WO2022037466A1 - 显示模组和电子设备 - Google Patents

显示模组和电子设备 Download PDF

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Publication number
WO2022037466A1
WO2022037466A1 PCT/CN2021/112188 CN2021112188W WO2022037466A1 WO 2022037466 A1 WO2022037466 A1 WO 2022037466A1 CN 2021112188 W CN2021112188 W CN 2021112188W WO 2022037466 A1 WO2022037466 A1 WO 2022037466A1
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Prior art keywords
light
layer
display module
substrate
hole
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PCT/CN2021/112188
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English (en)
French (fr)
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韦宏阳
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维沃移动通信有限公司
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Publication of WO2022037466A1 publication Critical patent/WO2022037466A1/zh

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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
    • H10K50/805—Electrodes
    • 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
    • H10K59/126—Shielding, e.g. light-blocking means over the TFTs

Definitions

  • the present application belongs to the field of communication technologies, and in particular relates to a display module and an electronic device.
  • AMOLED Active-Matrix Organic Light-Emitting Diode
  • the purpose of the embodiments of the present application is to provide a display module and an electronic device, which can solve the problem of poor display effect of the display module.
  • an embodiment of the present application provides a display module, comprising: a first substrate, a light shielding layer and a plurality of pixel units, wherein the plurality of pixel units are located between the first substrate and the light shielding layer,
  • the pixel unit includes: a first electrode layer, a light-emitting layer and a second electrode layer, the light-emitting layer is located between the first electrode layer and the second electrode layer, and the first electrode layer is located on the first electrode layer.
  • a first through hole is opened on the second electrode layer, the first through hole is arranged opposite to the light-emitting layer, and a metal connection line is arranged in the first through hole ;
  • the metal connection lines in the first through holes of any two adjacent pixel units are electrically connected;
  • the light-shielding layer includes a light-blocking area and a light-transmitting area, and the light-transmitting area is connected to the first through hole.
  • the through holes are arranged oppositely.
  • an embodiment of the present application provides an electronic device, including the above-mentioned display module.
  • the display module includes: a substrate, a light shielding layer and a plurality of pixel units, the plurality of pixel units are located between the first substrate and the light shielding layer, and the pixel unit includes: a first An electrode layer, a light-emitting layer and a second electrode layer, the light-emitting layer is located between the first electrode layer and the second electrode layer, and the first electrode layer is located between the first substrate and the light-emitting layer During the time, a first through hole is opened on the second electrode layer, the first through hole is arranged opposite to the light-emitting layer, and a metal connection line is arranged in the first through hole; wherein, any adjacent two The metal connection lines in the first through holes of each pixel unit are electrically connected; the light-shielding layer includes a light-blocking area and a light-transmitting area, and the light-transmitting area is disposed opposite to the first through-hole.
  • the second electrode layer is provided with a first through hole, and the first through hole is arranged opposite to the light-emitting layer, so that the light emitted from the light-emitting layer can irradiate the display module through the first through hole, reducing the number of The two electrode layers reflect light, thereby enhancing the display brightness of the display module and enhancing the display effect of the display module.
  • the light shielding layer is provided, the light can only illuminate the display module from the first through hole and the light-transmitting area of the light shielding layer, thereby further enhancing the display brightness of the display module.
  • FIG. 1 is one of the schematic structural diagrams of a display module provided by an embodiment of the present application.
  • FIG. 2 is one of the structural schematic diagrams of the second electrode layer in a display module provided by an embodiment of the present application
  • FIG. 3 is a second structural schematic diagram of a second electrode layer in a display module provided by an embodiment of the present application.
  • FIG. 4 is a second schematic structural diagram of a display module provided by an embodiment of the present application.
  • FIG. 5 is a third schematic structural diagram of a display module provided by an embodiment of the present application.
  • FIG. 6 is a fourth schematic structural diagram of a display module provided by an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and distinguish between “first”, “second”, etc.
  • the objects are usually of one type, and the number of objects is not limited.
  • the first object may be one or more than one.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • the display module includes: a first substrate 10 , a light shielding layer 40 and a plurality of pixel units 20 , and the plurality of pixel units 20 are located on the first substrate 10 and the light shielding layer 40
  • the pixel unit 20 includes: a first electrode layer 21, a light-emitting layer 22 and a second electrode layer 23, and the light-emitting layer 22 is located between the first electrode layer 21 and the second electrode layer 23,
  • the first electrode layer 21 is located between the first substrate 10 and the light-emitting layer 22
  • a first through hole 231 is formed on the second electrode layer 23 , and the first through hole 231 is connected to the light-emitting layer 23 .
  • the layers 22 are arranged oppositely, and the first through holes 231 are provided with metal connecting lines 232;
  • the metal connection lines 232 in the first through holes 231 of any two adjacent pixel units 20 are electrically connected; the light shielding layer 40 includes a light blocking area 41 and a light transmitting area 42, the light blocking The region 41 and the first through hole 231 are arranged in a staggered position, and the light-transmitting region 42 is arranged opposite to the first through hole 231 .
  • the second electrode layer 23 in the embodiments of the present application may be referred to as a cathode layer, and the first electrode layer 21 may be referred to as an anode layer.
  • the display module in this embodiment includes a light-shielding layer 40 , and the light-shielding area 41 of the light-shielding layer 40 can block the reflected light on the second electrode layer 23 (the reflected light is part of the light emitted from the light-emitting layer 22 irradiated to the second electrode layer 23 ).
  • the reflected light formed at the position where the first through hole 231 is not opened on the electrode layer 23 ), thereby enhancing the contrast of the display module and enhancing the display effect of the display module. Therefore, the light-shielding layer 40 in this embodiment can replace the polarizer.
  • the display module in this embodiment does not need to be provided with a polarizer, thereby reducing the thickness of the entire display module; at the same time, the second electrode layer 23 is provided with a first through hole 231, and the light shielding layer 40 also includes The light-transmitting area 42 is disposed opposite to the first through hole 231, so that part of the light emitted from the light-emitting layer 22 can illuminate the display module sequentially from the first through-hole 231 and the light-transmitting area 42, thereby enhancing the The display brightness of the display module is improved, and the display effect of the display module is enhanced. It should be noted that this part of the light will not form reflected light.
  • a first functional layer may also be disposed between the second electrode layer 23 and the light-emitting layer 22, wherein the first functional layer may include at least part of the structural layers among the electron injection layer, the electron transport layer and the hole blocking layer; and
  • a second functional layer may also be provided between the light-emitting layer 22 and the first substrate 10, and the second functional layer may include: an electron blocking layer, a hole transport layer, a hole injection layer, an anode layer and other structural layers stacked in sequence. at least part of the structural layer.
  • the shape of the first through hole 231 is adapted to the shape of the light emitting layer 22 .
  • the occurrence of the phenomenon that the light emitted by the light emitting layer 22 is irradiated to the second electrode layer 23 can be reduced, so that the light emitted by the light emitting layer 22 can be reduced. It is more convenient for the light to pass through the first through hole 231 and the light-transmitting area 42, thereby further enhancing the brightness of the display module.
  • the number of the corresponding first through holes 231 may be one.
  • the size of the first through hole 231 is related to the The size of 22 is adapted, that is, the size of the first through hole can be the same as the size of the light-emitting layer, or slightly larger than the size of the light-emitting layer, or slightly smaller than the size of the light-emitting layer; of course, as another optional implementation, see FIG. 4 5 , for each pixel unit, the number of the first through holes 231 may also be at least 2. In this case, the sum of the sizes of the above at least 2 first through holes 231 is adapted to the size of the light emitting layer 22 . .
  • the display module may include a plurality of pixel units 20, and each pixel unit 20 may include a first electrode layer 21, a light-emitting layer 22 and a second electrode layer 23.
  • the light emitted by the above-mentioned plurality of pixel units 20 The colors are at least partially different, for example: the colors of the light emitted by the above-mentioned multiple pixel units 20 may include three colors of red, green and blue, and the colors of the light emitted by the adjacent pixel units 20 may be different, so that , the pixel unit 20 controlled by the display module emits different colors so as to present various colors on the display module.
  • first electrode layers 21 included in any two adjacent pixel units 20 may be connected, that is, the first electrode layers 21 included in the above-mentioned plurality of pixel units 20 may be integrally formed;
  • the second electrode layers 23 included in the pixel units 20 may be connected, that is, the second electrode layers 23 included in the above-mentioned plurality of pixel units 20 may be integrally formed;
  • the layer 22 can be disconnected, and the color emitted by the pixel unit 20 is generally the color of the light emitted by the light-emitting layer 22; of course, a filter can also be provided in the display module, so that the filter can be controlled by the effect of the filter.
  • the positions corresponding to different pixel units 20 display different colors.
  • the pixel unit 20 may also be referred to as a display pixel electrode, and multiple pixel units 20 may be electrically connected to each other; of course, the multiple pixel units 20 may include: red display pixels, green display pixels, and blue display pixels.
  • the above-mentioned pixel units 20 can be combined with each other, so that the display module can present various colors.
  • metal connecting lines 232 are provided in the first through holes 231, and the metal connecting lines 232 in any two adjacent first through holes 231 are electrically connected, so that a plurality of first through holes 231 can be
  • the metal connecting wires 232 are connected as a whole, and the above-mentioned plurality of first through holes 231 can conduct electricity, so that the normal realization of the function of the second electrode layer 23 is not affected, and the light in the second electrode layer can be enhanced at the same time. Transmittance on 23.
  • the specific type of the metal connecting wire 232 is not limited herein. As an optional implementation, the metal connecting wire 232 may be connected in an arc shape.
  • the metal connecting wires 232 are grid-shaped connecting wires.
  • the metal connecting line 232 is a grid-like connecting line
  • the line width and line spacing of the grid can be adjusted according to actual needs, so as to meet the electrical properties, light transmittance, display brightness and overall appearance of the display module, etc. aspect requirements.
  • the metal connection lines 232 in any two adjacent first through holes 231 are electrically connected, so that all the metal connection lines 232 in the first through holes 231 can be connected as a whole, thereby strengthening the metal connection lines 232 electrical conductivity.
  • the metal connecting line 232 is a grid-shaped connecting line, the area of the connecting line is increased to a certain extent, and the connecting strength of the connecting line is enhanced, thereby enhancing the conductive effect.
  • the performance impact is small.
  • the reflection effect of the second electrode layer 23 on light can be reduced to the maximum extent, and the performance of the display module is improved. Display brightness and contrast, reduce the power consumption of the display module.
  • the polarizer can be eliminated, thereby reducing the thickness of the display module.
  • the polarizer bonding process of the display module in the processing step is also eliminated, simplifying the module manufacturing process. , reducing the cost of use.
  • the display module further includes a second substrate 30 and a light-transmitting cover plate 50 , the second substrate 30 is disposed toward the first surface of the second electrode layer 23 , and the The second substrate 30 is located between the light-transmitting cover plate 50 and the first surface, and the first surface is the surface of the second electrode layer 23 facing away from the light-emitting layer 22 .
  • the display module further includes the second substrate 30 and the light-transmitting cover plate 50 , the pixel unit 20 can be protected.
  • the second substrate 30 and the first substrate 10 can be both glass plates, and the light-transmitting cover plate 50 can also be a glass plate, so that the use cost is reduced, and the second substrate 30, the first substrate 10 and the The light-transmitting performance of the light-transmitting cover plate 50 .
  • the above-mentioned first substrate 10 may be referred to as a lower glass layer, and the lower glass layer may be made of low temperature polysilicon (Low Temperature Poly-Silicon, LTPS).
  • the second substrate 30 may be referred to as an upper glass layer, and the upper glass layer may be referred to as an ENCAP glass layer.
  • the position of the light shielding layer 40 is not limited here.
  • the light shielding layer 40 is located between the second substrate 30 and the light-transmitting cover plate 50 . or, as another optional implementation manner, the light shielding layer 40 is located between the second substrate 30 and the first surface. In this way, the position of the light shielding layer 40 is made more flexible, and the variety of the position of the light shielding layer 40 and the flexibility of assembly are enhanced.
  • the second electrode layer 23 and the light-shielding layer 40 may be in contact with each other.
  • the light-shielding layer 40 can be a black light-shielding layer, and the specific manufacturing steps can refer to the following steps: coating a layer of photoresist layer on the second electrode layer 23, and then exposing, etching and developing the photoresist layer in processes such as At least part of the process is carried out to obtain a light shielding layer 40 including a light blocking region 41 and a light transmitting region 42 , and the second electrode layer 23 is in contact with the light shielding layer 40 .
  • the above-mentioned light-shielding layer 40 can be made of organic materials such as perfluorooctyl methacrylate or decyl methacrylate.
  • black dyes can be added to the above-mentioned organic materials or black light-shielding effects can be achieved. other materials, thereby enhancing the light-shielding effect of the light-shielding layer 40 .
  • the above-mentioned black dye can be added only in the light blocking region 41 , but does not need to be added in the light transmitting region 42 .
  • the thickness of the light shielding layer 40 may be in the order of micrometers.
  • the light shielding layer 40 may also be a black ink layer or a black plating layer.
  • the light-transmitting area 42 is made of a light-transmitting material.
  • the light blocking region 41 can also be made of a light-transmitting material or an opaque material.
  • a material having a light-shielding effect such as black dye can also be added to the light-transmitting material, so that the obtained light-blocking region 41 can also have a light-shielding effect.
  • the light-transmitting material may include materials such as glass or ceramics.
  • the light-transmitting area 42 is made of a light-transmitting material, only the photoresist layer in the above embodiment may be exposed and developed.
  • the light-transmitting region 42 is made of a light-transmitting material, it is unnecessary to open a through hole in the light-shielding layer 40 , thereby ensuring the structural integrity of the light-shielding layer 40 .
  • a second through hole is opened in the light-transmitting region 42 .
  • the second through hole may communicate with the first through hole 231 , and of course, the second through hole is also at least partially disposed opposite to the first through hole 231 .
  • the photoresist layer in the above embodiment needs to be exposed, developed and etched. A second through hole is opened.
  • the light can pass through the first through-hole 231 and the second through-hole in sequence, thereby enhancing the light transmittance of the display module, that is, reducing the The quantity of light reflected by the second electrode layer 23 increases the quantity of light projected out of the display module, thereby enhancing the display brightness of the display module.
  • the shape of the second through hole is adapted to the shape of the first through hole 231 .
  • the reflection effect of light at the connection between the inner wall of the second through hole and the inner wall of the first through hole 231 is reduced, so that the light passing through the second through hole and the first through hole 231 in sequence has a better passing effect.
  • the light shielding layer 40 is disposed on the second surface of the second substrate 30 , and the second surface is on the second substrate 30 facing the surface of the first surface.
  • the light shielding layer 40 is disposed in contact with the third surface of the second substrate 30 , and the third surface is on the second substrate 30 away from the first surface. surface of a surface.
  • the light-shielding layer 40 is disposed in contact with the fourth surface of the light-transmitting cover plate 50 , and the fourth surface is the upper surface of the light-transmitting cover plate 50 facing all the the surface of the second substrate 30 .
  • the positions of the light shielding layer 40 are not limited to the above three types, and the above three types are just an exemplary representation. In this way, since the arrangement position of the light shielding layer 40 is relatively flexible, the diversity of the position of the light shielding layer 40 and the flexibility of assembly are enhanced.
  • the light-shielding layer 40 can also be fixedly connected to the corresponding structure through a light-transmitting adhesive layer, for example, the light-shielding layer 40 is connected to the second surface, the third surface or the third surface of the second substrate 30 . , the fourth surface of the light-transmitting cover plate 50 is fixedly connected by the light-transmitting adhesive layer. In this way, the connection strength between the light shielding layer 40 and the corresponding structure can be further enhanced, thereby enhancing the connection strength of the entire display module.
  • the light-transmitting adhesive layer can be made of optically transparent adhesive (OCA/OCR), so that the use cost can be reduced, and the bonding effect can be better at the same time.
  • OCA/OCR optically transparent adhesive
  • an embodiment of the present application further provides an electronic device, including the display module in the above embodiment. Since the electronic device in the embodiment of the present application includes the display module in the above embodiment, it has the same characteristics as the above embodiment. The same beneficial technical effect of the display module in the For the specific structure of the display module, reference may be made to the corresponding descriptions in the above embodiments, and details are not repeated here.

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Abstract

本申请公开了一种显示模组和电子设备，属于通信技术领域。显示模组包括：第一基板、遮光层和多个像素单元，所述多个像素单元位于所述第一基板和所述遮光层之间，所述像素单元包括：第一电极层、发光层和第二电极层，所述发光层位于所述第一电极层和所述第二电极层之间，所述第一电极层位于所述第一基板和所述发光层之间，所述第二电极层上开设有第一通孔，所述第一通孔与所述发光层相对设置，所述第一通孔内设置有金属连接线；任意相邻的两个像素单元的所述第一通孔内的金属连接线之间电连接；所述遮光层包括阻光区域和透光区域，所述阻光区域与所述第一通孔错位设置，所述透光区域与所述第一通孔相对设置。

Description

显示模组和电子设备
相关申请的交叉引用
本申请主张在2020年8月17日在中国提交的中国专利申请No.202010825623.8的优先权，其全部内容通过引用包含于此。
技术领域
本申请属于通信技术领域，具体涉及一种显示模组和电子设备。
背景技术
随着电子技术的发展，显示模组的种类也越来越多。在有源矩阵有机发光二极体(Active-Matrix Organic Light-Emitting Diode，AMOLED)显示模组中，由于显示模组中电极层的反光较强，从而导致显示模组的亮度较低，即导致显示模组的显示效果较差。
发明内容
本申请实施例的目的是提供一种显示模组和电子设备，能够解决显示模组的显示效果较差的问题。
为了解决上述技术问题，本申请是这样实现的：
第一方面，本申请实施例提供了一种显示模组，包括：第一基板、遮光层和多个像素单元，所述多个像素单元位于所述第一基板和所述遮光层之间，所述像素单元包括：第一电极层、发光层和第二电极层，所述发光层位于所述第一电极层和所述第二电极层之间，所述第一电极层位于所述第一基板和所述发光层之间，所述第二电极层上开设有第一通孔，所述第一通孔与所述发光层相对设置，所述第一通孔内设置有金属连接线；
其中，任意相邻的两个像素单元的所述第一通孔内的金属连接线之间电连接；所述遮光层包括阻光区域和透光区域，所述透光区域与所述第一通孔相对设置。
第二方面，本申请实施例提供了一种电子设备，包括上述的显示模组。
在本申请实施例中，显示模组包括：基板、遮光层和多个像素单元，所述多个像素单元位于所述第一基板和所述遮光层之间，所述像素单元包括：第一电极层、发光层和第二电极层，所述发光层位于所述第一电极层和所述第二电极层之间，所述第一电极层位于所述第一基板和所述发光层之间，所述第二电极层上开设有第一通孔，所述第一通孔与所述发光层相对设置，所述第一通孔内设置有金属连接线；其中，任意相邻的两个像素单元的所述第一通孔内的金属连接线之间电连接；所述遮光层包括阻光区域和透光区域，所述透光区域与所述第一通孔相对设置。本实施例中，第二电极层上设置有第一通孔，第一通孔与发光层相对设置，从而使得发光层上发出的光线可以从第一通孔照射出显示模组，减少了第二电极层对光线的反射，从而增强了显示模组的显示亮度，增强了显示模组的显示效果。同时，由于设置有遮光层，使得光线可以只从第一通孔和遮光层的透光区域照射出显示模组，从而进一步增强了显示模组的显示亮度。
附图说明
图1是本申请实施例提供的一种显示模组的结构示意图之一；
图2是本申请实施例提供的一种显示模组中第二电极层的结构示意图之一；
图3是本申请实施例提供的一种显示模组中第二电极层的结构示意图之二；
图4是本申请实施例提供的一种显示模组的结构示意图之二；
图5是本申请实施例提供的一种显示模组的结构示意图之三；
图6是本申请实施例提供的一种显示模组的结构示意图之四。
具体实施方式
下面将结合本申请实施例中的附图，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作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施，且“第一”、“第二”等所区分的对象通常为一类，并不限定对象的个数，例如第一对象可以是一个，也可以是多个。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”，一般表示前后关联对象是一种“或”的关系。
下面结合附图，通过具体的实施例及其应用场景对本申请实施例提供的显示模组和电子设备进行详细地说明。
参见图1，如图1所示，显示模组包括：第一基板10、遮光层40和多个像素单元20，所述多个像素单元20位于所述第一基板10和所述遮光层40之间，所述像素单元20包括：第一电极层21、发光层22和第二电极层23，所述发光层22位于所述第一电极层21和所述第二电极层23之间，所述第一电极层21位于所述第一基板10和所述发光层22之间，所述第二电极层23上开设有第一通孔231，所述第一通孔231与所述发光层22相对设置，所述第一通孔231内设置有金属连接线232；
其中，任意相邻的两个像素单元20的所述第一通孔231内的金属连接线232之间电连接；所述遮光层40包括阻光区域41和透光区域42，所述阻光区域41与所述第一通孔231错位设置，所述透光区域42与所述第一通孔231相对设置。
需要说明的是，本申请实施例中的第二电极层23可以被称作为阴极层，第一电极层21可以被称作为阳极层。
其中，本申请实施例的工作原理可以参见以下表述：
本实施例中的显示模组中包括遮光层40，遮光层40的阻光区域41可以阻挡第二电极层23上的反射光线(该反射光线是发光层22上发出的部分光线照射至第二电极层23上未开设第一通孔231的位置形成的反射光线)，从而增强显示模组的对比度，增强了显示模组的显示效果，因此，本实施例中的遮光层40可以代替偏光片的作用，即本实施例中的显示模组中无须设置偏光片，从而减小了整个显示模组的厚度；同时，第二电极层23上设置有第一 通孔231，遮光层40还包括透光区域42，且透光区域42与第一通孔231相对设置，从而使得发光层22上发出的部分光线可以依次从第一通孔231和透光区域42照射出显示模组，从而增强了显示模组的显示亮度，增强了显示模组的显示效果，需要说明的是，该部分光线不会形成反射光线。
其中，第二电极层23和发光层22之间还可以设置有第一功能层，其中，第一功能层可以包括电子注入层、电子传输层和空穴阻挡层中的至少部分结构层；而发光层22和第一基板10之间还可以设置有第二功能层，第二功能层可以包括：依次层叠的电子阻挡层、空穴传输层、空穴注入层和阳极层等结构层中的至少部分结构层。
其中，作为一种可选的实施方式，所述第一通孔231与所述发光层22的形状适配。这样，与第一通孔231与发光层22的形状不适配的方式相比，可以减少发光层22发射的光线照射至第二电极层23的现象的出现，从而可以使得发光层22发射的光线在通过第一通孔231和透光区域42时更加便利，从而进一步增强显示模组的亮度。
另外，作为一种可选的实施方式，针对每个像素单元而言，其对应的第一通孔231的数量可以为1个，此时，该1个第一通孔231的尺寸与发光层22的尺寸适配，即可以是第一通孔的尺寸与发光层大小相同，或者稍大于发光层大小，或稍小于发光层大小；当然，作为另一种可选的实施方式，参见图4和图5，针对每个像素单元而言，第一通孔231的数量也可以为至少2个，此时，上述至少2个第一通孔231的尺寸之和与发光层22的尺寸适配。
需要说明的是，显示模组可以包括多个像素单元20，而每一个像素单元20中可以包括第一电极层21、发光层22和第二电极层23，上述多个像素单元20发出的光线的颜色至少部分不同，例如：上述多个像素单元20发出的光线的颜色可以包括红色、绿色和蓝色三种颜色，而相邻的几个像素单元20发出的光线的颜色可以不相同，这样，显示模组上通过控制的像素单元20发出不同颜色从而在显示模组上呈现各种各样的颜色。
另外，任意相邻的两个像素单元20中包括的第一电极层21可以连通，即上述多个像素单元20包括的第一电极层21可以为一体成型结构；同理，任意相邻的两个像素单元20中包括的第二电极层23可以连通，即上述多个 像素单元20包括的第二电极层23可以为一体成型结构；另外，任意相邻的两个像素单元20中包括的发光层22可以不连通，而像素单元20发出的颜色一般是发光层22的发出的光线的颜色；当然，也可以在显示模组中设置有滤光片，这样，通过滤光片的作用可以控制不同的像素单元20对应的位置显示不同的颜色。
其中，像素单元20也可以被称作为显示像素电极，多个像素单元20可以彼此电连接；当然，多个像素单元20可以包括：红色显示像素、绿色显示像素和蓝色显示像素。上述像素单元20可以相互进行组合，从而使得显示模组可以呈现多种颜色。
其中，参见图3，第一通孔231内设置有金属连接线232，而任意相邻两个第一通孔231内的金属连接线232电连接，这样，使得多个第一通孔231可以通过金属连接线232连接成一个整体，而在上述多个第一通孔231内可以进行导电，这样，既不影响第二电极层23的功能正常实现，同时又可以增强光线在第二电极层23上的透过率。
其中，金属连接线232的具体类型在此不做限定，作为一种可选的实施方式，金属连接线232可以为弧形连接。
作为另一种可选的实施方式，参见图3，所述金属连接线232为网格状连接线。
其中，当金属连接线232为网格状连接线时，网格的线宽和线距可以根据实际需要进行调整，以满足电性、光线透过率、显示模组的显示亮度和整体外观等方面的要求。
其中，任意相邻两个第一通孔231内的金属连接线232电连接，这样，可以使得所有的第一通孔231内的金属连接线232连接成一个整体，从而增强了金属连接线232的导电性能。
本申请实施方式中，由于金属连接线232为网格状连接线，这样，一定程度上增大了连接线的面积，增强了连接线的连接强度，从而增强了导电效果，同时，对光线的透过性能影响较小。
也就是说：本实施方式中由于设置了遮光层40，且金属连接线232为网格状连接线，从而可以最大限度的降低第二电极层23对光线的反射效果，提 升了显示模组的显示亮度和对比度，降低了显示模组的功耗。同时，由于遮光层40可以替代偏光片的作用，则可以取消偏光片，从而降低了显示模组的厚度，同时还取消了加工步骤中的显示模组的偏光片贴合工艺，简化模组制程，降低了使用成本。
作为一种可选的实施方式，所述显示模组还包括第二基板30和透光盖板50，所述第二基板30朝向所述第二电极层23的第一表面设置，且所述第二基板30位于所述透光盖板50和所述第一表面之间，所述第一表面为第二电极层23的背离所述发光层22的表面。这样，由于显示模组还包括第二基板30和透光盖板50，从而可以对像素单元20起到保护作用。
其中，第二基板30和第一基板10可以均为玻璃板，而透光盖板50也可以为玻璃板，这样，降低了使用成本，同时又可以增强第二基板30、第一基板10和透光盖板50的透光性能。
上述第一基板10可以被称作为下玻璃层，而下玻璃层可以采用低温多晶硅(Low Temperature Poly-Silicon，LTPS)制成。而第二基板30可以被称作为上玻璃层，上玻璃层又可以被称作为ENCAP玻璃层。
其中，需要说明的是，遮光层40的位置在此不做限定，例如：作为一种可选的实施方式，所述遮光层40位于所述第二基板30和所述透光盖板50之间，或者，作为另一种可选的实施方式，所述遮光层40位于所述第二基板30与所述第一表面之间。这样，使得遮光层40的位置较为灵活，增强了遮光层40位置的多样性和装配的灵活性。
例如：当遮光层40位于第二电极层23的第一表面和第二基板30之间的情况下，作为一种可选的实施方式，第二电极层23与遮光层40之间可以抵接，当然，作为另一种可选的实施方式，参见图1，第二电极层23与遮光层40之间也可以具有间隙60。上述两种具体实施方式在此不做具体限定。
其中，遮光层40可以为黑色遮光层，具体制作步骤可以参见以下步骤：在第二电极层23之上涂布一层光阻层，然后对该光阻层进行曝光、蚀刻以及显影等工艺中的至少部分工艺，从而制取得到包括阻光区域41和透光区域42的遮光层40，且第二电极层23与遮光层40之间抵接。
需要说明的是，上述遮光层40的制作材料可以选用全氟辛基甲基丙烯酸 酯或者癸基甲基丙烯酸酯等有机材料，另外还可以在上述有机材料中添加黑色染料或者可以达到黑色遮光效果的其他材料，从而增强遮光层40的遮光效果。当然，上述黑色染料可以只在阻光区域41中进行添加，在透光区域42中则不需要进行添加。另外，上述遮光层40的厚度可以为微米级别。另外，遮光层40还可以为黑色油墨层或者黑色镀层等结构。
作为一种可选的实施方式，所述透光区域42采用透光材料制成。当然，阻光区域41也可以采用透光材料制成，也可以采用不透光材料制成。但是，当阻光区域41中采用透光材料制成的情况下，同时还可以在透光材料中添加黑色染料等具有遮光效果的材料，从而使得得到的阻光区域41同样可以具有遮光效果。
其中，透光材料可以包括玻璃或者陶瓷等材料。
需要说明的是，当透光区域42采用透光材料制成时，可以只对上述实施例中的光阻层进行曝光以及显影工艺。
本实施方式中，由于透光区域42采用透光材料制成，这样，无须在遮光层40上开设通孔，从而可以保证遮光层40结构的完整性。
作为另一种可选的实施方式，所述透光区域42内开设有第二通孔。
其中，第二通孔可以与第一通孔231连通，当然，第二通孔也至少部分与第一通孔231相对设置。
需要说明的是，当透光区域42内开设有第二通孔的情况下，需要对上述实施例中的光阻层进行曝光、显影以及蚀刻工艺，通过上述蚀刻工艺可以在透光区域42内开设有第二通孔。
本申请实施方式中，由于透光区域42内开设有第二通孔，这样，光线可以依次通过第一通孔231和第二通孔，从而增强了显示模组的透光性，即减少了被第二电极层23所反射的光线的数量，增加了投射出显示模组的光线的数量，从而增强了显示模组的显示亮度。
其中，作为一种可选的实施方式，所述第二通孔的形状与所述第一通孔231的形状适配。这样，减少了第二通孔的内壁与第一通孔231的内壁的连接处对光线的反射效果，使得光线在依次通过第二通孔和第一通孔231的通过效果较好。
其中，作为一种可选的实施方式，参见图4，所述遮光层40贴合所述第二基板30的第二表面设置，所述第二表面为所述第二基板30上朝向所述第一表面的表面。
作为另一种可选的实施方式，参见图5，所述遮光层40贴合所述第二基板30的第三表面设置，所述第三表面为所述第二基板30上背离所述第一表面的表面。
作为另一种可选的实施方式，参见图6，所述遮光层40贴合所述透光盖板50的第四表面设置，所述第四表面为所述透光盖板50上朝向所述第二基板30的表面。
当然，遮光层40的位置并不仅限于上述三种，上述三种只是一种示例性表述。这样，由于遮光层40的设置位置较为灵活，从而增强了遮光层40位置的多样性和装配的灵活性。
需要说明的是，在上述多种实施方式中，遮光层40还可以通过透光粘接层与对应的结构固定连接，例如：遮光层40与第二基板30的第二表面、第三表面或者，透光盖板50的第四表面通过透光粘接层固定连接。这样，可以进一步增强遮光层40与对应的结构之间的连接强度，进而增强整个显示模组的连接强度。
其中，作为一种可选的实施方式，透光粘接层可以采用光学透明胶(OCA/OCR)制成，这样，可以降低使用成本，同时还可以使得粘接效果较好。
可选地，本申请实施例还提供一种电子设备，包括上述实施例中的显示模组，由于本申请实施例中的电子设备包括上述实施例中的显示模组，因此具有与上述实施例中显示模组相同的有益技术效果。而显示模组的具体结构可以参见上述实施例中的相应表述，具体在此不再赘述。
上面结合附图对本申请的实施例进行了描述，但是本申请并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本申请的保护之内。

Claims (10)

  1. 一种显示模组，包括：第一基板(10)、遮光层(40)和多个像素单元(20)，其中，所述多个像素单元(20)位于所述第一基板(10)和所述遮光层(40)之间，所述像素单元(20)包括：第一电极层(21)、发光层(22)和第二电极层(23)，所述发光层(22)位于所述第一电极层(21)和所述第二电极层(23)之间，所述第一电极层(21)位于所述第一基板(10)和所述发光层(22)之间，所述第二电极层(23)上开设有第一通孔(231)，所述第一通孔(231)与所述发光层(22)相对设置，所述第一通孔(231)内设置有金属连接线(232)；
    其中，任意相邻的两个像素单元(20)的所述第一通孔(231)内的金属连接线(232)之间电连接；所述遮光层(40)包括阻光区域(41)和透光区域(42)，所述透光区域(42)与所述第一通孔(231)相对设置。
  2. 根据权利要求1所述的显示模组，其中，所述金属连接线(232)为网格状连接线。
  3. 根据权利要求1所述的显示模组，其中，所述显示模组还包括第二基板(30)和透光盖板(50)，所述第二基板(30)朝向所述第二电极层(23)的第一表面设置，且所述第二基板(30)位于所述透光盖板(50)和所述第二电极层(23)之间，所述第一表面为所述第二电极层(23)的背离所述发光层(22)的表面；
    其中，所述遮光层(40)位于所述第二基板(30)和所述透光盖板(50)之间，或者，所述遮光层(40)位于所述第二基板(30)与所述第二电极层(23)之间。
  4. 根据权利要求3所述的显示模组，其中，所述遮光层(40)贴合所述第二基板(30)的第二表面设置，所述第二表面为所述第二基板(30)朝向所述第一表面的表面。
  5. 根据权利要求3所述的显示模组，其中，所述遮光层(40)贴合所述第二基板(30)的第三表面设置，所述第三表面与所述第二表面相背。
  6. 根据权利要求3所述的显示模组，其中，所述遮光层(40)贴合所述 透光盖板(50)的第四表面设置，所述第四表面为所述透光盖板(50)朝向所述第二基板(30)的表面。
  7. 根据权利要求1所述的显示模组，其中，所述透光区域(42)采用透光材料制成。
  8. 根据权利要求1所述的显示模组，其中，所述透光区域(42)内开设有第二通孔。
  9. 根据权利要求8所述的显示模组，其中，所述第二通孔的形状与所述第一通孔(231)的形状适配。
  10. 一种电子设备，包括权利要求1-9中任一项所述的显示模组。
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CN111969124A (zh) * 2020-08-17 2020-11-20 维沃移动通信有限公司 显示模组和电子设备

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