WO2016045251A1 - 一种图像的显示方法及显示装置 - Google Patents

一种图像的显示方法及显示装置 Download PDF

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Publication number
WO2016045251A1
WO2016045251A1 PCT/CN2015/070350 CN2015070350W WO2016045251A1 WO 2016045251 A1 WO2016045251 A1 WO 2016045251A1 CN 2015070350 W CN2015070350 W CN 2015070350W WO 2016045251 A1 WO2016045251 A1 WO 2016045251A1
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Prior art keywords
pixel
image signal
sub
pixels
displayed
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English (en)
French (fr)
Inventor
金晓丹
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BOE Technology Group Co Ltd
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BOE Technology Group Co Ltd
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Priority to EP15748149.0A priority Critical patent/EP3200176B1/en
Priority to JP2017535946A priority patent/JP6657229B2/ja
Priority to KR1020157022648A priority patent/KR101717868B1/ko
Priority to US14/769,085 priority patent/US10467939B2/en
Publication of WO2016045251A1 publication Critical patent/WO2016045251A1/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
    • G09G3/2003—Display of colours
    • 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
    • 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]
    • 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
    • G09G3/34—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 by control of light from an independent source
    • G09G3/36—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 by control of light from an independent source using liquid crystals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6002—Corrections within particular colour systems
    • H04N1/6008—Corrections within particular colour systems with primary colour signals, e.g. RGB or CMY(K)
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0443—Pixel structures with several sub-pixels for the same colour in a pixel, not specifically used to display gradations
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/06—Colour space transformation

Definitions

  • the present invention relates to the field of display technologies, and in particular, to an image display method and a display device.
  • FIG. 1 a plurality of sub-pixels having different colors arranged in a matrix are provided, and generally three sub-pixels having different colors constitute one pixel (as shown by a thick line frame as shown in FIG. 1 ), wherein three The colors are red (R), green (G), and blue (B); or, four or more sub-pixels of different colors make up one pixel.
  • LED Light Emitting Diode
  • OLED Organic Light Emitting Diode
  • PDPs Plasma Display Panels
  • LCDs Liquid Crystal Displays
  • RGB signals are input to each sub-pixel in each pixel within a display time of one frame, and the flat panel display is determined according to the size determined by the size of the pixel. Rate the image display.
  • the method of reducing the pixel size is generally adopted to improve the resolution of the display image of the flat panel display.
  • the process of making flat panel displays is becoming more and more difficult. Therefore, the resolution of the display image of the flat panel display cannot be increased by continuously reducing the size of the pixel, and a new method for improving the resolution of the image displayed on the flat panel display needs to be sought.
  • an embodiment of the present invention provides an image display method and a display device for effectively improving the resolution of a display image of a flat panel display while ensuring normal display.
  • an embodiment of the present invention provides a method for displaying an image, including:
  • each pixel of the display panel comprises 2*2 pixels to form a repeating group, and each repeating group comprises 2 by B a pixel composed of Y sub-pixels and two pixels composed of R and G sub-pixels, and sub-pixels included between left and right or adjacent pixels are different;
  • the RGB image signals of the pixels of the received frame to be displayed are respectively converted into corresponding RG/BY image signals, including:
  • the RG/BY image signal is calculated by the following formula:
  • R represents the R image signal value of each pixel of the received frame to be displayed
  • G represents the G image signal value of each pixel of the received frame to be displayed
  • B represents the B image of each pixel of the received frame to be displayed.
  • two sub-pixels are arranged in a horizontal direction or diagonally in each pixel of the display panel.
  • the pixels according to the to-be-displayed frame correspond to Determining, by the RG/BY image signal, an image signal corresponding to a sub-pixel in each pixel of the display panel includes:
  • the image signal corresponding to the R sub-pixel is equal to the R image signal of the pixel in the corresponding converted frame to be displayed, and the image signal corresponding to the G sub-pixel is equal to the corresponding image.
  • the image signal corresponding to the Y sub-pixel is equal to the Y image signal of the pixel in the corresponding converted frame to be displayed
  • the image signal corresponding to the B sub-pixel is equal to the corresponding a mixed value of the B image signal of the pixel in the converted frame to be displayed and the B image signal in the RGB image signal of the original pixel in the frame to be displayed corresponding to the pixel adjacent to the left and right of the pixel in the repeating group.
  • the RG/BY image signal corresponding to each pixel of the frame includes:
  • the image signal corresponding to the G sub-pixel is equal to the G image signal of the pixel in the corresponding converted frame to be displayed, and the image signal corresponding to the R sub-pixel is equal to the corresponding image.
  • the image signal corresponding to the Y sub-pixel is equal to the Y image signal of the pixel in the corresponding converted frame to be displayed
  • the image signal corresponding to the B sub-pixel is equal to the corresponding a mixed value of the B image signal of the pixel in the converted frame to be displayed and the B image signal in the RGB image signal of the original pixel in the frame to be displayed corresponding to the pixel adjacent to the left and right of the pixel in the repeating group.
  • An embodiment of the present invention further provides a display device, including: a display panel and a driving device;
  • each repeating group includes 2 pixels composed of B and Y sub-pixels and 2 pixels composed of R and G sub-pixels, and left and right or adjacent The sub-pixels included between the pixels are different;
  • the driving device includes:
  • a receiving unit configured to receive an RGB image signal of each pixel of the frame to be displayed
  • a converting unit configured to separately convert the received RGB image signals of each pixel of the frame to be displayed into a corresponding RG/BY image signal
  • a determining unit configured to determine, according to the arrangement manner of the sub-pixels in each pixel of the display panel, the image signal corresponding to the sub-pixel in each pixel of the display panel according to the RG/BY image signal corresponding to each pixel of the frame to be displayed ;
  • a sending unit configured to send the determined image signal corresponding to the sub-pixels in each pixel of the display panel to the display panel for display.
  • the converting unit is specifically configured to calculate the RG/BY image signal by using the following formula:
  • R represents the R image signal value of each pixel of the received frame to be displayed
  • G represents the G image signal value of each pixel of the received frame to be displayed
  • B represents the B image of each pixel of the received frame to be displayed.
  • two sub-pixels are arranged in a horizontal direction or diagonally in each pixel of the display panel.
  • the determining unit determines the display by: An image signal corresponding to a sub-pixel in each pixel of the panel: in a pixel composed of R and G sub-pixels of each repeated group, an image signal corresponding to the R sub-pixel is equal to an R image of a pixel in the corresponding converted frame to be displayed a signal, the image signal corresponding to the G sub-pixel is equal to the G image signal of the pixel in the corresponding converted frame to be displayed;
  • the image signal corresponding to the Y sub-pixel is equal to the Y image signal of the pixel in the corresponding converted frame to be displayed
  • the image signal corresponding to the B sub-pixel is equal to the corresponding a mixed value of the B image signal of the pixel in the converted frame to be displayed and the B image signal in the RGB image signal of the original pixel in the frame to be displayed corresponding to the pixel adjacent to the left and right of the pixel in the repeating group.
  • the determining unit determines the An image signal corresponding to a sub-pixel in each pixel of the display panel: in a pixel composed of R and G sub-pixels of each repeated group, an image signal corresponding to the G sub-pixel is equal to a pixel of the corresponding converted frame to be displayed a G image signal, the image signal corresponding to the R sub-pixel is equal to the R image signal of the pixel in the corresponding converted frame to be displayed, and the original pixel in the frame to be displayed corresponding to one pixel adjacent to the left and right of the pixel in the repeating group a mixed value of the R image signal in the RGB image signal;
  • the image signal corresponding to the Y sub-pixel is equal to the Y image signal of the pixel in the corresponding converted frame to be displayed
  • the image signal corresponding to the B sub-pixel is equal to the corresponding a B-image signal of a pixel in the converted frame to be displayed and a mixed value of the B image signal in the RGB image signal of the original pixel in the frame to be displayed corresponding to one pixel adjacent to the left and right of the pixel in the repeating group.
  • the image display method and the display device provided by the embodiments of the present invention are based on the Hering color opposition mechanism theory, and two colors of RG and BY respectively are used to form two pixels, and in the display panel, 2*2 pixels constitute a repeating group, and each The repeating group consists of two pixels consisting of B and Y sub-pixels and two pixels consisting of R and G sub-pixels, and the left and right or adjacent images
  • the sub-pixels included between the elements are different, and the number of sub-pixels in each pixel is reduced relative to the existing arrangement of one or three sub-pixels, which can be improved under the same production precision.
  • the RG/BY image signal corresponding to each pixel of the frame is determined by determining an image signal corresponding to the sub-pixel in each pixel of the display panel, thereby ensuring normal display of the image and better restoring the image of the frame to be displayed.
  • 1 is a schematic view showing the arrangement of sub-pixels in a conventional flat panel display
  • FIG. 2 is a flowchart of a method for displaying an image according to an embodiment of the present invention
  • 3a is a schematic diagram of a pixel arrangement in a display panel according to an embodiment of the present invention.
  • FIG. 3b is a second schematic diagram of a pixel arrangement in a display panel according to an embodiment of the present disclosure
  • FIG. 4a is a detail view of the black and white line when the pixel shown in FIG. 3a is arranged to display an image
  • FIG. 4b is a detail view of the black and white line when the pixel shown in FIG. 3b is arranged to display an image
  • FIG. 5 is a schematic structural diagram of a display device according to an embodiment of the present invention.
  • An image display method provided by an embodiment of the present invention, as shown in FIG. 2, includes:
  • S202 Determine, according to the arrangement manner of the sub-pixels in each pixel of the display panel, the image signal corresponding to the sub-pixel in each pixel of the display panel according to the RG/BY image signal corresponding to each pixel of the received frame to be displayed; wherein, the display A repeating group is composed of 2*2 pixels in the panel, and each repeating group includes two pixels composed of B and Y sub-pixels and two pixels composed of R and G sub-pixels, and left and right or adjacent pixels.
  • the sub-pixels included are different;
  • each repeating group includes 2 pixels composed of B and Y sub-pixels and 2 pixels composed of R and G sub-pixels, and is included between left and right or adjacent pixels.
  • the sub-pixels are different, and the number of sub-pixels in each pixel is reduced relative to the existing arrangement of one pixel by three or more sub-pixels, and the resolution of the display image can be improved with equal fabrication precision.
  • the RG/BY image signal is determined by determining the image signal corresponding to the sub-pixel in each pixel of the display panel, thereby ensuring normal display of the image and better restoring the image of the frame to be displayed.
  • the yellow (Y) image signal is not directly included in the RGB image signal of each pixel of the received frame to be displayed, and therefore, the step S201 is received.
  • the minimum value between the R image signal and the G image signal may be specifically used as the Y image signal, and the brightness of the Y image signal is used.
  • the R image signal or the G image signal with a smaller value is compensated to increase the brightness of the display.
  • one RG/BY image signal can be obtained from two RGB image signals, that is, one RGB image signal generates an RG image signal, and the other RGB image signal generates a BY image signal, and can be calculated by the following formula.
  • RG/BY image signal :
  • the arrangement of the sub-pixels in each pixel of the display panel may be specifically two types: one of the two sub-pixels in each pixel is as shown in FIG. 3a.
  • the horizontal arrangement is as shown in Fig. 3b, and the two sub-pixels in each pixel are arranged diagonally.
  • the pixel structure of the sub-pixels arranged diagonally with respect to the horizontally arranged sub-pixels since the number of sub-pixels on the same horizontal line is relatively small, can be reduced for high-precision metal during fabrication
  • the requirements of the FMM are favorable for production and production. That is, with the same FMM precision, the pixel arrangement shown in FIG. 3b can be used to produce a display panel with higher resolution.
  • Figures 3a and 3b only show a repeating group of 2*2 pixels, the left and right pixels in each repeating group can be interchanged, and two sub-pixels in each pixel
  • the relative positions are also interchangeable, and only need to satisfy each repeating group comprising two pixels consisting of B and Y sub-pixels and two pixels consisting of R and G sub-pixels, and between left and right or adjacent pixels.
  • the requirements for the sub-pixels included are different.
  • the display method provided by the embodiment of the present invention can be applied to an organic light emitting diode (OLED) display or a liquid crystal display (LCD).
  • OLED organic light emitting diode
  • LCD liquid crystal display
  • 3a and 3b are taken as an example of a pixel arrangement applied to an OLED display panel. It can be seen that the RG/BY light-emitting area corresponding to each sub-pixel area does not fill the entire sub-pixel area, and The luminous efficiency of the luminescent layer can set the size of the area occupied by the RG/BY illuminating region. It is generally considered that the blue light is the weakest, the red light is weak, the green light is strong, the yellow light is near the green light, and the light-emitting area with poor light-emitting efficiency is large.
  • the unfilled part in FIG. 3a and FIG. 3b is a schematic diagram of the corresponding light-emitting area, and can be seen. The area occupied by the light-emitting area is from large
  • step S202 when step S202 is performed, that is, according to the arrangement manner of sub-pixels in each pixel of the display panel, RG/BY corresponding to each pixel of the frame to be displayed is performed.
  • the image signal can be divided into two types according to the arrangement manner of the sub-pixels in each pixel when determining the image signal corresponding to the sub-pixels in each pixel of the display panel:
  • the image signal corresponding to the R sub-pixel is equal to the R image signal of the pixel in the corresponding converted frame to be displayed, and the image signal corresponding to the G sub-pixel is equal to the corresponding image.
  • the image signal corresponding to the Y sub-pixel is equal to the Y image signal of the pixel in the corresponding converted frame to be displayed
  • the image signal corresponding to the B sub-pixel is equal to the corresponding a mixed value of the B image signal of the pixel in the converted frame to be displayed and the B image signal in the RGB image signal of the original pixel in the frame to be displayed corresponding to one pixel adjacent to the left and right sides of the pixel in the repeated group, for example
  • the blend value is the average. That is, when two sub-pixels are arranged laterally as shown in FIG. 3a in each pixel of the display panel, only the B image signal is the original image corresponding to the B image signal in the pixel in which it is located and one pixel adjacent to the pixel. The B image signal in the middle is obtained simultaneously.
  • the image to be displayed is composed of M*N RGB pixels, due to passing 1 RGB image
  • the image signal can obtain one RG image signal or one BY image signal, so after conversion, it corresponds to M*N RG/BY pixels, and the display panel has M*N/2 RG pixels and M*N/2 BY pixels, and the display panel and the image of the frame to be displayed can be divided into i*j repeating groups, and each repeating group has 2*2 pixels.
  • the image signals R_P(i1, j1) and R_P(i2, j2) corresponding to the R sub-pixels in the pixels of coordinates (i1, j1) and (i2, j2) are respectively equal to the corresponding converted to-be-displayed.
  • the image signals G_P(i1, j1) and G_P(i2, j2) corresponding to the G sub-pixels in the pixels of coordinates (i1, j1) and (i2, j2) are respectively equal to the corresponding converted to-be-displayed.
  • the image signals Y_P(i1, j2) and Y_P(i2, j1) corresponding to the Y sub-pixels in the pixels of coordinates (i1, j2) and (i2, j1) are respectively equal to the corresponding converted to-be-displayed.
  • the image signal B_P(i1, j2) corresponding to the B sub-pixel in the pixel of the coordinate (i1, j2) is equal to the B image signal B_O(i1, j2) of the pixel in the corresponding converted frame to be displayed.
  • the image signal B_P(i2, j1) corresponding to the B sub-pixel in the pixel of the coordinate (i2, j1) is equal to the B image signal B_O(i2, j1) and the phase of the pixel in the corresponding converted frame to be displayed.
  • B_P(i2, j1) (B_O(i2, j1) + B(i2, j2)) /2.
  • the image signal is equal to the image signal of the corresponding sub-pixel in the corresponding converted frame to be displayed, that is, the output is directly equal to the input, for example, R, G, and Y sub-pixels
  • the other case is that the image signal corresponding to the sub-pixel is equal to the corresponding a mixed value of the image signal of the corresponding sub-pixel in the converted frame to be displayed and the corresponding sub-pixel image signal in the original pixel corresponding to one pixel adjacent to the pixel in the repeating group, that is, the corresponding input
  • the image signal of the sub-pixel is mixed with the sub-pixel of the corresponding color in the original pixel corresponding to one pixel adjacent to the pixel in the repeating group to obtain an image signal corresponding to
  • the image signal corresponding to the G sub-pixel is equal to the G image signal of the pixel in the corresponding converted frame to be displayed, and the image signal corresponding to the R sub-pixel is equal to the corresponding image.
  • a mixed value of the R image signal of the pixel in the converted frame to be displayed and the R image signal in the RGB image signal of the original pixel in the to-be-displayed frame corresponding to one pixel adjacent to the pixel in the repeated group for example
  • the mixed value is the average value;
  • the image signal corresponding to the Y sub-pixel is equal to the Y image signal of the pixel in the corresponding converted frame to be displayed
  • the image signal corresponding to the B sub-pixel is equal to the corresponding a mixed value of the B image signal of the pixel in the converted frame to be displayed and the B image signal in the RGB image signal of the original pixel in the frame to be displayed corresponding to one pixel adjacent to the left and right sides of the pixel in the repeated group, for example
  • the blend value is the average. That is, when two sub-pixels are arranged diagonally as shown in FIG.
  • the B image signal and the R image are both B image signals or R image signals in the pixel in which they are located and are associated with the pixel.
  • the B image signal or the R image signal in the original pixel corresponding to the adjacent pixel is simultaneously obtained.
  • the image to be displayed is composed of M*N RGB pixels. Since one RGB image signal or one BY image signal can be obtained by one RGB image signal, the corresponding M*N RG/BY pixels are converted after conversion.
  • the display panel has M*N/2 RG pixels and M*N/2 BY pixels, and the display panel and the image of the frame to be displayed can be divided into i*j repeating groups, in each repeating group. There are 2*2 pixels.
  • the image signal R_P(i1, j1) corresponding to the R sub-pixel in the pixel of the coordinate (i1, j1) is equal to the R image signal R_O(i1, j1) of the pixel in the corresponding converted frame to be displayed.
  • R_P(i2, j2) (R(i2, j1) + R_O(i2, j2)) /2.
  • the image signals Y_P(i1, j2) and Y_P(i2, j1) corresponding to the Y sub-pixels in the pixels of coordinates (i1, j2) and (i2, j1) are respectively equal to the corresponding converted to-be-displayed.
  • the image signal B_P(i1, j2) corresponding to the B sub-pixel in the pixel of the coordinate (i1, j2) is equal to the B image signal B_O(i1, j2) of the pixel in the corresponding converted frame to be displayed.
  • the image signal B_P(i2, j1) corresponding to the B sub-pixel in the pixel of the coordinate (i2, j1) is equal to the B image signal B_O(i2, j1) and the phase of the pixel in the corresponding converted frame to be displayed.
  • B_P(i2, j1) (B_O(i2, j1) + B(i2, j2)) /2.
  • the image signal corresponding to the pixel is equal to the image signal of the corresponding sub-pixel in the corresponding converted frame to be displayed, that is, the output is directly equal to the input, for example, the G and Y sub-pixels, and the other case is that the image signal corresponding to the sub-pixel is equal to the corresponding
  • the image signal of the sub-pixel is mixed with the sub-pixel of the corresponding color in the original pixel corresponding to one pixel adjacent to the pixel in the repeating group to obtain an image signal corresponding to the sub-pixel
  • an embodiment of the present invention further provides an image display device. Since the principle of solving the problem is similar to the display method of the foregoing image, the implementation of the device can be referred to the implementation of the method. No longer.
  • the embodiment of the present invention further provides a display device, as shown in FIG. 5, comprising: a display panel 51 and a driving device 52;
  • a repeating group is composed of 2*2 pixels, and each repeating group includes two pixels composed of B and Y sub-pixels and two pixels composed of R and G sub-pixels, and left and right or upper and lower phases.
  • the sub-pixels included in the adjacent pixels are different;
  • the driving device 52 includes:
  • the receiving unit 521 is configured to receive an RGB image signal of each pixel of the frame to be displayed;
  • the converting unit 522 is configured to separately convert the RGB image signals of the received pixels of the to-be-displayed frame into corresponding RG/BY image signals;
  • the determining unit 523 is configured to determine, according to the arrangement manner of the sub-pixels in each pixel of the display panel, the image signal corresponding to the sub-pixel in each pixel of the display panel according to the RG/BY image signal corresponding to each pixel of the frame to be displayed;
  • the sending unit 524 is configured to send the image signal corresponding to the sub-pixels in each pixel of the determined display panel to the display panel for display.
  • the converting unit 522 in the foregoing display device provided by the embodiment of the present invention is specifically configured to calculate an RG/BY image signal by using the following formula:
  • R represents the R image signal value of each pixel of the received frame to be displayed
  • G represents the G image signal value of each pixel of the received frame to be displayed
  • B represents the B image of each pixel of the received frame to be displayed.
  • two sub-pixels are arranged in a horizontal direction or diagonally in each pixel of the display panel 51.
  • the determining unit 523 determines the sub-pixel corresponding to each pixel of the display panel by: Image signal: in a pixel composed of R and G sub-pixels of each repeated group, an image signal corresponding to the R sub-pixel is equal to an R image signal of a pixel in the corresponding converted frame to be displayed, and an image signal corresponding to the G sub-pixel a G image signal equal to a pixel in the corresponding converted frame to be displayed;
  • the image signal corresponding to the Y sub-pixel is equal to the Y image signal of the pixel in the corresponding converted frame to be displayed
  • the image signal corresponding to the B sub-pixel is equal to the corresponding a B image signal of a pixel in the converted frame to be displayed and an original pixel in the frame to be displayed corresponding to one pixel adjacent to the left and right sides of the pixel in the repeating group A mixed value of B image signals in RGB image signals.
  • the determining unit 523 determines the sub-pixels in each pixel of the display panel by: Corresponding image signal: in the pixel composed of the R and G sub-pixels of each repeated group, the image signal corresponding to the G sub-pixel is equal to the G image signal of the pixel in the corresponding converted frame to be displayed, and the R sub-pixel corresponds to The image signal is equal to the R image signal of the pixel in the corresponding converted frame to be displayed and the R image signal in the RGB image signal of the original pixel in the frame to be displayed corresponding to one pixel adjacent to the left and right of the pixel in the repeating group Mixed value
  • the image signal corresponding to the Y sub-pixel is equal to the Y image signal of the pixel in the corresponding converted frame to be displayed
  • the image signal corresponding to the B sub-pixel is equal to the corresponding a mixed value of the B image signal of the pixel in the converted frame to be displayed and the B image signal in the RGB image signal of the original pixel in the frame to be displayed corresponding to the pixel adjacent to the left and right of the pixel in the repeating group.
  • the embodiments of the present invention may be implemented by hardware, or may be implemented by means of software plus a necessary general hardware platform.
  • the technical solution of the embodiment of the present invention may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a USB flash drive, a mobile hard disk, etc.).
  • a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform the methods described in various embodiments of the present invention.
  • modules in the apparatus in the embodiments may be distributed in the apparatus of the embodiment according to the description of the embodiments, or the corresponding changes may be located in one or more apparatuses different from the embodiment.
  • the modules of the above embodiments may be combined into one module, or may be further split into multiple sub-modules.
  • left and right and up and down as referred to herein are not intended to limit the direction or positioning of the fixation, and “left and right” or “up and down” are relative to different reference directions.
  • “left and right” in the lateral coordinate may correspond to “up and down” in the longitudinal coordinate
  • “up and down” in the longitudinal coordinate may also correspond to “left and right” in the lateral coordinate.
  • the image display method and the display device provided by the embodiments of the present invention are based on the Hering color opposition mechanism theory, and two colors of RG and BY respectively are used to form two pixels, and in the display panel, 2*2 pixels constitute a repeating group, and each The repeating group includes two pixels composed of B and Y sub-pixels and two pixels composed of R and G sub-pixels, and the sub-pixels included between the left and right or adjacent pixels are different from each other.
  • Some three or more sub-pixels constitute a pixel arrangement, which reduces the number of sub-pixels in each pixel, can improve the resolution of the display image with the same production precision; and because the frame to be displayed will be received
  • the display panel is determined according to the RG/BY image signals corresponding to the pixels of the frame to be displayed according to the arrangement manner of the sub-pixels in each pixel of the display panel.
  • the image signal corresponding to the sub-pixel in each pixel is displayed later, which can ensure the normal display of the image and better restore the image of the frame to be displayed.

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Abstract

一种图像的显示方法及显示装置，在显示面板中由2*2个像素构成重复组，每个重复组包含2个由R和Y子像素组成的像素以及2个由R和G子像素组成的像素，且左右或上下相邻的像素之间所包含的子像素各不相同，相对于由3个或者更多子像素构成一像素的排列方式，减少了每个像素中子像素的数量，可以在同等制作精度下提高显示图像的分辨率；并且由于将接收到的待显示帧的各像素的RGB图像信号分别转换为对应的RGBY图像信号后，按照显示面板的各像素中子像素的排列方式，根据待显示帧的各像素对应的RGBY图像信号，确定显示面板的各像素中子像素对应的图像信号后进行显示，可以保证图像的正常显示，更好地还原待显示帧的图像。

Description

一种图像的显示方法及显示装置 技术领域
本发明涉及显示技术领域，尤其涉及一种图像的显示方法及显示装置。
背景技术
在现有的发光二极管(Light Emitting Diode，LED)显示器、有机发光二极管(Organic Light Emitting Diode，OLED)显示器、等离子显示器(Plasma Display Panel，PDP)及液晶显示器(Liquid Crystal Display，LCD)等平板显示器中，如图1所示，设置有呈矩阵排列的颜色不同的多个子像素，一般三个颜色不同的子像素组成一个像素(如图1所示的粗线框所示)，其中，三个颜色为红色(R)、绿色(G)和蓝色(B)；或者，四个或更多个颜色不同的子像素组成一个像素。在平板显示器中的每个像素包含三个颜色不同的子像素时，在一帧的显示时间内，对每个像素中的各子像素输入RGB信号，平板显示器会按照由像素的尺寸决定的分辨率进行图像显示。
目前，随着对平板显示器显示图像的分辨率的要求越来越高，一般采用减小像素尺寸的方式来提高平板显示器显示图像的分辨率。然而，随着像素的尺寸越来越小，制作平板显示器的工艺难度越来越大。因此，不能单一地通过不断减小像素的尺寸来提高平板显示器显示图像的分辨率，而需要寻求一种新的提高平板显示器显示图像的分辨率的方法。
因此，如何在保证正常显示的情况下，有效地提高平板显示器显示图像的分辨率，是本领域技术人员亟需解决的技术问题。
发明内容
有鉴于此，本发明实施例提供了一种图像的显示方法及显示装置，用以在保证正常显示的情况下，有效地提高平板显示器显示图像的分辨率。
因此，本发明实施例提供了一种图像的显示方法，包括：
将接收到的待显示帧的各像素的RGB图像信号分别转换为对应的RG/BY图像信号；
按照显示面板的各像素中子像素的排列方式，根据待显示帧的各像素 对应的所述RG/BY图像信号，确定所述显示面板的各像素中子像素对应的图像信号；其中，显示面板中由2*2个像素构成重复组，每个重复组包含2个由B和Y子像素组成的像素以及2个由R和G子像素组成的像素，且左右或上下相邻的像素之间所包含的子像素各不相同；
将确定出的所述显示面板的各像素中子像素对应的图像信号发送到所述显示面板进行显示。
在一种可能的实现方式中，在本发明实施例提供的上述显示方法中，所述将接收到的待显示帧的各像素的RGB图像信号分别转换为对应的RG/BY图像信号，包括：
通过下述公式计算所述RG/BY图像信号：
R_O＝R，G_O＝G，B_O＝B，Y_O＝min(R，G)；
其中，R表示接收到的待显示帧的各像素的R图像信号值；G表示接收到的待显示帧的各像素的G图像信号值；B表示接收到的待显示帧的各像素的B图像信号值；R_O表示转换后的各像素的R图像信号值；G_O表示转换后的各像素的G图像信号值；B_O表示转换后的各像素的B图像信号值；Y_O表示转换后的各像素的Y图像信号值。
在一种可能的实现方式中，在本发明实施例提供的上述显示方法中，在所述显示面板的各像素中两个子像素呈横向排布或呈对角线排布。
在一种可能的实现方式中，在本发明实施例提供的上述显示方法中，在所述显示面板的各像素中两个子像素呈横向排布时，所述根据待显示帧的各像素对应的所述RG/BY图像信号确定所述显示面板的各像素中子像素对应的图像信号包括：
在每个重复组的由R和G子像素组成的像素中，R子像素对应的图像信号等于对应的转换后的待显示帧中像素的R图像信号，G子像素对应的图像信号等于对应的转换后的待显示帧中像素的G图像信号；
在每个重复组的由B和Y子像素组成的像素中，Y子像素对应的图像信号等于对应的转换后的待显示帧中像素的Y图像信号，B子像素对应的图像信号等于对应的转换后的待显示帧中像素的B图像信号和在所述重复组中与该像素左右相邻的一个像素所对应的待显示帧中原像素的RGB图像信号中的B图像信号的混合值。
在一种可能的实现方式中，在本发明实施例提供的上述显示方法中，在所述显示面板的各像素中两个子像素呈对角线排布时，所述根据待显示 帧的各像素对应的所述RG/BY图像信号确定所述显示面板的各像素中子像素对应的图像信号包括：
在每个重复组的由R和G子像素组成的像素中，G子像素对应的图像信号等于对应的转换后的待显示帧中像素的G图像信号，R子像素对应的图像信号等于对应的转换后的待显示帧中像素的R图像信号和在所述重复组中与该像素左右相邻的一个像素对应的待显示帧中原像素的RGB图像信号中的R图像信号的混合值；
在每个重复组的由B和Y子像素组成的像素中，Y子像素对应的图像信号等于对应的转换后的待显示帧中像素的Y图像信号，B子像素对应的图像信号等于对应的转换后的待显示帧中像素的B图像信号和在所述重复组中与该像素左右相邻的一个像素所对应的待显示帧中原像素的RGB图像信号中的B图像信号的混合值。
本发明实施例还提供了一种显示装置，包括：显示面板和驱动装置；
所述显示面板中由2*2个像素构成重复组，每个重复组包含2个由B和Y子像素组成的像素以及2个由R和G子像素组成的像素，且左右或上下相邻的像素之间所包含的子像素各不相同；
所述驱动装置，包括：
接收单元，用于接收待显示帧的各像素的RGB图像信号；
转换单元，用于将接收到的待显示帧的各像素的RGB图像信号分别转换为对应的RG/BY图像信号；
确定单元，用于按照显示面板的各像素中子像素的排列方式，根据待显示帧的各像素对应的所述RG/BY图像信号，确定所述显示面板的各像素中子像素对应的图像信号；
发送单元，用于将确定出的所述显示面板的各像素中子像素对应的图像信号发送到所述显示面板进行显示。
在一种可能的实现方式中，在本发明实施例提供的上述显示装置中，所述转换单元，具体用于通过下述公式计算所述RG/BY图像信号：
R_O＝R，G_O＝G，B_O＝B，Y_O＝min(R，G)；
其中，R表示接收到的待显示帧的各像素的R图像信号值；G表示接收到的待显示帧的各像素的G图像信号值；B表示接收到的待显示帧的各像素的B图像信号值；R_O表示转换后的各像素的R图像信号值；G_O表示转换后的各像素的G图像信号值；B_O表示转换后的各像素的B图 像信号值；Y_O表示转换后的各像素的Y图像信号值。
在一种可能的实现方式中，在本发明实施例提供的上述显示装置中，在所述显示面板的各像素中两个子像素呈横向排布或呈对角线排布。
在一种可能的实现方式中，在本发明实施例提供的上述显示装置中，在所述显示面板的各像素中两个子像素呈横向排布时，所述确定单元通过如下来确定所述显示面板的各像素中子像素对应的图像信号：在每个重复组的由R和G子像素组成的像素中，R子像素对应的图像信号等于对应的转换后的待显示帧中像素的R图像信号，G子像素对应的图像信号等于对应的转换后的待显示帧中像素的G图像信号；
在每个重复组的由B和Y子像素组成的像素中，Y子像素对应的图像信号等于对应的转换后的待显示帧中像素的Y图像信号，B子像素对应的图像信号等于对应的转换后的待显示帧中像素的B图像信号和在所述重复组中与该像素左右相邻的一个像素所对应的待显示帧中原像素的RGB图像信号中的B图像信号的混合值。
在一种可能的实现方式中，在本发明实施例提供的上述显示装置中，在所述显示面板的各像素中两个子像素呈对角线排布时，所述确定单元通过如下来确定所述显示面板的各像素中子像素对应的图像信号：在每个重复组的由R和G子像素组成的像素中，G子像素对应的图像信号等于对应的转换后的待显示帧中像素的G图像信号，R子像素对应的图像信号等于对应的转换后的待显示帧中像素的R图像信号和在所述重复组中与该像素左右相邻的一个像素所对应的待显示帧中原像素的RGB图像信号中的R图像信号的混合值；
在每个重复组的由B和Y子像素组成的像素中，Y子像素对应的图像信号等于对应的转换后的待显示帧中像素的Y图像信号，B子像素对应的图像信号等于对应的转换后的待显示帧中像素的B图像信号和在所述重复组中与该像素左右相邻的一个像素对应的待显示帧中原像素的RGB图像信号中的B图像信号的混合值。
本发明实施例的有益效果包括：
本发明实施例提供的上述图像的显示方法及显示装置，基于Hering颜色对立机制理论，采用RG和BY四色分别构成两个像素，且在显示面板中由2*2个像素构成重复组，每个重复组包含2个由B和Y子像素组成的像素以及2个由R和G子像素组成的像素，且左右或上下相邻的像 素之间所包含的子像素各不相同，相对于现有的由3个或者更多子像素构成一像素的排列方式，减少了每个像素中子像素的数量，可以在同等制作精度下提高显示图像的分辨率；并且由于将接收到的待显示帧的各像素的RGB图像信号分别转换为对应的RG/BY图像信号后，按照显示面板的各像素中子像素的排列方式，根据待显示帧的各像素对应的RG/BY图像信号，确定显示面板的各像素中子像素对应的图像信号之后进行显示，可以保证图像的正常显示，更好地还原待显示帧的图像。
附图说明
图1为现有的平板显示器中各子像素的排布示意图；
图2为本发明实施例提供的图像的显示方法的流程图；
图3a为本发明实施例提供的显示面板中的像素排布示意图之一；
图3b为本发明实施例提供的显示面板中的像素排布示意图之二；
图4a为图3a所示的像素排布在进行显示图像时的黑白线细节图；
图4b为图3b所示的像素排布在进行显示图像时的黑白线细节图；
图5为本发明实施例提供的显示装置的结构示意图。
具体实施方式
下面结合附图，对本发明实施例提供的图像的显示方法及显示装置的具体实施方式进行详细地说明。
本发明实施例提供的一种图像的显示方法，如图2所示，包括：
S201、将接收到的待显示帧的各像素的RGB图像信号分别转换为对应的RG/BY图像信号；
S202、按照显示面板的各像素中子像素的排列方式，根据接收到的待显示帧的各像素对应的RG/BY图像信号，确定显示面板的各像素中子像素对应的图像信号；其中，显示面板中由2*2个像素构成重复组，每个重复组包含2个由B和Y子像素组成的像素以及2个由R和G子像素组成的像素，且左右或上下相邻的像素之间所包含的子像素各不相同；
S203、将确定出的显示面板的各像素中子像素对应的图像信号发送到显示面板进行显示。
在本发明实施例提供的上述图像的显示方法中，基于Hering颜色对立机制理论，采用RG和BY四色分别构成两个像素，且在显示面板中由 2*2个像素构成重复组，每个重复组包含2个由B和Y子像素组成的像素以及2个由R和G子像素组成的像素，且左右或上下相邻的像素之间所包含的子像素各不相同，相对于现有的由3个或者更多子像素构成一像素的排列方式，减少了每个像素中子像素的数量，可以在同等制作精度下提高显示图像的分辨率；并且由于将接收到的待显示帧的各像素的RGB图像信号分别转换为对应的RG/BY图像信号后，按照显示面板的各像素中子像素的排列方式，根据待显示帧的各像素对应的RG/BY图像信号，确定显示面板的各像素中子像素对应的图像信号之后进行显示，可以保证图像的正常显示，更好地还原待显示帧的图像。
在具体实施时，本发明实施例提供的上述显示方法中由于接收到的待显示帧的各像素的RGB图像信号中并不直接包括黄色(Y)图像信号，因此，在执行步骤S201将接收到的待显示帧的各像素的RGB图像信号分别转换为对应的RG/BY图像信号时，可以具体采用将R图像信号和G图像信号之间的最小值作为Y图像信号，使用Y图像信号对亮度值较小的R图像信号或者G图像信号进行补偿，以提升显示的亮度。在本实施例中，可以由2个RGB图像信号得到1个RG/BY图像信号，即其中一个RGB图像信号产生RG图像信号，另一个RGB图像信号产生BY图像信号，并可以采用如下公式计算获得RG/BY图像信号：
R_O＝R，G_O＝G，B_O＝B，Y_O＝min(R，G)；其中，R表示接收到的待显示帧的各像素的R图像信号值；G表示接收到的待显示帧的各像素的G图像信号值；B表示接收到的待显示帧的各像素的B图像信号值；R_O表示转换后的各像素的R图像信号值；G_O表示转换后的各像素的G图像信号值；B_O表示转换后的各像素的B图像信号值；Y_O表示转换后的各像素的Y图像信号值。
在具体实施时，在本发明实施例提供的上述显示方法中，显示面板的各像素中子像素的排列方式具体可以有两种：一种如图3a所示为各像素中的两个子像素呈横向排布，另一种如图3b所示为各像素中的两个子像素呈对角线排布。其中，设置为呈对角线排布的子像素相对于横向排布的子像素的像素结构，由于在同一水平线上的子像素个数相对较小，因此，在制作时可以降低对于高精度金属掩膜板(FMM，Fine Metal Mask)的要求，有利于生产制作，即在同等的FMM精度下，采用图3b所示的像素排布，可以制作出分辨率更高的显示面板。
值得注意的是，图3a和图3b仅示出了一个由2*2个像素构成的重复组，在各重复组中的左右两个像素可以互换，且在每个像素中的两个子像素的相对位置也可以互换，仅需要满足每个重复组包含2个由B和Y子像素组成的像素以及2个由R和G子像素组成的像素，且左右或上下相邻的像素之间所包含的子像素各不相同的要求即可。
并且，本发明实施例提供的上述显示方法在具体实施时，可以应用于有机发光二极管(Organic Light Emitting Diode，OLED)显示器，也可以应用于液晶显示器(Liquid Crystal Display，LCD)中。图3a和图3b是以应用于OLED显示面板时的像素排布为例进行说明的，可以看出，在各子像素区域对应的RG/BY发光区域并未充满整个子像素区域，且依据各发光层的发光效率，可以设置RG/BY发光区域所占面积的大小。一般认为蓝光最弱，红光次弱，绿光较强，黄光在绿光附近，发光效率差的发光区域大，图3a和图3b中未填充部分为对应的发光区域的示意图，可以看出发光区域所占面积由大到小为：B＞＝R＞Y＞＝G。
在具体实施时，在本发明实施例提供的上述显示方法中，在执行步骤S202时，即在按照显示面板的各像素中子像素的排列方式，根据待显示帧的各像素对应的RG/BY图像信号，确定显示面板的各像素中子像素对应的图像信号时，可以根据各像素中子像素的排列方式分为两种：
第一种，在显示面板的各像素中的两个子像素如图3a所示呈横向排布时：
在每个重复组的由R和G子像素组成的像素中，R子像素对应的图像信号等于对应的转换后的待显示帧中像素的R图像信号，G子像素对应的图像信号等于对应的转换后的待显示帧中像素的G图像信号；
在每个重复组的由B和Y子像素组成的像素中，Y子像素对应的图像信号等于对应的转换后的待显示帧中像素的Y图像信号，B子像素对应的图像信号等于对应的转换后的待显示帧中像素的B图像信号和在所述重复组中与该像素左右相邻的一个像素所对应的待显示帧中原像素的RGB图像信号中的B图像信号的混合值，例如混合值为平均值。即在显示面板的各像素中两个子像素如图3a所示呈横向排布时，只有B图像信号是由其所在的像素中B图像信号和与该像素相邻的一个像素所对应的原像素中的B图像信号同时作用获得。
设待显示帧的图像由M*N个RGB像素组成，由于通过1个RGB图 像信号可得到1个RG图像信号或者1个BY图像信号，所以经过转换后对应为M*N个RG/BY像素，显示面板中具有M*N/2个RG像素和M*N/2个BY像素，且可以将显示面板以及待显示帧的图像分为i*j个重复组构成，每个重复组中有2*2个像素。
在图3a中，坐标为(i1，j1)和(i2，j2)的像素中R子像素对应的图像信号R_P(i1，j1)和R_P(i2，j2)分别等于对应的转换后的待显示帧中像素的R图像信号R_O(i1，j1)和R_O(i2，j2)，即R_P(i1，j1)＝R_O(i1，j1)，R_P(i2，j2)＝R_O(i2，j2)。
在图3a中，坐标为(i1，j1)和(i2，j2)的像素中G子像素对应的图像信号G_P(i1，j1)和G_P(i2，j2)分别等于对应的转换后的待显示帧中像素的G图像信号G_O(i1，j1)和G_O(i2，j2)，即G_P(i1，j1)＝G_O(i1，j1)，G_P(i2，j2)＝G_O(i2，j2)。
在图3a中，坐标为(i1，j2)和(i2，j1)的像素中Y子像素对应的图像信号Y_P(i1，j2)和Y_P(i2，j1)分别等于对应的转换后的待显示帧中像素的Y图像信号Y_O(i1，j2)和Y_O(i2，j1)，即Y_P(i1，j2)＝Y_O(i1，j2)；Y_P(i2，j1)＝Y_O(i2，j1)。
在图3a中，坐标为(i1，j2)的像素中B子像素对应的图像信号B_P(i1，j2)等于对应的转换后的待显示帧中像素的B图像信号B_O(i1，j2)和相邻像素RG所对应的原像素的RGB图像信号中的B图像信号B(i1，j1)的平均值，即B_P(i1，j2)＝(B(i1，j1)+B_O(i1，j2))/2；坐标为(i2，j1)的像素中B子像素对应的图像信号B_P(i2，j1)等于对应的转换后的待显示帧中像素的B图像信号B_O(i2，j1)和相邻像素RG所对应的原像素的RGB图像信号中的B图像信号B(i2，j2)的平均值，即B_P(i2，j1)＝(B_O(i2，j1)+B(i2，j2))/2。
也就是说，在显示面板的各像素中的两个子像素呈横向排布的情况下，确定显示面板的各像素中子像素对应的图像信号时可以有两种情形，一种情形是子像素对应的图像信号等于对应的转换后的待显示帧中相应的子像素的图像信号，即输出直接等于输入，例如，R、G和Y子像素，另一种情形是子像素对应的图像信号等于对应的转换后的待显示帧中相应的子像素的图像信号和在所述重复组中与该像素相邻的一个像素所对应的原像素中相应的子像素图像信号的混合值，即将输入的相应的子像素的图像信号和在重复组中与该像素相邻的一个像素所对应的原像素中相应颜色的子像素进行混色后得到子像素对应的图像信号，例如B子像素。
通过对图3a所示的像素排布进行复杂画面显示可知其显示效果依然可以满足观看，另对其进行黑白线测试可知，如图4a所示，黑白线细节依然可以保证分辨率。
第二种，在显示面板的各像素中两个子像素如图3b所示呈对角线排布时：
在每个重复组的由R和G子像素组成的像素中，G子像素对应的图像信号等于对应的转换后的待显示帧中像素的G图像信号，R子像素对应的图像信号等于对应的转换后的待显示帧中像素的R图像信号和在所述重复组中与该像素左右相邻的一个像素所对应的待显示帧中原像素的RGB图像信号中的R图像信号的混合值，例如混合值为平均值；
在每个重复组的由B和Y子像素组成的像素中，Y子像素对应的图像信号等于对应的转换后的待显示帧中像素的Y图像信号，B子像素对应的图像信号等于对应的转换后的待显示帧中像素的B图像信号和在所述重复组中与该像素左右相邻的一个像素所对应的待显示帧中原像素的RGB图像信号中的B图像信号的混合值，例如混合值为平均值。即在显示面板的各像素中两个子像素如图3b所示呈对角线排布时，B图像信号和R图像均由其所在的像素中的B图像信号或R图像信号和与该像素相邻的像素所对应的原像素中B图像信号或R图像信号同时作用获得。
设待显示帧的图像由M*N个RGB像素组成，由于通过1个RGB图像信号可得到1个RG图像信号或者1个BY图像信号，所以经过转换后对应为M*N个RG/BY像素，而显示面板中具有M*N/2个RG像素和M*N/2个BY像素，且可以将显示面板以及待显示帧的图像分为i*j个重复组构成，每个重复组中有2*2个像素。
在图3b中，坐标为(i1，j1)的像素中R子像素对应的图像信号R_P(i1，j1)等于对应的转换后的待显示帧中像素的R图像信号R_O(i1，j1)和相邻像素BY所对应的原像素的RGB图像信号中的R图像信号R(i1，j2)的平均值，即R_P(i1，j1)＝(R_O(i1，j1)+R(i1，j2))/2；坐标为(i2，j2)的像素中R子像素对应的图像信号R_P(i2，j2)等于对应的转换后的待显示帧中像素的R图像信号R_O(i2，j2)和相邻像素BY所对应的原像素的RGB图像信号中的R图像信号R(i2，j1)的平均值，即R_P(i2，j2)＝(R(i2，j1)+R_O(i2，j2))/2。
在图3b中，坐标为(i1，j1)和(i2，j2)的像素中G子像素对应的 图像信号G_P(i1，j1)和G_P(i2，j2)分别等于对应的转换后的待显示帧中像素的G图像信号G_O(i1，j1)和G_O(i2，j2)，即G_P(i1，j1)＝G_O(i1，j1)，G_P(i2，j2)＝G_O(i2，j2)。
在图3b中，坐标为(i1，j2)和(i2，j1)的像素中Y子像素对应的图像信号Y_P(i1，j2)和Y_P(i2，j1)分别等于对应的转换后的待显示帧中像素的Y图像信号Y_O(i1，j2)和Y_O(i2，j1)，即Y_P(i1，j2)＝Y_O(i1，j2)；Y_P(i2，j1)＝Y_O(i2，j1)。
在图3b中，坐标为(i1，j2)的像素中B子像素对应的图像信号B_P(i1，j2)等于对应的转换后的待显示帧中像素的B图像信号B_O(i1，j2)和相邻像素RG所对应的原像素的RGB图像信号中的B图像信号B(i1，j1)的平均值，即B_P(i1，j2)＝(B(i1，j1)+B_O(i1，j2))/2；坐标为(i2，j1)的像素中B子像素对应的图像信号B_P(i2，j1)等于对应的转换后的待显示帧中像素的B图像信号B_O(i2，j1)和相邻像素RG所对应的原像素的RGB图像信号中的B图像信号B(i2，j2)的平均值，即B_P(i2，j1)＝(B_O(i2，j1)+B(i2，j2))/2。
也就是说，在显示面板的各像素中的两个子像素呈对角线排布的情况下，确定显示面板的各像素中子像素对应的图像信号时可以有两种情形，一种情形是子像素对应的图像信号等于对应的转换后的待显示帧中相应的子像素的图像信号，即输出直接等于输入，例如，G和Y子像素，另一种情形是子像素对应的图像信号等于对应的转换后的待显示帧中相应的子像素的图像信号和在所述重复组中与该像素相邻的像素所对应的原像素中相应的子像素的图像信号的混合值，即将输入的相应的子像素的图像信号和在重复组中与该像素相邻的一个像素所对应的原像素中相应颜色的子像素进行混色后得到子像素对应的图像信号，例如R和B子像素。
通过对图3b所示的像素排布进行复杂画面显示可知其显示效果依然可以满足观看，另对其进行黑白线测试可知，如图4b所示，黑白线细节依然可以保证分辨率。
基于同一发明构思，本发明实施例还提供了一种图像的显示装置，由于该装置解决问题的原理与前述一种图像的显示方法相似，因此该装置的实施可以参见方法的实施，重复之处不再赘述。
本发明实施例还提供了一种显示装置，如图5所示，包括：显示面板51和驱动装置52；其中，
在显示面板51中，由2*2个像素构成重复组，每个重复组包含2个由B和Y子像素组成的像素以及2个由R和G子像素组成的像素，且左右或上下相邻的像素之间所包含的子像素各不相同；
驱动装置52，包括：
接收单元521，用于接收待显示帧的各像素的RGB图像信号；
转换单元522，用于将接收到的待显示帧的各像素的RGB图像信号分别转换为对应的RG/BY图像信号；
确定单元523，用于按照显示面板的各像素中子像素的排列方式，根据待显示帧的各像素对应的所述RG/BY图像信号，确定显示面板的各像素中子像素对应的图像信号；
发送单元524，用于将确定出的显示面板的各像素中子像素对应的图像信号发送到显示面板进行显示。
在具体实施时，本发明实施例提供的上述显示装置中的转换单元522，具体用于通过下述公式计算RG/BY图像信号：
R_O＝R，G_O＝G，B_O＝B，Y_O＝min(R，G)；
其中，R表示接收到的待显示帧的各像素的R图像信号值；G表示接收到的待显示帧的各像素的G图像信号值；B表示接收到的待显示帧的各像素的B图像信号值；R_O表示转换后的各像素的R图像信号值；G_O表示转换后的各像素的G图像信号值；B_O表示转换后的各像素的B图像信号值；Y_O表示转换后的各像素的Y图像信号值。
在具体实施时，本发明实施例提供的上述显示装置中，在显示面板51的各像素中两个子像素呈横向排布或呈对角线排布。
在具体实施时，本发明实施例提供的上述显示装置中，在显示面板51的各像素中两个子像素呈横向排布时，确定单元523通过如下来确定显示面板的各像素中子像素对应的图像信号：在每个重复组的由R和G子像素组成的像素中，R子像素对应的图像信号等于对应的转换后的待显示帧中像素的R图像信号，G子像素对应的图像信号等于对应的转换后的待显示帧中像素的G图像信号；
在每个重复组的由B和Y子像素组成的像素中，Y子像素对应的图像信号等于对应的转换后的待显示帧中像素的Y图像信号，B子像素对应的图像信号等于对应的转换后的待显示帧中像素的B图像信号和在所述重复组中与该像素左右相邻的一个像素所对应的待显示帧中原像素的 RGB图像信号中的B图像信号的混合值。
在具体实施时，本发明实施例提供的上述显示装置中，在显示面板51的各像素中两个子像素呈对角线排布时，确定单元523通过如下来确定显示面板的各像素中子像素对应的图像信号：在每个重复组的由R和G子像素组成的像素中，G子像素对应的图像信号等于对应的转换后的待显示帧中像素的G图像信号，R子像素对应的图像信号等于对应的转换后的待显示帧中像素的R图像信号和在所述重复组中与该像素左右相邻的一个像素所对应的待显示帧中原像素的RGB图像信号中的R图像信号的混合值；
在每个重复组的由B和Y子像素组成的像素中，Y子像素对应的图像信号等于对应的转换后的待显示帧中像素的Y图像信号，B子像素对应的图像信号等于对应的转换后的待显示帧中像素的B图像信号和在所述重复组中与该像素左右相邻的一个像素所对应的待显示帧中原像素的RGB图像信号中的B图像信号的混合值。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到本发明实施例可以通过硬件实现，也可以借助软件加必要的通用硬件平台的方式来实现。基于这样的理解，本发明实施例的技术方案可以以软件产品的形式体现出来，该软件产品可以存储在一个非易失性存储介质(可以是CD-ROM，U盘，移动硬盘等)中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例所述的方法。
本领域技术人员可以理解附图只是一个优选实施例的示意图，附图中的模块或流程并不一定是实施本发明所必须的。
本领域技术人员可以理解实施例中的装置中的模块可以按照实施例描述进行分布于实施例的装置中，也可以进行相应变化位于不同于本实施例的一个或多个装置中。上述实施例的模块可以合并为一个模块，也可以进一步拆分成多个子模块。
上述本发明实施例序号仅仅为了描述，不代表实施例的优劣。
另外，需要说明的是，本文提到的术语“左右”和“上下”并不是为了限制固定的方向或定位，“左右”或“上下”是相对于不同的参考方向而言的。例如，横向坐标中的“左右”可对应于纵向坐标上的“上下”，纵向坐标中的“上下”也可对应于横向坐标中的“左右”。
本发明实施例提供的上述图像的显示方法及显示装置，基于Hering颜色对立机制理论，采用RG和BY四色分别构成两个像素，且在显示面板中由2*2个像素构成重复组，每个重复组包含2个由B和Y子像素组成的像素以及2个由R和G子像素组成的像素，且左右或上下相邻的像素之间所包含的子像素各不相同，相对于现有的由3个或者更多子像素构成一像素的排列方式，减少了每个像素中子像素的数量，可以在同等制作精度下提高显示图像的分辨率；并且由于将接收到的待显示帧的各像素的RGB图像信号分别转换为对应的RG/BY图像信号后，按照显示面板的各像素中子像素的排列方式，根据待显示帧的各像素对应的RG/BY图像信号，确定显示面板的各像素中子像素对应的图像信号之后进行显示，可以保证图像的正常显示，更好地还原待显示帧的图像。
显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (10)

  1. 一种图像的显示方法，包括：
    将接收到的待显示帧的各像素的RGB图像信号分别转换为对应的RG/BY图像信号；
    按照显示面板的各像素中子像素的排列方式，根据待显示帧的各像素对应的所述RG/BY图像信号，确定所述显示面板的各像素中子像素对应的图像信号；其中，在所述显示面板中，由2*2个像素构成重复组，每个重复组包含2个由B和Y子像素组成的像素以及2个由R和G子像素组成的像素，且左右或上下相邻的像素之间所包含的子像素各不相同；
    将确定出的所述显示面板的各像素中子像素对应的图像信号发送到所述显示面板进行显示。
  2. 如权利要求1所述的方法，其中所述将接收到的待显示帧的各像素的RGB图像信号分别转换为对应的RG/BY图像信号，包括：
    通过下述公式计算所述RG/BY图像信号：
    R_O＝R，G_O＝G，B_O＝B，Y_O＝min(R，G)；
    其中，R表示接收到的待显示帧的各像素的R图像信号值；G表示接收到的待显示帧的各像素的G图像信号值；B表示接收到的待显示帧的各像素的B图像信号值；R_O表示转换后的各像素的R图像信号值；G_O表示转换后的各像素的G图像信号值；B_O表示转换后的各像素的B图像信号值；Y_O表示转换后的各像素的Y图像信号值。
  3. 如权利要求1所述的方法，其中在所述显示面板的各像素中两个子像素呈横向排布或呈对角线排布。
  4. 如权利要求3所述的方法，其中在所述显示面板的各像素中两个子像素呈横向排布时，所述根据待显示帧的各像素对应的所述RG/BY图像信号确定所述显示面板的各像素中子像素对应的图像信号包括：
    在每个重复组的由R和G子像素组成的像素中，R子像素对应的图像信号等于对应的转换后的待显示帧中像素的R图像信号，G子像素对应的图像信号等于对应的转换后的待显示帧中像素的G图像信号；
    在每个重复组的由B和Y子像素组成的像素中，Y子像素对应的图像信号等于对应的转换后的待显示帧中像素的Y图像信号，B子像素对应的图像信号等于对应的转换后的待显示帧中像素的B图像信号和在所述 重复组中与该像素左右相邻的一个像素所对应的待显示帧中原像素的所述RGB图像信号中的B图像信号的混合值。
  5. 如权利要求3所述的方法，其中在所述显示面板的各像素中两个子像素呈对角线排布时，所述根据待显示帧的各像素对应的所述RG/BY图像信号确定所述显示面板的各像素中子像素对应的图像信号包括：
    在每个重复组的由R和G子像素组成的像素中，G子像素对应的图像信号等于对应的转换后的待显示帧中像素的G图像信号，R子像素对应的图像信号等于对应的转换后的待显示帧中像素的R图像信号和在所述重复组中与该像素左右相邻的一个像素所对应的待显示帧中原像素的所述RGB图像信号中的R图像信号的混合值；
    在每个重复组的由B和Y子像素组成的像素中，Y子像素对应的图像信号等于对应的转换后的待显示帧中像素的Y图像信号，B子像素对应的图像信号等于对应的转换后的待显示帧中像素的B图像信号和在所述重复组中与该像素左右相邻的一个像素所对应的待显示帧中原像素的所述RGB图像信号中的B图像信号的混合值。
  6. 一种显示装置，包括：显示面板和驱动装置；
    其中在所述显示面板中，由2*2个像素构成重复组，每个重复组包含2个由B和Y子像素组成的像素以及2个由R和G子像素组成的像素，且左右或上下相邻的像素之间所包含的子像素各不相同；
    所述驱动装置，包括：
    接收单元，用于接收待显示帧的各像素的RGB图像信号；
    转换单元，用于将接收到的待显示帧的各像素的RGB图像信号分别转换为对应的RG/BY图像信号；
    确定单元，用于按照所述显示面板的各像素中子像素的排列方式，根据待显示帧的各像素对应的所述RG/BY图像信号，确定所述显示面板的各像素中子像素对应的图像信号；
    发送单元，用于将确定出的所述显示面板的各像素中子像素对应的图像信号发送到所述显示面板进行显示。
  7. 如权利要求6所述的显示装置，其中所述转换单元具体用于通过下述公式计算所述RG/BY图像信号：
    R_O＝R，G_O＝G，B_O＝B，Y_O＝min(R，G)；
    其中，R表示接收到的待显示帧的各像素的R图像信号值；G表示接 收到的待显示帧的各像素的G图像信号值；B表示接收到的待显示帧的各像素的B图像信号值；R_O表示转换后的各像素的R图像信号值；G_O表示转换后的各像素的G图像信号值；B_O表示转换后的各像素的B图像信号值；Y_O表示转换后的各像素的Y图像信号值。
  8. 如权利要求6所述的显示装置，其中在所述显示面板的各像素中两个子像素呈横向排布或呈对角线排布。
  9. 如权利要求8所述的显示装置，其中在所述显示面板的各像素中两个子像素呈横向排布时，所述确定单元通过如下来确定所述显示面板的各像素中子像素对应的图像信号：在每个重复组的由R和G子像素组成的像素中，R子像素对应的图像信号等于对应的转换后的待显示帧中像素的R图像信号，G子像素对应的图像信号等于对应的转换后的待显示帧中像素的G图像信号；
    在每个重复组的由B和Y子像素组成的像素中，Y子像素对应的图像信号等于对应的转换后的待显示帧中像素的Y图像信号，B子像素对应的图像信号等于对应的转换后的待显示帧中像素的B图像信号和在所述重复组中与该像素左右相邻的一个像素所对应的待显示帧中原像素的所述RGB图像信号中的B图像信号的混合值。
  10. 如权利要求8所述的显示装置，其中在所述显示面板的各像素中两个子像素呈对角线排布时，所述确定单元通过如下来确定所述显示面板的各像素中子像素对应的图像信号：在每个重复组的由R和G子像素组成的像素中，G子像素对应的图像信号等于对应的转换后的待显示帧中像素的G图像信号，R子像素对应的图像信号等于对应的转换后的待显示帧中像素的R图像信号和在所述重复组中与该像素左右相邻的一个像素所对应的待显示帧中原像素的所述RGB图像信号中的R图像信号的混合值；
    在每个重复组的由B和Y子像素组成的像素中，Y子像素对应的图像信号等于对应的转换后的待显示帧中像素的Y图像信号，B子像素对应的图像信号等于对应的转换后的待显示帧中像素的B图像信号和在所述重复组中与该像素左右相邻的一个像素所对应的待显示帧中原像素的所述RGB图像信号中的B图像信号的混合值。
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