WO2023231104A1 - 显示面板及显示终端 - Google Patents

显示面板及显示终端 Download PDF

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Publication number
WO2023231104A1
WO2023231104A1 PCT/CN2022/101445 CN2022101445W WO2023231104A1 WO 2023231104 A1 WO2023231104 A1 WO 2023231104A1 CN 2022101445 W CN2022101445 W CN 2022101445W WO 2023231104 A1 WO2023231104 A1 WO 2023231104A1
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WO
WIPO (PCT)
Prior art keywords
transmission
display panel
metal layer
display area
lines
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Application number
PCT/CN2022/101445
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English (en)
French (fr)
Inventor
李晓康
何瑞亭
Original Assignee
武汉华星光电半导体显示技术有限公司
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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
Publication of WO2023231104A1 publication Critical patent/WO2023231104A1/zh

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Classifications

    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2074—Display of intermediate tones using sub-pixels

Definitions

  • the present application relates to the field of display technology, and in particular, to a display panel and a display terminal.
  • the non-display area is the channel for all driving signal lines. Since the spacing of the data signal lines in the non-display area is much smaller than the spacing of the data lines in the display area, and the non-display area is also equipped with other signal lines, other signal lines are
  • the wiring layout design of wires and data signals will lead to the height of the fan-out wiring, which will occupy a large space on the lower frame, resulting in a wider lower frame width.
  • Embodiments of the present application provide a display panel to solve the technical problem that the lower frame of the display panel in the prior art is relatively wide and cannot meet the narrow frame design requirements.
  • An embodiment of the present application provides a display panel, including a display area and a non-display area located on at least one side of the display area.
  • the display panel includes a substrate, a first metal layer and a second metal layer; the first metal layer A layer is provided on one side of the substrate, the first metal layer includes a plurality of data lines in the display area and extending along a first direction; the second metal layer is provided on the first metal layer On a side away from the substrate, the second metal layer includes a plurality of first transmission lines in the display area, each of the first transmission lines is electrically connected to at least one of the data lines, and the first transmission lines At least part of the first transmission line extends along the first direction; wherein, the spacing between two adjacent first transmission lines extending along the first direction is smaller than the spacing between two adjacent data lines.
  • An embodiment of the present application also provides a display terminal, which includes a terminal body and a display panel.
  • the terminal body and the display panel are combined into one body.
  • the display panel includes a display area and a non-display area located on at least one side of the display area. area, the display panel includes a substrate, a first metal layer and a second metal layer; the first metal layer is provided on one side of the substrate, and the first metal layer includes a plurality of strips located in the display area. and data lines extending along the first direction; the second metal layer is provided on a side of the first metal layer away from the substrate, and the second metal layer includes a plurality of first metal lines located in the display area.
  • each of the first transmission lines is electrically connected to at least one of the data lines, and at least part of the first transmission line extends along the first direction; wherein adjacent adjacent ones extending along the first direction The distance between two first transmission lines is smaller than the distance between two adjacent data lines.
  • a display panel provided by an embodiment of the present application includes a display area and a non-display area located on at least one side of the display area.
  • the display panel includes a substrate, a first metal layer and a second metal layer; the first metal layer is provided on the substrate On one side of the first metal layer, the first metal layer includes a plurality of data lines in the display area and extending along the first direction; the second metal layer is provided on the side of the first metal layer away from the substrate, and the second metal layer includes a plurality of data lines in the display area.
  • each first transmission line is electrically connected to at least one data line, and at least part of the first transmission line extends along the first direction; wherein, one of the two adjacent first transmission lines extending along the first direction
  • the spacing between two adjacent data lines is smaller than the spacing between two adjacent data lines; in this application, by using the second metal layer for wiring the first transmission line, and transmitting the data signal from the non-display area to the data line in the display area through the first transmission line, it can be realized Place the fanout trace in the display area (Fanout in AA) design; and the spacing between two adjacent first transmission lines extending along the first direction is smaller than the spacing between two adjacent data lines, which allows the first transmission lines to be arranged more densely, reducing the By reducing the overall width of the first transmission line extending in the first direction, the left and right arc areas of the lower frame are narrowed, that is, an extremely narrow frame design can be achieved without adding additional process film layers.
  • FIG. 1 is a schematic diagram of the basic structure of a display panel provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of the film layer structure of the display panel provided by the embodiment of the present application.
  • FIG. 3 is a schematic diagram of the routing of the first transmission line provided by the embodiment of the present application.
  • Figure 4 is a schematic diagram of the electrical connection between the first transmission section and the data line provided by the embodiment of the present application.
  • FIG. 5 is a schematic diagram of the film structure of the active layer provided by the embodiment of the present application.
  • FIG. 6 is a schematic diagram of the film structure of the first gate layer provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of the film structure of the second gate layer provided by an embodiment of the present application.
  • FIG. 8 is a schematic diagram of the film structure of the first metal layer provided by the embodiment of the present application.
  • FIG. 9 is a schematic diagram of the film structure of the second metal layer provided by an embodiment of the present application.
  • FIG. 10 is a schematic diagram of the film structure of a sub-pixel provided by an embodiment of the present application.
  • FIG. 11 is a schematic diagram of the basic structure of another display panel provided by an embodiment of the present application.
  • FIG 1, Figure 2, Figure 3 and Figure 4 they are respectively a schematic diagram of the basic structure of the display panel, a schematic diagram of the film layer structure of the display panel, a schematic diagram of the routing of the first transmission line and the first transmission section provided by the embodiment of the present application. Schematic diagram of electrical connection with data lines.
  • the display panel includes a display area A1 and a non-display area A2 located on at least one side of the display area A1.
  • the display panel includes a substrate 11, a first metal layer 20 and a second metal layer.
  • the first metal layer 20 is provided on one side of the substrate 11, and the first metal layer 20 includes a plurality of data lines Data located in the display area A1 and extending along the first direction; the The second metal layer 30 is disposed on a side of the first metal layer 20 away from the substrate 11.
  • the second metal layer 30 includes a plurality of first transmission lines 301 in the display area A1, each of which is The first transmission line 301 is electrically connected to at least one of the data lines Data, and at least part of the first transmission line 301 extends along the first direction; wherein, two adjacent ones extending along the first direction The distance between the first transmission lines 301 is smaller than the distance between two adjacent data lines Data.
  • fan-out traces are usually provided in the non-display area A2 to transmit the data signal from the non-display area A2 to the data line Data in the display area A1, but the fan-out traces occupy a large space. , causing the frame of the display panel to be unable to be further compressed, making it impossible to meet the design requirements for narrow borders.
  • the second metal layer 30 is used for wiring the first transmission line 301, and the data signal is transmitted from the non-display area A2 to the data line Data in the display area A1 through the first transmission line 301, so that the fan-out wiring can be placed in the display area A1.
  • the design of the display area A1; and the distance between two adjacent first transmission lines 301 extending along the first direction is smaller than the distance between two adjacent data lines Data, so that the first transmission lines 301 can be arranged more densely.
  • the left and right arc areas of the lower frame of the display panel can be narrowed, that is, an extremely narrow frame design can be achieved without adding additional process film layers.
  • the number of the first transmission lines 301 is greater than the number of the data lines Data, and the second direction and The first direction is vertical.
  • the first transmission lines 301 can be arranged more densely and reduce the overall size of the first transmission lines 301
  • the width occupied by the display panel can narrow the left and right arc areas of the lower frame of the display panel, that is, an extremely narrow frame design can be achieved without increasing the process film layer.
  • the first metal layer 20 is a film layer used to transmit source and drain signals
  • the second metal layer 30 is located between the first metal layer 20 and the anode layer (not shown).
  • the driving electrical signal generated by the thin film transistor (not shown) is transmitted from the first metal layer 20 to the second metal layer 30 and then to the anode layer.
  • the fan-out wiring in the prior art uses the first gate layer 60 or the second gate layer 70 for wiring.
  • the embodiment of the present application uses the second metal layer 30 for wiring. Compared with the first gate layer 60 or the second gate layer 70, the resistance of the second metal layer 30 is smaller, and the degree of signal attenuation is low.
  • the embodiment of the present application effectively utilizes the second metal layer 30 to conduct the wiring of the first transmission line 301.
  • the present application does not need to add other additional film layers, nor does it require additional light.
  • the mask manufacturing process does not cause an increase in process costs, the preparation process is simple, and mass production can be achieved.
  • the first transmission line 301 includes a first transmission section 3011 and a second transmission section 3012 located in the display area A1.
  • the second transmission section 3012 extends along the first direction, one end of the first transmission section 3011 is electrically connected to the data line Data, and the other end of the first transmission section 3011 is connected to the second The transmission section 3012 is electrically connected.
  • the first transmission line 301 is divided into a first transmission section 3011 and a second transmission section 3012.
  • the second transmission section 3012 extends along the first direction (that is, the vertical direction), and the first transmission section 3011 extends along the second direction (that is, the horizontal direction). ) extends, the second transmission section 3012 vertically transmits the data signal upward from the non-display area A2, the first transmission section 3011 is connected to the second transmission section 3012, and the first transmission section 3011 transmits the vertically transmitted data signal horizontally, where,
  • the data signal on each first transmission line 301 is correspondingly transmitted to at least one data line Data in the display area A1.
  • Figure 2 only shows the routing pattern of one first transmission line 301.
  • the second transmission section 3012 extends along the first direction and is connected to the first transmission section 3011.
  • the transmission section 3011 extends along the second direction and is electrically connected to the data line Data, that is, the data signal is transmitted to the first transmission section 3011 (numbered 4 ⁇ 5) through the second transmission section 3012, and is transmitted from the first transmission section 3011 to the data line Data.
  • the data line Data can be transmitted to any sub-pixel 10 in the entire column, so that the data signal can be transmitted from the non-display area A2 to the display area A1.
  • the numbers 1, 2, 3, and 4 in Figure 2 all correspond to the second transmission section 3012, which are used to transmit the data signal vertically upward from the non-display area A2; the number 5 corresponds to the first transmission section 3011, and is used Laterally transmit the data signal of the second transmission section 3012 to the data line Data.
  • the traces numbered 1, 2, 3, and 4 are transmitted laterally through the trace numbered 5, and are transmitted to the data line Data through the through hole 40, thereby realizing the transmission of the data signal.
  • the display panel also includes scan lines Scan, which are distributed horizontally and used to transmit gate drive signals, wherein the gate drive signals are supplied from side frames.
  • the distance between two adjacent second transmission segments 3012 is smaller than the distance between two adjacent data lines Data. It can be understood that in this embodiment, by making the distance between two adjacent second transmission sections 3012 smaller, the second transmission sections 3012 can be arranged more densely and reduce the overall width occupied by the second transmission sections 3012 , which in turn can narrow the left and right arc areas of the lower frame of the display panel, that is, an extremely narrow frame design can be achieved without adding additional process film layers.
  • the number of the second transmission segments 3012 is greater than the number of the data lines Data. perpendicular to the first direction.
  • the second transmission segments 3012 can be arranged more densely and reduce the second transmission time.
  • the left and right arc areas of the lower frame of the display panel can be narrowed, that is, an extremely narrow frame design can be achieved without adding a process film layer.
  • the display panel further includes a first insulating layer 21 disposed between the first metal layer 20 and the second metal layer 30 .
  • the insulating layer 21 includes a plurality of through holes 40 through which one end of the first transmission section 3011 is electrically connected to the data line Data. That is, the data signal on the first transmission section 3011 is transmitted to the data line Data of the first metal layer 20 through the through hole 40 on the first insulation layer 21 .
  • a plurality of sub-pixels 10 are provided in the display area A1.
  • the plurality of sub-pixels 10 include a plurality of sub-pixel columns 100 arranged at intervals along the second direction. At least one of the sub-pixel columns 100 There is overlap with at least two second transmission sections 3012, and the second direction is perpendicular to the first direction.
  • the second transmission segments 3012 can be arranged more densely and reduce the overall occupation of the second transmission segment 3012.
  • the width can then narrow the arc area of the lower frame of the display panel (i.e., the lower left corner area in Figure 3), enabling an extremely narrow frame design.
  • the second metal layer 30 includes at least one second transmission line 302 in the display area A1, and the second transmission line 302 is electrically connected to the data line Data.
  • the second transmission line 302 extends along the first direction; wherein, a plurality of the first transmission lines 301 are located on both sides of the second transmission line 302 respectively.
  • the data signal can not only be transmitted to the data line Data through the first transmission line 301, but also can be transmitted to the data line Data through the second transmission line 302, wherein the second transmission line 302 is along the first direction. extension, that is, the data signal is directly transmitted vertically to the through hole 40 through the second transmission line 302, without the need for lateral transmission, which can reduce the wiring difficulty.
  • This embodiment uses the first transmission line 301 and the second transmission line 302 to transmit the data signal at the same time, which can improve Wiring flexibility.
  • the end of the first transmission section 3011 electrically connected to the data line Data is located at the end of the first transmission section 3011 electrically connected to the second transmission section 3012 away from the second transmission line. 302 side. It can be understood that in this embodiment, by setting the first transmission section 3011 to transmit the data signal in a direction away from the second transmission line 302, a short circuit between the first transmission section 3011 and the second transmission line 302 can be avoided, resulting in data signal transmission. bad.
  • the plurality of first transmission lines 301 are arranged symmetrically with respect to the second transmission line 302 . It can be understood that in this embodiment, by arranging the plurality of first transmission lines 301 symmetrically with respect to the second transmission line 302, the plurality of first transmission lines 301 on both sides of the second transmission line 302 can be evenly distributed and reduce the distortion in the first direction.
  • the wiring length of the second transmission section 3012 reduces the impedance of the first transmission line 301, thereby reducing the attenuation of the data signal.
  • the display panel includes a virtual central axis L0 along the first direction, and the second transmission line 302 coincides with the virtual central axis L0. It can be understood that in this embodiment, by arranging the second transmission line 302 at the position of the virtual central axis L0, the spaces on the left and right sides of the second transmission line 302 can be equal in size.
  • the first transmission line 301 can be placed close to the second transmission line 302. , thereby reserving space close to the left and right borders of the display panel to narrow the space of the left and right arc areas of the lower frame of the display panel to meet the design requirements for narrow borders.
  • the length of the second transmission section 3012 gradually decreases in a direction away from the second transmission line 302 . It should be noted that in the first direction, the length of the second transmission section 3012 gradually decreases in the direction away from the second transmission line 302 to avoid a short circuit between the first transmission lines 301, wherein the length of the first transmission section 3011 The length gradually increases in the direction away from the second transmission line 302 to balance the gradually decreasing difference of the second transmission section 3012, so that the impedances of the multiple first transmission lines 301 are evenly distributed and achieve better transmission effects.
  • the orthographic projection of at least one second transmission segment 3012 on the first metal layer 20 coincides with the data line Data. It can be understood that in this embodiment, by arranging the second transmission section 3012 directly above the data line Data, the impact of the transition of the data signal on the gate of the driving transistor (i.e., Q point) in the pixel circuit of the sub-pixel 10 can be shielded. In this way, a wiring method in which the second transmission line 302 is directly electrically connected to the data line Data through the through hole 40 can also be implemented.
  • the first metal layer 20 further includes a plurality of power lines VDD, the power lines VDD extend along the first direction, and at least one of the second transmission segments 3012 is on the first metal layer.
  • the orthographic projection on layer 20 coincides with the power line VDD.
  • the power line VDD in the prior art is arranged on the second metal layer 30.
  • the power line VDD and the data line Data are arranged on the same layer in order to free up the second metal layer 30 and facilitate the first transmission line 301. and/or second transmission line 302 wiring.
  • arranging the second transmission section 3012 directly above the power line VDD can also shield the transition of the data signal from the gate of the driving transistor in the pixel circuit of the sub-pixel 10 ( That is, the influence of point Q).
  • the sub-pixel 10 provided in the embodiment of the present application has a 7T1C pixel structure.
  • the pixel circuit connection method of 7T1C is not the focus of the present application, and therefore will not be described in detail.
  • the display panel also includes an active layer 50, a first gate layer 60 and a second gate layer 70.
  • FIGS. 5 to 10 are respectively film layers of the active layer provided in embodiments of the present application.
  • the display panel includes a first gate layer 60 and a second gate layer 70 ; the first gate layer 60 is located away from the first metal layer 20 and away from the second metal layer 30 on one side; the second gate layer 70 is located between the first gate layer 60 and the first metal layer 20; wherein, one end of the first transmission line 301 close to the non-display area A2 and The first gate layer 60 or the second gate layer 70 is electrically connected.
  • Figure 11 is a schematic diagram of the basic structure of another display panel provided in an embodiment of the present application.
  • the second transmission section 3012 of the first transmission line 301 only transmits the data signal from The bottom of the display area A1 is transmitted vertically upward, and the data signal is transmitted from the non-display area A2 to the bottom of the display area A1 through the fan-out trace 90 .
  • the fan-out traces 90 are alternately traced through the first gate layer 60 and the second gate layer 70 . It can be seen from Figure 11 that by adopting the wiring method of the embodiment of the present application, the space of the left and right arc areas A3 of the lower frame of the display panel can be narrowed, thereby achieving an extremely narrow frame design.
  • An embodiment of the present application also provides a display terminal, including a terminal body and the above-mentioned display panel.
  • the terminal body and the display panel are combined into one body.
  • the display terminal provided by the embodiment of the present application can be: a mobile phone, a tablet computer, a notebook computer, a television, a digital camera, a navigator and other products or components with display functions.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种显示面板及显示终端，显示面板包括第一金属层（20）和第二金属层（30），第一金属层（20）包括多条处于显示区（A1）且沿着第一方向延伸的数据线（Data），第二金属层（30）包括多条处于显示区（A1）的第一传输线（301），每条第一传输线（301）至少与一条数据线（Data）电连接；第一传输线（301）的至少部分沿着第一方向延伸。

Description

显示面板及显示终端 技术领域
本申请涉及显示技术领域，尤其涉及一种显示面板及显示终端。
 背景技术
显示面板技术发展至今，屏幕的屏占比成为产品差异化的重要标准。如今，显示面板越来越朝着全面屏的方向发展。在显示面板设计中，边框设计所占宽度变窄能够在很大程度上提高显示屏占比，所以窄边框化设计备受瞩目。传统显示面板一般采用第一栅极层、第二栅极层横向布线用来传输栅极驱动信号，采用第一源漏极层、第二源漏极层纵向布线用来传输数据信号和电源信号，在显示面板的下边框的左右圆弧区进行扇出走线(fanout)布线把显示区中的数据线连接到非显示区，该扇出走线一般采用第一栅极层、第二栅极层进行交替走线。其中，非显示区是所有驱动信号走线的通道，由于非显示区的数据信号走线的间距远小于显示区的数据线的间距，且非显示区还设置有其他信号走线，其他信号走线与数据信号走线排布设计会导致出现扇出走线布线高度，会占据很大的下边框空间，导致需要的下边框宽度较宽。
随着越来越窄的边框需求，布线空间越小，走线间距几乎接近产线生产极限，甚至即使采用极限间距进行设计依然无法满足窄边框设计需求。故，有必要改善这一缺陷。
 技术问题
本申请实施例提供一种显示面板，用于解决现有技术的显示面板的下边框较宽，无法满足窄边框设计需求的技术问题。
 技术解决方案
本申请实施例提供一种显示面板，包括显示区和位于所述显示区至少一侧的非显示区，所述显示面板包括衬底、第一金属层以及第二金属层；所述第一金属层设置在所述衬底的一侧，所述第一金属层包括多条处于所述显示区且沿着第一方向延伸的数据线；所述第二金属层设置在所述第一金属层远离所述衬底的一侧，所述第二金属层包括多条处于所述显示区的第一传输线，每条所述第一传输线至少与一条所述数据线电连接，所述第一传输线的至少部分沿着所述第一方向延伸；其中，沿着所述第一方向延伸的相邻两条所述第一传输线之间的间距小于相邻两条所述数据线之间的间距。
本申请实施例还提供一种显示终端，包括终端主体和显示面板，所述终端主体与所述显示面板组合为一体，所述显示面板包括显示区和位于所述显示区至少一侧的非显示区，所述显示面板包括衬底、第一金属层以及第二金属层；所述第一金属层设置在所述衬底的一侧，所述第一金属层包括多条处于所述显示区且沿着第一方向延伸的数据线；所述第二金属层设置在所述第一金属层远离所述衬底的一侧，所述第二金属层包括多条处于所述显示区的第一传输线，每条所述第一传输线至少与一条所述数据线电连接，所述第一传输线的至少部分沿着所述第一方向延伸；其中，沿着所述第一方向延伸的相邻两条所述第一传输线之间的间距小于相邻两条所述数据线之间的间距。
 有益效果
本申请实施例提供的一种显示面板，包括显示区和位于显示区至少一侧的非显示区，显示面板包括衬底、第一金属层以及第二金属层；第一金属层设置在衬底的一侧，第一金属层包括多条处于显示区且沿着第一方向延伸的数据线；第二金属层设置在第一金属层远离衬底的一侧，第二金属层包括多条处于显示区的第一传输线，每条第一传输线至少与一条数据线电连接，第一传输线的至少部分沿着第一方向延伸；其中，沿着第一方向延伸的相邻两条第一传输线之间的间距小于相邻两条数据线之间的间距；本申请通过采用第二金属层进行第一传输线布线，通过第一传输线将数据信号从非显示区传输至显示区的数据线，可实现将扇出走线置于显示区(Fanout in AA)的设计；而且沿着第一方向延伸的相邻两条第一传输线之间的间距小于相邻两条数据线之间的间距，可以使第一传输线设置得更加密集，减小沿着第一方向延伸的第一传输线整体所占的宽度，进而缩窄下边框的左右圆弧区，即在不增加工艺膜层的前提下，可实现极窄边框设计。
 附图说明
图1是本申请实施例提供的显示面板的基本结构示意图。
图2是本申请实施例提供的显示面板的膜层结构示意图。
图3是本申请实施例提供的第一传输线的走线示意图。
图4是本申请实施例提供的第一传输段与数据线电连接的示意图。
图5是本申请实施例提供的有源层的膜层结构示意图。
图6是本申请实施例提供的第一栅极层的膜层结构示意图。
图7是本申请实施例提供的第二栅极层的膜层结构示意图。
图8是本申请实施例提供的第一金属层的膜层结构示意图。
图9是本申请实施例提供的第二金属层的膜层结构示意图。
图10是本申请实施例提供的子像素的膜层结构示意图。
图11是本申请实施例提供的另一显示面板的基本结构示意图。
 本发明的实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。在附图中，为了清晰及便于理解和描述，附图中绘示的组件的尺寸和厚度并未按照比例。
如图1、图2、图3及图4所示，分别为本申请实施例提供的显示面板的基本结构示意图、显示面板的膜层结构示意图、第一传输线的走线示意图及第一传输段与数据线电连接的示意图，所述显示面板包括显示区A1和位于所述显示区A1至少一侧的非显示区A2，所述显示面板包括衬底11、第一金属层20以及第二金属层30；所述第一金属层20设置在所述衬底11的一侧，所述第一金属层20包括多条处于所述显示区A1且沿着第一方向延伸的数据线Data；所述第二金属层30设置在所述第一金属层20远离所述衬底11的一侧，所述第二金属层30包括多条处于所述显示区A1的第一传输线301，每条所述第一传输线301至少与一条所述数据线Data电连接，所述第一传输线301的至少部分沿着所述第一方向延伸；其中，沿着所述第一方向延伸的相邻两条所述第一传输线301之间的间距小于相邻两条所述数据线Data之间的间距。
可以理解的是，现有技术通常在非显示区A2内设置扇出走线，从而将数据信号从非显示区A2传输至显示区A1内的数据线Data，但扇出走线所占的空间较大，导致显示面板的边框无法进一步压缩，导致无法满足窄边框的设计需求。本申请实施例通过采用第二金属层30进行第一传输线301布线，通过第一传输线301将数据信号从非显示区A2传输至显示区A1内的数据线Data，可实现将扇出走线置于显示区A1的设计；而且沿着第一方向延伸的相邻两条第一传输线301之间的间距小于相邻两条数据线Data之间的间距，可以使第一传输线301设置得更加密集，减小第一传输线301整体所占的宽度，进而可以缩窄显示面板的下边框的左右圆弧区，即在不增加工艺膜层的前提下，可实现极窄边框设计。
在一种实施例中，在所述显示区A1中，沿着第二方向，在相同单位距离中，所述第一传输线301的数量大于所述数据线Data的数量，所述第二方向与所述第一方向垂直。
可以理解的是，本实施例通过使第二方向上单位距离中的第一传输线301的数量比数据线Data的数量多，可以使第一传输线301设置得更加密集，减小第一传输线301整体所占的宽度，进而可以缩窄显示面板的下边框的左右圆弧区，即在不增加工艺膜层的前提下，可实现极窄边框设计。
需要说明的是，第一金属层20是用于传输源漏极信号的膜层，第二金属层30位于第一金属层20和阳极层(图未示)之间。其中，薄膜晶体管(图未示)产生的驱动电信号从第一金属层20传输至第二金属层30，然后传输至阳极层。
需要说明的是，现有技术的扇出走线采用第一栅极层60或第二栅极层70走线，本申请实施例采用第二金属层30走线，相较于第一栅极层60或第二栅极层70，第二金属层30的电阻更小，信号衰减程度低。本申请实施例将第二金属层30有效利用，进行第一传输线301的布线，相比现有的双源漏极流程的产品，本申请不需要额外增加其它膜层，也不需要额外增加光罩制程，未造成工艺成本上升，制备工艺简单，可实现量产。
需要说明的是，图1中仅示出了第二金属层30，在一种实施例中，所述第一传输线301包括处于所述显示区A1的第一传输段3011和第二传输段3012，所述第二传输段3012沿着所述第一方向延伸，所述第一传输段3011的一端与所述数据线Data电连接，所述第一传输段3011的另一端与所述第二传输段3012电连接。
具体的，第一传输线301分为第一传输段3011和第二传输段3012，第二传输段3012沿第一方向(即垂直方向)延伸，第一传输段3011沿第二方向(即水平方向)延伸，第二传输段3012将数据信号从非显示区A2向上垂直传输，第一传输段3011与第二传输段3012相连，第一传输段3011将垂直传输上来的数据信号横向传输，其中，每一条第一传输线301上的数据信号对应传输至显示区A1内的至少一条数据线Data。
需要说明的是，图2中仅示出了一条第一传输线301的走线方式，从图2中可以看出第二传输段3012沿第一方向延伸，与第一传输段3011相连，第一传输段3011沿第二方向延伸与数据线Data电连接，即数据信号通过第二传输段3012传输至第一传输段3011(数字标号4→5)，从第一传输段3011传输至数据线Data上，通过数据线Data可传输至整列的任何子像素10，这样即可实现数据信号从非显示区A2传输至显示区A1。
需要说明的是，图2中的标号1、2、3、4均对应第二传输段3012，均用于将数据信号从非显示区A2垂直向上传输；标号5对应第一传输段3011，用于将第二传输段3012的数据信号横向传输至数据线Data。具体的，如图3所示，标号1、2、3、4的走线通过标号5的走线横向传输，并通过通孔40传输至数据线Data，从而实现数据信号的传输。
需要说明的是，所述显示面板还包括扫描线Scan，扫描线Scan水平分布，用于传输栅极驱动信号，其中，栅极驱动信号的给入方式为从侧边框给入。
在一种实施例中，相邻两条所述第二传输段3012之间的间距小于相邻两条所述数据线Data之间的间距。可以理解的是，本实施例通过使相邻两条第二传输段3012之间的间距更小，可以使第二传输段3012设置得更加密集，减小第二传输段3012整体所占的宽度，进而可以缩窄显示面板的下边框的左右圆弧区，即在不增加工艺膜层的前提下，可实现极窄边框设计。
在一种实施例中，在所述显示区A1中，沿着第二方向，在相同单位距离中，所述第二传输段3012的数量大于所述数据线Data的数量，所述第二方向与所述第一方向垂直。
可以理解的是，本实施例通过使第二方向上单位距离中的第二传输段3012的数量比数据线Data的数量多，可以使第二传输段3012设置得更加密集，减小第二传输段3012整体所占的宽度，进而可以缩窄显示面板的下边框的左右圆弧区，即在不增加工艺膜层的前提下，可实现极窄边框设计。
在一种实施例中，所述显示面板还包括第一绝缘层21，所述第一绝缘层21设置在所述第一金属层20和所述第二金属层30之间，所述第一绝缘层21包括多个通孔40，所述第一传输段3011的一端通过所述通孔40与所述数据线Data电连接。即第一传输段3011上的数据信号通过第一绝缘层21上的通孔40传输至第一金属层20的数据线Data。
在一种实施例中，所述显示区A1内设置有多个子像素10，多个所述子像素10包括沿第二方向间隔排布的多个子像素列100，至少一个所述子像素列100与至少两条所述第二传输段3012有重叠，所述第二方向与所述第一方向垂直。
具体的，从图3中可以看出，一个子像素列100与两条第二传输段3012重叠，因此，可以使第二传输段3012设置的更加密集，减小第二传输段3012整体所占的宽度，进而可以缩窄显示面板的下边框的圆弧区(即图3左下角区域)，可实现极窄边框设计。
继续参阅图1，在一种实施例中，所述第二金属层30包括至少一条处于所述显示区A1的第二传输线302，所述第二传输线302与所述数据线Data电连接，所述第二传输线302沿着所述第一方向延伸；其中，多条所述第一传输线301分别位于所述第二传输线302的两侧。
可以理解的是，在本实施例中，数据信号不仅可以通过第一传输线301传输至数据线Data，还可以通过第二传输线302传输至数据线Data，其中，第二传输线302沿着第一方向延伸，即数据信号直接通过第二传输线302垂直传输至通孔40处，不需要通过横向传输，可降低布线难度，本实施例同时采用第一传输线301和第二传输线302传输数据信号，可提升布线灵活度。
在一种实施例中，所述第一传输段3011与所述数据线Data电连接的一端位于所述第一传输段3011与所述第二传输段3012电连接的一端远离所述第二传输线302的一侧。可以理解的是，本实施例通过将第一传输段3011设置为朝远离第二传输线302的方向传输数据信号，可避免第一传输段3011与第二传输线302之间发生短路，导致数据信号传输不良。
在一种实施例中，多条所述第一传输线301关于所述第二传输线302对称设置。可以理解的是，本实施例通过将多条第一传输线301关于第二传输线302对称设置，可使得第二传输线302两侧的多条第一传输线301均匀分布，减小在第一方向上的第二传输段3012的布线长度，减小第一传输线301的阻抗，从而减小数据信号的衰减。
在一种实施例中，所述显示面板包括一条沿着所述第一方向的虚拟中轴线L0，所述第二传输线302与所述虚拟中轴线L0重合。可以理解的是，本实施例通过将第二传输线302设置在虚拟中轴线L0的位置，可使得第二传输线302左右两侧的空间大小相等，可以通过将第一传输线301靠近第二传输线302设置，从而预留出靠近显示面板的左右侧边框的空间，以缩窄显示面板的下边框的左右圆弧区的空间，实现窄边框的设计需求。
在一种实施例中，在所述第一方向上，所述第二传输段3012的长度沿远离所述第二传输线302的方向逐渐减小。需要说明的是，由于在第一方向上，第二传输段3012的长度沿远离第二传输线302的方向逐渐减小，以避免第一传输线301之间发生短路，其中，第一传输段3011的长度沿远离第二传输线302的方向逐渐增大，以平衡第二传输段3012逐渐减小的差异，使得多条第一传输线301的阻抗均匀分布，实现较好的传输效果。
在一种实施例中，至少一条所述第二传输段3012在所述第一金属层20上的正投影与所述数据线Data重合。可以理解的是，本实施例通过将第二传输段3012设置在数据线Data的正上方，可以屏蔽数据信号的跳变对子像素10的像素电路中驱动晶体管的栅极(即Q点)的影响，还可以实现第二传输线302直接通过通孔40与数据线Data电性连接的布线方式。
在一种实施例中，所述第一金属层20还包括多条电源线VDD，所述电源线VDD沿所述第一方向延伸，至少一条所述第二传输段3012在所述第一金属层20上的正投影与所述电源线VDD重合。
需要说明的是，现有技术的电源线VDD设置在第二金属层30，本实施例通过将电源线VDD与数据线Data同层设置是为了空出第二金属层30，方便第一传输线301和/或第二传输线302布线。另外，由于电源线VDD位于数据线Data的内侧，将第二传输段3012设置在电源线VDD的正上方，也可以屏蔽数据信号的跳变对子像素10的像素电路中驱动晶体管的栅极(即Q点)的影响。
继续参阅图2，需要说明的是，本申请实施例提供的子像素10为7T1C的像素结构，7T1C的像素电路连接方式不属于本申请的重点，因此，不进行详细说明。具体的，所述显示面板还包括有源层50、第一栅极层60及第二栅极层70，请参阅图5至图10，分别为本申请实施例提供的有源层的膜层结构示意图、第一栅极层的膜层结构示意图、第二栅极层的膜层结构示意图、第一金属层的膜层结构示意图、第二金属层的膜层结构示意图及子像素的膜层结构示意图，其中，所述显示面板还包括发光单元80。
在一种实施例中，所述显示面板包括第一栅极层60和第二栅极层70；所述第一栅极层60位于所述第一金属层20远离所述第二金属层30的一侧；所述第二栅极层70位于所述第一栅极层60和所述第一金属层20之间；其中，所述第一传输线301靠近所述非显示区A2的一端与所述第一栅极层60或所述第二栅极层70电连接。
具体的，请参阅图11，为本申请实施例提供的另一显示面板的基本结构示意图，需要说明的是，在本实施例中，第一传输线301的第二传输段3012只是将数据信号从显示区A1底部垂直向上传输，数据信号从非显示区A2到显示区A1底部是通过扇出走线90进行传输。扇出走线90是通过第一栅极层60和第二栅极层70交替走线。从图11中可以看出，采用本申请实施例的布线方式，可以缩窄显示面板的下边框的左右圆弧区A3的空间，实现极窄边框设计。
本申请实施例还提供一种显示终端，包括终端主体和上述的显示面板，所述终端主体与所述显示面板组合为一体，所述显示面板的结构请参阅图1至图11及相关说明，此处不再赘述。本申请实施例提供的显示终端可以为：手机、平板电脑、笔记本电脑、电视机、数码相机、导航仪等具有显示功能的产品或部件。
以上对本申请实施例所提供的一种显示面板及显示终端进行了详细介绍。应理解，本文所述的示例性实施方式应仅被认为是描述性的，用于帮助理解本申请的方法及其核心思想，而并不用于限制本申请。

Claims (20)

  1. 一种显示面板，其包括显示区和位于所述显示区至少一侧的非显示区，
    所述显示面板包括：
    衬底；
    第一金属层，设置在所述衬底的一侧，所述第一金属层包括多条处于所述显示区且沿着第一方向延伸的数据线；
    第二金属层，设置在所述第一金属层远离所述衬底的一侧，所述第二金属层包括多条处于所述显示区的第一传输线，每条所述第一传输线至少与一条所述数据线电连接，所述第一传输线的至少部分沿着所述第一方向延伸；
    其中，沿着所述第一方向延伸的相邻两条所述第一传输线之间的间距小于相邻两条所述数据线之间的间距。
  2. 如权利要求1所述的显示面板，其中，所述第一传输线包括处于所述显示区的第一传输段和第二传输段，所述第二传输段沿着所述第一方向延伸，所述第一传输段的一端与所述数据线电连接，所述第一传输段的另一端与所述第二传输段电连接。
  3. 如权利要求2所述的显示面板，其中，所述第二金属层包括至少一条处于所述显示区的第二传输线，所述第二传输线与所述数据线电连接，所述第二传输线沿着所述第一方向延伸；
    其中，多条所述第一传输线分别位于所述第二传输线的两侧。
  4. 如权利要求3所述的显示面板，其中，所述第一传输段与所述数据线电连接的一端位于所述第一传输段与所述第二传输段电连接的一端远离所述第二传输线的一侧。
  5. 如权利要求4所述的显示面板，其中，多条所述第一传输线关于所述第二传输线对称设置。
  6. 如权利要求3所述的显示面板，其中，所述显示面板包括一条沿着所述第一方向的虚拟中轴线，所述第二传输线与所述虚拟中轴线重合。
  7. 如权利要求3所述的显示面板，其中，在所述第一方向上，所述第二传输段的长度沿远离所述第二传输线的方向逐渐减小。
  8. 如权利要求2所述的显示面板，其中，相邻两条所述第二传输段之间的间距小于相邻两条所述数据线之间的间距。
  9. 如权利要求2所述的显示面板，其中，在所述显示区中，沿着第二方向，在相同单位距离中，所述第二传输段的数量大于所述数据线的数量，所述第二方向与所述第一方向垂直。
  10. 如权利要求2所述的显示面板，其中，所述显示面板还包括：
    第一绝缘层，设置在所述第一金属层和所述第二金属层之间，所述第一绝缘层包括多个通孔，所述第一传输段的一端通过所述通孔与所述数据线电连接。
  11. 如权利要求2所述的显示面板，其中，所述显示区内设置有多个子像素，多个所述子像素包括沿第二方向间隔排布的多个子像素列，至少一个所述子像素列与至少两条所述第二传输段有重叠，所述第二方向与所述第一方向垂直。
  12. 如权利要求2所述的显示面板，其中，至少一条所述第二传输段在所述第一金属层上的正投影与所述数据线重合。
  13. 如权利要求2所述的显示面板，其中，所述第一金属层还包括多条电源线，所述电源线沿所述第一方向延伸，至少一条所述第二传输段在所述第一金属层上的正投影与所述电源线重合。
  14. 如权利要求1所述的显示面板，其中，在所述显示区中，沿着第二方向，在相同单位距离中，所述第一传输线的数量大于所述数据线的数量，所述第二方向与所述第一方向垂直。
  15. 如权利要求1所述的显示面板，其中，所述显示面板包括：
    第一栅极层，位于所述第一金属层远离所述第二金属层的一侧；
    第二栅极层，位于所述第一栅极层和所述第一金属层之间；
    其中，所述第一传输线靠近所述非显示区的一端与所述第一栅极层或所述第二栅极层电连接。
  16. 一种显示终端，其包括终端主体和显示面板，所述终端主体与所述显示面板组合为一体，所述显示面板包括显示区和位于所述显示区至少一侧的非显示区，
    所述显示面板包括：
    衬底；
    第一金属层，设置在所述衬底的一侧，所述第一金属层包括多条处于所述显示区且沿着第一方向延伸的数据线；
    第二金属层，设置在所述第一金属层远离所述衬底的一侧，所述第二金属层包括多条处于所述显示区的第一传输线，每条所述第一传输线至少与一条所述数据线电连接，所述第一传输线的至少部分沿着所述第一方向延伸；
    其中，沿着所述第一方向延伸的相邻两条所述第一传输线之间的间距小于相邻两条所述数据线之间的间距。
  17. 如权利要求16所述的显示终端，其中，所述第一传输线包括处于所述显示区的第一传输段和第二传输段，所述第二传输段沿着所述第一方向延伸，所述第一传输段的一端与所述数据线电连接，所述第一传输段的另一端与所述第二传输段电连接。
  18. 如权利要求17所述的显示终端，其中，所述第二金属层包括至少一条处于所述显示区的第二传输线，所述第二传输线与所述数据线电连接，所述第二传输线沿着所述第一方向延伸；
    其中，多条所述第一传输线分别位于所述第二传输线的两侧。
  19. 如权利要求18所述的显示终端，其中，所述显示面板包括一条沿着所述第一方向的虚拟中轴线，所述第二传输线与所述虚拟中轴线重合。
  20. 如权利要求18所述的显示终端，其中，在所述第一方向上，所述第二传输段的长度沿远离所述第二传输线的方向逐渐减小。
PCT/CN2022/101445 2022-05-30 2022-06-27 显示面板及显示终端 WO2023231104A1 (zh)

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