CN109358706A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN109358706A CN109358706A CN201811277633.1A CN201811277633A CN109358706A CN 109358706 A CN109358706 A CN 109358706A CN 201811277633 A CN201811277633 A CN 201811277633A CN 109358706 A CN109358706 A CN 109358706A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
- G06F1/1694—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being a single or a set of motion sensors for pointer control or gesture input obtained by sensing movements of the portable computer
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- Theoretical Computer Science (AREA)
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of display panel and display devices, belong to field of display technology, comprising: viewing area and the non-display area around viewing area；Display panel includes multiple fingerprint identification modules, and fingerprint identification module includes fingerprint identification unit, signal switch unit, signal lead；Fingerprint identification unit is located at viewing area；Signal switch unit includes first input end, the first output end and second output terminal；First input end and signal lead electrical connection, the first output end and fingerprint identification unit electrical connection, second output terminal and conductive electrode electrical connection；In the fingerprint recognition stage, first input end and the conducting of the first output end, first input end and second output terminal insulate；In the display stage, first input end and the insulation of the first output end, first input end and second output terminal are connected.Compared with the existing technology, it is advantageously implemented and shields comprehensively, is conducive to the lightening of display panel.
Description
Technical field
The present invention relates to field of display technology, more particularly, to a kind of display panel and display device.
Background technique
In a kind of display device that the prior art provides, it is integrated with fingerprint identification function.User when using display device,
Fingerprint identification function, which can be used, makes display device execute specific function.Fingerprint identification function is convenient, fast, safety compared with
Height is one of important R&D direction of display device.
In the prior art, the mode of two kinds of setting fingerprint recognition mould groups is provided.
In a kind of mode, fingerprint recognition mould group is placed on to the lower section of display screen, it is more to occupy display device in this way
Space, be unfavorable for improve screen accounting, be unfavorable for the display effect shielded comprehensively.
In a further mode of operation, the back side for display device being arranged in fingerprint recognition mould group is (as opposite with display screen to set
The one side set), it will increase the thickness of display device in this way, be unfavorable for the lightening of display device, reduce user uses body
It tests.
Also, in both the above mode, it is required to that a fingerprint chip is additionally arranged in a display device, is referred to processing
Line identifies the signal of mould group, further increases the cost of display device.
Summary of the invention
In view of this, the present invention provides a kind of display panel and display device, to solve the problems of the prior art.
The present invention provides a kind of display panels, comprising: viewing area and the non-display area around viewing area；Display panel packet
Multiple fingerprint identification modules are included, fingerprint identification module includes fingerprint identification unit, signal switch unit, signal lead；Fingerprint is known
Other unit is located at viewing area；Signal switch unit includes first input end, the first output end and second output terminal；First input end
It is electrically connected with signal lead, the first output end and fingerprint identification unit electrical connection, second output terminal and conductive electrode electrical connection；?
Fingerprint recognition stage, first input end and the conducting of the first output end, first input end and second output terminal insulation；In display rank
Section, first input end and the insulation of the first output end, first input end and second output terminal conducting.
The present invention also provides a kind of display devices, including display panel provided by the invention.
Compared with prior art, display panel provided by the invention and display device at least realize following beneficial effect
Fruit:
1, fingerprint identification unit setting in the display area, can make formation during making display panel.Relatively
Manufacture craft and cost can be saved, and be conducive to display device without additional production fingerprint recognition mould group in the prior art
It is lightening.
2, fingerprint identification unit setting in the display area, is not take up the space of non-display area, thus is conducive to display panel
Narrow frame, be conducive to improve screen accounting, be advantageously implemented the display effect shielded comprehensively.
3, fingerprint identification module can be multiplexed existing signal lead transmission telecommunications number in display panel, and signal lead is not only
Display function can be realized for conductive electrode transmission telecommunications number, can also realize that fingerprint is known for fingerprint identification unit transmission telecommunications number
Other function, thus can simplify the Wiring structure of display panel；Also, the chip for handling signal lead can be multiplexed, for locating
The electric signal of reason fingerprint identification module without increasing additional fingerprint recognition chip, can reduce display compared with the existing technology
The cost of panel.
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 structural schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of fingerprint identification module provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of another fingerprint identification module provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of another fingerprint identification module provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of another display panel provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of another fingerprint identification module provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of another fingerprint identification module provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of another display panel provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of another fingerprint identification module provided in an embodiment of the present invention；
Figure 10 is the structural schematic diagram of another display panel provided in an embodiment of the present invention；
Figure 11 is the structural schematic diagram of another display panel provided in an embodiment of the present invention；
Figure 12 is the structural schematic diagram of another display panel provided in an embodiment of the present invention；
Figure 13 is a kind of structural schematic diagram of 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.
Fig. 1 and Fig. 2 are please referred to, a kind of display panel is present embodiments provided, comprising:
Viewing area AA and non-display area NA around viewing area AA；
Display panel includes multiple fingerprint identification modules 10, and fingerprint identification module 10 includes fingerprint identification unit 11, signal
Switch unit 12, signal lead 13；Fingerprint identification unit 11 is located at viewing area AA；
Signal switch unit 12 includes first input end I1, the first output end O1 and second output terminal O2；First input end
I1 and signal lead 13 are electrically connected, and the first output end O1 and fingerprint identification unit 11 are electrically connected, second output terminal O2 and conduction electricity
Pole 20 is electrically connected；
In the fingerprint recognition stage, referring to Figure 3, first input end I1 and the first output end O1 conducting, the first input
Hold I1 and second output terminal O2 insulation；Fig. 3 was illustrated in the fingerprint recognition stage, and the equivalent circuit of signal switch unit 12 is illustrated
Figure；
In the display stage, referring to Figure 4, first input end I1 and the first output end O1 insulation, first input end I1
It is connected with second output terminal O2.Fig. 4 is illustrated in display stage, the schematic equivalent circuit of signal switch unit 12.
Display panel provided in this embodiment has fingerprint identification function.Specifically, viewing area AA is for showing image
Information may include multiple pixels (not illustrating in figure) in the AA of viewing area；Non-display area NA does not have display function, for being arranged
Cabling, electronic component.
Fingerprint identification module 10 has the function of identifying finger print information, specifically, fingerprint identification module 10 is known including fingerprint
Other unit 11, fingerprint identification unit 11 can convert electric signal for fingerprint signal.Fingerprint identification unit 11 is arranged in viewing area
In AA, formation can be made during making display panel.
Signal switch unit 12 includes an input terminal and two output ends, the electric signal of first input end I1 can be divided
When export.First input end I1 and signal lead 13 are electrically connected, and signal lead 13 is first input end I1 transmission telecommunications number.Specifically
, in the different phase of display panel, signal switch unit 12 can control the electric signal of signal lead 13 from the first output end
O1 output, or the electric signal of control signal lead 13 are exported from second output terminal O2.
In the fingerprint recognition stage, signal lead 13 is to 11 transmission fingerprint identification signal of fingerprint identification unit, so that display surface
Plate carries out fingerprint recognition；At this point, first input end I1 and the first output end O1 conducting, first input end I1 and second output terminal O2
Insulation.
In the display stage, signal lead 13 is to 20 transmitting display signal therefor of conductive electrode, so that display panel realizes display function
Energy；At this point, first input end I1 and the first output end O1 insulation, first input end I1 and second output terminal O2 conducting.
It should be noted that fingerprint recognition stage and display stage can be alternately repeated repeatedly within the time of a frame, tool
Body number of repetition needs are configured according to the actual performance demand of display panel, and the present embodiment is not specifically limited this.
Also, in the present embodiment, only said so that the regional area of viewing area AA is provided with fingerprint identification unit 11 as an example
Bright, the embodiment of the present invention is not specifically limited specific location of the fingerprint identification unit 11 in the AA of viewing area.Display panel
Either full frame identification, as fingerprint identification unit are uniformly distributed in the AA of viewing area；Display panel is also possible to local knowledge
Not, as fingerprint identification unit is distributed only over the partial fingerprints cog region of viewing area AA.Various embodiments of the present invention do not make this
Concrete restriction.
Display panel provided in this embodiment, at least have it is following the utility model has the advantages that
1, fingerprint identification unit 11 is arranged in the AA of viewing area, and formation can be made during making display panel.
Compared with the existing technology, without additional production fingerprint recognition mould group, manufacture craft and cost can be saved, and be conducive to show
Device it is lightening.
2, fingerprint identification unit 11 is arranged in the AA of viewing area, is not take up the space of non-display area NA, thus is conducive to show
The narrow frame for showing panel is conducive to improve screen accounting, is advantageously implemented the display effect shielded comprehensively.
3, fingerprint identification module 10 can be multiplexed existing 13 transmission telecommunications number of signal lead, signal lead in display panel
13 not only can realize display function for 20 transmission telecommunications number of conductive electrode, can also be 11 transmission telecommunications number of fingerprint identification unit
It realizes fingerprint identification function, thus can simplify the Wiring structure of display panel；Also, the chip for handling signal lead 13 can be with
Multiplexing, for handling the electric signal of fingerprint identification module 10, compared with the existing technology, without increasing additional fingerprint recognition core
Piece can reduce the cost of display panel.
It should be noted that signal lead 13 and conductive electrode 20 can be multiplexed existing structure in display panel.
Specifically, in some alternative embodiments, with continued reference to FIG. 1, viewing area AA includes multiple public electrodes
Block, public electrode block are multiplexed with conductive electrode 20.In the display stage, public electrode block is used to receive the public affairs of the transmission of signal lead 13
Common voltage signal, signal lead 13 can be public electrode wire.It can also include that pixel electrode (is not illustrated in figure in display panel
Out), voltage difference is formed between public electrode and pixel electrode, can be used to implement display function.Optionally, the present embodiment provides
Display panel be liquid crystal display panel.Voltage difference in the display stage of display panel, between public electrode and pixel electrode
For controlling liquid crystal molecule deflection, to control the light and shade of pixel, display function is realized.
In display panel provided in this embodiment, multiplexing public electrode wire is fingerprint identification module 10 as signal lead
Transmission fingerprint identification signal can reduce to avoid excessive signal wire is increased in display panel for display panel aperture opening ratio
Influence.
Optionally, conductive electrode 20 is multiplexed with touch control electrode, and signal lead 13 is multiplexed with touch-control cabling.In the present embodiment,
Public electrode block is multiplexed with touch control electrode, makes display panel that the function of location information of identification touch-control may be implemented.Specifically,
The touch-control cognitive phase of display panel, when touch control operation occurs for display panel, by the electric signal for detecting multiple touch control electrodes
Variation, the corresponding touch control electrode of control operating position can be determined, so that it is determined that the location information of touch control operation.
In display panel provided in this embodiment, touch control electrode is multiplexed with conductive electrode, is multiplexed touch-control cabling as signal
Cabling 13 can make display panel further realize touch function, enrich the performance of display panel, promote user experience.
In other optional embodiments, referring to FIG. 5, conductive electrode 20 is multiplexed with pixel electrode, signal lead 13
It is multiplexed with data line.In display panel provided in this embodiment, in the display stage, pixel electrode is for receiving the biography of signal lead 13
Defeated pixel voltage signal, signal lead 13 can be data line.It can also include that public electrode (does not show in figure in display panel
Anticipate out), voltage difference is formed between public electrode and pixel electrode, can be used to implement display function.Optionally, the present embodiment mentions
The display panel of confession is liquid crystal display panel.Voltage in the display stage of display panel, between public electrode and pixel electrode
Difference is for controlling liquid crystal molecule deflection, to control the light and shade of pixel, realizes display function.
It should be noted that signal lead 13 and conductive electrode 20 can be multiplexed existing structure in display panel, Fig. 1 and
Fig. 5 is as exemplary only.In some optional implementations of the present invention, signal lead 13 and conductive electrode 20 can be answered
With the other structures in display panel, this is no longer going to repeat them for the embodiment of the present invention.
In the following, the present invention herein illustratively illustrates the specific structure of fingerprint identification module.
In some alternative embodiments, referring to FIG. 6, in the present embodiment, fingerprint identification module 10 is controlled including fingerprint
Line 14；
Fingerprint identification unit 11 includes: first switch 111 and photodiode 112；The grid and fingerprint of first switch 111
Control line 14 is electrically connected, and the first pole of first switch 111 and photodiode 112 are electrically connected；Second pole of first switch 111 and
First output end O1 electrical connection.
In display panel provided in this embodiment, only it is illustrated so that first switch 111 is N-type TFT as an example,
Optionally, first switch 111 can be other kinds of switch, such as P-type TFT, the present embodiment are not made this specifically
Limitation.In the present embodiment, fingerprint control line 14 is used to control the on or off of first switch 111.When first switch 111 is
When N-type TFT, when the electric signal of fingerprint control line 14 is high level signal, first switch 111 is connected；Fingerprint control line
When 14 electric signal is low level signal, first switch 111 is ended.
Photodiode 112 can convert optical signal into electric signal.Photodiode is called photodiode
It (photodiode) is a kind of optical detector that can convert the light to electric current or voltage signal.Photodiode is often used one
A PN junction with photosensitive feature, it is very sensitive to the variation of light, there is unilateral conduction, and can change when light intensity difference
Therefore becoming electrology characteristic can use illumination power to change the electric current in circuit.
When first switch 111 is connected, the fingerprint recognition signal of the first output end O1 output can be transmitted to photosensitive two pole
Pipe 112, photodiode 112 carries out fingerprint recognition, and electric signal is transmitted to signal lead 13 by the first output end O1, leads to
The situation of change for analyzing the electric signal of each signal lead 13 is crossed, can know the fingerprint recognition situation of each photodiode 112, and
Obtain finger print information.
In display panel provided in this embodiment, finger print information, the structure of bright diode are detected using photodiode
Simply, manufacture craft difficulty is lower and compact, convenient for being integrated in the viewing area of display panel.
In some alternative embodiments, referring to FIG. 7, in the present embodiment, signal switch unit 12 includes: second switch
121 and third switch 122；Wherein,
The grid of second switch 121 and the electrical connection of the first control line 30, the first pole of second switch 121 and the first output end
O1 electrical connection, the second pole of second switch 121 and first input end I1 electrical connection；
The grid of third switch 122 and the electrical connection of the second control line 31, the first pole of third switch 122 and second output terminal
O2 electrical connection, the second pole of third switch 122 and first input end I1 electrical connection.
Two switches, respectively second switch 121 and third switch are provided in the present embodiment, in signal switch unit 12
122；In the different phase of display panel, two switches are for controlling the electric signal timesharing of first input end I1 from the first output end
O1, second output terminal O2 output.
Specifically, the electric signal of first input end I1 is exported from the first output end O1 when second switch 121 is connected,
Electric signal is provided for fingerprint identification unit 11.When third switch 122 is connected, the electric signal of first input end I1 is exported from second
O2 output is held, provides electric signal for conductive electrode 20.
Two switches are provided in display panel provided in this embodiment, in signal switch unit 12, it can be in display surface
The different phase of plate, control first input end I1 electric signal from the first output end O1, second output terminal O2 any one output,
It is different structural transmission electric signals, simplifies display in the different phase of display panel so as to multiplexed signals cabling 13
The cabling of panel is arranged.
In some alternative embodiments, Fig. 8 and Fig. 9 are please referred to, in the present embodiment, non-display area NA includes binding area
BO, binding area BO includes multiple conductive welding disks 32；
First control line 30 and conductive welding disk 32 are electrically connected, and the second control line 31 and conductive welding disk 32 are electrically connected.
In the present embodiment, binding area BO can be used for binding chip perhaps flexible circuit board chip or flexible circuit board
It can be electrically connected by conducting resinl and conductive welding disk 32.
Conductive welding disk 32 can provide electric signal for the first control line 30 and the second control line 31, to control second switch
121 and third switch 122 on or off state.
Optionally, please continue to refer to Fig. 8 and Fig. 9, one of second switch 121 and third switch 122 are that p-type film is brilliant
Body pipe, another one are N-type TFT；
First control line 30 and the electrical connection of the second control line 31 and the same conductive welding disk 32.
In the present embodiment, only be P-type TFT with second switch 121, third switch 122 is N-type TFT
For be illustrated.In other optional implementations of the invention, second switch 121 can be N-type TFT, third
Switch 122 can be P-type TFT.
Since one of second switch 121 and third switch 122 are P-type TFT, another one is that N-type film is brilliant
Body pipe, the signal of the two conducting is on the contrary, P-type TFT is connected under low potential control, and N-type TFT is in high potential
The lower conducting of control.The first control line 30 and the second control line 31 and the same conductive welding disk 32 can be thus electrically connected, only one
I.e. controllable one of second switch 121 and third switch 122 conducting of the electric signal of a conductive welding disk 32, another one cut-off,
To realize the function of 12 timesharing of signal switch unit output electric signal.
In the present embodiment, the quantity of conductive welding disk 32 can be effectively reduced, simplifies the structure of binding area BO, is conducive to show
Show the narrow frame of panel.
In some alternative embodiments, incorporated by reference to reference Fig. 9 and Figure 10, in the present embodiment, non-display area NA includes driving
Dynamic circuit 40, driving circuit 40 include multiple shift registers 41, and driving circuit 40 and fingerprint control line 14 are electrically connected；
In the fingerprint recognition stage, driving circuit 40 transmits driving signal to fingerprint control line 14.
In the present embodiment, driving circuit 40 is for driving fingerprint control line 14.Optionally, positioned at the fingerprint recognition of same a line
Unit 11 and same fingerprint control line 14 are electrically connected.Fingerprint control line 14 control a line first switch 111 simultaneously turn on or
Person's cut-off.
Driving circuit 40 includes multiple shift registers 41, and multiple shift registers generate driving signal, multiple drives one by one
Dynamic signal is connected for control first switch 111 line by line, and fingerprint identification module 10 carries out fingerprint recognition line by line.Optionally, this reality
It applies in example, driving signal is high level signal.
In the present embodiment, driving circuit 40 is provided in non-display area NA, driving signal can be generated in driving circuit 40,
The fingerprint identification unit 11 in fingerprint identification module 10 is driven to carry out fingerprint recognition.
It should be noted that in Figure 10, only with driving circuit 40 to the drive mode of fingerprint control line 14 for bilateral driving
For be illustrated, specifically, two ends of fingerprint control line 14 respectively with shift register 41 be electrically connected.It is understood that
, in other optional implementations of the invention, the end and displacement that fingerprint control line 14 can also only be arranged are posted
Storage 41 is electrically connected, and the embodiment of the present invention is not specifically limited the drive mode of driving circuit 40.
In some alternative embodiments, incorporated by reference to reference Fig. 9 and Figure 11, in the present embodiment, viewing area AA includes a plurality of
Gate lines G L；
Non-display area NA includes gate driving circuit 50, gate driving circuit 50 and a plurality of gate lines G L electrical connection；
Gate driving circuit 50 includes multiple first shift registers 51；
First shift register 51 and fingerprint control line 14 are electrically connected.
In display panel provided in this embodiment, gate driving circuit 50 is used to provide gate driving letter for gate lines G L
Number, gate drive signal is provided line by line to grid line.In the present embodiment, it is multiplexed gate driving circuit, is mentioned for fingerprint control line 14
For driving signal.
Optionally, it is electrically connected positioned at the fingerprint identification unit 11 of same a line and same fingerprint control line 14.Fingerprint control
The first switch 111 that line 14 controls a line simultaneously turns on or ends.Driving circuit 50 includes multiple first shift registers 51,
Multiple first shift registers generate driving signal one by one, and multiple driving signals are connected for control first switch 111 line by line, refer to
Line identification module 10 carries out fingerprint recognition line by line.Optionally, in the present embodiment, driving signal is high level signal.
In the present embodiment, gate driving circuit 50 can provide signal for gate lines G L, or fingerprint control line 14
Electric signal is provided, so as to simplify the circuit structure of non-display area NA, is conducive to the design for simplifying display panel, realizes narrow side
Frame.
It should be noted that being only unilateral with drive mode of the gate driving circuit 50 to fingerprint control line 14 in Figure 11
It is illustrated for driving, specifically, 14 only one end of fingerprint control line and the electrical connection of the first shift register 51.It can be with
Understand, in other of the invention optional implementations, also can be set two ends of fingerprint control line 14 respectively and
The electrical connection of first shift register 51, the embodiment of the present invention are not specifically limited the drive mode of gate driving circuit 50.
In some alternative embodiments, Fig. 9 and Figure 12 are please referred to, in the present embodiment, non-display area NA includes the 4th opening
Close 61 and third control line 32；
The grid and third control line 32 of 4th switch 61 are electrically connected, the first pole of the 4th switch 61 and the first shift LD
Device 41 is electrically connected, and the second pole of the 4th switch 61 and fingerprint control line 14 are electrically connected.
Optionally, in the fingerprint recognition stage, third control line 32 controls the conducting of the 4th switch 61；
In the display stage, third control line 32 controls the cut-off of the 4th switch 61.
In the present embodiment, the 4th switch 61 and third control line 32, third control line 32 are provided in non-display area NA
For controlling the on or off of the 4th switch 61.When third control line 32 controls the conducting of the 4th switch 61, gate driving
The electric signal transmission of circuit 50 is to fingerprint control line 14, to carry out fingerprint recognition；When third control line 32 controls the 4th switch 61
When cut-off, the electric signal transmission of gate driving circuit 50 is to gate lines G L, to be shown.
Optionally, the grid of multiple 4th switches 61 can be electrically connected with same third control line 32, and control line 32 is controlled
Make multiple 4th switches 61 simultaneously turn on, fingerprint control line 14 receives driving signal line by line.
It, can be in fingerprint by the 4th switch 61 of setting and third control line 32 in display panel provided in this embodiment
Cognitive phase and display stage control the driving signal whether fingerprint control line 14 receives gate driving circuit 50 respectively, thus
The function of abundant display panel, enriches usage scenario, the user experience is improved.
The present invention also provides a kind of display device, the display panel provided including any of the above-described embodiment of the present invention.Please
It is a kind of structural schematic diagram of display device provided in an embodiment of the present invention with reference to Figure 13, Figure 13.The display device that Figure 13 is provided
1000 include the display panel 1001 that any of the above-described embodiment of the present invention provides.Figure 13 embodiment only takes the mobile phone as an example, to display
Device 1000 is illustrated, it is to be understood that display device provided in an embodiment of the present invention can be computer, TV, vehicle-mounted
Other display devices having a display function such as display device, the present invention are not specifically limited this.The embodiment of the present invention provides
Display device, with display panel provided in an embodiment of the present invention beneficial effect, can specifically refer to the various embodiments described above
For illustrating for display panel, details are not described herein for the present embodiment.
Through the foregoing embodiment it is found that display panel provided by the invention and display device, at least realizing following has
Beneficial effect:
On the one hand, fingerprint identification unit setting in the display area, can make formation during making display panel.
Compared with the existing technology, without additional production fingerprint recognition mould group, manufacture craft and cost can be saved, and be conducive to show
Device it is lightening.On the other hand, fingerprint identification unit setting in the display area, is not take up the space of non-display area, thus has
Conducive to the narrow frame of display panel, is conducive to improve screen accounting, is advantageously implemented the display effect shielded comprehensively.Another aspect,
Fingerprint identification module can be multiplexed existing signal lead transmission telecommunications number in display panel, and signal lead can be not only conduction
Electrode transmission telecommunications number realizes display function, can also realize fingerprint identification function for fingerprint identification unit transmission telecommunications number, because
And it can simplify the Wiring structure of display panel；Also, the chip for handling signal lead can be multiplexed, for handling fingerprint recognition
The electric signal of module, compared with the existing technology, without increasing additional fingerprint recognition chip, can reduce display panel at
This.
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 (13)
1. a kind of display panel characterized by comprising
Viewing area and non-display area around the viewing area；
The display panel includes multiple fingerprint identification modules, and the fingerprint identification module includes that fingerprint identification unit, signal are cut
Change unit, signal lead；The fingerprint identification unit is located at the viewing area；
The signal switch unit includes first input end, the first output end and second output terminal；The first input end and institute
State signal lead electrical connection, first output end and fingerprint identification unit electrical connection, the second output terminal and conduction
Electrode electrical connection；
In the fingerprint recognition stage, the first input end and first output end conducting, the first input end and described the
The insulation of two output ends；
In the display stage, the first input end and first output end insulation, the first input end and described second defeated
Outlet conducting.
2. display panel according to claim 1, which is characterized in that
The fingerprint identification module includes fingerprint control line；
The fingerprint identification unit includes: first switch and photodiode；The grid of the first switch and the fingerprint control
Line electrical connection processed, the first pole of the first switch and photodiode electrical connection；Second pole of the first switch and
The first output end electrical connection.
3. display panel according to claim 1, which is characterized in that
The signal switch unit includes: second switch and third switch；Wherein,
The grid of the second switch and the electrical connection of the first control line, the first pole of the second switch and first output end
Electrical connection, the second pole of the second switch and first input end electrical connection；
The grid of third switch and second control line electrical connection, the first pole of the third switch and described second defeated
Outlet electrical connection, the second pole of the third switch and first input end electrical connection.
4. display panel according to claim 3, which is characterized in that
The non-display area includes binding area, and the binding area includes multiple conductive welding disks；
First control line and conductive welding disk electrical connection, second control line and conductive welding disk electrical connection.
5. display panel according to claim 4, which is characterized in that
One of the second switch and third switch are P-type TFT, another one is N-type TFT；
First control line and second control line and the same conductive welding disk electrical connection.
6. display panel according to claim 1, which is characterized in that
The viewing area includes multiple public electrode blocks, and the public electrode block is multiplexed with the conductive electrode.
7. display panel according to claim 6, which is characterized in that
The conductive electrode is multiplexed with touch control electrode, and the signal lead is multiplexed with touch-control cabling.
8. display panel according to claim 1, which is characterized in that
The conductive electrode is multiplexed with pixel electrode, and the signal lead is multiplexed with data line.
9. display panel according to claim 1, which is characterized in that
The non-display area includes driving circuit, and the driving circuit includes multiple shift registers, the driving circuit and institute
State the electrical connection of fingerprint control line；
In the fingerprint recognition stage, the driving circuit transmits driving signal to the fingerprint control line.
10. display panel according to claim 1, which is characterized in that
The viewing area includes a plurality of grid line；
The non-display area includes gate driving circuit, the gate driving circuit and a plurality of grid line electrical connection；
The gate driving circuit includes multiple first shift registers；
First shift register and fingerprint control line electrical connection.
11. display panel according to claim 10, which is characterized in that
The non-display area includes the 4th switch and third control line；
The first pole and described first of the grid of 4th switch and third control line electrical connection, the 4th switch is moved
Bit register electrical connection, the second pole of the 4th switch and fingerprint control line electrical connection.
12. display panel according to claim 11, which is characterized in that
In the fingerprint recognition stage, the 4th switch conduction described in the third control line traffic control；
In the display stage, the 4th switch cut-off described in the third control line traffic control.
13. a kind of display device, which is characterized in that including according to claim 1-12 described in any item display panels.
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