CN111538189B - Pixel electrode and liquid crystal display panel - Google Patents
Pixel electrode and liquid crystal display panel Download PDFInfo
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- CN111538189B CN111538189B CN202010449255.1A CN202010449255A CN111538189B CN 111538189 B CN111538189 B CN 111538189B CN 202010449255 A CN202010449255 A CN 202010449255A CN 111538189 B CN111538189 B CN 111538189B
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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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133707—Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
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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
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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
Abstract
The invention provides a pixel electrode and a liquid crystal display panel. The pixel electrode comprises a main electrode, a branch electrode and an edge electrode; the main electrode is divided into a transverse electrode and a longitudinal electrode perpendicular to the transverse electrode; the transverse electrode and the longitudinal electrode divide the area corresponding to the pixel electrode into four liquid crystal alignment areas, and the branch electrodes are positioned in the liquid crystal alignment areas; the transverse electrodes and the longitudinal electrodes are in a straight strip shape and do not have a bending structure, and the connection positions of the branch electrodes and the main electrodes in at least two liquid crystal alignment areas are staggered. According to the invention, the branch electrodes are arranged in a staggered manner, and an asymmetric electric field is formed at two sides of the main electrode, so that the arrangement of liquid crystal molecules near the main electrode along the azimuth angles of the branch electrodes is facilitated, the dark fringes are improved, the penetration rate is increased, the picture quality is improved, and the power consumption is reduced.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a pixel electrode and a liquid crystal display panel.
Background
In order to obtain better wide viewing angle characteristics of the VA-mode liquid crystal display panel and improve the color cast problem, a multi-domain VA (MVA) technology is generally adopted, that is, one sub-pixel is divided into a plurality of areas, and the liquid crystal in each area is caused to fall down to different directions after voltage is applied, so that the effect seen in each direction tends to be average and consistent.
In the prior art, the branch electrodes in each domain area of the pixel electrode are symmetrically distributed about the main electrode, that is, the electric fields at two sides of the main electrode are symmetrically distributed, and the pixel electrode structure can cause that liquid crystal molecules near the main electrode cannot deflect normally, and dark fringes can be generated, so that the transmittance of the liquid crystal display panel is low, the picture quality of the liquid crystal display panel is affected, and the power consumption is increased. Therefore, it is necessary to improve this defect.
Disclosure of Invention
The embodiment of the invention provides a pixel electrode, which is used for solving the technical problems that in the pixel electrode in the prior art, branch electrodes in all domain areas are symmetrically distributed about a main electrode, so that electric fields at two sides of the main electrode are symmetrically distributed, liquid crystal molecules near the main electrode cannot deflect normally, dark lines are generated, the penetration rate is reduced, the picture quality is affected and the power consumption is increased.
The embodiment of the invention provides a pixel electrode, which comprises a main electrode, a branch electrode and an edge electrode; the main electrode is divided into a transverse electrode and a longitudinal electrode perpendicular to the transverse electrode, and both ends of the transverse electrode and the longitudinal electrode are connected with the edge electrode; one end of the branch electrode is connected with the main electrode, and the other end of the branch electrode is connected with the edge electrode; the transverse electrode and the longitudinal electrode divide the area corresponding to the pixel electrode into four liquid crystal alignment areas, and the branch electrodes are positioned in the liquid crystal alignment areas; the transverse electrodes and the longitudinal electrodes are in a straight strip shape and do not have a bending structure, and the connection positions of the branch electrodes and the main electrodes in at least two liquid crystal alignment areas are staggered.
Further, the four liquid crystal alignment areas include a first liquid crystal alignment area, a second liquid crystal alignment area, a third liquid crystal alignment area and a fourth liquid crystal alignment area, the branch electrode in the first liquid crystal alignment area is parallel to the branch electrode in the third liquid crystal alignment area, and the branch electrode in the second liquid crystal alignment area is parallel to the branch electrode in the fourth liquid crystal alignment area.
Further, the branch electrode in the first liquid crystal alignment region and the branch electrode in the second liquid crystal alignment region are symmetrical with respect to the longitudinal electrode, and the branch electrode in the third liquid crystal alignment region and the branch electrode in the fourth liquid crystal alignment region are symmetrical with respect to the longitudinal electrode; slits between the branch electrodes in the first liquid crystal alignment region and the branch electrodes in the fourth liquid crystal alignment region are symmetrical with respect to the transverse electrode, and slits between the branch electrodes in the second liquid crystal alignment region and the branch electrodes in the third liquid crystal alignment region are symmetrical with respect to the transverse electrode.
Further, the branch electrode in the first liquid crystal alignment region and the branch electrode in the fourth liquid crystal alignment region are symmetrical with respect to the transverse electrode, and the branch electrode in the second liquid crystal alignment region and the branch electrode in the third liquid crystal alignment region are symmetrical with respect to the transverse electrode; slits between the branch electrodes in the first liquid crystal alignment region and the branch electrodes in the second liquid crystal alignment region are symmetrical with respect to the longitudinal electrode, and slits between the branch electrodes in the third liquid crystal alignment region and the branch electrodes in the fourth liquid crystal alignment region are symmetrical with respect to the longitudinal electrode.
Further, the slit between the branch electrode in the first liquid crystal alignment region and the branch electrode in the fourth liquid crystal alignment region is symmetrical with respect to the lateral electrode, and the slit between the branch electrode in the second liquid crystal alignment region and the branch electrode in the third liquid crystal alignment region is symmetrical with respect to the lateral electrode; slits between the branch electrodes in the first liquid crystal alignment region and the branch electrodes in the second liquid crystal alignment region are symmetrical with respect to the longitudinal electrode, and slits between the branch electrodes in the third liquid crystal alignment region and the branch electrodes in the fourth liquid crystal alignment region are symmetrical with respect to the longitudinal electrode.
The embodiment of the invention provides a liquid crystal display panel, which comprises a first substrate, a second substrate and a liquid crystal molecular layer, wherein the first substrate and the second substrate are arranged in a box, and the liquid crystal molecular layer is arranged between the first substrate and the second substrate; a plurality of pixel electrodes are arranged on one side of the first substrate facing the second substrate, and a common electrode is arranged on one side of the second substrate facing the first substrate; each pixel electrode comprises a main electrode, a branch electrode and an edge electrode; the main electrode is divided into a transverse electrode and a longitudinal electrode perpendicular to the transverse electrode, and both ends of the transverse electrode and the longitudinal electrode are connected with the edge electrode; one end of the branch electrode is connected with the main electrode, and the other end of the branch electrode is connected with the edge electrode; the transverse electrode and the longitudinal electrode divide the area corresponding to the pixel electrode into four liquid crystal alignment areas, and the branch electrodes are positioned in the liquid crystal alignment areas; the transverse electrodes and the longitudinal electrodes are in a straight strip shape and do not have a bending structure, and the connection positions of the branch electrodes and the main electrodes in at least two liquid crystal alignment areas are staggered.
Further, the four liquid crystal alignment areas include a first liquid crystal alignment area, a second liquid crystal alignment area, a third liquid crystal alignment area and a fourth liquid crystal alignment area, the branch electrode in the first liquid crystal alignment area is parallel to the branch electrode in the third liquid crystal alignment area, and the branch electrode in the second liquid crystal alignment area is parallel to the branch electrode in the fourth liquid crystal alignment area.
Further, the branch electrode in the first liquid crystal alignment region and the branch electrode in the second liquid crystal alignment region are symmetrical with respect to the longitudinal electrode, and the branch electrode in the third liquid crystal alignment region and the branch electrode in the fourth liquid crystal alignment region are symmetrical with respect to the longitudinal electrode; slits between the branch electrodes in the first liquid crystal alignment region and the branch electrodes in the fourth liquid crystal alignment region are symmetrical with respect to the transverse electrode, and slits between the branch electrodes in the second liquid crystal alignment region and the branch electrodes in the third liquid crystal alignment region are symmetrical with respect to the transverse electrode.
Further, the branch electrode in the first liquid crystal alignment region and the branch electrode in the fourth liquid crystal alignment region are symmetrical with respect to the transverse electrode, and the branch electrode in the second liquid crystal alignment region and the branch electrode in the third liquid crystal alignment region are symmetrical with respect to the transverse electrode; slits between the branch electrodes in the first liquid crystal alignment region and the branch electrodes in the second liquid crystal alignment region are symmetrical with respect to the longitudinal electrode, and slits between the branch electrodes in the third liquid crystal alignment region and the branch electrodes in the fourth liquid crystal alignment region are symmetrical with respect to the longitudinal electrode.
Further, the slit between the branch electrode in the first liquid crystal alignment region and the branch electrode in the fourth liquid crystal alignment region is symmetrical with respect to the lateral electrode, and the slit between the branch electrode in the second liquid crystal alignment region and the branch electrode in the third liquid crystal alignment region is symmetrical with respect to the lateral electrode; slits between the branch electrodes in the first liquid crystal alignment region and the branch electrodes in the second liquid crystal alignment region are symmetrical with respect to the longitudinal electrode, and slits between the branch electrodes in the third liquid crystal alignment region and the branch electrodes in the fourth liquid crystal alignment region are symmetrical with respect to the longitudinal electrode.
The beneficial effects are that: according to the pixel electrode provided by the embodiment of the invention, the branch electrodes are arranged in a staggered manner, so that an asymmetric electric field is formed at two sides of the main electrode, liquid crystal molecules near the main electrode are favorably distributed along the azimuth angles of the branch electrodes, dark lines are improved, the penetration rate is increased, the picture quality is improved, and the power consumption is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, 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 a basic structure of a pixel electrode according to a first embodiment of the present invention.
Fig. 2 is a schematic diagram of a basic structure of a pixel electrode according to a second embodiment of the present invention.
Fig. 3 is a schematic diagram of a basic structure of a pixel electrode according to a third embodiment of the present invention.
Fig. 4 is a schematic diagram of a basic structure of a pixel electrode according to a fourth embodiment of the present invention.
Fig. 5 is a schematic diagram of a basic structure of a pixel electrode according to a fifth embodiment of the present invention.
Fig. 6 is a schematic diagram of a basic structure of a liquid crystal display panel according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
As shown in fig. 1, a basic structural schematic diagram of a pixel electrode according to a first embodiment of the present invention is provided, from which each component of the present invention, and a relative positional relationship between each component, can be seen, where the pixel electrode includes a main electrode 101, a branch electrode 102, and an edge electrode 103; the main electrode 101 is divided into a transverse electrode 1011 and a longitudinal electrode 1012 perpendicular to the transverse electrode 1011, and both ends of the transverse electrode 1011 and the longitudinal electrode 1012 are connected to the edge electrode 103; one end of the branch electrode 102 is connected with the main electrode 101, and the other end is connected with the edge electrode 103; the transverse electrode 1011 and the longitudinal electrode 1012 divide the region corresponding to the pixel electrode into four liquid crystal alignment regions, and the branch electrodes are located in the liquid crystal alignment regions; the lateral electrode 1011 and the longitudinal electrode 1012 are straight and have no bending structure, and the connection points of the branch electrodes and the main electrode 101 in at least two liquid crystal alignment regions are staggered.
It should be noted that, in the pixel electrode provided in the embodiment of the present invention, the main electrode 101 is in a straight stripe shape and does not have a bending structure, so that liquid crystal molecules (not shown in the figure) in the area corresponding to the main electrode 101 can be stably displayed, and in order to improve dark fringes near the main electrode 101, the connection position of the branch electrode 102 and the main electrode 101 is arranged in a staggered manner in the embodiment, an asymmetric electric field can be formed at two sides of the main electrode 101, so that the liquid crystal molecules near the main electrode 101 can better rotate according to the azimuth angle of the branch electrode 102, thereby improving the transmittance, improving the picture quality and reducing the power consumption.
The slit 104 is formed between the branch electrodes, and the width of the slit 104 may be equal to or different from the width of the branch electrode. In some embodiments, the branch electrodes may be disposed at equal intervals or may be disposed at unequal intervals. The case where the slit has a width equal to the width of the branch electrode and the branch electrodes are disposed at equal intervals will be described below as an example.
The offset means that the projected portions of the terminals of two adjacent branch electrodes on the main electrode 101, which fall on the main electrode 101, overlap or do not overlap.
In one embodiment, the four liquid crystal alignment regions include a first liquid crystal alignment region 105, a second liquid crystal alignment region 106, a third liquid crystal alignment region 107, and a fourth liquid crystal alignment region 108, the branch electrode 102 in the first liquid crystal alignment region 105 is parallel to the branch electrode in the third liquid crystal alignment region 107, and the branch electrode in the second liquid crystal alignment region 106 is parallel to the branch electrode in the fourth liquid crystal alignment region 108.
In one embodiment, the sum of the included angle of the branch electrode 102 in the first liquid crystal alignment region 105 and the included angle of the branch electrode in the second liquid crystal alignment region 106 is 180 degrees; the sum of the included angle of the branch electrode in the third liquid crystal alignment region 107 and the included angle of the branch electrode in the fourth liquid crystal alignment region 108 is 180 degrees.
In the first embodiment, the pixel electrodes are configured to be symmetrically distributed in the vertical direction, the branch electrodes in the horizontal direction are staggered, the staggered distance is X, and the range of the staggered distance X is greater than 0 and less than the sum of the width of the branch electrode and the width of the slit. If the width of the slit is equal to the width of the branch electrode, the dislocation distance X ranges from more than 0 to less than twice the width of the slit.
As shown in fig. 1, taking the case that the offset distance X is equal to the width of the slit, the branch electrode 102 in the first liquid crystal alignment area 105 and the branch electrode in the second liquid crystal alignment area 106 are symmetrical with respect to the longitudinal electrode 1012, and the branch electrode in the third liquid crystal alignment area 107 and the branch electrode in the fourth liquid crystal alignment area 108 are symmetrical with respect to the longitudinal electrode 1012; slits between the branch electrode 102 in the first liquid crystal alignment region 105 and the branch electrode in the fourth liquid crystal alignment region 108 are symmetrical with respect to the lateral electrode 1011, and slits between the branch electrode in the second liquid crystal alignment region 106 and the branch electrode in the third liquid crystal alignment region 107 are symmetrical with respect to the lateral electrode 1011.
As shown in fig. 2, in the second embodiment of the present invention, the pixel electrode is configured to be symmetrically distributed in the horizontal direction, and the branch electrodes are staggered in the vertical direction, where the dislocation distance is Y, and the range of the dislocation distance Y is greater than 0 and less than the sum of the width of the branch electrode and the width of the slit. If the width of the slit is equal to the width of the branch electrode, the dislocation distance Y ranges from more than 0 to less than twice the width of the slit.
Taking the offset distance Y being equal to the width of the slit as an example, the branch electrode 102 in the first liquid crystal alignment region 105 and the branch electrode in the fourth liquid crystal alignment region 108 are symmetrical with respect to the lateral electrode 1011, and the branch electrode in the second liquid crystal alignment region 106 and the branch electrode in the third liquid crystal alignment region 107 are symmetrical with respect to the lateral electrode 1011; slits between the branch electrode 102 in the first liquid crystal alignment region 105 and the branch electrode in the second liquid crystal alignment region 106 are symmetrical with respect to the longitudinal electrode 1012, and slits between the branch electrode in the third liquid crystal alignment region 107 and the branch electrode in the fourth liquid crystal alignment region 108 are symmetrical with respect to the longitudinal electrode 1012.
As shown in fig. 3, in the third embodiment of the present invention, the pixel electrode is configured to have a structure in which the branch electrodes are arranged in a horizontal direction in a staggered manner, the staggered distance is X, and the range of the staggered distance X is greater than 0 and less than the sum of the width of the branch electrode and the width of the slit; the branch electrodes in the vertical direction are distributed in a staggered mode, the staggered distance is Y, and the range of the staggered distance Y is larger than 0 and smaller than the sum of the width of the branch electrodes and the width of the slit. If the width of the slit is equal to the width of the branch electrode, the range of the dislocation distance X is more than 0 and less than twice the width of the slit, and the range of the dislocation distance Y is more than 0 and less than twice the width of the slit.
Taking the example that the offset distance X is equal to the width of the slit and the offset distance Y is equal to the width of the slit, the slit between the branch electrode 102 in the first liquid crystal alignment region 105 and the branch electrode in the fourth liquid crystal alignment region 108 is symmetrical with respect to the lateral electrode 1011, and the slit between the branch electrode in the second liquid crystal alignment region 106 and the branch electrode in the third liquid crystal alignment region 107 is symmetrical with respect to the lateral electrode 1011; slits between the branch electrode 102 in the first liquid crystal alignment region 105 and the branch electrode in the second liquid crystal alignment region 106 are symmetrical with respect to the longitudinal electrode 1012, and slits between the branch electrode in the third liquid crystal alignment region 107 and the branch electrode in the fourth liquid crystal alignment region 108 are symmetrical with respect to the longitudinal electrode 1012.
As shown in fig. 4, in the fourth embodiment of the present invention, the branch electrodes in at least two liquid crystal alignment regions are set to have different widths, so as to form an asymmetric electric field, and improve dark fringes near the trunk electrode.
Specifically, the branch electrode 102 in the first liquid crystal alignment region 105 and the branch electrode in the fourth liquid crystal alignment region 108 are symmetrical with respect to the lateral electrode 1011, and the branch electrode 109 in the second liquid crystal alignment region 106 and the branch electrode in the third liquid crystal alignment region 107 are symmetrical with respect to the lateral electrode 1011; the width of the branch electrode 102 in the first liquid crystal alignment region 105 is larger than the width of the branch electrode 109 in the second liquid crystal alignment region 106. Wherein the projection of the end of the branch electrode 102 on the longitudinal electrode 1012 overlaps with the projection of the end of the branch electrode 109 on the longitudinal electrode 1012, that is, the projection of the end of the branch electrode 102 on the longitudinal electrode 1012 is offset from the projection of the end of the branch electrode 109 on the longitudinal electrode 1012 by Y, and the offset distance Y is in the range of more than 0 and less than the sum of the width of the branch electrode 102 and the width of the slit 104.
In one embodiment, the sum of the width of the branch electrodes and the width of the slit in the different liquid crystal alignment regions is a constant value. Specifically, the sum of the width of the branch electrode 102 and the width of the slit 104 in the first liquid crystal alignment region 105 is equal to the sum of the width of the branch electrode 109 and the width of the slit 110 in the second liquid crystal alignment region 106.
As shown in fig. 5, a basic structure of a pixel electrode according to a fifth embodiment of the present invention is shown, where the pixel electrode is symmetrically distributed in a vertical direction and is staggered in a horizontal direction. Specifically, the branch electrode 102 in the first liquid crystal alignment region 105 and the branch electrode in the second liquid crystal alignment region 106 are symmetrical with respect to the longitudinal electrode 1012, and the branch electrode in the third liquid crystal alignment region 107 and the branch electrode in the fourth liquid crystal alignment region 108 are symmetrical with respect to the longitudinal electrode 1012; the width of the branch electrode 102 in the first liquid crystal alignment region 105 is larger than the width of the branch electrode in the fourth liquid crystal alignment region 108. The projection of the end of the branch electrode 102 in the first liquid crystal alignment area 105 on the lateral electrode 1011 and the projection of the end of the branch electrode in the fourth liquid crystal alignment area 108 on the lateral electrode 1011 are offset by X, and the offset distance X is in the range of more than 0 and less than the sum of the width of the branch electrode 102 in the first liquid crystal alignment area 105 and the width of the slit 104.
In one embodiment, the pixel electrodes may be further arranged to be offset in a horizontal direction and offset in a vertical direction. Specifically, the branch electrode in the first liquid crystal alignment region and the branch electrode in the third liquid crystal alignment region are symmetrical about the intersection point of the transverse electrode and the longitudinal electrode, and the branch electrode in the second liquid crystal alignment region and the branch electrode in the fourth liquid crystal alignment region are symmetrical about the intersection point of the transverse electrode and the longitudinal electrode; the width of the branch electrode in the first liquid crystal alignment region is greater than the width of the branch electrode in the second liquid crystal alignment region, and the specific dislocation distance is not described here again.
As shown in fig. 6, a basic structure diagram of a liquid crystal display panel according to an embodiment of the present invention includes a first substrate 201 and a second substrate 202 disposed opposite to each other, and a liquid crystal molecular layer 203 disposed between the first substrate 201 and the second substrate 202; a plurality of pixel electrodes (not shown) are disposed on a side of the first substrate 201 facing the second substrate 202, and a common electrode (not shown) is disposed on a side of the second substrate 202 facing the first substrate 201, wherein each pixel electrode has a structure as in the first, second, third, or fourth embodiments
The fourth embodiment, or the fifth embodiment, will not be described herein.
In summary, according to the pixel electrode provided by the embodiment of the invention, the branch electrodes are arranged in a staggered manner, so that an asymmetric electric field is formed at two sides of the main electrode, which is beneficial to the arrangement of liquid crystal molecules near the main electrode along the azimuth angle of the branch electrodes, improves dark lines, increases the transmittance, improves the picture quality, and reduces the power consumption.
The pixel electrode and the liquid crystal display panel provided by the embodiment of the invention are described in detail. It should be understood that the exemplary embodiments described herein are to be considered merely descriptive for aiding in the understanding of the method of the present invention and its core concepts and not for limiting the invention.
Claims (4)
1. The pixel electrode is characterized by comprising a main electrode, a branch electrode and an edge electrode; the main electrode is divided into a transverse electrode and a longitudinal electrode perpendicular to the transverse electrode, and both ends of the transverse electrode and the longitudinal electrode are connected with the edge electrode; one end of the branch electrode is connected with the main electrode, and the other end of the branch electrode is connected with the edge electrode;
the transverse electrode and the longitudinal electrode divide the area corresponding to the pixel electrode into four liquid crystal alignment areas, and the branch electrodes are positioned in the liquid crystal alignment areas;
the transverse electrode and the longitudinal electrode are in a straight strip shape and do not have a bending structure, the connection parts of the branch electrodes and the main electrode in at least two liquid crystal alignment areas are staggered, and the widths of the branch electrodes in at least two liquid crystal alignment areas are different;
the four liquid crystal alignment areas comprise a first liquid crystal alignment area, a second liquid crystal alignment area, a third liquid crystal alignment area and a fourth liquid crystal alignment area, wherein a branch electrode in the first liquid crystal alignment area is parallel to a branch electrode in the third liquid crystal alignment area, and a branch electrode in the second liquid crystal alignment area is parallel to a branch electrode in the fourth liquid crystal alignment area;
the branch electrode in the first liquid crystal alignment area and the branch electrode in the second liquid crystal alignment area are symmetrical about the longitudinal electrode, and the branch electrode in the third liquid crystal alignment area and the branch electrode in the fourth liquid crystal alignment area are symmetrical about the longitudinal electrode; slits between the branch electrodes in the first liquid crystal alignment region and the branch electrodes in the fourth liquid crystal alignment region are symmetrical with respect to the transverse electrode, and slits between the branch electrodes in the second liquid crystal alignment region and the branch electrodes in the third liquid crystal alignment region are symmetrical with respect to the transverse electrode.
2. The pixel electrode is characterized by comprising a main electrode, a branch electrode and an edge electrode; the main electrode is divided into a transverse electrode and a longitudinal electrode perpendicular to the transverse electrode, and both ends of the transverse electrode and the longitudinal electrode are connected with the edge electrode; one end of the branch electrode is connected with the main electrode, and the other end of the branch electrode is connected with the edge electrode;
the transverse electrode and the longitudinal electrode divide the area corresponding to the pixel electrode into four liquid crystal alignment areas, and the branch electrodes are positioned in the liquid crystal alignment areas;
the transverse electrode and the longitudinal electrode are in a straight strip shape and do not have a bending structure, the connection parts of the branch electrodes and the main electrode in at least two liquid crystal alignment areas are staggered, and the widths of the branch electrodes in at least two liquid crystal alignment areas are different;
the four liquid crystal alignment areas comprise a first liquid crystal alignment area, a second liquid crystal alignment area, a third liquid crystal alignment area and a fourth liquid crystal alignment area, wherein a branch electrode in the first liquid crystal alignment area is parallel to a branch electrode in the third liquid crystal alignment area, and a branch electrode in the second liquid crystal alignment area is parallel to a branch electrode in the fourth liquid crystal alignment area;
the branch electrode in the first liquid crystal alignment area and the branch electrode in the fourth liquid crystal alignment area are symmetrical with respect to the transverse electrode, and the branch electrode in the second liquid crystal alignment area and the branch electrode in the third liquid crystal alignment area are symmetrical with respect to the transverse electrode; slits between the branch electrodes in the first liquid crystal alignment region and the branch electrodes in the second liquid crystal alignment region are symmetrical with respect to the longitudinal electrode, and slits between the branch electrodes in the third liquid crystal alignment region and the branch electrodes in the fourth liquid crystal alignment region are symmetrical with respect to the longitudinal electrode.
3. The pixel electrode is characterized by comprising a main electrode, a branch electrode and an edge electrode; the main electrode is divided into a transverse electrode and a longitudinal electrode perpendicular to the transverse electrode, and both ends of the transverse electrode and the longitudinal electrode are connected with the edge electrode; one end of the branch electrode is connected with the main electrode, and the other end of the branch electrode is connected with the edge electrode;
the transverse electrode and the longitudinal electrode divide the area corresponding to the pixel electrode into four liquid crystal alignment areas, and the branch electrodes are positioned in the liquid crystal alignment areas;
the transverse electrode and the longitudinal electrode are in a straight strip shape and do not have a bending structure, the connection parts of the branch electrodes and the main electrode in at least two liquid crystal alignment areas are staggered, and the widths of the branch electrodes in at least two liquid crystal alignment areas are different;
the four liquid crystal alignment areas comprise a first liquid crystal alignment area, a second liquid crystal alignment area, a third liquid crystal alignment area and a fourth liquid crystal alignment area, wherein a branch electrode in the first liquid crystal alignment area is parallel to a branch electrode in the third liquid crystal alignment area, and a branch electrode in the second liquid crystal alignment area is parallel to a branch electrode in the fourth liquid crystal alignment area;
slits between the branch electrodes in the first liquid crystal alignment region and the branch electrodes in the fourth liquid crystal alignment region are symmetrical with respect to the transverse electrode, and slits between the branch electrodes in the second liquid crystal alignment region and the branch electrodes in the third liquid crystal alignment region are symmetrical with respect to the transverse electrode; slits between the branch electrodes in the first liquid crystal alignment region and the branch electrodes in the second liquid crystal alignment region are symmetrical with respect to the longitudinal electrode, and slits between the branch electrodes in the third liquid crystal alignment region and the branch electrodes in the fourth liquid crystal alignment region are symmetrical with respect to the longitudinal electrode.
4. A liquid crystal display panel, comprising a first substrate and a second substrate arranged opposite to each other, and a liquid crystal molecular layer arranged between the first substrate and the second substrate;
a side of the first substrate facing the second substrate is provided with a plurality of pixel electrodes as claimed in any one of claims 1 to 3, and a side of the second substrate facing the first substrate is provided with a common electrode.
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