WO2021031376A1 - 显示面板的图像处理方法及显示面板 - Google Patents

显示面板的图像处理方法及显示面板 Download PDF

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Publication number
WO2021031376A1
WO2021031376A1 PCT/CN2019/116130 CN2019116130W WO2021031376A1 WO 2021031376 A1 WO2021031376 A1 WO 2021031376A1 CN 2019116130 W CN2019116130 W CN 2019116130W WO 2021031376 A1 WO2021031376 A1 WO 2021031376A1
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Prior art keywords
thin film
display panel
film transistor
edge
scan control
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Application number
PCT/CN2019/116130
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English (en)
French (fr)
Inventor
蔡振飞
Original Assignee
深圳市华星光电半导体显示技术有限公司
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Priority to US16/624,394 priority Critical patent/US20210280133A1/en
Publication of WO2021031376A1 publication Critical patent/WO2021031376A1/zh

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Classifications

    • 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]
    • G09G3/3225—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] using an active matrix
    • G09G3/3258—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] using an active matrix with pixel circuitry controlling the voltage across the light-emitting element
    • 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]
    • G09G3/3225—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] using an active matrix
    • G09G3/3233—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] using an active matrix with pixel circuitry controlling the current through the light-emitting element
    • 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]
    • G09G3/3225—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] using an active matrix
    • 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]
    • G09G3/3275—Details of drivers for data electrodes
    • G09G3/3291—Details of drivers for data electrodes in which the data driver supplies a variable data voltage for setting the current through, or the voltage across, the light-emitting elements
    • 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
    • G09G3/3406—Control of illumination source
    • 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
    • G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/0809—Several active elements per pixel in active matrix panels
    • G09G2300/0819—Several active elements per pixel in active matrix panels used for counteracting undesired variations, e.g. feedback or autozeroing
    • 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
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    • G09G2300/0809—Several active elements per pixel in active matrix panels
    • G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
    • G—PHYSICS
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    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
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    • G09G2300/0809—Several active elements per pixel in active matrix panels
    • G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
    • G09G2300/0861—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select electrodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
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    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
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    • G09G2320/0673—Adjustment of display parameters for control of gamma adjustment, e.g. selecting another gamma curve
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
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    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0686—Adjustment of display parameters with two or more screen areas displaying information with different brightness or colours

Definitions

  • This application relates to the field of display technology, and in particular to an image processing method of a display panel and a display panel.
  • the special-shaped display panel refers to a display panel with a non-rectangular display area.
  • pixels are arranged along the boundary line at the irregular edge to better coincide with the boundary line at the irregular edge.
  • each pixel in the display panel includes a plurality of sub-pixels in a rectangular structure, in order to ensure the integrity of the plurality of sub-pixels, the plurality of sub-pixels in each pixel cannot be completely matched with the boundary line at the irregular edge. There will be jagged gaps, which will cause the displayed picture to have a display jagged problem at the irregular edges of the display area, which will further affect the visual effect of the display panel.
  • the present application provides an image processing method of a display panel and a display panel, which can eliminate the display jagged problem of the displayed picture at the irregular edge of the display area, so as to solve the existing image processing method and display panel of the display panel.
  • the present application provides an image processing method of a display panel, the method includes:
  • S10 Provide a display panel having at least one abnormal-shaped edge display area. Edge pixels located in the abnormal-shaped edge display area are input with output enable signals, first scan control light emitting signals, and data signals. The first scan control The light-emitting signal controls the data signal to correspondingly output a first gamma voltage group on the edge pixels;
  • the output enable signal is partially shielded from the first scan control light-emitting signal, and a second scan control light-emitting signal is output.
  • the second scan control light-emitting signal controls the data signal to correspond to the edge pixel Output the second gamma voltage group;
  • the display panel displays an image based on the value of the second gamma voltage group in a display area located at the edge of the irregular shape.
  • the edge shape of the irregular edge display area is rounded corners.
  • the first gamma voltage group outputs the same gamma voltage value in each pixel row of the edge pixel.
  • the second gamma voltage group outputs a different gamma voltage value in each pixel row of the edge pixel.
  • the S20 further includes:
  • the display panel further includes a pixel driving circuit
  • the pixel driving circuit includes a first thin film transistor (T1), a second thin film transistor (T2), and a third Thin film transistor (T3), storage capacitor (C1), organic light emitting diode (OLED), data signal terminal (Data), scan control light emitting signal terminal (Em), power supply voltage (VDD), and power supply negative (VSS).
  • the source of the first thin film transistor (T1) is electrically connected to the power supply voltage (VDD), and the first thin film transistor (T1)
  • the gate is electrically connected to the scan control light emitting signal terminal (Em)
  • the drain of the first thin film transistor (T1) is electrically connected to the source of the second thin film transistor (T2)
  • the second The gate of the thin film transistor (T2) is electrically connected to the drain of the third thin film transistor (T3) and the storage capacitor (C1)
  • the drain of the second thin film transistor (T2) is electrically connected to all
  • the source of the third thin film transistor (T3) is electrically connected to the data signal terminal (Data)
  • the cathode of) is electrically connected to the negative pole (VSS) of the power supply.
  • the edge shape of the irregular edge display area is rounded.
  • the display panel further includes a pixel driving circuit, and the pixel driving circuit includes a first thin film transistor (T1), a second thin film transistor (T2), and a third thin film transistor (T3).
  • the pixel driving circuit includes a first thin film transistor (T1), a second thin film transistor (T2), and a third thin film transistor (T3).
  • a storage capacitor (C1) an organic light emitting diode (OLED), a data signal terminal (Data), a scan control light emitting signal terminal (Em), a power supply voltage (VDD) and a power supply negative pole (VSS);
  • the first thin film transistor The source of T1) is electrically connected to the power supply voltage (VDD), the gate of the first thin film transistor (T1) is electrically connected to the scan control light emitting signal terminal (Em), and the first thin film transistor
  • the drain of (T1) is electrically connected to the source of the second thin film transistor (T2), and the gate of the second thin film transistor (T2) is electrically connected to the drain
  • the storage capacitor (C1), the drain of the second thin film transistor (T2) is electrically connected to the storage capacitor (C1) and the anode of the organic light emitting diode (OLED), the third thin film The source of the transistor (T3) is electrically connected to the data signal terminal (Data), and the cathode of the organic light emitting diode (OLED) is electrically connected to the negative pole of the power supply (VSS).
  • FIG. 1 is a flowchart of an image processing method of a display panel of the present application.
  • FIG. 2 is a schematic diagram of some electrical signals in the image processing method of the display panel of the present application.
  • FIG. 3 is a circuit diagram of a pixel in the image processing method of the display panel of the present application.
  • This application is directed to the existing image processing method of the display panel and the display panel. Since the multiple sub-pixels in each pixel in the display panel and the boundary line at the irregular edge have jagged gaps, the displayed picture is in the display area. There may be a display jagged problem at the irregular edge, which further affects the visual effect of the display panel. This embodiment can solve the problem.
  • FIG. 1 it is a flowchart of the image processing method of the display panel of this application.
  • the method includes:
  • S10 Provide a display panel having at least one abnormal-shaped edge display area. Edge pixels located in the abnormal-shaped edge display area are input with output enable signals, first scan control light emitting signals, and data signals. The first scan control The light-emitting signal controls the data signal to correspondingly output a first gamma voltage group on the edge pixel.
  • the S10 further includes:
  • a display panel with at least one irregular edge display area A plurality of pixels are arranged in the display area of the display panel, and each pixel is provided with a switching element. Lines are connected, the switching element is turned on by receiving the scan signal of the scan line, and the pixel is driven to display a certain gray scale by receiving the data signal of the data line.
  • the switching element of different pixels is connected to different combinations of scan lines and data lines, so that each pixel can Independent light.
  • a plurality of edge pixels are arranged in the irregular edge display area, and the edge shape of the irregular edge display area is rounded corners.
  • An output enable signal (OE), a first scan control light emission signal (EM), and a data signal (Data) are input to the edge pixels in the irregular edge display area, and the output enable signal (OE) is determined by the timing sequence.
  • the controller generates, the first scan control light emission signal (EM) controls the data signal (Data) to correspondingly output a first gamma voltage group on the edge pixels.
  • the first gamma voltage group outputs the same gamma voltage value in each pixel row of the edge pixel.
  • the S20 further includes:
  • the output enable signal (OE) is partially shielded from the first scan control luminescence signal (EM) corresponding to a plurality of edge pixel rows, and different edge pixel rows correspond to The shielding pulse width of the first scan control luminescence signal (EM) is different. The amount of the shielded pulse width is determined by the curvature of the irregular edge display area.
  • the output enable signal (OE) is logically operated with the first scan control light emission signal (EM) corresponding to each edge pixel row, and the second scan control light emission signal (EM) corresponding to each edge pixel row is output.
  • the second scanning control luminescence signal (EM") correspondingly outputs a second gamma voltage group on the edge pixels.
  • the value of the gamma voltage output by the second gamma voltage group in each pixel row of the edge pixel is different, and the gamma voltage level in the second gamma voltage group is determined by the curvature of the irregular edge display area. Decided.
  • the S30 further includes:
  • the display panel displays an image based on the value of the second gamma voltage group in the abnormal-shaped edge display area.
  • the first scan control light emission signal (EM) includes a first scan control first row light emission signal (EM1), a first scan control first row light emission signal (EM2) And the first scan controls the third row light-emitting signal (EM3); the first scan controls the first row light-emitting signal (EM1) after being blocked by the output enable signal (OE), and then outputs the second scan control first-row light-emitting signal (EM1) ");
  • the first scan control second row light-emitting signal (EM2) is blocked by the output enable signal (OE) and then outputs the second scan control second row light-emitting signal (EM2”); the first scan control
  • the third row of light emitting signal (EM3) is blocked by the output enable signal (OE) and then the second scan control third row of light emitting signal (EM3") is output.
  • the pixel circuit diagram in the image processing method of the display panel of this application As shown in FIG. 3, the pixel circuit diagram in the image processing method of the display panel of this application.
  • the display panel further includes a pixel driving circuit
  • the pixel driving circuit includes a first thin film transistor (T1), a second thin film transistor (T2), a third thin film transistor (T3), a storage capacitor (C1), and organic light emitting Diode (OLED), data signal terminal (Data), scan control light emitting signal terminal (Em), power supply voltage (VDD), and power supply negative terminal (VSS).
  • T1 first thin film transistor
  • T2 second thin film transistor
  • T3 a third thin film transistor
  • C1 storage capacitor
  • OLED organic light emitting Diode
  • Data data signal terminal
  • Em scan control light emitting signal terminal
  • VDD power supply voltage
  • VDD power supply negative terminal
  • the source of the first thin film transistor (T1) is electrically connected to the power supply voltage (VDD), and the gate of the first thin film transistor (T1) is connected to the scan control light emitting signal terminal (Em) Electrically connected
  • the drain of the first thin film transistor (T1) is electrically connected to the source of the second thin film transistor (T2)
  • the gate of the second thin film transistor (T2) is electrically connected to the
  • the drain of the third thin film transistor (T3) and the storage capacitor (C1), and the drain of the second thin film transistor (T2) is electrically connected to the storage capacitor (C1) and the organic light emitting diode ( OLED)
  • the source of the third thin film transistor (T3) is electrically connected to the data signal terminal (Data)
  • the cathode of the organic light emitting diode (OLED) is electrically connected to the negative electrode of the power supply (VSS) ).
  • the present application also provides a display panel.
  • the display panel includes a display area and a non-display area adjacent to the display area, the display area includes at least one irregular edge area, and the irregular edge area includes a plurality of edge pixels
  • the display panel inputs an output enable signal and a scan control light-emitting signal in the irregular edge area, and the output enable signal partially shields the scan control light-emitting signal corresponding to a plurality of edge pixel rows.
  • the edge shape of the irregular edge display area is rounded corners.
  • the display panel further includes a pixel drive circuit including a first thin film transistor (T1), a second thin film transistor (T2), a third thin film transistor (T3), a storage capacitor (C1), an organic Light emitting diode (OLED), data signal terminal (Data), scan control light emitting signal terminal (Em), power supply voltage (VDD) and power supply negative electrode (VSS); the source of the first thin film transistor (T1) and the power supply The voltage (VDD) is electrically connected, the gate of the first thin film transistor (T1) is electrically connected to the scan control light emitting signal terminal (Em), and the drain of the first thin film transistor (T1) is electrically connected to the The source of the second thin film transistor (T2) is electrically connected, and the gate of the second thin film transistor (T2) is electrically connected to the drain of the third thin film transistor (T3) and the storage capacitor (C1) , The drain of the second thin film transistor (T2) is electrically connected to the storage capacitor (C1) and the anode of the organic light emitting
  • the image processing method of the display panel and the display panel provided in the present application partially block the input output enable signal to the scan control light emitting signal corresponding to multiple edge pixel rows in the irregular edge display area, The brightness compensation of the pixels in the irregular edge display area is realized, and the jagged problem in the irregular edge display area is further eliminated.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electroluminescent Light Sources (AREA)
  • Control Of El Displays (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

一种显示面板的图像处理方法及显示面板，包括至少一个异形边缘显示区的显示面板将位于所述异形边缘显示区内的边缘像素输入的输出使能信号对与其对应的扫描控制发光信号进行部分遮挡，实现了异形边缘显示区处像素的亮度补偿，进一步消除了在异形边缘显示区内存在的锯齿问题。

Description

显示面板的图像处理方法及显示面板 技术领域
本申请涉及显示技术领域，尤其涉及一种显示面板的图像处理方法及显示面板。
 背景技术
随着显示技术的飞速发展，各种异型显示面板广泛应用于电子设备中。异形显示面板是指具有非矩形显示区域的显示面板。对于具有非矩形显示区域的显示面板来说，在非矩形显示区域的异形边缘处，像素会沿异形边缘处的边界线布置，以更好地与异形边缘处的边界线吻合。然而，由于显示面板中的每个像素均包括多个呈矩形结构的子像素，为了保证多个子像素的完整，则每个像素中的多个子像素与异形边缘处的边界线并不能完全匹配，会存在锯齿状的缺口，导致显示的画面在显示区域的异形边缘处会存在显示锯齿问题，进一步影响显示面板的视觉效果。
综上所述，现有的显示面板的图像处理方法及显示面板，由于显示面板中的每个像素中的多个子像素与异形边缘处的边界线存在锯齿状的缺口，导致显示的画面在显示区域的异形边缘处会存在显示锯齿问题，进一步影响显示面板的视觉效果。
 技术问题
现有的显示面板的图像处理方法及显示面板，由于显示面板中的每个像素中的多个子像素与异形边缘处的边界线存在锯齿状的缺口，导致显示的画面在显示区域的异形边缘处会存在显示锯齿问题，进一步影响显示面板的视觉效果。
 技术解决方案
本申请提供一种显示面板的图像处理方法及显示面板，能够消除显示的画面在显示区域的异形边缘处存在的显示锯齿问题，以解决现有的显示面板的图像处理方法及显示面板，由于显示面板中的每个像素中的多个子像素与异形边缘处的边界线存在锯齿状的缺口，导致显示的画面在显示区域的异形边缘处会存在显示锯齿问题，进一步影响显示面板的视觉效果的技术问题。
为解决上述问题，本申请提供的技术方案如下：
本申请提供一种显示面板的图像处理方法，所述方法包括：
S10，提供一种具有至少一个异形边缘显示区的显示面板，位于所述异形边缘显示区内的边缘像素输入有输出使能信号、第一扫描控制发光信号以及数据信号，所述第一扫描控制发光信号控制所述数据信号在所述边缘像素上对应输出第一伽马电压组；
S20，将所述输出使能信号对所述第一扫描控制发光信号进行部分遮挡，输出第二扫描控制发光信号，所述第二扫描控制发光信号控制所述数据信号在所述边缘像素上对应输出第二伽马电压组；
S30，所述显示面板基于所述第二伽马电压组的数值在位于所述异形边缘显示区进行图像显示。
在本申请实施例所提供的显示面板的图像处理方法中，所述S10中，所述异形边缘显示区的边缘形状为圆角。
在本申请实施例所提供的显示面板的图像处理方法中，所述S10中，所述第一伽马电压组在所述边缘像素的每一像素行输出的伽马电压数值相同。
在本申请实施例所提供的显示面板的图像处理方法中，所述S20中，所述第二伽马电压组在所述边缘像素的每一像素行输出的伽马电压数值不同。
在本申请实施例所提供的显示面板的图像处理方法中，所述S20还包括：
S201，在所述异形边缘显示区内，将所述输出使能信号对多个边缘像素行对应的所述第一扫描控制发光信号进行部分遮挡，不同边缘像素行对应的所述第一扫描控制发光信号的遮挡脉宽不同；
S202，将所述输出使能信号与各个边缘像素行对应的所述第一扫描控制发光信号进行逻辑运算，输出各个边缘像素行对应的第二扫描控制发光信号，所述第二扫描控制发光信号在所述边缘像素上对应输出第二伽马电压组。
在本申请实施例所提供的显示面板的图像处理方法中，所述显示面板还包括像素驱动电路，所述像素驱动电路包括第一薄膜晶体管(T1)、第二薄膜晶体管(T2) 、第三薄膜晶体管(T3) 、存储电容（C1）、有机发光二极管（OLED）、数据信号端(Data)、扫描控制发光信号端（Em）、电源电压（VDD）以及电源负极（VSS）。
在本申请实施例所提供的显示面板的图像处理方法中，所述第一薄膜晶体管(T1)的源极与所述电源电压（VDD）电性连接，所述第一薄膜晶体管(T1)的栅极与所述扫描控制发光信号端（Em）电性连接，所述第一薄膜晶体管(T1)的漏极与所述第二薄膜晶体管(T2)的源极电性连接，所述第二薄膜晶体管(T2)的栅极电性连接于所述第三薄膜晶体管(T3)的漏极与所述存储电容（C1），所述第二薄膜晶体管(T2)的漏极电性连接于所述存储电容（C1）与所述有机发光二极管（OLED）的阳极，所述第三薄膜晶体管(T3)的源极电性连接于所述数据信号端(Data)，所述有机发光二极管（OLED）的阴极电性连接于所述电源负极（VSS）。
本申请还提供一种显示面板，所述显示面板包括显示区和与所述显示区相邻的非显示区，所述显示区包括至少一个异形边缘区，所述异形边缘区包括多个边缘像素；其中，所述显示面板在所述异形边缘区内输入有输出使能信号和扫描控制发光信号，所述输出使能信号对多个边缘像素行对应的所述扫描控制发光信号进行部分遮挡。
在本申请实施例所提供的显示面板中，所述异形边缘显示区的边缘形状为圆角。
在本申请实施例所提供的显示面板中，所述显示面板还包括像素驱动电路，所述像素驱动电路包括第一薄膜晶体管(T1)、第二薄膜晶体管(T2) 、第三薄膜晶体管(T3) 、存储电容（C1）、有机发光二极管（OLED）、数据信号端(Data)、扫描控制发光信号端（Em）、电源电压（VDD）以及电源负极（VSS）；所述第一薄膜晶体管(T1)的源极与所述电源电压（VDD）电性连接，所述第一薄膜晶体管(T1)的栅极与所述扫描控制发光信号端（Em）电性连接，所述第一薄膜晶体管(T1)的漏极与所述第二薄膜晶体管(T2)的源极电性连接，所述第二薄膜晶体管(T2)的栅极电性连接于所述第三薄膜晶体管(T3)的漏极与所述存储电容（C1），所述第二薄膜晶体管(T2)的漏极电性连接于所述存储电容（C1）与所述有机发光二极管（OLED）的阳极，所述第三薄膜晶体管(T3)的源极电性连接于所述数据信号端(Data)，所述有机发光二极管（OLED）的阴极电性连接于所述电源负极（VSS）。
 有益效果
本申请的有益效果为：本申请提供的显示面板的图像处理方法及显示面板，在异形边缘显示区内将输入的输出使能信号对多个边缘像素行对应的扫描控制发光信号进行部分遮挡，实现了异形边缘显示区处像素的亮度补偿，进一步消除了在异形边缘显示区内存在的锯齿问题。
 附图说明
为了更清楚地说明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单介绍，显而易见地，下面描述中的附图仅仅是申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请显示面板的图像处理方法流程图。
图2为本申请显示面板的图像处理方法中的部分电信号示意图。
图3为本申请显示面板的图像处理方法中的像素电路图。
 本发明的实施方式
以下各实施例的说明是参考附加的图示，用以例示本申请可用以实施的特定实施例。本申请所提到的方向用语，例如[上]、[下]、[前]、[后]、[左]、[右]、[内]、[外]、[侧面]等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本申请，而非用以限制本申请。在图中，结构相似的单元是用以相同标号表示。
本申请针对现有的显示面板的图像处理方法及显示面板，由于显示面板中的每个像素中的多个子像素与异形边缘处的边界线存在锯齿状的缺口，导致显示的画面在显示区域的异形边缘处会存在显示锯齿问题，进一步影响显示面板的视觉效果的技术问题，本实施例能够解决该缺陷。
如图1所示，为本申请显示面板的图像处理方法流程图。所述方法包括：
S10，提供一种具有至少一个异形边缘显示区的显示面板，位于所述异形边缘显示区内的边缘像素输入有输出使能信号、第一扫描控制发光信号以及数据信号，所述第一扫描控制发光信号控制所述数据信号在所述边缘像素上对应输出第一伽马电压组。
具体的，所述S10还包括：
首先提供一种具有至少一个异形边缘显示区的显示面板，所述显示面板的显示区内设置有多个像素，每个像素设置有开关元件，每个开关元件与一根扫描线和一根数据线相连，通过接收扫描线的扫描信号打开开关元件，通过接收数据线的数据信号驱动像素显示出一定的灰阶，不同像素的开关元件连接不同组合的扫描线和数据线，从而每个像素可以独立的发光。
具体地，所述异形边缘显示区内设置有多个边缘像素，所述异形边缘显示区的边缘形状为圆角。所述异形边缘显示区内的所述边缘像素上输入有输出使能信号（OE）、第一扫描控制发光信号(EM)以及数据信号(Data)，所述输出使能信号（OE）由时序控制器产生，所述第一扫描控制发光信号(EM)控制所述数据信号(Data)在所述边缘像素上对应输出第一伽马电压组。
具体地，所述第一伽马电压组在所述边缘像素的每一像素行输出的伽马电压数值相同。
S20，将所述输出使能信号（OE）对所述第一扫描控制发光信号(EM)进行部分遮挡，输出第二扫描控制发光信号(EM”)，所述第二扫描控制发光信号(EM”)控制所述数据信号(Data)在所述边缘像素上对应输出第二伽马电压组。
具体的，所述S20还包括：
首先，在所述异形边缘显示区内，将所述输出使能信号（OE）对多个边缘像素行对应的所述第一扫描控制发光信号(EM)进行部分遮挡，不同边缘像素行对应的所述第一扫描控制发光信号(EM)的遮挡脉宽不同。所述遮挡脉宽的数量由所述异形边缘显示区的曲率大小决定。之后，将所述输出使能信号（OE）与各个边缘像素行对应的所述第一扫描控制发光信号(EM)进行逻辑运算，输出各个边缘像素行对应的第二扫描控制发光信号(EM”)，所述第二扫描控制发光信号(EM”)在所述边缘像素上对应输出第二伽马电压组。所述第二伽马电压组在所述边缘像素的每一像素行输出的伽马电压数值不同，所述第二伽马电压组中的伽马电压等级由所述异形边缘显示区的曲率大小决定。
S30，所述显示面板基于所述第二伽马电压组的数值在位于所述异形边缘显示区进行图像显示。
具体的，所述S30还包括：
所述显示面板基于所述第二伽马电压组的数值在位于所述异形边缘显示区进行图像显示。通过对位于所述异形边缘显示区的所述边缘像素进行伽马电压补偿，使所述异形边缘显示区的边缘处过度平滑，进一步消除了显示面板的锯齿问题。
如图2所示，本申请显示面板的图像处理方法中的部分电信号示意图。其中，所述第一扫描控制发光信号(EM)包括第一扫描控制第一行发光信号(EM1)、第一扫描控制第一行发光信号(EM2) 以及第一扫描控制第三行发光信号(EM3)；所述第一扫描控制第一行发光信号(EM1)经输出使能信号（OE）遮挡后输出第二扫描控制第一行发光信号(EM1”)；所述第一扫描控制第二行发光信号(EM2)经所述输出使能信号（OE）遮挡后输出第二扫描控制第二行发光信号(EM2”)；所述第一扫描控制第三行发光信号(EM3)经所述输出使能信号（OE）遮挡后输出第二扫描控制第三行发光信号(EM3”)。
如图3所示，为本申请显示面板的图像处理方法中的像素电路图。
其中，所述显示面板还包括像素驱动电路，所述像素驱动电路包括第一薄膜晶体管(T1)、第二薄膜晶体管(T2) 、第三薄膜晶体管(T3) 、存储电容（C1）、有机发光二极管（OLED）、数据信号端(Data)、扫描控制发光信号端（Em）、电源电压（VDD）以及电源负极（VSS）。
具体地，所述第一薄膜晶体管(T1)的源极与所述电源电压（VDD）电性连接，所述第一薄膜晶体管(T1)的栅极与所述扫描控制发光信号端（Em）电性连接，所述第一薄膜晶体管(T1)的漏极与所述第二薄膜晶体管(T2)的源极电性连接，所述第二薄膜晶体管(T2)的栅极电性连接于所述第三薄膜晶体管(T3)的漏极与所述存储电容（C1），所述第二薄膜晶体管(T2)的漏极电性连接于所述存储电容（C1）与所述有机发光二极管（OLED）的阳极，所述第三薄膜晶体管(T3)的源极电性连接于所述数据信号端(Data)，所述有机发光二极管（OLED）的阴极电性连接于所述电源负极（VSS）。
本申请还提供一种显示面板，所述显示面板包括显示区和与所述显示区相邻的非显示区，所述显示区包括至少一个异形边缘区，所述异形边缘区包括多个边缘像素；其中，所述显示面板在所述异形边缘区内输入有输出使能信号和扫描控制发光信号，所述输出使能信号对多个边缘像素行对应的所述扫描控制发光信号进行部分遮挡。
具体地，所述异形边缘显示区的边缘形状为圆角。
具体地，所述显示面板还包括像素驱动电路，所述像素驱动电路包括第一薄膜晶体管(T1)、第二薄膜晶体管(T2) 、第三薄膜晶体管(T3) 、存储电容（C1）、有机发光二极管（OLED）、数据信号端(Data)、扫描控制发光信号端（Em）、电源电压（VDD）以及电源负极（VSS）；所述第一薄膜晶体管(T1)的源极与所述电源电压（VDD）电性连接，所述第一薄膜晶体管(T1)的栅极与所述扫描控制发光信号端（Em）电性连接，所述第一薄膜晶体管(T1)的漏极与所述第二薄膜晶体管(T2)的源极电性连接，所述第二薄膜晶体管(T2)的栅极电性连接于所述第三薄膜晶体管(T3)的漏极与所述存储电容（C1），所述第二薄膜晶体管(T2)的漏极电性连接于所述存储电容（C1）与所述有机发光二极管（OLED）的阳极，所述第三薄膜晶体管(T3)的源极电性连接于所述数据信号端(Data)，所述有机发光二极管（OLED）的阴极电性连接于所述电源负极（VSS）。
本申请的有益效果为：本申请提供的显示面板的图像处理方法及显示面板，在异形边缘显示区内将输入的输出使能信号对多个边缘像素行对应的扫描控制发光信号进行部分遮挡，实现了异形边缘显示区处像素的亮度补偿，进一步消除了在异形边缘显示区内存在的锯齿问题。
综上所述，虽然本申请已以优选实施例揭露如上，但上述优选实施例并非用以限制本申请，本领域的普通技术人员，在不脱离本申请的精神和范围内，均可作各种更动与润饰，因此本申请的保护范围以权利要求界定的范围为准。

Claims (10)

  1. 一种显示面板的图像处理方法，其中，所述方法包括：
    S10，提供一种具有至少一个异形边缘显示区的显示面板，位于所述异形边缘显示区内的边缘像素输入有输出使能信号、第一扫描控制发光信号以及数据信号，所述第一扫描控制发光信号控制所述数据信号在所述边缘像素上对应输出第一伽马电压组；
    S20，将所述输出使能信号对所述第一扫描控制发光信号进行部分遮挡，输出第二扫描控制发光信号，所述第二扫描控制发光信号控制所述数据信号在所述边缘像素上对应输出第二伽马电压组；
    S30，所述显示面板基于所述第二伽马电压组的数值在位于所述异形边缘显示区进行图像显示。
  2. 根据权利要求1所述的显示面板的图像处理方法，其中，所述S10中，所述异形边缘显示区的边缘形状为圆角。
  3. 根据权利要求1所述的显示面板的图像处理方法，其中，所述S10中，所述第一伽马电压组在所述边缘像素的每一像素行输出的伽马电压数值相同。
  4. 根据权利要求1所述的显示面板的图像处理方法，其中，所述S20中，所述第二伽马电压组在所述边缘像素的每一像素行输出的伽马电压数值不同。
  5. 根据权利要求1所述的显示面板的图像处理方法，其中，所述S20还包括：
    S201，在所述异形边缘显示区内，将所述输出使能信号对多个边缘像素行对应的所述第一扫描控制发光信号进行部分遮挡，不同边缘像素行对应的所述第一扫描控制发光信号的遮挡脉宽不同；
    S202，将所述输出使能信号与各个边缘像素行对应的所述第一扫描控制发光信号进行逻辑运算，输出各个边缘像素行对应的第二扫描控制发光信号，所述第二扫描控制发光信号在所述边缘像素上对应输出第二伽马电压组。
  6. 根据权利要求1所述的显示面板的图像处理方法，其中，所述显示面板还包括像素驱动电路，所述像素驱动电路包括第一薄膜晶体管(T1)、第二薄膜晶体管(T2) 、第三薄膜晶体管(T3) 、存储电容（C1）、有机发光二极管（OLED）、数据信号端(Data)、扫描控制发光信号端（Em）、电源电压（VDD）以及电源负极（VSS）。
  7. 根据权利要求6所述的显示面板的图像处理方法，其中，所述第一薄膜晶体管(T1)的源极与所述电源电压（VDD）电性连接，所述第一薄膜晶体管(T1)的栅极与所述扫描控制发光信号端（Em）电性连接，所述第一薄膜晶体管(T1)的漏极与所述第二薄膜晶体管(T2)的源极电性连接，所述第二薄膜晶体管(T2)的栅极电性连接于所述第三薄膜晶体管(T3)的漏极与所述存储电容（C1），所述第二薄膜晶体管(T2)的漏极电性连接于所述存储电容（C1）与所述有机发光二极管（OLED）的阳极，所述第三薄膜晶体管(T3)的源极电性连接于所述数据信号端(Data)，所述有机发光二极管（OLED）的阴极电性连接于所述电源负极（VSS）。
  8. 一种显示面板，其中，所述显示面板包括显示区和与所述显示区相邻的非显示区，所述显示区包括至少一个异形边缘区，所述异形边缘区包括多个边缘像素；其中，所述显示面板在所述异形边缘区内输入有输出使能信号和扫描控制发光信号，所述输出使能信号对多个边缘像素行对应的所述扫描控制发光信号进行部分遮挡。
  9. 根据权利要求8所述的显示面板，其中，所述异形边缘显示区的边缘形状为圆角。
  10. 根据权利要求8所述的显示面板，其中，所述显示面板还包括像素驱动电路，所述像素驱动电路包括第一薄膜晶体管(T1)、第二薄膜晶体管(T2) 、第三薄膜晶体管(T3) 、存储电容（C1）、有机发光二极管（OLED）、数据信号端(Data)、扫描控制发光信号端（Em）、电源电压（VDD）以及电源负极（VSS）；所述第一薄膜晶体管(T1)的源极与所述电源电压（VDD）电性连接，所述第一薄膜晶体管(T1)的栅极与所述扫描控制发光信号端（Em）电性连接，所述第一薄膜晶体管(T1)的漏极与所述第二薄膜晶体管(T2)的源极电性连接，所述第二薄膜晶体管(T2)的栅极电性连接于所述第三薄膜晶体管(T3)的漏极与所述存储电容（C1），所述第二薄膜晶体管(T2)的漏极电性连接于所述存储电容（C1）与所述有机发光二极管（OLED）的阳极，所述第三薄膜晶体管(T3)的源极电性连接于所述数据信号端(Data)，所述有机发光二极管（OLED）的阴极电性连接于所述电源负极（VSS）。
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