CN206163101U - Electrostatic discharge circuit, display panel and display device - Google Patents
Electrostatic discharge circuit, display panel and display device Download PDFInfo
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- CN206163101U CN206163101U CN201621199591.0U CN201621199591U CN206163101U CN 206163101 U CN206163101 U CN 206163101U CN 201621199591 U CN201621199591 U CN 201621199591U CN 206163101 U CN206163101 U CN 206163101U
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- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 18
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- 238000005516 engineering process Methods 0.000 description 3
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Abstract
The embodiment of the utility model discloses electrostatic discharge circuit, display panel and display device, wherein, electrostatic discharge circuit includes: the electrostatic discharge module comprises a first end, a second end, a third end, a fourth end, a first control end and a second control end, the second control end is electrically connected with the fourth end, the electrostatic discharge module is used for transmitting a positive signal input by the first end to the second end, a negative signal input by the third end is transmitted to the fourth end, or the negative signal input by the second end is transmitted to the first end, a positive signal input by the fourth end is transmitted to the third end, the first end of the switch module is electrically connected with the first end, the second end of the switch module is electrically connected with the first control end, and the switch module is used for inhibiting leakage current of the electrostatic discharge module. The embodiment of the utility model provides a technical scheme can restrain the leakage current of device in the electrostatic discharge circuit, reduces the consumption of electrostatic discharge circuit.
Description
Technical field
The utility model embodiment is related to display technology field, more particularly to a kind of static release circuit, display floater and
Display device.
Background technology
The vitals that static release circuit (ESD circuit) is used in protection equipment does not receive static damage, such as protecting
Data wire and scan line in shield display floater avoids being punctured by electrostatic.
Figure 1A is a kind of circuit diagram of static release circuit of the prior art.Static release circuit in Figure 1A includes crystalline substance
Body pipe 501 and transistor 502, transistor 501 and transistor 502 are connected between data wire 51 and ground wire 52.When data wire 51
On when having positive charge accumulation (positive electrostatic), transistor 501 is opened and released electric charge to ground wire 52, has negative electrical charge on data wire 51
During accumulation (negative sense electrostatic), transistor 502 is opened and released electric charge to ground wire 52.In normal work, it is assumed that on data wire
Operating voltage is 0.5-12V, and due to there is voltage signal on data wire, when being high potential on data wire, transistor 501 is opened, brilliant
Body pipe 502 is closed, and when being electronegative potential on data wire, transistor 501 is closed, and transistor 502 is opened.When transistor is opened, crystal
There is leakage current to flow through on pipe, causing the power consumption of static release circuit increases, and the leakage current for producing may be in impact equipment
The normal work of other devices.
Utility model content
The utility model provides a kind of static release circuit, display floater and display device, to suppress static release circuit
In device leakage current, reduce power consumption.
In a first aspect, the utility model embodiment provides a kind of static release circuit, the static release circuit includes：
The Electro-static Driven Comb module includes first end, the second end, the 3rd end, the 4th end, the first control end and the second control
End, second control end is electrically connected with the 4th end, and the Electro-static Driven Comb module is used to be input into the first end just
To signal transmission to second end, the negative-going signal that the 3rd end is input into is transmitted to the 4th end, or for inciting somebody to action
The negative-going signal of the second end input is transmitted to the first end, and the forward signal that the 4th end is input into is transmitted to the 3rd
End；
The first end of the switch module is electrically connected with the first end, the second end of the switch module and described first
Control end is electrically connected, and the switch module is used to suppress the leakage current of the Electro-static Driven Comb module.
Further, the Electro-static Driven Comb module includes the first transistor and transistor seconds, and the switch module includes
Third transistor；
First pole of the first transistor electrically connects with the first end, the second pole of the first transistor with it is described
Second end electrically connects；
First pole of the transistor seconds and grid are electrically connected with the 4th end, the second pole of the transistor seconds
Electrically connect with the 3rd end；
First pole of the third transistor electrically connects with the first pole of the first transistor, the third transistor
Second pole electrically connects with the grid of the first transistor.
Further, the grid of the third transistor is electrically connected with the second pole of the third transistor.
Further, the Electro-static Driven Comb module includes that the 4th transistor, the 5th transistor, the 6th transistor and the 7th are brilliant
Body pipe, the switch module includes the 8th transistor；
First pole of the 4th transistor electrically connects with the first end；
First pole of the 5th transistor and grid are electrically connected with the 4th end, the second pole of the 5th transistor
Electrically connect with the second pole of the 4th transistor；
First pole of the 6th transistor and grid are electrically connected with the second pole of the 4th transistor, and the described 6th is brilliant
Second pole of body pipe electrically connects with second end；
First pole of the 7th transistor and grid are electrically connected with the second pole of the 4th transistor, and the described 7th is brilliant
Second pole of body pipe electrically connects with the 3rd end；
First pole of the 8th transistor electrically connects with the first end, second pole of the 8th transistor and described
The grid electrical connection of four transistors.
Further, it is characterised in that the grid of the 8th transistor is electrically connected with the second pole of the 8th transistor
Connect.
Second aspect, the utility model embodiment provides a kind of display floater, and the display floater includes viewing area and week
Side circuit region, the viewing area is provided with the multi-strip scanning line for extending in a first direction and many datas for extending in a second direction
Line, the scan line is additionally provided with the utility model any embodiment with the data wire square crossing, the periphery circuit region
The static release circuit of offer, the static release circuit is used to discharge the data wire and/or the electrostatic in the scan line.
Further, the periphery circuit region is additionally provided with least one alignment buffer and at least one public electrode wire；Institute
Static release circuit is stated including multiple first static release circuits and the second static release circuit；
Per one first static release circuit of scan line correspondence described in bar, per described in data wire correspondence one described in bar
Second static release circuit；
Second end and the 4th end of first static release circuit electrically connects with corresponding scan line, first electrostatic
The first end of release circuit and the 3rd end electrically connect with the alignment buffer；
The first end of second static release circuit and the 3rd end electrically connect with corresponding data wire, second electrostatic
Second end and the 4th end of release circuit electrically connects with the alignment buffer,
The end of the alignment buffer is electrically connected by first static release circuit and/or second static release circuit
It is connected to the public electrode wire.
Further, the alignment buffer includes the first alignment buffer and the second alignment buffer, first static release circuit
First end and the 3rd end electrically connect with first alignment buffer；Second end of second static release circuit and the 4th end and institute
State the electrical connection of the second alignment buffer；
Second end and the 4th of the two ends end of first alignment buffer the first static release circuit described with two respectively
End electrical connection, and this two first static release circuits first end and the 3rd end be electrically connected with the public electrode wire
Connect；
The first end and the 3rd of the two ends end of second alignment buffer the second static release circuit described with two respectively
End electrically connects, and second end and the 4th end of two second static release circuits electrically connect with the public electrode wire.
The third aspect, the utility model embodiment provides a kind of display device, and the display device includes the utility model
The display floater that any embodiment is provided.
The technical scheme that the utility model embodiment is provided, in the static release circuit course of work, switch module is used for
Suppress the leakage current of Electro-static Driven Comb module, for example, suppress the leakage current of device in Electro-static Driven Comb module, the leakage of Electro-static Driven Comb module
Electric current is inhibited, and reduces the power consumption of static release circuit.
Description of the drawings
Figure 1A is a kind of circuit diagram of static release circuit of the prior art；
Figure 1B is a kind of circuit structure diagram of static release circuit that the utility model embodiment is provided；
Fig. 2A is a kind of circuit diagram of static release circuit that the utility model embodiment is provided；
Fig. 2 B are the circuit diagrams of another kind of static release circuit that the utility model embodiment is provided；
Fig. 2 C are a kind of simulation result figures that the utility model embodiment is provided；
Fig. 2 D are the circuit diagrams of another kind of static release circuit that the utility model embodiment is provided；
Fig. 2 E are the circuit diagrams of another kind of static release circuit that the utility model embodiment is provided；
Fig. 2 F are another kind of simulation result figures that the utility model embodiment is provided；
Fig. 3 A are the circuit diagrams of another kind of static release circuit that the utility model embodiment is provided；
Fig. 3 B are the circuit diagrams of another kind of static release circuit that the utility model embodiment is provided；
Fig. 3 C are another kind of simulation result figures that the utility model embodiment is provided；
Fig. 3 D are the circuit diagrams of another kind of static release circuit that the utility model embodiment is provided；
Fig. 3 E are the circuit diagrams of another kind of static release circuit that the utility model embodiment is provided；
Fig. 3 F are another kind of simulation result figures that the utility model embodiment is provided；
Fig. 4 A are a kind of structural representations of display floater that the utility model embodiment is provided；
Fig. 4 B are the structural representations of another kind of display floater that the utility model embodiment is provided；
Fig. 5 is a kind of schematic diagram of display device that the utility model embodiment is provided.
Specific embodiment
With reference to the accompanying drawings and examples the utility model is described in further detail.It is understood that herein
Described specific embodiment is used only for explanation the utility model, rather than to restriction of the present utility model.Further need exist for
It is bright, for the ease of description, the part related to the utility model rather than entire infrastructure are illustrate only in accompanying drawing.
Figure 1B is a kind of circuit structure diagram of static release circuit that the utility model embodiment is provided.Referring to Figure 1B, should
Static release circuit includes：Electro-static Driven Comb module 11 and switch module 12；
Electro-static Driven Comb module 11 include first end D1, the second end D2, the 3rd end D3, the 4th end D4, the first control end CT1 and
Second control end CT2, the second control end CT2 is electrically connected with the 4th end D4, and Electro-static Driven Comb module 11 is used for the input of first end D1
Forward signal transmit to the second end D2, the negative-going signal that the 3rd end D3 is input into is transmitted to the 4th end D4, or for by the
The negative-going signal of two end D2 inputs is transmitted to first end D1, and the forward signal that the 4th end D4 is input into is transmitted to the 3rd end D3；
The first end of switch module 12 is electrically connected with first end D1, the second end and first control end CT1 of switch module 12
Electrical connection, switch module 12 is used to suppress the leakage current of Electro-static Driven Comb module 11.
The utility model embodiment provides static release circuit, and in the static release circuit course of work, switch module is used
In the leakage current for suppressing Electro-static Driven Comb module, for example, suppress the leakage current of device in Electro-static Driven Comb module, Electro-static Driven Comb module
Leakage current is inhibited, and reduces the power consumption of static release circuit.
Fig. 2A is a kind of circuit diagram of static release circuit that the utility model embodiment is provided.Referring to Fig. 2A, in Figure 1B
Electro-static Driven Comb module 11 on the basis of shown static release circuit, in the static release circuit that the utility model embodiment is provided
Including the first transistor 101 and transistor seconds 102, switch module 12 includes third transistor 103；
First pole of the first transistor 101 electrically connects with first end D1, the second pole of the first transistor 101 and the second end D2
Electrical connection；
First pole of transistor seconds 102 and grid are electrically connected with the 4th end D4, the second pole of transistor seconds 102 and the
Three end D3 are electrically connected；
First pole of third transistor 103 electrically connects with the first pole of the first transistor 101, and the of third transistor 103
Two poles electrically connect with the grid of the first transistor 101.
It is N-type transistor with the first transistor 101, transistor seconds 102 and third transistor 103 below to say as example
The course of work of the static release circuit shown in bright Fig. 2A.Referring to Fig. 2 B, wherein, first end D1 of static release circuit and the 3rd
End D3 is electrically connected with drives line 21, and the second end D2 of static release circuit and the 4th end D4 are electrically connected with alignment buffer 22, and electrostatic is released
Electric discharge road can be used to discharge the electrostatic in drives line 21, and specifically, static release circuit can pass through the electrostatic in drives line 21
First end D1 is transmitted to the second end D2, is released to alignment buffer 22, or the electrostatic in drives line 21 is passed by the 3rd end D3
The 4th end D4 is transported to, is released to alignment buffer 22.Exemplary, when occurring positive electrostatic (positive charge) in drives line 21, the
One transistor 101 is turned on, and transistor seconds 102 is closed, the positive electrostatic in drives line 21 by the first transistor 101 release to
On alignment buffer 22.When occurring negative sense electrostatic (negative electrical charge) in drives line 21, transistor seconds 102 is turned on, the first transistor 101
Close, the negative sense electrostatic in drives line 21 is released to alignment buffer 22 by transistor seconds 102.Under normal condition, drives line
When there is not electrostatic on 21, such as occurs the continuous impulse signal of positive polarity in drives line 21, transistor seconds 102 is in anti-
To bias state, transistor seconds 102 is closed.Because third transistor 103 is in floating boom state, i.e. third transistor 103
Grid is hanging.The voltage of the grid of third transistor 103 is almost nil, and the leakage current of third transistor 103 is also smaller, due to
Leakage current is to flow to the second pole (B node), the voltage of the second pole of third transistor 103 from the first pole of third transistor 103
Than relatively low, the voltage of the voltage of the second pole of third transistor 103 less than the second end D2, due to the second of third transistor 103
Pole electrically connects with the grid of the first transistor 101, and the second end D2 is electrically connected with the second pole of the first transistor 101, then first is brilliant
The grid voltage of body pipe 101 less than the second pole of the first transistor 101 voltage, the second extremely source electrode of the first transistor 101,
Then the gate source voltage (voltage between grid and source electrode) of the first transistor 101 is less than zero, and the first transistor 101 is in closing shape
State or in close closed mode, the leakage current of the first transistor 101 is reduced, the lower power consumption of whole static release circuit,
Power consumption is saved.
A kind of simulation result figure that Fig. 2 C the utility model embodiment is provided.With the first transistor in Fig. 2 B 101 and second
The breadth length ratio of transistor 102 is 16/6, and the breadth length ratio of third transistor 103 is to carry out emulating as a example by 6/6 obtaining shown in Fig. 2 C
Simulation result figure.Referring to Fig. 2 C, 121 is the pulse signal of the positive polarity in drives line 21.122 is the voltage of B node, and 123 are
The voltage of the second end D2.Can see, current potential of the B node current potential less than the second end D2, the voltage of B node voltage and the second end D2
Difference is -0.8～-1.1V.Through emulation experiment, in a frame time, the power consumption of the static release circuit shown in 100 Fig. 2 B is
1.71uw。
Fig. 2 D are the circuit diagrams of another kind of static release circuit that the utility model embodiment is provided.Referring to Fig. 2 D, this reality
The static release circuit provided with new embodiment, on the basis of static release circuit shown in Fig. 2A, third transistor 103
Grid is electrically connected with the second pole of third transistor 103.Exemplary, referring to Fig. 2 E, wherein, the first end of static release circuit
D1 and the 3rd end D3 are electrically connected with drives line 21, and the second end D2 of static release circuit and the 4th end D4 are electrically connected with alignment buffer 22
Connect, static release circuit can be used to discharge the electrostatic in drives line 21, due to the grid and third transistor of third transistor 103
103 the second pole electrical connection, when third transistor 103 is N-type transistor, the second extremely source electrode of third transistor 103, i.e., the
The grid of three transistors 103 and source electrode are electrically connected, and the gate source voltage (grid and source voltage) of third transistor 103 is equal to zero,
The leakage current of third transistor 103 is almost nil.Then the voltage ratio of the pole (B node) of third transistor 103 second is relatively low, equal to zero
Or it is nearly equal to zero, the voltage of the voltage of the second pole of third transistor 103 less than the second end D2, due to third transistor
103 the second end electrically connects with the grid of the first transistor 101, and the second pole of the first transistor 101 electrically connects with the second end D2,
Therefore the grid voltage of the first transistor 101 less than the second pole of the first transistor 101 voltage, the of the first transistor 101
Two extremely source electrodes, then the gate source voltage (voltage between grid and source electrode) of the first transistor 101 be less than zero, the first transistor
101 are closed or in close closed mode, and the leakage current of the first transistor 101 is reduced, whole Electro-static Driven Comb electricity
The lower power consumption on road, has saved power consumption.
A kind of simulation result figure that Fig. 2 F the utility model embodiment is provided.With the first transistor in Fig. 2 E 101 and second
The breadth length ratio of transistor 102 is 16/6, and the breadth length ratio of third transistor 103 is to carry out emulating as a example by 6/6 obtaining shown in Fig. 2 F
Simulation result figure.Referring to Fig. 2 F, 121 is the pulse signal of the positive polarity in scan line 21.122 is the voltage of B node, and 123 are
The voltage of the second end D2.Can see, current potential of the B node current potential less than the second end D2, the voltage of B node voltage and the second end D2
Difference is -1.5～-1.8V.Through emulation experiment, in the frame period for showing, the static release circuit shown in 100 Fig. 2 E
Power consumption is 1.73uw.
Through simulation, in the frame period for showing, the power consumption of the static release circuit shown in 100 Figure 1A is 6.2uw.
It can be seen that the static release circuit power dissipation ratio that the present embodiment is provided is relatively low.
Fig. 3 A are the circuit diagrams of another kind of static release circuit that the utility model embodiment is provided.Referring to Fig. 3 A, in figure
Electro-static Driven Comb module on the basis of static release circuit shown in 1B, in the static release circuit that the utility model embodiment is provided
11 include the 4th transistor 104, the 5th transistor 105, the 6th transistor 106 and the 7th transistor 107, and switch module 12 includes
8th transistor 108；
First pole of the 4th transistor 104 electrically connects with first end D1；
First pole of the 5th transistor 105 and grid are electrically connected with the 4th end D4, the second pole of the 5th transistor 105 and the
The second pole electrical connection of four transistors 104；
First pole of the 6th transistor 106 and grid are electrically connected with the second pole of the 4th transistor 104, the 6th transistor
106 the second pole electrically connects with the second end D2；
First pole of the 7th transistor 107 and grid are electrically connected with the second pole of the 4th transistor 104, the 7th transistor
107 the second pole electrically connects with the 3rd end D3；
First pole of the 8th transistor 108 electrically connects with first end D1, the pole of the 8th transistor 108 second and the 4th transistor
104 grid electrical connection.
It is brilliant with the 4th transistor 104, the 5th transistor 105, the 6th transistor 106, the 7th transistor 107 and the 8th below
Body pipe 108 is the course of work of the static release circuit shown in N-type transistor explanatory diagram 3A.Referring to Fig. 3 B, wherein, electrostatic is released
The second end D2 and the 4th end D4 on electric discharge road is electrically connected with drives line 31, first end D1 of static release circuit and the 3rd end D3 and
Alignment buffer 32 is electrically connected.Static release circuit can transmit the electrostatic in drives line 31 to first end D1 by the second end D2, let out
Put to alignment buffer 32, or the electrostatic in drives line 31 is transmitted to the 4th end D3 by the 4th end D3, release to alignment buffer
On 32.Exemplary, when occurring positive electrostatic in drives line 31, the 5th transistor 105 and the 7th transistor 107 are turned on, and the 4th
The transistor 106 of transistor 104 and the 6th is closed, and the positive electrostatic in drives line 31 is by the 5th transistor 105 and the 7th crystal
Pipe 107 is released to alignment buffer 32.When occurring negative sense electrostatic in drives line 31, the 4th transistor 104 and the 6th transistor 106
Conducting, the 5th transistor 105 and the 7th transistor 107 are closed, and the negative sense electrostatic in drives line 31 passes through the He of the 6th transistor 106
4th transistor 104 is released to alignment buffer 32.In normal work, namely when there is not electrostatic in drives line 31, for example
When signal in drives line 31 is amplitude minus low level signal, the 5th transistor 105 and the 7th transistor 107 are in anti-
To bias state, the 5th transistor 105 and the 7th transistor 107 are closed.Because the 8th transistor 108 is in floating boom state, i.e.,
The grid of the 8th transistor 108 is hanging.The voltage of the grid of the 8th transistor 108 is almost nil, the electric leakage of the 8th transistor 108
Stream is also smaller, because leakage current is to flow to the second pole, the second pole of the 8th crystal 108 from the first pole of the 8th transistor 108
Voltage of the voltage of (C nodes) less than the pole of the 8th transistor 108 first.Due to the crystal of the first pole the 4th of the 8th transistor 108
The first pole electrical connection of pipe 104, the second pole of the 8th transistor 108 electrically connects with the grid of the 4th transistor 104, then the 4th is brilliant
Voltage of the grid voltage of body pipe 104 less than the pole of the 4th transistor 104 first.And the 4th transistor 104 in the prior art
Grid is electrically connected with the first pole of the 4th transistor 104, the voltage of the grid of the 4th transistor 104 and the 4th transistor 104
The voltage of the first pole is equal.Compared with prior art, the grid voltage of the 4th transistor 104 decreases, the 4th transistor 104
Leakage current reduce.Because the 4th transistor 104 and the 6th crystal 106 constitute an electrostatic leakage path, the 6th transistor 106
Leakage current also reduce.The lower power consumption of whole static release circuit, has saved power consumption.
A kind of simulation result figure that Fig. 3 C the utility model embodiment is provided.It is brilliant with the 4th transistor the 104, the 5th in Fig. 3 B
The breadth length ratio of body pipe 105, the 6th transistor 106 and the 7th transistor 107 is 16/6, and the breadth length ratio of the 8th transistor 108 is 6/6
As a example by carry out emulating the simulation architecture obtained shown in Fig. 3 C.Wherein, 311 is the signal in drives line 31.312 is the electricity of C nodes
Pressure, 313 is the voltage of first end D1.C node voltages are less than the voltage of first end D1 before 100us, during 100us～200us,
C node voltages be more than first end D1 voltage, the two voltage difference within 0.3V, the latter two voltage differences be maintained at -4V or so.Jing
Emulation experiment is crossed, in the frame period for showing, the power consumption of the static release circuit shown in 100 Fig. 3 B is 122.2nw.
Fig. 3 D are the circuit diagrams of another kind of static release circuit that the utility model embodiment is provided.Referring to Fig. 3 D, this reality
The static release circuit provided with new embodiment, on the basis of static release circuit shown in Fig. 3 A, the 8th transistor 108
Grid is electrically connected with the second pole of the 8th transistor 108.It is exemplary, referring to Fig. 3 E, the second end D2 of static release circuit and
4th end D4 is electrically connected with drives line 31, and first end D1 of static release circuit and the 3rd end D3 are electrically connected with alignment buffer 32.By
Grid and the second pole electrical connection of the 8th transistor 108 in the 8th transistor 108, the second extremely source of the 8th transistor 108
Pole, the gate source voltage of the 8th transistor 108 is equal to zero, and the leakage current of the 8th transistor 108 is equal to zero, because leakage current is from the
First pole of eight transistors 108 flows to the second pole, the second pole tension of the 8th transistor 108 less than the 8th transistor 108 the
The voltage of one pole.Due to the first pole electrical connection of the transistor 104 of the first pole the 4th of the 8th transistor 108, the 8th transistor 108
The second pole electrically connect with the grid of the 4th transistor 104, then the grid voltage of the 4th transistor 104 be less than the 4th transistor
The voltage of 104 first poles.And in the prior art the grid of the 4th transistor 104 is electrically connected with the first pole of the 4th transistor 104
Connect, the voltage of the grid of the 4th transistor 104 is equal with the voltage of the first pole of the 4th transistor 104.Compared with prior art,
The grid voltage of the 4th transistor 104 decreases, and the leakage current of the 4th transistor 104 reduces.Due to the He of the 4th transistor 104
6th crystal 106 constitutes an electrostatic leakage path, and the leakage current of the 6th transistor 106 also reduces.Whole static release circuit
Lower power consumption, saved power consumption.
A kind of simulation result figure that Fig. 3 F the utility model embodiment is provided.It is brilliant with the 4th transistor the 104, the 5th in Fig. 3 E
The breadth length ratio of body pipe 105, the 6th transistor 106 and the 7th transistor 107 is 16/6, and the breadth length ratio of the 8th transistor 108 is 6/6
As a example by carry out emulating the simulation result figure obtained shown in Fig. 3 F.Wherein, 311 is the signal in drives line 31.312 are C nodes
Voltage, 312 is the voltage of first end D1.Can see, C points current potential is less than the current potential of first end D1, and both before 2ms
Voltage difference is maintained at -2.2V or so.Through emulation experiment, in the frame period for showing, the Electro-static Driven Comb shown in 100 Fig. 3 E
The power consumption of circuit is 131.8nw.
Through simulation, in the frame period for showing, if the leakage current of the static release circuit in the present embodiment does not have
It is inhibited, the power consumption of 100 static release circuits is 139.1nw.It can be seen that the static release circuit power consumption that the present embodiment is provided
Than relatively low.
It should be noted that the drives line in the utility model embodiment can drive for scan line, data wire or touch-control
Any one holding wire in moving-wire.And the transistor in the static release circuit provided in the utility model embodiment can be
P-type transistor, equally can realize reducing the effect of power consumption.
A kind of display floater that the utility model embodiment is also provided.Referring to Fig. 4 A, what the utility model embodiment was provided
Display floater includes viewing area 41 and periphery circuit region 42, and viewing area 41 is provided with the multi-strip scanning line for extending in a first direction
401 and a plurality of data lines 402 that extends in a second direction, scan line 401 and the square crossing of data wire 402, periphery circuit region 42
The static release circuit of the utility model any embodiment offer is additionally provided with, static release circuit is used to discharge data wire 402
And/or the electrostatic in scan line 401, the static release circuit 401 and static release circuit 402 such as in figure.
Further, with continued reference to Fig. 4 A, periphery circuit region 42 is additionally provided with least one alignment buffer 403 and at least one
Public electrode wire 404；Static release circuit includes multiple first static release circuits 410 and multiple second static release circuits
420；
Every scan line 401 one the first static release circuit 410 of correspondence, correspondence one described the per data line 402
Two static release circuits 420；
Second end D2 of the first static release circuit 410 and the 4th end D4 are electrically connected with corresponding scan line 401, and first is quiet
First end D1 of electric release circuit 410 and the 3rd end D3 are electrically connected with alignment buffer；
First end D1 and the 3rd end D3 of the second static release circuit 420 is electrically connected with corresponding data wire 402, and second is quiet
Second end D2 of electric release circuit 420 and the 4th end D4 are electrically connected with alignment buffer 403,
The end of alignment buffer 403 is electrically connected by the first static release circuit 410 and/or the second static release circuit 420
To public electrode wire 404.
In the utility model is implemented, the first Electro-static Driven Comb can adopt the electrostatic that the utility model any embodiment is provided to release
Electric discharge road, the second static release circuit can adopt the static release circuit that the utility model any embodiment is provided.
Referring to Fig. 4 B, in the present embodiment, the number of alignment buffer can be more than one, and alignment buffer includes the first alignment buffer 405
With the second alignment buffer 406, first end D1 and the 3rd end D3 of the first static release circuit 410 are electrically connected with the first alignment buffer 405；
Second end D2 of the second static release circuit 420 and the 4th end D4 are electrically connected with the second alignment buffer 406；Namely first Electro-static Driven Comb
Circuit 410 is by the Electro-static Driven Comb in scan line 401 to the first alignment buffer 405；Second static release circuit 420 is by data wire 402
On Electro-static Driven Comb to the second alignment buffer 406, due to the letter in course of normal operation, in scan line 401 and data wire 402
Number type may be different, can prevent from mutually being done between the signal in scan line 401 and data wire 402 using two alignment buffers
Disturb.
The two ends end of the first alignment buffer 405 respectively with the second end D2 and the 4th of two the first static release circuits 410
End D4 electrical connections, and first end D1 and the 3rd end D3 of this two the first static release circuits 410 are electric with public electrode wire 404
Connection；
The two ends end of the second alignment buffer 406 respectively with first end D1 and the 3rd of two the second static release circuits 420
End D3 electrical connections, and the second end D2 and the 4th end D4 of this two the second static release circuits 420 are electric with public electrode wire 404
Connection.
The end of the first alignment buffer 405 and the second alignment buffer 406 is by corresponding static release circuit and public electrode wire
404 electrical connections, by electrostatic leakage to public electrode wire 404.The display floater that the utility model embodiment is provided may also include
The chip 407 of gate drive signal is provided to scan line 401, the chip 408 of data drive signal is provided to data wire 402, also
The flexible PCB 409 for being located at non-display area is may include, public electrode wire 404 is electrically connected with flexible PCB 409.
Through emulation, if the drain electrode to device in static release circuit is not limited, in the frame period for showing,
The power consumption on public electrode wire in display floater is 4.32uw.In the display floater that the utility model embodiment is provided, adopt
During static release circuit in Fig. 2A or 3A, in the frame period for showing, the power consumption of public electrode wire is 1.54uw；Using
During static release circuit in Fig. 2 D or Fig. 3 D, in the frame period for showing, the power consumption of public electrode wire is 1.59uw.Can
See the static release circuit provided using the utility model embodiment, the power consumption of public electrode wire also decreases, and reduces aobvious
Show the power consumption of panel.
In addition, the utility model embodiment additionally provides a kind of display device, referring to Fig. 5, the display device 51 includes this
The display floater 52 that utility model any embodiment is provided.
Note, above are only preferred embodiment of the present utility model and institute's application technology principle.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, can carry out for a person skilled in the art various bright
Aobvious change, readjust and substitute without departing from protection domain of the present utility model.Therefore, although by above example
The utility model is described in further detail, but the utility model is not limited only to above example, without departing from
In the case that the utility model is conceived, more other Equivalent embodiments can also be included, and scope of the present utility model is by appended
Right determine.
Claims (9)
1. a kind of static release circuit, it is characterised in that include：Electro-static Driven Comb module and switch module；
The Electro-static Driven Comb module includes first end, the second end, the 3rd end, the 4th end, the first control end and the second control end, institute
State the second control end to electrically connect with the 4th end, the Electro-static Driven Comb module is used for the forward signal for being input into the first end
Transmit to second end, the negative-going signal that the 3rd end is input into is transmitted to the 4th end, or for by described the
The negative-going signal of two ends input is transmitted to the first end, and the forward signal that the 4th end is input into is transmitted to the 3rd end；
The first end of the switch module is electrically connected with the first end, and the second end of the switch module and described first controls
End electrical connection, the switch module is used to suppress the leakage current of the Electro-static Driven Comb module.
2. static release circuit according to claim 1, it is characterised in that the Electro-static Driven Comb module includes first crystal
Pipe and transistor seconds, the switch module includes third transistor；
First pole of the first transistor electrically connects with the first end, the second pole of the first transistor and described second
End electrical connection；
First pole of the transistor seconds and grid are electrically connected with the 4th end, the second pole of the transistor seconds and institute
State the electrical connection of the 3rd end；
First pole of the third transistor electrically connects with the first pole of the first transistor, and the second of the third transistor
Pole electrically connects with the grid of the first transistor.
3. static release circuit according to claim 2, it is characterised in that the grid of the third transistor and described
The second pole electrical connection of three transistors.
4. static release circuit according to claim 1, it is characterised in that the Electro-static Driven Comb module includes the 4th crystal
Pipe, the 5th transistor, the 6th transistor and the 7th transistor, the switch module includes the 8th transistor；
First pole of the 4th transistor electrically connects with the first end；
First pole of the 5th transistor and grid are electrically connected with the 4th end, the second pole of the 5th transistor and institute
State the second pole electrical connection of the 4th transistor；
First pole of the 6th transistor and grid are electrically connected with the second pole of the 4th transistor, the 6th transistor
The second pole electrically connect with second end；
First pole of the 7th transistor and grid are electrically connected with the second pole of the 4th transistor, the 7th transistor
The second pole electrically connect with the 3rd end；
First pole of the 8th transistor electrically connects with the first end, and second pole of the 8th transistor is brilliant with the described 4th
The grid electrical connection of body pipe.
5. static release circuit according to claim 4, it is characterised in that the grid of the 8th transistor and described
The second pole electrical connection of eight transistors.
6. a kind of display floater, it is characterised in that including viewing area and periphery circuit region, the viewing area is provided with along first party
To the multi-strip scanning line for extending and a plurality of data lines for extending in a second direction, the scan line is vertical with the data wire to be handed over
Fork, the periphery circuit region is additionally provided with the arbitrary described static release circuit of claim 1-5, and the static release circuit is used
Electrostatic on the release data wire and/or the scan line.
7. display floater according to claim 6, it is characterised in that the periphery circuit region is additionally provided with least one and delays
Breast the tape and at least one public electrode wire；The static release circuit includes that multiple first static release circuits and the second electrostatic are released
Electric discharge road；
Per one first static release circuit of scan line correspondence described in bar, per data wire correspondence one described second described in bar
Static release circuit；
Second end and the 4th end of first static release circuit electrically connects with corresponding scan line, first Electro-static Driven Comb
The first end of circuit and the 3rd end electrically connect with the alignment buffer；
The first end of second static release circuit and the 3rd end electrically connect with corresponding data wire, second Electro-static Driven Comb
Second end and the 4th end of circuit electrically connects with the alignment buffer,
The end of the alignment buffer is electrically connected to by first static release circuit and/or second static release circuit
The public electrode wire.
8. display floater according to claim 7, it is characterised in that the alignment buffer includes the first alignment buffer and second slow
Breast the tape, the first end of first static release circuit and the 3rd end electrically connect with first alignment buffer；Second electrostatic
Second end and the 4th end of release circuit electrically connects with second alignment buffer；
Respectively the second end of the first static release circuit described with two and the 4th end are electric for the two ends end of first alignment buffer
Connection, and this two first static release circuits first end and the 3rd end electrically connect with the public electrode wire；
Respectively the first end of the second static release circuit described with two and the 3rd end are electric for the two ends end of second alignment buffer
Connect, and second end and the 4th end of two second static release circuits electrically connect with the public electrode wire.
9. a kind of display device, it is characterised in that including the display floater described in any one of claim 6-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621199591.0U CN206163101U (en) | 2016-11-07 | 2016-11-07 | Electrostatic discharge circuit, display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621199591.0U CN206163101U (en) | 2016-11-07 | 2016-11-07 | Electrostatic discharge circuit, display panel and display device |
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| Publication Number | Publication Date |
|---|---|
| CN206163101U true CN206163101U (en) | 2017-05-10 |
Family
ID=58657814
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621199591.0U Active CN206163101U (en) | 2016-11-07 | 2016-11-07 | Electrostatic discharge circuit, display panel and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108333810A (en) * | 2018-01-03 | 2018-07-27 | 上海天马微电子有限公司 | Display panel and display device |
| WO2019075779A1 (en) * | 2017-10-18 | 2019-04-25 | 深圳市华星光电半导体显示技术有限公司 | Electrostatic protection circuit structure, display panel and display apparatus |
| CN110136580A (en) * | 2018-02-08 | 2019-08-16 | 三星显示有限公司 | Display device |
| CN110299070A (en) * | 2019-06-24 | 2019-10-01 | 昆山国显光电有限公司 | A kind of display panel and display device |
| WO2020107771A1 (en) * | 2018-11-30 | 2020-06-04 | 武汉华星光电技术有限公司 | Test circuit and display panel for preventing esd device from leakage |
| CN112287826A (en) * | 2020-10-29 | 2021-01-29 | 上海中航光电子有限公司 | Capacitive fingerprint identifier, display panel and display device |
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2016
- 2016-11-07 CN CN201621199591.0U patent/CN206163101U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019075779A1 (en) * | 2017-10-18 | 2019-04-25 | 深圳市华星光电半导体显示技术有限公司 | Electrostatic protection circuit structure, display panel and display apparatus |
| CN108333810A (en) * | 2018-01-03 | 2018-07-27 | 上海天马微电子有限公司 | Display panel and display device |
| CN110136580A (en) * | 2018-02-08 | 2019-08-16 | 三星显示有限公司 | Display device |
| CN110136580B (en) * | 2018-02-08 | 2022-08-09 | 三星显示有限公司 | Display device |
| WO2020107771A1 (en) * | 2018-11-30 | 2020-06-04 | 武汉华星光电技术有限公司 | Test circuit and display panel for preventing esd device from leakage |
| CN110299070A (en) * | 2019-06-24 | 2019-10-01 | 昆山国显光电有限公司 | A kind of display panel and display device |
| CN110299070B (en) * | 2019-06-24 | 2021-12-14 | 昆山国显光电有限公司 | Display panel and display device |
| CN112287826A (en) * | 2020-10-29 | 2021-01-29 | 上海中航光电子有限公司 | Capacitive fingerprint identifier, display panel and display device |
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