WO2021082058A1 - 显示面板及其制作方法 - Google Patents

显示面板及其制作方法 Download PDF

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Publication number
WO2021082058A1
WO2021082058A1 PCT/CN2019/116725 CN2019116725W WO2021082058A1 WO 2021082058 A1 WO2021082058 A1 WO 2021082058A1 CN 2019116725 W CN2019116725 W CN 2019116725W WO 2021082058 A1 WO2021082058 A1 WO 2021082058A1
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Prior art keywords
electrode
pixel
organic
layer
display panel
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PCT/CN2019/116725
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English (en)
French (fr)
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艾娜
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深圳市华星光电半导体显示技术有限公司
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Priority to US16/620,110 priority Critical patent/US20210359004A1/en
Publication of WO2021082058A1 publication Critical patent/WO2021082058A1/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
    • H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K65/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element and at least one organic radiation-sensitive element, e.g. organic opto-couplers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
    • H10K30/80—Constructional details
    • H10K30/88—Passivation; Containers; Encapsulations
    • 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
    • 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
    • H10K59/80—Constructional details
    • H10K59/87—Passivation; Containers; Encapsulations
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/10—Deposition of organic active material
    • H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
    • 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
    • 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
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/549—Organic PV cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention relates to the field of display technology, in particular to a display panel and a manufacturing method thereof.
  • Solutions usually include: cutting out the notched profile screen, or placing the component under the active matrix organic light-emitting diode (AMOLED) panel.
  • AMOLED active matrix organic light-emitting diode
  • OLED organic electroluminescent diode devices
  • OPD organic photodetectors
  • the purpose of the present invention is to provide a display panel and a manufacturing method thereof, which solves the problem of integrating an organic electroluminescent diode device (OLED) and an organic photodetector (OPD), using organic electroluminescent diode sub-pixels
  • OLED organic electroluminescent diode device
  • OPD organic photodetector
  • the present invention provides a display panel including a substrate, an organic electroluminescent diode device and an organic photodetector on the substrate, the organic photodetector being similar to the organic electroluminescent diode device. Neighborhood settings.
  • the organic electroluminescent diode device includes a blue sub-pixel, a red sub-pixel, and a green sub-pixel; the organic photodetector and the green sub-pixel are arranged in the same row or the same column.
  • the blue sub-pixel, the red sub-pixel, and the green sub-pixel all include a first electrode, a light-emitting layer, and a second electrode that are sequentially stacked from bottom to top; the first electrode is provided on the On the substrate; the light-emitting layer is provided on the first electrode; the second electrode is provided on the light-emitting layer.
  • the blue sub-pixel, the red sub-pixel, and the green sub-pixel all further include: a hole injection layer, a hole transport layer, an electron transport layer, and an electron injection layer; specifically, the empty The hole injection layer is provided on the first electrode; the hole transport layer is provided on the hole injection layer; the light-emitting layer is provided on the hole transport layer; the electron transport layer is provided on the On the light-emitting layer; the electron injection layer is arranged on the electron transport layer; the second electrode is arranged on the electron injection layer.
  • the organic photodetector includes a first electrode, an organic semiconductor functional layer, and a second electrode that are stacked; specifically, the first electrode is provided on the substrate; the organic semiconductor functional layer is provided on On the first electrode; the second electrode is arranged on the organic semiconductor functional layer.
  • a passivation layer is further included on the organic electroluminescent diode device and the organic photodetector.
  • the present invention also provides a manufacturing method of a display panel, including the following steps:
  • An organic photodetector is fabricated on the substrate, and the organic photodetector is arranged adjacent to the organic electroluminescent diode device.
  • the manufacturing of the organic electroluminescent diode device includes the steps:
  • the manufacturing of the blue sub-pixel, the red sub-pixel, and the green sub-pixel specifically includes sequentially depositing a first electrode, a hole injection layer, a hole transport layer, a light emitting layer, and electrons by vacuum evaporation, spin coating, or inkjet printing. Transport layer, electron injection layer and second electrode;
  • the organic photodetector and the green sub-pixel are arranged in the same row or column.
  • the manufacturing of the organic photodetector includes the steps:
  • a second electrode is fabricated on the organic semiconductor functional layer by vacuum evaporation, spin coating or inkjet printing.
  • the method further includes the following steps:
  • a passivation layer is formed on the organic electroluminescent diode device and the organic photodetector.
  • the beneficial effect of the present invention is to provide a display panel and a manufacturing method thereof, which realize the integration of an organic electroluminescent diode device (OLED) and an organic photodetector (OPD), and the use of organic electroluminescent diode sub-pixels ( The light emitted by RGB) realizes the automatic detection of the sub-pixels of the organic photodetector, increases the screen-to-body ratio, and can be applied to fingerprints, heart rate, blood oxygen, distance sensing, etc.
  • OLED organic electroluminescent diode device
  • OPD organic photodetector
  • FIG. 1 is a schematic diagram of a planar structure of a pixel unit of a display panel in the first embodiment of the present invention
  • FIG. 2 is a schematic diagram of a cross-sectional structure of a display panel in the first embodiment of the present invention
  • FIG. 3 is a flowchart of a manufacturing method of a display panel in the first embodiment of the present invention.
  • Fig. 4 is a flow chart of the steps of manufacturing the organic photodetector described in Fig. 3;
  • FIG. 5 is a schematic diagram of a planar structure of a pixel unit of a display panel in the second embodiment of the present invention.
  • FIG. 6 is a flowchart of a manufacturing method of a display panel in the second embodiment of the present invention.
  • Substrate 20, organic electroluminescent diode device, 30, organic photodetector,
  • Organic semiconductor functional layer 100, display panel, 101, pixel unit,
  • a display panel 100 which includes a substrate 10, an organic electroluminescent diode device 20 and an organic photodetector 30 on the substrate 10.
  • the organic photodetector 30 is arranged adjacent to the organic electroluminescent diode device 20.
  • the material of the substrate 10 includes glass, plastic or flexible substrate material.
  • the flexible substrate material includes polyimide (PI), polyethersulfone (PES), polyacrylate (PAR), polyetherimide (PEI), polyethylene naphthalate (PEN), Polyethylene terephthalate (PET), polyphenylene sulfide (PPS), polyallyl (Polyallylate), polycarbonate (PC), cellulose triacetate (TAC), cellulose acetate propionate (CAP) ) Or a combination of one or more of acrylate (Acrylamide). Since polyimide is one of the organic polymer materials with the best overall performance, the flexible material has good optical, chemical resistance, water and oxygen and oxygen resistance properties. Therefore, the flexible substrate material in this embodiment is preferably polyimide Imide material.
  • the organic photodetector 30 and the organic electroluminescent diode device 20 in the display panel 100 are interlaced and integrated.
  • the organic electroluminescent diode device 20 includes a blue sub-pixel 201, a red sub-pixel 202, and a green sub-pixel 203; in FIG. 1, the photodetection pixel 301 of the organic photodetector 30 is The green sub-pixels 203 are arranged in the same row and the red sub-pixels 202 are arranged in the same column.
  • the blue sub-pixel 201, the red sub-pixel 202, the green sub-pixel 203, and the photodetection pixel 301 jointly form a pixel unit 101.
  • the blue sub-pixel 201, the red sub-pixel 202, and the green sub-pixel 203 all include a first electrode 21, a light-emitting layer 24, and a The second electrode 27; the first electrode 21 is provided on the substrate 10; the light-emitting layer 24 is provided on the first electrode 21; the second electrode 27 is provided on the light-emitting layer 24.
  • the blue sub-pixel 201, the red sub-pixel 202, and the green sub-pixel 203 all further include: a hole injection layer 22, a hole transport layer 23, and electron transport Layer 25 and electron injection layer 26; specifically, the hole injection layer 22 is provided on the first electrode 21; the hole transport layer 23 is provided on the hole injection layer 22; the luminescence The layer 24 is provided on the hole transport layer 23; the electron transport layer 25 is provided on the light-emitting layer 24; the electron injection layer 26 is provided on the electron transport layer 25; the second electrode 27 It is provided on the electron injection layer 26.
  • the thickness of the first electrode 21, the hole injection layer 22, the hole transport layer 23, the light emitting layer 24, the electron transport layer 25, the electron injection layer 26, and the second electrode 27 ranges from 10 nm to 200 nm.
  • the organic photodetector 30 includes a first electrode 21, an organic semiconductor functional layer 31, and a second electrode 27 that are stacked; specifically, the first electrode 21 is located at On the substrate 10; the organic semiconductor functional layer 31 is provided on the first electrode 21; the second electrode 27 is provided on the organic semiconductor functional layer 31.
  • the first electrode 21, the organic semiconductor functional layer 31 and the second electrode 27 are manufactured by vacuum evaporation, spin coating or inkjet printing.
  • a passivation layer 40 is further included on the organic electroluminescent diode device 20 and the organic photodetector 30. It can be understood that the passivation layer is specifically provided on the second electrode 27 to isolate water and oxygen.
  • the present invention also provides a manufacturing method of the display panel 100, which includes the following steps:
  • the material of the substrate 10 includes glass, plastic or flexible substrate material;
  • the step S2 of manufacturing the organic electroluminescent diode device 20 includes the following steps:
  • the first electrode 21, the hole injection layer 22, the hole transport layer 23, the light-emitting layer 24, the electron transport layer 25, the electron injection layer 26, and the second electrode 27 are deposited sequentially by means of inkjet printing; the first electrode 21 The thickness of the hole injection layer 22, the hole transport layer 23, the light-emitting layer 24, the electron transport layer 25, the electron injection layer 26 and the second electrode 27 ranges from 10 nm to 200 nm; wherein the organic photodetector 30 and the The green sub-pixels 203 are arranged in the same row or the same column.
  • the step S3 of manufacturing the organic photodetector 30 includes the following steps:
  • the method further includes the following steps:
  • the passivation layer is specifically provided on the second electrode 27 to isolate water and oxygen.
  • the second embodiment includes most of the technical features of the first embodiment.
  • the difference is that the photodetection pixel 301 of the organic photodetector 30 in the second embodiment is different from the photodetection pixel 301 of the organic photodetector 30 in the second embodiment.
  • the green sub-pixels 203 are arranged in the same column, instead of the photodetection pixels 301 of the organic photodetector 30 and the green sub-pixels 203 arranged in the same row in the first embodiment.
  • the organic photodetector 30 and the green sub-pixel 203 are arranged in the same row or the same column.
  • an organic electroluminescent diode device is fabricated on the substrate 10 20 and the organic photodetector 30 may also include the steps:
  • the region dividing step, fabricating blue sub-pixels 201, red sub-pixels 202, and green sub-pixels 203 on the substrate 10, and the organic photodetector 30 and the green sub-pixels 203 are arranged in the same row or the same column ;
  • the step of fabricating the first electrode 21 is to fabricate the first electrode 21 on the substrate 10 by vacuum evaporation, spin coating or inkjet printing, and the first electrode 21 is located in the blue sub-pixel 201 and the red sub-pixel 201.
  • the first electrode 21, the light-emitting layer 24, and the second electrode 27 form the organic electroluminescent diode device 20, and the first electrode 21, the organic semiconductor functional layer 31, and the second electrode The two electrodes 27 form the organic photodetector 30.
  • step S30 before the step of making the light-emitting layer 24, it further includes vacuum evaporation on the first electrode 21 at the positions of the blue sub-pixel 201, the red sub-pixel 202, and the green sub-pixel 203.
  • the hole injection layer 22 and the hole transport layer 23 are sequentially deposited by spin coating or inkjet printing.
  • the ink printing method deposits the electron transport layer 25 and the electron injection layer 26 sequentially.
  • the thickness of the first electrode 21, the hole injection layer 22, the hole transport layer 23, the light emitting layer 24, the electron transport layer 25, the electron injection layer 26, and the second electrode 27 ranges from 10 nm to 200 nm.
  • the technical effect of the present invention is to provide a display panel and a manufacturing method thereof, which realize the integration of an organic electroluminescent diode device (OLED) and an organic photodetector (OPD), using organic electroluminescent diode sub-pixels (
  • OLED organic electroluminescent diode device
  • OPD organic photodetector
  • the light emitted by RGB realizes the automatic detection of the sub-pixels of the organic photodetector, increases the screen-to-body ratio, and can be applied to fingerprints, heart rate, blood oxygen, distance sensing, etc.

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Abstract

一种显示面板（100）及其制作方法，显示面板（100）包括基板（10）、位于基板（10）上的有机电致发光二极管器件（20）和有机光电探测器（30），有机光电探测器（30）与有机电致发光二极管器件（20）相邻设置。

Description

显示面板及其制作方法 技术领域
本发明涉及显示技术领域，尤其涉及一种显示面板及其制作方法。
 背景技术
目前的智能手机，平板电脑等移动设备追求高的屏占比，然而独立的前置指纹识别、距离传感器和前置摄像头等电子元件不可避免地挤占了显示屏的空间。
解决方案通常有：通过切割出缺口的异形屏，或者将元件放置在有源矩阵有机发光二极管（AMOLED）面板下面。
不同类型的有机器件的组合对于使用有机超薄膜器件实现智能可穿戴和医疗系统的多种电子功能是至关重要的。
因此，如何合理的将有机电致发光二极管器件（OLED）和有机光电探测器（OPD）集成在一个玻璃或者塑料基板上，以便应用于脉搏血氧仪和肌肉收缩传感器等方面是亟待解决的技术问题。
 技术问题
本发明的目的在于，提供一种显示面板及其制作方法，解决了将有机电致发光二极管器件（OLED）和有机光电探测器（OPD）集成于一体的问题，利用有机电致发光二极管子像素发出的光，实现了有机光电探测器子像素的自动探测，提高了屏占比。
 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，包括基板、位于所述基板上的有机电致发光二极管器件和有机光电探测器，所述有机光电探测器与所述有机电致发光二极管器件相邻设置。
进一步地，所述有机电致发光二极管器件包括蓝色子像素、红色子像素以及绿色子像素；所述有机光电探测器与所述绿色子像素设置在同一行或同一列。
进一步地，所述蓝色子像素、所述红色子像素以及所述绿色子像素均包括从下至上依次层叠设置的第一电极、发光层以及第二电极；所述第一电极设于所述基板上；所述发光层设于所述第一电极上；所述第二电极设于所述发光层上。
进一步地，所述蓝色子像素、所述红色子像素以及所述绿色子像素均还包括：空穴注入层、空穴传输层、电子传输层和电子注入层；具体地讲，所述空穴注入层设于所述第一电极上；所述空穴传输层设于所述空穴注入层上；所述发光层设于所述空穴传输层上；所述电子传输层设于所述发光层上；所述电子注入层设于所述电子传输层上；所述第二电极设于所述电子注入层上。
进一步地，所述有机光电探测器包括层叠设置的第一电极、有机半导体功能层以及第二电极；具体的讲，所述第一电极设于所述基板上；所述有机半导体功能层设于所述第一电极上；所述第二电极设于所述有机半导体功能层上。
进一步地，在所述有机电致发光二极管器件和所述有机光电探测器上还包括钝化层。
本发明还提供一种显示面板的制作方法，包括以下步骤：
提供一基板；
在所述基板上制作有机电致发光二极管器件；以及
在所述基板上制作有机光电探测器，且所述有机光电探测器与所述有机电致发光二极管器件相邻设置。
进一步地，所述制作有机电致发光二极管器件包括步骤：
在所述基板上制作蓝色子像素、红色子像素以及绿色子像素；
所述制作蓝色子像素、红色子像素以及绿色子像素具体包括通过真空蒸镀、旋涂或喷墨打印的方式依次沉积第一电极、空穴注入层、空穴传输层、发光层、电子传输层、电子注入层和第二电极；
其中所述有机光电探测器与所述绿色子像素设置在同一行或同一列。
进一步地，所述制作有机光电探测器包括步骤：
在所述基板上通过真空蒸镀、旋涂或喷墨打印的方式制作第一电极；
在所述第一电极上通过真空蒸镀、旋涂或喷墨打印的方式制作有机半导体功能层；以及
在所述有机半导体功能层上通过真空蒸镀、旋涂或喷墨打印的方式制作第二电极。
进一步地，在制作有机电致发光二极管器件和有机光电探测器步骤之后还包括步骤：
在所述有机电致发光二极管器件和所述有机光电探测器上制作钝化层。
 有益效果
本发明的有益效果是：提供一种显示面板及其制作方法，实现了将有机电致发光二极管器件（OLED）和有机光电探测器（OPD）集成于一体，利用有机电致发光二极管子像素（RGB）发出的光，实现了有机光电探测器子像素的自动探测，提高了屏占比，可应用于指纹、心率、血氧、距离传感等方面。
 附图说明
图1为本发明的第一实施例中一种显示面板的像素单元平面结构示意图；
图2为本发明的第一实施例中一种显示面板的截面结构示意图；
图3为本发明的第一实施例中一种显示面板的制作方法的流程图；
图4为图3中所述制作有机光电探测器步骤的流程图；
图5为本发明的第二实施例中一种显示面板的像素单元平面结构示意图；
图6为本发明的第二实施例中一种显示面板的制作方法的流程图。
图中部件标识如下：
10、基板，20、有机电致发光二极管器件，30、有机光电探测器，
21、第一电极，22、空穴注入层，23、空穴传输层，24、发光层，
25、电子传输层，26、电子注入层，27、第二电极，
31、有机半导体功能层，100、显示面板，101、像素单元，
201、蓝色子像素，202、红色子像素，203、绿色子像素，
301、光电探测像素。
 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。
实施例1
请参阅图1、图2所示，本发明的第一实施例中提供一种显示面板100，包括基板10、位于所述基板10上的有机电致发光二极管器件20和有机光电探测器30，所述有机光电探测器30与所述有机电致发光二极管器件20相邻设置。
所述基板10的材质包括玻璃、塑料或柔性衬底材料。所述柔性衬底材料包括聚酰亚胺（PI）、聚醚砜（PES）、聚丙烯酸酯（PAR）、聚醚酰亚胺（PEI）、聚萘二甲酸乙二醇酯（PEN）、聚对苯二甲酸乙二酯（PET）、聚苯硫醚（PPS）、聚烯丙基（Polyallylate）、聚碳酸酯（PC）、三醋酸纤维素（TAC）、醋酸丙酸纤维素（CAP）或丙烯酸酯（Acrylamide）中的一种或者多种的组合。由于聚酰亚胺是综合性能最佳的有机高分子材料之一，使得柔性材料具有良好的光学，耐化以及阻水阻氧等性能，因此，本实施例中所述柔性衬底材料优选聚酰亚胺材质。
如图1所示，所述显示面板100中的所述有机光电探测器30与所述有机电致发光二极管器件20相互交错集成于一体。本实施例中，所述有机电致发光二极管器件20包括蓝色子像素201、红色子像素202以及绿色子像素203；在图1中，所述有机光电探测器30的光电探测像素301与所述绿色子像素203设置在同一行且与所述红色子像素202设置在同一列。所述蓝色子像素201、所述红色子像素202、所述绿色子像素203以及所述光电探测像素301共同形成像素单元101。
如图2所示，本实施例中，所述蓝色子像素201、所述红色子像素202以及所述绿色子像素203均包括从下至上依次层叠设置的第一电极21、发光层24以及第二电极27；所述第一电极21设于所述基板10上；所述发光层24设于所述第一电极21上；所述第二电极27设于所述发光层24上。
如图2所示，本实施例中，所述蓝色子像素201、所述红色子像素202以及所述绿色子像素203均还包括：空穴注入层22、空穴传输层23、电子传输层25和电子注入层26；具体地讲，所述空穴注入层22设于所述第一电极21上；所述空穴传输层23设于所述空穴注入层22上；所述发光层24设于所述空穴传输层23上；所述电子传输层25设于所述发光层24上；所述电子注入层26设于所述电子传输层25上；所述第二电极27设于所述电子注入层26上。
所述第一电极21、空穴注入层22、空穴传输层23、发光层24、电子传输层25、电子注入层26以及第二电极27的厚度范围为10nm-200nm。
如图2所示，本实施例中，所述有机光电探测器30包括层叠设置的第一电极21、有机半导体功能层31以及第二电极27；具体的讲，所述第一电极21设于所述基板10上；所述有机半导体功能层31设于所述第一电极21上；所述第二电极27设于所述有机半导体功能层31上。所述第一电极21、所述有机半导体功能层31和所述第二电极27通过真空蒸镀、旋涂或喷墨打印的方式制作。
如图2所示，本实施例中，在所述有机电致发光二极管器件20和所述有机光电探测器30上还包括钝化层40。可以理解的是，所述钝化层具体设于所述第二电极27上，起到隔绝水氧的作用。
请再参阅图3所示，本发明还提供一种显示面板100的制作方法，包括以下步骤：
S1、提供一基板10；所述基板10的材质包括玻璃、塑料或柔性衬底材料；
S2、在所述基板10上制作有机电致发光二极管器件20；以及
S3、在所述基板10上制作有机光电探测器30，且所述有机光电探测器30与所述有机电致发光二极管器件20相邻设置。
本实施例中，所述制作有机电致发光二极管器件20步骤S2包括步骤：
在所述基板10上制作蓝色子像素201、红色子像素202以及绿色子像素203；所述制作蓝色子像素201、红色子像素202以及绿色子像素203具体包括通过真空蒸镀、旋涂或喷墨打印的方式依次沉积第一电极21、空穴注入层22、空穴传输层23、发光层24、电子传输层25、电子注入层26和第二电极27；所述第一电极21、空穴注入层22、空穴传输层23、发光层24、电子传输层25、电子注入层26以及第二电极27的厚度范围为10nm~200nm；其中所述有机光电探测器30与所述绿色子像素203设置在同一行或同一列。
请再参阅图4所示，本实施例中，所述制作有机光电探测器30步骤S3包括步骤：
S31、在所述基板10上通过真空蒸镀、旋涂或喷墨打印的方式制作第一电极21；
S32、在所述第一电极21上通过真空蒸镀、旋涂或喷墨打印的方式制作有机半导体功能层31；以及
S33、在所述有机半导体功能层31上通过真空蒸镀、旋涂或喷墨打印的方式制作第二电极27。
本实施例中，在制作有机电致发光二极管器件20步骤S2和有机光电探测器30步骤S3之后还包括步骤：
S4、在所述有机电致发光二极管器件20和所述有机光电探测器30上制作钝化层。
可以理解的是，所述钝化层具体设于所述第二电极27上，起到隔绝水氧的作用。
实施例2
请参阅图5所示，在第二实施例中包括第一实施例中大部分的技术特征，其区别在于，第二实施例中的所述有机光电探测器30的光电探测像素301与所述绿色子像素203设置在同一列，而不是在第一实施例中所述有机光电探测器30的光电探测像素301与所述绿色子像素203设置在同一行。
可以看出，在第一实施例图1以及第二实施例图5中，所述有机光电探测器30与所述绿色子像素203设置在同一行或同一列。
可以理解的是，在所述显示面板100的制作方法中步骤的顺序可不做严格限定，请参阅图6所示，在第二实施例中，在所述基板10上制作有机电致发光二极管器件20以及有机光电探测器30也可包括步骤：
S10、区域划分步骤，在所述基板10上制作蓝色子像素201、红色子像素202以及绿色子像素203，所述有机光电探测器30与所述绿色子像素203设置在同一行或同一列；
S20、制作第一电极21步骤，在所述基板10上通过真空蒸镀、旋涂或喷墨打印的方式制作第一电极21，所述第一电极21位于所述蓝色子像素201、红色子像素202、绿色子像素203以及所述有机光电探测器30所在区域；
S30、制作发光层24和有机半导体功能层31步骤，在所述第一电极21上通过真空蒸镀、旋涂或喷墨打印的方式制作发光层24和有机半导体功能层31，所述发光层24位于所述蓝色子像素201、红色子像素202和绿色子像素203所在区域，所述有机半导体功能层31位于所述有机光电探测器30所在区域；以及
S40、制作第二电极27步骤，在所述发光层24和所述有机半导体功能层31上通过真空蒸镀、旋涂或喷墨打印的方式制作第二电极27；
其中，所述第一电极21、所述发光层24以及所述第二电极27形成所述有机电致发光二极管器件20，所述第一电极21、所述有机半导体功能层31以及所述第二电极27形成所述有机光电探测器30。
具体的，在步骤S30中，在制作所述发光层24步骤之前还包括在所述蓝色子像素201、红色子像素202以及绿色子像素203位置的所述第一电极21上通过真空蒸镀、旋涂或喷墨打印的方式依次沉积空穴注入层22和空穴传输层23，在制作所述发光层24步骤之后还包括在所述发光层24上通过真空蒸镀、旋涂或喷墨打印的方式依次沉积电子传输层25和电子注入层26。
所述第一电极21、空穴注入层22、空穴传输层23、发光层24、电子传输层25、电子注入层26以及第二电极27的厚度范围为10nm-200nm。
由此可知，以上两种实施例中的表述方式均是所述的显示面板100的制作方法的制作步骤顺序不同的描述，只要能够完成制作所述显示面板100其各种制作步骤顺序的组合均属于本发明保护范围。
本发明的技术效果在于，提供一种显示面板及其制作方法，实现了将有机电致发光二极管器件（OLED）和有机光电探测器（OPD）集成于一体，利用有机电致发光二极管子像素（RGB）发出的光，实现了有机光电探测器子像素的自动探测，提高了屏占比，可应用于指纹、心率、血氧、距离传感等方面。
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：
    基板；
    有机电致发光二极管器件，位于所述基板上；以及
    有机光电探测器，位于所述基板上且与所述有机电致发光二极管器件相邻设置。
  2. 根据权利要求1所述的显示面板，其中，所述有机电致发光二极管器件包括蓝色子像素、红色子像素以及绿色子像素；所述有机光电探测器与所述绿色子像素设置在同一行或同一列。
  3. 如权利要求2所述的显示面板，其中，所述蓝色子像素、所述红色子像素以及所述绿色子像素均包括：
    第一电极，设于所述基板上；
    发光层，设于所述第一电极上；以及
    第二电极，设于所述发光层上。
  4. 根据权利要求3所述的显示面板，其中，所述蓝色子像素、所述红色子像素以及所述绿色子像素均还包括：
    空穴注入层，设于所述第一电极上；
    空穴传输层，设于所述空穴注入层上；
    所述发光层设于所述空穴传输层上；
    电子传输层，设于所述发光层上；
    电子注入层，设于所述电子传输层上；以及
    所述第二电极设于所述电子注入层上。
  5. 如权利要求1所述的显示面板，其中，所述有机光电探测器包括：
    第一电极，设于所述基板上；
    有机半导体功能层，设于所述第一电极上；以及
    第二电极，设于所述有机半导体功能层上。
  6. 根据权利要求1所述的显示面板，其中，在所述有机电致发光二极管器件和所述有机光电探测器上还包括钝化层。
  7. 一种显示面板的制作方法，其包括步骤：
    提供一基板；
    在所述基板上制作有机电致发光二极管器件；以及
    在所述基板上制作有机光电探测器，且所述有机光电探测器与所述有机电致发光二极管器件相邻设置。
  8. 根据权利要求7所述的显示面板的制作方法，其中，所述制作有机电致发光二极管器件包括步骤：
    在所述基板上制作蓝色子像素、红色子像素以及绿色子像素；
    所述制作蓝色子像素、红色子像素以及绿色子像素具体包括通过真空蒸镀、旋涂或喷墨打印的方式依次沉积第一电极、空穴注入层、空穴传输层、发光层、电子传输层、电子注入层和第二电极；
    其中所述有机光电探测器与所述绿色子像素设置在同一行或同一列。
  9. 根据权利要求7所述的显示面板的制作方法，其中，所述制作有机光电探测器包括步骤：
    在所述基板上通过真空蒸镀、旋涂或喷墨打印的方式制作第一电极；
    在所述第一电极上通过真空蒸镀、旋涂或喷墨打印的方式制作有机半导体功能层；以及
    在所述有机半导体功能层上通过真空蒸镀、旋涂或喷墨打印的方式制作第二电极。
  10. 根据权利要求7所述的显示面板的制作方法，其中，在制作有机电致发光二极管器件和有机光电探测器步骤之后还包括步骤：
    在所述有机电致发光二极管器件和所述有机光电探测器上制作钝化层。
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