WO2021007945A1 - 显示面板、显示装置及显示面板的制造方法 - Google Patents

显示面板、显示装置及显示面板的制造方法 Download PDF

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Publication number
WO2021007945A1
WO2021007945A1 PCT/CN2019/105873 CN2019105873W WO2021007945A1 WO 2021007945 A1 WO2021007945 A1 WO 2021007945A1 CN 2019105873 W CN2019105873 W CN 2019105873W WO 2021007945 A1 WO2021007945 A1 WO 2021007945A1
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display panel
light
area
sensor
electrically connected
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PCT/CN2019/105873
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English (en)
French (fr)
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余文静
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武汉华星光电半导体显示技术有限公司
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Publication of WO2021007945A1 publication Critical patent/WO2021007945A1/zh

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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/1201—Manufacture or treatment
    • 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

Definitions

  • the present invention relates to the field of display, in particular to a display panel, a display device and a manufacturing method of the display panel.
  • AMOLED Active Matrix/Organic Light Emitting Diode
  • the display panel 200 has a display area 101 and a frame area 102 located outside the display area 101; the display panel 200 includes a plurality of sub-pixels 11 arranged in an array. , Multiple scan lines 13 respectively connected to multiple rows of sub-pixels 11, and first GOA (Gate Driver on Array, the array substrate row drive) circuit 14 and the second GOA circuit 15; one end of each scan line 13 is electrically connected to the first GOA circuit 14, and the other end is electrically connected to the second GOA circuit 15; multiple sub-pixels 11 are provided In the display area 101, the first GOA circuit 14 and the second GOA circuit 15 are both arranged in the frame area 102.
  • GOA Gate Driver on Array, the array substrate row drive
  • the display panel 200 further includes a plurality of data lines 12 respectively connected to a plurality of columns of sub-pixels 11.
  • Each sub-pixel 11 includes a switching thin film transistor T1 and a pixel electrode 111.
  • the gate of the switching thin film transistor T1 is electrically connected to the scan line 13 connected to the sub-pixel 11, the source is electrically connected to the data line 12 connected to the sub-pixel 11, and the drain is electrically connected to the pixel electrode 111. If the above-mentioned display panel 200 is used, the light transmittance of the area facing the sensor such as the camera will be lower.
  • the object of the present invention is to provide a display panel, a display device, and a manufacturing method of the display panel, which can achieve the effect of improving the light transmittance by changing the circuit structure of the light-transmitting area facing sensors such as a camera.
  • the present invention provides a display panel including: at least one light-transmitting area and a display area surrounding the light-transmitting area; the display area includes a plurality of scan lines extending along a first direction and A plurality of data lines extending in the direction and a plurality of pixels defined by two adjacent scan lines and two adjacent data lines.
  • the thin film transistor corresponding to each pixel includes a gate layer, a source electrode and a drain electrode.
  • the electrode is electrically connected to one of the scan lines, and the source electrode is electrically connected to one of the data lines; the second direction is different from the first direction; the light-transmitting area includes along the second direction A plurality of extended data lines and corresponding thin film transistors between two adjacent data lines, the thin film transistors including the source electrode and the drain electrode, and the source electrode is electrically connected to one of the data lines.
  • the display panel further includes a first GOA circuit and a second GOA circuit respectively arranged on both sides of the display area; one end of each scan line is electrically connected to the first GOA circuit, and the other end is electrically connected to the first GOA circuit. Is connected to the second GOA circuit.
  • the display panel further includes a control module electrically connected to the display panel; one of the two start signal output terminals of the control module is electrically connected to the first GOA circuit, and the other Electrically connected to the second GOA circuit.
  • the light-transmitting area is any one of a circle, an ellipse, a triangle, a rectangle, or a polygon.
  • first direction is perpendicular to the second direction.
  • the display panel further includes a sensor, which is arranged opposite to the light-transmitting area.
  • the senor includes one or a combination of a camera sensor, a flashlight, a light sensor, a breathing light sensor, a distance sensor, a fingerprint scanner sensor, a microphone sensor, or a transparent antenna sensor.
  • the area of the sensor is less than or equal to the area of the light-transmitting area.
  • a display device including the above-mentioned display panel.
  • a method for manufacturing a display panel including the steps:
  • a gate layer is formed, and the gate layer is divided into a display area and a light-transmitting area.
  • the gate layer located in the display area includes a plurality of scan lines distributed along a first direction and connected to each other;
  • the gate layer of the light area is not provided with scan lines;
  • a source-drain layer is formed on the gate layer.
  • the source-drain layer includes a plurality of sources and a plurality of drains spaced apart along a second direction, the plurality of sources are connected to each other, and the source is electrically Connected to a data line, a plurality of drains are connected to each other, wherein the second direction is different from the first direction.
  • the beneficial effect of the present invention is to provide a display panel, a display device, and a manufacturing method of the display panel, which can improve the light transmittance by changing the circuit structure of the light-transmitting area in the opposite area of the sensor.
  • FIG. 1 is a schematic diagram of the structure of an existing display panel
  • FIG. 2 is a schematic diagram of the structure of a display panel in an embodiment of the invention.
  • Figure 3 is a partial cross-sectional view of A-A in Figure 2;
  • FIG. 4 is a flow chart of manufacturing a display panel in an embodiment of the invention.
  • the second GOA circuit 6.
  • the control module 7.
  • the sensor 8.
  • Display area 20, light transmitting area, 21, flexible substrate, 22, active layer,
  • the display panel 100 of the present invention includes: at least one light-transmitting area 20 and a display area 10 arranged around the light-transmitting area 20.
  • the display area 10 includes a plurality of scan lines 1 extending in a first direction, a plurality of data lines 2 extending in a second direction, and a plurality of pixels 3 defined by two adjacent scan lines 1 and two adjacent data lines 2.
  • the thin film transistor corresponding to each pixel 3 includes a gate layer 31, a source 32, and a drain 33.
  • the gate is electrically connected to one of the scan lines 1, and the source 32 is electrically connected To one of the data lines 2; in other words, the display area 10 includes a gate layer 31 and a source-drain layer 30 from bottom to top, wherein the source-drain layer 30 includes the source 32 and the Drain 33.
  • the second direction is different from the first direction, so that the scan line 1 and the data line 2 are crisscrossed in space.
  • the display area 10 of the display panel 100 includes a flexible substrate 21, an active layer 22, a gate insulating layer 23, the gate layer 31, and the layer The inter-insulating layer 24, the source and drain layer 30, and the flat layer 25.
  • the light-transmitting area 20 of the display panel 100 includes a flexible substrate 21, an active layer 22, a gate insulating layer 23, an interlayer insulating layer 24, the source/drain layer 30, and a flat layer 25 stacked in sequence.
  • the light-transmitting area 20 includes a plurality of data lines 2 extending along the second direction and corresponding thin-film-like transistors between two adjacent data lines 2, and the thin-film-like transistors include the source 32 and the The drain 33.
  • the source 32 is electrically connected to one of the data lines 2.
  • the light-transmitting area 20 does not include the gate layer 31 relative to the display area 10.
  • the absence of the gate layer 31 in the light-transmitting area 20 can increase the light transmittance, and the inclusion of the data line 2 ensures that the display areas 10 adjacent to the light-transmitting area 20 up and down are normally displayed.
  • the display panel 100 further includes a first GOA circuit 4 and a second GOA circuit 5 respectively arranged on both sides of the display area 10; one end of each scan line 1 is electrically connected to the first The other end of the GOA circuit 4 is electrically connected to the second GOA circuit 5.
  • the light-transmitting area 20 does not include the gate layer 31. Due to the two-sided driving mode of the first GOA circuit 4 and the second GOA circuit 5, a single side is formed in the light-transmitting area 20.
  • the driving method does not affect the normal power-on scanning of the gate layer 31, and the normal display function is ensured in the display area 10 adjacent to the light-transmitting area 20 on the left and right.
  • the first GOA circuit 4 and the second GOA circuit 5 are arranged around the display area 10.
  • the display panel 100 further includes a control module 6 electrically connected to the display panel 100; one of the two start signal output terminals of the control module 6 is electrically connected to the first The GOA circuit 4, and the other is electrically connected to the second GOA circuit 5.
  • the light-transmitting area 20 is any one of a circle, an ellipse, a triangle, a rectangle, or a polygon.
  • the first direction is perpendicular to the second direction.
  • the display panel 100 further includes a sensor 7 disposed opposite to the light-transmitting area 20.
  • the senor 7 includes one or a combination of a camera sensor, a flashlight, a light sensor, a breathing light sensor, a distance sensor, a fingerprint scanner sensor, a microphone sensor, or a transparent antenna sensor.
  • the area of the sensor 7 is less than or equal to the area of the light-transmitting area 20.
  • the present invention also provides a display device including the above-mentioned display panel 100.
  • the present invention also provides a manufacturing method of the display panel 100, including the steps:
  • Step S1 forming a gate layer 31.
  • the gate layer 31 is divided into a display area 10 and a light-transmitting area 20, and the gate layer 31 located in the display area 10 includes a first direction. And a plurality of scan lines 1 connected to each other; the gate layer 31 located in the light-transmitting area 20 is not provided with the scan line 1, that is, the area of the gate layer 31 without the scan line 1 constitutes the light-transmitting area 20;
  • a source-drain layer 30 is formed on the gate layer 31.
  • the source-drain layer 30 includes a plurality of source electrodes 32 and a plurality of drain electrodes 33 spaced apart along the second direction.
  • a source 32 is connected to each other, the source 32 is electrically connected to a data line 2, and a plurality of drains 33 are connected to each other, wherein the second direction is different from the first direction.
  • the advantage of the present invention is to provide a display panel 100, a display device and a manufacturing method thereof, by changing the circuit structure of the light-transmitting area 20 in the opposite area of the sensor 7 to achieve the effect of improving the light transmittance.

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  • Microelectronics & Electronic Packaging (AREA)
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Abstract

一种显示面板(100)、显示装置及显示面板(100)的制造方法。显示面板(100)包括至少一透光区(20)、围绕透光区(20)设置的显示区(10)，以及围绕显示区(10)设置的边框区；显示区(10)包括沿第一方向延伸的多条扫描线(1)、沿第二方向延伸的多条数据线(2)；第二方向与第一方向不同；透光区(20)包括沿第二方向延伸的多条数据线(2)。显示装置包括显示面板(100)。显示面板(100)的制造方法包括步骤：形成栅极层(31)和在栅极层(31)上形成源漏极层(30)。

Description

显示面板、显示装置及显示面板的制造方法 技术领域
本发明涉及显示领域，尤其涉及一种显示面板、显示装置及显示面板的制造方法。
 背景技术
主动矩阵有机发光二极体面板（Active Matrix/Organic Light Emitting Diode，AMOLED）全面屏越来越受到消费者的推崇，但全面屏和前置摄像头存在相矛盾的地方。为了满足消费者的需求，机械式升降摄像头以及滑盖式摄像头应运而生，两者的本质均是把摄像头隐藏在手机内部，但其不仅增加了机身厚度，而且升降开合处容易落灰，最主要是增加了制造成本。为了避开这些缺陷，屏下摄像头技术（将摄像头隐藏到屏幕下方）成为研究热点。
如图1所示，为现有的一种显示面板200，所述显示面板200具有显示区101及位于显示区101外侧的边框区102；所述显示面板200包括阵列排布的多个子像素11、分别与多行子像素11连接的多条扫描线13以及分别设于子像素11阵列两侧的第一GOA(Gate Driver on Array，阵列基板行驱动)电路14及第二GOA电路15；每一扫描线13的一端电性连接第一GOA电路14，另一端电性连接第二GOA电路15；多个子像素11均设置在显示区101内，所述第一GOA电路14与第二GOA电路15均设置在边框区102内。所述显示面板200还包括分别与多列子像素11连接的多条数据线12。每一子像素11均包括一开关薄膜晶体管T1及一像素电极111。所述开关薄膜晶体管T1的栅极电性连接该子像素11连接的扫描线13，源级电性连接该子像素11连接的数据线12，漏极电性连接像素电极111。若采用上述显示面板200设置，其与摄像头等传感器相对区域的透光率会较低。
屏下摄像头技术中，最影响成像的因素是屏幕的透光率，因此，提高摄像头等传感器相对区域屏幕的透光率成为亟需解决的问题。
 技术问题
本发明的目的在于，提供一种显示面板、显示装置及显示面板的制造方法，通过改变与摄像头等传感器相对的透光区的电路结构，实现提高透光率的效果。
 技术解决方案
为了解决上述问题，本发明提供一种显示面板，包括：至少一透光区和围绕所述透光区的显示区；所述显示区包括沿第一方向延伸的多条扫描线、沿第二方向延伸的多条数据线以及由相邻两扫描线与相邻两数据线定义的多个像素，每一像素对应的薄膜晶体管包括一栅极层、一源极和一漏极，所述栅极电性相接至其中一扫描线，所述源极电性相接至其中一数据线；所述第二方向与所述第一方向不同；所述透光区包括沿所述第二方向延伸的多条数据线以及相邻两数据线之间对应的类薄膜晶体管，所述类薄膜晶体管包括所述源极和所述漏极，所述源极电性相接至其中一数据线。
进一步的，其中所述显示面板还包括分别设于所述显示区两侧的第一GOA电路及第二GOA电路；每一扫描线的一端电性连接至所述第一GOA电路，另一端电性连接至所述第二GOA电路。
进一步的，其中所述显示面板还包括一控制模块，与所述显示面板电性连接；所述控制模块的两个起始信号输出端中的一个电性连接所述第一GOA电路，另一个电性连接所述第二GOA电路。
进一步的，其中所述透光区呈圆形、椭圆形、三角形、矩形或多边形中的任一种。
进一步的，其中所述第一方向与所述第二方向垂直。
进一步的，其中所述显示面板，还包括一传感器，与所述透光区相对设置。
进一步的，其中所述传感器包括摄像头传感器、闪光灯、光线传感器、呼吸灯传感器、距离传感器、指纹扫描仪传感器、麦克风传感器或透明天线传感器中的一种或其组合。
进一步的，其中所述传感器的面积小于等于所述透光区的面积。
本发明又一实施例中提供一种显示装置，包括以上所述的显示面板。
本发明再一实施例中提供一种显示面板的制造方法，包括步骤：
形成栅极层，将所述栅极层划分为显示区和透光区，位于所述显示区的所述栅极层包括沿第一方向分布且互相连接的多条扫描线；位于所述透光区的所述栅极层未设置扫描线；
在所述栅极层上形成源漏极层，所述源漏极层包括沿第二方向间隔分布的多个源极和多个漏极，多个源极互相连接，所述源极电性相接至一数据线，多个漏极互相连接，其中所述第二方向与所述第一方向不同。
 有益效果
本发明的有益效果在于：提供一种显示面板、显示装置及显示面板的制造方法，通过改变在传感器相对区域的透光区的电路结构，实现提高透光率的效果。
 附图说明
图1为现有的显示面板的结构示意图；
图2为本发明一实施例中显示面板的结构示意图；
图3为图2的A-A局部剖视图；
图4为本发明一实施例中显示面板的制作流程图。
图中部件标识如下：
100、显示面板；
1、扫描线，2、数据线，3、像素，4、第一GOA电路，
5、第二GOA电路，6、控制模块，7、传感器；
10、显示区，20、透光区，21、柔性基板，22、有源层，
23、栅极绝缘层，24、层间绝缘层，25、平坦层，30、源漏极层，
31、栅极层，32、源极，33、漏极。
 本发明的实施方式
在本发明中，相同或相对应的部件用相同的附图标记表示而与图号无关，在说明书全文中，当“第一”、“第二”等措辞可用于描述各种部件时，这些部件不必限于以上措辞。以上措辞仅用于将一个部件与另一部件区分开。
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。
请参阅图2至图4所示，本发明的显示面板100包括：至少一透光区20和围绕所述透光区20设置的显示区10。
所述显示区10包括沿第一方向延伸的多条扫描线1、沿第二方向延伸的多条数据线2以及由相邻两扫描线1与相邻两数据线2定义的多个像素3，每一像素3对应的薄膜晶体管包括一栅极层31、一源极32和一漏极33，所述栅极电性相接至其中一扫描线1，所述源极32电性相接至其中一数据线2；换句话讲，所述显示区10从下至上依次包括栅极层31和源漏极层30，其中所述源漏极层30包括所述源极32和所述漏极33。所述第二方向与所述第一方向不同，使得扫描线1与数据线2在空间内纵横交错。
具体地讲，请参阅图3所示，所述显示面板100的所述显示区10包括依次层叠设置的柔性基板21、有源层22、栅极绝缘层23、所述栅极层31、层间绝缘层24、所述源漏极层30、平坦层25。所述显示面板100的所述透光区20包括依次层叠设置的柔性基板21、有源层22、栅极绝缘层23、层间绝缘层24、所述源漏极层30、平坦层25。
所述透光区20包括沿所述第二方向延伸的多条数据线2以及相邻两数据线2之间对应的类薄膜晶体管，所述的类薄膜晶体管包括所述源极32和所述漏极33，所述源极32电性相接至其中一数据线2。换句话讲，所述透光区20相对于所述显示区10不包括所述栅极层31。所述透光区20不包括所述栅极层31可使透光率提高，并且包括数据线2保证了与所述透光区20上下相邻的显示区10正常显示。
本实施例中，所述显示面板100还包括分别设于所述显示区10两侧的第一GOA电路4及第二GOA电路5；每一扫描线1的一端电性连接至所述第一GOA电路4，另一端电性连接至所述第二GOA电路5。所述透光区20不包括所述栅极层31，由于设置了所述第一GOA电路4及所述第二GOA电路5的双边驱动方式，在所述透光区20相对应形成单边驱动方式，从而不影响所述栅极层31正常通电扫描，在与所述透光区20左右相邻的显示区10保证了正常显示功能。本实施例中，所述第一GOA电路4及所述第二GOA电路5围绕所述显示区10设置。
本实施例中，所述显示面板100还包括一控制模块6，与所述显示面板100电性连接；所述控制模块6的两个起始信号输出端中的一个电性连接所述第一GOA电路4，另一个电性连接所述第二GOA电路5。
本实施例中，所述透光区20呈圆形、椭圆形、三角形、矩形或多边形中的任一种。
本实施例中，所述第一方向与所述第二方向垂直。
请参阅图3所示，本实施例中，所述显示面板100还包括一传感器7，与所述透光区20相对设置。
本实施例中，所述传感器7包括摄像头传感器、闪光灯、光线传感器、呼吸灯传感器、距离传感器、指纹扫描仪传感器、麦克风传感器或透明天线传感器中的一种或其组合。
本实施例中，所述传感器7的面积小于等于所述透光区20的面积。
本发明还提供一种显示装置，包括以上所述的显示面板100。
请参阅图5所示，本发明还提供一种显示面板100的制造方法，包括步骤：
步骤S1、形成栅极层31，具体地讲，将所述栅极层31划分为显示区10和透光区20，位于所述显示区10的所述栅极层31包括沿第一方向分布且互相连接的多条扫描线1；位于所述透光区20的所述栅极层31未设置扫描线1，亦即所述栅极层31无扫描线1的区域构成所述透光区20；
步骤S2、在所述栅极层31上形成源漏极层30，具体地讲，所述源漏极层30包括沿第二方向间隔分布的多个源极32和多个漏极33，多个源极32互相连接，所述源极32电性相接至一数据线2，多个漏极33互相连接，其中所述第二方向与所述第一方向不同。
本发明的优点在于，提供一种显示面板100、显示装置及其制造方法，通过改变在传感器7相对区域的透光区20的电路结构，实现提高透光率的效果。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (10)

  1. 一种显示面板，其包括：
    至少一透光区；以及
    一显示区，围绕所述透光区；
    所述显示区包括沿第一方向延伸的多条扫描线、沿第二方向延伸的多条数据线以及由相邻两扫描线与相邻两数据线定义的多个像素，每一像素对应的薄膜晶体管包括一栅极层、一源极和一漏极，所述栅极电性相接至其中一扫描线，所述源极电性相接至其中一数据线；所述第二方向与所述第一方向不同；
    所述透光区包括沿所述第二方向延伸的多条数据线以及相邻两数据线之间对应的类薄膜晶体管，所述类薄膜晶体管包括所述源极和所述漏极，所述源极电性相接至其中一数据线。
  2. 根据权利要求1所述的显示面板，其中，还包括分别设于所述显示区两侧的第一GOA电路及第二GOA电路；每一扫描线的一端电性连接至所述第一GOA电路，另一端电性连接至所述第二GOA电路。
  3. 如权利要求2所述的显示面板，其中，还包括：
    控制模块，与所述显示面板电性连接；所述控制模块的两个起始信号输出端中的一个电性连接所述第一GOA电路，另一个电性连接所述第二GOA电路
  4. 根据权利要求1所述的显示面板，其中，所述透光区呈圆形、椭圆形、三角形、矩形或多边形中的任一种。
  5. 根据权利要求1所述的显示面板，其中，所述第一方向与所述第二方向垂直。
  6. 根据权利要求1所述的显示面板，其中，还包括
    传感器，与所述透光区相对设置。
  7. 根据权利要求6所述的显示面板，其中，所述传感器包括摄像头传感器、闪光灯、光线传感器、呼吸灯传感器、距离传感器、指纹扫描仪传感器、麦克风传感器或透明天线传感器中的一种或其组合。
  8. 根据权利要求6所述的显示面板，其中，所述传感器的面积小于等于所述透光区的面积。
  9. 一种显示装置，其包括如权利要求1所述的显示面板。
  10. 一种如权利要求1所述的显示面板的制造方法，其包括步骤：
    形成栅极层，将所述栅极层划分为显示区和透光区，位于所述显示区的所述栅极层包括沿第一方向分布且互相连接的多条扫描线；位于所述透光区的所述栅极层未设置扫描线；
    在所述栅极层上形成源漏极层，所述源漏极层包括沿第二方向间隔分布的多个源极和多个漏极，多个源极互相连接，所述源极电性相接至一数据线，多个漏极互相连接，其中所述第二方向与所述第一方向不同。
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