CN109272931A - The display control method of display panel, display control unit, display equipment - Google Patents
The display control method of display panel, display control unit, display equipment Download PDFInfo
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- CN109272931A CN109272931A CN201811408477.8A CN201811408477A CN109272931A CN 109272931 A CN109272931 A CN 109272931A CN 201811408477 A CN201811408477 A CN 201811408477A CN 109272931 A CN109272931 A CN 109272931A
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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]
Abstract
The present invention provides a kind of display control method of display panel, display panel includes multiple pixels, each display cycle of display panel includes: to provide the driving stage of driving signal to each pixel and stop providing the blank stage of driving signal, and display control method includes: the mapping relations obtained between multiple target refresh frequencies and multiple frequency adjustment instructions；When receiving frequency adjustment instructions, whether equal with target refresh frequency corresponding to frequency adjustment instructions detect the current refreshing frequency of display panel, if differ, the duration in the driving stage for then keeping display panel current is constant, and the duration of blank stage is adjusted, so as to which the current refreshing frequency of display panel is adjusted to the target refresh frequency corresponding to frequency adjustment instructions.The present invention also provides a kind of display control units of display panel and a kind of display equipment.The present invention is beneficial for improving user experience, and in some interfaces for not needing high frequency refresh picture, refreshing frequency is reduced, to reduce power consumption.
Description
Technical field
The present invention relates to field of display technology, and in particular to a kind of display control method of display panel, display control dress
It sets, show equipment.
Background technique
With the development of display technology, show that the display effect of product constantly improves, so that the application of display product
It is more and more extensive.
In the prior art, display panel generallys use fixed refreshing frequency update picture, this will lead in some applications
Occasion (e.g., in game APP) is unable to satisfy the demand of user, and then will lead to a large amount of power consumptions of consumption in other occasions.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art, a kind of showing for display panel is proposed
Show control method, display control unit, display equipment.
To achieve the goals above, the present invention provides a kind of display control method of display panel, the display panel packet
Include multiple pixels, each display cycle of the display panel include: to each pixel provide driving signal the driving stage and
Stop providing the blank stage of the driving signal, the display control method includes:
Obtain the mapping relations between multiple target refresh frequencies and multiple frequency adjustment instructions；
When receiving frequency adjustment instructions, whether the current refreshing frequency of detection display panel refers to frequency adjusting
Enable corresponding target refresh frequency equal, if differing, the duration in the driving stage for keeping display panel current is constant, and adjusts
The duration of the blank stage is saved, so as to which the current refreshing frequency of the display panel is adjusted to correspond to frequency adjusting
The target refresh frequency of instruction.
Optionally, the display panel includes multiple pixels, is provided with luminescence unit in each pixel；The display control
Method further include:
In the display cycle, LED control signal is provided to the pixel, the LED control signal includes: to be in have
Imitate the part of level state and the part in inactive level state；
Wherein, the duration of the blank stage adjusts front and back, and the LED control signal is in the display cycle in effective
The ratio between the duration of level state and the duration of the display cycle remain unchanged.
Optionally, the LED control signal is the period letter switched between the effective status and the invalid state
Number, difference of the duration of the blank stage before and after adjusting is the integral multiple in the period of the LED control signal.
Optionally, when receiving frequency adjustment instructions, and current refreshing frequency is corresponding with the frequency adjustment instructions
Whens target refresh frequency is not equal, the display control method further include:
The week of the LED control signal is determined according to the amount of cycles of LED control signal described in the current display cycle
Phase.
Correspondingly, the present invention also provides a kind of display control unit of display panel, the display panel includes multiple pictures
Element, each display cycle of the display panel include: driving stage and blank stage；The display control unit includes: to drive
Dynamic model block drives the stage for the display in the display cycle, to each pixel write data signal；And in the display cycle
Blank stage stops that the data-signal is written；The display control unit further include:
Mapping obtains module, closes for obtaining the mapping between multiple target refresh frequencies and multiple frequency adjustment instructions
System；
Control module, for when receiving frequency adjustment instructions, the current refreshing frequency of detection display panel whether with
The corresponding target refresh frequency of the frequency adjustment instructions is equal, if differing, driving stage for keeping display panel current
Duration is constant, and adjusts the duration of the blank stage, so as to which the current refreshing frequency of the display panel is adjusted to correspond to
In the target refresh frequency of the frequency adjustment instructions.
Optionally, luminescence unit is provided in each pixel, the drive module was also used in the display cycle, to institute
It states pixel and LED control signal is provided, the LED control signal includes: part in significant level state and in invalid
The part of level state；
Wherein, the duration of the blank stage adjusts front and back, and the LED control signal is in the display cycle in effective
The ratio between the duration of level state and the duration of the display cycle remain unchanged.
Optionally, stating LED control signal is the period letter switched between the effective status and the invalid state
Number, difference of the duration of the blank stage before and after adjusting is the integral multiple in the period of the LED control signal.
Optionally, the display control unit further include: computing module, for shining according to each display cycle
The amount of cycles of control signal determines the period of the LED control signal.
Correspondingly, the present invention also provides a kind of display equipment, including display panel, the display panel includes multiple pictures
Element, the display device further include the display control unit of above-mentioned display panel.
Optionally, the display panel further includes a plurality of grid line and multiple data lines, and the grid line and the data line are handed over
Fork setting；The corresponding grid line of each pixel and a data line；The grid line and data line are connected with the drive module；
Luminescence unit and pixel circuit are provided in the pixel, the pixel circuit includes driving transistor, writing transistor, shines
Control transistor and capacitor；Wherein,
The grid of said write transistor is connected with corresponding grid line, and the first pole of said write transistor is counted with corresponding
It is connected according to line, the second pole of said write transistor is connected with the grid of driving transistor；
First pole of the driving transistor is connected with power end, the second pole of the driving transistor and the luminous control
The first of transistor processed is extremely connected, and the grid of the light emitting control transistor is connected with the drive module；
The both ends of the capacitor are extremely connected with the grid and first of the driving transistor respectively；
First pole of the luminescence unit is extremely connected with the second of the light emitting control transistor, and the of the luminescence unit
Two poles are connected with low level signal end.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the course of work schematic diagram of each row pixel in the display cycle；
Fig. 2 is the flow chart for the display control method that the embodiment of the present invention one provides；
Fig. 3 is a kind of structural schematic diagram of the luminescence unit and pixel circuit that are arranged in pixel；
Fig. 4 a is and Fig. 4 b is respectively the signal timing diagram that refreshing frequency adjusts front and back in a specific example；
Fig. 5 is that refreshing frequency is switched to the GAMMA2.2 curve graph before and after 60Hz by 90Hz；
Fig. 6 is a kind of structural schematic diagram of the display control unit of display panel provided by Embodiment 2 of the present invention.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
It is understood in advance that display panel shows that the time (that is, display cycle Frame) of any one frame picture wraps
Include driving stage and blank stage (blank stage).In the driving stage, drive module provides driving signal to each pixel,
Blank stage, drive module stop providing driving signal to pixel.Fig. 1 is the course of work signal of each row pixel in the display cycle
Figure, as shown in Figure 1, drive module is that pixel provides driving signal line by line, and pixel is in driving in each display cycle Frame
Sub-stage Tr.Drive when a length of (1/f-VBP-VFP-VSW)/NL of sub-stage Tr, wherein VBP is frame synchronizing signal Vsync's
Back porch, VFP are the crop of frame synchronizing signal Vsync, and VSW is the pulsewidth of frame synchronizing signal Vsync, and NL is the line number of pixel；
The sum of VBP, VFP and VSW are the duration of blank stage.Pixel starts to shine after receiving driving signal, into luminous son
Stage EL.More specifically, it includes: to reset to pixel that drive module, which provides driving signal for each pixel, backward pixel
Data-signal is written, to keep the light emission luminance of pixel corresponding with the data-signal of writing pixel.That is, the driving stage are as follows: from
It is carved at the beginning of providing driving signal to the first row pixel between the finish time that last line pixel provides driving signal
Stage；Blank stage is then are as follows: to last line pixel provide driving signal finish time into next frame to the first row
Stage between at the beginning of pixel offer driving signal.It, can be by picture in addition, in each display cycle Frame
Element provides LED control signal, so that pixel operation process may include the luminous sub-stage EL at multiple intervals.
It is understood that the display cycle Frame when display panel is longer, then the refreshing frequency of picture is smaller；When aobvious
Show that the display cycle Frame of panel is shorter, then the refreshing frequency of picture is bigger.In current display product, the refreshing frequency of picture
Rate is fixed, but for different display interfaces, the demand of user is often different, for example, in mobile phone or computer, user
Often there is high requirement to interface, in order to reach true to nature and without dilatory display effect, then needs to reach higher
Refreshing frequency；And for other interfaces (e.g., music-playing interface), then the requirement to interface is not high by user, at this moment, excessively high
Refreshing frequency will waste more energy consumptions.
In order to meet user to the different demands of display interface, the embodiment of the present invention one provides a kind of display of display panel
Control method.The display panel includes multiple pixels, and each display cycle of the display panel includes: to mention to each pixel
The blank stage of driving signal is provided for the driving stage and stopping of driving signal.The specific explanations in driving stage and blank stage
Illustrate be mentioned above, which is not described herein again.Fig. 2 is the flow chart for the display control method that the embodiment of the present invention one provides,
As shown in Fig. 2, the display control method of display panel includes:
Mapping relations between S1, the multiple target refresh frequencies of acquisition and multiple frequency adjustment instructions.
Wherein, which can preset and store.In some embodiments, frequency adjustment instructions can pass through
The operation of user and generate.For example, user generates different frequency adjustment instructions while entering different classes of interface；
Specifically, music-playing interface and document interface are first kind display interface；Interface and video clip are that the second class is shown
Interface；For user when entering the interface of first category, processing module generates first frequency regulating command, at this time corresponding target brush
New frequency can be the first refreshing frequency, such as 60Hz；For user when entering the interface of second category, processing module generates the second frequency
Rate regulating command, corresponding target refresh frequency is the second refreshing frequency, such as 90Hz at this time.In another embodiment, frequency tune
Section instruction can be generated by processing module by detection and after calculating；Specifically, when processing module detects current display process
In, per unit time in the interior picture shown, when the quantity of same frame reaches certain threshold value, then it represents that the variation of current image
It is smaller, refreshing frequency can be reduced, at this point, generating first frequency regulating command；Conversely, then generating second frequency regulating command.
Certainly, the quantity of frequency adjustment instructions is not limited to above two, can also be a variety of.
S2, when receiving frequency adjustment instructions, whether the current refreshing frequency of detection display panel refers to frequency adjusting
Enable corresponding target refresh frequency equal；If differing, step S21 is carried out；If equal, step S22 is carried out.
S21, the duration in the driving stage for keeping display panel current are constant, and adjust the duration of blank stage, will show
Show that the current refreshing frequency of panel is adjusted to the target refresh frequency corresponding to frequency adjustment instructions.
It is understood that then keeping the current driving stage when target refresh frequency is greater than current refreshing frequency
Duration it is constant, and the duration of blank stage is reduced, so that the duration of display cycle reduces, and then by current refreshing
Frequency increases to target refresh frequency；When target refresh frequency is less than current refreshing frequency, then current driving rank is kept
The duration of section is constant, and the duration of blank stage is increased, so that the duration in display stage be made to increase, and then by current refreshing
Frequency is decreased to target refresh frequency.
S22, current refreshing frequency is kept.That is, keeping the duration of the current duration for driving the stage and blank stage equal
It is constant.
In display control method provided in this embodiment, display panel is not to carry out refreshing frequency with fixed frequency
Rate, but user experience to meet high-quality requirement of the user to certain pictures, can be improved according to different instructions；And
In some interfaces for not needing high frequency refresh picture, refreshing frequency is reduced, to reduce power consumption.
Display control method of the invention is particularly suitable for the display of control organic electroluminescent (OLED) display panel.Its
In, display panel further includes a plurality of grid line and multiple data lines, and grid line and data line are arranged in a crossed manner, to limit multiple pixels.
The corresponding grid line of each pixel and a data line.Luminescence unit and pixel circuit are provided in pixel.The display control
Method further include: in the display cycle, provide LED control signal to pixel, LED control signal includes: in significant level shape
The part of state and part in inactive level state.
Fig. 3 is a kind of structural schematic diagram of the luminescence unit and pixel circuit that are arranged in pixel, as shown in figure 3, pixel is electric
Road includes driving transistor T2, writing transistor T1, light emitting control transistor T3 and capacitor C.The grid of writing transistor T1 with
Corresponding grid line GATE is connected, and the first pole of writing transistor T1 is connected with corresponding data line DATA, writing transistor T1's
Second pole is connected with the grid of driving transistor T2.The first pole of driving transistor T2 is connected with power end VDD, drives transistor
The second pole of T2 is extremely connected with the first of light emitting control transistor T3, the grid and light emitting control end EM of light emitting control transistor T3
It is connected.The both ends of capacitor C are extremely connected with the grid and first of driving transistor T2 respectively.First pole of luminescence unit 10 and shine
Control transistor T3 second is extremely connected, and the second pole of luminescence unit 10 is connected with low level signal end VSS.
Wherein, light emitting control end EM is used to provide LED control signal to the grid of light emitting control transistor T3.Shine control
Signal processed is in " significant level state " and refers to, LED control signal controls electricity corresponding when light emitting control transistor T3 conducting
Level state；LED control signal is in " inactive level state " and refers to, LED control signal controls light emitting control transistor T3 and closes
Corresponding level state when closing.When light emitting control transistor T3 is P-type transistor, significant level state is low level shape
State；Inactive level state is high level state；When light emitting control transistor T3 is N-type transistor, then significant level state is
High level state, inactive level state are low level state.In the present invention, it is carried out so that each transistor is P-type transistor as an example
Description.
In the driving stage of each display cycle, drive module is that pixel provides scanning signal line by line, when in pixel circuit
The grid of writing transistor T1 when receiving scanning signal, writing transistor T1 conducting, so that the data on data line be believed
The grid of number write driver transistor T2, and be stored in capacitor C, so that driving transistor T2 conducting, is luminescence unit
10 provide driving current；And under the memory action of capacitor C, so that driving transistor T2 is held on.And work as light emitting control
When the LED control signal of EM being held to be low level signal, light emitting control transistor T3 conducting；When LED control signal is high level
When signal, light emitting control transistor T3 shutdown；Therefore, LED control signal in the display cycle in significant level state when
The long luminous duration for determining luminescence unit.And during showing a frame picture, for human eye, luminescence unit 10
Fluorescent lifetime time scale shared in the display cycle is different, then the brightness that human eye is experienced is also different.
In order to guarantee that the refreshing frequency of display panel adjusts front and back, the brightness of picture is not in difference, it is preferable that blank
The duration in stage adjusts front and back, duration and display cycle of the LED control signal in the display cycle in significant level state
The ratio between duration remains unchanged, so that the refreshing frequency of display panel adjusts front and back, hair of the luminescence unit in the display cycle
The ratio between light time length and the duration of display cycle remain unchanged, so that the brightness of picture remains unchanged.
Specifically, LED control signal is the periodic signal switched between effective status and invalid state.At this point, when connecing
Receive frequency adjustment instructions, and whens current refreshing frequency target refresh frequency corresponding with frequency adjustment instructions is not equal, display
Control method further include: the week of LED control signal is determined according to the amount of cycles of LED control signal in the current display cycle
Phase.Thus when adjusting the duration of blank stage in the step s 21, according to the period of LED control signal and target refresh frequency tune
The duration of blank stage is saved, so that difference of the duration of blank stage before and after adjusting is the integer in the period of LED control signal
Times.
Specifically, if in the current display cycle, LED control signal includes n1 period, and current refreshing frequency is F1, mesh
Mark refreshing frequency is F2, then after the duration of blank stage is adjusted, period of the LED control signal in each display cycle
Number n2=n1*F1/F2.Fig. 4 a is and Fig. 4 b is respectively the signal timing diagram that refreshing frequency adjusts front and back in a specific example.Its
In, in each display cycle, control module generates driving control signal TE, as shown in figures 4 a and 4b, driving control signal TE
It is in significant level state in the driving stage, is in inactive level state in blank stage.Drive module exists according to driving control signal
The driving stage provides driving signal for each pixel, stops providing driving signal in blank stage.Display panel corresponding to Fig. 4 a
Refreshing frequency be 90Hz, at this point, as shown in fig. 4 a, LED control signal ESTV includes 4 periods in each display cycle,
So, LED control signal ESTV each period when a length of display cycle duration 1/4.Display panel corresponding to Fig. 4 b
Refreshing frequency is 60Hz, in order to which refreshing frequency is adjusted to 60Hz by 90Hz, then by increasing the duration of blank stage, so that hair
Optical control signal ESTV has 4*90/60=6 period in each display cycle.
Fig. 5 gives refreshing frequency the GAMMA2.2 curve being switched to before and after 60Hz by 90Hz, in Fig. 5, refreshes frequency
The GAMMA2.2 curve that GAMMA2.2 curve and refreshing frequency when rate is 90Hz are 60Hz is completely coincident, that is, refreshing frequency exists
Switch front and back between 90Hz and 60Hz, the brightness of display panel is constant.
In the display control method that the embodiment of the present invention one provides, display panel is not to be brushed with fixed frequency
New frequency, but to meet high-quality requirement of the user to certain pictures, and can be not required to some according to different instructions
In the interface for wanting high frequency refresh picture, refreshing frequency is reduced, to reduce power consumption.In addition, before and after refreshing frequency adjusting, display
The brightness of picture is constant.Also, display control method is easy to implement, and can save the producing line time.
Based on the same inventive concept, second embodiment of the present invention provides a kind of display control unit of display panel, institutes as above
It states, display panel includes multiple pixels, is provided with luminescence unit in each pixel.Each display cycle of display panel includes:
Driving stage and blank stage.Fig. 6 is a kind of structure of the display control unit of display panel provided by Embodiment 2 of the present invention
Schematic diagram, as shown in fig. 6, display control unit includes drive module 20, mapping acquisition module 30 and control module 40.
Drive module 20 is used to drive the stage in the display of display cycle, to each pixel write data signal；And aobvious
Show the blank stage in period, stops write-in data-signal.Wherein, in the grid line of display panel and data line and pixel circuit
Light emitting control end is connected with drive module 20, and drive module 20 provides scanning signal line by line for grid line, and is by data line
Pixel provides data-signal；Driving circuit 20 was also used in the display cycle, provided light emitting control to pixel by light emitting control end
Signal, LED control signal include: the part in significant level state and the part in inactive level state.Also, it sends out
Optical control signal is the periodic signal switched between effective status and invalid state.
Mapping obtains the mapping that module 30 is used to obtain between multiple target refresh frequencies and multiple frequency adjustment instructions and closes
System.
Control module 40 is used for when receiving frequency adjustment instructions, the current refreshing frequency of detection display panel whether with
The corresponding target refresh frequency of frequency adjustment instructions is equal, if differing, the duration in the driving stage for keeping display panel current
It is constant, and the duration of blank stage is adjusted, so as to which the current refreshing frequency of display panel is adjusted to refer to corresponding to frequency adjusting
The target refresh frequency of order.
Display control unit further includes computing module 50, and computing module 50 is used for according to light emitting control in each display cycle
The amount of cycles of signal determines the period of LED control signal.Wherein, the duration of blank stage adjusts front and back, LED control signal
The ratio between duration and the duration of display cycle in the display cycle in significant level state remain unchanged.Work as LED control signal
When for periodic signal, difference of the duration of blank stage before and after adjusting is the integral multiple in the period of LED control signal.Wherein,
Adjusting to the duration of blank stage is are as follows: drive module 20 provides after driving signal terminates for last line pixel, to drive
The waiting time of dynamic model block 20 is adjusted.Specific Principles of Regulation are described above, and which is not described herein again.
Based on the same inventive concept, the embodiment of the present invention three provides a kind of display equipment, including display panel and above-mentioned reality
The display control unit provided in example two is applied, display panel includes multiple pixels.Wherein, display panel includes a plurality of grid line and more
Data line is provided with luminescence unit and pixel circuit in pixel, and the specific structure of pixel circuit has been described above, here not
It repeats again.
The display equipment can be the products or device having a display function such as mobile phone, display, tablet computer, navigator
Part.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of display control method of display panel, the display panel includes each of multiple pixels, the display panel
Display cycle includes: to provide the driving stage of driving signal to each pixel and stop providing the blank rank of the driving signal
Section, which is characterized in that the display control method includes:
Obtain the mapping relations between multiple target refresh frequencies and multiple frequency adjustment instructions；
When receiving frequency adjustment instructions, the current refreshing frequency of detection display panel whether with the frequency adjustment instructions institute
Corresponding target refresh frequency is equal, if differing, the duration in the driving stage for keeping display panel current is constant, and adjusts institute
The duration of blank stage is stated, so as to which the current refreshing frequency of the display panel is adjusted to correspond to the frequency adjustment instructions
Target refresh frequency.
2. display control method according to claim 1, which is characterized in that the display panel includes multiple pixels, often
Luminescence unit is provided in a pixel；The display control method further include:
In the display cycle, LED control signal is provided to the pixel, the LED control signal includes: in effectively electricity
The part of level state and part in inactive level state；
Wherein, the duration of the blank stage adjusts front and back, and the LED control signal is in significant level in the display cycle
The ratio between the duration of state and the duration of the display cycle remain unchanged.
3. display control method according to claim 2, which is characterized in that the LED control signal is described effective
The periodic signal switched between state and the invalid state, difference of the duration of the blank stage before and after adjusting is described
The integral multiple in the period of LED control signal.
4. display control method according to claim 3, which is characterized in that when receiving frequency adjustment instructions, and it is current
Refreshing frequency target refresh frequency corresponding with the frequency adjustment instructions it is not equal whens, the display control method further include:
The period of the LED control signal is determined according to the amount of cycles of LED control signal described in the current display cycle.
5. a kind of display control unit of display panel, the display panel includes each of multiple pixels, the display panel
Display cycle includes: driving stage and blank stage；The display control unit includes: drive module, in the display cycle
Display drive the stage, to each pixel write data signal；And in the blank stage of the display cycle, stop described in write-in
Data-signal；It is characterized in that, the display control unit further include:
Mapping obtains module, for obtaining the mapping relations between multiple target refresh frequencies and multiple frequency adjustment instructions；
Control module, for when receiving frequency adjustment instructions, the current refreshing frequency of detection display panel whether with it is described
The corresponding target refresh frequency of frequency adjustment instructions is equal, if differing, the duration in the driving stage for keeping display panel current
It is constant, and the duration of the blank stage is adjusted, so as to which the current refreshing frequency of the display panel is adjusted to correspond to institute
State the target refresh frequency of frequency adjustment instructions.
6. display control unit according to claim 5, which is characterized in that be provided with luminescence unit, institute in each pixel
It states drive module to be also used in the display cycle, provides LED control signal, the LED control signal packet to the pixel
It includes: the part in significant level state and the part in inactive level state；
Wherein, the duration of the blank stage adjusts front and back, and the LED control signal is in significant level in the display cycle
The ratio between the duration of state and the duration of the display cycle remain unchanged.
7. display control unit according to claim 6, which is characterized in that stating LED control signal is in effective shape
The periodic signal switched between state and the invalid state, difference of the duration of the blank stage before and after adjusting are the hair
The integral multiple in the period of optical control signal.
8. display control unit according to claim 5, which is characterized in that the display control unit further include: calculate
Module, the amount of cycles for the LED control signal according to each display cycle determine the week of the LED control signal
Phase.
9. a kind of display equipment, including display panel, the display panel includes multiple pixels, which is characterized in that the display
Device further includes the display control unit of display panel described in any one of claim 5 to 8.
10. display equipment according to claim 9, which is characterized in that the display panel further includes a plurality of grid line and more
Data line, the grid line and the data line are arranged in a crossed manner；The corresponding grid line of each pixel and a data line；The grid
Line and data line are connected with the drive module；Luminescence unit and pixel circuit, the pixel electricity are provided in the pixel
Road includes driving transistor, writing transistor, light emitting control transistor and capacitor；Wherein,
The grid of said write transistor and corresponding grid line are connected, the first pole of said write transistor and corresponding data line
It is connected, the second pole of said write transistor is connected with the grid of driving transistor；
First pole of the driving transistor is connected with power end, and the second pole of the driving transistor and the light emitting control are brilliant
The first of body pipe is extremely connected, and the grid of the light emitting control transistor is connected with the drive module；
The both ends of the capacitor are extremely connected with the grid and first of the driving transistor respectively；
First pole of the luminescence unit is extremely connected with the second of the light emitting control transistor, the second pole of the luminescence unit
It is connected with low level signal end.
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| CN201811408477.8A CN109272931B (en) | 2018-11-23 | 2018-11-23 | Display control method and device of display panel and display equipment |
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| CN201811408477.8A CN109272931B (en) | 2018-11-23 | 2018-11-23 | Display control method and device of display panel and display equipment |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110675824A (en) * | 2019-10-09 | 2020-01-10 | 京东方科技集团股份有限公司 | Signal output circuit, driving IC, display device and driving method thereof |
| CN111477665A (en) * | 2020-04-29 | 2020-07-31 | 湖北长江新型显示产业创新中心有限公司 | Display panel and display device |
| CN111968582A (en) * | 2020-01-14 | 2020-11-20 | Oppo广东移动通信有限公司 | Display screen frequency conversion method, DDIC chip, display screen module and terminal |
| CN112331145A (en) * | 2020-11-17 | 2021-02-05 | Oppo广东移动通信有限公司 | Display screen frequency conversion method, DDIC chip, display screen module and terminal |
| CN112735313A (en) * | 2020-12-30 | 2021-04-30 | 武汉华星光电半导体显示技术有限公司 | Display panel and electronic device |
| CN113140153A (en) * | 2020-01-19 | 2021-07-20 | 北京小米移动软件有限公司 | Electronic device, display control method thereof, and computer-readable storage medium |
| CN113160748A (en) * | 2020-01-22 | 2021-07-23 | Oppo广东移动通信有限公司 | Display screen frequency conversion method, display driving integrated circuit chip and application processor |
| CN114420025A (en) * | 2020-10-28 | 2022-04-29 | 北京京东方显示技术有限公司 | Display panel driving method, driving device and display device |
| WO2022087871A1 (en) * | 2020-10-28 | 2022-05-05 | Qualcomm Incorporated | Intelligent management of application layer rendering |
| CN114446239A (en) * | 2022-02-17 | 2022-05-06 | 京东方科技集团股份有限公司 | Display control method, device and system and display equipment |
| WO2023155137A1 (en) * | 2022-02-18 | 2023-08-24 | 京东方科技集团股份有限公司 | Driving method for display panel, and display apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427785A (en) * | 2014-09-17 | 2016-03-23 | 联发科技股份有限公司 | Processor for use in dynamic refresh rate switching and related electronic device and method |
| CN106205460A (en) * | 2016-09-29 | 2016-12-07 | 京东方科技集团股份有限公司 | The driving method of display device, time schedule controller and display device |
| CN107464517A (en) * | 2017-08-17 | 2017-12-12 | 上海天马有机发光显示技术有限公司 | Driving method, drive device, display panel and the display device of display panel |
| CN107610671A (en) * | 2017-11-07 | 2018-01-19 | 合肥京东方光电科技有限公司 | The method and apparatus of control sequential, drive circuit, display panel, electronic equipment |
| WO2018161578A1 (en) * | 2017-03-10 | 2018-09-13 | 广东欧珀移动通信有限公司 | Method, device, storage medium, and electronic apparatus for dynamically adjusting screen refresh rate |
-
2018
- 2018-11-23 CN CN201811408477.8A patent/CN109272931B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427785A (en) * | 2014-09-17 | 2016-03-23 | 联发科技股份有限公司 | Processor for use in dynamic refresh rate switching and related electronic device and method |
| CN106205460A (en) * | 2016-09-29 | 2016-12-07 | 京东方科技集团股份有限公司 | The driving method of display device, time schedule controller and display device |
| WO2018161578A1 (en) * | 2017-03-10 | 2018-09-13 | 广东欧珀移动通信有限公司 | Method, device, storage medium, and electronic apparatus for dynamically adjusting screen refresh rate |
| CN107464517A (en) * | 2017-08-17 | 2017-12-12 | 上海天马有机发光显示技术有限公司 | Driving method, drive device, display panel and the display device of display panel |
| CN107610671A (en) * | 2017-11-07 | 2018-01-19 | 合肥京东方光电科技有限公司 | The method and apparatus of control sequential, drive circuit, display panel, electronic equipment |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110675824B (en) * | 2019-10-09 | 2021-08-27 | 京东方科技集团股份有限公司 | Signal output circuit, driving IC, display device and driving method thereof |
| CN110675824A (en) * | 2019-10-09 | 2020-01-10 | 京东方科技集团股份有限公司 | Signal output circuit, driving IC, display device and driving method thereof |
| US11893929B2 (en) | 2020-01-14 | 2024-02-06 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Display screen rate conversion method and terminal |
| CN111968582A (en) * | 2020-01-14 | 2020-11-20 | Oppo广东移动通信有限公司 | Display screen frequency conversion method, DDIC chip, display screen module and terminal |
| WO2021143676A1 (en) * | 2020-01-14 | 2021-07-22 | Oppo广东移动通信有限公司 | Display screen frequency conversion method, ddic chip, display screen module, and terminal |
| CN113140153B (en) * | 2020-01-19 | 2023-03-21 | 北京小米移动软件有限公司 | Electronic device, display control method thereof, and computer-readable storage medium |
| CN113140153A (en) * | 2020-01-19 | 2021-07-20 | 北京小米移动软件有限公司 | Electronic device, display control method thereof, and computer-readable storage medium |
| CN113160748B (en) * | 2020-01-22 | 2022-03-29 | Oppo广东移动通信有限公司 | Display screen frequency conversion method, display driving integrated circuit chip and application processor |
| CN113160748A (en) * | 2020-01-22 | 2021-07-23 | Oppo广东移动通信有限公司 | Display screen frequency conversion method, display driving integrated circuit chip and application processor |
| CN111477665B (en) * | 2020-04-29 | 2022-08-26 | 湖北长江新型显示产业创新中心有限公司 | Display panel and display device |
| CN111477665A (en) * | 2020-04-29 | 2020-07-31 | 湖北长江新型显示产业创新中心有限公司 | Display panel and display device |
| CN114420025A (en) * | 2020-10-28 | 2022-04-29 | 北京京东方显示技术有限公司 | Display panel driving method, driving device and display device |
| WO2022087871A1 (en) * | 2020-10-28 | 2022-05-05 | Qualcomm Incorporated | Intelligent management of application layer rendering |
| CN112331145B (en) * | 2020-11-17 | 2022-02-15 | Oppo广东移动通信有限公司 | Display screen frequency conversion method, DDIC chip, display screen module and terminal |
| CN112331145A (en) * | 2020-11-17 | 2021-02-05 | Oppo广东移动通信有限公司 | Display screen frequency conversion method, DDIC chip, display screen module and terminal |
| CN112735313A (en) * | 2020-12-30 | 2021-04-30 | 武汉华星光电半导体显示技术有限公司 | Display panel and electronic device |
| CN112735313B (en) * | 2020-12-30 | 2022-12-06 | 武汉华星光电半导体显示技术有限公司 | Display panel and electronic device |
| CN114446239A (en) * | 2022-02-17 | 2022-05-06 | 京东方科技集团股份有限公司 | Display control method, device and system and display equipment |
| CN114446239B (en) * | 2022-02-17 | 2023-08-18 | 京东方科技集团股份有限公司 | Display control method, device and system and display equipment |
| WO2023155137A1 (en) * | 2022-02-18 | 2023-08-24 | 京东方科技集团股份有限公司 | Driving method for display panel, and display apparatus |
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