CN109509444A - Control circuit, display device and the control method of display panel - Google Patents
Control circuit, display device and the control method of display panel Download PDFInfo
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- CN109509444A CN109509444A CN201811559085.1A CN201811559085A CN109509444A CN 109509444 A CN109509444 A CN 109509444A CN 201811559085 A CN201811559085 A CN 201811559085A CN 109509444 A CN109509444 A CN 109509444A
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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
- G09G3/20—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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
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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
This application discloses a kind of control circuit of display panel, display device and control method, the control circuit of the display panel includes: the first signal input part, second signal input terminal, first electrode, second electrode, ON-OFF control circuit and switching circuit；Wherein, the first input end of the ON-OFF control circuit is connect with first signal input part, and the second input terminal of the ON-OFF control circuit is connect with the second signal input terminal；The output end of the ON-OFF control circuit is connect with the controlled end of the switching circuit, and the first end of the switching circuit is connect with the first electrode, and the second end of the switching circuit is connect with the second electrode.The technical solution of the application can accelerate the charge efficiency of each electrode, solve the problems, such as to cause to show that picture is abnormal since each electrode charge is insufficient.
Description
Technical field
The present invention relates to field of display technology, in particular to a kind of control circuit of display panel, display device and control
Method.
Background technique
(Thin Film Transistor Liquid Crystal Display, tft liquid crystal are aobvious by TFT-LCD
Show device) have become modern IT, display platform important in video product.
However, because the material property of liquid crystal, is acted on liquid crystal with same voltage for a long time, will lead to liquid crystal polarization,
Cause display abnormal.So TFT-LCD needs to be arranged reference voltage during showing, and the voltage value that will be above reference voltage is fixed
Justice is positive polarity, and the voltage value lower than reference voltage is defined as negative polarity.During display, the voltage acted on liquid crystal is each
Frame can switch between positive polarity and negative polarity, to avoid liquid crystal polarization.And in practical applications, directly by the voltage on electrode
It is switched to negative polarity from positive polarity, since cross-pressure is larger, will cause electrode charge deficiency, causes to show that picture is abnormal.
Summary of the invention
The embodiment of the present application is by providing the control circuit, display device and control method of a kind of display panel, it is intended to solve
Certainly lead to the problem for showing picture exception since the electrode charge in display device is insufficient.
To achieve the above object, the application provides a kind of control circuit of display panel, the control circuit of the display panel
Include:
First signal input part is configured as the first open signal of transmission；
Second signal input terminal is configured as the second open signal of transmission；
First electrode；
Second electrode；
ON-OFF control circuit, the first input end of the ON-OFF control circuit are connect with first signal input part, institute
The second input terminal for stating ON-OFF control circuit is connect with the second signal input terminal；The ON-OFF control circuit, is configured as
When receiving first open signal, corresponding first control signal is exported；The ON-OFF control circuit, is additionally configured to
When receiving second open signal, corresponding second control signal is exported；
Switching circuit, the controlled end of the switching circuit are connect with the output end of the ON-OFF control circuit, the switch
The first end of circuit is connect with the first electrode, and the second end of the switching circuit is connect with the second electrode；It is described to open
Powered-down road is configured as being opened according to the first control signal, so that the first electrode carries out phase with the second electrode
Mutual charging neutrality；The switching circuit is additionally configured to be closed according to the second control signal, to disconnect the first electrode
Being electrically connected between the second electrode.
Optionally, the ON-OFF control circuit includes signal input unit and signal trigger unit, and the signal input is single
The first input end of member is the first input end of the ON-OFF control circuit, and the second input terminal of the signal input unit is institute
State the second input terminal of ON-OFF control circuit, the triggering end of the output end of the signal input unit and the signal trigger unit
Connection, the output end of the signal trigger unit are the output end of the ON-OFF control circuit.
Optionally, the signal input unit includes first diode and the second diode, and the first diode is just
The first input end of the extremely described signal input unit, the second of the just extremely described signal input unit of second diode
The common end of input terminal, the first diode and second diode is the output end of the signal input unit.
Optionally, the signal trigger unit includes trigger, phase inverter and first resistor, the clock letter of the trigger
Number input terminal is the triggering end of the signal trigger unit, the output end of the data input pin of the trigger and the phase inverter
And the first end connection of the first resistor, the data output end of the trigger are connect with the input terminal of the phase inverter, institute
The output end for stating phase inverter is the output end of the signal trigger unit, the second end ground connection of the first resistor.
Optionally, the switching circuit includes N-type insulating properties field-effect tube, the grid of the N-type insulating properties field-effect tube
For the controlled end of the switching circuit, the source electrode of the N-type insulating properties field-effect tube and drain electrode are respectively the switching circuit
First end and second end.
Optionally, the first electrode is opposite with the polarity of the second electrode.
To achieve the above object, the application also provides a kind of display device, and the display device includes institute any one of as above
The control circuit for the display panel stated.
Optionally, the display device further includes display panel.
Optionally, the display panel includes display area and fan-out area, the control circuit setting of the display panel
On the fan-out area.
To achieve the above object, the application also provides a kind of control method of display panel, the control of the display panel
Method is applied to the control circuit of display panel, and the control circuit of the display panel includes the first signal input part, the second letter
Number input terminal, first electrode, second electrode, ON-OFF control circuit and switching circuit, the control method of the display panel include:
Step S1, the ON-OFF control circuit is in the first open signal for receiving the first signal input part input
When, corresponding first control signal is exported to the switching circuit；
Step S2, the switching circuit are connected according to the first control signal, so that the first electrode and described the
Two electrodes carry out mutual charging neutrality；
Step S3, the ON-OFF control circuit is in the second open signal for receiving the second signal input terminal input
When, corresponding second control signal is exported to the switching circuit；
Step S4, the switching circuit are closed according to the second control signal, with disconnect the first electrode with it is described
Electrical connection between second electrode.
The technical solution of the application, by the way that switching circuit is arranged between the adjacent and opposite polarity electrode in position, each
It before electrode is charged, is opened by ON-OFF control circuit control switch circuit, so that opposite polarity each electrode can be with
It is connected by the opening of switching circuit, carries out mutual charging neutrality.It is equivalent to the voltage starting point for improving the charging of each electrode,
The charging time of each electrode is reduced, so as to solve to cause to show picture since each electrode charge in display device is insufficient
Abnormal problem.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is that the invention shows the structural block diagrams of one embodiment of control circuit of panel；
Fig. 2 is the structural block diagram of one embodiment of ON-OFF control circuit in Fig. 1；
Fig. 3 is that the invention shows the signals of the circuit structure of one embodiment of control circuit of panel；
Fig. 4 is that the invention shows the flow diagrams of one embodiment of control method of panel.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 10 | ON-OFF control circuit | 20 | Switching circuit |
| 30 | First electrode | 40 | Second electrode |
| 101 | Signal input unit | 102 | Signal trigger unit |
| U1 | D type flip flop | U2 | Phase inverter |
| D1 | First diode | D2 | Second diode |
| Q1 | N-type insulating properties field-effect tube | R1 | First resistor |
| GateN-1 | First signal input part | GateN | Second signal input terminal |
| C | Clock signal input terminal | D | Data input pin |
| Q | Data output end | GND | Ground terminal |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of control circuit of display panel.
Referring to Fig.1, the control circuit of the display panel includes: the first signal input part GateN-1, second signal input terminal
GateN, first electrode 30, second electrode 40, ON-OFF control circuit 10 and switching circuit 20；Wherein, the ON-OFF control circuit
10 first input end is connect with the first signal input part GateN-1, the second input terminal of the ON-OFF control circuit 10
It is connect with the second signal input terminal GateN；The output end of the ON-OFF control circuit 10 and the switching circuit 20 by
Control end connection, the first end of the switching circuit 20 connect with the first electrode 30, the second end of the switching circuit 20 and
The second electrode 40 connects.
In the present embodiment, the ON-OFF control circuit 10, for according to the first signal input part GateN-1 or institute
The open signal of second signal input terminal GateN input is stated, exports corresponding control signal to the switching circuit 20, with control
The switching circuit 20 turns on or off.
In the present embodiment, the switching circuit 20 has and closes and open two states, can use various transistor groups
It is realized at circuit, such as insulating properties field-effect tube, triode and other composite switch electricity being made of multiple transistors
Road, it is unlimited herein.
The technical solution of the application, can be before each electrode charges normal, by the adjacent and opposite polarity electricity of each position
Pole carries out mutual charging neutrality, to improve the charge efficiency of each electrode.The control circuit of the display panel can be set aobvious
Show on the fan-out area of panel.The present embodiment illustrates by taking first electrode 30 and second electrode 40 as an example.And adjacent in position
Switching circuit 20 is set between the opposite first electrode 30 of polarity and second electrode 40.And it is filled in first electrode 30 and second electrode 40
Before electricity, the first open signal of the first signal input part GateN-1 input is received by ON-OFF control circuit 10, and according to this
First open signal generates the control signal function of high level in switching circuit 20, with the opening of control switch circuit 20.Due to opening
The first end and second end on powered-down road 20 are connect with first electrode 30 and second electrode 40 respectively, when switching circuit 20 is opened,
It is on state between first electrode 30 and second electrode 40, opposite polarity first electrode 30 and second electrode 40 carry out mutually
Charging neutrality.
When ON-OFF control circuit 10 receives the second open signal of second signal input terminal GateN input, switch control
Circuit 10 processed generates low level control signal and acts on switching circuit 20, with the closing of control switch circuit 20.Due to switch
Circuit 20 is closed, and therefore, is also converted to off-state by state between first electrode 30 and second electrode 40.In the first electricity
When being off-state between pole 30 and second electrode 40, first electrode 30 and second electrode 40 second are opened based on the received
Signal starts to charge.So set, being equivalent to before first electrode 30 and second electrode 40 are charged, first by each electricity
The voltage of pole is increased to reference voltage position, then starts to charge to target voltage from reference voltage, can effectively improve each electricity
The charge efficiency of pole.Wherein, the first open signal and the second open signal are also the control signal of each electrode, with the corresponding electricity of control
Pole executes charging action.
The technical solution of the application, by the way that switching circuit is arranged between the adjacent and opposite polarity electrode in position, each
It before electrode is charged, is opened by ON-OFF control circuit control switch circuit, so that opposite polarity each electrode can be with
It is connected by the opening of switching circuit, carries out mutual charging neutrality, it is possible to reduce in the charging time of each electrode, effectively mentioned
The charge efficiency of high each electrode.
Referring to FIG. 1 and FIG. 2, in one embodiment, the ON-OFF control circuit 10 includes signal input unit 101 and signal
Trigger unit 102, the first input end of the signal input unit 101 are the first input end of the ON-OFF control circuit 10,
Second input terminal of the signal input unit 101 is the second input terminal of the ON-OFF control circuit 10, the signal input
The output end of unit 101 is connect with the triggering end of the signal trigger unit 102, the output end of the signal trigger unit 102
For the output end 10 of the ON-OFF control circuit.
In the present embodiment, in the initial state, the data input pin D of the d type flip flop U1 in signal trigger unit 102 is
It is low, when signal input unit 101 receives the first open signal, the trigger signal of high level is transmitted to signal trigger unit
102, so that the d type flip flop U1 in signal trigger unit 102 is triggered, d type flip flop U1 is by the low level electricity of its data input pin
It is exported after the inverted device U2 of signal to the controlled end of switching circuit, with the opening of control switch circuit 20.It is opened in switching circuit 20
When, opposite polarity first electrode 30 and second electrode 40 carry out charging neutrality.Second is received in signal input unit 101 to open
When opening signal, the trigger signal of high level is exported to signal trigger unit 102, so that the d type flip flop U1 in trigger unit 102 is touched
Hair, as high due to the level for the output end that the data input pin D of d type flip flop U1 at this time is signal trigger unit 102, D triggering
Device U1 will be exported after the inverted device U2 of the electric signal of the high level to the controlled end of switching circuit, with the pass of control switch circuit 20
It closes.When switching circuit 20 is closed, first electrode 30 and second electrode 40 are off-state, at this point, first electrode 30 and second
Second open signal based on the received of electrode 40, starts to charge.
Referring to Fig.1 and Fig. 3, in one embodiment, the signal input unit 101 includes first diode D1 and the two or two
The first input end of the just extremely described signal input unit 101 of pole pipe D2, the first diode D1, second diode
Second input terminal of the just extremely described signal input unit 101 of D2, the first diode D1 and the second diode D2
Common end be the signal input unit 101 output end.
In practical applications, each open signal can control corresponding electrode and execute charging action.The present embodiment is logical
Setting diode is crossed, using the one-way conduction characteristic of diode, first that the first signal input part GateN-1 is inputted can be prevented
Open signal each electrode corresponding to second signal input terminal is had an impact or second signal input terminal GateN input the
Two open signals have an impact each electrode corresponding to the first signal input part GateN-1.Wherein, first diode D1 and
Two diode D2 can use the diode of same size.
Referring to Fig.1 and Fig. 3, in one embodiment, the signal trigger unit 102 include trigger U1, phase inverter U2 and
The clock signal input terminal of first resistor R1, the trigger U1 are the triggering end of the signal trigger unit 102, the triggering
The data input pin of device U1 is connect with the first end of the output end of the phase inverter U2 and first resistor R1, the trigger U1's
Data output end is connect with the input terminal of the phase inverter U2, and the output end of the phase inverter U2 is the signal trigger unit
102 output end, the second end ground connection of the first resistor R1.
In the present embodiment, trigger U1 is chosen as d type flip flop U1, and the characteristic of d type flip flop U1 is to work as clock signal input terminal
When C receives the rising edge of signal, the logic level of its data input pin D is assigned to its data output end Q.In original state
Under, the data input pin D of d type flip flop U1 be it is low, first electrode 30 and second electrode 40 are off-state.It is connect in d type flip flop U1
When receiving the rising edge of the first open signal, the data output end Q of d type flip flop U1 exports low level electric signal to phase inverter
The control signal of the corresponding output high level of U2, phase inverter U2 simultaneously acts on switching circuit 20, with the opening of control switch circuit 20；?
When d type flip flop U1 receives the rising edge of the second open signal, since the level of the data input pin D of d type flip flop U1 at this time is
The output level of phase inverter U2, therefore, the data input pin D of d type flip flop U1 are high level, the high electricity of data output end Q output
Flat electric signal is to phase inverter U2, and phase inverter U2 is corresponding to be exported low level control signal and act on switching circuit 20, with control
Switching circuit 20 processed is closed.Also, first resistor R1 is arranged by the output end in phase inverter U2, it can be to avoid phase inverter U2 institute
The control signal of the high level of output is pulled low because of being directly grounded.
Referring to Fig.1 and Fig. 3, in one embodiment, the switching circuit 20 can use N-type insulating properties field-effect tube Q1,
The grid of the N-type insulating properties field-effect tube Q1 is the controlled end of the switching circuit 20, the N-type insulating properties field-effect tube Q1
Source electrode and drain electrode be respectively the switching circuit 20 first end and second end.
Wherein it is possible to which the source electrode that N-type insulating properties field-effect tube Q1 is arranged is connect with first electrode 30, or the N is set
The drain electrode of type insulating properties field-effect tube Q1 is connect with first electrode 30, unlimited herein.
Specifically, switching circuit 20 is exported according to phase inverter U2 before first electrode 30 and second electrode 40 charge
The control signal of high level is opened, so as to be on state between first electrode 30 and second electrode 40, due to first electrode 30
For polarity with first electrode 40 on the contrary, when switching circuit 20 is opened, first electrode 30 and second electrode 40 carry out mutual charge
It neutralizes.When switching circuit 20 receives the low level control signal of phase inverter U2 output, switching circuit 20 is closed, to disconnect
Being electrically connected between first electrode 30 and second electrode 40.First electrode 30 and second electrode 40 are opened according to institute received second
Signal starts to charge.The technical solution of the application, by before each electrode charge, first making opposite polarity each electrode
Mutual charging neutrality is carried out, to improve the voltage starting point of each electrode charge, is equivalent to and each electrode is increased to base before charging
Quasi- voltage location is started to charge to target voltage, so as to reduce each electrode when each electrode is charged normal from reference voltage
Charging time, effectively improve the charge efficiency of each electrode.
The application also proposes a kind of display device, the control circuit including display panel and display panel as described above,
The display panel includes display area and fan-out area, and the control circuit of the display panel is arranged in the fan-out area
On.The detailed construction of the control circuit of the display panel can refer to above-described embodiment, and details are not described herein again；It is understood that
Due to having used the control circuit of above-mentioned display panel in the application display device, the implementation of the application display device
Example includes whole technical solutions of the control circuit whole embodiments of above-mentioned display panel, and technical effect achieved is also complete
Identical, details are not described herein.
In the present embodiment, display device can be television set, tablet computer, mobile phone etc. and fill with the display of display panel
It sets.The display panel can be following any: liquid crystal display panel, OLED display panel, QLED display panel, twisted-nematic
(Twisted Nematic, TN) or super twisted nematic (Super Twisted Nematic, STN) type, plane conversion (In-
Plane Switching, IPS) type, vertical orientation (Vertical Alignment, VA) type, curved face type panel or other are aobvious
Show panel.
The application also proposes a kind of control method of display panel, referring to Fig. 4, the control method application of the display panel
In the control circuit of display panel, the control circuit of the display panel includes the first signal input part GateN-1, second signal
Input terminal GateN, first electrode 30, second electrode 40, ON-OFF control circuit 10 and switching circuit 20；Wherein, the display surface
The control method of plate includes:
Step S1, the ON-OFF control circuit 10 are receiving the first of the first signal input part GateN-1 input
When open signal, corresponding first control signal is exported to the switching circuit 20；
Step S2, the switching circuit 20 is connected according to the first control signal, so that the first electrode 30 and institute
It states second electrode 40 and carries out mutual charging neutrality；
Step S3, the ON-OFF control circuit 10 are opened in receive the second signal input terminal GateN input second
When opening signal, corresponding second control signal is exported to the switching circuit 20；
Step S4, the switching circuit 20 are closed according to the second control signal, with disconnect the first electrode 30 with
Electrical connection between the second electrode 40.
The control method of the display panel of the present embodiment, by the way that ON-OFF control circuit 20 is arranged, in ON-OFF control circuit 10
When receiving the first open signal, control signal to the switching circuit 20 for exporting high level will with the opening of control switch circuit 20
First electrode 30 and second electrode 40 conducting being separately connected with the both ends of switching circuit 20, so that opposite polarity first
Electrode 30 and second electrode 40 carry out mutual charging neutrality.When ON-OFF control circuit 10 receives the second open signal, output
Low level control signal is to switching circuit 20, with the closing of control switch circuit 20, so that connect with switching circuit 20
First electrode 30 is converted to off-state from state with second electrode 40, and first electrode 30 and second electrode 40 are able to normally
Charging.By carrying out first electrode 30 and second electrode 40 in charge
With, be equivalent to the charging starting point for improving each electrode, so as to reduce the charging time of each electrode, improve each electrode charging effect
Rate.
The foregoing is merely alternative embodiments of the invention, are not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of control circuit of display panel, which is characterized in that the control circuit of the display panel includes:
First signal input part is configured as the first open signal of transmission；
Second signal input terminal is configured as the second open signal of transmission；
First electrode；
Second electrode；
ON-OFF control circuit, the first input end of the ON-OFF control circuit is connect with first signal input part, described to open
The second input terminal for closing control circuit is connect with the second signal input terminal；The ON-OFF control circuit is configured as connecing
When receiving first open signal, corresponding first control signal is exported；The ON-OFF control circuit is additionally configured to connecing
When receiving second open signal, corresponding second control signal is exported；
Switching circuit, the controlled end of the switching circuit are connect with the output end of the ON-OFF control circuit, the switching circuit
First end connect with the first electrode, the second end of the switching circuit is connect with the second electrode；The switch electricity
Road is configured as being opened according to the first control signal, so that the first electrode and the second electrode carry out mutually electricity
Lotus neutralizes；The switching circuit is additionally configured to be closed according to the second control signal, to disconnect the first electrode and institute
State the electrical connection between second electrode.
2. the control circuit of display panel as described in claim 1, which is characterized in that the ON-OFF control circuit includes signal
Input unit and signal trigger unit, the first input end of the signal input unit are the first defeated of the ON-OFF control circuit
Enter end, the second input terminal of the signal input unit is the second input terminal of the ON-OFF control circuit, the signal input
The output end of unit is connect with the triggering end of the signal trigger unit, and the output end of the signal trigger unit is the switch
The output end of control circuit.
3. the control circuit of display panel as claimed in claim 2, which is characterized in that the signal input unit includes first
Diode and the second diode, the first input end of the just extremely described signal input unit of the first diode, described
Second input terminal of the just extremely described signal input unit of two diodes, the first diode and second diode
Common end is the output end of the signal input unit.
4. the control circuit of display panel as claimed in claim 2, which is characterized in that the signal trigger unit includes triggering
Device, phase inverter and first resistor, the clock signal input terminal of the trigger is the triggering end of the signal trigger unit, described
The data input pin of trigger is connect with the first end of the output end of the phase inverter and the first resistor, the trigger
Data output end is connect with the input terminal of the phase inverter, and the output end of the phase inverter is the output of the signal trigger unit
End, the second end ground connection of the first resistor.
5. the control circuit of display panel as described in claim 1, which is characterized in that the switching circuit includes N-type insulation
Property field-effect tube, the grid of the N-type insulating properties field-effect tube is the controlled end of the switching circuit, N-type insulating properties field
The source electrode of effect pipe and drain electrode are respectively the first end and second end of the switching circuit.
6. the control circuit of display panel as described in claim 1, which is characterized in that the first electrode and second electricity
The polarity of pole is opposite.
7. a kind of display device, which is characterized in that the display device includes such as display as claimed in any one of claims 1 to 6
The control circuit of panel.
8. display device as claimed in claim 7, which is characterized in that the display device further includes display panel.
9. display device as claimed in claim 8, which is characterized in that the display panel includes display area and fanout area
The control circuit in domain, the display panel is arranged on the fan-out area.
10. a kind of control method of display panel, which is characterized in that the control method of the display panel is applied to display panel
Control circuit, the control circuit of the display panel include the first signal input part, second signal input terminal, first electrode,
The control method of second electrode, ON-OFF control circuit and switching circuit, the display panel includes:
Step S1, the ON-OFF control circuit are defeated when receiving the first open signal of the first signal input part input
Corresponding first control signal is to the switching circuit out；
Step S2, the switching circuit are connected according to the first control signal, so that the first electrode and second electricity
Pole carries out mutual charging neutrality；
Step S3, the ON-OFF control circuit are defeated when receiving the second open signal of the second signal input terminal input
Corresponding second control signal is to the switching circuit out；
Step S4, the switching circuit are closed according to the second control signal, to disconnect the first electrode and described second
Electrical connection between electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811559085.1A CN109509444B (en) | 2018-12-19 | 2018-12-19 | Control circuit of display panel, display device and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811559085.1A CN109509444B (en) | 2018-12-19 | 2018-12-19 | Control circuit of display panel, display device and control method |
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| Publication Number | Publication Date |
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| CN109509444A true CN109509444A (en) | 2019-03-22 |
| CN109509444B CN109509444B (en) | 2021-07-06 |
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| CN201811559085.1A Active CN109509444B (en) | 2018-12-19 | 2018-12-19 | Control circuit of display panel, display device and control method |
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| CN109509444B (en) | 2021-07-06 |
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