WO2019085451A1 - 一种可折叠显示屏 - Google Patents

一种可折叠显示屏 Download PDF

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Publication number
WO2019085451A1
WO2019085451A1 PCT/CN2018/088953 CN2018088953W WO2019085451A1 WO 2019085451 A1 WO2019085451 A1 WO 2019085451A1 CN 2018088953 W CN2018088953 W CN 2018088953W WO 2019085451 A1 WO2019085451 A1 WO 2019085451A1
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WIPO (PCT)
Prior art keywords
foldable display
display screen
notch
edge line
line
Prior art date
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Ceased
Application number
PCT/CN2018/088953
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English (en)
French (fr)
Inventor
林立
黄秀颀
袁波
蔡世星
胡坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan Govisionox Optoelectronics Co Ltd
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Kunshan Govisionox Optoelectronics Co Ltd
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Publication of WO2019085451A1 publication Critical patent/WO2019085451A1/zh
Priority to US16/557,167 priority Critical patent/US10802541B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1641—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being formed by a plurality of foldable display components
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/14—Protective coatings, e.g. hard coatings
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • 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

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a foldable display screen.
  • Figure 1a is a schematic view showing the unfolded state of the foldable display screen of the prior art.
  • the foldable display screen 10 includes a first screen body and a second screen body.
  • the first screen body and the second screen body include a bending line oo 0 , and the bending line oo 0 is located at both ends thereof. They respectively intersect the edge line 11 of the foldable display screen 10 to form a right angle, as shown in Figs. A and B.
  • FIG. IB in this case, when the foldable display screen shown in FIG.
  • the foldable display screen 10 typically includes a plurality of laminated film layers, the material properties of which each layer determines the fragile nature of the foldable display screen 10. This fragile feature is further amplified by the right-angled apex formed in the above bending process (as indicated by point o and point o0 in Fig. 1b), so that the reliability of the foldable display screen 10 is lowered.
  • the embodiment of the present invention provides a foldable display screen, which solves the problem of low reliability of the foldable display screen in the prior art.
  • the present invention provides a foldable display screen comprising a first screen body; a second screen body; a bending line formed between the first screen body and the second screen body, the foldable display screen being located at the The position of the end of the bend line includes at least one notch.
  • both ends of the bend line include one of the notches.
  • the at least one notch is symmetrical about the bend line.
  • the shape of the at least one notch is regular or irregular.
  • the at least one indentation is V-shaped.
  • an edge line of the foldable display screen is smoothly connected at an opening point of the at least one notch; and/or an edge line of the foldable display screen and the bending line are in the bend The ends of the polyline are connected smoothly.
  • an edge line of the foldable display screen is smoothly connected at an opening point of the at least one notch; and/or an edge line of the foldable display screen is smoothed at both ends of the bending line connection.
  • the gap is cosine shaped.
  • the cosine curve is oriented with the bend line as the axis of symmetry.
  • the at least one notch has a concave depth of 3-5 mm.
  • a foldable display screen is provided with a notch at both ends of a bend line on the foldable display screen, so that the position where the two ends of the bend line intersect the edge line of the foldable display screen is no longer a right angle.
  • the foldable display screen is assembled with the outer frame of the rectangular device, the two ends of the bending line are no longer right angle vertices, so that the external force bearing capacity is improved, thereby improving the reliability of the foldable display screen.
  • Figure 1a is a schematic view showing the unfolded state of the foldable display screen of the prior art.
  • FIG. 1b is a schematic view showing the state in which the foldable display screen shown in FIG. 1a is assembled with the outer frame of the device and folded.
  • FIG. 2 is a schematic diagram showing an unfolded state of a foldable display screen according to an embodiment of the present invention.
  • FIG. 3 is a schematic view showing a state in which the foldable display screen shown in FIG. 2 is assembled and folded by the outer frame of the device.
  • FIG. 4 is a schematic structural diagram of a foldable display screen according to another embodiment of the present invention.
  • FIG. 5 is a schematic view showing a state in which the foldable display screen shown in FIG. 4 is assembled and folded by the outer frame of the device.
  • FIG. 6 is a schematic structural diagram of a foldable display screen according to still another embodiment of the present invention.
  • FIG. 2 is a schematic diagram showing an unfolded state of a foldable display screen according to an embodiment of the present invention.
  • the foldable display screen 20 is substantially rectangular, including a first screen body and a second screen body.
  • the first screen body and the second screen body include a bending line oo 0
  • the foldable display screen 20 The positions at both ends of the bending line oo 0 respectively include a notch 23, and the opening positions of the two notches 23 on the edge line 21 of the foldable display screen 20 are respectively indicated by points c and f, and points d and e
  • the edge line 21 of the foldable display screen 20 is divided into six segments of the edge line oc, the edge line cd, the edge line do 0 , the edge line o 0 e , the edge line ef, and the edge line fo which are sequentially connected in sequence.
  • edge line oc segment and the edge line fo segment, the edge line o 0 e segment and the edge line do 0 segment are respectively symmetric about the bending line oo 0
  • the edge line do 0 segments are straight lines, thus forming a V-shaped notch 23 as shown in FIG.
  • the bending line oo 0 and the edge line 21 of the foldable display screen 20 (specifically the edge line oc segment, the edge line fo segment, the edge line)
  • the position where the o 0 e segment and the edge line do 0 segment intersect is changed from the right angle shown by A and B in Fig. 1a to the obtuse angles ⁇ foo 0 and ⁇ do 0 c as shown in Fig. 2 .
  • FIG. 3 when the foldable display screen 20 shown in FIG.
  • the right-angled vertex (shown in FIG. 1b) becomes an obtuse angle vertex, which improves the external force tolerance of the two positions to a certain extent, and improves the reliability of the foldable display screen 20.
  • the concave depth h of the V-shaped notch 23 is 3-5 mm. The specific value can be reasonably selected according to actual conditions, and the present invention does not limit this.
  • the V-shaped notch forms an angle with the edge line 21 of the foldable display screen 20 at the point of the opening position, that is, the point d, the point e, the point c, and the point f, respectively, ie, ⁇ cdo 0 , ⁇ o 0 ef, ⁇ ocd, ⁇ efo, such that when the foldable display 20 and the device frame 30 are assembled and folded, as shown in FIG. 3, the angles correspond to an angular apex, that is, point d, Point e, point c, point f, the ability of these angle vertices to withstand external forces is also an important factor affecting the reliability of the foldable display 20.
  • the angle value corresponding to the angle vertex point d, the point e, the point c, and the point f is larger, and the opening of the V-shaped notch 23, that is, the greater the distance between the line segments cf (or the line segment de), the reliability of the foldable display screen 20.
  • FIG. 4 is a schematic structural diagram of a foldable display screen according to another embodiment of the present invention.
  • the foldable display screen 40 according to the present embodiment differs from the foldable display screen 20 of FIG. 2 only in the shape of the notch, that is, the edge line 41 of the display screen 40 is folded at the notch 43.
  • a smooth connection at the opening point (ie, point d, point e, point c, point f); and/or, the edge line 41 of the foldable display screen 40 and the bending line oo 0 are smoothly connected at the end points of the bending line oo 0 .
  • the edge line oc segment and the edge line do 0 segment of the foldable display screen 40 shown in FIG. 4 are smoothly connected with the edge line cd segment, respectively, the edge line fo segment, the edge line o 0 e segment and the edge line ef respectively.
  • the segment is smoothly connected, and/or the edge line oc segment, the edge line do 0 segment, the edge line fo segment, and the edge line o 0 e segment are smoothly connected to the bending line oo 0 , respectively.
  • the shape of the notch may be, for example, an r shape as shown in FIG.
  • the foldable display screen 40 due to the existence of the r-shaped notch 43, the edge line oc segment, the position where the edge line do 0 segment and the edge line cd intersect, and the edge line fo segment and the edge line o 0 e
  • the intersection of the segment and the edge line ef segment is changed from an obtuse angle as shown in FIG. 2 to an arc shape as shown in FIG.
  • a bending line oo 0 and an edge line 41 of the foldable display screen 40 (specifically The position where the edge line oc segment, the edge line fo segment, the edge line o 0 e segment, and the edge line do 0 segment intersects is changed from an obtuse angle as shown in FIG. 2 to an arc shape as shown in FIG.
  • FIG. 5 when the foldable display screen 40 shown in FIG. 4 is assembled with the rectangular device outer frame 30 and folded, the point d, the point e, the point c, and the point f on the edge line 41 are as shown in FIG.
  • Each of them becomes a point of the arc at the corresponding position; and/or, the two end points o and o 0 of the bending line oo 0 are changed from the obtuse vertices shown in Fig. 3 to a point on the arc.
  • the corresponding position is further improved (point o, point o 0 , point in FIG. 5) compared to the V-shaped notch shown in FIGS. 2 and 3.
  • d, point e, point c, point f) The ability to withstand external forces further improves the reliability of the foldable display screen 20.
  • the foldable display has a finite bending radius at the position of the bending line oo 0 , which will cause a slight bending deformation.
  • the bending line oo 0 is actually a curved curved surface
  • the edge line oc segment and the edge line fo segment, and the edge line o 0 e segment and the edge line do 0 segment are respectively at the central axis of the curved arc (ie, The ends of the bend line form a sharp corner, ie ⁇ cof and ⁇ eo 0 d.
  • the shape of the notch can be further optimized on the basis of the notch shape shown in FIG. 4.
  • the edge line 61 of the foldable display screen 60 is smoothly connected at the end points of the bending line oo 0 .
  • the edge line oc segment and the edge line fo segment, and the edge line o 0 e segment and the edge line do 0 segment are smoothly connected, for example, the notch shape is implemented as the bending line oo 0 as the symmetry axis as shown in FIG. 6 .
  • Cosine curve shape is implemented as the bending line oo 0 as the symmetry axis as shown in FIG. 6 .
  • the circuit structure within the foldable display screen according to the present invention should also be adjusted accordingly.
  • the circuit structure 13 of the foldable display screen of the prior art as shown in FIG. 1a (only one side of the circuit structure is schematically shown) can be arranged inside the foldable display screen at the notch position.
  • the notch shape is retracted to form a circuit structure 24 as shown in FIG. 2, a circuit structure 44 as shown in FIG. 4, and a circuit structure 64 as shown in FIG.
  • the circuit structure given here is merely exemplary, and the present invention does not limit this.
  • the reliability is improved by providing a notch, and particularly for a foldable display panel using ultra-thin glass, the fragile characteristics of the ultra-thin glass are overcome to some extent.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

本发明公开了一种可折叠显示屏，解决了现有技术中可折叠显示屏可靠性低的问题。该可折叠显示屏包括弯折线，可折叠显示屏上位于弯折线端部的位置包括缺口。

Description

一种可折叠显示屏 技术领域
本发明涉及显示屏技术领域，具体涉及一种可折叠显示屏。
发明背景
图1a所示为现有技术中的可折叠显示屏的展开状态示意图。从图中可以看出，该可折叠显示屏10包括第一屏体和第二屏体，第一屏体和第二屏体之间包括弯折线oo 0，弯折线oo 0在其两端的位置分别与可折叠显示屏10的边缘线11相交形成一个直角，如图中A、B所示。参阅图1b，这种情况下，当将如图1a所示的可折叠显示屏10与设备外框30组立，并进行折叠后，弯折线oo 0的两个端点点o和点o 0处会分别形成一个直角顶点(折叠时发生的微小弯曲变形忽略不计)。众所周知，由于顶点的受力面积小，因此顶点在受到外力冲击时，外力作用效果显著。
可折叠显示屏10通常包括多个层叠的膜层，各膜层自身的材质特性决定了可折叠显示屏10本身具有易碎的特点。而这种易碎的特点会因上述弯折过程中形成的直角顶点(如图1b中点o和点o0所示)被进一步放大，使得可折叠显示屏10的可靠性降低。
发明内容
有鉴于此，本发明实施例提供了一种可折叠显示屏，解决了现有技术中可折叠显示屏可靠性低的问题。
本发明提供了一种可折叠显示屏，包括第一屏体；第二屏体；形成于所述第一屏体与第二屏体之间的弯折线，所述可折叠显示屏上位于所述弯折线端部的位置包括至少一个缺口。
在一个实施例中，所述弯折线的两端分别包括一个所述缺口。
在一个实施例中，所述至少一个缺口关于所述弯折线对称。
在一个实施例中，，所述至少一个缺口的形状规则或不规则。
在一个实施例中，所述至少一个缺口呈V形。
在一个实施例中，所述可折叠显示屏的边缘线在所述至少一个缺口的开口点处平滑连接；和/或，所述可折叠显示屏的边缘线和所述弯折线在所述弯折线的两端平滑连接。
在一个实施例中，所述可折叠显示屏的边缘线在所述至少一个缺口的开口点处平滑连接；和/或，所述可折叠显示屏的边缘线在所述弯折线的两端平滑连接。
在一个实施例中，所述缺口呈余弦曲线形。
在一个实施例中，余弦曲线形以所述弯折线为对称轴。
在一个实施例中，所述至少一个缺口的内凹深度为3-5毫米。
在一个实施例中，进一步包括电路单元，所述电路单元在所述缺口位置的走线与所述至少一个缺口的形状相同。
本发明实施例提供的一种可折叠显示屏，通过在可折叠显示屏上的弯折线两端设置缺口，使得弯折线两端与可折叠显示屏的边缘线相交的位置不再是直角。当将该可折叠显示屏与矩形设备外框组立时，弯折线两端也不再是直角顶点，使其对外力的承受能力得到提升，从而提高了可折叠显示屏的可靠性。
附图简要说明
图1a所示为现有技术中的可折叠显示屏的展开状态示意图。
图1b所示为图1a所示的可折叠显示屏与设备外框组立并进行折叠后的状态示意图。
图2所示为本发明一实施例提供的一种可折叠显示屏的展开状态示意图。
图3所示为图2所示的可折叠显示屏与设备外框组立并进行折叠后的状态示意图。
图4所示为本发明另一实施例提供的一种可折叠显示屏的结构示意图。
图5所示为图4所示的可折叠显示屏与设备外框组立并进行折叠后的状态示意图。
图6所示为本发明又一实施例提供的一种可折叠显示屏的结构示意图。
实施本发明的方式
为使本发明的目的、技术手段和优点更加清楚明白，以下结合附图对本发明作进一步详细说明。
图2所示为本发明一实施例提供的一种可折叠显示屏的展开状态示意图。从图2可以看出，该可折叠显示屏20大致呈矩形，包括第一屏体和第二屏体，第一屏体和第二屏体之间包括弯折线oo 0，可折叠显示屏20上位于弯折线oo 0两端的位置分别包括一个缺口23，这两个缺口23在可折叠显示屏20的边缘线21上的开口位置点分别用点c和点f，以及点d和点e表示，这样可折叠显示屏20的边缘线21就被分割成了依次顺序连接的边缘线oc、边缘线cd、边缘线do 0、边缘线o 0e、边缘线ef、边缘线fo六段。其中，边缘线oc段和边缘线fo段、边缘线o 0e段和边缘线do 0段分别关于弯折线oo 0对称，并且边缘线oc段、边缘线fo段、边缘线o 0e段、边缘线do 0段均为直线，这样就形成了如图2所示的V形缺口23。当然，也可以仅在可折叠显示屏20上位于弯折线oo 0一端的位置设置一个所述缺口23。
根据本实施方式提供的可折叠显示屏20，由于V形缺口23的存在，使得弯折线oo 0和可折叠显示屏20的边缘线21(具体为边缘线oc段、边缘线fo段、边缘线o 0e段、边缘线do 0段)相交的位置由如图1a中A和B所示的直角，变成了如图2所示的钝角∠foo 0和∠do 0c。这样，如图3所示，当将图2所示的可折叠显示屏20与矩形设备外框30组立，并进行折叠后，弯折线oo 0的两个端点点o和点o 0就由直角顶点(如图1b所示)变成了钝角顶点，从而在一定程度上提高了这两个位置对外力的承受能力，提高了可折叠显示屏20的可靠性。
应当理解，参阅图2，V形缺口23的内凹深度h越大，∠foo 0和∠do 0c的角度值越大，组立之后点o和点o 0对外力的承受能力越强，可折叠显示屏20的可靠性越高。在一个实施例中，V形缺口23的内凹深度h为3-5毫米。具体 数值可以根据实际情况合理选择，本发明对此不予限定。
从图2可以看出，V形缺口在开口位置点，即点d、点e、点c、点f分别会和可折叠显示屏20的边缘线21形成一个夹角，即∠cdo 0、∠o 0ef、∠ocd、∠efo，这样，当将可折叠显示屏20与设备外框30组立并折叠后，如图3所示，这些夹角会依次对应一个角度顶点，即点d、点e、点c、点f，这些角度顶点对外力的承受能力也是影响可折叠显示屏20可靠性的重要因素。而角度顶点点d、点e、点c、点f对应的角度值越大，V形缺口23的开口，即线段cf(或线段de)之间的距离越大，可折叠显示屏20的可靠性越高。
图4所示为本发明另一实施例提供的一种可折叠显示屏的结构示意图。从图4中可以看出，根据本实施例的可折叠显示屏40与图2所示可折叠显示屏20的区别仅在于缺口的形状，即可折叠显示屏40的边缘线41在缺口43的开口点(即点d、点e、点c、点f)处平滑连接；和/或，可折叠显示屏40的边缘线41和弯折线oo 0在弯折线oo 0的两端端点处平滑连接。
具体地，如图4所示的可折叠显示屏40的边缘线oc段、边缘线do 0段分别和边缘线cd段平滑连接，边缘线fo段、边缘线o 0e段分别和边缘线ef段平滑连接，和/或，边缘线oc段、边缘线do 0段、边缘线fo段、边缘线o 0e段分别和弯折线oo 0平滑连接。这种情况下，缺口的形状例如可以是如图4所示的r形。
根据本实施方式提供的可折叠显示屏40，由于r形缺口43的存在，使得边缘线oc段、边缘线do 0段和边缘线cd相交的位置，以及边缘线fo段、边缘线o 0e段和边缘线ef段相交的位置分别由如图2所示的钝角变成了如图4所示的弧形；和/或，弯折线oo 0和可折叠显示屏40的边缘线41(具体为边缘线oc段、边缘线fo段、边缘线o 0e段、边缘线do 0段)相交的位置由如图2所示的钝角变成了如图4所示的弧形。这样，如图5所示，当将图4所示的可折叠显示屏40与矩形设备外框30组立，并进行折叠后，边缘线41上的点d、点e、点c、点f分别变成了弧形在相应位置上的一点；和/或，弯折线oo 0的两个端点点o和点o 0就由图3所示的钝角顶点变成了弧形上的一点。
根据本实施方式的可折叠显示屏，由于r形缺口的存在，相比于图2和图3所示的V形缺口，进一步提高了相应位置(图5中的点o、点o 0、点d、点e、点c、点f)对外力的承受能力，进一步提高了可折叠显示屏20的可靠性。
考虑到，实际应用过程中，可折叠显示屏在弯折线oo 0位置存在一个有限的弯曲半径，会产生微小的弯曲变形，这种情况下，弯折线oo 0实际为一个弯折弧面，那么，对于如图4所示的r形缺口43而言，边缘线oc段和边缘线fo段，以及边缘线o 0e段和边缘线do 0段就会分别在弯折弧面中轴线(即弯折线)的两端形成一个尖角，即∠cof和∠eo 0d。此时，可以在图4所示的缺口形状基础上，进一步对缺口形状进行优化，参阅图6，即可折叠显示屏60的边缘线61在弯折线oo 0的两端端点处平滑连接。具体地，边缘线oc段和边缘线fo段，以及边缘线o 0e段和边缘线do 0段平滑连接，例如将缺口形状实施为如图6所示的以弯折线oo 0为对称轴的余弦曲线形。
本领域技术人员可以理解，上述各实施例给出的缺口形状和数量只是示例性的。特别对于缺口的形状而言，具体应用过程中也可以是上述各单一形状的组合，从而形成不规则的缺口；而且一块可折叠显示屏中的不同缺口的形状可以相同也可以不同。
由于缺口的存在，根据本发明的可折叠显示屏内的电路结构也应当作出相应调整。一般地，只需要使电路结构躲开缺口位置即可。例如，可以将如图1a所示现有技术中的可折叠显示屏的电路结构13(图中只示意性的给出了一侧的电路结构)，在缺口位置处向可折叠显示屏内部按照缺口形状内缩，形成如图2所示的电路结构24、如图4所示的电路结构44，以及如图6所示的电路结构64。这里给出的电路结构只是示例性的，本发明对此不作限定。
根据本发明提供的可折叠显示屏，通过设置缺口提高了其可靠性，特别是对于使用了超薄玻璃的可折叠显示屏而言，在一定程度上克服了超薄玻璃易碎的特性。
以上仅为本发明的较佳实施例而已，并非用于限定本发明的保护范围。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含 在本发明的保护范围之内。

Claims (11)

  1. 一种可折叠显示屏，包括
    第一屏体；
    第二屏体；
    形成于所述第一屏体与第二屏体之间的弯折线，所述可折叠显示屏上位于所述弯折线端部的位置包括至少一个缺口。
  2. 如权利要求1所述的可折叠显示屏，其中，所述弯折线的两端分别包括一个所述缺口。
  3. 如权利要求1所述的可折叠显示屏，其中，所述至少一个缺口关于所述弯折线对称。
  4. 如权利要求1所述的可折叠显示屏，其中，所述至少一个缺口的形状规则或不规则。
  5. 如权利要求1-4中任一所述的可折叠显示屏，其中，所述至少一个缺口呈V形。
  6. 如权利要求1-4中任一所述的可折叠显示屏，其中，所述可折叠显示屏的边缘线在所述至少一个缺口的开口点处平滑连接；和/或，所述可折叠显示屏的边缘线和所述弯折线在所述弯折线的两端平滑连接。
  7. 如权利要求1-4中任一所述的可折叠显示屏，其中，所述可折叠显示屏的边缘线在所述至少一个缺口的开口点处平滑连接；和/或，所述可折叠显示屏的边缘线在所述弯折线的两端平滑连接。
  8. 如权利要求7所述的可折叠显示屏，其中，所述缺口呈余弦曲线形。
  9. 如权利要求8所述的可折叠显示屏，其中，余弦曲线形以所述弯折线为对称轴。
  10. 如权利要求1-4中任一所述的可折叠显示屏，其中，所述至少一个缺口的内凹深度为3-5毫米。
  11. 如权利要求1-4中任一所述的可折叠显示屏，其中，进一步包括电路 单元，所述电路单元在所述缺口位置的走线与所述至少一个缺口的形状相同。
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