WO2020000866A1 - 像素电路及显示面板 - Google Patents

像素电路及显示面板 Download PDF

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Publication number
WO2020000866A1
WO2020000866A1 PCT/CN2018/115223 CN2018115223W WO2020000866A1 WO 2020000866 A1 WO2020000866 A1 WO 2020000866A1 CN 2018115223 W CN2018115223 W CN 2018115223W WO 2020000866 A1 WO2020000866 A1 WO 2020000866A1
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Prior art keywords
pixel
pixel unit
common electrode
switch
electrode line
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PCT/CN2018/115223
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English (en)
French (fr)
Inventor
黄北洲
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惠科股份有限公司
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Application filed by 惠科股份有限公司 filed Critical 惠科股份有限公司
Priority to US16/313,249 priority Critical patent/US10762849B2/en
Publication of WO2020000866A1 publication Critical patent/WO2020000866A1/zh

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    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G09G3/3258—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the voltage across the light-emitting element
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    • 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
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    • 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
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    • 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
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    • 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
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
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    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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    • 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

Definitions

  • the present application relates to the field of display technology, and in particular, to a pixel circuit and a display panel.
  • the pixels of the traditional display panel have the problem of large viewing angle under poor design or process variation. The reason is that when a large viewing angle is viewed sideways, a certain color display is dark. In terms of blue pixels, the low bias of the blue pixels at the low and medium gray levels results in the brightness of the blue sub-pixel region turning on later. In the R / G / B three-color pixel design, the voltage-dividing switches are all connected to the same common electrode line. This design cannot adapt to a certain color and improve the phenomenon of large viewing angle deviation. Therefore, a new pixel circuit design needs to be proposed to solve the problem. Such problems.
  • An object of the present application is to provide a pixel circuit and a display panel, including but not limited to solving the problem: different color pixel units in the display panel will have a large color deviation, the brightness of each pixel cannot be independently adjusted, and the viewing angle in the display panel is large Shows yellowish technical issues.
  • a pixel circuit including:
  • a first switch disposed in a main pixel area of the pixel unit
  • a second switch disposed in a sub-pixel area of the pixel unit
  • a voltage dividing switch disposed in a sub-pixel area of the pixel unit and coupled to the second switch;
  • the control terminals of the first switch, the second switch, and the voltage-dividing switch are connected to the same scanning line, and a portion of the voltage-dividing switch of the pixel unit is connected to the first common electrode line through a connection hole. Another portion of the voltage division switch of the pixel unit is connected to the second common electrode line;
  • the pixel unit connected to the second common electrode line is one or more, and the pixel unit connected to the second common electrode line includes any one of a blue pixel unit, a red pixel unit, and a green pixel unit. .
  • Another object of the present application is to provide a pixel circuit, including:
  • a first switch disposed in a main pixel area of the pixel unit
  • a second switch disposed in a sub-pixel area of the pixel unit
  • a voltage dividing switch disposed in a sub-pixel area of the pixel unit and coupled to the second switch;
  • the control terminals of the first switch, the second switch, and the voltage-dividing switch are connected to the same scanning line, and part of the voltage-dividing switches of the pixel unit are connected to the first common electrode line through a connection hole, and the other part
  • the voltage division switch of the pixel unit is connected to a second common electrode line, and one or more pixel units are connected to the second common electrode line;
  • the pixel unit connected to the second common electrode line is any one of a blue pixel unit, a red pixel unit, and a green pixel unit, and the colors are different or the same in different pixel groups;
  • Each pixel group includes three pixel units of different colors, and the voltage dividing switch of the first pixel unit and the voltage dividing switch of the second pixel unit are connected to the first common electrode line.
  • a pressure switch is connected to the second common electrode line;
  • the third pixel unit is a blue pixel unit, a red pixel unit, or a green pixel unit;
  • the first common electrode line and the second common electrode line are driven separately or jointly.
  • Another object of the present application is to provide a display panel, including:
  • a substrate forming an active switch on the substrate
  • a pixel circuit the pixel circuit is disposed on the substrate, and the pixel circuit is coupled to the active switch;
  • the pixel circuit includes:
  • a first switch disposed in a main pixel area of the pixel unit
  • a second switch disposed in a sub-pixel area of the pixel unit
  • a voltage dividing switch disposed in a sub-pixel area of the pixel unit and coupled to the second switch;
  • the control terminals of the first switch, the second switch, and the voltage-dividing switch are connected to the same scanning line, and a portion of the voltage-dividing switch of the pixel unit is connected to the first common electrode line through a connection hole. Another portion of the voltage division switch of the pixel unit is connected to the second common electrode line;
  • the pixel unit connected to the second common electrode line is one or more, and the pixel unit connected to the second common electrode line includes any one of a blue pixel unit, a red pixel unit, and a green pixel unit. .
  • the pixel circuit provided in the embodiment of the present application is designed by using a common electrode line structure.
  • Each pixel group is driven by two common electrode lines, which can individually or collectively drive each pixel unit to emit a corresponding light source, and humidity-adjust each pixel unit.
  • the display panel can combine multiple pixel units to present a complete and clear picture.
  • the display panel has a better display effect of large viewing angles; it solves the problem of color shift between pixel units of different colors of the display panel in the exemplary technology. And the problem of yellowish display at large viewing angles.
  • FIG. 1 is a schematic structural diagram of an exemplary pixel circuit according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of another structure of a pixel circuit provided by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of another structure of a pixel circuit provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of another structure of a pixel circuit provided by an embodiment of the present application.
  • FIG. 5 is another schematic structural diagram of a pixel circuit according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a display device according to an embodiment of the present application.
  • FIG. 1 is a schematic diagram of an exemplary pixel circuit provided in an embodiment of the present application. Please refer to FIG. 1.
  • the exemplary pixel circuit 10 includes a plurality of pixel groups configured in an array, and each of the pixel groups includes a plurality of pixel units.
  • the pixel group may include, for example, three pixel units (red, green, blue, RGB), or four pixel units (red, green, blue, and white, RGBW).
  • FIG. 1 is a schematic diagram of an exemplary pixel circuit provided in an embodiment of the present application. Please refer to FIG. 1.
  • the exemplary pixel circuit 10 includes a plurality of pixel groups configured in an array, and each of the pixel groups includes a plurality of pixel units.
  • the pixel group may include, for example, three pixel units (red, green, blue, RGB), or four pixel units (red, green, blue, and white, RGBW).
  • each pixel unit uses three pixel units as an example, where each pixel unit is coupled to a corresponding data line and scan line, n is a positive number; for example, the pixel unit 110 is coupled to the data line Dn and the scan line Gn, and the pixel unit 120 is The pixel unit 130 is coupled to the data line Dn + 1 and the scan line Gn. The pixel unit 130 is coupled to the data line Dn + 2 and the scan line Gn.
  • Each pixel unit includes: a first switch T1; a second switch T2; and a voltage dividing switch T3.
  • the third switch T3 is connected to the common electrode line 210.
  • the first switch T1 is connected to the main pixel area
  • the second switch T2 and the voltage division switch T3 are connected to the sub pixel area.
  • the display effect of the pixel area and the sub-pixel area is to achieve the effect of low color shift and improving display quality.
  • due to the precision and sensitivity of the pixel circuit there is a slight oversight in the manufacturing process, which will have a significant impact on the display effect.
  • a pixel unit of a certain color (such as blue) will be displayed due to a circuit problem. It's dark.
  • the pixel unit 110, the pixel unit 120, and the pixel unit 130 are connected to the same common electrode line 210, the pixel unit of a certain color or a certain area cannot be adjusted independently, and the overall picture quality in the display panel is not good.
  • FIG. 2 is a schematic diagram of a pixel circuit provided in an embodiment of the present application.
  • a pixel circuit 20 includes a plurality of pixel groups configured in an array, and each of the pixel groups includes The three pixel units are a first pixel unit 110, a second pixel unit 120, and a third pixel unit 130, respectively.
  • Each pixel unit is coupled to a corresponding data line and scan line.
  • Each pixel unit includes: a first switch T1 provided in a main pixel area of the pixel unit; a second switch T2 provided in a sub-pixel area of the pixel unit; and a voltage dividing switch T3 provided in the pixel unit.
  • the sub-pixel region is coupled to the second switch, and a common electrode line is connected to the voltage dividing switch T3.
  • the common electrode line includes a first common electrode line 210 and a second common electrode line 220.
  • the control terminals of the first switch T1, the second switch T2 and the voltage-dividing switch T3 of the same pixel unit are connected to the same scanning line, and part of the voltage-dividing switches of the pixel unit pass
  • the connection hole is connected to the first common electrode line 210, another part of the pixel unit's voltage-dividing switch is connected to the second common electrode line 220, and one pixel unit is connected to the second common electrode line 220.
  • the voltage divider switch can control the voltage state of the sub-pixel area, so that the main pixel area and the sub-pixel area have different voltage differences, and then change the light emission situation of each pixel unit.
  • the light source color level in the pixel unit has better adjustability.
  • the picture of the panel can be combined with pixel units of three basic colors to achieve the effect of low color shift, which improves the picture display quality of the display panel with a large viewing angle, and the circuit structure of the pixel circuit 20 is more simplified;
  • the adjustability of each pixel is not strong, the color shift phenomenon of the large viewing angle display panel is more serious, and the problem of poor user visual experience .
  • the pixel unit connected to the second common electrode line 220 may be, for example, at least any one of a blue pixel unit, a red pixel unit, a green pixel unit, and a white pixel unit. It is restricted that the pixel units connected to the second common electrode line 220 are one or more pixel units of the same color and the same configuration.
  • the color of the pixel units connected to the second common electrode line 220 is different or the same.
  • the power state of the sub-pixel area in the plurality of pixel units can be changed through the second common electrode line 220.
  • the pixel units can display light sources of different colors and different brightness, which improves the display of different monochrome colors in the pixel units. Effect, the pixel group can combine multiple pixel units to present a complete picture, which improves the large viewing angle display effect in the display panel, and the picture in the display panel can present different gray levels.
  • the color of the pixel units connected to the first common electrode line 210 is different or the same.
  • the overall picture level in the display panel can be adjusted by the difference between the common voltage on the first common electrode line 210 and the pixel voltage in the pixel unit; then when the common voltage on the first common electrode line 210 changes At the same time, the colors of multiple pixel units will also show different light emitting states. Therefore, the pixel circuit 20 combines the light colors between different pixel units to improve the picture quality in the display panel and improve the problem of yellowish display at large viewing angles.
  • a first conduction termination of the first switch T1 is connected to the data line, and the first switch T1
  • the second conductive terminal of the second switch T2 is connected to the pixel electrode of the main pixel area
  • the first conductive terminal of the second switch T2 is connected to the data line
  • a first conductive terminal of the three switches T3 is commonly connected to the pixel electrode in the sub-pixel region
  • a second conductive terminal of the third switch T3 is connected to the common electrode line.
  • the second conductive end of the third switch T3 is connected to the first common electrode line 210 or the second common electrode line 220, and the third switch T3 is turned on or off by changing State, which can change the pixel electrode voltage of the sub-pixel in the pixel unit and adjust the light-emitting state of each pixel unit; when the third switch T3 is turned on, the pixel electrode of the sub-pixel and the first switch of the third switch T3 are turned on A current branch is formed between the terminal, the second conducting terminal of the third switch T3, and the common electrode line to change the voltage of the pixel electrode in the sub-pixel.
  • the potential of the main pixel area and the potential of the sub-pixel area are not the same.
  • Each pixel The unit can display light sources of corresponding colors.
  • the first switch T1 is a MOS tube or a transistor
  • the second switch T2 is a MOS tube or a transistor
  • the third switch T3 is a MOS tube or a transistor.
  • a first conductive terminal of the first switch T1 and a first conductive terminal of the second switch T2 are connected to a same data line.
  • the light emitting state of the main pixel region in the pixel unit can be controlled by the first switch T1, and the light emitting state of the sub pixel region in the pixel unit can be controlled by the second switch T2;
  • the embodiment of the present application can Driving the working states of the main pixel area and the sub-pixel area improves the image display effect of each pixel unit, and the overall display effect of the display panel screen is better; the number of data signals in the pixel circuit 20 and the scanning drive cost of the pixel unit are reduced.
  • the overall coordinated control performance of the main pixel area and the sub-pixel area in the pixel unit is improved, the large-angle display effect of the display panel is better, and the circuit structure of the pixel circuit 20 is simplified.
  • the common voltage in the first common electrode line 210 and the common voltage in the second common electrode line 220 are different.
  • the screen display state in the display panel can be changed by the common voltage on the first common electrode line 210 and the common voltage on the second common electrode line 220, the pixel units and connections connected to the first common electrode line 201
  • the pixel units on the second common electrode line 220 have different common voltages, there is a different voltage difference between the pixel voltage on each pixel unit and the corresponding common voltage, so that each pixel unit emits light.
  • the state can be adjusted individually, which improves the adjustability of the picture in the display panel, improves the display effect of large viewing angles in the display panel, and the picture in the display panel can combine different pixel units to present different gray levels.
  • any two pixel units are connected to different data lines.
  • each pixel unit in the same pixel group is respectively connected to different data signals, and each pixel unit can be controlled by the data signal.
  • Working state so that each pixel unit can achieve different light-emitting effects, the light-emitting state of each pixel unit in the pixel circuit 20 has better adjustability, and the display panel can combine different pixel units to present pictures of different color levels, The user's visual experience is better, and the large viewing angle deviation phenomenon of the display panel is improved.
  • all the pixel units are connected to the same scan line.
  • a pixel group includes a plurality of pixel units, and each pixel unit can achieve a different light-emitting effect; there is a scanning signal on the scanning line, and the switch in the pixel unit is controlled to be turned on or off by the scanning signal.
  • the pixel circuit 20 can control the light emitting state of multiple pixel units through one scanning signal, which improves the overall coordination performance between different pixel units and reduces the number of pixels in the display panel.
  • the scanning driving cost of each pixel unit simplifies the circuit structure of the pixel circuit 20; therefore, the display panel can combine multiple pixel units at the same time to present a better large-view-angle picture effect.
  • pixel units located in different pixel groups are respectively connected to different scanning lines.
  • each pixel group is connected to each scanning line one by one, and the corresponding pixel group can be driven to emit light sources of different colors and brightness through the scanning lines, and multiple pixel groups can combine light sources of different colors.
  • the picture in the display panel is driven by the scanning signal to display the corresponding image / video, the light-emitting state of each pixel group in the display panel can be adjusted individually, and the picture of the display panel can be adjusted It presents better quality large-angle display effects and clearer images / videos, which improves the large-view role deviation problem of the display panel.
  • each of the pixel units adopts an N-domain design; wherein, N is a positive integer greater than or equal to 1.
  • all the pixel units have the same number of domains.
  • each pixel unit since each pixel unit has multiple domains, for example, each pixel unit adopts a 2-domain or 4-domain design, and each domain can emit a corresponding color under the driving of a scanning signal and a driving signal or Bright light source.
  • each pixel unit is designed with multiple domains, each domain in the pixel unit can achieve an independent light-emitting effect, and then the pixel unit combines multiple domains to emit a light source with multiple color levels.
  • the overall brightness and color have better adaptation performance and coordination performance, which improves the overall display effect of the picture in the display panel.
  • each pixel group includes three pixel units of different colors, wherein a voltage division switch of the first pixel unit 110 and a voltage division switch of the second pixel unit 120 A pressure switch is connected to the first common electrode line 210, and a voltage dividing switch of the third pixel unit 130 is connected to the second common electrode line 220.
  • the first common electrode line 210 and the second common electrode line 220 can drive three pixel units with different colors to work simultaneously, and the common electrode line (including the first common electrode line 210 and the first common electrode line 210)
  • the two common electrode lines 220 can control the voltage of each pixel unit so that each pixel unit can present a different light-emitting state.
  • the second common electrode line 220 can individually control the pixel voltage of the third pixel unit 130, which improves the display.
  • the adjustable light-emitting state of the panel allows the display panel to combine different pixel units to display a more coordinated picture.
  • the color of three pixel units in each pixel group is different, and the colors may include three primary colors of red, green, and blue.
  • the first pixel unit 110 is red.
  • the two pixel units 120 are green, and the third pixel unit 130 is blue.
  • each pixel group can combine three basic colors to present pictures of different color levels, and the picture colors in the display panel have stronger controllability.
  • the third pixel unit 130 is a blue pixel unit, a red pixel unit, or a green pixel unit.
  • the blue pixel unit connected to the second common electrode line 220 as an example, but it is not limited to the blue pixel unit, and it may be other monochrome pixel units such as a red pixel unit and a green pixel unit. That is, the second common electrode line 220 individually controls the potential state of the blue pixel unit 130 through the voltage dividing switch T3, and can further flexibly control the light emitting state and light emitting degree of the blue pixel unit 130.
  • the first common electrode line 210 controls the light emitting state and the light emitting degree of the red pixel unit and the green pixel unit; the blue common pixel unit 130 can be separately controlled by the second common electrode line 220 to solve the blue problem.
  • the phenomenon that the color pixel unit 130 emits light is dark, specifically, improving the phenomenon of yellowing at large viewing angles, and the problem of color deviation at large viewing angles, and improving the display effect of the screen.
  • FIG. 3 shows a schematic circuit diagram of a pixel circuit 30 provided in an embodiment of the present application.
  • the pixel circuit 30 includes: a plurality of pixel groups configured in an array, The pixel group includes four pixel units, namely a first pixel unit 110, a second pixel unit 120, a third pixel unit 130, and a fourth pixel unit 140.
  • Each pixel unit is coupled to a corresponding data line and scan line, and can control the corresponding pixel unit to emit a corresponding light source through the data signal and the scan signal.
  • Each pixel unit includes: a first switch T1; a second switch T2; The voltage dividing switch T3 and a common electrode line are connected to the voltage dividing switch T3.
  • the common electrode line includes a first common electrode line 210 and a second common electrode line 220.
  • part of the voltage division switch T3 of the pixel unit is connected to the first common electrode line 210 through a connection hole, and part of the pixel unit voltage division switch T3 is connected to the second common electrode line 220, and There are two pixel units connected to the second common electrode line 220.
  • a voltage dividing switch of the first pixel unit 110 and the second pixel unit 120 is connected to a first common electrode line 210, and the third pixel unit 130
  • the voltage dividing switch connected to the fourth pixel unit 140 is connected to the second common electrode line 220.
  • the third pixel unit 130 may be, for example, a blue pixel unit, a red pixel unit, or a green pixel unit
  • the fourth pixel unit 140 may be, for example, a white pixel unit. That is, the pixel unit connected to the second common electrode line 220 is a white pixel unit 140 and a monochrome pixel unit.
  • the white pixel unit 140 is matched with the corresponding monochrome pixel unit to improve the aperture ratio of the monochrome pixel, and the third pixel unit 130 and the first pixel unit 130 can be controlled by the second common electrode line 220.
  • the first pixel unit 110, the second pixel unit 120, the third pixel unit 130, and the fourth pixel unit 140 have different signal driving methods to achieve Different light-emitting effects; and compared with the above-mentioned pixel circuit 20, the pixel circuit 30 has better operability of the light-emitting state of each pixel unit in the pixel group, and can better improve the performance of the monochrome pixel unit under a large viewing angle. Problems such as vignetting and color cast make the screen display more uniform.
  • FIG. 4 shows a schematic circuit diagram of a pixel circuit 40 provided in an embodiment of the present application.
  • a pixel circuit 40 includes: a plurality of pixel groups configured in an array.
  • a pixel group includes a first pixel unit 110, a second pixel unit 120, a third pixel unit 130, and a fourth pixel unit 140.
  • Each pixel unit is coupled to a corresponding data line and scan line.
  • the color of the four pixel units is different, wherein the first pixel unit 110, the second pixel unit 120, and the third pixel unit 130 are connected to the first common electrode line 210, and the fourth pixel unit 140 is connected to the second common electrode line 220.
  • the fourth pixel unit 140 may be, for example, a blue pixel unit, a red pixel unit, or a green pixel unit, but is not limited thereto, and may also be, for example, a yellow pixel unit or a cyan pixel unit. .
  • the light emitting state of the fourth pixel unit 140 can be individually adjusted through the second common electrode line 220, so that the fourth pixel unit 140 can exhibit different light emitting effects, and enhance different pixel units in the same pixel group. Coordination among them, each pixel unit in the display panel can be in a better working state, the display effect of the large viewing angle of the display panel is better, and the problem of yellowing of the large viewing angle in the display panel is improved.
  • FIG. 5 shows a schematic circuit diagram of a pixel circuit 50 provided in an embodiment of the present application.
  • a pixel circuit 50 includes: a plurality of pixel groups configured in an array, each A pixel group includes a first pixel unit 110, a second pixel unit 120, a third pixel unit 130, and a fourth pixel unit 140.
  • Each pixel unit is coupled to a corresponding data line and scan line. In each pixel group, the color of the four pixel units is different.
  • the first pixel unit 110 is connected to the first common electrode line 210, the second pixel unit 120, the third pixel unit 130, and the fourth pixel unit. 140 is connected to the second common electrode line 220.
  • the fourth pixel unit 140 is a white pixel unit
  • the second pixel unit 120 is a blue pixel unit, a red pixel unit, or a green pixel unit
  • the third pixel unit 130 is Blue pixel unit, red pixel unit, or green pixel unit.
  • the first pixel unit 110 is a red pixel unit
  • the second pixel unit 120 is a blue pixel unit
  • the third pixel unit 130 is a green pixel unit
  • the fourth pixel unit 140 is a white pixel unit
  • the light emitting state of the first pixel unit 110 can be controlled through the first common electrode line 210
  • the second pixel unit 120, the third pixel unit 130, and the fourth pixel can be controlled through the second common electrode line 220.
  • the light-emitting state of the unit 140 enables the working states of different pixel units to be adjusted separately, the screen brightness of the display panel can be adjusted in real time, and the large-view screen display effect of the display panel is better, bringing a good visual experience to the user.
  • the first common electrode line 210 and the second common electrode line 220 are respectively connected to a part of the pixel unit. But in essence, they are all electrode layers, that is, the first common electrode line 210 and the second common electrode line 220 can be replaced with each other.
  • the monochromatic pixel unit is also controlled by the second common electrode line 220 of the above embodiment, and is converted to perform control by the first common electrode line 210 instead of the first common electrode line 210 and the second common electrode line shown in the figure.
  • the circuit configuration of 220 is limited.
  • the first common electrode line 210 and the second common electrode line 220 are driven separately, but they may also be driven together.
  • the pixel circuit has problems such as color shift and yellowing at large viewing angles, such problems can be effectively solved.
  • the sum of the partial pixel units and the other partial pixel units is all the pixel units on the panel.
  • the pixel units located in the same row are correspondingly connected to the same first common electrode line 210 or to different second common electrode lines 220.
  • the pixel units located in the same column are correspondingly connected to different first common electrode lines 210 or to the same second common electrode line 220.
  • a portion of the voltage dividing switch and the first common electrode line are directly connected through a connection hole.
  • a conductive substance may be used as an intermediate substance to connect part of the voltage dividing switch and the first common electrode line.
  • the conductive substance may be, for example, a conductive metal and a compound thereof.
  • An embodiment of the present application provides a display panel.
  • the display panel includes a substrate and a pixel circuit.
  • the substrate has an active switch formed on the substrate.
  • a pixel circuit the pixel circuit is disposed on the substrate, and the pixel circuit is coupled to the active switch.
  • the pixel circuit includes:
  • the first switch is disposed in a main pixel area of the pixel unit.
  • the second switch is disposed in a sub-pixel area of the pixel unit.
  • a voltage dividing switch disposed in a sub-pixel area of the pixel unit and coupled to the second switch;
  • a common electrode line is connected to the voltage dividing switch, wherein the common electrode line includes a first common electrode line and a second common electrode line.
  • the control terminals of the first switch, the second switch, and the voltage-dividing switch are connected to the same scanning line, and a portion of the voltage-dividing switch of the pixel unit is connected to the first common electrode line through a connection hole. Another part of the voltage division switch of the pixel unit is connected to the second common electrode line.
  • the pixel unit connected to the second common electrode line is one or more, and the pixel unit connected to the second common electrode line includes any one of a blue pixel unit, a red pixel unit, and a green pixel unit. .
  • the display panel may be, for example, a liquid crystal display panel, which has a color film substrate and an active switch substrate.
  • a liquid crystal display panel which has a color film substrate and an active switch substrate.
  • OLED Organic Electroluminesence Display
  • QLED Quadantum Dot Light Emitting Diodes
  • FIG. 6 shows a module structure of a display device provided in an embodiment of the present application. Please refer to FIG. 2 and FIG. 6 at the same time.
  • a display device 60 includes a control element 601 and a display panel 602.
  • the display panel 602 For a specific implementation manner of the display panel 602, reference may be made to the embodiments in FIG. 2 to FIG. 5, and details are not described herein again.
  • the present application enables the common electrode line to individually or collectively drive each pixel unit, and can appropriately adjust the light-emitting state and light-emitting degree of each pixel unit.
  • the resulting problems such as color casts and dark streaks between different color pixel units can further improve the phenomenon of poor vision at large viewing angles and improve product quality and competitiveness.

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Abstract

一种像素电路及显示面板，其中，像素电路包括多个阵列配置的像素组，像素组包括若干个像素单元，每一个像素单元包括：第一开关、第二开关、分压开关以及公共电极线。

Description

像素电路及显示面板 技术领域
本申请涉及显示技术领域，尤其涉及一种像素电路及显示面板。
背景技术
传统的显示面板的像素在设计不佳或制程变异下会产生大视角色偏的问题，其原因在于大视角侧视时，存在某种颜色的显示偏暗。以蓝色像素而言，其在中低灰阶(Gray Level)时蓝色像素偏压较低导致蓝色子像素区亮度较晚开启。而R/G/B三色像素设计，其分压开关皆连接至同一公共电极线，如此设计无法针对某种颜色进行调适进而改善大视角偏差的现象，因此需提出新的像素电路设计来解决此类问题。
申请内容
本申请一目的在于提供一种像素电路及显示面板，包括但不限于解决：显示面板中不同颜色像素单元会存在较大色偏，每一个像素的亮度无法进行独立的调节，显示面板中大视角显示偏黄的技术问题。
为解决上述技术问题，本申请实施例采用的技术方案是：一种像素电路，包括：
多个阵列配置的像素组，所述像素组具有若干像素单元，每一所述像素单元耦接相应的数据线和扫描线，每一所述像素单元包括：
第一开关，设置于所述像素单元的主像素区；
第二开关，设置于所述像素单元的子像素区；
分压开关，设置于所述像素单元的子像素区，与所述第二开关耦接；以及
公共电极线，与所述分压开关连接，其中，所述公共电极线包括第一公共电极线和第二公共电极线；
其中，所述第一开关，所述第二开关和所述分压开关的控制端连接同一扫描线，且部分所述像素单元的分压开关通过连接孔连接到所述第一公共电极线，另一部分所述像素单元的分压开关连接到所述第二公共电极线；
其中，连接到所述第二公共电极线的像素单元为一个或一个以上，且连接到所述第二公共电极线的像素单元包括蓝色像素单元，红色像素单元，绿色像素单元中任一者。
本申请的另一目的在于提供一种像素电路，包括：
多个阵列配置的像素组，所述像素组具有若干像素单元，每一所述像素单元耦接相应的数据线和扫描线，每一所述像素单元包括：
第一开关，设置于所述像素单元的主像素区；
第二开关，设置于所述像素单元的子像素区；
分压开关，设置于所述像素单元的子像素区，与所述第二开关耦接；以及
公共电极线，与所述分压开关连接，其中，所述公共电极线包括第一公共电极线和第二公共电极线；
其中，所述第一开关，所述第二开关和所述分压开关的控制端连接同一扫描线，且部分所述像素单元的分压开关通过连接孔连接到第一公共电极线，另一部分所述像素单元的分压开关连接到第二公共电极线，且连接到所述第二公共电极线的像素单元为一个或一个以上；
其中，连接到所述第二公共电极线的像素单元为蓝色像素单元，红色像素单元，绿色像素单元中任一者，且于不同像素组中，其颜色为相异或相同；
其中，每一像素组包括三个颜色相异的像素单元，且第一像素单元的分压 开关和第二像素单元的分压开关与所述第一公共电极线相连，第三像素单元的分压开关与所述第二公共电极线相连；
其中，所述第三像素单元为蓝色像素单元，红色像素单元或绿色像素单元；
其中，所述第一公共电极线和所述第二公共电极线为单独驱动或共同驱动。
本申请的再一目的在于提供一种显示面板，包括：
基板，在基板上形成主动开关；以及
像素电路；所述像素电路设置于所述基板上，所述像素电路耦接所述主动开关；
其中，所述像素电路包括：
多个阵列配置的像素组，所述像素组具有若干像素单元，每一所述像素单元耦接相应的数据线和扫描线，每一所述像素单元包括：
第一开关，设置于所述像素单元的主像素区；
第二开关，设置于所述像素单元的子像素区；
分压开关，设置于所述像素单元的子像素区，与所述第二开关耦接；以及
公共电极线，与所述分压开关连接，其中，所述公共电极线包括第一公共电极线和第二公共电极线；
其中，所述第一开关，所述第二开关和所述分压开关的控制端连接同一扫描线，且部分所述像素单元的分压开关通过连接孔连接到所述第一公共电极线，另一部分所述像素单元的分压开关连接到所述第二公共电极线；
其中，连接到所述第二公共电极线的像素单元为一个或一个以上，且连接到所述第二公共电极线的像素单元包括蓝色像素单元，红色像素单元，绿色像素单元中任一者。
本申请实施例提供的像素电路通过对公共电极线的结构设计，每一个像素组采用两条公共电极线进行驱动，可以单独或者共同驱动各个像素单元发出相应的光源，并且湿度地调节各个像素单元的发光程度，显示面板能够结合多个像素单元呈现完整、清晰的画面，显示面板具有更佳的大视角显示效果；解决了示例性技术中显示面板不同颜色的像素单元之间的色偏问题，以及大视角显示偏黄的问题。
附图说明
为了更清楚地说明本发明实施例中的技术方案，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发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图。
图1是本申请实施例提供的范例性的像素电路结构示意图；
图2是本申请实施例提供的像素电路另一种结构示意图；
图3是本申请实施例提供的像素电路另一种结构示意图；
图4是本申请实施例提供的像素电路另一种结构示意图；
图5是本申请实施例提供的像素电路另一种结构示意图；
图6是本申请实施例提供的显示装置结构示意图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。
需说明的是，当部件被称为“固定于”或“设置于”另一个部件，它可以 直接在另一个部件上或者间接在该另一个部件上。当一个部件被称为是“连接于”另一个部件，它可以是直接或者间接连接至该另一个部件上。术语“上”、“下”、“左”、“右”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本专利的限制，对于本领域的普通技术人员而言，可以根据具体情况理解上述术语的具体含义。术语“第一”、“第二”仅用于便于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明技术特征的数量。“多个”的含义是两个或两个以上，除非另有明确具体的限定。
为了说明本申请所述的技术方案，以下结合具体附图及实施例进行详细说明。
图1为本申请实施例提供范例性的像素电路示意图，请参考图1，范例性的像素电路10，包括：阵列配置的多个像素组，每一所述像素组包括若干像素单元，其中，所述像素组可例如包括三个像素单元(红绿蓝，RGB)，或四个像素单元(红绿蓝白，RGBW)。图1以三个像素单元为例示，其中每一像素单元耦接相应的数据线和扫描线，n为正数；示例性的，像素单元110耦接数据线Dn和扫描线Gn，像素单元120耦接数据线Dn+1和扫描线Gn，像素单元130耦接数据线Dn+2和扫描线Gn；每一像素单元包括：第一开关T1；第二开关T2；以及分压开关T3，所述第三开关T3与公共电极线210相连接。其中，第一开关T1连接主像素区，第二开关T2和分压开关T3连接子像素区，通过分压开关T3的分压作用，使得主像素区和子像素区的电位有所不同，区分主像素区和子像素区的显示效果，以达到低色偏且可提高显示质量的效果。但是由于像素电路精密且敏感，制程上稍有疏忽，即会对显示效果造成不小的 影响，且在大视角侧视时，某种颜色(例如蓝色)的像素单元会因电路问题而显示偏暗。又因像素单元110，像素单元120以及像素单元130连接于同一公共电极线210，无法单独调节某一颜色或某一区域的像素单元，显示面板中整体画面的质量不佳。
图2为本申请实施例提供的像素电路示意图，请参考图2，在本申请的一实施例中，一种像素电路20，包括：多个阵列配置的像素组，每一所述像素组包括三个像素单元，分别为第一像素单元110，第二像素单元120，第三像素单元130。其中，每一像素单元耦接相应的数据线和扫描线。每一像素单元包括：第一开关T1，设置于所述像素单元的主像素区；第二开关T2，设置于所述像素单元的子像素区；分压开关T3，设置于所述像素单元的子像素区，与所述第二开关耦接，以及公共电极线，与所述分压开关T3相连接，所述公共电极线包括第一公共电极线210和第二公共电极线220。于每一像素组中，同一像素单元的所述第一开关T1，所述第二开关T2和所述分压开关T3的控制端连接同一扫描线，且部分所述像素单元的分压开关通过连接孔连接到第一公共电极线210，另一部分所述像素单元的分压开关连接到第二公共电极线220，且连接到所述第二公共电极线220的像素单元为一个。
在本申请实施例中，由于第一公共电极线210和第二公共电极线220分别存在着公共电压，通过调节像素单元中各个像素区的电压与公共电压之间的电源差，可相应地调节显示面板的画面显示效果，给用户带来良好的视觉体验；如图2所示，由于像素电路20包括两条公共电极线(第一公共电极线210和第二公共电极线220)，并且通过分压开关能够控制子像素区的电压状态，使主像素区和子像素区具有不同的电压差，进而改变每一个像素单元的发光情况，像素单元中光源色阶具有更佳的可调性，显示面板的画面能够结合三种基 本颜色的像素单元以实现低色偏的效果，提高了显示面板的大视角的画面显示质量，像素电路20的电路结构更加简化；从而解决了传统技术中显示面板中每一个像素的可调性不强，大视角显示面板色偏现象较为严重，用户视觉体验不佳的问题。
作为一种可选的实施方式，连接到所述第二公共电极线220的像素单元可例如为蓝色像素单元，红色像素单元，绿色像素单元及白色像素单元中至少任一者，但非以之限制与所述第二公共电极线220连接的像素单元为同一颜色且同一配置的一个或多个像素单元。
作为一种可选的实施方式，在不同像素组中，连接到所述第二公共电极线220的像素单元的颜色为相异或相同。
在本申请实施例中，通过第二公共电极线220能够改变多个像素单元中子像素区的电源状态，像素单元能够显示不同颜色和不同亮度的光源，改善了像素单元中不同单色的显示效果，像素组能够结合多个像素单元以呈现完整的画面，提高了显示面板中的大视角显示效果，显示面板中的画面能够呈现不同的灰阶。
作为一种可选的实施方式，在不同像素组中，连接到所述第一公共电极线210的像素单元的颜色为相异或者相同。
在本申请实施例中，通过第一公共电极线210上的公共电压与像素单元中像素电压的差异可调整显示面板中的整体画阶；那么当第一公共电极线210上的公共电压发生改变时，多个像素单元的颜色也会呈现不同的发光状态，因此所述像素电路20结合不同像素单元之间的光色，以提高显示面板中画面质量，改善大视角显示偏黄的问题。
作为一种可选的实施方式，如图2所示，其中，在每一所述像素单元中， 所述第一开关T1的第一导通端接所述数据线，所述第一开关T1的第二导通端接所述主像素区的像素电极，所述第二开关T2的第一导通端接所述数据线，所述第二开关T2的第二导通端和所述第三开关T3的第一导通端共接于所述子像素区的像素电极，所述第三开关T3的第二导通端接所述公共电极线。
可选的，在本实施例的像素单元中，第三开关T3的第二导通端连接第一公共电极线210或者第二公共电极线220，通过改变第三开关T3的导通或者关断状态，进而可使像素单元中子画素的像素电极电压发生改变，调整每一个像素单元的发光状态；当第三开关T3导通时，子画素的像素电极、第三开关T3的第一导通端、第三开关T3的第二导通端以及公共电极线之间形成电流支路，以改变子画素中像素电极的电压，主像素区的电位和子像素区的电位并不相同，每一个像素单元能够显示相应颜色的光源。
作为一种可选的实施方式，所述第一开关T1为MOS管或者三极管，所述第二开关T2为MOS管或者三极管，所述第三开关T3为MOS管或者三极管，当扫描线上的扫描信号传输至各个开关的控制端时，通过扫描信号能够控制开关的导通或者关断，以调节像素单元的发光状态，实现了显示面板画面的低色偏设计，又简化了像素电路20的电路结构，像素单元发光状态调节的灵活性更高，显示面板中各个像素具有更低的扫描驱动成本。
作为一种可选的实施方式，其中，在每一个像素单元中，所述第一开关T1的第一导通端和所述第二开关T2的第一导通端连接同一条数据线。
在本申请实施例中，通过第一开关T1能够控制像素单元中主像素区的发光状态，通过第二开关T2能够控制像素单元中子像素区的发光状态；本申请实施例通过一路数据信号能够驱动主像素区和子像素区的工作状态，提高了每一个像素单元的图像显示效果，显示面板的画面整体显示效果更佳；减少了像 素电路20中数据信号的数量以及像素单元的扫描驱动成本，提高了像素单元中主像素区和子像素区的整体协调控制性能，显示面板的大视角显示效果更佳，像素电路20的电路结构更为简化。
作为一种可选的实施方式，在每一个像素组中，所述第一公共电极线210中的公共电压和所述第二公共电极线220中的公共电压相异。
由于通过第一公共电极线210上的公共电压和第二公共电极线220上的公共电压能够改变显示面板中的画面显示状态，因此连接在所述第一公共电极线201上的像素单元和连接在所述第二公共电极线220上的像素单元具有不同的公共电压时，则每一个像素单元上的像素电压与相应的公共电压之间具有不同的电压差，以使每一个像素单元的发光状态能够进行单独调整，提高了显示面板中画面的可调性，改善了显示面板中大视角显示效果，显示面板中的画面能够结合不同的像素单元以呈现不同的灰阶。
作为一种可选的实施方式，在同一个所述像素组中，任意两个像素单元连接不同的数据线。
在本申请实施例中，如图2所示，由于数据线上存在相应的数据信号，同一个像素组中不同的像素单元分别接入不同的数据信号，通过数据信号能够控制每一个像素单元的工作状态，以使每个像素单元能够实现不同的发光效果，像素电路20中每一个像素单元的发光状态具有更佳的可调性，显示面板能够结合不同的像素单元呈现不同色阶的画面，用户的视觉体验更佳，改善了显示面板的大视角偏差现象。
作为一种可选的实施方式，在同一个所述像素组中，所有的所述像素单元连接同一条扫描线。
在本申请实施例中，由于一个像素组包括多个像素单元，并且每一个像素 单元能够实现不同的发光效果；扫描线上存在扫描信号，通过该扫描信号控制像素单元中的开关导通或者关断，以驱动像素单元能够实现相应的发光效果；所述像素电路20通过一路扫描信号能够控制多个像素单元的发光状态，提高了不同像素单元之间的整体协调性能，降低了显示面板中多个像素单元的扫描驱动成本，简化了像素电路20的电路结构；因此显示面板能够同时结合多个像素单元呈现更佳的大视角画面效果。
作为一种可选的实施方式，在任意相邻的两个像素组中，位于不同像素组中的像素单元分别连接不同的扫描线。
在本申请实施例中，每一个像素组分别与每一条扫描线一一对应连接，通过扫描线能够分别驱动相应的像素组发出不同色彩和亮度的光源，多个像素组能够组合不同颜色的光源，以发出各种色阶和亮度的光源；显示面板中的画面在扫描信号的驱动下显示相应的图像/视频，显示面板中每一个像素组的发光状态能够实现单独调节，显示面板的画面能够呈现质量更佳的大视角显示效果，图像/视频更加清晰，改善了显示面板的大视角色偏问题。
作为一种可选的实施方式，在所述像素组中，每一所述像素单元采用N畴设计；其中，所述N为大于或者等于1的正整数。
作为一种可选的实施方式，在所述像素电路20中，所有的像素单元具有相同数量的畴。
在本申请实施例中，由于每一个像素单元具有多个畴，示例性的，每一个像素单元采用2畴或者4畴设计，每一个畴在扫描信号和驱动信号的驱动下能够发出相应色彩或者亮度的光源，当每一个像素单元采用多畴进行设计时，像素单元中的每一个畴能够实现单独的发光效果，进而像素单元结合多个畴发出具有多种色阶的光源，显示面板画面的整体亮度以及色彩具有更好的调适性能 和协调性能，提高了显示面板中画面的整体显示效果。
作为一种的实施方式，如图2所示，每一像素组包括三个颜色相异的像素单元，其中，所述第一像素单元110的分压开关和所述第二像素单元120的分压开关与所述第一公共电极线210相连，所述第三像素单元130的分压开关与所述第二公共电极线220相连。
在本申请实施例中，通过第一公共电极线210和第二公共电极线220能够驱动三个颜色相异的像素单元同时工作，并且该公共电极线(包括：第一公共电极线210和第二公共电极线220)能够控制每一个像素单元的电压，以使每一个像素单元能够呈现不同的发光状态，通过第二公共电极线220能够单独控制第三像素单元130的像素电压，提高了显示面板发光状态的可调性，显示面板能够结合不同像素单元以显示更加协调的画面。
在本申请实施例中，每一像素组中的三个像素单元颜色相异，其颜色可如包括红绿蓝三原色，示例性的，在一个像素组中，第一像素单元110为红色，第二像素单元120为绿色、第三像素单元130为蓝色，进而每一个像素组能够结合三种基本色以呈现不同色阶的画面，显示面板中的画面颜色的具有更强的可调控性。
作为一种可选的实施方式，所述第三像素单元130为蓝色像素单元，红色像素单元或绿色像素单元。
以蓝色像素单元连接第二公共电极线220为例，但不以此限制于蓝色像素单元，其可为其他如红色像素单元，绿色像素单元等单色像素单元。亦即，所述第二公共电极线220通过所述分压开关T3，单独控制所述蓝色像素单元130的电位状态，进而可灵活控制蓝色像素单元130的发光状态及发光程度，而所述第一公共电极线210则是控制所述红色像素单元及所述绿色像素单元的发 光状态及发光程度；通过所述第二公共电极线220单独控制所述蓝色像素单元130，可以解决蓝色像素单元130发光偏暗的现象，具体的，即改善大视角偏黄现象，及其所导致的大视角上的色偏问题，改善画面的显示效果。
作为一种可选的实施方式，图3示出了本申请实施例提供的像素电路30的电路示意，如图3所示，该像素电路30包括：多个阵列配置的像素组，每一所述像素组包括四个像素单元，分别为第一像素单元110，第二像素单元120，第三像素单元130和第四像素单元140。其中，每一像素单元耦接相应的数据线和扫描线，并且通过数据信号和扫描信号能够控制相应的像素单元发出相应的光源；每一像素单元包括：第一开关T1；第二开关T2；分压开关T3，以及公共电极线，与所述分压开关T3相连接，所述公共电极线包括第一公共电极线210和第二公共电极线220。于每一像素组中，部分所述像素单元的分压开关T3通过连接孔连接到第一公共电极线210，另一部分所述像素单元的分压开关T3连接到第二公共电极线220，且连接到所述第二公共电极线220的像素单元为两个。
作为一种可选的实施方式，如图3所示，所述第一像素单元110和所述第二像素单元120的分压开关与第一公共电极线210相连，所述第三像素单元130和所述第四像素单元140的分压开关与第二公共电极线220相连。
作为一种可选的实施方式，所述第三像素单元130可例如为蓝色像素单元，红色像素单元或绿色像素单元，所述第四像素单元140可例如为白色像素单元。即与所述第二公共电极线220连接的像素单元为白色像素单元140及一单色像素单元。
在本申请实施例中，通过白色像素单元140搭配对应的单色像素单元，可提高此单色像素的开口率，并且通过该第二公共电极线220能够控制第三像素 单元130和所述第四像素单元140的发光状态，在所述像素电路30中，第一像素单元110以及第二像素单元120与第三像素单元130以及所述第四像素单元140具有不同的信号驱动方式，以实现不同的发光效果；且此像素电路30与上述像素电路20相比较，像素组中每一个像素单元的发光状态具有更佳的可操作性，更能改善此单色像素单元于大视角之下的暗角，色偏等问题，使得画面显示更为均匀。
作为一种可选的实施方式，图4示出了本申请实施例提供的像素电路40的电路示意，如图4所示，一种像素电路40，包括：多个阵列配置的像素组，每一所述像素组包括第一像素单元110，第二像素单元120，第三像素单元130和第四像素单元140。其中，每一像素单元耦接相应的数据线和扫描线。于每一像素组中，四个像素单元的颜色相异，其中，第一像素单元110，第二像素单元120和第三像素单元130与所述第一公共电极线210相连，第四像素单元140与所述第二公共电极线220相连。
作为一种可选的实施方式，所述第四像素单元140可例如为蓝色像素单元，红色像素单元或绿色像素单元，然不限于此，其亦可例如为黄色像素单元或青色像素单元等。
在本申请实施例中，通过第二公共电极线220能够单独调节第四像素单元140的发光状态，以使第四像素单元140能够呈现不同的发光效果，增强了同一个像素组中不同像素单元之间的协调性，显示面板中每一个像素单元能够处于更佳的工作状态，显示面板的大视角显示效果更佳，改善了显示面板中大视角偏黄的问题。
作为一种可选的实施方式，图5示出了本申请实施例提供的像素电路50的电路示意，如图5所示，一种像素电路50，包括：多个阵列配置的像素组， 每一所述像素组包括第一像素单元110，第二像素单元120，第三像素单元130和第四像素单元140。其中，每一像素单元耦接相应的数据线和扫描线。于每一像素组中，四个像素单元的颜色相异，其中，第一像素单元110与所述第一公共电极线210相连，第二像素单元120、第三像素单元130以及第四像素单元140与所述第二公共电极线220相连。
作为一种可选的实施方式，所述第四像素单元140为白色像素单元，所述第二像素单元120为蓝色像素单元、红色像素单元或绿色像素单元，所述第三像素单元130为蓝色像素单元、红色像素单元或绿色像素单元。
在本申请实施例中，示例性的，第一像素单元110为红色像素单元，第二像素单元120为蓝色像素单元，所述第三像素单元130为绿色像素单元，所述第四像素单元140为白色像素单元；通过第一公共电极线210能够控制第一像素单元110的发光状态，通过第二公共电极线220能够控制第二像素单元120、所述第三像素单元130以及第四像素单元140的发光状态，以使不同像素单元的工作状态能够分别进行调节，显示面板的画面亮度能够实时进行调整，显示面板的大视角画面显示效果更佳，给用户带来良好的视觉体验。
在一些实施例中，所述第一公共电极线210及所述第二公共电极线220分别连接部分所述像素单元。但于本质上，其皆为电极层，即所述第一公共电极线210和所述第二公共电极线220可以相互替换。亦由上述实施例的第二公共电极线220控制单色像素单元，转换成由第一公共电极线210执行控制，而非以图中所示的第一公共电极线210和第二公共电极线220的电路配置作为限制。
在上述实施例中，所述第一公共电极线210和所述第二公共电极线220为单独驱动，但亦可为共同驱动。当所述像素电路存在导致色偏以及大视角显 示偏黄等现象的问题时，则可以有效解决此类问题。
在一些实施例中，所述部分像素单元，及所述另一部分像素单元之和，即为面板上全部的像素单元。
在一些实施例中，位于同一行的像素单元，对应连接到相同的第一公共电极线210，或对应连接到不同的第二公共电极线220。位于同一列的像素单元，对应连接到不同的第一公共电极线210，或对应连接到相同的第二公共电极线220。
在一些实施例中，通过连接孔，直接连接部分所述分压开关和所述第一公共电极线。然不限于此，亦可以通过导电物质作为中间物质，连接部分所述分压开关和所述第一公共电极线，导电物质可例如为导电金属及其化合物。
请同时参考图2至图5，本申请实施例提供一种显示面板，所述显示面板包括基板和像素电路。
其中，基板，在基板上形成主动开关。
像素电路；所述像素电路设置于所述基板上，所述像素电路耦接所述主动开关。
其中，所述像素电路包括：
多个阵列配置的像素组，所述像素组具有若干像素单元，每一所述像素单元耦接相应的数据线和扫描线，每一所述像素单元包括：
第一开关，设置于所述像素单元的主像素区。
第二开关，设置于所述像素单元的子像素区。
分压开关，设置于所述像素单元的子像素区，与所述第二开关耦接；以及
公共电极线，与所述分压开关连接，其中，所述公共电极线包括第一公共电极线和第二公共电极线。
其中，所述第一开关，所述第二开关和所述分压开关的控制端连接同一扫描线，且部分所述像素单元的分压开关通过连接孔连接到所述第一公共电极线，另一部分所述像素单元的分压开关连接到所述第二公共电极线。
其中，连接到所述第二公共电极线的像素单元为一个或一个以上，且连接到所述第二公共电极线的像素单元包括蓝色像素单元，红色像素单元，绿色像素单元中任一者。
在本申请的一实施例中，所述显示面板可例如为液晶显示面板，其具有一彩膜基板和一主动开关基板。然不限于此，其亦可为OLED(Organic Electroluminesence Display，有机电激光显示)显示面板、QLED(Quantum Dot Light Emitting Diodes，量子点发光二极管)显示面板，等离子体显示面板，曲面型显示面板或其他类型显示面板。
图6示出了本申请实施例提供的显示装置的模块结构，请同时参考图2和图6，在本申请实施例中，一种显示装置60，包括：控制元件601和显示面板602，其中所述显示面板602的具体实施方式可参照图2至图5的实施例，此处将不再赘述。
本申请通过对像素电路及公共电极线的结构设计，使得公共电极线可以单独或共同驱动各像素单元，并可适度调节各像素单元的发光状态及发光程度，如此可解决因电路缺陷或制程不良所导致的不同颜色像素单元之间的色偏、暗纹等问题，进而可改善大视角下的视觉不良现象，提升产品质量及竞争力。
以上仅为本申请的可选实施例而已，并不用于限制本申请。对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的权利要求范围之内。

Claims (20)

  1. 一种像素电路，包括：
    多个阵列配置的像素组，所述像素组具有若干像素单元，每一所述像素单元耦接相应的数据线和扫描线，每一所述像素单元包括：
    第一开关，设置于所述像素单元的主像素区；
    第二开关，设置于所述像素单元的子像素区；
    分压开关，设置于所述像素单元的子像素区，与所述第二开关耦接；以及
    公共电极线，与所述分压开关连接，其中，所述公共电极线包括第一公共电极线和第二公共电极线；
    其中，所述第一开关，所述第二开关和所述分压开关的控制端连接同一扫描线，且部分所述像素单元的分压开关通过连接孔连接到所述第一公共电极线，另一部分所述像素单元的分压开关连接到所述第二公共电极线；
    其中，连接到所述第二公共电极线的像素单元为一个或一个以上，且连接到所述第二公共电极线的像素单元包括蓝色像素单元，红色像素单元，绿色像素单元中任一者。
  2. 根据权利要求1所述的像素电路，其中，在不同像素组中，连接到所述第二公共电极线的像素单元的颜色为相异或相同。
  3. 根据权利要求1所述的像素电路，其中，在不同像素组中，连接到所述第一公共电极线的像素单元的颜色为相异或者相同。
  4. 根据权利要求1所述的像素电路，其中，在每一所述像素单元中，所述第一开关的第一导通端接所述数据线，所述第一开关的第二导通端接所述主像素区的像素电极，所述第二开关的第一导通端接所述数据线，所述第二开关 的第二导通端和所述第三开关的第一导通端共接于所述子像素区的像素电极，所述第三开关的第二导通端接所述公共电极线。
  5. 根据权利要求4所述的像素电路，其中，在每一个所述像素单元中，所述第一开关的第一导通端和所述第二开关的第一导通端连接同一条数据线。
  6. 根据权利要求1所述的像素电路，其中，在每一个像素组中，所述第一公共电极线中的公共电压和所述第二公共电极线中的公共电压相异。
  7. 根据权利要求1所述的像素电路，其中，在同一个所述像素组中，任意两个像素单元连接不同的数据线。
  8. 根据权利要求1所述的像素电路，其中，在同一个所述像素组中，所有的所述像素单元连接同一条扫描线。
  9. 根据权利要求8所述的像素电路，其中，在任意相邻的两个像素组中，位于不同像素组中的像素单元分别连接不同的扫描线。
  10. 根据权利要求1所述的像素电路，其中，在所述像素组中，每一所述像素单元采用N畴设计；
    其中，所述N为大于或者等于1的正整数。
  11. 根据权利要求1所述的像素电路，其中，每一像素组包括三个颜色相异的像素单元，第一像素单元的分压开关和第二像素单元的分压开关与所述第一公共电极线相连，第三像素单元的分压开关与所述第二公共电极线相连。
  12. 根据权利要求11所述的像素电路，其中，所述第三像素单元为蓝色像素单元，红色像素单元或绿色像素单元。
  13. 根据权利要求1所述的像素电路，其中，每一像素组包括四个颜色相异的像素单元，第一像素单元和第二像素单元的分压开关与所述第一公共电极线相连，第三像素单元和第四像素单元的分压开关与所述第二公共电极线相 连。
  14. 根据权利要求13所述的像素电路，其中，所述第三像素单元为蓝色像素单元，红色像素单元或绿色像素单元，所述第四像素单元为白色像素单元。
  15. 根据权利要求1所述的像素电路，其中，每一像素组包括四个颜色相异的像素单元，第一像素单元，第二像素单元和第三像素单元的分压开关与所述第一公共电极线相连，第四像素单元的分压开关与所述第二公共电极线相连。
  16. 根据权利要求15所述的像素电路，其中，所述第四像素单元为蓝色像素单元，红色像素单元或绿色像素单元。
  17. 根据权利要求1所述的像素电路，其中，每一个像素组包括四个颜色相异的像素单元，第一像素单元的分压开关与所述第一公共电极线相连，第二像素单元、第三像素单元以及第四像素单元的分压开关与所述第二公共电极线相连。
  18. 根据权利要求17所述的像素电路，其中，所述第四像素单元为白色像素单元，所述第二像素单元为蓝色像素单元、红色像素单元或绿色像素单元，所述第三像素单元为蓝色像素单元、红色像素单元或绿色像素单元。
  19. 一种像素电路，包括：
    多个阵列配置的像素组，所述像素组具有若干像素单元，每一所述像素单元耦接相应的数据线和扫描线，每一所述像素单元包括：
    第一开关，设置于所述像素单元的主像素区；
    第二开关，设置于所述像素单元的子像素区；
    分压开关，设置于所述像素单元的子像素区，与所述第二开关耦接；以及
    公共电极线，与所述分压开关连接，其中，所述公共电极线包括第一公共 电极线和第二公共电极线；
    其中，所述第一开关，所述第二开关和所述分压开关的控制端连接同一扫描线，且部分所述像素单元的分压开关通过连接孔连接到第一公共电极线，另一部分所述像素单元的分压开关连接到第二公共电极线，且连接到所述第二公共电极线的像素单元为一个或一个以上；
    其中，连接到所述第二公共电极线的像素单元为蓝色像素单元，红色像素单元，绿色像素单元中任一者，且于不同像素组中，其颜色为相异或相同；
    其中，每一像素组包括三个颜色相异的像素单元，且第一像素单元的分压开关和第二像素单元的分压开关与所述第一公共电极线相连，第三像素单元的分压开关与所述第二公共电极线相连；
    其中，所述第三像素单元为蓝色像素单元，红色像素单元或绿色像素单元；
    其中，所述第一公共电极线和所述第二公共电极线为单独驱动或共同驱动。
  20. 一种显示面板，包括：
    基板，在基板上形成主动开关；以及
    像素电路；所述像素电路设置于所述基板上，所述像素电路耦接所述主动开关；
    其中，所述像素电路包括：
    多个阵列配置的像素组，所述像素组具有若干像素单元，每一所述像素单元耦接相应的数据线和扫描线，每一所述像素单元包括：
    第一开关，设置于所述像素单元的主像素区；
    第二开关，设置于所述像素单元的子像素区；
    分压开关，设置于所述像素单元的子像素区，与所述第二开关耦接；以及
    公共电极线，与所述分压开关连接，其中，所述公共电极线包括第一公共电极线和第二公共电极线；
    其中，所述第一开关，所述第二开关和所述分压开关的控制端连接同一扫描线，且部分所述像素单元的分压开关通过连接孔连接到所述第一公共电极线，另一部分所述像素单元的分压开关连接到所述第二公共电极线；
    其中，连接到所述第二公共电极线的像素单元为一个或一个以上，且连接到所述第二公共电极线的像素单元包括蓝色像素单元，红色像素单元，绿色像素单元中任一者。
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