WO2020168608A1 - 大尺寸显示面板及其制作方法 - Google Patents

大尺寸显示面板及其制作方法 Download PDF

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Publication number
WO2020168608A1
WO2020168608A1 PCT/CN2019/079172 CN2019079172W WO2020168608A1 WO 2020168608 A1 WO2020168608 A1 WO 2020168608A1 CN 2019079172 W CN2019079172 W CN 2019079172W WO 2020168608 A1 WO2020168608 A1 WO 2020168608A1
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Prior art keywords
size display
display panel
small
size
area
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PCT/CN2019/079172
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English (en)
French (fr)
Inventor
梁晓明
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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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Publication of WO2020168608A1 publication Critical patent/WO2020168608A1/zh

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
    • 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

Definitions

  • This application relates to the technical field of display panels, and in particular to a large-size display panel and a manufacturing method thereof.
  • Organic Light Emitting Diode OLED Organic Light Emitting Diode
  • RGB-SBS RGB Side By Side
  • WOLED+CF White OLED+Color Filter
  • the RGB-SBS type OLED is composed of red, green, and blue pixels emitting light respectively, which can not only obtain better color saturation, but also save power, but the red, green, and blue pixels must pass through a fine metal mask ( Fine Metal Mask, FMM) is obtained by evaporation. Because large-size FMM is difficult to prepare and the yield is low, the structure of RGB-SBS OLED is usually only used for small-size OLED display devices, and it is difficult to achieve high-resolution large-size OLED display Production of equipment.
  • Fine Metal Mask, FMM Fine Metal Mask
  • the present application provides a large-size display panel and a manufacturing method thereof.
  • the high-resolution large-size display panel is fabricated by folding and splicing high-resolution small-size display panels, which solves the difficulty in manufacturing high-resolution and large-size display panels. The problem.
  • the embodiment of the present application provides a method for manufacturing a large-size display panel, including:
  • each of the small-size display panels includes a display area and a folding area;
  • the folded multiple small-size display panels are spliced into a large-size display panel, so that the display areas of any two adjacent small-size display panels are adjacent to each other.
  • the manufacturing of multiple small-size display panels includes:
  • the small-size display panel includes a flexible substrate and red, green, and blue pixels arranged on the flexible substrate.
  • the splicing multiple small-size display panels after folding into a large-size display panel includes:
  • the folded multiple small-size display panels are spliced on the transparent substrate to form a large-size display panel.
  • the splicing a plurality of folded small-size display panels on the transparent substrate to form a large-size display panel includes:
  • the multiple small-size display panels after splicing are packaged with a flexible cover on the side away from the transparent substrate to form a large-size display panel.
  • the folding area includes part or all of the non-display area, and the non-display area surrounds the display area.
  • the manufacturing method further includes:
  • the spliced multiple small-size display panels are electrically connected to the central control circuit respectively.
  • the embodiment of the present application also provides a large-size display panel, including:
  • Each of the small-sized display panels includes a display area and a folding area
  • each small-size display panel is folded on the back of its display area, and the display areas of any two adjacent small-size display panels are adjacent to each other.
  • the small-size display panel includes a flexible substrate and red, green, and blue pixels provided on the flexible substrate.
  • the large-size display panel further includes a transparent substrate; a plurality of small-size display panels are spliced on the transparent substrate.
  • the folding area includes a part or all of a non-display area, and the non-display area surrounds the display area.
  • the large-size display panel further includes a central control circuit, and the central control circuit is electrically connected to each of the small-size display panels.
  • the beneficial effect of this application is: folding the folding areas of multiple small-size display panels on the back of the display area, and then splicing each other to form a large-size display panel, because the large-size display panel is directly spliced by the folded small-size display panel
  • the structure of the display area of each small-size display panel is not changed, and the high-resolution small-size display panel is easy to realize, so that the large-size display panel obtained by splicing retains the characteristics of high resolution, thereby achieving high resolution Rate of large-size display panel.
  • FIG. 1 is a schematic block diagram of a process flow of a method for manufacturing a large-size display panel provided by an embodiment of the application;
  • FIG. 2 is a schematic cross-sectional view of a small-size display panel provided by an embodiment of the application
  • FIG. 3 is a top view of a small-size display panel provided by an embodiment of the application.
  • FIG. 4 is a top view of another small-size display panel provided by an embodiment of the application.
  • FIG. 5 is a schematic diagram of the structure of FMM and red, green and blue pixels provided by an embodiment of the application;
  • FIG. 6 is a schematic back view of a large-size display panel provided by an embodiment of the application.
  • FIG. 7 is a schematic front view of a large-size display panel provided by an embodiment of the application.
  • FIG. 8 is a schematic front view of another large-size display panel provided by an embodiment of the application.
  • FIG. 9 is a schematic back view of another large-size display panel provided by an embodiment of the application.
  • connection should be interpreted broadly unless otherwise clearly specified and limited.
  • it can be a fixed connection or a detachable connection. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
  • connection should be interpreted broadly unless otherwise clearly specified and limited.
  • it can be a fixed connection or a detachable connection. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
  • an embodiment of the present application provides a manufacturing method of a large-size display panel 1, including the following steps:
  • Step S101 Making multiple small-size display panels; each small-size display panel includes a display area and a folding area.
  • the small-size display panel 2 includes an OLED display panel. Of course, it can also be other types of display panels.
  • the OLED display panel is taken as an example in the embodiment of the present application.
  • the small-size display panel 2 includes a flexible substrate 25, such as a flexible TFT (Thin Film Transistor (thin film transistor) substrate, and red (R), green (G), and blue (B) pixels 26 juxtaposed on the flexible substrate 25.
  • Each small-sized display panel 2 includes a display area 21 and a folding area 22 that can be folded. The red, green and blue pixels 26 are arranged corresponding to the display area 21.
  • manufacturing multiple small-size display panels 2 includes: manufacturing multiple small-size display panels 2 by FMM 3 evaporation process.
  • the device structure of the small-size display panel 2 can be formed on the flexible substrate 25 by using the FMM 3 evaporation process, and this method can produce the small-size display panel 2 with high resolution.
  • Step S102 Fold the folding area of each small-size display panel to the back of the display area.
  • each small-sized display panel 2 Since the folding area 22 of each small-sized display panel 2 is provided with metal wiring, the folding area 22 cannot be cut directly. In this embodiment, as shown in FIG. 6, the folding area 22 of each small-sized display panel 2 Fold 180° toward the back of the display area 21 until it is attached to the back of the display area 21. While reducing the frame of the small-sized display panel 2, try to minimize the thickness of the folded small-sized display panel 2.
  • Step S103 splicing the folded multiple small-size display panels into a large-size display panel, so that the display areas of any two adjacent small-size display panels are adjacent to each other.
  • the multiple small-sized display panels 2 after being folded are spliced together according to the ratio of length and width. Specifically, the display areas 21 of any two adjacent small-sized display panels 2 are adjacent to each other.
  • the splicing gap at the small splicing place forms a large-size display panel 1, and the formed large-size display panel 1 has a high resolution equivalent to that of the small-size display panel 2, and realizes the production of a high-resolution large-size display panel 1.
  • splicing the folded multiple small-size display panels 2 into a large-size display panel 1 includes: providing a transparent substrate 4; splicing the multiple small-size display panels 2 after folding on the transparent substrate 4, A large-size display panel 1 is formed.
  • a transparent substrate 4 is required as a support.
  • the front of each small-size display panel 2 is placed toward the transparent substrate 4.
  • the back side (the side away from the transparent substrate 4) is packaged with a flexible cover plate or a thin-film package (Thin-Film Encapsulation, TFE) to form a large-size display panel 1.
  • TFE Thin-Film Encapsulation
  • the folding area 22 includes part or all of the non-display area 23, and the non-display area 23 surrounds the display area 21.
  • the small-sized display panel 2 also includes a non-display area 23 that surrounds the display area 21.
  • the folding area 22 may include a part of the non-display area 23.
  • the folding area 22 only includes a part of the non-display area 23, forming The large-size display panel 1 is shown in FIG. 7, and the binding area 24 is located at the frame of the large-size display panel 1.
  • the folding area 22 may also include all the non-display areas 23.
  • the large-size display panel 1 formed is as shown in FIG. Compared with the large-size display panel 1 in the middle, the frame of the panel is narrower.
  • the manufacturing method further includes: providing a central control circuit 5; and electrically connecting the spliced multiple small-sized display panels 2 with the central control circuit 5 respectively.
  • Each small-size display panel 2 is electrically connected to the central control circuit 5, so that the central control circuit 5 can control multiple spliced small-size display panels 2 at the same time, ensuring that the display images of the large-size display panel 1 are complete and consistent.
  • an embodiment of the present application also provides a large-size display panel 1, including: a plurality of small-size display panels 2 spliced with each other; each small-size display panel 2 includes a display area 21 and a folding Area 22; the folding area 22 of each small-size display panel 2 is folded on the back of its display area 21, and the display areas 21 of any two adjacent small-size display panels 2 are adjacent to each other.
  • Small-size display panels 2 such as small-size OLED display panels, can easily achieve high resolution. Fold the folding areas 22 of multiple small-size display panels 2 on the back of the display area 21, and then join each other to form a large-size display panel 1. Since the large-size display panel 1 is directly spliced by the folded small-size display panels 2, the structure of the display area 21 of each small-size display panel 2 is not changed, so that the large-size display panel 1 retains the characteristics of high resolution , Thereby achieving the production of a high-resolution large-size display panel 1. In addition, in this embodiment, because the folding area 22 of each small-sized display panel 2 is folded to the back of the display area 21, the splicing gap of the large-sized display panel 1 is narrow, which improves the continuity of the display screen and improves the display effect.
  • the small-sized display panel 2 includes a flexible substrate 25 and red, green, and blue pixels 26 arranged on the flexible substrate 25.
  • the small-size display panel 2 includes a small-size OLED display panel in which red, green, and blue pixels 26 are juxtaposed.
  • the small-size display panel 2 includes a flexible substrate 25, such as a flexible TFT substrate, and also includes red, green, and blue pixels juxtaposed on the substrate.
  • the blue pixels 26, the red, green and blue pixels 26 include light-emitting layers composed of red, green and blue organic light-emitting materials, and the entire small-sized display panel 2 can be bent and folded,
  • the large-size display panel 1 further includes a transparent substrate 4 (or large-size glass); a plurality of small-size display panels 2 are spliced on the transparent substrate 4.
  • each small-size display panel 2 When splicing small-size display panels 2, a transparent substrate 4 is needed as a support. The front of each small-size display panel 2 is placed toward the transparent substrate 4. After splicing, it needs to be placed on the back of each small-size display panel 2 (the side away from the transparent substrate 4). ) Adopt flexible cover plate package or adopt TFE package to form a large-size display panel 1.
  • the folding area 22 includes part or all of the non-display area 23, and the non-display area 23 surrounds the display area 21.
  • the small-sized display panel 2 also includes a non-display area 23 that surrounds the display area 21.
  • the folding area 22 may include a part of the non-display area 23.
  • the folding area 22 only includes a part of the non-display area 23.
  • the folding area 22 may also include all the non-display areas 23, for example, the binding area 24 is on the back of the display area 21.
  • the large-size display panel 1 further includes a central control circuit 5, and the central control circuit 5 is electrically connected to each small-size display panel 2.
  • each small-size display panel 2 is electrically connected to the central control circuit 5, so that the central control circuit 5 can control multiple spliced small-size display panels 2 at the same time, ensuring that the display screen of the large-size display panel 1 is complete and consistent. .
  • an embodiment of the present application also provides a large-size display panel 1, comprising: a plurality of small-size display panels 2, a transparent substrate 4, and a central control circuit 5 spliced with each other, and a small-size display panel 2 includes a flexible TFT substrate, red, green, and blue pixels 26, and a flexible cover 27 in turn.
  • a small-sized display panel 2 is formed with a display area 21, a folding area 22, and a binding area 24, wherein the folding area 22 and the binding area The areas 24 together constitute a non-display area 23 surrounding the display area 21.
  • each small-sized display panel 2 is folded on the back of the display area 21; the small-sized display panels 2 spliced with each other are placed on the transparent substrate 4 , The front of each display area 21 faces the transparent substrate 4, and the display areas 21 of any two adjacent small-size display panels 2 are adjacent; the spliced multiple small-size display panels 2 are connected to the center of each binding area 24, respectively.
  • the control circuit 5 is electrically connected.
  • the small-size display panel 2 (small-size OLED display panel) composed of a flexible TFT substrate, red, green, and blue pixels 26 and a flexible cover 27 has many advantages such as self-luminescence, fast response, high brightness, lightness and thinness, and more importantly It has high resolution and good flexibility.
  • the folding area 22 of multiple small-sized display panels 2 is folded on the back of the display area 21, then spliced with each other, and controlled by the central control circuit 5 at the same time to form a large-sized display panel 1. Since the large-sized display panel 1 is directly spliced by the folded small-sized display panels 2, the structure of the display area 21 of each small-sized display panel 2 is not changed, so that the large-sized display panel 1 retains the characteristics of high resolution. A high-resolution large-size display panel 1 is realized.

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Abstract

一种大尺寸显示面板（1）及其制作方法，制作方法包括：制作多个小尺寸显示面板（2）；每个小尺寸显示面板（2）包括显示区（21）和折叠区（22）；将每个小尺寸显示面板（2）的折叠区（22）折叠到显示区（21）的背面；将折叠后的多个小尺寸显示面板（2）拼接为大尺寸显示面板（1），使任意相邻的两个小尺寸显示面板（2）的显示区（21）相邻接。

Description

大尺寸显示面板及其制作方法 技术领域
本申请涉及显示面板技术领域，尤其涉及一种大尺寸显示面板及其制作方法。
 背景技术
这里的陈述仅提供与本申请有关的背景信息，而不必然地构成现有技术。
有机发光二极管OLED（Organic Light Emitting Diode）由于其具有柔性，响应时间快，色域广，能耗低等特点得到很大的关注和发展。目前常见全彩OLED技术主要包含红、绿、蓝像素并置法（RGB-SBS，RGB Side By Side）以及白光OLED+彩色滤光片（WOLED+CF，White OLED+Color Filter）技术。
其中，RGB-SBS型OLED由红、绿、蓝像素分别发光所组成，不仅能获得较佳的色彩饱和度，还能省电，但红、绿、蓝像素必须要通过精细金属掩膜版（Fine Metal Mask，FMM）蒸镀获得，由于大尺寸的FMM难于制备，良率低，RGB-SBS型OLED的结构通常只能用于小尺寸OLED显示设备，很难实现高分辨率的大尺寸OLED显示设备的制作。
 技术问题
本申请提供一种大尺寸显示面板及其制作方法，通过将高分辨率的小尺寸显示面板折叠后拼接制作高分辨率的大尺寸显示面板，解决了高分辨率、大尺寸的显示面板制作困难的问题。
 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：
本申请实施例提供了一种大尺寸显示面板的制作方法，包括：
制作多个小尺寸显示面板；每个所述小尺寸显示面板包括显示区和折叠区；
将每个所述小尺寸显示面板的折叠区折叠到所述显示区的背面；以及
将折叠后的多个小尺寸显示面板拼接为大尺寸显示面板，使任意相邻的两个小尺寸显示面板的显示区相邻接。
在本申请实施例提供的大尺寸显示面板的制作方法中，所述制作多个小尺寸显示面板，包括：
采用FMM蒸镀工艺制作多个小尺寸显示面板。
在本申请实施例提供的大尺寸显示面板的制作方法中，所述小尺寸显示面板包括柔性基板以及设置在所述柔性基板上的红色、绿色和蓝色像素。
在本申请实施例提供的大尺寸显示面板的制作方法中，所述将折叠后的多个小尺寸显示面板拼接为大尺寸显示面板，包括：
提供透明基板；
将折叠后的多个小尺寸显示面板拼接在所述透明基板上，形成大尺寸显示面板。
在本申请实施例提供的大尺寸显示面板的制作方法中，所述将折叠后的多个小尺寸显示面板拼接在所述透明基板上，形成大尺寸显示面板，包括：
将折叠后的多个小尺寸显示面板拼接在所述透明基板上；
在拼接后的多个小尺寸显示面板远离所述透明基板的一侧采用柔性盖板封装，形成大尺寸显示面板。
在本申请实施例提供的大尺寸显示面板的制作方法中，所述折叠区包括部分或全部非显示区，所述非显示区围绕在所述显示区的四周。
在本申请实施例提供的大尺寸显示面板的制作方法中，所述制作方法还包括：
提供中央控制电路；
将拼接后的多个小尺寸显示面板分别与所述中央控制电路电性连接。
本申请实施例还提供了一种大尺寸显示面板，包括：
多个互相拼接的小尺寸显示面板；
每个所述小尺寸显示面板包括显示区和折叠区；以及
每个所述小尺寸显示面板的折叠区折叠在其显示区的背面，任意相邻的两个小尺寸显示面板的显示区相邻接。
在本申请实施例提供的大尺寸显示面板中，所述小尺寸显示面板包括柔性基板以及设置在所述柔性基板上的红色、绿色和蓝色像素。
在本申请实施例提供的大尺寸显示面板中，所述大尺寸显示面板还包括透明基板；多个小尺寸显示面板拼接在所述透明基板上。
在本申请实施例提供的大尺寸显示面板中，所述折叠区包括部分或全部非显示区，所述非显示区围绕在所述显示区的四周。
在本申请实施例提供的大尺寸显示面板中，所述大尺寸显示面板还包括中央控制电路，所述中央控制电路与每个所述小尺寸显示面板电性连接。
 有益效果
本申请的有益效果为：将多个小尺寸显示面板的折叠区折叠在显示区的背面，然后互相拼接，可形成大尺寸显示面板，由于大尺寸显示面板由折叠后的小尺寸显示面板直接拼接而成，没有改变各个小尺寸显示面板的显示区的结构，而高分辨率的小尺寸显示面板很容易实现，使拼接得到的大尺寸显示面板保留了高分辨率的特点，从而实现了高分辨率的大尺寸显示面板。
 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申请的一些实施例，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一种大尺寸显示面板的制作方法的流程示意框图；
图2为本申请实施例提供的一种小尺寸显示面板的截面示意图；
图3为本申请实施例提供的一种小尺寸显示面板的俯视图；
图4为本申请实施例提供的另一种小尺寸显示面板的俯视图；
图5为本申请实施例提供的FMM与红色、绿色和蓝色像素的结构示意图；
图6为本申请实施例提供的一种大尺寸显示面板的背面示意图；
图7为本申请实施例提供的一种大尺寸显示面板的正面示意图；
图8为本申请实施例提供的另一种大尺寸显示面板的正面示意图；
图9为本申请实施例提供的另一种大尺寸显示面板的背面示意图。
 本发明的实施方式
这里所公开的具体结构和功能细节仅仅是代表性的，并且是用来描述本申请的示例性实施例的目的。但是本申请可以通过许多替换形式来具体实现，并且不应当被解释成仅仅受限于这里所阐述的实施例。
在本申请的描述中，需要理解的是，术语“中心”、“横向”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”仅用来描述目的，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一个或者更多个该特征。在本申请的描述中，除非另有说明，“多个”的含义是两个或两个以上。另外，术语“包括”及其任何变形，意图在于覆盖不排他的包含。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
这里所使用的术语仅仅是为了描述具体实施例而不意图限制示例性实施例。除非上下文明确地另有所指，否则这里所使用的单数形式“一个”、“一项”还意图包括复数。还应当理解的是，这里所使用的术语“包括”和/或“包含”规定所陈述的特征、整数、步骤、操作、单元和/或组件的存在，而不排除存在或添加一个或更多其他特征、整数、步骤、操作、单元、组件和/或其组合。
下面结合附图和实施例对本申请作进一步说明。
如图1所示，本申请实施例提供了一种大尺寸显示面板1的制作方法，包括以下步骤：
步骤S101：制作多个小尺寸显示面板；每个小尺寸显示面板包括显示区和折叠区。
具体的，如图2至图4所示，小尺寸显示面板2包括OLED显示面板，当然，也可以是其他类型的显示面板，本申请实施例中以OLED显示面板为例。小尺寸显示面板2包括柔性基板25，例如柔性TFT（Thin Film Transistor，薄膜晶体管）基板，以及并置在柔性基板25上的红色（R）、绿色（G）和蓝色（B）像素26。每个小尺寸显示面板2包括显示区21和可以折叠的折叠区22。红色、绿色和蓝色像素26对应显示区21设置。
本一实施例中，如图5所示，制作多个小尺寸显示面板2，包括：采用FMM 3蒸镀工艺制作多个小尺寸显示面板2。
具体的，小尺寸显示面板2的器件结构可以采用FMM 3蒸镀工艺在柔性基板25上形成，该方法可以制得高分辨率的小尺寸显示面板2。
步骤S102：将每个小尺寸显示面板的折叠区折叠到显示区的背面。
由于每个小尺寸显示面板2的折叠区22设置有金属走线，故折叠区22不可以直接切除，本实施例中，如图6所示，将每个小尺寸显示面板2的折叠区22向显示区21的背面折叠180°，直至与显示区21的背面贴合，在减小了小尺寸显示面板2的边框的同时，尽量控制折叠后的小尺寸显示面板2的厚度最小。
步骤S103：将折叠后的多个小尺寸显示面板拼接为大尺寸显示面板，使任意相邻的两个小尺寸显示面板的显示区相邻接。
如图7所示，折叠后的多个小尺寸显示面板2依据长度和宽度的比例规则的拼接起来，具体的，任意相邻的两个小尺寸显示面板2的显示区21相邻接，减小拼接处的拼接缝隙，形成一个大尺寸显示面板1，形成的大尺寸显示面板1具有和小尺寸显示面板2相当的高分辨率，实现了高分辨率的大尺寸显示面板1的制作。
在一实施例中，将折叠后的多个小尺寸显示面板2拼接为大尺寸显示面板1，包括：提供透明基板4；将折叠后的多个小尺寸显示面板2拼接在透明基板4上，形成大尺寸显示面板1。
如图6和图7所示，拼接小尺寸显示面板2时需要透明基板4作为支撑，各个小尺寸显示面板2的正面朝向透明基板4放置，拼接后，还需要在各个小尺寸显示面板2的背面（远离透明基板4的一侧）采用柔性盖板封装或采用薄膜封装(Thin-Film Encapsulation ,TFE)，形成大尺寸显示面板1。
在一实施例中，如图3和图4所示，折叠区22包括部分或全部非显示区23，非显示区23围绕在显示区21的四周。
小尺寸显示面板2还包括非显示区23，非显示区23围绕在显示区21的四周。如图3所示，折叠区22可以包括部分非显示区23，例如小尺寸显示面板2的绑定区24在面内的非显示区23时，折叠区22只包括部分非显示区23，形成的大尺寸显示面板1如图7所示，绑定区24位于大尺寸显示面板1的边框处。当然，如图4所示，折叠区22还可以包括全部非显示区23，例如绑定区24在显示区21的背面的情况，形成的大尺寸显示面板1如图8所示，与图7中的大尺寸显示面板1相比，面板的边框更窄了。
在一实施例中，如图9所示，制作方法还包括：提供中央控制电路5；将拼接后的多个小尺寸显示面板2分别与中央控制电路5电连接。
每个小尺寸显示面板2都与中央控制电路5电连接，使得中央控制电路5可以同时控制多个拼接的小尺寸显示面板2，保证大尺寸显示面板1的显示画面完整连贯。
如图6和图7所示，本申请实施例还提供了一种大尺寸显示面板1，包括：多个互相拼接的小尺寸显示面板2；每个小尺寸显示面板2包括显示区21和折叠区22；每个小尺寸显示面板2的折叠区22折叠在其显示区21的背面，任意相邻的两个小尺寸显示面板2的显示区21相邻接。
小尺寸显示面板2，例如小尺寸OLED显示面板，高分辨率很容易实现，将多个小尺寸显示面板2的折叠区22折叠在显示区21的背面，然后互相拼接，可形成大尺寸显示面板1，由于大尺寸显示面板1由折叠后的小尺寸显示面板2直接拼接而成，没有改变各个小尺寸显示面板2的显示区21的结构，使大尺寸显示面板1保留了高分辨率的特点，从而实现了高分辨率的大尺寸显示面板1的制作。此外，本实施例中，因为各个小尺寸显示面板2的折叠区22折叠到显示区21的背面，使得大尺寸显示面板1的拼接缝隙窄，提高了显示画面的连贯性，改善了显示效果。
在一实施例中，如图2所示，小尺寸显示面板2包括柔性基板25以及设置在柔性基板25上的红、绿、蓝像素26。
小尺寸显示面板2包括红、绿、蓝像素26并置的小尺寸OLED显示面板，该小尺寸显示面板2包括柔性基板25，例如柔性TFT基板，还包括并置在基板上的红、绿、蓝像素26，红、绿和蓝像素26包括红色、绿色和蓝色有机发光材料组成的发光层，整个小尺寸显示面板2可弯曲折叠，
在一实施例中，如图6和图7所示，大尺寸显示面板1还包括透明基板4（或大尺寸玻璃）；多个小尺寸显示面板2拼接在透明基板4上。
拼接小尺寸显示面板2时需要透明基板4作为支撑，各个小尺寸显示面板2的正面朝向透明基板4放置，拼接后，还需要在各个小尺寸显示面板2的背面（远离透明基板4的一侧）采用柔性盖板封装或采用TFE封装，形成大尺寸显示面板1。
在一实施例中，如图3和图4所示，折叠区22包括部分或全部非显示区23，非显示区23围绕在显示区21的四周。
小尺寸显示面板2还包括非显示区23，非显示区23围绕在显示区21的四周。折叠区22可以包括部分非显示区23，例如小尺寸显示面板2的绑定区24在面内的非显示区23时，折叠区22只包括部分非显示区23。当然，折叠区22还可以包括全部非显示区23，例如绑定区24在显示区21的背面的情况。
在一实施例中，如图9所示，大尺寸显示面板1还包括中央控制电路5，中央控制电路5与每个小尺寸显示面板2电性连接。
本实施例中，每个小尺寸显示面板2都与中央控制电路5电连接，使得中央控制电路5可以同时控制多个拼接的小尺寸显示面板2，保证大尺寸显示面板1的显示画面完整连贯。
如图2至图9所示，本申请实施例还提供了一种大尺寸显示面板1，包括：多个互相拼接的小尺寸显示面板2、透明基板4和中央控制电路5，小尺寸显示面板2依次包括柔性TFT基板、红、绿、蓝像素26以及柔性盖板27，每个小尺寸显示面板2形成有显示区21、折叠区22和绑定区24，其中，折叠区22和绑定区24一起构成围绕在显示区21四周的非显示区23，每个小尺寸显示面板2的折叠区22折叠在其显示区21的背面；互相拼接的小尺寸显示面板2置于透明基板4上，各显示区21的正面朝向透明基板4，任意相邻的两个小尺寸显示面板2的显示区21相邻接；拼接后的多个小尺寸显示面板2在各绑定区24分别与中央控制电路5电连接。
由柔性TFT基板、红色、绿色、蓝色像素26以及柔性盖板27组成的小尺寸显示面板2（小尺寸OLED显示面板），具有自发光、反应快、亮度高、轻薄等诸多优点，更重要的是具有高分辨率以及柔性好，将多个小尺寸显示面板2的折叠区22折叠在显示区21的背面，然后互相拼接，并由中央控制电路5同时控制，形成大尺寸显示面板1，由于大尺寸显示面板1由折叠后的小尺寸显示面板2直接拼接而成，没有改变各个小尺寸显示面板2的显示区21的结构，使大尺寸显示面板1保留了高分辨率的特点，从而实现了高分辨率的大尺寸显示面板1。
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 (12)

  1. 一种大尺寸显示面板的制作方法，包括：
    制作多个小尺寸显示面板；每个所述小尺寸显示面板包括显示区和折叠区；
    将每个所述小尺寸显示面板的折叠区折叠到所述显示区的背面；以及
    将折叠后的多个小尺寸显示面板拼接为大尺寸显示面板，使任意相邻的两个小尺寸显示面板的显示区相邻接。
  2. 如权利要求1所述的大尺寸显示面板的制作方法，其中，所述制作多个小尺寸显示面板，包括：
    采用FMM蒸镀工艺制作多个小尺寸显示面板。
  3. 如权利要求2所述的大尺寸显示面板的制作方法，其中，所述小尺寸显示面板包括柔性基板以及设置在所述柔性基板上的红色、绿色和蓝色像素。
  4. 如权利要求1所述的大尺寸显示面板的制作方法，其中，所述将折叠后的多个小尺寸显示面板拼接为大尺寸显示面板，包括：
    提供透明基板；
    将折叠后的多个小尺寸显示面板拼接在所述透明基板上，形成大尺寸显示面板。
  5. 如权利要求4所述的大尺寸显示面板的制作方法，其中，所述将折叠后的多个小尺寸显示面板拼接在所述透明基板上，形成大尺寸显示面板，包括：
    将折叠后的多个小尺寸显示面板拼接在所述透明基板上；
    在拼接后的多个小尺寸显示面板远离所述透明基板的一侧采用柔性盖板封装，形成大尺寸显示面板。
  6. 如权利要求1所述的大尺寸显示面板的制作方法，其中，所述折叠区包括部分或全部非显示区，所述非显示区围绕在所述显示区的四周。
  7. 如权利要求1所述的大尺寸显示面板的制作方法，其中，所述制作方法还包括：
    提供中央控制电路；
    将拼接后的多个小尺寸显示面板分别与所述中央控制电路电性连接。
  8. 一种大尺寸显示面板，包括：
    多个互相拼接的小尺寸显示面板；
    每个所述小尺寸显示面板包括显示区和折叠区；以及
    每个所述小尺寸显示面板的折叠区折叠在其显示区的背面，任意相邻的两个小尺寸显示面板的显示区相邻接。
  9. 如权利要求8所述的大尺寸显示面板，其中，所述小尺寸显示面板包括柔性基板以及设置在所述柔性基板上的红色、绿色和蓝色像素。
  10. 如权利要求8所述的大尺寸显示面板，其中，所述大尺寸显示面板还包括透明基板；多个小尺寸显示面板拼接在所述透明基板上。
  11. 如权利要求8所述的大尺寸显示面板，其中，所述折叠区包括部分或全部非显示区，所述非显示区围绕在所述显示区的四周。
  12. 如权利要求8所述的大尺寸显示面板，其中，所述大尺寸显示面板还包括中央控制电路，所述中央控制电路与每个所述小尺寸显示面板电性连接。
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