WO2022227147A1 - 显示面板及显示模组 - Google Patents

显示面板及显示模组 Download PDF

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Publication number
WO2022227147A1
WO2022227147A1 PCT/CN2021/095065 CN2021095065W WO2022227147A1 WO 2022227147 A1 WO2022227147 A1 WO 2022227147A1 CN 2021095065 W CN2021095065 W CN 2021095065W WO 2022227147 A1 WO2022227147 A1 WO 2022227147A1
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WIPO (PCT)
Prior art keywords
pixel electrode
domain
branch
display panel
pixel
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PCT/CN2021/095065
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English (en)
French (fr)
Inventor
冯铮宇
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深圳市华星光电半导体显示技术有限公司
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Application filed by 深圳市华星光电半导体显示技术有限公司 filed Critical 深圳市华星光电半导体显示技术有限公司
Priority to US17/297,488 priority Critical patent/US20240019739A1/en
Publication of WO2022227147A1 publication Critical patent/WO2022227147A1/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
    • G02F1/133707—Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement

Definitions

  • the present invention relates to the field of display technology, and in particular, to a display panel and a display module.
  • Embodiments of the present invention provide a display panel and a display module to solve the technical problem of blurred images of a camera under the screen due to serious liquid crystal phase diffraction effects in the existing liquid crystal display.
  • An embodiment of the present invention provides a display panel including a first display area and a second display area surrounding the first display area, the display panel includes a pixel electrode layer, and the pixel electrode layer includes an array distributed on the first display area.
  • the first pixel electrode or the second pixel electrode is divided into at most two domains, the extension directions of the branch parts in different domains are different, and the extension directions of the branch parts in the same domain are the same;
  • the included angle between the branch portion and the trunk portion connected to it is 45° or 135°; the extension direction of the branch portion in one domain of any one of the
  • the branch portion in one domain of any one of the first pixel electrodes forms an included angle of 90 degrees with the branch portion of the corresponding domain of the adjacent second pixel electrode.
  • any one of the first pixel electrode and the second pixel electrode includes a first domain and a second domain, and the first domain and the second domain are along the second The first pixel electrodes and the second pixel electrodes are alternately arranged along the first direction.
  • the extending direction of the branch portion of the first domain of any one of the first pixel electrodes is the same as the extending direction of the branch portion of the second domain of the adjacent second pixel electrode, And the extending direction of the branch portion of the second domain of the first pixel electrode is the same as the extending direction of the branch portion of the first domain of the adjacent second pixel electrode.
  • the area of the first domain and the area of the second domain of either the first pixel electrode or the second pixel electrode are the same.
  • the trunk includes intersecting first and second trunks, the first trunk extending along the first direction, and the second trunk extending along the first Extending in two directions, the first direction and the second direction are perpendicular.
  • any one of the first pixel electrode and/or the second pixel electrode includes a frame, and the frame connects ends of the plurality of branch portions and ends of the first trunk portion part, and the end of the second trunk part.
  • the pixel electrode layer further includes a plurality of third pixel electrodes, the plurality of third pixel electrode arrays are distributed in the second display area, and the third pixel electrodes include trunk electrodes and a branch electrode connected to the trunk electrode, the trunk electrode divides the third pixel electrode into at least four domains, the branch electrodes in different domains extend in different directions, and the branch electrodes in the same domain extend in the same direction .
  • An embodiment of the present invention further provides another display panel, which includes a first display area and a second display area surrounding the first display area, the display panel includes a pixel electrode layer, and the pixel electrode layer includes an array distributed over the first display area. a plurality of first pixel electrodes and a plurality of second pixel electrodes in the first display area, wherein the first pixel electrodes and the second pixel electrodes alternate at least along at least one of the first direction and the second direction Arrangement, the first direction and the second direction intersect; each of the first pixel electrode and the second pixel electrode includes a trunk portion and a plurality of branch portions connected to the trunk portion, the The main part divides the first pixel electrode or the second pixel electrode into at most two domains, the extension directions of the branch parts in different domains are different, and the extension directions of the branch parts in the same domain are the same; any one The extension direction of the branch portion in one domain of the first pixel electrode is different from the extension direction of the branch portion of the adjacent domain corresponding to the second pixel electrode.
  • the branch portion in one domain of any one of the first pixel electrodes forms an included angle of 90 degrees with the branch portion of the corresponding domain of the adjacent second pixel electrode.
  • any adjacent first pixel electrodes and second pixel electrodes are symmetrical to each other.
  • any one of the first pixel electrode and the second pixel electrode includes a first domain and a second domain, and the first domain and the second domain are along the second The first pixel electrodes and the second pixel electrodes are alternately arranged along the first direction.
  • the extending direction of the branch portion of the first domain of any one of the first pixel electrodes is the same as the extending direction of the branch portion of the second domain of the adjacent second pixel electrode, And the extending direction of the branch portion of the second domain of the first pixel electrode is the same as the extending direction of the branch portion of the first domain of the adjacent second pixel electrode.
  • the area of the first domain and the area of the second domain of either the first pixel electrode or the second pixel electrode are the same.
  • the trunk includes intersecting first and second trunks, the first trunk extending along the first direction, and the second trunk extending along the first Extending in two directions, the first direction and the second direction are perpendicular.
  • any one of the first pixel electrode and/or the second pixel electrode includes a frame, and the frame connects ends of the plurality of branch portions and ends of the first trunk portion part, and the end of the second trunk part.
  • the included angle between any one of the branch portions and the trunk portion to which they are connected is 45° or 135°.
  • the pixel electrode layer further includes a plurality of third pixel electrodes, the plurality of third pixel electrode arrays are distributed in the second display area, and the third pixel electrodes include trunk electrodes and a branch electrode connected to the trunk electrode, the trunk electrode divides the third pixel electrode into at least four domains, the branch electrodes in different domains extend in different directions, and the branch electrodes in the same domain extend in the same direction .
  • the display panel includes: an array substrate; a color filter substrate disposed opposite to the array substrate; and a liquid crystal layer sandwiched between the array substrate and the color filter substrate.
  • An embodiment of the present invention further provides a display module, comprising the display panel of any of the above-mentioned embodiments and an optical element, the optical element is disposed on a side away from the light-emitting surface of the display panel, and the optical element is connected to the optical element. corresponds to the first display area of the display panel.
  • the display panel and the display module provided by the embodiments of the present invention can increase the period of the liquid crystal grating and reduce the diffraction angle through the domain reduction design, thereby improving the diffraction phenomenon, reducing the blurring degree of the image captured by the camera through the screen, and improving the imaging of the camera under the screen. quality.
  • FIG. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a pixel electrode on a display panel according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a pixel electrode in a first display area according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of a pixel electrode on a display panel provided by other embodiments of the present invention.
  • FIG. 5 is a schematic structural diagram of a pixel electrode in a first display area provided by other embodiments of the present invention.
  • FIG. 6 is a schematic structural diagram of a third pixel electrode in a second display area according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a display module provided by an embodiment of the present invention.
  • Fig. 9 is the photograph proof sheet of the under-screen camera of the prior art.
  • Figure 10 is a photographic proof of the camera under the plain glass for comparison.
  • the present application provides a display panel and a display module.
  • a display panel and a display module.
  • the present application will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application.
  • the present invention aims at the technical problem of blurred imaging of the camera under the screen due to the serious phase diffraction effect of the liquid crystal display in the existing liquid crystal display, and this embodiment is proposed to overcome the defect.
  • an embodiment of the present invention provides a display panel 100 , which includes a first display area AA1 and a second display area AA2 , and the second display area AA2 is disposed around the first display area AA1 .
  • the first display area AA1 is used to realize transparent display, so that optical elements such as cameras can be placed in the first display area AA1 and located below the display panel 100 to realize a full screen of the camera under the screen.
  • the second display area AA2 is used to realize normal display.
  • the area of the first display area AA1 is much smaller than the area of the second display area AA2.
  • the number of the first display area AA1 may be one or may be More than one, depending on the number of optical components such as cameras.
  • the first display area AA1 may be located at any position of the upper part, the middle part, the lower part, etc. of the display panel 100 , which is not limited here.
  • the display panel 100 includes a pixel electrode layer 10, the pixel electrode layer 10 includes a plurality of first pixel electrodes 11, a plurality of second pixel electrodes 12, the first pixel electrodes 11 and the The two pixel electrodes 12 are distributed in the first display area AA1 in an array.
  • the first pixel electrodes 11 and the second pixel electrodes 12 are alternately arranged along at least one of the first direction X and the second direction Y, and the first direction X and the second direction Y intersect.
  • the display panel 100 in the embodiment of the present invention may be a liquid crystal display panel, including an array substrate and a color filter substrate disposed opposite to each other, and a liquid crystal layer sandwiched between the array substrate and the color filter substrate.
  • the pixel electrode layer 10 may be disposed on the side of the array substrate facing the color filter substrate.
  • the material of the pixel electrode layer 10 can be a transparent conductive material, including but not limited to ITO (Indium tin oxide, indium tin oxide) material.
  • any pixel electrode (the first pixel electrode 11 or the second pixel electrode 12 ) in the first display area AA1 includes a main portion 101 and a plurality of branch portions 102 .
  • the branch portion 102 is connected to the main portion 101, and the main portion 101 divides the pixel electrode into at most two domains.
  • the extension directions of the branch portions 102 in different domains are different. The extension direction is the same.
  • the trunk portion 101 includes intersecting first trunk portion 1011 and second trunk portion 1012, the first trunk portion 1011 and the second trunk portion 1012 dividing the pixel electrode into at most two domains.
  • the display panel 100 includes a plurality of pixel units distributed in an array, each pixel unit includes a plurality of sub-pixels, and each sub-pixel has one of the above-mentioned patterned pixel electrodes.
  • the grating period of the liquid crystal can be increased, the diffraction angle can be reduced, and the deviation of the light wave from the original propagation direction can be made reduce, thereby weakening the diffraction effect.
  • extension direction of the branch portion in one domain of any one of the first pixel electrodes 11 is different from the extension direction of the branch portion of the corresponding domain of the adjacent second pixel electrode 12, so that the first direction or the second pixel electrode 12 extends in a different direction.
  • the extension directions of the branches of any two adjacent domains in the multiple domains arranged in the direction are different, so that the inclined electric fields in different directions generated in the adjacent domains can induce the liquid crystal molecules in different directions to reverse in different directions, which can play the role of Improve the effect of color cast.
  • each pixel electrode of the first display area AA1 is designed as a single domain, and all the branch portions 102 of any pixel electrode are located in one domain.
  • the first trunk portion 1011 extends along the first direction X
  • the second trunk portion 1012 extends along the second direction Y.
  • the first direction X and the second direction Y are perpendicular.
  • the pixel electrode of the first display area AA1 further includes a frame 103, and the frame 103 connects the ends of the plurality of branch portions 102, the end of the first trunk portion 1011 and the second
  • the end portion of the trunk portion 1012 and the distal end of the branch portion 102 refer to the other end portion opposite to the end portion of the branch portion 102 connected to the trunk portion.
  • the first pixel electrodes 11 and the second pixel electrodes 12 are alternately arranged along the first direction X;
  • the two pixel electrodes 12 are arranged in alternating rows in the second direction Y.
  • the included angle between the branch portion 102 of any one of the first pixel electrodes 11 and the branch portion 102 of the adjacent second pixel electrode 12 is 90 degrees
  • the angle between the branches 102 between adjacent domains is 90 degrees, which is beneficial to improve the transmittance of the display panel; on the other hand, the oblique electric field generated by different domains can induce different liquid crystal molecules Different directions can play a role in improving the color cast.
  • any adjacent first pixel electrodes 11 and second pixel electrodes 12 are symmetrical with each other, which is beneficial to improve the large viewing angle deviation.
  • the angle between the branch portion 102 and the trunk portion to which it is connected is 45°, and the penetration rate is the maximum at this time.
  • the pixel electrode layer 10 according to the embodiment of the present invention further includes a plurality of third pixel electrodes 13 , and the plurality of third pixel electrodes 13 are arrayed in the second display area AA2 .
  • the third pixel electrode 13 includes a trunk electrode and branch electrodes 133 connected to the trunk electrode, the trunk electrode divides the third pixel electrode 13 into at least four domains, and different domains
  • the extension directions of the branch electrodes 133 in the same domain are different, and the extension directions of the branch electrodes 133 in the same domain are the same.
  • the embodiment of the present invention takes a four-domain pixel electrode as an example, and the trunk portion includes a horizontal trunk electrode 131 and a vertical trunk electrode 132 that cross each other.
  • the horizontal trunk electrodes 131 and the vertical trunk electrodes 132 cross each other perpendicularly, forming a cross-shaped structure.
  • the horizontal trunk electrode 131 and the vertical trunk electrode 132 divide the third pixel electrode 13 into four domains, and a plurality of branch electrodes 133 in each domain are arranged in parallel and spaced apart from each other.
  • the second display area AA2 is only used for ordinary display and does not need to transmit external light, in order to maximize the transmittance, the plurality of branch electrodes 133 in each domain are sandwiched between the plurality of branch electrodes 133 and their connected trunk electrodes.
  • the angle is 45 degrees or 135 degrees.
  • the third pixel electrode 13 further includes an outer frame electrode 134 , and the outer frame electrode 134 is connected to the ends of the plurality of branch electrodes 133 and the two ends of the horizontal trunk electrode 131 . , both ends of the longitudinal trunk electrode 132 .
  • any pixel electrode of the first display area AA1 is designed with two domains.
  • any pixel electrode of the first display area AA1 includes a first domain A and a second domain B, and the extension direction of the branch portion 102 of the first domain A of any first pixel electrode 11 is the same as the adjacent one.
  • the extension direction of the branch portion 102 of the second domain B of a second pixel electrode 12 is the same, and the extension direction of the branch portion 102 of the second domain B of the first pixel electrode 11 is the same as that of the adjacent second pixel electrode
  • the extension directions of the branch portions 102 of the first domain A of 12 are the same.
  • the included angle between the branch portion 102 in one domain of any one of the first pixel electrodes 11 and the branch portion 102 of the corresponding domain of the adjacent second pixel electrode 12 is 90 degrees.
  • the included angle between the branch portion of the first domain A of a pixel electrode 11 and the branch portion 102 of the first domain A of the adjacent second pixel electrode 12 is 90 degrees.
  • the angle between the branches 102 between adjacent domains is 90 degrees, which is beneficial to improve the transmittance of the display panel.
  • the oblique electric field generated by different domains can induce different liquid crystal molecules in different orientations. direction, can play a role in improving the color cast.
  • any adjacent first pixel electrodes 11 and second pixel electrodes 12 are symmetrical with each other, which is beneficial to improve large viewing angle polarization.
  • it is equivalent to splitting one pixel electrode into two pixel electrodes, so that the grating period becomes twice the original, and the diffraction angle becomes one-half of the original, thereby reducing diffraction. effect.
  • the first domain A and the second domain B in the same pixel electrode of the first display area AA1 are arranged along the second direction Y, the first pixel electrode 11 and the second pixel The electrodes 12 are alternately arranged along the first direction X.
  • the area of the first domain A and the area of the second domain B of any pixel electrode in the first display area AA1 are kept equal, which is beneficial to improve the large viewing angle deviation.
  • the width of the trunk portion of the pixel electrode is greater than the width of the branch portion.
  • the display panel 100 includes an array substrate 20 , a pixel electrode layer 10 , a first alignment film 30 , a liquid crystal layer 40 , a second alignment film 50 and a color filter substrate 60 that are stacked in sequence.
  • the array substrate 20 includes a thin film transistor array, and the color filter substrate 60 includes a color filter layer.
  • the specific structures of the array substrate 20 and the color filter substrate 60 can refer to the prior art, which will not be repeated here.
  • the liquid crystal layer 40 includes VA type liquid crystal, but is not limited thereto.
  • An embodiment of the present invention further provides a display module, including the display panel 100 in the above-mentioned embodiment and an optical element 70, the optical element 70 is disposed on a side away from the light-emitting surface of the display panel 100, and the optical element 70 The element 70 corresponds to the first display area AA1.
  • the optical element 70 is disposed on the side of the array substrate 20 away from the color filter substrate 60 .
  • the optical element 70 includes but is not limited to a camera.
  • FIG. 8 is a sample of the under-screen camera using the two-domain pixel electrode design according to the embodiment of the present invention
  • FIG. 9 is a sample of the under-screen camera using the four-domain pixel electrode design in the prior art
  • Figure 10 is a photographic proof of the plain glass for comparison.
  • the width of the main electrode is the same
  • the width of the branch electrodes is the same
  • the distance between the branch electrodes is the same
  • the extending direction is the same.
  • the display panel and the display module provided by the embodiments of the present invention can increase the period of the liquid crystal grating and reduce the diffraction angle through the domain reduction design, thereby improving the diffraction phenomenon, reducing the blurring degree of the image captured by the camera through the screen, and improving the imaging of the camera under the screen. quality.

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Abstract

公开一种显示面板及显示模组，显示面板包括阵列分布且交替排布的第一像素电极和第二像素电极，第一像素电极和第二像素电极均包括主干部和多个分支部，主干部将第一像素电极或第二像素电极划分为至多两畴，任一第一像素电极的一个畴的分支部的延伸方向与相邻第二像素电极对应畴的分支部的延伸方向不同，以此可改善衍射现象。

Description

显示面板及显示模组 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显示模组。
 背景技术
随着电子技术的不断发展，摄像头在各种电子设备中的应用越来越广泛。然而摄像头与周围环境外观不一致，很容易被观察到，很大程度影响了电子设备的美观，且不利于全面屏的发展。通过将摄像头置于液晶显示器下方，可以大大提升电子设备的美观性，并且能够增加摄像头放置位置的自由度。然而，由于液晶显示器的透过率较低，周期性液晶排列造成的衍射大大影响了屏下摄像头的成像质量。
综上，现有的液晶显示器的结构有待于改进。
 技术问题
本发明实施例提供一种显示面板及显示模组，以解决现有的液晶显示器，由于液晶相位衍射效应严重，导致屏下摄像头的成像模糊的技术问题。
 技术解决方案
为解决上述问题，本发明提供的技术方案如下：
本发明实施例提供一种显示面板，包括第一显示区和围绕所述第一显示区的第二显示区，所述显示面板包括像素电极层，所述像素电极层包括阵列分布于所述第一显示区的多个第一像素电极和多个第二像素电极，其中，所述第一像素电极和所述第二像素电极至少沿第一方向和第二方向中的至少一个方向交替排布，所述第一方向和所述第二方向相交；每一所述第一像素电极和所述第二像素电极均包括主干部和与所述主干部连接的多个分支部，所述主干部将所述第一像素电极或所述第二像素电极划分为至多两畴，不同畴内的所述分支部的延伸方向不同，同一畴内的所述分支部的延伸方向相同；任一所述分支部与其连接的主干部之间的夹角为45°或者135°；任一所述第一像素电极的一个畴内的分支部的延伸方向与相邻的所述第二像素电极对应畴的分支部的延伸方向不同；任意相邻的所述第一像素电极和第二像素电极相互对称。
在本发明的一些实施例中，任一所述第一像素电极的一个畴内的分支部，与相邻的所述第二像素电极对应畴的分支部所呈的夹角为90度。
在本发明的一些实施例中，任一所述第一像素电极和所述第二像素电极均包括第一畴和第二畴，所述第一畴和所述第二畴沿所述第二方向排列，所述第一像素电极和所述第二像素电极沿第一方向交替排布。
在本发明的一些实施例中，任一所述第一像素电极的第一畴的分支部的延伸方向，与相邻的所述第二像素电极的第二畴的分支部的延伸方向相同，且所述第一像素电极的第二畴的分支部的延伸方向与相邻的所述第二像素电极的第一畴的分支部的延伸方向相同。
在本发明的一些实施例中，任一所述第一像素电极或所述第二像素电极的第一畴的面积和第二畴的面积相同。
在本发明的一些实施例中，所述主干部包括相交的第一主干部和第二主干部，所述第一主干部沿所述第一方向延伸，所述第二主干部沿所述第二方向延伸，所述第一方向和所述第二方向垂直。
在本发明的一些实施例中，任一所述第一像素电极和/或所述第二像素电极包括边框，所述边框连接所述多个分支部的末端、所述第一主干部的端部，以及所述第二主干部的端部。
在本发明的一些实施例中，所述像素电极层还包括多个第三像素电极，所述多个第三像素电极阵列分布于所述第二显示区，所述第三像素电极包括主干电极和与所述主干电极连接的分支电极，所述主干电极将所述第三像素电极划分为最少四个畴，不同畴内的分支电极的延伸方向不同，同一畴内的分支电极的延伸方向相同。
本发明实施例还提供另一种显示面板，包括第一显示区和围绕所述第一显示区的第二显示区，所述显示面板包括像素电极层，所述像素电极层包括阵列分布于所述第一显示区的多个第一像素电极和多个第二像素电极，其中，所述第一像素电极和所述第二像素电极至少沿第一方向和第二方向中的至少一个方向交替排布，所述第一方向和所述第二方向相交；每一所述第一像素电极和所述第二像素电极均包括主干部和与所述主干部连接的多个分支部，所述主干部将所述第一像素电极或所述第二像素电极划分为至多两畴，不同畴内的所述分支部的延伸方向不同，同一畴内的所述分支部的延伸方向相同；任一所述第一像素电极的一个畴内的分支部的延伸方向与相邻的所述第二像素电极对应畴的分支部的延伸方向不同。
在本发明的一些实施例中，任一所述第一像素电极的一个畴内的分支部，与相邻的所述第二像素电极对应畴的分支部所呈的夹角为90度。
在本发明的一些实施例中，任意相邻的所述第一像素电极和第二像素电极相互对称。
在本发明的一些实施例中，任一所述第一像素电极和所述第二像素电极均包括第一畴和第二畴，所述第一畴和所述第二畴沿所述第二方向排列，所述第一像素电极和所述第二像素电极沿第一方向交替排布。
在本发明的一些实施例中，任一所述第一像素电极的第一畴的分支部的延伸方向，与相邻的所述第二像素电极的第二畴的分支部的延伸方向相同，且所述第一像素电极的第二畴的分支部的延伸方向与相邻的所述第二像素电极的第一畴的分支部的延伸方向相同。
在本发明的一些实施例中，任一所述第一像素电极或所述第二像素电极的第一畴的面积和第二畴的面积相同。
在本发明的一些实施例中，所述主干部包括相交的第一主干部和第二主干部，所述第一主干部沿所述第一方向延伸，所述第二主干部沿所述第二方向延伸，所述第一方向和所述第二方向垂直。
在本发明的一些实施例中，任一所述第一像素电极和/或所述第二像素电极包括边框，所述边框连接所述多个分支部的末端、所述第一主干部的端部，以及所述第二主干部的端部。
在本发明的一些实施例中，任一所述分支部与其连接的主干部之间的夹角为45°或者135°。
在本发明的一些实施例中，所述像素电极层还包括多个第三像素电极，所述多个第三像素电极阵列分布于所述第二显示区，所述第三像素电极包括主干电极和与所述主干电极连接的分支电极，所述主干电极将所述第三像素电极划分为最少四个畴，不同畴内的分支电极的延伸方向不同，同一畴内的分支电极的延伸方向相同。
在本发明的一些实施例中，所述显示面板包括：阵列基板；彩膜基板，与所述阵列基板相对设置；液晶层，夹设于所述阵列基板与所述彩膜基板之间。
本发明实施例还提供一种显示模组，包括上述任一实施例的显示面板和光学元件，所述光学元件设于背离所述显示面板的出光面的一侧，且所述光学元件与所述显示面板的第一显示区对应。
 有益效果
本发明实施例提供的显示面板及显示模组，通过降畴设计，能够增加液晶光栅周期，降低衍射角，从而改善衍射现象，降低摄像头透过屏幕拍摄图像的模糊程度，提升屏下摄像头的成像质量。
 附图说明
图1为本发明实施例提供的显示面板的结构示意图；
图2为本发明实施例提供的显示面板上的像素电极的结构示意图；
图3为本发明实施例提供的第一显示区的像素电极的结构示意图；
图4为本发明其他实施例提供的显示面板上的像素电极的结构示意图；
图5为本发明其他实施例提供的第一显示区的像素电极的结构示意图；
图6为本发明实施例提供的第二显示区的第三像素电极的结构示意图；
图7为本发明实施例提供的显示模组的结构示意图；
图8为本发明实施例提供的屏下摄像头的摄像样张；
图9为现有技术的屏下摄像头的摄像样张；
图10为对照的素玻璃下摄像头的摄像样张。
 本发明的实施方式
本申请提供一种显示面板及显示模组，为使本申请的目的、技术方案及效果更加清楚、明确，以下参照附图并举实施例对本申请进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本申请，并不用于限定本申请。
本发明针对现有的液晶显示器，由于液晶相位衍射效应严重，导致屏下摄像头的成像模糊的技术问题，提出本实施例以克服该缺陷。
请参阅图1，本发明实施例提供一种显示面板100，包括第一显示区AA1和第二显示区AA2，所述第二显示区AA2围绕所述第一显示区AA1设置。其中，所述第一显示区AA1用于实现透明显示，从而使得摄像头等光学元件可置于所述第一显示区AA1内，且位于所述显示面板100的下方，实现屏下摄像头的全面屏显示，所述第二显示区AA2用于实现普通显示。
由于第一显示区AA1用于容纳摄像头等光学元件，因此第一显示区AA1的面积远小于所述第二显示区AA2的面积，所述第一显示区AA1的数量可为一个，也可为多个，具体视摄像头等光学元件的数目而定。所述第一显示区AA1可位于所述显示面板100的上部、中部、下部等其中的任一位置，这里不做限定。
请参阅图2，所述显示面板100包括像素电极层10，所述像素电极层10包括多个第一像素电极11、多个第二像素电极12，所述第一像素电极11和所述第二像素电极12均阵列分布于所述第一显示区AA1。
其中，所述第一像素电极11和第二像素电极12至少沿第一方向X和第二方向Y中的至少一个方向交替排布，所述第一方向X和所述第二方向Y相交。
本发明实施例中的显示面板100可为液晶显示面板，包括相对设置的阵列基板和彩膜基板，以及夹设于所述阵列基板和所述彩膜基板之间的液晶层。
所述像素电极层10可设置于所述阵列基板朝向所述彩膜基板的一侧上。所述像素电极层10的材料可为透明导电材料，包括但不限于ITO（Indium tin oxide，氧化铟锡）材料。
请参阅图3和图5，所述第一显示区AA1内的任一像素电极（第一像素电极11或第二像素电极12）包括主干部101和多个分支部102，所述多个分支部102与所述主干部101连接，所述主干部101将所述像素电极划分为至多两畴，不同畴内的所述分支部102的延伸方向不同，同一畴内的所述分支部102的延伸方向相同。
在本发明的一些实施例中，所述主干部101包括相交的第一主干部1011和第二主干部1012，所述第一主干部1011和所述第二主干部1012将像素电极划分为至多两畴。
所述显示面板100包括多个阵列分布的像素单元，每一像素单元包括多个子像素，每一子像素具有一个上述图案化的像素电极。
本发明实施例通过将显示面板100的第一显示区AA1的像素电极由四畴设计改为单畴或双畴设计，能够增加液晶的光栅周期，减少衍射角，使得光波偏离原来传播方向的偏差减小，进而削弱衍射效应。
进一步地，任一所述第一像素电极11的一个畴内的分支部的延伸方向与相邻的所述第二像素电极12对应畴的分支部的延伸方向不同，使得第一方向或第二方向上排列的多个畴中的任意相邻两畴的分支部的延伸方向不同，从而相邻畴内产生的不同方向的倾斜电场可以诱导不同中的液晶分子倒向不同的方向，可起到改善色偏的作用。
请参阅图2和图4，在本发明的一种实施例中，所述第一显示区AA1的每一像素电极为单畴设计，任一像素电极的所有分支部102均位于一个畴内。
所述第一主干部1011沿第一方向X延伸，所述第二主干部1012沿第二方向Y延伸，在本实施例中，第一方向X和第二方向Y垂直。
在本发明的一些实施例中，所述第一显示区AA1的像素电极还包括边框103，所述边框103连接所述多个分支部102的末端、第一主干部1011的端部以及第二主干部1012的端部，分支部102的末端指的是与分支部102连接主干部的端部相对的另一端部。通过将像素电极的外围连接起来，可提高显示面板100的穿透率。
请参阅图3，在本发明的一些实施例中，所述第一像素电极11和所述第二像素电极12沿所述第一方向X交替排列；所述第一像素电极11和所述第二像素电极12在第二方向Y上呈交替列排列。
请参阅图3，在本发明的一些实施例中，任一所述第一像素电极11的分支部102与相邻的所述第二像素电极12的分支部102所呈的夹角为90度，一方面，相邻畴之间的分支部102之间的夹角呈90度有利于提高显示面板的穿透率，另一方面，不同畴产生的倾斜电场可以诱导不同中的液晶分子倒向不同的方向，可起到改善色偏的作用。
进一步地，在本发明的一些实施例中，任意相邻的所述第一像素电极11和第二像素电极12相互对称，有利于改善大视角色偏。
优选地，所述分支部102与其连接的主干部之间的夹角为45°，此时穿透率最大。
请参阅图2和图6，本发明实施例的所述像素电极层10还包括多个第三像素电极13，所述多个第三像素电极13阵列分布于所述第二显示区AA2。
请参阅图6，其中，所述第三像素电极13包括主干电极和与所述主干电极连接的分支电极133，所述主干电极将所述第三像素电极13划分为最少四个畴，不同畴内的分支电极133的延伸方向不同，同一畴内的分支电极133的延伸方向相同。
具体地，本发明实施例以四畴像素电极为例，所述主干部包括相互交叉的横向主干电极131和纵向主干电极132。较佳地，所述横向主干电极131和所述纵向主干电极132相互垂直交叉，呈十字型结构。
所述横向主干电极131和所述纵向主干电极132将所述第三像素电极13划分为四个畴，每一畴内的多个分支电极133相互平行间隔设置。
由于所述第二显示区AA2仅用于普通显示，不需要使得外界光透过，因此为了使得穿透率最大化，每一畴内的多个分支电极133与其连接的主干电极之间的夹角为45度或135度。
进一步地，为改善色偏现象，所述第三像素电极13还包括外框电极134，所述外框电极134连接所述多个分支电极133的末端、所述横向主干电极131的两端部、所述纵向主干电极132的两端部。
请参阅图4和图5，在本发明的一种实施例中，所述第一显示区AA1的任一像素电极为两畴设计。具体地，所述第一显示区AA1的任一像素电极包括第一畴A和第二畴B，任一第一像素电极11的第一畴A的分支部102的延伸方向，与相邻的一第二像素电极12的第二畴B的分支部102的延伸方向相同，且所述第一像素电极11的第二畴B的分支部102的延伸方向与相邻的所述第二像素电极12的第一畴A的分支部102的延伸方向相同。
优先地，任一所述第一像素电极11的一个畴内的分支部102，与相邻的所述第二像素电极12对应畴的分支部102所呈的夹角为90度，例如，第一像素电极11的第一畴A的分支部的夹角与相邻的第二像素电极12的第一畴A的分支部102之间的夹角为90度。一方面，相邻畴之间的分支部102之间的夹角呈90度有利于提高显示面板的穿透率，另一方面，不同畴产生的倾斜电场可以诱导不同中的液晶分子倒向不同的方向，可起到改善色偏的作用。
在一些实施例中，任意相邻的所述第一像素电极11和第二像素电极12相互对称，有利于改善大视角色偏。与现有技术中的四畴设计相比，相当于一个像素电极拆分成两个像素电极，使得光栅周期变为原来的两倍，衍射角变为原来的二分之一，从而可降低衍射效应。
在本实施例中，所述第一显示区AA1的同一像素电极中的第一畴A和第二畴B沿所述第二方向Y排列，所述第一像素电极11和所述第二像素电极12沿所述第一方向X交替排布。
优选地，所述第一显示区AA1的任一像素电极的第一畴A的面积和第二畴B的面积保持相等，有利于改善大视角色偏。
在本发明的实施例中，像素电极的主干部的宽度大于分支部的宽度。
请参阅图7，本发明实施例的显示面板100包括依次层叠的阵列基板20、像素电极层10、第一取向膜30、液晶层40、第二取向膜50以及彩膜基板60。
其中，所述阵列基板20包括薄膜晶体管阵列，所述彩膜基板60包括彩色滤光层，所述阵列基板20和所述彩膜基板60的具体结构可参考现有技术，这里不再赘述。
所述液晶层40包括VA型液晶，但不限于此。
本发明实施例还提供一种显示模组，包括上述实施例中的显示面板100和光学元件70，所述光学元件70设置于背离所述显示面板100的出光面的一侧，且所述光学元件70与所述第一显示区AA1对应。
在本实施例中，所述光学元件70设置于所述阵列基板20背离所述彩膜基板60的一侧。
在本实施例中，所述光学元件70包括但不限于摄像头。
请参阅图8至图10，图8为采用本发明实施例的两畴像素电极设计的屏下摄像的样张，图9为采用现有技术中的四畴像素电极设计的屏下摄像的样张，图10为对照的素玻璃的摄像样张。图8和图9中的主干电极的宽度相同、分支电极的宽度相同、分支电极的间距相同，延伸方向相同。
从图8至图10中可看出，素玻璃的摄像样张最为清晰，这是由于光线仅需穿过素玻璃；图9中的摄像样张的重影现象较为严重，且成像模糊，而图8中的摄像样张几乎看不到重影，成像也较为清晰。
本发明实施例提供的显示面板及显示模组，通过降畴设计，能够增加液晶光栅周期，降低衍射角，从而改善衍射现象，降低摄像头透过屏幕拍摄图像的模糊程度，提升屏下摄像头的成像质量。
可以理解的是，对本领域普通技术人员来说，可以根据本申请的技术方案及其发明构思加以等同替换或改变，而所有这些改变或替换都应属于本申请所附的权利要求的保护范围。

Claims (20)

  1. 一种显示面板，包括第一显示区和围绕所述第一显示区的第二显示区，所述显示面板包括像素电极层，其中，所述像素电极层包括：
    阵列分布于所述第一显示区的多个第一像素电极和多个第二像素电极；其中，
    所述第一像素电极和所述第二像素电极至少沿第一方向和第二方向中的至少一个方向交替排布，所述第一方向和所述第二方向相交；
    每一所述第一像素电极和所述第二像素电极均包括主干部和与所述主干部连接的多个分支部，所述主干部将所述第一像素电极或所述第二像素电极划分为至多两畴，不同畴内的所述分支部的延伸方向不同，同一畴内的所述分支部的延伸方向相同；任一所述分支部与其连接的主干部之间的夹角为45°或者135°；
    任一所述第一像素电极的一个畴内的分支部的延伸方向与相邻的所述第二像素电极对应畴的分支部的延伸方向不同；任意相邻的所述第一像素电极和第二像素电极相互对称。
  2. 根据权利要求1所述的显示面板，其中，任一所述第一像素电极的一个畴内的分支部，与相邻的所述第二像素电极对应畴的分支部所呈的夹角为90度。
  3. 根据权利要求1所述的显示面板，其中，任一所述第一像素电极和所述第二像素电极均包括第一畴和第二畴，所述第一畴和所述第二畴沿所述第二方向排列，所述第一像素电极和所述第二像素电极沿第一方向交替排布。
  4. 根据权利要求3所述的显示面板，其中，任一所述第一像素电极的第一畴的分支部的延伸方向，与相邻的所述第二像素电极的第二畴的分支部的延伸方向相同，且所述第一像素电极的第二畴的分支部的延伸方向与相邻的所述第二像素电极的第一畴的分支部的延伸方向相同。
  5. 根据权利要求3所述的显示面板，其中，任一所述第一像素电极或所述第二像素电极的第一畴的面积和第二畴的面积相同。
  6. 根据权利要求1所述的显示面板，其中，所述主干部包括相交的第一主干部和第二主干部，所述第一主干部沿所述第一方向延伸，所述第二主干部沿所述第二方向延伸，所述第一方向和所述第二方向垂直。
  7. 根据权利要求6所述的显示面板，其中，任一所述第一像素电极和/或所述第二像素电极包括边框，所述边框连接所述多个分支部的末端、所述第一主干部的端部，以及所述第二主干部的端部。
  8. 根据权利要求1所述的显示面板，其中，所述像素电极层还包括多个第三像素电极，所述多个第三像素电极阵列分布于所述第二显示区，所述第三像素电极包括主干电极和与所述主干电极连接的分支电极，所述主干电极将所述第三像素电极划分为最少四个畴，不同畴内的分支电极的延伸方向不同，同一畴内的分支电极的延伸方向相同。
  9. 一种显示面板，包括第一显示区和围绕所述第一显示区的第二显示区，所述显示面板包括像素电极层，其中，所述像素电极层包括：
    阵列分布于所述第一显示区的多个第一像素电极和多个第二像素电极；其中，
    所述第一像素电极和所述第二像素电极至少沿第一方向和第二方向中的至少一个方向交替排布，所述第一方向和所述第二方向相交；
    每一所述第一像素电极和所述第二像素电极均包括主干部和与所述主干部连接的多个分支部，所述主干部将所述第一像素电极或所述第二像素电极划分为至多两畴，不同畴内的所述分支部的延伸方向不同，同一畴内的所述分支部的延伸方向相同；
    任一所述第一像素电极的一个畴内的分支部的延伸方向与相邻的所述第二像素电极对应畴的分支部的延伸方向不同。
  10. 根据权利要求9所述的显示面板，其中，任一所述第一像素电极的一个畴内的分支部，与相邻的所述第二像素电极对应畴的分支部所呈的夹角为90度。
  11. 根据权利要求9所述的显示面板，其中，任意相邻的所述第一像素电极和第二像素电极相互对称。
  12. 根据权利要求11所述的显示面板，其中，任一所述第一像素电极和所述第二像素电极均包括第一畴和第二畴，所述第一畴和所述第二畴沿所述第二方向排列，所述第一像素电极和所述第二像素电极沿第一方向交替排布。
  13. 根据权利要求12所述的显示面板，其中，任一所述第一像素电极的第一畴的分支部的延伸方向，与相邻的所述第二像素电极的第二畴的分支部的延伸方向相同，且所述第一像素电极的第二畴的分支部的延伸方向与相邻的所述第二像素电极的第一畴的分支部的延伸方向相同。
  14. 根据权利要求12所述的显示面板，其中，任一所述第一像素电极或所述第二像素电极的第一畴的面积和第二畴的面积相同。
  15. 根据权利要求9所述的显示面板，其中，所述主干部包括相交的第一主干部和第二主干部，所述第一主干部沿所述第一方向延伸，所述第二主干部沿所述第二方向延伸，所述第一方向和所述第二方向垂直。
  16. 根据权利要求15所述的显示面板，其中，任一所述第一像素电极和/或所述第二像素电极包括边框，所述边框连接所述多个分支部的末端、所述第一主干部的端部，以及所述第二主干部的端部。
  17. 根据权利要求9所述的显示面板，其中，任一所述分支部与其连接的主干部之间的夹角为45°或者135°。
  18. 根据权利要求9所述的显示面板，其中，所述像素电极层还包括多个第三像素电极，所述多个第三像素电极阵列分布于所述第二显示区，所述第三像素电极包括主干电极和与所述主干电极连接的分支电极，所述主干电极将所述第三像素电极划分为最少四个畴，不同畴内的分支电极的延伸方向不同，同一畴内的分支电极的延伸方向相同。
  19. 根据权利要求9所述的显示面板，其中，所述显示面板包括：
    阵列基板；
    彩膜基板，与所述阵列基板相对设置；
    液晶层，夹设于所述阵列基板与所述彩膜基板之间。
  20. 一种显示模组，其中，包括显示面板和光学元件，所述光学元件设于背离所述显示面板的出光面的一侧，且所述光学元件与所述显示面板的第一显示区对应，所述显示面板包括第一显示区和围绕所述第一显示区的第二显示区，所述显示面板包括像素电极层，其中，所述像素电极层包括：
    阵列分布于所述第一显示区的多个第一像素电极和多个第二像素电极；其中，
    所述第一像素电极和所述第二像素电极至少沿第一方向和第二方向中的至少一个方向交替排布，所述第一方向和所述第二方向相交；
    每一所述第一像素电极和所述第二像素电极均包括主干部和与所述主干部连接的多个分支部，所述主干部将所述第一像素电极或所述第二像素电极划分为至多两畴，不同畴内的所述分支部的延伸方向不同，同一畴内的所述分支部的延伸方向相同；
    任一所述第一像素电极的一个畴内的分支部的延伸方向与相邻的所述第二像素电极对应畴的分支部的延伸方向不同。
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