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CN114488629A - Pixel, array substrate and display panel - Google Patents

Pixel, array substrate and display panel Download PDF

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Publication number
CN114488629A
CN114488629A CN202111638928.9A CN202111638928A CN114488629A CN 114488629 A CN114488629 A CN 114488629A CN 202111638928 A CN202111638928 A CN 202111638928A CN 114488629 A CN114488629 A CN 114488629A
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electrode
pixel
area
domain
pixel electrodes
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CN202111638928.9A
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CN114488629B (en
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黄世帅
袁海江
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HKC Co Ltd
Chuzhou HKC Optoelectronics Technology Co Ltd
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HKC Co Ltd
Chuzhou HKC Optoelectronics Technology Co Ltd
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1343Electrodes
    • G02F1/134309Electrodes characterised by their geometrical arrangement
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/136227Through-hole connection of the pixel electrode to the active element through an insulation layer
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/136286Wiring, e.g. gate line, drain line
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/1368Active matrix addressed cells in which the switching element is a three-electrode device

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Liquid Crystal (AREA)
  • Geometry (AREA)

Abstract

The application provides a pixel, an array substrate and a display panel, wherein red pixels, green pixels and blue pixels in a display area of the array substrate are sequentially and periodically arranged in a row direction, and pixel electrodes in a first row and a last row of pixels in the display area and other pixel electrodes in other pixels meet at least one of the following three conditions: the width of the frame electrode wire in the pixel electrode is larger than the width of the frame electrode wire in other pixel electrodes, the density of the orientation electrode wire in the pixel electrode is smaller than that of the orientation electrode wire in other pixel electrodes, and the area of the pixel electrode is smaller than that of the other pixel electrodes. The method and the device can effectively reduce the brightness of the red lines and the blue lines displayed on the edges of the two sides of the display area when the white picture is displayed, thereby improving the display effect of the white picture.

Description

Pixel, array substrate and display panel
Technical Field
The application belongs to the technical field of display, and particularly relates to a pixel, an array substrate and a display panel.
Background
With the continuous development of science and technology, various types of Display panels are developed, which bring great convenience to people in production and life, for example, Liquid Crystal Display (LCD). When the lcd panel displays a white image, Red (R, R) pixels, Green (G) pixels, and Blue (B, G) pixels need to be simultaneously lit, and when each row of pixels in the display area are periodically arranged according to the sequence of the Red, Green, and Blue pixels, the edges at two sides of the display area respectively display a Red line and a Blue line, which seriously affects the display effect of the white image.
Disclosure of Invention
In view of this, embodiments of the present disclosure provide a pixel, an array substrate and a display panel, so as to solve the problem that when a white image is displayed on a liquid crystal display panel in which pixels in each row of a display area are periodically arranged according to an order of a red pixel, a green pixel and a blue pixel, a red line and a blue line are respectively displayed on edges of two sides of the display area, and a display effect is seriously affected.
A first aspect of the embodiments of the present application provides a pixel, which is applied to an array substrate, where each row of pixels in a display area of the array substrate is periodically arranged according to an order of a red pixel, a green pixel, and a blue pixel, the pixels are located in a first column and a last column of the display area, and a pixel electrode in the pixel and other pixel electrodes in other pixels satisfy at least one of the following three conditions:
the first condition is: the width of the frame electrode wire in the pixel electrode is greater than the width of the frame electrode wire in the other pixel electrodes;
the second condition is: the density of the orientation electrode wires in the pixel electrodes is less than that of the orientation electrode wires in the other pixel electrodes;
the third condition is: the area of the pixel electrode is smaller than the area of the other pixel electrodes.
In one embodiment, the pixel electrode and the other pixel electrode include a plurality of domains, and a common border electrode line is shared between any two adjacent domains, and the first condition includes at least one of:
the first case is: the width of at least one public frame electrode line in the pixel electrodes is larger than the width of the corresponding public frame electrode line in the other pixel electrodes;
the first case is: the width of at least one non-common frame electrode line in the pixel electrodes is larger than the width of the corresponding non-common frame electrode line in the other pixel electrodes.
In one embodiment, the second condition includes at least one of the following two conditions:
the first case is: the space between the orientation electrode wires in the pixel electrode is larger than the space between the orientation electrode wires in the other pixel electrodes;
the second case is: the width of the orientation electrode wire in the pixel electrode is smaller than the width of the orientation electrode wire in the other pixel electrodes.
In one embodiment, the pixel electrode comprises a first domain unit and a second domain unit, and the first domain unit and the second domain unit share a common frame electrode line;
the first condition is: the width of a non-public frame electrode line in the first domain area unit is greater than that of a non-public frame electrode line in the second domain area unit, and the width of the non-public frame electrode line in the second domain area unit is equal to that of the non-public frame electrode lines in the other pixel electrodes;
the second condition is: the density of the oriented electrode wires in the first domain area unit is less than that of the oriented electrode wires in the second domain area unit, and the density of the oriented electrode wires in the second domain area unit is equal to that of the oriented electrode wires in other pixel electrodes;
the third condition is: the area of the first domain area unit is smaller than that of the second domain area unit, and the area of the other pixel electrodes is equal to twice of that of the second domain area unit;
the first domain unit is closer to the edge of the display area of the array substrate than the second domain unit.
In one embodiment, the second condition includes at least one of the following two conditions:
the first case is: the space between the orientation electrode wires in the first domain unit is larger than the space between the orientation electrode wires in the second domain unit;
the second case is: the width of the oriented electrode wire in the first domain unit is smaller than that of the oriented electrode wire in the second domain unit.
In one embodiment, a common frame electrode line shared between the first domain unit and the second domain unit is provided with a slit.
In one embodiment, the pixel further comprises:
an electronic switching device electrically connected to the pixel electrode;
the grid line is arranged on one side of the pixel electrode and is electrically connected with the electronic switching device; and
the data line is arranged on the other side of the pixel electrode and is electrically connected with the electronic switch device; the pixel electrode and the other pixel electrodes satisfy the third condition, the area of the pixel is equal to the area of the other pixel where the other pixel electrode is located, and the area of the electronic switching device is larger than the area of the electronic switching device in the other pixel.
In one embodiment, the electronic switching device includes a gate electrode, a drain electrode, a source electrode, and an active layer disposed between the gate electrode and the drain and source electrodes;
the pixel electrode is electrically connected with the drain electrode, the gate line is electrically connected with the gate electrode, and the data line is electrically connected with the source electrode;
the pixel further includes:
a gate insulating layer disposed between the active layer and the gate electrode and the gate line; and
and the protective layer is arranged among the pixel electrode, the data line, the source electrode and the drain electrode, and the pixel electrode is electrically connected with the drain electrode through the through hole of the protective layer.
A second aspect of embodiments of the present application provides an array substrate, including:
a substrate;
the plurality of pixels are arranged on the substrate in a two-dimensional array form to form a display area, red pixels, green pixels and blue pixels in the display area are sequentially and periodically arranged in the row direction, and the pixels in the first row and the pixels in the last row of the display area are the pixels provided in the first aspect.
A third aspect of the embodiments of the present application further provides a display panel, including:
the array substrate provided by the second aspect;
the first orientation layer covers the array substrate;
the liquid crystal layer is arranged on one side, away from the array substrate, of the first alignment layer;
the second alignment layer is arranged on two sides of the liquid crystal layer opposite to the first alignment layer;
the common electrode is arranged on one side of the second alignment layer far away from the liquid crystal layer; and
and the color film covers the common electrode.
The pixel electrode provided by the first aspect of the embodiments of the present application is applied to an array substrate, wherein red pixels, green pixels, and blue pixels in a display area of the array substrate are periodically arranged in sequence in a row direction, and pixel electrodes in a first column and a last column of pixels in the display area and other pixel electrodes in other pixels satisfy at least one of the following three conditions: the width of the frame electrode wire in the pixel electrode is greater than the width of the frame electrode wire in other pixel electrodes, the density of the orientation electrode wire in the pixel electrode is less than the density of the orientation electrode wire in other pixel electrodes, and the area of the pixel electrode is less than the area of other pixel electrodes, so that the brightness of red lines and blue lines displayed on the edges of two sides of the display area when a white picture is displayed can be effectively reduced, and the display effect of the white picture is improved.
It is understood that, the beneficial effects of the second aspect and the third aspect can be referred to the related description of the first aspect, and are not described herein again.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an array substrate according to an embodiment of the present application;
fig. 2 is a schematic view of a first structure of a pixel electrode according to a second embodiment of the present application;
fig. 3 is a schematic diagram of a second structure of a pixel electrode according to a second embodiment of the present application;
fig. 4 is a schematic diagram of a third structure of a pixel electrode according to the second embodiment of the present application;
fig. 5 is a schematic diagram of a fourth structure of a pixel electrode according to a second embodiment of the present application;
fig. 6 is a schematic view of a first structure of a pixel electrode according to a third embodiment of the present application;
fig. 7 is a schematic diagram of a second structure of a pixel electrode according to a third embodiment of the present application;
fig. 8 is a schematic view of a first structure of a pixel electrode according to a fourth embodiment of the present disclosure;
fig. 9 is a schematic diagram of a second structure of a pixel electrode according to a fourth embodiment of the present application;
fig. 10 is a schematic diagram of a third structure of a pixel electrode according to the fourth embodiment of the present application;
fig. 11 is a schematic structural diagram of a pixel provided in the fifth embodiment of the present application;
fig. 12 is a schematic structural diagram of a display panel according to a sixth embodiment of the present application.
Reference numerals:
100-substrate, 200-pixel, 300-display area;
10-pixel electrode, 11-first domain, 12-first horizontal common frame electrode line, 13-first vertical common frame electrode line, 14-first horizontal non-common frame electrode line, 15-first vertical non-common frame electrode line, 16-first orientation electrode line;
20-other pixel electrodes, 21-a second domain, 22-a second horizontal common frame electrode line, 23-a second vertical common frame electrode line, 24-a second horizontal non-common frame electrode line, 25-a second vertical non-common frame electrode line, 26-a second orientation electrode line;
30-a first domain unit, 31-a third domain, 32-a first non-common frame electrode line and 33-a third orientation electrode line;
40-a second domain unit, 41-a fourth domain, 42-a second non-common frame electrode line and 43-a fourth orientation electrode line;
50-electronic switching device, 51-drain, 52-source, 53-active layer, 60-gate line, 70-data line;
1001-array substrate, 1002-first orientation layer, 1003-liquid crystal layer, 1004-second orientation layer, 1005-common electrode and 1006-color film.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "comprises" and "comprising," and any variations thereof, in the description and claims of this application and the drawings described above, are intended to cover non-exclusive inclusions. For example, a process, method, or system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. Furthermore, the terms "first," "second," and "third," etc. are used to distinguish between different objects and are not used to describe a particular order. The term "plurality" means "at least two".
Example one
As shown in fig. 1, an embodiment of the present invention provides an array substrate of a liquid crystal display panel, including:
a substrate 100; and
the plurality of pixels 200 are arranged on the substrate 100 in a two-dimensional array to form a display area 300, and the red pixels, the green pixels and the blue pixels in the display area 300 are sequentially and periodically arranged in a row direction.
The red, green and blue pixels are labeled R, G, B in FIG. 1, respectively.
In application, when the liquid crystal display panel displays a white picture, the red pixel, the green pixel and the blue pixel need to be simultaneously lighted, and the pixels arranged near the edges of the two sides of the display area are respectively a row of red pixels and a row of blue pixels, so that the edges of the two sides of the display area respectively display a red line and a blue line, and the display effect of the white picture is seriously affected.
In all embodiments of the present application, for convenience of description and distinction of different objects, each pixel in the first column of red pixels and the last column of blue pixels of the display area is defined as a "pixel", the pixel electrode in the "pixel" is defined as a "pixel electrode", each pixel in the second column of pixels to the penultimate column of pixels of the display area is defined as an "other pixel", and the pixel electrode in the "other pixel" is defined as an "other pixel electrode".
In application, for the first and last columns of pixels, the brightness of the first and last columns of pixels may be reduced by increasing the width of the border electrode lines in the pixel electrodes, decreasing the density of the oriented electrode lines in the pixel electrodes, or decreasing the area of the pixel electrodes, for example, so that the pixel electrodes and other pixel electrodes satisfy at least one of the following three conditions:
the first condition is: the width of the frame electrode wire in the pixel electrode is larger than the width of the frame electrode wire in other pixel electrodes;
the second condition is: the density of the orientation electrode wires in the pixel electrodes is less than that of the orientation electrode wires in other pixel electrodes;
the third condition is: the area of the pixel electrode is smaller than that of the other pixel electrodes.
It should be understood that the width of the border electrode lines in the pixel electrode is equal to that of the other pixel electrodes, the density of the orientation electrode lines in the pixel electrode is equal to that of the other pixel electrodes, and the area of the pixel electrode is equal to that of the other pixel electrodes without changing the width of the border electrode lines in the pixel electrode, the density of the orientation electrode lines in the pixel electrode and the other pixel electrodes. When the pixel electrode and the other pixel electrodes satisfy at least one of the three conditions, parameters that do not change in the width of the border electrode line, the density of the orientation electrode line, and the area of the pixel electrode in the pixel electrode are equal to those in the other pixel electrodes, and thus, the relationship between the pixel electrode and the other pixel electrodes may include the following seven cases:
in the first case: the width of the frame electrode line in the pixel electrode is larger than the width of the frame electrode line in other pixel electrodes, the density of the orientation electrode line in the pixel electrode is equal to the density of the orientation electrode line in other pixel electrodes, and the area of the pixel electrode is equal to the area of other pixel electrodes, namely, the first condition is met;
in the second case: the width of the frame electrode wire in the pixel electrode is equal to the width of the frame electrode wire in other pixel electrodes, the density of the alignment electrode wire in the pixel electrode is less than that of the alignment electrode wire in other pixel electrodes, and the area of the pixel electrode is equal to that of the other pixel electrodes, namely, the second condition is met;
in the third case: the width of the frame electrode line in the pixel electrode is equal to the width of the frame electrode line in other pixel electrodes, the density of the orientation electrode line in the pixel electrode is equal to the density of the orientation electrode line in other pixel electrodes, and the area of the pixel electrode is smaller than that of the other pixel electrodes, namely, the third condition is met;
in a fourth case: the width of the frame electrode wire in the pixel electrode is larger than the width of the frame electrode wire in other pixel electrodes, the density of the orientation electrode wire in the pixel electrode is smaller than the density of the orientation electrode wire in other pixel electrodes, and the area of the pixel electrode is equal to the area of other pixel electrodes, namely, the first condition and the second condition are simultaneously met;
in the fifth case: the width of the frame electrode line in the pixel electrode is greater than the width of the frame electrode line in other pixel electrodes, the density of the orientation electrode line in the pixel electrode is equal to the density of the orientation electrode line in other pixel electrodes, and the area of the pixel electrode is smaller than that of the other pixel electrodes, namely the first condition and the third condition are met simultaneously;
in the sixth case: the width of the frame electrode line in the pixel electrode is equal to the width of the frame electrode line in other pixel electrodes, the density of the alignment electrode line in the pixel electrode is less than that of the alignment electrode line in other pixel electrodes, and the area of the pixel electrode is less than that of the other pixel electrodes, namely, the second condition and the third condition are met simultaneously;
in the seventh case: the width of the frame electrode line in the pixel electrode is larger than the width of the frame electrode line in other pixel electrodes, the density of the alignment electrode line in the pixel electrode is smaller than the density of the alignment electrode line in other pixel electrodes, and the area of the pixel electrode is smaller than the area of other pixel electrodes, namely, the first condition, the second condition and the third condition are simultaneously met.
In the first embodiment of the application, by increasing the width of the frame electrode lines in the pixel electrodes, reducing the density of the orientation electrode lines in the pixel electrodes or reducing the area of the pixel electrodes, the brightness of the red lines and the brightness of the blue lines displayed on the edges of the two sides of the display area can be effectively reduced when the white picture is displayed, so that the display effect of the white picture is improved.
Example two
The second embodiment of the application provides a pixel electrode and other pixel electrodes, both of which include a plurality of domains and satisfy a first condition, and a common frame electrode line is shared between any two adjacent domains;
based on the structures of the first domain unit and the second domain unit, the first condition includes at least one of the following two cases:
the first case is: the width of at least one public frame electrode line in the pixel electrodes is larger than the width of the corresponding public frame electrode line in other pixel electrodes;
the first case is: the width of at least one non-common frame electrode line in the pixel electrodes is larger than the width of the corresponding non-common frame electrode line in other pixel electrodes.
In application, the frame electrode lines are used for limiting the inclination directions of the liquid crystal molecules near the frame electrode lines by applying voltage to the liquid crystal molecules in the areas where the frame electrode lines are located, and the inclination directions of the liquid crystal molecules near the frame electrode lines are generally the same as or have a corresponding relationship with the frame electrode lines. The width of the frame electrode wire is positively correlated with the brightness of the liquid crystal pixel, and the wider the width of the frame electrode wire is, the higher the brightness of the liquid crystal pixel where the frame electrode wire is positioned is; conversely, the smaller the width of the frame electrode line is, the lower the brightness of the liquid crystal pixel where the frame electrode line is located is; the brightness of the liquid crystal pixel is inversely related to the sum of the areas of the frame electrode wires in the liquid crystal pixel.
In application, the number of domains in the pixel electrode and the other pixel electrodes is equal, and the areas of the corresponding domains are equal, and the difference is only that at least one of the width of the common frame electrode line and the width of the non-common frame electrode line in the corresponding domains of the pixel electrode and the other pixel electrode is different.
In application, the domains in the pixel electrode and the other pixel electrodes may be divided according to actual needs, that is, the shapes and arrangements of the domains in the pixel electrode and the other pixel electrodes may be set according to actual needs. In order to make the liquid crystal molecules regularly tilt in a plurality of different directions after alignment, rather than randomly tilt, the pixel electrode may be divided into a plurality of regularly arranged and symmetrically distributed domains as much as possible, and the domains should be set in a regular shape, such as a triangle, a quadrangle, a regular pentagon, or a regular hexagon, as much as possible.
In application, if the domain areas are rectangular, when the number of the domain areas is 2, the number of the common frame electrode lines is 1 and the number of the non-common frame electrode lines is 4; when the number of the domains is 4, the number of the common frame electrode lines is 2 and the number of the non-common frame electrode lines is 4; when the number of the domains is 6, the number of the common frame electrode lines is 3 and the number of the non-common frame electrode lines is 4; when the number of the domains is 8, the number of the common frame electrode lines is 4 and the number of the non-common frame electrode lines is 4; … …, respectively; and so on, when the number of the domains is m, the number of the common frame electrode lines is m/2 and the number of the non-common frame electrode lines is 4, and m is a positive even number.
As shown in fig. 2 to 5, the pixel electrode 10 and other pixel electrodes 20 are exemplarily shown;
the pixel electrode 10 includes four first domains 11, and the four first domains 11 include: two first common frame electrode lines (a first horizontal common frame electrode line 12 and a first vertical common frame electrode line 13, respectively), and four second non-common frame electrode lines (two first horizontal non-common frame electrode lines 14 arranged oppositely and two first vertical non-common frame electrode lines 15 arranged oppositely, respectively);
the other pixel electrode 20 includes four second domains 21, and the four second domains 21 include: two first common frame electrode lines (a second horizontal common frame electrode line 22 and a second vertical common frame electrode line 23, respectively), and four second non-common frame electrode lines (two second horizontal non-common frame electrode lines 24 arranged oppositely and two second vertical non-common frame electrode lines 25 arranged oppositely, respectively);
fig. 2 exemplarily shows that the width of the first horizontal common frame electrode line 12 in the pixel electrode 10 is greater than the width of the corresponding second horizontal common frame electrode line 22 in the other pixel electrodes 20;
fig. 3 exemplarily shows that the width of the first vertical common border electrode line 13 in the pixel electrode 10 is greater than the width of the corresponding second vertical common border electrode line 23 in the other pixel electrodes 20;
fig. 4 exemplarily shows that the width of the first horizontal non-common border electrode line 14 in the pixel electrode 10 is larger than the width of the corresponding second horizontal non-common border electrode line 24 in the other pixel electrodes 20;
fig. 5 exemplarily shows that the width of the first vertical non-common frame electrode line 15 in the pixel electrode 10 is greater than the width of the corresponding second vertical non-common frame electrode line 25 in the other pixel electrodes 20.
In the second embodiment of the present application, the pixel electrode is divided into a plurality of domains, so that the width of at least one common frame electrode line or at least one non-common frame electrode line in the pixel electrode is increased, and the brightness of the red line and the blue line displayed at the edges of the two sides of the display area when the white picture is displayed can be effectively reduced, thereby improving the display effect of the white picture.
EXAMPLE III
The third embodiment of the present application provides a pixel electrode and another pixel electrode, where the pixel electrode and the another pixel electrode satisfy a second condition, and the second condition includes at least one of the following two conditions:
the first case is: the space between the orientation electrode wires in the pixel electrodes is larger than the space between the orientation electrode wires in other pixel electrodes;
the second case is: the width of the orientation electrode line in the pixel electrode is smaller than that of the orientation electrode line in other pixel electrodes.
In application, the orientation electrode lines are used for limiting the tilt directions of the liquid crystal molecules by applying voltage to the liquid crystal molecules in the areas where the orientation electrode lines are located, and the tilt directions of the liquid crystal molecules are generally the same as or have corresponding relation with the orientation electrode lines. The density of the orientation electrode lines is positively correlated with the transmittance and brightness of the liquid crystal pixels, and the larger the density of the orientation electrode lines is, the wider the width of the orientation electrode lines is, the smaller the space is, and the higher the transmittance of the liquid crystal pixels where the orientation electrode lines are located is; conversely, the smaller the density of the oriented electrode lines, the smaller the width and the larger the distance of the oriented electrode lines, and the lower the transmittance of the liquid crystal pixel where the oriented electrode lines are located; wherein, the transmittance is equal to the sum of the areas of the orientation electrode lines divided by the area of the pixel electrode.
As shown in fig. 6 and 7, the pixel electrode 10 and the other pixel electrodes 20 are exemplarily shown;
the pixel electrode 10 includes four first domains 11, and a first alignment electrode line 16 in the four first domains 11;
the other pixel electrode 20 includes four second domains 21, and the second alignment electrode line in the four second domains 21 is 26;
fig. 6 exemplarily shows that the pitch of the first alignment electrode lines 16 in the pixel electrode 10 is larger than the pitch of the second alignment electrode lines 26 in the other pixel electrodes 20;
fig. 7 exemplarily shows that the width of the first alignment electrode line 16 in the pixel electrode 10 is smaller than the width of the second alignment electrode line 26 in the other pixel electrodes 20.
In the third embodiment of the application, the pixel electrode is divided into the plurality of domains, the distance between the orientation electrode lines in the pixel electrode is increased or the width of the orientation electrode lines is reduced, so that the brightness of the red line and the blue line displayed on the edges of the two sides of the display area when the white picture is displayed can be effectively reduced, and the display effect of the white picture is improved.
Example four
The fourth embodiment of the application provides a pixel electrode, which comprises a first domain unit and a second domain unit, wherein the first domain unit and the second domain unit share one common frame electrode line, other frame electrode lines except the common frame electrode line are non-common frame electrode lines, and the first domain unit is closer to the edge of a display area of an array substrate relative to the second domain unit.
In application, the first domain unit and the second domain unit both include at least one domain, and the number of domains included in the first domain unit and the second domain unit can be set according to actual needs. And the other pixel electrodes comprise two second domain units, and the second domain units at corresponding positions in the other pixel electrodes are replaced by the first domain units to obtain the structure same as that of the pixel electrodes.
In application, for the first and last columns of pixels, the brightness of the first and last columns of pixels may be reduced by increasing the width of the non-common frame electrode lines in the first domain unit, decreasing the density of the oriented electrode lines in the first domain unit, or decreasing the area of the first domain unit, for example, the pixel electrode and the other pixel electrodes satisfy at least one of the following three conditions:
the first condition is: the width of a non-public frame electrode line in the first domain area unit is larger than that of a frame electrode line in the second domain area unit, and the width of the non-public frame electrode line in the second domain area unit is equal to that of non-public frame electrode lines in other pixel electrodes;
the second condition is: the density of the oriented electrode wires in the first domain area unit is less than that of the oriented electrode wires in the second domain area unit, and the density of the oriented electrode wires in the second domain area unit is equal to that of the oriented electrode wires in other pixel electrodes;
the third condition is: the area of the first domain unit is smaller than that of the second domain unit, and the area of the other pixel electrodes is equal to twice the area of the second domain unit.
It should be understood that, without changing the width of the non-common frame electrode lines, the density of the orientation electrode lines, and the area of the first domain unit in the first domain unit, the width of the non-common frame electrode lines in the first domain unit is equal to that of the second domain unit, the density of the orientation electrode lines in the first domain unit is equal to that of the second domain unit, and the area of the first domain unit is equal to that of the second domain unit. When the first domain unit and the second domain unit satisfy at least one of the three conditions, parameters that do not change in the width of the non-common frame electrode line, the density of the orientation electrode line, and the area of the pixel electrode in the first domain unit are equal to those in the second domain unit, and thus, the relationship between the pixel electrode and other pixel electrodes may include the following seven cases:
in the first case: the width of a non-public frame electrode wire in the first domain area unit is larger than that of a non-public frame electrode wire in the second domain area unit, the density of an oriented electrode wire in the first domain area unit is equal to that of an oriented electrode wire in the second domain area unit, and the area of the first domain area unit is equal to that of the second domain area unit, namely, the first condition is met;
in the second case: the width of a non-public frame electrode wire in the first domain area unit is equal to that of a non-public frame electrode wire in the second domain area unit, the density of an oriented electrode wire in the first domain area unit is smaller than that of an oriented electrode wire in the second domain area unit, and the area of the first domain area unit is equal to that of the second domain area unit, namely, the second condition is met;
in the third case: the width of a non-public frame electrode wire in the first domain unit is equal to that of a non-public frame electrode wire in the second domain unit, the density of an oriented electrode wire in the first domain unit is equal to that of an oriented electrode wire in the second domain unit, and the area of the first domain unit is smaller than that of the second domain unit, namely, a third condition is met;
in a fourth case: the width of a non-public frame electrode line in the first domain area unit is larger than that of a non-public frame electrode line in the second domain area unit, the density of an oriented electrode line in the first domain area unit is smaller than that of an oriented electrode line in the second domain area unit, and the area of the first domain area unit is equal to that of the second domain area unit, namely, the first condition and the second condition are met simultaneously;
in the fifth case: the width of a non-public frame electrode line in the first domain area unit is larger than that of a non-public frame electrode line in the second domain area unit, the density of an oriented electrode line in the first domain area unit is equal to that of an oriented electrode line in the second domain area unit, and the area of the first domain area unit is smaller than that of the second domain area unit, namely, the first condition and the third condition are met simultaneously;
in the sixth case: the width of a non-public frame electrode line in a first domain area unit is equal to that of a non-public frame electrode line in a second domain area unit, the density of an oriented electrode line in the first domain area unit is smaller than that of an oriented electrode line in the second domain area unit, and the area of the first domain area unit is smaller than that of the second domain area unit, namely, the second condition and the third condition are met simultaneously;
in the seventh case: the width of the non-common frame electrode line in the first domain unit is larger than that of the non-common frame electrode line in the second domain unit, the density of the oriented electrode line in the first domain unit is smaller than that of the oriented electrode line in the second domain unit, and the area of the first domain unit is smaller than that of the second domain unit, namely, the first condition, the second condition and the third condition are simultaneously met.
In application, when the first domain unit and the second domain unit satisfy the second condition, the second condition includes at least one of the following two cases:
the first case is: the space between the oriented electrode wires in the first domain unit is larger than the space between the oriented electrode wires in the second domain unit;
the second case is: the width of the orientation electrode wire in the first domain unit is smaller than that in the second domain unit.
In application, the domains in the first domain unit and the second domain unit may be divided according to actual needs, that is, the shapes and arrangements of the domains in the first domain unit and the second domain unit may be set according to actual needs. In order to make the liquid crystal molecules regularly tilt in a plurality of different directions after alignment, rather than randomly tilt, the first domain unit and the second domain unit may be divided into a plurality of regularly arranged and symmetrically distributed domains as much as possible, and the domains should be set in a regular shape, for example, a triangle, a quadrangle, a regular pentagon, a regular hexagon, or the like, as much as possible.
In application, if the domains are rectangular, when the number of the domains in the first domain unit and the second domain unit is 1, the number of the non-common frame electrode lines in the first domain unit and the second domain unit is 3; when the number of the domains in the first domain unit and the second domain unit is 2, the number of the non-common frame electrode lines in the first domain unit and the second domain unit is 4; when the number of the domains in the first domain unit and the second domain unit is 3, the number of the non-common frame electrode lines in the first domain unit and the second domain unit is 5; … …, respectively; and so on, when the number of the domains in the first domain unit and the second domain unit is n, the number of the non-common frame electrode lines in the first domain unit and the second domain unit is n +2, and n is a positive integer.
As shown in fig. 8 to 10, a first domain unit 30 and a second domain unit 40 are exemplarily shown;
the first domain unit 30 includes two third domains 31, four first non-common frame electrode lines 32, and a third alignment electrode line 33;
the second domain unit 40 includes two fourth domains 41, four second non-common frame electrode lines 42, and a fourth alignment electrode line 43;
fig. 8 exemplarily shows that the width of the first non-common frame electrode line 32 in the first domain unit 30 is greater than the width of the corresponding second non-common frame electrode line 42 in the second domain unit 40;
fig. 9 exemplarily shows that the pitch of the third alignment electrode lines 33 in the first domain unit 30 is greater than the pitch of the fourth alignment electrode lines 43 in the second domain unit 40;
fig. 10 exemplarily shows that the width of the third alignment electrode line 33 in the first domain unit 30 is smaller than the width of the fourth alignment electrode line 43 in the second domain unit 40.
In application, a common frame electrode line shared between the first domain unit and the second domain unit is provided with a slit. The slit can be formed on the common frame electrode wire through the processes of hollowing out, etching, cutting and the like.
In the fourth embodiment of the present application, the pixel electrode is divided into the first domain unit and the second domain unit, so that the width of the non-common frame electrode line in the first domain unit is increased, the density of the oriented electrode line in the first domain unit is reduced, or the area of the first domain unit is reduced, and the brightness of the red line and the blue line displayed on the edges of the two sides of the display area when the white picture is displayed can be effectively reduced, thereby improving the display effect of the white picture; the common frame electrode line shared between the first domain unit and the second domain unit is provided with the slit, so that the inclination directions of liquid crystal molecules between the first domain unit and the second domain unit are not interfered with each other.
EXAMPLE five
As shown in fig. 11, a fifth embodiment of the present application provides a pixel, including:
a pixel electrode 10;
an electronic switching device 50 electrically connected to the pixel electrode 10;
a gate line 60 disposed at one side of the pixel electrode 10 and electrically connected to the electronic switching device 50; and
the data line 70 is disposed on the other side of the pixel electrode 10 and electrically connected to the electronic switching device 50.
In application, the electronic switching device may be any device capable of performing an electronic switching action, which can be applied to a liquid crystal display panel, for example, a Bipolar Junction Transistor (BJT), a Field Effect Transistor (FET), a Thin Film Transistor (TFT), or the like.
In one embodiment, the pixel electrode and the other pixel electrodes satisfy the third condition, the area of the pixel is equal to the area of the other pixel where the other pixel electrode is located, and the area of the electronic switching device is larger than the area of the electronic switching device in the other pixel.
In application, in order to facilitate routing of a gate line and a data line, the area of a pixel can be kept unchanged, namely the area of the pixel is equal to the area of other pixels, the pixel is realized by increasing the area of an electronic switch device in the pixel and reducing the area of a pixel electrode, namely the area of the pixel electrode in the pixel is larger than the area of the pixel electrode in other pixels, and the area of the electronic switch device in the pixel is larger than the area of the electronic switch device in other pixels, so that the pixel electrode and other pixel electrodes meet a third condition.
As shown in fig. 11, in the present embodiment, the electronic switching device 50 includes a gate electrode (not shown), a drain electrode 51, a source electrode 52 and an active layer 53, wherein the active layer 53 is disposed between the gate electrode and the drain electrode 51 and the source electrode 52, the gate electrode is electrically connected to the gate line 60, the drain electrode 51 is electrically connected to the pixel electrode 10, and the source electrode 52 is electrically connected to the data line 70.
In use, a parasitic capacitance is formed between the gate and the source of the electronic switching device. The drain electrode and the source electrode are formed on one surface of the active layer, the gate electrode is formed on the side of the other surface of the active layer opposite to the source electrode and the drain electrode, the gate electrode, the drain electrode, the source electrode and the active layer together constitute an electronic switching device, the gate electrode and the gate line are formed on the same layer, and the source electrode and the data line are formed on the same layer. The active layer is formed of a plurality of layers of different types of semiconductor materials, for example, an organic semiconductor active layer formed of three layers of different types of semiconductor materials.
In one embodiment, the pixel further comprises:
a gate insulating layer disposed between the active layer and the gate electrode and the gate line;
and the protective layer is arranged between the pixel electrode and the data line as well as between the source electrode and the drain electrode, and the pixel electrode is electrically connected with the drain electrode through the through hole of the protective layer.
In application, the gate insulating layer is formed between the active layer and the gate electrode to separate the active layer and the gate electrode, so that insulation is realized. The data line, the source electrode and the drain electrode are formed on one side of the protective layer, the pixel electrode is formed on the other side of the protective layer, the protective layer is provided with a through hole, and the pixel electrode is electrically connected with the drain electrode through the through hole. The protective layer and the first alignment layer are oppositely arranged on two surfaces of the pixel electrode. The substrate can be any substrate suitable for the liquid crystal display panel according to actual needs, for example, a glass substrate.
In use, the pixel may comprise at least one electronic switching device, each electronic switching device being electrically connected to one gate line and one data line. When the pixel comprises a plurality of domains, a plurality of electronic switching devices corresponding to the number of the domains are included, each electronic switching device is used for carrying out switching control on one domain, and a plurality of electronic switching tubes of each pixel are respectively and electrically connected to different gate lines and the same data line. The area where one pixel is located is generally an area surrounded by two gate lines and two data lines.
As shown in fig. 11, two gate lines 60 and two data lines 70 are exemplarily shown; the two gate lines 60 are disposed on two sides of the pixel electrode 10 along a first direction, and the two data lines 70 are disposed on two sides of the pixel electrode 10 along a second direction, where the first direction is perpendicular to the second direction.
It should be understood that the place where the gate line and the data line intersect in fig. 11 only represents that the two intersect in position and are not electrically connected.
In application, the pixel and other pixels have the same composition structure, and the difference is only that the structures of the pixel electrodes of the two pixels are different.
In the fifth embodiment of the present application, by using the pixels in any one of the second to fourth embodiments of the present application to form the first column and the last column of pixels in the display area of the array substrate, the brightness of the first column and the last column of pixels when a white picture is displayed can be effectively reduced, and then the brightness of the red line and the blue line displayed on the edges of the two sides of the display area is reduced, so that the display effect of the white picture is improved.
EXAMPLE six
As shown in fig. 12, a fifth embodiment of the present application further provides a display panel, including:
an array substrate 1001;
a first alignment layer 1002 covering the array substrate 1001;
a liquid crystal layer 1003 disposed on a side of the first alignment layer 1002 away from the array substrate 1001;
second alignment layers 1004 provided on both sides of the liquid crystal layer 1003 opposite to the first alignment layers 1002;
a common electrode 1005 provided on the second alignment layer 1004 on the side away from the liquid crystal layer 1003; and
the color film 1006 covers the common electrode 1005.
In application, the protective layer, the pixel electrode, the first alignment layer, the liquid crystal layer, the second alignment layer, the common electrode and the color film are sequentially formed on the substrate. Another substrate, called a color film substrate, may also be disposed on the other side of the color film away from the common electrode, that is, the display panel may include two substrates disposed oppositely, one of the two substrates is an array substrate, and the other substrate is a color film substrate.
Sixth, by adopting the display panel formed by the array substrate in fifth, the brightness of the first and last rows of pixels can be effectively reduced when the white picture is displayed, and then the brightness of the red and blue lines displayed on the edges of the two sides of the display area is reduced, thereby improving the display effect of the white picture.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A pixel is applied to an array substrate, wherein red pixels, green pixels and blue pixels in a display area of the array substrate are sequentially and periodically arranged in a row direction, the pixel is positioned in a first column and a last column of the display area, and a pixel electrode in the pixel and other pixel electrodes in other pixels meet at least one of the following three conditions:
the first condition is: the width of the frame electrode wire in the pixel electrode is greater than the width of the frame electrode wire in the other pixel electrodes;
the second condition is: the density of the orientation electrode wires in the pixel electrodes is smaller than that of the orientation electrode wires in the other pixel electrodes;
the third condition is: the area of the pixel electrode is smaller than the area of the other pixel electrodes.
2. The pixel of claim 1, wherein the pixel electrode and the other pixel electrodes comprise a plurality of domains, and any two adjacent domains share a common border electrode line therebetween, and the first condition comprises at least one of:
the first case is: the width of at least one public frame electrode line in the pixel electrodes is larger than the width of the corresponding public frame electrode line in the other pixel electrodes;
the first case is: the width of at least one non-common frame electrode line in the pixel electrodes is larger than the width of the corresponding non-common frame electrode line in the other pixel electrodes.
3. The pixel of claim 1, wherein the second condition comprises at least one of:
the first case is: the space between the orientation electrode wires in the pixel electrode is larger than the space between the orientation electrode wires in the other pixel electrodes;
the second case is: the width of the orientation electrode wire in the pixel electrode is smaller than the width of the orientation electrode wire in the other pixel electrodes.
4. The pixel of claim 1, wherein the pixel electrode comprises a first domain unit and a second domain unit, and the first domain unit and the second domain unit share a common frame electrode line therebetween;
the first condition is: the width of a non-public frame electrode line in the first domain area unit is greater than that of a non-public frame electrode line in the second domain area unit, and the width of the non-public frame electrode line in the second domain area unit is equal to that of the non-public frame electrode lines in the other pixel electrodes;
the second condition is: the density of the oriented electrode wires in the first domain area unit is less than that of the oriented electrode wires in the second domain area unit, and the density of the oriented electrode wires in the second domain area unit is equal to that of the oriented electrode wires in other pixel electrodes;
the third condition is: the area of the first domain area unit is smaller than that of the second domain area unit, and the area of the other pixel electrodes is equal to twice of that of the second domain area unit;
the first domain unit is closer to the edge of the display area of the array substrate than the second domain unit.
5. The pixel of claim 4, wherein the second condition comprises at least one of:
the first case is: the space between the oriented electrode wires in the first domain unit is larger than the space between the oriented electrode wires in the second domain unit;
the second case is: the width of the oriented electrode wire in the first domain unit is smaller than that of the oriented electrode wire in the second domain unit.
6. The pixel of claim 4, wherein a common frame electrode line shared between the first domain unit and the second domain unit is slotted.
7. The pixel of any one of claims 1 to 6, further comprising:
an electronic switching device electrically connected to the pixel electrode;
the grid line is arranged on one side of the pixel electrode and is electrically connected with the electronic switching device; and
the data line is arranged on the other side of the pixel electrode and is electrically connected with the electronic switch device;
the pixel electrode and the other pixel electrodes satisfy the third condition, the area of the pixel is equal to the area of the other pixel where the other pixel electrode is located, and the area of the electronic switching device is larger than the area of the electronic switching device in the other pixel.
8. The pixel of claim 7, wherein the electronic switching device comprises a gate, a drain, a source, and an active layer disposed between the gate and the drain and the source;
the pixel electrode is electrically connected with the drain electrode, the gate line is electrically connected with the gate electrode, and the data line is electrically connected with the source electrode;
the pixel further includes:
a gate insulating layer disposed between the active layer and the gate electrode and the gate line; and
and the protective layer is arranged among the pixel electrode, the data line, the source electrode and the drain electrode, and the pixel electrode is electrically connected with the drain electrode through the through hole of the protective layer.
9. An array substrate, comprising:
a substrate; and
a plurality of pixels arranged in a two-dimensional array on the substrate to form a display area, wherein each row of pixels in the display area is periodically arranged according to the sequence of red pixels, green pixels and blue pixels, and the first column and the last column of pixels in the display area are the pixels as claimed in any one of claims 1 to 8.
10. A display panel, comprising:
the array substrate of claim 9;
the first orientation layer covers the array substrate;
the liquid crystal layer is arranged on one side, far away from the array substrate, of the first alignment layer;
the second alignment layer is arranged on two sides of the liquid crystal layer opposite to the first alignment layer;
the common electrode is arranged on one side of the second alignment layer far away from the liquid crystal layer; and
and the color film covers the common electrode.
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