WO2019227971A1 - 像素数据的处理方法及处理装置、显示装置及显示方法、计算机可读存储介质 - Google Patents

像素数据的处理方法及处理装置、显示装置及显示方法、计算机可读存储介质 Download PDF

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Publication number
WO2019227971A1
WO2019227971A1 PCT/CN2019/075241 CN2019075241W WO2019227971A1 WO 2019227971 A1 WO2019227971 A1 WO 2019227971A1 CN 2019075241 W CN2019075241 W CN 2019075241W WO 2019227971 A1 WO2019227971 A1 WO 2019227971A1
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Prior art keywords
pixel data
pixels
target pixel
revised
target
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PCT/CN2019/075241
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English (en)
French (fr)
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鲍文超
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京东方科技集团股份有限公司
合肥鑫晟光电科技有限公司
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Priority to US16/490,395 priority Critical patent/US11984066B2/en
Publication of WO2019227971A1 publication Critical patent/WO2019227971A1/zh

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    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22Control 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
    • G09G3/30Control 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
    • G09G3/32Control 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]
    • G09G3/3208Control 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]
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2003Display of colours
    • GPHYSICS
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    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22Control 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
    • G09G3/30Control 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
    • G09G3/32Control 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]
    • G09G3/3208Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G09G3/3233Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
    • GPHYSICS
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    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/02Improving the quality of display appearance
    • G09G2320/0242Compensation of deficiencies in the appearance of colours
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/02Improving the quality of display appearance
    • G09G2320/0285Improving the quality of display appearance using tables for spatial correction of display data
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/04Maintaining the quality of display appearance
    • G09G2320/043Preventing or counteracting the effects of ageing
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/04Maintaining the quality of display appearance
    • G09G2320/043Preventing or counteracting the effects of ageing
    • G09G2320/048Preventing or counteracting the effects of ageing using evaluation of the usage time
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/06Adjustment of display parameters
    • G09G2320/0626Adjustment of display parameters for control of overall brightness
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00Aspects of the architecture of display systems
    • G09G2360/14Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/145Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
    • G09G2360/147Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen the originated light output being determined for each pixel

Definitions

  • Embodiments of the present disclosure relate to a method and device for processing pixel data, a display device and method, and a computer-readable storage medium.
  • OLED Organic Light Emitting Diode
  • RGBW red, green, blue, white
  • RGBW four-color technology can increase the light transmittance and brightness of OLED display devices, giving users a more crystal-clear feeling on the screen. Therefore, RGBW four-color technology is widely used in OLED displays.
  • Some embodiments of the present disclosure provide a method for processing pixel data.
  • the processing method includes: determining a target pixel point among pixels of a display frame image to be revised, and the pixel data of each pixel point includes S different primary colors. Of initial pixel data and one white initial pixel data, where S is a positive integer; converting the white initial pixel data in the pixel data of the target pixel point into equivalent pixel data of S different primary colors; according to the target pixel point The equivalent pixel data of the S different primary colors in the pixel data and the initial pixel data of the S different primary colors in the pixel data of the target pixel, obtain the target pixel data of the S different primary colors of the target pixel and A white target pixel data, wherein the white target pixel data corresponds to 0 gray levels.
  • the determining a target pixel point in a pixel point of a display frame image to be revised includes: obtaining initial values of S different primary colors of all pixel points in any display frame image. Pixel data and one white initial pixel data; the sum of the brightness corresponding to the white initial pixel data of all the pixels in the display frame image and the brightness corresponding to the S initial pixel data of the different primary colors and the white initial pixel data of all pixels
  • the ratio of the sum is greater than or equal to the first threshold, it is determined that the display frame image is the display frame image to be revised, and a target pixel point among the pixels of the display frame image to be revised is determined.
  • the first threshold is greater than or equal to 70%.
  • the display frame image to be revised includes a plurality of target pixels, and determining the target pixel point among pixels of a display frame image to be revised includes: Part of the pixel points in the pixels of the frame image to be revised are determined as the plurality of target pixel points.
  • n consecutive display frame images to be revised constitute a group of display frames to be revised, and n is a positive integer; in the group of display frames to be revised, different to be revised The position of the target pixel of the displayed frame image is different.
  • positions of all target pixel points of the n consecutive display frame images to be revised correspond to positions of all pixel points of a display frame image one to one.
  • the determining a part of pixels in the pixels of the display frame image to be revised as the plurality of target pixels includes: determining the display frame to be revised All the pixel points of the i-th to-be-revised display frame image in the group located at the i + n * k column pixels are determined as a plurality of target pixel points corresponding to the i-th to-be-revised display frame image,
  • N is the total number of columns of pixels in the i-th display frame image to be revised.
  • the determining a part of pixels in the pixels of the display frame image to be revised as the plurality of target pixels includes: determining the display frame to be revised All pixel points of the j-th to-be-revised display frame image in the group located at the j + n * k-th row of pixels are determined as a plurality of target pixel points corresponding to the j-th to-be-revised display frame image,
  • M is the total number of rows of pixels in the j-th display frame image to be revised.
  • obtaining target pixel data of S different primary colors of the target pixel point and one white target pixel data includes: equivalent pixel data of the S different primary colors and initial pixel data of the S different primary colors Correspondingly superimpose to obtain the target pixel data of the S different primary colors and the white target pixel data.
  • Some embodiments of the present disclosure also provide a display method of a display device.
  • the display device includes a plurality of pixel units, and the display method includes: obtaining targets of S different primary colors corresponding to target pixels in a display frame image to be revised. Pixel data and one white target pixel data, wherein the target pixel data of the S different primary colors and the white target pixel data are obtained according to the pixel data processing method according to any one of the above; and the target pixel point correspondence is controlled
  • the pixel unit displays according to the target pixel data of the S different primary colors and the white target pixel data.
  • Some embodiments of the present disclosure further provide a display method of a display device.
  • the display device includes a plurality of pixel units, and the display method includes: obtaining a plurality of target pixel data sets respectively corresponding to a plurality of target pixel points, wherein, Each target pixel data set in the plurality of target pixel data sets includes target pixel data of S different primary colors and one white target pixel data, and the targets of the S different primary colors in each target pixel data set
  • the pixel data and the white target pixel data are obtained according to the pixel data processing method according to any one of the above;
  • each pixel unit is controlled according to the S different primary colors of the target pixel corresponding to each pixel unit.
  • Target pixel data and a white target pixel data for display
  • each pixel unit in the multiple pixel units corresponding to the multiple target pixel points is controlled according to the corresponding S target pixel data of different primary colors and one white target pixel data are displayed, and a plurality of initial pixel data groups corresponding to pixels other than the plurality of target pixel points are obtained, where Each includes S initial pixel data of different primary colors and one white initial pixel data, and controls each pixel unit of a plurality of pixel units corresponding to pixels other than the plurality of target pixel points according to the corresponding S different primary colors Display the initial pixel data and white initial pixel data.
  • each of the pixel units includes S primary color subpixels and one white subpixel, and the S primary color subpixels and target pixel data of the S different primary colors One-to-one correspondence, the white sub-pixels correspond to the white initial pixel data.
  • Some embodiments of the present disclosure further provide a pixel data processing apparatus, including a memory and a processor; the memory stores a computer program, and the processor is configured to execute the computer program to implement the computer program according to any one of the foregoing. Approach.
  • Some embodiments of the present disclosure also provide a computer-readable medium that stores a computer program that, when executed by a computer, implements the processing method according to any one of the above.
  • Some embodiments of the present disclosure further provide a pixel data processing device, including: a target pixel determination module, configured to determine a target pixel point among pixels of a display frame image to be revised, and the pixel data of each pixel point includes S Initial pixel data of different primary colors and one white initial pixel data, where S is a positive integer; a conversion module is configured to convert the white initial pixel data in the pixel data of the target pixel point to an equivalent of S different primary colors Pixel data; a target pixel data acquisition module, configured to: according to the equivalent pixel data of S different primary colors in the pixel data of the target pixel and the initial pixel data of S different primary colors in the pixel data of the target pixel To obtain target pixel data of S different primary colors and one white target pixel data of the target pixel point, where the white target pixel data corresponds to 0 gray levels.
  • a target pixel determination module configured to determine a target pixel point among pixels of a display frame image to be revised, and the pixel data of each pixel
  • Some embodiments of the present disclosure further provide a display device including a plurality of pixel units and the pixel data processing device according to any one of the above.
  • Embodiments of the present disclosure provide a method and a device for processing pixel data, a display device and a display method, and a computer-readable storage medium.
  • the method for processing pixel data includes: determining a target pixel among pixels of a display frame image to be revised; Point, the pixel data of each pixel includes S initial pixel data of different primary colors and one white initial pixel data, where S is a positive integer; the white initial pixel data in the pixel data of the target pixel is converted into S different The equivalent pixel data of the primary color; according to the equivalent pixel data of the different primary colors in the pixel data of the target pixel and the initial pixel data of the different primary colors in the pixel data of the target pixel, the S pixels of the target pixel are obtained Target pixel data of different primary colors and one white target pixel data, wherein the white target pixel data corresponds to 0 gray levels.
  • FIG. 1 is a flowchart of a method for processing pixel data provided by some embodiments of the present disclosure
  • step S101 in the method for processing pixel data shown in FIG. 1;
  • 3a is a schematic view of lighting a sub-pixel corresponding to a display frame image to be revised according to some embodiments of the present disclosure
  • 3b is a schematic diagram of lighting of a sub-pixel corresponding to another display frame image to be modified provided by some embodiments of the present disclosure
  • FIG. 3c is a schematic diagram of lighting a sub-pixel corresponding to a display frame image to be revised according to some embodiments of the present disclosure
  • 3d is a schematic diagram of lighting a sub-pixel corresponding to another display frame image to be revised according to some embodiments of the present disclosure
  • FIG. 4a is a schematic diagram of lighting a sub-pixel corresponding to a display frame image to be revised provided by some embodiments of the present disclosure
  • FIG. 4b is a schematic diagram of lighting a sub-pixel corresponding to another display frame image to be modified provided by some embodiments of the present disclosure
  • 4c is a schematic diagram of lighting a sub-pixel corresponding to a display frame image to be revised provided by some embodiments of the present disclosure
  • 4d is a schematic diagram of lighting a sub-pixel corresponding to another display frame image to be revised according to still another embodiment of the present disclosure
  • FIG. 5 is a flowchart of a display method of a display device provided by some embodiments of the present disclosure.
  • FIG. 6 is a schematic block diagram of a pixel data processing apparatus according to some embodiments of the present disclosure.
  • FIG. 7 is a schematic diagram of a pixel driving circuit provided by some embodiments of the present disclosure.
  • An embodiment of the present disclosure provides a method for processing pixel data. As shown in FIG. 1, the method for processing pixel data includes:
  • Step S101 Determine a target pixel point in a pixel point of a frame image to be revised.
  • the pixel data of each pixel point includes S initial pixel data of different primary colors and one white initial pixel data, where S is a positive integer.
  • a target pixel point may be determined according to a preset rule.
  • the preset rule may be, for example, selecting a fixed position pixel point in the display frame image to be revised as the target pixel point, or selecting a target point to be revised. Pixels corresponding to white in the display frame image are used as target pixels.
  • the preset rule may be determined according to actual needs, which is not limited in the embodiments of the present disclosure.
  • the initial pixel data of the S different primary colors correspond to the S different primary colors.
  • the S different primary colors may be three primary colors of red, green, and blue, or three colors of red, green, and blue.
  • the complementary colors of the primary colors that is, three colors of cyan, magenta, and yellow, of course, can also be other colors for display, which is not limited in the present disclosure, as long as the S different primary colors can achieve screen display of different colors.
  • the initial pixel data of the S different primary colors includes a red initial pixel Data R1, green initial pixel data G1 and blue initial pixel data B1, red initial pixel data R1 corresponds to red, green initial pixel data G1 corresponds to green, and blue initial pixel data B1 corresponds to blue.
  • the pixel data of each pixel includes red initial pixel data R1, green initial pixel data G1, blue initial pixel data B1, and white initial pixel data W1.
  • the white initial pixel data W1 corresponds to white.
  • Step S102 Convert the white initial pixel data in the pixel data of the target pixel point into equivalent pixel data of S different primary colors.
  • the equivalent pixel data of the S different primary colors include red equivalent pixel data R2, green equivalent pixel data G2, and blue equivalent pixel data B2.
  • the white initial pixel data W1 may be converted into red equivalent pixel data R2, green equivalent pixel data G2, and blue equivalent pixel data B2.
  • white with a specific brightness can be equivalent to a specific ratio of red, blue, and green; that is, by converting the white initial pixel data W1 in the target pixel point into red equivalent pixel data R2, green, etc.
  • the effective pixel data G2 and the blue equivalent pixel data B2 can be displayed by the red equivalent pixel data R2, the green equivalent pixel data G2, and the blue equivalent pixel data B2.
  • L W1 L R2 + L G2 + L B2
  • L W1 represents the brightness when a sub-pixel is displayed according to the white initial pixel data W1
  • L R2 represents a sub-pixel according to the red equivalent pixel
  • L G2 represents the brightness when a sub-pixel is displayed according to the green equivalent pixel data G2
  • L B2 represents the brightness when a sub-pixel is displayed according to the blue equivalent pixel data B2).
  • Step S103 Obtain the targets of the S different primary colors of the target pixel according to the equivalent pixel data of the S different primary colors in the pixel data of the target pixel and the initial pixel data of the S different primary colors in the pixel data of the target pixel. Pixel data and one white target pixel data, wherein the white target pixel data corresponds to 0 gray levels.
  • the target pixel data of the S different primary colors include red target pixel data, green target pixel data, and blue target pixel data.
  • step S103 may include: correspondingly superimposing the equivalent pixel data of the S different primary colors and the initial pixel data of the S different primary colors to obtain target pixel data of the S different primary colors and a white target pixel, respectively. data.
  • the above-mentioned equivalent pixel data of the S different primary colors corresponding to the target pixel point and the initial pixel data of the S different primary colors corresponding to the target pixel point are respectively superimposed to mean that the equivalent of the same color is equivalent
  • the pixel data and the initial pixel data are respectively superimposed, for example, red equivalent pixel data is superimposed with red initial pixel data to obtain red target pixel data, green equivalent pixel data is superimposed with green initial pixel data to obtain green target pixel data,
  • the blue equivalent pixel data is superimposed with the blue initial pixel data to obtain the blue target pixel data; of course, the "overlay" here may be a direct addition, a weighted addition, etc., which is not made in this disclosure. Specifically limited, in practice, a corresponding superimposing manner may be selected according to requirements.
  • ⁇ 2 is the weighting coefficient of blue equivalent pixel data B2; since it is equivalently replaced with white initial pixel data W1 through red equivalent pixel data R2, green equivalent pixel data G2, and blue equivalent pixel data B2,
  • the white target pixel data corresponds to 0 gray levels, which means that During display, the sub-pixel corresponding to the white target pixel data in the target pixel point is in a dark state (that is, does not light up).
  • the white initial pixel data corresponding to the target pixel is converted into equivalent pixel data of S different primary colors, and the equivalent pixel data of S different primary colors is corresponding to S of the target pixel.
  • the initial pixel data of different primary colors are superimposed correspondingly to obtain S target pixel data of different target colors and a white target pixel data of the target pixel point, where the white target pixel data corresponds to 0 grayscale; that is, when the target When a pixel is displayed, the sub-pixels corresponding to the white target pixel data are dark (not lit); and the S sub-pixels corresponding to the target pixel data of the S different primary colors respectively display the initial pixels of the S different primary colors.
  • the brightness corresponding to the initial number of white pixels is also equivalently displayed through the joint action; in this way, the white target pixel data corresponds to 0 gray levels (that is, the subpixels corresponding to the white target pixel data are not (Lit)), only the S sub-pixels in the target pixel are used to display according to the target pixel data of S different primary colors
  • the display effect of the target pixel point can be realized.
  • the display effect and the S sub-pixels in the target pixel point are respectively displayed according to the corresponding initial pixel data of S different primary colors, and a white sub-pixel in the target pixel point is displayed according to a white initial pixel.
  • the display effect of the data display is the same, thereby reducing the lighting time of the white sub-pixel corresponding to the white target pixel data, thereby solving the problem of reducing the life of the display device due to the excessively long lighting time of the white sub-pixel.
  • step S101 the target pixel point in the pixel point of a frame image to be revised and displayed.
  • step S101 may include:
  • Step S1011 obtaining initial pixel data of S different primary colors and one white initial pixel data of all pixel points in any display frame image.
  • Step S1012 in the display frame image, the ratio I of the sum of the brightness of the white initial pixel data of all the pixels to the sum of the initial pixel data of the S different primary colors of all pixels and the sum of the brightness of the white initial pixel data is greater than or equal to In the case of the first threshold A, it is determined that the display frame image is a display frame image to be revised, and a target pixel point among the pixels of the display frame image to be revised is determined.
  • step S1012 the sum of the brightness corresponding to the white initial pixel data of all pixels in a display frame image is expressed as L W1 (total), and the initial pixel data and white initial pixel data of S different primary colors of all pixels are shown.
  • the corresponding sum of brightness is expressed as L W1 (total) + L R1 (total) + L G1 (total) + L B1 (total), for example, L R1 (total) represents the brightness corresponding to the red initial pixel data of all pixels Sum, L G1 (total) represents the sum of brightness corresponding to the green initial pixel data of all pixels, and L B1 (total) represents the sum of brightness corresponding to the blue initial pixel data of all pixels.
  • the ratio I of brightness is expressed as:
  • step S1012 the ratio I is compared with the first threshold A. If I is greater than or equal to A, it is determined that the display frame image is a display frame image to be revised, and a pixel point of the display frame image to be revised is determined. Of course, if I is less than A, the display frame image is not modified (that is, the above-mentioned pixel data processing is not performed), and the initial pixel data corresponding to all pixels in the display frame image (i.e. S initial pixel data of different primary colors and white initial pixel data) can be displayed.
  • the above-mentioned ratio I is greater than or equal to the first threshold value A, which may refer to I> A or I ⁇ A.
  • the first threshold A may be greater than or equal to 70%, for example, it may be A ⁇ 70%, or A> 70%. It should be noted that the embodiment of the present disclosure does not limit the specific value of the first threshold value A, and the first threshold value A may be, for example, 65% or more.
  • a ratio I of the sum of the brightness of the white initial pixel data of all pixels in a display frame image to the sum of the brightness of the initial pixel data of S different primary colors and the white initial pixel data of all pixels is less than the first threshold A (That is, the ratio I is less than 80%)
  • the replacement display may not be performed, that is, the display frame image is not modified.
  • a threshold value A indicates that when the display frame image is displayed, the number of white sub-pixels is lighted up, that is, the life of the white sub-pixel in the display frame image is considered
  • the degree of reduction is large, so in order to effectively increase the life of the white sub-pixel, at this time, the white sub-pixel in the display frame image may not be displayed, and the brightness displayed by the white sub-pixel is displayed through the other primary color sub-pixels in the display frame image. (Eg, red, green, and blue sub-pixels) for alternate display.
  • the display frame image to be revised may include a plurality of target pixels, and on this basis, in step S101, a part of pixels in the pixels of the display frame image to be revised may be determined as a plurality of target pixels; All the pixels of the frame image to be revised may be determined as a plurality of target pixels, which is not limited in this disclosure, and can be selected and set according to actual needs.
  • the determination of the display frame image to be revised in the present disclosure may be determined by comparing the magnitude of the ratio I to the first threshold value A as described above; however, the present disclosure is not limited to this, and may be directly Treat each display frame image as a display frame image to be revised; or set other determination rules, for example, an even display frame image is a display frame image to be revised, or an odd display frame image is a display frame image to be revised, or an even number
  • the display frame image and the odd display frame image are alternately used as the display frame image to be revised, which is not limited in this disclosure; of course, in the case where each display frame image is regarded as the display frame image to be revised, the display to be revised should be displayed Part of the pixel points of the frame image is determined as the target pixel point.
  • the following embodiments all take the comparison of the ratio I and the size of the first threshold A to determine the display frame image to be revised as an example, and further describe the embodiments of the present disclosure.
  • the white target pixel data in the target pixel point corresponds to 0 gray scale, that is, the white initial pixel data W1 passes the red equivalent pixel data R2, the green equivalent pixel data G2, and the blue equivalent pixel data B2.
  • the equivalent replacement is equivalent to extending the light emitting time of the red, green, and blue sub-pixels during display. Based on this, in order to avoid excessively extending the red, green, and blue sub-pixels, The light-emitting time of a pixel causes the life of the red sub-pixel, the green sub-pixel, and the blue sub-pixel to be greatly reduced. Therefore, in practice, some pixels in the pixels of the frame image to be revised can be determined as target pixels to balance The life of the red sub-pixel, the green sub-pixel, the blue sub-pixel, and the white sub-pixel effectively improves the life of the display device.
  • the positions of the target pixels of different to-be-revised display frame images are different, and the n consecutive to-be-revised display images are different.
  • the positions of all the target pixel points included in the display frame image correspond to the positions of all the pixel points of a display frame image.
  • the n consecutive to-be-revised display frame images may constitute a to-be-revised display frame group T, so that when n consecutive to-be-revised display frame images in one to-be-revised display frame group T are displayed, each of the display devices Each pixel point can correspond to the target pixel point once.
  • the white sub-pixels in the display device when n consecutive display frame images are displayed by the display device, the white sub-pixels in the display device light up about n times, and the technical solution in the present disclosure is adopted.
  • n consecutive to-be-revised display frame images in the above-mentioned to-be-revised display frame group T refer to: n consecutive to-be-revised display frame images in a plurality of to-be-revised display frame images having target pixels ,
  • the n consecutive display frame images to be revised may be n consecutive display frame images; or may be non-continuous n display frame images, that is, two adjacent ones of the n consecutive display frame images to be revised.
  • the display frame images to be revised may include display frame images without revision.
  • n 4 as an example, for 10 consecutive display frame images, if the first display frame image, the second display frame image, the third display frame image, and the fourth display frame image are the display frame images to be revised , The first display frame image, the second display frame image, the third display frame image, and the fourth display frame image are four consecutive display frame images to be revised, forming a display frame group T to be revised; If the first display frame image, the fourth display frame image, the sixth display frame image, and the ninth display frame image are display frame images to be revised, the first display frame image and the fourth display frame image The sixth display frame image and the ninth display frame image are four consecutive display frame images to be revised, forming a display frame group T to be revised.
  • the following two methods are provided to determine the group of display frames to be revised.
  • the target pixel points of different images of the display frames to be revised are different, and n consecutive to be revised
  • the positions of all the target pixels of the display frame image correspond to the positions of all the pixels of a display frame image.
  • the display device includes M rows ⁇ N columns of pixel units; schematically, referring to FIG. 3a, an enlarged view of pixel unit 01; one pixel unit 01 includes The red sub-pixel R, the green sub-pixel G, the blue sub-pixel B, and the white sub-pixel W are set in this order. Among them, the black sub-pixel frame in FIGS.
  • 3a to 4d represents that the white sub-pixel is not lit (that is, 0 grayscale, Dark state), and it should be understood that the pixel unit with the black sub-pixel frame corresponds to the target pixel point; of course, it should be understood that in the embodiments of the present disclosure, i, j, M, N, and n are all positive integers, k is a natural number.
  • determining a part of pixels in the pixels of the display frame image to be revised as a plurality of target pixels includes: determining the location of the i-th display frame image to be revised in the display frame group T to be revised. All the pixel points of the pixel points in the i + n * k column are determined as a plurality of target pixel points corresponding to the i-th display frame image to be revised, where: N is the total number of columns of pixels in the i-th display frame image to be revised.
  • each display frame group T to be revised includes four consecutive display frame images to be revised.
  • each display frame image to be revised may include multiple pixel column groups R, and each pixel column group R includes four columns of pixel points.
  • the white sub-pixels of all the pixels in the first column, the fifth column, the ninth column, the thirteenth column, and the seventeenth column of pixels are dark State
  • all pixel points in the first column of pixels in each pixel column group R are determined as target pixel points.
  • the target pixel point (refer to Figure 3d, the white sub-pixels of all the pixel points in the 4th column, the 8th column, the 12th column, the 16th column, and the 20th column are dark State), that is, all pixel points in the fourth column of pixels in each pixel column group R are determined as target pixel points.
  • determining a part of the pixels in the pixels of the display frame image to be revised as a plurality of target pixels includes: determining the location of the jth display frame image to be revised in the display frame group to be revised. All the pixels of the pixels in the j + 4 * k rows are determined as a plurality of target pixels corresponding to the j-th display frame image to be revised, where: M is the total number of rows of pixels in the j-th display frame image to be revised.
  • each display frame image to be revised may include a plurality of pixel row groups Y, and each pixel row group Y includes four rows of pixel points.
  • the first display frame image to be revised when the first display frame image to be revised is displayed, all the pixels in the first row, the fifth row, and the ninth row of pixels are determined as the target pixels (refer to FIG. 4a, the first The white sub-pixels of all the pixels in the first row of pixels, the fifth row of pixels, and the ninth row of pixels are dark), that is, all the pixels in the first row of pixels in each pixel row group Y are determined. Is the target pixel.
  • all the pixels in the second row, the sixth row, and the tenth row are determined as the target pixels (refer to FIG. 4b, the first The white sub-pixels of all the pixels in the 2nd row, the 6th row, and the 10th row are in the dark state), that is, all the pixels in the 2nd row of the pixel Y in each pixel row group Determined as the target pixel.
  • the image of the third display frame to be revised is displayed, all the pixels in the pixels in the 3rd row, the pixels in the 7th row, and the pixels in the 11th row are determined as the target pixels (refer to FIG. 4c, the (The white sub-pixels of all the pixels in the three rows, the seventh row, and the eleventh rows are in the dark state), that is, all the pixels in the third row of pixels in each pixel row group Y Determined as the target pixel.
  • all pixels in the fourth row, eighth row, and twelfth row of pixels are determined as the target pixels (refer to FIG.
  • the white sub-pixels of all the pixels in the 4th pixel, the 8th pixel and the 12th pixel are dark state), that is, all the pixels in the 4th pixel in each pixel row group Y Determined as the target pixel.
  • FIG. 5 is a flowchart of a display method of a display device provided by some embodiments of the present disclosure.
  • the display device includes a plurality of pixel units, and each pixel unit includes S primary color sub-pixels and one white sub-pixel, where S is a positive integer.
  • the display method includes:
  • Step 201 Obtain target pixel data of S different primary colors and a target pixel data of white color corresponding to target pixel points in a display frame image to be revised.
  • Step 202 Control a pixel unit corresponding to the target pixel point to display the target pixel data and white target pixel data of the S different primary colors of the target pixel point.
  • step S201 the target pixel data and white target pixel data of the S different primary colors may be obtained according to the pixel data processing method described in any one of the foregoing embodiments.
  • the S primary color sub-pixels are different, that is, the S primary color sub-pixels display different colors, respectively.
  • the S primary color sub-pixels include a red sub-pixel, a green sub-pixel, and a blue sub-pixel.
  • the S primary color sub-pixels correspond to the target pixel data of S different primary colors one-to-one
  • the white sub-pixels correspond to the white initial pixel data.
  • the target pixel data of the S different primary colors include red target pixel data, green target pixel data, and blue target pixel data.
  • Red subpixels correspond to red target pixel data
  • green subpixels correspond to green target pixel data
  • blue subpixels The pixels correspond to the blue target pixel data, that is, the red target pixel data is the target pixel data of the red sub-pixel, the green target pixel data is the target pixel data of the green sub-pixel, and the blue target pixel data is the blue sub-pixel.
  • the target pixel data is the red target pixel data is the target pixel data of the red sub-pixel
  • the green target pixel data is the target pixel data of the green sub-pixel
  • the blue target pixel data is the blue sub-pixel.
  • the display method includes:
  • Step S301 Acquire a plurality of target pixel data sets respectively corresponding to a plurality of target pixel points, wherein each target pixel data set in the plurality of target pixel data sets includes target pixel data of S different primary colors and a white target pixel.
  • Data, the target pixel data of the S different primary colors and the white target pixel data in each target pixel data group may be obtained according to the pixel data processing method described in any one of the above embodiments;
  • Step S302 In a case where all the pixels in the display frame image to be revised are multiple target pixels, control each pixel unit according to the target pixel data of S different primary colors of the target pixel corresponding to each pixel unit And a white target pixel data for display;
  • each pixel unit in the pixel units corresponding to the multiple target pixels is controlled according to corresponding S target pixel data of different primary colors.
  • Displaying with a white target pixel data obtaining a plurality of initial pixel data sets corresponding to pixels other than the plurality of target pixel points, wherein each of the plurality of initial pixel data sets includes initial pixel data of S different primary colors and
  • One piece of white initial pixel data controls each pixel unit of a plurality of pixel units corresponding to pixels other than a plurality of target pixel points to display according to corresponding S initial pixel data and white initial pixel data of different primary colors.
  • the display frame image to be revised may include multiple target pixels and multiple non-target pixels, and the multiple pixel units include a first group of pixel units and a second group of pixel units, and the first group of pixel units
  • the pixel units in the one-to-one correspondence with a plurality of target pixel points respectively that is, each pixel unit in the first group of pixel units includes a target pixel point; the pixel units in the second group of pixel units respectively correspond to a plurality of non-target pixel points.
  • the non-target pixel points represent pixels that are normally displayed according to the initial pixel data, that is, the S primary color sub-pixels and white sub-pixels in the non-target pixel point are displayed, for example, the second column in FIG. 3a Pixels, Pixels 3rd, Pixels 4th, Pixels 6th, Pixels 7th, Pixels 8th, Pixels 10th, Pixels 11th, Pixels 12th All the pixel points among the 14th column pixels, the 15th column pixels, the 16th column pixels, the 18th column pixels, the 19th column pixels, and the 20th column pixels are non-target pixel points.
  • step S302 includes: controlling each pixel unit in the first group of pixel units according to the S different primary colors of the corresponding target pixel. Displaying target pixel data and white target pixel data; obtaining multiple initial pixel data groups respectively corresponding to multiple non-target pixel points, where each of the multiple initial pixel data groups includes initial pixel data of S different primary colors And a white initial pixel data; each pixel unit in the second group of pixel units is controlled to display according to the initial pixel data of S different primary colors of corresponding non-target pixel points and one white initial pixel data.
  • the display method of the display device adopts the pixel data processing method provided by any of the foregoing embodiments to obtain target pixel data of S different primary colors and one white target pixel data of target pixel points in a display frame image to be revised.
  • the white target pixel data corresponds to 0 gray levels (that is, the sub-pixels corresponding to the white target pixel data are not lit), and only the S sub-pixels in the target pixel point are respectively used according to the targets of S different primary colors.
  • the pixel data can be displayed to achieve the display effect of the target pixel point.
  • the display effect and the S sub-pixels in the target pixel point are respectively displayed according to the initial pixel data of S different primary colors.
  • One white sub-pixel in the target pixel point is displayed according to one.
  • the display effect of the white initial pixel data is the same, thereby reducing the lighting time of the white sub-pixel corresponding to the white target pixel data, thereby solving the problem of reducing the life of the display device due to the excessively long lighting time of the white sub-pixel.
  • An embodiment of the present disclosure further provides a computer-readable storage medium for storing a computer program that, when executed by a computer, implements a method for processing pixel data as in any of the foregoing embodiments.
  • the computer-readable storage medium may be any storage medium that can be accessed by a computer or a data storage device such as a server, a data center, or the like that includes one or more storage mediums integrated.
  • the computer-readable storage medium may be a volatile memory and / or a non-volatile memory.
  • the volatile memory may include, for example, a random access memory (RAM) and / or a cache memory (cache).
  • the non-volatile memory may include, for example, a read-only memory (ROM), a hard disk, an erasable programmable read-only memory (EPROM), a portable compact disk read-only memory (CD-ROM), a USB memory, a flash memory, and the like.
  • One or more non-transitory computer-readable instructions may be stored on a computer-readable storage medium, and the computer may run the non-transitory computer-readable instructions to implement one or more steps in a method of processing pixel data.
  • An embodiment of the present disclosure further provides a pixel data processing device.
  • the pixel data processing device includes a memory and a processor.
  • the memory stores a computer program that can run on the processor, and the processor is configured to execute the computer program to implement the foregoing tasks.
  • a method for processing pixel data according to an embodiment.
  • the memory may include volatile memory and / or non-volatile memory.
  • the volatile memory may include, for example, random access memory (RAM) and / or high-speed random access memory (cache), etc.
  • the non-volatile memory may include, for example, read-only memory (ROM), hard disk, erasable and programmable memory.
  • ROM read-only memory
  • EPROM portable compact disc read-only memory
  • USB memory flash memory, or other volatile solid-state storage devices.
  • the processor may be a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), and a field programmable gate.
  • Array Field Programmable Gate Array, FPGA or other programmable logic devices, transistor logic devices, hardware components or any combination thereof.
  • the processor may implement or execute various exemplary logical blocks, modules, and circuits described in connection with the present disclosure.
  • the processor may also be a combination that implements computing functions, such as a combination including one or more microprocessors, a combination of a DSP and a microprocessor, and so on.
  • FIG. 6 is a schematic block diagram of a pixel data processing apparatus provided by some embodiments of the present disclosure.
  • the pixel data processing apparatus 600 includes:
  • a target pixel determination module 610 is configured to determine a target pixel point among pixels of a frame image to be revised.
  • the pixel data of each pixel point includes initial pixel data of S different primary colors and one initial pixel data of white, where S is Positive integer.
  • the conversion module 620 is configured to convert the white initial pixel data in the pixel data of the target pixel point into equivalent pixel data of S different primary colors.
  • the target pixel data acquisition module 630 is configured to obtain target pixel data according to the equivalent pixel data of the S different primary colors in the pixel data of the target pixel and the initial pixel data of the S different primary colors in the pixel data of the target pixel. S target pixel data of different primary colors and one white target pixel data, where the white target pixel data corresponds to 0 gray levels.
  • the target pixel determination module 610 may include an initial pixel data acquisition unit and a position determination unit.
  • the initial pixel data acquiring unit is configured to acquire initial pixel data of S different primary colors and one white initial pixel data of all pixel points in any display frame image.
  • the position determining unit is used to display the ratio of the sum of the brightness corresponding to the white initial pixel data of all pixels in the display frame image to the sum of the brightness of the initial pixel data of S different primary colors and the white initial pixel data of all pixels.
  • the display frame image is a display frame image to be revised, and a target pixel point among the pixels of the display frame image to be revised is determined.
  • the display frame image to be revised includes a plurality of target pixel points
  • the position determination unit may determine a part of the pixel points among the pixels of the display frame image to be revised as a plurality of target pixel points.
  • n consecutive display frames to be revised may constitute a group of display frames to be revised.
  • the target pixel points of different frames to be revised are different, and n consecutive frames to be revised
  • the positions of all the target pixels of the display frame image correspond to the positions of all the pixels of a display frame image.
  • the position determination unit may include a frame counter and a data processor.
  • the frame counter may count images of the display frames to be revised in the group of display frames to be revised; on this basis, the data processor may calculate the number of frames to be revised in the display frame group T according to the counting result X of the frame counter All pixels of the i-th to-be-revised display frame image located at the i + n * k column of pixels are determined as a plurality of target pixel points corresponding to the i-th to-be-revised display frame image, where: N is the total number of columns of pixels in the i-th display frame image to be revised.
  • the frame counter may count the display frame images to be revised in the group of frames to be revised, and based on this, the data processor may calculate the group of frames to be revised according to the counting result X of the frame counter. All pixel points of the j-th display frame image to be revised located in the j + 4 * k-th row of pixels are determined as a plurality of target pixel points corresponding to the j-th display frame image to be revised, where: M is the total number of rows of pixels in the j-th display frame image to be revised.
  • the target pixel data acquisition module 630 is configured to correspondingly superimpose the equivalent pixel data of the S different primary colors and the initial pixel data of the S different primary colors to obtain target pixel data of the S different primary colors and A white target pixel data.
  • An embodiment of the present disclosure further provides a display device.
  • the display device includes a plurality of pixel units, and each pixel unit includes S primary color sub-pixels and a white sub-pixel.
  • the display device further includes any one of the pixels provided in the foregoing embodiments.
  • Data processing device includes a display device.
  • each sub-pixel is provided with a pixel driving circuit.
  • the pixel driving circuit may include a data writing transistor T1, a driving transistor T2, a storage capacitor Cst, and an induction transistor T3.
  • One pole is electrically connected to the data line D
  • the second pole of the data writing transistor T1 is electrically connected to the gate of the driving transistor T2 and the first end of the storage capacitor Cst
  • the gate of the data writing transistor T1 is electrically connected to the gate line G1
  • the first pole of the driving transistor T2 is electrically connected to the first power terminal ELVDD
  • the second pole of the driving transistor T2 is electrically connected to the first pole of the light-emitting element OLED
  • the second terminal of the storage capacitor Cst is connected to the second pole of the driving transistor T2.
  • the second pole of the light-emitting element OLED is electrically connected to the second power terminal ELVSS
  • the first pole of the induction transistor T3 is electrically connected to the second pole of the driving transistor T2
  • the second pole of the induction transistor T3 is electrically connected to the induction signal line Comp.
  • the gate of the induction transistor T3 is electrically connected to the induction control line G2.
  • the sensing transistor T3 is configured to transmit a current to the sensing signal line Comp to charge the sensing signal line Comp;
  • the driving transistor T2 is configured to drive the light-emitting element OLED to emit light;
  • the data writing transistor T1 is configured to turn a pixel when it is on Data is written to the gate of the corresponding driving transistor T2;
  • the storage capacitor Cst is configured to store pixel data and hold it at the gate of the driving transistor T2.
  • the data writing transistor T1, the driving transistor T2, and the sensing transistor T3 may each be a thin film transistor, a field effect transistor, or other switching devices with the same characteristics.
  • the thin film transistor may include a polysilicon (low temperature polysilicon or high temperature polysilicon) thin film transistor, an amorphous silicon thin film transistor, an oxide thin film transistor, an organic thin film transistor, or the like.
  • the target pixel data obtained after processing by the pixel data processing device may be transmitted through the data line D (the (In the case) is input to the gate of the driving transistor T2 to drive the light-emitting element OLED to emit light, thereby realizing display.
  • FIG. 5 merely provides a pixel driving circuit, but the specific structure of the pixel driving circuit is not limited in this disclosure, and an appropriate pixel driving circuit may be selected according to actual needs.
  • the pixel driving circuit shown in FIG. 5 uses the 3T1C structure as an example for description, but the pixel driving circuit of the embodiment of the present disclosure is not limited to the 3T1C structure.
  • the pixel driving circuit may further include a transfer transistor, a detection transistor, a reset transistor, and the like as required.
  • the display device may include at least an organic light emitting diode display panel, but is not limited thereto.
  • the display device may be a quantum dot light emitting display panel.
  • the display panel can be applied to any product or component with a display function, such as a display, a television, a digital photo frame, a mobile phone or a tablet.

Abstract

一种像素数据的处理方法及处理装置、显示装置及显示方法、计算机可读存储介质,该像素数据的处理方法包括:(S101)确定一待修订显示帧图像的像素点中的目标像素点,每个像素点的像素数据包括S个不同基色的初始像素数据和一个白色初始像素数据,其中,S为正整数;(S102)将目标像素点的像素数据中的白色初始像素数据换算为S个不同基色的等效像素数据;(S103)根据目标像素点的像素数据中的S个不同基色的等效像素数据与目标像素点的像素数据中的S个不同基色的初始像素数据,获取目标像素点的S个不同基色的目标像素数据和一个白色目标像素数据,其中,白色目标像素数据对应0灰阶。

Description

像素数据的处理方法及处理装置、显示装置及显示方法、计算机可读存储介质
本申请要求于2018年05月30日递交的中国专利申请第201810545728.0号的优先权,在此全文引用上述中国专利申请公开的内容以作为本申请的一部分。
技术领域
本公开的实施例涉及一种像素数据的处理方法及处理装置、显示装置及显示方法、计算机可读存储介质。
背景技术
有机发光二极管(Organic Light Emitting Diode,简称OLED)显示装置因其具有自发光、轻薄、功耗低、高对比度、高色域、可实现柔性显示等优点,已被广泛地应用于包括电脑、手机等电子产品在内的各种电子设备中。
RGBW(红、绿、蓝、白)四色技术能够让OLED显示装置的透光率提升,亮度增加,在画面上给用户更加晶莹剔透的感觉,从而RGBW四色技术被广泛地应用至OLED显示装置中。在OLED显示装置中,白色子像素W的点亮时间相对于红色子像素R、绿色子像素G、蓝色子像素B的点亮时间长很多,从而导致了白色子像素W的老化速度加快,进而造成显示装置的寿命缩短。
发明内容
本公开一些实施例提供一种像素数据的处理方法,所述处理方法包括:确定一待修订显示帧图像的像素点中的目标像素点,每个所述像素点的像素数据包括S个不同基色的初始像素数据和一个白色初始像素数据,其中S为正整数;将所述目标像素点的像素数据中的白色初始像素数据换算为S个不同基色的等效像素数据;根据所述目标像素点的像素数据中的S个不同基色的等效像素数据与所述目标像素点的像素数据中的S个不同基色的初始像素数据,获取所述目标像素点的S个不同基色的目标像素数据和一个白色目标像素数据,其中,所述白色目标像素数据对应0灰阶。
例如,在本公开一些实施例提供的处理方法中,所述确定一待修订显示帧图像的像素点中的目标像素点包括:获取任一显示帧图像中所有像素点的S个 不同基色的初始像素数据和一个白色初始像素数据;在所述显示帧图像中所有像素点的白色初始像素数据对应的亮度之和与所有像素点的S个不同基色的初始像素数据和白色初始像素数据对应的亮度之和的比值大于或等于第一阈值的情况下,则确定所述显示帧图像为所述待修订显示帧图像,并确定所述待修订显示帧图像的像素点中的目标像素点。
例如,在本公开一些实施例提供的处理方法中,所述第一阈值大于或等于70%。
例如,在本公开一些实施例提供的处理方法中,所述待修订显示帧图像包括多个目标像素点,所述确定一待修订显示帧图像的像素点中的目标像素点包括:将所述待修订显示帧图像的像素点中的部分像素点确定为所述多个目标像素点。
例如,在本公开一些实施例提供的处理方法中,n个连续的待修订显示帧图像构成一待修订显示帧组,n为正整数;在所述待修订显示帧组中,不同的待修订显示帧图像的目标像素点的位置不同。
例如,在本公开一些实施例提供的处理方法中,所述n个连续的待修订显示帧图像的所有目标像素点的位置与一显示帧图像的所有像素点的位置一一对应。
例如,在本公开一些实施例提供的处理方法中,所述将所述待修订显示帧图像的像素点中的部分像素点确定为所述多个目标像素点包括:将所述待修订显示帧组中的第i个待修订显示帧图像的位于第i+n*k列像素点的所有像素点确定为所述第i个待修订显示帧图像对应的多个目标像素点,
其中,
Figure PCTCN2019075241-appb-000001
N为所述第i个待修订显示帧图像中像素点的总列数。
例如,在本公开一些实施例提供的处理方法中,所述将所述待修订显示帧图像的像素点中的部分像素点确定为所述多个目标像素点包括:将所述待修订显示帧组中的第j个待修订显示帧图像的位于第j+n*k行像素点的所有像素点确定为所述第j个待修订显示帧图像对应的多个目标像素点,
其中,
Figure PCTCN2019075241-appb-000002
M为所述第j个待修订显示帧图像中像素点的总行数。
例如,在本公开一些实施例提供的处理方法中,根据所述目标像素点的像 素数据中的S个不同基色的等效像素数据与所述目标像素点的像素数据中的S个不同基色的初始像素数据,获取所述目标像素点的S个不同基色的目标像素数据和一个白色目标像素数据包括:将所述S个不同基色的等效像素数据与所述S个不同基色的初始像素数据分别对应叠加,以获取所述S个不同基色的目标像素数据和所述白色目标像素数据。
本公开一些实施例还提供一种显示装置的显示方法,所述显示装置包括多个像素单元,所述显示方法包括:获取待修订显示帧图像中的目标像素点对应的S个不同基色的目标像素数据和一个白色目标像素数据,其中,所述S个不同基色的目标像素数据和所述白色目标像素数据根据上述任一项所述的像素数据的处理方法得到;控制所述目标像素点对应的像素单元按照所述S个不同基色的目标像素数据和所述白色目标像素数据进行显示。
本公开一些实施例还提供一种显示装置的显示方法,所述显示装置包括多个像素单元,所述显示方法包括:获取分别与多个目标像素点对应的多个目标像素数据组,其中,所述多个目标像素数据组中的每个目标像素数据组包括S个不同基色的目标像素数据和一个白色目标像素数据,所述每个目标像素数据组中的所述S个不同基色的目标像素数据和所述白色目标像素数据根据上述任一项所述的像素数据的处理方法得到;
在所述待修订显示帧图像中所有的像素点均为所述多个目标像素点的情况下,控制每个像素单元按照与所述每个像素单元对应的目标像素点的S个不同基色的目标像素数据和一个白色目标像素数据进行显示,
或者,在所述待修订显示帧图像中部分像素点为所述多个目标像素点的情况下,控制与所述多个目标像素点对应的多个像素单元中的每个像素单元按照对应的S个不同基色的目标像素数据和一个白色目标像素数据进行显示,获取所述多个目标像素点以外的像素点对应的多个初始像素数据组,其中,所述多个初始像素数据组中的每个包括S个不同基色的初始像素数据和一个白色初始像素数据,控制与所述多个目标像素点以外的像素点对应的多个像素单元中的每个像素单元按照对应的S个不同基色的初始像素数据和白色初始像素数据进行显示。
例如,在本公开一些实施例提供的显示方法中,每个所述像素单元包括S个基色子像素和一个白色子像素,所述S个基色子像素与所述S个不同基色的目标像素数据一一对应,所述白色子像素与所述白色初始像素数据对应。
本公开一些实施例还提供一种像素数据处理装置,包括存储器、处理器;所述存储器上存储有计算机程序,所述处理器用于执行所述计算机程序,以实现如上述任一项所述的处理方法。
本公开一些实施例还提供一种计算机可读介质,其存储有计算机程序,所述计算机程序被计算机执行时实现如上述任一项所述的处理方法。
本公开一些实施例还提供一种像素数据处理装置,包括:目标像素确定模块,用于确定一待修订显示帧图像的像素点中的目标像素点,每个所述像素点的像素数据包括S个不同基色的初始像素数据和一个白色初始像素数据,其中,S为正整数;换算模块,用于将所述目标像素点的像素数据中的白色初始像素数据换算为S个不同基色的等效像素数据;目标像素数据获取模块,用于根据所述目标像素点的像素数据中的S个不同基色的等效像素数据与所述目标像素点的像素数据中的S个不同基色的初始像素数据,获取所述目标像素点的S个不同基色的目标像素数据和一个白色目标像素数据,其中,所述白色目标像素数据对应0灰阶。
本公开一些实施例还提供一种显示装置,所述显示装置包括多个像素单元和上述任一项所述的像素数据处理装置。
本公开实施例提供一种像素数据的处理方法及处理装置、显示装置及显示方法、计算机可读存储介质,该像素数据的处理方法包括:确定一待修订显示帧图像的像素点中的目标像素点,每个像素点的像素数据包括S个不同基色的初始像素数据和一个白色初始像素数据,其中,S为正整数;将目标像素点的像素数据中的白色初始像素数据换算为S个不同基色的等效像素数据;根据目标像素点的像素数据中的S个不同基色的等效像素数据与目标像素点的像素数据中的S个不同基色的初始像素数据,获取目标像素点的S个不同基色的目标像素数据和一个白色目标像素数据,其中,白色目标像素数据对应0灰阶。
附图说明
为了更清楚地说明本公开实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本公开的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1为本公开一些实施例提供的一种像素数据的处理方法的流程图;
图2为图1所示的像素数据的处理方法中步骤S101的流程图;
图3a为本公开一些实施例提供的一种待修订显示帧图像对应的子像素的点亮示意图;
图3b为本公开一些实施例提供的另一种待修订显示帧图像对应的子像素的点亮示意图;
图3c为本公开一些实施例提供的又一种待修订显示帧图像对应的子像素的点亮示意图;
图3d为本公开一些实施例提供的再一种待修订显示帧图像对应的子像素的点亮示意图;
图4a为本公开又一些实施例提供的一种待修订显示帧图像对应的子像素的点亮示意图;
图4b为本公开又一些实施例提供的另一种待修订显示帧图像对应的子像素的点亮示意图;
图4c为本公开又一些实施例提供的又一种待修订显示帧图像对应的子像素的点亮示意图;
图4d为本公开又一些实施例提供的再一种待修订显示帧图像对应的子像素的点亮示意图;
图5为本公开一些实施例提供的一种显示装置的显示方法的流程图;
图6为本公开一些实施例提供的一种像素数据处理装置的示意性框图;以及
图7为本公开一些实施例提供的一种像素驱动电路的示意图。
具体实施方式
为了使得本公开实施例的目的、技术方案和优点更加清楚,下面将结合本公开实施例的附图,对本公开实施例的技术方案进行清楚、完整地描述。显然,所描述的实施例是本公开的一部分实施例,而不是全部的实施例。基于所描述的本公开的实施例,本领域普通技术人员在无需创造性劳动的前提下所获得的所有其他实施例,都属于本公开保护的范围。
除非另外定义,本公开实施例中使用的技术术语或者科学术语应当为本公开所属领域内具有一般技能的人士所理解的通常意义。本公开实施例中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性,而只 是用来区分不同的组成部分。“包括”或者“包含”等类似的词语意指出现该词前面的元件或者物件涵盖出现在该词后面列举的元件或者物件及其等同,而不排除其他元件或者物件。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接,而是可以包括电性的连接,不管是直接的还是间接的。“上”、“下”、“左”、“右”等仅用于表示相对位置关系,当被描述对象的绝对位置改变后,则该相对位置关系也可能相应地改变。
本公开实施例提供一种像素数据的处理方法,如图1所示,该像素数据的理方法包括:
步骤S101、确定一待修订显示帧图像的像素点中的目标像素点,每个像素点的像素数据包括S个不同基色的初始像素数据和一个白色初始像素数据,其中,S为正整数。
例如,在步骤S101中,可以根据预设规则确定目标像素点,预设规则例如可以为选定待修订显示帧图像中的固定位置的像素点作为目标像素点,或者,也可以为选择待修订显示帧图像中显示白色对应的像素点作为目标像素点。预设规则可以根据实际需要确定,本公开的实施例对此不作限定。
例如,S个不同基色的初始像素数据对应S个不同基色。
此处需要说明的是,本公开中对于上述S个不同基色的具体颜色不作限定,S个不同基色可以分别是红色、绿色、蓝色三种基原色,也可以是红色、绿色、蓝色三种基原色的补色,即青色、品红、黄色三种颜色,当然还可以是其他用于显示的颜色,本公开对此不作限定,只要该S个不同基色能够实现不同色彩的画面显示即可;以下实施例均是以S个不同基色为红色、绿色、蓝色三种基原色为例对本公开做进一步的说明,也即在本公开中,S个不同基色的初始像素数据包括红色初始像素数据R1、绿色初始像素数据G1和蓝色初始像素数据B1,红色初始像素数据R1与红色对应,绿色初始像素数据G1与绿色对应,蓝色初始像素数据B1与蓝色对应。每个像素点的像素数据包括红色初始像素数据R1、绿色初始像素数据G1、蓝色初始像素数据B1和白色初始像素数据W1,白色初始像素数据W1与白色对应。
步骤S102、将目标像素点的像素数据中的白色初始像素数据换算为S个不同基色的等效像素数据。
例如,S个不同基色的等效像素数据包括红色等效像素数据R2、绿色等效像素数据G2和蓝色等效像素数据B2。
例如,在步骤S102中,可以是将白色初始像素数据W1换算为红色等效像素数据R2、绿色等效像素数据G2、蓝色等效像素数据B2。
具体的,应当理解到,特定亮度的白色可以等效为特定比例的红色、蓝色和绿色;也即通过将目标像素点中的白色初始像素数据W1换算为红色等效像素数据R2、绿色等效像素数据G2、蓝色等效像素数据B2,从而能够通过红色等效像素数据R2、绿色等效像素数据G2、蓝色等效像素数据B2进行显示时,达到与白色初始像素数据W1显示时相同亮度的白色效果(也即L W1=L R2+L G2+L B2,其中,L W1表示一个子像素根据白色初始像素数据W1显示时的亮度,L R2表示一个子像素根据红色等效像素数据R2显示时的亮度,L G2表示一个子像素根据绿色等效像素数据G2显示时的亮度,L B2表示一个子像素根据蓝色等效像素数据B2显示时的亮度)。
步骤S103、根据目标像素点的像素数据中的S个不同基色的等效像素数据与目标像素点的像素数据中的S个不同基色的初始像素数据,获取目标像素点的S个不同基色的目标像素数据和一个白色目标像素数据,其中,白色目标像素数据对应0灰阶。
例如,S个不同基色的目标像素数据包括红色目标像素数据、绿色目标像素数据和蓝色目标像素数据。
例如,在一些示例中,步骤S103可以包括:将S个不同基色的等效像素数据与S个不同基色的初始像素数据分别对应叠加,以获取S个不同基色的目标像素数据和一个白色目标像素数据。
此处需要说明的是,上述将目标像素点对应的S个不同基色的等效像素数据与目标像素点对应的S个不同基色的初始像素数据分别对应叠加是指,将对应颜色相同的等效像素数据与初始像素数据分别进行叠加,例如,红色等效像素数据与红色初始像素数据进行叠加以得到红色目标像素数据,绿色等效像素数据与绿色初始像素数据进行叠加以得到绿色目标像素数据,蓝色等效像素数据与蓝色初始像素数据进行叠加以得到蓝色目标像素数据;当然,此处的“叠加”可以是直接相加,也可以是加权相加等等,本公开对此不作具体限定,实际中可以根据需要选择相应的叠加方式即可。
例如,可以将红色初始像素数据R1与红色等效像素数据R2进行叠加以得到红色目标像素数据R',即,R'=R1+R2或R'=α1*R1+α2*R2,其中,α1为红色初始像素数据R1的加权系数,α2为红色等效像素数据R2的加权系数; 将绿色初始像素数据G1与绿色等效像素数据G2进行叠加以得到绿色目标像素数据G',即,G'=G1+G2或G'=β1*G1+β2*G2,其中,β1为绿色初始像素数据G1的加权系数,β2为绿色等效像素数据G2的加权系数;将蓝色初始像素数据B1与蓝色等效像素数据B2进行叠加以得到蓝色目标像素数据B',即,B'=B1+B2或B'=γ1*B1+γ2*B2,其中,γ1为蓝色初始像素数据B1的加权系数,γ2为蓝色等效像素数据B2的加权系数;由于与白色初始像素数据W1通过红色等效像素数据R2、绿色等效像素数据G2、蓝色等效像素数据B2进行等效替换,在此情况下,白色目标像素数据对应0灰阶,也即在进行显示时,目标像素点中的白色目标像素数据对应的子像素为暗态(即不点亮)。
综上所述,本公开中通过将目标像素点对应的白色初始像素数据换算为S个不同基色的等效像素数据,并将S个不同基色的等效像素数据与该目标像素点对应的S个不同基色的初始像素数据分别对应叠加,以获取该目标像素点的S个不同基色的目标像素数据和一个白色目标像素数据,其中,该白色目标像素数据对应0灰阶;也即当该目标像素点在进行显示时,与白色目标像素数据对应的子像素为暗态(不点亮);而与S个不同基色的目标像素数据分别对应的S个子像素在显示S个不同基色的初始像素数据对应的初始亮度的同时,还通过共同作用等效的显示出白色初始像素数对应的亮度;这样一来,在白色目标像素数据对应0灰阶(也即白色目标像素数据对应的子像素不被点亮)的情况下,仅通过目标像素点中的S个子像素分别根据S个不同基色的目标像素数据进行显示即可实现目标像素点的显示效果,该显示效果与目标像素点中的S个子像素分别根据对应的S个不同基色的初始像素数据进行显示和目标像素点中的一个白色子像素根据一个白色初始像素数据进行显示的显示效果相同,从而减少了白色目标像素数据对应的白色子像素的点亮时间,进而解决了因白色子像素的点亮时间过长导致的显示装置寿命降低的问题。
在此基础上,以下对上述步骤S101中,确定一待修订显示帧图像的像素点中的目标像素点做进一步的解释说明。
例如,参考图2,上述步骤S101可以包括:
步骤S1011、获取任一显示帧图像中所有像素点的S个不同基色的初始像素数据和一个白色初始像素数据。
步骤S1012、在该显示帧图像中所有像素点的白色初始像素数据对应的亮度之和所有像素点的S个不同基色的初始像素数据和白色初始像素数据对应的 亮度之和的比值I大于或等于第一阈值A的情况下,则确定该显示帧图像为待修订显示帧图像,确定待修订显示帧图像的像素点中的目标像素点。
例如,在步骤S1012中,一显示帧图像中所有像素点的白色初始像素数据对应的亮度之和表示为L W1(总),所有像素点的S个不同基色的初始像素数据和白色初始像素数据对应的亮度之和表示为L W1(总)+L R1(总)+L G1(总)+L B1(总),例如,L R1(总)表示所有像素点的红色初始像素数据对应的亮度之和,L G1(总)表示所有像素点的绿色初始像素数据对应的亮度之和,L B1(总)表示所有像素点的蓝色初始像素数据对应的亮度之和。
例如,亮度的比值I表示为:
Figure PCTCN2019075241-appb-000003
例如,在步骤S1012中,将比值I与第一阈值A进行比较,如果I大于或等于A时,则确定该显示帧图像为待修订显示帧图像,并确定待修订显示帧图像的像素点中的目标像素点;当然,如果I小于A时,则该显示帧图像不作任何修订(也即不进行上述的像素数据处理),按照该显示帧图像中的所有像素点对应的初始像素数据(即S个不同基色的初始像素数据和白色初始像素数据)进行显示即可。
此处需要说明的是,上述比值I大于或等于第一阈值A,可以是指I>A,也可以是I≥A。
例如,第一阈值A可以大于或等于70%,例如,可以是A≥70%,也可以是A>70%。需要说明的是,本公开的实施例对第一阈值A的具体值不作限制,第一阈值A例如还可以大于等于65%。
例如,为了有效的提高白色子像素的寿命,第一阈值A大于或等于70%,例如可以取A=80%。当一显示帧图像中所有像素点的白色初始像素数据对应的亮度之和与所有像素点的S个不同基色的初始像素数据和白色初始像素数据对应的亮度之和的比值I小于第一阈值A(即比值I小于80%)时,表明该显示帧图像在进行显示时,白色子像素被点亮的数量较少,也即认为在该显示帧图像对白色子像素的寿命降低的程度很小,此时,可以不进行替换显示,即显示帧图像不作任何修订。而当一显示帧图像中所有像素点的白色初始像素数据对应的亮度之和与所有像素点的S个不同基色的初始像素数据和白色初始像素数据对应的亮度之和的比值I大于或等于第一阈值A(即比值I大于或等于 80%)时,表明该显示帧图像在进行显示时,白色子像素被点亮的数量较多,也即认为在该显示帧图像对白色子像素的寿命降低的程度较大,因此为了有效的提高白色子像素的寿命,此时,可以将显示帧图像中的白色子像素可以不显示,白色子像素显示的亮度通过显示帧图像中的其他基色子像素(例如,红色子像素、绿色子像素和蓝色子像素)进行替代显示。
例如,待修订显示帧图像可以包括多个目标像素点,在此基础上,在步骤S101中,可以是将待修订显示帧图像的像素点中的部分像素点确定为多个目标像素点;也可以是将待修订显示帧图像的所有像素点确定为多个目标像素点,本公开对此不作限定,实际中可以根据需要进行选择设置。
综上,应当理解到,对于本公开中待修订显示帧图像的确定,可以如前述通过比较比值I与第一阈值A的大小进行确定;但本公开并不限制于此,实际中也可以直接将每一显示帧图像均视为待修订显示帧图像;或者设置其他的确定规则,例如,偶数显示帧图像为待修订显示帧图像,或者奇数显示帧图像为待修订显示帧图像,又或者偶数显示帧图像与奇数显示帧图像交替作为待修订显示帧图像,本公开对此不作限定;当然,在将每一显示帧图像视为待修订显示帧图像的情况下,则应当是将待修订显示帧图像的像素点中的部分像素点确定为目标像素点。
以下实施例均是以通过比较比值I与第一阈值A的大小来确定待修订显示帧图像为例,对本公开的实施例作进一步的说明。
在此基础上,考虑到,目标像素点中的白色目标像素数据对应0灰阶,即将白色初始像素数据W1通过红色等效像素数据R2、绿色等效像素数据G2、蓝色等效像素数据B2进行等效替换,相当于在进行显示时,延长了红色子像素、绿色子像素和蓝色子像素的发光时长,基于此,为了避免过多的延长红色子像素、绿色子像素和蓝色子像素的发光时长,导致红色子像素、绿色子像素和蓝色子像素的寿命大幅降低,因此实际中,可以将待修订显示帧图像的像素点中的部分像素点确定为目标像素点,以平衡红色子像素、绿色子像素、蓝色子像素、白色子像素的寿命,从而有效的提高显示装置的寿命。
例如,为了能够保证各子像素寿命的均匀性,可以将n个连续的待修订显示帧图像中,设置不同的待修订显示帧图像的目标像素点的位置不同,且该n个连续的待修订显示帧图像包含的所有目标像素点的位置与一显示帧图像的所有像素点的位置一一对应。
例如,该n个连续的待修订显示帧图像可以构成一个待修订显示帧组T,从而在一个待修订显示帧组T中的n个连续的待修订显示帧图像进行显示时,显示装置中每个像素点能够分别对应1次作为目标像素点。
在此情况下,应当理解到,现有的显示方式,针对n个连续的显示帧图像通过显示装置进行显示时,显示装置中白色子像素点亮约n次,而采用本公开中的技术方案,n个连续的待修订显示帧图像通过显示装置进行显示时,每个像素点中的白色子像素点亮约n-1次,相当于每个像素点中的白色子像素的寿命延长1/n;例如,n=4时,即每个像素点中的白色子像素延长约25%的寿命。
此处需要说明的是,上述一个待修订显示帧组T中n个连续的待修订显示帧图像是指:具有目标像素点的多个待修订显示帧图像中n个连续的待修订显示帧图像,该n个连续的待修订显示帧图像可能是n个连续的显示帧图像;也可以是非连续的n个显示帧图像,也就是说,n个连续的待修订显示帧图像中的相邻两个待修订显示帧图像之间可以包括不进行修订的显示帧图像。
以n=4为例,对于连续的10个显示帧图像,如果第一个显示帧图像、第二个显示帧图像、第三个显示帧图像和第四个显示帧图像为待修订显示帧图像,则该第一个显示帧图像、第二个显示帧图像、第三个显示帧图像和第四个显示帧图像为4个连续的待修订显示帧图像,构成一个待修订显示帧组T;如果第一个显示帧图像、第四个显示帧图像、第六个显示帧图像和第九个显示帧图像为待修订显示帧图像,则该第一个显示帧图像、第四个显示帧图像、第六个显示帧图像和第九个显示帧图像为4个连续的待修订显示帧图像,构成一个待修订显示帧组T。
在此基础上,以下提供两种确定待修订显示帧组的方式,且在该待修订显示帧组中,不同的待修订显示帧图像的目标像素点的位置不同,且n个连续的待修订显示帧图像的所有目标像素点的位置与一显示帧图像的所有像素点的位置一一对应。
以n=4为例,参考图3a至图4d中示出的,显示装置中包括M行×N列像素单元;示意的,参考图3a的关于像素单元01的放大图;一像素单元01包括依次设置的红色子像素R、绿色子像素G、蓝色子像素B、白色子像素W;其中,图3a至图4d中黑色的子像素框代表白色子像素未点亮(即0灰阶、暗态),同时应当理解到,具有黑色的子像素框的像素单元与目标像素点对应;当然,应当理解到,本公开的实施例中i、j、M、N、n均为正整数,k为自然 数。
例如,在一些实施例中,将待修订显示帧图像的像素点中的部分像素点确定为多个目标像素点包括:将待修订显示帧组T中的第i个待修订显示帧图像的位于第i+n*k列像素点的所有像素点确定为第i个待修订显示帧图像对应的多个目标像素点,其中,
Figure PCTCN2019075241-appb-000004
N为第i个待修订显示帧图像中像素点的总列数。
需要说明是,
Figure PCTCN2019075241-appb-000005
表示向上取整,即当(N-n/n)为小数时,取比该小数大的最小整数。
例如,以N=20,n=4为例,即,此时显示装置中具有80列像素点,每个待修订显示帧组T包括4个连续的待修订显示帧图像,参考图3a、图3b、图3c、图3d,将待修订显示帧组T的4个连续的待修订显示帧图像中,第i个待修订显示帧图像中的位于第i+4*k列像素点的所有像素点确定为目标像素点,其中,k={0,1,2,3,4}。
例如,如图3a-3d所示,每个待修订显示帧图像可以包括多个像素列组R,每个像素列组R包括四列像素点。
例如,在第1个待修订显示帧图像进行显示时,将第1列像素点、第5列像素点、第9列像素点、第13列像素点和第17列像素点中的所有像素点确定为目标像素点(参考图3a中,第1列像素点、第5列像素点、第9列像素点、第13列像素点和第17列像素点中所有像素点的白色子像素为暗态),也即将每个像素列组R中的第1列像素点中的所有像素点确定为目标像素点。
例如,在第2个待修订显示帧图像进行显示时,将第2列像素点、第6列像素点、第10列像素点、第14列像素点和第18列像素点中的所有像素点确定为目标像素点(参考图3b中,第2列像素点、第6列像素点、第10列像素点、第14列像素点和第18列像素点中所有像素点的白色子像素为暗态),也即将每个像素列组R中的第2列像素点中的所有像素点确定为目标像素点。
例如,在第3个待修订显示帧图像进行显示时,将第3列像素点、第7列像素点、第11列像素点、第15列像素点和第19列像素点中的所有像素点确定为目标像素点(参考图3c中,第3列像素点、第7列像素点、第11列像素点、第15列像素点和第19列像素点中所有像素点的白色子像素为暗态),也即将每个像素列组R中的第3列像素点中的所有像素点确定为目标像素点。
例如,在第4个待修订显示帧图像进行显示时,将第4列像素点、第8列 像素点、第12列像素点、第16列像素点和第20列像素点中的所有像素点确定为目标像素点(参考图3d中,第4列像素点、第8列像素点、第12列像素点、第16列像素点和第20列像素点中所有像素点的白色子像素为暗态),也即将每个像素列组R中的第4列像素点中的所有像素点确定为目标像素点。
例如,在另一些实施例中,将待修订显示帧图像的像素点中的部分像素点确定为多个目标像素点包括:将待修订显示帧组中的第j个待修订显示帧图像的位于第j+4*k行像素点的所有像素点确定为第j个待修订显示帧图像对应的多个目标像素点,其中,
Figure PCTCN2019075241-appb-000006
M为第j个待修订显示帧图像中像素点的总行数。
例如,M=12,n=4为例,即,此时显示装置中具有12行像素点,每个待修订显示帧组T包括4个连续的待修订显示帧图像,参考图4a、图4b、图4c、图4d,将待修订显示帧组T的4个连续的待修订显示帧图像中,第j个待修订显示帧图像中的位于第j+4*k行像素点的所有像素点确定为目标像素点,其中,k={0,1,2}。
例如,如图4a-4d所示,每个待修订显示帧图像可以包括多个像素行组Y,每个像素行组Y包括四行像素点。
例如,在第1个待修订显示帧图像进行显示时,将第1行像素点、第5行像素点和第9行像素点中的所有像素点确定为目标像素点(参考图4a中,第1行像素点、第5行像素点和第9行像素点中所有像素点的白色子像素为暗态),也即将每个像素行组Y中的第1行像素点中的所有像素点确定为目标像素点。
例如,在第2个待修订显示帧图像进行显示时,将第2行像素点、第6行像素点和第10行像素点中的所有像素点确定为目标像素点(参考图4b中,第2行像素点、第6行像素点和第10行像素点中的所有像素点的白色子像素为暗态),也即将每个像素行组Y中的第2行像素点中的所有像素点确定为目标像素点。
例如,在第3个待修订显示帧图像进行显示时,将第3行像素点、第7行像素点和第11行像素点中的所有像素点确定为目标像素点(参考图4c中,第3行像素点、第7行像素点和第11行像素点中的所有像素点的白色子像素为暗态),也即将每个像素行组Y中的第3行像素点中的所有像素点确定为目标像素点。
例如,在第4个待修订显示帧图像进行显示时,将第4行像素点、第8行 像素点和第12行像素点中的所有像素点确定为目标像素点(参考图4d中,第4行像素点、第8行像素点和第12行像素点中的所有像素点的白色子像素为暗态),也即将每个像素行组Y中的第4行像素点中的所有像素点确定为目标像素点。
当然,上述仅是示意地按照将每一待修订显示帧组T中逐行的像素点或者逐列的像素点确定为目标像素点,本公开并不限制于此,也可以调整其先后次序。
本公开实施例还提供一种显示装置的显示方法,图5为本公开一些实施例提供的一种显示装置的显示方法的流程图。
例如,该显示装置包括多个像素单元,每个像素单元包括S个基色子像素和一个白色子像素,S为正整数。
例如,如图5所示,该显示方法包括:
步骤201、获取待修订显示帧图像中的目标像素点对应的S个不同基色的目标像素数据和一个白色目标像素数据。
步骤202、控制与目标像素点对应的像素单元按照目标像素点的S个不同基色的目标像素数据和白色目标像素数据进行显示。
例如,在步骤S201中,S个不同基色的目标像素数据和白色目标像素数据可以根据上述任一实施例所述的像素数据的处理方法得到。
例如,在一些实施例中,S个基色子像素各不相同,即S个基色子像素分别显示不同的颜色。例如,S个基色子像素包括红色子像素、绿色子像素和蓝色子像素。
例如,S个基色子像素与S个不同基色的目标像素数据一一对应,白色子像素与白色初始像素数据对应。例如,S个不同基色的目标像素数据包括红色目标像素数据、绿色目标像素数据和蓝色目标像素数据,红色子像素与红色目标像素数据对应,绿色子像素与绿色目标像素数据对应,蓝色子像素与蓝色目标像素数据对应,也就是说,红色目标像素数据为红色子像素的目标像素数据,绿色目标像素数据为绿色子像素的目标像素数据,蓝色目标像素数据为蓝色子像素的目标像素数据。
例如,在一些实施例中,显示方法包括:
步骤S301、获取分别与多个目标像素点对应的多个目标像素数据组,其中,多个目标像素数据组中的每个目标像素数据组包括S个不同基色的目标像素数 据和一个白色目标像素数据,每个目标像素数据组中的S个不同基色的目标像素数据和白色目标像素数据可以根据上述任一实施例所述的像素数据的处理方法得到;
步骤S302、在待修订显示帧图像中所有的像素点均为多个目标像素点的情况下,控制每个像素单元按照与每个像素单元对应的目标像素点的S个不同基色的目标像素数据和一个白色目标像素数据进行显示;
或者,在待修订显示帧图像中部分像素点为多个目标像素点的情况下,控制与多个目标像素点对应的像素单元中的每个像素单元按照对应的S个不同基色的目标像素数据和一个白色目标像素数据进行显示,获取多个目标像素点以外的像素点对应的多个初始像素数据组,其中,多个初始像素数据组中的每个包括S个不同基色的初始像素数据和一个白色初始像素数据,控制与多个目标像素点以外的像素点对应的多个像素单元中的每个像素单元按照对应的S个不同基色的初始像素数据和白色初始像素数据进行显示。
例如,在一些实施例中,待修订显示帧图像可以包括多个目标像素点和多个非目标像素点,多个像素单元包括第一组像素单元和第二组像素单元,第一组像素单元中的像素单元分别与多个目标像素点一一对应,即第一组像素单元中的每个像素单元包括目标像素点;第二组像素单元中的像素单元分别与多个非目标像素点一一对应,即第二组像素单元中的每个像素单元包括非目标像素点。需要说明的是,非目标像素点表示按照初始像素数据进行正常显示的像素点,即该非目标像素点中的S个基色子像素和白色子像素均显示,例如,图3a中的第2列像素点、第3列像素点、第4列像素点、第6列像素点、第7列像素点、第8列像素点、第10列像素点、第11列像素点、第12列像素点、第14列像素点、第15列像素点、第16列像素点、第18列像素点、第19列像素点和第20列像素点中的所有像素点均为非目标像素点。
例如,在待修订显示帧图像中部分像素点为多个目标像素点的情况下,步骤S302包括:控制第一组像素单元中的每个像素单元按照对应的目标像素点的S个不同基色的目标像素数据和白色目标像素数据进行显示;获取分别与多个非目标像素点对应的多个初始像素数据组,其中,多个初始像素数据组中的每个包括S个不同基色的初始像素数据和一个白色初始像素数据;控制第二组像素单元中的每个像素单元按照对应的非目标像素点的S个不同基色的初始像素数据和一个白色初始像素数据进行显示。
在该显示装置的显示方法采用上述任一实施例提供的像素数据的处理方法,获取待修订显示帧图像中的目标像素点的S个不同基色的目标像素数据和一个白色目标像素数据,在通过该显示装置进行显示时,白色目标像素数据对应0灰阶(也即白色目标像素数据对应的子像素不被点亮),仅通过目标像素点中的S个子像素分别根据S个不同基色的目标像素数据进行显示即可实现目标像素点的显示效果,该显示效果与目标像素点中的S个子像素分别根据S个不同基色的初始像素数据进行显示和目标像素点中的一个白色子像素根据一个白色初始像素数据进行显示的显示效果相同,从而减少了白色目标像素数据对应的白色子像素的点亮时间,进而解决了因白色子像素的点亮时间过长导致的显示装置寿命降低的问题。
本公开实施例还提供一种计算机可读存储介质,该计算机可读存储介质用于存储有计算机程序,该计算机程序被计算机执行时实现如前述任一实施例的像素数据的处理方法。
例如,计算机可读存储介质可以是计算机能够存取的任何存储介质或者是包含一个或多个存储介质集成的服务器、数据中心等数据存储设备。计算机可读存储介质可以为易失性存储器和/或非易失性存储器。易失性存储器例如可以包括随机存取存储器(RAM)和/或高速缓冲存储器(cache)等。非易失性存储器例如可以包括只读存储器(ROM)、硬盘、可擦除可编程只读存储器(EPROM)、便携式紧致盘只读存储器(CD-ROM)、USB存储器、闪存等。在计算机可读存储介质上可以存储一个或多个非暂时性计算机可读指令,计算机可以运行所述非暂时性计算机可读指令,以实现像素数据的处理方法中的一个或多个步骤。
本公开实施例还提供一种像素数据处理装置,该像素数据处理装置包括存储器和处理器;存储器上存储有可在处理器上运行的计算机程序,处理器用于执行该计算机程序,以实现上述任一实施例的像素数据的处理方法。
例如,存储器可以包括易失性存储器和/或非易失性存储器。易失性存储器例如可以包括随机存取存储器(RAM)和/或高速随机存取存储器(cache)等,非易失性存储器例如可以包括只读存储器(ROM)、硬盘、可擦除可编程只读存储器(EPROM)、便携式紧致盘只读存储器(CD-ROM)、USB存储器、闪存或其他易失性固态存储器件等。
例如,处理器可以是中央处理器(Central Processing Unit,CPU)、通用处 理器、数字信号处理器(Digital Signal Processor,DSP)、专用集成电路(Application-Specific Integrated Circuit,ASIC)、现场可编程门阵列(Field Programmable Gate Array,FPGA)或者其他可编程逻辑器件、晶体管逻辑器件、硬件部件或者其任意组合。处理器可以实现或执行结合本申请公开内容所描述的各种示例性的逻辑方框,模块和电路。所述处理器也可以是实现计算功能的组合,例如包含一个或多个微处理器组合、DSP和微处理器的组合等等。
本公开实施例还提供另一种像素数据处理装置,图6为本公开一些实施例提供的一种像素数据处理装置的示意性框图。
例如,如图6所示,该像素数据处理装置600包括:
目标像素确定模块610,用于确定一待修订显示帧图像的像素点中的目标像素点,每个像素点的像素数据包括S个不同基色的初始像素数据和一个白色初始像素数据,其中S为正整数。
换算模块620,用于将目标像素点的像素数据中的白色初始像素数据换算为S个不同基色的等效像素数据。
目标像素数据获取模块630,用于根据目标像素点的像素数据中的S个不同基色的等效像素数据与目标像素点的像素数据中的S个不同基色的初始像素数据,获取目标像素点的S个不同基色的目标像素数据和一个白色目标像素数据,其中,白色目标像素数据对应0灰阶。
例如,目标像素确定模块610可以包括初始像素数据获取单元和位置确定单元。
例如,初始像素数据获取单元用于获取任一显示帧图像中所有像素点的S个不同基色的初始像素数据和一个白色初始像素数据。
例如,位置确定单元用于在显示帧图像中所有像素点的白色初始像素数据对应的亮度之和与所有像素点的S个不同基色的初始像素数据和白色初始像素数据对应的亮度之和的比值大于或等于第一阈值的情况下,则确定该显示帧图像为待修订显示帧图像,并确定待修订显示帧图像的像素点中的目标像素点。
例如,在一些实施例中,待修订显示帧图像包括多个目标像素点,位置确定单元可以将待修订显示帧图像的像素点中的部分像素点确定为多个目标像素点。
例如,n个连续的待修订显示帧图像可以构成一待修订显示帧组;在待修订显示帧组中,不同的待修订显示帧图像的目标像素点的位置不同,且n个连 续的待修订显示帧图像的所有目标像素点的位置与一显示帧图像的所有像素点的位置一一对应。
例如,位置确定单元可以包括帧计数器和数据处理器。
例如,在一些实施例中,帧计数器可以对待修订显示帧组中的待修订显示帧图像进行计数;在此基础上,数据处理器根据帧计数器的计数结果X,将待修订显示帧组T中的第i个待修订显示帧图像的位于第i+n*k列像素点的所有像素点确定为第i个待修订显示帧图像对应的多个目标像素点,其中,
Figure PCTCN2019075241-appb-000007
N为第i个待修订显示帧图像中像素点的总列数。
又例如,在另一些实施例中,帧计数器可以对待修订显示帧组中的待修订显示帧图像进行计数,在此基础上,数据处理器根据帧计数器的计数结果X,将待修订显示帧组中的第j个待修订显示帧图像的位于第j+4*k行像素点的所有像素点确定为第j个待修订显示帧图像对应的多个目标像素点,其中,
Figure PCTCN2019075241-appb-000008
M为第j个待修订显示帧图像中像素点的总行数。
例如,在一些实施例中,目标像素数据获取模块630用于将S个不同基色的等效像素数据与S个不同基色的初始像素数据分别对应叠加,以获取S个不同基色的目标像素数据和一个白色目标像素数据。
需要说明的是,第一,对于该像素数据处理装置中相关模块的其他的相关内容(例如有益效果、相关解析说明等),可以对应的参考前述像素数据的处理方法的实施例中的对应部分,此处不再赘述;对于前述像素数据的处理方法的其他相关处理方式,可以参考上述像素数据处理装置,调整相应的模块结构,此处不再一一赘述。
第二,上述帧计数器的计数方式不作限定,可以依次加1,也可以依次减1;可以在计数结果X计数至n后,进行重置,重新开始计数,此时i=X;可以是累计计数;本公开对此均不作限定,实际中可以根据需要选择适当的计数方式即可。
第三,通过以上的实施方式的描述,所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,仅以上述各功能模块的划分进行举例说明,实际应用中,可以根据需要而将上述功能分配由不同的功能模块完成,即将装置的内部结构划分成不同的功能模块,以完成以上描述的全部或者部分功能。上述描 述的装置、模块和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
本公开实施例还提供一种显示装置,该显示装置包括多个像素单元,每一像素单元包括S个基色子像素和一个白色子像素;该显示装置还包括前述实施例提供的任一种像素数据处理装置。
例如,如图7所示,每一子像素中均设置有像素驱动电路,像素驱动电路可以包括数据写入晶体管T1、驱动晶体管T2、存储电容Cst和感应晶体管T3,数据写入晶体管T1的第一极与数据线D电连接,数据写入晶体管T1的第二极与驱动晶体管T2的栅极和存储电容Cst的第一端电连接,数据写入晶体管T1的栅极与栅线G1电连接,驱动晶体管T2的第一极与第一电源端ELVDD电连接,驱动晶体管T2的第二极与发光元件OLED的第一极电连接,存储电容Cst的第二端与驱动晶体管T2的第二极电连接,发光元件OLED的第二极与第二电源端ELVSS电连接,感应晶体管T3的第一极与驱动晶体管T2的第二极电连接,感应晶体管T3的第二极与感应信号线Comp电连接,感应晶体管T3的栅极与感应控制线G2电连接。
例如,感应晶体管T3被配置为将电流传输至感应信号线Comp以对感应信号线Comp充电;驱动晶体管T2被配置为驱动发光元件OLED发光;数据写入晶体管T1被配置为在导通时将像素数据写入到对应的驱动晶体管T2的栅极;存储电容Cst被配置为存储像素数据并将其保持在驱动晶体管T2的栅极。
例如,数据写入晶体管T1、驱动晶体管T2和感应晶体管T3均可以为薄膜晶体管或场效应晶体管或其他特性相同的开关器件。薄膜晶体管可以包括多晶硅(低温多晶硅或高温多晶硅)薄膜晶体管、非晶硅薄膜晶体管、氧化物薄膜晶体管或有机薄膜晶体管等。
例如,通过像素数据处理装置处理后得到的目标像素数据(例如,目标像素数据包括S个不同基色的目标像素数据和一个白色目标像素数据)可以通过数据线D(在数据写入晶体管T1开启的情况下)输入至驱动晶体管T2的栅极,以驱动发光元件OLED进行发光,从而实现显示。
当然,图5仅是示意的提供了一种像素驱动电路,但本公开中对像素驱动电路的具体结构不作限定,可以根据实际的需要选择合适的像素驱动电路即可。图5所示的像素驱动电路采用3T1C结构为例进行说明,但是本公开实施例的像素驱动电路不限于3T1C结构。例如,根据需要该像素驱动电路还可以 包括传输晶体管、检测晶体管和复位晶体管等。
还需要说明的是,在本公开实施例中,显示装置具体至少可以包括有机发光二极管显示面板,但并不限制于此,例如还可以是量子点发光显示面板。该显示面板可以应用至显示器、电视、数码相框、手机或平板电脑等任何具有显示功能的产品或者部件中。
以上所述,仅为本公开的具体实施方式,但本公开的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本公开揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本公开的保护范围之内。因此,本公开的保护范围应以所述权利要求的保护范围为准。

Claims (16)

  1. 一种像素数据的处理方法,包括:
    确定一待修订显示帧图像的像素点中的目标像素点,每个所述像素点的像素数据包括S个不同基色的初始像素数据和一个白色初始像素数据,其中,S为正整数;
    将所述目标像素点的像素数据中的白色初始像素数据换算为S个不同基色的等效像素数据;
    根据所述目标像素点的像素数据中的S个不同基色的等效像素数据与所述目标像素点的像素数据中的S个不同基色的初始像素数据,获取所述目标像素点的S个不同基色的目标像素数据和一个白色目标像素数据,其中,所述白色目标像素数据对应0灰阶。
  2. 根据权利要求1所述的处理方法,其中,所述确定一待修订显示帧图像的像素点中的目标像素点包括:
    获取任一显示帧图像中所有像素点的S个不同基色的初始像素数据和一个白色初始像素数据;
    在所述显示帧图像中所有像素点的白色初始像素数据对应的亮度之和与所有像素点的S个不同基色的初始像素数据和白色初始像素数据对应的亮度之和的比值大于或等于第一阈值的情况下,则确定所述显示帧图像为所述待修订显示帧图像,并确定所述待修订显示帧图像的像素点中的目标像素点。
  3. 根据权利要求2所述的处理方法,其中,所述第一阈值大于或等于70%。
  4. 根据权利要求1-3任一项所述的处理方法,其中,所述待修订显示帧图像包括多个目标像素点,
    所述确定一待修订显示帧图像的像素点中的目标像素点包括:
    将所述待修订显示帧图像的像素点中的部分像素点确定为所述多个目标像素点。
  5. 根据权利要求4所述的处理方法,其中,n个连续的待修订显示帧图像构成一待修订显示帧组,n为正整数;
    在所述待修订显示帧组中,不同的待修订显示帧图像的目标像素点的位置不同。
  6. 根据权利要求5所述的处理方法,其中,所述n个连续的待修订显示 帧图像的所有目标像素点的位置与一显示帧图像的所有像素点的位置一一对应。
  7. 根据权利要求4-6任一项所述的处理方法,其中,所述将所述待修订显示帧图像的像素点中的部分像素点确定为所述多个目标像素点包括:
    将所述待修订显示帧组中的第i个待修订显示帧图像的位于第i+n*k列像素点的所有像素点确定为所述第i个待修订显示帧图像对应的多个目标像素点,
    其中,
    Figure PCTCN2019075241-appb-100001
    1≤i+n*k≤N,1≤i≤n,N为所述第i个待修订显示帧图像中像素点的总列数。
  8. 根据权利要求4-6任一项所述的处理方法,其中,
    所述将所述待修订显示帧图像的像素点中的部分像素点确定为所述多个目标像素点包括:
    将所述待修订显示帧组中的第j个待修订显示帧图像的位于第j+n*k行像素点的所有像素点确定为所述第j个待修订显示帧图像对应的多个目标像素点,
    其中,
    Figure PCTCN2019075241-appb-100002
    1≤j+n*k≤M,1≤j≤n,M为所述第j个待修订显示帧图像中像素点的总行数。
  9. 根据权利要求1-8所述的处理方法,其中,根据所述目标像素点的像素数据中的S个不同基色的等效像素数据与所述目标像素点的像素数据中的S个不同基色的初始像素数据,获取所述目标像素点的S个不同基色的目标像素数据和一个白色目标像素数据包括:
    将所述S个不同基色的等效像素数据与所述S个不同基色的初始像素数据分别对应叠加,以获取所述S个不同基色的目标像素数据和所述白色目标像素数据。
  10. 一种显示装置的显示方法,其中,所述显示装置包括多个像素单元,
    所述显示方法包括:
    获取待修订显示帧图像中的目标像素点对应的S个不同基色的目标像素数据和一个白色目标像素数据,其中,所述S个不同基色的目标像素数据和所述白色目标像素数据根据权利要求1-9任一项所述的像素数据的处理方法得到;
    控制所述目标像素点对应的像素单元按照所述S个不同基色的目标像素数 据和所述白色目标像素数据进行显示。
  11. 一种显示装置的显示方法,其中,所述显示装置包括多个像素单元,
    所述显示方法包括:
    获取分别与多个目标像素点对应的多个目标像素数据组,其中,所述多个目标像素数据组中的每个目标像素数据组包括S个不同基色的目标像素数据和一个白色目标像素数据,所述每个目标像素数据组中的所述S个不同基色的目标像素数据和所述白色目标像素数据根据权利要求1-9任一项所述的像素数据的处理方法得到;
    在所述待修订显示帧图像中所有的像素点均为所述多个目标像素点的情况下,控制每个像素单元按照与所述每个像素单元对应的目标像素点的S个不同基色的目标像素数据和一个白色目标像素数据进行显示,
    或者,在所述待修订显示帧图像中部分像素点为所述多个目标像素点的情况下,控制与所述多个目标像素点对应的多个像素单元中的每个像素单元按照对应的S个不同基色的目标像素数据和一个白色目标像素数据进行显示,
    获取所述多个目标像素点以外的像素点对应的多个初始像素数据组,其中,所述多个初始像素数据组中的每个包括S个不同基色的初始像素数据和一个白色初始像素数据,
    控制与所述多个目标像素点以外的像素点对应的多个像素单元中的每个像素单元按照对应的S个不同基色的初始像素数据和白色初始像素数据进行显示。
  12. 根据权利要求10或11所述的显示方法,其中,每个所述像素单元包括S个基色子像素和一个白色子像素,
    所述S个基色子像素与所述S个不同基色的目标像素数据一一对应,所述白色子像素与所述白色初始像素数据对应。
  13. 一种像素数据处理装置,包括存储器、处理器;
    其中,所述存储器上存储有计算机程序,所述处理器用于执行所述计算机程序,以实现如权利要求1-9任一项所述的处理方法。
  14. 一种计算机可读存储介质,其存储有计算机程序,
    其中,所述计算机程序被计算机执行时实现如权利要求1-9任一项所述的处理方法。
  15. 一种像素数据处理装置,包括:
    目标像素确定模块,用于确定一待修订显示帧图像的像素点中的目标像素点,每个所述像素点的像素数据包括S个不同基色的初始像素数据和一个白色初始像素数据,其中S为正整数;
    换算模块,用于将所述目标像素点的像素数据中的白色初始像素数据换算为S个不同基色的等效像素数据;
    目标像素数据获取模块,用于根据所述目标像素点的像素数据中的S个不同基色的等效像素数据与所述目标像素点的像素数据中的S个不同基色的初始像素数据,获取所述目标像素点的S个不同基色的目标像素数据和一个白色目标像素数据,其中,所述白色目标像素数据对应0灰阶。
  16. 一种显示装置,包括多个像素单元和如权利要求13或15所述的像素数据处理装置。
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