WO2020107525A1 - 显示面板的电压补偿方法 - Google Patents

显示面板的电压补偿方法 Download PDF

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Publication number
WO2020107525A1
WO2020107525A1 PCT/CN2018/120068 CN2018120068W WO2020107525A1 WO 2020107525 A1 WO2020107525 A1 WO 2020107525A1 CN 2018120068 W CN2018120068 W CN 2018120068W WO 2020107525 A1 WO2020107525 A1 WO 2020107525A1
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input voltage
voltage value
nth
nth frame
frame
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PCT/CN2018/120068
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English (en)
French (fr)
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何怀亮
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惠科股份有限公司
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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
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3607—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels

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  • the present application relates to the field of display technology, and more specifically, to a voltage compensation method for a display panel.
  • TFT-LCD Thin Film Transistor-Liquid Crystal Display
  • the voltage on the pixel electrode will have a change. This change causes the data line to write the set pixel voltage, which changes after the TFT is turned off. This varying voltage will not only cause the gray scale displayed by the pixel to deviate from the gray scale originally desired by the written voltage. It will also cause the original data line to write voltages with positive and negative polarities symmetrically and deviate downward, resulting in a DC residual effect.
  • a voltage compensation method for a display panel including:
  • the preset rule includes the correspondence between the grayscale value of the Nth frame of the plurality of pixels, the grayscale value of the N-1th frame, and the compensation voltage value of the Nth frame of the plurality of pixels relationship;
  • N is greater than or equal to 1.
  • the method before the step of acquiring the grayscale value of the Nth frame of the plurality of pixels and the grayscale value of the N-1th frame of the plurality of pixels, the method further includes:
  • the input voltage value of the Nth frame of the plurality of pixel points is obtained through a voltage meter.
  • the input voltage value of the Nth frame of the plurality of pixels is obtained by a multimeter.
  • the method further includes:
  • the input voltage value of the Nth frame of the plurality of pixels and the compensation voltage value are processed to obtain an actual input voltage, and the actual Steps for input voltage input display panel.
  • the method further includes:
  • the potential of the input voltage value is a low potential, then return to the step of acquiring the input voltage value of the Nth frame of the plurality of pixel points.
  • the step of processing the input voltage value of the Nth frame of the plurality of pixels and the compensation voltage value to obtain an actual input voltage and inputting the actual input voltage into the display panel include:
  • the input voltage value of the Nth frame of the plurality of pixel points and the compensation voltage value are summed to obtain an actual input voltage, and the actual input voltage is input to the display panel.
  • the step of processing the input voltage value of the Nth frame of the plurality of pixels and the compensation voltage value to obtain an actual input voltage and inputting the actual input voltage into the display panel include:
  • a voltage compensation method for a display panel including:
  • the compensation voltage value of the Nth frame of the nth pixel is determined according to the grayscale value of the Nth frame of the nth pixel, the grayscale value of the N-1th frame and a preset rule ,
  • the preset rule includes the grayscale value of the Nth frame of the nth pixel, the grayscale value of the N-1th frame, and the compensation of the Nth frame of the nth pixel Correspondence between voltage values;
  • n is greater than or equal to 1;
  • N is greater than or equal to 1.
  • the method before the step of obtaining the grayscale value of the Nth frame of the nth pixel and the grayscale value of the Nth frame of the nth pixel, the method further includes :
  • the method further includes:
  • the input voltage value of the Nth frame of the nth pixel point and the compensation voltage value are processed to obtain the actual input voltage, and the The steps to input the actual input voltage into the display panel.
  • the method further includes:
  • the potential of the input voltage value is a low potential, then return to the step of acquiring the input voltage value of the Nth frame of the Nth pixel.
  • a voltage compensation method for a display panel including:
  • the preset rule includes the correspondence between the grayscale value of the Nth frame of the plurality of pixels, the grayscale value of the N-1th frame, and the compensation voltage value of the Nth frame of the plurality of pixels relationship;
  • the input voltage value of the Nth frame of the plurality of pixels and the compensation voltage value are summed to obtain the actual input voltage, and the actual input Voltage input display panel;
  • N is greater than or equal to 1.
  • the voltage compensation method of the display panel includes acquiring grayscale values of the Nth frame of a plurality of pixels and grayscale values of the N-1th frame of the plurality of pixels.
  • the compensation voltage value of the Nth frame of the plurality of pixels is determined according to the grayscale value of the Nth frame of the plurality of pixels, the grayscale value of the N-1th frame, and a preset rule.
  • the preset rule includes the grayscale value of the Nth frame of the plurality of pixels, the grayscale value of the N-1th frame, and the compensation voltage value of the Nth frame of the plurality of pixels Correspondence. Processing the input voltage value of the Nth frame of the plurality of pixel points and the compensation voltage value to obtain an actual input voltage, and inputting the actual input voltage to the display panel.
  • N is greater than or equal to 1.
  • the present application determines the Nth of the plurality of pixels by the grayscale value of the Nth frame of the plurality of pixels and the grayscale value of the N-1th frame of the plurality of pixels and the preset rule
  • the compensation voltage value of the frame and process the compensation voltage value and the input voltage value of the Nth frame of the plurality of pixels, and provide the processed actual input voltage to the display panel.
  • the voltage loss caused by the coupling effect of the parasitic capacitance is avoided, and the gray scale of the pixel display in the display panel is guaranteed as the target gray scale, thereby improving the display quality of the panel and customer satisfaction.
  • FIG. 1 is a flowchart of a voltage compensation method for a display panel provided by an embodiment of the application
  • FIG. 2 is a circuit diagram of a parasitic capacitance coupling effect provided by an embodiment of this application;
  • FIG. 3 is a waveform diagram of the parasitic capacitance coupling effect provided by an embodiment of the present application.
  • an embodiment of the present application provides a voltage compensation method for a display panel, including:
  • S102 Acquire grayscale values of the Nth frame of multiple pixels and grayscale values of the N-1th frame of the multiple pixels.
  • the method of acquiring the gray scale value of the Nth frame of the plurality of pixels and the gray scale value of the N-1 frame of the plurality of pixels is not limited, as long as it is guaranteed that the The grayscale value of the Nth frame of the plurality of pixels and the grayscale value of the N-1th frame of the plurality of pixels may be used.
  • the grayscale value of the Nth frame of the plurality of pixels and the grayscale value of the N-1th frame of the plurality of pixels can be obtained by a conventional acquisition method.
  • N is a natural number greater than or equal to 1.
  • S104 Determine the compensation voltage value of the Nth frame of the plurality of pixels according to the grayscale value of the Nth frame of the plurality of pixels, the grayscale value of the N-1th frame, and a preset rule ,
  • the preset rule includes the grayscale value of the Nth frame of the plurality of pixels, the grayscale value of the N-1th frame, and the compensation voltage value of the Nth frame of the plurality of pixels Correspondence.
  • the grayscale value of the Nth frame of the plurality of pixels, the grayscale value of the N-1th frame, and the compensation voltage value of the Nth frame of the plurality of pixels can be shown in the following table.
  • the compensation voltage value of the Nth frame of the plurality of pixels is V 10 .
  • the compensation voltage value of the Nth frame of the plurality of pixels is V 2541 .
  • the compensation voltage value of the Nth frame of the plurality of pixels is V 1255 .
  • the compensation voltage value of the Nth frame of the plurality of pixels and the grayscale value of the Nth frame of the plurality of pixels and the grayscale value of the N-1 frame is V 10 .
  • the values of the plurality of pixels can be determined according to the table The compensation voltage value of the Nth frame.
  • the grayscale value of the Nth frame of the plurality of pixels, the grayscale value of the N-1th frame, and the compensation voltage value of the Nth frame of the plurality of pixels may also be in other ways, which is not specifically limited here, as long as the gray scale value of the Nth frame and the gray scale value of the N-1th frame can be determined according to the plurality of pixels
  • the compensation voltage value of the Nth frame of the plurality of pixels is sufficient.
  • S106 Process the input voltage value of the Nth frame of the plurality of pixels and the compensation voltage value to obtain an actual input voltage, and input the actual input voltage to the display panel 400; and N is greater than or equal to 1.
  • the manner of processing the input voltage value of the Nth frame of the plurality of pixel points and the compensation voltage value is not limited, as long as the actual input voltage can be obtained.
  • the input voltage value and the compensation voltage value of the Nth frame of the plurality of pixel points may be summed.
  • the input voltage value and the compensation voltage value of the Nth frame of the plurality of pixel points may also be integrated. The specific processing method can be selected according to actual needs.
  • a voltage is input to the gate of the thin film transistor 500 through the data line 200, the thin film transistor 500 is turned on, and the voltage is transmitted to the display panel 400 through the parasitic capacitance 100 and the scan line 300 to make the display panel 400 display screen.
  • the plurality of pixels are determined by the grayscale value of the Nth frame of the plurality of pixels and the grayscale value of the N-1th frame of the plurality of pixels and the preset rule
  • the Nth frame of the compensation voltage value and process the compensation voltage value with the input voltage values of the Nth frame of the plurality of pixels, and provide the processed actual input voltage to the display panel 400.
  • the voltage loss caused by the coupling effect of the parasitic capacitance 100 is avoided, and the gray scale of the pixel display in the display panel 400 is ensured as the target gray scale, thereby improving the display quality of the display panel 400 and improving customer satisfaction.
  • the method before the step of acquiring the gray scale value of the Nth frame of multiple pixels and the gray scale value of the N-1 frame of the multiple pixels, the method further includes: obtaining The input voltage value of the Nth frame of the plurality of pixels.
  • the manner of acquiring the input voltage value of the Nth frame of the plurality of pixel points is not limited, as long as it is ensured that the input voltage value of the Nth frame of the plurality of pixel points can be obtained.
  • the input voltage value of the Nth frame of the plurality of pixels can be obtained by a multimeter.
  • the input voltage value of the Nth frame of the plurality of pixel points may also be obtained through a voltage meter. The specific method for obtaining the input voltage value of the Nth frame of the plurality of pixels can be selected according to actual needs.
  • the method further includes: The potential of the input voltage value is determined. If the potential of the input voltage value is a high potential, the input voltage value of the Nth frame of the plurality of pixels and the compensation voltage value are processed to obtain an actual input voltage, and the actual The step of inputting the input voltage to the display panel 400.
  • the input voltage value of the Nth frame of the plurality of pixel points and the compensation voltage value are processed to obtain the actual input voltage.
  • the potential of the input voltage value is low, the input voltage value of the Nth frame of the plurality of pixel points and the compensation voltage value are not processed, that is, the input voltage value is not subjected to voltage at this time
  • voltage compensation is performed on the input voltage value to make the voltage input to the display panel 400 the target voltage.
  • the method further includes: if the potential of the input voltage value is a low potential, returning to the acquiring The step of inputting the voltage value of the Nth frame of the plurality of pixels.
  • the potential of the input voltage value is a low potential
  • the method further includes: if it is judged that the potential of the input voltage value is a low potential, then return to the step of acquiring the input voltage value of the Nth frame of the plurality of pixels until it is judged that the potential of the input voltage value is a high potential Only then will the input voltage value of the Nth frame of the plurality of pixel points and the compensation voltage value be processed.
  • the step of processing the input voltage value of the Nth frame of the plurality of pixels and the compensation voltage value to obtain an actual input voltage, and the step of inputting the actual input voltage into the display panel includes : Summing the input voltage value of the Nth frame of the plurality of pixel points and the compensation voltage value to obtain an actual input voltage, and input the actual input voltage to the display panel.
  • the input voltage value of the Nth frame of the plurality of pixels and the compensation voltage value may also be multiplied, as long as the actual input voltage can be obtained.
  • Another embodiment of the present application provides a voltage compensation method for a display panel, including: first, acquiring a grayscale value of an Nth frame of the nth pixel and a grayscale of the N-1th frame of the nth pixel Order value. Second.
  • the compensation voltage value of the Nth frame of the nth pixel is determined according to the grayscale value of the Nth frame of the nth pixel, the grayscale value of the N-1th frame and a preset rule ,
  • the preset rule includes the grayscale value of the Nth frame of the nth pixel, the grayscale value of the N-1th frame, and the compensation of the Nth frame of the nth pixel Correspondence between voltage values.
  • the input voltage value of the Nth frame of the nth pixel point and the compensation voltage value are processed to obtain an actual input voltage, and the actual input voltage is input to the display panel.
  • n is greater than or equal to 1
  • N is greater than or equal to 1.
  • the method of obtaining the grayscale value of the Nth frame of the nth pixel and the grayscale value of the N-1th frame of the nth pixel is not limited as long as it can be obtained
  • the grayscale value of the Nth frame to the nth pixel point and the grayscale value of the N-1th frame of the nth pixel point may be sufficient.
  • the grayscale value of the Nth frame of the nth pixel and the grayscale value of the N-1th frame of the nth pixel can be performed by a traditional acquisition method Obtain.
  • N is a natural number greater than or equal to 1.
  • the grayscale value of the Nth frame of the nth pixel, the grayscale value of the N-1th frame, and the compensation voltage of the Nth frame of the nth pixel may be the correspondence relationship described in the above embodiment, and the description will not be repeated here.
  • the manner of processing the input voltage value of the Nth frame of the nth pixel point and the compensation voltage value is not limited, as long as the actual input voltage can be obtained.
  • the input voltage value and the compensation voltage value of the Nth frame of the nth pixel point may be summed.
  • the input voltage value and the compensation voltage value of the Nth frame of the nth pixel point may also be integrated. The specific processing method can be selected according to actual needs.
  • the nth pixel is determined by the grayscale value of the Nth frame of the nth pixel, the grayscale value of the N-1th frame of the nth pixel, and the preset rule.
  • the voltage loss caused by the coupling effect of the parasitic capacitance 100 is avoided, and the gray scale of the pixel display in the display panel 400 is ensured as the target gray scale, thereby improving the display quality of the display panel 400 and improving customer satisfaction.
  • the method before the step of obtaining the grayscale value of the Nth frame of the nth pixel and the grayscale value of the N-1th frame of the nth pixel, the method further includes: Obtain the input voltage value of the Nth frame of the nth pixel.
  • the manner of acquiring the input voltage value of the Nth frame of the nth pixel point is not limited, as long as the input voltage value of the Nth frame of the nth pixel point can be obtained.
  • the input voltage value of the Nth frame of the nth pixel can be obtained by a multimeter.
  • the input voltage value of the N-th frame of the n-th pixel can also be obtained through a voltmeter. The specific method for obtaining the input voltage value of the Nth frame of the nth pixel point can be selected according to actual needs.
  • the method further includes: inputting the input of the Nth frame of the nth pixel The potential of the voltage value is judged. If the potential of the input voltage value is high, the input voltage value of the Nth frame of the nth pixel point and the compensation voltage value are processed to obtain the actual input voltage, and the The steps to input the actual input voltage into the display panel.
  • the method further includes: if the potential of the input voltage value is a low potential, returning to the The step of obtaining the input voltage value of the Nth frame of the nth pixel point. When it is judged that the potential of the input voltage value is a low potential, then return to the step of acquiring the input voltage value of the Nth frame of the nth pixel point until it is judged that the potential of the input voltage value is a high potential Only when the input voltage value of the Nth frame of the nth pixel point and the compensation voltage value are processed.
  • An embodiment of the present application provides a voltage compensation method for a display panel, which includes: first, acquiring grayscale values of an Nth frame of a plurality of pixels and grayscale values of an N-1th frame of the plurality of pixels. Secondly, the compensation voltage value of the Nth frame of the plurality of pixels is determined according to the grayscale value of the Nth frame of the plurality of pixels, the grayscale value of the N-1th frame, and a preset rule .
  • the preset rule includes the grayscale value of the Nth frame of the plurality of pixels, the grayscale value of the N-1th frame, and the compensation voltage value of the Nth frame of the plurality of pixels Correspondence.
  • the input voltage value of the Nth frame of the plurality of pixel points is acquired, and the potential of the input voltage value is determined. Finally, if the potential of the input voltage value is high, the input voltage value of the Nth frame of the plurality of pixels and the compensation voltage value are summed to obtain the actual input voltage, and the The actual input voltage is input to the display panel. Where N is greater than or equal to 1.
  • the method of acquiring the gray scale value of the Nth frame of the plurality of pixels and the gray scale value of the N-1 frame of the plurality of pixels is not limited, as long as it is guaranteed that the The grayscale value of the Nth frame of the plurality of pixels and the grayscale value of the N-1th frame of the plurality of pixels may be used.
  • the grayscale value of the Nth frame of the plurality of pixels and the grayscale value of the N-1th frame of the plurality of pixels can be obtained by a conventional acquisition method.
  • N is a natural number greater than or equal to 1.
  • the grayscale value of the Nth frame of the plurality of pixels, the grayscale value of the N-1th frame, and the compensation voltage value of the Nth frame of the plurality of pixels may be the correspondence relationship described in the above embodiment, and the description will not be repeated here.
  • the present application can avoid the voltage loss caused by the coupling effect of the parasitic capacitance 100, and ensure that the gray scale of the pixel display in the display panel 400 is the target gray scale, thereby improving the display quality of the display panel 400, Improve customer satisfaction.

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Abstract

一种显示面板的电压补偿方法，包括：获取多个像素点的第N帧的灰阶值和所述多个像素点的第N-1帧的灰阶值（S102）；依据所述多个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和预设规则确定所述多个像素点的第N帧的补偿电压值，所述预设规则包括所述多个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和所述多个像素点的第N帧的补偿电压值的对应关系（S104）；将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板（S106）。

Description

显示面板的电压补偿方法
相关申请
本申请要求2018年11月28日申请的，申请号为201811448713.9，名称为“显示面板的电压补偿方法”的中国专利申请的优先权，在此将其全文引入作为参考。
技术领域
本申请涉及显示技术领域，更具体的说，涉及一种显示面板的电压补偿方法。
背景技术
这里的陈述仅提供与本申请有关的背景信息，而不必然地构成现有技术。
TFT-LCD(Thin Film Transistor-Liquid Crystal Display，薄膜晶体管液晶显示器)在TFT(Thin Film Transistor，薄膜晶体管)由开到关闭的时候，像素电极上的电荷不再流动到数据线，会进入电荷守恒。
因为栅极与源极之间存在寄生电容的原因，像素电极上的电压会有一个变化量，这个变化量使得数据线写入所设定的像素电压，在TFT关闭后有所变动。而这个变动的电压不仅会使得像素最后所显示的灰阶，偏离原来写入电压所希望表现的灰阶。还会使得原来数据线写入正负极性大小对称的电压，向下偏离，产生直流残留效应。
而现有显示面板在设计时还无法避免因寄生电容对电压产生的影响。
申请内容
基于此，有必要针对现有显示面板在设计时无法避免因寄生电容对电压产 生影响的问题，提供一种显示面板的电压补偿方法。
一种显示面板的电压补偿方法，包括：
获取多个像素点的第N帧的灰阶值和所述多个像素点的第N-1帧的灰阶值；
依据所述多个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和预设规则确定所述多个像素点的第N帧的补偿电压值，所述预设规则包括所述多个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和所述多个像素点的第N帧的补偿电压值的对应关系；
将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板；以及
N大于或等于1。
在其中一个实施例中，所述获取多个像素点的第N帧的灰阶值和所述多个像素点的第N-1帧的灰阶值的步骤之前，所述方法还包括：
获取所述多个像素点的第N帧的输入电压值。
在其中一个实施例中，通过电压表获取所述多个像素点的第N帧的输入电压值。
在其中一个实施例中，通过万用表获取所述多个像素点的第N帧的输入电压值。
在其中一个实施例中，所述获取所述多个像素点的第N帧的输入电压值的步骤之后，所述方法还包括：
对所述多个像素点的第N帧的所述输入电压值的电位进行判断；
若所述输入电压值的电位为高电位，则进行所述将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板的步骤。
在其中一个实施例中，所述获取所述多个像素点的第N帧的输入电压值的 步骤之后，所述方法还包括：
若所述输入电压值的电位为低电位，则返回所述获取所述多个像素点的第N帧的输入电压值的步骤。
在其中一个实施例中，所述将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板的步骤包括：
将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行求和处理，得到实际输入电压，并将所述实际输入电压输入显示面板。
在其中一个实施例中，所述将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板的步骤包括：
将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行求积处理，得到实际输入电压，并将所述实际输入电压输入显示面板。
一种显示面板的电压补偿方法，包括：
获取第n个像素点的第N帧的灰阶值和所述第n个像素点的第N-1帧的灰阶值；
依据所述第n个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和预设规则确定所述第n个像素点的第N帧的补偿电压值，所述预设规则包括所述第n个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和所述第n个像素点的第N帧的补偿电压值的对应关系；
将所述第n个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板；
n大于或等于1；
N大于或等于1。
在其中一个实施例中，所述获取第n个像素点的第N帧的灰阶值和所述第n个像素点的第N-1帧的灰阶值的步骤之前，所述方法还包括：
获取所述第n个像素点的第N帧的输入电压值。
在其中一个实施例中，所述获取所述第n个像素点的第N帧的输入电压值的步骤之后，所述方法还包括：
对所述第n个像素点的第N帧的所述输入电压值的电位进行判断；
若所述输入电压值的电位为高电位，则进行所述将所述第n个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板的步骤。
在其中一个实施例中，所述获取所述第n个像素点的第N帧的输入电压值的步骤之后，所述方法还包括：
若所述输入电压值的电位为低电位，则返回所述获取所述第n个像素点的第N帧的输入电压值的步骤。
一种显示面板的电压补偿方法，包括：
获取多个像素点的第N帧的灰阶值和所述多个像素点的第N-1帧的灰阶值；
依据所述多个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和预设规则确定所述多个像素点的第N帧的补偿电压值，所述预设规则包括所述多个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和所述多个像素点的第N帧的补偿电压值的对应关系；
获取所述多个像素点的第N帧的输入电压值，并对所述输入电压值的电位进行判断；
若所述输入电压值的电位为高电位，则将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行求和处理，得到实际输入电压，并将所述实际输入电压输入显示面板；
N大于或等于1。
从上述的技术方案可知，上述显示面板的电压补偿方法，包括获取多个像素点的第N帧的灰阶值和所述多个像素点的第N-1帧的灰阶值。依据所述多个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和预设规则确定所述多个像素点的第N帧的补偿电压值。所述预设规则包括所述多个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和所述多个像素点的第N帧的补偿电压值的对应关系。将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板。N大于或等于1。
本申请通过所述多个像素点的第N帧的灰阶值和所述多个像素点的第N-1帧的灰阶值和所述预设规则确定所述多个像素点的第N帧的补偿电压值，并将所述补偿电压值与所述多个像素点的第N帧的输入电压值进行处理，并将处理后的实际输入电压提供给所述显示面板。避免了寄生电容因耦合效应造成的电压损失，保证了所述显示面板中像素显示的灰阶为目标灰阶，进而提高面板的显示品质，以及客户满意度。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的实施例，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，还可以根据公开的附图获得其他的附图。
图1为本申请一实施例提供的显示面板的电压补偿方法的流程图；
图2为本申请一实施例提供的寄生电容耦合效应的电路图；
图3为本申请一实施例提供的寄生电容耦合效应的波形图。
附图标记
100寄生电容
200数据线
300扫描线
400显示面板
500薄膜晶体管
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
请参见图1，本申请一实施例提供一种显示面板的电压补偿方法，包括：
S102：获取多个像素点的第N帧的灰阶值和所述多个像素点的第N-1帧的灰阶值。
可以理解，获取所述多个像素点的第N帧的所述灰阶值和所述多个像素点的第N-1帧的所述灰阶值的方式不限，只要保证能够获取到所述多个像素点的第N帧的所述灰阶值和所述多个像素点的第N-1帧的所述灰阶值即可。在一个实施例中，可通过传统获取方法对所述多个像素点的第N帧的所述灰阶值和所述多个像素点的第N-1帧的所述灰阶值进行获取。在一个实施例中，N为大于或等于1的自然数。
S104：依据所述多个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和预设规则确定所述多个像素点的第N帧的补偿电压值，所述预设规则包括所述多个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和所述多个像素点的第N帧的补偿电压值的对应关系。
在一个实施例中，所述多个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和所述多个像素点的第N帧的补偿电压值的对应关系可如下表所示。
Figure PCTCN2018120068-appb-000001
当所述多个像素点的第N帧的所述灰阶值为1、第N-1帧的所述灰阶值为0时，所述多个像素点的第N帧的补偿电压值为V 10。当所述多个像素点的第N帧的所述灰阶值为254、第N-1帧的所述灰阶值为1时，所述多个像素点的第N帧的补偿电压值为V 2541。当所述多个像素点的第N帧的所述灰阶值为1、第N-1帧的所述灰阶值为255时，所述多个像素点的第N帧的补偿电压值为V 1255。同样的，其他所述多个像素点的第N帧的所述补偿电压值与所述多个像素点的第N帧的所述灰阶值和第N-1帧的所述灰阶值的对应关系也采用上述的对应关系。
根据表格可知，在所述多个像素点的第N帧的所述灰阶值和第N-1帧的所述灰阶值为确定值时，即可根据表格确定所述多个像素点的第N帧的补偿电压值。在一个实施例中，所述多个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和所述多个像素点的第N帧的补偿电压值的对应关系也可采用其他方式，这里就不做具体的限定，只要保证依据所述多个像素点的第N帧的所述灰阶值和第N-1帧的所述灰阶值能够确定所述多个像素点的第N帧的补偿电压值即可。
S106：将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板400；以及N大 于或等于1。
可以理解，将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行处理的方式不限，只要保证能够得到所述实际输入电压即可。在一个实施例中，可将所述多个像素点的第N帧的所述输入电压值和所述补偿电压值进行求和处理。在一个实施例中，也可将所述多个像素点的第N帧的所述输入电压值和所述补偿电压值进行求积处理。具体的处理方式，可根据实际需求进行选择。
请参见图2，通过数据线200将电压输入至薄膜晶体管500的栅极，所述薄膜晶体管500打开，电压经寄生电容100以及扫描线300传输至所述显示面板400，以使所述显示面板400显示画面。
本实施例中，通过所述多个像素点的第N帧的灰阶值和所述多个像素点的第N-1帧的灰阶值和所述预设规则确定所述多个像素点的第N帧的补偿电压值，并将所述补偿电压值与所述多个像素点的第N帧的输入电压值进行处理，并将处理后的实际输入电压提供给所述显示面板400。避免了寄生电容100因耦合效应造成的电压损失，保证了所述显示面板400中像素显示的灰阶为目标灰阶，进而提高所述显示面板400的显示品质，以及提高客户满意度。
在一个实施例中，所述获取多个像素点的第N帧的灰阶值和所述多个像素点的第N-1帧的灰阶值的步骤之前，所述方法还包括：获取所述多个像素点的第N帧的输入电压值。
可以理解，获取所述多个像素点的第N帧的输入电压值的方式不限，只要保证能够得到所述多个像素点的第N帧的输入电压值即可。在一个实施例中，可通过万用表获取所述多个像素点的第N帧的输入电压值。在一个实施例中，也可通过电压表获取所述多个像素点的第N帧的输入电压值。获取所述多个像素点的第N帧的输入电压值的具体方式，可根据实际需求进行选择。
请参见图3，在一个实施例中，所述获取所述多个像素点的第N帧的输入 电压值的步骤之后，所述方法还包括：对所述多个像素点的第N帧的所述输入电压值的电位进行判断。若所述输入电压值的电位为高电位，则进行所述将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板400的步骤。
可以理解，只有在所述输入电压值的电位为高电位时，才将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行处理，从而得到所述实际输入电压。当所述输入电压值的电位为低电位时，并不将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行处理，即此时不对所述输入电压值进行电压补偿，只有在所述输入电压值的电位为高电位时，才对所述输入电压值进行电压补偿，以使输入所述显示面板400的电压为目标电压。
在一个实施例中，所述获取所述多个像素点的第N帧的输入电压值的步骤之后，所述方法还包括：若所述输入电压值的电位为低电位，则返回所述获取所述多个像素点的第N帧的输入电压值的步骤。当判断所述输入电压值的电位为低电位时，此时返回所述获取所述多个像素点的第N帧的输入电压值的步骤，直到判断所述输入电压值的电位为高电位时，才会将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行处理。
在一个实施例中，所述将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板的步骤包括：将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行求和处理，得到实际输入电压，并将所述实际输入电压输入显示面板。在一个实施例中，也可将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行求积处理，只要保证能够得到所述实际输入电压即可。
本申请另一实施例提供一种显示面板的电压补偿方法，包括：首先，获取第n个像素点的第N帧的灰阶值和所述第n个像素点的第N-1帧的灰阶值。其 次。依据所述第n个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和预设规则确定所述第n个像素点的第N帧的补偿电压值，所述预设规则包括所述第n个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和所述第n个像素点的第N帧的补偿电压值的对应关系。最后，将所述第n个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板。其中，n大于或等于1，N大于或等于1。
可以理解，获取所述第n个像素点的第N帧的所述灰阶值和所述第n个像素点的第N-1帧的所述灰阶值的方式不限，只要保证能够获取到所述第n个像素点的第N帧的所述灰阶值和所述第n个像素点的第N-1帧的所述灰阶值即可。在一个实施例中，可通过传统获取方法对所述第n个像素点的第N帧的所述灰阶值和所述第n个像素点的第N-1帧的所述灰阶值进行获取。在一个实施例中，N为大于或等于1的自然数。
在一个实施例中，所述第n个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和所述第n个像素点的第N帧的补偿电压值的对应关系可采用上述实施例所述的对应关系，这里就不重复描述。
可以理解，将所述第n个像素点的第N帧的输入电压值和所述补偿电压值进行处理的方式不限，只要保证能够得到所述实际输入电压即可。在一个实施例中，可将所述第n个像素点的第N帧的所述输入电压值和所述补偿电压值进行求和处理。在一个实施例中，也可将所述第n个像素点的第N帧的所述输入电压值和所述补偿电压值进行求积处理。具体的处理方式，可根据实际需求进行选择。
本实施例中，通过所述第n个像素点的第N帧的灰阶值和所述第n个像素点的第N-1帧的灰阶值和所述预设规则确定所述第n个像素点的第N帧的补偿电压值，并将所述补偿电压值与所述第n个像素点的第N帧的输入电压值进行 处理，并将处理后的所述实际输入电压提供给所述显示面板400。避免了寄生电容100因耦合效应造成的电压损失，保证了所述显示面板400中像素显示的灰阶为目标灰阶，进而提高所述显示面板400的显示品质，以及提高客户满意度。
在一个实施例中，所述获取第n个像素点的第N帧的灰阶值和所述第n个像素点的第N-1帧的灰阶值的步骤之前，所述方法还包括：获取所述第n个像素点的第N帧的输入电压值。
可以理解，获取所述第n个像素点的第N帧的输入电压值的方式不限，只要保证能够得到所述第n个像素点的第N帧的输入电压值即可。在一个实施例中，可通过万用表获取所述第n个像素点的第N帧的输入电压值。在一个实施例中，也可通过电压表获取所述第n个像素点的第N帧的输入电压值。获取所述第n个像素点的第N帧的输入电压值的具体方式，可根据实际需求进行选择。
在一个实施例中，所述获取所述第n个像素点的第N帧的输入电压值的步骤之后，所述方法还包括：对所述第n个像素点的第N帧的所述输入电压值的电位进行判断。若所述输入电压值的电位为高电位，则进行所述将所述第n个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板的步骤。
可以理解，只有在所述输入电压值的电位为高电位时，才将所述第n个像素点的第N帧的输入电压值和所述补偿电压值进行处理，从而得到所述实际输入电压。当所述输入电压值的电位为低电位时，并不将所述第n个像素点的第N帧的输入电压值和所述补偿电压值进行处理，即此时不对所述输入电压值进行电压补偿，只有在所述输入电压值的电位为高电位时，才对所述输入电压值进行电压补偿，以使输入所述显示面板400的电压为目标电压。
在一个实施例中，所述获取所述第n个像素点的第N帧的输入电压值的步骤之后，所述方法还包括：若所述输入电压值的电位为低电位，则返回所述获 取所述第n个像素点的第N帧的输入电压值的步骤。当判断所述输入电压值的电位为低电位时，此时返回所述获取所述第n个像素点的第N帧的输入电压值的步骤，直到判断所述输入电压值的电位为高电位时，才会将所述第n个像素点的第N帧的输入电压值和所述补偿电压值进行处理。
本申请一实施例提供一种显示面板的电压补偿方法，包括：首先，获取多个像素点的第N帧的灰阶值和所述多个像素点的第N-1帧的灰阶值。其次，依据所述多个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和预设规则确定所述多个像素点的第N帧的补偿电压值。所述预设规则包括所述多个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和所述多个像素点的第N帧的补偿电压值的对应关系。再次，获取所述多个像素点的第N帧的输入电压值，并对所述输入电压值的电位进行判断。最后，若所述输入电压值的电位为高电位，则将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行求和处理，得到实际输入电压，并将所述实际输入电压输入显示面板。其中N大于或等于1。
可以理解，获取所述多个像素点的第N帧的所述灰阶值和所述多个像素点的第N-1帧的所述灰阶值的方式不限，只要保证能够获取到所述多个像素点的第N帧的所述灰阶值和所述多个像素点的第N-1帧的所述灰阶值即可。在一个实施例中，可通过传统获取方法对所述多个像素点的第N帧的所述灰阶值和所述多个像素点的第N-1帧的所述灰阶值进行获取。在一个实施例中，N为大于或等于1的自然数。
在一个实施例中，所述多个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和所述多个像素点的第N帧的补偿电压值的对应关系可采用上述实施例所述的对应关系，这里就不重复描述。
综上所述，本申请能够避免寄生电容100因耦合效应造成的电压损失，保 证了所述显示面板400中像素显示的灰阶为目标灰阶，进而提高所述显示面板400的显示品质，以及提高客户满意度。
最后，还需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语″包括″、″包含″或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句″包括一个......″限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
本说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本申请。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本申请的精神或范围的情况下，在其它实施例中实现。因此，本申请将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (20)

  1. 一种显示面板的电压补偿方法，其中，包括：
    获取多个像素点的第N帧的灰阶值和所述多个像素点的第N-1帧的灰阶值；
    依据所述多个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和预设规则确定所述多个像素点的第N帧的补偿电压值，所述预设规则包括所述多个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和所述多个像素点的第N帧的补偿电压值的对应关系；
    将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板；以及
    N大于或等于1。
  2. 根据权利要求1所述的显示面板的电压补偿方法，其中，所述获取多个像素点的第N帧的灰阶值和所述多个像素点的第N-1帧的灰阶值的步骤之前，所述方法还包括：
    获取所述多个像素点的第N帧的输入电压值。
  3. 根据权利要求2所述的显示面板的电压补偿方法，其中，通过电压表获取所述多个像素点的第N帧的输入电压值。
  4. 根据权利要求2所述的显示面板的电压补偿方法，其中，通过万用表获取所述多个像素点的第N帧的输入电压值。
  5. 根据权利要求2所述的显示面板的电压补偿方法，其中，所述获取所述多个像素点的第N帧的输入电压值的步骤之后，所述方法还包括：
    对所述多个像素点的第N帧的所述输入电压值的电位进行判断；
    若所述输入电压值的电位为高电位，则进行所述将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板的步骤。
  6. 根据权利要求5所述的显示面板的电压补偿方法，其中，所述获取所述多个像素点的第N帧的输入电压值的步骤之后，所述方法还包括：
    若所述输入电压值的电位为低电位，则返回所述获取所述多个像素点的第N帧的输入电压值的步骤。
  7. 根据权利要求1所述的显示面板的电压补偿方法，其中，所述将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板的步骤包括：
    将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行求和处理，得到实际输入电压，并将所述实际输入电压输入显示面板。
  8. 根据权利要求1所述的显示面板的电压补偿方法，其中，所述将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板的步骤包括：
    将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行求积处理，得到实际输入电压，并将所述实际输入电压输入显示面板。
  9. 一种显示面板的电压补偿方法，其中，包括：
    获取第n个像素点的第N帧的灰阶值和所述第n个像素点的第N-1帧的灰阶值；
    依据所述第n个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和预设规则确定所述第n个像素点的第N帧的补偿电压值，所述预设规则包括所述第n个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和所述第n个像素点的第N帧的补偿电压值的对应关系；
    将所述第n个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板；
    n大于或等于1；
    N大于或等于1。
  10. 根据权利要求9所述的显示面板的电压补偿方法，其中，所述获取第n个像素点的第N帧的灰阶值和所述第n个像素点的第N-1帧的灰阶值的步骤之前，所述方法还包括：
    获取所述第n个像素点的第N帧的输入电压值。
  11. 根据权利要求10所述的显示面板的电压补偿方法，其中，通过电压表获取第n个像素点的第N帧的输入电压值。
  12. 根据权利要求10所述的显示面板的电压补偿方法，其中，通过万用表获取第n个像素点的第N帧的输入电压值。
  13. 根据权利要求10所述的显示面板的电压补偿方法，其中，所述获取所述第n个像素点的第N帧的输入电压值的步骤之后，所述方法还包括：
    对所述第n个像素点的第N帧的所述输入电压值的电位进行判断；
    若所述输入电压值的电位为高电位，则进行所述将所述第n个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板的步骤。
  14. 根据权利要求13所述的显示面板的电压补偿方法，其中，所述获取所述第n个像素点的第N帧的输入电压值的步骤之后，所述方法还包括：
    若所述输入电压值的电位为低电位，则返回所述获取所述第n个像素点的第N帧的输入电压值的步骤。
  15. 根据权利要求9所述的显示面板的电压补偿方法，其中，所述将所述第n个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板的步骤包括：
    将所述第n个像素点的第N帧的所述输入电压值和所述补偿电压值进行求和处理，得到实际输入电压，并将所述实际输入电压输入显示面板。
  16. 根据权利要求9所述的显示面板的电压补偿方法，其中，所述将所述第n个像素点的第N帧的输入电压值和所述补偿电压值进行处理，得到实际输入电压，并将所述实际输入电压输入显示面板的步骤包括：
    将所述第n个像素点的第N帧的输入电压值和所述补偿电压值进行求积处理，得到实际输入电压，并将所述实际输入电压输入显示面板。
  17. 一种显示面板的电压补偿方法，其中，包括：
    获取多个像素点的第N帧的灰阶值和所述多个像素点的第N-1帧的灰阶值；
    依据所述多个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和预设规则确定所述多个像素点的第N帧的补偿电压值，所述预设规则包括所述多个像素点的第N帧的所述灰阶值、第N-1帧的所述灰阶值和所述多个像素点的第N帧的补偿电压值的对应关系；
    获取所述多个像素点的第N帧的输入电压值，并对所述输入电压值的电位进行判断；
    若所述输入电压值的电位为高电位，则将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行求和处理，得到实际输入电压，并将所述实际输入电压输入显示面板；
    N大于或等于1。
  18. 根据权利要求17所述的显示面板的电压补偿方法，其中，通过电压表获取所述多个像素点的第N帧的输入电压值。
  19. 根据权利要求17所述的显示面板的电压补偿方法，其中，所述获取所述多个像素点的第N帧的输入电压值，并对所述输入电压值的电位进行判断的步骤之后，所述方法还包括：
    若所述输入电压值的电位为低电位，则返回所述获取所述多个像素点的第N帧的输入电压值，并对所述输入电压值的电位进行判断的步骤。
  20. 根据权利要求17所述的显示面板的电压补偿方法，其中，所述将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行求和处理可替换为将所述多个像素点的第N帧的输入电压值和所述补偿电压值进行求积处理。
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