CN110379350A - A kind of color cast correction information setting method and device, image processing method and device, display equipment - Google Patents
A kind of color cast correction information setting method and device, image processing method and device, display equipment Download PDFInfo
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- CN110379350A CN110379350A CN201910679004.XA CN201910679004A CN110379350A CN 110379350 A CN110379350 A CN 110379350A CN 201910679004 A CN201910679004 A CN 201910679004A CN 110379350 A CN110379350 A CN 110379350A
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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
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Abstract
The present invention discloses a kind of color cast correction information setting method and device, image processing method and device, display equipment, is related to technical field of image processing, to reduce image colour cast shown by display panel.The setting method includes the pixel arrangement information for receiving the first display area and at least one the second display area, according to the pixel arrangement information of the pixel arrangement information of the first display area and each second display area, each color pixel intensity adjustment parameter in each second display area is obtained；According to each color pixel intensity adjustment parameter and corresponding color pixel driver information in each second display area, the calibration power supply signal voltage expression formula as each color pixel in the second display area of each of color cast correction information is obtained.The processing method applies set calibration power supply signal voltage expression formula.Color cast correction information setting method provided by the invention is used for image procossing.
Description
Technical field
The present invention relates to technical field of image processing more particularly to a kind of color misregistration correction methods and device, image processing method
Method and device, display equipment.
Background technique
With the development of display technology, the function of the electronical displays product such as mobile phone, tablet computer is more and more, to user with
Higher usage experience is carried out.Such as: the electronical displays product such as existing mobile phone, tablet computer is equipped with front camera, listens
The components such as cylinder, to improve the user experience.But the components such as front camera, earpiece limit electronics to a certain extent
Show the screen accounting of product.
In view of the above-mentioned problems, pixel region included by display panel is divided into low-density when making display panel
Pixel region and normal density pixel region, while the components such as front camera and earpiece being located under low-density pixel region
The screen accounting of electronical display product while so that the components such as front camera and earpiece play its function, improves in side.But
The pixel region as included by display panel is divided into low-density pixel region and normal density pixel region, so that aobvious
Show that image colour cast shown by panel is bigger.
Summary of the invention
The purpose of the present invention is to provide a kind of color misregistration correction methods and device, image processing method and device, display to set
It is standby, to reduce image colour cast shown by display panel.
To achieve the goals above, the present invention provides a kind of color cast correction information setting method.The color cast correction information is set
The method of determining includes:
The pixel arrangement information of display area is received, the pixel arrangement information of the display area includes the first display area
Pixel arrangement information and at least one the second display area pixel arrangement information, at least one second display area
Pixel density is less than the pixel density of first display area；
Believed according to the pixel arrangement information of first display area and the pixel arrangement of each second display area
Breath obtains each color pixel intensity adjustment parameter r in each second display area；
According in each second display area each color pixel intensity adjustment parameter r and corresponding color pixel drive
Dynamic information, obtains the calibration power supply signal voltage as each color pixel in the second display area of each of color cast correction information
Expression formula.
Compared with prior art, in color cast correction information setting method provided by the invention, two display area institutes are based on
This related feature of the ratio between different base colors pixel quantity contained by the brightness of image of display and two display areas, so that according to
The pixel arrangement information of the pixel arrangement information of first display area and each second display area can get each second display
Each color pixel intensity adjustment parameter r in region；Then bright according to each color pixel in each second display area
Adjustment parameter r and corresponding color pixel driver information are spent, can be obtained as the second display area of each of color cast correction information
The calibration power supply signal voltage expression formula of interior each color pixel.It, can be aobvious according to each second before showing image based on this
Show that the calibration power supply signal voltage expression formula of each color pixel in region controls corresponding color picture in each second display area
The power supply signal voltage of element, and then the brightness of corresponding color pixel in each second display area is controlled, so that the first viewing area
The luminance difference of the brightness in domain and each second display area is less than preset difference value, and this makes it possible to reduce because of the first viewing area
Domain is with the second display area because of image colour cast caused by various colors pixel density ratio difference.
The present invention also provides a kind of color cast correction information setting devices.The color cast correction information setting device includes:
Transmit-Receive Unit, for receiving the pixel arrangement information of display area, the pixel arrangement packet of the display area
The pixel arrangement information of the first display area and the pixel arrangement information of at least one the second display area are included, described at least one
The pixel density of second display area is less than the pixel density of first display area；
Adjustment parameter setup unit, for according to the pixel arrangement information of first display area and each described second
The pixel arrangement information of display area obtains each color pixel intensity adjustment parameter r in each second display area；
Control information setup unit, for being adjusted according to each color pixel intensity in each second display area
Parameter r and corresponding color pixel driver information are obtained as each color in the second display area of each of color cast correction information
The calibration power supply signal voltage expression formula of pixel.
Compared with prior art, the beneficial effect of color cast correction information setting device provided by the invention and above-mentioned colour cast school
The beneficial effect of positive information setting method is identical, and this will not be repeated here.
The present invention also provides a kind of image processing methods.The image processing method includes:
Receive image information；
According to the colour cast of color cast correction information correction image information, the color cast correction information is above-mentioned color cast correction information
The color cast correction information of setting method setting.
Compared with prior art, the beneficial effect of image processing method provided by the invention is set with above-mentioned color cast correction information
The beneficial effect for determining method is identical, and this will not be repeated here.
The present invention also provides a kind of image processing apparatus characterized by comprising
Transceiver, for receiving image information；
Processor, for the colour cast according to color cast correction information correction image information, the color cast correction information is to use
The color cast correction information of above-mentioned color cast correction information setting method setting.
Compared with prior art, the beneficial effect of image processing apparatus provided by the invention is set with above-mentioned color cast correction information
The beneficial effect for determining method is identical, and this will not be repeated here.
The present invention also provides a kind of computer storage mediums.Instruction is stored in the computer storage medium, it is described
When instruction is run, above-mentioned color cast correction information setting method and/or above-mentioned image processing method are realized.
Compared with prior art, the beneficial effect of computer storage medium provided by the invention and above-mentioned color cast correction information
The beneficial effect of setting method is identical, and this will not be repeated here.
The present invention also provides a kind of display equipment.The display equipment include above-mentioned color cast correction information setting device and/
Or above-mentioned image processing apparatus.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram one for showing equipment in the prior art；
Fig. 2 is the structural schematic diagram two for showing equipment in the prior art；
Fig. 3 is the structural schematic diagram three for showing equipment in the prior art；
Fig. 4 is the structural schematic diagram of display panel in the prior art；
Fig. 5 is the structural schematic diagram of luminescent device in the prior art；
Fig. 6 is the structure chart of existing 2T1C pixel compensation circuit；
Fig. 7 is the flow chart one of color cast correction information setting method provided in an embodiment of the present invention；
Fig. 8 is the flowchart 2 of color cast correction information setting method provided in an embodiment of the present invention；
Fig. 9 is that the display panel pixel of existing pentile pixel arrangements arranges schematic diagram；
Figure 10 is the gamma of the red pixel of original image；
Figure 11 is the gamma of the green pixel of original image；
Figure 12 is the gamma of the blue pixel of original image；
Figure 13 is the flow chart 3 of color cast correction information setting method provided in an embodiment of the present invention；
Figure 14 is the flow chart one of image processing method provided in an embodiment of the present invention；
Figure 15 is the flowchart 2 of image processing method provided in an embodiment of the present invention；
Figure 16 is the gamma of the red pixel of image after handling；
Figure 17 is the gamma of the green pixel of image after handling；
Figure 18 is the gamma of the blue pixel of image after handling；
Figure 19 is the structural schematic diagram one of image processing terminal provided in an embodiment of the present invention；
Figure 20 is the structural schematic diagram two of image processing terminal provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 shows a kind of structural schematic diagram for showing equipment.As shown in Figure 1, above-mentioned display equipment includes display panel
100 and display control unit 200.
As shown in Fig. 2, above-mentioned display control unit 200 mainly includes central processing unit 210, display controller 220 and drives
Dynamic chip 230.As shown in figure 3, display controller 220 includes that frame deposits control module 221, image processing module 222, timing control
Module 223 and video memory 224；Driving chip 230 shown in Fig. 2 includes scan drive cell 231 and data drive unit 232.Frame
It deposits control module 221 to be electrically connected with video memory 224, central processing unit 210 and frame deposit the communication connection of control module 221, image procossing
Module 222 is connect by depositing control module 221 with frame, and image processing module 222 and time-sequence control module 223 communicate to connect, when
Sequence control module 223 is connect by scan control link with scan drive cell 231 and data drive unit 232.It should be understood that passing
System sequence controller is only intended to generate synchronization signal, and to vision signal, there is no processing functions, but with display control skill
The development of art, used sequence controller has been integrated with image processing function at present, allows sequence controller to view
Frequency signal is handled.
As shown in figure 3, the type of above-mentioned display panel 100 is varied, such as organic electroluminescent LED (Organic
Light-Emitting Diode, is abbreviated as OLED) display panel, but it is not limited only to this.For OLED display panel, such as
Shown in Fig. 3 and Fig. 4, above-mentioned display panel should include the luminescent device EL of the display driver circuit being stacked and array.
The pixel compensation circuit DC of display driver circuit array.The pixel compensation circuit DC of the array and luminescent device EL of array
Electrical connection.The pixel compensation circuit PDC of array simultaneously with scan drive cell 231 as shown in Figure 3 and data drive unit
232 electrical connections, certainly, cabling needed for pixel compensation circuit should also connect some pixel compensations, such as power supply cabling.
As shown in figure 4, each pixel of above-mentioned display panel includes a pixel compensation circuit PDC and a luminescent device
EL。
As shown in figure 5, luminescent device EL shown in Fig. 4 be sandwich structure, specifically include cathode layer CA, anode layer AN with
And the light emitting functional layer LFU between anode layer AN and cathode layer CA.As shown in figure 5, light emitting functional layer LFU includes stacking
Electron injecting layer EIL, electron transfer layer ETL, luminescent layer LU, hole transmission layer HTL and the hole injection layer HIL of setting.
When luminescent device EL shown in Fig. 5 needs to shine, anode layer AN injects hole to hole injection layer HIL, and leads to
It crosses hole transmission layer HTL and is transmitted to luminescent layer.Meanwhile cathode layer CA injects electronics to electron injecting layer EIL, and is passed by electronics
Defeated layer ETL is transmitted to luminescent layer LU.Finally, electrons and holes are combined into exciton in luminescent layer LU, and the energy of exciton occurs to turn
It moves and discharges in the form of light, to realize the luminous purpose of luminescent device EL shown in Fig. 4.
Pixel compensation circuit DC shown in Fig. 4 can be appointing in 2T1C pixel compensation circuit, 3T1C pixel compensation circuit
Meaning one, but it is not limited only to this.But no matter in this way, pixel compensation circuit all includes storage capacitance Cst, switching transistor and use
In the luminous driving transistor DTFT of driving luminescent device EL, referring specifically to fig. 6 shown in 2T1C pixel compensation circuit.2T1C picture
In plain compensation circuit, the grid signal controllable switch transistor STFT conducting that grid signal terminal GATE is provided, data-signal
Data-signal provided by terminal DATA makes data voltage that storage capacitance Cst be written by switching transistor STFT.Storage electricity
Hold Cst control driving transistor DTFT to tend to remain on, so that the power supply signal that power supply signal terminal ELVDD is provided passes through
Transistor DTFT driving luminescent device EL is driven to shine, it should be understood that the cathode of luminescent device should access power supply public terminal
ELVSS.It should be understood that above-mentioned switching transistor STFT and driving transistor DTFT generally select thin film transistor (TFT).Film crystal
The type of pipe can be NMOS type thin film transistor (TFT), or pmos type thin film transistor (TFT), difference are only that turn-on condition.
For NMOS type thin film transistor (TFT), high level conducting, low level shutdown；For pmos type thin film transistor (TFT), low electricity
Flat conducting, high level shutdown.
The functional units such as front camera, earphone are additionally provided with, on existing display panel to improve the use body of user
It tests.But these functional units also affect the screen accounting of display panel.It, can be by this in order to improve the screen accounting of display panel
The lower section of display panel is arranged in a little functional units.Such as: in the prior art by front camera color also under display panel
Side, and display panel is corresponded into the relatively low of the pixel density setting of the pixel region of front camera, to increase display panel
Light transmittance, this makes it possible under the premise of guaranteeing front camera image collecting function so that display panel have it is higher
Screen accounting.But since display panel corresponds to relatively low, and the display surface of the pixel density setting in the region of front camera
The pixel density in other regions of plate is normal, other regions of display panel correspond to front camera relative to display panel in other words
The pixel density in region is high, and therefore, display panel corresponds to the brightness of image in the region of front camera compared to other regions
Brightness of image is low, and then image shown by display panel is caused to be easy to appear colour cast problem.Defined herein display panel is corresponding
The region of non-front camera is defined as normal density region, i.e., the first display area I shown in Fig. 9, before display panel is corresponding
The region for setting camera is defined as density regions, i.e., the second display area II shown in Fig. 9.It should be understood that the second display area
It can be one, or it is multiple, it is determined with specific reference to the quantity of front camera.
In view of the above-mentioned problems, embodiment provides a kind of color cast correction information setting method when the present invention.The color cast correction
Color cast correction information set by information setting method can correct image colour cast.As shown in fig. 7, the color cast correction information setting
Method includes:
Step S110: receiving the pixel arrangement information of display area, and the pixel arrangement information of the display area includes first
The pixel arrangement information of display area and the pixel arrangement information of at least one the second display area, at least one second viewing area
Pixel density of the pixel density in domain less than the first display area.It should be understood that the pixel density of the second display area is less than herein
The pixel density of first display area refer at least one colored pixels the second display area density less than the first viewing area
The density in domain.
Step S120: believed according to the pixel arrangement information of the first display area and the pixel arrangement of each second display area
Breath obtains each color pixel intensity adjustment parameter r in each second display area.
Step S130: according to each color pixel intensity adjustment parameter r and corresponding color in each second display area
Pixel driver information obtains the calibration power supply letter as each color pixel in the second display area of each of color cast correction information
Number voltage expression.
As the detailed process of above-mentioned color cast correction information setting method it is found that based on image shown by two display areas
This related feature of the ratio between different base colors (i.e. different colours) pixel quantity contained by brightness and two display areas, so that root
According to the pixel arrangement information of the first display area and the pixel arrangement information of each second display area, it is aobvious to can get each second
Show each color pixel intensity adjustment parameter r in region；Then according to each color pixel in each second display area
Brightness regulation parameter r and corresponding color pixel driver information, can be obtained as the second viewing area of each of color cast correction information
The calibration power supply signal voltage expression formula of each color pixel in domain.It, can be according to each second before showing image based on this
The calibration power supply signal voltage expression formula of each color pixel controls corresponding color in each second display area in display area
The power supply signal voltage of pixel, and then the brightness of corresponding color pixel in each second display area is controlled, so that the first display
The luminance difference of the brightness in region and each second display area is less than preset difference value, and this makes it possible to reduce because of the first display
Region is with the second display area because of image colour cast caused by various colors pixel density ratio difference.
In some embodiments, as shown in figure 8, according to the pixel arrangement information of the first display area and each second display
The pixel arrangement information in region, each color pixel intensity adjustment parameter r obtained in each second display area include:
Step S121: according to the pixel arrangement information of the first display area, the various colors picture of the first display area is obtained
Plain quantitative proportion.
Step S122: according to the pixel arrangement information of each second display area, each of each second display area is obtained
Kind colored pixels quantitative proportion.
Step S123: according to each of the various colors pixel quantity ratio of the first display area and each second display area
Kind colored pixels quantitative proportion, obtains each color pixel intensity adjustment parameter r in each second display area, so that first
Display area is in equal proportions with various colors pixel intensity in second display area.It should be understood that same color pixel is two
The density of a difference display area is different, then colored pixels color diagram shown by the lower display area of density ratio
Image brightness is relatively low, and colored pixels color image brightness shown by the higher display area of density ratio is relatively high.It is right
For the image shown by the first display area, image shown by the first display area is not in colour cast problem, still,
Due to the various colors pixel quantity ratio of the various colors pixel quantity ratio and the second display area of the first display area
Difference, when causing from the point of view of image shown by the first display area and the second display area as a whole image, this is whole
There is colour cast problem in body image.Based on this, the brightness of the various colors contained by the second display area should be adjusted, with
Guarantee that the first display area is in equal proportions with various colors pixel intensity in the second display area, this makes it possible to guarantee that first is aobvious
Show that region is in equal proportions with various colors pixel intensity in the second display area.
For the color cast correction information setting method that the present invention is described in detail embodiment provides, below with pentile pixel
For the display panel of arrangement mode, illustrate the color cast correction information setting process of the display panel.
Fig. 9 shows a kind of display panel pixel arrangement schematic diagram of pentile pixel arrangements.As shown in figure 9, should
The pixel vertex type of display panel includes two classes, and first kind pixel includes red pixel R and green pixel G, the second class pixel
Point includes blue pixel B and green pixel G.It is single that one first kind pixel and a second class pixel constitute a repetition
Member.Display panel shown in Fig. 9 includes a first display area I and second display area II.
The pixel arrangement schematic diagram of display panel shown in Fig. 9 includes that the red pixel R density of the second display area is
The 1/2 of the red pixel density of one display area, the blue pixel density of the second display area are the blues of the first display area
The 1/2 of pixel density, the green pixel density of the second display area are the 1/4 of the green pixel density of the first display area.Together
When, red pixel quantity, green pixel quantity and the blue pixel ratio of number of the first display area are 1:2:1.Second display
Red pixel quantity, green pixel quantity and the blue pixel ratio of number in region are 1:1:1.
Figure 10 shows the gamma of the red pixel of original image.A curve in Figure 10 is the first display area
Red pixel gamma, the b curve in Figure 10 are the red pixel gamma of the second display area.By the song in Figure 10
Line a and curve b is it can be seen that the red pixel light emission luminance L1R of the first display area and the red pixel of the second display area
The ratio between the ratio between light emission luminance L2R and the red pixel density of the first display area and the red pixel density of the second display area
It is equal, i.e. L1R/L2R=2.
Figure 11 shows the gamma of the green pixel of original image.A curve in Figure 11 is the first display area
Green pixel gamma, the b curve in Figure 11 are the green pixel gamma of the second display area.By the song in Figure 11
Line a and curve b is it can be seen that the green pixel light emission luminance L1G of the first display area and the green pixel of the second display area
The ratio between the ratio between light emission luminance L2G and the green pixel density of the first display area and the green pixel density of the second display area
It is equal, i.e. L1G/L2G=4.
Figure 12 shows the gamma of the blue pixel of original image.A curve in Figure 12 is the first display area
Blue pixel gamma, the b curve in Figure 12 are the blue pixel gamma of the second display area.By the song in Figure 12
Line a and curve b is it can be seen that the blue pixel light emission luminance L1B of the first display area and the blue pixel of the second display area
The ratio between the ratio between light emission luminance L2B and the blue pixel density of the first display area and the blue pixel density of the second display area
It is equal, i.e. L1B/L2B=2.
When the proportionate relationship of the light emission luminance of red pixel R, green pixel G and blue pixel in the first display area is
When L1R:L1G:L1B, the proportionate relationship of the light emission luminance of red pixel R, green pixel G and blue pixel in the second display area
For L2R:L2G:L2B.And due to L1R/L2R=2, L1G/L2G=4 and L1B/L2B=2, therefore, L2R:L2G:L2B=
L1R/2:L1G1/4:L1B/2=L1R:L1G/2:L1B.It can be seen that for the display panel of pentile pixel arrangements
For, why original image generates colour cast, is primarily due to the various colors pixel quantity ratio of the first display area and every
The various colors pixel quantity ratio of a second display area is different.Based on this, due to red pixel R in the first display area,
The ratio of the light emission luminance of green pixel G and blue pixel B is L1R:L1G:L1B, and red pixel R in the second display area,
The ratio of the light emission luminance of green pixel G and blue pixel B is L1R:L1G/2:L1B, red in the first display area in order to guarantee
Red pixel R, green picture in the ratio of the light emission luminance of color pixel R, green pixel G and blue pixel B and the second display area
The light emission luminance of plain G and blue pixel B are in equal proportions, red pixel brightness regulation parameter r in the second display areaR=1, it is blue
Color pixel brightness regulation parameter rB=1, green pixel luminance adjustment parameter rG=2.
In addition, red pixel quantity, green pixel quantity and the blue pixel ratio of number when the first display area are 1:
2:1, red pixel quantity, green pixel quantity and the blue pixel ratio of number of the second display area are 1:1:1, therefore, root
According to the difference of the two, also red pixel brightness regulation parameter r in available second display areaR=1, blue pixel brightness tune
Save parameter rB=1, green pixel luminance adjustment parameter rG=2.
In some embodiments, as shown in figure 13, according to each color pixel intensity tune in each second display area
Parameter L1G and corresponding color pixel driver information are saved, is obtained as every kind in the second display area of each of color cast correction information
The calibration power supply signal voltage V of colored pixelsELVDDInclude:
Step S131: according in each second display area each color pixel intensity adjustment parameter L1G and pixel drive
Streaming current formula obtains the pixel driving current expression formula of each color pixel in each second display area；Each second is aobvious
Show the pixel driving current expression formula of each color pixel in region are as follows:
I is the pixel driving current of each color pixel in each second display area, VELVDD0For in the second display area
The primary power signal voltage of each color pixel, Vdata0For the initial data signal of each color pixel in the second display area
Voltage, k are constant, for the conductive factor of driving transistor.
It should be understood that pixel driving current formulaAnd pixel light emission brightness and driving current
Directly proportional, therefore, in order to guarantee that same color brightness shown by the first display area and the second display area is equal, second is aobvious
Show that the derivation process of the driving current expression formula of each color pixel in region is as follows:
Step S132: it according to the pixel driving current expression formula of each color pixel in each second display area, obtains
The calibration power supply signal voltage expression formula of each color pixel in each second display area.Every kind in each second display area
The calibration power supply signal voltage expression formula of colored pixels are as follows:
VELVDDFor the school of each color pixel in each second display area
Positive power signal voltage.
Illustratively,Thus may be used
See,It can be seen that can be according to the second display area contained by image information
The primary power signal voltage and initial data signal voltage of interior this kind of colored pixels obtain in each second display area every kind
The calibration power supply signal voltage V of colored pixelsELVDD.As r=2,
It should be understood that illustrate that the first display area is identical with this kind of colored pixels density of the second display area as r=1,
V at this timeELVDD=VELVDD0, therefore, using the calibration power supply signal voltage V of this kind of colored pixels in the second display areaELVDDControl
The power supply signal voltage of the colored pixels, is equivalently employed without control image information pair in corresponding second display area of imaged information
Answer the power supply signal voltage of the colored pixels in the second display area.
In view of there are linear relationships with grayscale for voltage data signal, therefore, as shown in figure 13, each second display is obtained
In region after the calibration power supply signal voltage expression formula of each color pixel, according to each color in each second display area
Pixel intensity adjustment parameter and corresponding color pixel driver information are obtained as the second display area of each of color cast correction information
The calibration power supply signal voltage expression formula of interior each color pixel further include:
Step S133: according to the relational expression between voltage data signal and grayscale to every kind of face in each second display area
The calibration power supply signal voltage expression formula of color pixel is converted so that in each second display area each color pixel school
Positive power signal voltage expression are as follows:
Gray is each color picture in the second display area
The grayscale value of element, the slope of relational expression of a between voltage data signal and grayscale, b is between voltage data signal and grayscale
Relational expression intercept.
It should be understood that since the relational expression between voltage data signal and grayscale is Vdata0=a × gray+b, therefore,It can be converted into according to following derivation process
From the foregoing, it will be observed that VELVDDFor the linear function about grayscale value, i.e. VELVDD=f (gray), so that each second display
The calibration power supply signal voltage V of each color pixel in regionELVDDWith the grayscale value of this kind of colored pixels in the second display area
There are linear relationships, can be according to the second viewing area contained by image information when so that carrying out colour cast processing to image information
The grayscale value of this kind of colored pixels in domain obtains the calibration power supply signal voltage of each color pixel in each second display area
VELVDD。
As r=2,
As shown in Fig. 7 and Figure 19, the embodiment of the invention also provides a kind of color cast correction information setting devices 300.The color
Inclined control information includes:
Transmit-Receive Unit 310, for receiving the pixel arrangement information of display area, the pixel arrangement information of display area includes
The pixel arrangement information of the pixel arrangement information of first display area and at least one the second display area, at least one is second aobvious
Show the pixel density of the pixel density less than the first display area in region；
The adjustment parameter setup unit 320 communicated to connect with Transmit-Receive Unit 310, for the pixel according to the first display area
The pixel arrangement information of arrangement information and each second display area obtains each color in each second display area
Pixel intensity adjustment parameter r.
The control information setup unit 330 communicated to connect with adjustment parameter setup unit 320, for aobvious according to each second
Show each color pixel intensity adjustment parameter r and corresponding color pixel driver information in region, obtains and believe as color cast correction
The calibration power supply signal voltage expression formula of each color pixel in the second display area of each of breath.Corresponding color pixel driver letter
Breath can be stored in internal memory or external memory.
The realization process of color cast correction information setting device 300 provided in an embodiment of the present invention is believed with reference to color cast correction above
Setting method is ceased, its advantages are identical as the beneficial effect of above-mentioned color cast correction information setting method, and this will not be repeated here.It answers
Understand, function possessed by above-mentioned adjustment parameter setup unit 320 and control information setup unit 330 can be integrated in a processing
In device.The processor can be that can be a processor, be also possible to the general designation of multiple processing elements.Such as: the processor
It can be central processing unit (Central Processing Unit, abbreviation CPU), be also possible to specific integrated circuit
It (Application Specific Integrated Circuit, abbreviation ASIC) or is arranged to implement of the invention real
Apply one or more integrated circuits of example.Such as: one or more microprocessors (digital signal processor, letter
Claim DSP), or, one or more field programmable gate array (Field Programmable Gate Array, abbreviation
FPGA)。
In some embodiments, as shown in Fig. 8 and Figure 19, above-mentioned adjustment parameter setup unit 320 is specifically used for according to the
The pixel arrangement information of one display area obtains the various colors pixel quantity ratio of the first display area；According to each second
The pixel arrangement information of display area obtains the various colors pixel quantity ratio of each second display area；It is aobvious according to first
Show the various colors pixel quantity ratio in region and the various colors pixel quantity ratio of each second display area, obtains each
Each color pixel intensity adjustment parameter r in second display area, so that the first display area and second display area
Interior various colors pixel intensity is in equal proportions.
In some embodiments, as shown in Figure 13 and Figure 19, above-mentioned control information setup unit 330 is specifically used for according to each
Each color pixel intensity adjustment parameter and pixel driving current formula in second display area obtain each second display area
The pixel driving current expression formula of interior each color pixel；According to the pixel driver of each color pixel in each second display area
Current expression obtains the calibration power supply signal voltage expression formula of each color pixel in each second display area；Each second is aobvious
Show the pixel driving current expression formula of each color pixel in region are as follows:Often
The calibration power supply signal voltage expression formula of each color pixel is in a second display areaI
For the pixel driving current of each color pixel in each second display area, VELVDDFor every kind of face in each second display area
The calibration power supply signal voltage of color pixel, VELVDD0For the primary power signal voltage of each color pixel in the second display area,
Vdata0For the initial data signal voltage of each color pixel in the second display area, k is constant.
In some embodiments, as shown in Figure 13 and Figure 19, above-mentioned control information setup unit 330 is also used to according to data
The calibration power supply signal voltage of relational expression between signal voltage and grayscale to each color pixel in each second display area
Expression formula is converted, so that the calibration power supply signal voltage expression formula of each color pixel is in each second display areaGray is the grayscale of each color pixel in the second display area
Value, the slope of relational expression of a between voltage data signal and grayscale, relational expression of the b between voltage data signal and grayscale
Intercept.
The embodiment of the invention also provides a kind of image processing methods.As shown in figure 14, which includes:
Step S210: image information is received；
Step S240: according to the colour cast of color cast correction information correction image information.The color cast correction information is using above-mentioned
The color cast correction information of color cast correction information setting method setting.It can be seen that image processing method provided in an embodiment of the present invention
In method, it is only necessary to using the colour cast of color cast correction information correction image information, without doing biggish change to display panel,
Cost is advantageously reduced in this way.
Compared with prior art, the beneficial effect of image processing method provided in an embodiment of the present invention and above-mentioned color cast correction
The beneficial effect of information setting method is identical, and this will not be repeated here.
In some embodiments, shown by the display panel of pentile pixel arrangements for image, due to
The particularity of its pixel arrangement, needs before the colour cast according to color cast correction information correction image information, carries out pixel wash with watercolours to it
Dye.Based on this, as shown in figure 14, after receiving image information, before the colour cast of color cast correction information correction image information, on
State image processing method further include:
Step S220: the pixel contained by described image information is rendered using pixel rendering method.Pixel rendering
Method is a kind of SPR (Sub Pixel Rendering) technology, for pixel set by pentile pixel arrangements
Rendering method.
When in some embodiments, in view of according to the colour cast of color cast correction information correction image information, believe only for image
The Pixel Information for ceasing corresponding second display area is handled, therefore, as shown in figure 14, after receiving image information, according to colour cast
Before control information corrects the colour cast of image information, above-mentioned image processing method further include:
Step S230: judge whether the pixel coordinate contained by image information is located in second display area.If
It is to execute step S240.Otherwise, terminate.
It should be understood that as shown in figure 14, if it exists step S220, then the execution sequence of step S220 and step S230 do not limit
It is fixed, it can be step S220 and executed before step S230, be also possible to step S230 and executed before step S220.Work as step
S230 is executed before step S220, then should execute step S230 before executing step S240.
In some embodiments, since color cast correction information is the correction of each color pixel in each second display area
Power supply signal voltage expression, therefore, the colour cast according to color cast correction information correction image information includes:
According to the calibration power supply signal electricity as each color pixel in the second display area of each of color cast correction information
The power supply signal voltage for pressing the corresponding color pixel of corresponding second display area of expression formula control image information, so that the first display
The luminance difference of the brightness in region and each second display area is less than preset difference value, it should be appreciated that preset difference value can be according to reality
The setting of border situation, when preset difference value is equal to 0, there is no colour casts completely for picture shown by display panel.But display surface
Picture shown by plate can not exist substantially the case where there is no colour casts completely, therefore, can by the size of preset difference value
Allow size there are colour cast to control the display panel shown picture.
As shown in figure 15, include: according to the colour cast of color cast correction information correction image information
Step S241: according to the calibration power supply of each color pixel in each second display area of color cast correction information setting
Signal voltage VELVDD。
Step S242: according to the calibration power supply signal voltage V of each color pixel in each second display areaELVDDControl
Corresponding color pixel light emission in each second display area, so that the brightness of the first display area and each second display area
Luminance difference is less than preset difference value.
If the calibration power supply signal voltage expression formula of each color pixel is in each second display areaAccording to each color picture in each second display area of color cast correction information setting
The calibration power supply signal voltage V of elementELVDDIt include: the calibration power supply signal according to each color pixel in each second display area
The primary power signal voltage V of each color pixel in voltage expression, the second display areaELVDD0In the second display area
The initial data signal voltage V of each color pixeldata0, obtain the correction electricity of each color pixel in each second display area
Source signal voltage VELVDD。
If the calibration power supply signal voltage expression formula of each color pixel is in each second display areaAccording to each second display area of color cast correction information setting
The calibration power supply signal voltage V of interior each color pixelELVDDIt include: according to each color pixel in each second display area
The primary power signal voltage V of each color pixel in calibration power supply signal voltage expression formula, the second display areaELVDD0With
The grayscale value gray of each color pixel in two display areas obtains the correction of each color pixel in each second display area
Power supply signal voltage VELVDD。
Such as: Fig. 9 shows a kind of display panel pixel arrangement schematic diagram of pentile pixel arrangements.Second is aobvious
Show the calibration power supply signal voltage expression formula of each color pixel in region are as follows:
After receiving image information, according to the calibration power supply signal electricity of each color pixel in each second display area
The primary power signal voltage V of each color pixel in pressure expression formula, the second display areaELVDD0With it is every in the second display area
The initial data signal voltage V of kind colored pixelsdata0, obtain the calibration power supply signal of each color pixel in the second display area
Voltage VELVDD.Then with the calibration power supply signal voltage V of each color pixel in the second display areaELVDDTo image information pair
The supply voltage in the second display area is answered to be controlled.
Figure 16 show processing after image red pixel gamma.A curve in Figure 16 is the first display area
Red pixel gamma, the b curve in Figure 16 is the red pixel gamma of the second display area.By in Figure 16
Curve a and curve b is it can be seen that the red pixel light emission luminance L1R of the first display area and the red picture of the second display area
The ratio between plain light emission luminance L2R and it of the red pixel density of the first display area and the red pixel density of the second display area
Than equal, i.e. L1R/L2R=2.
Figure 17 shows the gammas of the green pixel of image after processing.A curve in Figure 17 is the first display area
Green pixel gamma, the b curve in Figure 17 is the green pixel gamma of the second display area.By in Figure 17
Curve a and curve b is it can be seen that the green pixel light emission luminance L1G of the first display area and the green picture of the second display area
The ratio between plain light emission luminance L2G and it of the green pixel density of the first display area and the green pixel density of the second display area
Than equal, i.e. L1G/L2G=2.
Figure 18 show processing after image blue pixel gamma.A curve in Figure 18 is the first display area
Blue pixel gamma, the b curve in Figure 18 is the blue pixel gamma of the second display area.By in Figure 18
Curve a and curve b is it can be seen that the blue pixel light emission luminance L1B of the first display area and the blue picture of the second display area
The ratio between plain light emission luminance L2B and it of the blue pixel density of the first display area and the blue pixel density of the second display area
Than equal, i.e. L1B/L2B=2.
When the proportionate relationship of the light emission luminance of red pixel R, green pixel G and blue pixel B in the first display area is
When L1R:L1G:L1B, the ratio of the light emission luminance of red pixel R, green pixel G and blue pixel B is closed in the second display area
System is L2R:L2G:L2B.And due to L1R/L2R=2, L1G/L2G=2 and L1B/L2B=2, therefore, L2R:L2G:L2B=
L1R/2:L1G/2:L1B/2=L1R:L1G:L1B.It can be seen that the display panel for pentile pixel arrangements comes
It says, the various colors pixel quantity ratio of the various colors pixel quantity ratio of the first display area and each second display area
It is identical, so that the ratio of the light emission luminance of red pixel R, green pixel G and blue pixel B and second is shown in the first display area
Show being in equal proportions for the light emission luminance of red pixel R, green pixel G and blue pixel B in region, to guarantee image after processing
It is not in colour cast problem.
The embodiment of the invention also provides a kind of image processing apparatus.As shown in Figure 14 and Figure 19, the image processing apparatus
400 for executing above-mentioned image processing method.The image processing apparatus 400 includes:
Transceiver 410, for receiving image information；
Processor 420, for the colour cast according to color cast correction information correction image information, the color cast correction information is to adopt
The color cast correction information set with above-mentioned color cast correction information setting method.
Compared with prior art, the beneficial effect Yu above-mentioned colour cast of image processing apparatus 400 provided in an embodiment of the present invention
The beneficial effect of control information setting method is identical, and this will not be repeated here.
It should be understood that as shown in figure 19, above-mentioned color cast correction information can be stored in memory 430, at any time for processing
Device 420 is transferred.Based on this, above-mentioned image processing apparatus 400 further includes memory 430, which uses for storing
State the color cast correction information of color cast correction information setting method setting.
In some embodiments, as shown in figure 19, above-mentioned processor 420 is specifically used for according to as color cast correction information
The calibration power supply signal voltage expression formula control image information corresponding second of each color pixel is aobvious in each second display area
Show the power supply signal voltage of the corresponding color pixel in region, so that the brightness of the first display area and each second display area
Luminance difference is less than preset difference value.
As shown in Figure 15 and Figure 19, above-mentioned processor 420 is specifically used for aobvious according to color cast correction information setting each second
Show the calibration power supply signal voltage V of each color pixel in regionELVDD；According to each color pixel in each second display area
Calibration power supply signal voltage VELVDDCorresponding color pixel light emission in each second display area is controlled, so that the first display area
Brightness and each second display area luminance difference be less than preset difference value.
If the calibration power supply signal voltage expression formula of each color pixel is in each second display areaAccording to the calibration power supply signal of each color pixel in each second display area
The primary power signal voltage V of each color pixel in voltage expression, the second display areaELVDD0In the second display area
The initial data signal voltage V of each color pixeldata0, obtain the correction electricity of each color pixel in each second display area
Source signal voltage VELVDD。
If the calibration power supply signal voltage expression formula of each color pixel is in each second display areaAccording to each color pixel in each second display area
The primary power signal voltage V of each color pixel in calibration power supply signal voltage expression formula, the second display areaELVDD0With
The grayscale value gray of each color pixel in two display areas obtains the correction of each color pixel in each second display area
Power supply signal voltage VELVDD。
In some embodiments, as shown in Figure 14 and Figure 19, above-mentioned processor 420 is also used to according to color cast correction information
Before the colour cast for correcting image information, the pixel contained by image information is rendered using pixel rendering method.
In some embodiments, as shown in Figure 14 and Figure 19, above-mentioned processor 420 is also used to according to color cast correction information
Before the colour cast for correcting image information, when the pixel coordinate contained by image information is located in the second display area, basis is executed
The colour cast of color cast correction information correction image information.
The embodiment of the invention also provides a kind of computer storage mediums.Instruction is stored in the computer storage medium,
When described instruction is run, above-mentioned color cast correction information setting method and/or above-mentioned image processing method are realized.
Above-mentioned computer instruction can from a web-site, computer, server or data center by it is wired (such as
Coaxial cable, optical fiber, Digital Subscriber Line (DSL)) or wireless (such as infrared, wireless, microwave etc.) mode to another website station
Point, computer, server or data center are transmitted.Computer storage medium can be that computer can store it is any can
It either include the data storage devices such as one or more usable mediums integrated server, data center with medium.Jie can be used
Matter can be magnetic medium, (for example, floppy disk, hard disk, tape), optical medium (for example, DVD) or semiconductor medium (such as it is solid
State hard disk Solid State Disk, SSD) etc..
As shown in figure 19, the embodiment of the invention also provides a kind of display equipment.The display equipment includes image procossing end
End and display panel.The image processing terminal includes above-mentioned color cast correction information setting device 300 and/or above-mentioned image procossing dress
Set 400.It should be understood that due in image procossing, needing the correction electricity according to each color pixel in each second display area
Source signal voltage VELVDDCorresponding color pixel light emission in each second display area is controlled, therefore, the first display area is corresponding
The corresponding pixel of pixel and the second display area cannot share power supply signal terminal.
As shown in figure 19, when the display equipment includes above-mentioned color cast correction information setting device 300 and above-mentioned image procossing
Device 400, then Transmit-Receive Unit 310 included by above-mentioned color cast correction information setting device 300 is wrapped with image processing apparatus 400
The transceiver 410 included communicates.
Compared with prior art, the beneficial effect and above-mentioned color cast correction information of display equipment provided in an embodiment of the present invention
The beneficial effect of setting device 300 is identical, and this will not be repeated here.
As shown in figure 20, the embodiment of the present invention has been also provided to a kind of image processing terminal.The image processing terminal includes
Processor 420, memory 430, transceiver 410 and bus 440；Processor 420, memory 430 and transceiver 410 pass through bus
440 communicate with one another.For storing computer instruction, which is used to run the computer instruction memory 430,
Execute above-mentioned image processing method and/or color cast correction information setting method.
Wherein, processor 420 described in the embodiment of the present invention can be a processor, be also possible to multiple processing elements
General designation.For example, the processor 420 can be central processing unit (Central Processing Unit, abbreviation CPU), it can also
To be specific integrated circuit (Application Specific Integrated Circuit, abbreviation ASIC), or matched
The one or more integrated circuits for implementing the embodiment of the present invention are set to, such as: one or more microprocessors (digital
Signal processor, abbreviation DSP), or, one or more field programmable gate array (Field Programmable
Gate Array, abbreviation FPGA).
Memory 430 can be a storage device, be also possible to the general designation of multiple memory elements, and for storing and can hold
Line program code etc..And memory 430 may include random access memory (RAM), also may include nonvolatile memory (non-
Volatile memory), for example, magnetic disk storage, flash memory (Flash) etc..
It is total that bus 440 can be industry standard architecture (Industry Standard Architecture, ISA)
Line, external equipment interconnection (Peripheral Component, PCI) bus or extended industry-standard architecture (Extended
Industry Standard Architecture, EISA) bus etc..It is total that the bus 440 can be divided into address bus, data
Line, control bus etc..Only to be indicated with a thick line in Figure 20, it is not intended that an only bus or one kind convenient for indicating
The bus of type.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for equipment reality
For applying example, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to embodiment of the method
Part explanation.
In the description of above embodiment, particular features, structures, materials, or characteristics can be at any one or more
It can be combined in any suitable manner in a embodiment or example.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (14)
1. a kind of color cast correction information setting method characterized by comprising
The pixel arrangement information of display area is received, the pixel arrangement information of the display area includes the picture of the first display area
The pixel arrangement information of plain arrangement information and at least one the second display area, the pixel of at least one second display area
Density is less than the pixel density of first display area；
According to the pixel arrangement information of the pixel arrangement information of first display area and each second display area, obtain
Obtain each color pixel intensity adjustment parameter r in each the second display area；
According to each color pixel intensity adjustment parameter r and corresponding color pixel driver letter in each second display area
Breath obtains the calibration power supply signal voltage expression as each color pixel in the second display area of each of color cast correction information
Formula.
2. color cast correction information setting method according to claim 1, which is characterized in that described according to first display
The pixel arrangement information of the pixel arrangement information in region and each second display area obtains in each second display area
Each color pixel intensity adjustment parameter r include:
According to the pixel arrangement information of first display area, the various colors pixel quantity ratio of the first display area is obtained
Example；
According to the pixel arrangement information of each second display area, the various colors pixel of each second display area is obtained
Quantitative proportion；
According to the various colors picture of the various colors pixel quantity ratio of first display area and each second display area
Plain quantitative proportion obtains each color pixel intensity adjustment parameter r in each second display area, so that first display
Region is in equal proportions with various colors pixel intensity in second display area.
3. color cast correction information setting method according to claim 1, which is characterized in that described according to each described second
Each color pixel intensity adjustment parameter r and corresponding color pixel driver information in display area are obtained and are used as color cast correction
The calibration power supply signal voltage V of each color pixel in the second display area of each of informationELVDDInclude:
According to each color pixel intensity adjustment parameter r and pixel driving current formula in each second display area,
Obtain the pixel driving current expression formula of each color pixel in each second display area；Every kind in each second display area
The pixel driving current expression formula of colored pixels are as follows:
I is the picture of each color pixel in each second display area
Plain driving current, VELVDD0For the primary power signal voltage of each color pixel in the second display area, Vdata0For the second display
The initial data signal voltage of each color pixel, k are constant in region；
According to the pixel driving current expression formula of each color pixel in each second display area, it is aobvious to obtain each second
Show the calibration power supply signal voltage expression formula of each color pixel in region, each color pixel in each second display area
Calibration power supply signal voltage expression formula are as follows:
VELVDDFor the calibration power supply of each color pixel in each second display area
Signal voltage.
4. color cast correction information setting method according to claim 3, which is characterized in that described to obtain each second display
In region after the calibration power supply signal voltage expression formula of each color pixel, according to every kind in each second display area
Colored pixels brightness regulation parameter and corresponding color pixel driver information are obtained and are shown as each of color cast correction information second
The calibration power supply signal voltage expression formula of each color pixel in region further include:
According to the relational expression between voltage data signal and grayscale to each color pixel in each second display area
Calibration power supply signal voltage expression formula is converted, so that the calibration power supply of each color pixel is believed in each second display area
Number voltage expression are as follows:
Gray is each color pixel in the second display area
Grayscale value, the slope of relational expression of a between voltage data signal and grayscale, pass of the b between voltage data signal and grayscale
It is the intercept of formula.
5. a kind of color cast correction information setting device characterized by comprising
Transmit-Receive Unit, for receiving the pixel arrangement information of display area, the pixel arrangement information of the display area includes the
The pixel arrangement information of one display area and the pixel arrangement information of at least one the second display area, at least one described second
The pixel density of display area is less than the pixel density of first display area；
Luminance parameter setup unit, for the pixel arrangement information and each second display according to first display area
The pixel arrangement information in region obtains each color pixel intensity adjustment parameter r in each second display area；
Control information setup unit, for according to each color pixel intensity adjustment parameter in each second display area
R and corresponding color pixel driver information are obtained as each color pixel in the second display area of each of color cast correction information
Calibration power supply signal voltage expression formula.
6. color cast correction information setting device according to claim 5, which is characterized in that the luminance parameter setup unit
Specifically for the pixel arrangement information according to first display area, the various colors pixel quantity of the first display area is obtained
Ratio；According to the pixel arrangement information of each second display area, the various colors picture of each second display area is obtained
Plain quantitative proportion；According to the various of the various colors pixel quantity ratio of first display area and each second display area
Colored pixels quantitative proportion obtains each color pixel intensity adjustment parameter r in each second display area, so that described the
One display area is in equal proportions with various colors pixel intensity in second display area.
7. color cast correction information setting device according to claim 5, which is characterized in that the control information setup unit
Specifically for according to each color pixel intensity adjustment parameter r and pixel driving current public affairs in each second display area
Formula obtains the pixel driving current expression formula of each color pixel in each second display area；It is aobvious according to each described second
Show the pixel driving current expression formula of each color pixel in region, obtains each color pixel in each second display area
Calibration power supply signal voltage expression formula；
The pixel driving current expression formula of each color pixel in each second display area are as follows:
I is the picture of each color pixel in each second display area
Plain driving current, VELVDD0For the primary power signal voltage of each color pixel in the second display area, Vdata0For the second display
The initial data signal voltage of each color pixel, k are constant in region；
The pixel driving current expression formula of each color pixel in each second display area are as follows:
VELVDDFor the calibration power supply of each color pixel in each second display area
Signal voltage.
8. color cast correction information setting device according to claim 7, which is characterized in that the control information setup unit
It is also used to according to the relational expression between voltage data signal and grayscale to each color pixel in each second display area
Calibration power supply signal voltage expression formula converted so that in each second display area each color pixel calibration power supply
Signal voltage expression formula are as follows:Gray is in the second display area
The grayscale value of each color pixel, the slope of relational expression of a between voltage data signal and grayscale, b is voltage data signal
The intercept of relational expression between grayscale.
9. a kind of image processing method characterized by comprising
Receive image information；
According to the colour cast of color cast correction information correction image information, the color cast correction information is any using Claims 1 to 4
The color cast correction information of the item color cast correction information setting method setting.
10. image processing method according to claim 9, which is characterized in that
After the reception image information, before the colour cast according to color cast correction information correction image information, described image processing
Method further include:
The pixel contained by described image information is rendered using pixel rendering method；
And/or
After the reception image information, before the colour cast according to color cast correction information correction image information, described image processing
Method further include:
Judge whether the pixel coordinate contained by described image information is located in second display area；
If so, executing the colour cast according to color cast correction information correction image information；
And/or
The colour cast according to color cast correction information correction image information includes:
According to the calibration power supply signal voltage V of each color pixel in each second display area of color cast correction information settingELVDD；
According to the calibration power supply signal voltage V of each color pixel in each second display areaELVDDControl each second display
Corresponding color pixel light emission in region, so that the brightness of the first display area and the luminance difference of each second display area are less than
Preset difference value；
If the calibration power supply signal voltage expression formula of each color pixel is in each second display areaIt is described according to every kind of face in each second display area of color cast correction information setting
The calibration power supply signal voltage V of color pixelELVDDInclude:
According in the calibration power supply signal voltage expression formula of each color pixel in each second display area, the second display area
The primary power signal voltage V of each color pixelELVDD0With the initial data signal of each color pixel in the second display area
Voltage Vdata0, obtain the calibration power supply signal voltage V of each color pixel in each second display areaELVDD；
If the calibration power supply signal voltage expression formula of each color pixel is in each second display areaIt is described to be shown according to color cast correction information setting each second
The calibration power supply signal voltage V of each color pixel in regionELVDDInclude:
According in the calibration power supply signal voltage expression formula of each color pixel in each second display area, the second display area
The primary power signal voltage V of each color pixelELVDD0With the grayscale value gray of each color pixel in the second display area,
Obtain the calibration power supply signal voltage V of each color pixel in each second display areaELVDD。
11. a kind of image processing apparatus characterized by comprising
Transceiver, for receiving image information；
Processor, for the colour cast according to color cast correction information correction image information, the color cast correction information is using right
It is required that the color cast correction information of any one of 1~4 color cast correction information setting method setting.
12. image processing apparatus according to claim 11, which is characterized in that
Described image processing unit further includes memory, and the memory is for storing using described in any one of Claims 1 to 4
The color cast correction information of color cast correction information setting method setting；And/or
The processor is also used to before the colour cast according to color cast correction information correction image information, using pixel rendering method pair
Pixel contained by described image information is rendered；And/or
When the pixel coordinate contained by described image information is located in second display area, execution is believed according to color cast correction
The colour cast of breath correction image information；And/or
According to the calibration power supply signal voltage V of each color pixel in each second display area of color cast correction information settingELVDD；
According to the calibration power supply signal voltage V of each color pixel in each second display areaELVDDControl each second display area
Interior corresponding color pixel light emission is preset so that the luminance difference of the brightness of the first display area and each second display area is less than
Difference；Wherein,
If the calibration power supply signal voltage expression formula of each color pixel is in each second display areaAccording to the calibration power supply signal of each color pixel in each second display area
The primary power signal voltage V of each color pixel in voltage expression, the second display areaELVDD0In the second display area
The initial data signal voltage V of each color pixeldata0, obtain the correction electricity of each color pixel in each second display area
Source signal voltage VELVDD；If the calibration power supply signal voltage expression formula of each color pixel is in each second display areaAccording to each color pixel in each second display area
The primary power signal voltage V of each color pixel in calibration power supply signal voltage expression formula, the second display areaELVDD0With
The grayscale value gray of each color pixel in two display areas obtains the correction of each color pixel in each second display area
Power supply signal voltage VELVDD。
13. a kind of computer storage medium, which is characterized in that be stored with instruction, described instruction in the computer storage medium
When being run, realize described in any one of the Claims 1 to 4 color cast correction information setting method and/or claim 9 or 10
Image processing method.
14. a kind of display equipment, which is characterized in that including any one of the claim 5~8 color cast correction information setting device
And/or claim 11 or 12 described image processing units.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111292687A (en) * | 2020-02-20 | 2020-06-16 | 京东方科技集团股份有限公司 | Pixel driving circuit, pixel structure and display panel |
| CN111724732A (en) * | 2020-06-17 | 2020-09-29 | Oppo广东移动通信有限公司 | Electronic device and control method of display device |
| CN113130572A (en) * | 2019-12-30 | 2021-07-16 | 乐金显示有限公司 | Display device |
| CN113138735A (en) * | 2020-01-20 | 2021-07-20 | 北京迈格威科技有限公司 | Display control method, device and electronic system |
| WO2022099624A1 (en) * | 2020-11-13 | 2022-05-19 | 京东方科技集团股份有限公司 | Display device, and brightness compensation circuit and brightness compensation method thereof |
| CN116631313A (en) * | 2023-07-25 | 2023-08-22 | 中电创达(深圳)实业有限公司 | Color correction method and system for liquid crystal display panel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010067581A1 (en) * | 2008-12-10 | 2010-06-17 | シャープ株式会社 | Liquid crystal display device |
| WO2018000700A1 (en) * | 2016-06-30 | 2018-01-04 | Boe Technology Group Co., Ltd. | Image processing apparatus and method for correcting color shift in displayed image |
| WO2018113248A1 (en) * | 2016-12-20 | 2018-06-28 | 惠科股份有限公司 | Display device and method for driving display panel thereof |
| CN109559650A (en) * | 2019-01-16 | 2019-04-02 | 京东方科技集团股份有限公司 | A kind of pixel rendering method and device, image rendering method and device, display device |
| CN109791753A (en) * | 2016-09-14 | 2019-05-21 | 苹果公司 | The external compensation of display in mobile device |
| WO2019119607A1 (en) * | 2017-12-21 | 2019-06-27 | 惠科股份有限公司 | Driving method and device for display device and a display device |
-
2019
- 2019-07-25 CN CN201910679004.XA patent/CN110379350B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010067581A1 (en) * | 2008-12-10 | 2010-06-17 | シャープ株式会社 | Liquid crystal display device |
| WO2018000700A1 (en) * | 2016-06-30 | 2018-01-04 | Boe Technology Group Co., Ltd. | Image processing apparatus and method for correcting color shift in displayed image |
| CN109791753A (en) * | 2016-09-14 | 2019-05-21 | 苹果公司 | The external compensation of display in mobile device |
| WO2018113248A1 (en) * | 2016-12-20 | 2018-06-28 | 惠科股份有限公司 | Display device and method for driving display panel thereof |
| WO2019119607A1 (en) * | 2017-12-21 | 2019-06-27 | 惠科股份有限公司 | Driving method and device for display device and a display device |
| CN109559650A (en) * | 2019-01-16 | 2019-04-02 | 京东方科技集团股份有限公司 | A kind of pixel rendering method and device, image rendering method and device, display device |
Non-Patent Citations (1)
| Title |
|---|
| 李治江 户尊兰: "《基于颜色特征分析的色偏检测算法》", 《计算机系统应用》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113130572A (en) * | 2019-12-30 | 2021-07-16 | 乐金显示有限公司 | Display device |
| US11925060B2 (en) | 2019-12-30 | 2024-03-05 | Lg Display Co., Ltd. | Display with movable reflective member |
| CN113138735A (en) * | 2020-01-20 | 2021-07-20 | 北京迈格威科技有限公司 | Display control method, device and electronic system |
| CN111292687A (en) * | 2020-02-20 | 2020-06-16 | 京东方科技集团股份有限公司 | Pixel driving circuit, pixel structure and display panel |
| US11869424B2 (en) | 2020-02-20 | 2024-01-09 | Boe Technology Group Co., Ltd. | Pixel driving circuit, pixel structure, and display panel |
| CN111724732A (en) * | 2020-06-17 | 2020-09-29 | Oppo广东移动通信有限公司 | Electronic device and control method of display device |
| WO2022099624A1 (en) * | 2020-11-13 | 2022-05-19 | 京东方科技集团股份有限公司 | Display device, and brightness compensation circuit and brightness compensation method thereof |
| US11688338B2 (en) | 2020-11-13 | 2023-06-27 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display device, luminance compensation circuit thereof and luminance compensation method |
| CN116631313A (en) * | 2023-07-25 | 2023-08-22 | 中电创达(深圳)实业有限公司 | Color correction method and system for liquid crystal display panel |
| CN116631313B (en) * | 2023-07-25 | 2023-10-13 | 中电创达(深圳)实业有限公司 | Color correction method and system for liquid crystal display panel |
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