CN108962135A - Aging compensation approach, the device of display panel - Google Patents
Aging compensation approach, the device of display panel Download PDFInfo
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- CN108962135A CN108962135A CN201811093003.9A CN201811093003A CN108962135A CN 108962135 A CN108962135 A CN 108962135A CN 201811093003 A CN201811093003 A CN 201811093003A CN 108962135 A CN108962135 A CN 108962135A
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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]
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/043—Preventing or counteracting the effects of ageing
- G09G2320/046—Dealing with screen burn-in prevention or compensation of the effects thereof
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Abstract
The invention discloses a kind of aging compensation approach of display panel, device, belong to field of display technology.The display panel includes multiple sub-pixels, which comprises adds up to display data of each sub-pixel after the display panel is opened for the first time, obtains the aging cumulative data of the display panel；According to the first corresponding relationship of cumulative data and degree of aging, the corresponding current degree of aging of the aging cumulative data of the display panel is determined；Compensation of ageing is carried out to the display panel according to the current degree of aging.The current degree of aging of the display panel is determined according to the aging cumulative data of the display panel got, and the display panel is compensated according to the current degree of aging, therefore the luminous efficiency for improving display panel, makes the display panel be able to maintain good display effect in the different ageing steps.
Description
Technical field
The invention belongs to field of display technology, in particular to a kind of aging compensation approach of display panel, device.
Background technique
Organic Light Emitting Diode (Organic Light Emitting Diode, OLED) display panel because its self-luminous,
Driving voltage is low, responds the features such as fast and is widely used.
In the related technology, the OLED device in OLED display panel generally comprises: anode, luminescent layer and cathode.Wherein, it sends out
Photosphere is made of organic semiconducting materials, can shine under the driving of anode and cathode.
But as OLED display panel uses the increase of time, the organic semiconducting materials of luminescent layer in OLED device
Meeting gradually aging, causes the display effect of OLED display panel poor.
Summary of the invention
In order to solve the problems in the relevant technologies, the present invention provides a kind of aging compensation approach of display panel, device,
It can solve the display of the OLED display panel as caused by the organic semiconducting materials gradually aging of luminescent layer in OLED device
The poor problem of effect.The technical solution is as follows:
In a first aspect, providing a kind of aging compensation approach method of display panel, the display panel includes multiple sons
Pixel, which comprises
It adds up, obtains described aobvious to display data of each sub-pixel after the display panel is opened for the first time
Show the aging cumulative data of panel；
According to the first corresponding relationship of cumulative data and degree of aging, the aging cumulative data pair of the display panel is determined
The current degree of aging answered；
Compensation of ageing is carried out to the display panel according to the current degree of aging.
Optionally, it is described display data of each sub-pixel after the display panel is opened for the first time are carried out it is tired
Add, obtain the aging cumulative data of the display panel, comprising:
It adds up to display data of each sub-pixel after the display panel is opened for the first time, obtains each institute
State the aging cumulative data of sub-pixel；
It adds up to the aging cumulative data of the multiple sub-pixel, obtains the aging cumulative number of the display panel
According to；
It is optionally, described that compensation of ageing is carried out to the display panel according to the current degree of aging, comprising:
Determine the corresponding target gamma electric voltage of the current degree of aging；
The gamma electric voltage of the display panel is adjusted to the target gamma electric voltage.
Optionally, first corresponding relationship is that the cumulative data of display panel is corresponding with the degree of aging of display panel
Relationship；Before carrying out compensation of ageing to the display panel according to the current degree of aging, the method also includes:
According to the second corresponding relationship of the cumulative data of sub-pixel and the degree of aging of sub-pixel, determine respectively each described
The corresponding sub-pixels ageing degree of the aging cumulative data of sub-pixel；
Optionally, after the gamma electric voltage of the display panel is adjusted to the target gamma electric voltage, the method
Further include:
By in the multiple sub-pixel, the sub-pixels ageing degree sub-pixel different from the current degree of aging is determined as
Difference sub-pixel；
According to the sub-pixels ageing degree of each difference sub-pixel, the compensation system of each difference sub-pixel is determined
Number；
Using the penalty coefficient of each difference sub-pixel, the display data of each difference sub-pixel are mended
It repays.
Optionally, the sub-pixels ageing degree according to each difference sub-pixel determines each difference
The penalty coefficient of pixel, comprising:
Determine that the sub-pixels ageing degree of each difference sub-pixel is corresponding with reference to gamma electric voltage；
According to the corresponding reference of sub-pixels ageing degree of the target gamma electric voltage and each difference sub-pixel
Gamma electric voltage determines that the penalty coefficient of each difference sub-pixel, the penalty coefficient refer to gamma electric voltage positive with described
It closes.
Optionally, the corresponding target gamma electric voltage of the determination current degree of aging, comprising:
According to the corresponding relationship of degree of aging and gamma electric voltage, the corresponding target gamma electricity of the current degree of aging is determined
Pressure；
Wherein, the corresponding gamma electric voltage of each degree of aging is that the display panel of the degree of aging is shown in display highest
Gamma electric voltage when brightness.
Optionally, it is described display data of each sub-pixel after the display panel is opened for the first time are carried out it is tired
Add, obtain the aging cumulative data of the display panel, comprising:
It adds up to display data of each sub-pixel after the display panel is opened for the first time, obtains each institute
State the aging cumulative data of sub-pixel；
First corresponding relationship be sub-pixel cumulative data and sub-pixel degree of aging corresponding relationship, described
According to the first corresponding relationship of cumulative data and degree of aging, determine that the aging cumulative data of the display panel is corresponding current old
Change degree, comprising:
According to the first corresponding relationship of cumulative data and degree of aging, determine that the aging of each sub-pixel is cumulative respectively
The corresponding current degree of aging of data；
It is optionally, described that compensation of ageing is carried out to the display panel according to the current degree of aging, comprising:
According to the current degree of aging of each sub-pixel, the penalty coefficient of each sub-pixel is determined；
Using the penalty coefficient of each sub-pixel, the display data of each sub-pixel are compensated.
Second aspect provides a kind of compensation of ageing device of display panel, and the display panel includes multiple sub-pixels,
Described device includes:
Accumulator module, it is tired for being carried out to display data of each sub-pixel after the display panel is opened for the first time
Add, obtains the aging cumulative data of the display panel；
First determining module determines the display surface for the first corresponding relationship according to cumulative data and degree of aging
The corresponding current degree of aging of the aging cumulative data of plate；
Compensating module, for carrying out compensation of ageing to the display panel according to the current degree of aging.
Optionally, the accumulator module, is used for:
It adds up to display data of each sub-pixel after the display panel is opened for the first time, obtains each institute
State the aging cumulative data of sub-pixel；
It adds up to the aging cumulative data of the multiple sub-pixel, obtains the aging cumulative number of the display panel
According to；
Optionally, the compensating module, comprising:
Submodule is determined, for determining the corresponding target gamma electric voltage of the current degree of aging；
Adjusting submodule, for the gamma electric voltage of the display panel to be adjusted to the target gamma electric voltage.
First corresponding relationship is the corresponding relationship of the cumulative data of display panel and the degree of aging of display panel；
Optionally, described device further include:
Second determining module, for being carried out according to the current degree of aging to the display panel in the compensating module
Before compensation of ageing, according to the second corresponding relationship of the cumulative data of sub-pixel and the degree of aging of sub-pixel, determine respectively every
The corresponding sub-pixels ageing degree of the aging cumulative data of a sub-pixel；
Third determining module, for the gamma electric voltage of the display panel to be adjusted to the mesh in the adjusting submodule
After marking gamma electric voltage, by the multiple sub-pixel, the sub-pixels ageing degree sub- picture different from the current degree of aging
Element is determined as difference sub-pixel；
4th determining module determines each described for the sub-pixels ageing degree according to each difference sub-pixel
The penalty coefficient of difference sub-pixel；
Compensating module, for the penalty coefficient using each difference sub-pixel, to each difference sub-pixel
Display data compensate.
Optionally, the 4th determining module, is used for:
Determine that the sub-pixels ageing degree of each difference sub-pixel is corresponding with reference to gamma electric voltage；
According to the corresponding reference of sub-pixels ageing degree of the target gamma electric voltage and each difference sub-pixel
Gamma electric voltage determines that the penalty coefficient of each difference sub-pixel, the penalty coefficient refer to gamma electric voltage positive with described
It closes.
Optionally, the determining submodule, is used for:
According to the corresponding relationship of degree of aging and gamma electric voltage, the corresponding target gamma electricity of the current degree of aging is determined
Pressure；
Wherein, the corresponding gamma electric voltage of each degree of aging is that the display panel of the degree of aging is shown in display highest
Gamma electric voltage when brightness.
Optionally, the accumulator module, is used for:
It adds up to display data of each sub-pixel after the display panel is opened for the first time, obtains each institute
State the aging cumulative data of sub-pixel；
First corresponding relationship is the corresponding relationship of the cumulative data of sub-pixel and the degree of aging of sub-pixel, optional
, first determining module is used for:
According to the first corresponding relationship of cumulative data and degree of aging, determine that the aging of each sub-pixel is cumulative respectively
The corresponding current degree of aging of data；
Optionally, the compensating module, is used for:
According to the current degree of aging of each sub-pixel, the penalty coefficient of each sub-pixel is determined；
Using the penalty coefficient of each sub-pixel, the display data of each sub-pixel are compensated.
The third aspect provides a kind of compensation of ageing device of display panel, comprising: processing component, memory and storage
On the memory and the computer program that can run on the processing component, the processing component execute the computer
Aging compensation approach as described in relation to the first aspect is realized when program.
Fourth aspect, provides a kind of display device, the display device include: display panel and such as second aspect or
Compensation of ageing device described in the third aspect.
Fourth aspect provides a kind of computer readable storage medium, is stored in the computer readable storage medium
Instruction, when the computer readable storage medium is run on computers, so that computer executes as described in relation to the first aspect
Aging compensation approach.
Technical solution bring beneficial effect provided by the invention includes at least:
Aging compensation approach, the device of display panel provided in an embodiment of the present invention, can be according to the display surface got
The aging cumulative data of plate determines the current degree of aging of the display panel, and according to the current degree of aging to the display panel
It compensates, therefore improves the luminous efficiency of display panel, enable the display panel that can protect in the different ageing steps
Hold good display effect.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of flow chart of the aging compensation approach of display panel provided in an embodiment of the present invention；
Fig. 2 is the flow chart of the aging compensation approach of another display panel provided in an embodiment of the present invention；
Fig. 3 is the flow chart of the aging compensation approach of another display panel provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of the compensation of ageing device of display panel provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of compensating module provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the compensation of ageing device of another display panel provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is a kind of flow chart of the aging compensation approach of display panel provided in an embodiment of the present invention, and this method can be with
Compensation of ageing device applied to display panel.The display panel may include multiple sub-pixels, and with reference to Fig. 1, this method can be with
Include:
Step 101 adds up to display data of each sub-pixel after display panel is opened for the first time, obtains the display
The aging cumulative data of panel.
The display data of each sub-pixel can be the grayscale value of the sub-pixel.The aging cumulative data of the display panel can
To include the aging cumulative data of each sub-pixel in multiple sub-pixel.Alternatively, the aging cumulative data of the display panel can
Think the aging cumulative data to be added up to the aging cumulative data of multiple sub-pixel.
Step 102, according to the first corresponding relationship of cumulative data and degree of aging, determine that the aging of the display panel is cumulative
The corresponding current degree of aging of data.
It can recorde the range of the corresponding cumulative data of different degree of agings in the corresponding relationship.Compensation of ageing device can
With the range according to locating for its aging cumulative data, current degree of aging is determined.
Step 103 carries out compensation of ageing to the display panel according to the current degree of aging.
After compensation of ageing device determines the current degree of aging of the display panel, aging benefit can be carried out to the display panel
It repays.For example, can be compensated according to display data of the current degree of aging to each sub-pixel.Alternatively, can be according to this
Current degree of aging is adjusted the gamma electric voltage of display panel.Later, compensation of ageing device can be by compensated display
Display data after data, or adjustment gamma electric voltage are exported to drive integrated circult (integrated circuit, IC).It should
Driving IC can drive display panel to show image in turn.
In conclusion the aging compensation approach of display panel provided in an embodiment of the present invention, it can be aobvious according to what is got
Show that the aging cumulative data of panel determines the current degree of aging of the display panel, and according to the current degree of aging to the display
Panel compensates, therefore improves the luminous efficiency of display panel, keeps the display panel equal in the different ageing steps
It is able to maintain good display effect.
Fig. 2 is the flow chart of the aging compensation approach of another display panel provided in an embodiment of the present invention.This method can
To be applied to the compensation of ageing device of display panel, which includes multiple sub-pixels.With reference to Fig. 2, this method be can wrap
It includes:
Step 201 adds up to display data of each sub-pixel after display panel is opened for the first time, obtains every height
The aging cumulative data of pixel.Execute step 202 and step 206.
The display data of each sub-pixel can be the grayscale value of the sub-pixel.Compensation of ageing device can be in real time to each
The display data of each frame of the sub-pixel after display panel is opened for the first time add up, and the aging for obtaining each sub-pixel is cumulative
Data.
It is exemplary, it is assumed that display panel includes M row N column sub-pixel, i.e. display panel includes M × N number of sub-pixel.Then this is old
After change compensation device adds up to the display data of each sub-pixel, available M × N number of sub-pixel aging cumulative number
According to.It is exemplary, it is assumed that the resolution ratio of display panel is 2560 × 1440, i.e. M is 2560, N 1440, then the compensation of ageing device
It can count to obtain the aging cumulative data of 2560 × 1440 sub-pixels.
Step 202 adds up to the aging cumulative data of multiple sub-pixels, obtains the aging cumulative number of the display panel
According to.Execute step 203.
Further, compensation of ageing device can carry out the aging cumulative data of all sub-pixels of display panel tired
Add, obtains the aging cumulative data of the display panel.For example, compensation of ageing device can be cumulative to the aging of M × N number of sub-pixel
Data are added up to obtain the aging cumulative data of display panel, which is referred to as the whole screen of display panel
Aging cumulative data.
Step 203, according to the first corresponding relationship of cumulative data and degree of aging, determine that the aging of the display panel is cumulative
The corresponding current degree of aging of data.Execute step 204.
In embodiments of the present invention, the first of cumulative data and degree of aging can be previously stored in compensation of ageing device
Corresponding relationship.It can recorde the range of the corresponding cumulative data of different degree of agings in first corresponding relationship.Compensation of ageing
Device can the cumulative data according to locating for the aging cumulative data of display panel range, determine the current old of the display panel
Change degree.
Before carrying out compensation of ageing to display panel, can display panel sample to multiple and different degree of agings it is old
Change cumulative data to be detected to obtain first corresponding relationship.For example, for each display panel sample, it can be to the display surface
Display data of each sub-pixel after the display panel sample is opened for the first time add up in plate sample, obtain the display panel
The aging cumulative data of sample.It later, can be raw according to the degree of aging and aging cumulative data of each display panel sample
At first corresponding relationship of the cumulative data and degree of aging.
Exemplary, degree of aging corresponding for the range of each cumulative data can be by least one aging
The display panel sample of degree carries out detection determination.For example, it is assumed that degree of aging to be determined includes the first degree of aging, second
Degree of aging and third degree of aging.Then for the first degree of aging, can first obtaining the k of first degree of aging, (k is positive whole
Number) a display panel sample.Then can the aging cumulative data respectively to each display panel sample detect, be somebody's turn to do
The variation range of the aging cumulative data of k display panel sample, and then the variation range can be determined as to first aging
The range of the corresponding cumulative data of degree.The range of cumulative data corresponding for other degree of agings can use identical
Method detects to obtain.The cumulative data ultimately generated and the first corresponding relationship of degree of aging can be as shown in table 1.
Table 1
| The range of cumulative data | Degree of aging |
| (0, x1) | First degree of aging |
| [x1, x2) | Second degree of aging |
| [x2 ,+∞) | Third degree of aging |
The degree of aging of the first degree of aging to third degree of aging in table 1 can successively increase.Wherein, the first aging
The range of the corresponding cumulative data of degree is (0, x1), be that is to say when the aging cumulative data of display panel is greater than 0 and is less than
When x1, the degree of aging of the display panel is the first degree of aging.The range of aging cumulative data in second degree of aging is
[x1, x2), it that is to say the aging of the display panel when the aging cumulative data of display panel is more than or equal to x1 and is less than x2
Degree is the second degree of aging.The range of aging cumulative data in third degree of aging be [x2 ,+∞), that is to say when display
When the aging cumulative data of panel is more than or equal to x2, the degree of aging of the display panel is third degree of aging.Wherein, third is old
+ ∞ in the corresponding cumulative data range of change degree refers to positive infinity.
Alternatively, the second corresponding relationship of sub-pixel cumulative data Yu sub-pixels ageing degree can also be determined first, then base
First corresponding relationship is obtained in second corresponding relationship.For example, it is assumed that record has each sub-pixel in second corresponding relationship
The range of the corresponding sub-pixel cumulative data of degree of aging.It, can be old by the sub-pixel then for each sub-pixels ageing degree
Degree of aging of the change degree as display panel, and the upper and lower bound of the range of its corresponding sub-pixel cumulative data is distinguished
The number for the sub-pixel for including with display panel is multiplied, and obtains aging cumulative data corresponding to the degree of aging of the display panel
Range.
Sub-pixels ageing degree corresponding for the range of each sub-pixel cumulative data, can be by the degree of aging
Display panel sample carry out detection determination.For example, it is assumed that sub-pixels ageing degree to be determined includes the first degree of aging.Then
For the first degree of aging, can in the display panel sample to first degree of aging each sub-pixel in the display panel sample
Display data after product are opened for the first time add up, and obtain the sub-pixel cumulative number of each sub-pixel in the display panel sample
According to.It later, can be according to the sub- picture of sub-pixels most in the degree of aging and the display panel sample of the display panel sample
The variation range of plain cumulative data determines that the second of a sub- pixel age and the range of sub-pixel cumulative data is corresponding
Relationship.The range of sub-pixel cumulative data corresponding for other sub-pixels ageing degree can be detected using identical method
It obtains, the second corresponding relationship of sub-pixel cumulative data Yu sub-pixels ageing degree can be obtained.Later, can according to this second
The sum of sub-pixel included by corresponding relationship and display panel sample determines first corresponding relationship.
Assuming that the sum of sub-pixel included by display panel sample is M × N, sub-pixels ageing degree is the first aging journey
The range of the corresponding sub-pixel cumulative data of degree is (0, x3), then the upper and lower bound of the range is multiplied with M × N respectively
Afterwards, when the degree of aging of available display panel is the first degree of aging the range of corresponding aging cumulative data be (0,
X1), wherein x1=x3 × M × N.The range of aging cumulative data corresponding for other degree of agings can use identical
Method is calculated, and details are not described herein again.
It is exemplary, it is assumed that the value of x1 is that the value of 1849502160000, x2 is in the first corresponding relationship shown in table 1
4235956560000.If the aging cumulative data for the display panel that compensation of ageing device is got is 357456690000.Then root
According to the first corresponding relationship shown in above-mentioned table 1 it is found that the current degree of aging of the display panel is the second degree of aging.Certainly,
The degree of aging divided in first corresponding relationship specifically, such as can also be divided into 6 degree of agings or 7
A degree of aging, it is not limited in the embodiment of the present invention.
It should be noted that in embodiments of the present invention, compensation of ageing device can after each frame shows data output,
It is performed both by method shown in above-mentioned steps 201 to 203, i.e. compensation of ageing device can detect a display panel every a frame
Current degree of aging.Alternatively, compensation of ageing device can also be every the current degree of aging of display panel of multi frame detection.
Step 204 determines the corresponding target gamma electric voltage of current degree of aging.
In embodiments of the present invention, can be previously stored with degree of aging in compensation of ageing device corresponding with gamma electric voltage
Relationship.After the compensation of ageing device determines the current degree of aging of display panel, it can determine that this is current according to the corresponding relationship
The corresponding target gamma electric voltage of degree of aging.In the corresponding relationship of the degree of aging and gamma electric voltage, the size of gamma electric voltage
It is positively correlated with the height of degree of aging, i.e. when the degree of aging of display panel higher (i.e. aging is more serious), corresponding gamma electricity
It presses bigger.
As display panel uses the growth of time, the degree of aging of display panel can be more serious, the gamma originally set
Voltage can not make display panel after aging reach highest display brightness, it is therefore desirable to adjustment appropriate is carried out to gamma electric voltage, with
Guarantee that display panel can show highest display brightness.Wherein, the highest display brightness L and gamma electric voltage V of display panel are in just
Proportionate relationship.That is gamma electric voltage V is higher, and highest display brightness L is higher.
In embodiments of the present invention, can display panel sample to multiple and different degree of agings carry out brightness adjustment and
Gamma electric voltage detection, obtains the corresponding relationship of the degree of aging and gamma electric voltage.For example, gal corresponding for some degree of aging
Horse voltage, can display panel sample to the degree of aging carry out luminance test, by adjusting the gal of the display panel sample
Horse voltage adjusts the display brightness of the display panel sample to highest display brightness, and detects the display panel sample at this
Gamma electric voltage when highest display brightness, to obtain the corresponding gamma electric voltage of the degree of aging.For other degree of agings pair
The gamma electric voltage answered can detect to obtain using identical method.The degree of aging ultimately generated is corresponding with gamma electric voltage to close
System can be as shown in table 2.
Table 2
| Degree of aging | Gamma electric voltage (V) |
| First degree of aging | 10 |
| Second degree of aging | 10.5 |
| Third degree of aging | 11 |
For reference table 2 as can be seen that when display panel is in the first degree of aging, required gamma electric voltage is 10V, when
When display panel is in the second degree of aging, required gamma electric voltage is 10.5V, when display panel is in third degree of aging
When, required gamma electric voltage is 11V.
It is exemplary, it is assumed that the current degree of aging of the display panel is the second degree of aging, then corresponding shown in reference table 2
Relationship is it was determined that the corresponding target gamma electric voltage of second degree of aging is 10.5V.
The gamma electric voltage of display panel is adjusted to target gamma electric voltage by step 205.
In embodiments of the present invention, the gamma electric voltage of display panel is adjusted to target gamma electric voltage, it is ensured that this is aobvious
Show that panel can reach highest display brightness under the driving of the target gamma electric voltage, it is ensured that the display effect of display panel.
It is exemplary, it is assumed that preset gamma electric voltage is 11V in display panel, and the current degree of aging of the display panel is
Second degree of aging, and the corresponding target gamma electric voltage of second degree of aging is 10.5V, then compensation of ageing device can should
The gamma electric voltage of display panel is adjusted to 10.5V.
Optionally, if target gamma electric voltage and the preset gamma electric voltage of display panel that compensation of ageing device is determined
Identical, i.e., degree of aging when the current degree of aging of display panel is detected with the last time is identical, then may not need to the display
The gamma electric voltage of panel is adjusted.
Step 206, according to the second corresponding relationship of sub-pixel cumulative data and the degree of aging of sub-pixel, determine respectively every
The corresponding sub-pixels ageing degree of the aging cumulative data of a sub-pixel.
In embodiments of the present invention, can also be stored in compensation of ageing device sub-pixel cumulative data with it is sub-pixels ageing
Second corresponding relationship of degree.It can recorde the cumulative number of the corresponding sub-pixel of different degree of agings in second corresponding relationship
According to range.Compensation of ageing device can the range according to locating for the aging cumulative data of each sub-pixel, determine the sub-pixel
Sub-pixels ageing degree.
Wherein, the process for generating second corresponding relationship can be with reference to the associated description in above-mentioned steps 203, herein no longer
It repeats.
Exemplary, the second corresponding relationship of the sub-pixel cumulative data and sub-pixels ageing degree can be as shown in table 3.Its
In, the range of sub-pixel cumulative data when being (0, x3) corresponding sub-pixels ageing degree be the first degree of aging.Sub-pixel is tired
The range of addend evidence be [x3, x4) when corresponding sub-pixels ageing degree be the second degree of aging.The model of sub-pixel cumulative data
Enclose for [x4 ,+∞) when corresponding sub-pixels ageing degree be third degree of aging.
Table 3
| Sub-pixel cumulative data | Sub-pixels ageing degree |
| (0, x3) | First degree of aging |
| [x3, x4) | Second degree of aging |
| [x4 ,+∞) | Third degree of aging |
It is exemplary, it is assumed that the value that the value of x3 is 501710, x4 in corresponding relationship shown in table 3 is 1149077.If old
The sub-pixel cumulative data for changing some sub-pixel in the display panel that compensation device is got is 694233.Then according to above-mentioned table 3
Shown in the second corresponding relationship it is found that the sub-pixel sub-pixels ageing degree be the second degree of aging.
Step 207, by multiple sub-pixels, the sub-pixels ageing degree sub-pixel different from current degree of aging is determined as
Difference sub-pixel.
In embodiments of the present invention, compensation of ageing device can successively detect the sub-pixels ageing degree of each sub-pixel with
Whether the current degree of aging of the display panel is identical, and son that can be different from current degree of aging by sub-pixels ageing degree
Pixel is determined as difference sub-pixel.
It is exemplary, it is assumed that the degree of aging for the display panel that first corresponding relationship is determined according to shown in table 1 is second
Degree of aging, and the sub-pixels ageing degree for the Y sub-pixel that second corresponding relationship according to shown in table 3 is determined is first
Degree of aging, then the Y sub-pixel can be determined as difference sub-pixel by compensation of ageing device.Wherein, Y is no more than M × N's
Positive integer.
Step 208, according to the sub-pixels ageing degree of each difference sub-pixel, determine the compensation system of each difference sub-pixel
Number.
In above-mentioned steps 204, the degree of aging that compensation of ageing device is determined according to display panel is to the display panel
Gamma electric voltage adjusted.Be exactly, to all sub-pixels in display panel be all made of identical gamma electric voltage into
Row adjustment.But since the sub-pixels ageing degree of difference sub-pixel and the current degree of aging of the display panel be not identical,
Difference sub-pixel cannot be fully compensated using identical gamma electric voltage.Therefore, which is needed according to benefit
It repays coefficient to compensate the display data of the difference sub-pixel again, enables the display brightness of compensated difference sub-pixel
Enough reach highest display brightness.
When display panel is a bit (bit), which can show 2aA luminance level, the i.e. display panel
It can show 2aGrayscale.The grayscale G and display brightness L of display panel sub-pixelGIt can satisfy:
Wherein, 2 LaThe display brightness (i.e. the highest display brightness of display panel) of grayscale, γ are the gamma of display panel
Value, value are generally 2.2.
In embodiments of the present invention, not due to the degree of aging of the sub-pixels ageing degree of difference sub-pixel and display panel
Unanimously, after therefore the gamma electric voltage of display panel being adjusted to target gamma electric voltage, the display brightness meeting of difference sub-pixel and its
His display brightness of non-difference sub-pixel is inconsistent, needs to compensate the display data G of the difference sub-pixel, makes its display
Brightness and the display brightness of non-difference sub-pixel are consistent.
If the display brightness (display brightness of i.e. non-difference sub-pixel) of display panel is L ', difference sub-pixel after compensation
Display brightness is L ".In order to keep the display brightness L " of difference sub-pixel consistent with the display brightness L ' of non-difference sub-pixel, according to
Above-mentioned formula (1) is it is found that the display data G of the difference sub-pixel should meet with compensated display data G ':
Wherein, L1For the highest display brightness of non-difference sub-pixel, L2For the gamma electric voltage of display panel is adjusted to refer to
When gamma electric voltage, the highest display brightness of difference sub-pixel, this is the sub-pixels ageing journey of difference sub-pixel with reference to gamma electric voltage
Spend corresponding gamma electric voltage.Met according to the penalty coefficient k of the available difference sub-pixel of above-mentioned formula (2):
Wherein,Refer to L2With L1Ratio open γ power.Due to the highest of sub-pixel each in display panel
Display brightness L and gamma electric voltage V's is square directly proportional, therefore may further determine that difference sub-pixel according to above-mentioned formula (3)
Penalty coefficient k meet:
V1For the target gamma electric voltage of display panel, V2For the corresponding reference of sub-pixels ageing degree of the difference sub-pixel
Gamma electric voltage.
In embodiments of the present invention, for each difference sub-pixel, compensation of ageing device can be according to degree of aging and gal
The corresponding relationship of horse voltage determines that the sub-pixels ageing degree of each difference sub-pixel is corresponding with reference to gamma electric voltage.And then it can
To refer to gamma electric voltage, root according to the sub-pixels ageing degree of the target gamma electric voltage and each difference sub-pixel is corresponding
The penalty coefficient of each difference sub-pixel is determined according to above-mentioned formula (4).
It is exemplary, it is assumed that the degree of aging for some difference sub-pixel that compensation of ageing device is determined is the first aging journey
Degree, and the degree of aging of display panel is the second degree of aging.The target gamma electric voltage V of display panel1For 10.5V, difference
The sub-pixels ageing degree of pixel is corresponding to refer to gamma electric voltage V2For 10V.Above-mentioned formula (4) then are referred to, available compensation
Coefficient:
Step 209, using the penalty coefficient of each difference sub-pixel, the display data of each difference sub-pixel are mended
It repays.
Compensation of ageing device can be with the penalty coefficient k of each difference sub-pixel obtained by calculation, to corresponding difference
The display data G of sub-pixel is compensated, compensated display data G ' satisfaction:
G '=G × k formula (5)
It is exemplary, for the difference sub-pixel of the first degree of aging, it is assumed that its grayscale value G is 1023, then compensation of ageing fills
Grayscale value G can be compensated using penalty coefficient k=0.9566 by setting, compensated grayscale value G ' satisfaction: G '=1023
×0.9566≈978.It that is to say, display brightness of the difference sub-pixel in the first degree of aging in 978 grayscale, with non-difference
Display brightness of the different sub-pixel when grayscale value is 1023 is identical.
It should be noted that the sequencing of the step of aging compensation approach of display panel provided in an embodiment of the present invention
Appropriate adjustment can be carried out, step according to circumstances can also accordingly be increased and decreased, such as step 206 to step 209 can basis
Situation is deleted, i.e., the aging cumulative data that display panel can be used in the compensation of ageing device determines degree of aging, by this
The gamma electric voltage that degree of aging is determined compensates.Or step 206 can also execute before step 202.It is any to be familiar with
In the technical scope that the disclosure discloses, the method that can readily occur in variation should all cover those skilled in the art
Within the protection scope of the disclosure, therefore repeat no more.
In conclusion the aging compensation approach of display panel provided in an embodiment of the present invention, it can be aobvious according to what is got
Show that the aging cumulative data of panel determines the current degree of aging of the display panel, and according to the current degree of aging to the display
Panel compensates, therefore improves the luminous efficiency of display panel, keeps the display panel equal in the different ageing steps
It is able to maintain good display effect.Also, method provided in an embodiment of the present invention can also determine the aging with display panel
The difference sub-pixel that degree has differences, and the display data of difference sub-pixel are compensated using penalty coefficient, it ensure that
The homogeneity of display panel display brightness.The embodiment of the present invention is commonly available to most of sub-pixels in display panel and is in same
The case where one degree of aging, it can be suitable for the preferable display panel of display brightness homogeneity.
Fig. 3 is the flow chart of the aging compensation approach of another display panel provided in an embodiment of the present invention.Such as Fig. 3 institute
Show, this method comprises:
Step 301 adds up to display data of each sub-pixel after display panel is opened for the first time, obtains every height
The aging cumulative data of pixel.
The display data of each sub-pixel can be the grayscale value of the sub-pixel.Compensation of ageing device can be in real time to each
The display data of each frame of the sub-pixel after display panel is opened for the first time add up, and the aging for obtaining each sub-pixel is cumulative
Data.
Assuming that display panel includes M row N column sub-pixel, i.e. display panel includes M × N number of sub-pixel.The then compensation of ageing
After device adds up to the display data of each sub-pixel, available M × N number of aging cumulative data.It is exemplary, it is assumed that aobvious
The resolution ratio for showing panel is 2560 × 1440, i.e. M is 2560, N 1440, then the compensation of ageing device can count to obtain 2560
The aging cumulative data of × 1440 sub-pixels.
Step 302, the first corresponding relationship according to the degree of aging of the cumulative data and sub-pixel of sub-pixel, determine respectively
The corresponding current degree of aging of the aging cumulative data of each sub-pixel.
In embodiments of the present invention, it can store the aging of sub-pixel cumulative data and sub-pixel in compensation of ageing device
First corresponding relationship of degree.It can recorde the cumulative number of the corresponding sub-pixel of different degree of agings in first corresponding relationship
According to range.Compensation of ageing device can the range according to locating for the sub-pixel cumulative data of its sub-pixel, determine sub-pixel
Current degree of aging.
It optionally, can be in display panel before each sub-pixel progress compensation of ageing, to multiple and different aging journeys
The sub-pixel cumulative data of each sub-pixel is detected to obtain first corresponding relationship in the display panel sample of degree.For example,
It, can be to each sub-pixel in the display panel sample in the display panel sample for the display panel sample of some degree of aging
Display data after product are opened for the first time add up, and obtain the sub-pixel cumulative number of each sub-pixel in the display panel sample
According to.It later, can be according to the sub- picture of each sub-pixel in the degree of aging and the display panel sample of the display panel sample
The variation range of plain cumulative data determines the first corresponding relationship of the range of a degree of aging and sub-pixel cumulative data.
It is exemplary, it, can be by right for the degree of aging of the corresponding sub-pixel of range of each sub-pixel cumulative data
The display panel sample of at least one degree of aging carries out detection determination.For example, it is assumed that degree of aging to be determined includes the
One degree of aging.Then for first degree of aging, the display panel sample of first degree of aging can be first obtained, and to this
The sub-pixel cumulative data of each sub-pixel is detected in display panel sample, obtains each height picture in the display panel sample
The variation range of the sub-pixels ageing cumulative data of element, and then it is corresponding that the variation range can be determined as to first degree of aging
Sub-pixel cumulative data range.The range of sub-pixel cumulative data corresponding for other degree of agings can use phase
Same method detects to obtain.First corresponding relationship of the degree of aging of sub-pixel cumulative data and sub-pixel that this is ultimately generated can
With as shown in table 4.
Table 4
| The range of sub-pixel cumulative data | The degree of aging of sub-pixel |
| (0, z1) | First degree of aging |
| [z1, z2) | Second degree of aging |
| [z2 ,+∞) | Third degree of aging |
The degree of aging of the first degree of aging to third degree of aging in table 4 successively increases.Wherein, sub-pixel cumulative number
According to range be (0, z1) when corresponding degree of aging be the first degree of aging.The range of sub-pixel cumulative data be [z1, z2)
When corresponding degree of aging be the second degree of aging.The range of sub-pixel cumulative data be [z3 ,+∞) when corresponding degree of aging
For third degree of aging.
It is exemplary, it is assumed that the value that the value of z1 is 501710, z2 in the first corresponding relationship shown in table 4 is 1149077.
If the sub-pixel cumulative data for some sub-pixel that compensation of ageing device is got is 2150123.Then compensation of ageing device according to
First corresponding relationship shown in above-mentioned table 4 can determine that the current degree of aging of the sub-pixel is third degree of aging.Certainly,
The degree of aging of the sub-pixel divided in first corresponding relationship specifically, such as can also be divided into 6 agings
Degree or 7 degree of agings, it is not limited in the embodiment of the present invention.
It should be noted that in embodiments of the present invention, compensation of ageing device can after each frame shows data output,
It is performed both by method shown in above-mentioned steps 301 and 302, i.e. compensation of ageing device can detect primary each sub-pixel every a frame
Current degree of aging.Alternatively, compensation of ageing device can also be every the current degree of aging of the primary each sub-pixel of multi frame detection.
Step 303, the current degree of aging according to each sub-pixel, determine the penalty coefficient of each sub-pixel.
As display panel uses the growth of time, the luminous efficiency of each sub-pixel can be reduced in display panel, show
Brightness can reduce therewith, and the display brightness of each sub-pixel may be different.Therefore, each sub-pixel is needed according to compensation system
It is several that the sub-pixel is compensated, it is consistent the display brightness of compensated each sub-pixel, it is aobvious to improve display panel
Show the homogeneity of brightness.Since the degree of aging of sub-pixel each in display panel may be inconsistent, to different aging journeys
The sub-pixel of degree needs to compensate using different penalty coefficients.
When determining the penalty coefficient of each sub-pixel, the corresponding gal of current degree of aging of the sub-pixel can be first determined
Horse voltage V2, later can be according to gamma electric voltage V2The gamma electric voltage V current with display panel1Between proportionate relationship, reference
Above-mentioned formula (4) determines the penalty coefficient k of the sub-pixel.
It is exemplary, it is assumed that the current gamma electric voltage V for the display panel that compensation of ageing device detects1For 11V, some
The current degree of aging of sub-pixel is the second degree of aging.Then the corresponding relationship according to shown in table 2 is it was determined that second aging
The corresponding gamma electric voltage V of degree2For 10.5V.The penalty coefficient k of the sub-pixel can then be calculated according to above-mentioned formula (4)
Are as follows:
Penalty coefficient corresponding for the sub-pixel of other degree of agings can be obtained using identical method.This is final
The degree of aging of obtained sub-pixel and the corresponding relationship of penalty coefficient can be as shown in table 5.
Table 5
| Degree of aging | Penalty coefficient k |
| First degree of aging | 0.9170 |
| Second degree of aging | 0.9586 |
| Third degree of aging | 1 |
Reference table 5 can be seen that when the current degree of aging of some sub-pixel is the first degree of aging, penalty coefficient k
It is 0.9170.When the current degree of aging of some sub-pixel is the second degree of aging, penalty coefficient k is 0.9586.When some
When the current degree of aging of sub-pixel is third degree of aging, penalty coefficient k is 1.
In embodiments of the present invention, compensation of ageing device can generate the son before compensating to display panel in advance
The degree of aging of pixel and the corresponding relationship of penalty coefficient.During actually carrying out compensation of ageing, can directly basis it be somebody's turn to do
Corresponding relationship determines the penalty coefficient of the sub-pixel of different degree of agings.Alternatively, compensation of ageing device can also be to display surface
When plate compensates, further according to the current degree of aging of each sub-pixel, the penalty coefficient of each sub-pixel is calculated.
Optionally, if compensation of ageing device determines that the penalty coefficient of some sub-pixel is 1, i.e., the sub-pixel is current old
Degree of aging when change degree is detected with the last time is identical, then without compensating to the display data of the sub-pixel.
Step 304, using the penalty coefficient of each sub-pixel, the display data of each sub-pixel are compensated.
It, can be according to penalty coefficient k and sub-pixel compensation front and back after the penalty coefficient for determining each sub-pixel
Display data between proportionate relationship, the compensated display data of the sub-pixel are determined with reference to above-mentioned formula (5).
It is exemplary, for the sub-pixel of the second degree of aging, it is assumed that its grayscale value G is 800, then compensation of ageing device can be with
Grayscale value G is compensated using penalty coefficient k=0.9586, compensated grayscale G ' satisfaction: G '=800 × 0.9586 ≈
767.It is possible thereby to make display brightness of the sub-pixel in the second degree of aging in 767 grayscale, with the son without compensation
Display brightness of the pixel when grayscale value is 800 is identical.
It should also be noted that, the step of aging compensation approach of display panel provided in an embodiment of the present invention is successive suitable
Sequence can carry out appropriate adjustment, and step according to circumstances can also accordingly be increased and decreased.Any technology people for being familiar with the art
Member in the technical scope disclosed by the present invention, the method that variation can be readily occurred in, should all cover protection scope of the present invention it
It is interior, therefore repeat no more.
In conclusion the aging compensation approach of display panel provided in an embodiment of the present invention, it can be according to the son of sub-pixel
Pixel cumulative data determines the current degree of aging of the sub-pixel, according to the degree of aging of the sub-pixel of each sub-pixel using not
Same penalty coefficient compensates each sub-pixel.Method provided in an embodiment of the present invention makes the degree of aging in sub-pixel
It is also different to the degree of compensation of sub-pixel when different, the luminous efficiency of display panel is thus not only increased, and ensure that aobvious
Show the homogeneity of Display panel brightness.The degree of aging that the embodiment of the present invention is commonly available to the sub-pixel in display panel relatively divides
Scattered situation, it can the display panel poor suitable for display brightness homogeneity.
The embodiment of the invention also provides a kind of compensation of ageing device of display panel, which includes multiple sub- pictures
Element, as shown in figure 4, the apparatus may include:
Accumulator module 401, it is tired for being carried out to display data of each sub-pixel after the display panel is opened for the first time
Add, obtains the aging cumulative data of the display panel.
First determining module 402 determines the display surface for the first corresponding relationship according to cumulative data and degree of aging
The corresponding current degree of aging of the aging cumulative data of plate.
Compensating module 403, for carrying out compensation of ageing to the display panel according to the current degree of aging.
Optionally, which can be used for:
It adds up to display data of each sub-pixel after the display panel is opened for the first time, obtains each sub-pixel
Aging cumulative data.
It adds up to the aging cumulative data of multiple sub-pixel, obtains the aging cumulative data of the display panel.
Fig. 5 is a kind of structural schematic diagram of compensating module provided in an embodiment of the present invention, as shown in figure 5, the compensating module
403 may include:
Submodule 4031 is determined, for determining the corresponding target gamma electric voltage of the current degree of aging.
Adjusting submodule 4032, for the gamma electric voltage of the display panel to be adjusted to the target gamma electric voltage.
Optionally, the first corresponding relationship is the cumulative data pass corresponding with the degree of aging of display panel of display panel
System.As shown in fig. 6, the device can also include:
Second determining module 404, for being carried out according to the current degree of aging to the display panel in the compensating module 403
Before compensation of ageing, according to the second corresponding relationship of the cumulative data of sub-pixel and the degree of aging of sub-pixel, determine respectively every
The corresponding sub-pixels ageing degree of the aging cumulative data of a sub-pixel.
Third determining module 405, for the gamma electric voltage of the display panel to be adjusted to this in the adjusting submodule 4032
After target gamma electric voltage, by multiple sub-pixel, the sub-pixels ageing degree sub-pixel different from the current degree of aging
It is determined as difference sub-pixel.
4th determining module 406 determines each difference for the sub-pixels ageing degree according to each difference sub-pixel
The penalty coefficient of sub-pixel.
The compensating module 403 can be also used for adjusting the gamma electric voltage of the display panel in the adjusting submodule 4032
After the target gamma electric voltage, using the penalty coefficient of each difference sub-pixel, to the display data of each difference sub-pixel
It compensates.
Optionally, the 4th determining module 406 can be used for:
Determine that the sub-pixels ageing degree of each difference sub-pixel is corresponding with reference to gamma electric voltage；
It is corresponding with reference to gamma electricity according to the sub-pixels ageing degree of the target gamma electric voltage and each difference sub-pixel
Pressure determines that the penalty coefficient of each difference sub-pixel, the penalty coefficient are positively correlated with this with reference to gamma electric voltage.
Optionally, determine that submodule 4032 can be used for:
According to the corresponding relationship of degree of aging and gamma electric voltage, the corresponding target gamma electricity of the current degree of aging is determined
Pressure.
Wherein, the corresponding gamma electric voltage of each degree of aging is that the display panel of the degree of aging is showing that it is bright that highest is shown
Gamma electric voltage when spending.
Optionally, accumulator module 401 can be also used for:
It adds up to display data of each sub-pixel after the display panel is opened for the first time, obtains each sub-pixel
Aging cumulative data.
First corresponding relationship be sub-pixel cumulative data and sub-pixel degree of aging corresponding relationship, this first really
Cover half block 402 can be used for:
According to the first corresponding relationship of cumulative data and degree of aging, the aging cumulative number of each sub-pixel is determined respectively
According to corresponding current degree of aging.
Optionally, compensating module 403 can be used for:
According to the current degree of aging of each sub-pixel, the penalty coefficient of each sub-pixel is determined.
Using the penalty coefficient of each sub-pixel, the display data of each sub-pixel are compensated.
In conclusion the compensation of ageing device of display panel provided in an embodiment of the present invention, can be obtained by accumulator module
The aging cumulative data for getting display panel determines that the aging cumulative data of the display panel is corresponding by the first determining module
Current degree of aging, and the display panel is compensated according to current degree of aging using compensating module, improve display surface
The luminous efficiency of plate enables the display panel to be able to maintain good display effect in the different ageing steps.
It is apparent to those skilled in the art that for convenience and simplicity of description, the device of foregoing description,
The specific work process of module and submodule, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
The embodiment of the invention also provides the compensation of ageing device of another display panel, the apparatus may include: processing
Component, memory and it is stored in the computer program that can be run on the memory and on processing component, which can be with
For processing circuit or processing unit, which may be implemented above method embodiment when executing the computer program and is provided
Display panel aging compensation approach.
In embodiments of the present invention, which can be control chip stand-alone integrated in display device, or
Person can integrate on the System on Chip/SoC (system on chip, SOC) or video card of display device；Or the compensation of ageing
Device can be sequence controller (timing controller, TCON) or the micro-control unit for being integrated in TCON
In (microcontroller Unit, MCU).
The embodiment of the invention also provides a kind of display device, the display device may include: display panel and as above
The compensation of ageing device.The display device can be with are as follows: liquid crystal display panel, Electronic Paper, oled panel, AMOLED panel, mobile phone,
Any product having a display function such as tablet computer, television set, display, laptop, Digital Frame, navigator or portion
Part.
The present invention also provides a kind of computer readable storage medium, finger is stored in the computer readable storage medium
It enables, when the computer readable storage medium is run on computers, so that computer executes compensation of ageing side as described above
Method.
The foregoing is merely alternative embodiments of the invention, are not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of aging compensation approach of display panel, which is characterized in that the display panel includes multiple sub-pixels, the side
Method includes:
It adds up to display data of each sub-pixel after the display panel is opened for the first time, obtains the display surface
The aging cumulative data of plate；
According to the first corresponding relationship of cumulative data and degree of aging, determine that the aging cumulative data of the display panel is corresponding
Current degree of aging；
Compensation of ageing is carried out to the display panel according to the current degree of aging.
2. the method according to claim 1, wherein described first in the display panel to each sub-pixel
Display data after secondary unlatching add up, and obtain the aging cumulative data of the display panel, comprising:
It adds up to display data of each sub-pixel after the display panel is opened for the first time, obtains each son
The aging cumulative data of pixel；
It adds up to the aging cumulative data of the multiple sub-pixel, obtains the aging cumulative data of the display panel；
It is described that compensation of ageing is carried out to the display panel according to the current degree of aging, comprising:
Determine the corresponding target gamma electric voltage of the current degree of aging；
The gamma electric voltage of the display panel is adjusted to the target gamma electric voltage.
3. according to the method described in claim 2, it is characterized in that, first corresponding relationship is the cumulative data of display panel
With the corresponding relationship of the degree of aging of display panel；Aging benefit is being carried out to the display panel according to the current degree of aging
Before repaying, the method also includes:
According to the second corresponding relationship of the cumulative data of sub-pixel and the degree of aging of sub-pixel, each sub- picture is determined respectively
The corresponding sub-pixels ageing degree of aging cumulative data of element；
After the gamma electric voltage of the display panel is adjusted to the target gamma electric voltage, the method also includes:
By in the multiple sub-pixel, the sub-pixels ageing degree sub-pixel different from the current degree of aging is determined as difference
Sub-pixel；
According to the sub-pixels ageing degree of each difference sub-pixel, the penalty coefficient of each difference sub-pixel is determined；
Using the penalty coefficient of each difference sub-pixel, the display data of each difference sub-pixel are compensated.
4. according to the method described in claim 3, it is characterized in that, the sub-pixel according to each difference sub-pixel is old
Change degree determines the penalty coefficient of each difference sub-pixel, comprising:
Determine that the sub-pixels ageing degree of each difference sub-pixel is corresponding with reference to gamma electric voltage；
Gamma is referred to according to the sub-pixels ageing degree of the target gamma electric voltage and each difference sub-pixel is corresponding
Voltage determines that the penalty coefficient of each difference sub-pixel, the penalty coefficient and the reference gamma electric voltage are positively correlated.
5. according to the method described in claim 2, it is characterized in that, the corresponding target gal of the determination current degree of aging
Horse voltage, comprising:
According to the corresponding relationship of degree of aging and gamma electric voltage, the corresponding target gamma electric voltage of the current degree of aging is determined；
Wherein, the corresponding gamma electric voltage of each degree of aging is the display panel of the degree of aging in display highest display brightness
When gamma electric voltage.
6. the method according to claim 1, wherein described first in the display panel to each sub-pixel
Display data after secondary unlatching add up, and obtain the aging cumulative data of the display panel, comprising:
It adds up to display data of each sub-pixel after the display panel is opened for the first time, obtains each son
The aging cumulative data of pixel；
First corresponding relationship is the corresponding relationship of the cumulative data of sub-pixel and the degree of aging of sub-pixel, and the basis is tired
Addend determines the corresponding current aging journey of the aging cumulative data of the display panel according to the first corresponding relationship with degree of aging
Degree, comprising:
According to the first corresponding relationship of cumulative data and degree of aging, the aging cumulative data of each sub-pixel is determined respectively
Corresponding current degree of aging；
It is described that compensation of ageing is carried out to the display panel according to the current degree of aging, comprising:
According to the current degree of aging of each sub-pixel, the penalty coefficient of each sub-pixel is determined；
Using the penalty coefficient of each sub-pixel, the display data of each sub-pixel are compensated.
7. a kind of compensation of ageing device of display panel, which is characterized in that the display panel includes multiple sub-pixels, the dress
It sets and includes:
Accumulator module, for adding up to display data of each sub-pixel after the display panel is opened for the first time,
Obtain the aging cumulative data of the display panel；
First determining module determines the display panel for the first corresponding relationship according to cumulative data and degree of aging
The corresponding current degree of aging of aging cumulative data；
Compensating module, for carrying out compensation of ageing to the display panel according to the current degree of aging.
8. device according to claim 7, which is characterized in that the accumulator module is used for:
It adds up to display data of each sub-pixel after the display panel is opened for the first time, obtains each son
The aging cumulative data of pixel；
It adds up to the aging cumulative data of the multiple sub-pixel, obtains the aging cumulative data of the display panel；
The compensating module, comprising:
Submodule is determined, for determining the corresponding target gamma electric voltage of the current degree of aging；
Adjusting submodule, for the gamma electric voltage of the display panel to be adjusted to the target gamma electric voltage.
9. a kind of display device, which is characterized in that the display device includes: display panel and as described in claim 7 or 8
Compensation of ageing device.
10. a kind of computer readable storage medium, which is characterized in that instruction is stored in the computer readable storage medium,
When the computer readable storage medium is run on computers, so that computer is executed as described in claim 1 to 6 is any
Aging compensation approach.
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| CN111063320A (en) * | 2019-12-04 | 2020-04-24 | 深圳市华星光电半导体显示技术有限公司 | Display panel aging compensation method, device and system and display device |
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