WO2019214073A1 - Oled显示面板及oled显示装置 - Google Patents

Oled显示面板及oled显示装置 Download PDF

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Publication number
WO2019214073A1
WO2019214073A1 PCT/CN2018/096194 CN2018096194W WO2019214073A1 WO 2019214073 A1 WO2019214073 A1 WO 2019214073A1 CN 2018096194 W CN2018096194 W CN 2018096194W WO 2019214073 A1 WO2019214073 A1 WO 2019214073A1
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WIPO (PCT)
Prior art keywords
layer
oled display
touch screen
thin film
polarizer
Prior art date
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Ceased
Application number
PCT/CN2018/096194
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English (en)
French (fr)
Inventor
张锋
王硕晟
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Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Priority to US16/219,895 priority Critical patent/US10770519B2/en
Publication of WO2019214073A1 publication Critical patent/WO2019214073A1/zh
Anticipated expiration legal-status Critical
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    • 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
    • H10K59/40—OLEDs integrated with touch screens

Definitions

  • the present application relates to the field of display technologies, and in particular, to an OLED display panel and an OLED display device.
  • a thin film encapsulation layer is disposed in the OLED display panel, and includes a plurality of inorganic material layers and organic material layers arranged in an overlapping manner.
  • the inorganic material layer is used to prevent moisture and oxygen from invading
  • the organic material layer is used to reduce the pressure on the inorganic material layer, and to prevent the inorganic material layer from being cracked or even broken due to external force.
  • the inventors of the present application found in the long-term research and practice that the multilayer structure of the thin film encapsulation layer increases the number of layers of the OLED display panel, increases the thickness of the OLED display panel, and lengthens the optical path, thereby reducing the luminous flux. effectiveness.
  • the present invention provides an OLED display panel and an OLED display device for solving the problems of increasing the thickness of the OLED display panel, lengthening the optical path, and reducing the luminous flux efficiency caused by the increase in the number of layers of the OLED display panel in the prior art. .
  • an OLED display panel which includes: a substrate substrate, an array structure layer, an organic light emitting layer, a thin film encapsulation layer, a touch screen layer, and a polarizer layer.
  • the array structure layer, the organic light-emitting layer, and the thin film encapsulation layer are formed on the substrate substrate in a manner of being separated away from each other, and at least one of the touch screen layer and the polarizer layer is located in the thin film encapsulation layer;
  • the OLED display panel further includes An adhesive layer for fixing the touch screen layer or the polarizer layer, wherein the adhesive layer is formed of an organic material; wherein the adhesive layer is an optical transparent adhesive layer or an adhesive layer.
  • an OLED display panel which includes: a substrate substrate, an array structure layer, an organic light emitting layer, a thin film encapsulation layer, a touch screen layer, and a polarizer. And a layer, wherein the array structure layer, the organic light-emitting layer and the thin film encapsulation layer are formed on the base substrate in such a manner that at least one of the touch screen layer and the polarizer layer is located in the thin film encapsulation layer.
  • an OLED display device which includes an OLED display panel, the OLED display panel includes: a substrate substrate; The array structure layer, the organic light-emitting layer and the thin film encapsulation layer on the base substrate; the touch screen layer and the polarizer layer, at least one of the touch screen layer and the polarizer layer being located in the thin film encapsulation layer.
  • the touch screen layer and/or the polarizer layer disposed in the thin film encapsulation layer replace the inorganic material layer in the thin film encapsulation layer, so that the touch screen layer and the polarizer layer not only maintain the original function, but also It is used as an inorganic material layer of the film encapsulation layer to prevent moisture and oxygen from invading, thereby reducing the number of layers of the OLED display panel and reducing the thickness of the OLED display panel, thereby shortening the optical path and ensuring the function of the normal use. Improve luminous flux efficiency.
  • FIG. 1 is a schematic structural view of a conventional top emission type OLED display panel
  • FIG. 2 is a schematic structural view of an OLED display panel according to a first embodiment of the present application
  • FIG. 3 is a schematic structural diagram of an OLED display panel according to a second embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of an OLED display panel according to a third embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of an OLED display panel according to a fourth embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of an OLED display panel according to a fifth embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of an OLED display panel according to a sixth embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of an OLED display device according to an embodiment of the present application.
  • first and second in this application are used for descriptive purposes only, and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the meaning of "a plurality” is at least two, such as two, three, etc., unless specifically defined otherwise. All directional indications (such as up, down, left, right, front, etc.) in the embodiments of the present application After ...) is only used to explain the relative positional relationship, motion, etc.
  • references to "an embodiment” herein mean that a particular feature, structure, or characteristic described in connection with the embodiments can be included in at least one embodiment of the present application.
  • the appearances of the phrases in various places in the specification are not necessarily referring to the same embodiments, and are not exclusive or alternative embodiments that are mutually exclusive. Those skilled in the art will understand and implicitly understand that the embodiments described herein can be combined with other embodiments.
  • FIG. 1 is a schematic structural view of a conventional top emission type OLED display panel.
  • OLED (Organic Light-Emitting Diode, organic light emitting diode) display panel 100 includes an array structure layer 02, an organic light emitting layer 03, a thin film encapsulation layer 04, an optical transparent adhesive layer 05, a touch screen layer 06, an adhesive layer 07, and a polarized light which are sequentially disposed on a base substrate 01. Slice 08.
  • OLED Organic Light-Emitting Diode, organic light emitting diode
  • display panel 100 includes an array structure layer 02, an organic light emitting layer 03, a thin film encapsulation layer 04, an optical transparent adhesive layer 05, a touch screen layer 06, an adhesive layer 07, and a polarized light which are sequentially disposed on a base substrate 01. Slice 08.
  • the thin film encapsulation layer 04 is a composite structural layer composed of at least three thin film structures.
  • the thin film structure is divided into an organic material layer 042 formed of an organic material and an inorganic material layer 041 formed of an inorganic material.
  • the inorganic material layer 041 is mainly used to prevent the intrusion of moisture and oxygen, and the organic material layer 042 and the inorganic material layer 041 are overlapped to reduce the stress on the inorganic material layer 041, and prevent the inorganic material layer 041 from being cracked or even broken.
  • the optically transparent adhesive layer 05 is used to bond the touch screen layer 06 to the thin film encapsulation layer 04, and the adhesive layer 07 is used to bond the polarizer layer 08 to the touch screen layer 06.
  • the optical transparent adhesive layer 05 and the adhesive layer 07 are formed of an inorganic material, and the touch screen layer 06 and the polarizer layer 08 are formed of an organic material.
  • the OLED display panel 200 generally includes a base substrate 10, an array structure layer 20, an organic light emitting layer 30, a thin film encapsulation layer 40, a touch screen layer 60, and a polarizer layer 80.
  • the array structure layer 20, the organic light-emitting layer 30, and the thin film encapsulation layer 40 are formed on the base substrate 10 in a manner of being separated from each other; at least one of the touch screen layer 60 and the polarizer layer 80 is located in the thin film encapsulation layer 40.
  • the touch screen layer 60 and the polarizer layer 80 are formed of an inorganic material and can be used to replace the inorganic material layer 41 in the thin film encapsulation layer 40. Thereby, the number of inorganic material layers 41 in the thin film encapsulation layer 40 is reduced, the thickness of the OLED display panel 200 is reduced, the optical path is shortened, and the luminous flux efficiency is effectively improved.
  • the following embodiments of the present application please refer to the following embodiments of the present application:
  • FIG. 2 is a schematic structural diagram of an OLED display panel according to a first embodiment of the present application.
  • the thin film encapsulation layer 40 includes a polarizer layer 80 and a plurality of inorganic material layers 41 and a plurality of organic material layers 42.
  • An inorganic layer formed of an inorganic material and an organic layer formed of an organic material are alternately arranged.
  • the inorganic layer includes a polarizer layer 80 and an inorganic material layer 41, and the organic layer includes an organic material layer 42.
  • the touch screen layer 60 is disposed on the thin film encapsulation layer 40.
  • the manner of connecting the touch screen layer 60 and the thin film encapsulation layer 40 includes, but is not limited to, lamination, and details are not described herein again.
  • the polarizer layer 80 is formed of an inorganic material, it may be disposed in the thin film encapsulation layer 40 instead of the inorganic material layer 41 disposed in the thin film encapsulation layer 40, and the number of the organic material layers 42 is constant. Thereby, the number of inorganic material layers 41 in the thin film encapsulation layer 40 is reduced, so that the thickness of the entire OLED display panel 200 is reduced.
  • the thin film encapsulation layer 40 includes a touch screen layer 60 and a plurality of inorganic material layers 41 and a plurality of organic material layers 42.
  • An inorganic layer formed of an inorganic material and an organic layer formed of an organic material are alternately arranged.
  • the inorganic layer includes a touch screen layer 60 and an inorganic material layer 41
  • the organic layer includes an organic material layer 42 .
  • the polarizer layer 80 is disposed on the thin film encapsulation layer 40.
  • the manner of connecting the polarizer layer 80 and the thin film encapsulation layer 40 includes, but is not limited to, lamination, and details are not described herein.
  • FIG. 3 is a schematic structural diagram of an OLED display panel according to a second embodiment of the present application.
  • the thin film encapsulation layer 40 includes a touch screen layer 60, a polarizer layer 80, a plurality of inorganic material layers 41, and a plurality of organic material layers 42.
  • An inorganic layer formed of an inorganic material and an organic layer formed of an organic material are alternately arranged.
  • the inorganic layer includes a touch screen layer 60, a polarizer layer 80, and an inorganic material layer 41.
  • the organic layer includes an organic material layer 42.
  • the touch screen layer 60 may be disposed on the side of the thin film encapsulation layer 40 adjacent to the organic light emitting layer 30, and the polarizer layer 80 is disposed on the side of the thin film encapsulation layer 40 away from the organic light emitting layer 30; the polarizer layer 80 may also be disposed on the thin film encapsulation layer 40.
  • the organic light-emitting layer 30 is on one side, and the touch screen layer 60 is disposed on the side of the thin film encapsulation layer 40 away from the organic light-emitting layer 30.
  • FIG. 4 is a schematic structural diagram of an OLED display panel according to a third embodiment of the present application.
  • the OLED display panel 200 further includes an adhesive layer 50 formed of an organic material for fixing the touch screen layer 60 or the polarizer layer 80 on the thin film encapsulation layer 40.
  • the thin film encapsulation layer 40 may include a polarizer layer 80 and a plurality of inorganic material layers 41 and a plurality of organic material layers 42.
  • the polarizer layer 80 may be disposed on a side of the thin film encapsulation layer 40 away from the organic light emitting layer 30; or may be disposed on a side of the thin film encapsulation layer 40 adjacent to the organic light emitting layer 30.
  • the touch screen layer 60 is disposed on the thin film encapsulation layer 40, and the adhesive layer 50 is disposed between the thin film encapsulation layer 40 and the touch screen layer 60 for fixing the touch screen layer 60 on the thin film encapsulation layer 40.
  • the adhesive layer 50 may be an optically transparent adhesive layer or an adhesive layer.
  • the optically transparent adhesive layer is made of a material having a small elastic modulus, such as an acrylic material or a methacrylic material.
  • the thin film encapsulation layer 40 may include a touch screen layer 60 and a plurality of inorganic material layers 41 and a plurality of organic material layers 42.
  • the touch screen layer 60 may be disposed on a side of the thin film encapsulation layer 40 away from the organic light emitting layer 30; or may be disposed on a side of the thin film encapsulation layer 40 adjacent to the organic light emitting layer 30.
  • the polarizer layer 80 is disposed on the thin film encapsulation layer 40, and the adhesive layer 50 is disposed between the thin film encapsulation layer 40 and the polarizer layer 80 for fixing the polarizer layer 80 on the thin film encapsulation layer 40.
  • FIG. 5 is a schematic structural diagram of an OLED display panel according to a fourth embodiment of the present application.
  • the thin film encapsulation layer 40 may include an adhesive layer 50 formed of an organic material and belonging to an organic layer.
  • the thin film encapsulation layer 40 further includes a polarizer layer 80, a plurality of inorganic material layers 41, and a plurality of organic material layers 42.
  • An inorganic layer formed of an inorganic material and an organic layer formed of an organic material are alternately arranged.
  • the inorganic layer includes a polarizer layer 80 and an inorganic material layer 41
  • the organic layer includes an adhesive layer 50 and an organic material layer 42 .
  • the adhesive layer 50 is located on at least one side of the polarizer layer 80 and is used to bond the polarizer layer 80 and the inorganic material layer 41.
  • the touch screen layer 60 is disposed on the thin film encapsulation layer 40, and the touch screen layer 60 and the thin film encapsulation layer 40 may be connected by a fixing method such as lamination. There are many ways of connecting the touch screen layer 60 to the thin film encapsulation layer 40, and details are not described herein.
  • the original organic material layer 42 in the thin film encapsulation layer 40 is replaced by the adhesive layer 50, and the original inorganic material layer 41 in the thin film encapsulation layer 40 is replaced by the polarizer layer 80, so that the organic material layer in the thin film encapsulation layer 40 is used.
  • the number of 42 and inorganic material layers 41 is reduced, thereby reducing the film thickness of the OLED display panel 200.
  • the thin film encapsulation layer 40 may further include a touch screen layer 60, a plurality of inorganic material layers 41, and a plurality of organic material layers 42.
  • An inorganic layer formed of an inorganic material and an organic layer formed of an organic material are alternately arranged.
  • the inorganic layer includes a touch screen layer 60 and an inorganic material layer 41
  • the organic layer includes an adhesive layer 50 and an organic material layer 42 .
  • the adhesive layer 50 is located on at least one side of the touch screen layer 60 for bonding the touch screen layer 60 and the inorganic material layer 41.
  • the polarizer layer 80 is disposed on the thin film encapsulation layer 40, and the polarizer layer 80 can be connected to the thin film encapsulation layer 40 by lamination or the like. There are many ways of connecting the polarizer layer 80 to the thin film encapsulation layer 40, and details are not described herein again.
  • FIG. 6 is a schematic structural diagram of an OLED display panel according to a fifth embodiment of the present application.
  • the difference between this embodiment and the previous embodiment is that one of the polarizer layer 80 and the touch screen layer 60 is disposed in the thin film encapsulation layer 40, and the other layer is bonded to the thin film encapsulation layer 40 through the adhesive layer 50.
  • the polarizer layer 80 is disposed in the thin film encapsulation layer 40, and the touch screen layer 60 is bonded to the thin film encapsulation layer 40 through the adhesive layer 50.
  • the touch screen layer 60 is disposed in the thin film encapsulation layer 40, and the polarizer layer 80 is bonded to the thin film encapsulation layer 40 through the adhesive layer 50.
  • FIG. 7 is a schematic structural diagram of an OLED display panel according to a sixth embodiment of the present application.
  • the thin film encapsulation layer 40 includes a touch screen layer 60, an adhesive layer 50, a polarizer layer 80, a plurality of inorganic material layers 41, and a plurality of organic material layers 42.
  • An inorganic layer formed of an inorganic material and an organic layer formed of an organic material are alternately arranged.
  • the inorganic layer includes a touch screen layer 60 , a polarizer layer 80 , and an inorganic material layer 41 .
  • the organic layer includes an adhesive layer 50 and an organic material layer 42 .
  • the bonding layer 50 is formed of an organic material and is located between the polarizer layer 80 and the touch screen layer 60.
  • the touch screen layer 60, the bonding layer 50, and the polarizer layer 80 are collectively located in the thin film encapsulation layer 40.
  • the touch screen layer 60 may be disposed on the side of the adhesive layer 50 adjacent to the organic light emitting layer 30, and the polarizer layer 80 is disposed on the side of the adhesive layer 50 away from the organic light emitting layer 30.
  • the polarizer layer 80 may be disposed on the side of the adhesive layer 50 adjacent to the organic light emitting layer 30, and the touch screen layer 60 is disposed on the side of the adhesive layer 50 away from the organic light emitting layer 30.
  • the touch screen layer 60 may include a first inorganic insulating layer 61, a second inorganic insulating layer 62, a first metal layer 63, and a second metal layer 65.
  • the advantageous effect of the above embodiment is that the inorganic material layer 41 in the thin film encapsulation layer 40 is replaced by the touch screen layer 60 and/or the polarizer layer 80 disposed in the thin film encapsulation layer 40; and the adhesion is provided in the thin film encapsulation layer 40.
  • the layer 50 replaces the organic material layer 42 in the thin film encapsulation layer 40; so that the touch screen layer 60 and the polarizer layer 80 not only maintain the original function, but also can be used as the inorganic material layer 41 of the thin film encapsulation layer 40 to prevent moisture and oxygen intrusion. Therefore, in the case of ensuring the normal use function, the number of layers of the OLED display panel 200 is reduced, the thickness of the OLED display panel 200 is reduced, thereby shortening the light path, and effectively improving the luminous flux efficiency.
  • FIG. 8 is a schematic structural diagram of an OLED display device 300 according to an embodiment of the present application.
  • the OLED display device 300 includes the OLED display panel 200 in the above embodiment.

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  • Electroluminescent Light Sources (AREA)

Abstract

一种OLED显示面板及OLED显示装置，该OLED显示面板（200）包括：衬底基板（10）、阵列结构层（20）、有机发光层（30）、薄膜封装层（40）、触摸屏层（60）和偏光片层（80），其中阵列结构层（20）、有机发光层（30）和薄膜封装层（40）以依次远离的方式形成在衬底基板（10）上，触摸屏层（60）和偏光片层（80）中至少有一层位于薄膜封装层（40）中。因此，通过设置在薄膜封装层中的触摸屏层和/或偏光片层代替薄膜封装层中的无机材质层，以减少OLED显示面板的膜层数量，减小OLED显示面板的厚度，从而缩短光路径有效提高光通量效率。

Description

OLED显示面板及OLED显示装置
【技术领域】
本申请涉及显示技术领域，特别是涉及一种OLED显示面板及OLED显示装置。
【背景技术】
由于OLED显示面板功耗低、具有较高色彩饱和度、广视角、超薄和可折叠性等诸多优异特性而逐渐成为显示技术领域的主流。为了保证OLED显示面板的各项优异性能，在OLED显示面板中设置有薄膜封装层，其包含多个交叠排布的无机材质层和有机材质层。其中，无机材质层用于防止水分和氧气入侵，有机材质层用于减少无机材质层上的压力，防止无机材质层因外力作用而产生裂纹甚至折断。本申请的发明人在长期的研究和实践的过程中发现，薄膜封装层的多层结构增加了OLED显示面板的膜层数量，增大了OLED显示面板的厚度，使得光路径加长，从而降低光通量效率。
【发明内容】
本发明提供一种OLED显示面板及OLED显示装置，用于解决现有技术中，OLED显示面板的膜层数量增加所带来的OLED显示面板的厚度增大，光路径加长，光通量效率降低的问题。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种OLED显示面板，该OLED显示面板包括：衬底基板、阵列结构层、有机发光层、薄膜封装层、触摸屏层和偏光片层，其中阵列结构层、有机发光层和薄膜封装层以依次远离的方式形成在衬底基板上，触摸屏层和偏光片层中至少有一层位于薄膜封装层中；其中，所述OLED显示面板还包括粘接层，用于固定所述触摸屏层或所述偏光片层，所述粘接层由有机材质形成；其中，所述粘接层为光学透明胶层或粘着胶层。
为解决上述技术问题，本发明采用的又一个技术方案是：提供一种OLED显示面板，该OLED显示面板包括：衬底基板、阵列结构层、有机发光层、薄膜封装层、触摸屏层和偏光片层，其中阵列结构层、有机发光层和薄膜封装层以依次远离的方式形成在衬底基板上，触摸屏层和偏光片层中至少有一层位于薄膜封装层中。
为解决上述技术问题，本发明采用的另一个技术方案是：提供一种OLED显示装置，该OLED显示装置包括OLED显示面板，该OLED显示面板包括：衬底基板；以依次远离的方式形成在所述衬底基板上的阵列结构层、有机发光层和薄膜封装层；触摸屏层和偏光片层，所述触摸屏层和所述偏光片层中至少有一层位于所述薄膜封装层中。
上述实施例的有益效果是：通过设置在薄膜封装层中的触摸屏层和/或偏光片层代替薄膜封装层中的无机材质层，使得触摸屏层和偏光片层不仅保持了原来的功能，还可以用于作为薄膜封装层的无机材质层来防止水分和氧气入侵，从而在保证正常使用功能的情况下，减少OLED显示面板的膜层数量，减小OLED显示面板的厚度，从而缩短光路径，有效提高光通量效率。
【附图说明】
图1是现有顶发射型OLED显示面板的结构示意图；
图2是本申请第一实施例OLED显示面板的结构示意图；
图3是本申请第二实施例OLED显示面板的结构示意图；
图4是本申请第三实施例OLED显示面板的结构示意图；
图5是本申请第四实施例OLED显示面板的结构示意图；
图6是本申请第五实施例OLED显示面板的结构示意图；
图7是本申请第六实施例OLED显示面板的结构示意图；
图8是本申请一实施例OLED显示装置的结构示意图。
【具体实施方式】
下面将对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本申请中的术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。本申请的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。本申请实施例中所有方向性指示（诸如上、下、左、右、前、 后……）仅用于解释在某一特定姿态（如附图所示）下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。此外，术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包含。例如包含了一系列步骤或部件的过程、方法、系统、产品或设备，没有限定于已列出的步骤或部件，而是可选地还包括没有列出的步骤或部件，或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或部件。
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。
请参阅图1，图1是现有顶发射型OLED显示面板的结构示意图。OLED（Organic Light-Emitting Diode，有机发光二极管）显示面板100包括依次设置在衬底基板01上的阵列结构层02、有机发光层03、薄膜封装层04、光学透明胶层05、触摸屏层06、粘着胶层07和偏光片层08。
其中，薄膜封装层04是一个至少由三层薄膜结构组成的复合结构层，该薄膜结构分为由有机材质形成的有机材质层042和由无机材质形成的无机材质层041。无机材质层041主要用于防止水分和氧气的入侵，有机材质层042与无机材质层041交叠设置，用于减少无机材质层041上的应力，防止无机材质层041产生裂纹甚至折断。
光学透明胶层05用于将触摸屏层06粘接在薄膜封装层04上，粘着胶层07用于将偏光片层08粘接在触摸屏层06上。其中，光学透明胶层05和粘着胶层07由无机材质形成，触摸屏层06和偏光片层08由有机材质形成。
在本申请的实施例中，OLED显示面板200大体上包括：衬底基板10、阵列结构层20、有机发光层30、薄膜封装层40、触摸屏层60和偏光片层80。其中，阵列结构层20、有机发光层30和薄膜封装层40以依次远离的方式形成在衬底基板10上；触摸屏层60和偏光片层80中至少有一层位于薄膜封装层40中。
其中，触摸屏层60和偏光片层80由无机材质形成，可以用来替换薄膜封装层40中的无机材质层41。从而使得薄膜封装层40中的无机材质层41数量减少，减小了OLED显示面板200的厚度，从而缩短光路径，有效的提高了光通量效率。具体请参阅本申请的以下实施例：
请参阅图2，图2是本申请第一实施例OLED显示面板的结构示意图。
在本实施例中，薄膜封装层40包括偏光片层80和多个无机材质层41和多个有机材质层42。由无机材质形成的无机层和由有机材质形成的有机层交错排布。其中，无机层包括偏光片层80以及无机材质层41，有机层包括有机材质层42。触摸屏层60设置在薄膜封装层40上，将触摸屏层60和薄膜封装层40连接的方式包括但不限于层压的方式，此处不再赘述。
由于偏光片层80由无机材质形成，其设置在薄膜封装层40中可以代替设置在薄膜封装层40中的无机材质层41，有机材质层42的数量不变。从而减小了薄膜封装层40中的无机材质层41数量，使得整个OLED显示面板200的厚度减小。
在另一实施例中，薄膜封装层40包括触摸屏层60和多个无机材质层41和多个有机材质层42。由无机材质形成的无机层和由有机材质形成的有机层交错排布。其中，无机层包括触摸屏层60以及无机材质层41，有机层包括有机材质层42。偏光片层80设置薄膜封装层40上，将偏光片层80和薄膜封装层40连接的方式包括但不限于层压的方式，此处不再赘述。
请参阅图3，图3是本申请第二实施例OLED显示面板的结构示意图。
在本实施例中，薄膜封装层40包括触摸屏层60、偏光片层80和多个无机材质层41和多个有机材质层42。由无机材质形成的无机层和由有机材质形成的有机层交错排布。其中，无机层包括触摸屏层60、偏光片层80以及无机材质层41，有机层包括有机材质层42。触摸屏层60可以设置在薄膜封装层40靠近有机发光层30一侧，而偏光片层80设置在薄膜封装层40远离有机发光层30一侧；偏光片层80还可以设置在薄膜封装层40靠近有机发光层30一侧，而触摸屏层60设置在薄膜封装层40远离有机发光层30一侧。
请参阅图4，图4是本申请第三实施例OLED显示面板的结构示意图。
OLED显示面板200进一步包括粘接层50，该粘接层50由有机材质形成，用于将触摸屏层60或偏光片层80固定在薄膜封装层40上。
在本实施例中，薄膜封装层40可以包括偏光片层80和多个无机材质层41和多个有机材质层42。其中，偏光片层80可以设置在薄膜封装层40的远离有机发光层30的一侧；也可以设置在薄膜封装层40的靠近有机发光层30的一侧。触摸屏层60设置在薄膜封装层40上，粘接层50设置在薄膜封装层40和触摸屏层60之间，用于将触摸屏层60固定在薄膜封装层40上。
其中，粘接层50可以为光学透明胶层，也可以为粘着胶层。光学透明胶层由弹性模量较小的材料制成，例如丙烯酸类材料或甲基丙烯酸类材料等。
在另一实施例中，薄膜封装层40可以包括触摸屏层60和多个无机材质层41和多个有机材质层42。其中，触摸屏层60可以设置在薄膜封装层40的远离有机发光层30的一侧；也可以设置在薄膜封装层40的靠近有机发光层30的一侧。偏光片层80设置在薄膜封装层40上，粘接层50设置在薄膜封装层40和偏光片层80之间，用于将偏光片层80固定在薄膜封装层40上。
请参阅图5，图5是本申请第四实施例OLED显示面板的结构示意图。
在本实施例中，薄膜封装层40可以包括粘接层50，该粘接层50由有机材质形成，属于有机层。薄膜封装层40还包括偏光片层80、多个无机材质层41和多个有机材质层42。由无机材质形成的无机层和由有机材质形成的有机层交错排布。其中，无机层包括偏光片层80以及无机材质层41，有机层包括粘接层50以及有机材质层42。粘接层50位于偏光片层80的至少一侧，用于将偏光片层80与无机材质层41进行粘接。而触摸屏层60设置在薄膜封装层40之上，可以通过层压等固定方式将触摸屏层60与薄膜封装层40连接。将触摸屏层60固定在薄膜封装层40上的连接方式可以有多种，此处不再赘述。
本实施例，利用粘接层50代替薄膜封装层40中原有的有机材质层42，利用偏光片层80代替薄膜封装层40中原有的无机材质层41，使得薄膜封装层40中的有机材质层42和无机材质层41的数量减少，从而减小了OLED显示面板200的膜层厚度。
在另一实施例中，薄膜封装层40还可以包括触摸屏层60、多个无机材质层41和多个有机材质层42。由无机材质形成的无机层和由有机材质形成的有机层交错排布。其中，无机层包括触摸屏层60以及无机材质层41，有机层包括粘接层50以及有机材质层42。粘接层50位于触摸屏层60的至少一侧，用于将触摸屏层60与无机材质层41进行粘接。而偏光片层80设置在薄膜封装层40之上，可以通过层压等固定方式将偏光片层80与薄膜封装层40连接。将偏光片层80固定在薄膜封装层40上的连接方式可以有多种，此处不再赘述。
请参阅图6，图6是本申请第五实施例OLED显示面板的结构示意图。
本实施例与上一实施例的区别在于，偏光片层80和触摸屏层60的其中之一设置在薄膜封装层40中，而另外一层通过粘接层50与薄膜封装层40粘接。
如图6所示，偏光片层80设置在薄膜封装层40中，而触摸屏层60通过粘接层50与薄膜封装层40粘接。
在另一实施例中，触摸屏层60设置在薄膜封装层40中，而偏光片层80通过粘接层50与薄膜封装层40粘接。
请参阅图7，图7是本申请第六实施例OLED显示面板的结构示意图。
薄膜封装层40包括触摸屏层60、粘接层50、偏光片层80、多个无机材质层41和多个有机材质层42。由无机材质形成的无机层和由有机材质形成的有机层交错排布。其中，无机层包括触摸屏层60、偏光片层80以及无机材质层41，有机层包括粘接层50以及有机材质层42。该粘接层50采用有机材质形成，且位于偏光片层80和触摸屏层60之间。触摸屏层60、粘接层50和偏光片层80共同位于薄膜封装层40中。
在本实施例中，触摸屏层60可以设置在粘接层50靠近有机发光层30一侧，偏光片层80设置在粘接层50远离有机发光层30一侧。
在另一实施例中，偏光片层80可以设置在粘接层50靠近有机发光层30一侧，触摸屏层60设置在粘接层50远离有机发光层30一侧。
其中，触摸屏层60可包括第一无机绝缘层61、第二无机绝缘层62、第一金属层63和第二金属层65。
上述实施例的有益效果是：通过设置在薄膜封装层40中的触摸屏层60和/或偏光片层80代替薄膜封装层40中的无机材质层41；通过设置在薄膜封装层40中的粘接层50代替薄膜封装层40中的有机材质层42；使得触摸屏层60和偏光片层80不仅保持了原来的功能，还可以用于作为薄膜封装层40的无机材质层41来防止水分和氧气入侵，从而在保证正常使用功能的情况下，减少OLED显示面板200的膜层数量，减小OLED显示面板200的厚度，从而缩短光路径，有效提高光通量效率。
本申请还提供了一种OLED显示装置300，请参阅图8，图8是本申请一实施例OLED显示装置300的结构示意图。该OLED显示装置300包括上述实施例中的OLED显示面板200，OLED显示面板200的结构请参阅前文，此处不再赘述。
以上所述仅为本申请的实施方式，并非因此限制本申请的专利范围，凡是利用本申请说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本申请的专利保护范围内。

Claims (20)

  1. 一种OLED显示面板，其中，所述OLED显示面板包括：
    衬底基板；
    以依次远离的方式形成在所述衬底基板上的阵列结构层、有机发光层和薄膜封装层；
    触摸屏层和偏光片层，所述触摸屏层和所述偏光片层中至少有一层位于所述薄膜封装层中；
    其中，所述OLED显示面板还包括粘接层，用于固定所述触摸屏层或所述偏光片层，所述粘接层由有机材质形成；
    其中，所述粘接层为光学透明胶层或粘着胶层。
  2. 根据权利要求1所述的OLED显示面板，其中，所述触摸屏层和所述偏光片层由无机材质形成。
  3. 一种OLED显示面板，其中，所述OLED显示面板包括：
    衬底基板；
    以依次远离的方式形成在所述衬底基板上的阵列结构层、有机发光层和薄膜封装层；
    触摸屏层和偏光片层，所述触摸屏层和所述偏光片层中至少有一层位于所述薄膜封装层中。
  4. 根据权利要求3所述的OLED显示面板，其中，所述触摸屏层和所述偏光片层由无机材质形成。
  5. 根据权利要求4所述的OLED显示面板，其中，所述薄膜封装层还包括多个无机材质层和多个有机材质层，由无机材质形成的无机层和由有机材质形成的有机层交错排布，其中，所述无机层包括所述触摸屏层和所述偏光片层的至少一层以及所述无机材质层，所述有机层包括所述有机材质层。
  6. 根据权利要求5所述的OLED显示面板，其中，所述OLED显示面板还包括粘接层，用于固定所述触摸屏层或所述偏光片层，所述粘接层由有机材质形成。
  7. 根据权利要求6所述的OLED显示面板，其中，所述偏光片层和所述触摸屏层的其中之一位于所述薄膜封装层中，所述偏光片层和所述触摸屏层的另外一层通过所述粘接层与所述薄膜封装层粘接固定。
  8. 根据权利要求5所述的OLED显示面板，其中，所述有机层进一步包括粘接层，所述粘接层由有机材质形成，所述偏光片层和所述触摸屏层的其中之一的至少一侧设置所述粘接层，通过所述粘接层与所述无机材质层粘接，所述偏光片层和所述触摸屏层的另外一层设置在所述薄膜封装层上。
  9. 根据权利要求8所述的OLED显示面板，其中，所述偏光片层和所述触摸屏层的另外一层通过所述粘接层与所述薄膜封装层粘接。
  10. 根据权利要求4所述的OLED显示面板，其中，所述薄膜封装层还包括粘接层，所述粘接层采用有机材质形成，所述触摸屏层和所述偏光片层之间设置所述粘接层，所述触摸屏层和所述偏光片层以及所述粘接层共同位于所述薄膜封装层中。
  11. 根据权利要求10所述的OLED显示面板，其中，所述触摸屏层包括依次设置在所述有机发光层上的第一无机绝缘层、第二无机绝缘层、第一金属层和第二金属层。
  12. 一种OLED显示装置，其中，所述OLED显示装置包括OLED显示面板，所述OLED显示面板包括：
    衬底基板；
    以依次远离的方式形成在所述衬底基板上的阵列结构层、有机发光层和薄膜封装层；
    触摸屏层和偏光片层，所述触摸屏层和所述偏光片层中至少有一层位于所述薄膜封装层中。
  13. 根据权利要求12所述的OLED显示装置，其中，所述触摸屏层和所述偏光片层由无机材质形成。
  14. 根据权利要求13所述的OLED显示装置，其中，所述薄膜封装层还包括多个无机材质层和多个有机材质层，由无机材质形成的无机层和由有机材质形成的有机层交错排布，其中，所述无机层包括所述触摸屏层和所述偏光片层的至少一层以及所述无机材质层，所述有机层包括所述有机材质层。
  15. 根据权利要求14所述的OLED显示装置，其中，所述OLED显示面板还包括粘接层，用于固定所述触摸屏层或所述偏光片层，所述粘接层由有机材质形成。
  16. 根据权利要求15所述的OLED显示装置，其中，所述偏光片层和所述触摸屏层的其中之一位于所述薄膜封装层中，所述偏光片层和所述触摸屏层的另外一层通过所述粘接层与所述薄膜封装层粘接固定。
  17. 根据权利要求14所述的OLED显示装置，其中，所述有机层进一步包括粘接层，所述粘接层由有机材质形成，所述偏光片层和所述触摸屏层的其中之一的至少一侧设置所述粘接层，通过所述粘接层与所述无机材质层粘接，所述偏光片层和所述触摸屏层的另外一层设置在所述薄膜封装层上。
  18. 根据权利要求17所述的OLED显示装置，其中，所述偏光片层和所述触摸屏层的另外一层通过所述粘接层与所述薄膜封装层粘接。
  19. 根据权利要求13所述的OLED显示装置，其中，所述薄膜封装层还包括粘接层，所述粘接层采用有机材质形成，所述触摸屏层和所述偏光片层之间设置所述粘接层，所述触摸屏层和所述偏光片层以及所述粘接层共同位于所述薄膜封装层中。
  20. 根据权利要求19所述的OLED显示装置，其中，所述触摸屏层包括依次设置在所述有机发光层上的第一无机绝缘层、第二无机绝缘层、第一金属层和第二金属层。
PCT/CN2018/096194 2018-05-11 2018-07-19 Oled显示面板及oled显示装置 Ceased WO2019214073A1 (zh)

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