WO2020164174A1 - Oled 显示面板和柔性显示装置 - Google Patents

Oled 显示面板和柔性显示装置 Download PDF

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Publication number
WO2020164174A1
WO2020164174A1 PCT/CN2019/079007 CN2019079007W WO2020164174A1 WO 2020164174 A1 WO2020164174 A1 WO 2020164174A1 CN 2019079007 W CN2019079007 W CN 2019079007W WO 2020164174 A1 WO2020164174 A1 WO 2020164174A1
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Prior art keywords
layer
display panel
top electrode
oled display
electrode layer
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PCT/CN2019/079007
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English (en)
French (fr)
Inventor
姜亮
Original Assignee
深圳市华星光电半导体显示技术有限公司
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Publication of WO2020164174A1 publication Critical patent/WO2020164174A1/zh

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    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80Constructional details

Definitions

  • This application relates to the field of display technology, and in particular to an OLED display panel and a flexible display device.
  • the top electrode In the existing OLED devices with a top emission structure, the top electrode generally adopts TCO (Transparent Conductive oxide, transparent conductive oxide) film, due to the higher impedance of the TCO film, there is a large IR-drop (power supply voltage drop), resulting in poor in-plane brightness uniformity.
  • TCO Transparent Conductive oxide, transparent conductive oxide
  • the existing OLED display device has the technical problem of low conductivity of the top electrode, which needs to be improved.
  • the present application provides an OLED display panel to alleviate the technical problem of low conductivity of the top electrode of the existing OLED display device.
  • the present application provides an OLED display panel, including a driving circuit layer and an organic light-emitting layer, the organic light-emitting layer includes:
  • the auxiliary conductive layer is arranged in a direction away from the organic functional layer of the top electrode layer, and is used to assist the top electrode layer to conduct electricity.
  • the auxiliary conductive layer is electrically connected to the top electrode layer.
  • the OLED display panel includes a passivation layer formed on the top electrode layer, the auxiliary conductive layer is disposed on the passivation layer, and the passivation layer is A conductive via is formed in the layer, and the auxiliary conductive layer is electrically connected to the top electrode layer through the conductive via.
  • the OLED display panel further includes a transparent substrate, the transparent substrate is attached to the passivation layer, the auxiliary conductive layer is formed on the transparent substrate, and The auxiliary conductive layer is electrically connected to the top electrode layer through the conductive via.
  • the OLED display panel further includes a transparent substrate, the transparent substrate is attached to the top electrode layer, and the auxiliary conductive layer is formed on the transparent substrate.
  • the auxiliary conductive layer is disposed on the surface of the top electrode layer.
  • the OLED display panel further includes a transparent substrate, the auxiliary conductive layer is formed on the transparent substrate, and the auxiliary conductive layer is attached to the top electrode layer.
  • the auxiliary conductive layer is electrically connected to at least one area of the top electrode layer in the display area or the non-display area.
  • the OLED display panel includes a first connection terminal and a second connection terminal, the first connection terminal is connected to the top electrode layer, and the second connection terminal is connected to the auxiliary conductive layer. Layer connection.
  • the OLED display panel includes a passivation layer, the passivation layer is formed on the top electrode layer, and the auxiliary conductive layer is disposed on the passivation layer.
  • the OLED display panel further includes a transparent substrate, the transparent substrate is attached to the passivation layer, and the auxiliary conductive layer is formed on the transparent substrate.
  • the OLED display panel further includes a transparent substrate, the transparent substrate is attached to the top electrode layer, and the auxiliary conductive layer is formed on the transparent substrate.
  • the OLED display panel includes a first connection terminal and a second connection terminal, the first connection terminal is connected to the top electrode layer, and the second connection terminal is connected to the auxiliary conductive layer.
  • the layers are connected, and the auxiliary conductive layer is electrically connected to the top electrode layer.
  • the OLED display panel includes a passivation layer formed on the top electrode layer, the auxiliary conductive layer is disposed on the passivation layer, and the passivation layer is A conductive via is formed in the layer, and the auxiliary conductive layer is electrically connected to the top electrode layer through the conductive via.
  • the OLED display panel further includes a transparent substrate, the transparent substrate is attached to the passivation layer, the auxiliary conductive layer is formed on the transparent substrate, and The auxiliary conductive layer is electrically connected to the top electrode layer through the conductive via.
  • the OLED display panel further includes a transparent substrate, the transparent substrate is attached to the top electrode layer, and the auxiliary conductive layer is formed on the transparent substrate.
  • the auxiliary conductive layer is disposed on the surface of the top electrode layer.
  • the OLED display panel of the present application further includes a transparent substrate, the auxiliary conductive layer is formed on the transparent substrate, and the auxiliary conductive layer is attached to the top electrode layer.
  • the auxiliary conductive layer is electrically connected to at least one area of the top electrode layer in the display area or the non-display area.
  • the present application also provides a flexible display device, including an OLED display panel, the OLED display panel including a driving circuit layer and an organic light-emitting layer, and the organic light-emitting layer includes:
  • the auxiliary conductive layer is arranged in a direction away from the organic functional layer of the top electrode layer, and is used to assist the top electrode layer to conduct electricity.
  • the present application provides an OLED display panel and a flexible display device.
  • the OLED display panel includes a driving circuit layer and an organic light-emitting layer.
  • the organic light-emitting layer includes a bottom electrode layer; an organic functional layer formed on the bottom electrode layer.
  • a top electrode layer which is formed on the organic functional layer; an auxiliary conductive layer, which is arranged in a direction away from the organic functional layer of the top electrode layer, and is used to assist the top electrode layer to conduct electricity.
  • FIG. 1 is a schematic diagram of the first structure of an OLED display panel provided by an embodiment of the application
  • FIG. 2 is a schematic diagram of a second structure of an OLED display panel provided by an embodiment of the application.
  • FIG. 3 is a schematic diagram of a third structure of an OLED display panel provided by an embodiment of the application.
  • FIG. 4 is a schematic diagram of a fourth structure of an OLED display panel provided by an embodiment of the application.
  • FIG. 5 is a schematic diagram of a fifth structure of an OLED display panel provided by an embodiment of the application.
  • FIG. 6 is a schematic diagram of a sixth structure of an OLED display panel provided by an embodiment of the application.
  • FIG. 7 is a schematic diagram of a seventh structure of an OLED display panel provided by an embodiment of the application.
  • FIG. 8 is a schematic diagram of an eighth structure of an OLED display panel provided by an embodiment of the application.
  • FIG. 9 is a schematic diagram of a ninth structure of an OLED display panel provided by an embodiment of the application.
  • FIG. 10 is a schematic diagram of a tenth structure of an OLED display panel provided by an embodiment of the application.
  • FIG. 11 is a schematic diagram of an eleventh structure of an OLED display panel provided by an embodiment of the application.
  • FIG. 12 is a schematic diagram of a twelfth structure of an OLED display panel provided by an embodiment of the application.
  • FIG. 13 is a schematic diagram of the thirteenth structure of an OLED display panel provided by an embodiment of the application.
  • the present application provides an OLED display panel to alleviate the technical problem of low conductivity of the top electrode layer in the existing OLED display panel.
  • the OLED display panel includes a driving circuit layer 10, an organic light emitting layer 20, and a color filter substrate layer 30.
  • the organic light emitting layer 20 includes a bottom electrode layer 21, an organic functional layer 22, a top electrode layer 23, an auxiliary conductive layer 24 and a transparent substrate 25.
  • the OLED display panel in the embodiment of the present application has a top emission structure, and the bottom electrode layer 21 is an anode layer.
  • the organic functional layer 22 is formed on the bottom electrode layer 21 and includes a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, and an electron injection layer.
  • the top electrode layer 23 is formed on the organic functional layer 22 and is a transparent cathode layer.
  • the top electrode layer 23 is TCO (Transparent conductive oxide) thin film.
  • the hole injection layer receives holes transmitted from the anode layer, the holes are transmitted to the light emitting layer through the hole transport layer, the electron injection layer receives electrons transmitted from the cathode layer, and the electrons are transmitted to the light emitting layer through the electron transport layer.
  • the holes and electrons combine at the position of the light-emitting layer to generate excitons, which transition from the excited state to the ground state to release energy and emit light.
  • the auxiliary conductive layer 24 is disposed in a direction away from the organic functional layer 22 of the top electrode layer 23 to assist the top electrode layer 23 to conduct electricity.
  • the auxiliary conductive layer 24 is a transparent and low-impedance material.
  • the auxiliary conductive layer 24 is composed of at least one of metal nanowires, graphene, carbon nanotubes, and copper nanowires. It is laminated on the top electrode layer 23, and then the subsequent packaging process is performed. Since the auxiliary conductive layer 24 is prepared separately and then laminated to the OLED display panel, instead of being directly prepared on the OLED display panel, It is compatible with the existing production process and will not affect the panel performance due to the preparation process.
  • the auxiliary conductive layer 24 is made of transparent material and has low impedance, it can be arranged together with the top electrode layer 23 to increase the conductivity of the top electrode layer without changing the transmittance, thereby greatly alleviating the IR-drop phenomenon , Improve the brightness uniformity of the OLED display panel.
  • auxiliary conductive layer 24 In the preparation process of the auxiliary conductive layer 24, it is not formed separately, but transparent and low impedance materials, such as metal nanowires, graphene, carbon nanotubes, copper nanowires, etc., are prepared on the transparent substrate 25, and then The two are pressed together on the top electrode layer 23 by mechanical or vacuum means.
  • transparent and low impedance materials such as metal nanowires, graphene, carbon nanotubes, copper nanowires, etc.
  • the transparent substrate 25 is attached to the top electrode layer 23, and the auxiliary conductive layer 24 is formed on the transparent substrate 25.
  • the auxiliary conductive layer 24 is electrically connected to the top electrode layer 23 in at least one area of the display area or the non-display area of the OLED display panel.
  • the OLED display panel includes a driving circuit layer 10, an organic light emitting layer 20, and a color film substrate layer 30.
  • the organic light emitting layer 20 includes a bottom electrode layer 21, an organic functional layer 22, a top electrode layer 23, and an auxiliary conductive layer 24. And transparent substrate 25.
  • the auxiliary conductive layer 24 is formed on the transparent substrate 25, the auxiliary conductive layer 24 is attached to the top electrode layer 23, and the auxiliary conductive layer 24 and the top electrode layer 23 are in the display area of the OLED display panel. At least one area in the display area is electrically connected.
  • FIG. 3 it is a schematic diagram of the third structure of the OLED display panel provided by the embodiment of this application.
  • the OLED display panel of the present application has a top emission structure, and includes a driving circuit layer 10, an organic light-emitting layer 20, and a color film substrate layer 30.
  • the organic light-emitting layer 20 includes a bottom electrode layer 21, an organic functional layer 22, a top electrode layer 23, and auxiliary conductive layers. Layer 24.
  • the auxiliary conductive layer 24 is first formed on the transparent substrate, and then the two are pressed together on the top electrode layer 23 by mechanical or vacuum means. After the pressing, the transparent substrate is peeled off. , Only the auxiliary conductive layer 24 is left, and the auxiliary conductive layer 24 and the top electrode layer 23 are electrically connected to at least one area of the display area or the non-display area of the OLED display panel.
  • the OLED display panel includes a driving circuit layer 10, an organic light emitting layer 20, and a color film substrate layer 30.
  • the organic light emitting layer 20 includes a bottom electrode layer 21, an organic functional layer 22, a top electrode layer 23, and an auxiliary conductive layer 24. , Passivation layer 26.
  • the passivation layer 26 is formed on the top electrode layer 23, a conductive via 261 is formed in the passivation layer 26, and the auxiliary conductive layer 24 is disposed on the passivation layer 26.
  • the auxiliary conductive layer 24 is first formed on the transparent substrate, and then the two are pressed together on the passivation layer 26 by mechanical or vacuum means. After the pressing, the transparent substrate is peeled off. , Only the auxiliary conductive layer 24 is left, and the auxiliary conductive layer 24 and the top electrode layer 23 are electrically connected through the conductive via 261 in at least one area of the display area or the non-display area of the OLED display panel.
  • the OLED display panel includes a driving circuit layer 10, an organic light emitting layer 20, and a color film substrate layer 30.
  • the organic light emitting layer 20 includes a bottom electrode layer 21, an organic functional layer 22, a top electrode layer 23, and an auxiliary conductive layer 24. , Transparent substrate 25, passivation layer 26.
  • the passivation layer 26 is formed on the top electrode layer 23.
  • the passivation layer 26 includes a first passivation portion 2611 and a second passivation portion 2612.
  • a conductive pass is formed between the first passivation portion 2611 and the second passivation portion 2612.
  • Hole 261 the transparent substrate 25 is attached to the passivation layer 26
  • the auxiliary conductive layer 24 is formed on the transparent substrate 25
  • the auxiliary conductive layer 24 and the top electrode layer 23 are in the display area or non-display area of the OLED display panel At least one area is electrically connected through the conductive via 261.
  • the OLED display panel includes a driving circuit layer 10, an organic light emitting layer 20, and a color film substrate layer 30.
  • the organic light emitting layer 20 includes a bottom electrode layer 21, an organic functional layer 22, a top electrode layer 23, and an auxiliary conductive layer 24. And transparent substrate 25.
  • the transparent substrate 25 is attached to the top electrode layer 23, and the auxiliary conductive layer 24 is formed on the transparent substrate 25.
  • the OLED display panel also includes a first connection terminal 41 and a second connection terminal 42, the first connection terminal 41 is connected to the top electrode layer 23, the second connection terminal 42 is connected to the auxiliary conductive layer 24, and the first connection terminal 41 is connected to the second connection terminal.
  • the terminals 42 are respectively electrically connected to the driving chip on the flexible circuit board.
  • the driving chip provides voltage and current to the top electrode layer 23 and the auxiliary conductive layer 24, so that the top electrode layer 23 and the auxiliary conductive layer 24 are connected.
  • the auxiliary conductive layer 24 forms a parallel circuit, and the resistance is reduced compared to the structure with only one top electrode layer 23, thereby increasing the conductivity.
  • the OLED display panel includes a driving circuit layer 10, an organic light emitting layer 20, and a color film substrate layer 30.
  • the organic light emitting layer 20 includes a bottom electrode layer 21, an organic functional layer 22, a top electrode layer 23, and an auxiliary conductive layer 24. , Passivation layer 26.
  • the passivation layer 26 is formed on the top electrode layer 23, and the auxiliary conductive layer 24 is provided on the passivation layer 26.
  • the auxiliary conductive layer 24 is first formed on the transparent substrate, and then the two are pressed together on the passivation layer 26 by mechanical or vacuum means. After the pressing, the transparent substrate is peeled off. , Only the auxiliary conductive layer 24 is left.
  • the OLED display panel also includes a first connection terminal 41 and a second connection terminal 42, the first connection terminal 41 is connected to the top electrode layer 23, the second connection terminal 42 is connected to the auxiliary conductive layer 24, and the first connection terminal 41 is connected to the second connection terminal.
  • the terminals 42 are respectively electrically connected to the driving chip on the flexible circuit board.
  • the driving chip provides voltage and current to the top electrode layer 23 and the auxiliary conductive layer 24, so that the top electrode layer 23 and the auxiliary conductive layer 24 are connected.
  • the auxiliary conductive layer 24 forms a parallel circuit, and the resistance is reduced compared to the structure with only one top electrode layer 23, thereby increasing the conductivity.
  • the OLED display panel includes a driving circuit layer 10, an organic light emitting layer 20, and a color film substrate layer 30.
  • the organic light emitting layer 20 includes a bottom electrode layer 21, an organic functional layer 22, a top electrode layer 23, and an auxiliary conductive layer 24. , Transparent substrate 25, passivation layer 26.
  • the passivation layer 26 is formed on the top electrode layer 23, the transparent substrate 25 is attached to the passivation layer 26, and the auxiliary conductive layer 24 is formed on the transparent substrate 25.
  • the OLED display panel also includes a first connection terminal 41 and a second connection terminal 42, the first connection terminal 41 is connected to the top electrode layer 23, the second connection terminal 42 is connected to the auxiliary conductive layer 24, and the first connection terminal 41 is connected to the second connection terminal.
  • the terminals 42 are respectively electrically connected to the driving chip on the flexible circuit board.
  • the driving chip provides voltage and current to the top electrode layer 23 and the auxiliary conductive layer 24, so that the top electrode layer 23 and the auxiliary conductive layer 24 are connected.
  • the auxiliary conductive layer 24 forms a parallel circuit, and the resistance is reduced compared to the structure with only one top electrode layer 23, thereby increasing the conductivity.
  • the OLED display panel includes a driving circuit layer 10, an organic light emitting layer 20, and a color film substrate layer 30.
  • the organic light emitting layer 20 includes a bottom electrode layer 21, an organic functional layer 22, a top electrode layer 23, and an auxiliary conductive layer 24. And transparent substrate 25.
  • the transparent substrate 25 is attached to the top electrode layer 23, and the auxiliary conductive layer 24 is formed on the transparent substrate 25.
  • the auxiliary conductive layer 24 is electrically connected to the top electrode layer 23 in at least one area of the display area or the non-display area of the OLED display panel.
  • the OLED display panel further includes a first connection terminal 41 and a second connection terminal 42, the first connection terminal 41 is connected to the top electrode layer 23, and the second connection terminal 42 is connected to the auxiliary conductive layer 24.
  • the first connection terminal 41 and the second connection terminal 42 are respectively electrically connected to the driving chip on the flexible circuit board, and the driving chip provides voltage and current to the top electrode layer 23 and the auxiliary conductive layer 24, so that the top electrode layer 23 and the auxiliary conductive layer 24 Since the top electrode layer 23 and the auxiliary conductive layer 24 form a parallel circuit, the resistance is reduced compared to the structure with only one layer of the top electrode layer 23, thus increasing the conductivity. At the same time, because the auxiliary conductive layer 24 and the top electrode The layers 23 are electrically connected, and the conductive effect between the two is better, which further improves the conductivity.
  • the OLED display panel includes a driving circuit layer 10, an organic light emitting layer 20, and a color film substrate layer 30.
  • the organic light emitting layer 20 includes a bottom electrode layer 21, an organic functional layer 22, a top electrode layer 23, and an auxiliary conductive layer 24. And transparent substrate 25.
  • the auxiliary conductive layer 24 is formed on the transparent substrate 25, the auxiliary conductive layer 24 is attached to the top electrode layer 23, and the auxiliary conductive layer 24 and the top electrode layer 23 are in the display area of the OLED display panel. At least one area in the display area is electrically connected.
  • the OLED display panel further includes a first connection terminal 41 and a second connection terminal 42, the first connection terminal 41 is connected to the top electrode layer 23, and the second connection terminal 42 is connected to the auxiliary conductive layer 24.
  • the first connection terminal 41 and the second connection terminal 42 are respectively electrically connected to the driving chip on the flexible circuit board, and the driving chip provides voltage and current to the top electrode layer 23 and the auxiliary conductive layer 24, so that the top electrode layer 23 and the auxiliary conductive layer 24 Since the top electrode layer 23 and the auxiliary conductive layer 24 form a parallel circuit, the resistance is reduced compared to the structure with only one layer of the top electrode layer 23, thus increasing the conductivity. At the same time, because the auxiliary conductive layer 24 and the top electrode The layers 23 are electrically connected, and the conductive effect between the two is better, which further improves the conductivity.
  • FIG. 11 it is a schematic diagram of the eleventh structure of the OLED display panel provided by the embodiment of this application.
  • the OLED display panel of the present application has a top emission structure, and includes a driving circuit layer 10, an organic light-emitting layer 20, and a color film substrate layer 30.
  • the organic light-emitting layer 20 includes a bottom electrode layer 21, an organic functional layer 22, a top electrode layer 23, and auxiliary conductive layers. Layer 24.
  • the auxiliary conductive layer 24 is first formed on the transparent substrate, and then the two are pressed together on the top electrode layer 23 by mechanical or vacuum means. After the pressing, the transparent substrate is peeled off. , Only the auxiliary conductive layer 24 is left, and the auxiliary conductive layer 24 and the top electrode layer 23 are electrically connected to at least one area of the display area or the non-display area of the OLED display panel.
  • the OLED display panel further includes a first connection terminal 41 and a second connection terminal 42, the first connection terminal 41 is connected to the top electrode layer 23, and the second connection terminal 42 is connected to the auxiliary conductive layer 24.
  • the first connection terminal 41 and the second connection terminal 42 are respectively electrically connected to the driving chip on the flexible circuit board, and the driving chip provides voltage and current to the top electrode layer 23 and the auxiliary conductive layer 24, so that the top electrode layer 23 and the auxiliary conductive layer 24 Since the top electrode layer 23 and the auxiliary conductive layer 24 form a parallel circuit, the resistance is reduced compared to the structure with only one layer of the top electrode layer 23, thus increasing the conductivity. At the same time, because the auxiliary conductive layer 24 and the top electrode The layers 23 are electrically connected, and the conductive effect between the two is better, which further improves the conductivity.
  • the OLED display panel includes a driving circuit layer 10, an organic light emitting layer 20, and a color film substrate layer 30.
  • the organic light emitting layer 20 includes a bottom electrode layer 21, an organic functional layer 22, a top electrode layer 23, and an auxiliary conductive layer 24. , Passivation layer 26.
  • the passivation layer 26 is formed on the top electrode layer 23, a conductive via 261 is formed in the passivation layer 26, and the auxiliary conductive layer 24 is disposed on the passivation layer 26.
  • the auxiliary conductive layer 24 is first formed on the transparent substrate, and then the two are pressed together on the passivation layer 26 by mechanical or vacuum means. After the pressing, the transparent substrate is peeled off. , Only the auxiliary conductive layer 24 is left, and the auxiliary conductive layer 24 and the top electrode layer 23 are electrically connected through the conductive via 261 in at least one area of the display area or the non-display area of the OLED display panel.
  • the OLED display panel further includes a first connection terminal 41 and a second connection terminal 42, the first connection terminal 41 is connected to the top electrode layer 23, and the second connection terminal 42 is connected to the auxiliary conductive layer 24.
  • the first connection terminal 41 and the second connection terminal 42 are respectively electrically connected to the driving chip on the flexible circuit board, and the driving chip provides voltage and current to the top electrode layer 23 and the auxiliary conductive layer 24, so that the top electrode layer 23 and the auxiliary conductive layer 24 Since the top electrode layer 23 and the auxiliary conductive layer 24 form a parallel circuit, the resistance is reduced compared to the structure with only one layer of the top electrode layer 23, thus increasing the conductivity. At the same time, because the auxiliary conductive layer 24 and the top electrode The layers 23 are electrically connected, and the conductive effect between the two is better, which further improves the conductivity.
  • the OLED display panel includes a driving circuit layer 10, an organic light emitting layer 20, and a color film substrate layer 30.
  • the organic light emitting layer 20 includes a bottom electrode layer 21, an organic functional layer 22, a top electrode layer 23, and an auxiliary conductive layer 24. , Transparent substrate 25, passivation layer 26.
  • the passivation layer 26 is formed on the top electrode layer 23.
  • the passivation layer 26 includes a first passivation portion 2611 and a second passivation portion 2612.
  • a conductive pass is formed between the first passivation portion 2611 and the second passivation portion 2612.
  • Hole 261 the transparent substrate 25 is attached to the passivation layer 26
  • the auxiliary conductive layer 24 is formed on the transparent substrate 25
  • the auxiliary conductive layer 24 and the top electrode layer 23 are in the display area or non-display area of the OLED display panel At least one area is electrically connected through the conductive via 261.
  • the OLED display panel further includes a first connection terminal 41 and a second connection terminal 42, the first connection terminal 41 is connected to the top electrode layer 23, and the second connection terminal 42 is connected to the auxiliary conductive layer 24.
  • the first connection terminal 41 and the second connection terminal 42 are respectively electrically connected to the driving chip on the flexible circuit board, and the driving chip provides voltage and current to the top electrode layer 23 and the auxiliary conductive layer 24, so that the top electrode layer 23 and the auxiliary conductive layer 24 Since the top electrode layer 23 and the auxiliary conductive layer 24 form a parallel circuit, the resistance is reduced compared to the structure with only one layer of the top electrode layer 23, thus increasing the conductivity. At the same time, because the auxiliary conductive layer 24 and the top electrode The layers 23 are electrically connected, and the conductive effect between the two is better, which further improves the conductivity.
  • the present application also provides a flexible display device, including an OLED display panel, the OLED display panel is the OLED display panel described in any of the above embodiments, the OLED display panel includes a driving circuit layer, an organic light-emitting layer, the organic The light emitting layer includes a bottom electrode layer; an organic functional layer formed on the bottom electrode layer; a top electrode layer formed on the organic functional layer; an auxiliary conductive layer disposed on the top electrode layer away from the organic functional layer It is used to assist the top electrode layer to conduct electricity.
  • the present application provides an OLED display panel and a flexible display device.
  • the OLED display panel includes a driving circuit layer and an organic light-emitting layer.
  • the organic light-emitting layer includes a bottom electrode layer; an organic functional layer formed on the bottom electrode layer.
  • a top electrode layer which is formed on the organic functional layer; an auxiliary conductive layer, which is arranged in a direction away from the organic functional layer of the top electrode layer, and is used to assist the top electrode layer to conduct electricity.

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Abstract

本申请提供一种OLED显示面板和柔性显示装置,OLED显示面板包括驱动电路层、有机发光层,有机发光层包括底电极层、有机功能层、顶电极层和辅助导电层,有机功能层形成于底电极层上,顶电极层形成于有机功能层上,辅助导电层设置在顶电极层远离有机功能层的方向上,用于辅助顶电极层导电。辅助导电层改善了顶电极层的导电性效果。

Description

OLED显示面板和柔性显示装置 技术领域
本申请涉及显示技术领域,尤其涉及一种OLED显示面板和柔性显示装置。
背景技术
在现有的顶发射结构的OLED器件中,顶电极普遍采用TCO(Transparent conductive oxide,透明导电氧化物) 薄膜,由于TCO薄膜的阻抗较高,存在较大的IR-drop(电源压降),导致产品面内亮度均一性变差。
因此,现有OLED显示器件存在顶电极导电性不高的技术问题,需要改进。
技术问题
本申请提供一种OLED显示面板,以缓解现有OLED显示器件存在顶电极导电性不高的技术问题。
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OLED显示面板,包括驱动电路层、有机发光层,所述有机发光层包括:
底电极层;
有机功能层,形成于所述底电极层上;
顶电极层,形成于所述有机功能层上;
辅助导电层,设置在所述顶电极层远离所述有机功能层的方向上,用于辅助所述顶电极层导电。
在本申请的OLED显示面板中,所述辅助导电层与所述顶电极层电连接。
在本申请的OLED显示面板中,所述OLED显示面板包括钝化层,所述钝化层形成于所述顶电极层上,所述辅助导电层设置在所述钝化层上,所述钝化层中形成有导电过孔,所述辅助导电层通过所述导电过孔与所述顶电极层电连接。
在本申请的OLED显示面板中,所述OLED显示面板还包括透明基材,所述透明基材贴合在所述钝化层上,所述辅助导电层形成于所述透明基材上,所述辅助导电层通过所述导电过孔与所述顶电极层电连接。
在本申请的OLED显示面板中,所述OLED显示面板还包括透明基材,所述透明基材贴合在所述顶电极层上,所述辅助导电层形成于所述透明基材上。
在本申请的OLED显示面板中,所述辅助导电层设置在所述顶电极层的表面上。
在本申请的OLED显示面板中,所述OLED显示面板还包括透明基材,所述辅助导电层形成于所述透明基材上,所述辅助导电层与所述顶电极层贴合。
在本申请的OLED显示面板中,所述辅助导电层与所述顶电极层在显示区或非显示区中的至少一个区域电连接。
在本申请的OLED显示面板中,所述OLED显示面板包括第一连接端子和第二连接端子,所述第一连接端子与所述顶电极层连接,所述第二连接端子与所述辅助导电层连接。
在本申请的OLED显示面板中,所述OLED显示面板包括钝化层,所述钝化层形成于所述顶电极层上,所述辅助导电层设置在所述钝化层上。
在本申请的OLED显示面板中,所述OLED显示面板还包括透明基材,所述透明基材贴合在所述钝化层上,所述辅助导电层形成于所述透明基材上。
在本申请的OLED显示面板中,所述OLED显示面板还包括透明基材,所述透明基材贴合在所述顶电极层上,所述辅助导电层形成于所述透明基材上。
在本申请的OLED显示面板中,所述OLED显示面板包括第一连接端子和第二连接端子,所述第一连接端子与所述顶电极层连接,所述第二连接端子与所述辅助导电层连接,且所述辅助导电层与所述顶电极层电连接。
在本申请的OLED显示面板中,所述OLED显示面板包括钝化层,所述钝化层形成于所述顶电极层上,所述辅助导电层设置在所述钝化层上,所述钝化层中形成有导电过孔,所述辅助导电层通过所述导电过孔与所述顶电极层电连接。
在本申请的OLED显示面板中,所述OLED显示面板还包括透明基材,所述透明基材贴合在所述钝化层上,所述辅助导电层形成于所述透明基材上,所述辅助导电层通过所述导电过孔与所述顶电极层电连接。
在本申请的OLED显示面板中,所述OLED显示面板还包括透明基材,所述透明基材贴合在所述顶电极层上,所述辅助导电层形成于所述透明基材上。
在本申请的OLED显示面板中,所述辅助导电层设置在所述顶电极层的表面上。
在本申请的OLED显示面板中,还包括透明基材,所述辅助导电层形成于所述透明基材上,所述辅助导电层与所述顶电极层贴合。
在本申请的OLED显示面板中,所述辅助导电层与所述顶电极层在显示区域或非显示区中的至少一个区域电连接。
本申请还提供一种柔性显示装置,包括OLED显示面板,所述OLED显示面板包括驱动电路层、有机发光层,所述有机发光层包括:
底电极层;
有机功能层,形成于所述底电极层上;
顶电极层,形成于所述有机功能层上;
辅助导电层,设置在所述顶电极层远离所述有机功能层的方向上,用于辅助所述顶电极层导电。
有益效果
本申请提供一种OLED显示面板和柔性显示装置,所述OLED显示面板包括驱动电路层、有机发光层,所述有机发光层包括:底电极层;有机功能层,形成于所述底电极层上;顶电极层,形成于所述有机功能层上;辅助导电层,设置在所述顶电极层远离所述有机功能层的方向上,用于辅助所述顶电极层导电。通过在顶电极层上设置辅助导电层,改善了顶电极层的导电性效果,降低了电源压降现象,提高了面板亮度的均一性。
附图说明
为了更清楚地说明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单介绍,显而易见地,下面描述中的附图仅仅是发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1为本申请实施例提供的OLED显示面板的第一种结构示意图;
图2为本申请实施例提供的OLED显示面板的第二种结构示意图;
图3为本申请实施例提供的OLED显示面板的第三种结构示意图;
图4为本申请实施例提供的OLED显示面板的第四种结构示意图;
图5为本申请实施例提供的OLED显示面板的第五种结构示意图;
图6为本申请实施例提供的OLED显示面板的第六种结构示意图;
图7为本申请实施例提供的OLED显示面板的第七种结构示意图;
图8为本申请实施例提供的OLED显示面板的第八种结构示意图;
图9为本申请实施例提供的OLED显示面板的第九种结构示意图;
图10为本申请实施例提供的OLED显示面板的第十种结构示意图;
图11为本申请实施例提供的OLED显示面板的第十一种结构示意图;
图12为本申请实施例提供的OLED显示面板的第十二种结构示意图;
图13为本申请实施例提供的OLED显示面板的第十三种结构示意图。
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。
本申请提供一种OLED显示面板,以缓解现有OLED显示面板中顶电极层导电性不高的技术问题。
如图1所示,为本申请实施例提供的OLED显示面板的第一种结构示意图。OLED显示面板包括驱动电路层10、有机发光层20、彩膜基板层30,有机发光层20包括底电极层21、有机功能层22、顶电极层23、辅助导电层24和透明基材25。
在本申请实施例中的OLED显示面板为顶发射结构,底电极层21为阳极层。
有机功能层22形成于底电极层21上,包括空穴注入层、空穴传输层、发光层、电子传输层和电子注入层。
顶电极层23形成于有机功能层22上,为透明阴极层,在一种实施例中,顶电极层23为TCO(Transparent conductive oxide) 薄膜。
在一种实施例中,空穴注入层接收阳极层传输的空穴,空穴经由空穴传输层传输至发光层,电子注入层接收阴极层传输的电子,电子经由电子传输层传输至发光层,空穴和电子在发光层位置结合后产生激子,激子由激发态跃迁至基态释放能量并发光。
辅助导电层24设置在顶电极层23远离有机功能层22的方向上,用于辅助顶电极层23导电。
辅助导电层24为透明且阻抗低的材料,在一种实施例中,辅助导电层24由金属纳米线、石墨烯、碳纳米管、纳米铜线中的至少一种构成,采用机械或真空的方式压合在顶电极层23上,之后再进行后序的封装工艺,由于辅助导电层24是先单独制备完成后再压合至OLED显示面板上,而不是直接在OLED显示面板上制备,因此与现有生产工艺兼容,且不会因制备工艺而影响面板性能。
由于辅助导电层24为透明材料且阻抗低,与顶电极层23共同设置可以在保证透过率不变的前提下,增大了顶电极层的导电性,因此可大大缓解IR-drop的现象,改善了OLED显示面板的亮度均一性。
辅助导电层24的制备工艺中,不是单独成型,而是先将透明且阻抗低的材料,如金属纳米线、石墨烯、碳纳米管、纳米铜线等,制备在透明基材25上,再将两者一起采用机械或真空的方式压合在顶电极层23上。
在一种实施例中,透明基材25贴合在顶电极层23上,辅助导电层24形成于透明基材25上。辅助导电层24与顶电极层23在OLED显示面板的显示区或非显示区中的至少一个区域电连接。
如图2所示,为本申请实施例提供的OLED显示面板的第二种结构示意图。在本实施例中,OLED显示面板包括驱动电路层10、有机发光层20、彩膜基板层30,有机发光层20包括底电极层21、有机功能层22、顶电极层23、辅助导电层24和透明基材25。
在一种实施例中,辅助导电层24形成于透明基材25上,辅助导电层24贴合在顶电极层23上,辅助导电层24与顶电极层23在OLED显示面板的显示区或非显示区中的至少一个区域电连接。
如图3所示,为本申请实施例提供的OLED显示面板的第三种结构示意图。本申请的OLED显示面板为顶发射结构,包括驱动电路层10、有机发光层20、彩膜基板层30,有机发光层20包括底电极层21、有机功能层22、顶电极层23、辅助导电层24。
在一种实施例中,先将辅助导电层24形成于透明基材上,再将两者一起采用机械或真空的方式压合在顶电极层23上,在压合后,将透明基材剥离,只留下辅助导电层24,辅助导电层24与顶电极层23在OLED显示面板的显示区或非显示区中的至少一个区域电连接。
如图4所示,为本申请实施例提供的OLED显示面板的第四种结构示意图。在本实施例中,OLED显示面板包括驱动电路层10、有机发光层20、彩膜基板层30,有机发光层20包括底电极层21、有机功能层22、顶电极层23、辅助导电层24、钝化层26。
钝化层26形成于顶电极层23上,钝化层26中形成有导电过孔261,辅助导电层24设置在钝化层26上。
在一种实施例中,先将辅助导电层24形成于透明基材上,再将两者一起采用机械或真空的方式压合在钝化层26上,在压合后,将透明基材剥离,只留下辅助导电层24,辅助导电层24与顶电极层23在OLED显示面板的显示区或非显示区中的至少一个区域内,通过导电过孔261电连接。
如图5所示,为本申请实施例提供的OLED显示面板的第五种结构示意图。在本实施例中,OLED显示面板包括驱动电路层10、有机发光层20、彩膜基板层30,有机发光层20包括底电极层21、有机功能层22、顶电极层23、辅助导电层24、透明基材25、钝化层26。
钝化层26形成于顶电极层23上,钝化层26包括第一钝化部2611和第二钝化部2612,第一钝化部2611与第二钝化部2612之间形成有导电过孔261,透明基材25贴合在钝化层26上,辅助导电层24形成于透明基材25上,辅助导电层24与顶电极层23在OLED显示面板的显示区或非显示区中的至少一个区域内,通过导电过孔261电连接。
如图6所示,为本申请实施例提供的OLED显示面板的第六种结构示意图。在本实施例中,OLED显示面板包括驱动电路层10、有机发光层20、彩膜基板层30,有机发光层20包括底电极层21、有机功能层22、顶电极层23、辅助导电层24和透明基材25。
透明基材25贴合在顶电极层23上,辅助导电层24形成于透明基材25上。
OLED显示面板还包括第一连接端子41和第二连接端子42,第一连接端子41与顶电极层23连接,第二连接端子42与辅助导电层24连接,第一连接端子41与第二连接端子42分别电连接至柔性电路板上的驱动芯片,驱动芯片向顶电极层23和辅助导电层24提供电压和电流,使顶电极层23和辅助导电层24导通,由于顶电极层23和辅助导电层24构成并联电路,相比只有顶电极层23一层的结构来讲阻值减小,因此提高了导电率。
如图7所示,为本申请实施例提供的OLED显示面板的第七种结构示意图。在本实施例中,OLED显示面板包括驱动电路层10、有机发光层20、彩膜基板层30,有机发光层20包括底电极层21、有机功能层22、顶电极层23、辅助导电层24、钝化层26。
钝化层26形成于顶电极层23上,辅助导电层24设置在钝化层26上。
在一种实施例中,先将辅助导电层24形成于透明基材上,再将两者一起采用机械或真空的方式压合在钝化层26上,在压合后,将透明基材剥离,只留下辅助导电层24。
OLED显示面板还包括第一连接端子41和第二连接端子42,第一连接端子41与顶电极层23连接,第二连接端子42与辅助导电层24连接,第一连接端子41与第二连接端子42分别电连接至柔性电路板上的驱动芯片,驱动芯片向顶电极层23和辅助导电层24提供电压和电流,使顶电极层23和辅助导电层24导通,由于顶电极层23和辅助导电层24构成并联电路,相比只有顶电极层23一层的结构来讲阻值减小,因此提高了导电率。
如图8所示,为本申请实施例提供的OLED显示面板的第八种结构示意图。在本实施例中,OLED显示面板包括驱动电路层10、有机发光层20、彩膜基板层30,有机发光层20包括底电极层21、有机功能层22、顶电极层23、辅助导电层24、透明基材25、钝化层26。
钝化层26形成于顶电极层23上,透明基材25贴合在钝化层26上,辅助导电层24形成于透明基材25上。
OLED显示面板还包括第一连接端子41和第二连接端子42,第一连接端子41与顶电极层23连接,第二连接端子42与辅助导电层24连接,第一连接端子41与第二连接端子42分别电连接至柔性电路板上的驱动芯片,驱动芯片向顶电极层23和辅助导电层24提供电压和电流,使顶电极层23和辅助导电层24导通,由于顶电极层23和辅助导电层24构成并联电路,相比只有顶电极层23一层的结构来讲阻值减小,因此提高了导电率。
如图9所示,为本申请实施例提供的OLED显示面板的第九种结构示意图。在本实施例中,OLED显示面板包括驱动电路层10、有机发光层20、彩膜基板层30,有机发光层20包括底电极层21、有机功能层22、顶电极层23、辅助导电层24和透明基材25。
透明基材25贴合在顶电极层23上,辅助导电层24形成于透明基材25上。辅助导电层24与顶电极层23在OLED显示面板的显示区或非显示区中的至少一个区域电连接。
OLED显示面板还包括第一连接端子41和第二连接端子42,第一连接端子41与顶电极层23连接,第二连接端子42与辅助导电层24连接。
第一连接端子41与第二连接端子42分别电连接至柔性电路板上的驱动芯片,驱动芯片向顶电极层23和辅助导电层24提供电压和电流,使顶电极层23和辅助导电层24导通,由于顶电极层23和辅助导电层24构成并联电路,相比只有顶电极层23一层的结构来讲阻值减小,因此提高了导电率,同时由于辅助导电层24与顶电极层23之间电连接,两者之间导电效果更好,进一步提高了导电率。
如图10所示,为本申请实施例提供的OLED显示面板的第十种结构示意图。在本实施例中,OLED显示面板包括驱动电路层10、有机发光层20、彩膜基板层30,有机发光层20包括底电极层21、有机功能层22、顶电极层23、辅助导电层24和透明基材25。
在一种实施例中,辅助导电层24形成于透明基材25上,辅助导电层24贴合在顶电极层23上,辅助导电层24与顶电极层23在OLED显示面板的显示区或非显示区中的至少一个区域电连接。
OLED显示面板还包括第一连接端子41和第二连接端子42,第一连接端子41与顶电极层23连接,第二连接端子42与辅助导电层24连接。
第一连接端子41与第二连接端子42分别电连接至柔性电路板上的驱动芯片,驱动芯片向顶电极层23和辅助导电层24提供电压和电流,使顶电极层23和辅助导电层24导通,由于顶电极层23和辅助导电层24构成并联电路,相比只有顶电极层23一层的结构来讲阻值减小,因此提高了导电率,同时由于辅助导电层24与顶电极层23之间电连接,两者之间导电效果更好,进一步提高了导电率。
如图11所示,为本申请实施例提供的OLED显示面板的第十一种结构示意图。本申请的OLED显示面板为顶发射结构,包括驱动电路层10、有机发光层20、彩膜基板层30,有机发光层20包括底电极层21、有机功能层22、顶电极层23、辅助导电层24。
在一种实施例中,先将辅助导电层24形成于透明基材上,再将两者一起采用机械或真空的方式压合在顶电极层23上,在压合后,将透明基材剥离,只留下辅助导电层24,辅助导电层24与顶电极层23在OLED显示面板的显示区或非显示区中的至少一个区域电连接。
OLED显示面板还包括第一连接端子41和第二连接端子42,第一连接端子41与顶电极层23连接,第二连接端子42与辅助导电层24连接。
第一连接端子41与第二连接端子42分别电连接至柔性电路板上的驱动芯片,驱动芯片向顶电极层23和辅助导电层24提供电压和电流,使顶电极层23和辅助导电层24导通,由于顶电极层23和辅助导电层24构成并联电路,相比只有顶电极层23一层的结构来讲阻值减小,因此提高了导电率,同时由于辅助导电层24与顶电极层23之间电连接,两者之间导电效果更好,进一步提高了导电率。
如图12所示,为本申请实施例提供的OLED显示面板的第十二种结构示意图。在本实施例中,OLED显示面板包括驱动电路层10、有机发光层20、彩膜基板层30,有机发光层20包括底电极层21、有机功能层22、顶电极层23、辅助导电层24、钝化层26。
钝化层26形成于顶电极层23上,钝化层26中形成有导电过孔261,辅助导电层24设置在钝化层26上。
在一种实施例中,先将辅助导电层24形成于透明基材上,再将两者一起采用机械或真空的方式压合在钝化层26上,在压合后,将透明基材剥离,只留下辅助导电层24,辅助导电层24与顶电极层23在OLED显示面板的显示区或非显示区中的至少一个区域内,通过导电过孔261电连接。
OLED显示面板还包括第一连接端子41和第二连接端子42,第一连接端子41与顶电极层23连接,第二连接端子42与辅助导电层24连接。
第一连接端子41与第二连接端子42分别电连接至柔性电路板上的驱动芯片,驱动芯片向顶电极层23和辅助导电层24提供电压和电流,使顶电极层23和辅助导电层24导通,由于顶电极层23和辅助导电层24构成并联电路,相比只有顶电极层23一层的结构来讲阻值减小,因此提高了导电率,同时由于辅助导电层24与顶电极层23之间电连接,两者之间导电效果更好,进一步提高了导电率。
如图13所示,为本申请实施例提供的OLED显示面板的第十三种结构示意图。在本实施例中,OLED显示面板包括驱动电路层10、有机发光层20、彩膜基板层30,有机发光层20包括底电极层21、有机功能层22、顶电极层23、辅助导电层24、透明基材25、钝化层26。
钝化层26形成于顶电极层23上,钝化层26包括第一钝化部2611和第二钝化部2612,第一钝化部2611与第二钝化部2612之间形成有导电过孔261,透明基材25贴合在钝化层26上,辅助导电层24形成于透明基材25上,辅助导电层24与顶电极层23在OLED显示面板的显示区或非显示区中的至少一个区域内,通过导电过孔261电连接。
OLED显示面板还包括第一连接端子41和第二连接端子42,第一连接端子41与顶电极层23连接,第二连接端子42与辅助导电层24连接。
第一连接端子41与第二连接端子42分别电连接至柔性电路板上的驱动芯片,驱动芯片向顶电极层23和辅助导电层24提供电压和电流,使顶电极层23和辅助导电层24导通,由于顶电极层23和辅助导电层24构成并联电路,相比只有顶电极层23一层的结构来讲阻值减小,因此提高了导电率,同时由于辅助导电层24与顶电极层23之间电连接,两者之间导电效果更好,进一步提高了导电率。
本申请还提供一种柔性显示装置,包括OLED显示面板,所述OLED显示面板为上述任一实施例所述的OLED显示面板,所述OLED显示面板包括驱动电路层、有机发光层,所述有机发光层包括底电极层;有机功能层,形成于所述底电极层上;顶电极层,形成于所述有机功能层上;辅助导电层,设置在所述顶电极层远离所述有机功能层的方向上,用于辅助所述顶电极层导电。
根据上述实施例可知:
本申请提供一种OLED显示面板和柔性显示装置,所述OLED显示面板包括驱动电路层、有机发光层,所述有机发光层包括:底电极层;有机功能层,形成于所述底电极层上;顶电极层,形成于所述有机功能层上;辅助导电层,设置在所述顶电极层远离所述有机功能层的方向上,用于辅助所述顶电极层导电。通过在顶电极层上设置辅助导电层,改善了顶电极层的导电性效果,降低了IR-drop(电源压降)现象,提高了面板亮度的均一性。
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 (20)

  1. 一种OLED显示面板,其包括驱动电路层、有机发光层,所述有机发光层包括:
    底电极层;
    有机功能层,形成于所述底电极层上;
    顶电极层,形成于所述有机功能层上;
    辅助导电层,设置在所述顶电极层远离所述有机功能层的方向上,用于辅助所述顶电极层导电。
  2. 如权利要求1所述的OLED显示面板,其中,所述辅助导电层与所述顶电极层电连接。
  3. 如权利要求2所述的OLED显示面板,其中,所述OLED显示面板包括钝化层,所述钝化层形成于所述顶电极层上,所述辅助导电层设置在所述钝化层上,所述钝化层中形成有导电过孔,所述辅助导电层通过所述导电过孔与所述顶电极层电连接。
  4. 如权利要求3所述的OLED显示面板,其中,所述OLED显示面板还包括透明基材,所述透明基材贴合在所述钝化层上,所述辅助导电层形成于所述透明基材上,所述辅助导电层通过所述导电过孔与所述顶电极层电连接。
  5. 如权利要求2所述的OLED显示面板,其中,所述OLED显示面板还包括透明基材,所述透明基材贴合在所述顶电极层上,所述辅助导电层形成于所述透明基材上。
  6. 如权利要求2所述的OLED显示面板,其中,所述辅助导电层设置在所述顶电极层的表面上。
  7. 如权利要求6所述的OLED显示面板,其中,所述OLED显示面板还包括透明基材,所述辅助导电层形成于所述透明基材上,所述辅助导电层与所述顶电极层贴合。
  8. 如权利要求2至7任一项所述的OLED显示面板,其中,所述辅助导电层与所述顶电极层在显示区或非显示区中的至少一个区域电连接。
  9. 如权利要求1所述的OLED显示面板,其中,所述OLED显示面板包括第一连接端子和第二连接端子,所述第一连接端子与所述顶电极层连接,所述第二连接端子与所述辅助导电层连接。
  10. 如权利要求9所述的OLED显示面板,其中,所述OLED显示面板包括钝化层,所述钝化层形成于所述顶电极层上,所述辅助导电层设置在所述钝化层上。
  11. 如权利要求10所述的OLED显示面板,其中,所述OLED显示面板还包括透明基材,所述透明基材贴合在所述钝化层上,所述辅助导电层形成于所述透明基材上。
  12. 如权利要求9所述的OLED显示面板,其中,所述OLED显示面板还包括透明基材,所述透明基材贴合在所述顶电极层上,所述辅助导电层形成于所述透明基材上。
  13. 如权利要求1所述的OLED显示面板,其中,所述OLED显示面板包括第一连接端子和第二连接端子,所述第一连接端子与所述顶电极层连接,所述第二连接端子与所述辅助导电层连接,且所述辅助导电层与所述顶电极层电连接。
  14. 如权利要求13所述的OLED显示面板,其中,所述OLED显示面板包括钝化层,所述钝化层形成于所述顶电极层上,所述辅助导电层设置在所述钝化层上,所述钝化层中形成有导电过孔,所述辅助导电层通过所述导电过孔与所述顶电极层电连接。
  15. 如权利要求14所述的OLED显示面板,其中,所述OLED显示面板还包括透明基材,所述透明基材贴合在所述钝化层上,所述辅助导电层形成于所述透明基材上,所述辅助导电层通过所述导电过孔与所述顶电极层电连接。
  16. 如权利要求13所述的OLED显示面板,其中,所述OLED显示面板还包括透明基材,所述透明基材贴合在所述顶电极层上,所述辅助导电层形成于所述透明基材上。
  17. 如权利要求13所述的OLED显示面板,其中,所述辅助导电层设置在所述顶电极层的表面上。
  18. 如权利要求17所述的OLED显示面板,其中,还包括透明基材,所述辅助导电层形成于所述透明基材上,所述辅助导电层与所述顶电极层贴合。
  19. 如权利要求14所述的OLED显示面板,其中,所述辅助导电层与所述顶电极层在显示区域或非显示区中的至少一个区域电连接。
  20. 一种柔性显示装置,包括OLED显示面板,所述OLED显示面板包括驱动电路层、有机发光层,所述有机发光层包括:
    底电极层;
    有机功能层,形成于所述底电极层上;
    顶电极层,形成于所述有机功能层上;
    辅助导电层,设置在所述顶电极层远离所述有机功能层的方向上,用于辅助所述顶电极层导电。
PCT/CN2019/079007 2019-02-12 2019-03-21 Oled 显示面板和柔性显示装置 WO2020164174A1 (zh)

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