CN109671392A - Luminance compensation method, display and computer storage medium - Google Patents
Luminance compensation method, display and computer storage medium Download PDFInfo
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- CN109671392A CN109671392A CN201910145545.4A CN201910145545A CN109671392A CN 109671392 A CN109671392 A CN 109671392A CN 201910145545 A CN201910145545 A CN 201910145545A CN 109671392 A CN109671392 A CN 109671392A
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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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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, the pixel back side pole plate of display is provided with hole, the substrate of display is configured with detection device, luminance compensation method includes: after accessing driving current, the corresponding reflected light of light emitting pixel is detected by detection device, obtains the corresponding reflection optical parameter of reflected light；According to the corresponding dimensional parameters in hole and reflection optical parameter, the corresponding real-time parameter of light emitting pixel is obtained；Driving current is adjusted according to real-time parameter, 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 be effective right
The brightness of display compensates, to realize the real-time compensation of 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
The pixel back side pole plate for stating display is provided with hole, and the substrate of the display is configured with detection device, which comprises
After accessing driving current, the corresponding reflected light of light emitting pixel is detected by the detection device, is obtained
Obtain the corresponding reflection optical parameter of the reflected light；
According to the corresponding dimensional parameters in the hole and the reflection optical parameter, the corresponding real-time ginseng of the light emitting pixel is obtained
Number；
The driving current is adjusted according to the real-time parameter, to carry out the luminance compensation.
In the above scheme, the light emitting pixel carries out light transmission by the hole.
In the above scheme, the reflection optical parameter includes light intensity or light luminance；Correspondingly,
The real-time parameter includes Real-time intensity or real-time luminosity.
In the above scheme, described according to the corresponding dimensional parameters in the hole and the reflection optical parameter, obtain the hair
The corresponding real-time parameter of light pixel, comprising:
According to the corresponding dimensional parameters in the hole and the corresponding light configured transmission of the light emitting pixel, the first ratio is determined
Value；
According to first ratio value and the reflection optical parameter, the real-time parameter is determined.
In the above scheme, described to adjust the driving current according to the real-time parameter, to carry out the luminance compensation,
Include:
It sends and adjusts request；Wherein, the adjusting request carries the real-time parameter；
It receives the adjusting and requests corresponding governing response；Wherein, the governing response carries the driving current after adjusting；
Driving current after accessing the adjusting, to carry out the luminance compensation.
In the above scheme, described to adjust the driving current according to the real-time parameter, to carry out the luminance compensation,
Include:
Obtain the corresponding initial parameter of the light emitting pixel；
According to the initial parameter and the real-time parameter, target current is determined；
The target current is sent, to realize the adjusting of the driving current, to carry out the luminance compensation.
In the above scheme, described according to the initial parameter and the real-time parameter, determine target current, comprising:
According to the initial parameter and the real-time parameter, the second ratio value is determined；
According to second ratio value and the driving current, the target current is determined.
In the above scheme, the light emitting pixel carries out light transmission by the hole, comprising:
The light emitting pixel is by the hole to reflected light described in the board transport；
The substrate receives the reflected light by the detection device.
The embodiment of the present application provides a kind of display, and the pixel back side pole plate of the display is provided with hole, described aobvious
Showing the substrate of device configured with detection device, the display includes: detection unit, acquiring unit and unit is adjusted,
The detection unit is used for after accessing driving current, corresponding to light emitting pixel by the detection device
Reflected light is detected, and the corresponding reflection optical parameter of the reflected light is obtained；
The acquiring unit, for obtaining the hair according to the corresponding dimensional parameters in the hole and the reflection optical parameter
The corresponding real-time parameter of light pixel；
The adjusting unit, for adjusting the driving current according to the real-time parameter, to carry out the luminance compensation.
In the above scheme, the light emitting pixel carries out light transmission by the hole.
In the above scheme, the reflection optical parameter includes light intensity or light luminance；Correspondingly,
The real-time parameter includes Real-time intensity or real-time luminosity.
In the above scheme, the acquiring unit, be specifically used for according to the corresponding dimensional parameters in the hole and it is described shine
The corresponding light configured transmission of pixel, determines the first ratio value；And according to first ratio value and the reflection optical parameter,
Determine the real-time parameter.
In the above scheme, the adjusting unit is specifically used for sending adjusting and request；Wherein, the adjusting request carries
The real-time parameter；And it receives the adjusting and requests corresponding governing response；Wherein, after the governing response carries adjusting
Driving current；And the driving current after the access adjusting, to carry out the luminance compensation.
In the above scheme, the adjusting unit is specifically used for obtaining the corresponding initial parameter of the light emitting pixel；And
According to the initial parameter and the real-time parameter, target current is determined；And the target current is sent, to realize the drive
The adjusting of streaming current, to carry out the luminance compensation.
In the above scheme, the adjusting unit is specifically used for being determined according to the initial parameter and the real-time parameter
Second ratio value；And according to second ratio value and the driving current, determine the target current.
In the above scheme, the light emitting pixel is by the hole to reflected light described in the board transport；The substrate
The reflected light is received by the detection device.
The embodiment of the present application provides a kind of display, the display include processor, be stored with the processor can
The memory executed instruction, Ka band, organic luminous layer and anode strap, wherein the pixel back side pole plate of the display is set
It is equipped with hole, the substrate of the display realizes institute as above when described instruction is executed by the processor configured with detection device
The luminance compensation method stated.
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 the pixel back side pole plate of display is provided with hole, and the substrate of display is configured with detection device, shows
Show device after accessing driving current, the corresponding reflected light of light emitting pixel is detected by detection device, obtains reflected light
Corresponding reflection optical parameter；According to the corresponding dimensional parameters in hole and reflection optical parameter, the corresponding real-time parameter of light emitting pixel is obtained；
Driving current is adjusted according to real-time parameter, to carry out luminance compensation.It can be seen that display can in embodiments herein
To be carried out to light emitting pixel by the reflected light that the hole of pixel back side pole plate is transmitted by configuring the detection device on substrate
Detection obtains corresponding reflection optical parameter, and further the dimensional parameters of combined hole determine the corresponding real-time ginseng of light emitting pixel
Number, so as to which driving current is adjusted according to real-time parameter, and then can effectively mend the brightness of display
It repays, to realize the real-time compensation of Mura, improves display effect.
Detailed description of the invention
Fig. 1 is Mura phenomenon schematic diagram one；
Fig. 2 is Mura phenomenon schematic diagram two；
Fig. 3 is a kind of implementation process schematic diagram for luminance compensation method that the embodiment of the present application proposes；
Fig. 4 is the schematic diagram for the display that the embodiment of the present application proposes；
Fig. 5 is the composed structure schematic diagram one for the display that the embodiment of the present application proposes；
Fig. 6 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, in PMOLED driving method, PMOLED has Ka band, has
Machine luminescent layer and anode strap.Anode strap is mutually perpendicular to Ka band.The crosspoint of cathode and anode forms pixel, that is, sends out
The position of light.External circuit applies Ka band from electric current to selection and anode strap, so which pixel light emission determined, which pixel
It does not shine.Wherein, the brightness of each pixel and intensity are directly proportional to the size of electric current is applied.
The luminance compensation method that the embodiment of the present application proposes can feed back RGB rgb value based on PMOLED luminous mechanism
Improve Mura, formed according to OLED display screen in the principle of Mura, light intensity or brightness are carried out for different light emitting pixels
Detection, to determine the real-time parameter of different pixels point, to adjust the size of determining electric current, to realize to the bright of display
Degree compensation, and then realize the real-time compensation of Mura.Specifically, display can be by the hole of pixel back side pole plate, by part light
Line is transmitted to substrate, then carries out light intensity by the detection device that substrate configures or brightness detects, so as to further
It determines the corresponding real-time parameter of light emitting pixel, and determining electric current is adjusted according to real-time parameter, so that picture is presented
When each pigmentary colours keep consistent with original image, and then real-time compensation can be carried out to Mura, the brightness with realization to display
Compensation.
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. 3 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 3, display carries out the side of luminance compensation in embodiments herein
Method may comprise steps of:
Step 101, after accessing driving current, the corresponding reflected light of light emitting pixel is examined by detection device
It surveys, obtains the corresponding reflection optical parameter of reflected light.
In embodiments herein, display, can be by detection device to luminous picture after accessing driving current
The corresponding reflected light of element is detected, it is hereby achieved that the corresponding reflection optical parameter of reflected light.
It should be noted that display can be to be driven by external driving circuit in embodiments herein
Dynamic display, specifically, in embodiments herein, display can be the display luminous by three kinds of RGB single primary colors
Device, such as OLED display screen.
Further, in embodiments herein, display can show for the OLED based on PMOLED 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.Anode layer may include multiple anodes being parallel to each other, and cathode layer may include multiple is parallel to each other
Cathode, anode and cathode can be mutually perpendicular to, and the crosspoint setting luminescence unit of the two forms pixel, i.e. luminous position, be shown
Show that device can apply cathode from electric current to selection and anode by external circuit, so that respective pixel be driven to shine, and then obtains
Light emitting pixel.
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
Or metal material, the embodiment of the present application are not especially limited.
It should be noted that display is driven by the external circuit accessed in the implementation of the application, passing through
Both external circuit accesses after driving current, and the cathode and anode being selected in display are applied electric current, thus drive
The corresponding pixel light emission in crosspoint, to obtain light emitting pixel.
Further, in embodiments herein, hole can be set in the pixel back side pole plate in display,
In, the hole that the hole in pixel back substrate can have any shape, the embodiment of the present application is not especially limited.Display is accessing
After driving current, driven luminous pixel, i.e. light emitting pixel can through hole progress light transmission.
It should be noted that the light emitting pixel in display is by being arranged at the pixel back side in embodiments herein
After pole plate mesoporous transmission ray, substrate can receive some light of light emitting pixel transmission.
Further, in embodiments herein, the substrate in display can be configured with detection device, wherein inspection
Surveying device can be used for carrying out the detection of light intensity or brightness, for example, detection device can be light intensity detector, or
Brightness detector.That is, substrate by pixel back side pole plate mesoporous obtain light emitting pixel transmission light when, Ke Yitong
The detection device for crossing configuration carries out the reception of reflected light, so as to further carry out intensity to the corresponding reflected light of light emitting pixel
Detection or brightness.
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.
Further, in the implementation of the application, detection device in display to reflected light carry out light intensity or
After brightness detection, the corresponding reflection optical parameter of reflected light can be obtained.Wherein, reflection optical parameter can be used for characterizing reality in real time
When reflected light brightness perhaps intensity reflection optical parameter can be light intensity or light luminance.
It should be noted that the corresponding reflected light of light emitting pixel is not light emitting pixel pair in embodiments herein
The whole transmission rays answered, therefore the corresponding reflection optical parameter of reflected light can not also characterize the corresponding real-time ginseng of light emitting pixel
Number.
It should be noted that in embodiments herein, since the OLED display based on PMOLED 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.
Step 102, according to the corresponding dimensional parameters in hole and reflection optical parameter, obtain the corresponding real-time parameter of light emitting pixel.
In embodiments herein, display is examining the corresponding reflected light of light emitting pixel by detection device
It surveys, after obtaining the corresponding reflection optical parameter of reflected light, display can be further according to the corresponding dimensional parameters in hole and reflection
Optical parameter calculates and obtains the corresponding real-time parameter of light emitting pixel.Wherein, real-time parameter may include that light emitting pixel is corresponding in real time
Intensity or real-time luminosity.
It should be noted that in embodiments herein, since the corresponding reflection optical parameter of reflected light can not characterize
The corresponding real-time parameter of light emitting pixel, therefore display can continue after determining reflection optical parameter according to reflection beche-de-mer without spike
Number further calculates the corresponding real-time parameter of light emitting pixel.
Further, in the implementation of the application, display can be according to the big of hole set on pixel back substrate
It is small that real-time parameter is calculated.Specifically, display can determine the corresponding dimensional parameters in hole, and then determine and join in the size
Reflection optical parameter detected by detection device corresponds to the accounting of the transmission ray of light emitting pixel on the basis of several holes, thus
It may further determine that out the corresponding real-time parameter of light emitting pixel.
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 parameter may not be identical.
Step 103 adjusts driving current according to real-time parameter, to carry out luminance compensation.
In embodiments herein, display is shone according to the corresponding dimensional parameters in hole and reflection optical parameter
After the corresponding real-time parameter of pixel, the driving current can be adjusted according to real-time parameter, to carry out the luminance compensation.
It should be noted that display is in the tune for carrying out driving current according to real-time parameter in embodiments herein
When section, real-time parameter initial parameter corresponding with light emitting pixel can be compared, so as to according to comparison result to drive
Streaming current is adjusted.
Further, in embodiments herein, display is to real-time parameter original ginseng corresponding with light emitting pixel
After number is compared, the ratio between real-time parameter and initial parameter can be determined, it is then further right according to the ratio
Driving current is adjusted.
Further, in embodiments herein, display, can also directly will be real-time after determining real-time parameter
Parameter is sent to the external circuit for driving, to control the adjusting that external circuit carries out driving current.
It should be noted that in embodiments herein, display according to the corresponding real-time parameter of light emitting pixel into
When the adjusting of row driving current, since for different light emitting pixels, corresponding real-time parameter may not be identical, therefore according to reality
When parameter it is also not identical to drive current adjustment degree.Also just because of the application according to the corresponding real-time ginseng of different light emitting pixels
Several pairs of different light emitting pixels carry out the real-time adjusting of different degrees of driving current, to realize the luminance compensation to display, into
And realize the real-time compensation of Mura.
Fig. 4 is the schematic diagram for the display that the embodiment of the present application proposes, as shown in figure 4, based on PMOLED luminous mechanism
OLED display may include anode strap, Ka band and organic luminous layer.Wherein, anode layer may include multiple is parallel to each other
Anode, cathode layer may include multiple cathodes being parallel to each other, and anode and cathode is mutually perpendicular to.Display is passing through external electrical
Road is accessed after driving current, and the cathode and anode being selected in display are applied electric current, to drive the crosspoint of the two
Corresponding pixel light emission.Due to the OLED display based on PMOLED luminous mechanism be carried out by tri- monochromes of RGB it is luminous,
The light emitting pixel being driven to emit light can be R pixel, G pixel or B pixel.Display can also include glass or metal
The substrate of material.Hole can be set in pixel back side pole plate in display, wherein the hole in pixel back substrate can be
The hole of arbitrary shape, the embodiment of the present application are not especially limited.Substrate in display can be configured with detection device, wherein
Detection device can be used for carrying out the detection of light intensity or brightness.It can be seen that display passes through the hole of pixel back side pole plate
The some light of light emitting pixel is reflected into substrate, the detection device of substrate configuration is detected to light is reflected back, in conjunction with
Then the real-time parameter of the size ratio-dependent light emitting pixel in hole can carry out driving current by feedback real-time parameter
Adjusting so that present picture when pixel color keep it is consistent with original image.
Present applicant proposes a kind of luminance compensation method, above-mentioned luminance compensation method is applied in display, display
Pixel back side pole plate is provided with hole, and the substrate of display is configured with detection device, and display passes through after accessing driving current
Detection device detects the corresponding reflected light of light emitting pixel, obtains the corresponding reflection optical parameter of reflected light；It is corresponding according to hole
Dimensional parameters and reflection optical parameter, obtain the corresponding real-time parameter of light emitting pixel；Driving current is adjusted according to real-time parameter, with
Carry out luminance compensation.It can be seen that display can be by configuring the detection device on substrate in embodiments herein
Light emitting pixel is detected by the reflected light that the hole of pixel back side pole plate is transmitted, obtains corresponding reflection optical parameter, and
Determine the corresponding real-time parameter of light emitting pixel further combined with the dimensional parameters in hole, so as to according to real-time parameter to driving
Electric current is adjusted, and then can effectively compensate to the brightness of display, to realize the real-time compensation of Mura, improves
Display effect.
Based on the above embodiment, in the another embodiment of the application, display is according to the corresponding dimensional parameters in the hole
With the reflection optical parameter, the method for obtaining the corresponding real-time parameter of the light emitting pixel be may comprise steps of:
Step 102a, according to the corresponding dimensional parameters in hole and the corresponding light configured transmission of light emitting pixel, the first ratio is determined
Example value.
In embodiments herein, display, can first basis after the reflection optical parameter that detection obtains reflected light
Dimensional parameters corresponding to hole corresponding with light emitting pixel and the corresponding light configured transmission of light emitting pixel, are determined between the two
Ratio, i.e. the first ratio value.
It should be noted that the corresponding light configured transmission of light emitting pixel is for characterizing hair in embodiments herein
The reflection optical parameter of the corresponding whole transmission rays of light pixel.For example, light configured transmission can carry on the back for light emitting pixel in pixel
Transmission area on the pole plate of face.
Further, in embodiments herein, display, which can be previously stored with, is arranged in pixel back side pole plate
Then the size dimension in hole, i.e. dimensional parameters calculate accounting of the dimensional parameters relative to light configured transmission, i.e. the first ratio
Value, so as to further carry out the calculating of real-time parameter according to the first ratio value.
Step 102b, according to the first ratio value and reflection optical parameter, real-time parameter is determined.
In embodiments herein, display is passed according to the corresponding dimensional parameters in hole and the corresponding light of light emitting pixel
Defeated parameter after determining the first ratio value, can continue to determine light emitting pixel according to the first ratio value and reflection optical parameter
Corresponding real-time parameter.
Further, in embodiments herein, since the reflected light that through hole is transmitted to substrate is not the picture that shines
Therefore the corresponding whole transmission rays of element are shown in and determine the corresponding dimensional parameters of aperture and the corresponding light of light emitting pixel
After the first ratio value between configured transmission, it can further pass through the first ratio value and the corresponding reflection beche-de-mer without spike of reflected light
Number calculates the real-time parameter for obtaining the corresponding whole transmission rays of light emitting pixel.
It should be noted that in embodiments herein, since the OLED display based on PMOLED 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 parameter of different light emitting pixels may not be identical.Example
Such as, the corresponding real-time parameter of a G pixel is likely larger than the corresponding real-time parameter of a R pixel.
In embodiments herein, further, display adjusts the driving current according to the real-time parameter, with
The method for carrying out luminance compensation may comprise steps of:
Step 103a, it sends and adjusts request；Wherein, it adjusts request and carries real-time parameter.
In embodiments herein, display is obtained according to the first ratio value and the corresponding light intensity parameter calculating of reflected light
After obtaining the corresponding real-time parameter of light emitting pixel, the adjusting request for carrying real-time parameter can be sent.
It should be noted that display is that driving display is carried out by external circuit in embodiments herein, because
This, display can send to external circuit after determining the real-time parameter of light emitting pixel and adjust request, so that external
Circuit can be adjusted the corresponding driving current of light emitting pixel according to the real-time parameter carried in request is adjusted in real time.
Further, in embodiments herein, external circuit can ask adjusting after receiving adjusting request
The corresponding real-time parameter of the light emitting pixel of middle carrying initial parameter corresponding with light emitting pixel is asked to be compared, it then can be into one
Step is adjusted the corresponding driving current of light emitting pixel according to comparison result.
Step 103b, it receives to adjust and requests corresponding governing response；Wherein, governing response carries the driving electricity after adjusting
Stream.
In embodiments herein, display can connect after sending the adjusting for carrying real-time parameter request
It receives to adjust and requests corresponding governing response.
It should be noted that in embodiments herein, external circuit, can be with after driving current is adjusted
The governing response for carrying the driving current after adjusting is sent to display.
Further, in embodiments herein, since the different corresponding real-time parameters of light emitting pixel may not phase
Together, therefore, the driving current after the corresponding adjusting of different light emitting pixels may also be different.
Step 103c, the driving current after access is adjusted, to carry out luminance compensation.
In embodiments herein, display carries the governing response of the driving current after adjusting receiving；Later,
The driving current after adjusting can be accessed, so as to carry out luminance compensation.
Further, in embodiments herein, the driving of brightness and intensity and application due to each light emitting pixel
The size of electric current is directly proportional, therefore, when the real-time parameter of light emitting pixel is less than initial parameter, can pass through driving current
Increase to improve real-time parameter, to realize the luminance compensation to display, and then realizes the real-time compensation of Mura.
In embodiments herein, further, display adjusts the driving current according to the real-time parameter, with
Carry out the luminance compensation method can with the following steps are included:
Step 103d, the corresponding initial parameter of light emitting pixel is obtained.
In embodiments herein, display is obtained according to the first ratio value and the corresponding light intensity parameter calculating of reflected light
After obtaining the corresponding real-time parameter of light emitting pixel, the corresponding initial parameter of light emitting pixel can be first obtained.
It should be noted that display, can when carrying out driving display by external circuit in embodiments herein
To calculate the corresponding initial parameter of acquisition light emitting pixel corresponding with driving current according to the driving current of access.
Step 103e, according to initial parameter and real-time parameter, target current is determined.
In embodiments herein, display, can basis after obtaining the corresponding initial parameter of light emitting pixel
Initial parameter and the corresponding real-time parameter of light emitting pixel, determine the electric current for carrying out luminance compensation, i.e. target current.
Further, in embodiments herein, display can by the corresponding real-time parameter of light emitting pixel and shine
The corresponding initial parameter of pixel is compared, and then can be further determined according to comparison result to target current.
Further, in embodiments herein, display is determining target electricity according to initial parameter and real-time parameter
When stream, the second ratio value can be determined first according to initial parameter and real-time parameter.Specifically, due to light emitting pixel there may be
Decaying causes real-time parameter to be unsatisfactory for initial parameter, therefore display can be calculated first and obtain real-time parameter for initial parameter
Accounting, instant second ratio value.
Further, in embodiments herein, display can continue after calculating the second ratio value of acquisition
According to the second ratio value and driving current, the target current for carrying out luminance compensation is determined.
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 parameter of different light emitting pixels may
Not identical, correspondingly, the corresponding target current of different light emitting pixels may also be different.For example, the corresponding real-time ginseng of a G pixel
Number is likely larger than the corresponding real-time parameter of a B pixel, therefore, in the driving of the brightness of each light emitting pixel and intensity and application
On the basis of the size of electric current is directly proportional, display calculates the corresponding target current of G pixel obtained and is likely less than the B pixel
Corresponding target current, i.e. the B pixel may need bigger driving current to realize luminance compensation.
Step 103f, target current is sent, to realize the adjusting of driving current, to carry out luminance compensation.
In embodiments herein, display, can after determining target current according to initial parameter and real-time parameter
Target current is sent to external circuit, so as to realize the adjusting of driving current, and then luminance compensation can be carried out.
It should be noted that display is that driving display is carried out by external circuit in embodiments herein, because
This, display can send target current to external circuit, so that external after determining the target current of light emitting pixel
Circuit can be adjusted the corresponding driving current of light emitting pixel according to target current in real time, so as to realize that brightness is mended
It repays.
Present applicant proposes a kind of luminance compensation method, above-mentioned luminance compensation method is applied in display, display
Pixel back side pole plate is provided with hole, and the substrate of display is configured with detection device, and display passes through after accessing driving current
Detection device detects the corresponding reflected light of light emitting pixel, obtains the corresponding reflection optical parameter of reflected light；It is corresponding according to hole
Dimensional parameters and reflection optical parameter, obtain the corresponding real-time parameter of light emitting pixel；Driving current is adjusted according to real-time parameter, with
Carry out luminance compensation.It can be seen that display can be by configuring the detection device on substrate in embodiments herein
Light emitting pixel is detected by the reflected light that the hole of pixel back side pole plate is transmitted, obtains corresponding reflection optical parameter, and
Determine the corresponding real-time parameter of light emitting pixel further combined with the dimensional parameters in hole, so as to according to real-time parameter to driving
Electric current is adjusted, and then can effectively compensate to the brightness of display, to realize the real-time compensation of Mura, improves
Display effect.
Based on the above embodiment, in another embodiment of the application, Fig. 5 is the display that the embodiment of the present application proposes
Composed structure schematic diagram one obtains single as shown in figure 5, 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 corresponded to by the detection device to light emitting pixel after accessing driving current
Reflected light detected, obtain the corresponding reflection optical parameter of the reflected light.
The acquiring unit 12, for according to the corresponding dimensional parameters in the hole and the reflection optical parameter, described in acquisition
The corresponding real-time parameter of light emitting pixel.
The adjusting unit 13, for adjusting the driving current according to the real-time parameter, to carry out the brightness benefit
It repays.
Further, in embodiments herein, the light emitting pixel carries out light transmission by the hole.
Further, in embodiments herein, the reflection optical parameter includes light intensity or light luminance；Accordingly
Ground, the real-time parameter include Real-time intensity or real-time luminosity.
Further, in embodiments herein, the acquiring unit 12 is specifically used for according to the corresponding ruler in the hole
Very little parameter and the corresponding light configured transmission of the light emitting pixel, determine the first ratio value；And according to first ratio value
With the reflection optical parameter, the real-time parameter is determined.
Further, in embodiments herein, the adjusting unit 13 is specifically used for sending adjusting and request；Wherein,
The adjusting request carries the real-time parameter；And it receives the adjusting and requests corresponding governing response；Wherein, the adjusting
Response carries the driving current after adjusting；And the driving current after the access adjusting, to carry out the luminance compensation.
Further, in embodiments herein, the adjusting unit 13 is specifically used for obtaining the light emitting pixel pair
The initial parameter answered；And according to the initial parameter and the real-time parameter, determine target current；And send the target
Electric current, to realize the adjusting of the driving current, to carry out the luminance compensation.
Further, in embodiments herein, the adjusting unit 13, be specifically used for according to the initial parameter and
The real-time parameter determines the second ratio value；And according to second ratio value and the driving current, determine the target
Electric current.
Further, in embodiments herein, the light emitting pixel is by the hole to described in the board transport
Reflected light；The substrate receives the reflected light by the detection device.
Fig. 6 is the composed structure schematic diagram two for the display that the embodiment of the present application proposes, as shown in fig. 6, 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, Ka band
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 Ka band 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 the corresponding reflected light of light emitting pixel, obtains the corresponding reflection optical parameter of the reflected light；According to institute
The corresponding dimensional parameters in hole and the reflection optical parameter are stated, the corresponding real-time parameter of the light emitting pixel is obtained；According to the reality
When parameter regulation described in driving current, 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 pixel back side pole plate of the display are provided with hole, display
Substrate is configured with detection device, and display is after accessing driving current, by detection device to the corresponding reflection of light emitting pixel
Light is detected, and the corresponding reflection optical parameter of reflected light is obtained；According to the corresponding dimensional parameters in hole and reflection optical parameter, sent out
The corresponding real-time parameter of light pixel；Driving current is adjusted according to real-time parameter, to carry out luminance compensation.It can be seen that in this Shen
In embodiment please, display can pass through pixel back side pole plate to light emitting pixel by configuring the detection device on substrate
The reflected light that hole is transmitted is detected, and obtains corresponding reflection optical parameter, and further the dimensional parameters of combined hole are determined
The corresponding real-time parameter of light emitting pixel, so as to which driving current is adjusted according to real-time parameter, and then can be effective
The brightness of display is compensated, to realize the real-time compensation of Mura, improves 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, the corresponding reflected light of light emitting pixel is detected by the detection device, is obtained
Obtain the corresponding reflection optical parameter of the reflected light；
According to the corresponding dimensional parameters in the hole and the reflection optical parameter, the corresponding real-time ginseng of the light emitting pixel is obtained
Number；
The driving current is adjusted according to the real-time parameter, to carry out the 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, the display
Pixel back side pole plate is provided with hole, and the substrate of the display is configured with detection device, which comprises
After accessing driving current, the corresponding reflected light of light emitting pixel is detected by the detection device, obtains institute
State the corresponding reflection optical parameter of reflected light；
According to the corresponding dimensional parameters in the hole and the reflection optical parameter, the corresponding real-time parameter of the light emitting pixel is obtained；
The driving current is adjusted according to the real-time parameter, to carry out the luminance compensation.
2. the method according to claim 1, wherein the light emitting pixel carries out light transmission by the hole.
3. the method according to claim 1, wherein the reflection optical parameter includes that light intensity or light are bright
Degree；Correspondingly,
The real-time parameter includes Real-time intensity or real-time luminosity.
4. the method according to claim 1, wherein described according to the corresponding dimensional parameters in the hole and described anti-
Optical parameter is penetrated, the corresponding real-time parameter of the light emitting pixel is obtained, comprising:
According to the corresponding dimensional parameters in the hole and the corresponding light configured transmission of the light emitting pixel, the first ratio value is determined；
According to first ratio value and the reflection optical parameter, the real-time parameter is determined.
5. the method according to claim 1, wherein described adjust the driving electricity according to the real-time parameter
Stream, to carry out the luminance compensation, comprising:
It sends and adjusts request；Wherein, the adjusting request carries the real-time parameter；
It receives the adjusting and requests corresponding governing response；Wherein, the governing response carries the driving current after adjusting；
Driving current after accessing the adjusting, to carry out the luminance compensation.
6. the method according to claim 1, wherein described adjust the driving electricity according to the real-time parameter
Stream, to carry out the luminance compensation, comprising:
Obtain the corresponding initial parameter of the light emitting pixel；
According to the initial parameter and the real-time parameter, target current is determined；
The target current is sent, to realize the adjusting of the driving current, to carry out the luminance compensation.
7. according to the method described in claim 6, it is characterized in that, described according to the initial parameter and the real-time parameter,
Determine target current, comprising:
According to the initial parameter and the real-time parameter, the second ratio value is determined；
According to second ratio value and the driving current, the target current is determined.
8. according to the method described in claim 2, it is characterized in that, the light emitting pixel by the hole carry out light transmission,
Include:
The light emitting pixel is by the hole to reflected light described in the board transport；
The substrate receives the reflected light by the detection device.
9. a kind of display, which is characterized in that the pixel back side pole plate of the display is provided with hole, the substrate of the display
Configured with detection device, the display includes: detection unit, acquiring unit and adjusts unit,
The detection unit is used for after accessing driving current, by the detection device to the corresponding reflection of light emitting pixel
Light is detected, and the corresponding reflection optical parameter of the reflected light is obtained；
The acquiring unit, for obtaining the luminous picture according to the corresponding dimensional parameters in the hole and the reflection optical parameter
The corresponding real-time parameter of element；
The adjusting unit, for adjusting the driving current according to the real-time parameter, to carry out the luminance compensation.
10. display according to claim 9, which is characterized in that the light emitting pixel carries out light biography by the hole
It is defeated.
11. display according to claim 9, which is characterized in that the reflection optical parameter includes light intensity or light
Brightness；Correspondingly,
The real-time parameter includes Real-time intensity or real-time luminosity.
12. display according to claim 9, which is characterized in that
The acquiring unit is specifically used for being transmitted according to the corresponding dimensional parameters in the hole and the corresponding light of the light emitting pixel
Parameter determines the first ratio value；And according to first ratio value and the reflection optical parameter, determine the real-time parameter.
13. display according to claim 9, which is characterized in that
The adjusting unit is specifically used for sending adjusting and request；Wherein, the adjusting request carries the real-time parameter；And
It receives the adjusting and requests corresponding governing response；Wherein, the governing response carries the driving current after adjusting；And access
Driving current after the adjusting, to carry out the luminance compensation.
14. display according to claim 9, which is characterized in that
The adjusting unit is specifically used for obtaining the corresponding initial parameter of the light emitting pixel；And according to the initial parameter
With the real-time parameter, target current is determined；And the target current is sent, to realize the adjusting of the driving current, with
Carry out the luminance compensation.
15. display according to claim 14, which is characterized in that
The adjusting unit is specifically used for determining the second ratio value according to the initial parameter and the real-time parameter；And root
According to second ratio value and the driving current, the target current is determined.
16. display according to claim 10, which is characterized in that the light emitting pixel passes through the hole to the substrate
Transmit the reflected light；The substrate receives the reflected light by the detection device.
17. a kind of display, which is characterized in that the display includes processor, is stored with the processor-executable instruction
Memory, Ka band, organic luminous layer and anode strap, wherein the pixel back side pole plate of the display is provided with hole, institute
The substrate of display is stated configured with detection device, when described instruction is executed by the processor, realizes that claim 1-8 such as appoints
Method described in one.
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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| CN112767878A (en) * | 2021-01-29 | 2021-05-07 | 昆山国显光电有限公司 | Brightness adjusting method and device and display equipment |
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