CN110299122A - Display mode control circuit and its driving method, display mode control system - Google Patents
Display mode control circuit and its driving method, display mode control system Download PDFInfo
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- CN110299122A CN110299122A CN201910604630.2A CN201910604630A CN110299122A CN 110299122 A CN110299122 A CN 110299122A CN 201910604630 A CN201910604630 A CN 201910604630A CN 110299122 A CN110299122 A CN 110299122A
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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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
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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
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
- G09G2330/022—Power management, e.g. power saving in absence of operation, e.g. no data being entered during a predetermined time
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Abstract
This application provides a kind of display mode control circuit and its driving methods, display mode control system, are applied to field of display technology, to realize that display, automatically into power-down mode, reduces energy consumption by standby mode.Display mode control circuit includes: the first control sub-circuit and the second control sub-circuit, first control sub-circuit is electrically connected with control signal end, first voltage signal end and second voltage signal end, it is configured to respond to control signal provided by control signal end, exports second voltage signal provided by first voltage signal provided by first voltage signal end or second voltage end.Second control sub-circuit is electrically connected with the power supply line of the first control sub-circuit and display, is configured as receiving the first voltage signal that the first control sub-circuit is exported, is disconnected power supply line；And the second voltage signal that the first control sub-circuit is exported is received, connect power supply line.Aforementioned display device mode control circuit is applied in display.
Description
Technical field
This application involves field of display technology more particularly to a kind of display mode control circuit and its driving method, show
Show device schema control system and display device.
Background technique
Currently, in the case where user's operation display, display is in display mould in the use process of display
Formula, when user leave display after a certain period of time or user for a long time display is not operated, display can enter to
Machine mode, the screen of display become blank screen, and power consumption maintains setting wattage (such as 1W per hour) left and right per hour, compared to aobvious
Show that mode, standby mode power consumption are smaller.However, when user leaves display for a long time, and forget to close display, display is just
It can be constantly in standby mode, caused in the long period that user leaves display, display to set a wattage left side per hour
Right power consumption consumes electric energy, causes the waste of the energy, is unfavorable for energy conservation and environmental protection.
Summary of the invention
To overcome above-mentioned defect in the prior art, the application provides a kind of display mode control circuit and its driving side
Method, display mode control system and display device, to realize that display, automatically into power-down mode, is reduced by standby mode
Energy consumption, it is energy saving.
In order to achieve the above objectives, the application adopts the following technical scheme that
The first aspect of the application provides a kind of display mode control circuit, comprising: the first control sub-circuit and the
Two control sub-circuits, the first control sub-circuit are electrically connected with control signal end, first voltage signal end and second voltage signal end
It connects, is configured to respond to control signal provided by the control signal end, export provided by first voltage signal end the
Second voltage signal provided by one voltage signal or second voltage end.Second control sub-circuit and the first control sub-circuit electricity
Connection, is also electrically connected with the power supply line of display, and it is defeated that the second control sub-circuit is configured as reception the first control sub-circuit institute
First voltage signal out, disconnects power supply line；And the second voltage signal that the first control sub-circuit is exported is received, make
The power supply line connects.
In display mode control circuit provided herein, the first control sub-circuit is provided by the control signal end
Under the control for controlling signal, first voltage signal or second voltage signal are exported.Second control sub-circuit receives the first control
The second voltage signal that sub-circuit is exported, connects power supply line.Second control sub-circuit receives the first control sub-circuit institute
The first voltage signal of output, disconnects power supply line, so that display does not have plant-grid connection, into power-down mode, this
Sample, which is achieved that, makes display under control of the control signal, automatically into power-down mode, is not necessarily to manual hand manipulation, reduces energy
Consumption, it is energy saving.
In some embodiments, the first control sub-circuit includes: first switch tube, first resistor and second resistance.First
The control electrode of switching tube is electrically connected with control signal end, and the first pole is electrically connected with the second control sub-circuit, the second pole and the second electricity
Press signal end electrical connection.One end of first resistor is electrically connected with the first pole of first switch tube, the other end and first voltage signal
End electrical connection.One end of second resistance is electrically connected with control signal end, and the other end is electrically connected with the control electrode of first switch tube.
In some embodiments, the first control sub-circuit further include: first switch, the first end and display of first switch
Key for powering on electrical connection, second end is electrically connected with first voltage signal end, third end and first switch tube
Control electrode electrical connection is configured to respond to the instruction for needing to be powered to display that user assigns, makes second end and third end
It connects, so as to form access between first voltage signal end and the control electrode of first switch tube.
In some embodiments, the second control sub-circuit includes: control assembly and electronic control device.Control assembly and the
One control sub-circuit and the electrical connection of tertiary voltage signal end are configured as receiving the second electricity that the first control sub-circuit is exported
Signal is pressed, tertiary voltage signal provided by tertiary voltage signal end is exported；And receive the first control sub-circuit is exported the
One voltage signal stops output tertiary voltage signal.Electronic control device is electrically connected with control assembly, electronic control device also with
Power supply line's electrical connection is configured as receiving the tertiary voltage signal that control assembly is exported, does not cut off power supply line；And
When control assembly stops output tertiary voltage signal, power supply line is cut off.
In some embodiments, control assembly includes: second switch, 3rd resistor and the 4th resistance, second switch
The first pole be electrically connected with tertiary voltage signal end, the second pole is electrically connected with electronic control device.One end of 3rd resistor and the
One control sub-circuit electrical connection, the other end are electrically connected with the control electrode of second switch.One end of 4th resistance and second switch
The control electrode of pipe is electrically connected, and the other end is electrically connected with tertiary voltage signal end.
In some embodiments, electronic control device includes relay.
In some embodiments, the first control sub-circuit includes that first switch tube, first resistor, second resistance and first are opened
It closes.Wherein, the control electrode of first switch tube is electrically connected with one end of second resistance, and one end of the first pole and first resistor is electrically connected
It connects, the second pole is electrically connected with second voltage signal end；The other end of first resistor is electrically connected with first voltage signal end；Second electricity
The other end of resistance is electrically connected with control signal end；The first end of first switch and for powering on of display are pressed bonded
Touching, second end are electrically connected with first voltage signal end, and third end is electrically connected with the one end of second resistance being connected with control signal end
It connects.
Second control sub-circuit includes second switch, 3rd resistor, the 4th resistance and relay.Wherein, 3rd resistor
One end be electrically connected with the first pole of first switch tube, the other end is electrically connected with the control electrode of second switch；Second switch
The first pole be electrically connected with tertiary voltage signal end, the second pole is electrically connected with relay；One end of 4th resistance and second switch
The control electrode of pipe is electrically connected, and the other end is electrically connected with tertiary voltage signal end；Second pole of relay and second switch, the 4th
The electrical connection of the power supply line of voltage signal end and display.
In some embodiments, first switch tube is N-type, and second switch is p-type.Provided by first voltage signal end
First voltage signal is high level signal, and second voltage signal provided by second voltage signal end is low level signal, third
Tertiary voltage signal provided by voltage signal end is high level signal, the 4th voltage signal provided by the 4th voltage signal end
For low level signal.
The second aspect of the application provides a kind of driving method of display mode control circuit, is applied to such as first party
Display mode control circuit described in face, the driving method include:
In the case where display is in display pattern or standby mode, control signal end output has the control of the first level
Signal processed, the first control sub-circuit is under the control of the control signal with the first level, by second voltage signal end institute
The second voltage signal of offer exports to the second control sub-circuit, second and controls sub-circuit under the control of second voltage signal,
Remain up the power supply line of display；
When display meets preset condition, control signal end output has the control signal of second electrical level, the first control
Sub-circuit believes first voltage provided by first voltage signal end under the control of the control signal with second electrical level
Number output to second control sub-circuit, second control sub-circuit under the control of first voltage signal, disconnect power supply line, make
Display enters power-down mode；
Wherein, the preset condition includes: that display is continuously in standby mode in continuous setting time.
The beneficial effect and display mode control circuit that the driving method of aforementioned display device mode control circuit is realized
Beneficial effect it is identical, details are not described herein again.
In some embodiments, the driving method further include: the first control sub-circuit receive the needs assigned of user to
The instruction that display is powered exports second voltage signal to the second control son electricity under the control of first voltage signal
Road, the second control sub-circuit connect power supply line, display are made to terminate power-down mode under the control of second voltage signal.
The third aspect of the application provides a kind of display mode control system, comprising: as described in relation to the first aspect aobvious
Show device mode control circuit, and the control signal generating circuit being electrically connected with display mode control circuit, be configured as to
Display mode control circuit provides control signal.
Control signal generating circuit includes: information collection sub-circuit, counts sub-circuit and control signal output sub-circuit.Letter
Breath acquisition sub-circuit is configured as obtaining the information which kind of mode display is in real time, and when display is in standby mode
Count signal is exported, exports reset signal when display is in display pattern.Count sub-circuit and information collection son electricity
Road electrical connection is configured as receiving the count signal that the information collection sub-circuit is exported, carries out timing, and in timing time
Trigger signal is exported when reaching setting time；And the reset signal that information collection sub-circuit is exported is received, stop timing, and
The timing time recorded is reset.Control signal output sub-circuit is electrically connected with the counting sub-circuit, the control signal
Output module is also electrically connected with control signal end, is configured as not receiving the feelings for counting the trigger signal that sub-circuit is exported
Under condition, the control signal with the first level is exported；And in the case where receiving trigger signal, output has second electrical level
Control signal.
The beneficial effect of beneficial effect and display mode control circuit that aforementioned display device schema control system is realized
Identical, details are not described herein again.
The fourth aspect of the application provides a kind of display device, including display, further includes as described in the third aspect
Display mode control system.
The beneficial effect that above-mentioned display device is realized is identical as the beneficial effect of display mode control circuit, herein not
It repeats again.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, 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 application for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the first schematic diagram of display mode control circuit provided by some embodiments of the present application；
Fig. 2 is second of schematic diagram of display mode control circuit provided by some embodiments of the present application；
Fig. 3 is the of the electronic control device provided by some embodiments of the present application in display mode control circuit
A kind of schematic diagram；
Fig. 4 is the of the electronic control device provided by some embodiments of the present application in display mode control circuit
Two kinds of schematic diagrames；
Fig. 5 a is the first of the driving method of display mode control circuit provided by some embodiments of the present application
Flow chart；
Fig. 5 b is second of the driving method of display mode control circuit provided by some embodiments of the present application
Flow chart；
Fig. 6 is the third stream of the driving method of display mode control circuit provided by some embodiments of the present application
Cheng Tu；
Fig. 7 is the schematic diagram of display mode control system provided by some embodiments of the present application；
Fig. 8 is the schematic diagram of the operational process of display mode control system provided by some embodiments of the present application.
Specific embodiment
In order to make the above objects, features, and advantages of the present application more apparent, implement below in conjunction with the application
Attached drawing in example, the technical scheme in the embodiment of the application is clearly and completely described.Obviously, described embodiment
It is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, the common skill in this field
Art personnel all other embodiment obtained without creative labor belongs to the model of the application protection
It encloses.
Some embodiments of the present application provide a kind of display mode control circuit 100, as shown in Figure 1, display mould
Formula control circuit 100 includes: the first control sub-circuit 1 and the second control sub-circuit 2.
Wherein, the first control sub-circuit 1 and control signal end K1, first voltage signal end V1And second voltage signal end V2
Electrical connection, is configured to respond to control signal end K1Provided control signal k1, export first voltage signal end V1It is provided
First voltage signal v1Or second voltage end V2Provided second voltage signal v2。
Second control sub-circuit 2 is electrically connected with the first control sub-circuit 1, is also electrically connected with the power supply line D of display, quilt
It is configured to receive the first voltage signal v that the first control sub-circuit 1 is exported1, disconnect power supply line；And receive the first control
The second voltage signal v that system circuit is exported2, connect power supply line.
It should be noted that being in display pattern or standby mould in the operational process of display, that is, in display
In the case where formula, the power supply line D of display is constantly in on-state, is monitor power supply, in the power supply line D of display
After disconnection, display is under power-down mode, and display does not have plant-grid connection, power consumption zero.
In display mode control circuit 100 provided by above-described embodiment of the application, the first control sub-circuit 1 is being controlled
Signal end K processed1Provided control signal k1Control under, export first voltage signal v1Or second voltage signal v2.Second
Control sub-circuit 2 receives the second voltage signal v that the first control sub-circuit 1 is exported2, so that the power supply line D of display connects
It is logical, it is monitor power supply, display is made to be in display pattern or standby mode.Second control sub-circuit 2 receives the first control
The first voltage signal v that sub-circuit 1 is exported1, power supply line is disconnected, so that display does not have plant-grid connection, is entered
Power-down mode, thereby realizing makes display in control signal k1Control under, automatically into power-down mode, be not necessarily to artificial hand
Dynamic operation reduces energy consumption, energy saving.
In some embodiments, as shown in Fig. 2, the first control sub-circuit 1 includes: first switch tube T1With first resistor R1,
First switch tube T1Control electrode a1With control signal end K1Electrical connection, the first pole b1It is electrically connected with the second control sub-circuit 2, the
Two pole c1With second voltage signal end V2Electrical connection.First resistor R1One end and first switch tube T1The first pole b1Electrical connection,
The other end and first voltage signal end V1Electrical connection.
In above-mentioned first control sub-circuit 1, first switch tube T1In control signal end K1Provided control signal k1's
It under effect, is switched on or off, in first switch tube T1When conducting, the first pole b1Export second voltage signal v2To the second control
System circuit 2, in first switch tube T1When closing, the first pole b1Export first voltage signal v1To the second control sub-circuit 2.
In first switch tube T1In the case where conducting, first resistor R1Play the role of partial pressure, can guarantee that first opens in this way
Close pipe T1The first pole b1Second voltage signal v is exported to the second control sub-circuit 22, avoid and be not provided with first resistor R1's
In the case of, first switch tube T1When conducting, caused by first voltage signal end V1With second voltage signal end V2Directly connect.
In some embodiments, referring again to Fig. 2, the first control sub-circuit 1 further include: second resistance R2, the second electricity
Hinder R2One end and control signal end K1Electrical connection, the other end and first switch tube T1Control electrode a1Electrical connection.
In the above-described embodiments, second resistance R2Play the role of partial pressure, so that in control signal end K1The control of output
Signal k1When, second resistance R2Certain pressure drop is generated, makes to be transmitted to first switch tube T1Control electrode a1Control signal k1's
Voltage reduces, and protects first switch tube T1, prevent because of first switch tube T1Control electrode a1With the second pole c1Between voltage difference mistake
Greatly and to first switch tube T1It damages.
In some embodiments, referring again to Fig. 2, the first control sub-circuit 1 further includes first switch S, first switch S
First end s1It is electrically connected with the key A for powering on of display, second end s2With first voltage signal end V1It is electrically connected
It connects, third end s3With first switch tube T1Control electrode a1Electrical connection, be configured to respond to that user assigns needs to display
The instruction of energization makes second end s2With third end s3It connects, so that first voltage signal end V1With first switch tube T1Control electrode
a1Between form access.
It should be noted that the key A for powering on of display is arranged in outside display, similar display
Power button can be mechanical key or touch key-press.
In the above-described embodiments, the first control sub-circuit 1 further includes first switch S, is in power-down mode in display
In the case of, when user needs to be powered to display, user assigns the instruction for needing to be powered to display, illustratively, user
The key A for powering on of display is pressed, due to the first end s of first switch S1With display for connecting electricity
The key A in source is electrically connected, and allows for the second end s of first switch S in this way2With third end s3It connects, first voltage signal end V1With
First switch tube T1Control electrode a1Between form access.In first voltage signal end V1Provided first voltage signal v1's
Under effect, first switch tube T1Conducting, to export second voltage signal v2To the second control sub-circuit 2, the second control sub-circuit
2 in second voltage signal v2Control under, remain up the power supply line D of display, so that display terminates power-down mode.
In some embodiments, as shown in Fig. 2, the second control sub-circuit 2 includes: control assembly 21 and electronic control device
22.Control assembly 21 and the first control sub-circuit 1 and tertiary voltage signal end V3Electrical connection is configured as receiving the first control
The second voltage signal v that sub-circuit 1 is exported1, export tertiary voltage signal end V3Provided tertiary voltage signal v3；And it connects
Receive the first voltage signal v that the first control sub-circuit 1 is exported2, stop output tertiary voltage signal v3。
Electronic control device 22 is electrically connected with control assembly 21, is also electrically connected with power supply line D, is configured as receiving control
The tertiary voltage signal v that component 21 is exported3, do not cut off power supply line；And stop output tertiary voltage letter in control assembly 21
Number v3When, cut off power supply line.
In the above-described embodiments, the second control sub-circuit 2 includes control assembly 21 and electronic control device 22, control assembly
21 receive the second voltage signal v that the first control sub-circuit 1 is exported1, export tertiary voltage signal end V3Provided third electricity
Press signal v3, so that electronic control device 22 receives the tertiary voltage signal v that control assembly 21 is exported3, do not cut off supply lines
Road remains up power supply line, is at display under display pattern or standby mode.Control assembly 21 receives first
The first voltage signal v that control sub-circuit 1 is exported2, stop output tertiary voltage signal v3, electronic control device 22 controlling
Component 21 stops output tertiary voltage signal v3When, power supply line is cut off, disconnects power supply line, realizing enters display
Power-down mode.
In some embodiments, referring again to Fig. 2, control assembly 21 includes: second switch T2, second switch T2
The first pole b2With tertiary voltage signal end V3Electrical connection, the second pole c2It is electrically connected with electronic control device 22, control electrode a2With
One control sub-circuit 1 is electrically connected.
In the above-described embodiments, second switch T2Control electrode a2It is electrically connected with the first control sub-circuit 1, in the first control
The second voltage signal v that system circuit 1 is exported1Under the action of be connected, export tertiary voltage signal v3To electronic control device
22, in the first voltage signal v that the first control sub-circuit 1 is exported2Under the action of close, stop output tertiary voltage signal v3,
To control the work of electronic control device 22 or stop working.
As a kind of possible design, referring again to Fig. 2, control assembly 21 further include: 3rd resistor R3With the 4th electricity
Hinder R4, 3rd resistor R3One end be electrically connected with the first control sub-circuit 1, the other end and second switch T2Control electrode a2Electricity
Connection.4th resistance R4One end and second switch T2Control electrode a2Electrical connection, the other end and tertiary voltage signal end V3Electricity
Connection.
In the above-described embodiments, 3rd resistor R3With the 4th resistance R4Play the role of partial pressure, so that in the first control
Circuit 1 exports first voltage signal v1Or second voltage signal v2When, 3rd resistor R3With the 4th resistance R4Generate certain pressure
Drop protects second switch T2, prevent second switch T2Because of its control electrode a2With the first pole b2Between voltage difference it is excessive and by
Damage.
In some embodiments, as shown in Fig. 2, electronic control device 22 includes relay, illustratively, relay packet
It includes: control mechanism 221 and executing agency 222.One end of control mechanism 221 is electrically connected with control assembly 21, the other end and the 4th
Voltage signal end V4Electrical connection is configured as receiving the tertiary voltage signal v that control assembly 21 is exported3With the 4th voltage signal
Hold V4Provided 4th voltage signal v4, generate the signal that control executing agency 222 operates；Executing agency 222 and power supply line
D electrical connection, is configured to respond to signal caused by control mechanism 221, connects or disconnects power supply line D.
Illustratively, as shown in Figure 3 and Figure 4, relay is electromagnetic relay, in electromagnetic relay, induction mechanism 221
For coil 221, executing agency 222 is contact component 222, and electromagnetic relay further includes the iron core being set to inside coil 221
223, the armature 224 and spring 225 being used cooperatively with iron core 223.Contact component 222 include the first contact component 222a and
Second contact component 222b, the first contact component 222a are connected with armature 224, are also connected with spring 225, pass through armature 224
The elastic force of movement and spring 225 drives the first contact component 222a movement, the second contact component 222b and power supply line's D phase
Even.
In the case where display is in display pattern or standby mode, connect in one end m of the coil 221 of electromagnetic relay
Receive the tertiary voltage signal v that control assembly 21 is exported3, other end n receives the 4th voltage signal end V4The 4th electricity provided
Press signal v4Afterwards, certain voltage is formed at the both ends of coil 221, will pass through certain electric current in coil 221, to generate
Galvanomagnetic-effect.Armature 224 under the action of electromagnetic force, overcomes the pulling force of spring 225 to be drawn to iron core 223, while armature 224 drives
First contact component 222a and the second contact component 222b contact with each other, and keep the power supply line D of display to connect, to be aobvious
Show that device is powered.Spring 225 is in elongation state at this time.
After coil 221 powers off, that is, control assembly 21 stops output tertiary voltage signal v3, do not have in coil 221
Electric current passes through, and electromagnetic force disappears, and spring 225 is restored to nature, and armature 224 will leave under the active force of spring 225
Iron core 223 drives the first contact component 222a being connected with armature 224 to separate with the second contact component 222b, so that for
Electric line disconnects, and display does not have plant-grid connection, into power-down mode.
In this way, being switched on and off for control power supply line D is realized by electromagnetic relay, so that display is in standby mould
Flexible switching is able to carry out between formula and power-down mode.
Above-mentioned some embodiments describe the first control sub-circuit 1 and the second control in display mode control circuit 100
The possible structure of system circuit 2, the application do not limit to this.Referring again to Fig. 2, electricity is controlled to display mode below
The specific structure on road 100 is introduced.
In some embodiments, as shown in Fig. 2, display mode control circuit 100 includes the first control sub-circuit 1 and the
Two control sub-circuits 2, wherein the specific structure of the first control sub-circuit 1 and the second control sub-circuit 2 is as follows:
First control sub-circuit 1 includes first switch tube T1, first resistor R1, second resistance R2With first switch S.
First switch tube T1Control electrode a1With second resistance R2One end electrical connection, the first pole b1With first resistor R1One
End electrical connection, the second pole c1With second voltage signal end V2Electrical connection.First resistor R1One end and first switch tube T1First
Pole b1Electrical connection, the other end and first voltage signal end V1Electrical connection.Second resistance R2One end and first switch tube T1Control
Pole a1Electrical connection, the other end and control signal end K1Electrical connection.The first end s of first switch S1It is contacted with the key A of display,
Second end s2With first voltage signal end V1Electrical connection, third end s3With second resistance R2With control signal end K1The one of electrical connection
End electrical connection.
Second control sub-circuit 2 includes second switch T2, 3rd resistor R3, the 4th resistance R4With relay 22.
3rd resistor R3One end and first switch tube T1The first pole b1Electrical connection, the other end and second switch T2's
Control electrode a2Electrical connection.Second switch T2The first pole b2With tertiary voltage signal end V3Electrical connection, the second pole c2With relay
Electrical connection.4th resistance R4One end and second switch T2Control electrode a2Electrical connection, the other end and tertiary voltage signal end V3
Electrical connection.Relay 22 and second switch T2The second pole c2, the 4th voltage signal end V4And power supply line's electricity of display
Connection.
Based on the above embodiment, in some embodiments, first switch tube T1For N-type, second switch T2For p-type, first
Voltage signal end V1Provided first voltage signal v1For high level signal, second voltage signal end V2Provided second electricity
Press signal v2For low level signal, tertiary voltage signal end V3Provided tertiary voltage signal v3For high level signal, the 4th electricity
Press signal end V4Provided 4th voltage signal v4For low level signal.
As a kind of possible design, first voltage signal end V1With tertiary voltage signal end V3For same voltage signal end,
It can simplify circuit structure in this way, illustratively, voltage signal provided by the voltage signal end comes from display main board signal
Interface, for example, 5V voltage signal.Second voltage signal end V2With the 4th voltage signal end V4It is grounded.
Some embodiments of the present application additionally provide a kind of driving method of display mode control circuit, are applied to as above
The display mode control circuit 100, the driving method include:
As shown in Figure 5 a, in the case where display is in display pattern or standby mode:
S11, control signal end K1Export the control signal k with the first level1。
S12, the first control sub-circuit 1 are in the control signal k with the first level1Control under, by second voltage signal
Hold V2Provided second voltage signal v2It exports to the second control sub-circuit 2.
S13, the second control sub-circuit 2 are in second voltage signal v2Control under, remain up power supply line.
Illustratively, as shown in Fig. 2, in the case where display is in display pattern or standby mode, control signal end
K1Export the control signal k with the first level1, the first level is high level, the first switch tube in the first control sub-circuit 1
T1Conducting, by second voltage signal end V2Provided second voltage signal v2It exports to the second control sub-circuit 2.Second control
Second switch T in sub-circuit 22Conducting exports tertiary voltage signal end V3Provided tertiary voltage signal v3, relay
22 receive tertiary voltage signal v3, power supply line is not cut off, so that power supply line D is remained up.
As shown in Figure 5 b, when display meets preset condition, wherein preset condition includes: that display is continuously being set
Standby mode is continuously in fixing time.
S21, control signal end K1Export the control signal k with second electrical level1。
S22, the first control sub-circuit 1 are in the control signal k with second electrical level1Control under, by first voltage signal
Hold V1Provided first voltage signal v1It exports to the second control sub-circuit 2.
S23, the second control sub-circuit 2 are in first voltage signal v1Control under, disconnect power supply line, make display into
Enter power-down mode.
Illustratively, as shown in Fig. 2, when display meets preset condition, control signal end K1Output has the second electricity
Flat control signal k1, second electrical level is low level, the first switch tube T in the first control sub-circuit 11It closes, by first voltage
Signal end V1Provided first voltage signal v1Output is to the second control sub-circuit 2, and 2 second open in the second control sub-circuit
Close pipe T2It closes, stops output tertiary voltage signal end V3Provided tertiary voltage signal v3, relay 22 is not received by
Three voltage signal v3, cut off power supply line makes display enter power-down mode so that power supply line be made to disconnect.
In this way, passing through the driving method of aforementioned display device mode control circuit, realizes and continuously set in display
When being continuously in standby mode in the time, control signal is exported by control signal end, so that display is automatic by standby mode
It is automatically powered off after display is in continuous standby mode and reaches setting time into power-down mode, without manually
Operation, reduces energy consumption, energy saving.
In some embodiments, as shown in fig. 6, the driving method of display mode control circuit further include:
S31, the first control sub-circuit 1 receive the instruction for needing to be powered to display that user assigns.
S32, the first control sub-circuit 1 are in first voltage signal v1Control under, by second voltage signal v2It exports to second
Control sub-circuit 2.
S33, the second control sub-circuit 2 are in second voltage signal v2Control under, remain up power supply line, make to show
Device terminates power-down mode.
Illustratively, as shown in Fig. 2, user presses the key A for powering on of display, the first control son electricity
The second end s of first switch S in road 12With third end s3It connects, first voltage signal end V1With first switch tube T1Control
Pole a1Between form access, in this way in first voltage signal end V1Provided first voltage signal v1Under the action of, first switch
Pipe T1Conducting, by second voltage signal v2To the second control sub-circuit 2, second controls the second switch T in sub-circuit 2 for output2
Conducting exports tertiary voltage signal v3, relay 22 receives tertiary voltage signal v3, so that power supply line D is remained up.
Some embodiments of the present application additionally provide a kind of display mode control system 200, as shown in fig. 7, comprises:
Display mode as described above control circuit 100 and the control signal that is electrically connected with display mode control circuit
Generative circuit 101, control signal generating circuit 101 are configured as providing control signal to display mode control circuit 100.
Control signal generating circuit 101 includes: information collection sub-circuit 3, counts sub-circuit 4 and control signal output son electricity
Road 5.
Wherein, information collection sub-circuit 3, which is configured as obtaining display in real time, is in the information of which kind of mode, and is showing
Device exports count signal when being in standby mode, exports reset signal when display is in display pattern.
It counts sub-circuit 4 to be electrically connected with information collection sub-circuit 3, is configured as reception information collection sub-circuit 3 and is exported
Count signal, carry out timing, and export trigger signal when timing time reaches setting time；And receive information collection
The reset signal that circuit 3 is exported stops timing, and the timing time recorded is reset.
Control signal output sub-circuit 5 with count sub-circuit 4 be electrically connected, control signal output module 5 also with control signal
Hold K1Electrical connection is configured as in the case where not receiving the trigger signal that counting sub-circuit 4 is exported, and output has first
The control signal k of level1；And in the case where receiving trigger signal, the control signal k with second electrical level is exported2。
In aforementioned display device schema control system 200, control signal generating circuit 101 is configured as to display mode control
Circuit 100 processed provides control signal.Referring to FIG. 8, the operational process of aforementioned display device schema control system 200 are as follows:
Information collection sub-circuit 3 obtains the information which kind of mode display is in real time, is in standby mode in display
When export count signal, export reset signal when display is in display pattern.
It counts sub-circuit 4 and receives the count signal that information collection sub-circuit 3 is exported, carry out timing, and in timing time
Trigger signal is exported when reaching setting time；And the reset signal that information collection sub-circuit 3 is exported is received, stop timing, and
The timing time recorded is reset.
Signal output sub-circuit 5 is controlled in the case where receiving trigger signal, exporting, there is the control of second electrical level to believe
Number, so that the power supply line of display D is cut off, into power-down mode.
It should be noted that control signal output sub-circuit 5 is not receiving the trigger signal for counting sub-circuit 4 and being exported
In the case where, lasting output has the control signal of the first level, so that the power supply line D of display is connected, display
Under display pattern or power-down mode.When receiving trigger signal, the control signal with second electrical level is exported, so that
The power supply line of display D is cut off.
By aforementioned display device schema control system, standby mode is in display and the duration reaches setting time
Afterwards, output has the control signal of second electrical level, so that the power supply line of display is cut off, into power-down mode, thus real
Show automatically powering off for display, saves energy consumption.
Embodiments herein additionally provides a kind of display device, including display, further includes display as described above
Schema control system.
Illustratively, above-mentioned display device is tablet computer, computer, mobile phone, OLED (OrganicLight-Emitting
Diode, Organic Light Emitting Diode) panel, liquid crystal display panel, Electronic Paper, television set, laptop, Digital Frame, navigator etc.
Any product having a display function, the application do not limit to this.
In actual use, the display of display device can be as needed automatically from standby mould for above-mentioned display device
Formula enters power-down mode, is not necessarily to manual intervention, so that energy consumption is reduced, it is energy saving.
The foregoing is merely the protection scopes of the specific embodiment of the application, but the application to be not limited thereto, any
Within the technical scope of the present application, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
Cover within the scope of protection of this application.Therefore, the protection scope of the application should be with the scope of protection of the claims
It is quasi-.
Claims (12)
1. a kind of display mode control circuit characterized by comprising
First control sub-circuit, is electrically connected with control signal end, first voltage signal end and second voltage signal end, is configured
To export first voltage provided by the first voltage signal end in response to controlling signal provided by the control signal end
Second voltage signal provided by signal or the second voltage end；
With it is described first control sub-circuit be electrically connected second control sub-circuit, it is described second control sub-circuit also with display
Power supply line's electrical connection, the second control sub-circuit are configured as receiving the first electricity that the first control sub-circuit is exported
Signal is pressed, the power supply line is disconnected；And the second voltage signal that the first control sub-circuit is exported is received, make institute
State power supply line's connection.
2. display mode control circuit according to claim 1, which is characterized in that the first control sub-circuit packet
It includes:
First switch tube, the control electrode of the first switch tube are electrically connected with the control signal end, the first pole and described second
Sub-circuit electrical connection is controlled, the second pole is electrically connected with the second voltage signal end；
First resistor, one end of the first resistor are electrically connected with the first pole of the first switch tube, the other end and described the
The electrical connection of one voltage signal end；
Second resistance, one end of the second resistance are electrically connected with the control signal end, the other end and the first switch tube
Control electrode electrical connection.
3. display mode control circuit according to claim 2, which is characterized in that the first control sub-circuit also wraps
It includes:
First switch, the first end of the first switch are electrically connected with the key for powering on of display, second end with
The first voltage signal end electrical connection, third end is electrically connected with the control electrode of the first switch tube, is configured to respond to
What user assigned needs to terminate the second end and the third logical to the instruction of display energization, so that first electricity
Access is formed between pressure signal end and the control electrode of the first switch tube.
4. display mode control circuit according to claim 1, which is characterized in that the second control sub-circuit packet
It includes:
Control assembly is electrically connected with the first control sub-circuit and tertiary voltage signal end, is configured as receiving described first
The second voltage signal that control sub-circuit is exported, exports tertiary voltage signal provided by the tertiary voltage signal end；And
The first voltage signal that the first control sub-circuit is exported is received, stops exporting the tertiary voltage signal；
The electronic control device being electrically connected with the control assembly, the electronic control device are also electrically connected with the power supply line
It connects, is configured as receiving the tertiary voltage signal that the control assembly is exported, does not cut off the power supply line；And described
When control assembly stops exporting the tertiary voltage signal, the power supply line is cut off.
5. display mode control circuit according to claim 4, which is characterized in that the control assembly includes:
Second switch, the first pole of the second switch are electrically connected with the tertiary voltage signal end, the second pole with it is described
Electronic control device electrical connection；
3rd resistor, one end of the 3rd resistor are electrically connected with the first control sub-circuit, and the other end is opened with described second
Close the control electrode electrical connection of pipe；
One end of 4th resistance, the 4th resistance is electrically connected with the control electrode of the second switch, the other end and described the
The electrical connection of three voltage signal ends.
6. display mode control circuit according to claim 4, which is characterized in that the electronic control device include after
Electric appliance.
7. display mode control circuit according to claim 1, which is characterized in that
The first control sub-circuit includes first switch tube, first resistor, second resistance and first switch；
The control electrode of the first switch tube is electrically connected with one end of the second resistance, the first pole and the one of the first resistor
End electrical connection, the second pole is electrically connected with the second voltage signal end；
The other end of the first resistor is electrically connected with the first voltage signal end；
The other end of the second resistance is electrically connected with the control signal end；
The first end of the first switch and for powering on of display press key contacts, second end and the first voltage
Signal end electrical connection, third end are electrically connected with the one end of the second resistance being connected with control signal end；
The second control sub-circuit includes second switch, 3rd resistor, the 4th resistance and relay；
One end of the 3rd resistor is electrically connected with the first pole of the first switch tube, the other end and the second switch
Control electrode electrical connection；
First pole of the second switch is electrically connected with the tertiary voltage signal end, and the second pole is electrically connected with the relay
It connects；
One end of 4th resistance is electrically connected with the control electrode of the second switch, the other end and the tertiary voltage signal
End electrical connection；
The relay is electrically connected with the second pole of the second switch, the 4th voltage signal end and the power supply line.
8. display mode control circuit according to claim 7, which is characterized in that the first switch tube is N-type, the
Two switching tubes are p-type；
First voltage signal provided by the first voltage signal end is high level signal, and the second voltage signal end is mentioned
The second voltage signal of confession is low level signal, and tertiary voltage signal provided by the tertiary voltage signal end is high level letter
Number, the 4th voltage signal provided by the 4th voltage signal end is low level signal.
9. a kind of driving method of display mode control circuit, which is characterized in that be applied to as any in claim 1~8
Display mode control circuit described in, the driving method include:
In the case where display is in display pattern or standby mode, there is the control of the first level to believe for control signal end output
Number, the first control sub-circuit is provided second voltage signal end under the control of the control signal with the first level
Second voltage signal export to second control sub-circuit, it is described second control sub-circuit the second voltage signal control
Under, connect the power supply line of display；
When display meets preset condition, the control signal of the control signal end output with second electrical level, described first
Sub-circuit is controlled under the control of the control signal with second electrical level, by the first electricity provided by first voltage signal end
Pressure signal exports to the second control sub-circuit, described second and controls sub-circuit under the control of the first voltage signal,
The power supply line is disconnected, display is made to enter power-down mode；
Wherein, the preset condition includes: that display is continuously in standby mode in continuous setting time.
10. the driving method of display mode control circuit according to claim 9, which is characterized in that the driving side
Method further include:
The first control sub-circuit receives the instruction for needing to be powered to display that user assigns, in the first voltage signal
Control under, by the second voltage signal export to it is described second control sub-circuit, it is described second control sub-circuit described
Under the control of second voltage signal, the power supply line is connected, display is made to terminate the power-down mode.
11. a kind of display mode control system characterized by comprising
Such as display mode control circuit according to any one of claims 1 to 8；
The control signal generating circuit being electrically connected with the display mode control circuit is configured as to the display mode
Control circuit provides control signal；
The control signal generating circuit includes:
Information collection sub-circuit is configured as obtaining display in real time and be in the information of which kind of mode, and display in
Count signal is exported when machine mode, exports reset signal when display is in display pattern；
It is defeated to be configured as receiving the information collection sub-circuit institute for the counting sub-circuit being electrically connected with the information collection sub-circuit
Count signal out carries out timing, and exports trigger signal when timing time reaches setting time；And receive information collection
The reset signal that sub-circuit is exported stops timing, and the timing time recorded is reset；
The control signal being electrically connected with the counting sub-circuit exports sub-circuit, and the control signal output module is also believed with control
Number end electrical connection, be configured as do not receive it is described counting sub-circuit exported trigger signal in the case where, output has
The control signal of first level；And in the case where receiving the trigger signal, exporting, there is the control of second electrical level to believe
Number.
12. a kind of display device, including display, which is characterized in that further include display mode as claimed in claim 11
Control system.
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| CN201910604630.2A CN110299122A (en) | 2019-07-05 | 2019-07-05 | Display mode control circuit and its driving method, display mode control system |
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| CN201910604630.2A CN110299122A (en) | 2019-07-05 | 2019-07-05 | Display mode control circuit and its driving method, display mode control system |
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Application publication date: 20191001 |