WO2021027104A1 - 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
WO2021027104A1
WO2021027104A1 PCT/CN2019/116013 CN2019116013W WO2021027104A1 WO 2021027104 A1 WO2021027104 A1 WO 2021027104A1 CN 2019116013 W CN2019116013 W CN 2019116013W WO 2021027104 A1 WO2021027104 A1 WO 2021027104A1
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WO
WIPO (PCT)
Prior art keywords
display panel
area
touch
touch layer
function
Prior art date
Application number
PCT/CN2019/116013
Other languages
English (en)
French (fr)
Inventor
赵勇
廖作敏
陈涛
Original Assignee
武汉华星光电半导体显示技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to US16/753,779 priority Critical patent/US11221693B2/en
Publication of WO2021027104A1 publication Critical patent/WO2021027104A1/zh

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a 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
    • H10K59/40—OLEDs integrated with touch screens

Definitions

  • the present invention relates to the field of display technology, in particular to a display panel and a display device.
  • the touch layer Since the touch layer has a great influence on the transmission of light, it will affect the photographing and imaging of photosensitive elements such as the camera under the screen, which makes it difficult to realize the technical problem that the corresponding area of the camera has both touch function and light transmission function.
  • a display panel having a touch layer, the display panel including a main display area and a function additional area;
  • a plurality of first pixels are arranged in the function additional area, the touch layer is provided with openings corresponding to the function additional area, and the touch layer corresponds to the light transmission of the function additional area Higher than the light transmittance of the touch layer corresponding to the main display area; no touch traces are provided in the openings of the touch layer, or a transparent conductive material is provided in the openings of the touch layer The formed touch trace.
  • the area of the opening of the touch layer is less than or equal to 4 square millimeters, there is no touch wiring arrangement in the opening of the touch layer.
  • the diameter of the opening of the touch layer is less than or equal to 2 mm, there is no touch wiring arrangement in the opening of the touch layer.
  • the shape of the opening of the touch layer is circular, semicircular, or semicircular.
  • touch control trace is electrically connected to the touch control layer.
  • a first driving circuit and signal wiring are arranged on the peripheral side of the function adding area, a first anode for driving the first pixel is arranged in the function adding area, and the first driving circuit is connected with The first anode is electrically connected.
  • a plurality of pixel drive circuit islands are arranged on the peripheral side of the function addition area, the first group of pixel drive circuit islands in the pixel drive circuit islands include multiple first drive circuits, and the signal traces include multiple pixel drive circuit islands.
  • a first signal line and a plurality of second signal lines, and the plurality of the first signal lines and the plurality of the second signal lines are electrically connected to a plurality of first driving circuits.
  • each of the first signal lines includes a first detour section
  • each of the second signal lines includes a second detour section
  • the first detour section and the second detour section are located on different layers, and multiple The first detour section of the first signal line is arranged at the edge of the function additional area
  • the second detour section of the plurality of second signal lines is arranged at the edge of the function additional area.
  • a display panel having a touch layer, the display panel including a main display area and a function additional area;
  • a plurality of first pixels are arranged in the function additional area, the touch layer is provided with openings corresponding to the function additional area, and the touch layer corresponds to the light transmission of the function additional area The rate is greater than the light transmittance of the touch layer corresponding to the main display area.
  • the area of the opening of the touch layer is less than or equal to 4 square millimeters, there is no touch wiring arrangement in the opening of the touch layer.
  • the diameter of the opening of the touch layer is less than or equal to 2 mm, there is no touch wiring arrangement in the opening of the touch layer.
  • the shape of the opening of the touch layer is circular, semicircular, or semicircular.
  • the openings of the touch layer are provided with touch wires formed of a transparent conductive material.
  • touch control trace is electrically connected to the touch control layer.
  • a first driving circuit and signal wiring are arranged on the peripheral side of the function adding area, a first anode for driving the first pixel is arranged in the function adding area, and the first driving circuit is connected with The first anode is electrically connected.
  • a plurality of pixel drive circuit islands are arranged on the peripheral side of the function addition area, the first group of pixel drive circuit islands in the pixel drive circuit islands include multiple first drive circuits, and the signal traces include multiple pixel drive circuit islands.
  • a first signal line and a plurality of second signal lines, and the plurality of the first signal lines and the plurality of the second signal lines are electrically connected to a plurality of first driving circuits.
  • each of the first signal lines includes a first detour section
  • each of the second signal lines includes a second detour section
  • the first detour section and the second detour section are located on different layers, and multiple The first detour section of the first signal line is arranged at the edge of the function additional area
  • the second detour section of the plurality of second signal lines is arranged at the edge of the function additional area.
  • the present invention also provides a display device, which includes a display panel and a functional device; the display panel has a touch layer, the display panel includes a main display area and a function additional area, and the function of the functional device and the display panel Corresponding settings for additional areas;
  • a plurality of first pixels are arranged in the function additional area, the touch layer is provided with openings corresponding to the function additional area, and the touch layer corresponds to the light transmission of the function additional area The rate is greater than the light transmittance of the touch layer corresponding to the main display area.
  • the touch layer is prevented from affecting the photographing and imaging of photosensitive elements such as the camera.
  • a highly transparent transparent conductor material is used to form the touch trace, so that the functional additional area can be used for displaying images and installing photosensitive elements such as cameras, and has touch functions to improve user experience.
  • FIG. 1 is a schematic diagram of a display panel in an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a touch layer in an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a touch layer and touch wiring in another embodiment of the present invention.
  • Fig. 4 is a schematic diagram when the function additional area in the present invention is in a semicircular shape
  • Fig. 5 is a schematic diagram when the function additional area in the present invention is a small semicircle
  • FIGS. 6 and 7 are schematic diagrams of the arrangement of driving circuits and signal wiring in an embodiment of the present invention.
  • FIGS. 8 and 9 are schematic diagrams of the arrangement of driving circuits and signal wiring in another embodiment of the present invention.
  • 10 and 11 are schematic diagrams of the arrangement of driving circuits and signal traces in another embodiment of the present invention.
  • FIG. 12 is a schematic diagram of the structure of a display panel in an embodiment of the present invention.
  • FIG. 13 is a schematic diagram of the structure of the display device in the present invention.
  • Display panel 11. Main display area; 111, second pixel; 1111, second anode; 1112, second drive circuit; 12, function additional area; 121, first pixel; 1211, first drive circuit; 1212 21. The first sector area; 22. The second sector area; 30. The pixel drive circuit island; 41. The first signal line; 411. The first straight line section; 412. The first transition section; 413. A circuitous section; 42, the second signal line; 421, the second straight section; 422, the second transition section; 423, the second circuitous section; 50, the substrate; 61, the first insulating layer; 62, the second insulating layer; 63. The third insulating layer; 64. The fourth insulating layer; 71. The first lap wiring; 72. The second lap wiring; 73. The third lap wiring; 80. Pixel definition layer; 81. Pixel Opening; 90, touch control layer; 91, opening; 101, touch control wiring; 103, functional device; 104, connection line.
  • the present invention is aimed at the existing OLED display panel, because the touch layer has a greater influence on the transmission of light, which will affect the photographing and imaging of photosensitive elements such as the camera under the screen, which makes it difficult to realize that the corresponding area of the camera has touch Technical issues of control function and light transmission function.
  • the present invention can solve the above-mentioned problems.
  • the display panel 10 includes a main display area 11 and a function additional area 12, and at least a part of the function additional area 12 is surrounded by the main display area 11.
  • the display panel 10 may be a full-screen display panel 10, a plurality of first pixels 121 are arranged in the function additional area 12, a plurality of second pixels 111 are arranged in the main display area 11, and the main display area 11 may The image is displayed, and the function additional area 12 can be arranged at any position of the display panel 10.
  • the function addition area 12 can be used to display images, so that the display panel 10 can present a full-screen display effect, and can also be used to install photosensitive elements such as cameras, optical touch components, and fingerprint recognition sensors, thereby improving user experience.
  • the pixel density in the function additional area 12 may be the same as or different from the pixel density in the main display area 11; for example, the pixel density of the function additional area 12 is smaller than the pixel density in the main display area 11 to increase the function.
  • the display brightness at the function additional area 12 may be the same as or different from the display brightness at the main display area 11.
  • the display brightness at the function additional area 12 can be adjusted to the main display area 11 by adjusting the drive current.
  • each first pixel 121 includes a first red sub-pixel, a first blue sub-pixel, and a first green sub-pixel; each second pixel 111 includes a second red sub-pixel, one A second blue sub-pixel and a second green sub-pixel.
  • the display panel 10 has a touch layer 90
  • the touch layer 90 is provided with an opening 91 corresponding to the function additional area 12, and the touch layer 90 corresponds to
  • the light transmittance of the function additional area 12 is greater than the light transmittance of the touch layer 90 corresponding to the main display area 11.
  • the function additional area 12 can be used to display images so that the display panel 10 can present a full-screen display effect, and can also be used to install photosensitive elements such as a camera to improve user experience.
  • the position design of the touch layer 90 in the display panel 10 is not limited, and it can be an external type (that is, the touch layer 90 is provided on the cover glass of the display panel 10) or an on-cell type. (That is, the touch control layer 90 is provided on the packaging layer), or in-cell type (that is, the touch control layer 90 is provided between the packaging layer and the thin film transistor layer).
  • the area of the opening 91 may be equal to the area of the function additional area 12, and the area of the opening 91 may also be smaller or larger than the area of the function additional area 12.
  • the opening 91 of the touch layer 90 has no touch wiring 101 provided.
  • the size of a general human finger and a general touch pen tip is about 4 square millimeters.
  • the area of the opening 91 is smaller than the size of a general human finger and general touch pen tip, then Even if the opening 91 does not have a touch layer, it will have little impact on the user experience. Therefore, it is possible to choose to set the touch function or not to set the touch function at the opening 91.
  • touch trace 101 at the opening 91 to reduce light interference and diffraction, thereby increasing the light transmittance of the additional function area 12, improving the quality of photographing and imaging of photosensitive components such as cameras, and reducing the manufacturing process. Process and cost saving.
  • the opening 91 of the touch layer 90 is provided with a touch trace 101 made of a transparent conductive material.
  • a highly transparent material is used to form the touch trace 101 at the opening 91.
  • the highly transparent material can reduce the interference and diffraction of the touch trace 101 to light, so that the opening 91 also has a touch function and improves the user Experience, while preventing the touch wiring 101 from affecting the display function and light transmission function at the function additional area 12.
  • whether the touch wiring 101 is provided at the opening 91 is related to the area of the opening 91 and also related to the display area of the display panel 10.
  • the display area of the display panel 10 is large, According to the ratio of the opening 91 to the display area of the display panel 10 in the actual situation, it can be determined whether to provide the touch wiring 101 at the opening 91.
  • the transparent conductor material includes but is not limited to indium tin metal oxide, indium zinc metal oxide, fluorine tin metal oxide or nano silver wire.
  • the touch trace 101 can be electrically connected to the touch layer 90, and the control circuit for controlling the touch layer 90 can be used simultaneously Control the touch wiring 101 and the touch layer 90 without adding additional control wiring.
  • a second control circuit for controlling the touch trace 101 can also be provided on the display panel 10, and the second control circuit passes through The transparent wire is electrically connected to the touch wiring 101, so that the touch wiring 101 located at the opening 91 is controlled more delicately, and the touch wiring 101 and the touch layer 90 are prevented from affecting each other.
  • the touch control layer 90 may be an infrared touch layer, a capacitive touch layer, a nano touch layer or a resistive touch layer, and a touch control layer is provided at the function additional area 12
  • the touch wire 101 can be formed by the same process as the touch layer 90, or can be formed by a different process; the touch wire 101 can be provided on the same layer as the touch layer 90, or can be formed with the touch layer 90 90 are located in different layers to avoid interference between the touch layer 90 and the touch trace 101.
  • the shape of the opening 91 of the touch layer 90 is a circle, a large semicircle (as shown in FIG. 4) or a small semicircle (as shown in FIG. 5).
  • the opening 91 of the touch layer 90 does not have the touch wiring 101 provided.
  • the opening 91 of the touch layer 90 is provided with a touch trace 101 formed of a transparent conductive material.
  • the opening 91 may also have other shapes, such as an ellipse, a rectangle, a rounded rectangle, a regular or irregular polygon, which will not be listed here.
  • the function additional area 12 may also be The drive circuit and signal wiring with a certain shading effect are specially designed.
  • the function addition area 12 is provided with a first anode 1212 for driving the first pixel 121, and a plurality of first driving circuits 1211 and signals are provided on the peripheral side of the function addition area 12 Wire, the first driving circuit 1211 is electrically connected to the first anode 1212 through a transparent wire.
  • a plurality of pixel drive circuit islands 30 are provided on the peripheral side of the function additional area 12, and the first group of pixel drive circuit islands 30 in the pixel drive circuit islands 30 includes a plurality of first drive circuits 1211, and the signal The wiring includes a plurality of first signal lines 41 and a plurality of second signal lines 42, and the plurality of first signal lines 41 and the plurality of second signal lines 42 are all electrically connected to a plurality of first driving circuits 1211 .
  • the first driving circuit 1211 and the signal wiring for driving the first pixel 121 are arranged on the peripheral side of the function additional area 12, it is ensured that the pixel driving circuit island 30 is not needed in the function additional area 12, thereby preventing the first driving circuit 1211
  • the sum signal wiring affects the display and light transmittance of the function additional area 12, and the first driving circuit 1211 is distributed in an island shape, which can further increase the size and light transmittance of the function additional area 12.
  • the pixel driving circuit island 30 may also be responsible for driving some of the second pixels 111 in the main display area 11 close to the function additional area 12.
  • each pixel drive circuit island 30 is formed by clustering a plurality of pixel drive circuits together in an island shape, and the clustering together is relatively dispersed compared to the pixel drive circuits in the traditional technology, namely Compared with the conventional technology, one pixel corresponds to one pixel driving circuit.
  • the pixel driving circuit includes multiple switching elements, capacitors, signal lines, etc.
  • the switching elements may be thin film transistors, diodes or other devices.
  • the first signal line 41 and the second signal line 42 are electrically connected to the pixel drive circuit island 30 to input various electrical signals to the pixel drive circuit island 30; the pixel drive circuit island 30 is connected to the pixel drive circuit island 30 through a transparent wire.
  • An anode 1212 is electrically connected to transmit an electric signal to the first anode 1212.
  • the first signal line 41 may include at least one of a scan line, a light-emitting signal line for controlling the light emission of the organic light-emitting diode, and a reset line for controlling the anode reset of the organic light-emitting diode.
  • Each first signal line 41 includes a first straight section 411, a first circuitous section 413 and a first transition section 412.
  • the display panel 10 further includes a plurality of first sector regions 21 and a plurality of second sector regions 22.
  • the first sector regions 21 are regions defined by a plurality of first transition sections 412 arranged in a sector shape.
  • the second sector area 22 is an area defined by a plurality of second transition sections 422 arranged in a sector shape.
  • a plurality of first straight line sections 411 are horizontally arranged in parallel, a first transition section 412 is located in the first sector 21, and a plurality of first transition sections 412 are distributed in a sector in the first sector 21.
  • the first straight section 411 extends until the first sector 21 is electrically connected to the first transition section 412, so that the plurality of first signal lines 41 integrate multiple groups of first signal lines 41, and the extension of the multiple groups of first signal lines 41 is changed. Route to avoid the additional function area 12.
  • the distance between two adjacent first transition sections 412 in the first sector 21 is smaller than the distance between two adjacent first straight sections 411.
  • the plurality of first transition sections 412 of the first sector 21 may be divided into at least two layers.
  • the first detour sections 413 of the plurality of first signal lines 41 are disposed at the edge of the function additional area 12, and the first detour sections 413 are sequentially and electrically connected to all the pixel drive circuit islands 30 in the first group.
  • the first detour section 413 may be a straight line, or an arc shape, or include multiple broken line sections.
  • the second signal line 42 may include a data line; each second signal line 42 includes a second straight section 421, a second winding section 423 and a second transition section 422.
  • the plurality of second straight line segments 421 of the plurality of second signal lines 42 are arranged vertically in parallel.
  • the vertical projections of the first linear segments 411 of the first signal lines 41 on the display panel 10 and the vertical projections of the second linear segments 421 of the second signal lines 42 on the display panel 10 perpendicularly intersect each other .
  • the second transition section 422 is located in the second sector area 22, and a plurality of second transition sections 422 are distributed in a sector shape in the second sector area 22.
  • the second straight section 421 extends to the second sector 22 and the second transition section 422 are electrically connected, so that the plurality of second signal lines 42 are integrated into the clusters of second signal lines 42 and the clusters of the second signal lines 42 are changed.
  • the extension direction is to avoid the function additional area 12.
  • the distance between two adjacent second transition sections 422 in the second sector 22 is smaller than the distance between two adjacent second straight sections 421.
  • the plurality of second straight sections 421 of the plurality of second signal lines 42 are divided into multiple clusters and respectively extend to the plurality of second sector regions 22 to be electrically connected to the plurality of second transition sections 422.
  • Each cluster of first straight line segments 411 extends into a second fan-shaped area 22 correspondingly.
  • the plurality of second transition sections 422 are divided into multiple clusters, and each cluster of the second transition sections 422 is located in the same second sector 22.
  • the plurality of second sector areas 22 are symmetrically arranged on opposite sides of the function additional area 12 and close to the first detour line.
  • the second detour sections 423 of the plurality of second signal lines 42 are arranged at the edge of the function additional area 12.
  • the second transition section 422 and the second winding section 423 are electrically connected one-to-one.
  • the first detour section 413 and the second detour section 423 are located on different layers.
  • first detour section 413 and the second detour section 423 are located on different layers, and the second detour sections 423 of the plurality of second signal lines 42 are arranged at the edge of the function additional area 12; Two ends of the cluster second winding section 423 are electrically connected to a cluster of second transition sections 422 respectively, that is, the second winding section 423 and the second transition section 422 are electrically connected.
  • function additional area 12 corresponds to the edge of the first group of pixel driving circuit islands 30 at the edge of the first winding section 413 protruding or recessed to increase the light transmission area of the function additional area 12.
  • the display panel 10 further includes a plurality of connecting lines 104, and the connecting lines 104 and the second winding sections 423 are located on different layers.
  • Each group of the second winding sections 423 includes at least two clusters of second winding sections 423 with different lengths. Both ends of the second detour section 423 of each cluster are electrically connected to the two pixel drive circuit islands 30 in the first group of pixel drive circuit islands 30 which are mirrored to each other through the connecting line 104, so as to avoid the same group of adjacent clusters.
  • the two detour sections 423 intersect and short-circuit during the extension process.
  • the structure of the display panel 10 shown in FIG. 8 is basically similar to that of the display panel 10 shown in FIG. 6, except that the second circuitous section 423 of the second signal line 42 is arcuate. ⁇ Shaped arrangement.
  • the second detour section 423 of the second signal line 42 is arranged in a circular arc line, and the overall shape of the function additional area 12 is circular; the second detour section 423 of the second signal line 42 is an ellipse The arc is set, and the overall shape of the function additional area 12 is elliptical at this time.
  • the structure of the display panel 10 shown in FIG. 10 is basically similar to that of the display panel 10 shown in FIG. 6, except that at least part of the second detour section 423 of the second signal line 42 Set around the entire function additional area 12.
  • Part of the pixel drive circuit islands 30 are uniformly arranged on the edge of the function addition area 12 in a ring shape.
  • the second detour sections 423 of the plurality of second signal lines 42 are arranged around the function additional area 12 and are electrically connected to at least part of the pixel driving circuit island 30 in sequence.
  • the first detour sections 413 of the plurality of first signal lines 41 are sequentially and electrically connected to any two adjacent pixel driving circuit islands 30 in the pixel driving circuit island 30.
  • a pixel drive circuit is correspondingly provided under each display sub-pixel, so that multiple pixel drive circuits corresponding to multiple display pixels are dispersedly distributed.
  • the first driving circuit 1211 in the pixel driving circuit island 30 is used to drive a plurality of first driving circuits in the function additional area 12
  • the pixel 121 is such that the function additional area 12 is not provided with a pixel driving circuit, so that the light transmittance of the function additional area 12 is improved.
  • the arrangement of a plurality of pixel driving circuit islands 30 also increases the size of the function addition area 12.
  • the display panel 10 includes a substrate 50 and at least two insulating layers disposed on the substrate 50, and the first driving circuit 1211 is disposed on the substrate 50 and covered by the insulating layer, The first driving circuit 1211 and the first anode 1212 are electrically connected through a transparent wire located in the insulating layer.
  • the transparent wire includes at least two layers of connecting wires located in different layers.
  • a second drive circuit 1112 located in the main display area 11 is provided on the substrate 50, and the second pixel 111 is electrically connected to the second drive circuit 1112 through a conductive layer located in an insulating layer .
  • the display panel 10 includes a first driving circuit 1211 disposed on the substrate 50, a first insulating layer 61 covering the first driving circuit 1211, and a first insulating layer 61 disposed on the first insulating layer 61
  • the pixel anode on the fourth insulating layer 64 and the pixel defining layer 80 are provided with a pixel opening 81 corresponding to the pixel anode.
  • the overlapping wires located in the additional function area 12 are transparent wires; the overlapping wires located in different layers are electrically connected through vias, and the electrical connection of the overlapping wires located in different layers is realized
  • the first anode 1212 is electrically connected to the first driving circuit 1211, thereby facilitating wiring arrangement.
  • the spacing between two adjacent overlapping traces on the same layer is greater than 2 microns to avoid short circuits between two adjacent overlapping traces on the same layer; each overlapping trace
  • the line width is greater than 1 micron.
  • the pixel anode includes a first anode 1212 and a second anode 1111 for driving the second pixel 111.
  • the second anode 1111 is located in the main display area 11, and the conductive layer may be connected to the transparent wire.
  • the structure and manufacturing process are the same, and the second anode 1111 is electrically connected to the second driving circuit 1112 through a multilayer lap wiring.
  • the conductive layer may also be formed by multiple layers of opaque conductive traces located in the main display area 11, that is, the overlapping traces located in the main display area 11 are opaque conductive traces.
  • FIG. 12 only illustrates the case where the first anode 1212 is electrically connected to the first driving circuit 1211 through the overlapped wiring located in the function additional area 12.
  • the first anode 1212 can also pass through the main The overlapping wires in the display area 11 are electrically connected to the first driving circuit 1211.
  • FIG. 12 only illustrates the case with three layers of lap wiring. In actual implementation, it can also be set to two, four, five or more layers of lap wiring.
  • the preparation materials of the transparent wire include but are not limited to indium tin metal oxide, indium zinc metal oxide, fluorine tin metal oxide or nano silver wire; the insulating layer is made of transparent material, and the insulating layer includes but not Limited to silicon oxide or silicon nitride.
  • the present invention also provides a display device.
  • the display device includes the above-mentioned display panel 10 and a function device 103 corresponding to the function additional area 12 of the display panel 10.
  • the functional device 103 may be a photosensitive element such as a camera, an optical touch component, and a fingerprint recognition sensor.
  • the beneficial effects of the present invention are: by removing the part corresponding to the touch layer 90 and the additional functional area, the touch layer 90 is prevented from affecting the photographing and imaging of photosensitive elements such as the camera, and at the same time, it is determined whether the hole is in the hole according to the area of the hole 91 A touch trace 101 is provided at 91. When the area of the opening 91 is small, no touch trace is provided at the opening 91 of the touch layer 90. When the area of the opening 91 is large, a highly transparent transparent conductive material is used to form the touch The wiring 101 enables the opening 91 to have a touch function, and the function additional area 12 can also be used to display images and install photosensitive elements such as cameras to improve user experience.

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Abstract

本发明提供一种显示面板及显示装置，显示面板具有一触控层，所述显示面板包括主显示区和功能附加区；其中，所述功能附加区中排布有多个第一像素，所述触控层上设置有与所述功能附加区对应的开孔，所述触控层对应所述功能附加区的透光率大于所述触控层对应所述主显示区的透光率。

Description

一种显示面板及显示装置 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装置。
 背景技术
在OLED显示面板的设计中，实现OLED显示面板屏下摄像头和透明显示，一直以来是一个难题，要实现透明显示和屏下摄像头最主要的难题在于如何提高面板透光率。目前，由于触控层对于光的透过有较大的影响，从而会影响到屏下摄像头等感光元件的拍照和成像，导致难以实现摄像头对应区域同时具备触控功能和透光功能。
 技术问题
由于触控层对于光的透过有较大的影响，从而会影响到屏下摄像头等感光元件的拍照和成像，导致难以实现摄像头对应区域同时具备触控功能和透光功能的技术问题。
 技术解决方案
一种显示面板，所述显示面板具有触控层，所述显示面板包括主显示区和功能附加区；
其中，所述功能附加区中排布有多个第一像素，所述触控层上设置有与所述功能附加区对应的开孔，所述触控层对应所述功能附加区的透光率大于所述触控层对应所述主显示区的透光率；所述触控层的开孔中无触控走线设置，或所述触控层的开孔中设置有由透明导体材料形成的触控走线。
进一步的，当所述触控层的开孔的面积小于或等于4平方毫米时，所述触控层的开孔中无触控走线设置。
进一步的，所述触控层的开孔的直径小于或等于2毫米时，所述触控层的开孔中无触控走线设置。
进一步的，所述触控层的开孔的形状呈圆形、大半圆形或小半圆形。
进一步的，所述触控走线与所述触控层电性连接。
进一步的，所述功能附加区的周侧设置有第一驱动电路和信号走线，所述功能附加区中设置有用于驱动第一像素的第一阳极，所述第一驱动电路通过透明导线与所述第一阳极电性连接。
进一步的，所述功能附加区的周侧设置有多个像素驱动电路岛，所述像素驱动电路岛中的第一组像素驱动电路岛包括多个第一驱动电路，所述信号走线包括多个第一信号线以及多个第二信号线，多个所述第一信号线和多个所述第二信号线均与多个第一驱动电路电性连接。
进一步的，每个所述第一信号线包括第一迂回段，每个所述第二信号线包括第二迂回段，所述第一迂回段和所述第二迂回段位于不同层，多个所述第一信号线的所述第一迂回段设置于所述功能附加区的边缘，多个所述第二信号线的所述第二迂回段设置于所述功能附加区的边缘。
一种显示面板，所述显示面板具有触控层，所述显示面板包括主显示区和功能附加区；
其中，所述功能附加区中排布有多个第一像素，所述触控层上设置有与所述功能附加区对应的开孔，所述触控层对应所述功能附加区的透光率大于所述触控层对应所述主显示区的透光率。
进一步的，所述触控层的开孔中无触控走线设置。
进一步的，当所述触控层的开孔的面积小于或等于4平方毫米时，所述触控层的开孔中无触控走线设置。
进一步的，所述触控层的开孔的直径小于或等于2毫米时，所述触控层的开孔中无触控走线设置。
进一步的，所述触控层的开孔的形状呈圆形、大半圆形或小半圆形。
进一步的，所述触控层的开孔中设置有由透明导体材料形成的触控走线。
进一步的，所述触控走线与所述触控层电性连接。
进一步的，所述功能附加区的周侧设置有第一驱动电路和信号走线，所述功能附加区中设置有用于驱动第一像素的第一阳极，所述第一驱动电路通过透明导线与所述第一阳极电性连接。
进一步的，所述功能附加区的周侧设置有多个像素驱动电路岛，所述像素驱动电路岛中的第一组像素驱动电路岛包括多个第一驱动电路，所述信号走线包括多个第一信号线以及多个第二信号线，多个所述第一信号线和多个所述第二信号线均与多个第一驱动电路电性连接。
进一步的，每个所述第一信号线包括第一迂回段，每个所述第二信号线包括第二迂回段，所述第一迂回段和所述第二迂回段位于不同层，多个所述第一信号线的所述第一迂回段设置于所述功能附加区的边缘，多个所述第二信号线的所述第二迂回段设置于所述功能附加区的边缘。
本发明还提供一种显示装置，其包括显示面板和功能器件；所述显示面板具有触控层，所述显示面板包括主显示区和功能附加区，所述功能器件与所述显示面板的功能附加区对应设置；
其中，所述功能附加区中排布有多个第一像素，所述触控层上设置有与所述功能附加区对应的开孔，所述触控层对应所述功能附加区的透光率大于所述触控层对应所述主显示区的透光率。
 有益效果
通过去除触控层与附加功能区处对应的部分，避免触控层影响到摄像头等感光元件的拍照和成像，同时根据功能附加区的面积确定是否在功能附加区处设置触控走线，功能附加区的面积较大时，利用高透明的透明导体材料形成触控走线，使得功能附加区既可以用于显示图像和安装摄像头等感光元件，又具备触控功能，提高用户体验。
 附图说明
为了更清楚地说明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单介绍，显而易见地，下面描述中的附图仅仅是发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明一实施方式中显示面板的示意图；
图2为本发明一实施方式中触控层的示意图；
图3为本发明另一实施方式中触控层和触控走线的示意图；
图4为本发明中功能附加区呈大半圆形时的示意图；
图5为本发明中功能附加区呈小半圆形时的示意图；
图6和图7为本发明一实施方式中驱动电路和信号走线的排布示意图；
图8和图9为本发明另一实施方式中驱动电路和信号走线的排布示意图；
图10和图11为本发明另一实施方式中驱动电路和信号走线的排布示意图；
图12为本发明一实施方式中显示面板的结构示意图；
图13为本发明中显示装置的结构示意图。
附图标记：
10、显示面板；11、主显示区；111、第二像素；1111、第二阳极；1112、第二驱动电路；12、功能附加区；121、第一像素；1211、第一驱动电路；1212、第一阳极；21、第一扇形区；22、第二扇形区；30、像素驱动电路岛；41、第一信号线；411、第一直线段；412、第一过渡段；413、第一迂回段；42、第二信号线；421、第二直线段；422、第二过渡段；423、第二迂回段；50、基板；61、第一绝缘层；62、第二绝缘层；63、第三绝缘层；64、第四绝缘层；71、第一搭接走线；72、第二搭接走线；73、第三搭接走线；80、像素定义层；81、像素开口；90、触控层；91、开孔；101、触控走线；103、功能器件；104、连接线。
 本发明的实施方式
以下各实施例的说明是参考附加的图示，用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语，例如[上]、[下]、[前]、[后]、[左]、[右]、[内]、[外]、[侧面]等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。在图中，结构相似的单元是用以相同标号表示。
本发明针对现有的OLED显示面板中，由于触控层对于光的透过有较大的影响，从而会影响到屏下摄像头等感光元件的拍照和成像，导致难以实现摄像头对应区域同时具备触控功能和透光功能的技术问题。本发明可以解决上述问题。
一种显示面板，如图1所示，所述显示面板10包括主显示区11和功能附加区12，所述功能附加区12的至少一部分被所述主显示区11围绕。
其中，显示面板10可以为全面屏显示面板10，所述功能附加区12中排布有多个第一像素121，主显示区11中排布有多个第二像素111，主显示区11可以显示图像，功能附加区12可以设置于显示面板10的任意位置。
功能附加区12既可以用于显示图像，从而使得显示面板10可以呈现全屏显示的效果，又可以用于安装摄像头、光学触控组件以及指纹识别传感器等感光元件，从而提高用户体验。
需要说明的是，功能附加区12中的像素密度可以与主显示区11中的像素密度相同，也可以不同；例如功能附加区12的像素密度小于主显示区11中的像素密度，以增加功能附加区12的透光率。
需要说明的是，功能附加区12处的显示亮度可以与主显示区11处的显示亮度相同，也可以不同，可以通过调节驱动电流大小来调整功能附加区12处的显示亮度与主显示区11处的显示亮度。
在一实施方式中，每个第一像素121包括一个第一红色子像素、一个第一蓝色子像素和一个第一绿色子像素；每个第二像素111包括一个第二红色子像素、一个第二蓝色子像素和一个第二绿色子像素。
具体的，如图2所示，所述显示面板10具有一触控层90，所述触控层90上设置有与所述功能附加区12对应的开孔91，所述触控层90对应所述功能附加区12的透光率大于所述触控层90对应所述主显示区11的透光率。
通过在触控层90上与功能附加区12对应的位置处设置开孔91，去除掉触控层90与功能附加区12对应的部分，从而防止触控层90影响到摄像头等感光元件的拍照和成像，功能附加区12既可以用于显示图像，使得显示面板10可以呈现全屏显示的效果，又可以用于安装摄像头等感光元件，提高用户体验。
需要说明的是，该触控层90在显示面板10中的位置设计不做限定，可以是外挂式（即触控层90设置在显示面板10的盖板玻璃上），可以是on-cell式（即触控层90设置在封装层上），还可以是in-cell式（即触控层90设置在封装层和薄膜晶体管层之间）。
需要说明的是，所述开孔91的面积可以与功能附加区12的面积相等，所述开孔91的面积也可以小于或大于功能附加区12的面积。
在一实施方式中，所述触控层90的开孔91中无触控走线101设置。
需要说明的是，对于本领域技术人员可知，一般人体手指和通用的触控笔尖的大小为4平方毫米左右，当开孔91的面积小于一般人体手指和通用的触控笔尖的大小，此时开孔91处即使不具有触控层，对用户的使用体验的影响也很小，因此，可选择在开孔91处设置触控功能或不设置触控功能。
进一步的，当所述触控层90的开孔91的面积小于或等于4平方毫米时，所述触控层90的开孔91中无触控走线101设置。
开孔91处不进行触控走线101的设计，减少光的干涉和衍射，从而可以提高功能附加区12的光穿透率，提升摄像头等感光元件的拍照和成像的品质，同时可以减少制程工艺，节约成本。
在另一实施方式中，如图3所示，所述触控层90的开孔91中设置有由透明导体材料形成的触控走线101。
需要说明的是，对于本领域技术人员可知，开孔91的面积大于一般人体手指和通用的触控笔尖的大小时，用户在使用产品进行游戏等活动时，若开孔91处无触控功能，容易降低用户体验。而在开孔91处利用高透明的材料形成触控走线101，高透明的材料可以减少触控走线101对光的干涉和衍射，从而使得开孔91处也具有触控功能，提高用户体验，同时防止触控走线101影响功能附加区12处的显示功能和透光功能。
需要说明的是，实际实施中，是否在开孔91处设置触控走线101与开孔91的面积有关，也与显示面板10的显示面积有关，当显示面板10的显示面积较大时，可根据实际情况中开孔91与显示面板10的显示面积的比例确定是否在开孔91处设置触控走线101。
需要说明的是，透明导体材料包括但不限于铟锡金属氧化物、铟锌金属氧化物、氟锡金属氧化物或纳米银线。
其中，在所述开孔91处设置有触控走线101的情况下，可将所述触控走线101与所述触控层90电性连接，利用控制触控层90的控制电路同时控制触控走线101和触控层90，无需增加额外的控制走线。
需要说明的是，在所述开孔91处设置有触控走线101的情况下，还可以在所述显示面板10上设置控制触控走线101的第二控制电路，第二控制电路通过透明导线与所述触控走线101电性连接，从而对位于开孔91处的触控走线101进行更加细腻的控制，防止触控走线101与触控层90相互影响。
需要说明的是，所述触控层90可以为红外式触控层、电容式触控层、纳米式触控层或电阻式触控层，在所述功能附加区12处设置有触控走线101的情况下，触控走线101可以与触控层90采用相同工艺形成，也可以采用不同工艺形成；触控走线101可以与触控层90同层设置，也可以与触控层90位于不同层别，以避免触控层90与触控走线101相互干扰。
如图4和图5所示，在一实施方式中，所述触控层90的开孔91的形状呈圆形、大半圆形（如图4）或小半圆形（如图5）。
所述触控层90的开孔91的直径小于或等于2毫米时，所述触控层90的开孔91中无触控走线101设置。
所述触控层90的开孔91的直径大于2毫米时，所述触控层90的开孔91中设置有由透明导体材料形成的触控走线101。
需要说明的是，实际实施中，开孔91还可以为其他的形状，如椭圆形、矩形、圆角矩形、规则或不规则的多边形，在此不一一列举。
需要说明的是，在本实施例中，为了保障功能附加区12的透光率能够满足摄像头等感光元件的采光需求，除了在触控层90进行上述设计外，还可以对功能附加区12中具有一定遮光效果的驱动电路和信号走线进行特定设计。
如图6和图7所示，所述功能附加区12中设置有用于驱动第一像素121的第一阳极1212，所述功能附加区12的周侧设置有多个第一驱动电路1211和信号走线，所述第一驱动电路1211通过透明导线与所述第一阳极1212电性连接。
其中，所述功能附加区12的周侧设置有多个像素驱动电路岛30，所述像素驱动电路岛30中的第一组像素驱动电路岛30包括多个第一驱动电路1211，所述信号走线包括多个第一信号线41以及多个第二信号线42，多个所述第一信号线41和多个所述第二信号线42均与多个第一驱动电路1211电性连接。
通过将驱动第一像素121的第一驱动电路1211和信号走线设置在功能附加区12的周侧，以保证功能附加区12中不需要设置像素驱动电路岛30，从而防止第一驱动电路1211和信号走线对功能附加区12的显示和透光造成影响，并且，第一驱动电路1211呈岛状集中分布，可以进一步增加功能附加区12的尺寸和透光率。
需要说明的是，像素驱动电路岛30除了可以对功能附加区12中的第一像素121进行驱动，也可以负责对主显示区11中的靠近功能附加区12的部分第二像素111进行驱动。
需要说明的是，每个像素驱动电路岛30是将多个像素驱动电路呈岛状集中聚集在一起而形成，而集中聚集在一起是相对于传统技术中像素驱动电路较分散而言的，即相对于传统技术中一个像素对应一个像素驱动电路。像素驱动电路包括多个开关元件、电容器以及信号线等，开关元件可以为薄膜晶体管、二极管或者其他器件。
具体的，所述第一信号线41和第二信号线42均与像素驱动电路岛30电性连接，以向像素驱动电路岛30输入各种电信号；像素驱动电路岛30通过透明导线与第一阳极1212电性连接，以将电信号传输给第一阳极1212。
其中，第一信号线41可以包括扫描线、控制有机发光二极管发光的发光信号线、控制有机发光二极管的阳极复位的复位线中的至少一种。每个第一信号线41包括第一直线段411、第一迂回段413以及第一过渡段412。
具体的，所述显示面板10还包括多个第一扇形区21和多个第二扇形区22，所述第一扇形区21是由多个第一过渡段412呈扇形排布定义出的区域，所述第二扇形区22是由多个第二过渡段422呈扇形排布定义出的区域。
其中，多个第一直线段411水平平行设置，第一过渡段412位于第一扇形区21，多个第一过渡段412在第一扇形区21呈扇形分布。第一直线段411延伸至第一扇形区21与第一过渡段412电性连接，以使多个第一信号线41集成多组第一信号线41，改变多组第一信号线41的延伸路径以避开功能附加区12。第一扇形区21中相邻两个第一过渡段412之间的间距小于相邻两个第一直线段411之间的间距。为了避免相邻两个第一过渡段412之间间距较小而出现短路，可以使得第一扇形区21的多个第一过渡段412分成至少两层设置。
其中，多个所述第一信号线41的所述第一迂回段413设置于所述功能附加区12的边缘，第一迂回段413依次电性连接第一组像素驱动电路岛30中的所有像素驱动电路岛30，第一迂回段413可以是直线，也可以是弧形，或者包括多个折线段。
具体的，第二信号线42可以包括数据线；每个第二信号线42包括第二直线段421、第二迂回段423以及第二过渡段422。
其中，多个第二信号线42的多个第二直线段421竖直平行设置。多个第一信号线41的多个第一直线段411在显示面板10上的垂直投影与多个第二信号线42的多个第二直线段421在显示面板10上的垂直投影互相垂直相交。第二过渡段422位于第二扇形区22，多个第二过渡段422在第二扇形区22呈扇形分布。第二直线段421延伸至第二扇形区22与第二过渡段422电性连接连接，以使多个第二信号线42集成多簇第二信号线42，改变多簇第二信号线42的延伸方向以避开功能附加区12。第二扇形区22中相邻两个第二过渡段422之间的间距小于相邻两个第二直线段421之间的间距。
多个第二信号线42的多个第二直线段421分成多簇分别延伸至多个第二扇形区22以与多个第二过渡段422电性连接。每簇第一直线段411对应延伸至一个第二扇形区22中。多个第二过渡段422分为多簇，每簇第二过渡段422位于同一个第二扇形区22中。多个第二扇形区22对称设置于功能附加区12相对两侧且靠近第一迂回线设置。多个第二信号线42的第二迂回段423设置于功能附加区12的边缘。第二过渡段422与第二迂回段423一对一地电性连接。第一迂回段413与第二迂回段423位于不同层。
其中，所述第一迂回段413和所述第二迂回段423位于不同层，多个所述第二信号线42的所述第二迂回段423设置于所述功能附加区12的边缘；每簇第二迂回段423的两端分别与一簇第二过渡段422电性连接，即第二迂回段423与第二过渡段422电性连接。
进一步地，功能附加区12对应于第一迂回段413的边缘处的第一组像素驱动电路岛30的边缘凸出或凹陷，以增加功能附加区12的透光面积。
如图7所示，显示面板10还包括多个连接线104，连接线104与第二迂回段423位于不同层，每组第二迂回段423包括至少两簇长度不同的第二迂回段423，每簇第二迂回段423的两端分别通过连接线104与第一组像素驱动电路岛30中的两个互相镜像设置的像素驱动电路岛30电性连接，以避免同一组相邻两簇第二迂回段423为了实现与像素驱动电路岛30电性连接，在延伸的过程中相交而出现短路。
如图8和图9所示，图8所示的显示面板10与图6所示显示面板10的结构基本相似，不同之处在于，所述第二信号线42的第二迂回段423呈弧形排布。
具体的，所述第二信号线42的第二迂回段423呈圆弧线设置，此时功能附加区12的整体形状呈圆形；所述第二信号线42的第二迂回段423呈椭圆弧线设置，此时功能附加区12的整体形状呈椭圆形。
如图10和图11所示，图10所示的显示面板10与图6所示显示面板10的结构基本相似，不同之处在于，至少部分所述第二信号线42的第二迂回段423环绕整个功能附加区12设置。
部分像素驱动电路岛30呈环形均匀排列设置于功能附加区12的边缘。多个第二信号线42的第二迂回段423环绕功能附加区12设置且与至少部分像素驱动电路岛30依次电性连接。多个第一信号线41的第一迂回段413依次电性连接像素驱动电路岛30中的任意两个相邻的像素驱动电路岛30。
传统技术中，每个显示子像素的下方对应设置一个像素驱动电路，使得多个显示像素对应的多个像素驱动电路分散地分布。通过在功能附加区12的***设置多个由像素驱动电路相对集中形成的像素驱动电路岛30，像素驱动电路岛30中的第一驱动电路1211用于驱动功能附加区12中的多个第一像素121，以使得功能附加区12不设置像素驱动电路，从而使功能附加区12的透光率提高。多个像素驱动电路岛30的设置也使功能附加区12的尺寸增加。
如图12所示，所述显示面板10包括基板50和设置于所述基板50上的至少两绝缘层，所述第一驱动电路1211设置于所述基板50上且被所述绝缘层覆盖，所述第一驱动电路1211与所述第一阳极1212通过位于绝缘层中的透明导线电性连接。
进一步的，所述透明导线包括至少两层位于不同层别的连接走线。
进一步的，所述基板50上设置有位于所述主显示区11中的第二驱动电路1112，所述第二像素111通过位于绝缘层中的导电层与所述第二驱动电路1112电性连接。
在一实施方式中，所述显示面板10包括设置于所述基板50上的第一驱动电路1211、覆盖所述第一驱动电路1211的第一绝缘层61、设置于所述第一绝缘层61上的第一搭接走线71、覆盖所述第一搭接走线71的第二绝缘层62、设置于所述第二绝缘层62上的第二搭接走线72、覆盖所述第二搭接走线72的第三绝缘层63、设置于所述第三绝缘层63上的第三搭接走线73、覆盖所述第二搭接走线72的第四绝缘层64、设置于所述第四绝缘层64上的像素阳极以及像素定义层80，所述像素定义层80上具有对应于像素阳极的像素开口81。
位于所述功能附加区12的搭接走线为透明导线；位于不同层别的搭接走线通过过孔电性连接，通过位于不同层别的所述搭接走线的电性连接，实现第一阳极1212与第一驱动电路1211的电性连接，从而便于布线排布。
具体的，位于同一层别的相邻两条搭接走线之间的间距大于2微米，以避免位于同一层别的相邻两条搭接走线之间发生短路；每条搭接走线的线宽大于1微米。
其中，所述像素阳极包括第一阳极1212和用于驱动第二像素111的第二阳极1111，所述第二阳极1111位于所述主显示区11，所述导电层可以与所述透明导线的结构和制程相同，所述第二阳极1111通过多层搭接走线与第二驱动电路1112电性连接。
需要说明的是，实际实施中，导电层也可以为位于主显示区11中的多层不透明的导电走线形成，即位于主显示区11中的搭接走线为不透明的导电走线。
需要说明的是，图12中仅示意了第一阳极1212通过位于功能附加区12的搭接走线与第一驱动电路1211电性连接的情况，实际实施中，第一阳极1212还可以通过主显示区11中的搭接走线与所述第一驱动电路1211电性连接。
需要说明的是，图12中仅示意了具有三层搭接走线的情况，实际实施中，还可以设置成两层、四层、五层或更多层搭接走线。
需要说明的是，所述透明导线的制备材料包括但不限于铟锡金属氧化物、铟锌金属氧化物、氟锡金属氧化物或纳米银线；绝缘层由透明材料制备，绝缘层包括但不限于氧化硅或氮化硅。
基于上述显示面板10，本发明还提供一种显示装置，如图13所示，所述显示装置包括上述的显示面板10和与所述显示面板10的功能附加区12对应设置的功能器件103。
其中，功能器件103可以为摄像头、光学触控组件以及指纹识别传感器等感光元件。
本发明的有益效果为：通过去除触控层90与附加功能区处对应的部分，避免触控层90影响到摄像头等感光元件的拍照和成像，同时根据开孔91的面积确定是否在开孔91处设置触控走线101，开孔91面积较小时，触控层90开孔91处不设置触控走线，开孔91的面积较大时，利用高透明的透明导体材料形成触控走线101，使得开孔91处具有触控功能，并且功能附加区12也可以用于显示图像和安装摄像头等感光元件，提高用户体验。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。

Claims (19)

  1. 一种显示面板，其中，所述显示面板具有触控层，所述显示面板包括主显示区和功能附加区；
    其中，所述功能附加区中排布有多个第一像素，所述触控层上设置有与所述功能附加区对应的开孔，所述触控层对应所述功能附加区的透光率大于所述触控层对应所述主显示区的透光率；所述触控层的开孔中无触控走线设置，或所述触控层的开孔中设置有由透明导体材料形成的触控走线。
  2. 根据权利要求1所述的显示面板，其中，当所述触控层的开孔的面积小于或等于4平方毫米时，所述触控层的开孔中无触控走线设置。
  3. 根据权利要求1所述的显示面板，其中，所述触控层的开孔的直径小于或等于2毫米时，所述触控层的开孔中无触控走线设置。
  4. 根据权利要求3所述的显示面板，其中，所述触控层的开孔的形状呈圆形、大半圆形或小半圆形。
  5. 根据权利要求1所述的显示面板，其中，所述触控走线与所述触控层电性连接。
  6. 根据权利要求1所述的显示面板，其中，所述功能附加区的周侧设置有第一驱动电路和信号走线，所述功能附加区中设置有用于驱动第一像素的第一阳极，所述第一驱动电路通过透明导线与所述第一阳极电性连接。
  7. 根据权利要求6所述的显示面板，其中，所述功能附加区的周侧设置有多个像素驱动电路岛，所述像素驱动电路岛中的第一组像素驱动电路岛包括多个第一驱动电路，所述信号走线包括多个第一信号线以及多个第二信号线，多个所述第一信号线和多个所述第二信号线均与多个第一驱动电路电性连接。
  8. 根据权利要求7所述的显示面板，其中，每个所述第一信号线包括第一迂回段，每个所述第二信号线包括第二迂回段，所述第一迂回段和所述第二迂回段位于不同层，多个所述第一信号线的所述第一迂回段设置于所述功能附加区的边缘，多个所述第二信号线的所述第二迂回段设置于所述功能附加区的边缘。
  9. 一种显示面板，其中，所述显示面板具有触控层，所述显示面板包括主显示区和功能附加区；
    其中，所述功能附加区中排布有多个第一像素，所述触控层上设置有与所述功能附加区对应的开孔，所述触控层对应所述功能附加区的透光率大于所述触控层对应所述主显示区的透光率。
  10. 根据权利要求9所述的显示面板，其中，所述触控层的开孔中无触控走线设置。
  11. 根据权利要求10所述的显示面板，其中，当所述触控层的开孔的面积小于或等于4平方毫米时，所述触控层的开孔中无触控走线设置。
  12. 根据权利要求10所述的显示面板，其中，所述触控层的开孔的直径小于或等于2毫米时，所述触控层的开孔中无触控走线设置。
  13. 根据权利要求12所述的显示面板，其中，所述触控层的开孔的形状呈圆形、大半圆形或小半圆形。
  14. 根据权利要求9所述的显示面板，其中，所述触控层的开孔中设置有由透明导体材料形成的触控走线。
  15. 根据权利要求14所述的显示面板，其中，所述触控走线与所述触控层电性连接。
  16. 根据权利要求9所述的显示面板，其中，所述功能附加区的周侧设置有第一驱动电路和信号走线，所述功能附加区中设置有用于驱动第一像素的第一阳极，所述第一驱动电路通过透明导线与所述第一阳极电性连接。
  17. 根据权利要求16所述的显示面板，其中，所述功能附加区的周侧设置有多个像素驱动电路岛，所述像素驱动电路岛中的第一组像素驱动电路岛包括多个第一驱动电路，所述信号走线包括多个第一信号线以及多个第二信号线，多个所述第一信号线和多个所述第二信号线均与多个第一驱动电路电性连接。
  18. 根据权利要求17所述的显示面板，其中，每个所述第一信号线包括第一迂回段，每个所述第二信号线包括第二迂回段，所述第一迂回段和所述第二迂回段位于不同层，多个所述第一信号线的所述第一迂回段设置于所述功能附加区的边缘，多个所述第二信号线的所述第二迂回段设置于所述功能附加区的边缘。
  19. 一种显示装置，其中，包括显示面板和功能器件；所述显示面板具有触控层，所述显示面板包括主显示区和功能附加区，所述功能器件与所述显示面板的功能附加区对应设置；
    其中，所述功能附加区中排布有多个第一像素，所述触控层上设置有与所述功能附加区对应的开孔，所述触控层对应所述功能附加区的透光率大于所述触控层对应所述主显示区的透光率。
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