WO2022133648A1 - 用于处理显示装置的显示信号的方法及其设备、显示设备 - Google Patents

用于处理显示装置的显示信号的方法及其设备、显示设备 Download PDF

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WO2022133648A1
WO2022133648A1 PCT/CN2020/138020 CN2020138020W WO2022133648A1 WO 2022133648 A1 WO2022133648 A1 WO 2022133648A1 CN 2020138020 W CN2020138020 W CN 2020138020W WO 2022133648 A1 WO2022133648 A1 WO 2022133648A1
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Prior art keywords
gray value
display
value
image
average gray
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PCT/CN2020/138020
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English (en)
French (fr)
Inventor
柴媛媛
兰传艳
吴国强
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京东方科技集团股份有限公司
成都京东方光电科技有限公司
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Priority to PCT/CN2020/138020 priority Critical patent/WO2022133648A1/zh
Priority to CN202080003469.4A priority patent/CN115004290A/zh
Publication of WO2022133648A1 publication Critical patent/WO2022133648A1/zh

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3266—Details of drivers for scan electrodes

Definitions

  • the present disclosure relates to the field of display technology, and in particular, to a method for processing a display signal of a display device, a device thereof, and a display device.
  • Display devices such as liquid crystal displays (LCDs) or organic light emitting diodes (OLEDs) are widely used in smart terminal products such as mobile phones and tablet computers.
  • LCDs liquid crystal displays
  • OLEDs organic light emitting diodes
  • Embodiments of the present disclosure provide a method for processing a display signal of a display device, a device thereof, and a display device.
  • a method for processing a display signal of a display device includes at least one display area for displaying an image, each display area includes at least one display pixel, and the display signal drives the display pixel to emit light, wherein the image includes at least one image area, the at least one image area is One image area is in one-to-one correspondence with the at least one display area.
  • the method includes determining a previous average grayscale value of the image area corresponding to a previous frame image of the display area and a value of the image area corresponding to the current frame image of the display area.
  • a compensation signal is determined to compensate for the display signal of the display pixels of the display area when the current frame image is displayed.
  • determining a compensated grayscale value for the display area based on the result of the comparison includes: in response to the current average grayscale value being greater than the previous average grayscale value, changing the A compensated gray value is determined as a difference between the current average gray value and the previous average gray value; and in response to the current average gray value being less than or equal to the previous average gray value, the compensation The gray value is determined to be zero.
  • the image area of the image includes at least one image pixel having at least one color component, wherein determining the compensation signal includes determining a compensation corresponding to each color component Signal.
  • the at least one color component includes a red component having a first grayscale value, a green component having a second grayscale value, and a blue component having a third grayscale value.
  • the previous average gray value includes a first previous average gray value, a second previous average gray value, and a third previous average gray value
  • the current average gray value includes the first The current average gray value, the second current average gray value, and the third current average gray value
  • determining the previous average gray value includes: based on the images of the image regions of the previous frame images, respectively the first grayscale value, the second grayscale value, and the third grayscale value of the pixel, determine the first previous average grayscale value, the second previous average grayscale value, and the third grayscale value Three previous average grayscale values; wherein, determining the current average grayscale value includes: based on the first grayscale value, the second grayscale value of the image pixels in the image region of the current frame image, respectively and the third gray value, and determine the first current average gray value, the second current average gray value, and the third current average gray value.
  • the compensated gray value includes a first compensated gray value corresponding to the first gray value, a second compensated gray value corresponding to the second gray value, and A third compensated grayscale value corresponding to the third grayscale value.
  • the display pixel includes a red sub-pixel, a green sub-pixel and a blue sub-pixel
  • the display signal includes a first display signal for driving the red sub-pixel to emit light, and a first display signal for driving the green sub-pixel a second display signal for emitting light, a third display signal for driving blue sub-pixels to emit light
  • the compensation signals including a first compensation signal for compensating red sub-pixels, a second compensation signal for compensating green sub-pixels, A third compensation signal for compensating the blue sub-pixels.
  • an apparatus for processing a display signal of a display device includes at least one display area for displaying an image, each display area includes at least one display pixel, and the display signal drives the display pixel to emit light, wherein the image includes at least one image area, the at least one image area is One image area is in one-to-one correspondence with the at least one display area.
  • the apparatus includes: one or more processors; and a memory coupled to the processors and storing computer program instructions.
  • the computer program instructions when executed by the processor, cause the apparatus to: for each display area, determine a previous average grayscale value of the image area corresponding to a previous frame image of the display area and a value corresponding to the the current average gray value of the image area of the current frame image of the display area; compare the previous average gray value with the current average gray value; based on the result of the comparison, determine the current average gray value for the display area and, based on the compensated gray value, determining a compensation signal to compensate for the display signal of the display pixels of the display area when the current frame image is displayed.
  • the computer program instructions when executed by the processor, cause the apparatus to determine a compensated grayscale value for the display area based on the result of the comparison by: responding to the current average gray value is greater than the previous average gray value, determining the compensated gray value as the difference between the current average gray value and the previous average gray value; and in response to the current average gray value The average gray value is less than or equal to the previous average gray value, and the compensated gray value is determined to be zero.
  • the image region of the image includes at least one image pixel having at least one color component, wherein the computer program instructions, when executed by the processor, cause the The device determines the compensation signal by determining the compensation signal corresponding to each color component.
  • the at least one color component includes a red component having a first grayscale value, a green component having a second grayscale value, and a blue component having a third grayscale value.
  • the previous average gray value includes a first previous average gray value, a second previous average gray value, and a third previous average gray value
  • the current average gray value includes the first current average gray value, second current average gray value, and third current average gray value
  • the computer program instructions when executed by the processor, cause the apparatus to determine the previous average gray value by Grayscale value: determine the first grayscale value, the second grayscale value and the third grayscale value of the image pixels of the image area of the previous frame image, respectively.
  • the computer program instructions when executed by the processor, cause the apparatus to operate by Determining the current average grayscale value: based on the first grayscale value, the second grayscale value, and the third grayscale value of the image pixels of the image region of the current frame image, respectively , and determine the first current average gray value, the second current average gray value and the third current average gray value.
  • the compensated gray value includes a first compensated gray value corresponding to the first gray value, a second compensated gray value corresponding to the second gray value, and A third compensated grayscale value corresponding to the third grayscale value.
  • the display pixel includes a red sub-pixel, a green sub-pixel and a blue sub-pixel
  • the display signal includes a first display signal for driving the red sub-pixel to emit light, and a first display signal for driving the green sub-pixel a second display signal for emitting light, a third display signal for driving blue sub-pixels to emit light
  • the compensation signals including a first compensation signal for compensating red sub-pixels, a second compensation signal for compensating green sub-pixels, A third compensation signal for compensating the blue sub-pixels.
  • a display device includes: a display device, wherein the display device includes a liquid crystal display device, an OLED display device, a quantum dot display device or a micro LED display device; and the device according to the second aspect of the present disclosure, which is the same as the above A display device is coupled.
  • FIG. 1 is a schematic block diagram of a display device according to an embodiment of the present disclosure.
  • FIG. 2 is a schematic block diagram of an image displayed by a display device according to an embodiment of the present disclosure.
  • FIG. 3 is a schematic flowchart of a method for processing a display signal of a display device according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic block diagram of an apparatus for processing a display signal of a display device according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic block diagram of a display device according to an embodiment of the present disclosure.
  • the driving voltage i.e., the display signal
  • the driving voltage i.e., the display signal
  • the driving voltage has a large variation range
  • the actual driving voltage on the display pixel cannot reach the target driving voltage, so the brightness cannot reach the target brightness, and finally a smear phenomenon occurs.
  • FIG. 1 is a schematic block diagram of a display device according to an embodiment of the present disclosure.
  • the display device may include at least one display area 12
  • the display area 12 may include at least one display pixel 122 , wherein the display pixel 122 emits light under the driving of a display signal.
  • the display pixels 122 in each display area 12 are in the same row. It should be understood that the display area may be divided according to the display requirements of the display device, for example, the display area may be divided so that the display pixels 122 in each display area 12 are in the same column.
  • FIG. 2 is a schematic block diagram of an image displayed by a display device according to an embodiment of the present disclosure.
  • the image may include at least one image area 22 , and each image area 22 corresponds one-to-one with the display area 12 shown in FIG. 1 , so that each display area 12 can be used to display the corresponding image area 22 .
  • FIG. 3 is a schematic flowchart of a method for processing a display signal of a display device according to an embodiment of the present disclosure.
  • the process of processing the display signal is described by taking the display area 12 located in the first row in FIG. 1 as an example. It should be understood that when the display signals of the display area 12 of the first row are processed, the display signals of other display areas may also be processed in parallel.
  • the previous average grayscale value of the image area of the previous frame image corresponding to the display area 12 is determined, and the current average grayscale value of the image area of the current frame image corresponding to the display area 12 is determined value.
  • the current frame image is an image currently to be displayed by the display device, and the previous frame image is the displayed previous frame image of the current frame image.
  • the sum of the grayscale values of all image pixels in the image area of the previous frame image corresponding to the display area 12 is calculated, and then, the ratio of the calculated sum to the number of image pixels in the image area is determined as the previous average grayscale value.
  • the current average gray value first, calculate the sum of the gray values of all image pixels in the image area of the current frame image corresponding to the display area 12, and then compare the calculated sum with the image area The ratio of the number of image pixels in is determined as the current average gray value.
  • the previous average grayscale value is compared to the current average grayscale value.
  • the difference between the previous average gray value and the current average gray value may be determined as a result of the comparison.
  • the result of the comparison may include the following three cases: the current average gray value is greater than the previous average gray value, the current average gray value is smaller than the previous average gray value, and the current average gray value is equal to the previous average gray value degree value.
  • a compensated grayscale value for display area 12 is determined.
  • the compensated gray value is determined as the difference between the current average gray value and the previous average gray value, if the current average gray value is less than or equal to the previous average gray value, the compensated gray value is determined to be zero.
  • a compensation signal is determined.
  • the gray level of the image can be determined according to the number of bits of the image, for example, for an 8-bit image, the gray level of the image is 256.
  • the maximum compensation signal may be preset, for example, for an 8-bit image, the maximum compensation signal may be preset to 2V.
  • the gray level of the image is 256
  • the predetermined maximum compensation signal is 2V
  • the compensation gray value determined according to block 306 is 51
  • the compensation signal can be determined to be 0.4V from the above formula.
  • the compensation signal 0.4V may be compensated to the display signal of each display pixel of the display area 12 in the first row. It should be noted that, in the present disclosure, the display signal of each display pixel is determined according to the initial grayscale value of the corresponding image pixel of the image to be displayed.
  • the image area 22 of the image shown in FIG. 2 may include at least one image pixel 222. Since the image area 22 corresponds to the display area 12 shown in FIG. 1 in one-to-one correspondence, each image pixel 222 One-to-one correspondence with the display pixels 122 .
  • An image pixel 222 may have at least one color component 224, and according to the method described above, a compensation signal corresponding to each color component may be determined.
  • color components 224 include a red component, a green component, and a blue component, wherein the red component has a first grayscale value, the green component has a second grayscale value, and the blue component has a third grayscale value.
  • the display pixel 122 shown in FIG. 1 may include a red sub-pixel for displaying a red component, a green sub-pixel for displaying a green component, and a blue sub-pixel for displaying a blue component.
  • the display signals for driving the display pixels 122 include a first display signal for driving the red sub-pixel to emit light, a second display signal for driving the green sub-pixel to emit light, and a third display signal for driving the blue sub-pixel to emit light.
  • the previous average grayscale values include the first previous average grayscale value of the red component, the second previous average grayscale value of the green component, and the third previous average grayscale value of the blue component
  • the current average grayscale The values include a first current average grayscale value for the red component, a second current average grayscale value for the green component, and a third current average grayscale value for the blue component.
  • determining the previous average grayscale value comprises: determining the first previous average grayscale value of the red component based on the first grayscale value of the red component of each image pixel of the image region of the previous frame image, respectively ; determining a second average previous gray value of the green component based on the second gray value of the green component of each image pixel of the image area of the previous frame image; and based on the blue color of each image pixel of the image area of the previous frame image
  • the third grayscale value of the color component determines the third previous average grayscale value of the blue component.
  • determining the current average grayscale value includes: determining the first current average grayscale value of the red component based on the first grayscale value of the red component of each image pixel of the image area of the current frame image; based on the current frame image The second grayscale value of the green component of each image pixel of the image region of the Grayscale value, which determines the third current average grayscale value for the blue component.
  • comparing the previous average grayscale value to the current average grayscale value includes comparing the first previous average grayscale value and the first current average grayscale value of the red component, respectively, and the second previous average grayscale value of the green component, respectively. value to the second current average grayscale value, and comparing the third previous average grayscale value of the blue component to the third current average grayscale value.
  • the compensated gray value includes a first compensated gray value corresponding to the first gray value, a second compensated gray value corresponding to the second gray value, and a third gray value corresponding to the third gray value Three compensated grayscale values.
  • determining the compensated grayscale value for the display area comprises: in response to the first current average grayscale value of the red component being greater than the first The previous average grayscale value is determined as the absolute value of the difference between the two as the first compensated grayscale value of the red component; in response to the second current average grayscale value of the green component being greater than the second previous average grayscale value, the two The absolute value of the difference between the two is determined as the second compensated gray value of the green component; and in response to the third current average gray value of the blue component being greater than the third previous average gray value, the absolute value of the difference between the two is determined.
  • determining the compensated grayscale value for the display area comprises: in response to the first current average grayscale value of the red component being less than or equal to the first previous average grayscale value, respectively gray value, the first compensated gray value of the red component is determined to be zero; in response to the second current average gray value of the green component being less than or equal to the second previous average gray value, the second compensated gray value of the green component is determined to be zero; The value is determined to be zero; and the third compensated grayscale value of the blue component is determined to be zero in response to the third current average grayscale value of the blue component being less than or equal to the third previous average grayscale value.
  • the compensation signals include a first compensation signal for compensating red sub-pixels, a second compensation signal for compensating green sub-pixels, and a third compensation signal for compensating blue sub-pixels.
  • determining the compensation signal includes: respectively determining a first compensation signal corresponding to the red color component, a second compensation signal corresponding to the green color component, and a third compensation signal corresponding to the blue color component from the above compensation formula compensation signal.
  • the first compensation signal is compensated for the first display signal of the red sub-pixel in the display area 12
  • the second compensation signal is compensated for the second display signal of the green sub-pixel in the display area 12
  • the third compensation signal is compensated for The third display signal of the blue sub-pixel.
  • the smear problem caused by the actual driving voltage not reaching the target driving voltage can be improved, the display effect can be improved, and the user can benefit from it. Provide a better visual experience.
  • the display pixel corresponding to the image pixel is not compensated, which can save computing resources.
  • FIG. 4 is a schematic block diagram of an apparatus 40 for processing a display signal of a display device according to an embodiment of the present disclosure.
  • device 40 includes one or more processors 402 and memory 404 .
  • Memory 404 is coupled to processor 402 through a bus and I/O interface 406 and stores computer program instructions. When the computer program instructions are executed by the processor 402, the apparatus 40 may perform the steps of a method of processing a display signal of a display device as shown in FIG. 3 .
  • the display device may include at least one display area for displaying an image, each display area may include at least one display pixel, and a display signal drives the display pixel to emit light, wherein the image may include at least one image area, At least one image area is in one-to-one correspondence with at least one display area.
  • the apparatus 40 may determine the previous average grayscale value of the image area corresponding to the previous frame image of the display area and the current average value of the image area corresponding to the current frame image of the display area grayscale value.
  • Device 40 may then compare the previous average gray value with the current average gray value.
  • the device 40 may determine a compensated grayscale value for the display area based on the result of the comparison.
  • the device 40 may determine the compensated gray value as the difference between the current average gray value and the previous average gray value in response to the current average gray value being greater than the previous average gray value; and in response to The current average gray value is less than or equal to the previous average gray value, and the compensated gray value is determined to be zero.
  • the apparatus 40 may determine a compensation signal based on the compensation grayscale value to compensate the display signal of the display pixels of the display area when the current frame image is displayed.
  • an image area of an image may include at least one image pixel having at least one color component.
  • device 40 may determine a compensation signal corresponding to each color component.
  • the at least one color component may include a red component having a first grayscale value, a green component having a second grayscale value, and a blue component having a third grayscale value.
  • the previous average gray value may include a first previous average gray value, a second previous average gray value, and a third previous average gray value
  • the current average gray value may include the first current average gray value gray value, a second current average gray value, and a third current average gray value.
  • Apparatus 40 may determine the first previous average gray value, the second previous average gray value and the a third previous average grayscale value; and determining the first current average grayscale value, the second grayscale value, the second grayscale value, and the The current average gray value and the third current average gray value.
  • the compensated gray value may include a first compensated gray value corresponding to the first gray value, a second compensated gray value corresponding to the second gray value, and a third gray value corresponding to The third compensated gray value of the degree value.
  • a display pixel may include a red sub-pixel, a green sub-pixel and a blue sub-pixel, and the display signal includes a first display signal for driving the red sub-pixel to emit light, and a first display signal for driving the green sub-pixel to emit light.
  • Two display signals, a third display signal for driving blue sub-pixels to emit light, the compensation signals may include a first compensation signal for compensating red sub-pixels, a second compensation signal for compensating green sub-pixels, and a second compensation signal for compensating blue sub-pixels The third compensation signal of the color sub-pixel.
  • the display device may be a liquid crystal display device.
  • the display device may be an organic light emitting diode, a quantum dot display device or a micro LED display device.
  • the device 40 may be implemented as a separate device, or may be integrated in a display device.
  • FIG. 5 is a schematic block diagram of a display device 50 according to an embodiment of the present disclosure.
  • the display apparatus 50 may include a display apparatus 502 , and the apparatus 40 shown in FIG. 4 coupled to the display apparatus 502 .

Abstract

一种用于处理显示装置的显示信号的方法及其设备、显示设备，显示装置包括用于显示图像的至少一个显示区域（12），每个显示区域（12）包括至少一个显示像素（122），显示信号驱动显示像素（122）发光，其中，图像包括至少一个图像区域（22），至少一个图像区域（22）与至少一个显示区域（12）一一对应。对于每个显示区域（12），方法包括：确定对应于显示区域（12）的先前帧图像的图像区域（22）的先前平均灰度值和对应于显示区域（12）的当前帧图像的图像区域（22）的当前平均灰度值；比较先前平均灰度值与当前平均灰度值；基于比较的结果，确定用于显示区域（12）的补偿灰度值；以及基于补偿灰度值，确定补偿信号以在显示当前帧图像时补偿显示区域（12）的显示像素（122）的显示信号。

Description

用于处理显示装置的显示信号的方法及其设备、显示设备 技术领域
本公开涉及显示技术领域，尤其涉及一种用于处理显示装置的显示信号的方法及其设备、显示设备。
背景技术
诸如液晶显示器(LCD)或有机发光二极管(OLED)等的显示装置被广泛应用于手机、平板电脑等智能终端产品。
发明内容
本公开的实施例提供了用于处理显示装置的显示信号的方法及其设备、显示设备。
根据本公开的第一方面，提供了一种用于处理显示装置的显示信号的方法。所述显示装置包括用于显示图像的至少一个显示区域，每个显示区域包括至少一个显示像素，所述显示信号驱动所述显示像素发光，其中，所述图像包括至少一个图像区域，所述至少一个图像区域与所述至少一个显示区域一一对应。对于每个显示区域，所述方法包括：确定对应于所述显示区域的先前帧图像的所述图像区域的先前平均灰度值和对应于所述显示区域的当前帧图像的所述图像区域的当前平均灰度值；比较所述先前平均灰度值与所述当前平均灰度值；基于所述比较的结果，确定用于所述显示区域的补偿灰度值；以及基于所述补偿灰度值，确定补偿信号以在显示所述当前帧图像时补偿所述显示区域的所述显示像素的所述显示信号。
在本公开的实施例中，基于所述比较的结果，确定用于所述显示区域的补偿灰度值包括：响应于所述当前平均灰度值大于所述先前平均灰度值， 将所述补偿灰度值确定为所述当前平均灰度值与所述先前平均灰度值的差值；以及响应于所述当前平均灰度值小于或等于所述先前平均灰度值，将所述补偿灰度值确定为零。
在本公开的实施例中，所述补偿信号由下式确定：所述补偿信号＝(所述补偿灰度值/(所述图像的灰度等级-1))×预定最大补偿信号。
在本公开的实施例中，所述图像的所述图像区域包括至少一个图像像素，所述图像像素具有至少一个颜色分量，其中，确定所述补偿信号包括：确定对应于每个颜色分量的补偿信号。
在本公开的实施例中，所述至少一个颜色分量包括具有第一灰度值的红色分量、具有第二灰度值的绿色分量、以及具有第三灰度值的蓝色分量。
在本公开的实施例中，所述先前平均灰度值包括第一先前平均灰度值、第二先前平均灰度值和第三先前平均灰度值，所述当前平均灰度值包括第一当前平均灰度值、第二当前平均灰度值和第三当前平均灰度值，其中，确定所述先前平均灰度值包括：分别基于所述先前帧图像的所述图像区域的所述图像像素的所述第一灰度值、所述第二灰度值和所述第三灰度值，确定所述第一先前平均灰度值、所述第二先前平均灰度值和所述第三先前平均灰度值；其中，确定所述当前平均灰度值包括：分别基于所述当前帧图像的所述图像区域的所述图像像素的所述第一灰度值、所述第二灰度值和所述第三灰度值，确定所述第一当前平均灰度值、所述第二当前平均灰度值和所述第三当前平均灰度值。
在本公开的实施例中，所述补偿灰度值包括对应于所述第一灰度值的第一补偿灰度值、对应于所述第二灰度值的第二补偿灰度值、以及对应于所述第三灰度值的第三补偿灰度值。
在本公开的实施例中，所述显示像素包括红色子像素、绿色子像素和蓝色子像素，所述显示信号包括用于驱动红色子像素发光的第一显示信号、用于驱动绿色子像素发光的第二显示信号、用于驱动蓝色子像素发光的第三显示信号，所述补偿信号包括用于补偿红色子像素的第一补偿信号、用于补偿绿色子像素的第二补偿信号、用于补偿蓝色子像素的第三补偿信号。
根据本公开的第二方面，提供了一种用于处理显示装置的显示信号的设备。所述显示装置包括用于显示图像的至少一个显示区域，每个显示区域包括至少一个显示像素，所述显示信号驱动所述显示像素发光，其中，所述图像包括至少一个图像区域，所述至少一个图像区域与所述至少一个显示区域一一对应。所述设备包括：一个或多个处理器；存储器，其与所述处理器耦接，并存储有计算机程序指令。所述计算机程序指令在被所述处理器执行时使得所述设备：对于每个显示区域，确定对应于所述显示区域的先前帧图像的所述图像区域的先前平均灰度值和对应于所述显示区域的当前帧图像的所述图像区域的当前平均灰度值；比较所述先前平均灰度值与所述当前平均灰度值；基于所述比较的结果，确定用于所述显示区域的补偿灰度值；以及基于所述补偿灰度值，确定补偿信号以在显示所述当前帧图像时补偿所述显示区域的所述显示像素的所述显示信号。
在本公开的实施例中，所述计算机程序指令在被所述处理器执行时使得所述设备通过以下操作来基于所述比较的结果确定用于所述显示区域的补偿灰度值：响应于所述当前平均灰度值大于所述先前平均灰度值，将所述补偿灰度值确定为所述当前平均灰度值与所述先前平均灰度值的差值；以及响应于所述当前平均灰度值小于或等于所述先前平均灰度值，将所述补偿灰度值确定为零。
在本公开的实施例中，所述补偿信号由下式确定：所述补偿信号＝(所述补偿灰度值/(所述图像的灰度等级-1))×预定最大补偿信号。
在本公开的实施例中，所述图像的所述图像区域包括至少一个图像像素，所述图像像素具有至少一个颜色分量，其中，所述计算机程序指令在被所述处理器执行时使得所述设备通过以下操作来确定所述补偿信号：确定对应于每个颜色分量的补偿信号。
在本公开的实施例中，所述至少一个颜色分量包括具有第一灰度值的红色分量、具有第二灰度值的绿色分量、以及具有第三灰度值的蓝色分量。
在本公开的实施例中，所述先前平均灰度值包括第一先前平均灰度值、第二先前平均灰度值和第三先前平均灰度值，所述当前平均灰度值包括第 一当前平均灰度值、第二当前平均灰度值和第三当前平均灰度值，其中，所述计算机程序指令在被所述处理器执行时使得所述设备通过以下操作来确定所述先前平均灰度值：分别基于所述先前帧图像的所述图像区域的所述图像像素的所述第一灰度值、所述第二灰度值和所述第三灰度值，确定所述第一先前平均灰度值、所述第二先前平均灰度值和所述第三先前平均灰度值；其中，所述计算机程序指令在被所述处理器执行时使得所述设备通过以下操作来确定所述当前平均灰度值：分别基于所述当前帧图像的所述图像区域的所述图像像素的所述第一灰度值、所述第二灰度值和所述第三灰度值，确定所述第一当前平均灰度值、所述第二当前平均灰度值和所述第三当前平均灰度值。
在本公开的实施例中，所述补偿灰度值包括对应于所述第一灰度值的第一补偿灰度值、对应于所述第二灰度值的第二补偿灰度值、以及对应于所述第三灰度值的第三补偿灰度值。
在本公开的实施例中，所述显示像素包括红色子像素、绿色子像素和蓝色子像素，所述显示信号包括用于驱动红色子像素发光的第一显示信号、用于驱动绿色子像素发光的第二显示信号、用于驱动蓝色子像素发光的第三显示信号，所述补偿信号包括用于补偿红色子像素的第一补偿信号、用于补偿绿色子像素的第二补偿信号、用于补偿蓝色子像素的第三补偿信号。
根据本公开的第三方面，提供了一种显示设备。所述显示设备包括：显示装置，其中，所述显示装置包括液晶显示装置、OLED显示装置、量子点显示装置或微LED显示装置；以及根据本公开的第二方面中的设备，其与所述显示装置耦接。
适应性的进一步的方面和范围从本文中提供的描述变得明显。应当理解，本申请的各个方面可以单独或者与一个或多个其它方面组合实施。还应当理解，本文中的描述和特定实施例旨在说明的目的，并不旨在限制本申请的范围。
附图说明
本文中描述的附图用于仅对所选择的实施例的说明的目的，并不是所有可能的实施方式，并且不旨在限制本申请的范围，其中：
图1是根据本公开的实施例的显示装置的示意性框图。
图2是根据本公开的实施例的显示装置所显示的图像的示意性框图。
图3是根据本公开的实施例的用于处理显示装置的显示信号的方法的示意性流程图。
图4是根据本公开的实施例的用于处理显示装置的显示信号的设备的示意性框图。
图5是根据本公开的实施例的显示设备的示意性框图。
具体实施方式
现将参考附图详细描述各种实施例，其作为本公开的示例性示例而提供，以使得本领域技术人员能够实现本公开。
值得注意的是，以下附图和示例并不意味着限制本公开的范围。在使用已知的组件(或方法或过程)可以部分或全部实现本公开的特定元件的情况下，将仅描述对理解本公开所需要的这种已知组件(或方法或过程)的那些部分，并且这种已知组件的其它部分的详细描述将被省略以便不会混淆本公开。进一步地，各种实施例通过说明的方式包含与在此涉及的组件等同的现在和未来已知的等同物。
除非上下文中另外明确地指出，否则在本文和所附权利要求中所使用的词语的单数形式包括复数，反之亦然。因而，当提及单数时，通常包括相应术语的复数。相似地，用语“包含”、“包括”、“含有”和“具有”及其语法变型旨在包括性的并且表示可以存在除所列要素之外的另外的要素。在本文中使用术语“示例”之处，特别是当其位于一组术语之后时，所述“示例”仅仅是示例性的和阐述性的，且不应当被认为是独占性的或广泛性的。术语“第一”、“第二”、“第三”等仅用于描述的目的，而不能理解为指示或暗示相对重要性及形成顺序。
当显示设备显示的图像快速切换时，施加在显示设备的显示像素上的 驱动电压(即，显示信号)也需要快速变化，以使得显示设备的亮度随着图像的变化而变化。然而，在驱动电压变化范围很大时，显示像素上的实际驱动电压无法达到目标驱动电压，因此，亮度无法达到目标亮度，最终产生拖影现象。
图1是根据本公开的实施例的显示装置的示意性框图。如图1所示，显示装置可包括至少一个显示区域12，显示区域12可包括至少一个显示像素122，其中，显示像素122在显示信号的驱动下进行发光。如图1所示，每个显示区域12中的显示像素122处于相同行。应当理解，显示区域可根据显示装置的显示需求进行划分，例如，可以将显示区域划分为使得每个显示区域12中的显示像素122处于相同列。
图2是根据本公开的实施例的显示装置所显示的图像的示意性框图。如图2所示，图像可包括至少一个图像区域22，每个图像区域22与图1所示的显示区域12一一对应，以使得每个显示区域12可用于显示对应的图像区域22。
图3是根据本公开的实施例的用于处理显示装置的显示信号的方法的示意性流程图。在本公开的实施例中，以图1中位于第一行的显示区域12为例来说明处理显示信号的过程。应当理解，在处理第一行的显示区域12的显示信号时，还可以并行处理其它显示区域的显示信号。
如图3所示，在框302中，确定与显示区域12对应的先前帧图像的图像区域的先前平均灰度值，以及确定与显示区域12对应的当前帧图像的图像区域的当前平均灰度值。在本公开的实施例中，当前帧图像为显示装置当前待显示的图像，先前帧图像为当前帧图像的已被显示的前一帧图像。
下面将详细说明如何确定先前平均灰度值。首先，计算与显示区域12对应的先前帧图像的图像区域中的所有图像像素的灰度值之和，然后，将所计算的和与该图像区域中的图像像素的数量的比值确定为先前平均灰度值。采用同样的方法，对于当前平均灰度值，首先，计算与显示区域12对应的当前帧图像的图像区域中的所有图像像素的灰度值之和，然后，将所计算的和与该图像区域中的图像像素的数量的比值确定为当前平均灰 度值。
继续参考图3，在框304中，比较先前平均灰度值与当前平均灰度值。在本公开的实施例中，可将先前平均灰度值与当前平均灰度值之间的差值确定为比较的结果。在该实施例中，比较的结果可包括以下三种情况：当前平均灰度值大于先前平均灰度值，当前平均灰度值小于先前平均灰度值，以及当前平均灰度值等于先前平均灰度值。
在框306中，基于比较的结果，确定用于显示区域12的补偿灰度值。在本公开的实施例中，如果当前平均灰度值大于先前平均灰度值，则将补偿灰度值确定为当前平均灰度值与先前平均灰度值的差值，如果当前平均灰度值小于或等于先前平均灰度值，则将补偿灰度值确定为零。
在框308中，基于补偿灰度值，确定补偿信号。在本公开的实施例中，补偿信号可由下式确定：补偿信号＝(补偿灰度值/(图像的灰度等级-1))×预定最大补偿信号。图像的灰度等级可根据图像的位数来确定，例如，对于8位的图像，图像的灰度等级为256。在本公开的实施例中，可预先设定最大补偿信号，例如，对于8位的图像，可将最大补偿信号预先设定为2V。在一个示例中，图像的灰度等级为256，预定最大补偿信号为2V，根据框306所确定的补偿灰度值为51，由上述公式可以确定补偿信号为0.4V。在该示例中，在显示当前帧图像时，可以将补偿信号0.4V补偿给第一行中的显示区域12的每个显示像素的显示信号。需要说明的是，在本公开中，每个显示像素的显示信号是根据待显示的图像的相应的图像像素的初始灰度值来确定的。
在本公开的实施例中，图2所示的图像的图像区域22可包括至少一个图像像素222，由于图像区域22与图1所示的显示区域12一一对应，因此，每个图像像素222与显示像素122一一对应。图像像素222可具有至少一个颜色分量224，根据上述方法，可以确定对应于每个颜色分量的补偿信号。
在一个示例中，颜色分量224包括红色分量、绿色分量、以及蓝色分量，其中，红色分量具有第一灰度值，绿色分量具有第二灰度值，蓝色分 量具有第三灰度值。相应地，图1所示的显示像素122可包括用于显示红色分量的红色子像素、用于显示绿色分量的绿色子像素和用于显示蓝色分量的蓝色子像素。用于驱动显示像素122的显示信号包括用于驱动红色子像素发光的第一显示信号、用于驱动绿色子像素发光的第二显示信号、用于驱动蓝色子像素发光的第三显示信号。
在上述示例中，先前平均灰度值包括红色分量的第一先前平均灰度值、绿色分量的第二先前平均灰度值、以及蓝色分量的第三先前平均灰度值，当前平均灰度值包括红色分量的第一当前平均灰度值、绿色分量的第二当前平均灰度值、以及蓝色分量的第三当前平均灰度值。
具体地，在框302中，确定先前平均灰度值包括：分别基于先前帧图像的图像区域的每个图像像素的红色分量的第一灰度值，确定红色分量的第一先前平均灰度值；基于先前帧图像的图像区域的每个图像像素的绿色分量的第二灰度值，确定绿色分量的第二先前平均灰度值；以及基于先前帧图像的图像区域的每个图像像素的蓝色分量的第三灰度值，确定蓝色分量的第三先前平均灰度值。类似地，确定当前平均灰度值包括：分别基于当前帧图像的图像区域的每个图像像素的红色分量的第一灰度值，确定红色分量的第一当前平均灰度值；基于当前帧图像的图像区域的每个图像像素的绿色分量的第二灰度值，确定绿色分量的第二当前平均灰度值；以及基于当前帧图像的图像区域的每个图像像素的蓝色分量的第三灰度值，确定蓝色分量的第三当前平均灰度值。
在框304中，比较先前平均灰度值与当前平均灰度值包括：分别比较红色分量的第一先前平均灰度值与第一当前平均灰度值，比较绿色分量的第二先前平均灰度值与第二当前平均灰度值，以及比较蓝色分量的第三先前平均灰度值与第三当前平均灰度值。
在上述示例中，补偿灰度值包括对应于第一灰度值的第一补偿灰度值、对应于第二灰度值的第二补偿灰度值、以及对应于第三灰度值的第三补偿灰度值。
具体地，在框306中，响应于当前平均灰度值大于先前平均灰度值， 确定用于显示区域的补偿灰度值包括：分别响应于红色分量的第一当前平均灰度值大于第一先前平均灰度值，将二者的差值的绝对值确定为红色分量的第一补偿灰度值；响应于绿色分量的第二当前平均灰度值大于第二先前平均灰度值，将二者的差值的绝对值确定为绿色分量的第二补偿灰度值；以及响应于蓝色分量的第三当前平均灰度值大于第三先前平均灰度值，将二者的差值的绝对值确定为蓝色分量的第三补偿灰度值。同样，响应于当前平均灰度值小于或等于先前平均灰度值，确定用于显示区域的补偿灰度值包括：分别响应于红色分量的第一当前平均灰度值小于或等于第一先前平均灰度值，将红色分量的第一补偿灰度值确定为零；响应于绿色分量的第二当前平均灰度值小于或等于第二先前平均灰度值，将绿色分量的第二补偿灰度值确定为零；以及响应于蓝色分量的第三当前平均灰度值小于或等于第三先前平均灰度值，将蓝色分量的第三补偿灰度值确定为零。
在上述示例中，补偿信号包括用于补偿红色子像素的第一补偿信号、用于补偿绿色子像素的第二补偿信号、以及用于补偿蓝色子像素的第三补偿信号。
具体地，在框308中，确定所述补偿信号包括：由上述补偿公式分别确定对应于红色分量的第一补偿信号，对应于绿色分量的第二补偿信号，以及对应于蓝色分量的第三补偿信号。将第一补偿信号补偿给显示区域12中的红色子像素的第一显示信号，将第二补偿信号补偿给显示区域12中的绿色子像素的第二显示信号，以及将第三补偿信号补偿给蓝色子像素的第三显示信号。
通过以上描述可以看出，采用根据本公开的实施例的方法，通过将补偿信号补偿给显示信号，可以改善实际驱动电压没有达到目标驱动电压所产生的拖影问题，提高显示效果，从而为用户提供更好的视觉体验。此外，对于当前平均灰度值小于或等于先前平均灰度值的图像像素，与该图像像素对应的显示像素并不被补偿，这样能够节省计算资源。
需要说明的是，图3所示的流程图仅仅用于示例，本领域的技术人员知道，可以对所示的流程图或其中描述的步骤进行各种变形。
图4是根据本公开的实施例的用于处理显示装置的显示信号的设备40的示意性框图。如图4所示，设备40包括一个或多个处理器402以及存储器404。存储器404与处理器402通过总线与I/O接口406耦接，并存储计算机程序指令。当计算机程序指令由处理器402执行时，设备40可执行如图3所示的处理显示装置的显示信号的方法的步骤。
在本公开的实施例中，显示装置可包括用于显示图像的至少一个显示区域，每个显示区域可包括至少一个显示像素，显示信号驱动显示像素发光，其中，图像可包括至少一个图像区域，至少一个图像区域与至少一个显示区域一一对应。
在本公开的实施例中，对于每个显示区域，设备40可确定对应于显示区域的先前帧图像的图像区域的先前平均灰度值和对应于显示区域的当前帧图像的图像区域的当前平均灰度值。
然后，设备40可比较先前平均灰度值与当前平均灰度值。
进一步地，设备40可基于比较的结果，确定用于显示区域的补偿灰度值。在本公开的实施例中，设备40可响应于当前平均灰度值大于先前平均灰度值，将补偿灰度值确定为当前平均灰度值与先前平均灰度值的差值；以及响应于当前平均灰度值小于或等于先前平均灰度值，将补偿灰度值确定为零。
然后，设备40可基于补偿灰度值，确定补偿信号，以在显示当前帧图像时补偿显示区域的显示像素的显示信号。在本公开的实施例中，设备40可由下式确定补偿信号：补偿信号＝(补偿灰度值/(图像的灰度等级-1))×预定最大补偿信号。
在本公开的实施例中，图像的图像区域可包括至少一个图像像素，图像像素具有至少一个颜色分量。具体地，设备40可确定对应于每个颜色分量的补偿信号。
在本公开的实施例中，至少一个颜色分量可包括具有第一灰度值的红色分量、具有第二灰度值的绿色分量、以及具有第三灰度值的蓝色分量。
在本公开的实施例中，先前平均灰度值可包括第一先前平均灰度值、 第二先前平均灰度值和第三先前平均灰度值，当前平均灰度值可包括第一当前平均灰度值、第二当前平均灰度值和第三当前平均灰度值。设备40可分别基于先前帧图像的图像区域的图像像素的第一灰度值、第二灰度值和第三灰度值，确定第一先前平均灰度值、第二先前平均灰度值和第三先前平均灰度值；以及分别基于当前帧图像的图像区域的图像像素的第一灰度值、第二灰度值和第三灰度值，确定第一当前平均灰度值、第二当前平均灰度值和第三当前平均灰度值。
在本公开的实施例中，补偿灰度值可包括对应于第一灰度值的第一补偿灰度值、对应于第二灰度值的第二补偿灰度值、以及对应于第三灰度值的第三补偿灰度值。
在本公开的实施例中，显示像素可包括红色子像素、绿色子像素和蓝色子像素，显示信号包括用于驱动红色子像素发光的第一显示信号、用于驱动绿色子像素发光的第二显示信号、用于驱动蓝色子像素发光的第三显示信号，补偿信号可包括用于补偿红色子像素的第一补偿信号、用于补偿绿色子像素的第二补偿信号、用于补偿蓝色子像素的第三补偿信号。
在本公开的实施例中，显示装置可以是液晶显示装置。可替换地，显示装置可以是有机发光二极管、量子点显示装置或微LED显示装置。
在本公开的实施例中，设备40可以被实现为单独的设备，或者可集成在显示装置中。
图5是根据本公开的实施例的显示设备50的示意性框图。如图5所示，显示设备50可包括显示装置502，以及与显示装置502耦接的图4所示的设备40。
以上为了说明和描述的目的提供了实施例的前述描述。其并不旨在是穷举的或者限制本申请。特定实施例的各个元件或特征通常不限于特定的实施例，但是，在合适的情况下，这些元件和特征是可互换的并且可用在所选择的实施例中，即使没有具体示出或描述。同样也可以以许多方式来改变。这种改变不能被认为脱离了本申请，并且所有这些修改都包含在本申请的范围内。

Claims (15)

  1. 一种用于处理显示装置的显示信号的方法，其中，所述显示装置包括用于显示图像的至少一个显示区域，每个显示区域包括至少一个显示像素，所述显示信号驱动所述显示像素发光，其中，所述图像包括至少一个图像区域，所述至少一个图像区域与所述至少一个显示区域一一对应，对于每个显示区域，所述方法包括：
    确定对应于所述显示区域的先前帧图像的所述图像区域的先前平均灰度值和对应于所述显示区域的当前帧图像的所述图像区域的当前平均灰度值；
    比较所述先前平均灰度值与所述当前平均灰度值；
    基于所述比较的结果，确定用于所述显示区域的补偿灰度值；以及
    基于所述补偿灰度值，确定补偿信号以在显示所述当前帧图像时补偿所述显示区域的所述显示像素的所述显示信号。
  2. 根据权利要求1所述的方法，其中，基于所述比较的结果，确定用于所述显示区域的补偿灰度值包括：
    响应于所述当前平均灰度值大于所述先前平均灰度值，将所述补偿灰度值确定为所述当前平均灰度值与所述先前平均灰度值的差值；以及
    响应于所述当前平均灰度值小于或等于所述先前平均灰度值，将所述补偿灰度值确定为零。
  3. 根据权利要求1或2所述的方法，其中，所述补偿信号由下式确定：所述补偿信号＝(所述补偿灰度值/(所述图像的灰度等级-1))×预定最大补偿信号。
  4. 根据权利要求3所述的方法，其中，所述图像的所述图像区域包括至少一个图像像素，所述图像像素具有至少一个颜色分量，其中，确定所述补偿信号包括：确定对应于每个颜色分量的补偿信号。
  5. 根据权利要求4所述的方法，其中，所述至少一个颜色分量包括具有第一灰度值的红色分量、具有第二灰度值的绿色分量、以及具有第三灰度值的蓝色分量。
  6. 根据权利要求5所述的方法，其中，所述先前平均灰度值包括第一先前平均灰度值、第二先前平均灰度值和第三先前平均灰度值，所述当前平均灰度值包括第一当前平均灰度值、第二当前平均灰度值和第三当前平均灰度值，
    其中，确定所述先前平均灰度值包括：
    分别基于所述先前帧图像的所述图像区域的所述图像像素的所述第一灰度值、所述第二灰度值和所述第三灰度值，确定所述第一先前平均灰度值、所述第二先前平均灰度值和所述第三先前平均灰度值；
    其中，确定所述当前平均灰度值包括：
    分别基于所述当前帧图像的所述图像区域的所述图像像素的所述第一灰度值、所述第二灰度值和所述第三灰度值，确定所述第一当前平均灰度值、所述第二当前平均灰度值和所述第三当前平均灰度值。
  7. 根据权利要求6所述的方法，其中，所述补偿灰度值包括对应于所述第一灰度值的第一补偿灰度值、对应于所述第二灰度值的第二补偿灰度值、以及对应于所述第三灰度值的第三补偿灰度值。
  8. 根据权利要求6所述的方法，其中，所述显示像素包括红色子像素、绿色子像素和蓝色子像素，所述显示信号包括用于驱动红色子像素发光的第一显示信号、用于驱动绿色子像素发光的第二显示信号、用于驱动蓝色子像素发光的第三显示信号，所述补偿信号包括用于补偿红色子像素的第一补偿信号、用于补偿绿色子像素的第二补偿信号、用于补偿蓝色子像素的第三补偿信号。
  9. 一种用于处理显示装置的显示信号的设备，其中，所述显示装置包括用于显示图像的至少一个显示区域，每个显示区域包括至少一个显示像素，所述显示信号驱动所述显示像素发光，其中，所述图像包括至少一个图像区域，所述至少一个图像区域与所述至少一个显示区域一一对应，所述设备包括：
    一个或多个处理器；
    存储器，其与所述处理器耦接，并存储有计算机程序指令，其中，所 述计算机程序指令在被所述处理器执行时使得所述设备：对于每个显示区域，
    确定对应于所述显示区域的先前帧图像的所述图像区域的先前平均灰度值和对应于所述显示区域的当前帧图像的所述图像区域的当前平均灰度值；
    比较所述先前平均灰度值与所述当前平均灰度值；
    基于所述比较的结果，确定用于所述显示区域的补偿灰度值；以及
    基于所述补偿灰度值，确定补偿信号以在显示所述当前帧图像时补偿所述显示区域的所述显示像素的所述显示信号。
  10. 根据权利要求9所述的设备，其中，所述计算机程序指令在被所述处理器执行时使得所述设备通过以下操作来基于所述比较的结果确定用于所述显示区域的补偿灰度值：
    响应于所述当前平均灰度值大于所述先前平均灰度值，将所述补偿灰度值确定为所述当前平均灰度值与所述先前平均灰度值的差值；以及
    响应于所述当前平均灰度值小于或等于所述先前平均灰度值，将所述补偿灰度值确定为零。
  11. 根据权利要求9或10所述的设备，其中，所述补偿信号由下式确定：所述补偿信号＝(所述补偿灰度值/(所述图像的灰度等级-1))×预定最大补偿信号。
  12. 根据权利要求11所述的设备，其中，所述图像的所述图像区域包括至少一个图像像素，所述图像像素具有至少一个颜色分量，其中，所述计算机程序指令在被所述处理器执行时使得所述设备通过以下操作来确定所述补偿信号：确定对应于每个颜色分量的补偿信号。
  13. 根据权利要求12所述的设备，其中，所述至少一个颜色分量包括具有第一灰度值的红色分量、具有第二灰度值的绿色分量、以及具有第三灰度值的蓝色分量。
  14. 根据权利要求13所述的设备，其中，所述先前平均灰度值包括第一先前平均灰度值、第二先前平均灰度值和第三先前平均灰度值，所述当 前平均灰度值包括第一当前平均灰度值、第二当前平均灰度值和第三当前平均灰度值，
    其中，所述计算机程序指令在被所述处理器执行时使得所述设备通过以下操作来确定所述先前平均灰度值：
    分别基于所述先前帧图像的所述图像区域的所述图像像素的所述第一灰度值、所述第二灰度值和所述第三灰度值，确定所述第一先前平均灰度值、所述第二先前平均灰度值和所述第三先前平均灰度值；
    其中，所述计算机程序指令在被所述处理器执行时使得所述设备通过以下操作来确定所述当前平均灰度值：
    分别基于所述当前帧图像的所述图像区域的所述图像像素的所述第一灰度值、所述第二灰度值和所述第三灰度值，确定所述第一当前平均灰度值、所述第二当前平均灰度值和所述第三当前平均灰度值，
    其中，所述补偿灰度值包括对应于所述第一灰度值的第一补偿灰度值、对应于所述第二灰度值的第二补偿灰度值、以及对应于所述第三灰度值的第三补偿灰度值，
    其中，所述显示像素包括红色子像素、绿色子像素和蓝色子像素，所述显示信号包括用于驱动红色子像素发光的第一显示信号、用于驱动绿色子像素发光的第二显示信号、用于驱动蓝色子像素发光的第三显示信号，所述补偿信号包括用于补偿红色子像素的第一补偿信号、用于补偿绿色子像素的第二补偿信号、用于补偿蓝色子像素的第三补偿信号。
  15. 一种显示设备，包括：
    显示装置，其中，所述显示装置包括液晶显示装置、OLED显示装置、量子点显示装置或微LED显示装置；以及
    根据权利要求9至14中任一项所述的设备，其与所述显示装置耦接。
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