CN109754755A - A kind of method of supplying power to of display panel, device and display equipment - Google Patents
A kind of method of supplying power to of display panel, device and display equipment Download PDFInfo
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- CN109754755A CN109754755A CN201711085409.8A CN201711085409A CN109754755A CN 109754755 A CN109754755 A CN 109754755A CN 201711085409 A CN201711085409 A CN 201711085409A CN 109754755 A CN109754755 A CN 109754755A
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- display panel
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- power supply
- supply unit
- current
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Abstract
The embodiment of the present invention provides the method for supplying power to, device and display equipment of a kind of display panel, determines whether display panel is non-standby mode；When display panel is in non-standby mode, the display electric current of display panel is obtained.According to the display electric current of display panel and the power supply capacity of the current power supply unit of display panel, it is determined whether switch the power supply unit of display panel, the power supply unit of display panel includes the driving circuit in independent current source and the display panel outside display panel.Since the transfer efficiency of independent current source is reduced with the reduction of display electric current, therefore when display panel needs lesser display electric current, high conversion efficiency of the transfer efficiency of driving circuit than independent current source, pass through the display electric current of real-time monitoring display panel in the embodiment of the present invention, when the driving circuit of display panel can satisfy the power demands of display panel, use driving circuit for display panel power supply, to reduce the total power consumption of display panel.
Description
Technical field
The present embodiments relate to field of screen display more particularly to a kind of method of supplying power to of display panel, device and show
Show equipment.
Background technique
Active matrix organic light-emitting diode (Active-matrix organic light emitting diode, letter
Claiming AMOLED) display panel is a kind of mainly by under electric field driven, passing through carrier using organic semiconductor and luminescent material
The panel that injection and compound and luminous material are constituted.Compared with traditional LC D, AMOLED display panel have fast response time,
The advantages of wide colour gamut, high contrast, self-luminous and more low-power consumption.
Continuous popular with application, the requirement that user shows product is also higher and higher, for current AMOLED
For product, on the basis of guaranteeing good display effect, the height of power consumption becomes the main aspect of product core competitiveness.Mesh
Before, under non-standby mode, for the display effect reached, AMOLED panel is defeated by external independent power supply unit chip
Voltage is powered out, and power consumption data is relatively high.
Summary of the invention
The embodiment of the present invention provides the method for supplying power to, device and display equipment of a kind of display panel, for solving existing skill
Display panel is only powered the problem for causing power consumption relatively high by external independent current source in art.
The embodiment of the invention provides a kind of method of supplying power to of display panel, comprising:
Determine whether display panel is non-standby mode；
When the display panel is in non-standby mode, the display electric current of the display panel is obtained；
According to the display electric current of the display panel and the power supply capacity of the current power supply unit of the display panel, determination is
The power supply unit of the no switching display panel, the power supply unit of the display panel includes the independent electrical outside the display panel
Driving circuit in source and the display panel.
Optionally, the power supply for showing electric current and the current power supply unit of the display panel according to the display panel
Ability, it is determined whether switch the power supply unit of the display panel, comprising:
Judge whether the display electric current of the display panel is greater than predetermined current, the predetermined current is according to the display
Effective current that the driving circuit of panel can be provided determines；
If more than the predetermined current and the current power supply unit is the driving circuit, it is determined that switches the display
The power supply unit of panel；
If no more than the predetermined current and the current power supply unit is the independent current source, it is determined that switching is described aobvious
Show the power supply unit of panel.
Optionally, the display electric current for obtaining the display panel, comprising:
Acquire the electric current that the display panel shows present frame picture；
The display panel is shown that the electric current of present frame picture is determined as the display electric current of the display panel.
Optionally, the display electric current for obtaining the display panel, comprising:
Before the display panel shows present frame picture, obtain before the display panel shows present frame picture
The electric current of N frame picture, wherein N > 0；
The electric current of N frame picture before showing present frame picture according to the display panel determines the aobvious of the display panel
Show electric current.
Optionally, further includes:
When determining that the display equipment is in standby mode, the driving circuit is determined as to the confession of the display panel
Electric equipment.
Correspondingly, the embodiment of the invention provides a kind of power supply units of display panel, comprising:
Module is obtained, for determining whether display panel is non-standby mode；Non-standby mould is in the display panel
When formula, the display electric current of the display panel is obtained；
Processing module, for according to the display electric current of the display panel and the confession of the current power supply unit of the display panel
Electric energy power, it is determined whether switch the power supply unit of the display panel, the power supply unit of the display panel includes the display
The driving circuit in independent current source and the display panel outside panel.
Optionally, the processing module is specifically used for:
Judge whether the display electric current of the display panel is greater than predetermined current, the predetermined current is according to the display
Effective current that the driving circuit of panel can be provided determines；
If more than the predetermined current and the current power supply unit is the driving circuit, it is determined that switches the display
The power supply unit of panel；
If no more than the predetermined current and the current power supply unit is the independent current source, it is determined that switching is described aobvious
Show the power supply unit of panel.
Optionally, the acquisition module is specifically used for:
Acquire the electric current that the display panel shows present frame picture；
The display panel is shown that the electric current of present frame picture is determined as the display electric current of the display panel.
Optionally, the acquisition module is specifically used for:
Before the display panel shows present frame picture, obtain before the display panel shows present frame picture
The electric current of N frame picture, wherein N > 0；
The electric current of N frame picture before showing present frame picture according to the display panel determines the aobvious of the display panel
Show electric current.
Optionally, the processing module is also used to:
When determining that the display equipment is in standby mode, the driving circuit is determined as to the confession of the display panel
Electric equipment.
The embodiment of the invention provides a kind of display equipment, including independent current source, power supply unit selecting module, current acquisition
The driving circuit of module, display panel and the display panel；
The independent current source, for being electrically connected by the power supply unit selecting module and the feeder ear of the display panel
It connects；
The driving circuit, for being electrically connected by the power supply unit selecting module and the feeder ear of the display panel
It connects；
The current acquisition module, one end are electrically connected with the feeder ear of the display panel, and the other end is set with the power supply
The electrical connection of alternative module selects mould for the display electric current of the display panel of acquisition to be sent to the power supply unit
Block；
The power supply unit selecting module, the display of the display panel for being acquired according to the current acquisition module
The independent current source is connected electric current with the display panel, or, the driving circuit is connected with the display panel.
The embodiment of the invention provides a kind of calculating equipment, comprising:
Memory, for storing program instruction；
Processor executes any of the above-described for calling the program instruction stored in the memory according to the program of acquisition
Method described in.
The embodiment of the invention provides a kind of computer storage medium, the computer-readable recording medium storage has calculating
Machine executable instruction, the computer executable instructions are for making computer execute method described in any of the above embodiments.
The embodiment of the present invention shows to determine whether display panel is non-standby mode；The display panel be in it is non-to
When machine mode, the display electric current of the display panel is obtained.According to the display electric current and the display panel of the display panel
The power supply capacity of current power supply unit, it is determined whether switch the power supply unit of the display panel, the power supply of the display panel
Equipment includes the driving circuit in independent current source and the display panel outside the display panel.Due to the conversion of independent current source
Efficiency is reduced with the reduction of display electric current, therefore when display panel needs lesser display electric current, the conversion of driving circuit
Efficiency passes through the display electric current of real-time monitoring display panel in the embodiment of the present invention than the high conversion efficiency of independent current source, when aobvious
When showing that the driving circuit of panel can satisfy the power demands of display panel, use driving circuit for display panel power supply, thus
Reduce the total power consumption of display panel.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without any creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is a kind of structural schematic diagram for showing equipment provided in an embodiment of the present invention；
Fig. 2 is a kind of flow diagram of the method for supplying power to of display panel provided in an embodiment of the present invention；
Fig. 3 is a kind of flow diagram of method for switching display panel power supply unit provided in an embodiment of the present invention；
Fig. 4 is a kind of independent current source power supply provided in an embodiment of the present invention and the power consumption comparison signal of drive circuitry
Figure；
Fig. 5 is a kind of schematic diagram of power consumption rate of descent provided in an embodiment of the present invention；
Fig. 6 is the flow diagram of the method for supplying power to of another display panel provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of the power supply unit of display panel provided in an embodiment of the present invention.
Specific embodiment
In order to which the purpose of the present invention, technical solution and beneficial effect is more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain this hair
It is bright, it is not intended to limit the present invention.
The embodiment of the invention provides a kind of display equipment, as shown in Figure 1, including independent current source 101, power supply unit selection
Module 102, current acquisition module 103, display panel 104 and display panel driving circuit 105.Independent current source 101 is for leading to
Power supply unit selecting module 102 is crossed to be electrically connected with the feeder ear of display panel 104.Driving circuit 105 is for passing through power supply unit
Selecting module 102 is electrically connected with the feeder ear of display panel 104.The power supply of current acquisition module 103 one end and display panel 104
End electrical connection, the other end are electrically connected with power supply unit selecting module 102, the display electric current of the display panel 104 for that will acquire
It is sent to power supply unit selecting module 102.Power supply unit selecting module 102 is used to be acquired according to current acquisition module 103 aobvious
The display electric current for showing panel 104, independent current source 101 and display panel 104 are connected, or, by driving circuit 105 and display panel
104 conductings.
Based on display equipment shown in FIG. 1, the embodiment of the invention provides a kind of method of supplying power to of display panel, such as Fig. 2
It is shown, comprising the following steps:
Step S201 determines whether display panel is non-standby mode；
Step S202 obtains the display electric current of display panel when display panel is in non-standby mode.
Step S203 is determined according to the display electric current of display panel and the power supply capacity of the current power supply unit of display panel
Whether the power supply unit of the display panel is switched.
Driving circuit is determined as the power supply of display panel when determining that display equipment is in standby mode by step S204
Equipment.
Specifically, in step s 201, non-standby mode is also referred to as high power consumption mode, and in such a mode, user is to display
Equipment is operated and screen is made to be constantly in active state, and power consumption of screen data are higher.Standby mode is also referred to as low-power consumption mode,
In such a mode, user does not operate equipment for a long time and screen is made to be in a kind of idle state.In this mode, it shows
Show that panel can be there are two types of state, when a kind of state, does not show any picture, and power consumption of screen data are lower, but user experience is very poor,
Another state is constantly to refresh the lower picture of brightness with lower screen refresh frequency.
In step S202 and step S203, the power supply unit of display panel includes independent current source outside display panel and aobvious
Show the driving circuit in panel.In specific implementation, the power supply unit for switching display panel, packet can be determined whether according to following methods
Following steps are included, as shown in Figure 3:
Step S301, judges whether the display electric current of display panel is greater than predetermined current, and predetermined current is according to display surface
Effective current that the driving circuit of plate can be provided determines.
Step S302, if more than predetermined current and current power supply unit is driving circuit, it is determined that switches display panel
Power supply unit.
Step S303, if being not more than predetermined current and current power supply unit for independent current source, it is determined that switching display panel
Power supply unit.
Specifically, the driving circuit that predetermined current can be display panel can be provided maximum effective current, can also be small
In the maximum effective current that the driving circuit of display panel can be provided.The specific value of predetermined current is true according to the actual situation
It is fixed.Optionally, if it is independent current source that the display electric current of display panel, which is greater than predetermined current and current power supply unit, do not switch aobvious
Show the power supply unit of panel.If the display electric current of display panel is no more than predetermined current and current power supply unit is driving circuit,
The power supply unit of display panel is not switched then.
In step S204, when determining that display equipment is in standby mode, always driving circuit can be determined as showing
The power supply unit of panel.Also the display electric current of display panel can be monitored in real time, preset if the display electric current of display panel is greater than
Electric current and current power supply unit are driving circuit, then switch the power supply unit of display panel；If no more than predetermined current and currently
Power supply unit is independent current source, then switches the power supply unit of display panel.Display equipment is in the specific power supply under standby mode
Mode can be determines according to actual conditions.
Since when the display electric current of display panel is not more than predetermined current, the driving circuit of display panel can provide display
Display electric current needed for panel, and the transfer efficiency of driving circuit is higher than the transfer efficiency of independent current source at this time, therefore in display surface
When the display electric current of plate is not more than predetermined current, the power consumption that display panel can be effectively reduced is powered using driving circuit.
Optionally, when display panel is in non-standby mode, at least display panel can be obtained by following two method
Display electric current.
Method one, acquisition display panel show the electric current of present frame picture, and display panel is shown to the electricity of present frame picture
Stream is determined as the display electric current of display panel.Display panel shows electric current real-time change, passes through prison when showing present frame picture
It surveys display panel and shows that the real-time current of present frame picture determines the display electric current of display panel.
Method two, the N before display panel shows present frame picture, before acquisition display panel display present frame picture
The electric current of frame picture, wherein N > 0, the electric current of the N frame picture before then showing present frame picture according to display panel determine aobvious
Show the display electric current of panel.For example, the electric current that display panel shows the former frame picture of present frame picture can be obtained, then calculate
Display panel shows display electric current of the average current of the former frame picture of present frame picture as display panel.Also available
Display panel shows the electric current of first five frame picture of present frame picture, then calculates display panel display present frame picture first five
Display electric current of the average current of frame picture as display panel.
Due to showing that the real-time current of every frame picture is used as display electric current by acquiring display panel in real time, thus it is every in display
Also it is able to achieve the switching of power supply unit during frame picture, improves the precision of power supply unit switching.By current in display
Before frame picture, the display current forecasting of N frame picture shows display electricity required for present frame picture before statistics present frame is drawn
Stream shows the power supply unit of current switching display panel, so as to effectively drop required for then changing face according to display present frame
The power consumption of low display panel.
Further, the specific value of predetermined current can be determined according to experiment, for example, being shown with certain 1.9 cun AMOLED
Screen is tested, complete white picture, 100% display area, and the refreshing frequency of display panel is fixed 60Hz, by adjusting 51 deposits
Brightness is adjusted in device, under identical external condition, using the power supply mode of driving circuit and the power supply mode of independent current source
Corresponding power consumption is as shown in Figure 4.As shown in Figure 4, when the grayscale of display panel is less than 180, using driving circuit to display surface
The power consumption that plate is powered is less than the power consumption of independent current source power supply.When the grayscale of display panel is greater than 180, using driving circuit
Occur abnormal mutation power consumption when being powered, illustrates that driving circuit at this time is no longer satisfied the power demands of display panel.
In conclusion the maximum effective current that driving circuit can be provided is display panel when being 180 grayscale corresponding display electric current, therefore
When predetermined current is arranged, corresponding display electric current when can to take display panel be 180 grayscale can also be taken less than 180 grayscale
When corresponding display electric current, such as the corresponding display electric current of 150 grayscale, the corresponding display electric current of 120 grayscale etc..Further,
When the grayscale of display panel is less than 180, the embodiment of the present invention is to the power consumption being powered using driving circuit and using independent
The power consumption that power supply is powered is analyzed and has been compared, detailed process are as follows: calculates power consumption decline by following formula (1) first
Rate；
WhereinFor power consumption rate of descent, P is the power consumption of display panel when being powered using independent current source, and D uses driving circuit
The power consumption of display panel when power supply.
Then the corresponding relationship being fitted between the grayscale and power consumption rate of descent of display panel, it is specific as shown in Figure 5.By Fig. 5
It is found that, compared in such a way that independent current source is powered, display panel uses when the grayscale of display panel is less than 180
Power consumption rate of descent is above 10% when driving circuit is powered, and when the grayscale of display panel is 120, power consumption rate of descent
Reach 34.51%.It can be seen that when the display electric current of display panel is not more than predetermined current, compared to using independent current source
The mode being powered, power consumption can be effectively reduced by being powered using driving circuit.
Embodiment in order to preferably explain the present invention describes the embodiment of the present invention below with reference to specific implement scene and provides
A kind of display panel method of supplying power to, as shown in Figure 6.
Step S601, detects the operating mode of display panel, the operating mode of display panel include standby mode and it is non-to
Machine mode.
Step S602 determines whether display panel is non-standby mode, no to then follow the steps if so then execute step S603
S611。
Step S603 obtains the display electric current of display panel.
Step S604, judges whether the display electric current of display panel is greater than predetermined current, no if so then execute step S605
Then follow the steps S608.
Step S605 judges whether current power supply unit is driving circuit, if so then execute step S606, otherwise executes step
Rapid S607.
The power supply unit of display panel is switched to independent current source by step S606.
Step S607 does not switch the power supply unit of display panel.
Step S608 judges whether current power supply unit is independent current source, if so then execute step S609, otherwise executes step
Rapid S610.
The power supply unit of display panel is switched to driving chip by step S609.
Step S610 does not switch the power supply unit of display panel.
Driving circuit is determined as the power supply unit of display panel by step S611.
The embodiment of the present invention shows to determine whether display panel is non-standby mode；The display panel be in it is non-to
When machine mode, the display electric current of the display panel is obtained.According to the display electric current and the display panel of the display panel
The power supply capacity of current power supply unit, it is determined whether switch the power supply unit of the display panel, the power supply of the display panel
Equipment includes the driving circuit in independent current source and the display panel outside the display panel.Due to the conversion of independent current source
Efficiency is reduced with the reduction of display electric current, therefore when display panel needs lesser display electric current, the conversion of driving circuit
Efficiency passes through the display electric current of real-time monitoring display panel in the embodiment of the present invention than the high conversion efficiency of independent current source, when aobvious
When showing that the driving circuit of panel can satisfy the power demands of display panel, use driving circuit for display panel power supply, thus
Reduce the total power consumption of display panel.Simultaneously for wearable product, reducing power consumption in fixed battery capacity can effectively prolong
Long stand-by time, in same standby time, battery capacity can be reduced by reducing power consumption, and the volume and thickness of wearable product is thinned
Degree, and can avoid the product fever unacceptable experience of bring.
Based on same idea, Fig. 7 illustratively show a kind of display panel provided in an embodiment of the present invention for Denso
The structure set, the device can execute the process of the method for supplying power to of display panel.
As shown in fig. 7, the device includes:
Module 701 is obtained, for determining whether display panel is non-standby mode；It is in non-standby in the display panel
When mode, the display electric current of the display panel is obtained；
Processing module 702, for the display electric current and the current power supply unit of the display panel according to the display panel
Power supply capacity, it is determined whether switch the power supply unit of the display panel, the power supply unit of the display panel includes described
The driving circuit in independent current source and the display panel outside display panel.
Optionally, the processing module 702 is specifically used for:
Judge whether the display electric current of the display panel is greater than predetermined current, the predetermined current is according to the display
Effective current that the driving circuit of panel can be provided determines；
If more than the predetermined current and the current power supply unit is the driving circuit, it is determined that switches the display
The power supply unit of panel；
If no more than the predetermined current and the current power supply unit is the independent current source, it is determined that switching is described aobvious
Show the power supply unit of panel.
Optionally, the acquisition module 702 is specifically used for:
Acquire the electric current that the display panel shows present frame picture；
The display panel is shown that the electric current of present frame picture is determined as the display electric current of the display panel.
Optionally, the acquisition module 702 is specifically used for:
Before the display panel shows present frame picture, obtain before the display panel shows present frame picture
The electric current of N frame picture, wherein N > 0；
The electric current of N frame picture before showing present frame picture according to the display panel determines the aobvious of the display panel
Show electric current.
Optionally, the processing module 702 is also used to:
When determining that the display equipment is in standby mode, the driving circuit is determined as to the confession of the display panel
Electric equipment.
The embodiment of the invention provides a kind of calculating equipment, which is specifically as follows desktop computer, portable
Computer, smart phone, tablet computer, personal digital assistant (Personal Digital Assistant, PDA) etc..The meter
Calculating equipment may include central processing unit (Center Processing Unit, CPU), memory, input-output apparatus etc.,
Input equipment may include keyboard, mouse, touch screen etc., and output equipment may include display equipment, such as liquid crystal display
(Liquid Crystal Display, LCD), cathode-ray tube (Cathode Ray Tube, CRT) etc..
Memory may include read-only memory (ROM) and random access memory (RAM), and deposit to processor offer
The program instruction and data stored in reservoir.In embodiments of the present invention, memory can be used for storing the power supply of display panel
The program instruction of method；
Processor executes display panel according to the program of acquisition for calling the program instruction stored in the memory
Method of supplying power to.
The embodiment of the invention provides a kind of computer storage medium, the computer-readable recording medium storage has calculating
Machine executable instruction, the method for supplying power to that the computer executable instructions are used to that the computer to be made to execute display panel.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method or computer program product.
Therefore, complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the present invention
Form.It is deposited moreover, the present invention can be used to can be used in the computer that one or more wherein includes computer usable program code
The shape for the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (13)
1. a kind of method of supplying power to of display panel characterized by comprising
Determine whether display panel is non-standby mode；
When the display panel is in non-standby mode, the display electric current of the display panel is obtained；
According to the display electric current of the display panel and the power supply capacity of the current power supply unit of the display panel, it is determined whether cut
Change the power supply unit of the display panel, the power supply unit of the display panel include independent current source outside the display panel and
Driving circuit in the display panel.
2. the method as described in claim 1, which is characterized in that the display electric current according to the display panel and described aobvious
Show the power supply capacity of the current power supply unit of panel, it is determined whether switch the power supply unit of the display panel, comprising:
Judge whether the display electric current of the display panel is greater than predetermined current, the predetermined current is according to the display panel
The driving circuit effective current that can be provided determine；
If more than the predetermined current and the current power supply unit is the driving circuit, it is determined that switches the display panel
Power supply unit；
If no more than the predetermined current and the current power supply unit is the independent current source, it is determined that switch the display surface
The power supply unit of plate.
3. the method as described in claim 1, which is characterized in that the display electric current for obtaining the display panel, comprising:
Acquire the electric current that the display panel shows present frame picture；
The display panel is shown that the electric current of present frame picture is determined as the display electric current of the display panel.
4. the method as described in claim 1, which is characterized in that the display electric current for obtaining the display panel, comprising:
Before the display panel shows present frame picture, the N frame before the display panel display present frame picture is obtained
The electric current of picture, wherein N > 0；
The electric current of N frame picture before showing present frame picture according to the display panel determines the display electricity of the display panel
Stream.
5. the method as described in claim 1, which is characterized in that further include:
When determining that the display equipment is in standby mode, the power supply that the driving circuit is determined as the display panel is set
It is standby.
6. a kind of power supply unit of display panel characterized by comprising
Module is obtained, for determining whether display panel is non-standby mode；When the display panel is in non-standby mode,
Obtain the display electric current of the display panel；
Processing module, for according to the display panel display electric current and the current power supply unit of the display panel for electric energy
Power, it is determined whether switch the power supply unit of the display panel, the power supply unit of the display panel includes the display panel
Driving circuit in outer independent current source and the display panel.
7. device as claimed in claim 6, which is characterized in that the processing module is specifically used for:
Judge whether the display electric current of the display panel is greater than predetermined current, the predetermined current is according to the display panel
The driving circuit effective current that can be provided determine；
If more than the predetermined current and the current power supply unit is the driving circuit, it is determined that switches the display panel
Power supply unit；
If no more than the predetermined current and the current power supply unit is the independent current source, it is determined that switch the display surface
The power supply unit of plate.
8. device as claimed in claim 6, which is characterized in that the acquisition module is specifically used for:
Acquire the electric current that the display panel shows present frame picture；
The display panel is shown that the electric current of present frame picture is determined as the display electric current of the display panel.
9. device as claimed in claim 6, which is characterized in that the acquisition module is specifically used for:
Before the display panel shows present frame picture, the N frame before the display panel display present frame picture is obtained
The electric current of picture, wherein N > 0；
The electric current of N frame picture before showing present frame picture according to the display panel determines the display electricity of the display panel
Stream.
10. device as claimed in claim 6, which is characterized in that the processing module is also used to:
When determining that the display equipment is in standby mode, the power supply that the driving circuit is determined as the display panel is set
It is standby.
11. a kind of display equipment, which is characterized in that including independent current source, power supply unit selecting module, current acquisition module, show
Show the driving circuit of panel and the display panel；
The independent current source, for being electrically connected by the power supply unit selecting module with the feeder ear of the display panel；
The driving circuit, for being electrically connected by the power supply unit selecting module with the feeder ear of the display panel；
The current acquisition module, one end are electrically connected with the feeder ear of the display panel, and the other end and the power supply unit select
Module electrical connection is selected, for the display electric current of the display panel of acquisition to be sent to the power supply unit selecting module；
The power supply unit selecting module, the display electricity of the display panel for being acquired according to the current acquisition module
Stream, the independent current source is connected with the display panel, or, the driving circuit is connected with the display panel.
12. a kind of calculating equipment characterized by comprising
Memory, for storing program instruction；
Processor, for calling the program instruction stored in the memory, according to acquisition program execute as claim 1 to
5 described in any item methods.
13. a kind of computer storage medium, which is characterized in that the computer-readable recording medium storage has computer executable
Instruction, the computer executable instructions are for making computer execute such as method described in any one of claim 1 to 5.
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