WO2023124704A1 - 显示面板和显示装置 - Google Patents

显示面板和显示装置 Download PDF

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Publication number
WO2023124704A1
WO2023124704A1 PCT/CN2022/134973 CN2022134973W WO2023124704A1 WO 2023124704 A1 WO2023124704 A1 WO 2023124704A1 CN 2022134973 W CN2022134973 W CN 2022134973W WO 2023124704 A1 WO2023124704 A1 WO 2023124704A1
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WO
WIPO (PCT)
Prior art keywords
groove
substrate
layer
trunk
display panel
Prior art date
Application number
PCT/CN2022/134973
Other languages
English (en)
French (fr)
Inventor
李辉
袁海江
Original Assignee
绵阳惠科光电科技有限公司
惠科股份有限公司
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Application filed by 绵阳惠科光电科技有限公司, 惠科股份有限公司 filed Critical 绵阳惠科光电科技有限公司
Priority to KR1020237019082A priority Critical patent/KR20230106165A/ko
Priority to JP2023533378A priority patent/JP2024504550A/ja
Priority to EP22902456.7A priority patent/EP4246221A1/en
Publication of WO2023124704A1 publication Critical patent/WO2023124704A1/zh

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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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
    • 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
    • G02F1/133357—Planarisation layers
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • 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
    • G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
    • 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
    • G02F1/134372—Electrodes characterised by their geometrical arrangement for fringe field switching [FFS] where the common electrode is not patterned
    • 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

Definitions

  • the present application relates to the field of display technology, in particular to a display panel and a display device.
  • the existing liquid crystal display panel it is usually composed of an array substrate, a color filter substrate, and a liquid crystal layer sandwiched between the array substrate and the color filter substrate.
  • the array substrate is also provided with circuit wiring for controlling the liquid crystal deflection, such as
  • the pixel electrode, located in the display area is usually made of transparent and conductive indium tin oxide (ITO) material, which has the advantage of high transmittance, but its brittleness is relatively large, and it is easy to occur under the action of external force. Cracks; there is a spacer column between the array substrate and the color filter base to maintain the stability of the box thickness between the two substrates.
  • ITO indium tin oxide
  • the spacer column will not contact the pixel electrode, but under the action of external force, the spacer column will Sliding occurs, and then invades the edge of the display area, and will contact the pixel electrode, which will cause compressive stress on the pixel electrode, cause fracture, make the display panel drive abnormal, cause display failure, cause customer damage, and affect the company's reputation.
  • the purpose of the present application is to provide a display panel and a display device.
  • the present application discloses a display panel, comprising a first substrate, a second substrate and a spacer column, the first substrate and the second substrate are arranged in a box, and the spacer column is located between the first substrate and the second substrate.
  • the first substrate includes a substrate, a signal line, a flat layer, and an electrode layer, the signal line is disposed on the substrate, and there are multiple signal lines, and multiple signal lines
  • the lines are staggered to form a plurality of pixel regions;
  • the flat layer is arranged on the signal line, one end of the spacer column is arranged on the second substrate, and the other end abuts on the flat layer;
  • the electrode layer It is arranged on the flat layer and is located in the pixel area;
  • the electrode layer includes at least a trunk and a plurality of branches, and the plurality of branches are arranged at intervals and connected to the trunk;
  • the flat layer is close to the The area of the spacer column is provided with a groove, and the groove corresponds to the
  • the present application also discloses a display panel, which includes a first substrate, a second substrate and a spacer column, the first substrate and the second substrate are arranged in a box, and the spacer column is located between the first substrate and the Between the second substrates;
  • the first substrate includes a substrate, a signal line, a flat layer, and an electrode layer;
  • the signal lines are arranged on the substrate, and there are multiple signal lines, and the plurality of the signal lines
  • the signal lines are staggered to form a plurality of pixel areas;
  • the flat layer is arranged on the signal lines, one end of the spacer column is arranged on the second substrate, and the other end abuts on the flat layer;
  • the electrode The layer is arranged on the flat layer and is located in the pixel area;
  • the electrode layer includes at least a trunk and a plurality of branches, and the plurality of branches are arranged at intervals and connected to the trunk;
  • the flat layer is close to the The area of the spacer column is provided with
  • the grooves include at least one second bar-shaped groove, the second bar-shaped groove extends along the second direction, and the first trunk or the second trunk is arranged on the second In the strip groove, the first direction is perpendicular to the second direction, and the first direction is a vertical direction, and the second direction is a horizontal direction.
  • the present application also discloses a display device, including a backlight module and a display panel, the backlight module is arranged on a side away from the light-emitting surface of the display panel, and the display panel includes a first substrate, a second substrate and a spacer column, the first substrate and the second substrate are arranged in a box, and the spacer column is located between the first substrate and the second substrate;
  • the first substrate includes a substrate, a signal line, and a flat layer and an electrode layer;
  • the signal lines are arranged on the substrate, and there are multiple signal lines, and a plurality of the signal lines are interlaced to form a plurality of pixel regions;
  • the flat layer is arranged on the signal lines , one end of the spacer column is disposed on the second substrate, and the other end abuts on the flat layer;
  • the electrode layer is disposed on the flat layer and is located in the pixel region;
  • the electrode The layer includes at least a trunk and a plurality of branches, and a
  • this application sets a groove on the flat layer near the signal line, and arranges the electrode layer in the groove to avoid the spacer column. Sliding by external force, sliding to the display area and scratching the electrode layer, because the electrode layer is set in the groove, and when the thickness of the electrode layer is equal to the depth of the groove, the upper surface of the electrode layer and the upper surface of the flat layer are on the same plane , so that when the spacer column slides, it will only contact the upper surface of the conductive layer.
  • the electrode layer in the groove can still be normally conducted to avoid abnormal drive of the display panel; or when the electrode layer When the thickness of the electrode layer is smaller than the depth of the groove, the upper surface of the electrode layer is lower than the upper surface of the flat layer.
  • the groove can not only prevent the fracture problem caused by the pressure of the electrode layer, but also prevent the spacer column from sliding further, and avoid the electrode layer in other positions from being damaged. Pressure damage, thereby enhancing the stability of the display panel.
  • FIG. 1 is a schematic top view of a display panel according to Embodiment 1 of the present application.
  • FIG. 2 is a schematic top view of an electrode layer in Embodiment 1 of the present application.
  • Fig. 3 is a schematic cross-sectional view of Fig. 2 along the direction A-A';
  • FIG. 4 is a schematic cross-sectional view of a display panel in Embodiment 2 of the present application.
  • FIG. 5 is a schematic top view of a display panel according to Embodiment 3 of the present application.
  • FIG. 6 is a schematic cross-sectional view of a display panel according to Embodiment 4 of the present application.
  • Fig. 7 is a schematic top view of the four grooves of the embodiment of the present application.
  • Fig. 8 is a schematic cross-sectional view along C-C' direction in Fig. 7;
  • FIG. 9 is a schematic top view of a display panel according to Embodiment 5 of the present application.
  • FIG. 10 is a schematic cross-sectional view of a display device of the present application.
  • first and second are used for descriptive purposes only, and cannot be understood as indicating relative importance, or implicitly indicating the quantity of indicated technical features. Therefore, unless otherwise stated, the features defined as “first” and “second” may explicitly or implicitly include one or more of these features; “plurality” means two or more.
  • the term “comprising” and any variations thereof mean non-exclusive inclusion, possible presence or addition of one or more other features, integers, steps, operations, units, components and/or combinations thereof.
  • Figure 1 is a schematic top view of a display panel according to Embodiment 1 of the present application
  • Figure 2 is a schematic top view of an electrode layer according to Embodiment 1 of this application
  • the present application discloses a display panel 20, the display panel 20 includes a first substrate 201, a second substrate 202 and spacer columns 203, the first substrate 201 and the second substrate 202 are arranged in a box, and the spacer columns 203 are located on the first substrate 201 and the second substrate 202;
  • the first substrate 201 includes a substrate 210, a signal line 220, a flat layer 230 and an electrode layer 250, the signal line 220 is arranged on the substrate 210, and there are multiple signal lines 220, and multiple The signal lines 220 are staggered to form a plurality of pixel regions;
  • the flat layer 230 is arranged on the signal line 220, one end of the spacer column 203 is arranged on the second substrate 202, and the other end abuts on the flat layer 230
  • the present application provides a groove 231 on the flat layer 230 near the position of the signal line 220, and the electrode layer 250 is arranged in the groove.
  • the electrode layer 250 of the electrode layer 250 can still be normally conducted, so as to avoid abnormal driving of the display panel 20; Not only can the electrode layer 250 be prevented from breaking due to pressure, but also the spacer column 203 can be prevented from further sliding, and the electrode layer 250 at other positions can be prevented from being damaged by pressure, thereby enhancing the stability of the display panel 20 .
  • the display panel 20 is used as a liquid crystal display panel 20, and a liquid crystal layer 204 is also provided between the first substrate 201 and the second substrate 202, and a driving electrode is formed between the first substrate 201 and the second substrate 202 to control The liquid crystal molecules are deflected, so that the display panel 20 displays images.
  • a spacer column 203 is also provided between the first substrate 201 and the second substrate 202.
  • the spacer column 203 is arranged at a position corresponding to the signal line 220 to support the panel and maintain the thickness of the box.
  • the display panel 20 is subjected to When an external force or pressure test is performed, the spacer column 203 will slide to the pixel area due to the force.
  • a groove 231 is provided on the flat layer 230 corresponding to a position close to the signal line 220, and, corresponding to the position of the groove 231, the electrode layer The thickness of 250 is less than or equal to the depth of the groove 231, and the electrode layer 250 is arranged in the groove 231 to prevent the breakage of the spacer column 203, resulting in abnormal driving and display failure.
  • the depth of the groove 231 is 0.1um-0.5um greater than the thickness of the electrode layer 250, the depth of the groove 231 is set to be greater than the thickness of the electrode layer 250, and the depth of the groove 231 The difference from the thickness of the electrode layer 250 near the signal line 220 ranges from 0.1 um to 0.5 um.
  • the depth of the groove 231 is set to be greater than the thickness of the electrode layer 250, so that the upper surface of the electrode layer 250 located in the groove 231 is lower than the upper surface of the flat layer 230 at the position of the notch, so that,
  • the upper surface of the electrode layer 250 near the position of the signal line 220 is lower than the upper surface of the flat layer 230, so even if the spacer column 203 slides, it will not contact the upper surface of the electrode layer 250.
  • the electrode layer 250 will not be broken by the pressure of the spacer columns 203 , and the electrode layer 250 will not be scratched or worn, which further improves the stability of the display panel 20 .
  • the notch width of the groove 231 is smaller than the cross-sectional width of the spacer column 203, even if the spacer column 203 slides under force, it will not fall into the groove 231, and will not contact the electrode layer 250, thereby preventing the electrode layer 250 from being damaged.
  • the groove 231 is generally arranged in a strip shape, and the electrode layer 250 near the signal line 220 is arranged in the groove 231 .
  • the electrode layer 250 in the area close to the spacer column 203 They are all arranged in the groove 231, no matter which direction the spacer column 203 slides along the signal line 220, the damage to the electrode layer 250 can be avoided, and the groove 231 is strip-shaped, which has a certain guiding effect, so that the spacer column 203 slides , will slide along the extension direction of the groove 231, that is, slide in the direction parallel to the signal line 220, so as to prevent the spacer column 203 from sliding into the pixel area, and further avoid the problem of driving abnormality caused by the damage of the electrode layer 250.
  • the area where the groove 231 is provided is within a width range of about 20 um near the position of the signal line 220 , while preventing scratches on the electrode layer 250 , it does not affect the topography of the central area of the pixel area.
  • the electrode layer 250 includes a pixel electrode 260 and a common electrode 270
  • the pixel electrode 260 includes a first trunk 261 and a plurality of first branches 262, and the plurality of first branches 262 Arranged at intervals and connected to the first trunk 261 in a comb-like structure
  • the common electrode 270 includes a second trunk 271 and a plurality of second branches 272, and the plurality of second branches 272 are arranged at intervals and connected to the second trunk 271 in a comb-like structure structure
  • the pixel electrode 260 and the common electrode 270 are arranged oppositely, and a plurality of first branches 262 and a plurality of second branches 272 are alternately arranged to form a horizontal electric field
  • the groove 231 is arranged corresponding to the position of the electrode layer 250 close to the signal line 220, To accommodate the portion of the pixel electrode 260 and/or the common electrode 270 close to the signal line 220 .
  • a plurality of branches 252 are perpendicular to the trunk 251 to form a comb structure in which the plurality of branches 252 are parallel to each other, and the pixel electrode 260 and the common electrode 270 are both in a comb structure parallel to each other, taking the formation of a horizontal electric field as an example .
  • the signal line 220 includes a data line 221, and the data line 221 is arranged along a first direction.
  • the groove 221 includes at least one first bar-shaped groove 232, and the first bar-shaped groove 232 extends along the first direction.
  • the branch 262 or the second branch 272 is disposed in the first strip groove 234 .
  • the signal line 220 further includes scanning lines 222 arranged along the second direction, the groove 231 includes at least one second strip-shaped groove 235 extending along the second direction, and the first trunk 261 Or the second trunk 271 is disposed in the second bar-shaped groove 235, the first direction is perpendicular to the second direction, and the first direction is a vertical direction, and the second direction is a horizontal direction.
  • the pixel electrode 260 and the common electrode 270 are both comb-shaped, with a trunk 251 and a plurality of branches 252 .
  • the shape of the common electrode 270 is matched.
  • the groove 231 includes at least one first strip-shaped groove 234.
  • the first strip-shaped groove 234 extends along a first direction.
  • the first direction is a direction parallel to the data line 221.
  • the first strip-shaped groove 234 It is an elongated structure, and the first branch 262 or the second branch 272 close to the position of the data line 221 is arranged in the first strip groove 234 to prevent the electrode from being scratched when the spacer column 203 provided corresponding to the data line 221 slides Layer 250.
  • the groove also includes a second strip-shaped groove 235, the second strip-shaped groove 235 extends along the second direction, the second direction is the direction parallel to the scanning line 222, the second strip-shaped groove 235 is an elongated
  • the main groove is provided with multiple sub-grooves along the direction of the first branch 262 or the second branch 272.
  • the length range of the sub-grooves is set at 5um to 15um, and only part of the branches 252 close to the trunk 251 are set in the sub-grooves.
  • the width of the main groove and the sub-groove is set to be smaller than the cross-sectional width of the spacer column 203, the first trunk 261 or the second trunk 271, and part of the first branch 262 or the second branch 272 are all arranged in the second bar-shaped groove 235 , when the spacer column 203 slides to the position of the notch, the groove 231 will support the spacer column 203 and will not fall into the groove 231 , therefore, the electrode layer 250 in the groove 231 will not be damaged.
  • the second bar-shaped groove 235 can also be a rectangular groove, and the first trunk 261 (or the second trunk 271) and the first branch 262 near the first trunk 261 (or the second branch near the second trunk 271) are connected.
  • the branches 272) are all arranged in the rectangular groove.
  • the present application has also made a certain design on the width of the groove 231. Specifically, at the position corresponding to the groove 231, the width of the groove 231 along the arrangement direction of the signal lines is set to be larger than that of the electrode layer 250. , and the difference between the notch width of the groove 231 and the width of the electrode layer 250 is in the range of 2um to 15um, that is, the difference between the notch width of the main groove and the vertical width of the first trunk 261 The value range is 2um ⁇ 15um, so that when the groove 231, the pixel electrode 260 and the common electrode 270 are located in the groove 231, a gap is formed between the electrode layer 250 and the groove wall of the groove 231, and setting the gap can avoid the manufacturing process.
  • the pixel electrode 260 and/or the common electrode 270 In order to prevent the pixel electrode 260 and/or the common electrode 270 from being too wide, they cannot be completely disposed in the groove 231, so that the material for the pixel electrode 260 and/or the common electrode 270 is accumulated at the notch of the groove 231, Uneven thickness occurs, which in turn makes the electric field uneven, resulting in the problem of uneven image quality.
  • the first substrate 201 further includes a color filter layer 240.
  • the color filter layer 240 is arranged between the substrate 210 and the flat layer 230.
  • the color filter layer 240 is provided with a plurality of different colors of Color resistance layer, the color filter layer 240 includes at least a first color resistance layer 241, the thickness of the first color resistance layer 241 near the signal line 220 is greater than the thickness of the position away from the signal line 220; the groove 231 includes a first groove 232, The first groove 232 corresponds to the edge position of the first color resist layer 241 , and the electrode layer 250 is disposed in the first groove 232 .
  • the first substrate 201 is also provided with a color filter layer 240, that is, the first substrate 201 is a COA substrate, and at this time the second substrate 202 is an opposing substrate, which may be a glass substrate, and the COA substrate is During manufacture, since the color filter layer 240 is formed by a plurality of color-resist layers of different colors, usually including red (R), green (G) and blue (B) color-resist layers, at least three processes are required.
  • R red
  • G green
  • B blue
  • the thickness of the color-resist layer will be uneven, that is, the thickness of the color-resist layer near the signal line 220 is greater than the thickness of other positions, showing a "concave" with low middle and high sides.
  • Shaped structure at this time, when the flat layer 230 is made on the color filter layer 240, the flat layer 230 will also present a concave shape corresponding to the concave position, so that the upper surface of the flat layer 230 is not smooth, so that the concave position
  • the electrode layer 250 at the position is equivalent to being set on a slope, especially when the color-resist layer produced in the last step, the concave shape is more serious, so this embodiment only sets the concave shape on the color-resist layer produced in the last step. Slot 231.
  • the first color-resist layer 241 is a B color-resist layer, and may also be an R color-resist layer or a G color-resist layer, and the groove 231 includes the first color-resist layer.
  • the first groove 232 corresponds to the edge position of the first color-resist layer 241, and is set close to the position of the signal line 220, and the electrode layer 250 corresponding to the position of the first color-resist layer 241 is set in the first groove 232, to avoid the problem of pressure fracture or surface damage of the electrode layer 250 at the position of the first color resistance layer 241.
  • the first groove 232 is arranged at the position of the first color resistance layer 241 close to the signal line 220, that is, the production At the position where the first color resist layer 241 has a concave structure with high sides, at this time, the position of the electrode layer 250 close to the signal line 220 is set in the first groove 232, which is equivalent to lowering the position of the electrode layer 250, It is also beneficial for the position of the electrode layer 250 close to the signal line 220 to be flush with the upper surface of other positions, or close to a flush state, and it is also conducive to improving the stability of the electric field of the display panel 20 .
  • the electrode layer 250 close to the position of the signal line 230 is all arranged in the first groove 232, that is, the first groove 232 may include the first strip-shaped groove 234 and/or the second strip-shaped groove 235, which will be close to the scanning
  • the first trunk 261 or the second trunk 271 at the position of the line 222 is arranged in the second bar-shaped groove 235, and/or the first branch 262 or the second branch 272 near the position of the data line 221 is arranged in the first bar-shaped groove 234
  • the display panel 20 can also withstand greater pressure, which is especially suitable for outdoor screens or touch screens.
  • the groove 231 when the groove 231 is formed on the flat layer 230 , it can be fabricated by half-tone masking process or ashing process, so that the flat layer 230 corresponding to the position close to the signal line 220 is relatively thin, and the groove 231 is formed.
  • the thickness of the flat layer 230 is uniform, and the groove 231 may also be formed on other film layers on the first substrate 201 , so that the flat layer 230 is embedded therein to form the groove 231 .
  • the spacer column 203 is far away from the electrode layer 250 near the data line 221, and when the spacer column 203 slides, it usually does not touch the electrode layer 250.
  • the first strip-shaped groove 234 is provided, that is, the first strip-shaped groove 234 is generally only provided at a position close to the scanning line 222 . Or set the first bar-shaped groove 234 and/or the second bar-shaped groove 235 according to the actual pressure on the display panel 20, so as to make the display panel 20 more adaptable.
  • the display panel 20 is a fringe field switching (FPS) display panel, and the display panel 20 also includes a conductive layer 253,
  • the conductive layer 253 is arranged between the substrate 210 and the signal line 220.
  • the conductive layer 253 is a monolithic electrode and forms a fringe electric field with the electrode layer 250; the groove 231 is arranged corresponding to the position of the electrode layer 250 close to the signal line 220 to accommodate the electrode A portion of the layer 250 close to the signal line 220 .
  • the display panel 20 is an FPS display panel, and the electrode layer 250 and the conductive layer 253 form a fringe electric field to drive the liquid crystal to deflect, so that the display panel 20 displays images, and the electrode layer 250 and the conductive layer 253 are located in different layers.
  • the position of the electrode layer 250 close to the signal line 220 is provided with a groove 231, so that the part of the electrode layer 250 close to the signal line 220 is placed in the groove 231, so as to prevent the driving abnormality caused by scratching the electrode layer 250 when the spacer column 203 slides Phenomenon, avoid display abnormality, and improve the stability of the display panel 20 .
  • the electrode layer 250 may be a pixel electrode (or a common electrode), and the conductive layer 253 is a common electrode (or a pixel electrode), so as to form a fringe electric field.
  • FIG. 5 is a schematic top view of a display panel according to Embodiment 3 of the present application.
  • Two sub-branches 264 one end of the first sub-branch 263 is connected to the first trunk 261, the other end is connected to the second sub-branch 264, and the first obtuse angle is set between the first sub-branch 263 and the second sub-branch 264;
  • a second branch 272 includes a third sub-branch 273 and a fourth sub-branch 274, one end of the third sub-branch 273 is connected to the second trunk 271, the other end is connected to the fourth sub-branch 274, and the third sub-branch 273 is connected to the second trunk 274.
  • the four sub-branches 274 are arranged at a second obtuse angle; the first obtuse angle is equal to the second obtuse angle, and the setting range of the first obtuse angle is 150° ⁇ 166°.
  • each branch 252 includes a first sub-branch 263 and a second sub-branch 264, and the two ends of the first sub-branch 263 are connected to the trunk 251 It is connected with the second sub-branch 264, and the angle between the first sub-branch 263 and the second sub-branch 264 is an obtuse angle, which is a V-shaped structure, that is, the pixel electrode 260 and the common electrode 270 are both in a V-shaped comb shape structure, and the obtuse angle in the V-shaped structure is 150°-166°, within this range, the stability of the electric field and the driving effect of the liquid crystal are better, and, corresponding to the shape of the pixel electrode 260 and the common electrode 270, correspondingly set the concave
  • Fig. 6 is a schematic cross-sectional view of a display panel according to Embodiment 4 of the present application
  • Fig. 7 is a schematic top view of a groove according to Embodiment 4 of the present application
  • Fig. 8 is a schematic cross-sectional view along the CC' direction in Fig. 7 , combined with Fig. 7-Fig.
  • the first substrate 201 is an array substrate
  • the second substrate 202 is a color filter substrate
  • the groove 231 includes a second groove 233, and the groove wall of the second groove 233 on the side close to the signal line 220 is perpendicular to the array substrate;
  • the groove wall of the groove 233 away from the signal line 220 is configured as a slope or a stepped surface, and the electrode layer 250 is disposed in the second groove 233 .
  • the first substrate 201 is an array substrate
  • the second substrate 202 is a color filter substrate.
  • the flat layer 230 on the array substrate can also be a passivation layer, that is, the groove 231 is made on the passivation layer.
  • the color The filter layer 240 can be made on the color filter substrate, and the passivation layer generally does not have the problem of uneven thickness or uneven upper surface of the passivation layer. Therefore, the groove 231 includes a second groove 233, and the second The groove 233 can be made on the passivation layer.
  • the electrode layer 250 includes a comb-shaped structure and a pixel electrode 260 and a common electrode 270 that are arranged in a relatively buckled manner.
  • the groove 233 is arranged at a position close to the signal line 220
  • the second groove 233 may also include a first bar-shaped groove 234 or a second bar-shaped groove 235 , and the first stem 261 and the second stem 271 are arranged in the second groove 233 , or the first branch 262 or the second branch 272 is arranged in the second groove 233, and the groove wall of the second groove 233 close to the position of the signal line 220 is a vertical plane parallel to the direction from the array substrate to the color filter substrate,
  • the groove wall on the side away from the signal line 220 is set as a slope or a stepped surface.
  • the inclined plane is taken as an example.
  • the inclined plane can only be arranged on the second groove 233, corresponding to the joint between the trunk 251 and the branch 252, and the side wall at the position where the trunk 251 extends to the branch 252, so as to prevent the branch 252 or the branch 252 from connecting with the trunk 251.
  • the problem of disconnection at the connection point can further improve the stability of the display panel 20 .
  • the second groove 233 is only provided near the signal line 220, and the second groove 233 is strip-shaped, wherein the second groove 233 is far away from the signal line 220-
  • the groove wall on the side is set as a slope to prevent the spacer column 203 from scratching the electrode layer 250 , causing the electrode layer 250 to break, and at the same time prevent the electrode layer 250 from being disconnected.
  • Fig. 9 is a schematic top view of the display panel according to Embodiment 5 of the present application.
  • the display panel 20 is a vertical alignment type (VA)
  • the backbone 251 is in the shape of a square
  • the backbone 251 includes horizontal alignment.
  • the horizontal portion and the vertical portion arranged in the vertical direction; one end of a plurality of branches 252 is respectively connected with the horizontal portion and/or the vertical portion, and the other end extends in different directions to form a plurality of domains;
  • the groove 231 includes a back-shaped The groove, at least the edge of the trunk 251 is set in the back-shaped groove.
  • the display panel 20 is a VA display panel 20
  • the first substrate 201 can be an array substrate
  • the second substrate 202 can be a color filter substrate or an opposite substrate
  • the electrode layer 250 can be a pixel electrode
  • the trunk 251 is in the shape of a square.
  • a plurality of branches 252 are located inside the Tian-shaped trunk 251.
  • the groove 231 includes a back-shaped groove, and a circle can be set corresponding to the Tian-shaped structure of the electrode layer 250, and the edge of the trunk 251 is arranged in the groove 231
  • grooves 231 are also provided corresponding to the positions of a plurality of branches 252, and part of the branches 252 are also arranged in the grooves 231, so as to prevent the electrode layer 250 from being scratched when the spacer column 203 slides, and can also prevent the electrode layer 250 from being broken under pressure, thereby improving The stability of the display panel 20.
  • the first substrate 201 is a COA substrate
  • grooves 231 of different depths can be provided corresponding to different color resist layers, so as to improve the effect of preventing abnormal driving caused by damage to the electrode layer 250 .
  • FIG. 10 is a schematic cross-sectional view of the display device of the present application.
  • the present application also discloses a display device 10, including a backlight module 30 and any display panel 20 disclosed in the present application.
  • the backlight module 30 is arranged on The side away from the light-emitting surface of the display panel 20 .
  • the display device 10 can be products such as computers, televisions, and display screens.
  • the display panel 20 in the display device 10 is a liquid crystal display panel 20, and the backlight module 30 provides a light source for it to display images.
  • the display panel 20 The use of the display panel 20 in any embodiment avoids the driving abnormal phenomenon caused by the electrode layer 250 being damaged or broken due to the sliding of the spacer column 203, the stability of the display panel 20 is good, and the display abnormality of the display device 10 is further reduced. , or issues that show failures, the overall performance is stronger.
  • the technical scheme of the present application can be widely used in various display panels, such as TN (Twisted Nematic, twisted nematic) display panel, IPS (In-Plane Switching, plane conversion type) display panel, VA (Vertical Alignment, vertical alignment type) ) display panel, MVA (Multi-Domain Vertical Alignment, multi-quadrant vertical alignment type) display panel, the above scheme can be applied.
  • TN Transmission Nematic, twisted nematic
  • IPS In-Plane Switching, plane conversion type
  • VA Very Alignment, vertical alignment type
  • MVA Multi-Domain Vertical Alignment, multi-quadrant vertical alignment type

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Abstract

一种显示面板(20)和显示装置(10)，显示面板(20)包括第一基板(201)、第二基板(202)和间隔柱(203)，第一基板(201)包括衬底(210)、信号线(220)、平坦层(230)和电极层(250)，电极层(250)至少包括主干(251)和多个分支(252)，多个分支(252)间隔设置，且与主干(251)连接，平坦层(230)靠近间隔柱(203)的区域设置有凹槽(231)，靠近间隔柱(203)的区域的电极层(250)嵌入凹槽(231)内。

Description

显示面板和显示装置
本申请要求于2021年12月30日提交中国专利局，申请号为CN202111653750.5，申请名称为“显示面板和显示装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及显示技术领域，尤其涉及一种显示面板和显示装置。
背景技术
这里的陈述仅提供与本申请有关的背景信息，而不必然地构成现有技术。
在现有的液晶显示面板中，通常都是由阵列基板、彩膜基板以及夹设在阵列基板和彩膜基板之间的液晶层组成，阵列基板上还设置有控制液晶偏转的电路布线，比如像素电极，像素电极位于显示区内，通常都是由透明导电的氧化铟锡(ITO)材料来制备的，它具有透过率高的优点，但是其脆性较大，受外力的作用很容易发生裂纹；阵列基板与彩膜基本之间还设置有间隔柱，维持两个基板之间盒厚稳定的效果，一般情况下间隔柱不会与像素电极接触，但是在外力的作用下，间隔柱会产生滑动，进而侵入到显示区的边缘，会与像素电极接触，进而对像素电极造成压应力，引起断裂，使得显示面板驱动发生异常，引起显示失效，造成客户损伤，影响公司声誉。
因此，防止由于间隔柱滑动，造成像素电极受压断裂，导致驱动异常，引起显示失效成为人们亟待解决的问题。
发明内容
本申请的目的是提供一种显示面板和显示装置。
本申请公开了一种显示面板，包括第一基板、第二基板和间隔柱，所述第一基板和所述第二基板对盒设置，所述间隔柱位于所述第一基板和所述第二基板之间；所述第一基板包括衬底、信号线、平坦层和电极层，所述信号线设置在所述衬底上，所述信号线设置有多条，且多条所述信号线交错形成多个像素区；所述平坦层设置在所述信号线上，所述间隔柱的一端设置在所述第二基板上，另一端抵接在所述平坦层上；所述电极层设置在所述平坦层上，且位于所述像素区内；所述电极层至少包括主干和多个分支，多个所述分支间隔设置，且与所述主干连接；所述平坦层靠近所述间隔柱的区域设置有凹槽，且所述凹槽与所述电极层相对应，以使靠近所述间隔柱的区域的所述电极层嵌入所述凹槽内。
本申请还公开了一种显示面板，包括第一基板、第二基板和间隔柱，所述第一基板和所述第二基板对盒设置，所述间隔柱位于所述第一基板和所述第二基板之间；所述第一基板包括衬底、信号线、平坦层和电极层；所述信号线设置在所述衬底上，所述信号线设置有多条，且多条所述信号线交错形成多个像素区；所述平坦层设置在所述信号线上，所述间隔柱的一端设置在所述第二基板上，另一端抵接在所述平坦层上；所述电极层设置在所述平坦层上，且位于所述像素区内；所述电极层至少包括主干和多个分支，多个所述分支间隔设置，且与所述主干连接；所述平坦层靠近所述间隔柱的区域设置有凹槽，且所述凹槽与所述电极层相对应，以使靠近所述间隔柱的区域的所述电极层嵌入所述凹槽内；所述显示面板为水平转换型，所述电极层包括像素电极和公共电极，所述像素电极包括第一主干和多个第一分支，多个所述第一分支间隔设置，且与所述第一主干连接呈梳状结构；所述公共电极包括第二主干和多个第二分支，多个所述第二分支间隔设置，且与所述第二主干连接呈梳状结构；所述像素电极和所述公共电极相对设置，且多个所述第一分支与多个所述第二分支交替排布，以形成水平电场；所述凹槽对应所述电极层靠近所述信号线的位置设置，以容纳所述像素电极和/或所述公共电极靠近所述信号线的部分；所述信号线包括数据线，所述数据线沿第一方向排布，所述凹槽包括至少一个第一条形槽，所述第一条形槽沿所述第一方向延伸，至少一条所述第一分支或闪烁第二分支设置在所述第一条形槽内；所述信号线包括扫描线，所述扫描线沿第二方向排布，所述凹槽包括至少一个第二条形槽，所述第二条形槽沿所述第二方向延伸，所述第一主干或所述第二主干设置在所述第二条形槽内，第一方向与第二方向垂直，且第一方向为竖直方向，第二方向为水平方向。
本申请还公开了一种显示装置，包括背光模组和显示面板，所述背光模组设置在远离所述显示面板出光面的一侧，所述显示面板包括第一基板、第二基板和间隔柱，所述第一基板和所述第二基板对盒设置，所述间隔柱位于所述第一基板和所述第二基板之间；所述第一基板包括衬底、信号线、平坦层和电极层；所述信号线设置在所述衬底上，所述信号线设置有多条，且多条所述信号线交错形成多个像素区；所述平坦层设置在所述信号线上，所述间隔柱的一端设置在所述第二基板上，另一端抵接在所述平坦层上；所述电极层设置在所述平坦层上，且位于所述像素区内；所述电极层至少包括主干和多个分支，多个所述分支间隔设置，且与所述主干连接；所述平坦层靠近所述间隔柱的区域设置有凹槽，且所述凹槽与所述电极层相对应，以使靠近所述间隔柱的区域的所述电极层嵌入所述凹槽内。
相对于间隔柱滑动，造成像素电极受压引起断裂，导致驱动异常的方案来说，本申请在平坦层上，靠近信号线的位置设置凹槽，将电极层设置在凹槽内，避免间隔柱受到外力滑动，滑向显示区进而划伤电极层，由于电极层设置在凹槽内，并且，当电极层的厚度等于凹槽的深度，电极层的上表面与平坦层的上表面位于同一平面，这样，间隔柱滑动时，仅会与导电 层的上表面接触，即使电极层的上表面受压磨损，凹槽内的电极层依然可以正常导通，避免显示面板驱动异常；或当电极层的厚度小于凹槽的深度时，电极层的上表面低于平坦层的上表面，凹槽不仅可以防止电极层受压导致的断裂问题，还可以防止间隔柱进一步滑动，避免其他位置电极层受压损伤，进而增强了显示面板的稳定性。
附图说明
所包括的附图用来提供对本申请实施例的进一步的理解，其构成了说明书的一部分，用于例示本申请的实施方式，并与文字描述一起来阐释本申请的原理。显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。在附图中：
图1是本申请实施例一显示面板的俯视示意图；
图2是本申请实施例一电极层的俯视示意图；
图3是图2沿A-A’方向的截面示意图；
图4是本申请实施例二显示面板的截面示意图；
图5是本申请实施例三显示面板的俯视示意图；
图6是本申请实施例四显示面板的截面示意图；
图7是本申请实施例四凹槽的俯视示意图；
图8是图7中沿C-C’方向的截面示意图；
图9是本申请实施例五显示面板的俯视示意图；
图10是本申请显示装置的截面示意图。
具体实施方式
需要理解的是，这里所使用的术语、公开的具体结构和功能细节，仅仅是为了描述具体实施例，是代表性的，但是本申请可以通过许多替换形式来具体实现，不应被解释成仅受限于这里所阐述的实施例。
在本申请的描述中，术语“第一”、“第二”仅用于描述目的，而不能理解为指示相对重要性，或者隐含指明所指示的技术特征的数量。由此，除非另有说明，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征；“多个”的含义是两个或两个以上。术语“包括”及其任何变形，意为不排他的包含，可能存在或添加一个或更多其他特征、整数、步骤、操作、单元、组件和/或其组合。
另外，“中心”、“横向”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、 “外”等指示的方位或位置关系的术语，是基于附图所示的方位或相对位置关系描述的，仅是为了便于描述本申请的简化描述，而不是指示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
此外，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，或是两个元件内部的连通。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
下面参考附图和可选的实施例对本申请作详细说明，需要说明的是,在不相冲突的前提下,以下描述的各实施例之间或各技术特征之间可以任意组合形成新的实施例。
图1是本申请实施例一显示面板的俯视示意图，图2是本申请实施例一电极层的俯视示意图，图3是图2沿A-A’方向的截面示意图，参考图1-图3可知，本申请公开了一种显示面板20，显示面板20包括第一基板201、第二基板202和间隔柱203，第一基板201和第二基板202对盒设置，间隔柱203位于第一基板201和第二基板202之间；第一基板201包括衬底210、信号线220、平坦层230和电极层250，信号线220设置在衬底210上，信号线220设置有多条，且多条信号线220交错形成多个像素区；平坦层230设置在信号线220上，间隔柱203的一端设置在第二基板202上，另一端抵接在平坦层230上；电极层250设置在平坦层230上，且位于像素区内；电极层250至少包括主干251和多个分支252；多个分支252间隔设置，且与主干251连接；平坦层230靠近间隔柱203的区域设置有凹槽231，且凹槽231与电极层250相对应，以使靠近间隔柱203的区域的电极层250嵌入凹槽231内。
相对于间隔柱203滑动，造成像素电极260受压引起断裂，导致驱动异常的方案来说，本申请在平坦层230上，靠近信号线220的位置设置凹槽231，将电极层250设置在凹槽231内，避免间隔柱203受到外力滑动，滑向显示区进而划伤电极层250，由于电极层250设置在凹槽231内，并且，当电极层250的厚度等于凹槽231的深度，电极层250的上表面与平坦层230的上表面位于同一平面，这样，间隔柱203滑动时，仅会与导电层250的上表面接触，即使电极层250的上表面受压磨损，凹槽231内的电极层250依然可以正常导通，避免显示面板20驱动异常；或当电极层250的厚度小于凹槽231的深度时，电极层250的上表面低于平坦层230的上表面，凹槽231不仅可以防止电极层250受压导致的断裂问题，还可以防止间隔柱203进一步滑动，避免其他位置电极层250受压损伤，进而增强了显示面板20的稳定性。
本申请中，显示面板20作为液晶显示面板20，在第一基板201和第二基板202之间还设置有液晶层204，通过第一基板201和第二基板202之间形成驱动电极，以控制液晶分子偏转，使得显示面板20显示画面。在第一基板201和第二基板202之间还设置有间隔柱203， 通常间隔柱203设置在对应信号线220的位置，以起到支撑面板，维持盒厚的效果，但是，显示面板20受到外力或进行压力测试时，间隔柱203由于受力会滑向像素区，本申请中，在平坦层230对应靠近信号线220的位置设置凹槽231，并且，对应凹槽231的位置，电极层250的厚度小于等于凹槽231的深度，将电极层250设置在凹槽231内，防止间隔柱203断裂，造成驱动异常，而导致显示失效。
可选的，对应凹槽231的位置，凹槽231的深度比电极层250的厚度大0.1um～0.5um，将凹槽231的深度设置为大于电极层250的厚度，且凹槽231的深度与电极层250靠近信号线220位置的厚度之间的差值范围为0.1um～0.5um。本实施方式中，将凹槽231的深度设置为大于电极层250的厚度，使得位于凹槽231内的电极层250的上表面，低于槽口位置的平坦层230的上表面，进而使得，在显示面板20正常对盒情况下，靠近信号线220位置的电极层250的上表面低于平坦层230的上表面，因而，即使间隔柱203滑动也不会与电极层250的上表面接触，电极层250也不会受到间隔柱203的压力而断裂，更不会出现电极层250被划伤或磨损的问题，进一步提高了显示面板20的稳定性。
并且，凹槽231的槽口宽度小于间隔柱203的横截面宽度，即使间隔柱203受力滑动也不会落入凹槽231内，更不会与电极层250接触，进而防止电极层250受压断裂的问题。凹槽231通常设置为条状，且靠近信号线220处的电极层250均设置在凹槽231内。由于显示面板20的受力时随机的，而间隔柱203滑动的方向也是随机的，因此，为了避免电极层250受压断裂的问题，本实施方式中，将靠近间隔柱203区域的电极层250均设置在凹槽231内，不管间隔柱203沿信号线220的哪个方向滑动，都可以避免电极层250损伤，而且凹槽231为条状，具有一定的导向作用，使得间隔柱203在滑动时，会顺着凹槽231的延长方向滑动，即与信号线220平行的方向滑动，避免间隔柱203向像素区内滑动，进一步避免电极层250损伤造成驱动异常的问题。
通常，设置凹槽231的区域，为靠近信号线220的位置约20um的宽度范围内，在防止电极层250划伤的同时，还不影响像素区中心区域的地形。
以显示面板20为水平转换型(IPS)显示面板为例，电极层250包括像素电极260和公共电极270，像素电极260包括第一主干261和多个第一分支262，多个第一分支262间隔设置，且与第一主干261连接呈梳状结构；公共电极270包括第二主干271和多个第二分支272，多个第二分支272间隔设置，且与第二主干271连接呈梳状结构；像素电极260和公共电极270相对设置，且多个第一分支262与多个第二分支272交替排布，以形成水平电场；凹槽231对应电极层250靠近信号线220的位置设置，以容纳像素电极260和/或公共电极270靠近信号线220的部分。
本实施例中，以多个分支252与主干251垂直，形成多个分支252相互平行的梳状结构， 且像素电极260和公共电极270均为相互平行的梳状结构，以形成水平电场为例。
具体地，信号线220包括数据线221，数据线221沿第一方向排布，凹槽221包括至少一个第一条形槽232，第一条形槽232沿第一方向延伸，至少一条第一分支262或第二分支272设置在第一条形槽234内。而且，信号线220还包括扫描线222，扫描线222沿第二方向排布，凹槽231包括至少一个第二条形槽235，第二条形槽235沿第二方向延伸，第一主干261或第二主干271设置在第二条形槽235内，第一方向与第二方向垂直，且第一方向为竖直方向，第二方向为水平方向。
如图2示出，像素电极260和公共电极270均为梳状，具有主干251和多个分支252，本申请对凹槽231的形状还做了一些设计，使得凹槽231与像素电极260和公共电极270的形状配合，凹槽231包括至少一个第一条形槽234，第一条形槽234沿第一方向延伸，第一方向为与数据线221平行的方向，第一条形槽234为一长条形结构，将靠近数据线221位置的第一分支262或第二分支272设置在第一条形槽234内，以防止对应数据线221设置的间隔柱203滑动时，划伤电极层250。
同时，凹槽还包括第二条形槽235，第二条形槽235沿第二方向延伸，第二方向即为与扫描线222平行的方向，第二条形槽235为一长条形的主槽，同时沿着第一分支262或第二分支272的方向设置有多个子槽，子槽的长度范围设置在5um～15um，仅将靠近主干251的部分分支252设置在子槽内，同时，将主槽和子槽的宽度均设置为小于间隔柱203的横截面宽度，将第一主干261或第二主干271，以及部分第一分支262或第二分支272均设置在第二条形槽235内，当间隔柱203滑动到槽口的位置时，凹槽231将间隔柱203支撑起来，不会陷入到凹槽231内，因此，更不会使得凹槽231内的电极层250损伤。当然，第二条形槽235也可以是一个矩形槽，将第一主干261(或第二主干271)和靠近第一主干261处的第一分支262(或靠近第二主干271处的第二分支272)均设置在矩形槽内。
此外，本申请还对凹槽231的宽度还做了一定的设计，具体地，对应凹槽231的位置处，将凹槽231沿信号线的排布方向的槽口宽度设置为大于电极层250的宽度，且凹槽231的槽口宽度与电极层250的宽度之间的差值范围为2um～15um，即主槽的槽口宽度与第一主干261沿竖直方向的宽度之间的差值范围为2um～15um，使得凹槽231与像素电极260和公共电极270位于凹槽231内时，电极层250与凹槽231的槽壁之间还形成有间隙，设置该间隙可以避免制作过程中产生的误差，防止像素电极260和/或公共电极270过宽，不能完全设置在凹槽231内，使得像素电极260和/或公共电极270的制作材料在凹槽231的槽口位置堆积，出现厚度不均匀，进而使得电场不均匀，出现画质不均的问题。
具体地，第一基板201还包括彩色滤光层240，彩色滤光层240设置在衬底210与平坦层230之间，对应像素区的位置，彩色滤光层240设置有多种不同颜色的色阻层，彩色滤光 层240至少包括第一色阻层241，第一色阻层241靠近信号线220位置的厚度大于远离信号线220位置的厚度；凹槽231包括第一凹槽232，第一凹槽232与第一色阻层241的边缘位置对应，电极层250设置在第一凹槽232内。
本实施方式中，第一基板201上还设置有彩色滤光层240，即第一基板201为COA基板，此时第二基板202为对置基板，对置基板可以是玻璃基板，COA基板在制作时，由于彩色滤光层240由多种不同颜色的色阻层形成，通常包括红色(R)、绿色(G)和蓝色(B)色阻层组成，因此，至少要通过三道制程形成，由于色阻材料具有流平性，因此，色阻层会出现厚度不均匀的情况，即色阻层在靠近信号线220位置的厚度大于其他位置的厚度，呈现中间低两边高的“凹形结构”，此时在彩色滤光层240上制作平坦层230时，平坦层230对应该凹形位置也会呈现凹形形状，使得平坦层230的上表面不平整，这样，该凹形位置处的电极层250就相当于设置在了一个斜坡上面，尤其是最后一步制作的色阻层时，该凹形程度更严重，因此，本实施例仅在最后一个制作的色阻层上设置凹槽231。
以最后一个制作的色阻层为第一色阻层241为例，通常第一色阻层241为B色阻层，也可以是R色阻层或G色阻层，凹槽231包括第一凹槽232，第一凹槽232与第一色阻层241的边缘位置对应，且靠近信号线220的位置设置，将对应第一色阻层241位置的电极层250均设置在第一凹槽232内，避免对于第一色阻层241位置的电极层250受压断裂或表面受损的问题，此外，第一凹槽232设置在第一色阻层241靠近信号线220的位置，即制作在第一色阻层241呈凹形结构两边高的位置，此时，电极层250靠近信号线220的位置设置在第一凹槽232内，相当于把电极层250所处的站位降低，还有利于电极层250靠近信号线220位置与其他位置的上表面齐平，或者接近齐平状态，还有利于提高显示面板20的电场稳定性。
优选的，将靠近信号线230位置的电极层250均设置在第一凹槽232内，即第一凹槽232可以包括第一条形槽234和/或第二条形槽235，将靠近扫描线222位置的第一主干261或第二主干271均设置在第二条形槽235内，和/或靠近数据线221位置的第一分支262或第二分支272设置在第一条形槽234内，以防止间隔柱203划伤电极层250，以提高显示面板20的稳定性，此时，显示面板20还可以承受更大压力，特别适用与户外屏或者触摸屏。
在实际制作时，当凹槽231制作在平坦层230上时，可以采用半色调掩膜工艺或灰化工艺制作，使得平坦层230对应靠近信号线220的位置比较薄，而形成凹槽231。当然，平坦层230的厚度均匀，也可以是第一基板201上的其他膜层上形成凹槽231，以使得平坦层230嵌入其中形成凹槽231。
在实际应用中，通常间隔柱203距离靠近数据线221位置的电极层250较远，在间隔柱203滑动时，通常不会接触到电极层250，因此，也可以在靠近数据线221的位置不设置第一条形槽234，即通常仅在靠近扫描线222的位置设置第一条形槽234。或者根据实际显示 面板20承受的压力大小设置第一条形槽234和/或第二条形槽235，以使得显示面板20适用性更强。
实施例二：
图4是本申请实施例二显示面板的截面示意图，参考图4可知，与实施例一不同的是，显示面板20为边缘场开关技术(FPS)显示面板，显示面板20还包括导电层253，导电层253设置在衬底210与信号线220之间，导电层253为整面性电极，与电极层250形成边缘电场；凹槽231对应电极层250靠近信号线220的位置设置，以容纳电极层250靠近信号线220的部分。
本实施方式中，显示面板20为FPS显示面板，电极层250与导电层253形成边缘电场，以驱动液晶偏转，使得显示面板20显示画面，并且电极层250与导电层253位于不同层，在对应电极层250靠近信号线220的位置设置凹槽231，以将电极层250靠近信号线220的部分设置在凹槽231内，以防止间隔柱203滑动时，划伤电极层250而导致的驱动异常现象，避免出现显示异常，提高显示面板20的稳定性。其中，电极层250可以是像素电极(或公共电极)，则导电层253为公共电极(或像素电极)，以形成边缘电场。
实施例三：
图5是本申请实施例三显示面板的俯视示意图，参考图5可知，与实施例一不同的是，像素电极260和公共电极270中，每个第一分支262包括第一子分支263和第二子分支264，第一子分支263的一端与第一主干261连接，另一端与第二子分支264连接，且第一子分支263与第二子分支264之间呈第一钝角设置；每个第二分支272包括第三子分支273和第四子分支274，第三子分支273的一端与第二主干271连接，另一端与第四子分支274连接，且第三子分支273与第四子分支274之间呈第二钝角设置；第一钝角等于第二钝角，且第一钝角的设置范围为150°～166°。
本实施方式中，对于每个梳状的像素电极260和公共电极270中，每个分支252均包括第一子分支263个第二子分支264，第一子分支263的两端分别与主干251和第二子分支264连接，并且第一子分支263与第二子分支264之间的夹角为钝角，呈V字型结构，即像素电极260和公共电极270均呈V字型的梳状结构，并且V字型结构中的钝角为150°～166°，在此范围内，电场的稳定性以及液晶的驱动效果更好，并且，对应像素电极260和公共电极270的形状，对应设置凹槽231的结构，即靠近数据线221的位置，当凹槽231为第一条形槽234时，第一条形槽234为两段条形槽组成，且将两段条形槽之间的夹角设置为150°～166°与分支252的形状匹配，或者靠近扫描线222位置，当凹槽231为第二条形槽235时，且第二条形槽235为主槽和多个子槽时，子槽与主槽之间也有一定的夹角，以使得靠近信号线220位置的电极层250均设置在凹槽231内，防止电极层250划伤效果更好。
实施例四：
图6是本申请实施例四显示面板的截面示意图，图7是本申请实施例四凹槽的俯视示意图，图8是图7中沿C-C’方向的截面示意图，结合图7-图9可知，第一基板201为阵列基板，第二基板202为彩膜基板，凹槽231包括第二凹槽233，第二凹槽233靠近信号线220一侧的槽壁垂直于阵列基板；第二凹槽233远离信号线220一侧的槽壁设置为斜面或阶梯面，电极层250设置在第二凹槽233内。
本实施方式中，第一基板201为阵列基板，第二基板202为彩膜基板，阵列基板上的平坦层230也可以是钝化层，即凹槽231做在钝化层上，此时彩色滤光层240可以制作在彩膜基板上，钝化层一般情况下不存在厚度不均匀，或钝化层上表面不齐平的问题，因此，凹槽231包括第二凹槽233，第二凹槽233可以是制作在钝化层上，以显示面板20为IPS型显示面板20为例，电极层250包括呈梳状结构且相对扣合设置的像素电极260和公共电极270，第二凹槽233设置在靠近信号线220的位置，第二凹槽233也可以包括第一条形槽234或第二条形槽235，第一主干261和第二主干271设置在第二凹槽233内，或第一分支262或第二分支272设置在第二凹槽233内，并且，第二凹槽233靠近信号线220位置的槽壁为自阵列基板向彩膜基板方向平行的竖直面，而远离信号线220一侧的槽壁设置为斜面或阶梯面。
本实施例以斜面为例，斜面可以仅设置在第二凹槽233，对应主干251与分支252连接处，主干251向分支252延伸位置处的侧壁，以防止分支252或分支252与主干251连接处断线的问题，进而提高显示面板20的稳定性。当然，当电极层250为一整层结构时，仅在靠近信号线220的位置设置第二凹槽233，且第二凹槽233为条状，其中，第二凹槽233远离信号线220一侧的槽壁设置为斜面，防止间隔柱203划伤电极层250，导致电极层250断裂的同时，还可以防止电极层250出现断线的问题。
实施例五：
图9是本申请实施例五显示面板的俯视示意图，参考图9可知，作为本申请的实施例五，显示面板20为垂直配向型(VA)，主干251为田字形，主干251包括水平方向设置的水平部和沿竖直方向设置的竖直部；多个分支252的一端分别与水平部和/或竖直部连接，另一端沿不同方向延伸形成多个畴；凹槽231包括回字型凹槽，至少主干251的边缘设置在回字型凹槽内。
本实施方式中，显示面板20为VA型显示面板20，第一基板201可以是阵列基板，第二基板202为彩膜基板或对置基板，电极层250可以是像素电极，主干251为田字形，多个分支252位于田字形主干251的内部，此时，凹槽231包括回字型凹槽，可以对应电极层250的田字形结构设置一圈，将主干251的边缘设置在凹槽231内，同时，对应多个分支252位置也设置凹槽231，将部分分支252也设置在凹槽231内，防止间隔柱203滑动时划伤电 极层250，也可以避免电极层250受压断裂，提高显示面板20的稳定性。此外，当第一基板201为COA基板时，还可以对应不同色阻层设置不同深度的凹槽231，以提高防止电极层250损伤造成驱动异常的效果。
图10是本申请显示装置的截面示意图，参考图10可知，本申请还公开了一种显示装置10，包括背光模组30和本申请公开的任意一种显示面板20，背光模组30设置在远离显示面板20出光面的一侧。
本实施方式中，显示装置10可以是电脑、电视、显示屏等产品，显示装置10中的显示面板20为液晶显示面板20，通过背光模组30为其提供光源，以显示画面，显示面板20采用任一实施例中的显示面板20，避免了由于间隔柱203滑动造成电极层250损伤或断裂，导致的驱动异常现象，显示面板20的稳定性好，进一步减小了显示装置10出现显示异常，或显示失效的问题，整体性能更强。
需要说明的是，本申请的构思可以形成非常多的实施例，但是申请文件的篇幅有限，无法一一列出，因而，在不相冲突的前提下，以上描述的各实施例之间或各技术特征之间可以任意组合形成新的实施例，各实施例或技术特征组合之后，将会增强原有的技术效果。
本申请的技术方案可以广泛用于各种显示面板，如TN(Twisted Nematic，扭曲向列型)显示面板、IPS(In-Plane Switching，平面转换型)显示面板、VA(Vertical Alignment，垂直配向型)显示面板、MVA(Multi-Domain Vertical Alignment，多象限垂直配向型)显示面板，均可适用上述方案。
以上内容是结合具体的可选实施方式对本申请所作的进一步详细说明，不能认定本申请的具体实施只局限于这些说明。对于本申请所属技术领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本申请的保护范围。

Claims (20)

  1. 一种显示面板，包括第一基板、第二基板和间隔柱，所述第一基板和所述第二基板对盒设置，所述间隔柱位于所述第一基板和所述第二基板之间；所述第一基板包括衬底、信号线、平坦层和电极层；
    所述信号线设置在所述衬底上，所述信号线设置有多条，且多条所述信号线交错形成多个像素区；
    所述平坦层设置在所述信号线上，所述间隔柱的一端设置在所述第二基板上，另一端抵接在所述平坦层上；
    所述电极层设置在所述平坦层上，且位于所述像素区内；
    所述电极层至少包括主干和多个分支，多个所述分支间隔设置，且与所述主干连接；
    所述平坦层靠近所述间隔柱的区域设置有凹槽，且所述凹槽与所述电极层相对应，以使靠近所述间隔柱的区域的所述电极层嵌入所述凹槽内。
  2. 根据权利要求1所述的显示面板，其中，所述凹槽的槽口宽度小于所述间隔柱的横截面宽度。
  3. 根据权利要求1所述的显示面板，其中，所述第一基板还包括彩色滤光层，所述彩色滤光层设置在所述衬底与所述平坦层之间，对应所述像素区的位置，所述彩色滤光层设置有多种不同颜色的色阻层，所述彩色滤光层至少包括第一色阻层，所述第一色阻层靠近所述信号线位置的厚度大于远离所述信号线位置的厚度；
    所述凹槽包括第一凹槽，所述第一凹槽与所述第一色阻层的边缘位置对应，所述电极层设置在所述第一凹槽内。
  4. 根据权利要求1所述的显示面板，其中，所述显示面板为边缘场开关技术显示面板，所述显示面板还包括导电层，所述导电层设置在所述衬底与所述信号线之间，所述导电层为整面性电极，与所述电极层形成边缘电场；
    所述凹槽对应所述电极层靠近所述信号线的位置设置，以容纳所述电极层靠近所述信号线的部分。
  5. 根据权利要求1所述的显示面板，其中，所述显示面板为水平转换型，所述电极层包括像素电极和公共电极，所述像素电极包括第一主干和多个第一分支，多个所述第一分支间隔设置，且与所述第一主干连接呈梳状结构；
    所述公共电极包括第二主干和多个第二分支，多个所述第二分支间隔设置，且与所述第二主干连接呈梳状结构；所述像素电极和所述公共电极相对设置，且多个所述第一分支与多个所述第二分支交替排布，以形成水平电场；
    所述凹槽对应所述电极层靠近所述信号线的位置设置，以容纳所述像素电极和/或所述公共电极靠近所述信号线的部分。
  6. 根据权利要求5所述的显示面板，其中，所述信号线包括数据线，所述数据线沿第一方向排布，所述凹槽包括至少一个第一条形槽，所述第一条形槽沿所述第一方向延伸，至少一条所述第一分支或所述第二分支设置在所述第一条形槽内。
  7. 根据权利要求5所述的显示面板，其中，所述信号线包括扫描线，所述扫描线沿第二方向排布，所述凹槽包括至少一个第二条形槽，所述第二条形槽沿所述第二方向延伸，所述第一主干或所述第二主干设置在所述第二条形槽内。
  8. 根据权利要求1所述的显示面板，其中，所述显示面板为垂直配向型，所述主干为田字形，所述主干包括水平方向设置的水平部和沿竖直方向设置的竖直部；多个所述分支的一端分别与所述水平部和/或所述竖直部连接，另一端沿不同方向延伸形成多个畴；
    所述凹槽包括回字型凹槽，至少所述主干的边缘设置在所述回字型凹槽内。
  9. 根据权利要求1所述的显示面板，其中，所述第一基板为阵列基板，所述第二基板为彩膜基板，所述凹槽包括第二凹槽，所述第二凹槽靠近所述信号线一侧的槽壁垂直于所述阵列基板；所述第二凹槽远离所述信号线一侧的槽壁设置为斜面或阶梯面，所述电极层设置在所述第二凹槽内。
  10. 根据权利要求1所述的显示面板，其中，所述凹槽的深度设置为大于所述电极层的厚度，位于凹槽内的电极层的上表面低于凹槽的槽口位置的平坦层的上表面。
  11. 根据权利要求1所述的显示面板，其中，所述凹槽沿信号线的排布方向的槽口宽度设置为大于电极层的宽度，凹槽的槽口宽度与电极层的宽度之间的差值范围为2μm～15μm。
  12. 根据权利要求5所述的显示面板，其中，所述凹槽包括至少一个第一条形槽，第一条形槽沿第一方向延伸，第一方向为与数据线平行的方向，第一条形槽为一长条形结构，靠近数据线位置的第一分支或第二分支设置在第一条形槽内。
  13. 根据权利要求5所述的显示面板，其中，所述凹槽包括第二条形槽，第二条形槽沿第二方向延伸，第二方向即为与扫描线平行的方向，第二条形槽为一长条形的主槽，沿第一分支或第二分支的方向设置有多个子槽，主槽和子槽的宽度均设置小于间隔柱的横截面宽度；
    其中，第一主干或第二主干，以及部分第一分支或第二分支均设置在第二条形槽内。
  14. 一种显示面板，包括第一基板、第二基板和间隔柱，所述第一基板和所述第二基板对盒设置，所述间隔柱位于所述第一基板和所述第二基板之间；所述第一基板包括衬底、信号线、平坦层和电极层；
    所述信号线设置在所述衬底上，所述信号线设置有多条，且多条所述信号线交错形成多个像素区；
    所述平坦层设置在所述信号线上，所述间隔柱的一端设置在所述第二基板上，另一端抵接在所述平坦层上；
    所述电极层设置在所述平坦层上，且位于所述像素区内；
    所述电极层至少包括主干和多个分支，多个所述分支间隔设置，且与所述主干连接；
    所述平坦层靠近所述间隔柱的区域设置有凹槽，且所述凹槽与所述电极层相对应，以使靠近所述间隔柱的区域的所述电极层嵌入所述凹槽内；
    所述显示面板为水平转换型，所述电极层包括像素电极和公共电极，所述像素电极包括第一主干和多个第一分支，多个所述第一分支间隔设置，且与所述第一主干连接呈梳状结构；
    所述公共电极包括第二主干和多个第二分支，多个所述第二分支间隔设置，且与所述第二主干连接呈梳状结构；所述像素电极和所述公共电极相对设置，且多个所述第一分支与多个所述第二分支交替排布，以形成水平电场；
    所述凹槽对应所述电极层靠近所述信号线的位置设置，以容纳所述像素电极和/或所述公共电极靠近所述信号线的部分；
    所述信号线包括数据线，所述数据线沿第一方向排布，所述凹槽包括至少一个第一条形槽，所述第一条形槽沿所述第一方向延伸，至少一条所述第一分支或闪烁第二分支设置在所述第一条形槽内；所述信号线包括扫描线，所述扫描线沿第二方向排布，所述凹槽包括至少一个第二条形槽，所述第二条形槽沿所述第二方向延伸，所述第一主干或所述第二主干设置在所述第二条形槽内，第一方向与第二方向垂直，且第一方向为竖直方向，第二方向为水平方向。
  15. 一种显示装置，包括背光模组和显示面板，所述背光模组设置在远离所述显示面板出光面的一侧，所述显示面板包括第一基板、第二基板和间隔柱，所述第一基板和所述第二基板对盒设置，所述间隔柱位于所述第一基板和所述第二基板之间；所述第一基板包括衬底、信号线、平坦层和电极层；
    所述信号线设置在所述衬底上，所述信号线设置有多条，且多条所述信号线交错形成多个像素区；
    所述平坦层设置在所述信号线上，所述间隔柱的一端设置在所述第二基板上，另一端抵接在所述平坦层上；
    所述电极层设置在所述平坦层上，且位于所述像素区内；
    所述电极层至少包括主干和多个分支，多个所述分支间隔设置，且与所述主干连接；
    所述平坦层靠近所述间隔柱的区域设置有凹槽，且所述凹槽与所述电极层相对应，以使 靠近所述间隔柱的区域的所述电极层嵌入所述凹槽内。
  16. 根据权利要求15所述的显示装置，其中，所述凹槽的槽口宽度小于所述间隔柱的横截面宽度。
  17. 根据权利要求15所述的显示装置，其中，所述第一基板还包括彩色滤光层，所述彩色滤光层设置在所述衬底与所述平坦层之间，对应所述像素区的位置，所述彩色滤光层设置有多种不同颜色的色阻层，所述彩色滤光层至少包括第一色阻层，所述第一色阻层靠近所述信号线的位置的厚度大于远离所述信号线位置的厚度；所述凹槽包括第一凹槽，所述第一凹槽与所述第一色阻层的边缘位置对应，所述电极层设置在所述第一凹槽内。
  18. 根据权利要求15所述的显示装置，其中，所述显示面板为水平转换型，所述电极层包括像素电极和公共电极，所述像素电极包括第一主干和多个第一分支，多个所述第一分支间隔设置，且与所述第一主干连接呈梳状结构；
    所述公共电极包括第二主干和多个第二分支，多个所述第二分支间隔设置，且与所述第二主干连接呈梳状结构；所述像素电极和所述公共电极相对设置，且多个所述第一分支与多个所述第二分支交替排布，以形成水平电场；
    所述凹槽对应所述电极层靠近所述信号线的位置设置，以容纳所述像素电极和/或所述公共电极靠近所述信号线的部分；
    所述信号线包括数据线，所述数据线沿第一方向排布，所述凹槽包括至少一个第一条形槽，所述第一条形槽沿所述第一方向延伸，至少一条所述第一分支或所述第二分支设置在所述第一条形槽内；所述信号线包括扫描线，所述扫描线沿第二方向排布，所述凹槽包括至少一个第二条形槽，所述第二条形槽沿所述第二方向延伸，所述第一主干或所述第二主干设置在所述第二条形槽内。
  19. 根据权利要求15所述的显示装置，其中，所述显示面板为边缘场开关技术显示面板，所述显示面板还包括导电层，所述导电层设置在所述衬底与所述信号线之间，所述导电层为整面性电极，与所述电极层形成边缘电场；
    所述凹槽对应所述电极层靠近所述信号线的位置设置，以容纳所述电极层靠近所述信号线的部分。
  20. 根据权利要求15所述的显示装置，其中，所述显示面板为垂直配向型，所述主干为田字形，所述主干包括水平方向设置的水平部和沿竖直方向设置的竖直部；多个所述分支的一端分别与所述水平部和/或所述竖直部连接，另一端沿不同方向延伸形成多个畴；
    所述凹槽包括回字型凹槽，至少所述主干的边缘设置在所述回字型凹槽内。
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