CN114488629B - Pixel, array substrate and display panel - Google Patents
Pixel, array substrate and display panel Download PDFInfo
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- CN114488629B CN114488629B CN202111638928.9A CN202111638928A CN114488629B CN 114488629 B CN114488629 B CN 114488629B CN 202111638928 A CN202111638928 A CN 202111638928A CN 114488629 B CN114488629 B CN 114488629B
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- 239000000758 substrate Substances 0.000 title claims abstract description 49
- 239000010410 layer Substances 0.000 claims description 53
- 239000004973 liquid crystal related substance Substances 0.000 claims description 36
- 239000011241 protective layer Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 12
- 230000000875 corresponding effect Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 8
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- 238000000034 method Methods 0.000 description 5
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- 239000004065 semiconductor Substances 0.000 description 3
- 230000005669 field effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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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
- G02F1/136227—Through-hole connection of the pixel electrode to the active element through an insulation layer
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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
- G02F1/136286—Wiring, e.g. gate line, drain line
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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
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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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 column and a last column 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 lines in the pixel electrodes is larger than that of the frame electrode lines in other pixel electrodes, the density of the orientation electrode lines in the pixel electrodes is smaller than that of the orientation electrode lines in other pixel electrodes, and the area of the pixel electrodes is smaller than that of the other pixel electrodes. The application can effectively reduce 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, thereby improving the display effect of the white picture.
Description
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 layered endlessly, which brings great convenience to the production and life of people, such as a Liquid crystal display panel (Liquid CRYSTAL DISPLAY, LCD). When the liquid crystal display panel displays a white picture, red (Red, R), green (Green, G) and Blue (Blue, B) pixels are required to be simultaneously turned on, and when each row of pixels in the display area are periodically arranged in the order of the Red, green and Blue pixels, the edges on both sides of the display area respectively display a Red line and a Blue line, which seriously affects the display effect of the white picture.
Disclosure of Invention
In view of the above, the embodiments of the present application provide a pixel, an array substrate, and a display panel, so as to solve the problem that when a white image is displayed, edges on two sides of the display area respectively display a red line and a blue line, which seriously affect the display effect, of a liquid crystal display panel in which pixels in each row of the display area are periodically arranged in the order of red pixels, green pixels, and blue pixels.
A first aspect of an embodiment of the present application provides a pixel, applied to an array substrate, where each row of pixels in a display area of the array substrate are periodically arranged in order of a red pixel, a green pixel, and a blue pixel, where 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 larger than that of the frame electrode wires in the other pixel electrodes;
the second condition is: the density of the oriented electrode lines in the pixel electrode is less than that of the oriented electrode lines in the other pixel electrodes;
the third condition is: the area of the pixel electrode is smaller than that of the other pixel electrodes.
In one embodiment, the pixel electrode and the other pixel electrode include a plurality of domains, and a common frame electrode line is shared between any two adjacent domains, and the first condition includes at least one of the following two cases:
The first case is: the width of at least one common frame electrode line in the pixel electrodes is larger than the width of corresponding common frame electrode lines 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 first case is: the spacing of the orientation electrode wires in the pixel electrodes is larger than the spacing of the orientation electrode wires in the other pixel electrodes;
the second case is: the width of the oriented electrode line in the pixel electrode is smaller than the width of the oriented electrode line in the other pixel electrode.
In one embodiment, the pixel electrode includes a first domain unit and a second domain unit, and a common frame electrode line is shared between the first domain unit and the second domain unit;
The first condition is: the width of the non-common frame electrode wire in the first domain area unit is larger than that of the non-common frame electrode wire in the second domain area unit, and the width of the non-common frame electrode wire in the second domain area unit is equal to that of the non-common frame electrode wire in the other pixel electrodes;
the second condition is: the density of the oriented electrode wires in the first domain area unit is smaller 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 the 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 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 first case is: the distance between the oriented electrode wires in the first domain area unit is larger than the distance between the oriented electrode wires in the second domain area 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 with 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 switching device; the pixel electrode and the other pixel electrodes meet the third condition, the area of the pixel is equal to the area of the other pixels where the other pixel electrodes are located, and the area of the electronic switching device is larger than the area of the electronic switching device in the other pixels.
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 electrode and the source electrode;
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 pixel electrode is electrically connected with the drain electrode through a via hole of the protective layer.
A second aspect of an embodiment of the present application provides an array substrate, including:
A substrate;
The 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 first column and the last column of pixels in the display area are pixels provided in the first aspect.
A third aspect of the embodiments of the present application also provides a display panel, including:
The array substrate provided in the second aspect;
The first orientation layer is covered on the array substrate;
the liquid crystal layer is arranged on one side of the first orientation layer, which is far away from the array substrate;
the second alignment layers are arranged on two sides of the liquid crystal layer opposite to the first alignment layers;
a common electrode provided on a side of the second alignment layer away from the liquid crystal layer; and
And the color film is covered on the public electrode.
The pixel electrode provided in the first aspect of the embodiment of the application is applied to an array substrate, and red pixels, green pixels and blue pixels in a display area of the array substrate are sequentially and periodically arranged in a row direction, so that the pixel electrode in a first column and a last column 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 the density of the orientation electrode wire in other pixel electrodes, and the area of the pixel electrode is smaller than the area of other pixel electrodes, so that the brightness of the red and blue wires displayed on the edges of two sides of the display area can be effectively reduced when the white picture is displayed, and the display effect of the white picture is improved.
It will be appreciated that the advantages of the second and third aspects may be found in the relevant description of the first aspect and are not described in detail herein.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an array substrate according to an embodiment of the present application;
Fig. 2 is a schematic diagram 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 a second embodiment of the present application;
fig. 5 is a schematic diagram of a fourth structure of a pixel electrode according to the 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 view 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 application;
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 view of a third structure of a pixel electrode according to a fourth embodiment of the present application;
fig. 11 is a schematic structural diagram of a pixel according to a 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 electrodes, 11-first domains, 12-first horizontal common frame electrode lines, 13-first vertical common frame electrode lines, 14-first horizontal non-common frame electrode lines, 15-first vertical non-common frame electrode lines and 16-first orientation electrode lines;
20-other pixel electrodes, 21-second domains, 22-second horizontal common frame electrode lines, 23-second vertical common frame electrode lines, 24-second horizontal non-common frame electrode lines, 25-second vertical non-common frame electrode lines and 26-second orientation electrode lines;
30-first domain units, 31-third domains, 32-first non-common frame electrode lines, 33-third orientation electrode lines;
40-second domain units, 41-fourth domains, 42-second non-common frame electrode lines, 43-fourth orientation electrode lines;
50-electronic switching device, 51-drain electrode, 52-source electrode, 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, 1006-color film.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution of an embodiment of the present application will be clearly described below with reference to the accompanying drawings in the embodiment of the present application, and it is apparent that the described embodiment is a part of the embodiment of the present application, but not all the embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
The term "comprising" in the description of the application and the claims and in the above figures and any variants thereof is intended to cover a non-exclusive inclusion. For example, a process, method, or system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed but may optionally include additional steps or elements not listed or inherent to such process, method, article, or apparatus. Furthermore, the terms "first," "second," and "third," etc. are used for distinguishing between different objects and not for describing a particular sequential order. The term "plurality" means "at least two".
Example 1
As shown in fig. 1, an embodiment of the present application provides an array substrate of a liquid crystal display panel, including:
A substrate 100; and
The plurality of pixels 200 are arranged in a two-dimensional array on the substrate 100 to form a display area 300, and red pixels, green pixels and 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, red pixels, green pixels and blue pixels are required to be lightened simultaneously, and pixels near the edges of two sides of the display area are respectively a column of red pixels and a column of blue pixels, so that the edges of 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.
For convenience of description and distinction of different objects in all embodiments of the present application, each pixel in the first column red pixel and the last column blue pixel of the display area is defined as a "pixel", a pixel electrode in the "pixel" is defined as a "pixel electrode", each pixel in the second column pixel to the penultimate column pixel of the display area is defined as a "other pixel", and a pixel electrode in the "other pixel" is defined as a "other pixel electrode".
In an application, for the first and last column of pixels, the brightness of the first and last column of pixels may be reduced by increasing the width of the frame electrode lines in the pixel electrodes, decreasing the density of the orientation electrode lines in the pixel electrodes, or decreasing the area of the pixel electrodes, e.g. such that the pixel electrodes and the other pixel electrodes fulfill 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 that of the frame electrode wires in other pixel electrodes;
The second condition is: the density of the oriented electrode lines in the pixel electrode is less than that of the oriented electrode lines 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 frame electrode lines in the pixel electrode, the density of the orientation electrode lines, and the area of the pixel electrode are equal to each other, the density of the orientation electrode lines in the pixel electrode is equal to each other, and the area of the pixel electrode is equal to each other without changing the widths of the frame electrode lines, the densities of the orientation electrode lines, and the areas of the pixel electrode. When the pixel electrode and the other pixel electrode satisfy at least one of the above three conditions, maintaining unchanged parameters of the width of the frame electrode line, the density of the orientation electrode line and the area of the pixel electrode in the pixel electrode to be equal to those in the other pixel electrode, so that the relationship between the pixel electrode and the other pixel electrode may include the following seven cases:
First 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 wires in the pixel electrode is equal to that of the orientation electrode wires in other pixel electrodes, and the area of the pixel electrode is equal to that of the other pixel electrodes, namely the first condition is met;
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 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 equal to that of the other pixel electrodes, namely the second condition is met;
Third 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 orientation electrode wire in the pixel electrode is equal to the density 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, namely the third condition is satisfied;
fourth case: the width of the frame electrode wire in the pixel electrode is larger than that of the frame electrode wires in other pixel electrodes, the density of the orientation electrode wires in the pixel electrode is smaller than that of the orientation electrode wires in other pixel electrodes, and the area of the pixel electrode is equal to that of the other pixel electrodes, namely, the first condition and the second condition are met simultaneously;
Fifth case: the width of the frame electrode wire in the pixel electrode is larger than that of the frame electrode wires in other pixel electrodes, the density of the orientation electrode wires in the pixel electrode is equal to that of the orientation electrode wires 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 at the same time;
Sixth 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 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, namely, the second condition and the third condition are met at the same time;
seventh case: the width of the frame electrode lines in the pixel electrode is larger than the width of the frame electrode lines in other pixel electrodes, the density of the orientation electrode lines in the pixel electrode is smaller than the density of the orientation electrode lines 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 met at the same time.
According to the first embodiment of the application, the brightness of the red lines and the blue lines displayed on the edges of the two sides of the display area can be effectively reduced when a white picture is displayed by increasing the width of the frame electrode lines in the pixel electrode, reducing the density of the orientation electrode lines in the pixel electrode or reducing the area of the pixel electrode, 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, which both comprise a plurality of domains and meet a first condition, and a common frame electrode line is shared between any two adjacent domains;
based on the structure 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 common frame electrode wire in the pixel electrodes is larger than the width of corresponding common frame electrode wires 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 effect of the frame electrode line is to limit the tilt direction of the liquid crystal molecules near the frame electrode line by applying a voltage to the liquid crystal molecules in the area where the frame electrode line is located, and generally the tilt direction of the liquid crystal molecules near the frame electrode line is the same as or has a corresponding relationship with the frame electrode line. 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, the lower the brightness of the liquid crystal pixel where the frame electrode line is positioned; wherein the brightness of the liquid crystal pixel is inversely related to the sum of the areas of the frame electrode lines in the liquid crystal pixel.
In application, the number of domains in the pixel electrode and other pixel electrodes are 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 electrodes is different.
In application, the domains in the pixel electrode and other pixel electrodes can be divided according to actual needs, i.e. the shapes and the arrangement of the domains in the pixel electrode and other pixel electrodes can be set according to actual needs. In order to tilt the liquid crystal molecules in a plurality of different directions regularly after alignment, instead of being randomly tilted, the pixel electrode may be divided into a plurality of regularly arranged and symmetrically distributed domains as much as possible, and the domains should also be set to a regular shape such as 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 is 2, the number of the common frame electrode wires is 1 and the number of the non-common frame electrode wires is 4; when the number of the domains is 4, the number of the common frame electrode wires is 2 and the number of the non-common frame electrode wires is 4; when the number of the domains is 6, the number of the common frame electrode wires is 3 and the number of the non-common frame electrode wires is 4; when the number of the domains is 8, the number of the common frame electrode wires is 4 and the number of the non-common frame electrode wires is 4; … …; and so on, when the number of 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, wherein m is a positive even number.
As shown in fig. 2 to 5, the pixel electrode 10 and the other pixel electrodes 20 are exemplarily shown;
the pixel electrode 10 includes four first domains 11, and 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 oppositely arranged and two first vertical non-common frame electrode lines 15 oppositely arranged respectively);
The other pixel electrode 20 includes four second domains 21, and four second domains 21 include: two first common frame electrode lines (respectively, a second horizontal common frame electrode line 22 and a second vertical common frame electrode line 23), and four second non-common frame electrode lines (respectively, two second horizontal non-common frame electrode lines 24 oppositely arranged and two second vertical non-common frame electrode lines 25 oppositely arranged);
The width of the first horizontal common frame electrode line 12 in the pixel electrode 10 is exemplarily shown in fig. 2 to be larger than the width of the corresponding second horizontal common frame electrode line 22 in the other pixel electrodes 20;
The width of the first vertical common frame electrode line 13 in the pixel electrode 10 is exemplarily shown in fig. 3 to be larger than the width of the corresponding second vertical common frame electrode line 23 in the other pixel electrodes 20;
The width of the first horizontal non-common frame electrode line 14 in the pixel electrode 10 is exemplarily shown in fig. 4 to be larger than the width of the corresponding second horizontal non-common frame electrode line 24 in the other pixel electrode 20;
In fig. 5, it is exemplarily shown that the width of the first vertical non-common frame electrode line 15 in the pixel electrode 10 is larger than the width of the corresponding second vertical non-common frame electrode line 25 in the other pixel electrode 20.
In the second embodiment of the 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 red lines and blue lines displayed on the edges of two sides of the display area can be effectively reduced when a white picture is displayed, thereby improving the display effect of the white picture.
Example III
The third embodiment of the present application provides a pixel electrode and other pixel electrodes, where the two satisfy a second condition, and the second condition includes at least one of the following two cases:
the first case is: the spacing of the orientation electrode wires in the pixel electrode is larger than the spacing of 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 lines in the other pixel electrodes.
In application, the alignment electrode lines are used for limiting the inclination direction of the liquid crystal molecules by applying voltage to the liquid crystal molecules in the area where the alignment electrode lines are located, and the inclination direction of the liquid crystal molecules is generally the same as or has a corresponding relationship with the alignment electrode lines. The density of the orientation electrode wires is positively related to the transmittance and brightness of the liquid crystal pixels, and the larger the density of the orientation electrode wires is, the wider the width and smaller the spacing of the orientation electrode wires are, the higher the transmittance of the liquid crystal pixels where the orientation electrode wires are positioned is; conversely, the smaller the density of the alignment electrode lines, the smaller the width and the larger the pitch of the alignment electrode lines, and the lower the transmittance of the liquid crystal pixels where the alignment electrode lines are positioned; wherein the transmittance is equal to the sum of areas of the oriented 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 comprises four first domains 11, and the first orientation electrode line in the four first domains 11 is 16;
the other pixel electrode 20 comprises four second domains 21, and the second orientation 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;
The width of the first oriented electrode line 16 in the pixel electrode 10 is exemplarily shown in fig. 7 to be smaller than the width of the second oriented electrode line 26 in the other pixel electrode 20.
In the third embodiment of the application, the pixel electrode is divided into a plurality of domains, so that the distance between the orientation electrode wires in the pixel electrode is increased or the width of the orientation electrode wires is reduced, and the brightness of the red wires and the blue wires displayed on the edges of the two sides of the display area can be effectively reduced when the white picture is displayed, thereby improving the display effect of the white picture.
Example IV
The fourth embodiment of the application provides a pixel electrode, which comprises a first domain unit and a second domain unit, wherein a common frame electrode line is shared between the first domain unit and the second domain unit, 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 than the second domain unit.
In application, the first domain unit and the second domain unit both comprise at least one domain, and the number of the domains included in the first domain unit and the second domain unit can be set according to actual needs. 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, so that the same structure as the pixel electrodes is obtained.
In an 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 border 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, e.g. the pixel electrode and the other pixel electrode fulfill at least one of the following three conditions:
The first condition is: the width of the non-common frame electrode wire in the first domain area unit is larger than that of the frame electrode wire in the second domain area unit, and the width of the non-common frame electrode wire in the second domain area unit is equal to that of the non-common frame electrode wire in other pixel electrodes;
The second condition is: the density of the oriented electrode wires in the first domain area unit is smaller 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 electrode is equal to twice that of the second domain unit.
It should be understood that the widths of the non-common border electrode lines in the first domain unit and the second domain unit, the densities of the alignment electrode lines in the first domain unit and the second domain unit, and the areas of the first domain unit and the second domain unit are equal without changing the widths of the non-common border electrode lines in the first domain unit, the densities of the alignment electrode lines, and the areas of the first domain unit and the second domain unit. When the first domain unit and the second domain unit meet at least one of the three conditions, maintaining unchanged parameters of 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 and the second domain unit to be equal to each other, so that the relationship between the pixel electrode and other pixel electrodes can include the following seven cases:
First case: the width of the non-common frame electrode wire in the first domain unit is larger than that of the non-common frame electrode wire in the second domain unit, the density of the oriented electrode wires in the first domain unit is equal to that of the oriented electrode wires in the second domain unit, and the area of the first domain unit is equal to that of the second domain unit, namely the first condition is met;
Second case: the width of the non-common frame electrode wire in the first domain unit is equal to that of the non-common frame electrode wire in the second domain unit, the density of the oriented electrode wires in the first domain unit is smaller than that of the oriented electrode wires in the second domain unit, and the area of the first domain unit is equal to that of the second domain unit, namely the second condition is met;
Third case: the width of the non-common frame electrode wire in the first domain unit is equal to that of the non-common frame electrode wire in the second domain unit, the density of the oriented electrode wires in the first domain unit is equal to that of the oriented electrode wires in the second domain unit, and the area of the first domain unit is smaller than that of the second domain unit, namely the third condition is met;
Fourth case: the width of the non-common frame electrode wire in the first domain area unit is larger than that of the non-common frame electrode wire in the second domain area unit, the density of the oriented electrode wires in the first domain area unit is smaller than that of the oriented electrode wires 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;
Fifth case: the width of the non-common frame electrode wire in the first domain unit is larger than that of the non-common frame electrode wire in the second domain unit, the density of the oriented electrode wires in the first domain unit is equal to that of the oriented electrode wires 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 and the third condition are met simultaneously;
Sixth case: the width of the non-common frame electrode wire in the first domain area unit is equal to that of the non-common frame electrode wire in the second domain area unit, the density of the oriented electrode wires in the first domain area unit is smaller than that of the oriented electrode wires 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;
Seventh case: the width of the non-common frame electrode wire in the first domain unit is larger than that of the non-common frame electrode wire in the second domain unit, the density of the oriented electrode wires in the first domain unit is smaller than that of the oriented electrode wires 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 met simultaneously.
In an application, when the first domain unit and the second domain unit meet a second condition, the second condition includes at least one of the following two cases:
The first case is: the spacing of the oriented electrode wires in the first domain units is larger than the spacing of the oriented electrode wires in the second domain units;
the second case is: the width of the oriented electrode line in the first domain unit is smaller than that of the oriented electrode line in the second domain unit.
In application, the domains in the first domain unit and the second domain unit can be divided according to actual needs, i.e. the shapes and arrangements of the domains in the first domain unit and the second domain unit can be set according to actual needs. In order to make the liquid crystal molecules tilt in a plurality of different directions after alignment, instead of being randomly tilted, 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 also be set to a regular shape, for example, a triangle, a quadrangle, a regular pentagon, a regular hexagon, or the like, as much as possible.
In the 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 wires 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 wires 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 wires in the first domain unit and the second domain unit is 5; … …; and so on, when the number of domains in the first domain unit and the second domain unit is n, the number of non-common frame electrode wires 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, the first domain unit 30 and the 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 orientation electrode line 33;
The second domain unit 40 includes two fourth domains 41, four second non-common frame electrode lines 42, and fourth orientation electrode lines 43;
Fig. 8 exemplarily shows that the width of the first non-common border electrode line 32 in the first domain unit 30 is larger than the width of the corresponding second non-common border 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 larger 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 slits can be formed in the common frame electrode line through processes such as hollowed-out, etching, cutting and the like.
In the fourth embodiment of the 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 wire in the first domain unit is increased, the density of the oriented electrode wire in the first domain unit is reduced or the area of the first domain unit is reduced, the brightness of the red line and the blue line displayed on the edges of the two sides of the display area can be effectively reduced when the white picture is displayed, and the display effect of the white picture is improved; by providing the slit in one common frame electrode line shared between the first domain unit and the second domain unit, the tilt directions of the 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 function, which may be applied to a liquid crystal display panel, for example, a bipolar junction transistor (bipolar junction transistor, BJT), a field effect transistor (FIELD EFFECT transistor, FET), or a thin film transistor (Thin Film Transistor, TFT), etc.
In one embodiment, the pixel electrode and the other pixel electrode satisfy a 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 the wiring of the gate lines and the data lines, the area of the pixel can be kept unchanged, that is, the area of the pixel is equal to the area of other pixels, the pixel is realized by increasing the area of the electronic switching device in the pixel and reducing the area of the pixel electrode, that is, the area of the pixel electrode in the pixel is larger than the area of the pixel electrode in the other pixels, and the area of the electronic switching device in the pixel is larger than the area of the electronic switching device in the other pixels, so that the pixel electrode and the 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 application, parasitic capacitance is formed between the gate and 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 a 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 form an electronic switching device, the gate electrode and the gate electrode 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 composed of multiple layers of different types of semiconductor materials, for example, an organic semiconductor active layer composed 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;
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 a via hole of the protective layer.
In application, a gate insulating layer is formed between the active layer and the gate electrode, spacing the active layer from the gate electrode for insulation. 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 via hole, and the pixel electrode is electrically connected with the drain electrode through the via hole. The protective layer and the first orientation layer are oppositely arranged on two surfaces of the pixel electrode. The substrate may be any substrate suitable for a liquid crystal display panel, for example, a glass substrate, according to practical needs.
In an application, the pixel may include at least one electronic switching device, each of which is electrically connected to one gate line and one data line. When the pixel comprises a plurality of domains, the pixel comprises a plurality of electronic switching devices corresponding to the number of the domains, 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 grid lines and the same data line. The region where one pixel is located is generally a region 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, wherein the first direction is perpendicular to the second direction.
It should be understood that the intersection of the gate line and the data line in fig. 11 represents only the intersection of the two in place and not the electrical connection.
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 are different.
In the fifth embodiment of the present application, the pixels in any one of the second to fourth embodiments of the present application form the first column and the last column of pixels in the display area of the array substrate, so that the brightness of the first column and the last column of pixels when displaying the white picture can be effectively reduced, and further the brightness of the red line and the blue line displayed at the edges of two sides of the display area can be reduced, thereby improving the display effect of the white picture.
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 remote from the array substrate 1001;
second alignment layers 1004 disposed on both sides of the liquid crystal layer 1003 opposite to the first alignment layers 1002;
a common electrode 1005 provided on a side of the second alignment layer 1004 away from the liquid crystal layer 1003; and
Color film 1006 covers 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. The other side of the color film far away from the public electrode can be provided with another substrate, which is called a color film substrate, namely the display panel can comprise two substrates which are oppositely arranged, wherein one substrate is an array substrate, and the other substrate is a color film substrate.
In the sixth embodiment of the present application, the array substrate in the fifth embodiment of the present application is used to form a display panel, so that the brightness of the pixels in the first column and the last column when displaying the white picture can be effectively reduced, and further the brightness of the red line and the blue line displayed at the edges of the two sides of the display area can be reduced, thereby improving the display effect of the white picture.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (6)
1. The pixel is applied to an array substrate, 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 is characterized in that the pixels are positioned in a first column and a last column of the display area, a pixel electrode in the pixel comprises a first domain area unit and a second domain area unit, a common frame electrode line is shared between the first domain area unit and the second domain area unit, and the pixel electrode 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 larger than the width of the frame electrode wire in the other pixel electrodes, the width of the non-common frame electrode wire in the first domain area unit is larger than the width of the non-common frame electrode wire in the second domain area unit, and the width of the non-common frame electrode wire in the second domain area unit is equal to the width of the non-common frame electrode wire in the other pixel electrodes;
The second condition is: the density of the oriented electrode wires in the pixel electrode is smaller than that of the oriented electrode wires in the other pixel electrodes, the density of the oriented electrode wires in the first domain unit is smaller than that of the oriented electrode wires in the second domain unit, and the density of the oriented electrode wires in the second domain unit is equal to that of the oriented electrode wires in the other pixel electrodes;
The third condition is: the area of the pixel electrode is smaller than that of the other pixel electrodes, 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 that of the second domain area unit;
Wherein the first domain unit is closer to the edge of the display area of the array substrate than the second domain unit;
The pixel further includes:
an electronic switching device electrically connected with 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 switching device;
And when the pixel electrode and the other pixel electrodes meet the third condition, the area of the pixel is equal to the area of the other pixels where the other pixel electrodes are located, and the area of the electronic switching device is larger than the area of the electronic switching device in the other pixels.
2. The pixel of claim 1, wherein the second condition comprises at least one of:
The first case is: the distance between the oriented electrode wires in the first domain area unit is larger than the distance between the oriented electrode wires in the second domain area 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.
3. The pixel of claim 1 wherein a common frame electrode line shared between the first domain unit and the second domain unit is slit.
4. The pixel of claim 1, 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 pixel electrode is electrically connected with the drain electrode through a via hole of the protective layer.
5. An array substrate, characterized by 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 are 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 set forth in any one of claims 1 to 4.
6. A display panel, comprising:
The array substrate of claim 5;
The first orientation layer is covered on the array substrate;
the liquid crystal layer is arranged on one side of the first orientation layer, which is far away from the array substrate;
the second alignment layers are arranged on two sides of the liquid crystal layer opposite to the first alignment layers;
a common electrode provided on a side of the second alignment layer away from the liquid crystal layer; and
And the color film is covered on the public electrode.
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| CN208156379U (en) * | 2018-02-26 | 2018-11-27 | 惠科股份有限公司 | Pixel structure and array substrate |
| CN109521591A (en) * | 2018-12-17 | 2019-03-26 | 惠科股份有限公司 | Display panel and display device |
| CN112114450A (en) * | 2019-06-20 | 2020-12-22 | 北京小米移动软件有限公司 | Display method, display device and storage medium |
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| CN208156379U (en) * | 2018-02-26 | 2018-11-27 | 惠科股份有限公司 | Pixel structure and array substrate |
| CN109521591A (en) * | 2018-12-17 | 2019-03-26 | 惠科股份有限公司 | Display panel and display device |
| CN112114450A (en) * | 2019-06-20 | 2020-12-22 | 北京小米移动软件有限公司 | Display method, display device and storage medium |
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