WO2016062235A1 - 一种显示面板及其制作方法 - Google Patents

一种显示面板及其制作方法 Download PDF

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Publication number
WO2016062235A1
WO2016062235A1 PCT/CN2015/092257 CN2015092257W WO2016062235A1 WO 2016062235 A1 WO2016062235 A1 WO 2016062235A1 CN 2015092257 W CN2015092257 W CN 2015092257W WO 2016062235 A1 WO2016062235 A1 WO 2016062235A1
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WIPO (PCT)
Prior art keywords
alignment film
display panel
liquid crystal
peripheral region
array substrate
Prior art date
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PCT/CN2015/092257
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English (en)
French (fr)
Inventor
刘莎
赵峰
Original Assignee
京东方科技集团股份有限公司
北京京东方显示技术有限公司
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Application filed by 京东方科技集团股份有限公司, 北京京东方显示技术有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US14/913,052 priority Critical patent/US9915838B2/en
Priority to EP15832675.1A priority patent/EP3211478B1/en
Publication of WO2016062235A1 publication Critical patent/WO2016062235A1/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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment 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
    • G—PHYSICS
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    • 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
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    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
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    • G02F1/133514—Colour filters
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    • 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
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    • 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 
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    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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    • 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
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    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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    • G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
    • G02F1/133788—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by light irradiation, e.g. linearly polarised light photo-polymerisation
    • 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
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    • G02F1/1341—Filling or closing 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
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    • 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
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    • G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
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    • 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
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    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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    • 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
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    • G02F1/133388—Constructional arrangements; Manufacturing methods with constructional differences between the display region and the peripheral region
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    • 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
    • G02F1/133746—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers for high pretilt angles, i.e. higher than 15 degrees
    • G—PHYSICS
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    • 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
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    • 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
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    • G—PHYSICS
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    • 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
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    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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    • 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
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    • 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
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    • G02F1/134381—Hybrid switching mode, i.e. for applying an electric field with components parallel and orthogonal to the substrates

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a display panel and a method of fabricating the same.
  • ADS (Advanced Super Dimension Switch) display panel is a display panel with display mode of ADS mode.
  • ADS display panel has the advantages of wide viewing angle, small color shift and high transmittance.
  • the multi-dimensional electric field formed by the ADS display panel by the edge of the pixel electrode in the same plane and the electric field generated between the pixel electrode and the common electrode causes the liquid crystal molecules in the ADS display panel to be deflected.
  • the ADS display panel includes a display area and a non-display area located around the display area.
  • the ADS mode belongs to the normally black mode.
  • the non-off state includes the dark state and the display state
  • the liquid crystal in the non-display area The molecules are not rotated, so that no light passes through the non-display area, and the non-display area appears dark.
  • the inventors have found that when the ADS display panel in the non-closed state is pressed by an external force, the liquid crystal molecules in the non-display area of the ADS display panel are deflected, resulting in light leakage of the ADS display panel.
  • the technical problem to be solved by the present invention is to provide a display panel and a manufacturing method thereof, which can prevent light leakage of the display panel.
  • an embodiment of the present invention provides a display panel, which adopts the following technical solutions:
  • a display panel includes an intermediate region and a peripheral region around the periphery of the intermediate region, wherein an electric field applied in the intermediate region is a horizontal electric field or a multi-dimensional electric field, The electric field applied in the peripheral region is a vertical electric field.
  • the display panel includes an array substrate and a color filter substrate disposed opposite to each other, and an intermediate portion of the array substrate is provided with a first pixel electrode and a first common electrode, and the first pixel electrode and/or the first common electrode is a slit electrode, a peripheral portion of the array substrate is provided with a second pixel electrode; a peripheral region of the color filter substrate is provided with a second common electrode, and the second pixel electrode and the second common electrode are both plate-shaped electrode.
  • the display panel further includes a liquid crystal molecular layer between the array substrate and the color filter substrate, wherein liquid crystal molecules located in the intermediate region have a horizontal initial orientation, and liquid crystal molecules located in the peripheral region have progressive distortion and angular difference Initial orientation within 90°.
  • the first alignment film and the third alignment film have liquid crystal molecules located in the intermediate region having a horizontal initial orientation; the second alignment film and the fourth alignment film have progressively twisted liquid crystal molecules in a peripheral region of the liquid crystal molecule layer and the angular difference is Initial orientation within 90°.
  • the first alignment film is located at an intermediate portion of the array substrate, the third alignment film is located at an intermediate portion of the color filter substrate, and the first alignment film and the third alignment film are such that liquid crystal molecules have a level An orientation film of an initial orientation, the second alignment film is located in a peripheral region of the array substrate, the fourth alignment film is located in a peripheral region of the color filter substrate, the second alignment film and the fourth orientation
  • the orientation angles of the films differ by 90°.
  • the first alignment film, the second alignment film, the third alignment film, and the fourth alignment film employ a rubbing alignment process to achieve a predetermined initial orientation.
  • the first alignment film, the second alignment film, the third alignment film, and the fourth alignment film achieve a predetermined initial orientation by photo-alignment.
  • the intermediate area is a display area of the display panel or smaller than the display area.
  • the embodiment of the invention provides a display panel, which is divided into an intermediate area and a peripheral area.
  • the display mode of the intermediate area is a horizontal electric field or a multi-dimensional electric field controlled display mode
  • the display mode of the peripheral area is a vertical electric field controlled display mode.
  • an embodiment of the present invention further provides a display
  • the manufacturing method of the display panel adopts the following technical solutions:
  • a method for manufacturing a display panel includes:
  • An array substrate is formed, and a first pixel electrode and a first common electrode are disposed on an intermediate portion of the array substrate, and the first pixel electrode and/or the first common electrode is a slit electrode, and a periphery of the array substrate a second pixel electrode is disposed on the area;
  • a color filter substrate is formed, a second common electrode is disposed on a peripheral region of the color filter substrate, and the second pixel electrode and the second common electrode are plate electrodes;
  • first pixel electrode and the first common electrode apply a horizontal electric field or a multi-dimensional electric field in the intermediate region
  • the second pixel electrode and the second common electrode apply a vertical electric field in the peripheral region.
  • the first alignment film and the third alignment film have liquid crystal molecules located in the intermediate region having a horizontal initial orientation; the orientation angles of the second alignment film and the fourth alignment film are different by 90°.
  • the step of forming the first alignment film, the second alignment film, the third alignment film, and the fourth alignment film includes performing orientation using a rubbing alignment process.
  • the manufacturing method of the display panel further includes:
  • Photosensitive groups and liquid crystal molecules are dropped onto an intermediate portion of the array substrate or an intermediate portion of the color filter substrate, and are irradiated with ultraviolet light so that liquid crystal molecules located in the intermediate portion have a horizontal initial orientation;
  • Photosensitive groups and liquid crystal molecules are dropped onto a peripheral region of the array substrate or a peripheral region of the color filter substrate, and are irradiated with ultraviolet light so that liquid crystal molecules located in the peripheral region have progressive distortion and an angular difference of 90°. The initial orientation within.
  • the embodiment of the present invention provides a method for fabricating a display panel.
  • the method for fabricating the display panel includes forming an array substrate.
  • the intermediate portion of the array substrate is provided with a first pixel electrode and a first common electrode, and the first pixel electrode and/or
  • the first common electrode is a slit electrode, and a second pixel electrode is disposed on a peripheral region of the array substrate; a color film substrate is formed, and a color film base is formed
  • a second common electrode is disposed on a peripheral region of the board, and the second pixel electrode and the second common electrode are both plate electrodes.
  • the dark state of the peripheral region of the display panel formed at this time is controlled by an electric field, thereby causing an external force to act on the periphery.
  • the dark state of the area has no effect, so that the light leakage of the display panel can be effectively prevented.
  • FIG. 1 is a schematic diagram of a first display panel in a display state according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a first display panel in a closed state according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a first display panel in a dark state according to an embodiment of the present invention.
  • FIG. 4 is a flow chart of a method for manufacturing a display panel according to an embodiment of the present invention.
  • A intermediate area
  • b peripheral area
  • 1 array substrate
  • the embodiment of the invention provides a display panel, which can prevent light leakage of the display panel.
  • the display panel is divided into an intermediate area a and a peripheral area b, wherein the display mode of the intermediate area a is a horizontal electric field or a multi-dimensional electric field controlled display mode, and the peripheral area b
  • the display mode is the display mode of the vertical electric field control.
  • the display mode of the intermediate area a is the ADS mode
  • the display mode of the peripheral area b is the TN mode.
  • the intermediate area a is a display area of the display panel or smaller than the display area.
  • the specific size relationship between the display area and the intermediate area a can be designed according to the specific position of the bezel and the light leakage range that is common in the prior art.
  • the embodiment of the invention provides a display panel, which is divided into an intermediate area and a peripheral area.
  • the display mode of the intermediate area is a horizontal electric field or a multi-dimensional electric field controlled display mode
  • the display mode of the peripheral area is a vertical electric field controlled display mode.
  • the display panel includes an array substrate 1 and a color filter substrate 2 disposed opposite to each other.
  • the intermediate portion of the array substrate 1 is provided with a first pixel electrode 11 and a first common electrode 12 .
  • the first pixel electrode 11 and/or the first common electrode 12 are slit electrodes, and the peripheral region of the array substrate 1 is provided with a second pixel electrode 13; the peripheral region of the color filter substrate 2 is provided with a second common electrode 21, and the second pixel
  • the electrode 13 and the second common electrode 21 are both plate electrodes such that the display mode of the intermediate region a of the display panel is a horizontal electric field or a multi-dimensional electric field controlled display mode, and the display mode of the peripheral region b is a vertical electric field controlled display mode.
  • the display panel further includes a liquid crystal molecular layer 3 between the array substrate 1 and the color filter substrate 2, and the liquid crystal molecules in the liquid crystal molecular layer 3 have a specific initial orientation, wherein, as shown in FIG. 2, the liquid crystal molecular layer 3
  • the liquid crystal molecules of the intermediate region have a horizontal initial orientation
  • the liquid crystal molecules of the peripheral region of the liquid crystal molecule layer 3 have an initial orientation of progressively twisted and an angular difference within 90°.
  • the liquid crystal molecules located in the intermediate portion of the liquid crystal molecule layer 3 have a horizontal initial orientation by the first alignment film 4 and the third alignment film 5; the second alignment film 6 and The fourth alignment film 7 causes the liquid crystal molecules located in the peripheral region of the liquid crystal molecule layer 3 to have an initial orientation in which the angular difference is within 90°.
  • the first alignment film 4 is located at an intermediate portion of the array substrate 1
  • the third alignment film 5 is located at an intermediate portion of the color filter substrate 2, and the first alignment film 4 and the third alignment film 5 are initial for making liquid crystal molecules horizontal.
  • the second alignment film 6 is located in the peripheral region of the array substrate 1
  • the fourth alignment film 7 is located in the peripheral region of the color filter substrate 2, and the orientation angles of the second alignment film 6 and the fourth alignment film 7 are different by 90°.
  • the following two orientation films are specifically disposed such that the liquid crystal molecules of the liquid crystal molecule layer 3 located in the intermediate region have a horizontal initial orientation, and the liquid crystal molecules of the liquid crystal molecule layer 3 located in the peripheral region have An initial orientation that is progressively distorted and has an angular difference within 90°.
  • the first alignment film 4, the second alignment film 6, the third alignment film 5, and the fourth alignment film 7 employ a rubbing alignment process to impart a specific initial orientation to liquid crystal molecules in the liquid crystal molecule layer 3.
  • the rubbing alignment directions on the first alignment film 4, the second alignment film 6, the third alignment film 5, and the fourth alignment film 7 may be the same or at an angle as long as the liquid crystal molecules of the liquid crystal molecule layer 3 located in the intermediate region can be made Having a horizontal initial orientation, the liquid crystal molecules of the liquid crystal molecular layer 3 in the peripheral region have an initial orientation which is gradually twisted and the angle difference is within 90°, which is not limited in the embodiment of the invention.
  • the first alignment film 4, the second alignment film 6, the third alignment film 5, and the fourth alignment film 7 have a specific initial orientation of liquid crystal molecules in the liquid crystal molecule layer 3 by photo-alignment.
  • the liquid crystal molecule layer 3 includes liquid crystal molecules and photosensitive groups, and in the process of forming the liquid crystal molecular layer 3, liquid crystal molecules and photosensitive groups are dropped onto the array substrate 1 or the color filter substrate 2, and ultraviolet light is used. Irradiation, the force between the photosensitive group and the alignment film causes the photosensitive groups to be aligned in a certain orientation, and the force between the liquid crystal molecules and the photosensitive group causes the liquid crystal molecules to be aligned in a certain orientation.
  • progressive distortion and angular difference within 90° means that the initial orientation of the liquid crystal molecules on the side of the array substrate on the side of the array substrate is different from the initial orientation on the side of the color filter substrate by 90°, and between the two surfaces The liquid crystal molecules are correspondingly progressively distorted, or Say the angle of orientation with a gradual change.
  • the embodiment of the present invention provides a specific display panel as shown in FIG. 1 , FIG. 2 and FIG. 3 , which includes a lower polarizer 8 and an array substrate 1 which are sequentially disposed.
  • the direction of the transmission axis of the lower polarizer 8 is perpendicular to the direction of the transmission axis of the upper polarizer 9.
  • the intermediate region a of the array substrate 1 includes a thin film transistor 14, a first pixel electrode 11 and a first common electrode 12, the first pixel electrode 11 and/or the first common electrode 12 are slit electrodes, and the peripheral region of the array substrate 1 includes a thin film
  • the transistor 14 and the plate-shaped second pixel electrode 13 and the thin film transistor 14 on the array substrate 1 may be a bottom-gate thin film transistor or a top-gate thin film transistor, which is not limited in the embodiment of the present invention.
  • the array substrate 1 further includes grid lines and data lines that are criss-crossed.
  • the intermediate portion of the color filter substrate 2 includes a black matrix 22 and a color filter layer 23, and the peripheral region of the color filter substrate 2 includes a black matrix 22, a color filter layer 23, and a plate-shaped second common electrode 21.
  • the first alignment film 4 and the third alignment film 5 are respectively located on the intermediate portion of the array substrate 1 and the intermediate portion of the color filter substrate 2, and the first alignment film 4 and the third alignment film 5 have grooves formed by rubbing orientation, and The extending direction of the grooves on the first alignment film 4 and the third alignment film 5 (ie, the rubbing alignment direction) is parallel to the transmission axis direction of the lower polarizer 8, so that the liquid crystal molecules in the intermediate portion of the liquid crystal molecule layer 3 are long.
  • the axes are aligned parallel to the direction of the transmission axis direction of the lower polarizer 8, so as to have a horizontal initial orientation.
  • the second alignment film 6 and the fourth alignment film 7 are respectively located on the peripheral region of the array substrate 1 and the peripheral region of the color filter substrate 2.
  • the second alignment film 6 and the fourth alignment film 7 also have grooves formed by rubbing orientation.
  • the extending direction of the groove on the second alignment film 6 is parallel to the direction of the transmission axis of the lower polarizer 8, and the extending direction of the groove on the fourth alignment film 7 is parallel to the direction of the transmission axis of the upper polarizer 9, and the second orientation
  • the film 6 aligns the liquid crystal molecules close to the second alignment film 6 in the direction parallel to the direction of the transmission axis of the lower polarizer 8, and the fourth alignment film 7 makes the liquid crystal molecules close to the fourth alignment film 7 parallel to the long axis.
  • the direction of the direction of the transmission axis of the upper polarizer 9 is aligned such that the liquid crystal molecules in the peripheral region of the liquid crystal molecule layer 3 have progressive distortion and the angle difference is within 90°. Starting orientation.
  • the liquid crystal molecules in the intermediate portion of the liquid crystal molecular layer 3 are parallel to the lower polarized light along the long axis due to the first alignment film 4 and the third alignment film 5.
  • the direction of the transmission axis direction of the sheet 8 is aligned, and the direction of the transmission axis of the upper polarizer 9 is perpendicular to the direction of the transmission axis of the lower polarizer 8, and therefore, as shown in FIGS.
  • the liquid crystal molecules close to the second alignment film 6 are parallel to the transmission axis direction of the lower polarizer 8 along the long axis by the second alignment film 6.
  • the fourth alignment film 7 aligns the liquid crystal molecules adjacent to the fourth alignment film 7 in the direction parallel to the direction of the transmission axis of the upper polarizer 9 along the long axis, and the transmission axis direction and the lower polarization of the upper polarizer 9.
  • the direction of the transmission axis of the sheet 8 is perpendicular. Therefore, as shown in FIG. 2, when there is no electric field between the second pixel electrode 13 and the second common electrode 21, light can pass through the upper polarizer 9, thereby making the peripheral region of the display panel b is always white.
  • the liquid crystal molecules in the peripheral region of the liquid crystal molecule layer 3 are arranged along the long axis parallel to the direction of the electric field direction, That is, it is arranged in a direction perpendicular to the array substrate 1 and the color filter substrate 2, so that light cannot pass through the upper polarizer 9, so that the peripheral region b of the display panel is in a dark state.
  • the dark state of the peripheral region b of the display panel having the above-described structure is controlled by the electric field, so that the action of the external force has no influence on the dark state of the peripheral region, so that the light leakage phenomenon of the display panel can be effectively prevented.
  • the intermediate area a and the peripheral area b of the display panel may be controlled by one driving circuit, and the intermediate area a and the peripheral area b may be controlled by two driving circuits.
  • connection points may be provided in the display panel for connecting the first common electrode 12 and the coloring on the array substrate 1 Second common on the film substrate 2
  • the electrodes 21 are such that they have the same voltage.
  • An embodiment of the present invention provides a method for fabricating a display panel, and the method for fabricating the display panel includes the steps shown in FIG. 4:
  • Step S401 forming an array substrate, wherein a first pixel electrode and a first common electrode are disposed on an intermediate portion of the array substrate, and the first pixel electrode and/or the first common electrode are slit electrodes, and the peripheral region of the array substrate is provided with a first Two pixel electrode.
  • Step S402 forming a color filter substrate, a second common electrode is disposed on a peripheral region of the color filter substrate, and the second pixel electrode and the second common electrode are both plate electrodes.
  • the specific structure of the structure in the intermediate region forming the array substrate and the structure in the peripheral region is not limited, and those skilled in the art can select according to actual needs.
  • the embodiment of the present invention provides a method for fabricating a display panel.
  • the method for fabricating the display panel includes forming an array substrate.
  • the intermediate portion of the array substrate is provided with a first pixel electrode and a first common electrode, and the first pixel electrode and/or
  • the first common electrode is a slit electrode, and a second pixel electrode is disposed on a peripheral region of the array substrate;
  • a color filter substrate is formed, and a second common electrode, a second pixel electrode and a second common electrode are disposed on a peripheral region of the color filter substrate All of them are plate electrodes, and the dark state of the peripheral region of the display panel formed at this time is controlled by the electric field, so that the action of the external force has no influence on the dark state of the peripheral region, thereby effectively preventing light leakage of the display panel.
  • the method for fabricating the display panel further comprises: forming a first alignment film 4 on an intermediate portion of the array substrate 1; on the array substrate 1 A second alignment film 6 is formed on the peripheral region; a third alignment film 5 is formed on the intermediate portion of the color filter substrate 2; and a fourth alignment film 7 is formed on the peripheral region of the color filter substrate 2.
  • the first alignment film 4 and the third alignment film 5 have a horizontal initial orientation of all the liquid crystal molecules of the liquid crystal molecule layer 3 located in the intermediate portion; the orientation angles of the second alignment film 6 and the fourth alignment film 7 are different by 90°.
  • the embodiment of the present invention provides two orientation films in such a manner that the first alignment film 4 and the third alignment film 5 have a horizontal initial orientation of all liquid crystal molecules in the intermediate region of the liquid crystal molecule layer 3;
  • the alignment film 6 and the fourth alignment film 7 make the liquid crystal molecules of the liquid crystal molecule layer 3 located in the peripheral region have an initial orientation of progressively twisted and an angular difference within 90°.
  • the first alignment film 4 and the third alignment film 5 are formed on the intermediate portion of the array substrate 1, and the second alignment film 6 and the fourth alignment film 7 are formed on the peripheral region, and then including: using a rubbing alignment process Orientation.
  • the rubbing alignment directions on the first alignment film 4, the second alignment film 6, the third alignment film 5, and the fourth alignment film 7 may be the same or at an angle as long as the liquid crystal molecules of the liquid crystal molecule layer 3 located in the intermediate region can be made Having a horizontal initial orientation, the liquid crystal molecules of the liquid crystal molecular layer 3 in the peripheral region have an initial orientation which is gradually twisted and the angle difference is within 90°, which is not limited in the embodiment of the invention.
  • the photosensitive group and the liquid crystal molecules are dropped onto the intermediate portion of the array substrate 1 or the intermediate portion of the color filter substrate 2, and the liquid crystal molecules in the intermediate portion of the liquid crystal molecular layer 3 are horizontally irradiated by ultraviolet light.
  • Initial orientation The photosensitive group and the liquid crystal molecules are dripped onto the peripheral region of the array substrate 1 or the peripheral region of the color filter substrate 2, and the liquid crystal molecules located in the peripheral region of the liquid crystal molecule layer 3 are progressively twisted with an angular difference of 90 by ultraviolet light irradiation. The initial orientation within °.

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Abstract

一种显示面板及其制作方法，涉及显示技术领域，能够防止显示面板出现漏光现象、该显示面板包括中间区域（a）和所述中间区域（a）外围的周边区域（b），在所述中间区域（a）施加的电场为水平电场或者多维电场，在所述周边区域（b）施加的电场为垂直电场。

Description

一种显示面板及其制作方法 技术领域
本发明涉及显示技术领域，尤其涉及一种显示面板及其制作方法。
背景技术
ADS(高级超维场转换技术，Advanced Super Dimension Switch)显示面板为显示模式为ADS模式的显示面板，ADS显示面板具有视角广、色偏小和透过率高等优点。
具体地，ADS显示面板通过同一平面内的像素电极边缘所产生的电场以及像素电极与公共电极间产生的电场形成的多维电场使得ADS显示面板内的液晶分子产生偏转。ADS显示面板包括显示区域和位于显示区域周边的非显示区域，ADS模式属于常黑模式，当ADS显示面板处于非关闭状态(非关闭状态包括暗态和显示状态)时，非显示区域内的液晶分子未发生旋转，进而使得非显示区域无光线通过，非显示区域呈现暗态。
发明人发现，处于非关闭状态的ADS显示面板受外力挤压时，会导致ADS显示面板的非显示区域内的液晶分子的发生一定偏转，从而导致ADS显示面板出现漏光现象。
发明内容
本发明所要解决的技术问题在于提供一种显示面板及其制作方法，能够防止显示面板出现漏光现象。
为解决上述技术问题，本发明实施例提供了一种显示面板，采用如下技术方案：
一种显示面板，包括中间区域和所述中间区域外围的周边区域，其特征在于，在所述中间区域施加的电场为水平电场或者多维电场， 在所述周边区域施加的电场为垂直电场。
所述显示面板包括相对设置的阵列基板和彩膜基板，所述阵列基板的中间区域设置有第一像素电极和第一公共电极，所述第一像素电极和/或所述第一公共电极为狭缝电极，所述阵列基板的周边区域设置有第二像素电极；所述彩膜基板的周边区域设置有第二公共电极，所述第二像素电极和所述第二公共电极均为板状电极。
所述显示面板还包括位于所述阵列基板和所述彩膜基板之间的液晶分子层，其中，位于中间区域的液晶分子具有水平的初始取向，位于周边区域的液晶分子具有渐进扭曲并且角度差在90°之内的初始取向。
第一取向膜和第三取向膜使位于中间区域的液晶分子具有水平的初始取向；第二取向膜和第四取向膜使所述液晶分子层的周边区域的液晶分子具有渐进扭曲并且角度差在90°之内的初始取向。
所述第一取向膜位于所述阵列基板的中间区域，所述第三取向膜位于所述彩膜基板的中间区域，所述第一取向膜和所述第三取向膜为使液晶分子具有水平的初始取向的取向膜，所述第二取向膜位于所述阵列基板的周边区域，所述第四取向膜位于所述彩膜基板的周边区域，所述第二取向膜和所述第四取向膜的取向角度相差90°。
所述第一取向膜、所述第二取向膜、所述第三取向膜和所述第四取向膜采用摩擦取向工艺来实现预定的初始取向。
所述第一取向膜、所述第二取向膜、所述第三取向膜和所述第四取向膜通过光取向来实现预定的初始取向。
所述中间区域为所述显示面板的显示区域或者小于所述显示区域。
本发明实施例提供了一种显示面板，该显示面板分为中间区域和周边区域，中间区域的显示模式为水平电场或者多维电场控制的显示模式，周边区域的显示模式为垂直电场控制的显示模式，此时周边区域的暗态由电场控制，进而使得外力的作用对周边区域的暗态无影响，从而可以有效防止显示面板出现漏光现象。
为了进一步解决上述技术问题，本发明实施例还提供了一种显 示面板的制作方法，采用如下技术方案：
一种显示面板的制作方法包括：
形成阵列基板，所述阵列基板的中间区域上设置有第一像素电极和第一公共电极，所述第一像素电极和/或所述第一公共电极为狭缝电极，所述阵列基板的周边区域上设置有第二像素电极；
形成彩膜基板，所述彩膜基板的周边区域上设置有第二公共电极，所述第二像素电极和所述第二公共电极均为板状电极；
其中所述第一像素电极和所述第一公共电极在所述中间区域施加水平电场或者多维电场，所述第二像素电极和所述第二公共电极在所述周边区域施加垂直电场。
在所述阵列基板的中间区域上形成第一取向膜；
在所述阵列基板的周边区域上形成第二取向膜；
在所述彩膜基板的中间区域上形成第三取向膜；
在所述彩膜基板的周边区域上形成第四取向膜；
所述第一取向膜和所述第三取向膜使位于中间区域的液晶分子具有水平的初始取向；所述第二取向膜和所述第四取向膜的取向角度相差90°。
所述形成第一取向膜、第二取向膜、第三取向膜和第四取向膜的步骤包括：采用摩擦取向工艺进行取向。
所述显示面板的制作方法还包括：
向所述阵列基板的中间区域或者所述彩膜基板的中间区域上滴注感光基团和液晶分子，使用紫外光照射，以使得位于中间区域的液晶分子具有水平的初始取向；
向所述阵列基板的周边区域或者所述彩膜基板的周边区域上滴注感光基团和液晶分子，使用紫外光照射，以使得位于周边区域的液晶分子具有渐进扭曲并且角度差在90°之内的初始取向。
本发明实施例提供了一种显示面板的制作方法，该显示面板的制作方法包括形成阵列基板，阵列基板的中间区域上设置有第一像素电极和第一公共电极，第一像素电极和/或第一公共电极为狭缝电极，阵列基板的周边区域上设置有第二像素电极；形成彩膜基板，彩膜基 板的周边区域上设置有第二公共电极，第二像素电极和第二公共电极均为板状电极，此时形成的显示面板的周边区域的暗态由电场控制，进而使得外力的作用对周边区域的暗态无影响，从而可以有效防止显示面板出现漏光现象。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例中的第一种显示面板处于显示状态时的示意图；
图2为本发明实施例中的第一种显示面板处于关闭状态时的示意图；
图3为本发明实施例中的第一种显示面板处于暗态时的示意图；
图4为本发明实施例中的显示面板的制作方法流程图。
附图标记说明：
a—中间区域；            b—周边区域；           1—阵列基板；
11—第一像素电极；       12—第一公共电极；      13—第二像素电极；
14—薄膜晶体管；         2—彩膜基板；           21—第二公共电极；
22—黑矩阵；             23—彩色滤色层；        3—液晶分子层；
4—第一取向膜；          5—第三取向膜；         6—第二取向膜；
7—第四取向膜；          8—下偏光片；           9—上偏光片。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通 技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例一
本发明实施例提供了一种显示面板，能够防止显示面板出现漏光现象。
具体地，如图1、图2和图3所示，该显示面板分为中间区域a和周边区域b，其中，中间区域a的显示模式为水平电场或者多维电场控制的显示模式，周边区域b的显示模式为垂直电场控制的显示模式。示例性地，中间区域a的显示模式为ADS模式，周边区域b的显示模式为TN模式。中间区域a为显示面板的显示区域或者小于显示区域。具体地，显示区域与中间区域a的具体大小关系可以根据边框的具体位置以及现有技术中常见的漏光范围进行设计。
本发明实施例提供了一种显示面板，该显示面板分为中间区域和周边区域，中间区域的显示模式为水平电场或者多维电场控制的显示模式，周边区域的显示模式为垂直电场控制的显示模式，此时周边区域的暗态由电场控制，进而使得外力的作用对周边区域的暗态无影响，从而可以有效防止显示面板出现漏光现象。
具体地，如图1、图2和图3所示，显示面板包括相对设置的阵列基板1和彩膜基板2，阵列基板1的中间区域设置有第一像素电极11和第一公共电极12，第一像素电极11和/或第一公共电极12为狭缝电极，阵列基板1的周边区域设置有第二像素电极13；彩膜基板2的周边区域设置有第二公共电极21，第二像素电极13和第二公共电极21均为板状电极，以使得显示面板的中间区域a的显示模式为水平电场或者多维电场控制的显示模式，周边区域b的显示模式为垂直电场控制的显示模式。
进一步地，显示面板还包括位于阵列基板1和彩膜基板2之间的液晶分子层3，液晶分子层3中的液晶分子具有特定的初始取向，其中，如图2所示，液晶分子层3的中间区域的液晶分子具有水平的初始取向，液晶分子层3的周边区域的液晶分子具有渐进扭曲并且角度差在90°之内的初始取向。
进一步地，如图2所示，本发明实施例中通过第一取向膜4和第三取向膜5使液晶分子层3的位于中间区域的液晶分子具有水平的初始取向；第二取向膜6和第四取向膜7使液晶分子层3的位于周边区域的液晶分子具有渐进扭曲并且角度差在90°之内的初始取向。示例性地，第一取向膜4位于阵列基板1的中间区域，第三取向膜5位于彩膜基板2的中间区域，第一取向膜4和第三取向膜5为使液晶分子具有水平的初始取向的取向膜，第二取向膜6位于阵列基板1的周边区域，第四取向膜7位于彩膜基板2的周边区域，第二取向膜6和第四取向膜7的取向角度相差90°。
进一步地，本发明实施例中提供了以下两种取向膜的具体设置方式以使得液晶分子层3的位于中间区域的液晶分子具有水平的初始取向，液晶分子层3的位于周边区域的液晶分子具有渐进扭曲并且角度差在90°之内的初始取向。
第一种方式，第一取向膜4、第二取向膜6、第三取向膜5和第四取向膜7采用摩擦取向工艺使液晶分子层3中的液晶分子具有特定的初始取向。第一取向膜4、第二取向膜6、第三取向膜5和第四取向膜7上的摩擦取向方向可以相同也可以成一定角度，只要能够使得液晶分子层3的位于中间区域的液晶分子具有水平的初始取向，液晶分子层3的位于周边区域的液晶分子具有渐进扭曲并且角度差在90°之内的初始取向即可，本发明实施例对此不进行限定。
第二种方式，第一取向膜4、第二取向膜6、第三取向膜5和第四取向膜7通过光取向使液晶分子层3中的液晶分子具有特定的初始取向。具体地，液晶分子层3包括液晶分子和感光基团，在形成液晶分子层3的过程中，将液晶分子和感光基团滴注至阵列基板1或者彩膜基板2上的同时，使用紫外光照射，感光基团与取向膜之间的作用力使得感光基团按一定取向排列，液晶分子与感光基团之间的作用力使得液晶分子按一定取向排列。
上述“渐进扭曲并且角度差在90°之内”指的是，位于周边区域的液晶分子在阵列基板一侧的初始取向与彩膜基板一侧的初始取向相差90°，并且两侧表面之间的液晶分子相应地渐进扭曲，或者 说具有渐进变化的取向角度。
为了便于本领域技术人员理解，本发明实施例提供了一种如图1、图2和图3所示的具体的显示面板，该显示面板包括依次设置的下偏光片8、阵列基板1、第一取向膜4和第二取向膜6、液晶分子层3、第三取向膜5和第四取向膜7、彩膜基板2和上偏光片9。
其中，下偏光片8的透光轴方向和上偏光片9的透光轴方向垂直。
阵列基板1的中间区域a包括薄膜晶体管14、第一像素电极11和第一公共电极12，第一像素电极11和/或第一公共电极12为狭缝电极，阵列基板1的周边区域包括薄膜晶体管14和板状的第二像素电极13，阵列基板1上的薄膜晶体管14可以为底栅型薄膜晶体管，也可以为顶栅型薄膜晶体管，本发明实施例对此不进行限定。阵列基板1还包括纵横交错的栅线和数据线。
彩膜基板2的中间区域包括黑矩阵22和彩色滤色层23，彩膜基板2的周边区域包括黑矩阵22、彩色滤色层23和板状的第二公共电极21。
第一取向膜4和第三取向膜5分别位于阵列基板1的中间区域和彩膜基板2的中间区域上，第一取向膜4和第三取向膜5上有摩擦取向形成的凹槽，且第一取向膜4和第三取向膜5上的凹槽的延伸方向(即摩擦取向方向)平行于下偏光片8的透光轴方向，以使得液晶分子层3的中间区域的液晶分子沿长轴平行于下偏光片8的透光轴方向的方向排列，从而具有水平的初始取向。第二取向膜6和第四取向膜7分别位于阵列基板1的周边区域和彩膜基板2的周边区域上，第二取向膜6和第四取向膜7上也有摩擦取向形成的凹槽，第二取向膜6上的凹槽的延伸方向平行于下偏光片8的透光轴方向，第四取向膜7上的凹槽的延伸方向平行于上偏光片9的透光轴方向，第二取向膜6使靠近第二取向膜6的液晶分子沿长轴平行于下偏光片8的透光轴方向的方向排列，第四取向膜7使靠近第四取向膜7的液晶分子沿长轴平行于上偏光片9的透光轴方向的方向排列，从而使得液晶分子层3的周边区域的液晶分子具有渐进扭曲并且角度差在90°之内的初 始取向。
对于具有上述结构的显示面板的中间区域a，光线通过下偏光片8后，由于第一取向膜4和第三取向膜5使得液晶分子层3的中间区域的液晶分子沿长轴平行于下偏光片8的透光轴方向的方向排列，而上偏光片9的透光轴方向与下偏光片8的透光轴方向垂直，因此，如图2和图3所示，当第一像素电极11和第一公共电极12之间无电场时，光线无法通过上偏光片9，从而使得显示面板的中间区域a常黑；如图1所示，当第一像素电极11和第一公共电极12之间施加有电场时，液晶分子发生偏转，液晶分子沿长轴平行于上偏光片9的透光轴方向的方向排列，进而使得光线可以通过上偏光片9。
对于具有上述结构的显示面板的周边区域b，光线通过下偏光片8后，由于第二取向膜6使靠近第二取向膜6的液晶分子沿长轴平行于下偏光片8的透光轴方向的方向排列，第四取向膜7使靠近第四取向膜7的液晶分子沿长轴平行于上偏光片9的透光轴方向的方向排列，而上偏光片9的透光轴方向与下偏光片8的透光轴方向垂直，因此，如图2所示，当第二像素电极13和第二公共电极21之间无电场时，光线可以通过上偏光片9，从而使得显示面板的周边区域b常白。
如图1和图3所示，当第二像素电极13和第二公共电极21之间施加有电场时，液晶分子层3的周边区域的液晶分子的沿长轴平行于电场方向的方向排列，即沿垂直于阵列基板1和彩膜基板2的方向排列，使得光线无法通过上偏光片9，从而使得显示面板的周边区域b处于暗态。
由以上所述可知，具有上述结构的显示面板的周边区域b的暗态由电场控制，进而使得外力的作用对周边区域的暗态无影响，从而可以有效防止显示面板出现漏光现象。
需要说明的是，可以通过一个驱动电路控制显示面板的中间区域a和周边区域b，也可以通过两个驱动电路控制中间区域a和周边区域b。示例性地，当通过一个驱动电路控制显示面板的中间区域a和周边区域b时，可以在显示面板中设置连接点，连接点用于连接位于阵列基板1上的第一公共电极12与位于彩膜基板2上的第二公共 电极21，从而使得二者具有相同的电压。
实施例二
本发明实施例提供了一种显示面板的制作方法，该显示面板的制作方法包括如图4所示的步骤：
步骤S401、形成阵列基板，阵列基板的中间区域上设置有第一像素电极和第一公共电极，第一像素电极和/或第一公共电极为狭缝电极，阵列基板的周边区域上设置有第二像素电极。
步骤S402、形成彩膜基板，彩膜基板的周边区域上设置有第二公共电极，第二像素电极和第二公共电极均为板状电极。
需要说明的是，上述显示面板的制作方法中未对形成阵列基板的中间区域内的结构和周边区域内的结构的具体顺序进行限定，本领域技术人员可以根据实际需要进行选择。
本发明实施例提供了一种显示面板的制作方法，该显示面板的制作方法包括形成阵列基板，阵列基板的中间区域上设置有第一像素电极和第一公共电极，第一像素电极和/或第一公共电极为狭缝电极，阵列基板的周边区域上设置有第二像素电极；形成彩膜基板，彩膜基板的周边区域上设置有第二公共电极，第二像素电极和第二公共电极均为板状电极，此时形成的显示面板的周边区域的暗态由电场控制，进而使得外力的作用对周边区域的暗态无影响，从而可以有效防止显示面板出现漏光现象。
进一步地，为了使显示面板的液晶分子层3内的液晶分子具有特定的初始取向，该显示面板的制作方法还包括：在阵列基板1的中间区域上形成第一取向膜4；在阵列基板1的周边区域上形成第二取向膜6；在彩膜基板2的中间区域上形成第三取向膜5；在彩膜基板2的周边区域上形成第四取向膜7。其中，第一取向膜4和第三取向膜5使液晶分子层3的位于中间区域的所有液晶分子具有水平的初始取向；第二取向膜6和第四取向膜7的取向角度相差90°。
需要说明的是，上述显示面板的制作方法中也未对形成各个取向膜的具体顺序进行限定，本领域技术人员可以根据实际需要进行选择。
进一步地，本发明实施例提供了两种取向膜的制作方式以使得第一取向膜4和第三取向膜5使液晶分子层3的位于中间区域的所有液晶分子具有水平的初始取向；第二取向膜6和第四取向膜7使液晶分子层3的位于周边区域的液晶分子具有渐进扭曲并且角度差在90°之内的初始取向。
第一种方式，在阵列基板1的中间区域上形成第一取向膜4和第三取向膜5，在周边区域上形成第二取向膜6和第四取向膜7，之后包括：采用摩擦取向工艺进行取向。第一取向膜4、第二取向膜6、第三取向膜5和第四取向膜7上的摩擦取向方向可以相同也可以成一定角度，只要能够使得液晶分子层3的位于中间区域的液晶分子具有水平的初始取向，液晶分子层3的位于周边区域的液晶分子具有渐进扭曲并且角度差在90°之内的初始取向即可，本发明实施例对此不进行限定。
第二种方式，向阵列基板1的中间区域或者彩膜基板2的中间区域上滴注感光基团和液晶分子，使用紫外光照射，使得液晶分子层3的位于中间区域的液晶分子具有水平的初始取向。向阵列基板1的周边区域或者彩膜基板2的周边区域上滴注感光基团和液晶分子，使用紫外光照射，使液晶分子层3的位于周边区域的液晶分子具有渐进扭曲并且角度差在90°之内的初始取向。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以所述权利要求的保护范围为准。

Claims (12)

  1. 一种显示面板，包括中间区域和所述中间区域外围的周边区域，其特征在于，在所述中间区域施加的电场为水平电场或者多维电场，在所述周边区域施加的电场为垂直电场。
  2. 根据权利要求1所述的显示面板，其特征在于，所述显示面板包括相对设置的阵列基板和彩膜基板，所述阵列基板的中间区域设置有第一像素电极和第一公共电极，所述第一像素电极和/或所述第一公共电极为狭缝电极，所述阵列基板的周边区域设置有第二像素电极；所述彩膜基板的周边区域设置有第二公共电极，所述第二像素电极和所述第二公共电极均为板状电极。
  3. 根据权利要求2所述的显示面板，其特征在于，所述显示面板包括位于所述阵列基板和所述彩膜基板之间的液晶分子层，其中，位于中间区域的液晶分子具有水平的初始取向，位于周边区域的液晶分子具有渐进扭曲并且角度差在90°之内的初始取向。
  4. 根据权利要求3所述的显示面板，其特征在于，第一取向膜和第三取向膜使位于中间区域的液晶分子具有水平的初始取向；第二取向膜和第四取向膜的取向角度相差90°。
  5. 根据权利要求4所述的显示面板，其特征在于，所述第一取向膜位于所述阵列基板的中间区域，所述第三取向膜位于所述彩膜基板的中间区域，所述第一取向膜和所述第三取向膜为使液晶分子具有水平的初始取向的取向膜，所述第二取向膜位于所述阵列基板的周边区域，所述第四取向膜位于所述彩膜基板的周边区域，所述第二取向膜和所述第四取向膜为使液晶分子具有渐进扭曲并且角度差在90°之内的初始取向的取向膜。
  6. 根据权利要求5所述的显示面板，其特征在于，所述第一取向膜、所述第二取向膜、所述第三取向膜和所述第四取向膜通过采用摩擦取向工艺来实现预定的初始取向。
  7. 根据权利要求5所述的显示面板，其特征在于，所述第一取向膜、所述第二取向膜、所述第三取向膜和所述第四取向膜通过光取向来实现预定的初始取向。
  8. 根据权利要求1所述的显示面板，其特征在于，所述中间区域为所述显示面板的显示区域或者小于所述显示区域。
  9. 一种显示面板的制作方法，其特征在于，包括：
    形成阵列基板，所述阵列基板的中间区域上设置有第一像素电极和第一公共电极，所述第一像素电极和/或所述第一公共电极为狭缝电极，所述阵列基板的周边区域上设置有第二像素电极；
    形成彩膜基板，所述彩膜基板的周边区域上设置有第二公共电极，所述第二像素电极和所述第二公共电极均为板状电极；
    其中所述第一像素电极和所述第一公共电极在所述中间区域施加水平电场或者多维电场，所述第二像素电极和所述第二公共电极在所述周边区域施加垂直电场。
  10. 根据权利要求9所述的显示面板的制作方法，其特征在于，还包括：
    在所述阵列基板的中间区域上形成第一取向膜；
    在所述阵列基板的周边区域上形成第二取向膜；
    在所述彩膜基板的中间区域上形成第三取向膜；
    在所述彩膜基板的周边区域上形成第四取向膜；
    所述第一取向膜和所述第三取向膜使位于中间区域的液晶分子具有水平的初始取向；所述第二取向膜和所述第四取向膜的取向角度相差90°。
  11. 根据权利要求10所述的显示面板的制作方法，其特征在于，
    所述形成第一取向膜、第二取向膜、第三取向膜和第四取向膜的步骤包括：采用摩擦取向工艺进行取向。
  12. 根据权利要求10所述的显示面板的制作方法，其特征在于，还包括：
    向所述阵列基板的中间区域或者所述彩膜基板的中间区域上滴注感光基团和液晶分子，使用紫外光照射，以使得位于中间区域的液晶分子具有水平的初始取向；
    向所述阵列基板的周边区域或者所述彩膜基板的周边区域上滴注感光基团和液晶分子，使用紫外光照射，以使得位于周边区域的液晶分子具有渐进扭曲并且角度差在90°之内的初始取向。
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