WO2017015986A1 - 一种像素单元 - Google Patents

一种像素单元 Download PDF

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Publication number
WO2017015986A1
WO2017015986A1 PCT/CN2015/086377 CN2015086377W WO2017015986A1 WO 2017015986 A1 WO2017015986 A1 WO 2017015986A1 CN 2015086377 W CN2015086377 W CN 2015086377W WO 2017015986 A1 WO2017015986 A1 WO 2017015986A1
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Prior art keywords
strip
electrode
shaped
edge
pixel unit
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Ceased
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PCT/CN2015/086377
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English (en)
French (fr)
Inventor
熊源
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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Application filed by Shenzhen China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Priority to US14/783,659 priority Critical patent/US9766509B2/en
Publication of WO2017015986A1 publication Critical patent/WO2017015986A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • G02F1/134327—Segmented, e.g. alpha numeric display
    • 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
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3674—Details of drivers for scan electrodes
    • G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3685—Details of drivers for data electrodes
    • G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
    • H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
    • H10D86/441—Interconnections, e.g. scanning lines
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
    • H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
    • H10D86/60—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs wherein the TFTs are in active matrices
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/123—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode pixel

Definitions

  • the present invention relates to the field of liquid crystal display technologies, and in particular, to a pixel unit.
  • an opening design is usually adopted in the edge region of the pixel electrode to assist the liquid crystal arrangement in the light transmitting region.
  • an opening design is adopted in the edge region of the pixel electrode, if the upper and lower substrates (array substrate and color filter substrate) are misaligned after the group, light leakage or dark lines may be caused in the edge region of the pixel electrode, that is, the pixel unit. Light leakage or dark lines appear in the edge area, which affects the brightness or transmittance of the dark state.
  • FIG. 1 it is a conventional pixel electrode opening design, wherein a pixel unit is formed by interlacing a scan line 12 and a data line 11 , wherein the pixel electrode in the pixel unit includes a plurality of strip-shaped pixel electrodes 101, and the strip-shaped pixel electrodes are oriented
  • the edge of the pixel unit extends.
  • the design is practical, since the design lacks control of the liquid crystal in the edge region, light leakage or dark lines may appear in the edge region of the pixel unit.
  • An embodiment of the present invention provides a pixel unit for performing screen display, including:
  • a thin film transistor for receiving a scan signal and a data signal, and controlling whether to transmit the data signal to the pixel electrode through the drain according to the scan signal;
  • a pixel electrode electrically connected to a drain of the thin film transistor
  • the pixel electrode includes:
  • the first strip electrode comprises:
  • first strip-shaped trunk electrode extending toward the first edge
  • first strip-shaped edge electrode extending perpendicularly to the first edge; an extension start end of the first strip-shaped edge electrode is connected to an extended end end of the first strip-shaped stem electrode ;
  • the second strip electrode comprises:
  • a second strip-shaped edge electrode extending perpendicularly to the second edge; an extension start end of the second strip-shaped edge electrode is connected to an extended end end of the second strip-shaped stem electrode ;
  • the types of the first strip-shaped trunk electrodes include a first type and a second type
  • the first strip-shaped main electrodes belonging to the first type are parallel to each other; the first strip-shaped main electrodes belonging to the second type are parallel to each other.
  • the third strip electrode comprises:
  • a third strip-shaped edge electrode extending perpendicularly to the third edge; an extension starting end of the second strip-shaped edge electrode is connected to an extended end end of the third strip-shaped stem electrode .
  • the fourth strip electrode comprises:
  • a fourth strip-shaped edge electrode wherein the fourth strip-shaped edge electrode extends perpendicularly to the fourth edge; and an extension start end of the second strip-shaped edge electrode is connected to an extended end end of the fourth strip-shaped stem electrode .
  • the pixel electrode includes a plurality of second strip electrodes
  • the types of the second strip-shaped trunk electrodes include a third type and a fourth type
  • the second strip-shaped main electrodes belonging to the third type are parallel to each other;
  • the second strip-shaped main electrodes belonging to the fourth type are parallel to each other.
  • the first strip-shaped stem electrode belonging to the first type and the second strip-shaped stem electrode belonging to the third type are parallel to each other.
  • the fourth strip electrode comprises:
  • a fourth strip-shaped edge electrode wherein the fourth strip-shaped edge electrode extends perpendicularly to the fourth edge; and an extension start end of the fourth strip-shaped edge electrode is connected to an extended end end of the fourth strip-shaped stem electrode ;
  • the pixel electrode includes a plurality of second strip electrodes
  • the types of the second strip-shaped trunk electrodes include a third type and a fourth type
  • the second strip-shaped main electrodes belonging to the third type are parallel to each other;
  • the second strip-shaped main electrodes belonging to the fourth type are parallel to each other.
  • the first strip-shaped stem electrode belonging to the first type and the second strip-shaped stem electrode belonging to the third type are parallel to each other.
  • the angle between the first strip-shaped stem electrode and the first strip-shaped edge electrode is between 90 degrees and 140 degrees.
  • the angle between the second strip-shaped stem electrode and the second strip-shaped edge electrode is between 90 degrees and 140 degrees.
  • Embodiments of the present invention also provide another pixel unit,
  • the pixel unit is configured to perform screen display, which includes:
  • a thin film transistor for receiving a scan signal and a data signal, and controlling whether to transmit the data signal to the pixel electrode through the drain according to the scan signal;
  • a pixel electrode electrically connected to a drain of the thin film transistor
  • the pixel electrode includes:
  • the first strip electrode comprises:
  • first strip-shaped trunk electrode extending toward the first edge
  • first strip-shaped edge electrode extending perpendicularly to the first edge; an extension start end of the first strip-shaped edge electrode is connected to an extended end end of the first strip-shaped stem electrode .
  • the second strip electrode comprises:
  • a second strip-shaped edge electrode extending perpendicularly to the second edge; an extension start end of the second strip-shaped edge electrode is connected to an extended end end of the second strip-shaped stem electrode .
  • the third strip electrode comprises:
  • a third strip-shaped edge electrode extending perpendicularly to the third edge; an extension starting end of the third strip-shaped edge electrode is connected to an extended end end of the third strip-shaped stem electrode .
  • the fourth strip electrode comprises:
  • a fourth strip-shaped edge electrode wherein the fourth strip-shaped edge electrode extends perpendicularly to the fourth edge; and an extension start end of the fourth strip-shaped edge electrode is connected to an extended end end of the fourth strip-shaped stem electrode .
  • the pixel electrode includes a plurality of first strip electrodes
  • the types of the first strip-shaped trunk electrodes include a first type and a second type
  • the first strip-shaped main electrodes belonging to the first type are parallel to each other; the first strip-shaped main electrodes belonging to the second type are parallel to each other.
  • the pixel electrode includes a plurality of second strip electrodes
  • the types of the second strip-shaped trunk electrodes include a third type and a fourth type
  • the second strip-shaped main electrodes belonging to the third type are parallel to each other;
  • the second strip-shaped main electrodes belonging to the fourth type are parallel to each other.
  • the type of the first strip-shaped trunk electrode includes a first type and a second type
  • the first strip-shaped main electrodes belonging to the first type are parallel to each other;
  • the first strip-shaped main electrodes belonging to the second type are parallel to each other.
  • the first strip-shaped stem electrode belonging to the first type and the second strip-shaped stem electrode belonging to the third type are parallel to each other.
  • the angle between the first strip-shaped trunk electrode and the first strip-shaped edge electrode is between 90 degrees and 140 degrees.
  • the pixel unit is a rectangular pixel unit.
  • the angle between the first strip-shaped trunk electrode and the first strip-shaped edge electrode is between 90 degrees and 140 degrees.
  • the present invention provides a pixel unit including: a thin film transistor for receiving a scan signal and a data signal, and controlling whether to transmit a data signal to the pixel electrode through a drain according to the scan signal; a pixel electrode;
  • the drain electrode of the thin film transistor is electrically connected;
  • the pixel electrode includes: a first strip electrode extending toward a first edge of the pixel unit; and a second strip electrode extending toward a second edge of the pixel unit; a third strip electrode extending toward a third edge of the pixel unit; a fourth strip electrode extending toward a fourth edge of the pixel unit;
  • the first strip electrode comprising: a first strip-shaped stem electrode,
  • the first strip-shaped trunk electrode extends toward the first edge; and a first strip-shaped edge electrode, the first strip-shaped edge electrode extends perpendicularly to the first edge;
  • the first strip-shaped edge electrode The extension start end is connected to the extended end end of the first strip-shaped trunk electrode; it can be seen that the pixel
  • the pixel region of the present invention can form a stable dark state region at the edge region, thereby preventing light leakage in the edge region of the pixel unit after the upper and lower substrates are misaligned; and further, the pixel unit of the present invention can improve the transmittance and Contrast.
  • FIG. 1 is a schematic view of a conventional pixel electrode opening design
  • FIG. 2 is a schematic structural diagram of a pixel unit according to an embodiment of the present invention.
  • FIG. 3 is a first schematic diagram of a pixel unit according to an embodiment of the present invention.
  • FIG. 4 is a second schematic diagram of a pixel unit according to an embodiment of the present invention.
  • FIG. 5 is a third schematic diagram of a pixel unit according to an embodiment of the present invention.
  • This embodiment provides a pixel unit, as shown in FIGS. 2 and 3,
  • the pixel unit is configured by the first scan line 204, the second scan line 206, the first data line 203, and the second data line 205, and the first scan line 204 and the second scan line 206 are respectively used for transmission scanning.
  • a signal, a first data line 203 and a second data line 205 are respectively used for transmitting a data signal;
  • the pixel unit is configured to perform screen display according to the scan signal and the data signal;
  • the pixel unit includes:
  • the thin film transistor 201 is configured to receive a scan signal and a data signal, and control whether to transmit the data signal to the pixel electrode 202 through the drain 2013 according to the scan signal;
  • the gate 2011 of the thin film transistor 201 receives the scan signal transmitted by the first scan line 204, and the source 2012 receives the data signal pixel electrode 202 transmitted by the first data line 203, and the drain 2013 of the thin film transistor 201. connection;
  • the pixel unit is simplified in the embodiment, specifically, the thin film transistor 201 is omitted, and the scan line and the data line are replaced by edges; referring to FIG. 3, the first edge of the pixel unit is the first a data line 203, the second edge of the pixel unit is the first scan line 204, the third edge of the pixel unit is the second data line 205, and the fourth edge of the pixel unit is the second scan line 206, and similarly, FIG. 4 and 5 is also a similar simplified description of the pixel unit;
  • the pixel electrode 202 includes:
  • a first strip electrode 2021 extending toward the first edge 203 of the pixel unit
  • a second strip electrode 2022 extending toward the second edge 204 of the pixel unit
  • a fourth strip electrode 2024 extending toward the fourth edge 206 of the pixel unit
  • the first strip electrode 2021 includes:
  • first strip-shaped trunk electrode 2021a a first strip-shaped trunk electrode 2021a, the first strip-shaped stem electrode 2021a extending toward the first edge 203;
  • first strip edge electrode 2021b a first strip edge electrode 2021b, the first strip edge electrode 2021b extending perpendicularly to the first edge 203; that is, the first strip edge electrode 2021b is at an angle of 90 degrees to the first edge 203;
  • the extension starting end of the first strip-shaped edge electrode 2021b is connected to the extended end end of the first strip-shaped trunk electrode 2021a;
  • the type of the first strip-shaped main electrode 2021a in the embodiment may include a first type and a second type.
  • the type of the strip-shaped main electrode may be divided according to different objects extending from the strip-shaped main electrode;
  • the first strip-shaped main electrode 2021a belonging to the first type is a first strip-shaped trunk electrode 2021a extending toward the front edge of the first edge, and the first strip-shaped main electrode 2021a belonging to the second type is extending toward the rear side of the first edge
  • the first strip electrode 2021; the division of the front edge and the back segment of the first edge in the embodiment may be divided according to the midpoint of the first first edge;
  • the first strip-shaped stem electrodes 2021a belonging to the first type are parallel to each other; the first type belonging to the second type
  • the strip-shaped stem electrodes 2021a are parallel to each other.
  • the angle between the first strip-shaped trunk electrode 2021a and the first strip-shaped edge electrode 2021b may be between 90 degrees and 140 degrees, which may enhance the pixel unit display effect.
  • the strip-shaped trunk electrode and the strip-shaped edge electrode may be integrally formed.
  • the shape of the pixel unit of the embodiment may be a rectangle, and the first edge 203, the second edge 204, the third edge 205, and the fourth edge 206 are respectively four sides of a rectangular pixel unit, that is, the first data. a line, a first scan line, a second data line, and a second scan line; each edge of the pixel unit corresponds to a strip electrode extending toward the edge, for example, the first edge 203 corresponds to the first strip electrode 2021, first The strip electrode 2021 extends toward the first edge 203.
  • the first edge 203 is one edge of the rectangular pixel unit located in the horizontal direction. It should be understood that in other embodiments, the first edge may be one edge of the rectangular pixel unit located in the vertical direction.
  • first strip-shaped main electrodes 2021a are parallel to each other in this embodiment, and in other embodiments, the first strip-shaped main electrodes 2021a may not be parallel to each other.
  • the first stripe edge electrode 2021b is added to the first edge region of the pixel unit, and the first stripe edge electrode 2021b is perpendicular to the first edge 203.
  • the design can make the liquid crystal clear orientation (liquid crystal length) The axis is parallel to the direction of the first edge electrode 2021b), so that the dark lines of the edge region can be effectively pressed, and a stable dark state region is formed in the horizontally extending region of the first edge electrode 2021b, thereby preventing light leakage after dislocation of the group; thereby improving penetration. Rate and contrast.
  • the second strip electrode 2022 in this embodiment may include:
  • a second strip edge electrode 2022b extending perpendicularly to the second edge 204; an extension start end of the second strip edge electrode 2022b and the second strip stem electrode 2022a The extension ends the connection.
  • the type of the first strip electrode 2022 in this embodiment may include a third type and a fourth type, wherein the second strip electrode 2022 belonging to the third type is a second strip electrode extending toward the front edge of the second edge 2021, the second strip electrode 2021 belonging to the fourth type is a second strip electrode 2021 extending toward the second edge rear segment; in this embodiment, the second edge front segment and the rear segment may be divided according to the midpoint of the second edge To divide
  • the second strip-shaped main electrodes belonging to the third type are parallel to each other; and belong to the second strip of the fourth type.
  • the main electrodes are parallel to each other.
  • the second strip-shaped main electrodes belonging to the third type are parallel to each other, and the second strip-shaped main electrodes belonging to the fourth type are parallel to each other.
  • the first strip-shaped main electrodes of the first type are parallel to each other; the first strip-shaped main electrodes belonging to the second type are parallel to each other.
  • the angle between the second strip-shaped trunk electrode 2022a and the second strip-shaped edge electrode 2022b may be between 90 degrees and 140 degrees to facilitate the arrangement of liquid crystal molecules.
  • the second edge in FIG. 4 is one edge of the rectangular pixel unit in the horizontal direction, and in other embodiments the second edge may be one edge of the rectangular pixel unit in the vertical direction.
  • the first stripe edge electrode 2021b and the second stripe edge electrode 2022b may be added to the first edge region corresponding to the first edge of the pixel unit and the second edge region corresponding to the second edge, so that the liquid crystal may be in the first
  • the orientation of an edge region and the second edge region is clear, and the liquid crystal arrangement of the first edge region and the second edge region is better controlled, effectively suppressing the dark lines of the edge region, and forming a stable darkness in the horizontal extension region of the edge electrode. State zone to prevent light leakage after misalignment of the group.
  • the third strip electrode 2023 in this embodiment may include:
  • a third strip edge electrode 2023b extending perpendicularly to the third edge 205; an extension start end of the second strip edge electrode 2023b and the third strip stem electrode 2023a Extended end connection;
  • the fourth strip electrode 2024 includes:
  • a fourth strip-shaped edge electrode 2024b extending perpendicularly to the fourth edge 206; an extension starting end of the second strip-shaped edge electrode 2024b and the fourth strip-shaped stem electrode 2024a The extension ends the connection.
  • the angle between the third strip-shaped trunk electrode 2023a and the third strip-shaped edge electrode 2023b may be between 90 degrees and 140 degrees; similarly, the fourth strip electrode 2024 may be similarly disposed.
  • the type of the third strip-shaped trunk electrode 2023a in the embodiment may also include two types, and the third strip-shaped trunk electrodes 2023a of the same type are parallel to each other; the type of the fourth strip-shaped trunk electrodes 2024a may also include two types.
  • the fourth strip-shaped main electrode 2024a of the same type is parallel to each other; wherein the type division of the third strip-shaped main electrode 2023 and the fourth strip-shaped main electrode 2024 can be divided according to different extension objects of the main electrode, for example, to the third The third strip-shaped main electrode 2023a extending in the front portion of the edge 205 and the third strip-shaped main electrode 2023a extending toward the rear portion of the third edge 205; and the same type division of the fourth strip-shaped main electrode 2024a are also similar.
  • one type of third strip-shaped stem electrode 2023a may be parallel to one type of fourth strip-shaped stem electrode 2024a; advantageous for liquid crystal arrangement and control.
  • the four edge regions corresponding to the four edges of the pixel unit are respectively provided with strip-shaped edge electrodes perpendicular to the respective edges, so that the liquid crystal orientation of each edge region is clear, and the first edge region and the second edge region are better controlled.
  • the liquid crystal arrangement of the two edge regions effectively suppresses the dark lines in the edge region, and at the same time forms a stable dark state region in the horizontal extension region of the edge electrode to prevent light leakage after the misalignment of the group.

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

Abstract

一种像素单元包括：向所述像素单元的第一边缘(203)延伸的第一条状电极(2021)；其中第一条状电极(2021)中第一条状边缘电极(2021b)向第一边缘(203)垂直延伸。所述像素单元可以改善上下基板对组错位后像素单元边缘区域出现暗纹或者漏光的状况。

Description

一种像素单元 技术领域
本发明涉及液晶显示器技术领域，特别是涉及一种像素单元。
 背景技术
在传统像素电极的设计中，通常会在像素电极边缘区域采用开口设计，以协助透光区的液晶排布。然而，在像素电极边缘区域采用开口设计的情况下，如果上下基板（阵列基板和彩膜基板）对组后发生错位，则将会导致像素电极的边缘区域出现漏光或者暗纹，也即像素单元的边缘区域出现漏光或者暗纹，进而影响暗态亮度或者穿透率。
如图1所示，为传统的像素电极开口设计，其中，像素单元由扫描线12和数据线11交错构成，其中像素单元中像素电极包括多个条状像素电极101，且条状像素电极向像素单元的边缘延伸，该设计在实际应用时，由于该设计对边缘区域的液晶缺乏控制力，像素单元的边缘区域会出现漏光或者暗纹。
因此，有必要提供一种像素单元，以解决现有技术所存在的问题。
 技术问题
本发明的目的在于提供一种像素单元，以解决现有像素单元边缘区域出现漏光或者暗纹的技术问题。
 技术解决方案
本发明的实施例提供了一种像素单元，用于进行画面显示，其包括：
薄膜晶体管，用于接收扫描信号和数据信号，并根据所述扫描信号控制是否将数据信号通过漏极传输给所述像素电极；
像素电极，与所述薄膜晶体管的漏极电性连接；
所述像素电极包括：
多个向所述像素单元的第一边缘延伸的第一条状电极；
向所述像素单元的第二边缘延伸的第二条状电极；
向所述像素单元的第三边缘延伸的第三条状电极；
向所述像素单元的第四边缘延伸的第四条状电极；
所述第一条状电极包括：
第一条状主干电极，所述第一条状主干电极向所述第一边缘延伸；以及
第一条状边缘电极，所述第一条状边缘电极向所述第一边缘垂直延伸；所述第一条状边缘电极的延伸起始端与所述第一条状主干电极的延伸结束端连接；
所述第二条状电极包括：
第二条状主干电极，所述第二条状主干电极向所述第二边缘延伸；
第二条状边缘电极，所述第二条状边缘电极向所述第二边缘垂直延伸；所述第二条状边缘电极的延伸起始端与所述第二条状主干电极的延伸结束端连接；
所述第一条状主干电极的类型包括第一类型和第二类型；
属于所述第一类型的第一条状主干电极相互平行；属于所述第二类型的第一条状主干电极相互平行。
在本发明的像素单元中，所述第三条状电极包括：
第三条状主干电极，所述第三条状主干电极向所述第三边缘延伸；
第三条状边缘电极，所述第三条状边缘电极向所述第三边缘垂直延伸；所述第二条状边缘电极的延伸起始端与所述第三条状主干电极的延伸结束端连接。
在本发明的像素单元中，所述第四条状电极包括：
第四条状主干电极，所述第四条状主干电极向所述第四边缘延伸；
第四条状边缘电极，所述第四条状边缘电极向所述第四边缘垂直延伸；所述第二条状边缘电极的延伸起始端与所述第四条状主干电极的延伸结束端连接。
在本发明的像素单元中，所述像素电极包括多个第二条状电极；
所述第二条状主干电极的类型包括第三类型和第四类型；
属于所述第三类型的第二条状主干电极相互平行；
属于所述第四类型的第二条状主干电极相互平行。
在本发明的像素单元中，其中属于所述第一类型的第一条状主干电极与属于所述第三类型的第二条状主干电极相互平行。
在本发明的像素单元中，所述第四条状电极包括：
第四条状主干电极，所述第四条状主干电极向所述第四边缘延伸；
第四条状边缘电极，所述第四条状边缘电极向所述第四边缘垂直延伸；所述第四条状边缘电极的延伸起始端与所述第四条状主干电极的延伸结束端连接；
所述像素电极包括多个第二条状电极；
所述第二条状主干电极的类型包括第三类型和第四类型；
属于所述第三类型的第二条状主干电极相互平行；
属于所述第四类型的第二条状主干电极相互平行。
在本发明的像素单元中，其中属于所述第一类型的第一条状主干电极与属于所述第三类型的第二条状主干电极相互平行。
在本发明的像素单元中，其中所述第一条状主干电极和第一条状边缘电极的夹角在90度至140度之间。
在本发明的像素单元中，所述第二条状主干电极和第二条状边缘电极的夹角在90度至140度之间。
本发明的实施例还提供了另一种像素单元，
所述像素单元用于进行画面显示，其包括；
薄膜晶体管，用于接收扫描信号和数据信号，并根据所述扫描信号控制是否将数据信号通过漏极传输给所述像素电极；
像素电极，与所述薄膜晶体管的漏极电性连接；
所述像素电极包括：
向所述像素单元的第一边缘延伸的第一条状电极；
向所述像素单元的第二边缘延伸的第二条状电极；
向所述像素单元的第三边缘延伸的第三条状电极；
向所述像素单元的第四边缘延伸的第四条状电极；
所述第一条状电极包括：
第一条状主干电极，所述第一条状主干电极向所述第一边缘延伸；以及
第一条状边缘电极，所述第一条状边缘电极向所述第一边缘垂直延伸；所述第一条状边缘电极的延伸起始端与所述第一条状主干电极的延伸结束端连接。
在本发明的像素单元中，所述第二条状电极包括：
第二条状主干电极，所述第二条状主干电极向所述第二边缘延伸；
第二条状边缘电极，所述第二条状边缘电极向所述第二边缘垂直延伸；所述第二条状边缘电极的延伸起始端与所述第二条状主干电极的延伸结束端连接。
在本发明的像素单元中，所述第三条状电极包括：
第三条状主干电极，所述第三条状主干电极向所述第三边缘延伸；
第三条状边缘电极，所述第三条状边缘电极向所述第三边缘垂直延伸；所述第三条状边缘电极的延伸起始端与所述第三条状主干电极的延伸结束端连接。
在本发明的像素单元中，所述第四条状电极包括：
第四条状主干电极，所述第四条状主干电极向所述第四边缘延伸；
第四条状边缘电极，所述第四条状边缘电极向所述第四边缘垂直延伸；所述第四条状边缘电极的延伸起始端与所述第四条状主干电极的延伸结束端连接。
在本发明的像素单元中，所述像素电极包括多个第一条状电极；
所述第一条状主干电极的类型包括第一类型和第二类型；
属于所述第一类型的第一条状主干电极相互平行；属于所述第二类型的第一条状主干电极相互平行。
在本发明的像素单元中，所述像素电极包括多个第二条状电极；
所述第二条状主干电极的类型包括第三类型和第四类型；
属于所述第三类型的第二条状主干电极相互平行；
属于所述第四类型的第二条状主干电极相互平行。
在本发明的像素单元中，所述第一条状主干电极的类型包括第一类型和第二类型；
属于所述第一类型的第一条状主干电极相互平行；
属于所述第二类型的第一条状主干电极相互平行。
在本发明的像素单元中，属于所述第一类型的第一条状主干电极与属于所述第三类型的第二条状主干电极相互平行。
在本发明的像素单元中，所述第一条状主干电极和第一条状边缘电极的夹角在90度至140度之间。
在本发明的像素单元中，所述像素单元为矩形像素单元。
在本发明的像素单元中，所述第一条状主干电极和第一条状边缘电极的夹角在90度至140度之间。
 有益效果
本发明提供了一种像素单元，其包括：薄膜晶体管，用于接收扫描信号和数据信号，并根据所述扫描信号控制是否将数据信号通过漏极传输给所述像素电极；像素电极，与所述薄膜晶体管的漏极电性连接；所述像素电极包括：向所述像素单元的第一边缘延伸的第一条状电极；向所述像素单元的第二边缘延伸的第二条状电极；向所述像素单元的第三边缘延伸的第三条状电极；向所述像素单元的第四边缘延伸的第四条状电极；所述第一条状电极包括：第一条状主干电极，所述第一条状主干电极向所述第一边缘延伸；以及第一条状边缘电极，所述第一条状边缘电极向所述第一边缘垂直延伸；所述第一条状边缘电极的延伸起始端与所述第一条状主干电极的延伸结束端连接；可见，本发明提供的像素单元在边缘区域增设了向边缘垂直延伸的条状边缘电极，使得像素单元边缘区域的液晶取向明确（液晶长轴平行与条状边缘电极）；因此，本发明的像素单元可以更好地控制边缘区域的液晶排布，其可以改善上下基板对组错位后像素单元边缘区域出现暗纹的状况；同时本发明的像素单元可以边缘区域形成稳定的暗态区，防止上下基板对组错位后像素单元边缘区域出现漏光；进而本发明的像素单元可以提高穿透率和对比度。
 附图说明
图1为现有像素电极开口设计的示意图；
图2为本发明实施例提供的一种像素单元的结构示意图；
图3为本发明实施例提供的像素单元的第一种示意图；
图4为本发明实施例提供的像素单元的第二种示意图；
图5为本发明实施例提供的像素单元的第三种示意图。
 本发明的最佳实施方式
以下各实施例的说明是参考附加的图式，用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语，例如「上」、「下」、「前」、「后」、「左」、「右」、「内」、「外」、「侧面」等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。在图中，结构相似的单元是以相同标号表示。
本实施例提供了一种像素单元，如图2和3所示，
本实施例中像素单元由第一扫描线204、第二扫描线206、第一数据线203和第二数据线205相互交错构成，第一扫描线204、第二扫描线206分别用于传输扫描信号，第一数据线203和第二数据线205分别用于传输数据信号；所述像素单元用于根据扫描信号和数据信号进行画面显示；
所述像素单元包括：
薄膜晶体管201，用于接收扫描信号和数据信号，并根据所述扫描信号控制是否将数据信号通过漏极2013传输给像素电极202；
具体地，薄膜晶体管201的栅极2011接收第一扫描线204传输的扫描信号，源极2012接收第一数据线203传输的数据信号像素电极202，与所述薄膜晶体管201的漏极2013电性连接；
为了方便描述本实施例像素电极的结构，本实施例对像素单元进行简化描述，具体地忽略掉薄膜晶体管201，用边缘替代扫描线和数据线；参考图3，像素单元的第一边缘为第一数据线203，像素单元的第二边缘为第一扫描线204，像素单元的第三边缘为第二数据线205，像素单元的第四边缘为第二扫描线206，同理后续图4和5也是对像素单元进行类似的简化描述；
如图3所示，所述像素电极202包括：
向所述像素单元的第一边缘203延伸的第一条状电极2021；
向所述像素单元的第二边缘204延伸的第二条状电极2022；
向所述像素单元的第三边缘205延伸的第三条状电极2023；
向所述像素单元的第四边缘206延伸的第四条状电极2024；
所述第一条状电极2021包括：
第一条状主干电极2021a，所述第一条状主干电极2021a向所述第一边缘203延伸；以及
第一条状边缘电极2021b，所述第一条状边缘电极2021b向所述第一边缘203垂直延伸；即，第一条状边缘电极2021b与所述第一边缘203呈90度角；
所述第一条状边缘电极2021b的延伸起始端与所述第一条状主干电极2021a的延伸结束端连接；
优选地，本实施例中第一条状主干电极2021a的类型可以包括第一类型和第二类型，本实施例中条状主干电极的类型可以依据条状主干电极延伸的对象不同来划分；
例如，属于第一类型的第一条状主干电极2021a为向第一边缘前段延伸的第一条状主干电极2021a，属于第二类型的第一条状主干电极2021a为向第一边缘后段延伸的第一条状电极2021；本实施例中第一边缘前段和后段的划分可以根据第一第一边缘的中点来划分；
本实施例中，为了能够在有限的空间内尽可能的多设置第一条状电极2021，属于所述第一类型的第一条状主干电极2021a相互平行；属于所述第二类型的第一条状主干电极2021a相互平行。优选地，第一条状主干电极2021a和第一边条状边缘电极2021b的夹角可以在90度至140度之间，可以增强像素单元显示效果。
优选地，本实施例中条状主干电极与条状边缘电极可以一体成型。
图3所示，本实施例的像素单元的形状可以为矩形，第一边缘203、第二边缘204、第三边缘205、第四边缘206分别为矩形像素单元的四条边，也即第一数据线、第一扫描线、第二数据线、第二扫描线；像素单元中每个边缘对应一种向该边缘延伸的条状电极，例如第一边缘203对应第一条状电极2021，第一条状电极2021向第一边缘203延伸。
本实施例中第一边缘203为矩形像素单元中位于水平方向上的一个边缘，应当理解的是，在其他实施例中，第一边缘可以为矩形像素单元中位于竖直方向上的一个边缘。
应当理解的是：本实施例中第一条状主干电极2021a之间相互平行，在其他实施例中，第一条状主干电极2021a之间也可以不相互平行。
本实施例中在像素单元的第一边缘区域增加了第一条状边缘电极2021b，且第一条状边缘电极2021b与所述第一边缘203垂直，该设计可以使液晶明确的取向（液晶长轴平行于第一边缘电极2021b方向），因此可以有效地压制边缘区的暗纹，同时在第一边缘电极2021b水平延伸区域形成稳定的暗态区，防止对组错位后漏光；进而提高穿透率和对比度。
为了进一步改善像素单元边缘区域出现漏光或者暗纹的状况，如图4所示，本实施例中第二条状电极2022可以包括：
第二条状主干电极2022a，所述第二条状主干电极2022a向所述第二边缘204延伸；
第二条状边缘电极2022b，所述第二条状边缘电极2022b向所述第二边缘204垂直延伸；所述第二条状边缘电极2022b的延伸起始端与所述第二条状主干电极2022a的延伸结束端连接。
优选地，本实施例中第一条状电极2022的类型可以包括第三类型和第四类型，其中属于第三类型的第二条状电极2022为向第二边缘前段延伸的第二条状电极2021，属于第四类型的第二条状电极2021为向第二边缘后段延伸的第二条状电极2021；本实施例中第二边缘前段和后段的划分可以根据第二边缘的中点来划分；
为能够在有限的空间内尽可能多设置第二条状电极2022，本实施例中，属于所述第三类型的第二条状主干电极相互平行；属于所述第四类型的第二条状主干电极相互平行。
进一步为了提升条状电极的数量，如图4所示，在属于所述第三类型的第二条状主干电极相互平行，属于所述第四类型的第二条状主干电极相互平行的基础上，所述第一类型的第一条状主干电极相互平行；属于所述第二类型的第一条状主干电极相互平行。
优选地第二条状主干电极2022a和第二边条状缘电极2022b的夹角可以在90度至140度之间，便于液晶分子的排布。
图4中第二边缘为矩形像素单元位于水平方向上的一个边缘，在其他实施例中第二边缘可以为矩形像素单元中位于竖直方向上的一个边缘。
本实施例可以同时在像素单元的第一边缘对应的第一边缘区域和第二边缘对应的第二边缘区域增加第一条状边缘电极2021b和第二条状边缘电极2022b，使得液晶可以在第一边缘区域和第二边缘区域的取向明确，更好地控制第一边缘区域和第二边缘区域的液晶排布，有效地压制边缘区的暗纹，同时在边缘电极水平延伸区域形成稳定的暗态区，防止对组错位后漏光。
同样在上述基础上，进一步改善像素单元边缘区域出现漏光或者暗纹的状况，如图5所示，本实施例中第三条状电极2023可以包括：
第三条状主干电极2023a，所述第三条状主干电极2023a向所述第三边缘205延伸；
第三条状边缘电极2023b，所述第三条状边缘电极2023b向所述第三边缘205垂直延伸；所述第二条状边缘电极2023b的延伸起始端与所述第三条状主干电极2023a的延伸结束端连接；
所述第四条状电极2024包括：
第四条状主干电极2024a，所述第四条状主干电极2024a向所述第四边缘206延伸；
第四条状边缘电极2024b，所述第四条状边缘电极2024b向所述第四边缘206垂直延伸；所述第二条状边缘电极2024b的延伸起始端与所述第四条状主干电极2024a的延伸结束端连接。
优选地第三条状主干电极2023a和第三边条状缘电极2023b的夹角可以在90度至140度之间；同样第四条状电极2024也可以类似设置。
优选地，本实施例中第三条状主干电极2023a的类型也可以包括两种类型，同种类型的第三条状主干电极2023a相互平行；第四条状主干电极2024a的类型也可以包括两种类型，同种类型的第四条状主干电极2024a相互平行；其中第三条状主干电极2023和第四条状主干电极2024的类型划分可以依据主干电极延伸对象不同来划分，例如向第三边缘205前段延伸的第三条状主干电极2023a和向第三边缘205后段延伸的第三条状主干电极2023a；同样第四条状主干电极2024a的类型划分也类似。
进一步地，一种类型的第三条状主干电极2023a可以与一种类型的第四条状主干电极2024a相互平行；有利液晶排布和控制。
如图5所示，像素单元的四个边缘对应的四个边缘区域均设有与各边缘垂直的条状边缘电极，使得各边缘区域的液晶取向明确，更好地控制第一边缘区域和第二边缘区域的液晶排布，有效地压制边缘区的暗纹，同时在边缘电极水平延伸区域形成稳定的暗态区，防止对组错位后漏光。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。

Claims (20)

  1. 一种像素单元，用于进行画面显示，其包括：
    薄膜晶体管，用于接收扫描信号和数据信号，并根据所述扫描信号控制是否将数据信号通过漏极传输给所述像素电极；
    像素电极，与所述薄膜晶体管的漏极电性连接；
    所述像素电极包括：
    多个向所述像素单元的第一边缘延伸的第一条状电极；
    向所述像素单元的第二边缘延伸的第二条状电极；
    向所述像素单元的第三边缘延伸的第三条状电极；
    向所述像素单元的第四边缘延伸的第四条状电极；
    所述第一条状电极包括：
    第一条状主干电极，所述第一条状主干电极向所述第一边缘延伸；以及
    第一条状边缘电极，所述第一条状边缘电极向所述第一边缘垂直延伸；所述第一条状边缘电极的延伸起始端与所述第一条状主干电极的延伸结束端连接；
    所述第二条状电极包括：
    第二条状主干电极，所述第二条状主干电极向所述第二边缘延伸；
    第二条状边缘电极，所述第二条状边缘电极向所述第二边缘垂直延伸；所述第二条状边缘电极的延伸起始端与所述第二条状主干电极的延伸结束端连接；
    所述第一条状主干电极的类型包括第一类型和第二类型；
    属于所述第一类型的第一条状主干电极相互平行；属于所述第二类型的第一条状主干电极相互平行。
  2. 如权利要求1所述的像素单元，其中所述第三条状电极包括：
    第三条状主干电极，所述第三条状主干电极向所述第三边缘延伸；
    第三条状边缘电极，所述第三条状边缘电极向所述第三边缘垂直延伸；所述第三条状边缘电极的延伸起始端与所述第三条状主干电极的延伸结束端连接。
  3. 如权利要求2所述的像素单元，其中
    所述第四条状电极包括：
    第四条状主干电极，所述第四条状主干电极向所述第四边缘延伸；
    第四条状边缘电极，所述第四条状边缘电极向所述第四边缘垂直延伸；所述第四条状边缘电极的延伸起始端与所述第四条状主干电极的延伸结束端连接。
  4. 如权利要求2所述的像素单元，其中所述像素电极包括多个第二条状电极；
    所述第二条状主干电极的类型包括第三类型和第四类型；
    属于所述第三类型的第二条状主干电极相互平行；
    属于所述第四类型的第二条状主干电极相互平行。
  5. 如权利要求4所述的像素单元，其中属于所述第一类型的第一条状主干电极与属于所述第三类型的第二条状主干电极相互平行。
  6. 如权利要求3所述的像素单元，其中所述像素电极包括多个第二条状电极；
    所述第二条状主干电极的类型包括第三类型和第四类型；
    属于所述第三类型的第二条状主干电极相互平行；
    属于所述第四类型的第二条状主干电极相互平行。
  7. 如权利要求6所述的像素单元，其中属于所述第一类型的第一条状主干电极与属于所述第三类型的第二条状主干电极相互平行。
  8. 如权利要求1所述的像素单元，其中所述第一条状主干电极和第一条状边缘电极的夹角在90度至140度之间。
  9. 如权利要求1所述的像素单元，其中所述第二条状主干电极和第二条状边缘电极的夹角在90度至140度之间。
  10. 一种像素单元，所述像素单元用于进行画面显示，其包括；
    薄膜晶体管，用于接收扫描信号和数据信号，并根据所述扫描信号控制是否将数据信号通过漏极传输给所述像素电极；
    像素电极，与所述薄膜晶体管的漏极电性连接；
    所述像素电极包括：
    向所述像素单元的第一边缘延伸的第一条状电极；
    向所述像素单元的第二边缘延伸的第二条状电极；
    向所述像素单元的第三边缘延伸的第三条状电极；
    向所述像素单元的第四边缘延伸的第四条状电极；
    所述第一条状电极包括：
    第一条状主干电极，所述第一条状主干电极向所述第一边缘延伸；以及
    第一条状边缘电极，所述第一条状边缘电极向所述第一边缘垂直延伸；所述第一条状边缘电极的延伸起始端与所述第一条状主干电极的延伸结束端连接。
  11. 如权利要求10所述的像素单元，其中所述第二条状电极包括：
    第二条状主干电极，所述第二条状主干电极向所述第二边缘延伸；
    第二条状边缘电极，所述第二条状边缘电极向所述第二边缘垂直延伸；所述第二条状边缘电极的延伸起始端与所述第二条状主干电极的延伸结束端连接。
  12. 如权利要求11所述的像素单元，其中
    所述第三条状电极包括：
    第三条状主干电极，所述第三条状主干电极向所述第三边缘延伸；
    第三条状边缘电极，所述第三条状边缘电极向所述第三边缘垂直延伸；所述第三条状边缘电极的延伸起始端与所述第三条状主干电极的延伸结束端连接。
  13. 如权利要求12所述的像素单元，其中
    所述第四条状电极包括：
    第四条状主干电极，所述第四条状主干电极向所述第四边缘延伸；
    第四条状边缘电极，所述第四条状边缘电极向所述第四边缘垂直延伸；所述第四条状边缘电极的延伸起始端与所述第四条状主干电极的延伸结束端连接。
  14. 如权利要求10所述的像素单元，其中所述像素电极包括多个第一条状电极；
    所述第一条状主干电极的类型包括第一类型和第二类型；
    属于所述第一类型的第一条状主干电极相互平行；属于所述第二类型的第一条状主干电极相互平行。
  15. 如权利要求11所述的像素单元，其中所述像素电极包括多个第二条状电极；
    所述第二条状主干电极的类型包括第三类型和第四类型；
    属于所述第三类型的第二条状主干电极相互平行；
    属于所述第四类型的第二条状主干电极相互平行。
  16. 如权利要求15所述的像素单元，其中
    所述第一条状主干电极的类型包括第一类型和第二类型；
    属于所述第一类型的第一条状主干电极相互平行；
    属于所述第二类型的第一条状主干电极相互平行。
  17. 如权利要求16所述的像素单元，其中属于所述第一类型的第一条状主干电极与属于所述第三类型的第二条状主干电极相互平行。
  18. 如权利要求10所述的像素单元，其中所述第一条状主干电极和第一条状边缘电极的夹角在90度至140度之间。
  19. 如权利要求10所述的像素单元，其中所述像素单元为矩形像素单元。
  20. 如权利要求11所述的像素单元，其中所述第一条状主干电极和第一条状边缘电极的夹角在90度至140度之间。
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