CN114137767A - Pixel electrode structure and liquid crystal display panel - Google Patents
Pixel electrode structure and liquid crystal display panel Download PDFInfo
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- CN114137767A CN114137767A CN202111482372.9A CN202111482372A CN114137767A CN 114137767 A CN114137767 A CN 114137767A CN 202111482372 A CN202111482372 A CN 202111482372A CN 114137767 A CN114137767 A CN 114137767A
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
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- 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
Abstract
The invention provides a pixel electrode structure and a liquid crystal display panel, wherein an arched pixel electrode can rotate and horizontally move, so that the inclination angle of the pixel electrode can be adjusted according to the product specification, the direction of an electric field for driving liquid crystal molecules to rotate and the stressed torque when the liquid crystal molecules rotate are changed, the rotation speed of the liquid crystal molecules is accelerated, the response time of the liquid crystal display panel is further influenced, and meanwhile, the arched pixel electrode structure can reduce the proportion of vertical pixel electrodes and the disordered area of the electric field, so that the dark area of liquid crystal is reduced, and the backlight penetration rate is improved; when the angle of the pixel electrode is larger than 15 degrees, the relative distance between adjacent arc electrodes can be increased, the requirement on the process precision is low, the exposure process with low precision can be compatible, the risk of exposure, development and crosslinking of the process can be reduced, and the display quality of the pixel is improved.
Description
Technical Field
The invention relates to the technical field of display, in particular to a pixel electrode structure and a liquid crystal display panel.
Background
With the development of 5G communication technology, VR (Virtual Reality) technology is widely used, and has corresponding products in the fields of education, art, medical treatment, entertainment, etc., which affects the development of various industries. The VR product is a high-tech product, and the adopted display panel has a higher pixel density, usually 1000PPI, compared with the mobile phone, which means that the pixel unit size in the VR display panel is smaller, so the pixel electrode (pixel ITO) design mode in the mobile phone display panel cannot be adopted; response time and penetration: the response time is in positive correlation with the inclination angle of the pixel electrode, and along with the increase of the inclination angle of the pixel electrode, the response time is gradually reduced, and the rotation of the liquid crystal molecules is accelerated. The transmittance is increased along with the increase of the inclination angle of the pixel electrode, and the transmittance is in a trend of increasing firstly and then decreasing. Therefore, in general, the inclination angle of the pixel electrode is selected to be between 5 ° and 35 ° (which can be selected according to product specifications), but the inclination angle of the pixel electrode is not adjustable in the existing design; in addition, when the inclination angle of the pixel electrode is larger than 15 °, the pixel electrode cannot be exposed. The prior pixel electrode design has a large dark area at the cross-linking position of the pixel electrode, which is caused by the fact that the direction of the electric field is parallel to the polarity direction of the liquid crystal molecules. As shown in the following simulation effect diagram, a dark region appears on the left side of the pixel.
In summary, a new pixel electrode structure and a liquid crystal display panel are needed, which have solved the problem of non-adjustable tilt angle of the pixel electrode ITO in the above technical problems, and when the tilt angle of the pixel electrode ITO is greater than 15 °, the pixel electrode (pixel ITO) cannot be exposed.
Disclosure of Invention
The application provides a pixel electrode structure and a liquid crystal display panel according to the prior art, which can solve the problem that the inclination angle of the pixel electrode ITO in the prior art is not adjustable, and the problem that the pixel electrode (pixel ITO) cannot be exposed when the inclination angle of the pixel electrode ITO is larger than 15 degrees.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
the embodiment of the invention provides a pixel electrode structure, which comprises a first electrode and a second electrode which are alternately arranged, wherein two opposite sides of the second electrode are partially overlapped with the first electrode, the first electrode is linear, and the second electrode is in a bow shape.
According to a preferred embodiment of the present invention, the second electrode having a bow shape includes a connection portion, a first vertical portion, a first concave portion, a second vertical portion, a second concave portion, a third vertical portion, and an inclined portion, which are connected end to end in this order.
According to a preferred embodiment of the present invention, the bottom of each of the first and second concave portions partially overlaps one of the first electrodes; wherein the first vertical portion, the second vertical portion, and the third vertical portion each partially overlap with the other of the first electrodes.
According to a preferred embodiment of the present invention, the first recess and the second recess have the same structure, and both the first recess and the second recess have a U-shaped structure and a V-shaped structure.
According to a preferred embodiment of the present invention, the side surface inclination angle of the first concave portion and the second concave portion is 5 ° to 35 °, and a distance between a bottom angle of the first concave portion of one of the second electrodes and a top angle of the first concave portion of another adjacent one of the second electrodes is a pitch of adjacent pixel electrodes.
According to a preferred embodiment of the present invention, the entire line widths of the second electrodes are the same, and the line width of the second electrodes is smaller than the line width of the first electrodes; wherein, the linewidth of first electrode is 6um to 25 um.
According to a preferred embodiment of the present invention, the first electrode and the second electrode are disposed in the same layer, and the adjacent first electrode and the adjacent second electrode are electrically connected at an overlapping position; the first electrode and/or the second electrode are/is electrically connected with the drain electrode of a thin film transistor.
According to a preferred embodiment of the present invention, the first electrode and the second electrode are disposed in different layers, the adjacent first electrode and the adjacent second electrode are disposed in an insulating manner at an overlapping position, and both the first electrode and the second electrode are individually electrically connected to a drain of a thin film transistor.
According to a preferred embodiment of the present invention, the first electrode and the second electrode are both transparent ITO electrodes.
According to the pixel electrode structure of the above embodiment, the invention further provides a liquid crystal display panel, including the pixel electrode structure of the above embodiment; the pixel electrode structure comprises a first electrode and a second electrode which are alternately arranged, wherein two opposite sides of the second electrode are partially overlapped with the first electrode, the first electrode is linear, and the second electrode is in a bow shape; the liquid crystal display panel is provided with data lines corresponding to the first electrodes in an overlapping mode, and scanning lines are arranged at two ends, perpendicular to the first electrodes and the second electrodes, of the liquid crystal display panel.
The invention has the beneficial effects that: the embodiment of the invention provides a pixel electrode structure and a liquid crystal display panel. The arched pixel electrode structure is suitable for a high-resolution Virtual Reality (VR) product, the arched pixel electrode can rotate and horizontally move, so that the inclination angle of the pixel electrode can be adjusted according to the product specification, the direction of an electric field for driving liquid crystal molecules to rotate and the force moment of the liquid crystal molecules during rotation are changed, the rotation speed of the liquid crystal molecules is accelerated, the response time of a liquid crystal display panel is further influenced, meanwhile, the arched pixel electrode structure can reduce the proportion of vertical pixel electrodes and the disordered area of the electric field, the dark area of liquid crystal is further reduced, and the penetration rate of backlight is improved; when the angle of the pixel electrode is larger than 15 degrees, the relative distance between adjacent arc electrodes can be increased, the requirement on the precision of the process is low, the exposure process with low precision can be compatible, the risk of exposure, development and crosslinking of the process can be reduced, and the display quality of the pixel is improved.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a pixel electrode structure in the prior art.
Fig. 2 is a schematic diagram of a simulation effect of the pixel electrode structure in fig. 1.
Fig. 3 is a schematic structural diagram of a pixel electrode structure according to the present invention.
Fig. 4 is a schematic diagram of the second electrode structure in fig. 3.
Fig. 5 is a schematic diagram illustrating a simulation effect of the pixel electrode structure in fig. 3.
Fig. 6 is a schematic structural diagram of another pixel electrode structure according to the present invention.
Fig. 7 is a schematic diagram of a film structure of a liquid crystal display panel according to the present invention.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings that illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], are only referring to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention. In the drawings, elements having similar structures are denoted by the same reference numerals, and broken lines in the drawings indicate that the elements do not exist in the structures, and only the shapes and positions of the structures are explained.
With the development of 5G technology, Virtual Reality (VR) technology, etc. being widely applied, the display, as a key device of VR devices, is greatly different from the conventional mobile phone display screen, mainly embodied in high resolution of 800+ PPI (resolution), generally at 1000PPI (resolution), and the resolution of the mobile phone screen is 400PPI (fhd). Compared with a mobile phone screen, VR pixels are smaller, the pixel electrode design of a mobile phone cannot be used on VR equipment, a new pixel electrode ITO design needs to be used, the LCD VR screen technology in the industry at present is a Japanese JDI & Sharpe design, a JDI material wooden comb type design, the Sharpe adopts a diamond design, and the penetration rate and the response time are both better improved. As shown in fig. 1, the comb-shaped pixel electrode 10 includes a connection portion 11, a main electrode 12, a branch electrode 13-1, a branch electrode 13-2, and a branch electrode 13-3, which are located on one side of the main electrode 12, wherein the response time of the pixel is positively correlated with the inclination angle of the pixel electrode, the response time is gradually reduced with the increase of the inclination angle of the pixel electrode, the rotation of the liquid crystal molecules is accelerated, and the transmittance is increased with the increase of the inclination angle of the pixel electrode and then decreased. In general, the inclination angle of the pixel electrode is selected to be between 5 ° and 35 ° (which can be selected according to product specifications), but the inclination angle of the pixel electrode is not adjustable in the existing design; in addition, when the inclination angle of the pixel electrode is greater than 15 °, the pixel electrode cannot be exposed, a dark region occurs at the cross-linking position of the pixel electrode, which is caused by the fact that the electric field direction is parallel to the polarity direction of the liquid crystal molecules, and a dark region 14 occurs at the left side of the pixel as shown in the simulation effect fig. 2.
In order to solve the technical problem, the pixel electrode in the invention adopts an arc-shaped design, and the arc-shaped electrode can rotate and horizontally move, so that the inclination angle of the pixel electrode can be adjusted according to the product specification, thereby taking the penetration rate and the response time into consideration; when the angle of the pixel electrode is larger than 15 degrees, the relative distance between adjacent arc electrodes can be increased, the requirement on the precision of the process is low, the exposure process with low precision can be compatible, the risk of exposure, development and crosslinking of the process can be reduced, and the display quality of the pixel is improved.
As shown in fig. 3 and 4, an embodiment of the invention provides a schematic diagram of a pixel electrode structure 100, where the pixel electrode structure 100 includes a first electrode 101 and a second electrode 102 that are alternately arranged, two opposite sides of the second electrode 102 are partially overlapped with the first electrode 101, the first electrode 101 is linear, and the second electrode 102 is bow-shaped. The first electrode 101 and the second electrode 102 are both preferably transparent ITO electrodes.
The second electrode 102 of the zigzag shape includes a connection portion 1021, a first vertical portion 1022, a first concave portion 1023, a second vertical portion 1024, a second concave portion 1025, a third vertical portion 1026, and an inclined portion 1027 connected end to end in this order. The bottoms of the first concave portion 1023 and the second concave portion 1025 are partially overlapped with one of the first electrodes 101; wherein the first vertical portion 1022, the second vertical portion 1024 and the third vertical portion 1026 are all partially overlapped with the other first electrode 101.
The first concave portion 1023 and the second concave portion 1025 of the present embodiment have the same structure, the first concave portion 1023 and the second concave portion 1025 are both U-shaped, and the first concave portion 1023 and the second concave portion 1025 in other embodiments may have V-shaped structures.
The overall line width of the second electrode 102 is the same, and the line width of the second electrode 102 is smaller than the line width of the first electrode 101; wherein, the line width of the first electrode 101 is 6um to 25 um. The side surface inclination angle beta of the first concave portion 1023 and the second concave portion 1025 is 5-35 degrees, and the distance d between the bottom angle of the first concave portion 1023 of one second electrode 102 and the top angle of the first concave portion 1023 of the other adjacent second electrode 102 is the pitch of the adjacent pixel electrodes, so that the pixel electrode arrangement density is favorably improved, and the resolution of the corresponding liquid crystal panel is improved.
The response time is in positive correlation with the inclination angle of the pixel electrode, and along with the increase of the inclination angle of the pixel electrode, the response time is gradually reduced, and the rotation of liquid crystal molecules is accelerated; the transmittance tends to increase and then decrease as the inclination angle of the pixel electrode increases. The pixel electrode structure adopts an arched pixel electrode design, and is suitable for VR products with high resolution (PPI); secondly, the inclination angle of the arched pixel electrode can be adjusted according to the actual specification of the product, so as to change the direction of an electric field for driving the liquid crystal molecules to rotate and the stressed moment when the liquid crystal molecules rotate, and the moment can change the rotating speed of the liquid crystal molecules, thereby influencing the response time of the liquid crystal display panel. Thirdly, the arched pixel electrode can reduce the proportion of ITO of the vertical pixel and the disordered area of an electric field, so that the dark area of liquid crystal is reduced, and the penetration rate is improved; and the arched pixel electrode has small requirement on the process precision, can be compatible with the exposure process with low precision, and refers to the simulation effect in fig. 5.
In the embodiment, the first electrode 101 and the second electrode 102 are arranged in different layers, the adjacent first electrode 101 and the second electrode 102 are arranged in an insulating manner at the overlapping position, the first electrode 101 and the second electrode 102 are both independently and electrically connected with the drain of a thin film transistor, and the first electrode 101 and the second electrode 102 are independently controlled, so that the charging rate and the refresh rate of the first electrode 101 and the second electrode 102 can be improved.
In another embodiment, the first electrode 101 and the second electrode 102 are disposed in the same layer, and the adjacent first electrode 101 and second electrode 102 are electrically connected at the overlapping position; the first electrode 101 and/or the second electrode 102 are electrically connected to a drain of a thin film transistor.
According to the pixel electrode structure of the above embodiment, as shown in fig. 6, the present invention further provides a liquid crystal display panel, including the pixel electrode structure 100 of the above embodiment; the pixel electrode structure 100 includes a first electrode 101 and a second electrode 102 alternately arranged, wherein two opposite sides of the second electrode 102 are partially overlapped with the first electrode 101, the first electrode 101 is linear, and the second electrode 102 is bow-shaped; the liquid crystal display panel is provided with data lines 103 in an overlapping manner corresponding to the first electrodes 101, and scanning lines 104 (dotted line portions) are provided at two ends of the liquid crystal display panel, which are perpendicular to the first electrodes 101 and the second electrodes 102, and the scanning lines 104 (dotted line portions) also cover the corresponding driving thin film transistors 105. The data line 103 of the present embodiment includes a vertical portion 1032 and a bending portion 1031 connected to the vertical portion 1032, the bending portion 1031 and the second electrode 102 adjacent thereto share 1 thin film transistor 105, the data line 103 is electrically connected to the source electrode 1052 of the thin film transistor 105, and the second electrode 102 is electrically connected to the drain electrode 1051 of the thin film transistor. The first electrode 101 is electrically connected to the thin film transistor 106.
In addition, the pixel electrode structure 100 of the present embodiment is a pixel domain of a liquid crystal display panel, the pixel electrode structure 100 includes 4 first electrodes 101 and 3 second electrodes 102 that are alternately arranged, and 4 data lines 103 are overlapped above the 4 first electrodes 101, and are also two scanning lines 104 perpendicular to the arrangement direction of the first electrodes 101 and the second electrodes 102, and the two scanning lines 104 are respectively located at two sides of the pixel electrode structure.
As shown in fig. 7, the present invention further provides a film layer diagram of a liquid crystal display panel 200 corresponding to the pixel electrode structure. The liquid crystal display panel 200 includes an array substrate, a color filter substrate, and a liquid crystal layer 211 located between the array substrate and the color filter substrate, wherein the liquid crystal layer 211 is filled with liquid crystals 212. The array substrate includes a first substrate 201, a light-shielding layer 102 disposed on the first substrate 201, a buffer layer 203 disposed on the first substrate 201 and covering the light-shielding layer 102, a polysilicon layer 204 disposed on the buffer layer 203 and corresponding to the light-shielding layer 202, a gate 205 disposed on the polysilicon layer 204 and an interlayer insulating layer 206 covering the gate 205, a source 207 and a drain 208 disposed on the interlayer insulating layer 206, a planarization layer 209 disposed on the source 207 and the drain 208, and a pixel electrode layer 210 disposed on the planarization layer 209, wherein the pixel electrode layer 210 includes a plurality of pixel electrode structures 100 in fig. 6.
The color film substrate comprises a second substrate 231, a color film layer 232 located on the second substrate 231 and a common electrode layer 233 located on the color film layer 232, wherein the color film layer 232 comprises a red color resistance layer 2321, a green color resistance layer 2322 and a blue color resistance layer 2323, and a black matrix 2334 is arranged between every two color resistance layers of the red color resistance layer 2321, the green color resistance layer 2322 and the blue color resistance layer 2323.
The embodiment of the invention provides a pixel electrode structure and a liquid crystal display panel. The arched pixel electrode structure is suitable for a high-resolution Virtual Reality (VR) product, the arched pixel electrode can rotate and horizontally move, so that the inclination angle of the pixel electrode can be adjusted according to the product specification, the direction of an electric field for driving liquid crystal molecules to rotate and the force moment of the liquid crystal molecules during rotation are changed, the rotation speed of the liquid crystal molecules is accelerated, the response time of a liquid crystal display panel is further influenced, meanwhile, the arched pixel electrode structure can reduce the proportion of vertical pixel electrodes and the disordered area of the electric field, the dark area of liquid crystal is further reduced, and the penetration rate of backlight is improved; when the angle of the pixel electrode is larger than 15 degrees, the relative distance between adjacent arc electrodes can be increased, the requirement on the precision of the process is low, the exposure process with low precision can be compatible, the risk of exposure, development and crosslinking of the process can be reduced, and the display quality of the pixel is improved.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (10)
1. A pixel electrode structure is characterized by comprising a first electrode and a second electrode which are alternately arranged, wherein two opposite sides of the second electrode are partially overlapped with the first electrode, the first electrode is linear, and the second electrode is in a bow shape.
2. The pixel electrode structure according to claim 1, wherein the second electrode having a zigzag shape comprises a connection portion, a first vertical portion, a first concave portion, a second vertical portion, a second concave portion, a third vertical portion, and an inclined portion, which are connected end to end in this order.
3. The pixel electrode structure according to claim 2, wherein the bottom of each of the first and second concave portions partially overlaps with one of the first electrodes; wherein the first vertical portion, the second vertical portion, and the third vertical portion each partially overlap with the other of the first electrodes.
4. The pixel electrode structure according to claim 3, wherein the first and second concave portions have the same structure, and the first and second concave portions each have a U-shaped structure and a V-shaped structure.
5. The pixel electrode structure according to claim 3, wherein the side surface inclination angles of the first and second concave portions are each 5 ° to 35 °, and a distance between a bottom angle of the first concave portion of one of the second electrodes and a top angle of the first concave portion of another adjacent one of the second electrodes is a pitch of the adjacent pixel electrodes.
6. The pixel electrode structure according to claim 1, wherein the overall line width of the second electrodes is the same, and the line width of the second electrodes is smaller than the line width of the first electrodes; wherein, the linewidth of first electrode is 6um to 25 um.
7. The pixel electrode structure according to claim 1, wherein the first electrode and the second electrode are disposed in the same layer, and the adjacent first electrode and the adjacent second electrode are electrically connected at an overlapping position; the first electrode and/or the second electrode are/is electrically connected with the drain electrode of a thin film transistor.
8. The pixel electrode structure according to claim 1, wherein the first electrode and the second electrode are disposed in different layers, the adjacent first electrode and the adjacent second electrode are disposed in an insulating manner at the overlapping position, and both the first electrode and the second electrode are individually electrically connected to a drain electrode of a thin film transistor.
9. The pixel electrode structure according to claim 1, wherein the first electrode and the second electrode are both transparent ITO electrodes.
10. A liquid crystal display panel comprising the pixel electrode structure according to any one of claims 1 to 9; the pixel electrode structure comprises a first electrode and a second electrode which are alternately arranged, wherein two opposite sides of the second electrode are partially overlapped with the first electrode, the first electrode is linear, and the second electrode is in a bow shape; the liquid crystal display panel is provided with data lines corresponding to the first electrodes in an overlapping mode, and scanning lines are arranged at two ends, perpendicular to the first electrodes and the second electrodes, of the liquid crystal display panel.
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