CN109616054A - Luminance compensation method, display and computer storage medium - Google Patents
Luminance compensation method, display and computer storage medium Download PDFInfo
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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]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3233—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
-
- 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
Abstract
The embodiment of the present application discloses a kind of luminance compensation method, display and computer storage medium, luminance compensation method is applied in display, display is configured with detection device, luminance compensation method includes: after accessing driving current, light emitting pixel is detected by detection device, obtains the corresponding real-time light parameter of light emitting pixel；According to the corresponding initial parameter of light emitting pixel and real-time light parameter, judge display with the presence or absence of Mura；If it is determined that there are Mura, then according to real-time light parameter regulation driving current, to carry out luminance compensation.
Description
Technical field
The invention relates to technical field of flat panel display more particularly to a kind of luminance compensation methods, display and meter
Calculation machine storage medium.
Background technique
In the range of being greater than a pixel, when showing pure gray level image the phenomenon that brightness irregularities, i.e., alleged by industry
Mura phenomenon.Mura was a Japanese originally, and as the liquid crystal display of Japan is widely used all over the world, this word exists
Display circle reforms into the general standard of display industry.Mura phenomenon has become the bottleneck for restricting display development.
Currently, can be dropped during manufacturing by improving the methods of technological level or raising material purity
The probability of happening of low Mura phenomenon；For the display that completed, physical characteristic has been formed, the prior art is main
Come the brightness of correction pixels point by way of carrying out luminance compensation to display image, and then improve Mura phenomenon.However, for
It is aobvious by three kinds of the RGB luminous Organic Light Emitting Diodes (Organic Light-Emitting Diode, OLED) of single primary colors
For display screen, different pigment die-away times it is different caused by Mura phenomenon, i.e. brightness irregularities the phenomenon that, do not have
The compensation method of effect.
Summary of the invention
The embodiment of the present application provides a kind of luminance compensation method, display and computer storage medium, can effectively show
Show that the brightness of device compensates, to realize the real-time compensation to Mura, improves display effect.
The technical solution of the embodiment of the present application is achieved in that
The embodiment of the present application provides a kind of luminance compensation method, and the luminance compensation method is applied in display, institute
Display is stated configured with detection device, which comprises
After accessing driving current, light emitting pixel is detected by the detection device, obtains the luminous picture
The corresponding real-time light parameter of element；
According to the corresponding initial parameter of the light emitting pixel and the real-time light parameter, judge whether the display is deposited
In Mura；
If it is determined that there are the Mura, then according to driving current described in the real-time light parameter regulation, described in carrying out
Luminance compensation.
In the above scheme, the real-time light parameter includes Real-time intensity or real-time luminosity.
In the above scheme, when the display is top light emitting mechanism, described in the cathode layer configuration of the display
Detection device.
In the above scheme, when the display is bottom-emission mechanism, the back side plate configuration institute of the display
State detection device.
In the above scheme, described according to the corresponding initial parameter of the light emitting pixel and the real-time light parameter, sentence
The display that breaks whether there is Mura, comprising:
When the real-time light parameter is not equal to the initial parameter, determine that there are the Mura；
When the real-time light parameter is equal to the initial parameter, determine that the Mura is not present.
In the above scheme, described according to driving current described in the real-time light parameter regulation, to carry out the brightness
Compensation, comprising:
The driving current is adjusted according to the real-time light parameter, the driving current after being adjusted；
Driving current after accessing the adjusting, to carry out the luminance compensation.
In the above scheme, described according to driving current described in the real-time light parameter regulation, to carry out the brightness
Compensation, comprising:
According to the initial parameter and the real-time light parameter, target current is determined；
The adjusting of the driving current is carried out, according to the target current to carry out the luminance compensation.
In the above scheme, described according to the initial parameter and the real-time light parameter, it determines target current, wraps
It includes:
According to the initial parameter and the real-time light parameter, ratio value is determined；
According to the ratio value and the driving current, the target current is determined.
The embodiment of the present application provides a kind of display, and the display is configured with detection device, and the display includes:
Detection unit, judging unit and adjusting unit,
The detection unit, for being examined by the detection device to light emitting pixel after accessing driving current
It surveys, obtains the corresponding real-time light parameter of the light emitting pixel；
The judging unit, for sentencing according to the corresponding initial parameter of the light emitting pixel and the real-time light parameter
The display that breaks whether there is Mura；
The adjusting unit, for if it is determined that there are the Mura, then according to drive described in the real-time light parameter regulation
Streaming current, to carry out the luminance compensation.
In the above scheme, the real-time light parameter includes Real-time intensity or real-time luminosity.
In the above scheme, when the display is top light emitting mechanism, described in the cathode layer configuration of the display
Detection device.
In the above scheme, when the display is bottom-emission mechanism, the back side plate configuration institute of the display
State detection device.
In the above scheme, the judging unit is specifically used for being not equal to the original ginseng when the real-time light parameter
When number, determine that there are the Mura；And when the real-time light parameter is equal to the initial parameter, determine that there is no described
Mura。
In the above scheme, the adjusting unit is specifically used for according to the real-time light parameter to the driving current
It is adjusted, the driving current after being adjusted；And the driving current after the access adjusting, to carry out the brightness benefit
It repays.
In the above scheme, the adjusting unit is determined with specific reference to the initial parameter and the real-time light parameter
Target current；And the adjusting of the driving current is carried out according to the target current, to carry out the luminance compensation.
In the above scheme, the adjusting unit is specifically used for according to the initial parameter and the real-time light parameter,
Determine ratio value；And according to the ratio value and the driving current, determine the target current.
The embodiment of the present application provides a kind of display, which is characterized in that the display includes processor, stores
State the memory of processor-executable instruction, cathode layer, organic luminous layer and anode strap, wherein the display is configured with
Detection device realizes luminance compensation method as described above when described instruction is executed by the processor.
The embodiment of the present application provides a kind of computer readable storage medium, is stored thereon with program, is applied to display
In, when described program is executed by processor, realize luminance compensation method as described above.
The embodiment of the present application provides a kind of luminance compensation method, display and computer storage medium, above-mentioned luminance compensation
Method is applied in display, and display is configured with detection device, and display passes through detection device after accessing driving current
Light emitting pixel is detected, the corresponding real-time light parameter of light emitting pixel is obtained；According to the corresponding initial parameter of light emitting pixel
With real-time light parameter, judge display with the presence or absence of Mura；If it is determined that then being driven according to real-time light parameter regulation there are Mura
Streaming current, to carry out luminance compensation.It can be seen that display can be filled by the detection configured in embodiments herein
It sets and the light of light emitting pixel transmission is detected, obtain corresponding real-time light parameter, deposited according to the determination of real-time light parameter
In Mura, driving current is adjusted according to real-time light parameter, and then can effectively the brightness to display be carried out
Compensation improves display effect to realize the real-time compensation of Mura.
Detailed description of the invention
Fig. 1 is Mura phenomenon schematic diagram one；
Fig. 2 is Mura phenomenon schematic diagram two；
Fig. 3 is the schematic diagram of two kinds of luminous mechanisms of AMOLED；
Fig. 4 is a kind of implementation process schematic diagram for luminance compensation method that the embodiment of the present application proposes；
Fig. 5 is the position view one of detection device in the embodiment of the present application；
Fig. 6 is the position view two of detection device in the embodiment of the present application；
Fig. 7 is the composed structure schematic diagram one for the display that the embodiment of the present application proposes；
Fig. 8 is the composed structure schematic diagram two for the display that the embodiment of the present application proposes.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description.It is understood that specific embodiment described herein is used only for explaining related application, rather than to this application
Restriction.It also should be noted that illustrating only part relevant to related application for ease of description, in attached drawing.
OLED, also known as Organic Electricity laser display, organic luminous semiconductor.Due to OLED display technology have self-luminous,
Wide viewing angle, almost infinite high contrast, compared with low power consumption, high reaction speed the advantages that, user likes OLED screen further.
The OLED of green light is most effective device, this is because human eye is most sensitive to green light.With Coumarin doped Alq
Device have 5~6lm/W efficiency.According to reported in literature, the OLED of the maximum green light of efficiency is the effect made of Sano
Rate is 15lm/W.Compared with the OLED of green light, to glowing and the research work much less of the OLED of blue light.Efficiency is best
The OLED of blue light-emitting is developed by Hosokawa of Idemitsu et al., luminous efficiency 5.0lm/W, corresponding dose,surface
Sub- efficiency is 2.4%.Pyrans nitrile dyestuff is mixed into Alq, the OLED device to glow, luminous efficiency 2.5lm/W has been made.
Luminous efficiency be all luminous intensity be about 100cd/m2 or it is smaller under the conditions of measure.And the OLED of practical application is by more
Road driving, maximum luminous intensity wants higher.Therefore, display pixel can be driven to very high luminous intensity, cause to send out
Light efficiency decline.That is, luminous efficiency will be reduced because of the increase of driving voltage as light emission luminance increases.Green light
OLED, light emission luminance be 10000cd/m2 when, luminous efficiency is reduced to 2lm/W, only 30% under low-light level.It glows
With the OLED of blue light, luminous efficiency reduces more with the increase of light emission luminance.
Display device maintain a constant current under conditions of, measurement from original intensity drop to a half intensity when
Between.In 2000cd/m2, the working life of device has reached 1000 hours for brightness.The device that doping rubrene obtains, it is initial
Brightness is 500cd/m2, the half intensity service life is 3000 hours.It is brightness and half intensity longevity to the best magnitude that the service life is compared
The product of life.Under the magnitude the longest device of service life be green light be 7000000cd/m2-hr, blue light 300000cd/m2-
Hr, it is red-orange be 1600000cd/m2-hr.The storage life of the OLED device of one double sealing is about 5 years.Present
The service life of OLED has produced the oled panel of larger size considerably beyond 5000 hours, and color is very
It is bright-coloured.In terms of fluorescent material, it is material that Japan goes out the emerging production of light that performance is highest.Red efficiency has reached 11cd/A, and the service life is high
Up to 160,000 hours；Green light efficiency reaches 30cd/A, and the service life is 60,000 hours；High efficiency just in exploitation, long-life blue light material
BD-2 (0.13,0.22), efficiency 8.7cd/A, the service life 2.3 ten thousand hours.In terms of phosphor material, red light material chromaticity coordinate is
(0.67,0.33), efficiency reach 15cd/A, and working life is more than 150,000 hours under 500cd/m^2；Green light material chromaticity coordinates is
(0.34,0.61), efficiency reach 65cd/A, and when original intensity is 1000cd/m^2, the service life is more than 40,000 hours；It is most un-come-at-able
Blue phosphor materials efficiency has reached 30cd/A, and under the original intensity of 200cd/m^2, the service life has reached 100,000 hours.
OLED display screen is shone by the single primary colors of three kinds of RGB, forms a pigment pixel, different pigments, decaying
Time is different, for example, life time is shorter due to blue and red pigments raw material problem itself, when decaying is very fast, when leading to long
Between using after OLED display screen, the case where providing same size of current, green decays slower, and light intensity is stronger；And it is red secondly,
Blue decaying is most fast.That is, be used for a long time after OLED display screen, in same size of current, the luminous picture of difference
The light intensity of element is different, causes display screen whole partially green, the phenomenon that Mura occurs, affect user experience.
Mura was a Japanese originally, and as the liquid crystal display of Japan is widely used all over the world, this word is aobvious
Shi Qi circle reforms into the general standard of display industry, refers generally to that display brightness is uneven, causes showing for various traces
As.The criterion of Mura can cannot have particularly apparent brightness disproportionation phenomenon to estimate at Gray127, while ensure
Normal use interface is invisible.Fig. 1 is Mura phenomenon schematic diagram one, as shown in Figure 1, left side, right side, top in display screen
And bottom is all likely to occur Mura；Fig. 2 is Mura phenomenon schematic diagram two, as shown in Fig. 2, Mura phenomenon may be vertically to go out
It is existing, parallel to occur, occur simultaneously in the left and right sides and occur simultaneously in top and bottom.
According to the difference of driving method, OLED be divided into passive type OLED (Passive Matrix, PMOLED) and
Active OLED (Active Matrix, AMOLED).Wherein, for AMOLED driving method, and top hair can be specifically divided into
Ray machine system and bottom-emission mechanism.Fig. 3 is the schematic diagram of two kinds of luminous mechanisms of AMOLED, as shown in figure 3, AMOLED has cathode
Layer, organic luminous layer and anode strap.Unlike PMOLED, AMOLED is but whole there is no the anode and cathode of strip
The anode and cathode of layer.In top lighting structure, light will not be driven blocking for circuit, possess more compared to bottom light emitting structure
High aperture opening ratio, thus in the application of high-res with greater advantage, therefore it has been increasingly becoming the mainstream of AMOLED.
PMOLED is to apply cathode layer from electric current to selection and anode strap by external circuit, so which pixel hair determined
Light, which pixel do not shine, and AMOLED is then more thin film transistor arrays among cathode and screen, for determining
Pixel is bright or does not work.External circuits just because of thin film transistor (TFT) array compared to PMOLED will expend less energy, and
And there is faster metachromasia rate, therefore AMOLED, compared with PMOLED, advantage is that driving voltage is low, the light-emitting component service life
It is long, the disadvantage is that higher cost and complex manufacturing technology.
For AMOLED driving method, display panel includes multiple dot structures, and each dot structure includes having to open
Close the low-temperature polysilicon film transistor and charge storage capacitance of function.It should be noted that driving circuit and array of display are whole
A system integration is on same glass substrate.Wherein, other than the low-temperature polysilicon film transistor with switching function,
The common OLED drive of AMOLED driving method can also include a driving thin film transistor (TFT), and this structure is also referred to as
2T1C structure.
The luminance compensation method that the embodiment of the present application proposes can feed back RGB RGB picture based on AMOLED luminous mechanism
The light luminance or intensity value of element improve Mura, are formed in the principle of Mura according to OLED display screen, shine for difference
Pixel carries out the detection of light intensity or brightness, to determine the real-time light parameter of different pixels point, to adjust driving electricity
The size of stream to realize the luminance compensation to display, and then realizes the real-time compensation of Mura.Specifically, display can lead to
The detection device for crossing configuration carries out light intensity or brightness detection, so as to further determine that out that light emitting pixel is corresponding in real time
Light parameter, and driving current is adjusted according to real-time light parameter, it is protected so that each pigmentary colours when picture are presented
It holds consistent with original image, and then the luminance compensation to display may be implemented, to carry out real-time compensation to Mura.
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description.
One embodiment of the application provides a kind of luminance compensation method, and Fig. 4 is a kind of brightness that the embodiment of the present application proposes
The implementation process schematic diagram of compensation method, as shown in figure 4, display carries out the side of luminance compensation in embodiments herein
Method may comprise steps of:
Step 101, after accessing driving current, light emitting pixel is detected by detection device, obtain shine picture
The corresponding real-time light parameter of element.
In embodiments herein, display, can be by detection device to luminous picture after accessing driving current
The corresponding light of element is detected, it is hereby achieved that the corresponding real-time light parameter of light emitting pixel.
It should be noted that display can be to be shone by three kinds of RGB single primary colors in embodiments herein
Display, such as OLED display screen.
Further, in embodiments herein, display can show for the OLED based on AMOLED luminous mechanism
Device.Specifically, display may include anode layer, cathode layer and organic luminous layer.Wherein, organic luminous layer is set to anode
Between layer and cathode layer.Specifically, for AMOLED luminous mechanism, thin film crystal can be increased among cathode and screen
Pipe array, for determining that pixel is bright or does not work.Wherein, AMOLED luminous mechanism may include top light emitting mechanism and bottom hair
Two kinds of ray machine system.
It should be noted that in embodiments herein, anode layer is preferably but not limited to as ITO material, and cathode layer is excellent
It selects but is not limited to metal material.
Further, in embodiments herein, display can also include substrate, wherein substrate can be glass
Material, the embodiment of the present application are not especially limited.
Further, in embodiments herein, detection device can be configured in display, wherein detection device
It can be used for carrying out the detection of light intensity or brightness, for example, detection device can be light intensity detector, or brightness inspection
Survey device.That is, the detection device configured in display can be to the light of light emitting pixel transmission after accessing driving current
Line is detected, and the corresponding real-time light parameter of light emitting pixel is obtained.
It should be noted that in the implementation of the application, just because of in same size of current, the luminous pictures of difference
The light intensity of element is different, so as to cause the brightness irregularities of display screen, the phenomenon that Mura occurs, and therefore, display is carrying out brightness
When compensation, in addition to that can be detected to light luminance, light intensity can also be detected.
It should be noted that the corresponding real-time light parameter of light emitting pixel may include hair in embodiments herein
The corresponding Real-time intensity of light pixel or real-time luminosity.
It should be noted that in embodiments herein, since the OLED display based on AMOLED luminous mechanism is
Carried out by tri- monochromes of RGB luminous, that is, the light emitting pixel being driven to emit light can be R pixel, G pixel or B pixel.
It should be noted that in embodiments herein, when display is top light emitting mechanism, display can be
Cathode layer configuration detection device.It is the position view one of detection device in the embodiment of the present application based on above-mentioned Fig. 3, Fig. 5, such as schemes
Shown in 5, for top light emitting mechanism, display can be sent out in cathode layer configuration detection device for any one light emitting pixel
Light out carries out brightness or intensity detection, obtains the corresponding real-time light parameter of light emitting pixel.
It should be noted that in embodiments herein, when display is bottom-emission mechanism, display can be
Back side plate configuration detection device.It is the position view two of detection device in the embodiment of the present application based on above-mentioned Fig. 3, Fig. 6, such as
Shown in Fig. 6, for top light emitting mechanism, display can overleaf plate configuration detection device, when the light that light emitting pixel issues
When the pole plate of the line back side, detection device can carry out the real-time detection of light intensity or brightness, obtain the corresponding reality of light emitting pixel
When light parameter.
It should be noted that in embodiments herein, since light emitting pixel can be R pixel, G pixel or B picture
Element, simultaneously as different pigments corresponding die-away time is different, therefore, for different light emitting pixels, display, which calculates, to be obtained
Real-time light parameter may not be identical.
Step 102, according to the corresponding initial parameter of light emitting pixel and real-time light parameter, judge that display whether there is
Mura。
In embodiments herein, display is carrying out light detection to light emitting pixel by detection device, is sent out
After the corresponding real-time light parameter of light pixel, display can join according to the corresponding initial parameter of light emitting pixel and real-time light
Number further judges aforementioned display device with the presence or absence of Mura.
Further, in the implementation of the application, display can first obtain the corresponding initial parameter of light emitting pixel.
It should be noted that display can be calculated according to the driving current of access and be obtained in embodiments herein
Initial parameter corresponding with driving current and light emitting pixel.Wherein, it when initial parameter can be characterized in a certain driving current, shines
The corresponding light parameter of the light that pixel issues in loss-free situation.
Further, in the implementation of the application, for the driving current of identical size, corresponding initial parameter may
Identical, still, since different pigments corresponding die-away time is different, corresponding real-time light parameter may not be identical, therefore, right
In different light emitting pixels, display is according to initial parameter and implements when light parameter carries out Mura judgement result obtained simultaneously
It is not identical.
It should be noted that in embodiments herein, for the same light emitting pixel, if its corresponding original ginseng
Several and real-time light parameter is not identical, then display can think that there are Mura, it is therefore desirable to which further progress brightness is mended
It repays, to realize the compensation to Mura.
Step 103, if it is determined that there are Mura, then according to real-time light parameter regulation driving current, to carry out luminance compensation.
In embodiments herein, display according to the corresponding initial parameter of light emitting pixel and real-time light parameter,
Determine that display, can be according to real-time light parameter regulation driving current, to carry out luminance compensation there are after Mura.
It should be noted that display is carrying out driving current according to real-time light parameter in embodiments herein
Adjusting when, real-time light parameter initial parameter corresponding with light emitting pixel can be compared, so as to according to comparing
As a result driving current is adjusted.
Further, in embodiments herein, display is to real-time light parameter original corresponding with light emitting pixel
After beginning parameter is compared, the ratio between real-time light parameter and initial parameter can be determined, then according to the ratio
Further driving current is adjusted.
Further, in embodiments herein, display, can also direct root after the real-time light parameter of determination
Driving current is adjusted in light parameter when factually, so that it is determined that the driving current after adjusting, after being then directly accessed adjusting
Driving current, to carry out luminance compensation.
It should be noted that display is joined according to the corresponding real-time light of light emitting pixel in embodiments herein
When number carries out the adjusting of driving current, since for different light emitting pixels, corresponding real-time light parameter may not be identical, because
This is not also identical to drive current adjustment degree according to real-time light parameter.Also just because of the application according to different light emitting pixels
Corresponding real-time light parameter carries out the real-time adjusting of different degrees of driving current to different light emitting pixels, to realize to display
The luminance compensation of device, and then realize the real-time compensation of Mura.
Present applicant proposes a kind of luminance compensation method, above-mentioned luminance compensation method is applied in display, and display is matched
It is equipped with detection device, display detects light emitting pixel after accessing driving current, through detection device, shone
The corresponding real-time light parameter of pixel；According to the corresponding initial parameter of light emitting pixel and real-time light parameter, judge that display is
It is no that there are Mura；If it is determined that there are Mura, then according to real-time light parameter regulation driving current, to carry out luminance compensation.Thus
As it can be seen that display can be examined by the light that the detection device configured transmits light emitting pixel in embodiments herein
It surveys, obtains corresponding real-time light parameter, determine according to real-time light parameter there are when Mura, according to real-time light parameter pair
Driving current is adjusted, and then can effectively compensate to the brightness of display, thus realize the real-time compensation of Mura,
Improve display effect.
Based on the above embodiment, in the another embodiment of the application, display is according to the corresponding original ginseng of light emitting pixel
Several and real-time light parameter judges that display may comprise steps of with the presence or absence of the method for Mura:
Step 102a, when real-time light parameter is not equal to initial parameter, determine that there are Mura.
In embodiments herein, display is after detection obtains the corresponding real-time light parameter of light emitting pixel, such as
Light parameter is not equal to the corresponding initial parameter of light emitting pixel when fruit, then display can be determined that there are Mura.
It should be noted that in embodiments herein, display determine the corresponding initial parameter of light emitting pixel and
After real-time light parameter, the initial parameter of the same light emitting pixel and real-time light parameter can be compared, so as to
To further determine whether that there are Mura according to comparison result.
Further, in embodiments herein, display is compared to initial parameter and real-time light parameter
Later, if light parameter is not equal to initial parameter in real time, display can think the light that light emitting pixel issues
Intensity or brightness do not meet normal intensity corresponding with driving current or brightness, i.e., there may be lost and decline for light emitting pixel
Subtract, the color and original image of presentation are not consistent, and therefore, display can be determined that there are Mura.
Step 102b, when real-time light parameter is equal to initial parameter, determine that Mura is not present.
In embodiments herein, display is after detection obtains the corresponding real-time light parameter of light emitting pixel, such as
Light parameter is equal to the corresponding initial parameter of light emitting pixel when fruit, then display can be determined that there is no Mura.
Further, in embodiments herein, display is compared to initial parameter and real-time light parameter
Later, if light parameter is equal to initial parameter in real time, display can think the strong of the light that light emitting pixel issues
Degree or brightness meet normal intensity corresponding with driving current or brightness, that is, the color presented and original image are simultaneously different
It causes, therefore, display can be determined that there is no Mura.
It should be noted that in embodiments herein, since the OLED display based on AMOLED luminous mechanism is
Carried out by tri- monochromes of RGB luminous, that is to say, that light emitting pixel can be R pixel, G pixel or B pixel, meanwhile, by
Different in different pigments corresponding die-away time, therefore, the corresponding real-time light parameter of different light emitting pixels may not be identical.
For example, the corresponding real-time light parameter of a G pixel is likely larger than the corresponding real-time light parameter of a R pixel.Therefore, in root
When according to initial parameter and real-time light parameter to the judgement that whether there is Mura, the corresponding judgement result of different light emitting pixels can
It can not be identical.
In embodiments herein, further, display is according to real-time light parameter regulation driving current, to carry out
The method of luminance compensation may comprise steps of:
Step 201 is adjusted driving current according to real-time light parameter, the driving current after being adjusted.
In embodiments herein, display according to the corresponding initial parameter of light emitting pixel and real-time light parameter,
Determine that display there are after Mura, is adjusted driving current according to real-time light parameter, the driving electricity after being adjusted
Stream.
It should be noted that display can be directly by the corresponding Real-Time Optical of light emitting pixel in embodiments herein
Line parameter initial parameter corresponding with light emitting pixel is compared, then can be further according to comparison result to light emitting pixel pair
The driving current answered is adjusted.
Further, in the implementation of the application, real-time light parameter is being compared it with initial parameter by display
Afterwards, if light parameter is less than initial parameter in real time, light emitting pixel needs bigger driving current to be driven, therefore,
Display can increase driving current when carrying out current regulation, thus the driving current after being adjusted.
Driving current after step 202, access adjusting, to carry out luminance compensation.
In embodiments herein, display is adjusted driving current according to real-time light parameter, is adjusted
After driving current after section, the driving current after adjusting can be accessed, so as to carry out luminance compensation.
Further, in embodiments herein, since the different corresponding real-time light parameters of light emitting pixel may
Not identical, therefore, the driving current after the corresponding adjusting of different light emitting pixels may also be different.
It should be noted that in embodiments herein, brightness and intensity and application due to each light emitting pixel
The size of driving current is directly proportional, therefore, when the real-time light parameter of light emitting pixel is less than initial parameter, can pass through drive
The increase of streaming current improves real-time light parameter, so as to carry out luminance compensation, to have the function that compensate Mura.
In embodiments herein, further, display is according to real-time light parameter regulation driving current, to carry out
The method of luminance compensation can with the following steps are included:
Step 203, according to initial parameter and real-time light parameter, determine target current.
In embodiments herein, display is sentenced according to the corresponding initial parameter of light emitting pixel and real-time light parameter
Display is determined there are after Mura, can determine to use according to the corresponding real-time light parameter of initial parameter and light emitting pixel
In the electric current for carrying out luminance compensation, i.e. target current.
Further, in embodiments herein, display can by the corresponding real-time light parameter of light emitting pixel with
The corresponding initial parameter of light emitting pixel is compared, and then can be further determined according to comparison result to target current.
Further, in embodiments herein, display is determining mesh according to initial parameter and real-time light parameter
When marking electric current, ratio value can be determined first according to initial parameter and real-time light parameter.Specifically, since light emitting pixel may
There are decaying, real-time light parameter is caused to be unsatisfactory for initial parameter, therefore display can be calculated first and obtain real-time light parameter
For the accounting of initial parameter, i.e. ratio value.
Further, in embodiments herein, display can continue basis after calculating acquisition ratio value
Ratio value and driving current determine the target current for carrying out luminance compensation.
It should be noted that in embodiments herein, since light emitting pixel can be R pixel, G pixel or B picture
Element, simultaneously as different pigments corresponding die-away time is different, therefore, the corresponding real-time light parameter of different light emitting pixels
May not be identical, correspondingly, the corresponding target current of different light emitting pixels may also be different.For example, the corresponding reality of a G pixel
When light parameter be likely larger than the corresponding real-time light parameter of a B pixel, therefore, in the brightness and intensity of each light emitting pixel
On the basis of directly proportional to the size of the driving current of application, display calculates the corresponding target current of G pixel obtained can
The corresponding target current of B pixel can be less than, i.e. the B pixel may need bigger driving current to carry out luminance compensation.
Step 204, the adjusting that driving current is carried out according to target current, to carry out luminance compensation.
In embodiments herein, display according to initial parameter and real-time light parameter, determine target current it
Afterwards, the adjusting of driving current can be carried out, according to target current so as to carry out luminance compensation.
It should be noted that in embodiments herein, display after determining the target current of light emitting pixel,
Driving circuit can be controlled, the corresponding driving current of light emitting pixel is adjusted in real time according to target current, so as into
Row luminance compensation.
Present applicant proposes a kind of luminance compensation method, above-mentioned luminance compensation method is applied in display, and display is matched
It is equipped with detection device, display detects light emitting pixel after accessing driving current, through detection device, shone
The corresponding real-time light parameter of pixel；According to the corresponding initial parameter of light emitting pixel and real-time light parameter, judge that display is
It is no that there are Mura；If it is determined that there are Mura, then according to real-time light parameter regulation driving current, to carry out luminance compensation.Thus
As it can be seen that display can be examined by the light that the detection device configured transmits light emitting pixel in embodiments herein
It surveys, obtains corresponding real-time light parameter, determine according to real-time light parameter there are when Mura, according to real-time light parameter pair
Driving current is adjusted, and then can effectively compensate to the brightness of display, thus realize the real-time compensation of Mura,
Improve display effect.
Based on the above embodiment, in another embodiment of the application, Fig. 7 is the display that the embodiment of the present application proposes
Composed structure schematic diagram one judges list as shown in fig. 7, the display 1 that the embodiment of the present application proposes may include detection unit 11
Member 12 and adjusting unit 13.
The detection unit 11, for being carried out by the detection device to light emitting pixel after accessing driving current
Detection, obtains the corresponding real-time light parameter of the light emitting pixel.
The judging unit 12 is used for according to the corresponding initial parameter of the light emitting pixel and the real-time light parameter,
Judge the display with the presence or absence of Mura.
The adjusting unit 13, for if it is determined that there are the Mura, then according to described in the real-time light parameter regulation
Driving current, to carry out the luminance compensation.
Further, in the implementation of the application, the real-time light parameter includes Real-time intensity or real-time luminosity.
Further, in the implementation of the application, when the display is top light emitting mechanism, the yin of the display
Pole layer configures the detection device.
Further, in the implementation of the application, when the display is bottom-emission mechanism, the back of the display
Detection device described in the plate configuration of face.
Further, in the implementation of the application, the judging unit 12 is specifically used for working as the real-time light parameter not
When equal to the initial parameter, determine that there are the Mura；And when the real-time light parameter is equal to the initial parameter,
Determine that the Mura is not present.
Further, in the implementation of the application, the adjusting unit 13 is specifically used for according to the real-time light parameter
The driving current is adjusted, the driving current after being adjusted；And the driving current after the access adjusting, with into
The row luminance compensation.
Further, in the implementation of the application, the adjusting unit 13, with specific reference to the initial parameter and the reality
When light parameter, determine target current；And the adjusting of the driving current is carried out according to the target current, described in carrying out
Luminance compensation.
Further, in the implementation of the application, the adjusting unit 13 is specifically used for according to the initial parameter and institute
Real-time light parameter is stated, determines ratio value；And according to the ratio value and the driving current, determine the target current.
Fig. 8 is the composed structure schematic diagram two for the display that the embodiment of the present application proposes, as shown in figure 8, the application is implemented
The display 1 that example proposes can also include processor 14, the memory 15 for being stored with 14 executable instruction of processor, cathode layer
16, organic luminous layer 17 and anode strap 18, further, display 1 can also include communication interface 19, and be used for junction
Manage the bus 110 of device 14,15 cathode layer 16 of memory, organic luminous layer 17, anode strap 18 and communication interface 19.
In embodiments herein, processor 14 can be application-specific IC (Application
Specific Integrated Circuit, ASIC), digital signal processor (Digital Signal Processor,
DSP), digital signal processing device (Digital Signal Processing Device, DSPD), programmable logic device
(ProgRAMmable Logic Device, PLD), field programmable gate array (Field ProgRAMmable Gate
Array, FPGA), central processing unit (Central Processing Unit, CPU), controller, microcontroller, microprocessor
At least one of.It is to be appreciated that the electronic device for realizing processor function can also be it for different equipment
It, the embodiment of the present application is not especially limited.Display 1 can also include memory 15, which can be with processor
14 connections, wherein for memory 15 for storing executable program code, which includes computer operation instruction, storage
Device 15 may include high speed RAM memory, it is also possible to further include nonvolatile memory, for example, at least two magnetic disk storages.
In embodiments herein, bus 110 for connection communication interface 19, processor 14 and memory 15 and
Being in communication with each other between these devices.
In embodiments herein, memory 15, for storing instruction and data.
Further, in embodiments herein, processor 14 is used for after accessing driving current, by described
Detection device detects light emitting pixel, obtains the corresponding real-time light parameter of the light emitting pixel；According to the luminous picture
Plain corresponding initial parameter and the real-time light parameter judge the display with the presence or absence of Mura；If it is determined that in the presence of described in
Mura, then according to driving current described in the real-time light parameter regulation, to carry out the luminance compensation.
In practical applications, memory 15 can be volatile memory (volatile memor), such as arbitrary access
Memory (Random-Access Memory, RAM)；Or nonvolatile memory (non-volatile memory), such as
Read-only first storage y device (Read-Only Memory, ROM), flash memory (flash memory), hard disk (Hard Disk
Drive, HDD) or solid state hard disk (Solid-State Drive, SSD)；Or the combination of the memory of mentioned kind, and to place
It manages device 14 and instruction and data is provided.
In addition, each functional module in the present embodiment can integrate in one processing unit, it is also possible to each list
Member physically exists alone, and can also be integrated in one unit with two or more units.Above-mentioned integrated unit both can be with
Using formal implementation of hardware, can also be realized in the form of software function module.
If integrated unit realizes that being not intended as independent product is sold or made in the form of software function module
Used time can store in a computer readable storage medium, based on this understanding, the technical solution sheet of the present embodiment
The all or part of the part that contributes to existing technology or the technical solution can be with software product in other words in matter
Form embodies, which is stored in a storage medium, including some instructions are used so that a meter
It calculates machine equipment (can be personal computer, server or the network equipment etc.) or processor (processor) executes this implementation
The all or part of the steps of example method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read Only
Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. is various to deposit
Store up the medium of program code.
A kind of display that the embodiment of the present application proposes, the display are configured with detection device, and display drives in access
After electric current, light emitting pixel is detected by detection device, obtains the corresponding real-time light parameter of light emitting pixel；According to hair
The corresponding initial parameter of light pixel and real-time light parameter judge display with the presence or absence of Mura；If it is determined that then being pressed there are Mura
Light parameter regulation driving current when according to the facts, to carry out luminance compensation.It can be seen that in embodiments herein, display
It can be detected by the light that the detection device configured transmits light emitting pixel, corresponding real-time light parameter be obtained, in root
Light parameter is determined there are when Mura when factually, driving current is adjusted according to real-time light parameter, and then can be effective
The brightness of display is compensated, to realize the real-time compensation of Mura, improve display effect.
The embodiment of the present application provides a kind of computer readable storage medium, is stored thereon with program, and the program is by processor
Luminance compensation method as described above is realized when execution.
Specifically, the corresponding program instruction of one of the present embodiment luminance compensation method can be stored in CD,
Hard disk, on the storage mediums such as USB flash disk, when the program instruction corresponding with a kind of luminance compensation method in storage medium is set by an electronics
It is standby to read or be performed, include the following steps:
After accessing driving current, light emitting pixel is detected by the detection device, obtains the luminous picture
The corresponding real-time light parameter of element；
According to the corresponding initial parameter of the light emitting pixel and the real-time light parameter, judge whether the display is deposited
In Mura；
If it is determined that there are the Mura, then according to driving current described in the real-time light parameter regulation, described in carrying out
Luminance compensation.
It should be understood by those skilled in the art that, embodiments herein can provide as method, display or computer journey
Sequence product.Therefore, hardware embodiment, software implementation or embodiment combining software and hardware aspects can be used in the application
Form.It is deposited moreover, the application can be used to can be used in the computer that one or more wherein includes computer usable program code
The form for the computer program product implemented on storage media (including but not limited to magnetic disk storage and optical memory etc.).
The application is realization of the reference according to the method, equipment (system) and computer program product of the embodiment of the present application
Flow diagram and/or block diagram describe.It should be understood that flow diagram and/or box can be realized by computer program instructions
The combination of each flow and/or block in figure and the process in implementation process schematic diagram and/or block diagram and/or box.
These computer program instructions be can provide to general purpose computer, special purpose computer, Embedded Processor or other programmable datas
The processor of processing equipment is to generate a machine, so that passing through computer or the processor of other programmable data processing devices
The instruction of execution generate for realizing in one box of implementation process schematic diagram one process or multiple processes and/or block diagrams or
The device for the function of being specified in multiple boxes.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
The manufacture of device is enabled, which realizes in implementation process schematic diagram one process or multiple processes and/or block diagrams one
The function of being specified in a box or multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction that is executed on other programmable devices provide for realizing in one process of implementation process schematic diagram or multiple processes and/or
The step of function of being specified in one or more blocks of the block diagram.
The above, the only preferred embodiment of the application, are not intended to limit the protection scope of the application.
Claims (18)
1. a kind of luminance compensation method, which is characterized in that the luminance compensation method is applied in display, and the display is matched
It is equipped with detection device, which comprises
After accessing driving current, light emitting pixel is detected by the detection device, obtains the light emitting pixel pair
The real-time light parameter answered；
According to the corresponding initial parameter of the light emitting pixel and the real-time light parameter, judge that the display whether there is
Mura；
If it is determined that there are the Mura, then according to driving current described in the real-time light parameter regulation, to carry out the brightness
Compensation.
2. the method according to claim 1, wherein the real-time light parameter include Real-time intensity or in real time it is bright
Degree.
3. described aobvious according to the method described in claim 2, it is characterized in that, when the display is top light emitting mechanism
Show that the cathode layer of device configures the detection device.
4. described aobvious according to the method described in claim 2, it is characterized in that, when the display is bottom-emission mechanism
Show detection device described in the back side plate configuration of device.
5. the method according to claim 1, wherein it is described according to the corresponding initial parameter of the light emitting pixel and
The real-time light parameter judges the display with the presence or absence of Mura, comprising:
When the real-time light parameter is not equal to the initial parameter, determine that there are the Mura；
When the real-time light parameter is equal to the initial parameter, determine that the Mura is not present.
6. the method according to claim 1, wherein described drive according to described in the real-time light parameter regulation
Electric current, to carry out the luminance compensation, comprising:
The driving current is adjusted according to the real-time light parameter, the driving current after being adjusted；
Driving current after accessing the adjusting, to carry out the luminance compensation.
7. the method according to claim 1, wherein described drive according to described in the real-time light parameter regulation
Electric current, to carry out the luminance compensation, comprising:
According to the initial parameter and the real-time light parameter, target current is determined；
The adjusting of the driving current is carried out, according to the target current to carry out the luminance compensation.
8. the method according to the description of claim 7 is characterized in that described join according to the initial parameter with the real-time light
Number, determines target current, comprising:
According to the initial parameter and the real-time light parameter, ratio value is determined；
According to the ratio value and the driving current, the target current is determined.
9. a kind of display, which is characterized in that the display is configured with detection device, and the display includes: detection unit,
Judging unit and adjusting unit,
The detection unit, for being detected, being obtained to light emitting pixel by the detection device after accessing driving current
Obtain the corresponding real-time light parameter of the light emitting pixel；
The judging unit, for judging institute according to the corresponding initial parameter of the light emitting pixel and the real-time light parameter
Display is stated with the presence or absence of Mura；
The adjusting unit, for if it is determined that there are the Mura, then according to driving electricity described in the real-time light parameter regulation
Stream, to carry out the luminance compensation.
10. display according to claim 9, which is characterized in that the real-time light parameter includes Real-time intensity or reality
Shi Liangdu.
11. display according to claim 10, which is characterized in that when the display is top light emitting mechanism, institute
The cathode layer for stating display configures the detection device.
12. display according to claim 10, which is characterized in that when the display is bottom-emission mechanism, institute
State detection device described in the back side plate configuration of display.
13. display according to claim 9, which is characterized in that
The judging unit is specifically used for determining described in presence when the real-time light parameter is not equal to the initial parameter
Mura；And when the real-time light parameter is equal to the initial parameter, determine that the Mura is not present.
14. display according to claim 9, which is characterized in that
The adjusting unit is adjusted specifically for the driving current is adjusted according to the real-time light parameter
Driving current afterwards；And the driving current after the access adjusting, to carry out the luminance compensation.
15. display according to claim 14, which is characterized in that
The adjusting unit determines target current with specific reference to the initial parameter and the real-time light parameter；And according to
The target current carries out the adjusting of the driving current, to carry out the luminance compensation.
16. display according to claim 15, which is characterized in that
The adjusting unit is specifically used for determining ratio value according to the initial parameter and the real-time light parameter；And root
According to the ratio value and the driving current, the target current is determined.
17. a kind of display, which is characterized in that the display includes processor, is stored with the processor-executable instruction
Memory, cathode layer, organic luminous layer and anode strap, wherein the display is configured with detection device, works as described instruction
When being executed by the processor, the method according to claim 1 is realized.
18. a kind of computer readable storage medium, is stored thereon with program, it is applied in display, which is characterized in that the journey
When sequence is executed by processor, the method according to claim 1 is realized.
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