CN106847157A - The luminance compensation method and device of a kind of display panel - Google Patents

The luminance compensation method and device of a kind of display panel Download PDF

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Publication number
CN106847157A
CN106847157A CN201710184814.9A CN201710184814A CN106847157A CN 106847157 A CN106847157 A CN 106847157A CN 201710184814 A CN201710184814 A CN 201710184814A CN 106847157 A CN106847157 A CN 106847157A
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value
sub
pixel
compensation
corresponding
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CN201710184814.9A
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CN106847157B (en
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边青
吕博嘉
孔祥梓
杨斌
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上海天马有机发光显示技术有限公司
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/02Improving the quality of display appearance
    • G09G2320/0271Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/06Adjustment of display parameters
    • G09G2320/0626Adjustment of display parameters for control of overall brightness

Abstract

The invention discloses the luminance compensation method and device of a kind of display panel, for each preset gray scale value, the method includes:Preset gray scale is input into, to input identical preset gray scale value in each sub-pixel;Luminance acquisition, obtains the intrinsic brilliance value that each sub-pixel shows;Gray scale compensation, if the percentage that the intrinsic brilliance value that there is sub-pixel deviates target brightness value is more than predetermined threshold value, intrinsic brilliance value then according to each sub-pixel, target brightness value and default GTG stepping value comparison table, determine the corresponding compensation grey decision-making of each sub-pixel;Compensation GTG input, corresponding compensation grey decision-making is input into each sub-pixel;The step of repetition luminance acquisition, gray scale compensation and compensation GTG are input into, until the percentage that the intrinsic brilliance value corresponding to the compensation grey decision-making of each sub-pixel deviates target brightness value is respectively less than predetermined threshold value.The corresponding compensation grey decision-making of each sub-pixel is determined by tabling look-up, and target brightness value is constantly approached by repeatedly compensation, luminance compensation result is relatively reliable.

Description

The luminance compensation method and device of a kind of display panel

Technical field

The present invention relates to display technology field, the luminance compensation method and device of espespecially a kind of display panel.

Background technology

Under current technological process, display device, such as liquid crystal display (Liquid Crystal Display, LCD), or organic electroluminescent LED (Organic Light Emitting Diode, OLED) display device etc., there is sky Between upper and temporal non-uniformity problem, and as the change of display device size is big, problems are exposed more substantially, Therefore the display inhomogeneities of display device is solved as one of indispensable key technology in volume production.

There is various levels of brightness compensation way in the prior art, for example, thin film transistor (TFT) (Thin Film Transistor, TFT) the compensation way in loop, outside voltage x current compensation, or optical compensation etc., there is following lacking in this several compensation way Point:

The compensation way in TFT loops, generally requires to design more complicated image element circuit to realize the threshold deviation to TFT pipes Compensation, complicated circuit structure increased the difficulty realized in technique, and complicated image element circuit limits the face of light-emitting zone Product, thus cannot just realize the picture element density ((pixels per inch, PPI) of image higher;Outside voltage x current is mended Repay mode, it is necessary to design the circuit of periphery to monitor the voltage or electric current of pixel, and need panel itself to give cooperation, pull out For the signal that monitoring is used, this adds increased the complexity of circuit, it is unfavorable for accomplishing narrow frame;Existing optical compensation scheme It is all based on the data that optical capturing equipment has been collected to be processed, data handling procedure is more complicated, and the benefit for obtaining Repay effect poor.

The content of the invention

The embodiment of the present invention provides a kind of luminance compensation method and device of display panel, is used to solve deposit in the prior art Luminance compensation mode circuit it is more complicated, or the poor problem of compensation effect.

A kind of luminance compensation method of display panel is the embodiment of the invention provides, including:

Luminance compensation is carried out to the display panel using multiple preset gray scale values, each described preset gray scale value is obtained The compensation grey decision-making of corresponding each sub-pixel;

According to the compensation grey decision-making of the corresponding each sub-pixel of each described preset gray scale value for obtaining, it is determined that all The corresponding each sub-pixel of grey decision-making compensation grey decision-making;

Wherein, for preset gray scale value each described, luminance compensation is carried out to the display panel by the following method:

Preset gray scale is input into, to preset gray scale value described in input identical in each sub-pixel;

Luminance acquisition, obtains the intrinsic brilliance value that each sub-pixel shows;

Gray scale compensation, if the percentage that the intrinsic brilliance value that there is the sub-pixel deviates target brightness value is more than default threshold Value, then intrinsic brilliance value according to each sub-pixel, the target brightness value and default GTG stepping value comparison table, really Determine the corresponding compensation grey decision-making of each sub-pixel;

Compensation GTG input, corresponding compensation grey decision-making is input into each sub-pixel;

The step of repetition luminance acquisition, the gray scale compensation and the compensation GTG are input into, until each sub- picture The percentage that intrinsic brilliance value corresponding to the compensation grey decision-making of element deviates the target brightness value is respectively less than the predetermined threshold value.

In a kind of possible implementation, in above-mentioned luminance compensation method provided in an embodiment of the present invention, described According to the intrinsic brilliance value of each sub-pixel, the target brightness value, and default GTG stepping value comparison table, each institute is determined The corresponding compensation grey decision-making of sub-pixel is stated, including:

Intrinsic brilliance value according to each sub-pixel deviates the percentage of the target brightness value, in the GTG stepping The corresponding adjustment step value of each sub-pixel is searched in value comparison table;

According to the corresponding adjustment step value of each sub-pixel, and the preset gray scale value, each sub-pixel is determined Corresponding compensation grey decision-making.

In a kind of possible implementation, in above-mentioned luminance compensation method provided in an embodiment of the present invention, the ash Step enters value comparison table to be included:Multiple intrinsic brilliance values deviate the percentage range of the target brightness value, and each institute State the corresponding adjustment step value of percentage range;

The percentage for deviateing the target brightness value according to the intrinsic brilliance value of each sub-pixel, in the GTG The corresponding adjustment step value of each sub-pixel is searched in stepping value comparison table, including:

Intrinsic brilliance value according to each sub-pixel deviates the percentage of the target brightness value, determines each sub- picture The corresponding percentage range of element;

According to the corresponding percentage range of each sub-pixel, the corresponding adjustment step value of each sub-pixel is determined.

In a kind of possible implementation, in above-mentioned luminance compensation method provided in an embodiment of the present invention, the ash The corresponding relation of percentage range that step enters in value comparison table and adjustment step value is:

a<When 1%, b=0;1%≤a<When 2%, b=1;2%≤a<When 3%, b=2;3%≤a<When 5%, b=3; 5%≤a<When 10%, b=4;During a >=10%, b=5;

Wherein, a represents that intrinsic brilliance value deviates the percentage of target brightness value, and b represents adjustment step value;

The percentage for deviateing the target brightness value according to the intrinsic brilliance value of each sub-pixel, in the GTG The corresponding adjustment step value of each sub-pixel is searched in stepping value comparison table, is specifically included:

Judge that whether the intrinsic brilliance value of each sub-pixel deviates the percentage of the target brightness value less than 1%;

If so, then the corresponding adjustment step value of the sub-pixel is 0;If it is not, the intrinsic brilliance value then according to the sub-pixel is inclined Percentage range where the percentage of the target brightness value, determines corresponding adjustment step value.

In a kind of possible implementation, in above-mentioned luminance compensation method provided in an embodiment of the present invention, the ash Step enters value comparison table to be included:The different sub- table of comparisons of multiple brightness degrees;Wherein,

Each sub- table of comparisons includes:The intrinsic brilliance value deviates the percentage range of the target brightness value, and The corresponding adjustment step value of each percentage range;

In identical percentage range, adjustment step value is with the increase of brightness degree in the trend for increasing;

The percentage for deviateing the target brightness value according to the intrinsic brilliance value of each sub-pixel, in the GTG The corresponding adjustment step value of each sub-pixel is searched in stepping value comparison table, including:

The corresponding brightness degree of intrinsic brilliance value of each sub-pixel is determined, to determine the corresponding sub- table of comparisons;

Intrinsic brilliance value according to each sub-pixel deviates the percentage of the target brightness value, described in determining In the sub- table of comparisons, the corresponding percentage range of each sub-pixel is searched;

According to the corresponding percentage range of each sub-pixel, the corresponding adjustment step value of each sub-pixel is determined.

It is described pre- in above-mentioned luminance compensation method provided in an embodiment of the present invention in a kind of possible implementation If the corresponding target brightness value of grey decision-making is the average value of the intrinsic brilliance value of each sub-pixel under the preset gray scale.

In a kind of possible implementation, in above-mentioned luminance compensation method provided in an embodiment of the present invention, described According to the compensation grey decision-making of the corresponding each sub-pixel of each described preset gray scale value for obtaining, all of grey decision-making pair is determined The compensation grey decision-making of each described sub-pixel answered, including:

According to the compensation grey decision-making of the corresponding each sub-pixel of each described preset gray scale value for obtaining, by difference Computing obtains the compensation grey decision-making of the corresponding each sub-pixel of all of grey decision-making.

The embodiment of the present invention additionally provides a kind of luminance compensating mechanism of display panel, including:

First compensating module, for carrying out luminance compensation to the display panel using multiple preset gray scale values, obtains every One preset gray scale is worth the compensation grey decision-making of corresponding each sub-pixel;

Second compensating module, for the benefit according to the corresponding each sub-pixel of each described preset gray scale value for obtaining Grey decision-making is repaid, the compensation grey decision-making of the corresponding each sub-pixel of all of grey decision-making is determined;

Wherein, first compensating module, including:

Preset gray scale input module, for preset gray scale value described in input identical in each sub-pixel;

Luminance acquisition module, for obtaining the intrinsic brilliance value that each sub-pixel shows;

Gray scale compensation module, if the percentage that the intrinsic brilliance value for there is the sub-pixel deviates target brightness value is big In the predetermined threshold value, then intrinsic brilliance value according to each sub-pixel, the target brightness value and default grey step Enter value comparison table, determine the corresponding compensation grey decision-making of each sub-pixel;

Compensation GTG input module, for being input into corresponding compensation grey decision-making to each sub-pixel;

Compensating module is repeated, the step of input for repeating luminance acquisition, gray scale compensation and compensation GTG, until each described The percentage that the intrinsic brilliance value of sub-pixel deviates the target brightness value is respectively less than the predetermined threshold value.

In a kind of possible implementation, in above-mentioned luminance compensating mechanism provided in an embodiment of the present invention, the ash Rank compensating module, including:

Step value determining unit, for deviateing the hundred of the target brightness value according to the intrinsic brilliance value of each sub-pixel Divide ratio, the corresponding adjustment step value of each sub-pixel is searched in the GTG stepping value comparison table;

Compensation grey decision-making determining unit, for according to the corresponding adjustment step value of each sub-pixel and described default Grey decision-making, determines the corresponding compensation grey decision-making of each sub-pixel.

In a kind of possible implementation, in above-mentioned luminance compensating mechanism provided in an embodiment of the present invention, the ash Step enters value comparison table to be included:Multiple intrinsic brilliance values deviate the percentage range of the target brightness value, and each institute State the corresponding adjustment step value of percentage range;

The step value determining unit, specifically for:

Intrinsic brilliance value according to each sub-pixel deviates the percentage of the target brightness value, determines each sub- picture The corresponding percentage range of element;

According to the corresponding percentage range of each sub-pixel, the corresponding adjustment step value of each sub-pixel is determined.

In a kind of possible implementation, in above-mentioned luminance compensating mechanism provided in an embodiment of the present invention, the ash Step enters value comparison table to be included:The different sub- table of comparisons of multiple brightness degrees;Wherein,

Each sub- table of comparisons includes:The intrinsic brilliance value deviates the percentage range of the target brightness value, and The corresponding adjustment step value of each percentage range;

In identical percentage range, adjustment step value is with the increase of brightness degree in the trend for increasing;

The gray scale compensation module, also includes:

Sub- table of comparisons determining unit, the corresponding brightness degree of intrinsic brilliance value for determining each sub-pixel, with true The fixed corresponding sub- table of comparisons.

It is described pre- in above-mentioned luminance compensating mechanism provided in an embodiment of the present invention in a kind of possible implementation If the corresponding target brightness value of grey decision-making is the average value of the intrinsic brilliance value of each sub-pixel under the preset gray scale value.

In a kind of possible implementation, in above-mentioned luminance compensating mechanism provided in an embodiment of the present invention, second mends Module is repaid, specifically for:

According to the compensation grey decision-making of the corresponding each sub-pixel of each described preset gray scale value for obtaining, by difference Computing obtains the compensation grey decision-making of the corresponding each sub-pixel of all of grey decision-making.

The present invention has the beneficial effect that:

The luminance compensation method and device of display panel provided in an embodiment of the present invention, the method include:Using multiple pre- If grey decision-making carries out luminance compensation to display panel, the compensation GTG of the corresponding each sub-pixel of each preset gray scale value is obtained Value;According to the compensation grey decision-making of the corresponding each sub-pixel of each preset gray scale value for obtaining, all of grey decision-making correspondence is determined Each sub-pixel compensation grey decision-making;Wherein, for each preset gray scale value, by the following method to display panel carry out it is bright Degree compensation:Preset gray scale is input into, to input identical preset gray scale value in each sub-pixel;Luminance acquisition, obtains each sub-pixel and shows The intrinsic brilliance value shown;Gray scale compensation, if the intrinsic brilliance value that there is sub-pixel deviates the percentage of target brightness value more than pre- If threshold value, then intrinsic brilliance value according to each sub-pixel, target brightness value and default GTG stepping value comparison table, it is determined that respectively The corresponding compensation grey decision-making of sub-pixel;Compensation GTG input, corresponding compensation grey decision-making is input into each sub-pixel;Brightness is repeated to obtain Take, gray scale compensation and compensation GTG be the step of be input into, until the intrinsic brilliance value corresponding to the compensation grey decision-making of each sub-pixel is inclined Percentage from target brightness value is respectively less than predetermined threshold value.Method provided in an embodiment of the present invention, display panel is carried out it is bright During degree compensation, intrinsic brilliance value, target brightness value and default GTG stepping value comparison table according to each sub-pixel, Determine the corresponding compensation GTG of each sub-pixel, it is determined that the mode of compensation GTG is simply direct, and combine the reality of each sub-pixel Brightness value, by way of repeatedly compensation constantly approaches target brightness value, luminance compensation result is relatively reliable.

Brief description of the drawings

Fig. 1 is one of flow chart of luminance compensation method of display panel provided in an embodiment of the present invention;

Fig. 2 is the two of the flow chart of the luminance compensation method of display panel provided in an embodiment of the present invention;

Fig. 3 is the structural representation of the test equipment in the embodiment of the present invention;

Fig. 4 is the structural representation of the luminance compensating mechanism of display panel provided in an embodiment of the present invention;

Fig. 5 is the structural representation of gray scale compensation module in the embodiment of the present invention.

Specific embodiment

Circuit for luminance compensation mode present in prior art is more complicated, or the poor problem of compensation effect, this Inventive embodiments provide the luminance compensation method and device of a kind of display panel.

Below in conjunction with the accompanying drawings, to display panel provided in an embodiment of the present invention luminance compensation method and the specific reality of device The mode of applying is described in detail.The size and shape of each part does not reflect actual proportions in accompanying drawing, and purpose is schematically illustrate Present invention.

Fig. 1 is referred to, Fig. 1 is one of flow chart of luminance compensation method of display panel provided in an embodiment of the present invention. A kind of luminance compensation method of display panel is the embodiment of the invention provides, including:

S101, luminance compensation is carried out to display panel using multiple preset gray scale values, obtain each preset gray scale value pair The compensation grey decision-making of each sub-pixel answered;

S102, the compensation grey decision-making according to the corresponding each sub-pixel of each preset gray scale value for obtaining, determine all of The compensation grey decision-making of the corresponding each sub-pixel of grey decision-making;

Wherein, for each preset gray scale value, luminance compensation is carried out to display panel by the following method, refer to figure 2, Fig. 2 is the two of the flow chart of the luminance compensation method of display panel provided in an embodiment of the present invention;

S201, preset gray scale input, to input identical preset gray scale value in each sub-pixel;

S202, luminance acquisition, obtain the intrinsic brilliance value that each sub-pixel shows;

S203, judge whether that the intrinsic brilliance value of sub-pixel deviates the percentage of target brightness value more than or equal to pre- If threshold value;If so, then performing step S204;If it is not, then performing step S206;

S204, gray scale compensation, intrinsic brilliance value, target brightness value and default GTG step value according to each sub-pixel The table of comparisons, determines the corresponding compensation grey decision-making of each sub-pixel;

S205, compensation GTG input, corresponding compensation grey decision-making is input into each sub-pixel;Return to step S202;

S206, compensation terminate.

Luminance compensation method provided in an embodiment of the present invention, is carried out bright using multiple preset gray scale values to display panel first Degree compensation, according to the compensation grey decision-making of the corresponding each sub-pixel of each preset gray scale value for obtaining, and then can be owned The compensation grey decision-making of the corresponding each sub-pixel of grey decision-making, thus, when using display panel, the compensation of each sub-pixel can be combined Grey decision-making lights display panel, the phenomenon uneven such that it is able to eliminate display, improves the display effect of display panel.Additionally, During luminance compensation being carried out to display panel, intrinsic brilliance value, target brightness value according to each sub-pixel and default GTG stepping value comparison table, determines the corresponding compensation GTG of each sub-pixel, it is determined that the mode of compensation GTG is simply direct, and ties The intrinsic brilliance value of each sub-pixel is closed, by way of repeatedly compensation constantly approaches target brightness value, luminance compensation result is more Plus it is reliable.

In the specific implementation, the preset gray scale value in above-mentioned steps S101 can take the arbitrary value in 0-255, such as 32 ashes Rank, 64 GTGs, 128 GTGs, 180 GTGs or 255 GTGs etc., and the number of preset gray scale value can be set according to actual needs Amount, the quantity of preset gray scale value is more, the compensation ash of the corresponding each sub-pixel of all of grey decision-making for obtaining in step s 102 Rank value is more accurate.

Specifically, in above-mentioned luminance compensation method provided in an embodiment of the present invention, above-mentioned steps S102 can include:

According to the compensation grey decision-making of the corresponding each sub-pixel of each preset gray scale value for obtaining, obtained by difference operation The compensation grey decision-making of the corresponding each sub-pixel of all of grey decision-making.

Because all of grey decision-making (i.e. 0-255 GTGs) quantity is more, typically will not be for all of grey decision-making to display Panel carries out luminance compensation, can combine the compensation grey decision-making that each preset gray scale is worth corresponding each sub-pixel, finds default Changing Pattern between grey decision-making and compensation grey decision-making, so as to be calculated the compensation of the corresponding each sub-pixel of all of grey decision-making Grey decision-making, it is preferred that the compensation of the corresponding each sub-pixel of all of grey decision-making can be calculated by the way of difference operation Grey decision-making.

It should be noted that the compensation grey decision-making in step S101 and step S102, preferably repeatedly determines after compensation Meet the compensation grey decision-making of each sub-pixel that compensation is required, wherein, compensation requirement is:The compensation grey decision-making of each sub-pixel is corresponding The percentage that intrinsic brilliance value deviates target brightness value is respectively less than predetermined threshold value.For each grey decision-making (preset gray scale GTG Value or other do not carry out the grey decision-making of luminance compensation), record meets the compensation grey decision-making of each sub-pixel that compensation is required, will be every The corresponding parameter of one grey decision-making is collected, and a compensation table or compensated curve is obtained, in the compensation table or compensated curve Including:Grey decision-making, the estimated brightness value for reaching, the corresponding compensation information such as grey decision-making and intrinsic brilliance value of the grey decision-making, when Other information can also so be included, for example, compensate difference of grey decision-making and grey decision-making etc., do not limited herein.In display panel reality When border uses, according to the compensation table or compensated curve, and the image for showing can be needed, search the corresponding compensation of each sub-pixel Grey decision-making, such that it is able to directly control each sub-pixel to reach suitable brightness value.

Referring to the drawings 2, the return to step S202 again after step S205 is performed, i.e., repeatedly luminance acquisition, gray scale compensation and The step of compensation GTG is input into, until the intrinsic brilliance value corresponding to the compensation grey decision-making of each sub-pixel deviates target brightness value Percentage is respectively less than predetermined threshold value, then perform step S206, and compensation terminates.

In actual applications, when luminance compensation is carried out to display panel, test equipment as shown in Figure 3 can be used, The test equipment includes:With the signal generator 302 for needing the electric signal of display panel 301 for carrying out luminance compensation to be connected, with this The data processor 303 of the electric signal of signal generator 302 connection, and the optics being connected with the electric signal of data processor 303 Collector 304;Wherein, electric signal connection (can be connected) for wired connection by wire, or wireless connection, for example By bluetooth connection.

Step S101 and step S102 in the embodiment of the present invention, and step S201-S206 can be at the data Execution under the control of device 303 is managed, data processor 303 can be the device with data processing function such as computer or server Part, the effect of all parts in above-mentioned test equipment is illustrated below in conjunction with step S201-S206:

When step S201 is performed, the control signal generator 302 of data processor 303 is default to the input of display panel 301 GTG input signal, makes each sub-pixel in display panel 301 be lighted according to identical preset gray scale value;Performing step S202 When, the intrinsic brilliance value of each sub-pixel, then will on the triggering collection display panel 301 of optical collector 304 of data processor 303 The intrinsic brilliance value of each sub-pixel is sent to data processor 303;Step S203 is by each sub-pixel by data processor 303 Intrinsic brilliance value is compared with target brightness value, if the percentage that the intrinsic brilliance value that there is sub-pixel deviates target brightness value is big In predetermined threshold value, then step S204 is performed;If the percentage that the intrinsic brilliance value of all of sub-pixel deviates target brightness value is equal Less than predetermined threshold value, then step S206 is performed;Step S204 is according to the reality of each sub-pixel for obtaining by data processor 303 Brightness value, preset gray scale value corresponding target brightness value and default GTG stepping value comparison table, is calculated each sub-pixel Corresponding compensation grey decision-making;When step S205 is performed, data processor 303 control signal generator similar with step S201 302 to the input offset GTG input signal of display panel 301, makes each sub-pixel in display panel 301 with corresponding compensation ash Rank value is lighted, and is then back to step S202;Step S206 is the intrinsic brilliance corresponding to the compensation grey decision-making for meeting each sub-pixel The percentage that value deviates target brightness value is respectively less than what is triggered during the condition of predetermined threshold value.

It should be noted that luminance compensation method provided in an embodiment of the present invention can be directed to any display panel 301, example Such as LCD display panel 301, active-matrix Organic Light Emitting Diode (Active matrix organic light-emitting Diode, AMOLED) display panel 301 or passive-matrix Organic Light Emitting Diode (Passive Matrix organic Light-emitting diode, AMOLED) display panel 301 etc., above-mentioned signal generator 302 can be any with signal Generation and the signal generator 302 of data write-in functions, above-mentioned optical collector 304 are preferably Charged Couple (Charge- Coupled Device, CCD) camera, it would however also be possible to employ other optical collectors 304, do not limit herein.

Specifically, in above-mentioned luminance compensation method provided in an embodiment of the present invention, preset gray scale is worth corresponding object brightness It is the average value of the intrinsic brilliance value of each sub-pixel under preset gray scale to be worth.

Using the average value of the intrinsic brilliance value of each sub-pixel under preset gray scale as the corresponding object brightness of the preset gray scale Value, after repeatedly compensation, can make the intrinsic brilliance value of each sub-pixel become closer to the average value of intrinsic brilliance value, so that The intrinsic brilliance value of each sub-pixel on display panel is generally uniform, that is, eliminate the phenomenon of display panel brightness irregularities. In practical application, it is also possible to using other specification as target brightness value, such as by the reality of the sub-pixel of display panel center , used as target brightness value, so as to by after repeatedly compensation, the intrinsic brilliance value of each sub-pixel is close to center for border brightness value The intrinsic brilliance value of sub-pixel, it is also possible to reach the effect for making display panel brightness uniformity, it is also possible to by the gal of display panel The parameter that horse curve is calculated is not defined to target brightness value herein as target brightness value, in the embodiment of the present invention In illustrated by taking the average value of the intrinsic brilliance value of each sub-pixel under target brightness value is as preset gray scale as an example.

Specifically, in above-mentioned luminance compensation method provided in an embodiment of the present invention, in above-mentioned steps S204, according to each sub- picture Intrinsic brilliance value, the target brightness value of element, and default GTG stepping value comparison table, determine the corresponding compensation ash of each sub-pixel Rank is worth, including:

Intrinsic brilliance value according to each sub-pixel deviates the percentage of target brightness value, is looked into GTG stepping value comparison table Look for the corresponding adjustment step value of each sub-pixel;

According to the corresponding adjustment step value of each sub-pixel, and preset gray scale value, the corresponding compensation ash of each sub-pixel is determined Rank is worth.

In the specific implementation, in above-mentioned GTG stepping value comparison table, can include that intrinsic brilliance value deviates target brightness value Percentage range, and the correspondence corresponding adjustment step value of each percentage range, thus can be inclined according to intrinsic brilliance value From the percentage of target brightness value, corresponding adjustment step value is found in GTG stepping value comparison table.Then, according to default Grey decision-making, the adjustment stepping that adds deduct is worth to corresponding compensation grey decision-making.Step value is adjusted by the way of tabling look-up, can be with Target brightness value is quickly reached, computing is simple, and directly effectively.

Below in conjunction with different GTG stepping value comparison tables, illustrate to adjust the determination mode of step value:

Mode one:GTG stepping value comparison table includes:Multiple intrinsic brilliance values deviate the percentage range of target brightness value, And the corresponding adjustment step value of each percentage range;

In above-mentioned steps S204, the intrinsic brilliance value according to each sub-pixel deviates the percentage of target brightness value, in GTG The corresponding adjustment step value of each sub-pixel is searched in stepping value comparison table, including:

Intrinsic brilliance value according to each sub-pixel deviates the percentage of target brightness value, determines the corresponding percentage of each sub-pixel Compare scope;

According to the corresponding percentage range of each sub-pixel, the corresponding adjustment step value of each sub-pixel is determined.

The corresponding adjustment step value of different percentage ranges is contained in above-mentioned GTG stepping value comparison table, specific real Shi Shi, can deviate the percentage of target brightness value according to the intrinsic brilliance value of each sub-pixel, determine each sub-pixel corresponding hundred Point than scope, that is, see which percentage range the percentage belongs to, such that it is able to according to the percentage range in GTG step value Corresponding adjustment step value is found in the table of comparisons.

Specifically, in aforesaid way one, the correspondence of percentage range and adjustment step value in GTG stepping value comparison table Relation is, with reference to table 1:

a<When 1%, b=0;1%≤a<When 2%, b=1;2%≤a<When 3%, b=2;3%≤a<When 5%, b=3; 5%≤a<When 10%, b=4;During a >=10%, b=5;

Wherein, a represents that intrinsic brilliance value deviates the percentage of target brightness value, and b represents adjustment step value;

Intrinsic brilliance value according to each sub-pixel deviates the percentage of target brightness value, is looked into GTG stepping value comparison table The corresponding adjustment step value of each sub-pixel is looked for, is specifically included:

Judge that whether the intrinsic brilliance value of each sub-pixel deviates the percentage of target brightness value less than 1%;

If so, then the corresponding adjustment step value of the sub-pixel is 0;If it is not, the intrinsic brilliance value then according to the sub-pixel is inclined Percentage range where percentage from target brightness value, determines corresponding adjustment step value.

One of GTG stepping value comparison table of table 1

a <1% 1%~2% 2%~3% 3%~5% 5%~10% >=10% b 0 1 2 3 4 5

In the specific implementation, above-mentioned predetermined threshold value can be set to 1%, if the intrinsic brilliance value of each sub-pixel deviates target The percentage of brightness value illustrates that the intrinsic brilliance value deviation of each sub-pixel is smaller in 1%, then, and brightness disproportionation phenomenon will not be very Substantially, so when the intrinsic brilliance value of each sub-pixel deviates the percentage of target brightness value in 1%, can no longer carry out Luminance compensation.Certainly, it is the preferred embodiment in the embodiment of the present invention predetermined threshold value to be set into 1%, it is also possible to by default threshold Value is set to other numerical value, such as 0.5% or 2% grade, it is necessary to the display demand of combining display panel determines.

In table 1, the value of a represents 1%≤a between 1%~2%<2%, i.e. left side take equal sign, other value classes of a Seemingly, the value of such as a represents 2%≤a between 2%~3%<3%, differ a citing herein.In the specific implementation, GTG Each percentage range in stepping value comparison table can also take other numerical value, can set according to actual needs, each percentage The corresponding adjustment step value of scope can also be set according to actual needs, as shown in table 2, by each percentage range of a >=1% The value of corresponding b is set to 1, and the effect for making the intrinsic brilliance of each sub-pixel substantially homogeneous can also be reached by repeatedly compensation Really.

The two of the GTG stepping value comparison table of table 2

a <1% 1%~2% 2%~3% 3%~5% 5%~10% >=10% b 1 1 1 1 1 1

With reference to table 1, the value of b is as the increase of a is in the trend for increasing, i.e. intrinsic brilliance value deviation target brightness value in table Percentage is bigger, then it is bigger to adjust step value, using such GTG stepping value comparison table, the deviation of intrinsic brilliance value more it is big then The amplitude of the grey decision-making of adjustment is bigger, and the intrinsic brilliance value such that it is able to make each sub-pixel quickly reaches target brightness value, mesh Mark brightness value typically can be the average value of the intrinsic brilliance value of each sub-pixel, and the intrinsic brilliance value of each sub-pixel is made so as to reach Quickly reach homogeneous effect.

In actual applications, the grey step of positive number is for this percentage range of Tables 1 and 2 and adjustment step value Enter value comparison table, the corresponding adjustment step value of each sub-pixel is determined, it is determined that during the corresponding compensation grey decision-making of each sub-pixel, Also to combine intrinsic brilliance value to determine to compensate GTG with the size of target brightness value, when intrinsic brilliance value is less than target brightness value When, it is necessary on the basis of preset gray scale value increase adjustment step value, when intrinsic brilliance value be more than target brightness value when, it is necessary to Adjustment step value is reduced on the basis of preset gray scale value, for example, target brightness value is 5nit, the intrinsic brilliance of some sub-pixel It is 5.5nit to be worth, then the percentage that the intrinsic brilliance value of the sub-pixel deviates target brightness value is (5.5-5)/5=10%, according to GTG stepping value comparison table shown in table 1, then need to subtract 5 on the basis of preset gray scale value, in order to avoid follow-up relatively more real The step of border brightness value and target brightness value, the form that can also GTG step value is set to shown in table 3, for shown in table 3 GTG stepping value comparison table, when it is determined that intrinsic brilliance value deviates the percentage of target brightness value, subtracts reality with target brightness value Border brightness value, when it is determined that compensating grey decision-making, with preset gray scale value plus corresponding adjustment step value, so as to eliminate The step of comparing the size of intrinsic brilliance value and target brightness value, so as to further simplify calculating process, reduce the calculating time.

The three of the GTG stepping value comparison table of table 3

a ≤-10 - 10%~-5% - 5%~-3% - 3%~-2% - 2%~-1% <1% b -5 -4 -3 -2 -1 0 a 1%~2% 2%~3% 3%~5% 5%~10% >=10% b 1 2 3 4 5

Mode two:GTG stepping value comparison table includes:The different sub- table of comparisons of multiple brightness degrees;Wherein,

Each sub- table of comparisons includes:Intrinsic brilliance value deviates the percentage range of target brightness value, and each percentage range Corresponding adjustment step value;

In identical percentage range, adjustment step value is with the increase of brightness degree in the trend for increasing;

In above-mentioned steps S204, the intrinsic brilliance value according to each sub-pixel deviates the percentage of target brightness value, in GTG The corresponding adjustment step value of each sub-pixel is searched in stepping value comparison table, including:

The corresponding brightness degree of intrinsic brilliance value of each sub-pixel is determined, to determine the corresponding sub- table of comparisons;

Intrinsic brilliance value according to each sub-pixel deviates the percentage of target brightness value, in the sub- table of comparisons determined, Search the corresponding percentage range of each sub-pixel;

According to the corresponding percentage range of each sub-pixel, the corresponding adjustment step value of each sub-pixel is determined.

In mode two, GTG stepping value comparison table is divided into many sub- tables of comparisons, such as brightness etc. according to brightness degree Level for 1 brightness value between 0~5nit, brightness degree be 2 brightness value between 5nit~10nit, it is determined that adjustment step When entering to be worth, different adjustment step values can be obtained according to different brightness degrees, with reference to table 4, in identical percentage range Interior, adjustment step value is in the trend for increasing with the increase of brightness degree, such as in 2%~3% in the every sub- table of comparisons, with The increase of brightness degree, corresponding adjustment step value be 2,3 ... n+1 ..., so can be according to the intrinsic brilliance value of each sub-pixel Size, compensation grey decision-making to be entered is targetedly adjusted, compared to the table of comparisons in mode one, it is possible to reduce brightness is obtained Take, the number of repetition of gray scale compensation and compensation GTG the step of be input into, so as to improve calculating speed.

The four of the GTG stepping value comparison table of table 4

With reference to table 4, it is determined that each sub-pixel adjustment step value when, it is necessary to first according to the corresponding intrinsic brilliance of each sub-pixel Brightness degree where value, determines the corresponding sub- table of comparisons, if for example, intrinsic brilliance value is 3nit, the brightness of the sub-pixel Grade is 1, using the sub- table of comparisons one, corresponding adjustment step value is then searched in the sub- table of comparisons, is in target brightness value During the average brightness value of each sub-pixel, it is also possible to directly determine brightness degree according to target brightness value, each sub-pixel is in target In the corresponding sub- table of comparisons of brightness degree where brightness value, corresponding adjustment step value is searched.In table 4, in each brightness degree Percentage range and corresponding adjustment step value be the embodiment of the present invention preferred embodiment, in the specific implementation, Other numerical value can be set to, and in mode two, the sub- table of comparisons, the reality of other steps be determined according to brightness degree except increasing Apply, and the specifically setting of GTG stepping value comparison table, the implementation method implementation in mode one is referred to, repeat part not Repeat again.

Based on same inventive concept, the embodiment of the present invention additionally provides a kind of luminance compensating mechanism of display panel, due to The principle of the luminance compensating mechanism solve problem is similar to the above method, therefore the implementation of the luminance compensating mechanism may refer to The implementation of luminance compensation method is stated, part is repeated and is repeated no more.

Fig. 4 is refer to, Fig. 4 is the structural representation of the luminance compensating mechanism of display panel provided in an embodiment of the present invention; The luminance compensating mechanism of the display panel, including:

First compensating module 41, for carrying out luminance compensation to display panel using multiple preset gray scale values, obtains each Individual preset gray scale is worth the compensation grey decision-making of corresponding each sub-pixel;

Second compensating module 42, for the compensation GTG according to the corresponding each sub-pixel of each preset gray scale value for obtaining Value, determines the compensation grey decision-making of the corresponding each sub-pixel of all of grey decision-making;

Wherein, the first compensating module 41, including:

Preset gray scale input module 411, for input identical preset gray scale value in each sub-pixel;

Luminance acquisition module 412, for obtaining the intrinsic brilliance value that each sub-pixel shows;

Gray scale compensation module 413, if the percentage that the intrinsic brilliance value for there is sub-pixel deviates target brightness value is big In predetermined threshold value, then intrinsic brilliance value according to each sub-pixel, target brightness value and default GTG stepping value comparison table, really Determine the corresponding compensation grey decision-making of each sub-pixel;

Compensation GTG input module 414, for being input into corresponding compensation grey decision-making to each sub-pixel;

Compensating module 415 is repeated, the step of input for repeating luminance acquisition, gray scale compensation and compensation GTG, until respectively The percentage that the intrinsic brilliance value of sub-pixel deviates target brightness value is respectively less than predetermined threshold value.

Fig. 5 is the structural representation of gray scale compensation module in the embodiment of the present invention.Please further refer to Fig. 5, the present invention In the above-mentioned luminance compensating mechanism that embodiment is provided, gray scale compensation module 413, including:

Step value determining unit 501, the percentage for deviateing target brightness value according to the intrinsic brilliance value of each sub-pixel, The corresponding adjustment step value of each sub-pixel is searched in GTG stepping value comparison table;

Compensation grey decision-making determining unit 502, for according to the corresponding adjustment step value of each sub-pixel, and preset gray scale Value, determines the corresponding compensation grey decision-making of each sub-pixel.

Specifically, in above-mentioned luminance compensating mechanism provided in an embodiment of the present invention, GTG stepping value comparison table includes:It is multiple Intrinsic brilliance value deviates the percentage range of target brightness value, and the corresponding adjustment step value of each percentage range;

Step value determining unit 501, specifically for:

Intrinsic brilliance value according to each sub-pixel deviates the percentage of target brightness value, determines the corresponding percentage of each sub-pixel Compare scope;

According to the corresponding percentage range of each sub-pixel, the corresponding adjustment step value of each sub-pixel is determined.

Further, in above-mentioned luminance compensating mechanism provided in an embodiment of the present invention, GTG stepping value comparison table includes: The different sub- table of comparisons of multiple brightness degrees;Wherein,

Each sub- table of comparisons includes:Intrinsic brilliance value deviates the percentage range of target brightness value, and each percentage range Corresponding adjustment step value;

In identical percentage range, adjustment step value is with the increase of brightness degree in the trend for increasing;

Gray scale compensation module 413, also includes:

Sub- table of comparisons determining unit 500, the corresponding brightness degree of intrinsic brilliance value for determining each sub-pixel, to determine The corresponding sub- table of comparisons.

In the specific implementation, in above-mentioned luminance compensating mechanism provided in an embodiment of the present invention, preset gray scale is worth corresponding mesh Mark brightness value is the average value of the intrinsic brilliance value of each sub-pixel under preset gray scale value.

In the specific implementation, in above-mentioned luminance compensating mechanism provided in an embodiment of the present invention, the second compensating module 42, specifically For:

According to the compensation grey decision-making of the corresponding each sub-pixel of each preset gray scale value for obtaining, obtained by difference operation The compensation grey decision-making of the corresponding each sub-pixel of all of grey decision-making.

Luminance compensation method provided in an embodiment of the present invention and device, first using multiple preset gray scale values to display panel Luminance compensation is carried out, according to the compensation grey decision-making of the corresponding each sub-pixel of each preset gray scale value for obtaining, and then can be obtained To the compensation grey decision-making of the corresponding each sub-pixel of all grey decision-makings, thus, when using display panel, each sub-pixel can be combined Compensation grey decision-making light display panel, the phenomenon uneven such that it is able to eliminate display improves the display effect of display panel.This Outward, during luminance compensation is carried out to display panel, intrinsic brilliance value, target brightness value according to each sub-pixel and pre- If GTG stepping value comparison table, determine the corresponding compensation GTG of each sub-pixel, it is determined that compensation GTG mode it is simply direct, and And the intrinsic brilliance value of each sub-pixel of combination, by way of repeatedly compensation constantly approaches target brightness value, luminance compensation knot It is really relatively reliable.

Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to comprising these changes and modification.

Claims (13)

1. a kind of luminance compensation method of display panel, it is characterised in that including:
Luminance compensation is carried out to the display panel using multiple preset gray scale values, each described preset gray scale value correspondence is obtained Each described sub-pixel compensation grey decision-making;
According to the compensation grey decision-making of the corresponding each sub-pixel of each described preset gray scale value for obtaining, all of ash is determined Rank is worth the compensation grey decision-making of corresponding each sub-pixel;
Wherein, for preset gray scale value each described, luminance compensation is carried out to the display panel by the following method:
Preset gray scale is input into, to preset gray scale value described in input identical in each sub-pixel;
Luminance acquisition, obtains the intrinsic brilliance value that each sub-pixel shows;
Gray scale compensation, if the intrinsic brilliance value that there is the sub-pixel deviates the percentage of target brightness value more than predetermined threshold value, Intrinsic brilliance value then according to each sub-pixel, the target brightness value and default GTG stepping value comparison table, it is determined that The corresponding compensation grey decision-making of each sub-pixel;
Compensation GTG input, corresponding compensation grey decision-making is input into each sub-pixel;
The step of repetition luminance acquisition, the gray scale compensation and the compensation GTG are input into, until each sub-pixel The percentage that intrinsic brilliance value corresponding to compensation grey decision-making deviates the target brightness value is respectively less than the predetermined threshold value.
2. the method for claim 1, it is characterised in that the intrinsic brilliance value according to each sub-pixel, described Target brightness value, and default GTG stepping value comparison table, determine the corresponding compensation grey decision-making of each sub-pixel, including:
Intrinsic brilliance value according to each sub-pixel deviates the percentage of the target brightness value, in the GTG step value pair According to searching the corresponding adjustment step value of each sub-pixel in table;
According to the corresponding adjustment step value of each sub-pixel, and the preset gray scale value, each sub-pixel correspondence is determined Compensation grey decision-making.
3. method as claimed in claim 2, it is characterised in that the GTG stepping value comparison table includes:Multiple reality Brightness value deviates the percentage range of the target brightness value, and the corresponding adjustment step value of each percentage range;
The percentage for deviateing the target brightness value according to the intrinsic brilliance value of each sub-pixel, in the GTG stepping The corresponding adjustment step value of each sub-pixel is searched in value comparison table, including:
Intrinsic brilliance value according to each sub-pixel deviates the percentage of the target brightness value, determines each sub-pixel pair The percentage range answered;
According to the corresponding percentage range of each sub-pixel, the corresponding adjustment step value of each sub-pixel is determined.
4. method as claimed in claim 3, it is characterised in that percentage range and tune in the GTG stepping value comparison table The corresponding relation of whole step value is:
a<When 1%, b=0;1%≤a<When 2%, b=1;2%≤a<When 3%, b=2;3%≤a<When 5%, b=3;5%≤a <When 10%, b=4;During a >=10%, b=5;
Wherein, a represents that intrinsic brilliance value deviates the percentage of target brightness value, and b represents adjustment step value;
The percentage for deviateing the target brightness value according to the intrinsic brilliance value of each sub-pixel, in the GTG stepping The corresponding adjustment step value of each sub-pixel is searched in value comparison table, is specifically included:
Judge that whether the intrinsic brilliance value of each sub-pixel deviates the percentage of the target brightness value less than 1%;
If so, then the corresponding adjustment step value of the sub-pixel is 0;If it is not, then the intrinsic brilliance value according to the sub-pixel deviates institute Percentage range where stating the percentage of target brightness value, determines corresponding adjustment step value.
5. method as claimed in claim 2, it is characterised in that the GTG stepping value comparison table includes:Multiple brightness degrees The different sub- tables of comparisons;Wherein,
Each sub- table of comparisons includes:The intrinsic brilliance value deviates the percentage range of the target brightness value, and each institute State the corresponding adjustment step value of percentage range;
In identical percentage range, adjustment step value is with the increase of brightness degree in the trend for increasing;
The percentage for deviateing the target brightness value according to the intrinsic brilliance value of each sub-pixel, in the GTG stepping The corresponding adjustment step value of each sub-pixel is searched in value comparison table, including:
The corresponding brightness degree of intrinsic brilliance value of each sub-pixel is determined, to determine the corresponding sub- table of comparisons;
Intrinsic brilliance value according to each sub-pixel deviates the percentage of the target brightness value, right in the son determined According in table, the corresponding percentage range of each sub-pixel is searched;
According to the corresponding percentage range of each sub-pixel, the corresponding adjustment step value of each sub-pixel is determined.
6. the method as described in claim any one of 1-5, it is characterised in that the preset gray scale is worth corresponding target brightness value It is the average value of the intrinsic brilliance value of each sub-pixel under the preset gray scale.
7. the method as described in claim any one of 1-5, it is characterised in that each described default ash that the basis is obtained Rank is worth the compensation grey decision-making of corresponding each sub-pixel, determines the compensation ash of the corresponding each sub-pixel of all of grey decision-making Rank is worth, including:
According to the compensation grey decision-making of the corresponding each sub-pixel of each described preset gray scale value for obtaining, by difference operation Obtain the compensation grey decision-making of the corresponding each sub-pixel of all of grey decision-making.
8. a kind of luminance compensating mechanism of display panel, it is characterised in that including:
First compensating module, for carrying out luminance compensation to the display panel using multiple preset gray scale values, obtains each The preset gray scale is worth the compensation grey decision-making of corresponding each sub-pixel;
Second compensating module, it is grey for the compensation according to the corresponding each sub-pixel of each described preset gray scale value for obtaining Rank is worth, and determines the compensation grey decision-making of the corresponding each sub-pixel of all of grey decision-making;
Wherein, first compensating module, including:
Preset gray scale input module, for preset gray scale value described in input identical in each sub-pixel;
Luminance acquisition module, for obtaining the intrinsic brilliance value that each sub-pixel shows;
Gray scale compensation module, if the percentage that the intrinsic brilliance value for there is the sub-pixel deviates target brightness value is more than institute Predetermined threshold value is stated, then intrinsic brilliance value according to each sub-pixel, the target brightness value and default GTG step value The table of comparisons, determines the corresponding compensation grey decision-making of each sub-pixel;
Compensation GTG input module, for being input into corresponding compensation grey decision-making to each sub-pixel;
Compensating module is repeated, the step of input for repeating luminance acquisition, gray scale compensation and compensation GTG, until each sub- picture The percentage that the intrinsic brilliance value of element deviates the target brightness value is respectively less than the predetermined threshold value.
9. device as claimed in claim 8, it is characterised in that the gray scale compensation module, including:
Step value determining unit, the percentage for deviateing the target brightness value according to the intrinsic brilliance value of each sub-pixel Than searching the corresponding adjustment step value of each sub-pixel in the GTG stepping value comparison table;
Compensation grey decision-making determining unit, for according to the corresponding adjustment step value of each sub-pixel, and the preset gray scale Value, determines the corresponding compensation grey decision-making of each sub-pixel.
10. device as claimed in claim 9, it is characterised in that the GTG stepping value comparison table includes:Multiple reality Brightness value deviates the percentage range of the target brightness value, and the corresponding adjustment step value of each percentage range;
The step value determining unit, specifically for:
Intrinsic brilliance value according to each sub-pixel deviates the percentage of the target brightness value, determines each sub-pixel pair The percentage range answered;
According to the corresponding percentage range of each sub-pixel, the corresponding adjustment step value of each sub-pixel is determined.
11. devices as claimed in claim 9, it is characterised in that the GTG stepping value comparison table includes:Multiple brightness degrees The different sub- tables of comparisons;Wherein,
Each sub- table of comparisons includes:The intrinsic brilliance value deviates the percentage range of the target brightness value, and each institute State the corresponding adjustment step value of percentage range;
In identical percentage range, adjustment step value is with the increase of brightness degree in the trend for increasing;
The gray scale compensation module, also includes:
Sub- table of comparisons determining unit, the corresponding brightness degree of intrinsic brilliance value for determining each sub-pixel is right to determine The sub- table of comparisons answered.
12. device as described in claim any one of 8-11, it is characterised in that the preset gray scale is worth corresponding object brightness It is the average value of the intrinsic brilliance value of each sub-pixel under the preset gray scale value to be worth.
13. device as described in claim any one of 8-11, it is characterised in that the second compensating module, specifically for:
According to the compensation grey decision-making of the corresponding each sub-pixel of each described preset gray scale value for obtaining, by difference operation Obtain the compensation grey decision-making of the corresponding each sub-pixel of all of grey decision-making.
CN201710184814.9A 2017-03-24 Brightness compensation method and device of display panel CN106847157B (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107492335A (en) * 2017-09-26 2017-12-19 惠科股份有限公司 Method, structure and the repair system of image compensation signal generation
CN107516495A (en) * 2017-08-31 2017-12-26 京东方科技集团股份有限公司 Detection method and device, its compensation method and the display device of pixel charging compensation
CN107657931A (en) * 2017-11-13 2018-02-02 深圳市华星光电技术有限公司 Improve the method and LCD display of LCD display colour cast
CN107657916A (en) * 2017-09-26 2018-02-02 惠科股份有限公司 Method, structure and the repair system of image compensation signal generation
CN107731194A (en) * 2017-11-21 2018-02-23 深圳市华星光电半导体显示技术有限公司 A kind of mura compensation methodes and device
CN107767837A (en) * 2017-12-08 2018-03-06 京东方科技集团股份有限公司 Drive adjustment circuit and method of adjustment, display device
CN107909974A (en) * 2017-11-21 2018-04-13 青岛海信电器股份有限公司 Pixel compensation method, device and TV
CN108376532A (en) * 2018-03-19 2018-08-07 京东方科技集团股份有限公司 A kind of luminance compensation method and device of display device
CN108694906A (en) * 2018-08-01 2018-10-23 京东方科技集团股份有限公司 A kind of luminance regulating method and computer-readable medium of display panel
WO2019001435A1 (en) * 2017-06-26 2019-01-03 惠科股份有限公司 Grey scale adjustment method and device for display panel

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150042697A1 (en) * 2013-08-12 2015-02-12 Samsung Display Co., Ltd. Organic light emitting display device and method of adjusting luminance of the same
CN105304024A (en) * 2015-11-30 2016-02-03 上海天马有机发光显示技术有限公司 Display panel pixel current compensation method and system
CN105741763A (en) * 2016-03-31 2016-07-06 深圳市华星光电技术有限公司 Method for eliminating Mura of OLED display panel
CN106531049A (en) * 2016-12-19 2017-03-22 上海天马有机发光显示技术有限公司 Brightness adjusting method and system of display panel
CN106531050A (en) * 2016-12-27 2017-03-22 上海天马有机发光显示技术有限公司 Method, device and system for gray scale compensation of display panel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150042697A1 (en) * 2013-08-12 2015-02-12 Samsung Display Co., Ltd. Organic light emitting display device and method of adjusting luminance of the same
CN105304024A (en) * 2015-11-30 2016-02-03 上海天马有机发光显示技术有限公司 Display panel pixel current compensation method and system
CN105741763A (en) * 2016-03-31 2016-07-06 深圳市华星光电技术有限公司 Method for eliminating Mura of OLED display panel
CN106531049A (en) * 2016-12-19 2017-03-22 上海天马有机发光显示技术有限公司 Brightness adjusting method and system of display panel
CN106531050A (en) * 2016-12-27 2017-03-22 上海天马有机发光显示技术有限公司 Method, device and system for gray scale compensation of display panel

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019001435A1 (en) * 2017-06-26 2019-01-03 惠科股份有限公司 Grey scale adjustment method and device for display panel
WO2019001439A1 (en) * 2017-06-26 2019-01-03 惠科股份有限公司 Method and apparatus for adjusting gray scale of display panel
CN107516495A (en) * 2017-08-31 2017-12-26 京东方科技集团股份有限公司 Detection method and device, its compensation method and the display device of pixel charging compensation
CN107657916A (en) * 2017-09-26 2018-02-02 惠科股份有限公司 Method, structure and the repair system of image compensation signal generation
WO2019061882A1 (en) * 2017-09-26 2019-04-04 惠科股份有限公司 Method for generating image compensation signal, structure and repair system
CN107492335A (en) * 2017-09-26 2017-12-19 惠科股份有限公司 Method, structure and the repair system of image compensation signal generation
CN107657931A (en) * 2017-11-13 2018-02-02 深圳市华星光电技术有限公司 Improve the method and LCD display of LCD display colour cast
CN107657931B (en) * 2017-11-13 2019-12-24 深圳市华星光电技术有限公司 Method for improving color cast of LCD (liquid crystal display) and LCD
CN107731194A (en) * 2017-11-21 2018-02-23 深圳市华星光电半导体显示技术有限公司 A kind of mura compensation methodes and device
CN107909974A (en) * 2017-11-21 2018-04-13 青岛海信电器股份有限公司 Pixel compensation method, device and TV
CN107767837A (en) * 2017-12-08 2018-03-06 京东方科技集团股份有限公司 Drive adjustment circuit and method of adjustment, display device
CN108376532A (en) * 2018-03-19 2018-08-07 京东方科技集团股份有限公司 A kind of luminance compensation method and device of display device
CN108694906A (en) * 2018-08-01 2018-10-23 京东方科技集团股份有限公司 A kind of luminance regulating method and computer-readable medium of display panel

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