CN109448638A - Gamma correction method, device, medium and the electronic equipment of OLED display panel - Google Patents
Gamma correction method, device, medium and the electronic equipment of OLED display panel Download PDFInfo
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- CN109448638A CN109448638A CN201910011753.5A CN201910011753A CN109448638A CN 109448638 A CN109448638 A CN 109448638A CN 201910011753 A CN201910011753 A CN 201910011753A CN 109448638 A CN109448638 A CN 109448638A
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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
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
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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
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
- G09G2320/0276—Adjustment 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
Abstract
This disclosure relates to field of display technology, and in particular to a kind of gamma correction method of OLED display panel, device and the computer readable storage medium and electronic equipment of realizing the above method.This method comprises: obtaining the gamma curve to be corrected of organic LED display panel；The first compensating parameter is obtained according to the gamma curve to be corrected and standard gamma curve；The input grayscale less than the first input grayscale of the gamma curve to be corrected is compensated with the second compensating parameter for being less than first compensating parameter, wherein the first input grayscale is in low ash rank.In technical solution provided by the present disclosure, the phenomenon that avoiding the compensation occurred in the related technology to overflow by way of flexible modulation compensating parameter, to, no matter high gray input or low ash rank input, OLED display panel display brightness is uniform, be conducive to improve the display quality of OLED display panel, and then improve the usage experience of user.
Description
Technical field
This disclosure relates to field of display technology more particularly to a kind of Organic Light Emitting Diode (Organic Light-
Emitting Diode, referred to as: OLED) gamma correction method of display panel, OLED display panel gamma correcting device with
And realize the computer readable storage medium and electronic equipment of the gamma correction method of the OLED display panel.
Background technique
It is inconsistent between pixel and pixel since each pixel in OLED display panel has self-luminous feature
Property is inevitable.So that Mura becomes a potential seondary effect in OLED display panel manufacturing process.Wherein,
Mura is the English word for being originated from Japanese, means uneven, inconsistent or flaw.In display field, Mura can be used
Uneven, " clouding " effect etc. is shown in being expressed as brightness in OLED display panel.
In view of the above-mentioned problems, the relevant technologies provide Demura scheme, to gamma song by way of compensating parameter is arranged
Line is corrected or compensates, to solve the problems, such as the Mura in OLED display panel.The central idea of Demura scheme is: when
When some regions brightness of OLED display panel is higher, its brightness is reduced；When some regions brightness of OLED display panel is low
When, its brightness is improved.To realize that Mura is compensated, so that brightness is shown uniformly, without " clouding " effect in OLED display panel
It answers.
However, it is found by the inventors that the Demura scheme that the relevant technologies provide, no matter in low input grayscale or high input ash
Identical compensating parameter is all used when rank.In the case where high gray input, Mura compensation effect is obvious, still, in low ash rank
In the case where input, compensation can occur if identical compensating parameter when using inputting with high gray and overflow, cause low ash rank defeated
Fashionable OLED display panel shows brightness exception.Therefore, it is necessary to which providing the new technical solution of one kind improves in above scheme
One or more existing problem.
It should be noted that information is only used for reinforcing the reason to the background of the disclosure disclosed in above-mentioned background technology part
Solution, therefore may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
The gamma of a kind of gamma correction method for being designed to provide OLED display panel of the disclosure, OLED display panel
The computer readable storage medium and electronic equipment of means for correcting and the gamma correction method of the realization OLED display panel,
And then one or more is overcome the problems, such as caused by the limitation and defect due to the relevant technologies at least to a certain extent.
Other characteristics and advantages of the disclosure will be apparent from by the following detailed description, or partially by the disclosure
Practice and acquistion.
According to the first aspect of the embodiments of the present disclosure, a kind of gamma correction method of OLED display panel, this method are provided
Include:
Obtain the gamma curve to be corrected of organic LED display panel；
The first compensating parameter is obtained according to the gamma curve to be corrected and standard gamma curve；And
With the second compensating parameter less than first compensating parameter to the defeated less than first of the gamma curve to be corrected
The input grayscale for entering grayscale compensates,
Wherein, the first input grayscale is in low ash rank.
In a kind of exemplary embodiment of the disclosure, be based on aforementioned schemes, it is described according to the gamma curve to be corrected and
Standard gamma curve obtain the first compensating parameter the step of include:
Compensation y=ax+b is obtained according to gamma curve to be corrected and standard gamma curve,
Wherein, wherein y indicates output grayscale, and x indicates input grayscale, and a indicates the value of the compensation multiple of input grayscale, b table
Show that the value of the compensation rate of input grayscale, the value of a are positive number for the value of positive number, b greater than 1,
Wherein, first compensating parameter and second compensating parameter include compensation multiple and compensation rate.
In a kind of exemplary embodiment of the disclosure, aforementioned schemes are based on, it is described with less than first compensating parameter
Second compensating parameter compensates the input grayscale less than the first input grayscale of the gamma curve to be corrected
As input grayscale is decreased to the second input grayscale from the first input grayscale, make second compensating parameter
It compensates multiple and is linearly decreased to 1 from a；
As input grayscale is decreased to 0 grayscale from the second input grayscale, make the compensation times of second compensating parameter
Number is 1,
Wherein, the second input grayscale is less than the first input grayscale.
In a kind of exemplary embodiment of the disclosure, aforementioned schemes are based on, it is described with less than first compensating parameter
Second compensating parameter compensates the input grayscale less than the first input grayscale of the gamma curve to be corrected
As input grayscale is decreased to the second input grayscale from the first input grayscale, make the second compensation ginseng
Several compensation rates are linearly decreased to 0 from b；
As input grayscale is decreased to 0 grayscale from the second input grayscale, make the compensation rate of second compensating parameter
It is 0.
In a kind of exemplary embodiment of the disclosure, aforementioned schemes are based on, it is described with less than first compensating parameter
Second compensating parameter compensates the input grayscale less than the first input grayscale of the gamma curve to be corrected
As input grayscale is decreased to the second input grayscale from the first input grayscale, make second compensating parameter
Compensation rate is linearly decreased to 0 from b；
As input grayscale is decreased to 0 grayscale from the second input grayscale, make the compensation rate of second compensating parameter
It is 0,
Wherein, the second input grayscale is less than the first input grayscale.
In a kind of exemplary embodiment of the disclosure, aforementioned schemes are based on, when organic LED display panel has
When 256 grades of grayscale, in the range of 0 grayscale to 64 grayscale, the second input grayscale arrives the first input grayscale in 0 grayscale
In the range of 7 grayscale.
According to the second aspect of an embodiment of the present disclosure, a kind of gamma correction of organic LED display panel is provided
Device, the device include:
First obtains module, is configured as obtaining the gamma curve to be corrected of organic LED display panel；
Second obtains module, is configured as obtaining the first compensation ginseng according to gamma curve to be corrected and standard gamma curve
Number；And
Compensating module is configured as with the second compensating parameter less than first compensating parameter to gamma curve to be corrected
Less than first input grayscale input grayscale compensate,
Wherein, the first input grayscale is in low ash rank.
In a kind of exemplary embodiment of the disclosure, aforementioned schemes are based on, the second acquisition module is configured as:
Compensation y=ax+b is obtained according to gamma curve to be corrected and standard gamma curve,
Wherein, wherein y indicates output grayscale, and x indicates input grayscale, and a indicates the value of the compensation multiple of input grayscale, b table
Show that the value of the compensation rate of input grayscale, the value of a are positive number for the value of positive number, b greater than 1,
Wherein, first compensating parameter and second compensating parameter include compensation multiple and compensation rate.
In a kind of exemplary embodiment of the disclosure, aforementioned schemes are based on, compensating module is configured as:
As input grayscale is decreased to the second input grayscale from the first input grayscale, make second compensating parameter
It compensates multiple and is linearly decreased to 1 from a；
As input grayscale is decreased to 0 grayscale from the second input grayscale, make the compensation times of second compensating parameter
Number is 1,
Wherein, the second input grayscale is less than the first input grayscale.
In a kind of exemplary embodiment of the disclosure, aforementioned schemes are based on, compensating module is configured as:
As input grayscale is decreased to the second input grayscale from the first input grayscale, make the second compensation ginseng
Several compensation rates are linearly decreased to 0 from b；
As input grayscale is decreased to 0 grayscale from the second input grayscale, make the compensation rate of second compensating parameter
It is 0.
In a kind of exemplary embodiment of the disclosure, aforementioned schemes are based on, compensating module is configured as:
As input grayscale is decreased to the second input grayscale from the first input grayscale, make second compensating parameter
Compensation rate is linearly decreased to 0 from b；
As input grayscale is decreased to 0 grayscale from the second input grayscale, make the compensation rate of second compensating parameter
It is 0,
Wherein, the second input grayscale is less than the first input grayscale.
In a kind of exemplary embodiment of the disclosure, aforementioned schemes are based on, when organic LED display panel has
When 256 grades of grayscale, in the range of 0 grayscale to 64 grayscale, the second input grayscale arrives the first input grayscale in 0 grayscale
In the range of 7 grayscale.
According to the third aspect of an embodiment of the present disclosure, a kind of electronic equipment is provided, comprising:
Processor；And
Memory, for storing the executable instruction of the processor；
Wherein, the processor be configured to execute via the executable instruction is executed above-mentioned first aspect any one
Described in embodiment the step of method.
According to a fourth aspect of embodiments of the present disclosure, a kind of computer readable storage medium is provided, calculating is stored thereon with
The step of machine program, which realizes method described in any one embodiment of above-mentioned first aspect when being executed by processor.
The technical scheme provided by this disclosed embodiment can include the following benefits:
In a kind of embodiment of the disclosure, pass through the gamma correction method, device and electronics of above-mentioned OLED display panel
Equipment obtains the gamma curve to be corrected of OLED display panel, then, bent according to above-mentioned gamma curve to be corrected and standard gamma
Line obtains the first compensating parameter, in turn, with the second compensating parameter less than above-mentioned first compensating parameter to above-mentioned gamma to be corrected
Being less than for curve is compensated in the input grayscale that low ash rank first inputs grayscale.In this way, in disclosure scheme, compared to
Compensating parameter when high gray inputs uses lesser compensating parameter in the input of low ash rank.Pass through flexible modulation compensating parameter
Mode come avoid the compensation occurred in the related technology overflow the phenomenon that, thus, no matter high gray input or low ash rank input,
OLED display panel display brightness is uniform, is conducive to the display quality for improving OLED display panel, and then improve the use of user
Experience.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.It should be evident that the accompanying drawings in the following description is only the disclosure
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 schematically shows the flow chart of the gamma correction method of OLED display panel in disclosure exemplary embodiment；
Fig. 2 schematically shows the OLED organic LED display panel in disclosure exemplary embodiment with Mura
Structure chart；
Fig. 3 schematically shows the process of the gamma correction method of OLED display panel in disclosure another exemplary embodiment
Figure；
Fig. 4 shows the schematic diagram according to input grayscale T adjustment compensation multiple A；
Fig. 5 schematically shows the process of the gamma correction method of OLED display panel in the another exemplary embodiment of the disclosure
Figure；
Fig. 6 shows the schematic diagram according to input grayscale T adjustment compensation rate B；
Fig. 7 schematically shows the process of the gamma correction method of OLED display panel in the exemplary another embodiment of the disclosure
Figure；
Fig. 8 schematically shows the structure chart of the gamma correcting device of OLED display panel in disclosure exemplary embodiment；
Fig. 9 schematically shows computer readable storage medium schematic diagram in disclosure exemplary embodiment；And
Figure 10 schematically shows electronic equipment schematic diagram in disclosure exemplary embodiment.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to example set forth herein；On the contrary, thesing embodiments are provided so that the disclosure will more
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Described feature, knot
Structure or characteristic can be incorporated in any suitable manner in one or more embodiments.
In addition, attached drawing is only the schematic illustrations of the disclosure, it is not necessarily drawn to scale.Identical attached drawing mark in figure
Note indicates same or similar part, thus will omit repetition thereof.Some block diagrams shown in the drawings are function
Energy entity, not necessarily must be corresponding with physically or logically independent entity.These function can be realized using software form
Energy entity, or these functional entitys are realized in one or more hardware modules or integrated circuit, or at heterogeneous networks and/or place
These functional entitys are realized in reason device device and/or microcontroller device.
In the Demura scheme that the relevant technologies provide, if use compensating parameter for S in the case where high gray input,
And obtain preferable Mura compensation effect；If still using identical compensating parameter S in the case where the input of low ash rank, can occur
Compensation is overflowed, i.e., it is abnormal (such as: excessively bright phenomenon) to show brightness for OLED display panel when low ash rank inputs.For example, because
The bit number of Driver IC limits, in the input of low ash rank, especially below 5 grayscale or 3 grayscale when, display brightness compared with
It is low, if being compensated again by the scheme of above-mentioned the relevant technologies, it is likely that compensation can occur and overflow, so that in the grayscale
Show brightness exception.
As it can be seen that compensating parameter is insensitive to input grayscale value in the Demura scheme that the relevant technologies provide, it can not be according to defeated
Enter the size of the variation flexible modulation compensating parameter of grayscale value, and then leads to not effectively realize that the Mura of OLED display panel is mended
It repays.
A kind of gamma correction method of OLED display panel is provided firstly in this example embodiment, Fig. 1 schematically shows
Out in the disclosure exemplary embodiment gamma correction method of OLED display panel flow chart, overcome at least to a certain extent
Due to the relevant technologies limitation and defect caused by the above problem.Wherein, the gal of OLED display panel provided in this embodiment
The executing subject of horse bearing calibration can be equipment with calculation processing function, such as server etc..
With reference to shown in Fig. 1, this method be may comprise steps of:
Step S101: the gamma curve to be corrected of organic LED display panel is obtained；
Step S102: the first compensating parameter is obtained according to the gamma curve to be corrected and standard gamma curve；And
Step S103: with the second compensating parameter less than first compensating parameter to the small of the gamma curve to be corrected
It is compensated in the input grayscale of the first input grayscale, wherein the first input grayscale is in low ash rank.
In the technical solution that embodiment shown in Fig. 1 provides, the gamma curve to be corrected of OLED display panel is obtained, so
Afterwards, the first compensating parameter is obtained according to above-mentioned gamma curve to be corrected and standard gamma curve, in turn, is mended with being less than above-mentioned first
The second compensating parameter for repaying parameter is less than the input ash in the input grayscale of low ash rank first to above-mentioned gamma curve to be corrected
Rank compensates.In this way, compared to the compensating parameter when high gray inputs, making in the input of low ash rank in the technical program
With lesser compensating parameter.Showing for the compensation spilling occurred in the related technology is avoided by way of flexible modulation compensating parameter
As, thus, no matter high gray input or low ash rank input, OLED display panel display brightness is uniform, be conducive to raising OLED
The display quality of display panel, and then improve the usage experience of user.
In the following, will be carried out referring to figs. 1 to each step of the Fig. 7 to the above method in this example embodiment more detailed
Explanation.
In step s101, the gamma curve to be corrected of organic LED display panel is obtained.
Due to the spontaneous light characteristic of OLED, phenomenon inconsistent there are light emission luminance between pixel in OLED display panel.
In this example embodiment, Fig. 2 schematically shows the OLED organic light-emitting diodes in disclosure exemplary embodiment with Mura
Pipe display panel structure figure.With reference to Fig. 2, M corresponding pixel light emission brightness in region is significantly less than pixel corresponding in region N,
In, M corresponding pixel in region can be used as above-mentioned Mura pixel.Gamma correction need to be carried out to Mura, that is, adjusts Mura pixel
Gamma curve (namely above-mentioned " gamma curve to be corrected "), so that gamma curve adjusted complies with standard wanting for gamma curve
It asks.To realize that Mura is compensated, so that OLED display panel brightness uniformity meets actual design demand.
In step s 102, the first compensating parameter is obtained according to the gamma curve to be corrected and standard gamma curve.
In the exemplary embodiment, compensation y=can be obtained according to gamma curve to be corrected and standard gamma curve
Ax+b, wherein it is above-mentioned it is compensation in: x indicate input grayscale, that is, gamma curve to be corrected in grayscale value；Y indicates output
Grayscale, the grayscale after compensating parameter is corrected input grayscale x, a indicate the value of the compensation multiple A of input grayscale, b table
Show that the value of the compensation rate B of input grayscale, the value of a are positive number for the value of positive number, b greater than 1.It should be noted that compensation
The value b of the value a and compensation rate B of multiple A are values determines according to actual conditions.
In the exemplary embodiment, it is above-mentioned it is compensation in compensation multiple a and compensation rate b, may be collectively referred to as compensation ginseng
Number.
For example, above-mentioned first compensating parameter may include compensation multiple and compensation rate.
In step s 103, with the second compensating parameter less than first compensating parameter to the gamma curve to be corrected
Less than first input grayscale input grayscale compensate, wherein it is described first input grayscale in low ash rank.
In the exemplary embodiment, it is similar to the first compensating parameter, above-mentioned second compensating parameter also may include compensation
Multiple and compensation rate.It is to be noted that the second compensating parameter is less than above-mentioned first compensating parameter.In step s 103, it compares
In the compensating parameter when high gray inputs, lesser compensating parameter is used in the input of low ash rank.To pass through flexible modulation
The mode of compensating parameter come avoid the compensation occurred in the related technology overflow the phenomenon that, no matter high gray input or low ash rank it is defeated
Enter, OLED display panel display brightness is uniform, is conducive to the usage experience for improving user.
In the exemplary embodiment, when organic LED display panel has 256 grades of grayscale, above-mentioned first is defeated
Enter grayscale in the range of 0 grayscale to 64 grayscale.It is to be noted that the specific value of the first input grayscale is according to the actual situation
It determines.
Three kinds of specific implementations of introduction step S103 individually below:
In the exemplary embodiment, Fig. 3 shows a kind of achievable embodiment of step S103.Especially by tune
Compensation multiple A in whole compensating parameter achievees the purpose that flexible modulation compensating parameter, to avoid the compensation occurred in the related technology
The phenomenon that spilling.
With reference to Fig. 3, this method comprises:
Step S301: as input grayscale is decreased to the second input grayscale from the first input grayscale, make described second
The compensation multiple of compensating parameter is linearly decreased to 1 from a；And
Step S302: as input grayscale is decreased to 0 grayscale from the second input grayscale, make second compensating parameter
Compensation multiple be 1, wherein it is described second input grayscale be less than it is described first input grayscale.
In the exemplary embodiment, when organic LED display panel has 256 grades of grayscale, as previously described:
Above-mentioned first input grayscale is in the range of 0 grayscale to 64 grayscale.Meanwhile above-mentioned second input grayscale is in 0 grayscale to 7 grayscale
In range.It is to be noted that the second input grayscale inputs grayscale, and the first input grayscale, the second input grayscale less than first
Specific value determines according to actual conditions.
In the exemplary embodiment, Fig. 4 shows the schematic diagram according to input grayscale T adjustment compensation multiple A.
Above-mentioned steps S301 and step S302 are explained as follows in conjunction with Fig. 4:
When input grayscale is greater than the second input grayscale T2And less than the first input grayscale T1When, as input grayscale is from first
Input grayscale T1It is decreased to the second input grayscale T2, the compensation multiple A of the second compensating parameter is made linearly to be decreased to 1 from a；
When input grayscale is less than the second input grayscale T2When, as input grayscale inputs grayscale T from second2It is decreased to 0 ash
Rank makes the compensation multiple A of the second compensating parameter remain 1；
When input grayscale is greater than the first input grayscale T1When, with the increase of input grayscale, make the benefit of the second compensating parameter
It repays multiple A and remains a；Wherein, a is the positive number greater than 1.
In the exemplary embodiment, Fig. 5 shows the achievable embodiment of another kind of step S103.Especially by
Compensation rate B in adjustment compensating parameter achievees the purpose that flexible modulation compensating parameter, to avoid the compensation occurred in the related technology
The phenomenon that spilling.
With reference to Fig. 5, this method comprises:
Step S501: as input grayscale is decreased to the second input grayscale from the first input grayscale, make described second
The compensation rate of compensating parameter is linearly decreased to 0 from b；And
Step S502: as input grayscale is decreased to 0 grayscale from the second input grayscale, make second compensating parameter
Compensation rate be 0, wherein it is described second input grayscale be less than it is described first input grayscale.
In the exemplary embodiment, Fig. 6 shows the schematic diagram according to input grayscale T adjustment compensation rate B.
Above-mentioned steps S501 and step S502 are explained as follows in conjunction with Fig. 6:
When input grayscale is greater than the second input grayscale T2And less than the first input grayscale T1When, as input grayscale is from first
Input grayscale T1It is decreased to the second input grayscale T2, the compensation rate B of the second compensating parameter is made linearly to be decreased to 0 from b；
When input grayscale is less than the second input grayscale T2When, as input grayscale inputs grayscale T from second2It is decreased to 0 ash
Rank makes the compensation rate B of the second compensating parameter remain 0；
When input grayscale is greater than the first input grayscale T1When, with the increase of input grayscale, make the benefit of the second compensating parameter
The amount of repaying B remains b；Wherein, b is positive number.
In the exemplary embodiment, Fig. 7 shows another achievable embodiment of step S103.Especially by
The compensation multiple A and compensation rate B in compensating parameter are adjusted simultaneously, to achieve the purpose that flexible modulation compensating parameter, to avoid phase
The phenomenon that compensation occurred in the technology of pass is overflowed.
With reference to Fig. 7, this method comprises:
Step S701: as input grayscale is decreased to the second input grayscale from the first input grayscale, make described second
The compensation multiple of compensating parameter is linearly decreased to 1 from a；
Step S702: as input grayscale is decreased to 0 grayscale from the second input grayscale, make second compensating parameter
Compensation multiple be 1；
Step S703: as input grayscale is decreased to the second input grayscale from the first input grayscale, make described second
The compensation rate of compensating parameter is linearly decreased to 0 from b；And
Step S704: as input grayscale is decreased to 0 grayscale from the second input grayscale, make second compensating parameter
Compensation rate be 0, wherein it is described second input grayscale be less than it is described first input grayscale.
In the exemplary embodiment, step S701 and step S702 is to the adjustment process for compensating multiple A, with Fig. 3 and Fig. 4
The specific embodiment of illustrated embodiment is identical, and details are not described herein.The adjustment of step S703 and step S704 to compensation rate B
Journey, it is identical as the specific embodiment of Fig. 5 and embodiment illustrated in fig. 6, it also repeats no more herein.
It should be noted that the set-up procedure of compensation multiple A and the implementation procedure to the set-up procedure of compensation rate B regardless of
Front and back.Illustratively, it may be performed simultaneously to the set-up procedure of compensation multiple A and to the set-up procedure of compensation rate B.
It should be noted that although describing each step of method in the disclosure in the accompanying drawings with particular order,
This does not require that or implies must execute these steps in this particular order, or have to carry out step shown in whole
Just it is able to achieve desired result.Additional or alternative, it is convenient to omit multiple steps are merged into a step and held by certain steps
Row, and/or a step is decomposed into execution of multiple steps etc..In addition, being also easy to understand, these steps be can be
Such as it is either synchronously or asynchronously executed in multiple module/process/threads.
Further, in this example embodiment, a kind of gamma correcting device of OLED display panel is additionally provided.The dress
Setting can be set in such as electronic device, can be specifically arranged in the processor of electronic device in a manner of instruction code.Fig. 8
The structure chart for schematically showing the gamma correcting device of OLED display panel in disclosure exemplary embodiment, with reference to institute in Fig. 8
Show, the gamma correcting device 800 of OLED display panel may include: that the first acquisition module 801, second obtains module 802 and mends
Repay module 803.Wherein:
First obtains module 801, is configured as obtaining the gamma curve to be corrected of organic LED display panel；
Second obtains module 802, is configured as obtaining first according to the gamma curve to be corrected and standard gamma curve
Compensating parameter；And
Compensating module 803 is configured as with the second compensating parameter less than first compensating parameter to gamma to be corrected
The input grayscale less than the first input grayscale of curve compensates,
Wherein, the first input grayscale is in low ash rank.
In a kind of exemplary embodiment of the disclosure, aforementioned schemes are based on, above-mentioned second acquisition module 802 is configured
Are as follows:
Compensation y=ax+b is obtained according to gamma curve to be corrected and standard gamma curve,
Wherein, wherein y indicates output grayscale, and x indicates input grayscale, and a indicates the value of the compensation multiple of input grayscale, b table
Show that the value of the compensation rate of input grayscale, the value of a are positive number for the value of positive number, b greater than 1,
Wherein, first compensating parameter and second compensating parameter include compensation multiple and compensation rate.
In a kind of exemplary embodiment of the disclosure, aforementioned schemes are based on, above-mentioned compensating module 803 is configured as:
As input grayscale is decreased to the second input grayscale from the first input grayscale, make second compensating parameter
It compensates multiple and is linearly decreased to 1 from a；
As input grayscale is decreased to 0 grayscale from the second input grayscale, make the compensation times of second compensating parameter
Number is 1,
Wherein, the second input grayscale is less than the first input grayscale.
In a kind of exemplary embodiment of the disclosure, aforementioned schemes are based on, above-mentioned compensating module 803 is configured as:
As input grayscale is decreased to the second input grayscale from the first input grayscale, make second compensating parameter
It compensates multiple and is linearly decreased to 1 from a；
As input grayscale is decreased to 0 grayscale from the second input grayscale, make the compensation times of second compensating parameter
Number is 1；Also,
As input grayscale is decreased to the second input grayscale from the first input grayscale, make the second compensation ginseng
Several compensation rates are linearly decreased to 0 from b；
As input grayscale is decreased to 0 grayscale from the second input grayscale, make the compensation rate of second compensating parameter
It is 0；Wherein, the second input grayscale is less than the first input grayscale.
In a kind of exemplary embodiment of the disclosure, aforementioned schemes are based on, above-mentioned compensating module 803 is configured as:
As input grayscale is decreased to the second input grayscale from the first input grayscale, make second compensating parameter
Compensation rate is linearly decreased to 0 from b；
As input grayscale is decreased to 0 grayscale from the second input grayscale, make the compensation rate of second compensating parameter
It is 0,
Wherein, the second input grayscale is less than the first input grayscale.
In a kind of exemplary embodiment of the disclosure, aforementioned schemes are based on, when organic LED display panel has
When having 256 grades of grayscale, for the first input grayscale in the range of 0 grayscale to 64 grayscale, the second input grayscale is in 0 grayscale
To in the range of 7 grayscale.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, no detailed explanation will be given here.
It should be noted that although being referred to several modules or list for acting the equipment executed in the above detailed description
Member, but this division is not enforceable.In fact, according to embodiment of the present disclosure, it is above-described two or more
Module or the feature and function of unit can embody in a module or unit.Conversely, an above-described mould
The feature and function of block or unit can be to be embodied by multiple modules or unit with further division.As module or list
The component of member display may or may not be physical unit, it can and it is in one place, or may be distributed over
In multiple network units.It can select some or all of the modules therein according to the actual needs to realize the open scheme of wood
Purpose.Those of ordinary skill in the art can understand and implement without creative efforts.
In an exemplary embodiment of the disclosure, a kind of computer readable storage medium is additionally provided, meter is stored thereon with
OLED display panel described in any one above-mentioned embodiment may be implemented when being executed by such as processor in calculation machine program, the program
Gamma correction method the step of.In some possible embodiments, various aspects of the invention are also implemented as one kind
The form of program product comprising program code, when described program product is run on the terminal device, said program code is used
In make the terminal device execute described in the gamma correction method part of the above-mentioned OLED display panel of this specification according to this
The step of inventing various illustrative embodiments.
Refering to what is shown in Fig. 9, describing the program product for realizing the above method of embodiment according to the present invention
900, can be using portable compact disc read only memory (CD-ROM) and including program code, and it can be in terminal device.
However, program product of the invention is without being limited thereto, in this document, readable storage medium storing program for executing, which can be, any includes or storage program
Tangible medium, which can be commanded execution system, device or device use or in connection.
Described program product can be using any combination of one or more readable mediums.Readable medium can be readable letter
Number medium or readable storage medium storing program for executing.Readable storage medium storing program for executing for example can be but be not limited to electricity, magnetic, optical, electromagnetic, infrared ray or
System, device or the device of semiconductor, or any above combination.The more specific example of readable storage medium storing program for executing is (non exhaustive
List) include: electrical connection with one or more conducting wires, portable disc, hard disk, random access memory (RAM), read-only
Memory (ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disc read only memory
(CD-ROM), light storage device, magnetic memory device or above-mentioned any appropriate combination.
The computer readable storage medium may include in a base band or the data as the propagation of carrier wave a part are believed
Number, wherein carrying readable program code.The data-signal of this propagation can take various forms, including but not limited to electromagnetism
Signal, optical signal or above-mentioned any appropriate combination.Readable storage medium storing program for executing can also be any other than readable storage medium storing program for executing
Readable medium, the readable medium can send, propagate or transmit for by instruction execution system, device or device use or
Person's program in connection.The program code for including on readable storage medium storing program for executing can transmit with any suitable medium, packet
Include but be not limited to wireless, wired, optical cable, RF etc. or above-mentioned any appropriate combination.
The program for executing operation of the present invention can be write with any combination of one or more programming languages
Code, described program design language include object oriented program language-Java, C++ etc., further include conventional
Procedural programming language-such as " C " language or similar programming language.Program code can be fully in user
It calculates and executes in equipment, partly executes on a user device, being executed as an independent software package, partially in user's calculating
Upper side point is executed on a remote computing or is executed in remote computing device or server completely.It is being related to far
Journey calculates in the situation of equipment, and remote computing device can pass through the network of any kind, including local area network (LAN) or wide area network
(WAN), it is connected to user calculating equipment, or, it may be connected to external computing device (such as utilize ISP
To be connected by internet).
In an exemplary embodiment of the disclosure, a kind of electronic equipment is also provided, which may include processor,
And the memory of the executable instruction for storing the processor.Wherein, the processor is configured to via described in execution
The step of gamma correction method of the executable instruction to execute OLED display panel described in any one above-mentioned embodiment.
Person of ordinary skill in the field it is understood that various aspects of the invention can be implemented as system, method or
Program product.Therefore, various aspects of the invention can be embodied in the following forms, it may be assumed that complete hardware embodiment, complete
The embodiment combined in terms of full Software Implementation (including firmware, microcode etc.) or hardware and software, can unite here
Referred to as circuit, " module " or " system ".
The electronic equipment 1000 of this embodiment according to the present invention is described referring to Figure 10.The electricity that Figure 10 is shown
Sub- equipment 1000 is only an example, should not function to the embodiment of the present invention and use scope bring any restrictions.
As shown in Figure 10, electronic equipment 1000 is showed in the form of universal computing device.The component of electronic equipment 1000 can
To include but is not limited to: at least one processing unit 1010, at least one storage unit 1020, connection different system components (packet
Include storage unit 1020 and processing unit 1010) bus 1030, display unit 1040 etc..
Wherein, the storage unit is stored with program code, and said program code can be held by the processing unit 1010
Row, so that the processing unit 1010 executes described in the gamma correction method part of the above-mentioned OLED display panel of this specification
The step of various illustrative embodiments according to the present invention.For example, the processing unit 1010 can execute as shown in Figure 1
Step.
The storage unit 1020 may include the readable medium of volatile memory cell form, such as random access memory
Unit (RAM) 10201 and/or cache memory unit 10202 can further include read-only memory unit (ROM)
10203。
The storage unit 1020 can also include with one group of (at least one) program module 10205 program/it is practical
Tool 10204, such program module 10205 includes but is not limited to: operating system, one or more application program, other
It may include the realization of network environment in program module and program data, each of these examples or certain combination.
Bus 1030 can be to indicate one of a few class bus structures or a variety of, including storage unit bus or storage
Cell controller, peripheral bus, graphics acceleration port, processing unit use any bus structures in a variety of bus structures
Local bus.
Electronic equipment 1000 can also be with one or more external equipments 1100 (such as keyboard, sensing equipment, bluetooth equipment
Deng) communication, can also be enabled a user to one or more equipment interact with the electronic equipment 1000 communicate, and/or with make
The electronic equipment 1000 can with it is one or more of the other calculating equipment be communicated any equipment (such as router, modulation
Demodulator etc.) communication.This communication can be carried out by input/output (I/O) interface 1050.Also, electronic equipment 1000
Network adapter 1060 and one or more network (such as local area network (LAN), wide area network (WAN) and/or public affairs can also be passed through
Common network network, such as internet) communication.Network adapter 1060 can pass through other modules of bus 1030 and electronic equipment 1000
Communication.It should be understood that although not shown in the drawings, other hardware and/or software module, packet can be used in conjunction with electronic equipment 1000
It includes but is not limited to: microcode, device driver, redundant processing unit, external disk drive array, RAID system, magnetic tape drive
Device and data backup storage system etc..
Through the above description of the embodiments, those skilled in the art is it can be readily appreciated that example described herein is implemented
Mode can also be realized by software realization in such a way that software is in conjunction with necessary hardware.Therefore, according to the disclosure
The technical solution of embodiment can be embodied in the form of software products, which can store non-volatile at one
Property storage medium (can be CD-ROM, USB flash disk, mobile hard disk etc.) in or network on, including some instructions are so that a calculating
Equipment (such as can be personal computer etc.) executes the gamma school of the above-mentioned OLED display panel according to disclosure embodiment
Correction method.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by appended
Claim is pointed out.
Claims (14)
1. a kind of gamma correction method of organic LED display panel, which is characterized in that this method comprises:
Obtain the gamma curve to be corrected of organic LED display panel；
The first compensating parameter is obtained according to the gamma curve to be corrected and standard gamma curve；And
Ash is inputted less than first to the gamma curve to be corrected with the second compensating parameter for being less than first compensating parameter
The input grayscale of rank compensates,
Wherein, the first input grayscale is in low ash rank.
2. gamma correction method according to claim 1, which is characterized in that it is described according to the gamma curve to be corrected and
Standard gamma curve obtain the first compensating parameter the step of include:
Compensation y=ax+b is obtained according to gamma curve to be corrected and standard gamma curve,
Wherein, y indicates output grayscale, and x indicates input grayscale, and a indicates the value of the compensation multiple of input grayscale, and b indicates input ash
The value of the compensation rate of rank, the value of a are positive number for the value of positive number, b greater than 1,
Wherein, first compensating parameter and second compensating parameter include compensation multiple and compensation rate.
3. gamma correction method according to claim 2, which is characterized in that described with less than first compensating parameter
Second compensating parameter compensates the input grayscale less than the first input grayscale of the gamma curve to be corrected
As input grayscale is decreased to the second input grayscale from the first input grayscale, make the compensation of second compensating parameter
Multiple is linearly decreased to 1 from a；
As input grayscale is decreased to 0 grayscale from the second input grayscale, make the compensation multiple of second compensating parameter
1,
Wherein, the second input grayscale is less than the first input grayscale.
4. gamma correction method according to claim 3, which is characterized in that described with less than first compensating parameter
Second compensating parameter compensates the input grayscale less than the first input grayscale of the gamma curve to be corrected
As input grayscale is decreased to the second input grayscale from the first input grayscale, make second compensating parameter
Compensation rate is linearly decreased to 0 from b；
As input grayscale is decreased to 0 grayscale from the second input grayscale, make the compensation rate 0 of second compensating parameter.
5. gamma correction method according to claim 2, which is characterized in that described with less than first compensating parameter
Second compensating parameter compensates the input grayscale less than the first input grayscale of the gamma curve to be corrected
As input grayscale is decreased to the second input grayscale from the first input grayscale, make the compensation of second compensating parameter
Amount is linearly decreased to 0 from b；
As input grayscale is decreased to 0 grayscale from the second input grayscale, make the compensation rate 0 of second compensating parameter,
Wherein, the second input grayscale is less than the first input grayscale.
6. the gamma correction method according to any one of claim 3-5, which is characterized in that work as Organic Light Emitting Diode
When display panel has 256 grades of grayscale, the first input grayscale is in the range of 0 grayscale to 64 grayscale, second input
Grayscale is in the range of 0 grayscale to 7 grayscale.
7. a kind of gamma correcting device of organic LED display panel characterized by comprising
First obtains module, is configured as obtaining the gamma curve to be corrected of organic LED display panel；
Second obtains module, is configured as obtaining the first compensation ginseng according to the gamma curve to be corrected and standard gamma curve
Number；And
Compensating module is configured as with the second compensating parameter less than first compensating parameter to the small of gamma curve to be corrected
It is compensated in the input grayscale of the first input grayscale,
Wherein, the first input grayscale is in low ash rank.
8. gamma correcting device according to claim 7, which is characterized in that the second acquisition module is configured as:
Compensation y=ax+b is obtained according to gamma curve to be corrected and standard gamma curve,
Wherein, wherein y indicates output grayscale, and x indicates input grayscale, and a indicates the value of the compensation multiple of input grayscale, and b indicates defeated
Entering the value of the compensation rate of grayscale, the value of a is positive number for the value of positive number, b greater than 1,
Wherein, first compensating parameter and second compensating parameter include compensation multiple and compensation rate.
9. gamma correcting device according to claim 8, which is characterized in that the compensating module is configured as:
As input grayscale is decreased to the second input grayscale from the first input grayscale, make the compensation of second compensating parameter
Multiple is linearly decreased to 1 from a；
As input grayscale is decreased to 0 grayscale from the second input grayscale, make the compensation multiple of second compensating parameter
1,
Wherein, the second input grayscale is less than the first input grayscale.
10. gamma correcting device according to claim 9, which is characterized in that the compensating module is configured as:
As input grayscale is decreased to the second input grayscale from the first input grayscale, make second compensating parameter
Compensation rate is linearly decreased to 0 from b；
As input grayscale is decreased to 0 grayscale from the second input grayscale, make the compensation rate 0 of second compensating parameter.
11. gamma correcting device according to claim 8, which is characterized in that the compensating module is configured as:
As input grayscale is decreased to the second input grayscale from the first input grayscale, make the compensation of second compensating parameter
Amount is linearly decreased to 0 from b；
As input grayscale is decreased to 0 grayscale from the second input grayscale, make the compensation rate 0 of second compensating parameter,
Wherein, the second input grayscale is less than the first input grayscale.
12. the gamma correcting device according to any one of claim 9-11, which is characterized in that work as organic light-emitting diodes
When pipe display panel has 256 grades of grayscale, for the first input grayscale in the range of 0 grayscale to 64 grayscale, described second is defeated
Enter grayscale in the range of 0 grayscale to 7 grayscale.
13. a kind of electronic equipment characterized by comprising
Processor；And
Memory is stored with computer program, when the computer program is executed by processor, realizes in claim 1-6
Described in any item methods.
14. a kind of computer storage medium, is stored with computer program, real when the computer program is executed by processor
Existing method of any of claims 1-6.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110021271A (en) * | 2019-05-23 | 2019-07-16 | 京东方科技集团股份有限公司 | Optical compensation method, optical compensating system, display methods and display device |
| CN110017969A (en) * | 2019-05-05 | 2019-07-16 | 清华大学 | The parameter determination method and device of transparent OLED |
| CN111599320A (en) * | 2020-06-22 | 2020-08-28 | 京东方科技集团股份有限公司 | Backlight adjusting method and device of display device and display device |
| CN112581909A (en) * | 2020-12-30 | 2021-03-30 | 北京奕斯伟计算技术有限公司 | Display compensation method and device and display device |
| CN113744691A (en) * | 2021-09-10 | 2021-12-03 | 昇显微电子(苏州)有限公司 | Organic Light Emitting Diode (OLED) panel Demura method and device |
| CN113948041A (en) * | 2021-10-13 | 2022-01-18 | 昆山国显光电有限公司 | Brightness compensation method and device of display panel and electronic equipment |
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| CN114582266A (en) * | 2022-03-08 | 2022-06-03 | 武汉天马微电子有限公司 | Method and device for obtaining compensation parameters of display panel |
| US11367378B2 (en) | 2020-07-02 | 2022-06-21 | Au Optronics Corporation | Driving method and display device |
| US20220343827A1 (en) * | 2021-04-23 | 2022-10-27 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display device, driving method thereof, and electronic device |
| WO2022222176A1 (en) * | 2021-04-23 | 2022-10-27 | 武汉华星光电半导体显示技术有限公司 | Display apparatus and driving method therefor, and electronic device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1291403A (en) * | 1998-12-21 | 2001-04-11 | 皇家菲利浦电子有限公司 | Digital correction of Linear appoximation of gamma |
| EP1136979A2 (en) * | 2000-03-24 | 2001-09-26 | E-Color, Inc. | Method and system for characterizing color display monitor output |
| US20020041287A1 (en) * | 1998-11-13 | 2002-04-11 | Engeldrum Peter G. | Method and system for characterizing color display monitor output |
| JP4103528B2 (en) * | 2002-10-08 | 2008-06-18 | セイコーエプソン株式会社 | Gradation characteristic table generation method, generation program, generation apparatus, and image display apparatus |
| CN104821157A (en) * | 2014-01-30 | 2015-08-05 | 夏普株式会社 | Display calibration system |
| CN105304052A (en) * | 2015-11-25 | 2016-02-03 | 深圳市华星光电技术有限公司 | Liquid crystal display driving system and liquid crystal display driving method |
| JP6082953B2 (en) * | 2012-04-16 | 2017-02-22 | 株式会社Ｊｏｌｅｄ | Manufacturing method of display device |
| CN106782283A (en) * | 2017-02-27 | 2017-05-31 | 京东方科技集团股份有限公司 | The gamma curve correcting method and display device of a kind of display device |
| CN106991982A (en) * | 2017-05-03 | 2017-07-28 | 深圳市华星光电技术有限公司 | A kind of mura phenomenons compensation method of display panel and display panel |
| CN108766372A (en) * | 2018-04-28 | 2018-11-06 | 咸阳彩虹光电科技有限公司 | A method of improving the mura phenomenons of display panel |
| CN108877652A (en) * | 2018-06-27 | 2018-11-23 | 武汉华星光电半导体显示技术有限公司 | Optical compensation method and OLED display |
-
2019
- 2019-01-07 CN CN201910011753.5A patent/CN109448638B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020041287A1 (en) * | 1998-11-13 | 2002-04-11 | Engeldrum Peter G. | Method and system for characterizing color display monitor output |
| CN1291403A (en) * | 1998-12-21 | 2001-04-11 | 皇家菲利浦电子有限公司 | Digital correction of Linear appoximation of gamma |
| EP1136979A2 (en) * | 2000-03-24 | 2001-09-26 | E-Color, Inc. | Method and system for characterizing color display monitor output |
| JP4103528B2 (en) * | 2002-10-08 | 2008-06-18 | セイコーエプソン株式会社 | Gradation characteristic table generation method, generation program, generation apparatus, and image display apparatus |
| JP6082953B2 (en) * | 2012-04-16 | 2017-02-22 | 株式会社Ｊｏｌｅｄ | Manufacturing method of display device |
| CN104821157A (en) * | 2014-01-30 | 2015-08-05 | 夏普株式会社 | Display calibration system |
| CN105304052A (en) * | 2015-11-25 | 2016-02-03 | 深圳市华星光电技术有限公司 | Liquid crystal display driving system and liquid crystal display driving method |
| CN106782283A (en) * | 2017-02-27 | 2017-05-31 | 京东方科技集团股份有限公司 | The gamma curve correcting method and display device of a kind of display device |
| CN106991982A (en) * | 2017-05-03 | 2017-07-28 | 深圳市华星光电技术有限公司 | A kind of mura phenomenons compensation method of display panel and display panel |
| CN108766372A (en) * | 2018-04-28 | 2018-11-06 | 咸阳彩虹光电科技有限公司 | A method of improving the mura phenomenons of display panel |
| CN108877652A (en) * | 2018-06-27 | 2018-11-23 | 武汉华星光电半导体显示技术有限公司 | Optical compensation method and OLED display |
Non-Patent Citations (2)
| Title |
|---|
| 韦海成； 张小宁； 刘纯亮；: "《PDP低灰度级图像反伽马校正色彩还原方法》", 《真空科学与技术学报》 * |
| 韦海成； 赵静；: "《基于实测校正因子的实时伽马校正算法》", 《电视技术》 * |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017969A (en) * | 2019-05-05 | 2019-07-16 | 清华大学 | The parameter determination method and device of transparent OLED |
| CN110021271A (en) * | 2019-05-23 | 2019-07-16 | 京东方科技集团股份有限公司 | Optical compensation method, optical compensating system, display methods and display device |
| CN111599320A (en) * | 2020-06-22 | 2020-08-28 | 京东方科技集团股份有限公司 | Backlight adjusting method and device of display device and display device |
| CN111599320B (en) * | 2020-06-22 | 2021-03-16 | 京东方科技集团股份有限公司 | Backlight adjusting method and device of display device and display device |
| US11915661B2 (en) | 2020-06-22 | 2024-02-27 | Beijing Boe Optoelectronics Technology Co., Ltd. | Backlight adjusting method of display device, backlight adjusting device and display device |
| US11367378B2 (en) | 2020-07-02 | 2022-06-21 | Au Optronics Corporation | Driving method and display device |
| CN112581909A (en) * | 2020-12-30 | 2021-03-30 | 北京奕斯伟计算技术有限公司 | Display compensation method and device and display device |
| WO2022222176A1 (en) * | 2021-04-23 | 2022-10-27 | 武汉华星光电半导体显示技术有限公司 | Display apparatus and driving method therefor, and electronic device |
| US20220343827A1 (en) * | 2021-04-23 | 2022-10-27 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display device, driving method thereof, and electronic device |
| US11699381B2 (en) * | 2021-04-23 | 2023-07-11 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display device, driving method thereof, and electronic device |
| CN113744691A (en) * | 2021-09-10 | 2021-12-03 | 昇显微电子(苏州)有限公司 | Organic Light Emitting Diode (OLED) panel Demura method and device |
| CN113948041A (en) * | 2021-10-13 | 2022-01-18 | 昆山国显光电有限公司 | Brightness compensation method and device of display panel and electronic equipment |
| CN114067731A (en) * | 2021-11-27 | 2022-02-18 | 卡莱特云科技股份有限公司 | Low gray scale correction method and device for LED display screen and brightness correction system |
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| CN114267292B (en) * | 2021-12-29 | 2023-08-11 | 武汉天马微电子有限公司 | Display driving method, display driver and display device |
| CN114582266A (en) * | 2022-03-08 | 2022-06-03 | 武汉天马微电子有限公司 | Method and device for obtaining compensation parameters of display panel |
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