end, and two input terminals are respectively first input end I1 and second
Input terminal I2, an output end are to select output end O.In test phase and working stage, selector 40 only have one it is defeated
The 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 selection
Output 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 defeated
Signal 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 led
It 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 stage
The initial signal of register 30, thus the second input terminal I2 in selector 40 and selection output end O are conductings, so that upper one
Junior's trigger signal of grade shift register 30 is transmitted to the initial signal of next stage shift register 30 after selector 40
Input 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 device
Signal out can make display device execute different functions.In test phase, the selection output junior's trigger signal of selector 40 is defeated
Junior's trigger signal of outlet NEXT；In working stage, selector 40 selects the output letter of output drive signal output end OUT
Number.In the different phase of display device, selector 40 can the signal that is exported of effective control selections output end O, to protect
Card 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 invention
Figure.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 OUT
Signal can be used as the initial signal of next stage shift register 30.Driving circuit 20 in the normal course of work, post by displacement
Storage 30 can generate output signal and export from driving signal output end OUT, and output signal is input to next stage shift register 30
Initial 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 respectively
Formula.In display device shown in Fig. 4, junior's trigger signal of the junior trigger signal output end NEXT of upper level shift register
Initial signal as next stage shift register；In display device shown in fig. 5, the output of driving signal output end OUT is believed
Initial signal number as next stage shift register 30.Fig. 4, Fig. 5 only make the cascade system of multiple shift registers 30
Exemplary 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.Driving
Circuit 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 switch
The 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 the
One 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.The
One 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 controlling
The 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 aobvious
In 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 invention
Schematic 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 of
10 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 at
Second 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 area
The 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 shiftings
Bit register 30 is arranged at the same side of first area AA1, and multiple shift registers 30 can be made in first area AA1 two
Side 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 invention
Planar 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 wire
Domain 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 AA1
Polar 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 opened
The 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 electricity
50 transmission telecommunications number of pole.Optionally, electrode 50 is displayed for or for touch-control, and the present embodiment is specific for electrode 50
Shape, 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 row
First 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 drive
Dynamic 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 invention
The 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 identification
Information, such as the fingerprint of user can be identified to complete the functions such as unlock, payment.Specifically, electrode wires 51 can be to electrode
Capacitor, the direct-to-ground capacitance are believed as basic capacitor for detecting fingerprint in couples for 50 transmission detection signals, electrode 50 and megarelief
Breath.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 finger
It is different, the influence for the capacitor of electrode 50 is also different.The basic capacitor of electrode 50 changes to generate electricity
The 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 50
With the information of paddy.The curent change situation for analyzing multiple electrodes 50, it is hereby achieved that finger print information.Optionally, electrode 50
Area is not easy excessive, the excessive precision that will affect fingerprint recognition.Optionally, the area of electrode 50 is about 1~4 pixel P
Size.
Optionally, viewing area AA and fingerprint identification area TT can be overlapped completely, and as the two is independent of each other two
Region.Viewing area AA and fingerprint identification area TT can be partly overlapped or be overlapped, as, the partial region of viewing area AA or complete
Portion 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, but
The 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 aobvious
The 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 known
Other mould group 200 can complete in different manufacturing process respectively, then assemble in a display device.Due to display panel
100 and fingerprint recognition mould group 200 be fabricated separately, thus can structure and technique for display panel 100 change it is smaller, can
To continue to use existing structure and technique production display panel 100 substantially, the difficulty of production is reduced.Also, 100 He of display panel
Fingerprint 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 to
Small 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 panel
Edge 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 11
Face 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 AA
Side, the side are usually downside when user uses display device, which is conveniently used for carrying out fingerprint knowledge close to the finger of user
Not, 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 phase
In, so that the output signal of the driving signal output end of X shift register is transmitted to X+1 shifting via X signal line
The initial signal input terminal of bit register is multiplexed the output signal of upper level shift register as next stage shift register
Initial signal, and using the output signal of signal wire transmission shift register, it can detect that simultaneously signal wire whether there is
Whether the situation and driving circuit of open circuit can work normally, without being examined respectively for signal wire and driving circuit
It surveys, improves the detection efficiency of display device.Also, it is not necessary that different detection circuit signal lines and driving electricity are respectively set
Road, 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 field
Art 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 field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (11)
1. a kind of display device characterized by comprising
The signal wire that N item is set side by side；
Driving circuit；The driving circuit includes multiple shift registers, the shift register include initial signal input terminal,
Driving signal output end；Signal wire described in the driving signal output end and X item of the X shift register is electrically connected
It connects；
The display device has test phase and working stage；
In the test phase, the output signal of the driving signal output end of the X shift register is via X item
The signal wire is transmitted to the initial signal input terminal of X+1 shift register；
In the working stage, the driving signal output end of the X shift register is posted with X+1 displacement
The initial signal input terminal of storage insulate；
Wherein, N, X are positive integer, and N >=3, X≤N-1.
2. display device according to claim 1, which is characterized in that
The driving circuit further includes multiple selectors, and the selector includes first input end, selection output end；
In the Y selectors, the driving signal output end of the first input end and the Y shift registers
The initial signal input terminal electrical connection of electrical connection, the selection output end and the Y+1 shift registers；
In the test phase, the selector, the first input end and selection output end conducting；
In the working stage, the selector, the first input end and selection output end insulation；
Wherein, Y is positive integer, and 1 ﹤ Y ﹤ N-1.
3. display device according to claim 2, which is characterized in that
The shift register includes junior's trigger signal output end；
The selector further includes the second input terminal；
In the Y selectors, junior's trigger signal of second input terminal and the Y-1 shift registers
Output end electrical connection；
In the test phase, the selector, second input terminal and selection output end insulation；
In the working stage, the selector, second input terminal and selection output end conducting.
4. display device according to claim 3, which is characterized in that
The driving signal output end is multiplexed with junior's trigger signal output end.
5. display device according to claim 3 or 4, which is characterized in that
The driving circuit further includes control signal wire；
The selector includes first switch and the second switch；
The grid of the grid of the first switch and the second switch is electrically connected with the control signal wire, and described first opens
The first of the first pole and the second switch closed extremely is electrically connected with the selection output end, the second pole of the first switch
It is electrically connected with the first input end, the second pole of the second switch and second input terminal electrical connection.
6. display device according to claim 1, which is characterized in that
The signal wire extends in a first direction, and a plurality of signal wire region is first area；
Shift register described in odd number is located at the first side of the first area, and shift register described in even number is located at
It is opposite along the first direction that second side of the first area, first side and described second side are located at the first area
Two sides.
7. display device according to claim 1, which is characterized in that
The a plurality of signal wire region is first area；
The display device further include: multiple electrodes, multiple control switches and a plurality of electrode positioned at the first area
Line；
The grid of the control switch and signal wire electrical connection, the first pole of the control switch and the electrode wires are electrically connected
It connects, the second pole of the control switch and electrode electrical connection；
The electrical connection of signal wire described in grid and same positioned at the control switch of same a line, positioned at the control of same row
Make the electrical connection of electrode wires described in the first pole switched and same.
8. display device according to claim 7, which is characterized in that
The display device includes viewing area and fingerprint identification area；
The viewing area includes multiple pixels；
The fingerprint identification area includes: the first area and the driving circuit.
9. display device according to claim 8, which is characterized in that
The display device includes display panel and fingerprint recognition mould group；
The display panel includes the viewing area, and the fingerprint recognition mould group includes the fingerprint identification area.
10. display device according to claim 9, which is characterized in that
The display panel includes notch section, and the fingerprint recognition mould group is at least partially disposed in the notch section.
11. display device according to claim 10, which is characterized in that
The display panel further includes non-display area, and the non-display area is arranged around the viewing area；
The non-display area includes binding area, and the binding area includes multiple conductive welding disks；
The binding area and the gap portions are in the same side of the viewing area.
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| CN201811157789.6A CN109036237B (en) | 2018-09-30 | 2018-09-30 | Display device |
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| CN201811157789.6A CN109036237B (en) | 2018-09-30 | 2018-09-30 | Display device |
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