WO2021174623A1 - 一种显示面板 - Google Patents

一种显示面板 Download PDF

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Publication number
WO2021174623A1
WO2021174623A1 PCT/CN2020/082692 CN2020082692W WO2021174623A1 WO 2021174623 A1 WO2021174623 A1 WO 2021174623A1 CN 2020082692 W CN2020082692 W CN 2020082692W WO 2021174623 A1 WO2021174623 A1 WO 2021174623A1
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WO
WIPO (PCT)
Prior art keywords
line
ring
display panel
metal layer
wiring area
Prior art date
Application number
PCT/CN2020/082692
Other languages
English (en)
French (fr)
Inventor
杨薇薇
戴超
陈诚
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 US16/957,378 priority Critical patent/US11785817B2/en
Publication of WO2021174623A1 publication Critical patent/WO2021174623A1/zh

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Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
    • H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
    • H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
    • 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
    • H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
    • H10K59/65—OLEDs integrated with inorganic image sensors

Definitions

  • This application relates to the field of display technology, and in particular to a display panel.
  • OLED Organic Light-Emitting Diode
  • OLED Organic Light-Emitting Diode
  • Full screen is one of the goals of the development of OLED display technology. It can be done by digging holes in the screen and setting up a camera in the hole. However, digging holes in the screen requires array metal traces to bypass the digging position to work properly, because metal routing is involved. There are more lines, and the width of the peripheral wiring area of the camera device is larger, which greatly reduces the screen-to-body ratio of the full screen, and the resistance difference between different metal layers is large, which will cause display abnormalities.
  • the present application provides a display panel, which is used to improve the wiring distribution in the area around the front camera and reduce the line width in the wiring area to solve the problem of excessively large screen ratio of the camera area in the prior art.
  • the present application provides a display panel including a display area, a ring-shaped wiring area, and a light-transmitting area, the ring-shaped wiring area is arranged around the light-transmitting area, and the display area is arranged around the ring-shaped wiring area;
  • the display panel further includes a first metal layer, a second metal layer, a third metal layer, and an anode layer that are separated by an insulating layer;
  • the first metal layer includes a gate electrode and a scan line, and the scan line includes a first scan line wired through the ring-shaped wiring area;
  • the second metal layer includes an electrode plate that forms a capacitor with the gate and a first bridge line located in the ring-shaped wiring area;
  • the third metal layer includes a source/drain electrode and a data line, and the data line includes a first data line wired through the ring-shaped wiring area;
  • the anode layer includes an anode and a second bridge line located in the ring-shaped wiring area;
  • the first data line is bridged by the first bridge line
  • the first scan line is bridged by the second bridge line.
  • the first scan line and the first data line are both disconnected in the ring wiring area, the first data line is bridged by the first bridge line, and the second A scan line is bridged by the second bridge line, the scan line further includes a second scan line wired through the ring-shaped wiring area, and the data line further includes a second data line wired through the ring-shaped wiring area.
  • the portion of the second data line located in the ring-shaped wiring area is arranged around the light-transmitting area, and the portion of the second scan line located in the ring-shaped wiring area is arranged around the light-transmitting area. District arrangement.
  • the first bridge line is connected to the first data line through a first via hole
  • the second bridge line is connected to the first scan line through a second via hole
  • the insulating layer includes a gate insulating layer, an interlayer insulating layer, and a flat layer;
  • the gate insulating layer is located between the first metal layer and the second metal layer;
  • the interlayer insulating layer is located between the second metal layer and the third metal layer;
  • the flat layer is located between the third metal layer and the anode layer;
  • the first via hole penetrates the interlayer insulating layer
  • the second via hole penetrates the gate insulating layer, the interlayer insulating layer, and the flat layer.
  • the first bridge line and the second data line are overlapped and arranged in a direction perpendicular to the display panel, and the second bridge
  • the wiring and the second scan line overlap and arrange wiring in a direction perpendicular to the display panel.
  • the second data line and the second scan line are partially overlapped and arranged in wiring, and the second data line and the second scan line
  • the orthographic projections of the wire, the first bridge line and the second bridge line on the substrate fall on the same arc line.
  • the second metal layer and the third metal layer use the same material.
  • the difference in sheet resistance between the data line and the first bridge line is less than or equal to 0.15 ⁇ , and the difference in sheet resistance between the scan line and the second bridge line is less than or equal to 0.2 ⁇ .
  • the present application also provides a display panel including a display area, a ring-shaped wiring area and a light-transmitting area, the ring-shaped wiring area is arranged around the light-transmitting area, and the display area is arranged around the ring-shaped wiring area;
  • the display panel further includes a first metal layer, a second metal layer, a third metal layer, and an anode layer that are separated by an insulating layer;
  • the first metal layer includes a gate electrode and a scan line, and the scan line includes a first scan line wired through the ring-shaped wiring area;
  • the second metal layer includes an electrode plate that forms a capacitor with the gate and a first bridge line located in the ring-shaped wiring area;
  • the third metal layer includes a source/drain electrode and a data line, and the data line includes a first data line wired through the ring-shaped wiring area;
  • the anode layer includes an anode and a second bridge line located in the ring-shaped wiring area;
  • the first data line is bridged by the first bridge line
  • the first scan line is bridged by the second bridge line
  • a water and oxygen isolation layer is provided around the light-transmitting area.
  • the first scan line and the first data line are both disconnected in the ring wiring area, the first data line is bridged by the first bridge line, and the second A scan line is bridged by the second bridge line, the scan line further includes a second scan line wired through the ring-shaped wiring area, and the data line further includes a second data line wired through the ring-shaped wiring area.
  • the portion of the second data line located in the ring-shaped wiring area is arranged around the light-transmitting area, and the portion of the second scan line located in the ring-shaped wiring area is arranged around the light-transmitting area. District arrangement.
  • the first bridge line is connected to the first data line through a first via hole
  • the second bridge line is connected to the first scan line through a second via hole
  • the insulating layer includes a gate insulating layer, an interlayer insulating layer, and a flat layer;
  • the gate insulating layer is located between the first metal layer and the second metal layer;
  • the interlayer insulating layer is located between the second metal layer and the third metal layer;
  • the flat layer is located between the third metal layer and the anode layer;
  • the first via hole penetrates the interlayer insulating layer
  • the second via hole penetrates the gate insulating layer, the interlayer insulating layer, and the flat layer.
  • the first bridge line and the second data line are overlapped and arranged in a direction perpendicular to the display panel, and the second bridge
  • the wiring and the second scan line overlap and arrange wiring in a direction perpendicular to the display panel.
  • the second data line and the second scan line are partially overlapped and arranged in wiring, and the second data line and the second scan line
  • the orthographic projections of the wire, the first bridge line and the second bridge line on the substrate fall on the same arc line.
  • the second metal layer and the third metal layer use the same material.
  • the difference in sheet resistance between the data line and the first bridge line is less than or equal to 0.15 ⁇ , and the difference in sheet resistance between the scan line and the second bridge line is less than or equal to 0.2 ⁇ .
  • the beneficial effects of the present application are: in the display panel provided by the present application, the first metal layer and the anode layer use the same material and have the same resistance, and the second metal layer and the third metal layer use the same material and have the same resistance. Quite, avoid causing display abnormalities.
  • the first bridge line is connected to the first data line through a first via
  • the second bridge line is connected to the first scan line through a second via
  • the The second data line and the first bridge line are overlapped and arranged on different film layers
  • the second scan line and the second bridge line are overlapped and arranged on different film layers to ensure a narrower The winding width.
  • the display panel provided by the present application saves two masks, reduces the line width of the wiring area, and improves the display effect of the screen.
  • FIG. 1 is a schematic diagram of the structure of a display panel provided by this application.
  • FIG. 2 is a schematic cross-sectional view of a display panel provided by an embodiment of the application.
  • FIG. 3 is a schematic diagram of the structure of the ring-shaped wiring area of the display panel provided by this application.
  • FIG. 4 is a top view of a ring-shaped wiring area of a display panel provided by Embodiment 1 of the application; FIG.
  • FIG. 5 is a top view of the ring-shaped wiring area of the display panel provided in the second embodiment of the application.
  • an embodiment of the present application provides a display panel.
  • the display panel includes a display area 10, a ring-shaped wiring area 20, and a light-transmitting area 30.
  • the ring-shaped wiring area 20 is arranged around the light-transmitting area 30.
  • the display area 10 is arranged around the ring-shaped wiring area 20.
  • An under-screen camera is provided on the back of the display panel at a position corresponding to the light-transmitting area 30, and the under-screen camera receives light through the light-transmitting area 30.
  • FIG. 2 it is a schematic cross-sectional view of a display panel provided by an embodiment of this application.
  • the display panel includes a first metal layer 12, a second metal layer 13, a third metal layer 14 and an anode layer 15 which are separated by an insulating layer in the ring-shaped wiring area.
  • the display panel is provided with a blind hole/through hole 19 penetrating or partially penetrating the insulating layer in the light-transmitting area 30.
  • the display panel includes a substrate 100, the insulating layer on the substrate 100, and the insulating layer includes, but is not limited to, a barrier layer 200, a buffer layer 300, a first gate insulating layer 400, and a stacked layer.
  • the display panel further includes an active layer 11 patterned on the buffer layer 300, the first metal layer 12 is located on the first gate insulating layer 400, and the second gate insulating layer 500 is located on the Between the first metal layer 12 and the second metal layer 13; the interlayer insulating layer 600 is located between the second metal layer 13 and the third metal layer 14; the flat layer 700 is located on the Between the third metal layer 14 and the anode layer 15; a patterned spacer 16 is provided on the pixel defining layer 800.
  • the first metal layer 12 includes a gate 121 and a scan line 122, and the scan line 122 includes a first scan line 122 a wired through the ring-shaped wiring area 20.
  • the second metal layer 13 includes an electrode plate 131 forming a capacitor with the gate 121 and a first bridge line 132 located in the ring-shaped wiring area 20.
  • the third metal layer 14 includes a source/drain 141 and a data line 142, and the data line 142 includes a first data line 142 a wired through the ring-shaped wiring region 20.
  • the anode layer 15 includes an anode 151 and a second bridge line 152 located in the ring-shaped wiring area 20. Wherein, the first data line 142a is bridged by the first bridge line 132, and the first scan line 122a is bridged by the second bridge line 152.
  • the first metal layer 12 and the anode layer 15 have the same material resistance value
  • the second metal layer 13 and the third metal layer 14 use the same material or have the same material resistance value. That is, the first scan line 122a and the second bridge line 152 have the same material resistance, and the first data line 142a and the first bridge line 132 have the same material or the same material resistance. Therefore, the problem of abnormal display caused by the resistance difference between different metal layers when different metal layers are used for overlapping can be solved, thereby improving the display effect of the screen.
  • the first metal layer 12 includes a patterned gate 121 and a scan line 122, and the gate 121 is disposed corresponding to the active layer 11.
  • a part of the scan line 122 bypasses the light-transmitting area 30 and is routed through the ring-shaped wiring area 20, and the remaining part extends to the display area 10.
  • the scan lines 122 routed through the ring-shaped wiring area 20 include a first scan line 122a and a second scan line 122b.
  • the first scan line 122 a and the second scan line 122 b are wired in the ring wiring area 20.
  • the second metal layer 13 includes an electrode plate 131 forming a capacitor with the gate 121, and a first bridge line 132 located in the ring-shaped wiring area 20.
  • the third metal layer 14 includes a patterned source/drain 141 and a data line 142.
  • the source/drain 141 penetrates the first gate insulating layer 400, the second gate insulating layer 500, and the The via hole of the interlayer insulating layer 600 is electrically connected to the active layer 11.
  • the data line 142 and the scan line 122 are insulated and crossed, and a part of the data line 142 bypasses the light-transmitting area 30 and is routed through the ring-shaped wiring area 20.
  • the data line 142 wired via the ring-shaped wiring area 20 includes a first data line 142a and a second data line 142b. In the present application, there is at least one first data line 142a, and at least one second data line 142b. However, due to the actual requirements for the aperture of the blind hole/through hole 19, more than one data line is often required.
  • the first data line 142 a and the second data line 142 b are routed in the ring wiring area 20.
  • the anode layer 15 includes a patterned anode 151 and a second bridge line 152 located in the ring-shaped wiring area 20.
  • the anode 151 is connected to the drain 141 through a via hole penetrating the planarization layer 700.
  • FIG. 3 it is a schematic diagram of the structure of the ring-shaped wiring area of the display panel provided by the embodiment of the present application.
  • FIG. 3 is only used to illustrate the wiring design of the ring-shaped wiring area.
  • the first scan line 122a and the first data line 142a are both disconnected in the ring wiring area 20, and the disconnected first data line 142a passes through the first via hole.
  • 17 is electrically connected to both ends of the first bridge line 132 in the form of a bridge, and the disconnected first scan line 122a is bridged to both ends of the second bridge line 152 through the second via 18 The form of electrical connection.
  • first bridging line 132 and the second bridging line 152 are arranged in the form of a curve around the light-transmitting area 30 in the ring-shaped wiring area 20.
  • the portions of the second data line 142b and the second scan line 122b outside the ring wiring area 20 are arranged in a straight line, but it is not limited to this; the second data line The portions of 142b and the second scan line 122b in the ring-shaped wiring area 20 are arranged in a curve around the ring-shaped wiring area 20.
  • the material of the first metal layer 12 includes but is not limited to metallic molybdenum (Mo); the material of the second metal layer 13 includes, but is not limited to, titanium/aluminum/titanium (Ti/Al/Ti).
  • the material of the third metal layer 14 includes, but is not limited to, titanium/aluminum/titanium (Ti/Al/Ti) One or more alloy materials;
  • the material of the anode layer 15 includes but not limited to indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO), indium oxide (In2O3), indium gallium oxide (IGO) and one or more of aluminum zinc oxide (AZO) and silver (Ag).
  • the first metal layer 12 and the anode layer 15 have the same material resistance value
  • the second metal layer 13 and the third metal layer 14 use the same material or have the same material resistance value.
  • the first scan line 122a, the second scan line 122b, and the second bridge line 152 have the same material resistance.
  • the first data line 142a, the second data line 142b and the second The material of the one bridge wire 132 is the same or the resistance value of the material used is the same.
  • the difference in sheet resistance between the first scan line 122a (second scan line 122b) and the second bridge line 152 is less than or equal to 0.2 ⁇
  • the first data line 142a (second data line 142b) is The difference in sheet resistance of the first bridge line 132 is less than or equal to 0.15 ⁇ .
  • the difference in sheet resistance between the first scan line 122a (the second scan line 122b) and the second bridge line 152 is less than or equal to 0.1 ⁇
  • the first data line 142a (the second The difference in sheet resistance between the data line 142b) and the first bridge line 132 is less than or equal to 0.05 ⁇ .
  • the sheet resistance of the second bridge line 152 bridged to the first scan line 122a is the same as or equivalent to the sheet resistance of the first scan line 122a, it is bridged to the first data line 142a.
  • the sheet resistance of the first bridge line 132 is the same as or equivalent to the sheet resistance of the first data line 142a. Therefore, it can be solved that the resistance difference between different metal layers is small when different metal layers are used for bonding. Causes display abnormalities, thereby improving the screen display effect.
  • this embodiment is also provided with a water and oxygen insulation layer around the aperture of the blind hole/through hole 19, which can effectively enhance the durability and reliability of the display panel.
  • FIG. 4 it is a top view of the ring-shaped wiring area of the display panel provided in the first embodiment of this application.
  • the second data line 142b overlaps the first bridge line 132 in the portion of the ring wiring area 20 in a direction perpendicular to the display panel
  • the second data line 142b The scan line 122b overlaps the second bridge line 152 in a portion of the ring wiring area 20 in a direction perpendicular to the display panel. That is, the part of the second data line 142b in the ring wiring area 20 coincides with the orthographic projection of the first bridge line 132 on the substrate, and the second scan line 122b is in the ring wiring area 20. Partly coincides with the orthographic projection of the second bridge line 152 on the substrate.
  • the data line 142, the first bridge line 132, the scan line 122, and the second bridge line 152 are not on the same film layer, and the first via 17 and the second via 18 are evenly distributed, so it will not cause short circuit, signal interference, etc. to the line.
  • the wire width in the circular wiring area 20 can be effectively reduced, the screen-to-body ratio can be increased, and the display effect can be enhanced.
  • the second data line 142b overlaps the first bridge line 132 at the portion of the ring wiring area 20 and arranges the wiring or alternately arranges the wiring, the second scan The line 122b and the second bridge line 152 also adopt a similar design. Due to the use of double-layer wiring, compared to wiring the scan line 122/the data line 142 on the same layer, the The wiring width in the ring wiring area 20 increases the screen-to-body ratio and enhances the display effect.
  • FIG. 5 it is a top view of the ring-shaped wiring area of the display panel provided in the second embodiment of this application.
  • this embodiment differs in that the part of the second data line 142b located in the ring wiring area 20 is different from the part of the second scan line 122b located in the ring wiring area 20. They are partially overlapped and arranged in a direction perpendicular to the substrate. That is, the orthographic projections of the second data line 142b, the first bridge line 132, the second scan line 122b, and the second bridge line 152 on the substrate fall on the same arc line.
  • the orthographic projection of the first via 17 and the second via 18 on the substrate does not fall into the second data line 142b, the first bridge line 132, and the second scan
  • the line 122b and the second bridge line 152 are within the overlap range of the orthographic projection on the substrate. That is, the first bridge wire 132 and the second bridge wire 152 are respectively provided with straight extension leads at both ends, and pass through the first via 17 and the second via the extension leads.
  • the via 18 is respectively bridged with the first data line 142a and the first data line 122a.
  • the four types of wiring overlapping wiring in the ring wiring area 20 can further reduce the wiring width in the ring wiring area 20, increase the screen-to-body ratio, and enhance the display effect.
  • the data line 142, the first bridge line 132, the scan line 122, and the second bridge line 152 are not on the same film layer, there will be no short circuit, signal interference and other effects on the line.
  • the display panel of the present application also includes conventional film layers such as an organic light-emitting layer, a cathode layer, and an encapsulation layer, which are not limited here.
  • the first metal layer and the anode layer use the same material and have the same resistance
  • the second metal layer and the third metal layer use the same material and have the same resistance, so as to avoid causing Display Error.
  • the second data line and the first bridge line are arranged to overlap
  • the second scan line and the second bridge line are arranged to overlap, so as to ensure a narrower The winding width.
  • the first bridge line is formed through one step in the patterning process of the second metal layer
  • the second bridge line is formed through one step in the patterning process of the anode layer, which saves two masks.
  • the display panel provided by the present application saves two masks, reduces the line width of the wiring area, and improves the display effect of the screen.

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Abstract

一种显示面板，包括显示区（10）、环形布线区（20）和透光区（30），还包括第一金属层（12）、第二金属层（13）、第三金属层（14）及阳极层（15）。第一金属层（12）包括经环形布线区（20）的第一扫描线（122a）；第二金属层（13）包括第一桥接线（132）；第三金属层（14）包括经环形布线区（20）的第一数据线（142a）；阳极层（15）包括第二桥接线（152）。第一数据线（142a）通过第一桥接线（132）桥接，第一扫描线（122a）通过第二桥接线（152）桥接。

Description

一种显示面板
本申请要求于2020年3月5日提交中国专利局、申请号为202010147355.9、发明名称为“一种显示面板”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及显示技术领域，尤其涉及一种显示面板。
 背景技术
OLED（Organic Light-Emitting Diode）由于其重量轻，自发光，广视角、驱动电压低、发光效率高功耗低、响应速度快等优点，应用范围越来越广泛。全面屏是OLED显示技术开发的目标之一，可通过在屏幕内挖孔并在孔内设置摄像装置，但屏内挖孔需要阵列金属走线绕过挖孔位置才能正常工作，因涉及金属走线较多，摄像装置***布线区域宽度较大，大大降低了全面屏的屏占比，且不同金属层之间电阻差异较大，会导致显示异常。
因此，现有技术存在缺陷，急需改进。
 技术问题
本申请提供的一种显示面板，用以改善前置摄像头周围区域的布线分布，使其布线区域内线宽减小，以解决现有技术中摄像头区域屏占比过大的问题。
 技术解决方案
为解决上述问题，本申请提供的技术方案如下：
本申请提供一种显示面板，包括显示区、环形布线区和透光区，所述环形布线区围绕所述透光区设置，所述显示区围绕所述环形布线区设置；
所述显示面板还包括以绝缘层相隔设置的第一金属层、第二金属层、第三金属层以及阳极层；
所述第一金属层包括栅极和扫描线，所述扫描线包括经由所述环形布线区布线的第一扫描线；
所述第二金属层包括与所述栅极形成电容的电极板以及位于所述环形布线区的第一桥接线；
所述第三金属层包括源/漏极和数据线，所述数据线包括经由所述环形布线区布线的第一数据线；
所述阳极层包括阳极以及位于所述环形布线区的第二桥接线；
其中，所述第一数据线通过所述第一桥接线桥接，所述第一扫描线通过所述第二桥接线桥接。
在本申请的显示面板中，所述第一扫描线与所述第一数据线均在所述环形布线区内断开，所述第一数据线通过所述第一桥接线桥接，所述第一扫描线通过所述第二桥接线桥接，所述扫描线还包括经由所述环形布线区布线的第二扫描线，所述数据线还包括经由所述环形布线区布线的第二数据线。
在本申请的显示面板中，所述第二数据线位于所述环形布线区的部分围绕所述透光区排布，所述第二扫描线位于所述环形布线区的部分围绕所述透光区排布。
在本申请的显示面板中，所述第一桥接线与所述第一数据线通过第一过孔连接，所述第二桥接线与所述第一扫描线通过第二过孔连接。
在本申请的显示面板中，所述绝缘层包括栅绝缘层、层间绝缘层与平坦层；
所述栅绝缘层位于所述第一金属层与所述第二金属层之间；
所述层间绝缘层位于所述第二金属层与所述第三金属层之间；
所述平坦层位于所述第三金属层与所述阳极层之间；
所述第一过孔贯穿所述层间绝缘层，所述第二过孔贯穿所述栅绝缘层、所述层间绝缘层与所述平坦层。
在本申请的显示面板中，在所述环形布线区内，所述第一桥接线与所述第二数据线在垂直于所述显示面板的方向上重叠排布走线，所述第二桥接线与所述第二扫描线在垂直于所述显示面板的方向上重叠排布走线。
在本申请的显示面板中，在所述环形布线区内，所述第二数据线与所述第二扫描线有一部分重叠排布走线，并且所述第二数据线、所述第二扫描线、所述第一桥接线与所述第二桥接线在基板上的正投影落在同一圆弧线上。
在本申请的显示面板中，所述第二金属层与所述第三金属层所用材料相同。
在本申请的显示面板中，所述数据线与所述第一桥接线方块电阻差小于或等于0.15Ω，所述扫描线与所述第二桥接线方块电阻差小于或等于0.2Ω。
本申请还提供一种显示面板，包括显示区、环形布线区和透光区，所述环形布线区围绕所述透光区设置，所述显示区围绕所述环形布线区设置；
所述显示面板还包括以绝缘层相隔设置的第一金属层、第二金属层、第三金属层以及阳极层；
所述第一金属层包括栅极和扫描线，所述扫描线包括经由所述环形布线区布线的第一扫描线；
所述第二金属层包括与所述栅极形成电容的电极板以及位于所述环形布线区的第一桥接线；
所述第三金属层包括源/漏极和数据线，所述数据线包括经由所述环形布线区布线的第一数据线；
所述阳极层包括阳极以及位于所述环形布线区的第二桥接线；
其中，所述第一数据线通过所述第一桥接线桥接，所述第一扫描线通过所述第二桥接线桥接，在所述透光区的四周设置水氧隔绝层。
在本申请的显示面板中，所述第一扫描线与所述第一数据线均在所述环形布线区内断开，所述第一数据线通过所述第一桥接线桥接，所述第一扫描线通过所述第二桥接线桥接，所述扫描线还包括经由所述环形布线区布线的第二扫描线，所述数据线还包括经由所述环形布线区布线的第二数据线。
在本申请的显示面板中，所述第二数据线位于所述环形布线区的部分围绕所述透光区排布，所述第二扫描线位于所述环形布线区的部分围绕所述透光区排布。
在本申请的显示面板中，所述第一桥接线与所述第一数据线通过第一过孔连接，所述第二桥接线与所述第一扫描线通过第二过孔连接。
在本申请的显示面板中，所述绝缘层包括栅绝缘层、层间绝缘层与平坦层；
所述栅绝缘层位于所述第一金属层与所述第二金属层之间；
所述层间绝缘层位于所述第二金属层与所述第三金属层之间；
所述平坦层位于所述第三金属层与所述阳极层之间；
所述第一过孔贯穿所述层间绝缘层，所述第二过孔贯穿所述栅绝缘层、所述层间绝缘层与所述平坦层。
在本申请的显示面板中，在所述环形布线区内，所述第一桥接线与所述第二数据线在垂直于所述显示面板的方向上重叠排布走线，所述第二桥接线与所述第二扫描线在垂直于所述显示面板的方向上重叠排布走线。
在本申请的显示面板中，在所述环形布线区内，所述第二数据线与所述第二扫描线有一部分重叠排布走线，并且所述第二数据线、所述第二扫描线、所述第一桥接线与所述第二桥接线在基板上的正投影落在同一圆弧线上。
在本申请的显示面板中，所述第二金属层与所述第三金属层所用材料相同。
在本申请的显示面板中，所述数据线与所述第一桥接线方块电阻差小于或等于0.15Ω，所述扫描线与所述第二桥接线方块电阻差小于或等于0.2Ω。
 有益效果
本申请的有益效果为：本申请提供的显示面板，所述第一金属层与所述阳极层所用材料相同且电阻相当，所述第二金属层与所述第三金属层所用材料相同且电阻相当，避免造成显示异常。在所述环形布线区内，所述第一桥接线与所述第一数据线通过第一过孔连接，所述第二桥接线与所述第一扫描线通过第二过孔连接，所述第二数据线与所述第一桥接线在不同膜层上重叠排布走线，所述第二扫描线与所述第二桥接线在不同膜层上重叠排布走线，可保证较窄的绕线宽度。本申请提供的显示面板在节省两道光罩，减少布线区线宽的同时，还提高了屏幕的显示效果。
 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申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请提供的显示面板的结构示意图；
图2为本申请实施例提供的显示面板的截面示意图；
图3为本申请提供的显示面板的环形布线区的结构示意图；
图4为本申请实施例一提供的显示面板的的环形布线区的俯视图；
图5为本申请实施例二提供的显示面板的的环形布线区的俯视图。
 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，用以例示本申请可用以实施的特定实施例。本申请所提到的方向用语，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申请，而非用以限制本申请。在图中，结构相似的单元是用以相同标号表示。
本申请针对现有技术中，全面屏通过在屏幕内挖孔并在孔内设置摄像装置，但屏内挖孔需要阵列金属走线绕过挖孔位置才能正常工作，因涉及金属走线较多，摄像装置***布线区域宽度较大，大大降低了全面屏的屏占比，且不同金属层之间电阻差异较大，会导致显示异常的问题，本实施例能够解决该缺陷。
如图1所示，本申请实施例提供一种显示面板，所述显示面板包括显示区10、环形布线区20和透光区30，所述环形布线区20围绕所述透光区30设置，所述显示区10围绕所述环形布线区20设置。所述显示面板背部对应所述透光区30的位置设置有屏下摄像头，且所述屏下摄像头通过所述透光区30进行采光。
结合图2所示，为本申请实施例提供的显示面板的截面示意图。所述显示面板在所述环形布线区包括以绝缘层相隔设置的第一金属层12、第二金属层13、第三金属层14以及阳极层15。所述显示面板在所述透光区30内设有贯穿或部分贯穿所述绝缘层的盲孔/通孔19。
具体地，所述显示面板包括基板100，位于所述基板100上的所述绝缘层，所述绝缘层包括但不限于层叠设置的阻隔层200、缓冲层300、第一栅绝缘层400、第二栅绝缘层500、层间绝缘层600、平坦层700和像素定义层800。所述显示面板还包括位于所述缓冲层300上图案化的有源层11，所述第一金属层12位于所述第一栅绝缘层400上，所述第二栅绝缘层500位于所述第一金属层12与所述第二金属层13之间；所述层间绝缘层600位于所述第二金属层13与所述第三金属层14之间；所述平坦层700位于所述第三金属层14与所述阳极层15之间；所述像素定义层800上设置有图案化的间隔垫16。
在一种实施例中，所述第一金属层12包括栅极121和扫描线122，所述扫描线122包括经由所述环形布线区20布线的第一扫描线122a。所述第二金属层13包括与所述栅极121形成电容的电极板131以及位于所述环形布线区20的第一桥接线132。所述第三金属层14包括源/漏极141和数据线142，所述数据线142包括经由所述环形布线区20布线的第一数据线142a。所述阳极层15包括阳极151以及位于所述环形布线区20的第二桥接线152。其中，所述第一数据线142a通过所述第一桥接线132桥接，所述第一扫描线122a通过所述第二桥接线152桥接。
其中，所述第一金属层12与所述阳极层15所用的材料阻值相当，所述第二金属层13与所述第三金属层14所用材料相同或所用的材料阻值相当。即所述第一扫描线122a与所述第二桥接线152所用的材料阻值相当，所述第一数据线142a与所述第一桥接线132材料相同或所用的材料阻值相当。因此，可以解决使用不同金属层进行搭接时因不同金属层之间电阻差异而导致显示异常的问题，从而提高屏幕显示效果。
结合图2和图3所示，在另一种实施例中，所述第一金属层12包括图案化的栅极121和扫描线122，所述栅极121对应所述有源层11设置，在所述扫描线122中的一部分绕过所述透光区30经由所述环形布线区20布线，剩余另一部分向所述显示区10延伸。经由所述环形布线区20布线的所述扫描线122包括第一扫描线122a和第二扫描线122b。本申请中，所述第一扫描线122a至少为一根，所述第二扫描线122b至少为一根，但由于对所述盲孔/通孔19孔径的实际需求，往往需要多根所述第一扫描线122a和所述第二扫描线122b在所述环形布线区20内布线。
所述第二金属层13包括与所述栅极121形成电容的电极板131，以及位于所述环形布线区20的第一桥接线132。
所述第三金属层14包括图案化的源/漏极141和数据线142，所述源/漏极141通过贯穿所述第一栅绝缘层400、所述第二栅绝缘层500、所述层间绝缘层600的过孔与所述有源层11电连接。所述数据线142与所述扫描线122绝缘交叉设置，在所述数据线142中的一部分绕过所述透光区30经由所述环形布线区20布线。经由所述环形布线区20布线的所述数据线142包括第一数据线142a和第二数据线142b。本申请中，所述第一数据线142a至少为一根，所述第二数据线142b至少为一根，但由于对所述盲孔/通孔19孔径的实际需求，往往需要多根所述第一数据线142a和所述第二数据线142b在所述环形布线区20内布线。
所述阳极层15包括图案化的阳极151以及位于所述环形布线区20的第二桥接线152。所述阳极151通过贯穿所述平坦层700的过孔与所述漏极141连接。
如图3所示，为本申请实施例提供的显示面板的环形布线区的结构示意图，图3仅用作说明环形布线区的布线设计，其膜层关系请以图2中所示为准。在本实施例中，所述第一扫描线122a与所述第一数据线142a均在所述环形布线区20内断开，断开的所述第一数据线142a通过所述第一过孔17与所述第一桥接线132的两端以桥接的形式电连接，断开的所述第一扫描线122a通过所述第二过孔18与所述第二桥接线152的两端以桥接的形式电连接。
其中，所述第一桥接线132与所述第二桥接线152在所述环形布线区20内围绕所述透光区30以曲线的形式排布。
在本实施例中，所述第二数据线142b与所述第二扫描线122b在所述环形布线区20外的部分均为直线排布，但不以此为限；所述第二数据线142b与所述第二扫描线122b在所述环形布线区20内的部分围绕所述环形布线区20以曲线的形式排布。
在本申请中，所述第一金属层12的材料包括但不限于金属钼（Mo）；所述第二金属层13的材料包括但不限于钛/铝/钛（Ti/Al/Ti）中的一种或一种以上的合金，或其他铝系材料的单层或多层结构；所述第三金属层14的材料包括但不限于钛/铝/钛（Ti/Al/Ti）中的一种或一种以上的合金材料；所述阳极层15的材料包括但不限于氧化铟锡（ITO）、氧化铟锌（IZO）、氧化锌（ZnO）、氧化铟（In2O3）、氧化铟镓（IGO）和氧化锌铝（AZO）、银（Ag）中的一种或一种以上。
在本实施例中，所述第一金属层12与所述阳极层15所用的材料阻值相当，所述第二金属层13与所述第三金属层14所用材料相同或所用的材料阻值相当。即所述第一扫描线122a、所述第二扫描线122b与所述第二桥接线152所用的材料阻值相当，所述第一数据线142a、所述第二数据线142b与所述第一桥接线132材料相同或所用的材料阻值相当。
本申请的所述第一扫描线122a（第二扫描线122b）与所述第二桥接线152的方块电阻差小于或等于0.2Ω，所述第一数据线142a（第二数据线142b）与所述第一桥接线132的方块电阻差小于或等于0.15Ω。
具体地，在本实施例中所述第一扫描线122a（第二扫描线122b）与所述第二桥接线152的方块电阻差小于或等于0.1Ω，所述第一数据线142a（第二数据线142b）与所述第一桥接线132的方块电阻差小于或等于0.05Ω。
本实施例中，由于与所述第一扫描线122a桥接的所述第二桥接线152的方块电阻与所述第一扫描线122a的方块电阻相同或相当，与所述第一数据线142a桥接的所述第一桥接线132的方块电阻与所述第一数据线142a的方块电阻相同或相当，因此，可以解决使用不同金属层进行搭接时因不同金属层之间电阻差异较小，而导致显示异常的问题，从而提高屏幕显示效果。
此外，本实施例还在所述盲孔/通孔19孔径的四周设置有水氧隔绝层，能够有效增强显示面板的耐用性与可靠性。
如图4所示，为本申请实施例一提供的显示面板的的环形布线区的俯视图。在本实施例中，所述第二数据线142b在所述环形布线区20的部分与所述第一桥接线132在垂直于所述显示面板的方向上重叠排布走线，所述第二扫描线122b在所述环形布线区20的部分与所述第二桥接线152在垂直于所述显示面板的方向上重叠排布走线。即所述第二数据线142b在所述环形布线区20的部分与所述第一桥接线132在所述基板上的正投影重合，所述第二扫描线122b在所述环形布线区20的部分与所述第二桥接线152在所述基板上的正投影重合。
由于所述数据线142、所述第一桥接线132、所述扫描线122以及所述第二桥接线152均不在同一膜层上，且所述第一过孔17与所述第二过孔18均间隔分布，因此，不会对线路造成短路、信号干扰等影响。
本实施例中，通过采用上述方式将不同膜层的走线进行两两重叠排布可以有效的减小所述环形布线区20内的走线线宽，提高屏占比，增强显示效果。
在另一种实施例中，所述第二数据线142b在所述环形布线区20的部分与所述第一桥接线132部分重叠排布走线或者交错排布走线，所述第二扫描线122b与所述第二桥接线152也采用相似设计，由于采用了双层走线，相对于将所述扫描线122/所述数据线142在同一层布线而言，有效的减小所述环形布线区20内的走线线宽，提高屏占比，增强显示效果。
如图5所示，为本申请实施例二提供的显示面板的的环形布线区的俯视图。本实施例相较于上述实施例一而言，区别在于：所述第二数据线142b位于所述环形布线区20的部分与所述第二扫描线122b位于所述环形布线区20的部分在垂直于所述基板的方向上部分重叠排布。也就是说，所述第二数据线142b、所述第一桥接线132、所述第二扫描线122b与所述第二桥接线152在基板上的正投影落在同一圆弧线上。
此时，所述第一过孔17与所述第二过孔18在所述基板上的正投影不落入所述第二数据线142b、所述第一桥接线132、所述第二扫描线122b与所述第二桥接线152在所述基板上的正投影的重叠范围内。即所述第一桥接线132与所述第二桥接线152分别在各自的两端设有直线段的延长引线，并通过所述延长引线穿过所述第一过孔17与所述第二过孔18分别与所述第一数据线142a以及所述第一数据线122a桥接。
本实施例中的环形布线区20内采用四类走线重叠排线可以进一步减小所述环形布线区20内的走线线宽，提高屏占比，增强显示效果。
由于所述数据线142、所述第一桥接线132、所述扫描线122以及所述第二桥接线152均不在同一膜层上，因此，不会对线路造成短路、信号干扰等影响。
本申请的所述显示面板还包括有机发光层，阴极层以及封装层等常规膜层，此处不做限制。
综上所述，在本申请中，所述第一金属层与所述阳极层所用材料相同且电阻相当，所述第二金属层与所述第三金属层所用材料相同且电阻相当，避免造成显示异常。在所述环形布线区内，所述第二数据线与所述第一桥接线重叠排布走线，所述第二扫描线与所述第二桥接线重叠排布走线，可保证较窄的绕线宽度。所述第一桥接线通过所述第二金属层图案化的制程中一道形成，所述第二桥接线通过所述阳极层的图案化制程中一道形成，可节省两道光罩。本申请提供的显示面板在节省两道光罩，减少布线区线宽的同时，还提高了屏幕的显示效果。
综上所述，虽然本申请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申请，本领域的普通技术人员，在不脱离本申请的精神和范围内，均可作各种更动与润饰，因此本申请的保护范围以权利要求界定的范围为准。

Claims (18)

  1. 一种显示面板，其包括显示区、环形布线区和透光区，所述环形布线区围绕所述透光区设置，所述显示区围绕所述环形布线区设置；
    所述显示面板还包括以绝缘层相隔设置的第一金属层、第二金属层、第三金属层以及阳极层；
    所述第一金属层包括栅极和扫描线，所述扫描线包括经由所述环形布线区布线的第一扫描线；
    所述第二金属层包括与所述栅极形成电容的电极板以及位于所述环形布线区的第一桥接线；
    所述第三金属层包括源/漏极和数据线，所述数据线包括经由所述环形布线区布线的第一数据线；
    所述阳极层包括阳极以及位于所述环形布线区的第二桥接线；
    其中，所述第一数据线通过所述第一桥接线桥接，所述第一扫描线通过所述第二桥接线桥接。
  2. 根据权利要求1所述的显示面板，其中，所述第一扫描线与所述第一数据线均在所述环形布线区内断开，所述第一数据线通过所述第一桥接线桥接，所述第一扫描线通过所述第二桥接线桥接。
  3. 根据权利要求1所述的显示面板，其中，所述扫描线还包括经由所述环形布线区布线的第二扫描线，所述数据线还包括经由所述环形布线区布线的第二数据线，所述第二数据线位于所述环形布线区的部分围绕所述透光区排布，所述第二扫描线位于所述环形布线区的部分围绕所述透光区排布。
  4. 根据权利要求3所述的显示面板，其中，在所述环形布线区内，所述第一桥接线与所述第二数据线在垂直于所述显示面板的方向上重叠排布走线，所述第二桥接线与所述第二扫描线在垂直于所述显示面板的方向上重叠排布走线。
  5. 根据权利要求4所述的显示面板，其中，在所述环形布线区内，所述第二数据线与所述第二扫描线有一部分重叠排布走线，并且所述第二数据线、所述第二扫描线、所述第一桥接线与所述第二桥接线在基板上的正投影落在同一圆弧线上。
  6. 根据权利要求1所述的显示面板，其中，所述第一桥接线与所述第一数据线通过第一过孔连接，所述第二桥接线与所述第一扫描线通过第二过孔连接。
  7. 根据权利要求6所述的显示面板，其中，所述绝缘层包括栅绝缘层、层间绝缘层与平坦层；
    所述栅绝缘层位于所述第一金属层与所述第二金属层之间；
    所述层间绝缘层位于所述第二金属层与所述第三金属层之间；
    所述平坦层位于所述第三金属层与所述阳极层之间；
    所述第一过孔贯穿所述层间绝缘层，所述第二过孔贯穿所述栅绝缘层、所述层间绝缘层与所述平坦层。
  8. 根据权利要求1所述的显示面板，其中，所述第二金属层与所述第三金属层所用材料相同。
  9. 根据权利要求1所述的显示面板，其中，所述数据线与所述第一桥接线方块电阻差小于或等于0.15Ω，所述扫描线与所述第二桥接线方块电阻差小于或等于0.2Ω。
  10. 一种显示面板，其包括显示区、环形布线区和透光区，所述环形布线区围绕所述透光区设置，所述显示区围绕所述环形布线区设置；
    所述显示面板还包括以绝缘层相隔设置的第一金属层、第二金属层、第三金属层以及阳极层；
    所述第一金属层包括栅极和扫描线，所述扫描线包括经由所述环形布线区布线的第一扫描线；
    所述第二金属层包括与所述栅极形成电容的电极板以及位于所述环形布线区的第一桥接线；
    所述第三金属层包括源/漏极和数据线，所述数据线包括经由所述环形布线区布线的第一数据线；
    所述阳极层包括阳极以及位于所述环形布线区的第二桥接线；
    其中，所述第一数据线通过所述第一桥接线桥接，所述第一扫描线通过所述第二桥接线桥接，在所述透光区的四周设置水氧隔绝层。
  11. 根据权利要求10所述的显示面板，其中，所述第一扫描线与所述第一数据线均在所述环形布线区内断开，所述第一数据线通过所述第一桥接线桥接，所述第一扫描线通过所述第二桥接线桥接。
  12. 根据权利要求10所述的显示面板，其中，所述扫描线还包括经由所述环形布线区布线的第二扫描线，所述数据线还包括经由所述环形布线区布线的第二数据线，所述第二数据线位于所述环形布线区的部分围绕所述透光区排布，所述第二扫描线位于所述环形布线区的部分围绕所述透光区排布。
  13. 根据权利要求12所述的显示面板，其中，在所述环形布线区内，所述第一桥接线与所述第二数据线在垂直于所述显示面板的方向上重叠排布走线，所述第二桥接线与所述第二扫描线在垂直于所述显示面板的方向上重叠排布走线。
  14. 根据权利要求13所述的显示面板，其中，在所述环形布线区内，所述第二数据线与所述第二扫描线有一部分重叠排布走线，并且所述第二数据线、所述第二扫描线、所述第一桥接线与所述第二桥接线在基板上的正投影落在同一圆弧线上。
  15. 根据权利要求10所述的显示面板，其中，所述第一桥接线与所述第一数据线通过第一过孔连接，所述第二桥接线与所述第一扫描线通过第二过孔连接。
  16. 根据权利要求15所述的显示面板，其中，所述绝缘层包括栅绝缘层、层间绝缘层与平坦层；
    所述栅绝缘层位于所述第一金属层与所述第二金属层之间；
    所述层间绝缘层位于所述第二金属层与所述第三金属层之间；
    所述平坦层位于所述第三金属层与所述阳极层之间；
    所述第一过孔贯穿所述层间绝缘层，所述第二过孔贯穿所述栅绝缘层、所述层间绝缘层与所述平坦层。
  17. 根据权利要求10所述的显示面板，其中，所述第二金属层与所述第三金属层所用材料相同。
  18. 根据权利要求10所述的显示面板，其中，所述数据线与所述第一桥接线方块电阻差小于或等于0.15Ω，所述扫描线与所述第二桥接线方块电阻差小于或等于0.2Ω。
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