WO2020124862A1 - 触摸显示面板 - Google Patents

触摸显示面板 Download PDF

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Publication number
WO2020124862A1
WO2020124862A1 PCT/CN2019/080931 CN2019080931W WO2020124862A1 WO 2020124862 A1 WO2020124862 A1 WO 2020124862A1 CN 2019080931 W CN2019080931 W CN 2019080931W WO 2020124862 A1 WO2020124862 A1 WO 2020124862A1
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WO
WIPO (PCT)
Prior art keywords
layer
display panel
insulating layer
electrode lead
sensing electrode
Prior art date
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Ceased
Application number
PCT/CN2019/080931
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English (en)
French (fr)
Inventor
李双
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Application filed by Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority to US17/274,831 priority Critical patent/US11460941B2/en
Publication of WO2020124862A1 publication Critical patent/WO2020124862A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/84—Passivation; Containers; Encapsulations
    • H10K50/844—Encapsulations
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
    • H10K59/1213—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being TFTs
    • 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
    • H10K59/122—Pixel-defining structures or layers, e.g. banks
    • 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
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/87—Passivation; Containers; Encapsulations
    • H10K59/873—Encapsulations
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0421—Structural details of the set of electrodes
    • G09G2300/0426—Layout of electrodes and connections
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/0809—Several active elements per pixel in active matrix panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264—Details of driving circuits
    • G09G2310/0283—Arrangement of drivers for different directions of scanning
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2354/00—Aspects of interface with display user
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]

Definitions

  • the invention relates to the field of display technology, in particular to a touch display panel.
  • touch panels have gradually spread throughout people's lives. Compared with a traditional display that can only provide a display function, a display using a touch screen can enable a user to interact with a display control host. Therefore, the touch screen can completely or at least partially replace a common input device, making the existing display Not only can display, but also touch control.
  • active matrix organic light-emitting diodes are often used in touch screens diode (AMOLED for short) panel, and for AMOLED panel, ultra-thin and ultra-narrow technology is one of the development trends.
  • the ultra-narrow bezel design can effectively increase the screen ratio of the panel. If the screen ratio is higher, the screen that can be used is larger in the same volume, or the screen size remains the same when the volume is reduced. Therefore, the AMOLED panel is more convenient to carry, the weight is relatively light, and the sensory experience is better.
  • FIG. 1 it is a schematic diagram of the structure of the currently used AMOLED panel touch screen, in which the driving electrode lead 13 and the sensing electrode lead 12 are respectively connected to the integrated circuit 15 (Integrated Circuit (referred to as IC) on both sides, the data line 14 in the operable area 11 (Active Area, referred to as AA area) will lead to the middle position of the IC15. Because there are more single-sided leads on the sensing electrode 12, wiring from the touch screen side to the sensing electrode 12 of the IC 15 will increase the width of the lower border of the touch screen, thereby affecting the width of the overall lower border of the AMOLED panel.
  • IC Integrated Circuit
  • AA area Active Area
  • the width of the frame is larger, and it is difficult to increase the screen ratio of the display panel.
  • the driving electrode lead and the sensing electrode lead are connected to the integrated circuit (Integrated Circuit, referred to as IC) on both sides, in the operable area (Active Area (referred to as AA area) data line will lead to the middle position of the IC. Because there are more single-sided leads on the sensing electrode, the wiring from the touch screen side to the sensing electrode of the IC will increase the width of the lower border of the touch screen, which affects the width of the entire lower border of the AMOLED panel, and it is difficult to increase the screen ratio of the display panel.
  • IC integrated Circuit
  • AA area Active Area
  • a touch display panel including:
  • the base substrate, the thin film transistor device structure, the organic light emitting diode device structure, the packaging structure and the touch screen structure provided in this order from bottom to top;
  • the first sensing electrode lead is provided in the touch screen structure, and the second sensing electrode lead is provided in the thin film transistor device structure, and the first sensing electrode lead is electrically connected to the second sensing electrode lead.
  • the touch display panel provided by the embodiment of the present invention, the touch
  • the display panel is divided into an operable area and a lower frame area provided beside the operable area.
  • the thin film transistor device structure is disposed on the base substrate, and the thin film transistor device includes:
  • the first buffer layer is provided on the base substrate
  • a second buffer layer provided on the first buffer layer
  • An active layer provided on the second buffer layer
  • a first gate layer provided on the first gate insulating layer
  • a second gate layer provided on the second gate insulating layer
  • a source-drain layer disposed on the insulating and insulating layer and penetrating through the insulating and insulating layer, the second gate insulating layer, and the first gate insulating layer and the active layer;
  • the second sensing electrode lead is further provided on the flat layer; and the second gate insulating layer is further provided Data cable.
  • the organic light emitting diode device structure is disposed on the thin film transistor device
  • the organic light emitting diode device includes:
  • An anode layer disposed on the flat layer and connected to the source-drain layer through the flat layer;
  • An organic light emitting diode disposed on the anode layer;
  • a pixel definition layer covers the organic light emitting diode.
  • the anode layer penetrates the flat layer and is connected to the second sensing electrode lead.
  • the packaging structure is provided on the organic light emitting diode device structure:
  • a photoresist layer disposed on the pixel definition layer
  • a cathode layer covering the photoresist layer A cathode layer covering the photoresist layer
  • a thin-film encapsulation layer covers the cathode layer and the photoresist layer.
  • the touch screen structure is provided on the packaging structure, and the touch screen structure includes:
  • a passivation layer covers the second insulating layer.
  • the second insulating layer is further provided with the first sensing electrode, and the first sensing electrode penetrates the first insulating layer , The pixel defining layer and the flat layer.
  • the touch display panel provided according to an embodiment of the present invention further includes a driving electrode lead and a sensing electrode lead provided in the operable area, the driving electrode lead and the sensing electrode lead are staggered in a metal mesh , wherein the driving electrode is a bidirectional driving structure up and down, and the sensing electrode is a unidirectional driving structure.
  • the invention also provides another touch display panel, including:
  • the base substrate, the thin film transistor device structure, the organic light emitting diode device structure, the packaging structure and the touch screen structure provided in this order from bottom to top;
  • a first sensing electrode lead is provided in the touch screen structure, and a second sensing electrode lead is provided in the thin film transistor device structure, the first sensing electrode lead is electrically connected to the second sensing electrode lead;
  • the touch display panel is divided into an operable area and a lower bezel area provided beside the operable area;
  • the touch display panel further includes a driving electrode lead and a sensing electrode lead provided in the operable area, and the driving electrode lead and the sensing electrode lead are staggered in a metal mesh.
  • the thin film transistor device structure is disposed on the base substrate, and the thin film transistor device includes:
  • the first buffer layer is provided on the base substrate
  • a second buffer layer provided on the first buffer layer
  • An active layer provided on the second buffer layer
  • a first gate layer provided on the first gate insulating layer
  • a second gate layer provided on the second gate insulating layer
  • a source-drain layer disposed on the insulating and insulating layer and penetrating through the insulating and insulating layer, the second gate insulating layer, and the first gate insulating layer and the active layer;
  • the second sensing electrode lead is further provided on the flat layer; and the second gate insulating layer is further provided Data cable.
  • the organic light emitting diode device structure is disposed on the thin film transistor device, and the organic light emitting diode device includes:
  • An anode layer disposed on the flat layer and connected to the source-drain layer through the flat layer;
  • An organic light emitting diode disposed on the anode layer;
  • a pixel definition layer covers the organic light emitting diode.
  • the anode layer penetrates the flat layer and is connected to the second sensing electrode lead.
  • the packaging structure is provided on the organic light emitting diode device structure:
  • a photoresist layer disposed on the pixel definition layer
  • a cathode layer covering the photoresist layer A cathode layer covering the photoresist layer
  • a thin-film encapsulation layer covers the cathode layer and the photoresist layer.
  • the touch screen structure is provided on the packaging structure, and the touch screen structure includes:
  • a passivation layer covers the second insulating layer.
  • the second insulating layer is further provided with the first sensing electrode, and the first sensing electrode penetrates the first insulating layer , The pixel defining layer and the flat layer.
  • the driving electrode is an up-down bidirectional driving structure
  • the sensing electrode is a unidirectional driving structure
  • the present invention provides a touch display panel, which can reduce the problem of a large number of single-layer sensing electrode traces by double-layer wiring, thereby reducing the lower border and thereby improving Screen ratio.
  • FIG. 1 is a schematic structural diagram of an AMOLED panel touch screen in the prior art.
  • FIG. 2 is a schematic cross-sectional view of an AMOLED panel provided by an embodiment of the present invention.
  • the touchable display panel provided by the embodiment of the present invention is provided with a base substrate 21, a thin film transistor device structure 22, an organic light emitting diode device structure 23, a packaging structure 24, and a touch screen structure 25 in this order from bottom to top.
  • FIG. 2 is a schematic cross-sectional view of an AMOLED panel according to an embodiment of the present invention.
  • the bottom is a base substrate 21, on which thin film transistors (Thin Film) are prepared Transistor, referred to as TFT) device 22.
  • the thin film transistor device 22 includes a first buffer layer 2201, a second buffer layer 2202, an active layer 2203, a first gate insulating layer 2204, a first gate layer 2205, a second gate insulating layer 2206, a second The gate layer 2207, the insulating isolation layer 2208, the source-drain layer 2209, and the flat layer 2210.
  • the first buffer layer 2201 is prepared on the base substrate 21, and the second buffer layer 2202 is prepared on the first buffer layer 2201.
  • the touchable display panel of the embodiment of the present invention is divided into an operable area 01 (Active Area, AA for short) and a lower bezel area 02 disposed beside the operable area 01.
  • the active layer 2203 is prepared on the second buffer layer 2202, and then the first gate insulating layer is prepared on the active layer 2203 2204, the first gate insulating layer 2204 completely covers the active layer 2203.
  • the first gate layer 2205 is prepared on the first gate insulating layer 2204, and the second gate insulating layer 2206 covers the first gate layer 2205 and is in contact with the first gate insulating layer 2204 Join.
  • the second gate layer 2207 is prepared on the second gate insulating layer 2206, and the insulating insulating layer 2208 covers the second gate layer 2207, the insulating insulating layer 2208 and the The second gate insulating layer 2206 is joined.
  • the source-drain layer 2209 is prepared on the insulating insulation layer 2208, the source-drain layer 2209 penetrates the insulating insulation layer 2208, the second gate insulating layer 2206, and the first gate insulation
  • the layer 2204 is connected to the active layer 2203.
  • the flat layer 2210 is prepared on the source-drain layer 2209.
  • a data line 28 is further provided on the second gate insulating layer 2206, and a second sensing electrode lead 27 is also provided on the flat layer 2210.
  • An organic light emitting diode is prepared on the structure of the thin film transistor device 22 Light-Emitting Diode (OLED for short) device structure 23.
  • An anode layer 2301 is prepared on the flat layer 2210, and the anode layer 2301 is connected to the source-drain layer 2209 through the flat layer 2210.
  • a light emitting diode 2302 is prepared on the anode layer 2301, and a pixel definition layer 2303 (Pixel Definition layer) is prepared on the light emitting diode 2302 Layer, referred to as PDL).
  • the anode layer 2301 penetrates the flat layer 2210 and is connected to the second sensing electrode lead 27.
  • a packaging structure 24 is prepared on the organic light emitting diode device structure 23.
  • a photoresist layer 2401 Photo Spacer, PS for short
  • a touch screen structure 25 is prepared on the packaging structure 24.
  • the touch screen structure 25 has three layers: a first insulating layer 2501, a second insulating layer 2502, and a passivation layer 2503.
  • the first insulating layer 2501 is prepared on the thin film encapsulation layer 2403
  • the second insulating layer 2502 is prepared on the first insulating layer 2501
  • the passivation layer 2503 is prepared on the second insulation Layer 2502.
  • a first sensing electrode lead 26 is also provided in the second insulating layer 2502, the first sensing electrode lead 26 penetrates the first insulating layer 2501, the pixel defining layer 2303
  • the flat layer 2210 is electrically connected to the anode layer 2301
  • the second sensing electrode lead 27 is also provided in the flat layer 2210, and the second sensing electrode lead 27 is electrically connected to the anode layer 2301 That is, the first sensing electrode lead 26 and the second sensing electrode lead 27 are electrically connected, so as to realize the double-layer wiring of the sensing electrode.
  • a driving electrode lead 13 is further provided in the operable area 01, and the driving electrode lead 13 and the sensing electrode lead 12 are staggered in a metal mesh , wherein the driving electrode 13 is an up-down bidirectional driving structure, and the sensing electrode 12 is a unidirectional driving structure.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Geometry (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Optics & Photonics (AREA)
  • Electroluminescent Light Sources (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一触摸显示面板包括由下而上依次设置的衬底基板、薄膜晶体管器件结构、有机发光二极管器件结构、封装结构以及触摸屏结构。摸显示面板还包括第一感应电极引线和第二感应电极引线。第一感应电极引线设于触摸屏结构中，第二感应电极引线设于薄膜晶体管器件结构中，第一感应电极引线与第二感应电极引线电连接。

Description

触摸显示面板 技术领域
本发明涉及显示技术领域，尤其涉及一种触摸显示面板。
 背景技术
随着显示技术的飞速发展，触摸屏(Touch Panel)已经逐渐遍及人们的生活中。与仅能提供显示功能的传统显示器相比较，使用触摸屏的显示器能够使得使用者与显示控制主机之间进行信息交互，因此，触摸屏可以完全或者至少部分取代了常用的输入装置，使得现有的显示器不仅能够显示，还能触摸控制。
其中在触摸屏中经常使用有源矩阵有机发光二极体（Active-matrix organic light-emitting diode，简称AMOLED）面板，而对于AMOLED面板，超薄超窄技术是发展趋势之一。超窄边框设计可有效提升面板的屏占比。如果屏占比越高，在相同体积中，能使用的屏幕越大，或者体积缩小屏幕大小不变。所以AMOLED面板携带更方便，重量也相对轻，感观体验也更好。
如图1所示是目前使用的 AMOLED面板触摸屏结构示意图，其中驱动电极引线13和感应电极引线12会分别连接到集成电路15（Integrated Circuit，简称IC）的两侧位置，在可操作区11（Active Area，简称AA区）的数据线14会引线至IC15的中间位置。因为感应电极12的单侧引线比较多，由触摸屏侧边到IC15的感应电极12布线会增加触摸屏下边框的宽度，从而影响AMOLED面板整体下边框的宽度。
综上所述，现有技术的触摸显示面板，由于感应电极RX12的单侧引线较多，导致边框宽度较大，进而难以提高显示面板的屏占比。
 技术问题
在目前的 AMOLED面板触摸屏中，驱动电极引线和感应电极引线会分别连接到集成电路（Integrated Circuit，简称IC）的两侧位置，在可操作区（Active Area，简称AA区）的数据线会引线至IC的中间位置。因为感应电极的单侧引线比较多，由触摸屏侧边到IC的感应电极布线会增加触摸屏下边框的宽度，从而影响AMOLED面板整体下边框的宽度，进而难以提高显示面板的屏占比。
 技术解决方案
为解决上述技术问题，本发明提供一种触摸显示面板，包括：
由下而上依次设置的衬底基板、薄膜晶体管器件结构、有机发光二极管器件结构、封装结构以及触摸屏结构；
第一感应电极引线设于所述触摸屏结构中，以及第二感应电极引线设于所述薄膜晶体管器件结构中，所述第一感应电极引线与所述第二感应电极引线电连接。
根据本发明实施例所提供的触摸显示面板，所述触摸
显示面板分为可操作区和设置在所述可操作区旁的下边框区。
根据本发明实施例所提供的触摸显示面板，所述薄膜晶体管器件结构设置在所述衬底基板上，所述薄膜晶体管器件包含：
第一缓冲层，设置在所述衬底基板上；
第二缓冲层，设置在所述第一缓冲层上；
有源层，设置在所述第二缓冲层上；
第一栅极绝缘层，覆盖在所述有源层上；
第一栅极层，设置在所述第一栅极绝缘层上；
第二栅极绝缘层，覆盖在所述第一栅极层上；
第二栅极层，设置在所述第二栅极绝缘层上；
绝缘隔绝层，覆盖在所述第二栅极层上；
源漏极层，设置在所述绝缘隔绝层上，且贯穿所述绝缘隔绝层、所述第二栅极绝缘层、所述第一栅极绝缘层与所述有源层连接；以及
平坦层，覆盖在所述源漏极层上。
根据本发明实施例所提供的触摸显示面板，在所述下边框区中，在所述平坦层上还设置有所述第二感应电极引线；在所述第二栅极绝缘层上还设置有数据线。
根据本发明实施例所提供的触摸显示面板，其中所述有机发光二极管器件结构设置在所述薄膜晶体管器件上，所述有机发光二极管器件包括：
阳极层，设置在所述平坦层上并贯穿所述平坦层与所述源漏极层连接；
有机发光二极管，设置在所述阳极层上；以及
像素定义层，覆盖在所述有机发光二极管上。
根据本发明实施例所提供的触摸显示面板，在所述下边框区中，所述阳极层贯穿所述平坦层与所述第二感应电极引线相连接。
根据本发明实施例所提供的触摸显示面板，所述封装结构，设置在所述有机发光二极管器件结构上：
光阻层，设置在所述像素定义层上；
阴极层，覆盖在所述光阻层上；以及
薄膜封装层，覆盖在所述阴极层和所述光阻层上。
根据本发明实施例所提供的触摸显示面板，所述触摸屏结构，设置在所述封装结构上，所述触摸屏结构包含：
第一绝缘层，覆盖在所述薄膜封装层上；
第二绝缘层，覆盖在所述第一绝缘层上；以及
钝化层，覆盖在所述第二绝缘层上。
根据本发明实施例所提供的触摸显示面板，在所述下边框区中，所述第二绝缘层上还设置有所述第一感应电极，所述第一感应电极贯穿所述第一绝缘层、所述像素界定层和所述平坦层。
根据本发明实施例所提供的触摸显示面板，还包括设置在所述可操作区中的驱动电极引线和感应电极引线，所述驱动电极引线和所述感应电极引线以金属网的方式交错走线，其中所述驱动电极是上下双向驱动结构，所述感应电极是单向驱动结构。
本发明还提供另一种触摸显示面板，包括：
由下而上依次设置的衬底基板、薄膜晶体管器件结构、有机发光二极管器件结构、封装结构以及触摸屏结构；
第一感应电极引线设于所述触摸屏结构中，以及第二感应电极引线设于所述薄膜晶体管器件结构中，所述第一感应电极引线与所述第二感应电极引线电连接；
其中所述触摸显示面板分为可操作区和设置在所述可操作区旁的下边框区；
其中所述触摸显示面板还包括设置在所述可操作区中的驱动电极引线和感应电极引线，所述驱动电极引线和所述感应电极引线以金属网的方式交错走线。
根据本发明实施例所提供的触摸显示面板，所述薄膜晶体管器件结构设置在所述衬底基板上，所述薄膜晶体管器件包含：
第一缓冲层，设置在所述衬底基板上；
第二缓冲层，设置在所述第一缓冲层上；
有源层，设置在所述第二缓冲层上；
第一栅极绝缘层，覆盖在所述有源层上；
第一栅极层，设置在所述第一栅极绝缘层上；
第二栅极绝缘层，覆盖在所述第一栅极层上；
第二栅极层，设置在所述第二栅极绝缘层上；
绝缘隔绝层，覆盖在所述第二栅极层上；
源漏极层，设置在所述绝缘隔绝层上，且贯穿所述绝缘隔绝层、所述第二栅极绝缘层、所述第一栅极绝缘层与所述有源层连接；以及
平坦层，覆盖在所述源漏极层上。
根据本发明实施例所提供的触摸显示面板，在所述下边框区中，在所述平坦层上还设置有所述第二感应电极引线；在所述第二栅极绝缘层上还设置有数据线。
根据本发明实施例所提供的触摸显示面板，所述有机发光二极管器件结构设置在所述薄膜晶体管器件上，所述有机发光二极管器件包括：
阳极层，设置在所述平坦层上并贯穿所述平坦层与所述源漏极层连接；
有机发光二极管，设置在所述阳极层上；以及
像素定义层，覆盖在所述有机发光二极管上。
根据本发明实施例所提供的触摸显示面板，在所述下边框区中，所述阳极层贯穿所述平坦层与所述第二感应电极引线相连接。
根据本发明实施例所提供的触摸显示面板，所述封装结构，设置在所述有机发光二极管器件结构上：
光阻层，设置在所述像素定义层上；
阴极层，覆盖在所述光阻层上；以及
薄膜封装层，覆盖在所述阴极层和所述光阻层上。
根据本发明实施例所提供的触摸显示面板，所述触摸屏结构，设置在所述封装结构上，所述触摸屏结构包含：
第一绝缘层，覆盖在所述薄膜封装层上；
第二绝缘层，覆盖在所述第一绝缘层上；以及
钝化层，覆盖在所述第二绝缘层上。
根据本发明实施例所提供的触摸显示面板，在所述下边框区中，所述第二绝缘层上还设置有所述第一感应电极，所述第一感应电极贯穿所述第一绝缘层、所述像素界定层和所述平坦层。
根据本发明实施例所提供的触摸显示面板，其中所述驱动电极是上下双向驱动结构，所述感应电极是单向驱动结构。
 有益效果
相较于现有技术，为解决上述技术问题，本发明提供一种触摸显示面板，可通过双层走线的方式，减少单层感应电极走线数目多的问题，从而缩小下边框，进而提高屏占比。
 附图说明
图1为现有技术的AMOLED面板触摸屏结构示意图。
图2为本发明实施例提供的AMOLED面板截面示意图。
 本发明的最佳实施方式
以下各实施例的说明是参考附加的图式，用以例示本揭示可用以实施的特定实施例。
为了让本揭示的上述及其他目的、特征、优点能更明显易懂，下文将特举本揭示优选实施例，并配合所附图式，作详细说明如下。再者，本揭示所提到的方向用语，例如上、下、顶、底、前、后、左、右、内、外、侧层、周围、中央、水平、横向、垂直、纵向、轴向、径向、最上层或最下层等，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揭示，而非用以限制本揭示。
在图中，结构相似的单元是以相同标号表示。
本发明实施例提供的可触摸屏显示面板由下而上依次设置衬底基板21、薄膜晶体管器件结构22、有机发光二极管器件结构23、封装结构24以及触摸屏结构25。
如图2所示为本发明实施例的AMOLED面板截面示意图。
如图2所示，最底下为一衬底基板21，在所述衬底基板21上制备薄膜晶体管（Thin Film Transistor，简称TFT）器件22。所述薄膜晶体管器件22中包含第一缓冲层2201，第二缓冲层2202，有源层2203，第一栅极绝缘层2204，第一栅极层2205，第二栅极绝缘层2206，第二栅极层2207，绝缘隔绝层2208，源漏极层2209，平坦层2210。其中，所述第一缓冲层2201制备在所述衬底基板21上，所述第二缓冲层2202制备在所述第一缓冲层2201之上。本发明实施例的可触摸屏显示面板分为可操作区01（Active Area，简称AA区）和设置在所述可操作区01旁的下边框区02。在本发明实施例的可触摸屏显示面板的AA区01，所述有源层2203制备在所述第二缓冲层2202上，然后在所述有源层2203上制备所述第一栅极绝缘层2204，所述第一栅极绝缘层2204完全覆盖所述有源层2203。所述第一栅极层2205制备在所述第一栅极绝缘层2204上，所述第二栅极绝缘层2206覆盖所述第一栅极层2205并与所述第一栅极绝缘层2204接合。所述第二栅极层2207制备在所述第二栅极绝缘层2206之上，而所述绝缘隔绝层2208覆盖在所述第二栅极层2207之上，所述绝缘隔绝层2208与所述第二栅极绝缘层2206相接合。所述源漏极层2209制备在所述绝缘隔绝层2208之上，所述源漏极层2209贯穿所述绝缘隔绝层2208、所述第二栅极绝缘层2206、所述第一栅极绝缘层2204与所述有源层2203相连接。所述平坦层2210制备在所述源漏极层2209之上。
在触摸屏的下边框区02中，在所述第二栅极绝缘层2206上还设置有数据线28，而在所述平坦层2210之上还设置有第二感应电极引线27。
在所述薄膜晶体管器件22结构上制备有机发光二极管（Organic Light-Emitting Diode, 简称OLED）器件结构23。在所述平坦层2210上制备阳极层2301（anode）,所述阳极层2301贯穿所述平坦层2210与所述源漏极层2209相连接。在所述阳极层2301上制备发光二极管2302（OLED），在所述发光二极管2302上制备像素界定层2303（Pixel Definition Layer，简称PDL）。在所述下边框区02中，所述阳极层2301贯穿所述平坦层2210并与所述第二感应电极引线27相连接。
在所述有机发光二极管器件结构23上制备封装结构24。在所述像素界定层2303上制备光阻层2401（Photo Spacer，简称PS），在所述光阻层2401形成后，在所述光阻层2401上覆盖制备一层阴极层2402（cathode），然后在制备一层薄膜封装层2403，所述薄膜封装层2403覆盖在所述阴极层2402和所述光阻层2401上。
所述封装结构24制备完成后，在所述封装结构24上制备触摸屏结构25，所述触摸屏结构25有三层：第一绝缘层2501、第二绝缘层2502、钝化层2503。所述第一绝缘层2501制备在所述薄膜封装层2403之上，所述第二绝缘层2502制备在所述第一绝缘层2501之上，所述钝化层2503制备在所述第二绝缘层2502之上。在触摸屏面板的下边框区，在所述第二绝缘层2502中还设置有第一感应电极引线26，所述第一感应电极引线26贯穿所述第一绝缘层2501、所述像素界定层2303、所述平坦层2210与所述阳极层2301电连接，而所述第二感应电极引线27也设置在所述平坦层2210中，所述第二感应电极引线27与所述阳极层2301电连接，即所述第一感应电极引线26与所述第二感应电极引线27电连接，以此来实现感应电极的双层走线。
在本发明实施例提供的可触摸屏显示面板，在所述的可操作区01中还设置有驱动电极引线13，所述驱动电极引线13和所述感应电极引线12以金属网的方式交错走线，其中所述驱动电极13是上下双向驱动结构，所述感应电极12是单向驱动结构。
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。尽管已经相对于一个或多个实现方式示出并描述了本揭示，但是本领域技术人员基于对本说明书和附图的阅读和理解将会想到等价变型和修改。本揭示包括所有这样的修改和变型，并且仅由所附权利要求的范围限制。特别地关于由上述组件执行的各种功能，用于描述这样的组件的术语旨在对应于执行所述组件的指定功能（例如其在功能上是等价的）的任意组件（除非另外指示），即使在结构上与执行本文所示的本说明书的示范性实现方式中的功能的公开结构不等同。此外，尽管本说明书的特定特征已经相对于若干实现方式中的仅一个被公开，但是这种特征可以与如可以对给定或特定应用而言是期望和有利的其他实现方式的一个或多个其他特征组合。而且，就术语“包括”、“具有”、“含有”或其变形被用在具体实施方式或权利要求中而言，这样的术语旨在以与术语“包含”相似的方式包括。
以上仅是本发明的优选实施方式，应当指出，对于本领域普通技术人员，在不脱离本揭示原理的前提下，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 (19)

  1. 一种触摸显示面板，包括：
    由下而上依次设置的衬底基板、薄膜晶体管器件结构、有机发光二极管器件结构、封装结构以及触摸屏结构；
    第一感应电极引线设于所述触摸屏结构中，以及第二感应电极引线设于所述薄膜晶体管器件结构中，所述第一感应电极引线与所述第二感应电极引线电连接。
  2. 根据权利要求1所述的触摸显示面板，其中所述触摸
    显示面板分为可操作区和设置在所述可操作区旁的下边框区。
  3. 根据权利要求2所述的触摸显示面板，其中所述薄膜
    晶体管器件结构设置在所述衬底基板上，所述薄膜晶体管器件包含：
    第一缓冲层，设置在所述衬底基板上；
    第二缓冲层，设置在所述第一缓冲层上；
    有源层，设置在所述第二缓冲层上；
    第一栅极绝缘层，覆盖在所述有源层上；
    第一栅极层，设置在所述第一栅极绝缘层上；
    第二栅极绝缘层，覆盖在所述第一栅极层上；
    第二栅极层，设置在所述第二栅极绝缘层上；
    绝缘隔绝层，覆盖在所述第二栅极层上；
    源漏极层，设置在所述绝缘隔绝层上，且贯穿所述绝缘隔绝层、所述第二栅极绝缘层、所述第一栅极绝缘层与所述有源层连接；以及
    平坦层，覆盖在所述源漏极层上。
  4. 根据权利要求3所述的触摸显示面板，其中在所述下
    边框区中，在所述平坦层上还设置有所述第二感应电极引线；在所述第二栅极绝缘层上还设置有数据线。
  5. 根据权利要求3所述的触摸显示面板，其中所述有机
    发光二极管器件结构设置在所述薄膜晶体管器件上，所述有机发光二极管器件包括：
    阳极层，设置在所述平坦层上并贯穿所述平坦层与所述源漏极层连接；
    有机发光二极管，设置在所述阳极层上；以及
    像素定义层，覆盖在所述有机发光二极管上。
  6. 根据权利要求5所述的触摸显示面板，其中在所述下
    边框区中，所述阳极层贯穿所述平坦层与所述第二感应电极引线相连接。
  7. 根据权利要求5所述的触摸显示面板，其中所述封装
    结构，设置在所述有机发光二极管器件结构上：
    光阻层，设置在所述像素定义层上；
    阴极层，覆盖在所述光阻层上；以及
    薄膜封装层，覆盖在所述阴极层和所述光阻层上。
  8. 根据权利要求7所述的触摸显示面板，其中所述触摸
    屏结构，设置在所述封装结构上，所述触摸屏结构包含：
    第一绝缘层，覆盖在所述薄膜封装层上；
    第二绝缘层，覆盖在所述第一绝缘层上；以及
    钝化层，覆盖在所述第二绝缘层上。
  9. 根据权利要求3所述的触摸显示面板，其中在所述下
    边框区中，所述第二绝缘层上还设置有所述第一感应电极，所述第一感应电极贯穿所述第一绝缘层、所述像素界定层和所述平坦层。
  10. 根据权利要求2所述的触摸显示面板，其中还包括设
    置在所述可操作区中的驱动电极引线和感应电极引线，所述驱动电极引线和所述感应电极引线以金属网的方式交错走线，其中所述驱动电极是上下双向驱动结构，所述感应电极是单向驱动结构。
  11. 一种触摸显示面板，包括：
    由下而上依次设置的衬底基板、薄膜晶体管器件结构、有机发光二极管器件结构、封装结构以及触摸屏结构；
    第一感应电极引线设于所述触摸屏结构中；以及第二感应电极引线设于所述薄膜晶体管器件结构中，所述第一感应电极引线与所述第二感应电极引线电连接；
    其中所述触摸显示面板分为可操作区和设置在所述可操作区旁的下边框区；
    其中所述触摸显示面板还包括设置在所述可操作区中的驱动电极引线和感应电极引线，所述驱动电极引线和所述感应电极引线以金属网的方式交错走线。
  12. 根据权利要求11所述的触摸显示面板，其中所述薄膜
    晶体管器件结构设置在所述衬底基板上，所述薄膜晶体管器件包含：
    第一缓冲层，设置在所述衬底基板上；
    第二缓冲层，设置在所述第一缓冲层上；
    有源层，设置在所述第二缓冲层上；
    第一栅极绝缘层，覆盖在所述有源层上；
    第一栅极层，设置在所述第一栅极绝缘层上；
    第二栅极绝缘层，覆盖在所述第一栅极层上；
    第二栅极层，设置在所述第二栅极绝缘层上；
    绝缘隔绝层，覆盖在所述第二栅极层上；
    源漏极层，设置在所述绝缘隔绝层上，且贯穿所述绝缘隔绝层、所述第二栅极绝缘层、所述第一栅极绝缘层与所述有源层连接；以及
    平坦层，覆盖在所述源漏极层上。
  13. 根据权利要求12所述的触摸显示面板，其中在所述下
    边框区中，在所述平坦层上还设置有所述第二感应电极引线；在所述第二栅极绝缘层上还设置有数据线。
  14. 根据权利要求12所述的触摸显示面板，其中所述有机
    发光二极管器件结构设置在所述薄膜晶体管器件上，所述有机发光二极管器件包括：
    阳极层，设置在所述平坦层上并贯穿所述平坦层与所述源漏极层连接；
    有机发光二极管，设置在所述阳极层上；以及
    像素定义层，覆盖在所述有机发光二极管上。
  15. 根据权利要求14所述的触摸显示面板，其中在所述下
    边框区中，所述阳极层贯穿所述平坦层与所述第二感应电极引线相连接。
  16. 根据权利要求14所述的触摸显示面板，其中所述封装
    结构，设置在所述有机发光二极管器件结构上：
    光阻层，设置在所述像素定义层上；
    阴极层，覆盖在所述光阻层上；以及
    薄膜封装层，覆盖在所述阴极层和所述光阻层上。
  17. 根据权利要求16所述的触摸显示面板，其中所述触摸
    屏结构，设置在所述封装结构上，所述触摸屏结构包含：
    第一绝缘层，覆盖在所述薄膜封装层上；
    第二绝缘层，覆盖在所述第一绝缘层上；以及
    钝化层，覆盖在所述第二绝缘层上。
  18. 根据权利要求12所述的触摸显示面板，其中在所述下
    边框区中，所述第二绝缘层上还设置有所述第一感应电极，所述第一感应电极贯穿所述第一绝缘层、所述像素界定层和所述平坦层。
  19. 根据权利要求11所述的触摸显示面板，其中所述驱动
    电极是上下双向驱动结构，所述感应电极是单向驱动结构。
PCT/CN2019/080931 2018-12-17 2019-04-02 触摸显示面板 Ceased WO2020124862A1 (zh)

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