WO2022000624A1 - 一种显示面板及显示装置 - Google Patents

一种显示面板及显示装置 Download PDF

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Publication number
WO2022000624A1
WO2022000624A1 PCT/CN2020/103510 CN2020103510W WO2022000624A1 WO 2022000624 A1 WO2022000624 A1 WO 2022000624A1 CN 2020103510 W CN2020103510 W CN 2020103510W WO 2022000624 A1 WO2022000624 A1 WO 2022000624A1
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Prior art keywords
sub
display panel
electrode
pixel unit
pixel
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PCT/CN2020/103510
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English (en)
French (fr)
Inventor
方丽婷
宋琼
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厦门天马微电子有限公司
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Priority to US17/422,716 priority Critical patent/US20220342262A1/en
Publication of WO2022000624A1 publication Critical patent/WO2022000624A1/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
    • G02F1/1343—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
    • G02F1/134372—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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133345—Insulating 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
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • 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
    • G02F1/134345—Subdivided pixels, e.g. for grey scale or redundancy
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
    • B60K35/22—Display screens
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/52—RGB geometrical arrangements

Definitions

  • the present application relates to the field of display technology, and in particular, to a display panel and a display device.
  • in-vehicle display devices are currently the most widely used in the display field. Taking into account the outdoor experience, to ensure that the instrument, navigation and other information can still be displayed normally in the low temperature environment, the vehicle display device needs to maintain a relatively fast response in the low temperature environment.
  • a liquid crystal display panel is mainly used in consideration of various factors such as reliability and cost. Due to the characteristics of the liquid crystal itself, the viscosity of the liquid crystal in the existing liquid crystal display panel increases in a low temperature environment, which leads to a long response time, and is prone to afterimages, which affects the user experience.
  • a solution provided by the prior art is to reduce the cell thickness of the liquid crystal display panel and use a low-viscosity liquid crystal material.
  • the cell thickness of the liquid crystal display panel is too small, which will reduce the transmittance and contrast, and seriously affect the display effect. Therefore, the cell thickness of the liquid crystal display panel is still maintained above 2.8 ⁇ m.
  • the low-viscosity liquid crystal material has a small applicable temperature range, which cannot meet the use requirements of vehicle-mounted display devices.
  • embodiments of the present application provide a display panel and a display device for improving the response speed of a liquid crystal display panel in a low temperature environment.
  • an embodiment of the present application provides a display panel, including: a first substrate, a second substrate disposed opposite to the first substrate, and a liquid crystal layer sealed between the first substrate and the second substrate;
  • the first substrate includes: a base substrate; a plurality of data lines and a plurality of scan lines located on the base substrate, and the plurality of data lines and the plurality of scan lines intersect to define a plurality of sub-pixel units; the sub-pixel units include common layers arranged in different layers electrode and pixel electrode; in at least one sub-pixel unit, the pixel electrode includes at least two strip electrodes, and the at least two strip electrodes include: at least one first strip electrode and at least one second strip electrode, the first The strip electrodes are insulated from the common electrodes, and the voltages of the second strip electrodes and the common electrodes are the same.
  • the number of the first strip electrodes is greater than the number of the second strip electrodes.
  • the second strip electrodes are located between the two first strip electrodes.
  • an insulating layer is included between the pixel electrode and the common electrode, the insulating layer includes a first via hole, and the second strip electrode and the common electrode are electrically connected through the first via hole.
  • the sub-pixel unit is a dual-domain structure, including a first domain region and a second domain region; the strip-shaped electrode includes a first sub-section located in the first domain region and a first sub-section located in the second domain region. Two subsections; the first subsections in the first domain region are parallel, the second subsections in the second domain region are parallel, and the extension directions of the first subsection and the second subsection intersect.
  • the display panel includes an auxiliary electrode, the auxiliary electrode is located between two adjacent sub-pixel units, and the voltage of the auxiliary electrode and the common electrode are the same.
  • the first substrate or the second substrate is provided with a black matrix.
  • the black matrix is located on the side of the pixel electrode away from the base substrate; the vertical projection of the auxiliary electrode on the base substrate is located on the side of the black matrix on the base substrate. In vertical projection.
  • an insulating layer is included between the pixel electrode and the common electrode, the insulating layer includes a second via hole, and the auxiliary electrode and the common electrode are electrically connected through the second via hole.
  • the sub-pixel unit includes a red sub-pixel unit, a blue sub-pixel unit and a green sub-pixel unit; the number of the second strip electrodes in the red sub-pixel unit is greater than that of the second strip electrodes in the green sub-pixel unit The number of the second strip electrodes in the blue sub-pixel unit is greater than the number of the second strip electrodes in the green sub-pixel unit.
  • the sub-pixel unit includes a red sub-pixel unit, a blue sub-pixel unit and a green sub-pixel unit; the area of the green sub-pixel unit is larger than that of the red sub-pixel unit, and/or the green sub-pixel unit The area of is larger than that of the blue sub-pixel unit.
  • an embodiment of the present application further provides a display device including the display panel provided by the present application.
  • the display panel of the present application includes a plurality of sub-pixel units, at least one sub-pixel unit exists, and its pixel electrode includes at least two strip electrodes, respectively: at least one first strip electrode and at least one second strip electrode.
  • the first strip electrode and the common electrode are insulated, and during the operation of the display panel, the voltages of the two are different, and the electric field between the first strip electrode and the common electrode can control the deflection of the liquid crystal molecules in the liquid crystal layer, thereby Realize the display function.
  • the voltage of the second strip electrode and the common electrode is the same, and there is no voltage difference between them, so an electric field that controls the deflection of the liquid crystal molecules will not be formed.
  • the liquid crystal molecules in the area corresponding to the first strip electrode will be deflected during the display process of the display panel, and the liquid crystal molecules in the "virtual wall" can help the deflected liquid crystal molecules to return to the initial state, thereby speeding up the display panel.
  • the response speed ensures that the display panel still has good performance in a low temperature environment.
  • the voltage of the second strip electrode and the common electrode are the same, that is, the voltage of the second strip electrode is constant, it can reduce the display panel. The charge is accumulated, thereby improving the afterimage phenomenon.
  • the display panel provided by the present application can improve the user's experience, and can improve the reliability and safety of the vehicle-mounted display device.
  • FIG. 1 is a schematic structural diagram of a display panel provided by an embodiment of the present application.
  • Fig. 2 is a kind of sectional structure schematic diagram along BB' line in Fig. 1;
  • FIG. 3 is a schematic structural diagram of another display panel provided by an embodiment of the present application.
  • Fig. 4 is a kind of sectional structure schematic diagram along CC' line in Fig. 3;
  • FIG. 5 is a schematic structural diagram of another display panel provided by an embodiment of the present application.
  • Fig. 6 is a kind of sectional structure schematic diagram along DD' line among Fig. 5;
  • FIG. 7 is a schematic cross-sectional structure diagram of another display panel provided by an embodiment of the present application.
  • FIG. 8 is a schematic cross-sectional structure diagram of another display panel provided by an embodiment of the present application.
  • FIG. 9 is a schematic cross-sectional structure diagram of another display panel provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a display device provided by an embodiment of the present application.
  • Fig. 1 is a schematic structural diagram of a display panel provided by an embodiment of the present application
  • Fig. 2 is a cross-sectional structural schematic diagram along the BB' line in Fig. 1;
  • This embodiment provides a display panel including: a first substrate 10, a second substrate 20 disposed opposite to the first substrate 10, and a liquid crystal layer 30 sealed between the first substrate 10 and the second substrate 20;
  • the first substrate 10 includes: a base substrate 101; a plurality of data lines 102 and a plurality of scan lines 103 located on the base substrate 101, and the plurality of data lines 102 and the plurality of scan lines 103 intersect to define a plurality of sub-pixel units 104;
  • the pixel unit 104 includes a common electrode 105 and a pixel electrode 106 arranged in different layers;
  • the pixel electrode 106 includes at least two strip electrodes, and the at least two strip electrodes include: at least one first strip electrode 110 and at least one second strip electrode 120.
  • the electrode 110 and the common electrode 105 are insulated from each other, and the voltage of the second strip electrode 120 and the common electrode 105 are the same.
  • the display panel provided in this embodiment is a liquid crystal display panel, and the liquid crystal layer 30 may be sealed between the first substrate 10 and the second substrate 20 using a frame sealant.
  • the first substrate 10 includes a base substrate 101.
  • the base substrate 101 may be rigid, such as made of glass material, or flexible, such as made of resin material, which is not made in this embodiment. specific restrictions.
  • the base substrate 101 is provided with a plurality of data lines 102 and a plurality of scan lines 103 which are cross-insulated.
  • the data lines 102 and the scan lines 103 define sub-pixel units 104, and the sub-pixel units 104 are provided with common electrodes 105 arranged in different layers. and the pixel electrode 106 .
  • the common electrode 105 may cover only one sub-pixel unit 104, or may cover more than two sub-pixel units 104, and the common electrode 105 may be provided in a strip shape, a block shape, or an entire surface. This is not specifically limited.
  • the pixel electrodes 106 may be arranged in a one-to-one correspondence with the sub-pixel units 104, but this embodiment does not specifically limit this.
  • the pixel electrode 106 includes at least two strip-shaped electrodes.
  • the arrangement direction may be arranged along the extension direction of the scan lines 103 .
  • the at least two strip electrodes are respectively: at least one first strip electrode 110 and at least one second strip electrode 120 .
  • the shapes and sizes of the first strip electrodes 110 and the second strip electrodes 120 may be the same or different, which are not specifically limited in this embodiment.
  • the first strip electrode 110 and the common electrode 105 are insulated, and during the operation of the display panel, the voltages of the two are different, and the electric field between the first strip electrode 110 and the common electrode 105 can control the voltage in the liquid crystal layer 30
  • the liquid crystal molecules are deflected to realize the display function.
  • the voltages of the second strip electrodes 120 and the common electrodes 105 are the same, and there is no voltage difference between them, so no electric field for controlling the deflection of the liquid crystal molecules is formed.
  • the liquid crystal layer 30 is in the area A corresponding to the second strip electrodes 120.
  • the molecules are not deflected, forming a "virtual wall" structure.
  • the liquid crystal molecules in the region corresponding to the first strip electrodes 110 will be deflected during the display process of the display panel, and the liquid crystal molecules in the region A can help the deflected liquid crystal molecules to return to the initial state, thereby speeding up the response of the display panel speed, so that the display panel still has good performance in low temperature environment.
  • the electric field will cause the liquid crystal molecules to fail to return to the original position at the desired speed, thereby affecting the arrangement and penetration of the liquid crystal, and changing the liquid crystal TV (temperature-voltage) curve, so that even when no voltage is applied at all, the arrangement of the liquid crystal will be different from the original arrangement state, and then the image that you want to disappear will still remain on the liquid crystal display panel, forming an image sticking (Image Sticking), affecting the liquid crystal Display panel performance.
  • image Sticking image sticking
  • the display panel provided in this embodiment since the voltages of the second strip electrodes 120 and the common electrodes 105 are the same, that is, the voltage of the second strip electrodes 120 is constant, the accumulation of charges during the operation of the display panel can be reduced, thereby improving the afterimage phenomenon.
  • the display panel provided by the embodiments of the present application can improve the user's use experience, and can improve the reliability and safety of the vehicle-mounted display device.
  • the number of the first strip electrodes 110 is greater than the number of the second strip electrodes 120 .
  • the number of the first strip electrodes 110 is two, and the number of the second strip electrodes 120 is one. Since the second strip electrodes 120 can form a "virtual wall" structure in the liquid crystal layer 30, the liquid crystal molecules are not deflected, that is, the area where the "virtual wall” is located does not have a display function, so the number of the second strip electrodes 120 It should not be too much, so as to ensure that the display panel still has a good display effect and a high transmittance, thereby ensuring the display quality of the display panel and the user experience.
  • the second strip electrodes 120 are located between the two first strip electrodes 110 .
  • the liquid crystal molecules on both sides of the “virtual wall” can be deflected to realize the display function, and the “virtual wall” can help the liquid crystal molecules on both sides to recover.
  • the response speed of the display panel is accelerated, the display panel still has good performance in a low temperature environment, the user experience is improved, and the reliability and safety of the in-vehicle display device can be improved.
  • Fig. 3 is the structural representation of another kind of display panel provided by the embodiment of the application;
  • Fig. 4 is a kind of cross-sectional structural representation along CC' line in Fig. 3;
  • an insulating layer 130 is included between the pixel electrode 106 and the common electrode 105 , the insulating layer 130 includes a first via hole 131 , and the second strip electrode 120 and the common electrode 105 are electrically connected through the first via hole 131 . connect.
  • an etching process may be used to form the first via holes 131 in the insulating layer 130 .
  • the first via holes 131 penetrate through the insulating layer 130 and correspond to the common electrode 105 and the second stripe shape respectively.
  • electrode 120 In the pixel electrode 106 to be fabricated subsequently, the second strip electrode 120 is connected to the common electrode 105 through the first via hole 131, so the second strip electrode 120 and the common electrode 105 can always maintain the same voltage without any additional
  • the second strip electrodes 120 provide electrical signals, which simplifies the signals of the display panel.
  • the sub-pixel unit may be a single-domain structure or a dual-domain structure.
  • the present application only takes the sub-pixel unit as an example of a dual-domain structure for description.
  • the sub-pixel unit 104 is a dual-domain structure, including a first domain region 1041 and a second domain region 1042 ;
  • the strip electrode includes a first sub-section 1061 located in the first domain region 1041 and a second sub-section 1062 located in the second domain region 1042;
  • the first subsections 1061 in the first domain region 1041 are parallel, the second subsections 1062 in the second domain region 1042 are parallel, and the extending directions of the first subsections 1061 and the second subsections 1062 intersect.
  • the dual domain structure of the sub-pixel unit is briefly described as follows.
  • the viewing angle of the liquid crystal display panel has the weakness of anisotropy. This is because the liquid crystal molecules are approximately cylindrical, with long and short axes, the deflection directions of the liquid crystal molecules are different, and the optical path difference of the light passing through the liquid crystal display panel is different.
  • the viewing angle of the liquid crystal display panel is anisotropic.
  • the principle of the double domain structure is that by setting the pixel electrode into a double domain structure, two kinds of domain regions are formed in the display panel, namely the first domain region 1041 and the second domain region 1042, and the first domain region 1041 and the second domain region respectively.
  • the liquid crystal molecules of the domain region 1042 rotate in opposite directions.
  • the viewing angles of the first domain region 1041 and the second domain region 1042 can be complementary, which can solve the viewing angle problem in the horizontal or vertical direction.
  • the dual domain structure increases the viewing angle of the liquid crystal display panel and improves the color shift problem of the display panel.
  • the strip electrodes are in a bent shape as a whole, similar to the shape of the symbol " ⁇ ".
  • Some of the strip electrodes located in the first domain region 1041 extend in the same or approximately the same direction as a whole.
  • the part of the strip electrodes in the first domain region 1041 has three subsections as an example. It should be noted that the extending directions of the three sub-sections are not exactly the same, but generally the extending directions are approximately the same.
  • some of the strip-shaped electrodes in the second domain region 1042 extend in the same or approximately the same direction as a whole.
  • some of the strip-shaped electrodes in the second domain region 1042 have three subsections as As an example, the extending directions of the three sub-sections are not completely the same, but the extending directions are generally the same.
  • the first sub-portion 1061 and the second sub-portion 1062 may be arranged in mirror symmetry, and their general extending directions intersect.
  • the sub-pixel unit may adopt a dual-domain structure, and the display panel with the dual-domain structure has higher display quality. In the case of ensuring high display quality, the corresponding speed has been further improved.
  • Fig. 5 is a schematic structural diagram of another display panel provided by an embodiment of the present application
  • Fig. 6 is a cross-sectional structural schematic diagram along line DD' in Fig. 5;
  • the display panel includes auxiliary electrodes 140 , the auxiliary electrodes 140 are located between two adjacent sub-pixel units 104 , and the voltages of the auxiliary electrodes 140 and the common electrodes 105 are the same.
  • the display panel provided in this embodiment is provided with auxiliary electrodes 140, and there is no voltage difference between the auxiliary electrodes 140 and the common electrode 105, and an electric field for controlling the deflection of liquid crystal molecules cannot be formed therebetween. That is, the liquid crystal molecules of the liquid crystal layer 30 in the region corresponding to the auxiliary electrode 140 are not deflected, and a "virtual wall" structure is also formed.
  • the liquid crystal molecules between two adjacent sub-pixel units 104 are not deflected.
  • the "virtual wall” can prevent the light of the sub-pixel unit 104 from being emitted from the sub-pixel unit adjacent to it, resulting in the phenomenon of color mixing.
  • the liquid crystal display panel cannot emit light by itself, and a backlight module needs to be provided to provide a light source.
  • the "virtual wall” structure can block part of the light L emitted from the backlight module and prevent the light L from being emitted from the adjacent sub-pixel units, thereby cause color mixing. Therefore, the display panel provided in this embodiment can improve the contrast ratio of the display panel, improve the color shift problem of the display panel, and further improve the display quality.
  • the auxiliary electrode 140 and the pixel electrode 106 are made of the same material and provided in the same layer.
  • the auxiliary electrode 140 and the pixel electrode 106 can be fabricated by using the same material in the same process, which can avoid increasing the film structure of the display panel and avoid adding additional processes. Process.
  • the first substrate 10 or the second substrate 20 is provided with a black matrix 150, and the black matrix 150 is located on the side of the pixel electrode 106 away from the base substrate 101;
  • the vertical projection of the auxiliary electrode 140 on the base substrate 101 is located within the vertical projection of the black matrix 150 on the base substrate 101 .
  • the black matrix 150 is provided in the second substrate 20 as an example for description; in some other optional embodiments of the present application, the black matrix 150 may also be provided in the first substrate 20 .
  • the black matrix 150 is located on the side of the pixel electrode 106 away from the base substrate 101 , so that structures such as electrodes, wirings, etc. in the display panel can be blocked, and the display quality can be improved.
  • a black matrix is usually set between two adjacent sub-pixel units 104 to block the data lines 102.
  • the auxiliary electrode 140 is set below the black matrix 150, and the black matrix 150 can be reused to block the auxiliary electrode to ensure that Display quality of the display panel.
  • FIG. 7 is a schematic cross-sectional structure diagram of another display panel provided by an embodiment of the present application.
  • an insulating layer 130 is included between the pixel electrode 106 and the common electrode 105, the insulating layer 130 includes a second via hole 132, and the auxiliary electrode 140 and the common electrode 105 are electrically connected through the second via hole 132.
  • FIG. 8 is a schematic cross-sectional structure diagram of another display panel provided by an embodiment of the present application.
  • the sub-pixel unit 104 includes a red sub-pixel unit, a blue sub-pixel unit and a green sub-pixel unit;
  • the number of the second strip electrodes 120 in the blue sub-pixel unit is greater than the number of the second strip electrodes 120 in the green sub-pixel unit.
  • the sub-pixel unit 104 includes a red sub-pixel unit, a blue sub-pixel unit and a green sub-pixel unit. It is higher than the red color resist material and the blue color resist material, so the transmittance of the green sub-pixel unit is higher than the other two.
  • the number of the second strip electrodes 120 in the green sub-pixel unit is set to be small, which can further improve the transmittance of the green sub-pixel, thereby improving the transmittance of the entire display panel. In order to balance the decrease in transmittance caused by the second strip electrodes 120, the display quality of the display panel is guaranteed.
  • the number of the second strip electrodes 120 in the red sub-pixel unit 104R is 1, and the number of the second strip electrodes 120 in the green sub-pixel unit 104G is 0 for description.
  • the number of the second strip electrodes 120 in the red sub-pixel unit 104R may be 2, and the number of the second strip electrodes 120 in the green sub-pixel unit 104G may be 1 or 0. This application will not list and describe them one by one here.
  • the number of the second strip electrodes 120 in the blue sub-pixel unit can also be set to be greater than the number of the second strip electrodes 120 in the green sub-pixel unit, or the red sub-pixel units 104R and 104R can be set.
  • the number of the second strip electrodes 120 in the blue sub-pixel unit is greater than the number of the second strip electrodes 120 in the green sub-pixel unit 104G. This embodiment will not be repeated here.
  • FIG. 9 is a schematic cross-sectional structure diagram of another display panel provided by an embodiment of the present application.
  • the sub-pixel unit 104 includes a red sub-pixel unit 104R, a blue sub-pixel unit 104B and a green sub-pixel unit 104G;
  • the green sub-pixel cell 104G has a larger area than the red sub-pixel cell 104R, and/or
  • this embodiment may include the following three specific implementations: first, the area of the green sub-pixel unit 104G is larger than that of the red sub-pixel unit 104R, and the area of the green sub-pixel unit 104G may be smaller than or equal to the blue sub-pixel area of the unit. Second, the area of the green sub-pixel unit 104G is larger than that of the blue sub-pixel unit, and the area of the green sub-pixel unit 104G may be smaller than or equal to the area of the red sub-pixel unit 104R. Third, the area of the green sub-pixel unit 104G is larger than that of the red sub-pixel unit 104R, and the area of the green sub-pixel unit 104G is larger than that of the blue sub-pixel unit.
  • the sub-pixel unit 104 includes a red sub-pixel unit, a blue sub-pixel unit and a green sub-pixel unit. Due to the different materials of the color resistance 200, the transmittance of the green color resistance material is higher than that of the red color resistance material. The color resist material and the blue color resist material, so the transmittance of the green sub-pixel unit is higher than the other two. In this embodiment, the area of the green sub-pixel unit is set larger, which can further improve the transmittance of the green sub-pixel, thereby improving the transmittance of the entire display panel. In order to balance the decrease in transmittance caused by the second strip electrodes 120, the display quality of the display panel is guaranteed.
  • An embodiment of the present invention further provides a display device, including the display panel provided by any of the above embodiments of the present invention.
  • An embodiment of the present application further provides a display device.
  • FIG. 10 is a schematic structural diagram of the display device provided by the embodiment of the present application, and the display device includes any one of the above-mentioned display panels 00 . Wherein, the specific structure of the display panel has been described in detail in the above embodiments, and will not be repeated here.
  • the display device shown in FIG. 10 is only schematically illustrated by taking a vehicle-mounted display device as an example, and the display device can also be any electronic device with display function, such as a mobile phone, a tablet computer, a notebook computer, an electronic paper book, or a TV.
  • the display panel provided by the embodiments of the present application includes a plurality of sub-pixel units, at least one sub-pixel unit exists, and the pixel electrodes thereof include at least two strip electrodes, which are: at least one first strip electrode and at least one second strip electrode, respectively. shaped electrode.
  • the first strip electrode and the common electrode are insulated, and during the operation of the display panel, the voltages of the two are different, and the electric field between the first strip electrode and the common electrode can control the deflection of the liquid crystal molecules in the liquid crystal layer, thereby Realize the display function.
  • the voltage of the second strip electrode and the common electrode is the same, and there is no voltage difference between them, so an electric field that controls the deflection of the liquid crystal molecules will not be formed.
  • the liquid crystal molecules in the area corresponding to the first strip electrode will be deflected during the display process of the display panel, and the liquid crystal molecules in the "virtual wall" can help the deflected liquid crystal molecules to return to the initial state, thereby speeding up the display panel.
  • the response speed makes the display panel still have good performance in low temperature environment.
  • the voltage of the second strip electrode and the common electrode are the same, that is, the voltage of the second strip electrode is constant, the accumulation of charges on the display panel can be reduced, thereby improving the image sticking phenomenon.
  • the display panel provided by the embodiments of the present application can improve the user experience, and can improve the reliability and safety of the vehicle-mounted display device.

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Abstract

本申请实施例提供一种显示面板及显示装置，显示面板包括第一基板、第二基板、液晶层；第一基板包括：衬底基板；多条数据线和多条扫描线交叉限定多个子像素单元；子像素单元包括异层设置的公共电极和像素电极；在至少一个子像素单元中，像素电极包括至少两个条形电极，至少两个条形电极包括：至少一个第一条形电极、以及至少一个第二条形电极，第一条形电极和公共电极绝缘，第二条形电极和公共电极电压相同。相较现有技术，可提升显示面板在低温环境下的响应速度，提升显示品质。

Description

一种显示面板及显示装置
本申请要求于2020年06月30日提交中国专利局、申请号为202010623333.5、发明名称为“一种显示面板及显示装置”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及显示装置。
背景技术
使用车载显示装置作为中控台，已经得到了广泛的普及。车载显示装置是目前显示领域中使用温度范围最广的一种。考虑到户外的使用体验，保证在低温环境下仍旧可以正常显示仪表、导航等信息，车载显示装置需要在低温环境下依然维持较快的响应。
现有的车载显示装置中，出于信赖性、成本等多方因素的考虑，主要采用液晶显示面板。现有的液晶显示面板由于液晶自身的特性，在低温环境下液晶的粘度上升，导致响应时间较长，容易出现残影，影响了用户的使用体验，严重时会出现信息偏差，存在安全隐患。
为了缩短液晶显示面板的响应时间，现有技术提供的一种解决方案是：减少液晶显示面板的盒厚，并且使用低粘度的液晶材料。但是液晶显示面板的盒厚过小，会降低穿透率和对比度，严重影响显示效果，因此液晶显示面板的盒厚依然维持在2.8μm以上。并且，低粘度的液晶材料适用的温度范围较小，无法满足车载显示装置的使用需求。
因此，提升液晶显示面板在低温环境下的响应速度，是本领域亟待解决的技术问题。
发明内容
有鉴于此，本申请实施例提供了一种显示面板及显示装置，用于提升液晶显示面板在低温环境下的响应速度。
一方面，本申请实施例提供了一种显示面板，包括：第一基板、 与第一基板相对设置的第二基板，以及密封于第一基板和第二基板之间的液晶层；
第一基板包括：衬底基板；位于衬底基板上的多条数据线和多条扫描线，多条数据线和多条扫描线交叉限定多个子像素单元；子像素单元包括异层设置的公共电极和像素电极；在至少一个子像素单元中，像素电极包括至少两个条形电极，至少两个条形电极包括：至少一个第一条形电极、以及至少一个第二条形电极，第一条形电极和公共电极绝缘，第二条形电极和公共电极电压相同。
在一些可选的实现方式中，第一条形电极的数量大于第二条形电极的数量。
在一些可选的实现方式中，第二条形电极位于两个第一条形电极之间。
在一些可选的实现方式中，像素电极和公共电极之间包括绝缘层，绝缘层包括第一过孔，第二条形电极和公共电极通过第一过孔电连接。
在一些可选的实现方式中，子像素单元为双畴结构，包括第一畴区和第二畴区；条形电极包括位于第一畴区的第一子部和位于第二畴区的第二子部；第一畴区中的各第一子部平行，第二畴区的各第二子部平行，第一子部和第二子部的延伸方向相交。
在一些可选的实现方式中，显示面板包括辅助电极，辅助电极位于相邻的两个子像素单元之间，辅助电极和公共电极的电压相同。
在一些可选的实现方式中，辅助电极和像素电极的材料相同且同层设置。
在一些可选的实现方式中，第一基板或者第二基板设置有黑矩阵黑矩阵位于像素电极背离衬底基板的一侧；辅助电极在衬底基板的垂直投影位于黑矩阵在衬底基板的垂直投影内。
在一些可选的实现方式中，像素电极和公共电极之间包括绝缘层，绝缘层包括第二过孔，辅助电极和公共电极通过第二过孔电连接。
在一些可选的实现方式中，子像素单元包括红色子像素单元、蓝色子像素单元和绿色子像素单元；红色子像素单元中第二条形电极的数量大于绿色子像素单元中第二条形电极的数量，和/或蓝色子像素单元中第二条形电极的数量大于绿色子像素单元中第二条形电极的数量。
在一些可选的实现方式中，子像素单元包括红色子像素单元、蓝色子像素单元和绿色子像素单元；绿色子像素单元的面积大于红色子像素单元的面积，和/或绿色子像素单元的面积大于蓝色子像素单元的面积。
另一方面，本申请实施例还提供了一种显示装置，包括本申请提供的显示面板。
本申请实施例提供的显示面板及显示装置，至少可以实现如下的有益效果：
本申请的显示面板包括多个子像素单元，至少存在一个子像素单元，其像素电极包括至少两个条形电极，分别为：至少一个第一条形电极、以及至少一个第二条形电极。
其中，第一条形电极和公共电极绝缘，且在显示面板的工作过程中，二者的电压不同，第一条形电极和公共电极之间的电场可以控制液晶层中的液晶分子偏转，从而实现显示功能。第二条形电极和公共电极电压相同，二者之间没有电压差，因而不会形成控制液晶分子偏转的电场，液晶层在第二条形电极所对应的区域中，液晶分子不偏转，形成了“虚拟墙”的结构。而第一条形电极所对应的区域中的液晶分子在显示面板的显示过程中会发生偏转，“虚拟墙”中的液晶分子可以帮助发生偏转的液晶分子恢复到初始状态，从而加快显示面板的响应速度，使显示面板在低温环境中依旧具有良好的性能，除此之外，由于第二条形电极和公共电极电压相同，即为第二条形电极的电压恒定，因此可以减轻显示面板的电荷累积，从而改善残影现象。本申请提供的显示面板可以改善用户的使用体验，并且可以提升车载显示装置的可靠性和安全性。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对实施例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的前提下，还可以根据这些附图获得其它的附图。
图1是本申请实施例所提供的一种显示面板的结构示意图；
图2是沿图1中BB’线的一种剖面结构示意图；
图3是本申请实施例所提供的另一种显示面板的结构示意图；
图4是沿图3中CC’线的一种剖面结构示意图；
图5是本申请实施例所提供的又一种显示面板的结构示意图；
图6是沿图5中DD’线的一种剖面结构示意图；
图7是本申请实施例所提供的又一种显示面板的剖面结构示意图；
图8是本申请实施例所提供的又一种显示面板的剖面结构示意图；
图9是本申请实施例所提供的又一种显示面板的剖面结构示意图；
图10是本申请实施例所提供的一种显示装置的结构示意图。
具体实施方式
为了更好的理解本申请的技术方案，下面结合附图对本申请实施例进行详细描述。
应当明确，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本申请保护的范围。
在本申请实施例中使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本申请。在本申请实施例和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。
应当理解，本文中使用的术语“和/或”仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
本说明书的描述中，需要理解的是，本申请权利要求及实施例所描述的“基本上”、“近似”、“大约”、“约”、“大致”“大体上”等词语，是指在合理的工艺操作范围内或者公差范围内，可以大体上认同的，而不是一个精确值。
请参考图1和图2，图1是本申请实施例所提供的一种显示面板的结构示意图；图2是沿图1中BB’线的一种剖面结构示意图；
本实施例提供了一种显示面板，包括：第一基板10、与第一基板10相对设置的第二基板20，以及密封于第一基板10和第二基板20之间的液晶层30；
第一基板10包括：衬底基板101；位于衬底基板101上的多条数据线102和多条扫描线103，多条数据线102和多条扫描线103交叉限定多个子像素单元104；子像素单元104包括异层设置的公共电极105和像素电极106；
在至少一个子像素单元104中，像素电极106包括至少两个条形电极，至少两个条形电极包括：至少一个第一条形电极110、以及至少一个第二条形电极120，第一条形电极110和公共电极105绝缘，第二条形电极120和公共电极105电压相同。
本实施例提供的显示面板为液晶显示面板，液晶层30可以使用封框胶密封在第一基板10和第二基板20之间。
其中，第一基板10包括衬底基板101，衬底基板101可以为硬质的，例如使用玻璃材料制作而成，也可以为柔性的，例如使用树脂材料制作而成，本实施例对此不作具体限制。
衬底基板101上设置有交叉绝缘的多条数据线102和多条扫描线103，数据线102和扫描线103限定出子像素单元104，子像素单 元104中设置有异层设置的公共电极105和像素电极106。需要说明的是，公共电极105可以仅覆盖一个子像素单元104，也可以覆盖两个以上的子像素单元104，公共电极105可以为长条形、块状、或者整面设置，本实施例对此不作具体限制。像素电极106可以和子像素单元104一一对应设置，但本实施例对此不作具体限制。
多个子像素单元104中，至少存在一个子像素单元104，其像素电极106包括至少两个条形电极，条形电极的总体的延伸方向可以和数据线102大致相同，至少两个条形电极的排列方向可以沿着扫描线103的延伸方向排列。其中，至少两个条形电极分别为：至少一个第一条形电极110、以及至少一个第二条形电极120。第一条形电极110和第二条形电极120的形状、大小可以完全相同，也可以不同，本实施例对此不作具体限制。
其中，第一条形电极110和公共电极105绝缘，且在显示面板的工作过程中，二者的电压不同，第一条形电极110和公共电极105之间的电场可以控制液晶层30中的液晶分子偏转，从而实现显示功能。
第二条形电极120和公共电极105电压相同，二者之间没有电压差，因而不会形成控制液晶分子偏转的电场，液晶层30在第二条形电极120所对应的区域A中，液晶分子不偏转，形成了“虚拟墙”的结构。而第一条形电极110所对应的区域中的液晶分子在显示面板的显示过程中会发生偏转，区域A中的液晶分子可以帮助发生偏转的液晶分子恢复到初始状态，从而加快显示面板的响应速度，使显示面板在低温环境中依旧具有良好的性能。
除此之外，在液晶的制造过程中，不可避免地会在液晶中残留可移动的杂质离子，在液晶被施加电场时，杂质离子会受到电极上与其相反的电荷的吸引而向电极移动，如果在阵列基板的电极上持续残留相同极性的电压(也即直流偏置电压(DC bias)，例如，对像素电极施加正负交流电压时，若正电压高于负电压，则形成正性偏置电压，该偏置电压会吸引液晶面板内的杂质离子形成内部电场。 该电场会导致液晶分子不能以期望的速度回复初始的位置，由此影响液晶的排列和穿透度，改变液晶的T-V(温度-电压)曲线，使得即使完全不施加电压时，液晶的排列会与原始排列状态不同，进而导致希望消失的图像仍然残留在液晶显示面板上，形成残影(Image Sticking)，影响液晶显示面板的性能。
本实施例提供的显示面板中，由于第二条形电极120和公共电极105电压相同，即为第二条形电极120的电压恒定，因此可以减轻显示面板在工作过程中的电荷累积，从而改善残影现象。本申请实施例提供的显示面板，可以改善用户的使用体验，并且可以提升车载显示装置的可靠性和安全性。
在一些可选的实施例中，第一条形电极110的数量大于第二条形电极120的数量。例如图1和图2所示的显示面板中，第一条形电极110的数量为两条，第二条形电极120的数量为一条。由于第二条形电极120在液晶层30中可以形成“虚拟墙”的结构，使液晶分子不发生偏转，即为“虚拟墙”所在区域不具有显示功能，因此第二条形电极120的数量不宜过多，以保证显示面板仍具有较好的显示效果、以及较高的透过率，从而保证显示面板的显示品质，保证用户的使用体验。
在一些可选的实施例中，第二条形电极120位于两个第一条形电极110之间。例如请参考图1和图2所示的显示面板，液晶层30中，“虚拟墙”两侧的液晶分子均可以发生偏转，实现显示功能，“虚拟墙”可以帮助其两侧的液晶分子恢复到初始状态，从而加快显示面板的响应速度，使显示面板在低温环境中依旧具有良好的性能，改善用户的使用体验，并且可以提升车载显示装置的可靠性和安全性。
请参考图3和图4，图3是本申请实施例所提供的另一种显示 面板的结构示意图；图4是沿图3中CC’线的一种剖面结构示意图；
在一些可选的实施例中，像素电极106和公共电极105之间包括绝缘层130，绝缘层130包括第一过孔131，第二条形电极120和公共电极105通过第一过孔131电连接。
在制作本实施例提供的显示面板的过程中，可以在绝缘层130中使用刻蚀工艺形成第一过孔131，第一过孔131贯穿绝缘层130，分别对应公共电极105和第二条形电极120。在随后制作的像素电极106中，第二条形电极120通过第一过孔131和公共电极105连接，因此可以使第二条形电极120和公共电极105始终保持相同的电压，且无需额外向第二条形电极120提供电信号，简化了显示面板的信号。
本申请各实施例提供的显示面板，子像素单元可以为单畴结构，也可以为双畴结构。下面，本申请仅以子像素单元为双畴结构为例进行说明。
请继续参考图3，在一些可选的实施例中，子像素单元104为双畴结构，包括第一畴区1041和第二畴区1042；
条形电极包括位于第一畴区1041的第一子部1061和位于第二畴区1042的第二子部1062；
第一畴区1041中的各第一子部1061平行，第二畴区1042的各第二子部1062平行，第一子部1061和第二子部1062的延伸方向相交。
对于子像素单元的双畴结构，进行简要说明如下。液晶显示面板的视角具有各向异性的弱点，这是由于液晶分子为近似圆柱状、具有长轴和短轴，液晶分子的偏转方向不同、通过液晶显示面板的光线的光程差不同，因而造成液晶显示面板的视角具有各向异性的现象。双畴结构的原理是，通过将像素电极设置为双畴结构，在显示面板的中形成两种畴区，分别为第一畴区1041和第二畴区1042，第一畴区1041和第二畴区1042的液晶分子旋转方向正好相反，在 不同的视角方向上，第一畴区1041和第二畴区1042的视角可以互补，这样可以解决水平或者垂直方向的视角问题。双畴结构以增大液晶显示面板的视角，改善显示面板的色偏问题。
本实施例提供的显示面板，条形电极整体上为弯折的形状，类似符号“<”的形状。位于第一畴区1041中的部分条形电极整体上的延伸方向相同或者大致相同，图3所示意的显示面板中，以第一畴区1041中的部分条形电极具有三段子部为例进行说明，三段子部的延伸方向不完全相同，但是总体上的延伸方向大致相同。同理，第二畴区1042中的部分条形电极整体上的延伸方向相同或者大致相同，图3所示意的显示面板中，以第二畴区1042中的部分条形电极具有三段子部为例进行说明，三段子部的延伸方向不完全相同，但是总体上的延伸方向大致相同。
第一子部1061和第二子部1062可以为镜像对称设置，二者的总体上的延伸方向相交。
本实施例提供的显示面板中，子像素单元可以采用双畴结构，双畴结构的显示面板显示品质较高。在保证高显示品质的情况下，进一步提升了相应速度。
请参考图5和图6，图5是本申请实施例所提供的又一种显示面板的结构示意图；图6是沿图5中DD’线的一种剖面结构示意图；
在一些可选的实施例中，显示面板包括辅助电极140，辅助电极140位于相邻的两个子像素单元104之间，辅助电极140和公共电极105的电压相同。
本实施例提供的显示面板中设置了辅助电极140，辅助电极140和公共电极105之间不具有压差，二者之间无法形成控制液晶分子偏转的电场。即为，液晶层30在辅助电极140所对应的区域中的液晶分子不偏转，也形成了“虚拟墙”结构。
本实施例中，相邻的两个子像素单元104之间的液晶分子不偏转。在显示面板工作的过程中，“虚拟墙”可以避免子像素单元104 的光从与其相邻的子像素单元中出射，造成混色现象。具体而言，液晶显示面板无法自发光，需要提供设置背光模组提供光源，“虚拟墙”结构可以阻挡从背光模组出射的部分光线L，防止光线L从相邻的子像素单元出射，从而造成混色现象。因此，本实施例提供的显示面板，可以提升显示面板的对比度，改善显示面板的色偏问题，进一步提升显示品质。
可选的，辅助电极140和像素电极106的材料相同且同层设置。在制作本实施例提供的显示面板的过程中，可以在同一工艺制程中，使用同种材料同时制作辅助电极140和像素电极106，可以避免增加显示面板的膜层结构、也避免增加额外的工艺制程。
请继续参考图5和图6，在一些可选的实施例中，第一基板10或者第二基板20设置有黑矩阵150，黑矩阵150位于像素电极106背离衬底基板101的一侧；
辅助电极140在衬底基板101的垂直投影位于黑矩阵150在衬底基板101的垂直投影内。
本实施例中，仅以黑矩阵150设置在第二基板20中为例进行说明；在本申请一些其他可选的实施例中，黑矩阵150也可以设置在第一基板20中。黑矩阵150位于像素电极106背离衬底基板101的一侧，从而可以遮挡显示面板中的电极、走线等结构，提升显示品质。相邻的两个子像素单元104之间通常设置有黑矩阵，以遮挡数据线102，本实施例中，将辅助电极140设置在黑矩阵150的下方，可以复用黑矩阵150遮挡辅助电极，保证显示面板的显示品质。
请参考图7，图7是本申请实施例所提供的又一种显示面板的剖面结构示意图；
在一些可选的实施例中，像素电极106和公共电极105之间包括绝缘层130，绝缘层130包括第二过孔132，辅助电极140和公共 电极105通过第二过孔132电连接。
在制作本实施例提供的显示面板的过程中，可以在绝缘层130中使用刻蚀工艺形成第二过孔132，第二过孔132贯穿绝缘层130，分别对应公共电极105和辅助电极140。在随后制作的像素电极106中，辅助电极140通过第二过孔132和公共电极105连接，因此可以使辅助电极140和公共电极105始终保持相同的电压，且无需额外向辅助电极140提供电信号，简化了显示面板的信号。
本申请实施例提供的显示面板，为了进一步提升显示面板的透过率，提供了如下文所述的实施方式。
请参考图8，图8是本申请实施例所提供的又一种显示面板的剖面结构示意图；
在一些可选的实施例中，子像素单元104包括红色子像素单元、蓝色子像素单元和绿色子像素单元；
红色子像素单元104R中第二条形电极120的数量大于绿色子像素单元104G中第二条形电极120的数量，和/或
蓝色子像素单元中第二条形电极120的数量大于绿色子像素单元中第二条形电极120的数量。
具体的，本申请实施例提供的显示面板中，子像素单元104包括红色子像素单元、蓝色子像素单元和绿色子像素单元，由于色阻200的材料不同，绿色色阻材料的透过率高于红色色阻材料和蓝色色阻材料，因而绿色子像素单元的透过率高于其他两者。本实施例中，将绿色子像素单元中的第二条形电极120的数量设置的较少，可以进一步提升绿色子像素的透过率，从而提升整个显示面板的透过率。以平衡由于第二条形电极120导致的透过率降低，保证了显示面板的显示品质。
图8中所示意的显示面板中，以红色子像素单元104R中第二条形电极120的数量为1，且绿色子像素单元104G中第二条形电极120的数量为0进行说明。在本申请其他可选的实施例中，红色子像素 单元104R中第二条形电极120的数量可以为2，且绿色子像素单元104G中第二条形电极120的数量可以为1或者0。本申请在此不再一一列举说明。
除了图8所示意的实施方式外，还可以设置蓝色子像素单元中第二条形电极120的数量大于绿色子像素单元中第二条形电极120的数量，或者设置红色子像素单元104R和蓝色子像素单元中第二条形电极120的数量均大于绿色子像素单元104G中第二条形电极120的数量。本实施例在此不再一一赘述。
请参考图9，图9是本申请实施例所提供的又一种显示面板的剖面结构示意图；
在一些可选的实施例中，子像素单元104包括红色子像素单元104R、蓝色子像素单元104B和绿色子像素单元104G；
绿色子像素单元104G的面积大于红色子像素单元104R的面积，和/或
绿色子像素单元104G的面积大于蓝色子像素单元的面积。
具体的，本实施例可以包括如下三种具体实施方式：第一种，绿色子像素单元104G的面积大于红色子像素单元104R的面积，绿色子像素单元104G的面积可以小于或者等于蓝色子像素单元的面积。第二种，绿色子像素单元104G的面积大于蓝色子像素单元，绿色子像素单元104G的面积可以小于或者等于红色子像素单元104R的面积。第三种，绿色子像素单元104G的面积大于红色子像素单元104R的面积，并且绿色子像素单元104G的面积大于蓝色子像素单元的面积。
本申请实施例提供的显示面板中，子像素单元104包括红色子像素单元、蓝色子像素单元和绿色子像素单元，由于色阻200的材料不同，绿色色阻材料的透过率高于红色色阻材料和蓝色色阻材料，因而绿色子像素单元的透过率高于其他两者。本实施例中，将绿色子像素单元的面积设置的较大一些，可以进一步提升绿色子像素的 透过率，从而提升整个显示面板的透过率。以平衡由于第二条形电极120导致的透过率降低，保证了显示面板的显示品质。
本发明实施例还提供了一种显示装置，包括本发明上述任一实施例提供的显示面板。本申请实施例还提供了一种显示装置，如图10所示，图10为本申请实施例所提供的显示装置的结构示意图，该显示装置包括上述任一显示面板00。其中，显示面板的具体结构已经在上述实施例中进行了详细说明，此处不再赘述。当然，图10所示的显示装置仅仅以车载显示装置为例示意说明，该显示装置也可以是例如手机、平板计算机、笔记本电脑、电纸书或电视机等任何具有显示功能的电子设备。
本申请上述实施例提供的显示面板和显示装置，至少具有如下的有益效果：
本申请各实施例提供的显示面板包括多个子像素单元，至少存在一个子像素单元，其像素电极包括至少两个条形电极，分别为：至少一个第一条形电极、以及至少一个第二条形电极。
其中，第一条形电极和公共电极绝缘，且在显示面板的工作过程中，二者的电压不同，第一条形电极和公共电极之间的电场可以控制液晶层中的液晶分子偏转，从而实现显示功能。第二条形电极和公共电极电压相同，二者之间没有电压差，因而不会形成控制液晶分子偏转的电场，液晶层在第二条形电极所对应的区域中，液晶分子不偏转，形成了“虚拟墙”的结构。而第一条形电极所对应的区域中的液晶分子在显示面板的显示过程中会发生偏转，“虚拟墙”中的液晶分子可以帮助发生偏转的液晶分子恢复到初始状态，从而加快显示面板的响应速度，使显示面板在低温环境中依旧具有良好的性能。除此之外，由于第二条形电极和公共电极电压相同，即为第二条形电极的电压恒定，因此可以减轻显示面板的电荷累积，从而改善残影现象。本申请实施例提供的显示面板，可以改善用户的使用体验，并且可以提升车载显示装置的可靠性和安全性。
以上所述仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本申请保护的范围之内。

Claims (12)

  1. 一种显示面板，其特征在于，包括：
    第一基板、与所述第一基板相对设置的第二基板，以及密封于所述第一基板和第二基板之间的液晶层；
    所述第一基板包括：
    衬底基板；位于所述衬底基板上的多条数据线和多条扫描线，所述多条数据线和所述多条扫描线交叉限定多个子像素单元；所述子像素单元包括异层设置的公共电极和像素电极；
    在至少一个所述子像素单元中，所述像素电极包括至少两个条形电极，所述至少两个条形电极包括：至少一个第一条形电极、以及至少一个第二条形电极，所述第一条形电极和所述公共电极绝缘，所述第二条形电极和所述公共电极电压相同。
  2. 根据权利要求1所述的显示面板，其特征在于：
    所述第一条形电极的数量大于所述第二条形电极的数量。
  3. 根据权利要求2所述的显示面板，其特征在于：
    所述第二条形电极位于两个所述第一条形电极之间。
  4. 根据权利要求1所述的显示面板，其特征在于：
    所述像素电极和所述公共电极之间包括绝缘层，所述绝缘层包括第一过孔，所述第二条形电极和所述公共电极通过所述第一过孔电连接。
  5. 根据权利要求1所述的显示面板，其特征在于：
    所述子像素单元为双畴结构，包括第一畴区和第二畴区；
    所述条形电极包括位于所述第一畴区的第一子部和位于所述第二畴区的第二子部；
    所述第一畴区中的各第一子部平行，所述第二畴区的各所述第二子部平行，所述第一子部和所述第二子部的延伸方向相交。
  6. 根据权利要求1所述的显示面板，其特征在于：
    所述显示面板包括辅助电极，所述辅助电极位于相邻的两个所述子像素单元之间，所述辅助电极和所述公共电极的电压相同。
  7. 根据权利要求6所述的显示面板，其特征在于：
    所述辅助电极和所述像素电极的材料相同且同层设置。
  8. 根据权利要求6所述的显示面板，其特征在于：
    所述第一基板或者所述第二基板设置有黑矩阵所述黑矩阵位于所述像素电极背离所述衬底基板的一侧；
    所述辅助电极在所述衬底基板的垂直投影位于所述黑矩阵在所述衬底基板的垂直投影内。
  9. 根据权利要求6所述的显示面板，其特征在于：
    所述像素电极和所述公共电极之间包括绝缘层，所述绝缘层包括第二过孔，所述辅助电极和所述公共电极通过所述第二过孔电连接。
  10. 根据权利要求1所述的显示面板，其特征在于：
    所述子像素单元包括红色子像素单元、蓝色子像素单元和绿色子像素单元；
    所述红色子像素单元中所述第二条形电极的数量大于所述绿色子像素单元中所述第二条形电极的数量，和/或
    所述蓝色子像素单元中所述第二条形电极的数量大于所述绿色子像素单元中所述第二条形电极的数量。
  11. 根据权利要求1所述的显示面板，其特征在于：
    所述子像素单元包括红色子像素单元、蓝色子像素单元和绿色子像素单元；
    所述绿色子像素单元的面积大于所述红色子像素单元的面积，和/或
    所述绿色子像素单元的面积大于所述蓝色子像素单元的面积。
  12. 一种显示装置，其特征在于，包括根据权利要求1-11任一项所述的显示面板。
PCT/CN2020/103510 2020-06-30 2020-07-22 一种显示面板及显示装置 WO2022000624A1 (zh)

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Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1979275A (zh) * 2005-12-05 2007-06-13 株式会社半导体能源研究所 液晶显示器件
CN102629028A (zh) * 2011-08-26 2012-08-08 京东方科技集团股份有限公司 一种面内开关液晶显示器及其制造方法
CN103913904A (zh) * 2013-05-09 2014-07-09 上海中航光电子有限公司 像素结构、tft阵列基板、液晶显示面板和液晶显示装置
KR20150026339A (ko) * 2013-09-02 2015-03-11 엘지디스플레이 주식회사 프린지 필드형 액정표시장치 및 그 제조방법
CN104536190A (zh) * 2014-12-29 2015-04-22 厦门天马微电子有限公司 液晶显示面板
CN107145014A (zh) * 2017-07-11 2017-09-08 厦门天马微电子有限公司 显示面板和显示面板的制造方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100923707B1 (ko) * 1999-09-07 2009-10-27 가부시키가이샤 히타치세이사쿠쇼 액정표시장치
JP4837375B2 (ja) * 2005-12-22 2011-12-14 Ｎｌｔテクノロジー株式会社 半透過型液晶表示装置及び携帯端末装置
JP5079454B2 (ja) * 2007-10-31 2012-11-21 株式会社ジャパンディスプレイウェスト 表示装置
US8294647B2 (en) * 2009-02-13 2012-10-23 Apple Inc. LCD pixel design varying by color
JP2012220575A (ja) * 2011-04-05 2012-11-12 Japan Display East Co Ltd 液晶表示装置
JP5632339B2 (ja) * 2011-08-05 2014-11-26 株式会社ジャパンディスプレイ 液晶表示装置
KR101840713B1 (ko) * 2011-09-23 2018-03-22 삼성디스플레이 주식회사 투명 표시 장치
CN202563217U (zh) * 2012-04-28 2012-11-28 京东方科技集团股份有限公司 一种液晶面板以及显示装置
US9239501B2 (en) * 2012-07-26 2016-01-19 Innocom Technology(Shenzhen) Co., Ltd. Liquid crystal display device
CN105793769B (zh) * 2013-12-02 2019-04-05 夏普株式会社 液晶显示装置
JP6373052B2 (ja) * 2014-01-10 2018-08-15 株式会社 オルタステクノロジー 液晶表示装置
CN104932162B (zh) * 2015-06-30 2019-02-12 厦门天马微电子有限公司 阵列基板和液晶显示面板

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1979275A (zh) * 2005-12-05 2007-06-13 株式会社半导体能源研究所 液晶显示器件
CN102629028A (zh) * 2011-08-26 2012-08-08 京东方科技集团股份有限公司 一种面内开关液晶显示器及其制造方法
CN103913904A (zh) * 2013-05-09 2014-07-09 上海中航光电子有限公司 像素结构、tft阵列基板、液晶显示面板和液晶显示装置
KR20150026339A (ko) * 2013-09-02 2015-03-11 엘지디스플레이 주식회사 프린지 필드형 액정표시장치 및 그 제조방법
CN104536190A (zh) * 2014-12-29 2015-04-22 厦门天马微电子有限公司 液晶显示面板
CN107145014A (zh) * 2017-07-11 2017-09-08 厦门天马微电子有限公司 显示面板和显示面板的制造方法

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