CN110459168A - Driving method, driving circuit, display screen component and electronic equipment - Google Patents

Driving method, driving circuit, display screen component and electronic equipment Download PDF

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Publication number
CN110459168A
CN110459168A CN201910772239.3A CN201910772239A CN110459168A CN 110459168 A CN110459168 A CN 110459168A CN 201910772239 A CN201910772239 A CN 201910772239A CN 110459168 A CN110459168 A CN 110459168A
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CN
China
Prior art keywords
display
duty ratio
brightness
subregion
driving circuit
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Granted
Application number
CN201910772239.3A
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Chinese (zh)
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CN110459168B (en
Inventor
贾玉虎
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN201910772239.3A priority Critical patent/CN110459168B/en
Publication of CN110459168A publication Critical patent/CN110459168A/en
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0257—Reduction of after-image effects

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

The embodiment of the present application discloses a kind of driving method, driving circuit, display screen component and electronic equipment, is related to electronic technology field.First control signal is exported to the first driving circuit, first control signal is for controlling the first driving circuit driving the first display multi-section display predetermined luminance；Second control signal is exported to the second driving circuit, second control signal is for controlling the second driving circuit driving the second display multi-section display predetermined luminance；First control signal has the first duty ratio, and second control signal has the second duty ratio, and the first duty ratio is different from the second duty ratio.By adjusting the first duty ratio of first control signal, it can control the first display multi-section display predetermined luminance, it can also be by adjusting the second duty ratio of second control signal, control the second display subregion also shows predetermined luminance, so that the display brightness of the first display subregion of display panel and the second display subregion is identical, long-term ghost is eliminated, the display effect of display panel is improved.

Description

Driving method, driving circuit, display screen component and electronic equipment
Technical field
This application involves electronic technology field more particularly to a kind of driving method, driving circuit, display screen component and electricity Sub- equipment.
Background technique
With the development increasingly of electronic technology, people are also higher and higher for the use demand of electronic equipment, and display screen is made For the pith that user interacts with electronic equipment, therefore display screen becomes the emphasis of electronic technology field personnel research.
In the related art, display screen may include light emitting device and the driving circuit for driving light emitting device, pass through drive Dynamic circuit drives light emitting device shines, and realizes lighting for display screen.
Summary of the invention
The application provides a kind of driving method, driving circuit, display screen component and electronic equipment, can solve related skill The technical issues of display brightness of the different zones of display screen is inconsistent in art, leads to long-term ghost occur, reduces display effect.
In a first aspect, the embodiment of the present application provides a kind of driving method, it is applied to display screen component, the display screen component Including display panel and driving circuit, the display panel includes the first display subregion and the second display subregion, the driving electricity Road includes the first driving circuit and the second driving circuit, which comprises
First control signal is exported to first driving circuit, the first control signal is driven for controlling described first First display multi-section display predetermined luminance described in dynamic circuit drives；
Second control signal is exported to second driving circuit, the second control signal is driven for controlling described second Predetermined luminance described in second display multi-section display described in dynamic circuit drives；
Wherein, the first control signal has the first duty ratio, and the second control signal has the second duty ratio, institute The first duty ratio is stated different from second duty ratio.
Second aspect, the embodiment of the present application provide a kind of driving circuit, are applied to display screen component, the display screen component Including display panel, the display panel includes the first display subregion and the second display subregion, and the driving circuit includes:
Control circuit of duty ratio, the first driving circuit and the second driving circuit；
The control circuit of duty ratio is used to export first control signal, first control to first driving circuit Signal is for controlling the first driving circuit driving the first display multi-section display predetermined luminance；And/or
The control circuit of duty ratio is used to export second control signal, second control to second driving circuit Signal is for controlling predetermined luminance described in the second driving circuit driving the second display multi-section display；
Wherein, the first control signal has the first duty ratio, and the second control signal has the second duty ratio, institute The first duty ratio is stated different from second duty ratio.
The third aspect, the embodiment of the present application provide a kind of display screen component, and the display screen component includes:
Display panel, including the first display subregion and the second display subregion；And such as above-mentioned driving circuit.
Fourth aspect, the embodiment of the present application provides a kind of electronic equipment, including such as above-mentioned display screen component.
The technical solution bring beneficial effect that some embodiments of the application provide includes at least:
In the embodiment of the present application, first control signal is exported to the first driving circuit, first control signal is for controlling the One drive circuit driving the first display multi-section display predetermined luminance；Second control signal, the second control are exported to the second driving circuit Signal processed is for controlling the second driving circuit driving the second display multi-section display predetermined luminance；Wherein, first control signal has First duty ratio, second control signal have the second duty ratio, and the first duty ratio is different from the second duty ratio.By adjusting first The first duty ratio for controlling signal, can control the first display multi-section display predetermined luminance, can also be by adjusting the second control Second duty ratio of signal, control second display subregion also show predetermined luminance so that display panel first display subregion and The display brightness of second display subregion is identical, eliminates long-term ghost, improves the display effect of display panel.
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 skilled in the art without creative efforts, can also basis These attached drawings obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of display panel provided by the embodiments of the present application；
Fig. 2 is a kind of flow diagram of driving method provided by the embodiments of the present application；
Fig. 3 shows a kind of exemplary arrangement mode figure of the pixel in Fig. 1 at display panel A；
Fig. 4 is a kind of exemplary timing chart of first control signal in a kind of driving method provided by the embodiments of the present application；
Fig. 5 is the corresponding light emission luminance figure of timing of first control signal in Fig. 4；
Fig. 6 is the exemplary timing of another kind of first control signal in a kind of driving method provided by the embodiments of the present application Figure；
Fig. 7 is the corresponding light emission luminance figure of timing of first control signal in Fig. 6；
Fig. 8 is the timing of first control signal and second control signal in a kind of driving method provided by the embodiments of the present application Compare schematic diagram；
Fig. 9 is a kind of another flow diagram of driving method provided by the embodiments of the present application；
Figure 10 shows the schematic diagram that brightness regulation instruction generates in a kind of driving method；
Figure 11 is a kind of another flow diagram of driving method provided by the embodiments of the present application；
Figure 12 is a kind of another flow diagram of driving method provided by the embodiments of the present application；
Figure 13 is a kind of another flow diagram of driving method provided by the embodiments of the present application；
Figure 14 shows a kind of exemplary luminance die-away time of display screen component in driving method in the embodiment of the present application Curve；
Figure 15 is a kind of another flow diagram of driving method provided by the embodiments of the present application；
Figure 16 is a kind of another flow diagram of driving method provided by the embodiments of the present application；
Figure 17 is a kind of structural schematic diagram of driving circuit provided by the embodiments of the present application；
Figure 18 is a kind of another structural schematic diagram of driving circuit provided by the embodiments of the present application；
Figure 19 is a kind of another structural schematic diagram of driving circuit provided by the embodiments of the present application；
Figure 20 is a kind of structural schematic diagram of display screen component provided by the embodiments of the present application.
Specific embodiment
In the related art, display panel of the flexible or folding screen as electronic equipment can be used, mention The practicability and operability of high electronic equipment.In the embodiment of the present application, can be used Organic Light Emitting Diode (OLED, Organic Light-Emitting Diode) display panel is made, it can also specifically use active matrix organic light-emitting Diode (AMOLED, Active Matrix/Organic Light Emitting Diode) makes display panel, at this Apply in embodiment, material is used with no restrictions to display panel.For convenience of description, made with OLED in the embodiment of the present application For the OLED display component that display panel obtains, the specific implementation process of each embodiment is introduced.
Using conventional driving method, in OLED display screen component, the brightness of the luminescent material of display panel can be with making Decayed with the increase of time.Such as it when display panel has the first display subregion and the second display subregion, is shown when two When using time difference of subregion will lead to the first display subregion of display panel appearance and second and show the display brightness of subregion not Same problem.In turn, cause display panel in comprehensive display, in the first display subregion and the second display subregion in boundary position There is apparent brightness to demarcate, referred to as long-term ghost.This long-term ghost will affect display effect, it is therefore desirable to a kind of driving side Method, to solve the above problems.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is a kind of structural schematic diagram of display panel provided by the embodiments of the present application, and Fig. 2 is A kind of flow diagram of driving method provided by the embodiments of the present application.A kind of driving method provided by the embodiments of the present application, is answered For display screen component, display screen component includes display panel 120, as shown in Figure 1, display panel 120 can be flexible or The folding panel of person, display panel 120 may include multiple display subregions, for example, display panel 120 includes the first display point Area, folding shaft show that subregion and third show subregion, for the convenience of description, here with two displays point of display panel 120 For the first display subregion 122 and the second display subregion 124 of area namely display panel 120, a kind of tool of driving method is introduced Body embodiment.
Display screen component further includes driving circuit, and driving circuit includes the first driving circuit and the second driving circuit, and first Display subregion is driven by the first driving circuit, and the pixel that specific first driving circuit can control in the first display subregion is lighted Or extinguish, it is lighted with driving the first display subregion；Second display subregion is driven by the second driving circuit, specific second driving The pixel that circuit can control in the second display subregion is lighted or is extinguished, and is lighted with driving the second display subregion.
As shown in Fig. 2, this method comprises:
S202, first control signal is exported to the first driving circuit, first control signal is for controlling the first driving circuit Driving the first display multi-section display predetermined luminance.
Optionally, first control signal can be exported to the first driving circuit by control circuit of duty ratio.
Display panel is made of multiple Organic Light Emitting Diodes in OLED display screen component, by driving individually organic hair Optical diode issues with coloured light, then by the combination of multiple Organic Light Emitting Diodes and shows image.It therefore can be with Think that in display panel Organic Light Emitting Diode represents a pixel, is wrapped in the first display subregion in display panel Multiple Organic Light Emitting Diodes are included, therefore the first display subregion also just includes multiple pixels.Fig. 3 shows display panel A in Fig. 1 A kind of exemplary arrangement mode figure of the pixel at place, wherein the pixel of adjacent rows is staggered in A, can be in same area More pixels are arranged in display panel.
Optionally, light is issued to the Organic Light Emitting Diode in the first display subregion, needed to organic light-emitting diodes Pipe plus positive voltage, namely electric current is needed to flow into from the anode of Organic Light Emitting Diode, electric current is from organic light-emitting diodes The cathode of pipe flows out.After wherein exporting first control signal to the first driving circuit, the first driving circuit is believed according to the first control Number control flow into first display subregion in Organic Light Emitting Diode electric current be turned on or off namely the first driving circuit according to The luminous or extinguishing of pixel in first control signal control the first display subregion.It should be understood that in the first display subregion Pixel includes one or more, therefore first control signal can refer to for controlling some pixel in the first display subregion LED control signal or first control signal can also refer to for control first display subregion in all pixels or portion Divide the LED control signal of pixel.
For example, if the display mode that the pixel line by line that the first display subregion uses successively is shown, then first control signal It can be each row pixel light emission or the control signal of extinguishing in finger control the first display subregion.What if the first display subregion used It is the display mode that single pixel is successively shown, then first control signal can be each pixel in finger control the first display subregion The control signal for shining or extinguishing.For convenience of description, first control signal here refers to each in control the first display subregion Row pixel light emission or the control signal of extinguishing export first control signal to the first driving circuit, and the first driving circuit can be with According to the luminous or extinguishing of each row pixel in first control signal control the first display subregion, the first driving circuit can be with root According to the different brightness of first control signal control the first display multi-section display, or the predetermined luminance of display given luminance value.
S204, second control signal is exported to the second driving circuit, second control signal is for controlling the second driving circuit Driving the second display multi-section display predetermined luminance.
Optionally, second control signal, output second can be exported to the second driving circuit by control circuit of duty ratio The control circuit of duty ratio for controlling signal can be same duty ratio control with the control circuit of duty ratio of output first control signal Circuit processed, the control circuit of duty ratio for exporting second control signal can also be with the duty ratio control electricity of output first control signal Road is control circuit of duty ratio independent, is not limited in the application the concrete form and structure of control circuit of duty ratio It is fixed.
Optionally, the structure of the second display subregion and the first display subregion is same or similar, in the second display subregion Pixel includes one or more.Therefore second control signal can refer to for controlling some pixel in the second display subregion LED control signal or second control signal can also refer to for control second display subregion in all pixels or portion Divide the LED control signal of pixel.For convenience of description, second control signal here refers to each row in control the second display subregion Pixel light emission or the control signal of extinguishing.Second control signal is exported to the second driving circuit, the second driving circuit is according to the Two control signals can control the luminous or extinguishing of each row pixel in the second display subregion, and the second driving circuit can also basis The different brightness of second control signal control the second display multi-section display, or the predetermined luminance of display given luminance value.
It should be understood that the driving method in the embodiment of the present application can be applied in display screen component, display screen component The display brightness of middle display panel in display panel Organic Light Emitting Diode flow through electric current or both end voltage is related.Because Organic Light Emitting Diode flows through electric current or both end voltage in adjusting display panel, thus it is possible to vary the function of Organic Light Emitting Diode Rate, and then change the brightness of Organic Light Emitting Diode.
In display component the display brightness of display panel also with the opening time of Organic Light Emitting Diode in display panel and The ratio for closing duration is related, because when display panel is using progressive scan display (pixel is successively shown line by line), display surface Organic Light Emitting Diode in plate alternately opens and closes, and reaches when Organic Light Emitting Diode alternately opens and closes After certain frequency, human eye cannot tell the alternation procedure of the open and close of Organic Light Emitting Diode in display panel, Human eye just will be considered that display panel is the state for being continued for lighting.
Optionally, since the first driving circuit is according to organic light-emitting diodes in first control signal control the first display subregion Pipe is turned on or off, and the low level and high level of the first control signal exported to the first driving circuit, determines the The opening and closing of Organic Light Emitting Diode in one display subregion.The opening time of Organic Light Emitting Diode in first display subregion With close duration, depending on the low level and high level duration of the first control signal exported to the first driving circuit. For example, the first driving circuit is according to the if certain moment of the first control signal exported to the first driving circuit is low level The light emitting diode of one control signal control the first display subregion is to open, and the pixel of the first display subregion is the shape that shines at this time State, wherein the pixel light emission state duration of the first display subregion and the first control signal exported to the first driving circuit Low level duration it is related.If certain moment of first control signal is high level, the first driving circuit is according to first The light emitting diode for controlling signal control the first display subregion is to close, and the pixel of the first display subregion is OFF state at this time, The wherein pixel OFF state duration with the first control signal to the output of the first driving circuit of the first display subregion High level duration is related.
Fig. 4 and Fig. 5 are please referred to, Fig. 4 is one of first control signal in a kind of driving method provided by the embodiments of the present application Kind exemplary timing chart, Fig. 5 are the corresponding light emission luminance figure of timing of first control signal in Fig. 4.
In preset time, the ratio of the low level duration of signal or high level duration and preset time Example, is properly termed as the duty ratio of signal.So in preset time, the low level duration of first control signal or high electricity The ratio of flat duration and preset time is properly termed as the first duty ratio of first control signal, wherein the first control letter Number the alternate frequency of low level and high level can be without limitation.Here for convenience of description, with first control signal for low electricity Flat, then the first driving circuit is to open according to the light emitting diode of first control signal control the first display subregion, the first control The low level duration of signal and the ratio of preset time, referred to as the first duty ratio of first control signal.By Fig. 4 It is found that the low level duration of first control signal and the ratio of preset time are 50% namely first control signal First duty ratio is 50%, and by Fig. 5 it is known that when the first duty ratio of first control signal is 50% or so, first is aobvious The average luminescence brightness for showing pixel in subregion is about 150 nits.
Fig. 6 and Fig. 7 are please referred to, Fig. 6 is the another of first control signal in a kind of driving method provided by the embodiments of the present application A kind of exemplary timing chart, Fig. 7 are the corresponding light emission luminance figure of timing of first control signal in Fig. 6.
It will be appreciated from fig. 6 that the low level duration of first control signal and the ratio of preset time are 100%, namely First duty ratio of first control signal is 100%, by Fig. 7 it is known that the first duty ratio when first control signal is When 100%, the average luminescence brightness of pixel is about 350 nits in the first display subregion.Therefore it is exported to the first driving circuit When first control signal, the first duty ratio of first control signal can be increased, by control circuit of duty ratio to enhance first Show the light emission luminance of pixel in subregion；Or the first duty ratio of first control signal is reduced by control circuit of duty ratio, To weaken the light emission luminance of pixel in the first display subregion.
It should be understood that the second duty ratio of second control signal is with the first duty ratio of first control signal with identical Or similar property, here for convenience of description, using second control signal as low level, then the second driving circuit is according to the second control The light emitting diode of signal processed control the second display subregion is to open, low level duration of second control signal and default The ratio of time, referred to as the second duty ratio of second control signal.The second control can be increased by control circuit of duty ratio Second duty ratio of signal processed, to enhance the light emission luminance of pixel in the second display subregion；Or pass through control circuit of duty ratio The second duty ratio of second control signal is reduced, to weaken the light emission luminance of pixel in the second display subregion.
When the first display subregion and when using time difference of the second display subregion, it is aobvious to will lead to display panel appearance first Show the display brightness different problems of subregion and the second display subregion, the first control can be controlled by control circuit of duty ratio at this time First duty ratio of signal processed is different from the second duty ratio of second control signal, accounts for by control first control signal first Sky shows the light emission luminance of pixel in subregion than adjustment first, and then the display brightness for adjusting the first display subregion is bright to preset Degree；The light emission luminance that pixel in subregion can also be shown by controlling the second duty ratio adjustment second of second control signal, into And the display brightness for adjusting the second display subregion is also predetermined luminance, wherein predetermined luminance can be carried out according to practical situations Setting, here simply to illustrate that the display brightness of the first display subregion and the second display subregion is identical, therefore the application is implemented In example without limitation to the specific value of predetermined luminance, since the display brightness of the first display subregion and the second display subregion is all After predetermined luminance, that is to say, that first display subregion and second display subregion display brightness it is identical, display panel it is long-term residual Shadow can be eliminated, and the display effect of display panel is improved.
In the embodiment of the present application, first control signal is exported to the first driving circuit, first control signal is for controlling First driving circuit driving the first display multi-section display predetermined luminance；To the second driving circuit export second control signal, second Signal is controlled for controlling the second driving circuit driving the second display multi-section display predetermined luminance；Wherein, first control signal has There is the first duty ratio, second control signal has the second duty ratio, and the first duty ratio is different from the second duty ratio.By adjusting First duty ratio of one control signal, can control the first display multi-section display predetermined luminance, can also be by adjusting the second control Second duty ratio of signal processed, control the second display subregion also show predetermined luminance, so that the first display subregion of display panel It is identical with the second display display brightness of subregion, long-term ghost is eliminated, the display effect of display panel is improved.
Referring to Fig. 8, Fig. 8 is first control signal and the second control in a kind of driving method provided by the embodiments of the present application The timing of signal compares schematic diagram.
It should be understood that the first display subregion in above-described embodiment can be common display subregion, the second display subregion It can be to use very much display subregion, wherein common display subregion can be the display area that user is commonly used, non-common display Subregion can be the display area that user is not frequently used, and the supplement that non-common display subregion can be used as common display subregion is aobvious Show region, since common display subregion is as the region being commonly used, it is non-common aobvious to commonly use being greater than using the time for display subregion Show the time that uses of subregion, therefore the brightness decay situation of the luminescent material of the first display subregion is greater than the second display subregion The brightness decay situation of luminescent material, under identical signal, the display brightness of the first display subregion is less than the second display subregion Display brightness.
In fig. 8, top is the timing diagram of first control signal, and lower section is the timing diagram of second control signal, the first control First duty ratio of signal processed is greater than the second duty ratio of second control signal, to compensate the brightness of the first display subregion, makes It is identical to obtain display brightness and the second display display brightness of subregion of the first display subregion.
It is to be appreciated that in the embodiment of the present application to the first driving circuit export first control signal, comprising:
The first duty ratio for increasing first control signal exports first control signal to the first driving circuit.Pass through duty Than the first duty ratio that control circuit increases first control signal, the light emission luminance of pixel in the first display subregion can be increased, And then enhance the display brightness of the first display subregion.By reasonably adjusting the first duty ratio in first control signal, can control Make the first driving circuit driving the first display multi-section display predetermined luminance.
And/or second control signal is exported to the second driving circuit, comprising:
The second duty ratio for reducing second control signal exports second control signal to the second driving circuit.Pass through duty Than the second duty ratio that control circuit reduces second control signal, the light emission luminance of pixel in the second display subregion can reduce, And then weaken the display brightness of the second display subregion.By reasonably adjusting the second duty ratio in second control signal, can control It makes the second driving circuit driving the second display subregion and also shows predetermined luminance, so that the display brightness and the of the second display subregion The display brightness of one display subregion is identical.
It should be understood that in the embodiment of the present application, "and/or" describes the incidence relation of affiliated partner, expression can be deposited In three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.
Referring to Fig. 9, Fig. 9 is a kind of another flow diagram of driving method provided by the embodiments of the present application.
It is to be appreciated that one of above-described embodiment driving method further include:
S205, the first brightness regulation instruction for showing subregion for first is received, is instructed and is adjusted according to the first brightness regulation First duty ratio.
S206, the second brightness regulation instruction for showing subregion for second is received, is instructed and is adjusted according to the second brightness regulation Second duty ratio.Or
S207, the third brightness regulation instruction that subregion is shown for the first display subregion and second is received, it is bright according to third It spends regulating command and adjusts the first duty ratio and the second duty ratio.
Optionally, control circuit of duty ratio may include display driver chip and duty ratio generation circuit, display driving core Piece can receive brightness regulation instruction, and handle brightness regulation instruction, generate corresponding clock signal, and driving chip will Clock signal is sent to duty ratio generation circuit, duty ratio generation circuit according to clock signal generate first control signal and/or Second control signal.
Optionally, brightness regulation instruction can be the operation based on user's touch display panel and generate, and can be based on use The operation that family presses physical button generates, and can also be that the voice based on user's input generates, and does not limit brightness regulation herein and refers to Enable the form generated.For example, brightness regulation instruction, which can be user, is observing the first display subregion and the second display subregion Brightness irregularities, or need to adjust the first display subregion and second display subregion display brightness when, pass through touch display surface The related setting shown in plate, and the brightness regulation instruction generated.
Figure 10 shows the schematic diagram that brightness regulation instruction generates in a kind of driving method, and user passes through sliding display panel The adjusting first of middle display shows the button of subregion brightness, generates the instruction of the first brightness regulation.Similar, sliding can also be passed through The adjusting second shown in display panel shows the button of subregion brightness, generates the instruction of the second brightness regulation, can also be sliding simultaneously The adjusting first shown in dynamic display panel shows the button of subregion and the second display subregion brightness, generates third brightness regulation and refers to It enables.
S208, first control signal is exported to the first driving circuit, first control signal is for controlling the first driving circuit Driving the first display multi-section display predetermined luminance.
S209, second control signal is exported to the second driving circuit, second control signal is for controlling the second driving circuit Driving the second display multi-section display predetermined luminance.
Optionally, after control circuit of duty ratio instructs the first duty ratio of adjustment according to the first brightness regulation, to the first driving Circuit output first control signal, and then the brightness of the first display subregion is adjusted, so that the first display multi-section display predetermined luminance； Control circuit of duty ratio can also instruct the second duty ratio of adjustment according to the second brightness regulation, to the second driving circuit output second Signal is controlled, and then adjusts the brightness of the second display subregion, so that the second display subregion also shows predetermined luminance；Duty ratio control Circuit can also instruct adjustment the first duty ratio and the second duty ratio according to third brightness regulation, to the first driving circuit output the One control signal and second control signal is exported to the second driving circuit, and then the first display subregion and the can be adjusted simultaneously The brightness of two display subregions is predetermined luminance.The display brightness of the first display subregion and second can be made to show by aforesaid operations Show that the display brightness of subregion is identical, to eliminate long-term ghost, promotes the display effect of display panel.
Figure 11 is please referred to, Figure 11 is a kind of another flow diagram of driving method provided by the embodiments of the present application.
It is to be appreciated that exporting first control signal to the first driving circuit in the embodiment of the present application, comprising:
The first brightness of S210, detection the first display subregion, obtain the first display point according to the first brightness and predetermined luminance The first adjustment brightness in area.
Optionally, control circuit of duty ratio is connect with brightness detection module, and brightness detection module is for detecting the first display First brightness of subregion and/or the second brightness of the second display subregion.For example, by predetermined point of time, brightness detection module Into the first display subregion, presumptive area sends display signal, then utilizes screen illumination sensors detection the first display subregion First brightness is sent to control circuit of duty ratio by the first brightness, brightness detection module.
Optionally, the first brightness can be as unit of nit, and control circuit of duty ratio obtains the first of the first display subregion After brightness, according to the first adjustment brightness of the available first display subregion of the first brightness and predetermined luminance, for example, duty ratio control Circuit processed is made the difference the first brightness and predetermined luminance to obtain difference, is taken the difference as the brightness adjustment of the first display subregion To brightness needed for predetermined luminance namely the first adjustment brightness.
S211, according to the first duty ratio of the first adjustment brightness adjustment.
Optionally, the duty ratio of the display brightness and control signal that show subregion can have preset calculation formula, because This can calculate that the first adjustment brightness is corresponding to be needed to adjust after obtaining the first adjustment brightness according to preset calculation formula Duty ratio, and then the first duty ratio is adjusted.
S212, first control signal is exported to the first driving circuit.
Optionally, control circuit of duty ratio exports first control signal to the first driving circuit, by adjusting the first control First duty ratio in signal, and then the brightness of the first display subregion is controlled, so that the first display multi-section display predetermined luminance.Example Such as, if the first brightness for detecting and obtaining the first display subregion is 100 nits, and predetermined luminance is 150 nits, then duty ratio It is 50 nits that control circuit, which needs to improve the first brightness 50 nits namely the first adjustment brightness, and control circuit of duty ratio can be with The first duty ratio of first control signal is improved to default duty ratio numerical value according to the first adjustment brightness, to increase the first display The light emission luminance of pixel in subregion, and then enhance the display brightness of the first display subregion, so that the first display multi-section display is default Brightness.
Figure 12 is please referred to, Figure 12 is a kind of another flow diagram of driving method provided by the embodiments of the present application.
It is to be appreciated that exporting second control signal to the second driving circuit in the embodiment of the present application, comprising:
The second brightness of S214, detection the second display subregion, obtain the second display point according to the second brightness and predetermined luminance The second adjustment brightness in area.
Optionally, control circuit of duty ratio is connect with brightness detection module, and brightness detection module is for detecting the first display First brightness of subregion and/or the second brightness of the second display subregion.For example, by predetermined point of time, brightness detection module Into the second display subregion, presumptive area sends display signal, then utilizes screen illumination sensors detection the second display subregion Second brightness is sent to control circuit of duty ratio by the second brightness, brightness detection module.
Optionally, the second brightness can be as unit of nit, and control circuit of duty ratio obtains the second of the second display subregion After brightness, according to the second adjustment brightness of the available second display subregion of the second brightness and predetermined luminance, for example, duty ratio control Circuit processed is made the difference the second brightness and predetermined luminance to obtain difference, is taken the difference as the brightness adjustment of the second display subregion To brightness needed for predetermined luminance namely second adjustment brightness.
S215, according to the second duty ratio of second adjustment brightness adjustment.
Optionally, the duty ratio of the display brightness and control signal that show subregion can have preset calculation formula, because This can calculate that second adjustment brightness is corresponding to be needed to adjust after obtaining second adjustment brightness according to preset calculation formula Duty ratio, and then the second duty ratio is adjusted.
S216, second control signal is exported to the second driving circuit.
Optionally, control circuit of duty ratio exports second control signal to the second driving circuit, by adjusting the second control Second duty ratio in signal, and then the brightness of the second display subregion is controlled, so that the second display subregion also shows predetermined luminance.Example Such as, if the second brightness for detecting and obtaining the second display subregion is 200 nits, and predetermined luminance is 150 nits, then duty ratio It is 50 nits that control circuit, which needs to reduce the second brightness 50 nits namely second adjustment brightness, and control circuit of duty ratio can be with The second duty ratio of second control signal is reduced to default duty ratio numerical value according to second adjustment brightness, to reduce by the second display The light emission luminance of pixel in subregion, and then weaken the display brightness of the second display subregion, so that the second display multi-section display is default Brightness.
Figure 13 is please referred to, Figure 13 is a kind of another flow diagram of driving method provided by the embodiments of the present application.
It is to be appreciated that exporting first control signal to the first driving circuit in the embodiment of the present application, comprising:
S218, the first accumulative display time for obtaining the first display subregion, according to the first accumulative display time adjustment first Duty ratio.
Optionally, control circuit of duty ratio is connect with time cumulation module, time cumulation module acquisition the first display subregion The first accumulative display time and/or the second display subregion the second accumulative display time.For example, time cumulation module by Predetermined point of time, the first accumulative display time of acquisition the first display subregion, and the first of acquisition the accumulative display time was sent To control circuit of duty ratio.
Optionally, when the first accumulative display time can refer to all uses under first all energized states of display subregion Between it is accumulative and, after the first accumulative display time that control circuit of duty ratio obtains the first display subregion, obtaining first accumulative makes The brightness value for needing to adjust with the first brightness corresponding under the time, the brightness value adjustment that control circuit of duty ratio adjusts as needed the First duty ratio of one control signal.For example, the first duty can be adjusted according to the brightness decay time graph of display screen component Than specifically, the brightness decay time of obtained display screen component is first trained or tested in advance to control circuit of duty ratio Curve, according to the brightness decay time graph of display screen component, obtains after the first accumulative display time for obtaining the first display subregion Add up to obtain first further according to the first decaying brightness and predetermined luminance using the first decaying brightness corresponding under the time to first Need the brightness namely the first adjustment brightness that adjust when showing multi-section display predetermined luminance, finally according to the first adjustment brightness with And preset calculation formula calculates the corresponding duty ratio for needing to adjust of second adjustment brightness, and then carries out to the first duty ratio Adjustment.
S220, first control signal is exported to the first driving circuit.
Optionally, after according to the first duty ratio of the first accumulative display time adjustment first control signal, to the first driving Circuit output first control signal to adjust the display brightness of pixel in the first display subregion, and then adjusts the first display subregion Display brightness so that first display multi-section display predetermined luminance.
Figure 14 shows a kind of exemplary luminance die-away time of display screen component in driving method in the embodiment of the present application Curve.For example, in Figure 14, when the first cumulative time of the first display subregion is 500 hours, then in the bright of display screen component It spends in die-away time curve, the first cumulative time, corresponding first decaying brightness was 100 nits, then if predetermined luminance is 150 Nit, then need the first brightness improving 50 nits, it can be by control circuit of duty ratio by the first of first control signal Duty ratio is improved to default duty ratio numerical value, and to increase the light emission luminance of pixel in the first display subregion, and then it is aobvious to enhance first Show the display brightness of subregion, so that the first display multi-section display predetermined luminance.
Figure 15 is please referred to, Figure 15 is a kind of another flow diagram of driving method provided by the embodiments of the present application.
It is to be appreciated that exporting second control signal to the second driving circuit in the embodiment of the present application, comprising:
S222, the second accumulative display time for obtaining the second display subregion, according to the second accumulative display time adjustment second Duty ratio.
Optionally, control circuit of duty ratio is connect with time cumulation module, time cumulation module acquisition the first display subregion The first accumulative display time and/or the second display subregion the second accumulative display time.For example, time cumulation module by Predetermined point of time, the second accumulative display time of acquisition the second display subregion, and the second of acquisition the accumulative display time was sent To control circuit of duty ratio.
Optionally, when the second accumulative display time can refer to all uses under second all energized states of display subregion Between it is accumulative and, after the second accumulative display time that control circuit of duty ratio obtains the second display subregion, obtaining second accumulative makes The brightness value for needing to adjust with the second brightness corresponding under the time, the of the brightness value adjustment second control signal adjusted as needed Two duty ratios.For example, the second duty ratio is adjusted according to the brightness decay time graph of display screen component, specifically, duty ratio control The brightness decay time graph of obtained display screen component is first trained or tested in advance to circuit processed, obtains the second display point After the accumulative display time of the second of area, according to the brightness decay time graph of display screen component, obtains second and add up to use the time Under corresponding second decaying brightness, further according to the second decaying brightness and predetermined luminance, obtain the second display multi-section display preset it is bright The brightness namely second adjustment brightness for needing to adjust when spending, finally according to second adjustment brightness and preset calculation formula meter The corresponding duty ratio for needing to adjust of second adjustment brightness is calculated, and then the second duty ratio is adjusted.
S224, second control signal is exported to the first driving circuit.
For example, in Figure 14, when the second cumulative time of the second display subregion is 200 hours, then in display screen component Brightness decay time graph in, the corresponding brightness decay of the second cumulative time be 300 nits, then if predetermined luminance be 150 Nit, then needing the second brightness reducing by 150 nits, control circuit of duty ratio can be by the second duty of second control signal Than being reduced to default duty ratio numerical value, to reduce the light emission luminance of pixel in the second display subregion, and then weaken the second display point The display brightness in area, so that the second display multi-section display predetermined luminance.
It should be understood that control circuit of duty ratio can acquire first by time cumulation module shows that the first of subregion tires out The second accumulative display time of meter display time and the second display subregion, and according to the brightness decay time of display screen component, it obtains The brightness value for needing to adjust to the brightness value that adjusts of needs of the first display subregion and the second display subregion, then specifically adjust the First duty ratio of one control signal and the second duty ratio for adjusting second control signal, realize and show subregion for first automatically Display brightness and the display brightness of the second display subregion be adjusted to identical display brightness, to eliminate long-term ghost, promoted aobvious Show the display effect of panel.
Figure 16 is please referred to, Figure 16 is a kind of another flow diagram of driving method provided by the embodiments of the present application.
It should be understood that in the display brightness and display panel of display panel Organic Light Emitting Diode flow through electric current or Both end voltage is related, because Organic Light Emitting Diode flows through electric current or both end voltage in adjusting display panel, thus it is possible to vary The power of Organic Light Emitting Diode, and then change the brightness of Organic Light Emitting Diode.
Therefore a kind of driving method provided by the embodiments of the present application, can also include:
S226, the first power signal is exported to the first driving circuit.
Optionally, the first driving circuit is according to Organic Light Emitting Diode in the first power signal control the first display subregion Power to control the light emission luminance of pixel in the first display subregion, and then controls the brightness of the first display subregion, so that first is aobvious Show multi-section display predetermined luminance.
S228, the second power signal is exported to the second driving circuit.
Optionally, the second driving circuit is according to Organic Light Emitting Diode in the second power signal control the second display subregion Power to control the light emission luminance of pixel in the second display subregion, and then controls the brightness of the second display subregion, so that second is aobvious Show multi-section display predetermined luminance.
When the first display subregion and when using time difference of the second display subregion, it is aobvious to will lead to display panel appearance first The display brightness different problems for showing subregion and the second display subregion, can control the signal strength of the first power signal not at this time It is same as the signal strength of the second power signal, picture in signal strength adjustment the first display subregion by controlling the first power signal The light emission luminance of element, and then the display brightness of the first display subregion is adjusted, so that the first display multi-section display predetermined luminance；May be used also With the light emission luminance of pixel in signal strength adjustment the second display subregion by the second power signal of control, and then adjust second Show the display brightness of subregion, so that the second display multi-section display predetermined luminance, so that the first display subregion and the second display point The display brightness in area is identical, to promote the display effect of display panel.
It should be understood that the brightness decay value of the first display subregion and/or the second display subregion, root can also be directly acquired The first duty ratio and/or the second duty ratio are adjusted according to brightness decay value.Therefore to the first driving in the embodiment of the present application Circuit output first control signal can also include:
The the first brightness decay value for obtaining the first display subregion, adjusts the first duty ratio according to the first brightness decay value.
Optionally, control circuit of duty ratio is connect with brightness decay detection module, brightness decay detection module detection first It shows the first brightness decay value of subregion, and the first brightness decay value is sent to control circuit of duty ratio.Duty ratio control electricity After road obtains the first brightness decay value of the first display subregion, first of the first display subregion under the first brightness decay value is determined Brightness needs the brightness value adjusted, and the brightness value that control circuit of duty ratio adjusts as needed adjusts the first duty ratio.
First control signal is exported to the first driving circuit.Optionally, the first duty is adjusted according to the first brightness decay value Than after, first control signal is exported to the first driving circuit, to adjust the display brightness of pixel in the first display subregion, and then is adjusted The display brightness of whole first display subregion, so that the first display multi-section display predetermined luminance.
Similar, can also include: to the second driving circuit output second control signal
The the second brightness decay value for obtaining the second display subregion, adjusts the second duty ratio according to the second brightness decay value.
Optionally, control circuit of duty ratio is connect with brightness decay detection module, brightness decay detection module detection second It shows the second brightness decay value of subregion, and the second brightness decay value is sent to control circuit of duty ratio.Duty ratio control electricity After road obtains the second brightness decay value of the second display subregion, second of the second display subregion under the second brightness decay value is determined Brightness needs the brightness value adjusted, and the brightness value that control circuit of duty ratio adjusts as needed adjusts the second duty ratio.
Second control signal is exported to the second driving circuit.Optionally, the second duty is adjusted according to the second brightness decay value Than after, second control signal is exported to the second driving circuit, to adjust the display brightness of pixel in the second display subregion, and then is adjusted The display brightness of whole second display subregion, so that the second display multi-section display predetermined luminance.
It should be understood that control circuit of duty ratio can acquire the of the first display subregion by brightness decay detection module Second brightness decay value of one brightness decay value and the second display subregion, obtains the brightness value that the needs of the first display subregion adjust And second display subregion need the brightness value that adjusts, then the first duty ratio and adjustment the of specific adjustment first control signal Second duty ratio of two control signals is realized automatically that the display of the display brightness of the first display subregion and the second display subregion is bright Degree is adjusted to identical display brightness, to eliminate long-term ghost, promotes the display effect of display panel.
Figure 17 is please referred to, Figure 17 is a kind of structural schematic diagram of driving circuit provided by the embodiments of the present application.
Optionally, a kind of driving circuit is applied to display screen component, and display screen component includes display panel, display panel Including the first display subregion 122 and the second display subregion 124, which includes: that the first driving circuit 220, second drives Dynamic circuit 240 and control circuit of duty ratio 260.
Optionally, the first driving circuit 220, for driving the first display subregion 122, the second driving circuit 240, for driving Dynamic second display subregion 124, control circuit of duty ratio 260 is connect with the first driving circuit 220, and control circuit of duty ratio 260 Also connect with the second driving circuit 240, control circuit of duty ratio 260 to the first driving circuit 220 export first control signal or Second control signal is exported to the second driving circuit 240.Control circuit of duty ratio 260 is used to export to the first driving circuit 220 First control signal, first control signal are preset bright for driving the first display display of subregion 122 of the first driving circuit 220 of control Degree；And/or control circuit of duty ratio 260 is used to export second control signal to the second driving circuit 240, second control signal is used Predetermined luminance is shown in controlling the second driving circuit 240 driving the second display subregion 124.
Wherein, the control circuit of duty ratio for exporting second control signal can be with the duty ratio control of output first control signal Circuit processed is same control circuit of duty ratio, and the control circuit of duty ratio for exporting second control signal can also be controlled with output first The control circuit of duty ratio of signal processed be control circuit of duty ratio independent, control circuit of duty ratio 260 can be including The circuit structure of circuit chip and/or electronic component does not limit control circuit of duty ratio 260 in the embodiment of the present application Particular circuit configurations.
Optionally, light is issued to the Organic Light Emitting Diode in the first display subregion 122, needed to organic light emission two Pole pipe plus positive voltage, namely electric current is needed to flow into from the anode of Organic Light Emitting Diode, electric current is from organic light emission two The cathode of pole pipe flows out, then the first driving circuit 220 flows into organic in the first display subregion 122 according to first control signal control The electric current of light emitting diode is turned on or off, namely control first shows the luminous or extinguishing of pixel in subregion 122.
Optionally, if the display mode that the pixel line by line that the first display subregion 122 uses successively is shown, then the first control Signal can be each row pixel light emission or the control signal of extinguishing in finger control the first display subregion 122, and the first driving electricity Road 220 can be set in the side of the first display subregion 122, or in order to improve the exhibit stabilization of the first display subregion 122, The two sides of the first display subregion 122 can also be arranged in first driving circuit 220.First driving circuit 220 can be including electricity The circuit structure of road chip and/or electronic component does not limit the specific of the first driving circuit 220 in the embodiment of the present application Circuit structure.
Optionally, the second driving circuit 240 is similar with the structure of the first driving circuit 220,240 basis of the second driving circuit The control signal that each row pixel is turned on or off in second control signal control the second display subregion 124, passes through control second Control signal can control the luminous or extinguishing of each row pixel in the second display subregion 124.Second driving circuit 240 can be set It sets in the side of the second display subregion 124, or in order to improve the exhibit stabilization of the second display subregion 124, the second driving electricity The two sides of the second display subregion 124 can also be arranged in road 240.Second driving circuit 240 can be including circuit chip and/or The circuit structure of electronic component does not limit the particular circuit configurations of the second driving circuit 240 in the embodiment of the present application.
Optionally, when the use time difference of the first display subregion 122 and the second display subregion 124, it will lead to display There are the display brightness different problems of the first display subregion 122 and the second display subregion 124 in panel 120.It can pass through at this time Control circuit of duty ratio 260 exports first control signal to the first driving circuit 220 or exports second to the second driving circuit 240 The first duty ratio for controlling signal, and adjusting first control signal is different from the second duty ratio of second control signal.So that the One drive circuit 220 shows the light emission luminance of pixel in subregion 122 according to the first duty ratio of first control signal adjustment first, And then the display brightness of the first display subregion 122 is adjusted, control the first display subregion 122 shows predetermined luminance；It is also possible that Second driving circuit 240 shows the luminance of pixel in subregion 124 according to the second duty ratio of second control signal adjustment second Degree, and then the display brightness of the second display subregion 124 is adjusted, control the second display subregion 124 also shows predetermined luminance, so that the One display subregion 122 is identical with the display brightness of the second display subregion 124, to eliminate long-term ghost, promotes the aobvious of display panel Show effect.
Optionally, control circuit of duty ratio 260 is also used to receive for the first display subregion 122 and/or the second display point The brightness regulation in area 124 instructs, and instructs the first duty ratio of adjustment and/or the second duty ratio according to brightness regulation.
Optionally, control circuit of duty ratio 260 may include display driver chip and duty ratio generation circuit, display driving Chip can receive brightness regulation instruction, and handle brightness regulation instruction, generate corresponding clock signal, driving chip Clock signal is sent to duty ratio generation circuit, duty ratio generation circuit according to clock signal generate first control signal and/ Or second control signal.
Optionally, brightness regulation instruction can be the operation based on user's touch display panel and generate, and can be based on use The operation that family presses physical button generates, and can also be that the voice based on user's input generates, and does not limit brightness regulation herein and refers to Enable the form generated.For example, brightness regulation instruction, which can be user, is observing the first display subregion 122 and the second display subregion 124 brightness irregularities, or when needing to adjust the display brightness of the first display subregion 122 and the second display subregion 124, pass through The related setting shown in touch display panel, and the brightness regulation instruction generated.
Optionally, control circuit of duty ratio 260 instructs the first duty ratio of adjustment according to the first brightness regulation, and adjustable the The brightness of one display subregion 122, so that the first display multi-section display predetermined luminance.Control circuit of duty ratio 260 can also basis Second brightness regulation instruction the second duty ratio of adjustment, the brightness of adjustable second display subregion 124, so that the second display subregion 124 also show predetermined luminance.Control circuit of duty ratio 260 can also according to third brightness regulation instruct adjustment the first duty ratio and Second duty ratio can also adjust the brightness of the first display subregion 122 and the second display subregion 124 simultaneously, can make the The display brightness of one display subregion 122 is identical as the second display display brightness of subregion 124, to eliminate ghost, promotes display surface The display effect of plate.
Figure 18 is please referred to, Figure 18 is a kind of another structural schematic diagram of driving circuit provided by the embodiments of the present application.
It should be understood that the driving circuit 200 in above-described embodiment can also include:
Brightness detection module 280, the first brightness and second for detecting the first display subregion 122 show subregion 124 Second brightness.
Optionally, brightness detection module 280 can be luminance detection circuit, and luminance detection circuit may include screen intensity Sensor and peripheral circuit, brightness detection sensor can detecte the first brightness and the second display of the first display subregion 122 Second brightness of subregion 124 does not limit the particular circuit configurations of luminance detection circuit in the embodiment of the present application.
Optionally, control circuit of duty ratio 260 is connect with brightness detection module 280, and brightness detection module 280 is for detecting First brightness of the first display subregion 122 and/or the second brightness of the second display subregion 124.For example, by the predetermined time Point, the presumptive area into the first display subregion 122 of brightness detection module 280 are sent display signal, are then passed using screen intensity First brightness is sent to duty ratio control electricity by the first brightness of sensor detection the first display subregion 122, brightness detection module 280 Road 260.
Wherein, control circuit of duty ratio 260 be also used to according to the first brightness and second the first duty ratio of brightness adjustment and/or Second duty ratio.
Optionally, the first brightness can be as unit of nit, and control circuit of duty ratio 260 obtains the first display subregion 122 The first brightness after, according to the first brightness and predetermined luminance it is available first display subregion 122 the first adjustment brightness, example Such as, control circuit of duty ratio 260 is made the difference the first brightness and predetermined luminance to obtain difference, is taken the difference as the first display Brightness needed for the brightness adjustment to predetermined luminance of subregion 122 namely the first adjustment brightness.Due to display subregion display brightness with The duty ratio of control signal can have preset calculation formula, therefore after obtaining the first adjustment brightness, can be according to default Calculation formula calculate that the first adjustment brightness is corresponding to need the duty ratio that adjusts, and then the first duty ratio is adjusted. Control circuit of duty ratio 260 exports first control signal to the first driving circuit 220, by adjusting in first control signal first Duty ratio, and then the brightness of the first display subregion 122 is controlled, so that the first display subregion 122 shows predetermined luminance.
Optionally, the second brightness can be as unit of nit, and control circuit of duty ratio 260 obtains the second display subregion 124 The second brightness after, according to the second brightness and predetermined luminance it is available second display subregion 124 second adjustment brightness, example Such as, control circuit of duty ratio 260 is made the difference the second brightness and predetermined luminance to obtain difference, is taken the difference as the second display Brightness needed for the brightness adjustment to predetermined luminance of subregion 124 namely second adjustment brightness.Due to display subregion display brightness with The duty ratio of control signal can have preset calculation formula, therefore after obtaining second adjustment brightness, can be according to default Calculation formula calculate that second adjustment brightness is corresponding to need the duty ratio that adjusts, and then the second duty ratio is adjusted. Control circuit of duty ratio 260 exports second control signal to the second driving circuit 240, by adjusting in second control signal second Duty ratio, and then the brightness of the second display subregion 124 is controlled, so that the second display subregion 124 also shows predetermined luminance.
Figure 19 is please referred to, Figure 19 is a kind of another structural schematic diagram of driving circuit provided by the embodiments of the present application.
It should be understood that the driving circuit 200 in above-described embodiment can also include:
Time cumulation module 2100, for obtaining the first accumulative display time and the second display of the first display subregion 122 The accumulative display time of the second of subregion 124.
Optionally, control circuit of duty ratio 260 is connect with time cumulation module 2100, the acquisition of time cumulation module 2,100 the First accumulative display time of one display subregion 122 and/or the second accumulative display time of the second display subregion 124.For example, when Between accumulation module 2100 by predetermined point of time, the first accumulative display time of acquisition the first display subregion 122, and will acquisition The first accumulative display time be sent to control circuit of duty ratio 260.
Wherein, control circuit of duty ratio 260 was also used to according to the first accumulative display time and the second accumulative display time tune Whole first duty ratio and/or the second duty ratio.
Optionally, time integral module 2100 can be time integral circuit, and time integral circuit can be including circuit The circuit structure of chip and/or electronic component does not limit the physical circuit knot of time integral circuit in the embodiment of the present application Structure.
Optionally, what the first accumulative display time can refer under all energized states of the first display subregion 122 all makes With the accumulative of time and, after the first accumulative display time that time cumulation module 2100 obtains the first display subregion 122, by first The accumulative display time is sent to control circuit of duty ratio 260, and control circuit of duty ratio 260, which obtains first, to be added up to need using the time The brightness value of adjustment, the first duty of the brightness value adjustment first control signal that control circuit of duty ratio 260 adjusts as needed Than.
Optionally, control circuit of duty ratio 260 is accounted for according to the first of the first accumulative display time adjustment first control signal After sky ratio, first control signal is exported to the first driving circuit 220, it is bright with the display for adjusting pixel in the first display subregion 122 Degree, and then the display brightness of the first display subregion 122 is adjusted, so that the first display subregion 122 shows predetermined luminance.
Optionally, what the second accumulative display time can refer under all energized states of the second display subregion 124 all makes With the accumulative of time and, after the second accumulative display time that time cumulation module 2100 obtains the second display subregion 124, by second The accumulative display time is sent to control circuit of duty ratio 260, and control circuit of duty ratio 260, which obtains second, to be added up to need using the time The brightness value of adjustment, the second duty of the brightness value adjustment second control signal that control circuit of duty ratio 260 adjusts as needed Than.
After the second duty ratio of the control circuit of duty ratio 260 according to the second accumulative display time adjustment second control signal, First control signal is exported to the second driving circuit 240, to adjust the display brightness of pixel in the second display subregion 124, in turn The display brightness of adjustment the second display subregion 124, so that the second display subregion 124 also shows predetermined luminance.
Optionally, the driving circuit 200 in above-described embodiment can also include:
Brightness decay detection module, for obtaining the first brightness decay value and the second display point of acquisition the first display subregion The second brightness decay value in area.
Optionally, control circuit of duty ratio 260 is connect with brightness decay detection module, brightness decay detection module detection the First brightness decay value of one display subregion, and the first brightness decay value is sent to control circuit of duty ratio 260.Duty ratio control After circuit 260 processed obtains the first brightness decay value of the first display subregion, the first display point under the first brightness decay value is determined First brightness in area needs the brightness value adjusted, and the brightness value adjustment first that control circuit of duty ratio 260 adjusts as needed accounts for Empty ratio.
Optionally, after control circuit of duty ratio 260 adjusts the first duty ratio according to the first brightness decay value, to the first driving Circuit output first control signal to adjust the display brightness of pixel in the first display subregion, and then adjusts the first display subregion Display brightness.
Optionally, brightness decay detection module can also detect the second brightness decay value of the second display subregion, and by Two brightness decay values are sent to control circuit of duty ratio 260.The second of the acquisition of control circuit of duty ratio 260 second display subregion is bright After spending pad value, the brightness value that the second brightness of the second display subregion under the second brightness decay value needs to adjust, duty are determined The brightness value of adjustment more as needed than control circuit adjusts the second duty ratio.
Optionally, after control circuit of duty ratio 260 adjusts the second duty ratio according to the second brightness decay value, to the second driving Circuit output second control signal to adjust the display brightness of pixel in the second display subregion, and then adjusts the second display subregion Display brightness.
It should be understood that control circuit of duty ratio 260 can acquire the first display subregion by brightness decay detection module The first brightness decay value and second display subregion the second brightness decay value, obtain the first display subregion needs adjust it is bright The brightness value that angle value and the second display subregion need to adjust, then the first duty ratio and tune of specific adjustment first control signal Second duty ratio of whole second control signal is realized and the display brightness of the first display subregion and second is shown the aobvious of subregion automatically Show that brightness adjustment promotes the display effect of display panel for identical display brightness to eliminate long-term ghost.
In the embodiment of the present application, driving circuit includes: the first driving circuit, for driving the first display subregion；Second drives Dynamic circuit, for driving the second display subregion；Control circuit of duty ratio, to the first driving circuit export first control signal or to Second driving circuit exports second control signal；Wherein, the first duty ratio of first control signal is different from second control signal The second duty ratio.Since the first display subregion is driven by the first driving circuit, the second display subregion is driven by the second driving circuit It is dynamic, by adjusting the first duty ratio of first control signal, the display brightness of adjustable first display subregion, and by adjusting It is aobvious to realize independent adjustment first for second duty ratio of second control signal, the display brightness of adjustable second display subregion The display brightness for showing subregion and the second display subregion, can also adjust the first display subregion as needed and the second display subregion is Identical display brightness promotes the display effect of display screen to eliminate long-term ghost.
Figure 20 is please referred to, Figure 20 is a kind of structural schematic diagram of display screen component provided by the embodiments of the present application.
The display screen component 100 includes:
Display panel 120, display panel 120 include the first display subregion 122 and the second display subregion 124.And it is such as above-mentioned Driving circuit 200.
The embodiment of the present application also provides a kind of electronic equipment, and including such as above-mentioned display screen component 100, electronic equipment can be with It is such as mobile phone, smart phone, laptop, digit broadcasting receiver, PDA (personal digital assistant), PAD (plate Computer), PMP (portable media player), navigation device etc. mobile terminal and such as number TV, desktop computer Equal electronic equipments.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment Point, it may refer to the associated description of other embodiments.
The above are to a kind of driving method provided herein, driving circuit, display screen component and electronic equipment Description, for those skilled in the art, according to the thought of the embodiment of the present application, in specific embodiments and applications It will change, to sum up, the contents of this specification should not be construed as limiting the present application.

Claims (15)

1. a kind of driving method is applied to display screen component, which is characterized in that the display screen component includes display panel and drive Dynamic circuit, the display panel include the first display subregion and the second display subregion, and the driving circuit includes the first driving electricity Road and the second driving circuit, which comprises
First control signal is exported to first driving circuit, the first control signal is for controlling the first driving electricity Road driving the first display multi-section display predetermined luminance；
Second control signal is exported to second driving circuit, the second control signal is for controlling the second driving electricity Predetermined luminance described in road driving the second display multi-section display；
Wherein, the first control signal has the first duty ratio, and the second control signal has the second duty ratio, and described the One duty ratio is different from second duty ratio.
2. described the method according to claim 1, wherein the first display subregion is common display subregion Second display subregion is non-common display subregion；
It is then described to export first control signal to first driving circuit, comprising:
Increase first duty ratio of the first control signal, the first driving circuit of Xiang Suoshu output the first control letter Number；And/or
It is described to export second control signal to second driving circuit, comprising:
Reduce second duty ratio of the second control signal, the second driving circuit of Xiang Suoshu output the second control letter Number.
3. the method according to claim 1, wherein the method also includes:
The first brightness regulation instruction for the first display subregion is received, adjustment institute is instructed according to first brightness regulation State the first duty ratio；
The second brightness regulation instruction for the second display subregion is received, adjustment institute is instructed according to second brightness regulation State the second duty ratio；Or
The third brightness regulation instruction for the first display subregion and the second display subregion is received, according to the third Brightness regulation instruction adjusts first duty ratio and second duty ratio.
4. the method according to claim 1, wherein described to first driving circuit output the first control letter Number, comprising:
The first brightness for detecting the first display subregion, obtains described first according to first brightness and the predetermined luminance Show the first adjustment brightness of subregion；
According to the first duty ratio described in the first adjustment brightness adjustment；
The first control signal is exported to first driving circuit.
5. the method according to claim 1, wherein described to second driving circuit output the second control letter Number, comprising:
The second brightness for detecting the second display subregion, obtains described second according to second brightness and the predetermined luminance Show the second adjustment brightness of subregion；
According to the second duty ratio described in the second adjustment brightness adjustment；
The second control signal is exported to second driving circuit.
6. the method according to claim 1, wherein described to first driving circuit output the first control letter Number, comprising:
The the first accumulative display time for obtaining the first display subregion, according to the described first accumulative display time adjustment described the One duty ratio；
The first control signal is exported to first driving circuit.
7. according to the method described in claim 6, it is characterized in that, described according to the described first accumulative display time adjustment First duty ratio, comprising:
According to the brightness decay time graph of display screen component, obtains described first and add up to show that time corresponding first decaying is bright Degree；
According to the first decaying brightness and the predetermined luminance, the first adjustment brightness of the first display subregion is obtained；
According to the first duty ratio described in the first adjustment brightness adjustment.
8. the method according to claim 1, wherein described to second driving circuit output the second control letter Number, comprising:
The the second accumulative display time for obtaining the second display subregion, according to the described second accumulative display time adjustment described the Two duty ratios；
Second control signal is exported to second driving circuit.
9. according to the method described in claim 8, it is characterized in that, described according to the described second accumulative display time adjustment Second duty ratio, comprising:
According to the brightness decay time graph of display screen component, obtains described second and add up to show that time corresponding second decaying is bright Degree；
According to the second decaying brightness and the predetermined luminance, the second adjustment brightness of the second display subregion is obtained；
According to the second duty ratio described in the second adjustment brightness adjustment.
10. a kind of driving circuit is applied to display screen component, which is characterized in that the display screen component includes display panel, institute Stating display panel includes the first display subregion and the second display subregion, and the driving circuit includes:
Control circuit of duty ratio, the first driving circuit and the second driving circuit；
The control circuit of duty ratio is used to export first control signal, the first control signal to first driving circuit For controlling the first driving circuit driving the first display multi-section display predetermined luminance；
The control circuit of duty ratio is also used to export second control signal, the second control letter to second driving circuit Number for controlling predetermined luminance described in second driving circuit driving the second display multi-section display；
Wherein, the first control signal has the first duty ratio, and the second control signal has the second duty ratio, and described the One duty ratio is different from second duty ratio.
11. driving circuit according to claim 10, which is characterized in that
The control circuit of duty ratio is also used to receive the first brightness regulation instruction for the first display subregion, according to institute It states the instruction of the first brightness regulation and adjusts first duty ratio；
The control circuit of duty ratio is also used to receive the second brightness regulation instruction for the second display subregion, according to institute It states the instruction of the second brightness regulation and adjusts second duty ratio；Or
The control circuit of duty ratio is also used to receive the third for the first display subregion and the second display subregion Brightness regulation instruction, instructs according to the third brightness regulation and adjusts first duty ratio and second duty ratio.
12. driving circuit according to claim 10, which is characterized in that the driving circuit further include:
Brightness detection module, second for detecting the first brightness or the second display subregion that described first shows subregion are bright Degree；
Wherein, the control circuit of duty ratio is also used to obtain described first according to first brightness and the predetermined luminance aobvious The first adjustment brightness for showing subregion, according to the first duty ratio described in the first adjustment brightness adjustment；
The control circuit of duty ratio is also used to obtain second display point according to second brightness and the predetermined luminance The second adjustment brightness in area, according to the second duty ratio described in the second adjustment brightness adjustment.
13. driving circuit according to claim 10, which is characterized in that the driving circuit further include:
Time cumulation module, the first accumulative display time or described second for obtaining the first display subregion show subregion The second accumulative display time；
Wherein, the control circuit of duty ratio is also used to adjust first duty ratio according to the described first accumulative display time, Or second duty ratio is adjusted according to the described second accumulative display time.
14. a kind of display screen component, which is characterized in that the display screen component includes:
Display panel, including the first display subregion and the second display subregion；And
Driving circuit as described in any one of claim 10 to claim 13.
15. a kind of electronic equipment, which is characterized in that including display screen component as claimed in claim 14.
CN201910772239.3A 2019-08-21 2019-08-21 Driving method, driving circuit, display screen assembly and electronic equipment Active CN110459168B (en)

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