WO2021103158A1 - Method for improving horizontal crosstalk of display panel - Google Patents

Method for improving horizontal crosstalk of display panel Download PDF

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Publication number
WO2021103158A1
WO2021103158A1 PCT/CN2019/124876 CN2019124876W WO2021103158A1 WO 2021103158 A1 WO2021103158 A1 WO 2021103158A1 CN 2019124876 W CN2019124876 W CN 2019124876W WO 2021103158 A1 WO2021103158 A1 WO 2021103158A1
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Prior art keywords
output voltage
area
voltage
display panel
value
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PCT/CN2019/124876
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French (fr)
Chinese (zh)
Inventor
高翔
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Tcl华星光电技术有限公司
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Publication of WO2021103158A1 publication Critical patent/WO2021103158A1/en

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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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2074—Display of intermediate tones using sub-pixels
    • 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
    • G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display

Definitions

  • the present invention relates to a method for improving crosstalk, in particular to a method for improving horizontal crosstalk of a display panel, which detects the picture in the display area of the display panel.
  • a method for improving horizontal crosstalk of a display panel which detects the picture in the display area of the display panel.
  • the picture has a transition from a gray area to a white area (gray to white) Jump)
  • adjust the positive and negative voltage output values of the white area to reduce horizontal crosstalk.
  • FIG. 1A is a schematic diagram of the display area 90 of the prior art display panel 9 (see FIG. 3)
  • FIG. 1B is the common electrode voltage (VCOM) generated during the gray transition of the prior art display panel Offset and corresponding common electrode voltage (VCOM) waveform diagram.
  • VCOM common electrode voltage
  • the positive and negative polarity of the common electrode voltage (VCOM) is not well coupled, etc., which causes the common electrode voltage (VCOM) to appear when the gray area 91 to the white area 92 of the display area 90 of the display panel transitions.
  • Offset which in turn generates horizontal crosstalk, and the horizontal crosstalk appears as a visually significant 900 on the display area 90.
  • FIG. 2 is a schematic diagram of the feedback common electrode voltage (VCOM_FB) circuit structure of the display panel 9 in the prior art
  • FIG. 3 is a schematic diagram of the feedback waveform of the feedback common electrode voltage (VCOM_FB) of the display panel 9 in the prior art
  • VCOM_FB feedback common electrode voltage
  • VCOM_FB negative feedback circuit of the common electrode voltage
  • the negative feedback circuit has a delay from receiving the feedback common electrode voltage (VCOM_FB) to the color filter substrate side (CF side) common electrode voltage (CF_VCOM), and is subject to the limitation of the common electrode voltage (VCOM) feedback driving capability, For high-resolution display panels with a short charging time, the effect of improving horizontal crosstalk is limited.
  • the present invention provides a method for improving the horizontal crosstalk of a display panel to solve the limitation of the common electrode voltage feedback driving ability in the prior art, which leads to the improvement of the horizontal crosstalk of a high-resolution display panel with a short charging time.
  • the main purpose of the present invention is to provide a method for improving the horizontal crosstalk of a display panel, including:
  • the panel providing step includes providing a display panel, the display panel including a display area, the display area includes a plurality of pixels, each of the pixels can display grayscale or white, the display panel according to the plurality of pixels Grayscale color or white defines the gray area and white area;
  • the image detection step includes detecting the image range of the gray area and the image range of the white area on the display area to determine a gray-white transition from the gray area to the white area;
  • the positive and negative voltage adjustment judgment step includes determining the total adjustment value of the positive output voltage or the negative output voltage of the white area
  • the step of adjusting the voltage by branch includes determining the total adjustment value of the positive output voltage or the total adjustment value of the negative output voltage of the white area.
  • the total adjustment value of the positive output voltage or the negative output voltage includes a segmented lower limit threshold and a segmented adjustment total. Value, and divide the segment adjustment total value into a plurality of segment values;
  • the step of reducing the voltage deviation amplitude includes adjusting the multiple segment values of the total value according to the segment, and further gradually adjusting the positive output voltage or the negative output voltage of the common electrode voltage of the display panel terminal, so that the positive output voltage Or the deviation between the negative output voltage and the preset output voltage is further gradually reduced, thereby reducing crosstalk.
  • the step of adjusting the positive and negative voltages includes determining the positive output voltage or the positive output voltage of the common electrode voltage at the gray transition from the gray area to the white area on the display area.
  • the deviation direction between the negative output voltage and a preset output voltage determines the total adjustment value of the positive output voltage or the negative output voltage in the white area;
  • the step of reducing the voltage deviation amplitude includes a one-time adjustment according to the segmented lower threshold value
  • the positive output voltage or the negative output voltage of the common electrode voltage of the display panel gradually reduces the deviation between the positive output voltage or the negative output voltage and the preset output voltage, and then adjusts the total value according to the segment
  • the multiple segmented values further gradually adjust the positive output voltage or the negative output voltage of the common electrode voltage of the display panel, so that the deviation between the positive output voltage or the negative output voltage and the preset output voltage is further gradually reduced .
  • the white area is located at the center of the display area
  • the gray area is located at the periphery of the display area and surrounds the white area.
  • the segment adjustment total value is a negative value
  • the branch adjustment voltage step does not divide the segment adjustment total value .
  • the multiple segment values are at least 4 segment values.
  • the execution of the step of reducing the voltage deviation amplitude causes the visual interference line to be diluted into a diluted interference line.
  • the execution of the step of reducing the voltage deviation amplitude causes the visual interference line to be eliminated.
  • each of the pixels has a red sub-pixel, a blue sub-pixel, and a green sub-pixel, and the brightness value of each of the red, blue, or green sub-pixels ranges from 0 to 255.
  • the average value of the luminance values of the red sub-pixel, blue sub-pixel, and green sub-pixel determines whether the pixel is grayscale or white.
  • Another object of the present invention is to provide a method for improving horizontal crosstalk of a display panel, including:
  • the panel providing step includes providing a display panel, the display panel including a display area, the display area includes a plurality of pixels, each of the pixels can display grayscale or white, the display panel according to the plurality of pixels Grayscale color or white defines the gray area and white area;
  • the image detection step includes detecting the image range of the gray area and the image range of the white area on the display area to determine a gray-white transition from the gray area to the white area;
  • the step of adjusting the positive and negative voltages includes determining the positive or negative output voltage based on the positive or negative output voltage of the common electrode voltage at the gray transition from the gray area to the white area on the display area and a preset output voltage. The direction of the deviation between the two determines the total adjustment value of the positive output voltage or the negative output voltage in the white area;
  • the step of adjusting the voltage by branch includes determining the total adjustment value of the positive output voltage or the total adjustment value of the negative output voltage of the white area.
  • the total adjustment value of the positive output voltage or the negative output voltage includes a segmented lower limit threshold and a segmented adjustment total. Value, and divide the segment adjustment total value into a plurality of segment values;
  • the step of reducing the voltage deviation amplitude includes first adjusting the positive output voltage or the negative output voltage of the common electrode voltage of the display panel terminal at one time according to the segmented lower limit threshold value, so that the positive output voltage or the negative output voltage is the same as the preset output voltage.
  • the deviation between the two is gradually reduced, and then the multiple segment values of the total value are adjusted according to the segment, and the positive output voltage or the negative output voltage of the common electrode voltage at the display panel terminal is further adjusted gradually, so that the positive The deviation between the output voltage or negative output voltage and the preset output voltage is further reduced gradually;
  • the white area is located at the center of the display area, and the gray area is located at the periphery of the display area and surrounds the white area;
  • the segment adjustment total value is a negative value
  • the branch adjustment voltage step does not divide the segment adjustment total value
  • the execution of the step of reducing the voltage deviation amplitude causes the visual interference line to be diluted into a diluted interference line.
  • Another object of the present invention is to provide a method for improving the horizontal crosstalk of a display panel, which includes:
  • the panel providing step includes providing a display panel, the display panel including a display area, the display area includes a plurality of pixels, each of the pixels can display grayscale or white, the display panel according to the plurality of pixels Grayscale color or white defines the gray area and white area;
  • the image detection step includes detecting the image range of the gray area and the image range of the white area on the display area to determine a gray-white transition from the gray area to the white area;
  • the step of adjusting the positive and negative voltages includes determining the positive or negative output voltage based on the positive or negative output voltage of the common electrode voltage at the gray transition from the gray area to the white area on the display area and a preset output voltage. The direction of the deviation between the two determines the total adjustment value of the positive output voltage or the negative output voltage in the white area;
  • the step of adjusting the voltage by branch includes determining the total adjustment value of the positive output voltage or the total adjustment value of the negative output voltage of the white area.
  • the total adjustment value of the positive output voltage or the negative output voltage includes a segmented lower limit threshold and a segmented adjustment total. Value, and divide the segment adjustment total value into a plurality of segment values;
  • the step of reducing the voltage deviation amplitude includes first adjusting the positive output voltage or the negative output voltage of the common electrode voltage of the display panel terminal at one time according to the segmented lower limit threshold value, so that the positive output voltage or the negative output voltage is the same as the preset output voltage.
  • the deviation between the two is gradually reduced, and then the multiple segment values of the total value are adjusted according to the segment, and the positive output voltage or the negative output voltage of the common electrode voltage at the display panel terminal is further adjusted gradually, so that the positive The deviation between the output voltage or negative output voltage and the preset output voltage is further reduced gradually;
  • the white area is located at the center of the display area, and the gray area is located at the periphery of the display area and surrounds the white area;
  • the segment adjustment total value is a negative value, and the branch adjustment voltage step does not divide the segment adjustment total value
  • the execution of the step of reducing the voltage deviation amplitude causes the visual interference line to be diluted into a diluted interference line or eliminated;
  • each of the pixels has a red sub-pixel, a blue sub-pixel, and a green sub-pixel, and the brightness value of each of the red, blue, or green sub-pixels ranges from 0 to 255, and the red sub-pixel
  • the average value of the brightness values of the blue sub-pixel and the green sub-pixel determines whether the pixel is grayscale or white.
  • the present invention first adjusts the positive output voltage or the negative output voltage of the common electrode voltage of the display panel terminal at one time according to the segmented lower threshold value, so that the positive output voltage or the negative output voltage is the same as the preset value.
  • the deviation between the output voltages is gradually reduced, and then the multiple segment values of the total value are adjusted according to the segments, and the positive output voltage or the negative output voltage of the common electrode voltage at the display panel terminal is further adjusted gradually, so that all
  • the deviation between the positive output voltage or the negative output voltage and the preset output voltage is further gradually reduced, thereby reducing crosstalk, so that the deviation of the positive output voltage or the negative output voltage can be adjusted back by gradually and gently changing the voltage value.
  • the original preset output voltage can reduce the crosstalk of the signal while reducing the voltage deviation range.
  • FIG. 1A is a schematic diagram of a display area of a display panel in the prior art.
  • FIG. 1B is a common electrode voltage (VCOM) deviation and corresponding common electrode voltage (VCOM) waveform diagram generated by a prior art display panel during a gray-white transition.
  • VCOM common electrode voltage
  • VCOM common electrode voltage
  • FIG. 2 is a schematic diagram of a feedback common electrode voltage (VCOM_FB) circuit structure of a display panel in the prior art.
  • VCOM_FB feedback common electrode voltage
  • FIG. 3 is a schematic diagram of the feedback waveform of the feedback common electrode voltage (VCOM_FB) of the prior art display panel.
  • FIG. 4 is a flowchart of the steps of the horizontal crosstalk of the display panel of the present invention.
  • VCOM common electrode voltage
  • FIG. 6 is a schematic front view of the display area of the display panel, with visually significant interference lines on it.
  • FIG. 7 is a schematic diagram of waveforms of the common electrode voltage (VCOM) of the display panel of the present invention being adjusted with multiple segmented values.
  • VCOM common electrode voltage
  • FIG. 8 is a schematic front view of the display area of the display panel, on which there are visually inconspicuous lightened interference lines.
  • FIG. 4 is a flowchart of the steps of the horizontal crosstalk of the display panel of the present invention.
  • the method for improving the horizontal crosstalk of the display panel of the present invention includes: panel providing step S01, image detection step S02, positive and negative voltage adjustment judgment step S03, branch voltage adjustment step S04, and voltage deviation range reduction step S05.
  • the panel providing step S01 includes providing a display panel, the display panel includes a display area 10, the display area 10 includes a plurality of pixels, each of the pixels can display grayscale color or white, the display panel according to the The gray scale color or white color of the plurality of pixels defines a gray area 11 and a white area 12.
  • each of the pixels has a red sub-pixel, a blue sub-pixel, and a green sub-pixel, and the brightness value of each of the red, blue, or green sub-pixels ranges from 0 to 255.
  • the average value of the luminance values of the red sub-pixel, blue sub-pixel, and green sub-pixel determines whether the pixel is grayscale or white.
  • the image detection step S02 includes detecting the image range of the gray area 11 and the image range of the white area 12 on the display area 10 to determine a gray-white transition from the gray area 11 to the white area 12 Jumping place.
  • the white area 12 is located at the center of the display area 10
  • the gray area 11 is located at the periphery of the display area 10 and surrounds the white area 12.
  • FIG. 5 is a schematic diagram of the waveform of the adjustment direction of the positive output voltage or the negative output voltage of the common electrode voltage (VCOM) of the display panel of the present invention.
  • the positive and negative voltage adjustment judgment step S03 includes the positive or negative output voltage of the common electrode voltage (VCOM) at the gray transition from the gray area 11 to the white area 12 on the display area 10
  • the deviation direction between the output voltage and a preset output voltage determines the total adjustment value of the positive output voltage or the negative output voltage of the white area 12.
  • FIG. 6 is a schematic front view of the display area 10 of the display panel with visually significant interference lines.
  • the gray-white transition appears as a visual interference line on the display area 10.
  • FIG. 7 is a schematic diagram of waveforms in which the common electrode voltage (VCOM) of the display panel of the present invention is adjusted with multiple segmented values.
  • the branch voltage adjustment step S04 includes determining the total adjustment value of the positive output voltage ( ⁇ V+) or the total adjustment value of the negative output voltage ( ⁇ V-) of the white area 12, and the total adjustment of the positive output voltage or the negative output voltage
  • the branch adjustment voltage step S04 when the positive output voltage or the negative output voltage is less than the segment lower limit threshold ( ⁇ V1), the segment adjustment total value is a negative value, then the branch adjustment voltage step S04 does not divide the segment Adjust the total value in segments.
  • the multiple segment values are at least 4 segment values.
  • the step S05 of reducing the voltage deviation amplitude includes first adjusting the positive output voltage or the negative output voltage of the common electrode voltage (VCOM) of the display panel terminal at one time according to the segmented lower limit threshold ( ⁇ V1), so that the positive output The voltage or the deviation between the negative output voltage and the preset output voltage is gradually reduced, and then the multiple segment values of the total value are adjusted according to the segments, and the common electrode voltage (VCOM) of the display panel terminal is further adjusted gradually The positive output voltage or the negative output voltage is further reduced gradually, and the crosstalk is reduced further by the deviation between the positive output voltage or the negative output voltage and the preset output voltage.
  • FIG. 8 is a schematic front view of the display area 10 of the display panel, on which there are visually inconspicuous lightened interference lines.
  • the execution of the step S05 of reducing the voltage deviation amplitude causes the visual interference line to be diluted into a diluted interference line.
  • the execution of the step S05 of reducing the voltage deviation amplitude causes the visual interference line to be eliminated.
  • the present invention first adjusts the positive output voltage or the negative output voltage of the common electrode voltage (VCOM) of the display panel terminal at one time according to the segmented lower threshold ( ⁇ V1), so that the positive output voltage Or the deviation between the negative output voltage and the preset output voltage is gradually reduced, and then the multiple segment values of the total value are adjusted according to the segments, and the common electrode voltage (VCOM) of the display panel terminal is further adjusted gradually.
  • Positive output voltage or negative output voltage so that the deviation between the positive output voltage or negative output voltage and the preset output voltage is further gradually reduced, thereby reducing crosstalk, so that the deviation can be gradually changed by gradually changing the voltage value. Adjusting the positive output voltage or negative output voltage to the original preset output voltage can reduce the voltage deviation while effectively reducing the crosstalk of the signal.

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  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
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Abstract

Provided is a method for improving the horizontal crosstalk of a display panel, comprising a panel providing step (S01), a picture detection step (S02), a positive and negative voltage adjustment determination step (S03), a branch voltage adjustment step (S04), and a voltage deviation range reduction step (S05). A picture is detected in the display area (10) of the display panel, and if the picture jumps from a gray area (11) to a white area (12), then the positive and negative voltage output values of the white area (12) are adjusted to reduce horizontal crosstalk.

Description

显示面板水平串扰的改善方法Method for improving horizontal crosstalk of display panel 技术领域Technical field
本发明是有关于一种串扰改善方法，特别是有关于一种显示面板水平串扰的改善方法，其侦测显示面板显示区的画面，当画面有灰色区域到白色区域的跳变（灰至白跳变）时，调整白色区域的正、负极性电压输出值以降低水平串扰。The present invention relates to a method for improving crosstalk, in particular to a method for improving horizontal crosstalk of a display panel, which detects the picture in the display area of the display panel. When the picture has a transition from a gray area to a white area (gray to white) Jump), adjust the positive and negative voltage output values of the white area to reduce horizontal crosstalk.
背景技术Background technique
请参照图1A及1B，图1A为现有技术的显示面板9（见图3）的显示区90的示意图，图1B为现有技术显示面板在灰白跳变时产生的公共电极电压(VCOM)偏移及对应的公共电极电压(VCOM)波形图。现有的显示面板9，其正、负极性对公共电极电压(VCOM)的耦合不行等，造成在显示面板的显示区90的灰色区域91至白色区域92跳变时，出现公共电极电压(VCOM)偏移，进而产生水平串扰，该水平串扰在显示区90上呈现为视觉上显着的900。1A and 1B, FIG. 1A is a schematic diagram of the display area 90 of the prior art display panel 9 (see FIG. 3), and FIG. 1B is the common electrode voltage (VCOM) generated during the gray transition of the prior art display panel Offset and corresponding common electrode voltage (VCOM) waveform diagram. In the existing display panel 9, the positive and negative polarity of the common electrode voltage (VCOM) is not well coupled, etc., which causes the common electrode voltage (VCOM) to appear when the gray area 91 to the white area 92 of the display area 90 of the display panel transitions. ) Offset, which in turn generates horizontal crosstalk, and the horizontal crosstalk appears as a visually significant 900 on the display area 90.
请参照图2及图3，图2为现有技术显示面板9的反馈公共电极电压(VCOM_FB)电路架构示意图，图3为现有技术显示面板9的反馈公共电极电压(VCOM_FB)的反馈波形示意图。为了解决上述问题，现有技术通过公共电极电压(VCOM)的负反馈电路提供反馈公共电极电压(VCOM_FB)改善水平串扰。然而，该项反馈电路技术具有下列缺陷：Please refer to FIGS. 2 and 3. FIG. 2 is a schematic diagram of the feedback common electrode voltage (VCOM_FB) circuit structure of the display panel 9 in the prior art, and FIG. 3 is a schematic diagram of the feedback waveform of the feedback common electrode voltage (VCOM_FB) of the display panel 9 in the prior art . In order to solve the above problems, the prior art provides a feedback common electrode voltage (VCOM_FB) through a negative feedback circuit of the common electrode voltage (VCOM) to improve horizontal crosstalk. However, this feedback circuit technology has the following shortcomings:
所述负反馈电路从接收反馈的公共电极电压(VCOM_FB)到彩色滤光片基板侧（CF侧）公共电极电压(CF_VCOM)有延时，而受制于公共电极电压(VCOM)反馈驱动能力限制，对于充电时间较短的高解析度显示面板水平串扰改善效果有限。The negative feedback circuit has a delay from receiving the feedback common electrode voltage (VCOM_FB) to the color filter substrate side (CF side) common electrode voltage (CF_VCOM), and is subject to the limitation of the common electrode voltage (VCOM) feedback driving capability, For high-resolution display panels with a short charging time, the effect of improving horizontal crosstalk is limited.
故，有必要提供一种显示面板水平串扰的改善方法，以解决现有技术所存在的问题。Therefore, it is necessary to provide a method for improving the horizontal crosstalk of the display panel to solve the problems existing in the prior art.
技术问题technical problem
有鉴于此，本发明提供一种显示面板水平串扰的改善方法，以解决现有技术所存在的受制于公共电极电压反馈驱动能力限制而导致对于充电时间较短的高解析度显示面板水平串扰改善效果有限的技术问题。In view of this, the present invention provides a method for improving the horizontal crosstalk of a display panel to solve the limitation of the common electrode voltage feedback driving ability in the prior art, which leads to the improvement of the horizontal crosstalk of a high-resolution display panel with a short charging time. Technical problems with limited effects.
技术解决方案Technical solutions
本发明的主要目的在于提供一种显示面板水平串扰的改善方法，包括：The main purpose of the present invention is to provide a method for improving the horizontal crosstalk of a display panel, including:
面板提供步骤，包括提供一显示面板，所述显示面板包括一显示区，该显示区包括多个像素，各所述像素可显示灰阶色或白色，所述显示面板根据所述多个像素的灰阶色或白色而定义出灰色区域及白色区域；The panel providing step includes providing a display panel, the display panel including a display area, the display area includes a plurality of pixels, each of the pixels can display grayscale or white, the display panel according to the plurality of pixels Grayscale color or white defines the gray area and white area;
画面侦测步骤，包括侦测所述显示区上的灰色区域的画面范围以及白色区域的画面范围以决定一由所述灰色区域跳变至所述白色区域的灰白跳变处；The image detection step includes detecting the image range of the gray area and the image range of the white area on the display area to determine a gray-white transition from the gray area to the white area;
正负电压调整判断步骤，包括决定白色区域的正输出电压或负输出电压总调整值；The positive and negative voltage adjustment judgment step includes determining the total adjustment value of the positive output voltage or the negative output voltage of the white area;
分行调整电压步骤，包括决定所述白色区域的正输出电压总调整值或负输出电压总调整值，所述正输出电压或负输出电压总调整值包括一分段下限阈值以及一分段调整总值，并将所述分段调整总值分割为多个分段值；以及The step of adjusting the voltage by branch includes determining the total adjustment value of the positive output voltage or the total adjustment value of the negative output voltage of the white area. The total adjustment value of the positive output voltage or the negative output voltage includes a segmented lower limit threshold and a segmented adjustment total. Value, and divide the segment adjustment total value into a plurality of segment values; and
电压偏差幅度降低步骤，包括根据所述分段调整总值的所述多个分段值，进一步逐步调整所述显示面板端公共电极电压的正输出电压或负输出电压，使所述正输出电压或负输出电压与预设输出电压之间的偏差进一步逐步降低，进而降低串扰。The step of reducing the voltage deviation amplitude includes adjusting the multiple segment values of the total value according to the segment, and further gradually adjusting the positive output voltage or the negative output voltage of the common electrode voltage of the display panel terminal, so that the positive output voltage Or the deviation between the negative output voltage and the preset output voltage is further gradually reduced, thereby reducing crosstalk.
在本发明一实施例中，所述正负电压调整判断步骤，包括依据所述显示区上由所述灰色区域跳变至所述白色区域的灰白跳变处的公共电极电压的正输出电压或负输出电压与一预设输出电压之间的偏差方向，决定白色区域的正输出电压或负输出电压总调整值；所述电压偏差幅度降低步骤，包括先根据所述分段下限阈值一次性调整所述显示面板端公共电极电压的正输出电压或负输出电压，使所述正输出电压或负输出电压与预设输出电压之间的偏差逐步降低，接着再根据所述分段调整总值的所述多个分段值，进一步逐步调整所述显示面板端公共电极电压的正输出电压或负输出电压，使所述正输出电压或负输出电压与预设输出电压之间的偏差进一步逐步降低。In an embodiment of the present invention, the step of adjusting the positive and negative voltages includes determining the positive output voltage or the positive output voltage of the common electrode voltage at the gray transition from the gray area to the white area on the display area. The deviation direction between the negative output voltage and a preset output voltage determines the total adjustment value of the positive output voltage or the negative output voltage in the white area; the step of reducing the voltage deviation amplitude includes a one-time adjustment according to the segmented lower threshold value The positive output voltage or the negative output voltage of the common electrode voltage of the display panel gradually reduces the deviation between the positive output voltage or the negative output voltage and the preset output voltage, and then adjusts the total value according to the segment The multiple segmented values further gradually adjust the positive output voltage or the negative output voltage of the common electrode voltage of the display panel, so that the deviation between the positive output voltage or the negative output voltage and the preset output voltage is further gradually reduced .
在本发明一实施例中，所述白色区域位于所述显示区的中央，所述灰色区域位于所述显示区的周边且环绕所述白色区域。In an embodiment of the present invention, the white area is located at the center of the display area, and the gray area is located at the periphery of the display area and surrounds the white area.
在本发明一实施例中，当正输出电压或负输出电压小于分段下限阈值时，所述分段调整总值为负值，则所述分行调整电压步骤不分割所述分段调整总值。In an embodiment of the present invention, when the positive output voltage or the negative output voltage is less than the segment lower limit threshold, the segment adjustment total value is a negative value, and the branch adjustment voltage step does not divide the segment adjustment total value .
在本发明一实施例中，所述多个分段值为至少4个分段值。In an embodiment of the present invention, the multiple segment values are at least 4 segment values.
在本发明一实施例中，所述电压偏差幅度降低步骤的执行使所述视觉上的干扰线被淡化成淡化干扰线。In an embodiment of the present invention, the execution of the step of reducing the voltage deviation amplitude causes the visual interference line to be diluted into a diluted interference line.
本发明一实施例中，所述电压偏差幅度降低步骤的执行使所述视觉上的干扰线被消除。In an embodiment of the present invention, the execution of the step of reducing the voltage deviation amplitude causes the visual interference line to be eliminated.
在本发明一实施例中，各所述像素具有红色子像素、蓝色子像素、以及绿色子像素，各所述红色子像素、蓝色子像素、或绿色子像素的亮度值在0至255，所述红色子像素、蓝色子像素、以及绿色子像素的亮度值的平均值决定该像素为灰阶色或是白色。In an embodiment of the present invention, each of the pixels has a red sub-pixel, a blue sub-pixel, and a green sub-pixel, and the brightness value of each of the red, blue, or green sub-pixels ranges from 0 to 255. The average value of the luminance values of the red sub-pixel, blue sub-pixel, and green sub-pixel determines whether the pixel is grayscale or white.
本发明的另一目的在于提供一种显示面板水平串扰的改善方法，包括：Another object of the present invention is to provide a method for improving horizontal crosstalk of a display panel, including:
面板提供步骤，包括提供一显示面板，所述显示面板包括一显示区，该显示区包括多个像素，各所述像素可显示灰阶色或白色，所述显示面板根据所述多个像素的灰阶色或白色而定义出灰色区域及白色区域；The panel providing step includes providing a display panel, the display panel including a display area, the display area includes a plurality of pixels, each of the pixels can display grayscale or white, the display panel according to the plurality of pixels Grayscale color or white defines the gray area and white area;
画面侦测步骤，包括侦测所述显示区上的灰色区域的画面范围以及白色区域的画面范围以决定一由所述灰色区域跳变至所述白色区域的灰白跳变处；The image detection step includes detecting the image range of the gray area and the image range of the white area on the display area to determine a gray-white transition from the gray area to the white area;
正负电压调整判断步骤，包括依据所述显示区上由所述灰色区域跳变至所述白色区域的灰白跳变处的公共电极电压的正输出电压或负输出电压与一预设输出电压之间的偏差方向，决定白色区域的正输出电压或负输出电压总调整值；The step of adjusting the positive and negative voltages includes determining the positive or negative output voltage based on the positive or negative output voltage of the common electrode voltage at the gray transition from the gray area to the white area on the display area and a preset output voltage. The direction of the deviation between the two determines the total adjustment value of the positive output voltage or the negative output voltage in the white area;
分行调整电压步骤，包括决定所述白色区域的正输出电压总调整值或负输出电压总调整值，所述正输出电压或负输出电压总调整值包括一分段下限阈值以及一分段调整总值，并将所述分段调整总值分割为多个分段值；以及The step of adjusting the voltage by branch includes determining the total adjustment value of the positive output voltage or the total adjustment value of the negative output voltage of the white area. The total adjustment value of the positive output voltage or the negative output voltage includes a segmented lower limit threshold and a segmented adjustment total. Value, and divide the segment adjustment total value into a plurality of segment values; and
电压偏差幅度降低步骤，包括先根据所述分段下限阈值一次性调整所述显示面板端公共电极电压的正输出电压或负输出电压，使所述正输出电压或负输出电压与预设输出电压之间的偏差逐步降低，接着再根据所述分段调整总值的所述多个分段值，进一步逐步调整所述显示面板端公共电极电压的正输出电压或负输出电压，使所述正输出电压或负输出电压与预设输出电压之间的偏差进一步逐步降低；The step of reducing the voltage deviation amplitude includes first adjusting the positive output voltage or the negative output voltage of the common electrode voltage of the display panel terminal at one time according to the segmented lower limit threshold value, so that the positive output voltage or the negative output voltage is the same as the preset output voltage. The deviation between the two is gradually reduced, and then the multiple segment values of the total value are adjusted according to the segment, and the positive output voltage or the negative output voltage of the common electrode voltage at the display panel terminal is further adjusted gradually, so that the positive The deviation between the output voltage or negative output voltage and the preset output voltage is further reduced gradually;
其中，所述白色区域位于所述显示区的中央，所述灰色区域位于所述显示区的周边且环绕所述白色区域；Wherein, the white area is located at the center of the display area, and the gray area is located at the periphery of the display area and surrounds the white area;
其中，当正输出电压或负输出电压小于分段下限阈值时，所述分段调整总值为负值，则所述分行调整电压步骤不分割所述分段调整总值。Wherein, when the positive output voltage or the negative output voltage is less than the segment lower limit threshold, the segment adjustment total value is a negative value, and the branch adjustment voltage step does not divide the segment adjustment total value.
在本发明一实施例中，所述电压偏差幅度降低步骤的执行使所述视觉上的干扰线被淡化成淡化干扰线。In an embodiment of the present invention, the execution of the step of reducing the voltage deviation amplitude causes the visual interference line to be diluted into a diluted interference line.
本发明的另一目的在于提供一种显示面板水平串扰的改善方法其中，包括：Another object of the present invention is to provide a method for improving the horizontal crosstalk of a display panel, which includes:
面板提供步骤，包括提供一显示面板，所述显示面板包括一显示区，该显示区包括多个像素，各所述像素可显示灰阶色或白色，所述显示面板根据所述多个像素的灰阶色或白色而定义出灰色区域及白色区域；The panel providing step includes providing a display panel, the display panel including a display area, the display area includes a plurality of pixels, each of the pixels can display grayscale or white, the display panel according to the plurality of pixels Grayscale color or white defines the gray area and white area;
画面侦测步骤，包括侦测所述显示区上的灰色区域的画面范围以及白色区域的画面范围以决定一由所述灰色区域跳变至所述白色区域的灰白跳变处；The image detection step includes detecting the image range of the gray area and the image range of the white area on the display area to determine a gray-white transition from the gray area to the white area;
正负电压调整判断步骤，包括依据所述显示区上由所述灰色区域跳变至所述白色区域的灰白跳变处的公共电极电压的正输出电压或负输出电压与一预设输出电压之间的偏差方向，决定白色区域的正输出电压或负输出电压总调整值；The step of adjusting the positive and negative voltages includes determining the positive or negative output voltage based on the positive or negative output voltage of the common electrode voltage at the gray transition from the gray area to the white area on the display area and a preset output voltage. The direction of the deviation between the two determines the total adjustment value of the positive output voltage or the negative output voltage in the white area;
分行调整电压步骤，包括决定所述白色区域的正输出电压总调整值或负输出电压总调整值，所述正输出电压或负输出电压总调整值包括一分段下限阈值以及一分段调整总值，并将所述分段调整总值分割为多个分段值；以及The step of adjusting the voltage by branch includes determining the total adjustment value of the positive output voltage or the total adjustment value of the negative output voltage of the white area. The total adjustment value of the positive output voltage or the negative output voltage includes a segmented lower limit threshold and a segmented adjustment total. Value, and divide the segment adjustment total value into a plurality of segment values; and
电压偏差幅度降低步骤，包括先根据所述分段下限阈值一次性调整所述显示面板端公共电极电压的正输出电压或负输出电压，使所述正输出电压或负输出电压与预设输出电压之间的偏差逐步降低，接着再根据所述分段调整总值的所述多个分段值，进一步逐步调整所述显示面板端公共电极电压的正输出电压或负输出电压，使所述正输出电压或负输出电压与预设输出电压之间的偏差进一步逐步降低；The step of reducing the voltage deviation amplitude includes first adjusting the positive output voltage or the negative output voltage of the common electrode voltage of the display panel terminal at one time according to the segmented lower limit threshold value, so that the positive output voltage or the negative output voltage is the same as the preset output voltage. The deviation between the two is gradually reduced, and then the multiple segment values of the total value are adjusted according to the segment, and the positive output voltage or the negative output voltage of the common electrode voltage at the display panel terminal is further adjusted gradually, so that the positive The deviation between the output voltage or negative output voltage and the preset output voltage is further reduced gradually;
其中，所述白色区域位于所述显示区的中央，所述灰色区域位于所述显示区的周边且环绕所述白色区域；Wherein, the white area is located at the center of the display area, and the gray area is located at the periphery of the display area and surrounds the white area;
其中，当正输出电压或负输出电压小于分段下限阈值时，所述分段调整总值为负值，则所述分行调整电压步骤不分割所述分段调整总值；Wherein, when the positive output voltage or the negative output voltage is less than the segment lower limit threshold, the segment adjustment total value is a negative value, and the branch adjustment voltage step does not divide the segment adjustment total value;
其中，所述电压偏差幅度降低步骤的执行使所述视觉上的干扰线被淡化成淡化干扰线或是被消除；Wherein, the execution of the step of reducing the voltage deviation amplitude causes the visual interference line to be diluted into a diluted interference line or eliminated;
其中，各所述像素具有红色子像素、蓝色子像素、以及绿色子像素，各所述红色子像素、蓝色子像素、或绿色子像素的亮度值在0至255，所述红色子像素、蓝色子像素、以及绿色子像素的亮度值的平均值决定该像素为灰阶色或是白色。Wherein, each of the pixels has a red sub-pixel, a blue sub-pixel, and a green sub-pixel, and the brightness value of each of the red, blue, or green sub-pixels ranges from 0 to 255, and the red sub-pixel The average value of the brightness values of the blue sub-pixel and the green sub-pixel determines whether the pixel is grayscale or white.
有益效果Beneficial effect
与现有技术相比较，本发明先根据所述分段下限阈值一次性调整所述显示面板端公共电极电压的正输出电压或负输出电压，使所述正输出电压或负输出电压与预设输出电压之间的偏差逐步降低，接着再根据所述分段调整总值的所述多个分段值，进一步逐步调整所述显示面板端公共电极电压的正输出电压或负输出电压，使所述正输出电压或负输出电压与预设输出电压之间的偏差进一步逐步降低，进而降低串扰，藉此能够以逐步缓和地改变电压值的方式，将偏离的正输出电压或负输出电压调整回原预设输出电压，能够在缩小电压偏差幅度的同时，并有效减少讯号的串扰。Compared with the prior art, the present invention first adjusts the positive output voltage or the negative output voltage of the common electrode voltage of the display panel terminal at one time according to the segmented lower threshold value, so that the positive output voltage or the negative output voltage is the same as the preset value. The deviation between the output voltages is gradually reduced, and then the multiple segment values of the total value are adjusted according to the segments, and the positive output voltage or the negative output voltage of the common electrode voltage at the display panel terminal is further adjusted gradually, so that all The deviation between the positive output voltage or the negative output voltage and the preset output voltage is further gradually reduced, thereby reducing crosstalk, so that the deviation of the positive output voltage or the negative output voltage can be adjusted back by gradually and gently changing the voltage value. The original preset output voltage can reduce the crosstalk of the signal while reducing the voltage deviation range.
为让本发明的上述内容能更明显易懂，下文特举优选实施例，且配合所附图式，作详细说明如下：In order to make the above-mentioned content of the present invention more obvious and understandable, the following is a detailed description of preferred embodiments, and in conjunction with the accompanying drawings:
附图说明Description of the drawings
图1A为现有技术的显示面板的显示区的示意图。FIG. 1A is a schematic diagram of a display area of a display panel in the prior art.
图1B为现有技术显示面板在灰白跳变时产生的公共电极电压(VCOM)偏移及对应的公共电极电压(VCOM)波形图。FIG. 1B is a common electrode voltage (VCOM) deviation and corresponding common electrode voltage (VCOM) waveform diagram generated by a prior art display panel during a gray-white transition.
图2为现有技术显示面板的反馈公共电极电压(VCOM_FB)电路架构示意图。FIG. 2 is a schematic diagram of a feedback common electrode voltage (VCOM_FB) circuit structure of a display panel in the prior art.
图3为现有技术显示面板的反馈公共电极电压(VCOM_FB)的反馈波形示意图。FIG. 3 is a schematic diagram of the feedback waveform of the feedback common electrode voltage (VCOM_FB) of the prior art display panel.
图4为本发明显示面板水平串扰的步骤流程图。FIG. 4 is a flowchart of the steps of the horizontal crosstalk of the display panel of the present invention.
图5为本发明显示面板的公共电极电压(VCOM)的正输出电压或负输出电压的调整方向的波形示意图。5 is a schematic diagram of the waveform of the adjustment direction of the positive output voltage or the negative output voltage of the common electrode voltage (VCOM) of the display panel of the present invention.
图6为显示面板的显示区的正面示意图，其上有视觉显着的干扰线。FIG. 6 is a schematic front view of the display area of the display panel, with visually significant interference lines on it.
图7为本发明显示面板的公共电极电压(VCOM)以多个分段值进行调整的波形示意图。FIG. 7 is a schematic diagram of waveforms of the common electrode voltage (VCOM) of the display panel of the present invention being adjusted with multiple segmented values.
图8为显示面板的显示区的正面示意图，其上有视觉不显着的淡化干扰线。FIG. 8 is a schematic front view of the display area of the display panel, on which there are visually inconspicuous lightened interference lines.
本发明的实施方式Embodiments of the present invention
请参照图4，图4为本发明显示面板水平串扰的步骤流程图。本发明显示面板水平串扰的改善方法包括：面板提供步骤S01、画面侦测步骤S02、正负电压调整判断步骤S03、分行调整电压步骤S04、以及电压偏差幅度降低步骤S05。Please refer to FIG. 4, which is a flowchart of the steps of the horizontal crosstalk of the display panel of the present invention. The method for improving the horizontal crosstalk of the display panel of the present invention includes: panel providing step S01, image detection step S02, positive and negative voltage adjustment judgment step S03, branch voltage adjustment step S04, and voltage deviation range reduction step S05.
所述面板提供步骤S01，包括提供一显示面板，所述显示面板包括一显示区10，该显示区10包括多个像素，各所述像素可显示灰阶色或白色，所述显示面板根据所述多个像素的灰阶色或白色而定义出灰色区域11及白色区域12。在本发明一实施例中，各所述像素具有红色子像素、蓝色子像素、以及绿色子像素，各所述红色子像素、蓝色子像素、或绿色子像素的亮度值在0至255，所述红色子像素、蓝色子像素、以及绿色子像素的亮度值的平均值决定该像素为灰阶色或是白色。The panel providing step S01 includes providing a display panel, the display panel includes a display area 10, the display area 10 includes a plurality of pixels, each of the pixels can display grayscale color or white, the display panel according to the The gray scale color or white color of the plurality of pixels defines a gray area 11 and a white area 12. In an embodiment of the present invention, each of the pixels has a red sub-pixel, a blue sub-pixel, and a green sub-pixel, and the brightness value of each of the red, blue, or green sub-pixels ranges from 0 to 255. The average value of the luminance values of the red sub-pixel, blue sub-pixel, and green sub-pixel determines whether the pixel is grayscale or white.
所述画面侦测步骤S02，包括侦测所述显示区10上的灰色区域11的画面范围以及白色区域12的画面范围以决定一由所述灰色区域11跳变至所述白色区域12的灰白跳变处。在本发明一实施例中，所述白色区域12位于所述显示区10的中央，所述灰色区域11位于所述显示区10的周边且环绕所述白色区域12。The image detection step S02 includes detecting the image range of the gray area 11 and the image range of the white area 12 on the display area 10 to determine a gray-white transition from the gray area 11 to the white area 12 Jumping place. In an embodiment of the present invention, the white area 12 is located at the center of the display area 10, and the gray area 11 is located at the periphery of the display area 10 and surrounds the white area 12.
请参照图5，为本发明显示面板的公共电极电压(VCOM)的正输出电压或负输出电压的调整方向的波形示意图。所述正负电压调整判断步骤S03，包括依据所述显示区10上由所述灰色区域11跳变至所述白色区域12的灰白跳变处的公共电极电压(VCOM)的正输出电压或负输出电压与一预设输出电压之间的偏差方向，决定白色区域12的正输出电压或负输出电压总调整值。Please refer to FIG. 5, which is a schematic diagram of the waveform of the adjustment direction of the positive output voltage or the negative output voltage of the common electrode voltage (VCOM) of the display panel of the present invention. The positive and negative voltage adjustment judgment step S03 includes the positive or negative output voltage of the common electrode voltage (VCOM) at the gray transition from the gray area 11 to the white area 12 on the display area 10 The deviation direction between the output voltage and a preset output voltage determines the total adjustment value of the positive output voltage or the negative output voltage of the white area 12.
请参照图6，图6为显示面板的显示区10的正面示意图，其上有视觉显着的干扰线。在本发明一实施例中，所述灰白跳变处，在所述显示区10上呈现为一条视觉上的干扰线。Please refer to FIG. 6. FIG. 6 is a schematic front view of the display area 10 of the display panel with visually significant interference lines. In an embodiment of the present invention, the gray-white transition appears as a visual interference line on the display area 10.
请参照图7，图7为本发明显示面板的公共电极电压(VCOM)以多个分段值进行调整的波形示意图。所述分行调整电压步骤S04，包括决定所述白色区域12的正输出电压总调整值(△V+)或负输出电压总调整值(△V-)，所述正输出电压或负输出电压总调整值包括一分段下限阈值(△V1)以及一分段调整总值（△VTotal = △V+ - △V1，或△VTotal = △V- - △V1)，并将所述分段调整总值分割为多个分段值。在本发明一实施例中，当正输出电压或负输出电压小于分段下限阈值(△V1)时，所述分段调整总值为负值，则所述分行调整电压步骤S04不分割所述分段调整总值。在本发明一实施例中，所述多个分段值为至少4个分段值。Please refer to FIG. 7. FIG. 7 is a schematic diagram of waveforms in which the common electrode voltage (VCOM) of the display panel of the present invention is adjusted with multiple segmented values. The branch voltage adjustment step S04 includes determining the total adjustment value of the positive output voltage (△V+) or the total adjustment value of the negative output voltage (△V-) of the white area 12, and the total adjustment of the positive output voltage or the negative output voltage The value includes a segmented lower limit threshold (△V1) and a segmented adjustment total value (△VTotal = △V+-△V1, or △VTotal = △V--△V1), and the segmented adjustment total value is divided For multiple segment values. In an embodiment of the present invention, when the positive output voltage or the negative output voltage is less than the segment lower limit threshold (ΔV1), the segment adjustment total value is a negative value, then the branch adjustment voltage step S04 does not divide the segment Adjust the total value in segments. In an embodiment of the present invention, the multiple segment values are at least 4 segment values.
所述电压偏差幅度降低步骤S05，包括先根据所述分段下限阈值(△V1)一次性调整所述显示面板端公共电极电压(VCOM)的正输出电压或负输出电压，使所述正输出电压或负输出电压与预设输出电压之间的偏差逐步降低，接着再根据所述分段调整总值的所述多个分段值，进一步逐步调整所述显示面板端公共电极电压(VCOM)的正输出电压或负输出电压，使所述正输出电压或负输出电压与预设输出电压之间的偏差进一步逐步降低，进而降低串扰。The step S05 of reducing the voltage deviation amplitude includes first adjusting the positive output voltage or the negative output voltage of the common electrode voltage (VCOM) of the display panel terminal at one time according to the segmented lower limit threshold (△V1), so that the positive output The voltage or the deviation between the negative output voltage and the preset output voltage is gradually reduced, and then the multiple segment values of the total value are adjusted according to the segments, and the common electrode voltage (VCOM) of the display panel terminal is further adjusted gradually The positive output voltage or the negative output voltage is further reduced gradually, and the crosstalk is reduced further by the deviation between the positive output voltage or the negative output voltage and the preset output voltage.
请参照图8，图8为显示面板的显示区10的正面示意图，其上有视觉不显着的淡化干扰线。在本发明一实施例中，所述电压偏差幅度降低步骤S05的执行使所述视觉上的干扰线被淡化成淡化干扰线。Please refer to FIG. 8, which is a schematic front view of the display area 10 of the display panel, on which there are visually inconspicuous lightened interference lines. In an embodiment of the present invention, the execution of the step S05 of reducing the voltage deviation amplitude causes the visual interference line to be diluted into a diluted interference line.
本发明一实施例中，所述电压偏差幅度降低步骤S05的执行使所述视觉上的干扰线被消除。In an embodiment of the present invention, the execution of the step S05 of reducing the voltage deviation amplitude causes the visual interference line to be eliminated.
与现有技术相比，本发明先根据所述分段下限阈值(△V1)一次性调整所述显示面板端公共电极电压(VCOM)的正输出电压或负输出电压，使所述正输出电压或负输出电压与预设输出电压之间的偏差逐步降低，接着再根据所述分段调整总值的所述多个分段值，进一步逐步调整所述显示面板端公共电极电压(VCOM)的正输出电压或负输出电压，使所述正输出电压或负输出电压与预设输出电压之间的偏差进一步逐步降低，进而降低串扰，藉此能够以逐步缓和地改变电压值的方式，将偏离的正输出电压或负输出电压调整回原预设输出电压，能够在缩小电压偏差幅度的同时，并有效减少讯号的串扰。Compared with the prior art, the present invention first adjusts the positive output voltage or the negative output voltage of the common electrode voltage (VCOM) of the display panel terminal at one time according to the segmented lower threshold (△V1), so that the positive output voltage Or the deviation between the negative output voltage and the preset output voltage is gradually reduced, and then the multiple segment values of the total value are adjusted according to the segments, and the common electrode voltage (VCOM) of the display panel terminal is further adjusted gradually. Positive output voltage or negative output voltage, so that the deviation between the positive output voltage or negative output voltage and the preset output voltage is further gradually reduced, thereby reducing crosstalk, so that the deviation can be gradually changed by gradually changing the voltage value. Adjusting the positive output voltage or negative output voltage to the original preset output voltage can reduce the voltage deviation while effectively reducing the crosstalk of the signal.

Claims (11)

  1. 一种显示面板水平串扰的改善方法，包括：A method for improving the horizontal crosstalk of a display panel includes:
    面板提供步骤，包括提供一显示面板，所述显示面板包括一显示区，该显示区包括多个像素，各所述像素可显示灰阶色或白色，所述显示面板根据所述多个像素的灰阶色或白色而定义出灰色区域及白色区域；The panel providing step includes providing a display panel, the display panel including a display area, the display area includes a plurality of pixels, each of the pixels can display grayscale or white, the display panel according to the plurality of pixels Grayscale color or white defines the gray area and white area;
    画面侦测步骤，包括侦测所述显示区上的灰色区域的画面范围以及白色区域的画面范围以决定一由所述灰色区域跳变至所述白色区域的灰白跳变处；The image detection step includes detecting the image range of the gray area and the image range of the white area on the display area to determine a gray-white transition from the gray area to the white area;
    正负电压调整判断步骤，包括决定白色区域的正输出电压或负输出电压总调整值；The positive and negative voltage adjustment judgment step includes determining the total adjustment value of the positive output voltage or the negative output voltage of the white area;
    分行调整电压步骤，包括决定所述白色区域的正输出电压总调整值或负输出电压总调整值，所述正输出电压或负输出电压总调整值包括一分段下限阈值以及一分段调整总值，并将所述分段调整总值分割为多个分段值；以及The step of adjusting the voltage by branch includes determining the total adjustment value of the positive output voltage or the total adjustment value of the negative output voltage of the white area. The total adjustment value of the positive output voltage or the negative output voltage includes a segmented lower limit threshold and a segmented adjustment total. Value, and divide the segment adjustment total value into a plurality of segment values; and
    电压偏差幅度降低步骤，包括根据所述分段调整总值的所述多个分段值，进一步逐步调整所述显示面板端公共电极电压的正输出电压或负输出电压，使所述正输出电压或负输出电压与预设输出电压之间的偏差进一步逐步降低。The step of reducing the voltage deviation amplitude includes adjusting the multiple segment values of the total value according to the segment, and further gradually adjusting the positive output voltage or the negative output voltage of the common electrode voltage of the display panel terminal, so that the positive output voltage Or the deviation between the negative output voltage and the preset output voltage is further gradually reduced.
  2. 如权利要求1所述的显示面板水平串扰的改善方法其中：The method for improving horizontal crosstalk of a display panel as claimed in claim 1, wherein:
    所述正负电压调整判断步骤，包括依据所述显示区上由所述灰色区域跳变至所述白色区域的灰白跳变处的公共电极电压的正输出电压或负输出电压与一预设输出电压之间的偏差方向，决定白色区域的正输出电压或负输出电压总调整值；The step of adjusting and judging the positive and negative voltages includes a positive output voltage or a negative output voltage and a preset output based on the common electrode voltage at the gray transition from the gray area to the white area on the display area The deviation direction between the voltages determines the total adjustment value of the positive output voltage or the negative output voltage in the white area;
    所述电压偏差幅度降低步骤，包括先根据所述分段下限阈值一次性调整所述显示面板端公共电极电压的正输出电压或负输出电压，使所述正输出电压或负输出电压与预设输出电压之间的偏差逐步降低，接着再根据所述分段调整总值的所述多个分段值，进一步逐步调整所述显示面板端公共电极电压的正输出电压或负输出电压，使所述正输出电压或负输出电压与预设输出电压之间的偏差进一步逐步降低。The step of reducing the voltage deviation amplitude includes first adjusting the positive output voltage or the negative output voltage of the common electrode voltage of the display panel terminal at one time according to the segmented lower limit threshold value, so that the positive output voltage or the negative output voltage is the same as the preset value. The deviation between the output voltages is gradually reduced, and then the multiple segment values of the total value are adjusted according to the segments, and the positive output voltage or the negative output voltage of the common electrode voltage at the display panel terminal is further adjusted gradually, so that all The deviation between the positive output voltage or the negative output voltage and the preset output voltage is further gradually reduced.
  3. 如权利要求1所述的显示面板水平串扰的改善方法其中，所述白色区域位于所述显示区的中央，所述灰色区域位于所述显示区的周边且环绕所述白色区域。The method for improving horizontal crosstalk of a display panel according to claim 1, wherein the white area is located at the center of the display area, and the gray area is located at the periphery of the display area and surrounds the white area.
  4. 如权利要求1所述的显示面板水平串扰的改善方法其中，当正输出电压或负输出电压小于分段下限阈值时，所述分段调整总值为负值，则所述分行调整电压步骤不分割所述分段调整总值。The method for improving the horizontal crosstalk of a display panel according to claim 1, wherein when the positive output voltage or the negative output voltage is less than the segment lower limit threshold, the segment adjustment total value is a negative value, and the branch adjustment voltage step does not Split the segment to adjust the total value.
  5. 如权利要求1所述的显示面板水平串扰的改善方法其中，所述多个分段值为至少4个分段值。The method for improving horizontal crosstalk of a display panel according to claim 1, wherein the plurality of segment values are at least 4 segment values.
  6. 如权利要求1所述的显示面板水平串扰的改善方法其中，所述电压偏差幅度降低步骤的执行使所述视觉上的干扰线被淡化成淡化干扰线。The method for improving horizontal crosstalk of a display panel according to claim 1, wherein the execution of the step of reducing the voltage deviation amplitude causes the visual interference line to be diluted into a lightened interference line.
  7. 如权利要求1所述的显示面板水平串扰的改善方法其中，所述电压偏差幅度降低步骤的执行使所述视觉上的干扰线被消除。The method for improving horizontal crosstalk of a display panel according to claim 1, wherein the execution of the step of reducing the voltage deviation amplitude causes the visual interference line to be eliminated.
  8. 如权利要求1所述的显示面板水平串扰的改善方法其中，各所述像素具有红色子像素、蓝色子像素、以及绿色子像素，各所述红色子像素、蓝色子像素、或绿色子像素的亮度值在0至255，所述红色子像素、蓝色子像素、以及绿色子像素的亮度值的平均值决定该像素为灰阶色或是白色。The method for improving horizontal crosstalk of a display panel according to claim 1, wherein each of the pixels has a red sub-pixel, a blue sub-pixel, and a green sub-pixel, and each of the red sub-pixels, blue sub-pixels, or green sub-pixels The brightness value of the pixel ranges from 0 to 255, and the average value of the brightness values of the red sub-pixel, blue sub-pixel, and green sub-pixel determines whether the pixel is gray-scale or white.
  9. 一种显示面板水平串扰的改善方法，包括：A method for improving the horizontal crosstalk of a display panel includes:
    面板提供步骤，包括提供一显示面板，所述显示面板包括一显示区，该显示区包括多个像素，各所述像素可显示灰阶色或白色，所述显示面板根据所述多个像素的灰阶色或白色而定义出灰色区域及白色区域；The panel providing step includes providing a display panel, the display panel including a display area, the display area includes a plurality of pixels, each of the pixels can display grayscale or white, the display panel according to the plurality of pixels Grayscale color or white defines the gray area and white area;
    画面侦测步骤，包括侦测所述显示区上的灰色区域的画面范围以及白色区域的画面范围以决定一由所述灰色区域跳变至所述白色区域的灰白跳变处；The image detection step includes detecting the image range of the gray area and the image range of the white area on the display area to determine a gray-white transition from the gray area to the white area;
    正负电压调整判断步骤，包括依据所述显示区上由所述灰色区域跳变至所述白色区域的灰白跳变处的公共电极电压的正输出电压或负输出电压与一预设输出电压之间的偏差方向，决定白色区域的正输出电压或负输出电压总调整值；The step of adjusting the positive and negative voltages includes determining the positive or negative output voltage based on the positive or negative output voltage of the common electrode voltage at the gray transition from the gray area to the white area on the display area and a preset output voltage. The direction of the deviation between the two determines the total adjustment value of the positive output voltage or the negative output voltage in the white area;
    分行调整电压步骤，包括决定所述白色区域的正输出电压总调整值或负输出电压总调整值，所述正输出电压或负输出电压总调整值包括一分段下限阈值以及一分段调整总值，并将所述分段调整总值分割为多个分段值；以及The step of adjusting the voltage by branch includes determining the total adjustment value of the positive output voltage or the total adjustment value of the negative output voltage of the white area. The total adjustment value of the positive output voltage or the negative output voltage includes a segmented lower limit threshold and a segmented adjustment total. Value, and divide the segment adjustment total value into a plurality of segment values; and
    电压偏差幅度降低步骤，包括先根据所述分段下限阈值一次性调整所述显示面板端公共电极电压的正输出电压或负输出电压，使所述正输出电压或负输出电压与预设输出电压之间的偏差逐步降低，接着再根据所述分段调整总值的所述多个分段值，进一步逐步调整所述显示面板端公共电极电压的正输出电压或负输出电压，使所述正输出电压或负输出电压与预设输出电压之间的偏差进一步逐步降低；The step of reducing the voltage deviation amplitude includes first adjusting the positive output voltage or the negative output voltage of the common electrode voltage of the display panel terminal at one time according to the segmented lower limit threshold value, so that the positive output voltage or the negative output voltage is the same as the preset output voltage. The deviation between the two is gradually reduced, and then the multiple segment values of the total value are adjusted according to the segment, and the positive output voltage or the negative output voltage of the common electrode voltage at the display panel terminal is further adjusted gradually, so that the positive The deviation between the output voltage or negative output voltage and the preset output voltage is further reduced gradually;
    其中，所述白色区域位于所述显示区的中央，所述灰色区域位于所述显示区的周边且环绕所述白色区域；Wherein, the white area is located at the center of the display area, and the gray area is located at the periphery of the display area and surrounds the white area;
    其中，当正输出电压或负输出电压小于分段下限阈值时，所述分段调整总值为负值，则所述分行调整电压步骤不分割所述分段调整总值。Wherein, when the positive output voltage or the negative output voltage is less than the segment lower limit threshold, the segment adjustment total value is a negative value, and the branch adjustment voltage step does not divide the segment adjustment total value.
  10. 如权利要求9所述的显示面板水平串扰的改善方法其中，所述电压偏差幅度降低步骤的执行使所述视觉上的干扰线被淡化成淡化干扰线。9. The method for improving the horizontal crosstalk of a display panel according to claim 9, wherein the execution of the step of reducing the voltage deviation amplitude causes the visual interference line to be diluted into a lightened interference line.
  11. 一种显示面板水平串扰的改善方法，包括：A method for improving the horizontal crosstalk of a display panel includes:
    面板提供步骤，包括提供一显示面板，所述显示面板包括一显示区，该显示区包括多个像素，各所述像素可显示灰阶色或白色，所述显示面板根据所述多个像素的灰阶色或白色而定义出灰色区域及白色区域；The panel providing step includes providing a display panel, the display panel including a display area, the display area includes a plurality of pixels, each of the pixels can display grayscale or white, the display panel according to the plurality of pixels Grayscale color or white defines the gray area and white area;
    画面侦测步骤，包括侦测所述显示区上的灰色区域的画面范围以及白色区域的画面范围以决定一由所述灰色区域跳变至所述白色区域的灰白跳变处；The image detection step includes detecting the image range of the gray area and the image range of the white area on the display area to determine a gray-white transition from the gray area to the white area;
    正负电压调整判断步骤，包括依据所述显示区上由所述灰色区域跳变至所述白色区域的灰白跳变处的公共电极电压的正输出电压或负输出电压与一预设输出电压之间的偏差方向，决定白色区域的正输出电压或负输出电压总调整值；The step of adjusting the positive and negative voltages includes determining the positive or negative output voltage based on the positive or negative output voltage of the common electrode voltage at the gray transition from the gray area to the white area on the display area and a preset output voltage. The direction of the deviation between the two determines the total adjustment value of the positive output voltage or the negative output voltage in the white area;
    分行调整电压步骤，包括决定所述白色区域的正输出电压总调整值或负输出电压总调整值，所述正输出电压或负输出电压总调整值包括一分段下限阈值以及一分段调整总值，并将所述分段调整总值分割为多个分段值；以及The step of adjusting the voltage by branch includes determining the total adjustment value of the positive output voltage or the total adjustment value of the negative output voltage of the white area. The total adjustment value of the positive output voltage or the negative output voltage includes a segmented lower limit threshold and a segmented adjustment total. Value, and divide the segment adjustment total value into a plurality of segment values; and
    电压偏差幅度降低步骤，包括先根据所述分段下限阈值一次性调整所述显示面板端公共电极电压的正输出电压或负输出电压，使所述正输出电压或负输出电压与预设输出电压之间的偏差逐步降低，接着再根据所述分段调整总值的所述多个分段值，进一步逐步调整所述显示面板端公共电极电压的正输出电压或负输出电压，使所述正输出电压或负输出电压与预设输出电压之间的偏差进一步逐步降低；The step of reducing the voltage deviation amplitude includes first adjusting the positive output voltage or the negative output voltage of the common electrode voltage of the display panel terminal at one time according to the segmented lower limit threshold value, so that the positive output voltage or the negative output voltage is the same as the preset output voltage. The deviation between the two is gradually reduced, and then the multiple segment values of the total value are adjusted according to the segment, and the positive output voltage or the negative output voltage of the common electrode voltage at the display panel terminal is further adjusted gradually, so that the positive The deviation between the output voltage or negative output voltage and the preset output voltage is further reduced gradually;
    其中，所述白色区域位于所述显示区的中央，所述灰色区域位于所述显示区的周边且环绕所述白色区域；Wherein, the white area is located at the center of the display area, and the gray area is located at the periphery of the display area and surrounds the white area;
    其中，当正输出电压或负输出电压小于分段下限阈值时，所述分段调整总值为负值，则所述分行调整电压步骤不分割所述分段调整总值；Wherein, when the positive output voltage or the negative output voltage is less than the segment lower limit threshold, the segment adjustment total value is a negative value, and the branch adjustment voltage step does not divide the segment adjustment total value;
    其中，所述电压偏差幅度降低步骤的执行使所述视觉上的干扰线被淡化成淡化干扰线或是被消除；Wherein, the execution of the step of reducing the voltage deviation amplitude causes the visual interference line to be diluted into a diluted interference line or eliminated;
    其中，各所述像素具有红色子像素、蓝色子像素、以及绿色子像素，各所述红色子像素、蓝色子像素、或绿色子像素的亮度值在0至255，所述红色子像素、蓝色子像素、以及绿色子像素的亮度值的平均值决定该像素为灰阶色或是白色。Wherein, each of the pixels has a red sub-pixel, a blue sub-pixel, and a green sub-pixel, and the brightness value of each of the red, blue, or green sub-pixels ranges from 0 to 255, and the red sub-pixel The average value of the brightness values of the blue sub-pixel and the green sub-pixel determines whether the pixel is grayscale or white.
PCT/CN2019/124876 2019-11-25 2019-12-12 Method for improving horizontal crosstalk of display panel WO2021103158A1 (en)

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