WO2020029563A1 - 显示面板、显示屏及显示终端 - Google Patents

显示面板、显示屏及显示终端 Download PDF

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Publication number
WO2020029563A1
WO2020029563A1 PCT/CN2019/073506 CN2019073506W WO2020029563A1 WO 2020029563 A1 WO2020029563 A1 WO 2020029563A1 CN 2019073506 W CN2019073506 W CN 2019073506W WO 2020029563 A1 WO2020029563 A1 WO 2020029563A1
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Prior art keywords
display panel
display
anode
electrode
width
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PCT/CN2019/073506
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English (en)
French (fr)
Inventor
谢正芳
楼均辉
宋艳芹
籍亚男
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云谷（固安）科技有限公司
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Application filed by 云谷（固安）科技有限公司 filed Critical 云谷（固安）科技有限公司
Priority to EP19848345.5A priority Critical patent/EP3715942A4/en
Priority to JP2020547278A priority patent/JP7024108B2/ja
Priority to KR1020207016210A priority patent/KR102350495B1/ko
Publication of WO2020029563A1 publication Critical patent/WO2020029563A1/zh
Priority to US16/816,272 priority patent/US11335765B2/en

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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/17—Passive-matrix OLED displays
    • H10K59/176—Passive-matrix OLED displays comprising two independent displays, e.g. for emitting information from two major sides of the display
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/805—Electrodes
    • H10K59/8052—Cathodes
    • H10K59/80521—Cathodes characterised by their shape
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G09G3/3233—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/128—Active-matrix OLED [AMOLED] displays comprising two independent displays, e.g. for emitting information from two major sides of the display
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/131—Interconnections, e.g. wiring lines or terminals
    • H10K59/1315—Interconnections, e.g. wiring lines or terminals comprising structures specially adapted for lowering the resistance
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/17—Passive-matrix OLED displays
    • H10K59/179—Interconnections, e.g. wiring lines or terminals
    • H10K59/1795—Interconnections, e.g. wiring lines or terminals comprising structures specially adapted for lowering the resistance
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
    • H10K59/65—OLEDs integrated with inorganic image sensors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/805—Electrodes
    • H10K59/8051—Anodes
    • H10K59/80515—Anodes characterised by their shape
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/805—Electrodes
    • H10K59/8051—Anodes
    • H10K59/80516—Anodes combined with auxiliary electrodes, e.g. ITO layer combined with metal lines
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/805—Electrodes
    • H10K59/8052—Cathodes
    • H10K59/80522—Cathodes combined with auxiliary electrodes

Definitions

  • the present application relates to the field of display technology, and in particular, to a display panel, a display screen, and a display terminal.
  • a display panel includes:
  • a plurality of wavy first electrodes are provided on the substrate; a plurality of the first electrodes extend in parallel in the same direction, and there is a gap between adjacent first electrodes; in the extending direction of the first electrodes Above, the width of the first electrode changes continuously or intermittently, and the interval changes continuously or intermittently.
  • the above display panel is provided with a plurality of first electrodes.
  • the widths of the first electrodes are continuously changed or intermittently changed, so that adjacent first electrodes have a continuously changing interval or an intermittently changing interval. Therefore, the positions of the diffraction fringes are different between different width positions of the first electrodes and different pitches of adjacent first electrodes. Diffraction effects at different positions cancel each other, which can effectively reduce the diffraction effect. Therefore, when the camera is disposed below the transparent display panel, it is possible to ensure that the graphic obtained by taking a picture has a high definition.
  • both sides of the first electrode in the extending direction are wavy, and the crests of the two sides are opposite to each other, and the troughs are opposite to each other.
  • connection portion is provided opposite to the wave trough of the first electrode, and the connection portion is strip-shaped.
  • the display panel is a PMOLED display panel
  • the display panel further includes a second electrode stacked on the first electrode, and an extension direction of the second electrode is the same as that of the first electrode.
  • the extension direction is vertical.
  • the first electrode is an anode; the second electrode is a cathode, and each of the anodes is used to drive one row / column or multiple rows / columns of sub-pixels.
  • each of the anodes is used to drive one row / column pixel; one pixel includes at least three sub-pixels; the widths of the peaks of the two sides of the anode are within 30 ⁇ m to (AX) ⁇ m. ; The width of the opposite sides of the two sides of the anode is greater than X and smaller than the width of the opposite sides of the peaks, where A is the pixel size, X is the minimum process size, and the A is greater than or equal to (30 + X ) Microns.
  • each of the anodes is used to drive one row / column of sub-pixels; the widths of the opposite peaks of the two sides of the anode are X micrometers to ((AX) / N) micrometers; The width of the opposite sides of the two valleys is greater than X and smaller than the width of the opposite peaks; where A is the pixel size, X is the minimum process size, and N is equal to the number of columns / rows of the subpixels contained in each pixel.
  • the shape of the cathode is the same as the shape of the anode.
  • the number of rows / columns of the subpixels driven by one anode is N
  • the number of columns / rows of the subpixels driven by one cathode is M
  • N is three times or more than M.
  • the two sides of the cathode in the extension direction of the cathode are wavy, and the crests of the two sides are opposite to each other and the troughs are opposite to each other; a connection is provided at the opposite trough of the cathode. ⁇ ;
  • the connecting portion is strip-shaped.
  • the number of columns / rows of pixels driven by one cathode is equal to the number of rows / columns of pixels driven by one anode;
  • the width W3 of the opposite peaks of the two sides of the cathode is (W1 -X) micrometers;
  • the width W4 of the connection portion of the cathode is greater than X and smaller than the width of the opposite peaks of the cathode; wherein W1 is the width of the opposite peaks of the two sides of the anode, and X is Minimum process size.
  • the number of rows / columns of the subpixels driven by one anode is N, and the number of columns / rows of the subpixels corresponding to one cathode is M, and N is greater than or equal to 3 times M;
  • the width of the opposite peaks of the two sides of the cathode is X to ((AX) / 3) microns; the width of the connection portion of the cathode is greater than X and smaller than the width of the opposite peaks of the cathode; where A is a pixel Size, X is the minimum process size.
  • X is 4 microns.
  • the display panel is an AMOLED display panel; the substrate is a TFT array substrate; the first electrode includes various conductive traces on the TFT array substrate, and the conductive traces include scanning At least one of a line, a data line, and a power line.
  • the display panel further includes an anode layer disposed above the substrate; the anode layer includes an anode array, and the anode is circular, oval, or dumbbell-shaped.
  • a plurality of protrusions are provided on the first electrode; a plurality of the protrusions are distributed along an edge of the first electrode.
  • a display screen having at least one display area; the at least one display area includes a first display area, and a photosensitive device can be disposed below the first display area;
  • the display panel according to any one of the foregoing embodiments is provided in the first display area, and each of the at least one display area is used to display a dynamic or static picture.
  • the at least one display area further includes a second display area; the display panel provided in the first display area is a PMOLED display panel or an AMOLED display panel, and the display provided in the second display area The panel is an AMOLED display panel.
  • a display terminal includes:
  • the display screen according to any one of the preceding embodiments is covered on the device body;
  • the device region is located below the first display region, and a photosensitive device for light collection through the first display region is disposed in the device region.
  • the device region is a slotted region; and the photosensitive device includes a camera and / or a light sensor.
  • FIG. 1 is a schematic structural diagram of a conventional conductive trace
  • FIG. 2 is a schematic structural diagram of a display panel according to an embodiment
  • FIG. 3 is a schematic structural diagram of a display panel in another embodiment
  • FIG. 4 is a schematic structural diagram of a display panel in still another embodiment
  • FIG. 5 is a schematic structural diagram of a display panel in still another embodiment
  • FIG. 6 is a cross-sectional view of a PMOLED display panel according to an embodiment
  • FIG. 7 is a schematic structural diagram of an anode and a cathode in a PMOLED display panel according to an embodiment
  • FIG. 8 is a schematic structural diagram of an anode and a cathode in a PMOLED display panel according to another embodiment
  • FIG. 9 is a schematic structural diagram of an anode in an AMOLED display panel according to an embodiment
  • FIG. 10 is a schematic structural diagram of an anode in an AMOLED display panel according to another embodiment
  • FIG. 11 is a schematic structural diagram of a display screen according to an embodiment
  • FIG. 12 is a schematic structural diagram of a display terminal according to an embodiment
  • FIG. 13 is a schematic structural diagram of a device body according to an embodiment.
  • FIG. 1 is a schematic structural diagram of a conventional conductive trace.
  • the conventional conductive traces are strip-shaped.
  • obstacles such as slits, small holes, or disks
  • diffraction This phenomenon is called diffraction.
  • the distribution of diffraction fringes is affected by the size of the obstacle, such as the width of the slit and the size of the pinhole.
  • the positions of the diffraction fringes generated at the positions with the same width are the same, and a more obvious diffraction effect occurs at this time.
  • FIG. 2 is a schematic diagram of a display panel according to an embodiment.
  • the display panel includes a substrate 110 and a plurality of wave-shaped first electrodes 120 disposed on the substrate 110.
  • the plurality of first electrodes 120 extend in parallel along the same direction, and there is a gap between adjacent first electrodes 120.
  • the width of the first electrode 120 changes continuously or intermittently in the extending direction of the first electrode 120.
  • the continuous change in width means that the widths at any two adjacent positions on the first electrode 120 are different.
  • the extending direction of the first electrode 120 is its length direction, that is, the Y direction in the figure.
  • the width of the first electrode 120 (that is, the length of the first electrode 120 in the figure in the X direction) is intermittently changed.
  • the discontinuous change in width means that the widths of two adjacent positions in the partial region on the first electrode 120 are the same, and the widths of two adjacent positions in the partial region are different.
  • the plurality of first electrodes 120 are regularly arranged on the substrate 110. Therefore, the gap between two adjacent first electrodes 120 also changes continuously in a direction parallel to the extension direction of the first electrodes 120. Or change intermittently. In the extending direction of the first electrode 120, whether the width of the first electrode 120 is continuous or discontinuous may be changed periodically, and the length of one change period may correspond to the width of one pixel.
  • the above display panel is provided with a plurality of wavy first electrodes 120.
  • the width of the first electrodes 120 changes continuously or intermittently, so that adjacent first electrodes 120 have a continuously changing width. Spacing or intermittently varying spacing. Therefore, the positions of the diffraction fringes generated at different width positions of the first electrode 120 and the different pitches of the adjacent first electrodes 120 are different, and the derivative effects at different positions cancel each other out, thereby effectively reducing the diffraction effect, thereby ensuring the camera.
  • the graphics obtained by taking pictures have a higher definition.
  • each conductive trace of the display panel is made of a transparent conductive metal oxide.
  • the first electrode 120 is made of a transparent conductive metal oxide.
  • the first electrode 120 may be made of ITO (indium tin oxide) or indium zinc oxide (IZ0).
  • the first electrode 120 may also be made of materials such as aluminum-doped zinc oxide, silver-doped ITO, or silver-doped IZ0. Prepared.
  • the first electrode 120 has a symmetrical structure in a direction in which the first electrode 120 extends.
  • the setting of the width of the first electrode 120 directly affects the pixel openings in the display panel, and thus affects the pixel opening ratio of the display panel. Setting the first electrode 120 in a symmetrical structure can ensure that each pixel unit on the display panel can have the same or similar aperture ratio, and there will be no large difference in the aperture ratio of pixel units at different positions, which will affect the display effect of the display panel The problem.
  • both sides of the first electrode 120 in the extending direction are wavy, as shown in FIG. 2.
  • the crests T of the two sides in the extension direction are oppositely disposed and the troughs B are relatively disposed.
  • the two sides are connected by arc-shaped sides with the same curvature radius.
  • the two edges may also be formed by connecting elliptical edges with the same radius of curvature, as shown in FIG. 3.
  • a connection portion 122 is provided at a place opposite to the trough of the first electrode 120, as shown in FIG. 4.
  • the connecting portion 122 has a strip shape.
  • the width W of the connection portion 122 should be larger than X micrometers and smaller than the maximum width on the first electrode 120.
  • X is the minimum process size, which is 4 micrometers in this embodiment, and can be smaller in other embodiments.
  • a region between two adjacent connection portions 122 on the first electrode 120 corresponds to one pixel opening, and the connection portion 122 corresponds to a gap between two adjacent pixel openings.
  • the connecting portion 122 may also adopt other irregular structures, such as a shape with a large middle end and a small shape with a large middle end.
  • a plurality of protrusions 124 are provided on the first electrode 120, as shown in FIG. 5.
  • the sides of the plurality of protrusions 124 are straight and / or curved.
  • the sides of the plurality of protrusions 124 are all curved.
  • the display panel is a PMOLED (Passive Matrix Organic Electrically Excited Photodiode) display panel.
  • the display panel further includes a second electrode 140 stacked on the first electrode 120, as shown in FIG. 6.
  • An insulating layer 130 is provided between the first electrode 120 and the second electrode 140.
  • the insulating layer 130 is used to achieve electrical insulation between the first electrode 120 and the second electrode 140.
  • the insulating layer is an inorganic insulating layer or an organic insulating layer, and may also have a composite structure including both organic and inorganic layers.
  • the material of the insulating layer is preferably SiO 2 , SiN x , Al 2 O 3, or the like.
  • the extending direction of the second electrode 140 and the extending direction of the first electrode 120 are perpendicular to each other, so that a light emitting region of the display panel is formed in the overlapping region, as shown in FIG. 7.
  • the first electrode 120 is an anode
  • the second electrode 140 is a cathode.
  • each anode is used to drive one row / column or multiple row / column sub-pixels.
  • one pixel (or pixel unit) includes at least three sub-pixels of red, green, and blue. In other embodiments, one pixel unit may also include four sub-pixels of red, green, blue, and white.
  • the arrangement of the sub-pixels can be a parallel arrangement of RGB sub-pixels, a V-shaped arrangement, and a PenTile arrangement.
  • pixel units arranged in parallel with RGB sub-pixels are used as an example for description. It can be understood that the display panel in this embodiment can also be applied to other arrangements other than the RGB sub-pixel arrangement.
  • each anode is used to drive all sub-pixels in a row / column pixel unit. That is, in this embodiment, each anode is used to drive three columns of red, green, and blue pixels in a row / column pixel unit.
  • the shape of the anode adopts the shape shown in FIG. 2, that is, the two sides of the anode in the extending direction are wavy, and the crests T of the two sides are oppositely disposed, and the trough B is relatively disposed. Therefore, there is a maximum width W1 opposite the wave peak T and a minimum width W2 opposite the wave valley B.
  • the width W1 opposite to the wave peak T is 30 ⁇ m to (A-X) ⁇ m
  • the width W2 opposite to the wave trough B is X ⁇ m to W1.
  • A is the pixel size
  • X is the minimum process size
  • A is greater than (30 + X) microns.
  • the pixel size A needs to be determined according to the size of the display panel and the total number of pixels on the display panel.
  • X is the minimum process size, which is 4 micrometers in this embodiment, and can be smaller in other embodiments.
  • the pixels are all square pixels, that is, their length and width have the same size.
  • the pixel size A is equal to the result obtained by dividing the area of the display panel by the total number of pixels and squaring.
  • the width of the trough B opposite may also be less than 4 micrometers, as long as the manufacturing process capability can be achieved and its electrical characteristics (such as resistance characteristics) are required.
  • the anodes are regularly arranged on the substrate 110, that is, the distance between two adjacent anodes is fixed, so that the distance between the two adjacent anodes also occurs as the anode width changes. Variety. Therefore, there is a minimum distance D1 between the peaks of the two anodes and a maximum distance D2 between the peaks of the two anodes.
  • the minimum pitch D1 is (A-W1).
  • the maximum distance D2 is (A-W2).
  • the shape of the cathode is the same as that of the anode, and both are wavy.
  • the cathode is the same as the anode and is used to drive all sub-pixels in a row / column pixel unit, so as to control all sub-pixels in the same row / column pixel unit.
  • only multiple first electrodes i.e. The anode
  • a plurality of second electrodes ie, the cathodes
  • the cathode is an electrode structure having strip-shaped connecting portions opposite to two valleys, as shown in FIG. 7.
  • the cathode also has a maximum width W3 where the peaks of the two sides are opposite and a minimum width W4 where the valleys are opposite.
  • W3 is (W1-X) microns
  • W2 is X microns to W3 microns.
  • X is the minimum process size, which is 4 micrometers in this embodiment, and can be smaller in other embodiments. It can be understood that the dimensions of the anode and the cathode can be set as required, and the above embodiments do not constitute the only limitation on the present application.
  • the number of columns / rows of pixels driven corresponding to each cathode is M and the number of columns / rows of pixels driven corresponding to each anode is N, then M should be greater than or equal to 3 times N.
  • one pixel unit is formed by using RBG sub-pixels, and the number of columns / rows of the sub-pixels driven by the cathodes is three times N.
  • the number of columns / rows M of the sub-pixels driven by the cathode is 4N.
  • the column pixels can be driven by the cathode and the row pixels can be driven by the anode. The two are just different arrangement directions of the anode and the cathode.
  • FIG. 8 is a schematic structural diagram of a cathode and an anode in a PMOLED display panel according to another embodiment.
  • one pixel unit includes three red, green, and blue sub-pixels. Therefore, each anode 120 is used to drive a column of pixel units, and each cathode 140 is used to drive a row of sub-pixels.
  • the pattern and size of the anode can be referred to FIG. 2, that is, the width W1 opposite to the peak T is 30 ⁇ m to (AX) ⁇ m, the width W2 opposite to the bottom B is X ⁇ m to W1, and the minimum distance D1 is (A- W1), and the maximum distance D2 is (A-W2).
  • X is the minimum process size.
  • the width W3 at the relative positions of the peaks of the two sides of the cathode is X micrometers to ((A-X) / 3) micrometers. It can be understood that, in other embodiments, when the sub-pixels in one pixel unit are N, the width W3 at the relative positions of the peaks T of the two sides of the cathode 140 is X micrometers to ((A-X) / N) micrometers. In this embodiment, the width W4 where the valleys of the two sides of the cathode 140 are opposite is X micrometers to W1, the minimum distance D3 is (A-W3), and the maximum distance D4 is (A-W4). Where A is the pixel size and X is the minimum process size. In the above embodiments, the distance between adjacent electrodes is between 4 micrometers and 20 micrometers.
  • the anode in FIG. 8 can also be used as the cathode, and the cathodes can be used as the anode, that is, each cathode is used to drive a row of sub-pixels, and each anode is used to drive all the sub-pixels in a row of pixel units. Pixels.
  • the display panel may also be an AMOLED (active matrix organic light emitting diode) display panel.
  • the substrate 110 is a TFT array substrate.
  • the first electrode includes various conductive traces disposed on the TFT array substrate.
  • the width dimension of the first electrode needs to be designed according to the width design of the conductive trace.
  • the conductive trace includes at least one of a scan line, a data line, and a power line.
  • all conductive traces on the TFT array substrate, such as scan lines, data lines, and power lines can be improved to adopt the electrode shape shown in FIG. 2.
  • the display panel when the display panel is an AMOLED (Active Matrix Organic Light Emitting Diode) display panel, it further includes an anode layer disposed above the substrate.
  • the anode layer includes an anode array.
  • the anode array is composed of a plurality of independent anodes.
  • the shape of the anode can be circular, oval or dumbbell.
  • Fig. 9 is a schematic diagram of an anode array formed using a circular anode.
  • FIG. 10 is a schematic diagram of an anode array formed using dumbbell-shaped electrodes.
  • each sub-pixel may also be set to a circle, ellipse or dumbbell shape as shown in FIG. 9 and FIG. 10 to weaken the diffraction effect.
  • a circle, an ellipse, or a dumbbell shape can maximize the area of each sub-pixel and further increase the light transmittance.
  • the display panel may be a transparent or transflective display panel.
  • the transparency of the display panel can be achieved by using various layers of materials with better light transmittance.
  • each layer uses a material having a light transmittance greater than 90%, so that the light transmittance of the entire display panel can be more than 70%.
  • each structural film layer is made of a material having a light transmittance greater than 95%, which further improves the light transmittance of the display panel, and even makes the light transmittance of the entire display panel above 80%.
  • ITO, IZO, Ag + ITO, or Ag + IZO can be used as conductive traces such as the cathode and anode.
  • the insulating layer material is preferably SiO 2 , SiN x, and Al 2 O 3 . Highly transparent material.
  • the transparent or transflective display panel can display the picture normally when it is in the working state, and when the display panel is in other functional requirements, external light can pass through the display panel to the photosensitive device placed under the display panel Wait.
  • An embodiment of the present application further provides a display screen.
  • the display has at least one display area. Each display area is used to display dynamic or static pictures. At least one display area includes a first display area.
  • the first display area is provided with a display panel as mentioned in any of the foregoing embodiments.
  • a photosensitive device may be disposed below the first display area. Because the first display area adopts the display panel in the foregoing embodiment, when the light passes through the display area, no obvious diffraction effect is generated, so that the photosensitive device located below the first display area can work normally.
  • the first display area can normally perform dynamic or static screen display when the photosensitive device is not operating, and when the photosensitive device is operating, the first display area changes with the display content of the overall display screen, such as the display being
  • the captured external image or the first display area may also be in a non-display state, thereby further ensuring that the light sensing device can normally perform light collection through the display panel.
  • FIG. 11 is a schematic structural diagram of a display screen according to an embodiment.
  • the display screen includes a first display area 910 and a second display area 920.
  • the light transmittance of the first display area 910 is greater than the light transmittance of the second display area 920.
  • a photosensitive device 930 may be disposed below the first display area 910.
  • the first display area 910 is provided with a display panel as mentioned in any of the foregoing embodiments. Both the first display area 910 and the second display area 920 are used to display a static or dynamic picture.
  • the first display area 910 uses the display panel in the foregoing embodiment, when the light passes through the display area, no obvious diffraction effect is generated, so that the photosensitive device 930 located below the first display area 910 can ensure that normal work. It can be understood that when the photosensitive device 930 is not working, the first display area 910 can display dynamic or static images normally, and when the photosensitive device 930 is working, it can be in a non-display state, thereby ensuring that the photosensitive device 930 can pass through the display panel. Light collection is performed normally. In other embodiments, the light transmittances of the first display area 910 and the second display area 920 may also be the same, so that the entire display panel has better light transmission uniformity, which ensures that the display panel has a better display effect.
  • the display panel provided in the first display area 910 is a PMOLED display panel or an AMOLED display panel
  • the display panel provided in the second display area 920 is an AMOLED display panel, thereby forming a PMOLED display panel and a MOLED display panel. Full screen.
  • FIG. 12 is a schematic structural diagram of a display terminal according to an embodiment.
  • the display terminal includes a device body 810 and a display screen 820.
  • the display screen 820 is disposed on the device body 810 and is connected to the device body 810.
  • the display screen 820 may be a display screen in any of the foregoing embodiments, and is used to display a static or dynamic picture.
  • FIG. 13 is a schematic structural diagram of a device body 810 in an embodiment.
  • the device body 810 may be provided with a slotted area 812 and a non-slotted area 814.
  • Photosensitive devices such as a camera 930 and a light sensor may be disposed in the slotted area 812.
  • the display panel in the first display area of the display screen 820 is bonded to the slotted area 814 so that the above-mentioned photosensitive devices such as the camera 930 and the light sensor can pass external light through the first display area. Acquisition and other operations.
  • the display panel in the first display area can effectively improve the diffraction phenomenon caused by external light transmitted through the first display area, the quality of the image captured by the camera 930 on the display device can be effectively improved, and the image captured by the diffraction can be avoided. Distortion can also improve the accuracy and sensitivity of the light sensor to sense external light.
  • the electronic device may be a digital device such as a mobile phone, a tablet, a palmtop computer, or an iPod.

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Abstract

公开了一种显示面板、显示屏及显示终端。其中显示面板包括：基板；以及多个波浪形的第一电极，设置在所述基板上；多个所述第一电极沿相同的方向并行延伸，且相邻的第一电极间具有间距；在所述第一电极的延伸方向上，所述第一电极的宽度连续变化或间断变化，且所述间距连续变化或间断变化。

Description

显示面板、显示屏及显示终端 技术领域
本申请涉及显示技术领域，特别是涉及一种显示面板、显示屏及显示终端。
背景技术
随着电子设备的快速发展，用户对屏占比的要求越来越高，使得电子设备的全面屏显示在业界中受到越来越多的关注。传统的电子设备如手机、平板电脑等，由于需要集成诸如前置摄像头、听筒以及红外感应元件等元件，可通过在显示屏上开槽(Notch)，并在开槽区域设置透明显示屏的方式来实现电子设备的全面屏显示。但是，将摄像头等感光器件设置在显示面板下方时，拍照得到的图像经常出现很大程度的模糊。
发明内容
基于此，针对在传统的电子设备中将摄像头设置在显示面板下方时，拍照得到的图像经常出现很大程度的模糊的问题，有必要提供一种显示面板、显示屏以及显示终端。
一种显示面板，包括：
基板；以及
多个波浪形的第一电极，设置在所述基板上；多个所述第一电极沿相同的方向并行延伸，且相邻的第一电极间具有间距；在所述第一电极的延伸方向上，所述第一电极的宽度连续变化或间断变化，且所述间距连续变化或间断变化。
上述显示面板中设置有多个第一电极，在第一电极的延伸方向上，第一电 极的宽度连续变化或者间断变化，从而使得相邻第一电极具有连续变化的间距或者间断变化的间距。因此在第一电极的不同宽度位置以及相邻第一电极的不同间距之间，产生的衍射条纹的位置不同。不同位置处的衍射效应相互抵消，从而可以有效减弱衍射效应。因此，当摄像头设置在该透明显示面板下方时，可以确保拍照得到的图形具有较高的清晰度。
在其中一个实施例中，所述第一电极在所述延伸方向上的两条边均为波浪形，所述两条边的波峰相对设置，且波谷相对设置。
在其中一个实施例中，所述第一电极的波谷相对处设置有连接部；所述连接部为条状。
在其中一个实施例中，所述显示面板为PMOLED显示面板，所述显示面板还包括与所述第一电极层叠设置的第二电极，所述第二电极的延伸方向与所述第一电极的延伸方向垂直。
在其中一个实施例中，所述第一电极为阳极；所述第二电极为阴极，每一个所述阳极用于驱动一行/列或者多行/列子像素。
在其中一个实施例中，每一个所述阳极用于驱动一行/列像素；一个像素包括至少三个子像素；所述阳极的两条边的波峰相对处的宽度在30微米～(A-X)微米以内；所述阳极的两条边的波谷相对处的宽度大于X，且小于所述波峰相对处的宽度，其中A为像素大小，X为最小工艺尺寸，且所述A大于或等于(30+X)微米。
在其中一个实施例中，每个所述阳极用于驱动一行/列子像素；所述阳极的两条边的波峰相对处的宽度为X微米～((A-X)/N)微米；所述阳极的两条边的波谷相对处的宽度大于X，且小于所述波峰相对处的宽度；其中A为像素大小，X为最小工艺尺寸，N等于每个像素包含的子像素的列数/行数。
在其中一个实施例中，所述阴极的形状与所述阳极的形状相同。
在其中一个实施例中，一个阳极所对应驱动的子像素的行数/列数为N，一个阴极所对应驱动的子像素的列数/行数为M，N大于或等于M的3倍。
在其中一个实施例中，所述阴极在自身的延伸方向上的两条边均为波浪形，所述两条边的波峰相对设置，且波谷相对设置；所述阴极的波谷相对处设置有连接部；所述连接部为条状。
在其中一个实施例中，一个阴极对应驱动的像素的列数/行数等于一个阳极对应驱动的像素的行数/列数；所述阴极的两条边的波峰相对处的宽度W3为(W1-X)微米；所述阴极的连接部的宽度W4大于X，且小于所述阴极的波峰相对处的宽度；其中所述W1为所述阳极的两条边的波峰相对处的宽度，X为最小工艺尺寸。
在其中一个实施例中，一个阳极所驱动的子像素的行数/列数为N，一个阴极所对应的子像素的列数/行数为M，N大于或等于M的3倍；所述阴极的两条边的波峰相对处的宽度为X～((A-X)/3)微米；所述阴极的连接部的宽度大于X，且小于所述阴极的波峰相对处的宽度；其中A为像素大小，X为最小工艺尺寸。
在其中一个实施例中，X为4微米。
在其中一个实施例中，所述显示面板为AMOLED显示面板；所述基板为TFT阵列基板；所述第一电极包括所述TFT阵列基板上的各类导电走线，所述导电走线包括扫描线、数据线和功率线中的至少一种。
在其中一个实施例中，所述显示面板还包括设置在所述基板上方的阳极层；所述阳极层包括阳极阵列，所述阳极为圆形、椭圆形或者哑铃形。
在其中一个实施例中，所述第一电极上设置有多个凸起；多个所述凸起沿 所述第一电极的边缘分布。
一种显示屏，具有至少一个显示区；所述至少一个显示区包括第一显示区，所述第一显示区下方可设置感光器件；
其中，在所述第一显示区设置有如前述任一实施例所述的显示面板，所述至少一个显示区中各显示区均用于显示动态或静态画面。
在其中一个实施例中，所述至少一个显示区还包括第二显示区；在所述第一显示区设置的显示面板为PMOLED显示面板或AMOLED显示面板，在所述第二显示区设置的显示面板为AMOLED显示面板。
一种显示终端，包括：
设备本体，具有器件区；
如前述任一实施例所述的显示屏，覆盖在所述设备本体上；
其中，所述器件区位于所述第一显示区下方，且所述器件区中设置有透过所述第一显示区进行光线采集的感光器件。
在其中一个实施例中，所述器件区为开槽区；以及所述感光器件包括摄像头和/或光线感应器。
附图说明
图1为传统的导电走线的结构示意图；
图2为一实施例中的显示面板的结构示意图；
图3为另一实施例中的显示面板的结构示意图；
图4为又一实施例中的显示面板的结构示意图；
图5为再一实施例中的显示面板的结构示意图；
图6为一实施例中的PMOLED显示面板的剖视图；
图7为一实施例中的PMOLED显示面板中的阳极和阴极的结构示意图；
图8为另一实施例中的PMOLED显示面板中的阳极和阴极的结构示意图；
图9为一实施例中的AMOLED显示面板中的阳极的结构示意图；
图10为另一实施例中的AMOLED显示面板中的阳极的结构示意图；
图11为一实施例中的显示屏的结构示意图；
图12为一实施例中的显示终端的结构示意图；
图13为一实施例中的设备本体的结构示意图。
具体实施方式
为了使本申请的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
在本申请的描述中，需要理解的是，术语“中心”、“横向”、“上”、“下”“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”以及“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，需要说明的是，当元件被称为“形成在另一元件上”时，它可以直接连接到另一元件上或者可能同时存在居中元件。当一个元件被认为是“连接”另一个元件，它可以直接连接到另一元件或者同时存在居中元件。相反，当元件被称作“直接在”另一元件“上”时，不存在中间元件。
将摄像头等感光器件设置在透明显示面板下方时，拍照得到的照片容易出现模糊。出现这个问题的原因在于，电子设备的显示屏体内存在导电走线，外部光线经过这些导电走线时会造成较为复杂的衍射强度分布，从而出现衍射条纹，进而会影响摄像头等感光器件的正常工作。例如，位于透明显示区域之下 的摄像头工作时，外部光线经过显示屏内的导线走线后会发生较为明显的衍射，从而使得摄像头拍摄到的画面出现失真。
图1为传统的导电走线的结构示意图。参见图1，传统的导电走线为条状。由于光在穿过狭缝、小孔或者圆盘之类的障碍物时，会发生不同程度的弯散传播，从而偏离原来的直线传播，这种现象称之为衍射。衍射过程中，衍射条纹的分布会受到障碍物尺寸的影响，例如狭缝的宽度、小孔的尺寸等。具有相同宽度的位置处产生的衍射条纹的位置一致，此时会出现较为明显的衍射效应。当光线经过传统的显示面板时，由于显示面板上具有周期排布的条状的导电走线，在不同位置处产生的衍射条纹均具有相同的位置，因此会产生较为明显的衍射效应，不利于设置于该显示面板下方的感光器件的正常工作。
为解决上述问题，本申请一实施例提供了一种显示面板，其能够很好的解决上述问题。图2为一实施例中的显示面板的示意图，参见图2，该显示面板包括基板110以及设置在基板110上的多个波浪形的第一电极120。多个第一电极120沿相同的方向并行延伸，且相邻的第一电极120间具有间距。在本实施例中，由于第一电极120为波浪形，因此在第一电极120的延伸方向上，其宽度为连续变化或者间断变化。宽度连续变化是指第一电极120上的任意两个相邻位置处的宽度不相同。图2中，第一电极120的延伸方向为其长度方向，即图中的Y方向。
在第一电极120的延伸方向上，第一电极120的宽度(即图中的第一电极120在X方向的长度)间断变化。而宽度间断变化是指：在第一电极120上存在部分区域内相邻两个位置的宽度相同，而在部分区域内相邻两个位置的宽度不相同。在本实施例中，多个第一电极120在基板110上规则排布，因此，相邻两个第一电极120之间的间隙在平行于第一电极120的延伸方向上也呈现为连 续变化或者间断变化。第一电极120在延伸方向上，无论其宽度是连续变化还是间断变化都可以为周期性变化，一个变化周期的长度可以对应于一个像素的宽度。
上述显示面板中设置有多个波浪形的第一电极120，在第一电极120的延伸方向上，第一电极120的宽度连续变化或者间断变化，从而使得相邻第一电极120具有连续变化的间距或者间断变化的间距。因此在第一电极120的不同宽度位置以及相邻第一电极120的不同间距之间，产生的衍射条纹的位置不同，不同位置处的衍生效应相互抵消，从而可以有效减弱衍射效应，进而确保摄像头设置在该透明显示面板下方时，拍照得到的图形具有较高的清晰度。
在一实施例中，为了提高显示面板的透光率，显示面板的各导电走线均采用透明导电金属氧化物制备而成，如第一电极120采用透明导电金属氧化物制备而成。例如，第一电极120可以采用ITO(氧化铟锡)或氧化铟锌(IZ0)制备而成。进一步的，为了在保证高透光率的基础上，为减小各导电走线的电阻，第一电极120还可以采用铝掺杂氧化锌、掺杂银的ITO或者掺杂银的IZ0等材料制备而成。
在一实施例中，第一电极120在自身延伸方向具有对称结构，具体可以参见图2。由于第一电极120的宽度的设置会直接影响显示面板中的像素开口，从而对显示面板的像素开口率产生影响。将第一电极120设置为对称结构可以确保显示面板上的各像素单元能够具有相同或者相近的开口率，而不会出现不同位置上的像素单元的开口率相差较大导致影响显示面板的显示效果的问题。
在一实施例中，第一电极120在延伸方向上的两条边均为波浪形，如图2所示。延伸方向上的两条边的波峰T相对设置且波谷B相对设置。本实施例中，两条边均由相同曲率半径的圆弧形边相连而成。在其他的实施例中，两条边也 可以均由相同曲率半径的椭圆形边相连而成，如图3所示。通过将第一电极120的两边设置成由圆弧形或者椭圆形相连形成的波浪形，可以确保第一电极120上产生的衍射条纹能够向不同方向扩散，进而降低衍射效应。
在一实施例中，在第一电极120的波谷相对处设置有连接部122，如图4所示。连接部122为条状。连接部122的宽度W应该大于X微米，且小于第一电极120上的最大宽度。X为最小工艺尺寸，在本实施例中为4微米，在其他的实施例中还可以更小。在一实施例中，第一电极120上相邻两个连接部122之间的区域对应一个像素开口，连接部122则对应于相邻两个像素开口之间的间隙。通过对连接部122的宽度W的调整，可以实现对第一电极120上的电阻大小的调整，以使得其满足使用需求。在其他的实施例中，连接部122也可以采用其他不规则结构，如中间小两端大的形状，或者采用中间大两端小的形状。在另一实施例中，第一电极120上设置有多个凸起124，如图5所示。多个凸起124的边为直线和/或曲线。在本实施例中，多个凸起124的边均为曲线。通过在第一电极120上设置多个凸起124，能够进一步打乱第一电极120各处的宽度的均匀性分布，从而降低衍射效应。
在一实施例中，上述显示面板为PMOLED(被动矩阵有机电激发光二极管)显示面板。此时，该显示面板还包括与第一电极120层叠设置的第二电极140，如图6所示。在第一电极120和第二电极140之间设置有绝缘层130。绝缘层130用于实现第一电极120和第二电极140之间的电绝缘。该绝缘层为无机绝缘层或者有机绝缘层，还可以为同时包含有机和无机层的复合结构。为了提高显示面板的透光率，绝缘层材料优选SiO 2，SiN x以及Al 2O 3等。
第二电极140的延伸方向与第一电极120的延伸方向相互垂直，从而在交叠区域形成显示面板的发光区域，如图7所示。其中，第一电极120为阳极， 第二电极140为阴极。在本实施例中，每个阳极用于驱动一行/列或者多行/列子像素。通常，一个像素(或者像素单元)至少包括红绿蓝三个子像素。在其他的实施例中，一个像素单元也可以包括红绿蓝白四个子像素。子像素的排布方式可以为RGB子像素并行排列、V型排列以及PenTile排列等。在本申请中均以呈RGB子像素并行排列的像素单元为例进行说明。可以理解，本实施例中的显示面板也可以适用于除了RGB子像素排列之外的其他排列方式。
在一实施例中，每个阳极用于驱动一行/列像素单元内的所有子像素。也即在本实施例中，每个阳极用于驱动一行/列像素单元内的红绿蓝三列子像素。此时阳极的形状采用如图2所示的形状，即阳极在延伸方向上的两条边均为波浪形且两条边的波峰T相对设置，波谷B相对设置。因此，在波峰T相对处存在最大宽度W1，在波谷B相对处存在最小宽度W2。其中，波峰T相对处的宽度W1为30微米～(A-X)微米，波谷B相对处的宽度W2为X微米～W1。A为像素大小，X为最小工艺尺寸，且A大于(30+X)微米。像素大小A需要根据显示面板的尺寸以及显示面板上的像素总数来确定。X为最小工艺尺寸，在本实施例中为4微米，在其他的实施例中还可以更小。
在一实施例中，像素均为方形像素，也即其长宽均具有相同的尺寸。此时像素大小A等于显示面板的面积除以像素总数后开平方所得到的结果。在其他的实施例中，波谷B相对处的宽度也可以小于4微米，只要制备工艺能力能够实现且满足其电学特性(如电阻特性)等要求即可。在另一实施例中，阳极规则排布在基板110上，也即相邻两个阳极的距离是固定的，从而导致相邻两个阳极之间的间距也会随着阳极宽度的变化而发生变化。因此，两个阳极的波峰相对处间具有最小间距D1，并在两个阳极的波谷位置相对处具有最大间距D2。其中，最小间距D1为(A-W1)。最大间距D2为(A-W2)。
在一实施例中，阴极的形状与阳极的形状相同，均为波浪形。此时，阴极与阳极一样，用于驱动一行/列像素单元内的所有子像素，从而实现对同一行/列像素单元内的所有子像素的控制，图中仅以多个第一电极(即阳极)的沿x方向排列，多个第二电极(即阴极)沿y方向依次排列为例进行说明。
在另一实施例中，阴极为在两个波谷相对处具有条状的连接部的电极结构，也即如图7所示。此时，阴极在两条边的波峰相对处同样具有最大宽度W3并在波谷相对处具有最小宽度W4。同理，相邻两个阴极在波峰处的间距为最小间距D3,而在波谷处的最大间距则为D4。此时，W3为(W1-X)微米，W2则为X微米～W3微米。X为最小工艺尺寸，在本实施例中为4微米，在其他的实施例中还可以更小。可以理解，阳极和阴极的尺寸可以根据需要进行设定，上述实施例也不构成对本申请的唯一限定。
在其他的实施例中，每个阴极对应驱动的像素列数/行数为M，每个阳极对应驱动的像素的列数/行数为N，则M应该大于或者等于N的3倍。具体地，采用RBG子像素构成一个像素单元，阴极对应驱动的子像素的列数/行数M为N的3倍。在其他的实施例中，如果采用RGBW子像素构成一个像素单元，则阴极对应驱动的子像素的列数/行数M为4N。可以理解，在其他的实施例中，也可以由阴极驱动列像素而阳极驱动行像素，二者仅仅是阳极和阴极的排布方向不同而已。
图8为另一实施例中的PMOLED显示面板中的阴极和阳极的结构示意图。此时，一个像素单元包括红绿蓝三个子像素，因此每个阳极120用于驱动一列像素单元，每个阴极140用于驱动一行子像素。阳极的图案以及尺寸可以参照图2，也即其在波峰T相对处的宽度W1为30微米～(A-X)微米，波谷B相对处的宽度W2为X微米～W1，最小间距D1为(A-W1)，最大间距D2为(A-W2)。X为最 小工艺尺寸。
参见图8，阴极的两条边的波峰相对位置处的宽度W3为X微米～((A-X)/3)微米。可以理解，在其他实施例中，当一个像素单元内的子像素为N时，阴极140的两条边的波峰T相对位置处的宽度W3为X微米～((A-X)/N)微米。在本实施例中，阴极140的两条边的波谷相对处的宽度W4为X微米～W1，最小间距D3为(A-W3)，最大间距D4为(A-W4)。其中A为像素大小,X为最小工艺尺寸。在上述实施例中，相邻电极的间距均在4微米～20微米之间。
在另一实施例中，也可以将图8中的阳极作为阴极，而阴极作为阳极，也即每个阴极用于驱动一列子像素，而每个阳极则用于驱动一行像素单元中的所有子像素。
在另一实施例中，上述显示面板还可以为AMOLED(主动矩阵有机发光二极体)显示面板。此时，基板110为TFT阵列基板。第一电极包括设置在TFT阵列基板上的各类导电走线。第一电极的宽度尺寸需要根据导电走线的宽度设计来进行设计。其中，导电走线包括扫描线、数据线以及功率线中的至少一种。例如，可以将TFT阵列基板上的所有导电走线如扫描线、数据线以及功率线进行改进，采用如图2所示的电极形状。通过将TFT阵列基板上的导电走线改成图2中的波浪形的电极形状，可以确保在导线走线的延伸方向上，光线经过在不同宽度位置处以及相邻走线的不同间隙处时能够形成具有不同位置的衍射条纹，不同位置的衍射效应相互抵消，进而减弱衍射效应，以使得放置于其下方的感光器件能够正常工作。
在一实施例中，在显示面板为AMOLED(主动矩阵有机发光二极体)显示面板时还包括设置在基板上方的阳极层。阳极层包括阳极阵列。阳极阵列由多个相互独立的阳极构成。阳极的形状可以为圆形、椭圆形或者哑铃形。图9为采 用圆形的阳极形成的阳极阵列的示意图。图10为采用哑铃形的电极形成的阳极阵列的示意图。通过将阳极形状改为圆形、椭圆形或者哑铃形，可以确保光线经过阳极层时，在阳极的不同宽度位置处同样能够产生具有不同位置以及扩散方向的衍射条纹，不同位置和方向的衍射条纹相互抵消，从而弱化衍射效应。进一步的，各个子像素也可设置为图9和图10所示的圆形、椭圆形或者哑铃形，以弱化衍射效应。并且，圆形、椭圆形或者哑铃形可在最大限度上扩大各个子像素的面积，进一步提高透光率。
在一实施例中，上述显示面板可以为透明或者半透半反式的显示面板。显示面板的透明可以通过采用透光率较好的各层材料来实现。例如，各层均采用透光率大于90％的材料，从而使得整个显示面板的透光率可以在70％以上。进一步的，各结构膜层均采用透光率大于95％的材料，进一步提高显示面板的透光率，甚至使得整个显示面板的透光率在80％以上。具体地，可以将导电走线如阴极和阳极等设置为ITO、IZO、Ag+ITO或者Ag+IZO等，绝缘层材料优选SiO 2，SiN x以及Al 2O 3等，像素定义层140则采用高透明材料。
可以理解，显示面板的透明还可以采用其他技术手段实现，上述显示面板的结构均可以适用。透明或者半透半反式的显示面板处于工作状态时能够正常显示画面，而当显示面板处于其他功能需求状态时，外部光线可以透过该显示面板照射到置于该显示面板之下的感光器件等。
本申请一实施例还提供一种显示屏。该显示屏具有至少一个显示区。各显示区均用于显示动态或者静态画面。至少一个显示区包括第一显示区。第一显示区设置有如前述任一实施例中所提及的显示面板。第一显示区下方可以设置感光器件。由于第一显示区采用了前述实施例中的显示面板，因此当光线经过该显示区域时，不会产生较为明显的衍射效应，从而能够确保位于该第一显示 区下方的感光器件能够正常工作。可以理解，第一显示区在感光器件不工作时，可以正常进行动态或者静态画面显示，而在感光器件工作时，第一显示区随着整体显示屏的显示内容的变化而变化，如显示正在拍摄的外部图像，或者第一显示区也可以处于不显示状态，从而进一步确保感光器件能够透过该显示面板正常进行光线采集。
图11为一实施例中的显示屏的结构示意图，该显示屏包括第一显示区910和第二显示区920。其中，第一显示区910的透光率大于第二显示区920的透光率。第一显示区910的下方可设置感光器件930。第一显示区910设置有如前述任一实施例中所提及的显示面板。第一显示区910和第二显示区920均用于显示静态或者动态画面。由于第一显示区910采用了前述实施例中的显示面板，因此当光线经过该显示区域时，不会产生较为明显的衍射效应，从而能够确保位于该第一显示区910下方的感光器件930能够正常工作。可以理解，在感光器件930不工作时，第一显示区910可以正常进行动态或者静态画面显示，而在感光器件930工作时，可以处于不显示状态，从而确保感光器件930能够透过该显示面板正常进行光线采集。在其他的实施例中，第一显示区910和第二显示区920的透光率也可以相同，从而使得整个显示面板具有较好的透光均一性，确保显示面板具有较好的显示效果。
在一实施例中，第一显示区910设置的显示面板为PMOLED显示面板或AMOLED显示面板，在第二显示区920设置的显示面板为AMOLED显示面板，从而形成由PMOLED显示面板和MOLED显示面板构成的全面屏。
本申请另一实施例还提供一种显示终端。图12为一实施例中的显示终端的结构示意图，该显示终端包括设备本体810和显示屏820。显示屏820设置在设备本体810上，且与该设备本体810相互连接。其中，显示屏820可以采用前 述任一实施例中的显示屏，用以显示静态或者动态画面。
图13为一实施例中的设备本体810的结构示意图。在本实施例中，设备本体810上可设有开槽区812和非开槽区814。在开槽区812中可设置有诸如摄像头930以及光传感器等感光器件。此时，显示屏820的第一显示区的显示面板对应于开槽区814贴合在一起，以使得上述的诸如摄像头930及光传感器等感光器件能够透过该第一显示区对外部光线进行采集等操作。由于第一显示区中的显示面板能够有效改善外部光线透射该第一显示区所产生的衍射现象，从而可有效提升显示设备上摄像头930所拍摄图像的质量，避免因衍射而导致所拍摄的图像失真，同时也能提升光传感器感测外部光线的精准度和敏感度。
上述电子设备可以为手机、平板、掌上电脑、ipod等数码设备。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本申请的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对申请专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进，这些都属于本申请的保护范围。因此，本申请专利的保护范围应以所附权利要求为准。

Claims (20)

  1. 一种显示面板，包括：
    基板；以及
    多个波浪形的第一电极，设置在所述基板上；多个所述第一电极沿相同的方向并行延伸，且相邻的第一电极间具有间距；在所述第一电极的延伸方向上，所述第一电极的宽度连续变化或间断变化，且所述间距连续变化或间断变化。
  2. 根据权利要求1所述的显示面板，其中，所述第一电极在所述延伸方向上的两条边均为波浪形，所述两条边的波峰相对设置，且波谷相对设置。
  3. 根据权利要求2所述的显示面板，其中，所述第一电极的波谷相对处设置有连接部；所述连接部为条状。
  4. 根据权利要求2所述的显示面板，其中，所述显示面板为PMOLED显示面板，所述显示面板还包括与所述第一电极层叠设置的第二电极，所述第二电极的延伸方向与所述第一电极的延伸方向垂直。
  5. 根据权利要求4所述的显示面板，其中，所述第一电极为阳极；所述第二电极为阴极，每一个所述阳极用于驱动一行/列或者多行/列子像素。
  6. 根据权利要求5所述的显示面板，其中，每一个所述阳极用于驱动一行/列像素；一个像素包括至少三个子像素；所述阳极的两条边的波峰相对处的宽度在30微米～(A-X)微米以内；所述阳极的两条边的波谷相对处的宽度大于X，且小于所述波峰相对处的宽度，其中A为像素大小，X为最小工艺尺寸，且所述A大于或等于(30+X)微米。
  7. 根据权利要求5所述的显示面板，其中，每个所述阳极用于驱动一行/列子像素；所述阳极的两条边的波峰相对处的宽度为X微米～((A-X)/N)微米；所述阳极的两条边的波谷相对处的宽度大于X，且小于所述波峰相对处的宽 度；其中A为像素大小，X为最小工艺尺寸，N等于每个像素包含的子像素的列数/行数。
  8. 根据权利要求5所述的显示面板，其特征在于，所述阴极的形状与所述阳极的形状相同。
  9. 根据权利要求7所述的显示面板，其中，一个阳极所对应驱动的子像素的行数/列数为N，一个阴极所对应驱动的子像素的列数/行数为M，N大于或等于M的3倍。
  10. 根据权利要求5所述的显示面板，其中，所述阴极在自身的延伸方向上的两条边均为波浪形，所述两条边的波峰相对设置，且波谷相对设置；所述阴极的波谷相对处设置有连接部；所述连接部为条状。
  11. 根据权利要求10所述的显示面板，其中，一个阴极对应驱动的像素的列数/行数等于一个阳极对应驱动的像素的行数/列数；所述阴极的两条边的波峰相对处的宽度W3为(W1-X)微米；所述阴极的连接部的宽度W4大于X，且小于所述阴极的波峰相对处的宽度；其中所述W1为所述阳极的两条边的波峰相对处的宽度，X为最小工艺尺寸。
  12. 根据权利要求11所述的显示面板，其中，一个阳极所驱动的子像素的行数/列数为N，一个阴极所对应的子像素的列数/行数为M，N大于或等于M的3倍；所述阴极的两条边的波峰相对处的宽度为X～((A-X)/3)微米；所述阴极的连接部的宽度大于X，且小于所述阴极的波峰相对处的宽度；其中A为像素大小，X为最小工艺尺寸。
  13. 根据权利要求6所述的显示面板，其中，X为4微米。
  14. 根据权利要求2所述的显示面板，其中，所述显示面板为AMOLED显示面板；所述基板为TFT阵列基板；所述第一电极包括所述TFT阵列基板上的各 类导电走线；所述导电走线包括扫描线、数据线和功率线中的至少一种。
  15. 根据权利要求14所述的显示面板，其中，所述显示面板还包括设置在所述基板上方的阳极层；所述阳极层包括阳极阵列，所述阳极为圆形、椭圆形或者哑铃形。
  16. 根据权利要求1所述的显示面板，其中，所述第一电极上设置有多个凸起；多个所述凸起沿所述第一电极的边缘分布。
  17. 一种显示屏，具有至少一个显示区；所述至少一个显示区包括第一显示区，所述第一显示区下方可设置感光器件；
    其中，在所述第一显示区设置有如权利要求1～16中任意一项所述的显示面板，所述至少一个显示区中各显示区均用于显示动态或静态画面。
  18. 根据权利要求17所述的显示屏，其特征在于，所述至少一个显示区还包括第二显示区；在所述第一显示区设置的显示面板为PMOLED显示面板或AMOLED显示面板，在所述第二显示区设置的显示面板为AMOLED显示面板。
  19. 一种显示终端，其特征在于，包括：
    设备本体，具有器件区；
    如权利要求17或18所述的显示屏，覆盖在所述设备本体上；
    其中，所述器件区位于所述第一显示区下方，且所述器件区中设置有透过所述第一显示区进行光线采集的感光器件。
  20. 根据权利要求19所述的显示终端，其特征在于，所述器件区为开槽区；以及所述感光器件包括摄像头和/或光线感应器。
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