WO2024007585A1 - 一种折叠机构及折叠显示装置 - Google Patents

一种折叠机构及折叠显示装置 Download PDF

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Publication number
WO2024007585A1
WO2024007585A1 PCT/CN2023/075393 CN2023075393W WO2024007585A1 WO 2024007585 A1 WO2024007585 A1 WO 2024007585A1 CN 2023075393 W CN2023075393 W CN 2023075393W WO 2024007585 A1 WO2024007585 A1 WO 2024007585A1
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WO
WIPO (PCT)
Prior art keywords
axis
arc
shaped fixed
side wall
plane formed
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PCT/CN2023/075393
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English (en)
French (fr)
Inventor
毕炜
李江
Original Assignee
武汉华星光电半导体显示技术有限公司
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Application filed by 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Publication of WO2024007585A1 publication Critical patent/WO2024007585A1/zh

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating 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
    • G09F9/301Indicating 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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating 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
    • G09F9/33Indicating 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 being semiconductor devices, e.g. diodes
    • G09F9/335Indicating 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 being semiconductor devices, e.g. diodes being organic light emitting diodes [OLED]

Definitions

  • the present application relates to the field of display technology, and specifically to a folding mechanism and a folding display device.
  • Organic Light Emitting Diode (English full name: Organic Light Emitting Diode, referred to as OLED) is an optoelectronic technology that uses organic semiconductor materials to produce reversible color change under current drive to achieve colorful displays.
  • OLED has the characteristics of thinness, high brightness, active light emission, low energy consumption, large viewing angle, fast response, flexibility, wide operating temperature range, low voltage requirement, high power saving efficiency, fast response, simple structure, low cost, and almost infinite height. Contrast and other advantages, it is considered to be the most promising new generation display technology.
  • Portable electronic devices such as mobile phones, media players, smart watches, in-vehicle monitors and tablets are increasingly common today. Users often want a device that can be easily carried in a pocket or purse or worn on the hand, but also has a larger display surface for easier viewing. Therefore, foldable display devices are favored by a large number of users because of their foldability and portability.
  • the present invention provides a folding mechanism, which includes: a base having a first surface; the first surface of the base is recessed along a first axis to form two receiving cavities; each of the The receiving cavity has two first side walls parallel to the plane formed by the first axis and a second axis perpendicular to the first axis, and each of the first side walls has an arc-shaped fixed track; Two arc-shaped sliding rails are slidably connected to the arc-shaped fixed rails in the two receiving cavities respectively; each of the arc-shaped fixed rails has a second surface and a third surface, and the second surface and The third surfaces are all arc surfaces; in a cross section of a plane formed by a third axis parallel to the first axis and perpendicular to the first side wall, the third arc-shaped fixed track of at least one The second surface and/or the third surface are non-perpendicular to the first side wall.
  • the range of the angle between the second surface of at least one arc-shaped fixed track and the first side wall is 30°-80° and 100°-150°; and/or the angle between the third surface of at least one of the arc-shaped fixed rails and the first side wall is in the range of 30°-80° and 100° °-150°.
  • the second surface and the third surface of at least one arc-shaped fixed track are symmetrical to each other.
  • the second surfaces of the two arc-shaped fixed rails located in the same receiving cavity are in contact with the third axis.
  • the included angles of one side wall are unequal; and/or on a cross-section parallel to the plane formed by the first axis and the third axis, the angles of the two arc-shaped fixed rails located in the same receiving cavity are The angle between the third surface and the first side wall is not equal.
  • the folding mechanism also includes: two support plates, respectively fixedly connected to the two arc-shaped sliding rails; both of the two support plates have supporting surfaces; when the folding mechanism is in the folded state, the two support plates The support surfaces of the two support plates are arranged oppositely, and the arc-shaped sliding track is partially located in the receiving cavity; when the folding mechanism is in the unfolded state, the support surfaces of the two support plates are flush with each other, and the arc-shaped sliding track is partially located in the receiving cavity.
  • the sliding rails are all located in the receiving cavity.
  • the flexible display screen includes: two non-bending areas and a bending area connected between the two non-bending areas; the two non-bending areas are respectively fixed to the folding mechanism.
  • two support plates when the folding display device is in a folded state, the flexible display screens in the two non-bending areas are flat, and the flexible display screens in the bending area are curved; When the foldable display device is in an unfolded state, the flexible display screen unfolds into a flat surface.
  • the second surface and/or the third surface of at least one arc-shaped fixed track is non-perpendicular to the The first side wall, whereby when the folding display device is impacted, the pressure F exerted by the arc-shaped sliding track on the arc-shaped fixed track will be decomposed into a force parallel to the second surface and/or the third surface. and the force perpendicular to the second surface and/or the third surface, thereby reducing the impact of the pressure F on the arc-shaped fixed track, reducing the risk of deformation or breakage of the arc-shaped fixed track, and improving the folding display The service life of the device.
  • Figure 1 is a side view of a prior art folding mechanism
  • Figure 2 is a cross-sectional view of AA in Figure 1
  • Figure 3 is a top view of the base of a folding mechanism in the prior art
  • Figure 4 is a perspective view of the folding mechanism of Embodiment 1 in a folded state
  • Figure 5 is a perspective view of the folding mechanism base of Embodiment 1
  • Figure 6 is a top view of the folding mechanism base of Embodiment 1
  • Figure 7 is a BB cross-sectional view of Figure 4 in Embodiment 1
  • Figure 8 is a CC cross-sectional view of Figure 4 in Embodiment 1
  • Figure 9 is a first perspective view of the folding mechanism of Embodiment 1 in an unfolded state
  • Figure 10 is a second perspective view of the folding mechanism of Embodiment 1 in an unfolded state
  • Figure 11 is a perspective view of the foldable display device of Embodiment 1 in a folded state
  • Figure 12 is a perspective view of the foldable
  • Example 1 4 is a perspective view of the folding mechanism of Embodiment 1 in a folded state. As shown in Figure 4, this embodiment provides a folding mechanism 200.
  • the folding mechanism 200 includes: a base 1 , four arc-shaped fixed rails 2 , two arc-shaped sliding rails 3 and two support plates 4 .
  • FIG. 5 is a perspective view of the folding mechanism base of Embodiment 1
  • FIG. 6 is a top view of the folding mechanism base of Embodiment 1.
  • the base 1 has a first surface 11 .
  • FIG. 4 is a perspective view of the folding mechanism of Embodiment 1 in a folded state.
  • FIG. 5 is a perspective view of the folding mechanism base of Embodiment 1
  • FIG. 6 is a top view of the folding mechanism base of Embodiment 1.
  • the first surface 11 of the base 1 is recessed along the first axis Z to form two receiving cavities 12 .
  • the receiving cavity 12 is a through hole that penetrates the base 1 .
  • the receiving cavity 12 may also be a groove that does not penetrate the base 1 .
  • each receiving cavity 12 has two first side walls 121 and two second side walls 122 .
  • the two first side walls 121 are parallel to the plane formed by the first axis Z and the second axis X perpendicular to the first axis Z, and the two second side walls 122 are parallel to the first axis Z and perpendicular to the plane.
  • the plane formed by the third axis Y of the first side wall 121 is parallel to the first side walls 121 and two second side walls 122 .
  • FIG. 4 is a perspective view of the folding mechanism of Embodiment 1 in a folded state.
  • FIG. 5 is a perspective view of the folding mechanism base of Embodiment 1
  • FIG. 6 is a top view of the folding mechanism base of Embodiment 1.
  • each first side wall 121 is provided with an arc-shaped fixed track 2.
  • the arc-shaped fixed rail 2 is integrally formed with the base 1.
  • the arc-shaped fixed rail 2 can be fixed on the first side wall 121 of the base 1 in other ways.
  • FIG. 4 is a perspective view of the folding mechanism of Embodiment 1 in a folded state.
  • FIG. 5 is a perspective view of the folding mechanism base of Embodiment 1
  • FIG. 6 is a top view of the folding mechanism base of Embodiment 1.
  • each of the arc-shaped fixed rails 2 has a second surface 21 and a third surface 22.
  • the second surface 21 and the third surface 22 are both arc surfaces.
  • the second surface 21 and/or the third surface 22 of at least one arc-shaped fixed track 2 Not perpendicular to the first side wall 121 .
  • the second surface 21 of at least one arc-shaped fixed track 2 and the first side wall 121 The included angle range is 30°-80° and 100°-150°; and/or the included angle range of at least one of the third surface 22 of the arc-shaped fixed track 2 and the first side wall 121 is 30°-80° and 100°-150°.
  • FIG. 4 is a perspective view of the folding mechanism of Embodiment 1 in a folded state.
  • FIG. 5 is a perspective view of the folding mechanism base of Embodiment 1
  • FIG. 6 is a top view of the folding mechanism base of Embodiment 1.
  • FIG. 7 is a B-B cross-sectional view of FIG. 4 in Example 1.
  • FIG. 4 As shown in Figures 4, 5, 6, and 7, in this embodiment, the second surface 21 and the third surface 22 of each arc-shaped fixed track 2 are not perpendicular to the third surface.
  • One side wall 121 is shown in Figures 4, 5, 6, and 7, in this embodiment, the second surface 21 and the third surface 22 of each arc-shaped fixed track 2 are not perpendicular to the third surface.
  • One side wall 121 is shown in Figures 4, 5, 6, and 7, in this embodiment, the second surface 21 and the third surface 22 of each arc-shaped fixed track 2 are not perpendicular to the third surface.
  • One side wall 121 is shown in Figures 4, 5, 6, and 7,
  • the second surface 21 and the third surface 22 of at least one arc-shaped fixed track 2 are symmetrical to each other. ; and/or on a cross-section parallel to the plane formed by the first axis Z and the third axis Y, the second surface 21 and the third surface 22 of at least one arc-shaped fixed track 2 parallel to each other; and/or on a cross-section parallel to the plane formed by the first axis Z and the third axis Y, the second surface 21 of at least one arc-shaped fixed track 2 and the third
  • the surfaces 22 are not parallel, and the angle between the second surface 21 of at least one arc-shaped fixed rail 2 and the first side wall 121 is equal to the angle between the third surface 22 of the arc-shaped fixed rail 2 and The included angles of the first side walls 121 are not equal.
  • the second surface 21 of one of the arc-shaped fixed rails 2 is in contact with the second surface 21 of the arc-shaped fixed track 2.
  • the third surfaces 22 are parallel to each other; the second surface 21 and the third surface 22 of one of the arc-shaped fixed rails 2 are symmetrical to each other.
  • the second surface 21 of each arc-shaped fixed track 2 in a cross section parallel to the plane formed by the first axis Z and the third axis Y, the second surface 21 of each arc-shaped fixed track 2 is in contact with the third
  • the surfaces 22 are symmetrical to each other; or on a cross-section parallel to the plane formed by the first axis Z and the third axis Y, the second surface 21 of each arc-shaped fixed track 2 is in contact with the third axis Y.
  • the surfaces 22 are parallel to each other; or on a cross-section parallel to the plane formed by the first axis Z and the third axis Y, the second surface 21 of each arc-shaped fixed track 2 is in contact with the third axis Y.
  • the surfaces 22 are not parallel, and the angle between the second surface 21 of at least one arc-shaped fixed rail 2 and the first side wall 121 is equal to the angle between the third surface 22 of the arc-shaped fixed rail 2 and The included angles of the first side walls 121 are not equal.
  • the second arc-shaped fixed rails 2 located in the same receiving cavity 12 are The angles between the two surfaces 21 and the first side wall 121 are not equal; and/or they are located in the same receiving cavity 12 on a cross section parallel to the plane formed by the first axis Z and the third axis Y.
  • the angles between the third surface 22 and the first side wall 121 of the two arc-shaped fixed rails 2 are not equal.
  • the two arc-shaped fixing devices located in the same receiving cavity 12
  • the angle between the second surface 21 of the track 2 and the first side wall 121 is equal to that of the first side wall 121 .
  • the third surfaces 22 of the two arc-shaped fixed rails 2 located in the same receiving cavity 12 are in contact with each other. The included angles of the first side walls 121 are not equal.
  • the pressure F exerted by the arc-shaped sliding rail 3 on the arc-shaped fixed rail 2 will be decomposed into forces F1 parallel to the second surface 21 and the third surface 22 and
  • the force F2 perpendicular to the second surface 21 and the third surface 22 further reduces the influence of the pressure F on the arc-shaped fixed track 2, reduces the risk of deformation or breakage of the arc-shaped fixed track 2, and improves the efficiency of the arc-shaped fixed track 2.
  • the service life of the folding mechanism 200 is impacted.
  • two arc-shaped sliding rails 3 are slidably connected to the two arc-shaped fixed rails 2 in the two receiving cavities 12 .
  • each arc-shaped sliding rail 2 has two arc-shaped slide grooves 31 that match the corresponding arc-shaped fixed rail 2 in the receiving cavity 12 .
  • FIG. 4 is a perspective view of the folding mechanism of Embodiment 1 in a folded state
  • FIG. 8 is a C-C cross-sectional view of FIG. 4 of Embodiment 1
  • FIG. 9 is a perspective view of the folding mechanism of Embodiment 1 in an unfolded state.
  • the two support plates 4 are fixedly connected to the two arc-shaped sliding rails 3 respectively. Both support plates 4 have support surfaces 41 .
  • the arc-shaped sliding rail 3 drives the expansion and folding of the support plate 4.
  • the supporting surfaces 41 of the two supporting plates 4 are arranged oppositely, and the arc-shaped sliding track 3 is partially located in the receiving cavity 12 .
  • the supporting surfaces 41 of the two supporting plates 4 are flush with each other, and the entire arc-shaped sliding track 3 is located in the receiving cavity 12 .
  • the folding mechanism 200 also includes a hinge assembly 5 .
  • the hinge assembly 5 includes: a bracket 51, two connecting shafts 52, two rotating plates 53, two first gears 54, two second gears 55, friction plates 56, two hovering male ends 57, two Hover female end 58 and two elastic members 59 .
  • the bracket 51 has two through holes 511 and two receiving grooves 512 at both ends.
  • two connecting shafts 52 respectively pass through the two through holes 511 of the bracket 51 and are connected to the base 1 to achieve the fixation of the bracket 51 and the base 1 .
  • the two rotating plates 53 are rotatably sleeved on the two connecting shafts 52 respectively.
  • Each of the two rotating plates 53 has a sliding shaft 531 .
  • the two first gears 54 are respectively sleeved on the two connecting shafts 52 and are located between the rotating plate 53 and the base 1 .
  • the two first gears 54 rotate in opposite directions.
  • the two second gears 55 are respectively sleeved on two protrusions (not shown) and are located between the receiving groove 512 and the base 1 .
  • the rotation directions of the two second gears 55 are opposite.
  • the rotation directions of the first gear 54 and the second gear 55 that are close to each other are opposite.
  • the friction plate 56 is sleeved on the outer walls of the two connecting shafts 52 and is located between the rotating plate 53 and the first gear 54 to increase the friction between the rotating plate 53 and the first gear 54, which is beneficial to A certain angle is maintained between the two support plates 4 of the folding mechanism 200 .
  • the friction plate 56 is also sleeved on the outer side walls of the two receiving grooves 512 .
  • two hovering male ends 57 are respectively provided on the side of the two rotating plates 53 away from the base 1 .
  • two elastic members 59 are respectively sleeved on the two connecting shafts 52 and connected between the bracket 1 and the hovering female end 58 .
  • FIG. 11 is a perspective view of the foldable display device of Embodiment 1 in a folded state;
  • FIG. 11 is a perspective view of the foldable display device of Embodiment 1 in an unfolded state.
  • this embodiment also provides a folding display device 1000.
  • the folding display device 1000 includes a folding mechanism 200 and a flexible display screen 300 .
  • the flexible display screen 300 in the two non-bending areas 301 is flat, and the flexible display screen 300 in the bending area 302 is flat. It is a curved surface; when the foldable display device 1000 is in the unfolded state, the flexible display screen 300 is unfolded into a flat surface.
  • FIG. 13 is a top view of the folding mechanism base of Embodiment 2;
  • Fig. 14 is a BB cross-sectional view of Fig. 4 of Embodiment 2. As shown in Figures 13 and 14, this embodiment includes most of the technical features of Embodiment 1.
  • the difference between this embodiment and Embodiment 1 is that in this embodiment, the axis parallel to the first axis Z and the On the cross section of the plane formed by the third axis Y, the second surface 21 of one of the arc-shaped fixed rails 2 is not parallel to the third surface 22, and the second surface of the arc-shaped fixed rail 2 is The angle between the surface 21 and the first side wall 121 is not equal to the angle between the third surface 22 of the arc-shaped fixed rail 2 and the first side wall 121 . In other words, the second surface 21 and the third surface 22 of one of the arc-shaped fixed rails 2 are not parallel and asymmetric.
  • the pressure F exerted by the arc-shaped sliding rail 3 on the arc-shaped fixed rail 2 will be decomposed into a force F1 parallel to the second surface 21 and the third surface 22 and a force F1 perpendicular to the second surface 21 and the third surface 22 .
  • the force F2 of the second surface 21 and the third surface 22 thereby reduces the impact of the pressure F on the arc-shaped fixed track 2, reduces the risk of deformation or breakage of the arc-shaped fixed track 2, and improves the folding mechanism 200. service life.
  • Example 3 Fig. 15 is a top view of the folding mechanism base of Embodiment 3; Fig. 16 is a BB cross-sectional view of Fig. 4 of Embodiment 3.
  • this embodiment includes most of the technical features of Embodiment 1.
  • the difference between this embodiment and Embodiment 1 is that in this embodiment, the axis parallel to the first axis Z and the On the cross section of the plane formed by the third axis Y, the two arc-shaped fixed rails 2 located in the same receiving cavity 12 are symmetrical to each other.
  • the arc-shaped fixed rails 2 in the two receiving cavities 12 adopt the same design. In other embodiments, the arc-shaped fixed rails 2 in different receiving cavities 12 can also adopt different designs.
  • the second surface 21 of each arc-shaped fixed track 2 and the third surface 22 are parallel to each other.
  • each arc-shaped fixed track 2 in a section parallel to the plane formed by the first axis Z and the third axis Y, can be symmetrical to each other.
  • the second surface 21 of each arc-shaped fixed track 2 is in contact with the third axis Y.
  • the surfaces 22 are not parallel, and the angle between the second surface 21 of at least one arc-shaped fixed rail 2 and the first side wall 121 is equal to the angle between the third surface 22 of the arc-shaped fixed rail 2 and The included angles of the first side walls 121 are not equal.
  • the second surface 21 of the arc-shaped fixed track 2 in a receiving cavity is in contact with the third axis Y.
  • the three surfaces 22 are symmetrical to each other, and the second surface 21 and the third surface 22 of the arc-shaped fixed track 2 in the other accommodation cavity are parallel to each other.
  • the second surface 21 of the arc-shaped fixed track 2 in a receiving cavity is in contact with the third axis Y.
  • the three surfaces 22 are symmetrical to each other, the second surface 21 of the arc-shaped fixed rail 2 in another accommodation cavity is not parallel to the third surface 22, and the third surface of at least one of the arc-shaped fixed rail 2 is
  • the angle between the second surface 21 and the first side wall 121 is not equal to the angle between the third surface 22 of the arc-shaped fixed rail 2 and the first side wall 121 .
  • the second surface 21 of the arc-shaped fixed track 2 in a receiving cavity is in contact with the third axis Y.
  • the three surfaces 22 are parallel to each other, the second surface 21 and the third surface 22 of the arc-shaped fixed rail 2 in another accommodation cavity are not parallel, and the third surface of at least one arc-shaped fixed rail 2
  • the angle between the second surface 21 and the first side wall 121 is not equal to the angle between the third surface 22 of the arc-shaped fixed rail 2 and the first side wall 121 .
  • the pressure F exerted by the arc-shaped sliding rail 3 on the arc-shaped fixed rail 2 will be decomposed into a force F1 parallel to the second surface 21 and the third surface 22 and a force F1 perpendicular to the second surface 21 and the third surface 22 .
  • the force F2 of the second surface 21 and the third surface 22 thereby reduces the impact of the pressure F on the arc-shaped fixed track 2, reduces the risk of deformation or breakage of the arc-shaped fixed track 2, and improves the folding mechanism 200. service life.

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  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
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  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract

一种折叠机构及折叠显示装置,在平行于第一轴(Z)和第三轴(Y)组成的平面的截面上,至少一个弧形固定轨道(2)的第二表面(21)和/或第三表面(22)非垂直于第一侧壁(121),由此在折叠显示装置受到冲击时,弧形滑动轨道(3)施加到弧形固定轨道(2)上的压力F将被分解成平行于第二表面(21)和/或第三表面(22)的力和垂直于第二表面(21)和/或第三表面(22)的力。

Description

一种折叠机构及折叠显示装置 技术领域
本申请涉及显示技术领域,具体涉及一种折叠机构及折叠显示装置。
背景技术
有机发光二极管(英文全称:Organic Light Emitting Diode,简称OLED)是一种利用有机半导体材料在电流驱动下产生可逆变色来实现多彩显示的光电技术。OLED具有轻薄、高亮度、主动发光、能耗低、大视角、快速响应、可柔性、工作温度范围宽、电压需求低、省电效率高、反应快、构造简单、成本低、几乎无穷高的对比度等优点,被认为是最有发展前途的新一代显示技术。
现今便携式电子装置,例如移动电话,媒体播放器,智能手表,车载显示器和平板电脑越来越普遍。用户通常希望有既可以方便地放在口袋或钱包中或穿戴于手上,也可以有更大的显示表面以便于观看的装置。因此,可折叠显示装置因其可折叠、方便携带等优势受到广大用户的青睐。
技术问题
如图1、图2及图3所示,目前的折叠显示装置大多采用折叠机构100将两部分中框进行连接,为了实现特定弯折轨迹,折叠机构100需设定与之匹配的轨道101,轨道101包含固定轨道1011和滑动轨道1012。当折叠显示装置处于折叠状态时,当折叠显示装置受到冲击时,固定轨道1011会受到来自于滑动轨道1012的压力F,由于固定轨道1011垂直于底座102,固定轨道1011与滑动轨道1012的重叠部分少,在压力F的作用下,固定轨道1011容易出现形变或者断裂等不良现象,最终影响折叠显示装置的使用。
技术解决方案
本发明的目的是提供一种折叠机构及折叠显示装置,其能够解决现有折叠结构中存在的固定轨道易出现形变或者断裂等不良现象,最终影响折叠显示装置的使用等问题。
为了解决上述问题,本发明提供了一种折叠机构,其包括:底座,其具有第一表面;所述底座的所述第一表面沿着第一轴凹陷形成两个收容腔;每一所述收容腔具有平行于所述第一轴和垂直于所述第一轴的第二轴组成的平面的两个第一侧壁,每个所述第一侧壁上均具有一个弧形固定轨道;两个弧形滑动轨道,分别可滑动式连接于两个所述收容腔内的弧形固定轨道;每一所述弧形固定轨道均具有第二表面和第三表面,所述第二表面与所述第三表面均为弧面;在平行于所述第一轴和垂直于所述第一侧壁的第三轴组成的平面的截面上,至少一个所述弧形固定轨道的所述第二表面和/或所述第三表面非垂直于所述第一侧壁。
进一步的,在平行于所述第一轴和所述第三轴组成的平面的截面上,至少一个所述弧形固定轨道的所述第二表面与所述第一侧壁的夹角的范围为30°-80°和100°-150°;和/或至少一个所述弧形固定轨道的所述第三表面与所述第一侧壁的夹角的范围为30°-80°和100°-150°。
进一步的,在平行于所述第一轴和所述第三轴组成的平面的截面上,至少一个所述弧形固定轨道的所述第二表面与所述第三表面相互对称。
进一步的,在平行于所述第一轴和所述第三轴组成的平面的截面上,至少一个所述弧形固定轨道的所述第二表面与所述第三表面相互平行。
进一步的,在平行于所述第一轴和所述第三轴组成的平面的截面上,至少一个所述弧形固定轨道的所述第二表面与所述第三表面不平行,且至少一个所述弧形固定轨道的所述第二表面与所述第一侧壁的夹角和该所述弧形固定轨道的所述第三表面与所述第一侧壁的夹角不相等。
进一步的,在平行于所述第一轴和所述第三轴组成的平面的截面上,位于同一所述收容腔内的两个所述弧形固定轨道相互对称。
进一步的,在平行于所述第一轴和所述第三轴组成的平面的截面上,位于同一所述收容腔内的两个所述弧形固定轨道的所述第二表面与所述第一侧壁的夹角不相等;和/或在平行于所述第一轴和所述第三轴组成的平面的截面上,位于同一所述收容腔内的两个所述弧形固定轨道的所述第三表面与所述第一侧壁的夹角不相等。
进一步的,所述折叠机构还包括:两个支撑板,分别固定连接于两个所述弧形滑动轨道上;两个所述支撑板均具有支撑面;所述折叠机构处于折叠状态时,两个所述支撑板的支撑面相对设置,所述弧形滑动轨道部分位于所述收容腔内;所述折叠机构处于展开状态时,两个所述支撑板的支撑面相互平齐,所述弧形滑动轨道全部位于所述收容腔内。
为了解决上述问题,本发明提供了一种折叠显示装置,其包括:本发明所述的折叠机构,还包括安装于所述折叠机构上的柔性显示屏。
进一步的,所述柔性显示屏包括:两个非弯折区和连接于两个所述非弯折区之间的弯折区;两个所述非弯折区分别固定于所述折叠机构的两个所述支撑板上;所述折叠显示装置处于折叠状态时,两个所述非弯折区的所述柔性显示屏呈平面,所述弯折区的所述柔性显示屏呈曲面;所述折叠显示装置处于展开状态时,所述柔性显示屏展开呈平面。
有益效果
本发明在平行于所述第一轴和所述第三轴组成的平面的截面上,至少一个所述弧形固定轨道的所述第二表面和/或所述第三表面非垂直于所述第一侧壁,由此在折叠显示装置受到冲击时,弧形滑动轨道施加到弧形固定轨道上的压力F将被分解成平行于所述第二表面和/或所述第三表面的力和垂直于所述第二表面和/或所述第三表面的力,进而减小压力F对弧形固定轨道的影响,降低弧形固定轨道出现形变或者断裂等不良现象的风险,提升折叠显示装置的使用寿命。
附图说明
为了更清楚地说明本申请实施例中的技术方案,下面将对实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本申请的一些实施例,对于本领域技术人员来讲,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是现有技术的折叠机构的侧视图;
图2是图1的A-A截面图;
图3是现有技术的折叠机构的底座的俯视图;
图4是实施例1的折叠机构处于折叠状态下的立体图;
图5是实施例1的折叠机构底座的立体图;
图6是实施例1的折叠机构底座的俯视图;
图7是实施例1的图4的B-B截面图;
图8是实施例1的图4的C-C截面图;
图9是实施例1的折叠机构处于展开状态下的立体图一;
图10是实施例1的折叠机构处于展开状态下的立体图二;
图11是实施例1的折叠显示装置处于折叠状态下的立体图;
图12是实施例1的折叠显示装置处于展开状态下的立体图;
图13是实施例2的折叠机构底座的俯视图;
图14是实施例2的图4的B-B截面图;
图15是实施例3的折叠机构底座的俯视图;
图16是实施例3的图4的B-B截面图。
附图标记说明:
1000、折叠显示装置;                200、折叠机构;
300、柔性显示屏;
1、底座;                           2、弧形固定轨道;
3、弧形滑动轨道;                   4、支撑板;
5、铰链组件;
11、第一表面;                      12、收容腔;
121、第一侧壁;                     122、第二侧壁;
21、第二表面;                      22、第二表面;
31、弧形滑槽;                      51、支架;
52、连接轴;                        53、旋转板;
54、第一齿轮;                      55、第二齿轮;
56、摩擦片;                        57、悬停公端;
58、悬停母端;                      59、弹性件。
本发明的实施方式
以下结合说明书附图详细说明本发明的优选实施例,以向本领域中的技术人员完整介绍本发明的技术内容,以举例证明本发明可以实施,使得本发明公开的技术内容更加清楚,使得本领域的技术人员更容易理解如何实施本发明。然而本发明可以通过许多不同形式的实施例来得以体现,本发明的保护范围并非仅限于文中提到的实施例,下文实施例的说明并非用来限制本发明的范围。
本发明所提到的方向用语,例如「上」、「下」、「前」、「后」、「左」、「右」、「内」、「外」、「侧面」等,仅是附图中的方向,本文所使用的方向用语是用来解释和说明本发明,而不是用来限定本发明的保护范围。
在附图中,结构相同的部件以相同数字标号表示,各处结构或功能相似的组件以相似数字标号表示。此外,为了便于理解和描述,附图所示的每一组件的尺寸和厚度是任意示出的,本发明并没有限定每个组件的尺寸和厚度。
实施例1
图4是实施例1的折叠机构处于折叠状态下的立体图。如图4所示,本实施例提供了一种折叠机构200。折叠机构200包括:底座1、四个弧形固定轨道2、两个弧形滑动轨道3以及两个支撑板4。
图5是实施例1的折叠机构底座的立体图,图6是实施例1的折叠机构底座的俯视图。如图5、图6所示,底座1具有第一表面11。
图4是实施例1的折叠机构处于折叠状态下的立体图。图5是实施例1的折叠机构底座的立体图,图6是实施例1的折叠机构底座的俯视图。如图4、图5、图6所示,底座1的所述第一表面11沿着第一轴Z凹陷形成两个收容腔12。本实施中,收容腔12为贯穿所述底座1的通孔,在其他实施例中,收容腔12也可以是不贯穿所述底座1的凹槽。
图4是实施例1的折叠机构处于折叠状态下的立体图。图5是实施例1的折叠机构底座的立体图,图6是实施例1的折叠机构底座的俯视图。如图4、图5、图6所示,每一所述收容腔12均具有两个第一侧壁121和两个第二侧壁122。两个第一侧壁121平行于所述第一轴Z和垂直于所述第一轴Z的第二轴X组成的平面,两个第二侧壁122平行于所述第一轴Z和垂直于所述第一侧壁121的第三轴Y组成的平面。
图4是实施例1的折叠机构处于折叠状态下的立体图。图5是实施例1的折叠机构底座的立体图,图6是实施例1的折叠机构底座的俯视图。如图4、图5、图6所示,每一所述第一侧壁121上均具有一个弧形固定轨道2。本实施例中,弧形固定轨道2与所述底座1一体成型,在其他实施例中,弧形固定轨道2可以采用其他方式固定于所述底座1的第一侧壁121上。
图4是实施例1的折叠机构处于折叠状态下的立体图。图5是实施例1的折叠机构底座的立体图,图6是实施例1的折叠机构底座的俯视图。如图4、图5、图6所示,每一所述弧形固定轨道2均具有第二表面21和第三表面22。所述第二表面21与所述第三表面22均为弧面。
其中,在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,至少一个所述弧形固定轨道2的所述第二表面21和/或所述第三表面22非垂直于所述第一侧壁121。具体的,在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,至少一个所述弧形固定轨道2的所述第二表面21与所述第一侧壁121的夹角的范围为30°-80°和100°-150°;和/或至少一个所述弧形固定轨道2的所述第三表面22与所述第一侧壁121的夹角的范围为30°-80°和100°-150°。
图4是实施例1的折叠机构处于折叠状态下的立体图。图5是实施例1的折叠机构底座的立体图,图6是实施例1的折叠机构底座的俯视图。图7是实施例1的图4的B-B截面图。如图4、图5、图6、图7所示,本实施例中,每一所述弧形固定轨道2的所述第二表面21和所述第三表面22均非垂直于所述第一侧壁121。
其中,在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,至少一个所述弧形固定轨道2的所述第二表面21与所述第三表面22相互对称;和/或在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,至少一个所述弧形固定轨道2的所述第二表面21与所述第三表面22相互平行;和/或在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,至少一个所述弧形固定轨道2的所述第二表面21与所述第三表面22不平行,且至少一个所述弧形固定轨道2的所述第二表面21与所述第一侧壁121的夹角和该所述弧形固定轨道2的所述第三表面22与所述第一侧壁121的夹角不相等。
如图7所示,本实施例中,平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,一个所述弧形固定轨道2的所述第二表面21与所述第三表面22相互平行;一个所述弧形固定轨道2的所述第二表面21与所述第三表面22相互对称。
在其他实施例中,在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,每一个所述弧形固定轨道2的所述第二表面21与所述第三表面22相互对称;或者在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,每一个所述弧形固定轨道2的所述第二表面21与所述第三表面22相互平行;或者在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,每一个所述弧形固定轨道2的所述第二表面21与所述第三表面22不平行,且至少一个所述弧形固定轨道2的所述第二表面21与所述第一侧壁121的夹角和该所述弧形固定轨道2的所述第三表面22与所述第一侧壁121的夹角不相等。
本实施例中,在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,位于同一所述收容腔12内的两个所述弧形固定轨道2的所述第二表面21与所述第一侧壁121的夹角不相等;和/或在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,位于同一所述收容腔12内的两个所述弧形固定轨道2的所述第三表面22与所述第一侧壁121的夹角不相等。
如图7所示,本实施例中,在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,位于同一所述收容腔12内的两个所述弧形固定轨道2的所述第二表面21与所述第一侧壁121的夹角相等。在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,位于同一所述收容腔12内的两个所述弧形固定轨道2的所述第三表面22与所述第一侧壁121的夹角不相等。综上,在折叠机构200受到冲击时,弧形滑动轨道3施加到弧形固定轨道2上的压力F将被分解成平行于所述第二表面21和所述第三表面22的力F1和垂直于所述第二表面21和所述第三表面22的力F2,进而减小压力F对弧形固定轨道2的影响,降低弧形固定轨道2出现形变或者断裂等不良现象的风险,提升折叠机构200的使用寿命。
如图4所示,两个弧形滑动轨道3分别可滑动式连接于两个所述收容腔12内的弧形固定轨道2。
如图4所示,每一所述弧形滑动轨道2上具有两个与其对应的所述收容腔12内的弧形固定轨道2相互匹配的弧形滑槽31。
图4是实施例1的折叠机构处于折叠状态下的立体图;图8是实施例1的图4的C-C截面图;图9是实施例1的折叠机构处于展开状态下的立体图。如图4、图8、图9所示,两个支撑板4分别固定连接于两个所述弧形滑动轨道3上。两个所述支撑板4均具有支撑面41。通过弧形滑动轨道3相对于弧形固定轨道2滑动,弧形滑动轨道3带动支撑板4的展开与折叠。所述折叠机构200处于折叠状态时,两个所述支撑板4的支撑面41相对设置,所述弧形滑动轨道3部分位于所述收容腔12内。所述折叠机构200处于展开状态时,两个所述支撑板4的支撑面41相互平齐,所述弧形滑动轨道3全部位于所述收容腔12内。
如图10所示,折叠机构200还包括铰链组件5。其中,铰链组件5包括:支架51、两个连接轴52、两个旋转板53、两个第一齿轮54、两个第二齿轮55、摩擦片56、两个悬停公端57、两个悬停母端58以及两个弹性件59。
其中,支架51的两端具有两个通孔511和两个收容槽512。
其中,两个连接轴52分别穿过所述支架51的两个通孔511连接于所述底座1,实现支架51与底座1的固定。
其中,两个旋转板53分别可转动式套设于两个连接轴52上。两个旋转板53上分别具有一滑动轴531。当折叠结构200的支撑板4进行转动时,支撑板4带动旋转板53相对于连接轴52转动,同时旋转板上的滑动轴531可以相对于支撑板4进行滑动。
其中,两个第一齿轮54分别套设于两个连接轴52上,且位于旋转板53与底座1之间。两个第一齿轮54的旋转方向相反。
其中,底座1靠近所述铰链组件5的一侧还具有两个凸起(图未示)。底座1上的两个凸起分别插入支架51的两个收容槽512内。
其中,两个第二齿轮55分别套设于两个凸起(图未示)上,且位于收容槽512和底座1之间。两个第二齿轮55的旋转方向相反。相互靠近的第一齿轮54和第二齿轮55的旋转方向相反。
其中,摩擦片56套设于两个连接轴52的外侧壁上,且位于旋转板53与第一齿轮54之间,用于增加旋转板53和第一齿轮54之间的摩擦力,有利于折叠机构200的两个支撑板4之间保持一定的角度。摩擦片56还套设于两个收容槽512的外侧壁上。
其中,两个悬停公端57分别设置于两个旋转板53远离底座1的一侧。
其中,两个悬停母端58分别套设于两个连接轴52上,且分别与两个悬停公端57相匹配。
其中,两个弹性件59分别套设于两个连接轴52上,且连接于支架1和悬停母端58之间。
如图10所示,本实施例中,折叠机构200折叠时,左边的旋转板53带动左边的第一齿轮54顺时针旋转,左边的第一齿轮54带动左边的第二齿轮55逆时针旋转;右边的旋转板53带动右边的第一齿轮54逆时针旋转,右边的第一齿轮54带动右边的第二齿轮55顺时针旋转。
如图10所示,当两个旋转板53旋转至某一角度时,利用弹性件59抵压悬停母端58,悬停母端58抵压悬停公端57,进而使得两个旋转板53保持不动。图11是实施例1的折叠显示装置处于折叠状态下的立体图;图11是实施例1的折叠显示装置处于展开状态下的立体图。如图10、图11所示,本实施例还提供了一种折叠显示装置1000。折叠显示装置1000包括:折叠机构200以及柔性显示屏300。
其中,柔性显示屏300安装于所述折叠机构200上。所述柔性显示屏300包括:两个非弯折区301和连接于两个所述非弯折区301之间的弯折区302。两个所述非弯折区301分别固定于所述折叠机构200的两个所述支撑板4上,弯折区302不与支撑板4固定。本实施例中,两个所述非弯折区301采用胶粘方式分别固定于所述折叠机构200的两个所述支撑板4上。
如图11、图12所示,折叠显示装置1000处于折叠状态时,两个所述非弯折区301的所述柔性显示屏300呈平面,所述弯折区302的所述柔性显示屏300呈曲面;所述折叠显示装置1000处于展开状态时,所述柔性显示屏300展开呈平面。
实施例2
图13是实施例2的折叠机构底座的俯视图;图14是实施例2的图4的B-B截面图。如图13、图14所示,本实施例包括了实施例1的大部分技术特征,本实施例与实施例1的区别在于:本实施例中,在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,一个所述弧形固定轨道2的所述第二表面21与所述第三表面22不平行,且所述弧形固定轨道2的所述第二表面21与所述第一侧壁121的夹角和该所述弧形固定轨道2的所述第三表面22与所述第一侧壁121的夹角不相等。换句话而言,一个所述弧形固定轨道2的所述第二表面21与所述第三表面22不平行且不对称。具体的,在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,第二表面21与第一侧壁121的夹角为α,第三表面22与第一侧壁121的夹角为β,α与β不相等。
在折叠机构200受到冲击时,弧形滑动轨道3施加到弧形固定轨道2上的压力F将被分解成平行于所述第二表面21和所述第三表面22的力F1和垂直于所述第二表面21和所述第三表面22的力F2,进而减小压力F对弧形固定轨道2的影响,降低弧形固定轨道2出现形变或者断裂等不良现象的风险,提升折叠机构200的使用寿命。
实施例3
图15是实施例3的折叠机构底座的俯视图;图16是实施例3的图4的B-B截面图。如图15、图16所示,本实施例包括了实施例1的大部分技术特征,本实施例与实施例1的区别在于:本实施例中,在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,位于同一所述收容腔12内的两个所述弧形固定轨道2相互对称。
本实施例中,两个收容腔12内的弧形固定轨道2采用相同的设计。在其他实施例中,不同收容腔12内的弧形固定轨道2也可以采用不同的设计。
本实施例中,在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,每一所述弧形固定轨道2的所述第二表面21与所述第三表面22相互平行。
在其他实施例中,在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,每一弧形固定轨道2的所述第二表面21与所述第三表面22可以相互对称。
在其他实施例中,在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,每一所述弧形固定轨道2的所述第二表面21与所述第三表面22不平行,且至少一个所述弧形固定轨道2的所述第二表面21与所述第一侧壁121的夹角和该所述弧形固定轨道2的所述第三表面22与所述第一侧壁121的夹角不相等。
在其他实施例中,在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,一个收容腔内的弧形固定轨道2的所述第二表面21与所述第三表面22相互对称,另一个收容腔内的所述弧形固定轨道2的所述第二表面21与所述第三表面22相互平行。
在其他实施例中,在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,一个收容腔内的弧形固定轨道2的所述第二表面21与所述第三表面22相互对称,另一个收容腔内的所述弧形固定轨道2的所述第二表面21与所述第三表面22不平行,且至少一个所述弧形固定轨道2的所述第二表面21与所述第一侧壁121的夹角和该所述弧形固定轨道2的所述第三表面22与所述第一侧壁121的夹角不相等。
在其他实施例中,在平行于所述第一轴Z和所述第三轴Y组成的平面的截面上,一个收容腔内的弧形固定轨道2的所述第二表面21与所述第三表面22相互平行,另一个收容腔内的所述弧形固定轨道2的所述第二表面21与所述第三表面22不平行,且至少一个所述弧形固定轨道2的所述第二表面21与所述第一侧壁121的夹角和该所述弧形固定轨道2的所述第三表面22与所述第一侧壁121的夹角不相等。
在折叠机构200受到冲击时,弧形滑动轨道3施加到弧形固定轨道2上的压力F将被分解成平行于所述第二表面21和所述第三表面22的力F1和垂直于所述第二表面21和所述第三表面22的力F2,进而减小压力F对弧形固定轨道2的影响,降低弧形固定轨道2出现形变或者断裂等不良现象的风险,提升折叠机构200的使用寿命。
进一步的,以上对本申请所提供的一种折叠机构及折叠显示装置进行了详细介绍,本文中应用了具体个例对本申请的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本申请的方法及其核心思想;同时,对于本领域的技术人员,依据本申请的思想,在具体实施方式及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本申请的限制。

Claims (20)

  1. 一种折叠机构,包括:
    底座,其具有第一表面;所述底座的所述第一表面沿着第一轴凹陷形成两个收容腔;
    每一所述收容腔具有平行于所述第一轴和垂直于所述第一轴的第二轴组成的平面的两个第一侧壁,每个所述第一侧壁上均具有一个弧形固定轨道;
    两个弧形滑动轨道,分别可滑动式连接于两个所述收容腔内的弧形固定轨道;
    每一所述弧形固定轨道均具有第二表面和第三表面,所述第二表面与所述第三表面均为弧面;
    在平行于所述第一轴和垂直于所述第一侧壁的第三轴组成的平面的截面上,至少一个所述弧形固定轨道的所述第二表面和/或所述第三表面非垂直于所述第一侧壁。
  2. 根据权利要求1所述的折叠机构,在平行于所述第一轴和所述第三轴组成的平面的截面上,至少一个所述弧形固定轨道的所述第二表面与所述第一侧壁的夹角的范围为30°-80°和100°-150°;或者
    至少一个所述弧形固定轨道的所述第三表面与所述第一侧壁的夹角的范围为30°-80°和100°-150°。
  3. 根据权利要求1所述的折叠机构,在平行于所述第一轴和所述第三轴组成的平面的截面上,至少一个所述弧形固定轨道的所述第二表面与所述第一侧壁的夹角的范围为30°-80°和100°-150°,至少一个所述弧形固定轨道的所述第三表面与所述第一侧壁的夹角的范围为30°-80°和100°-150°。
  4. 根据权利要求1所述的折叠机构,在平行于所述第一轴和所述第三轴组成的平面的截面上,至少一个所述弧形固定轨道的所述第二表面与所述第三表面相互对称。
  5. 根据权利要求1所述的折叠机构,在平行于所述第一轴和所述第三轴组成的平面的截面上,至少一个所述弧形固定轨道的所述第二表面与所述第三表面相互平行。
  6. 根据权利要求1所述的折叠机构,在平行于所述第一轴和所述第三轴组成的平面的截面上,至少一个所述弧形固定轨道的所述第二表面与所述第三表面不平行,且至少一个所述弧形固定轨道的所述第二表面与所述第一侧壁的夹角和该所述弧形固定轨道的所述第三表面与所述第一侧壁的夹角不相等。
  7. 根据权利要求1所述的折叠机构,在平行于所述第一轴和所述第三轴组成的平面的截面上,位于同一所述收容腔内的两个所述弧形固定轨道相互对称。
  8. 根据权利要求1所述的折叠机构,在平行于所述第一轴和所述第三轴组成的平面的截面上,位于同一所述收容腔内的两个所述弧形固定轨道的所述第二表面与所述第一侧壁的夹角不相等;或者
    在平行于所述第一轴和所述第三轴组成的平面的截面上,位于同一所述收容腔内的两个所述弧形固定轨道的所述第三表面与所述第一侧壁的夹角不相等。
  9. 根据权利要求1所述的折叠机构,在平行于所述第一轴和所述第三轴组成的平面的截面上,位于同一所述收容腔内的两个所述弧形固定轨道的所述第二表面与所述第一侧壁的夹角不相等,在平行于所述第一轴和所述第三轴组成的平面的截面上,位于同一所述收容腔内的两个所述弧形固定轨道的所述第三表面与所述第一侧壁的夹角不相等。
  10. 根据权利要求1所述的折叠机构,还包括:
    两个支撑板,分别固定连接于两个所述弧形滑动轨道上;两个所述支撑板均具有支撑面;
    所述折叠机构处于折叠状态时,两个所述支撑板的支撑面相对设置,所述弧形滑动轨道部分位于所述收容腔内;
    所述折叠机构处于展开状态时,两个所述支撑板的支撑面相互平齐,所述弧形滑动轨道全部位于所述收容腔内。
  11. 一种折叠显示装置,包括:折叠机构,其包括:
    底座,其具有第一表面;所述底座的所述第一表面沿着第一轴凹陷形成两个收容腔;
    每一所述收容腔具有平行于所述第一轴和垂直于所述第一轴的第二轴组成的平面的两个第一侧壁,每个所述第一侧壁上均具有一个弧形固定轨道;
    两个弧形滑动轨道,分别可滑动式连接于两个所述收容腔内的弧形固定轨道;
    每一所述弧形固定轨道均具有第二表面和第三表面,所述第二表面与所述第三表面均为弧面;
    在平行于所述第一轴和垂直于所述第一侧壁的第三轴组成的平面的截面上,至少一个所述弧形固定轨道的所述第二表面和/或所述第三表面非垂直于所述第一侧壁。
  12. 根据权利要求11所述的折叠显示装置,在平行于所述第一轴和所述第三轴组成的平面的截面上,至少一个所述弧形固定轨道的所述第二表面与所述第一侧壁的夹角的范围为30°-80°和100°-150°;或者
    至少一个所述弧形固定轨道的所述第三表面与所述第一侧壁的夹角的范围为30°-80°和100°-150°。
  13. 根据权利要求11所述的折叠显示装置,在平行于所述第一轴和所述第三轴组成的平面的截面上,至少一个所述弧形固定轨道的所述第二表面与所述第一侧壁的夹角的范围为30°-80°和100°-150°,至少一个所述弧形固定轨道的所述第三表面与所述第一侧壁的夹角的范围为30°-80°和100°-150°。
  14. 根据权利要求11所述的折叠显示装置,在平行于所述第一轴和所述第三轴组成的平面的截面上,至少一个所述弧形固定轨道的所述第二表面与所述第三表面相互对称。
  15. 根据权利要求11所述的折叠显示装置,在平行于所述第一轴和所述第三轴组成的平面的截面上,至少一个所述弧形固定轨道的所述第二表面与所述第三表面相互平行。
  16. 根据权利要求11所述的折叠显示装置,在平行于所述第一轴和所述第三轴组成的平面的截面上,至少一个所述弧形固定轨道的所述第二表面与所述第三表面不平行,且至少一个所述弧形固定轨道的所述第二表面与所述第一侧壁的夹角和该所述弧形固定轨道的所述第三表面与所述第一侧壁的夹角不相等。
  17. 根据权利要求11所述的折叠显示装置,在平行于所述第一轴和所述第三轴组成的平面的截面上,位于同一所述收容腔内的两个所述弧形固定轨道相互对称。
  18. 根据权利要求11所述的折叠显示装置,在平行于所述第一轴和所述第三轴组成的平面的截面上,位于同一所述收容腔内的两个所述弧形固定轨道的所述第二表面与所述第一侧壁的夹角不相等;或者
    在平行于所述第一轴和所述第三轴组成的平面的截面上,位于同一所述收容腔内的两个所述弧形固定轨道的所述第三表面与所述第一侧壁的夹角不相等。
  19. 根据权利要求11所述的折叠显示装置,在平行于所述第一轴和所述第三轴组成的平面的截面上,位于同一所述收容腔内的两个所述弧形固定轨道的所述第二表面与所述第一侧壁的夹角不相等,在平行于所述第一轴和所述第三轴组成的平面的截面上,位于同一所述收容腔内的两个所述弧形固定轨道的所述第三表面与所述第一侧壁的夹角不相等。
  20. 根据权利要求11所述的折叠显示装置,所述折叠机构还包括:
    两个支撑板,分别固定连接于两个所述弧形滑动轨道上;两个所述支撑板均具有支撑面;
    所述折叠机构处于折叠状态时,两个所述支撑板的支撑面相对设置,所述弧形滑动轨道部分位于所述收容腔内;
    所述折叠机构处于展开状态时,两个所述支撑板的支撑面相互平齐,所述弧形滑动轨道全部位于所述收容腔内;
    所述折叠显示装置还包括安装于所述折叠机构上的柔性显示屏,所述柔性显示屏包括:两个非弯折区和连接于两个所述非弯折区之间的弯折区;
    两个所述非弯折区分别固定于所述折叠机构的两个所述支撑板上;
    所述折叠显示装置处于折叠状态时,两个所述非弯折区的所述柔性显示屏呈平面,所述弯折区的所述柔性显示屏呈曲面;
    所述折叠显示装置处于展开状态时,所述柔性显示屏展开呈平面。
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