WO2016192464A1 - 柔性显示装置 - Google Patents

柔性显示装置 Download PDF

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Publication number
WO2016192464A1
WO2016192464A1 PCT/CN2016/079036 CN2016079036W WO2016192464A1 WO 2016192464 A1 WO2016192464 A1 WO 2016192464A1 CN 2016079036 W CN2016079036 W CN 2016079036W WO 2016192464 A1 WO2016192464 A1 WO 2016192464A1
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WO
WIPO (PCT)
Prior art keywords
flexible display
display device
support plates
plate
roller
Prior art date
Application number
PCT/CN2016/079036
Other languages
English (en)
French (fr)
Inventor
孙艳六
Original Assignee
京东方科技集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 京东方科技集团股份有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US15/315,740 priority Critical patent/US10013027B2/en
Publication of WO2016192464A1 publication Critical patent/WO2016192464A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1679—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts for locking or maintaining the movable parts of the enclosure in a fixed position, e.g. latching mechanism at the edge of the display in a laptop or for the screen protective cover of a PDA
    • 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
    • G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED

Definitions

  • Embodiments of the present invention relate to the field of display, and in particular, to a flexible display device.
  • a known flexible display device includes a flexible display screen and two support plates, wherein the two support plates are connected to each other by a hinge and both support plates are fixedly coupled to the flexible display screen.
  • the folding of the flexible display device can be achieved by folding the two support plates, which is very convenient to carry.
  • the flexible display device is in a folded state, the curved portion of the flexible display screen is easily squeezed, resulting in wrinkles, which may seriously affect the display quality when the wrinkles are obvious, and the flexible display screen needs to be replaced, resulting in the above flexible display device.
  • the flexible display has a short life.
  • Embodiments of the present invention provide a flexible display device including a flexible display screen and at least two support plates for fixing the flexible display screen, wherein one of the at least two support plates rotates relative to the other support plate To overlap each other, the flexible display device further includes: a guide body disposed between the adjacent two of the support plates for preventing the bent portion of the flexible display screen from being pressed by the adjacent two of the support plates.
  • FIG. 1 is a schematic diagram of a flexible display device according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a flexible display device according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural view of a first clamping portion and a second clamping portion according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of a connection manner between a roller and a plate-shaped body according to an embodiment of the present invention
  • FIG. 5 is a partial enlarged view of the flexible display device according to an embodiment of the present invention.
  • Figure 6 is a cross-sectional view of a guide body according to an embodiment of the present invention.
  • FIG. 7 is a partial enlarged view of a flexible display device according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural view of a guide body provided with a baffle at both ends of the guide body according to an embodiment of the present invention.
  • Embodiments of the present invention provide a flexible display device including a flexible display screen and at least two support plates for fixing the flexible display screen, wherein one of the at least two support plates rotates relative to the other support plate To overlap each other, the flexible display device further includes: a guide body disposed between the adjacent two of the support plates for preventing the bent portion of the flexible display screen from being pressed by the adjacent two of the support plates.
  • the flexible display device includes a flexible display screen 1 and a plurality of support plates 2, wherein a plurality of support plates 2 are fixedly connected to the flexible display screen 1, and a plurality of support plates 2 are on the flexible display screen 1.
  • the back sides are spaced apart in a row, and a guide body 3 for preventing the curved portion of the flexible display screen 1 from being pressed by the support plate 2 is disposed between the adjacent support plates 2, and the adjacent support plates 2 are relatively rotatable to a folded state.
  • the connection between the support plate 2 and the flexible display screen 1 can be achieved, for example, by means of bonding.
  • the number of the support plates 2 in the flexible display device is two.
  • the two support plates 2 can be relatively rotated to a folded state, so that the flexible display device can be folded and the flexible display is in a folded state.
  • the device is as shown in FIG. 2, and therefore, the flexible display device in the folded state can significantly reduce the storage space, which is convenient for carrying and storing, compared to the case where the flexible display device in the unfolded state occupies a large storage space.
  • a guide body 3 is disposed between two adjacent support plates 2, and when the two support plates 2 are in a folded state, the guide body 3 is opposite to the two support plates 2. The ends are spaced apart, as shown in FIG.
  • the flexible display screen 1 is located between the two support plates 2 and the guide body 3, so that the flexible display can be protected by the two support plates 2 and the guide body 3. Screen 1 is not easily damaged by such wear, puncture, and the like.
  • the support plate 2 should have high strength.
  • the support plate 2 can be made of metal or plastic material. In order to make the flexible display device lighter, the support plate 2 is used, for example, high. Made of strong plastic material.
  • the flexible display device comprises two support plates 2, and the flexible display device can be folded once, so that when the flexible display device is in the folded state, it is easy to carry and store; in the size of the flexible display 1
  • the flexible display device can be folded twice or three times by providing more than two support plates 1, such as three or four, in the flexible display device, so that the volume of the flexible display device after folding Smaller and more portable and storage.
  • the first holding portion 4 and the second clamping portion 5 are provided at one end of the adjacent supporting plate 2 near the other side, and the first clamping portion 4 on the same supporting plate 2 is
  • the second clamping portions 5 cooperate with each other to constrain a portion of the guiding body 3 between them; in other words, the first supporting plate 2 and the second supporting plate 2 are adjacent two supporting plates 2, located at the The first clamping portion 4 and the second clamping portion 5 of a supporting plate 2 near the end of the second supporting plate 2 constitute a "left hand”, and the first clamping portion of the second supporting plate 2 near the end of the first supporting plate 2
  • the portion 4 and the second gripping portion 5 constitute a "right hand", and the "left hand” and the "right hand” respectively hold a part of the guide body 3, thereby restraining the guide body 3 between the adjacent support plates 2.
  • Mounting method 2 For the guiding body 3 between the first supporting plate 2 and the second supporting plate 2, one end of the guiding body 3 close to the first supporting plate 2 is connected with the first supporting plate 2 through a hinge, and the guiding body 3 An end adjacent to the second support plate 2 is connected to the second support plate 2 by a hinge, thereby achieving installation of the guide body 3 in the flexible display device, wherein the first support plate 2 and the second support plate 2 are adjacent to each other. Support plate 2.
  • the configurations of the first clamping portion 4 and the second clamping portion 5 are variously selected.
  • the first clamping portion 4 has a flat structure and is disposed on a side of the support plate adjacent to the flexible display screen.
  • the second clamping portion 5 includes a plate-like body 51 and rollers 52 disposed on the plate-like body 51.
  • the roller 52 extends toward the first clamping portion 4, and the roller 52 is in contact with the bottom surface 36 of the guide body 3. That is, a cavity is formed between the plate-shaped body 51 and the first clamping portion 4, and the roller 52 can be directed into the first clamping portion 4 along the surface of the plate-like body 51 in the cavity. mobile.
  • the first clamping portion 4 may be a single plate or a plurality of strip plates arranged side by side.
  • the plate-shaped main body 51 of the second clamping portion 5 may be a single plate or multiple blocks.
  • the strip plates arranged in parallel are not limited in this embodiment. It can be understood that, when the specific structure of the first clamping portion 4 and the second clamping portion 5 is designed by a person skilled in the art, factors such as the shape and size of the guiding body 3 are considered, so that the first clamping is obtained.
  • the portion 4 and the second clamping portion 5 can restrain the guide body 3 in the flexible display device.
  • the roller 52 is kept in contact with the bottom surface 36 of the guide body 3, so that during the folding/unfolding process of the flexible display device, the roller 52 moves along the bottom surface 36 of the guide body 3, that is, The roller 52 moves between the bottom surface 36 of the guiding body 3 and the surface of the plate-shaped body 51, so that the folding/unfolding process of the flexible display device is relatively smooth, thereby facilitating the protection of the flexible display screen 1 at the same time, It is also possible to make the folding/unfolding process of the flexible display device smoother, and it is convenient to manually perform the folding/unfolding operation on the flexible display device.
  • the roller 52 can move along the bottom surface 36 of the guiding body 3, in order to reduce the frictional resistance when the roller 52 moves along the bottom surface 36 of the guiding 3.
  • the bottom surface 36 of the guiding body 3 is convex.
  • the surface of the plate-like body 51 is a concave surface, and the two are matched to each other in shape.
  • the bottom surface 36 of the guide body 3 is a polished surface, and the surface of the roller 52 is a polished surface.
  • the roller 52 may be a long roller or a plurality of short rollers connected in series.
  • the roller 52 When the roller 52 is a plurality of short rollers connected in series, the roller is a long roller.
  • the column can reduce the contact area of the roller 52 with the guide bottom surface 36, thereby reducing the frictional resistance of the roller 52 as it moves along the bottom surface 36 of the guide body 3.
  • the rollers 52 are two short rollers in series, and the two short rollers are respectively disposed at one end of the roller 62.
  • it is also possible to reduce the friction by applying lubricating oil to the bottom surface 36 of the guide body 3 or by forming a slide rail of the roller 52 on the bottom surface 36 of the guide body 3. This embodiment will not be described again.
  • the roller 52 is connected to the plate-shaped body 51 in various manners.
  • the roller 52 is connected to the plate-shaped body 51 through the roller 62, wherein The shaft 62 is fixed to the plate-like body 51 by a resilient bracket (not shown) such that the elastic bracket can cushion the force of the roller 62 during folding/unfolding of the flexible display device, thereby The roller 62 is less likely to break.
  • the end of the plate-like body 51 is provided with a slit 61 for providing a rolling space for the roller 52.
  • the roller 52 is processed, for example, using a hard plastic; to ensure the high strength of the roller 62, the roller 62 is made of, for example, high-strength metal;
  • the bracket may be a high-strength spring or other elastic support structure, that is, it can support the roller 62 and also has a certain elasticity.
  • the adjacent support plates 2 are on the same plane, and the rollers 52 of the adjacent support plates 2 are in contact with each other.
  • the two rollers 52 are supported to each other such that adjacent support plates 2 are held in the same plane, so that the flexible display 1 is in a flat state.
  • the flexible display 1 is in a flat state for display, it has a large display area for people to watch, and when the flexible display 1 is in a flat state, it is convenient for touch operation, thereby facilitating human-computer interaction.
  • the bottom surface 36 of the guide body 3 is provided with a first card slot 31 and two second card slots 32.
  • the first card slot 31 is disposed in a central area of the bottom surface 36 of the guiding body 3, and the two second card slots 32 are symmetrically distributed on the first card. Both sides of the slot 31.
  • the shape and size of the first card slot 31 and the second card slot 32 need to match the roller 52.
  • the two rollers 52 are located in the first card slot 31.
  • FIG. 5 when the adjacent support plates 2 are in the same plane, the two rollers 52 are located in the first card slot 31.
  • the posts 52 are each located in a second card slot 32, such that during the unfolding/folding process of the flexible display device, the first card slot 31 / the second card slot 32 play a latching action on the roller 52, thereby The flexible display device remains in an unfolded/folded state for easy viewing/carrying.
  • the opposite ends of the guiding body 3 that is, the A end and the B end, are each provided with a baffle 33.
  • the baffle 33 can be accidentally dropped.
  • the edge of the first card slot 31 is prevented from directly contacting the ground, thereby protecting the first card slot 31.
  • the baffle 33 can be mounted to the end in any manner, such as by screwing or by adhesive bonding.
  • the top surface 41 of the first clamping portion 4 is flush with the top surface 21 of the corresponding support plate 2, and the bottom surface 53 of the second clamping portion 5 is flush with the bottom surface 22 of the corresponding support plate 2. level. So designed, when the flexible display device is in the unfolded state, as shown in FIG. 5, the first clamping portion 4 and the support plate 2 are both in contact with the flexible display screen 1 to support the flexible display screen 1 to facilitate flexibility. The protection of the display 1 can extend the service life of the flexible display 1. Further, as shown in Fig. 5, the bottom surface 53 of the second holding portion 5 and the bottom surface 22 of the support plate 2 are in the same plane, and are more stable when the flexible display device in the unfolded state is placed on the table top.
  • the top surface 35 of the guiding body 3 is a flat surface, and is provided with a dimple 34, and the dimple 34 can be engaged with the first clamping portion 4, that is, the first clamping portion 4 is accommodated.
  • the bonding effect of the pit 34 and the first clamping portion 4 is specifically as shown in FIG. 5, and is designed such that the structure is more stable when the flexible display device is in the unfolded state.
  • the side wall 37 of the recess 34 i.e., the portion where the recess 34 is attached to the top end of the first clamping portion 4) is a polishing surface, so that the first clamping portion is in the folding/flattening process of the flexible display device.
  • the top end of the 4 can slide along the side wall 37 of the dimple 34 to facilitate the coherence of the folding/flattening process of the flexible display device.
  • FIG. 5 it can also be seen from FIG. 5 that when the flexible display device is in the unfolded state, the top surface 35 of the guiding body 3 is in contact with the flexible display screen 1 to support the flexible display screen 1 to facilitate the flexible display screen.
  • the protection of 1 can extend the service life of the flexible display 1.
  • the flexible display device is in a folded state, when a folding flexible display device is required
  • the two support plates 2 are respectively biased outwardly, and the support plate 2 transmits the force to the rollers 52, so that the rollers 52 slide down along the bottom surface 36 of the guide body 3 (ie, two rolls)
  • the columns 52 are facing each other, and at the same time, the adjacent support plates 2 are relatively rotated until the first clamping portion 4 is rotated into the recesses of the guiding body 3, and is fitted to the dimples 34, and the left and right rollers 52 are respectively
  • the two first card slots 31 are inserted into the expansion operation of the flexible display device, and the flexible display device in the unfolded state is as shown in FIG.
  • the flexible display device is in an unfolded state, and when the flexible display device needs to be folded, the two support plates 2 are simultaneously given an inward pressure so that the first clamping portion 4 will give the guide body 3 downward. Under pressure, the guide body 3 is lowered, so that each roller 52 slides upward along the bottom surface 36 of the guide body 3 (i.e., the two rollers 52 are facing away), while the adjacent support plates 2 are relatively rotated until the rollers 52 are rotated. The card is inserted into the second card slot 32 to complete the folding operation of the flexible display screen.
  • the flexible display device when folded is shown in FIG.
  • the flexible display device of the above embodiment there is only one flexible display screen 1, and the folding of the display device can be realized by the folding of the adjacent support plates 2.
  • a known flexible display device includes a plurality of hinged display screens, and the folding of the flexible display device is achieved by folding the adjacent display screens.
  • the flexible display device in the above embodiment Compared with the existing flexible display device, the following technical defects are overcome: since the adjacent display screen has a slit at the docking point, when a plurality of display screens are butted together to display one screen, the display effect at the slit is not satisfactory. Therefore, the flexible display device in the above embodiment has a broader development prospect.
  • the flexible display device may be, for example, a liquid crystal panel, an electronic paper, an OLED panel, a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator, or the like, or any product or component having a display function.
  • the adjacent support plates are relatively rotatable to a folded state, and thus the flexible display device can be folded, and the guide body can prevent the flexible display when the flexible display device is in the folded state.
  • the curved portion of the screen is pressed by the support plate, so that the curved portion of the flexible display screen is accommodated in the space where the guide body and the support plate are supported, and thus, the guide body can avoid the wrinkle problem of the curved portion of the flexible display screen, therefore, the present invention
  • the flexible display device provided by the embodiment of the invention does not need to frequently replace the flexible display screen, thereby prolonging the service life of the flexible display screen.

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

Abstract

一种柔性显示装置。该柔性显示装置包括柔性显示屏(1)和用于固定所述柔性显示屏(1)的至少两个支撑板(2)，其中所述至少两个支撑板(2)中的一个支撑板(2)相对另一个支撑板(2)转动至彼此重叠，该柔性显示装置还包括：设置在相邻两个所述支撑板(2)之间的导向体(3)，用于防止所述柔性显示屏（1）的弯曲部受相邻两个所述支撑板(2)挤压。由于柔性显示屏（1）折叠时，可以将其弯曲部容纳在导向体(3)和两个支撑板(2)撑起的空间中，避免了柔性显示屏（1）褶皱问题，延长了使用寿命。

Description

柔性显示装置 技术领域
本发明实施例涉及显示领域，尤其涉及一种柔性显示装置。
背景技术
目前，手机、平板电脑等显示类电子产品，不仅要满足人们的工作需求，还要满足人们的娱乐需求，为使人们享受身临其境的显示效果，大屏幕化成为一种发展趋势。然而，屏幕较大的显示类电子产品，对于其放置空间要求较为严格，造成携带不便。面对大屏幕的显示类电子产品携带不便的问题，柔性的显示类电子产品(以下简称柔性显示装置)应运而生。
一种已知柔性显示装置包括柔性显示屏和两个支撑板，其中，两个支撑板通过铰链相互连接且两个支撑板均与柔性显示屏固定连接。当需要携带上述柔性显示装置出行时，通过两个支撑板的对折可实现该柔性显示装置的折叠，携带十分方便。然而，当该柔性显示装置处于折叠状态时，柔性显示屏的弯曲部分容易受挤压，导致出现褶皱，当褶皱明显时会严重影响显示质量，需要更换柔性显示屏，导致上述柔性显示装置中的柔性显示屏使用寿命短。
发明内容
本发明实施例提供一种柔性显示装置，包括柔性显示屏和用于固定所述柔性显示屏的至少两个支撑板，其中所述至少两个支撑板中的一个支撑板相对另一个支撑板转动至彼此重叠，该柔性显示装置还包括：设置在相邻两个所述支撑板之间的导向体，用于防止所述柔性显示屏的弯曲部受相邻两个所述支撑板挤压。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对实施例的附图作简单地介绍，显而易见地，下面描述中的附图仅仅涉及本发明的一些实施例，而非对本发明的限制。
图1为本发明实施例提供的柔性显示装置展开时的示意图；
图2为本发明实施例提供的柔性显示装置折叠时的示意图；
图3为本发明实施例提供的第一夹持部和第二夹持部的结构示意图；
图4为本发明实施例提供的滚柱与板状本体的连接方式示意图；
图5为本发明实施例提供的柔性显示装置展开时的局部放大图；
图6为本发明实施例提供的导向体的剖视图；
图7为本发明实施例提供的柔性显示装置折叠时的局部放大图；
图8为本发明实施例提供的导向体两端设有挡板时的结构示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例的附图，对本发明实施例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发明的一部分实施例，而不是全部的实施例。基于所描述的本发明的实施例，本领域普通技术人员在无需创造性劳动的前提下所获得的所有其他实施例，都属于本发明保护的范围。
除非另作定义，此处使用的技术术语或者科学术语应当为本发明所属领域内具有一般技能的人士所理解的通常意义。本发明专利申请说明书以及权利要求书中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。“包括”或者“包含”等类似的词语意指出现在“包括”或者“包含”前面的元件或者物件涵盖出现在“包括”或者“包含”后面列举的元件或者物件及其等同，并不排除其他元件或者物件。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接，而是可以包括电性的连接，不管是直接的还是间接的。“上”、“下”、“左”、“右”等仅用于表示相对位置关系，当被描述对象的绝对位置改变后，则该相对位置关系也可能相应地改变。
本发明实施例提供一种柔性显示装置，包括柔性显示屏和用于固定所述柔性显示屏的至少两个支撑板，其中所述至少两个支撑板中的一个支撑板相对另一个支撑板转动至彼此重叠，该柔性显示装置还包括：设置在相邻两个所述支撑板之间的导向体，用于防止所述柔性显示屏的弯曲部受相邻两个所述支撑板挤压。
例如，如图1所示，柔性显示装置包括柔性显示屏1和多个支撑板2，其中，多个支撑板2均与柔性显示屏1固定连接，且多个支撑板2在柔性显示屏1的背面间隔排列成一排，在相邻的支撑板2之间设置有用于防止柔性显示屏1的弯曲部受支撑板2挤压的导向体3，相邻的支撑板2可相对转动至对折状态。支撑板2与柔性显示屏1之间的连接例如可以通过粘合方式实现。在柔性显示装置处于展开状态时，两个支撑板2位于同一平面内(如图2、5所示)；在柔性显示装置处于折叠状态时，两个支撑板2彼此重叠，柔性显示屏位于两个支撑板2之间(如图7所示)。
请继续参阅图1，以柔性显示装置中的支撑板2数量为两块为例，这两块支撑板2可以相对转动至对折状态，从而使柔性显示装置可以进行折叠，处于折叠状态的柔性显示装置如图2所示，因此，相比于处于展开状态的柔性显示装置占用较大的存放空间而言，处于折叠状态的柔性显示装置的可明显减小存放空间，便于携带和存放。在图1和图2所示的实施例中，相邻两个支撑板2之间设置有导向体3，当两个支撑板2处于对折状态时，导向体3将两个支撑板2的相对端隔开，具体如图2所示，从而为柔性显示屏1的弯曲部撑起一容纳空间，使柔性显示屏1的弯曲部在该容纳空间中，从而可避免柔性显示屏1的弯曲部出现褶皱问题，因此本实施例提供的柔性显示装置不需要经常更换柔性显示屏1，从而可以延长柔性显示屏1的使用寿命。
另外，从图2中可以看出，柔性显示装置处于折叠状态时，柔性显示屏1位于两个支撑板2和导向体3之间，从而通过两个支撑板2和导向体3可以保护柔性显示屏1不轻易受到以下损害，如磨损、刺穿等。为提高对柔性显示屏1的保护效果，支撑板2应具备较高的强度，具体实施时，支撑板2可选用金属或者塑料材料制作，为了使柔性显示装置较为轻便，支撑板2例如使用高强度的塑料材料制作。
如图1所示的实施例中，柔性显示装置包括两个支撑板2，柔性显示装置可以进行一次折叠，从而当柔性显示装置处于折叠状态时，便于携带和存放；在柔性显示屏1的大小不变的前提下，可以通过在柔性显示装置中设置多于两个的支撑板1，比如三个或四个，使柔性显示装置可以进行两次或三次折叠，使折叠后柔性显示装置的体积更小，更加便于携带和存放。
上述的导向体3在柔性显示装置中的安装方式有多种选择，例如：
安装方式一：如图3所示，相邻的支撑板2靠近对方的一端均设有第一夹持部4和第二夹持部5，同一支撑板2上的第一夹持部4和第二夹持部5相互配合，将导向体3的一部分约束在它们两者之间；换句话说，第一支撑板2和第二支撑板2为相邻的两个支撑板2，位于第一支撑板2的靠近第二支撑板2一端的第一夹持部4和第二夹持部5组成“左手”，位于第二支撑板2的靠近第一支撑板2一端的第一夹持部4和第二夹持部5组成“右手”，“左手”和“右手”分别握住导向体3的一部分，从而将导向体3约束在相邻的支撑板2之间。
安装方式二：对于处于第一支撑板2和第二支撑板2之间的导向体3而言，导向体3靠近第一支撑板2的一端通过铰链与第一支撑板2连接，导向体3靠近第二支撑板2的一端通过铰链与第二支撑板2连接，从而实现导向体3在柔性显示装置中的安装，其中，第一支撑板2和第二支撑板2为相邻的两个支撑板2。
导向体3采用第一种安装方式时，第一夹持部4和第二夹持部5的结构有多种选择。在实施例中，如图3所示，第一夹持部4为平板状结构并且设置在所述支撑板靠近所述柔性显示屏的一侧。第二夹持部5包括板状本体51和设置在板状本体51上的滚柱52。滚柱52伸向第一夹持部4，且滚柱52与导向体3的底面36接触。也就是，在所述板状本体51和第一夹持部4之间形成一腔，所述滚柱52可在所述腔内沿所述板状本体51的表面向第一夹持部4移动。第一夹持部4可以是一整块板，也可以是并排排列的多块条形板，同样，第二夹持部5的板状主体51可以是一整块板，也可以是多块平行排列的条形板，本实施例不做限定。可以理解的是，本领域技术人员对第一夹持部4和第二夹持部5的具体结构进行设计时，需考虑导向体3的形状和大小等因素，使制得的第一夹持部4和第二夹持部5能将导向体3约束在该柔性显示装置中。在本实施例的柔性显示装置中，滚柱52与导向体3的底面36保持接触，从而在柔性显示装置的折叠/展开过程中，滚柱52沿导向体3的底面36运动，即所述滚柱52在所述导向体3的底面36与所述板状本体51的表面之间运动，使得柔性显示装置的折叠/展开过程较为平稳，从而有利于对柔性显示屏1的保护，同时，还可以使得柔性显示装置的折叠/展开过程较为顺畅，便于人工对柔性显示装置进行折叠/展开操作。
上述实施例中，滚柱52可沿导向体3的底面36运动，为降低滚柱52沿导向3的底面36运动时的摩擦阻力，在本实施例中，导向体3的底面36为凸面，所述板状本体51的表面为凹面，二者在形状上相互匹配。进一步，例如，导向体3的底面36为抛光面，滚柱52的表面为抛光面。为降低制作成本，具体实施时，只需将导向体3的底面36与滚柱52接触的部分进行抛光即可。在本实施例中，滚柱52可以为一个长滚柱，也可以为串联的多个短滚柱，其中，滚柱52为串联的多个短滚柱时，相对于滚柱为一个长滚柱，可以减少滚柱52与导向体底面36的接触面积，从而降低滚柱52沿导向体3的底面36运动时的摩擦阻力。例如，滚柱52为串联的两个短滚柱，两个短滚柱分别设置在滚轴62的一端。当然，还可以通过在导向体3的底面36上涂润滑油，或者在导向体3的底面36上制作滚柱52的滑轨等方法减少摩擦，本实施例不再赘述。
上述实施例中，滚柱52与板状本体51的连接方式有多种选择，在本实施例中，如图4所示，滚柱52通过滚轴62与板状本体51相连，其中，滚轴62通过弹性支架(图中未示出)固定在板状本体51上，如此设计，在柔性显示装置的折叠/展开过程中，弹性支架可以对滚轴62的受力起到缓冲作用，从而使滚轴62不易发生断裂。另外，板状本体51的末端设有开槽61，为滚柱52提供滚动空间。具体实施时，为保证滚柱52的强度和表面光滑度，滚柱52例如使用硬质塑料加工制作；为保证滚轴62具有较高的强度，滚轴62例如使用高强度的金属制作；弹性支架可以是高强度弹簧或其他弹性支撑结构，即能起到对滚轴62的支撑作用，也具有一定的弹性。
为便于人们观看，如图5所示，柔性显示装置处于展开状态时，相邻的支撑板2处于同一平面上，且，相邻的支撑板2的滚柱52相互接触。两个滚柱52相互支撑，使相邻的支撑板2保持在同一平面上，从而使柔性显示屏1处于平整状态。柔性显示屏1处于平整状态进行显示时，有较大的显示面积，便于人们观看，且柔性显示屏1处于平整状态时，便于触控操作，从而便于人机交互。
为使柔性显示装置能保持在折叠/展开状态，从而便于观看/携带，如图6所示，导向体3的底面36设有第一卡槽31和两个第二卡槽32。第一卡槽31设置在导向体3的底面36的中央区域，两个第二卡槽32对称分布在第一卡 槽31的两侧。具体实施时，第一卡槽31和第二卡槽32的形状和大小需与滚柱52相匹配。如图5所示，相邻的支撑板2处于同一平面时，两个滚柱52位于第一卡槽31中，如图7所示，相邻的支撑板2处于对折状态时，两个滚柱52各位于一个第二卡槽32中，如此设计，在柔性显示装置的展开/折叠过程中，第一卡槽31/第二卡槽32对滚柱52起到卡位作用，从而使该柔性显示装置保持展开/折叠状态，便于观看/携带。
例如，如图8所示，导向体3的两个相对端部，即A端和B端，各设置有一个挡板33，当柔性显示装置处于折叠状态不小心掉落时，挡板33可以防止第一卡槽31的边缘直接与地面碰触，从而对第一卡槽31起到保护作用。该挡板33可以以任意方式安装到端部上，例如通过螺钉固定或通过粘合剂粘合。
例如，如图3所示，第一夹持部4的顶面41与其对应的支撑板2的顶面21齐平，第二夹持部5的底面53与其对应的支撑板2的底面22齐平。如此设计，当柔性显示装置处于展开状态时，如图5所示，第一夹持部4和支撑板2均与柔性显示屏1接触，对柔性显示屏1起到支撑作用，有利于对柔性显示屏1的保护，可以延长柔性显示屏1的使用寿命。另外，如图5所示，第二夹持部5的底面53和支撑板2的底面22处于同一平面，当处于展开状态的柔性显示装置放置在台面上时，更加稳定。
例如，如图6所示，导向体3的顶面35为平面，其上设有凹坑34，凹坑34可与第一夹持部4贴合，即容纳第一夹持部4，凹坑34与第一夹持部4的贴合效果具体如图5所示，如此设计，可以使柔性显示装置处于展开状态时，结构更加稳定。另外，凹坑34的侧壁37(即凹坑34与第一夹持部4的顶端贴合的部分)为抛光面，从而在柔性显示装置的折叠/展平过程时，第一夹持部4的顶端能够沿凹坑34的侧壁37滑行，有利于柔性显示装置的折叠/展平过程的连贯性。此外，从图5中还可以看到，当柔性显示装置处于展开状态时，导向体3的顶面35与柔性显示屏1接触，对柔性显示屏1起到支撑作用，有利于对柔性显示屏1的保护，可以延长柔性显示屏1的使用寿命。
为便于本领域技术人员更加清楚如图5和图7所示的柔性显示装置的结构，下面对柔性显示装置的展开/折叠过程进行说明：
如图7所示，柔性显示装置处于折叠状态，当折叠式柔性显示装置需要 展开时，同时分别给两个支撑板2一个向外拉伸的力，支撑板2将力传递给滚柱52，使滚柱52沿着导向体3的底面36向下滑行(即两个滚柱52相向而行)，同时，相邻的支撑板2相对转动，直到第一夹持部4转动至导向体3的凹坑中，与凹坑34贴合，且左右两个滚柱52分别进入两个第一卡槽31中，完成柔性显示装置的展开操作，处于展开状态的柔性显示装置如图5所示。
如图5所示，柔性显示装置处于展开状态，当柔性显示装置需要折叠时，同时分别给两个支撑板2一个向里的压力，这样第一夹持部4会给导向体3向下的压力，导向体3下降，从而每个滚柱52沿导向体3的底面36向上滑行(即两个滚柱52背向而行)，同时，相邻的支撑板2相对转动，直到滚柱52卡入第二卡槽32中，完成柔性显示屏的折叠操作，折叠时的柔性显示装置参见图7。
上述实施例中的柔性显示装置中仅有一块柔性显示屏1，通过相邻的支撑板2的对折可实现显示装置的折叠。对比而言，一种已知柔性显示装置，该柔性显示装置中包括多个铰接的显示屏，通过相邻的显示屏的对折来实现柔性显示装置的折叠，上述实施例中的柔性显示装置相比现有的柔性显示装置，克服了如下技术缺陷：由于相邻的显示屏对接处有狭缝，当多个显示屏对接起来共同显示一个画面时，狭缝处的显示效果不理想。因而，上述实施例中的柔性显示装置，有更广阔的发展前景。
上述柔性显示装置例如可以为：液晶面板、电子纸、OLED面板、手机、平板电脑、电视机、显示器、笔记本电脑、数码相框、导航仪等任何具有显示功能的产品或部件。
在本发明实施例提供的柔性显示装置中，相邻的支撑板可相对转动至对折状态，由此可知，该柔性显示装置可以折叠，在柔性显示装置处于折叠状态时，导向体可以防止柔性显示屏的弯曲部受到支撑板的挤压，使柔性显示屏的弯曲部容纳在导向体和支撑板撑起的空间中，因而，导向体可避免柔性显示屏的弯曲部的褶皱问题，因此，本发明实施例提供的柔性显示装置不需要经常更换柔性显示屏，延长了柔性显示屏的使用寿命。
以上所述仅是本发明的示范性实施方式，而非用于限制本发明的保护范围，本发明的保护范围由所附的权利要求确定。
本申请基于并且要求于2015年6月2日递交的中国专利申请第201510295886.1号的优先权，在此全文引用上述中国专利申请公开的内容。

Claims (19)

  1. 一种柔性显示装置，包括柔性显示屏和用于固定所述柔性显示屏的至少两个支撑板，其中所述至少两个支撑板中的一个支撑板相对另一个支撑板转动至彼此重叠，该柔性显示装置还包括：设置在相邻两个所述支撑板之间的导向体，用于防止所述柔性显示屏的弯曲部受相邻两个所述支撑板挤压。
  2. 根据权利要求1所述的柔性显示装置，其中，所述至少两个支撑板在所述柔性显示屏的背面上间隔排列，所述导向体设置在所述柔性显示屏的背面上且位于相邻的两个所述支撑板之间。
  3. 根据权利要求2所述的柔性显示装置，其中，相邻两个所述支撑板靠近对方的一端均设有第一夹持部和第二夹持部，所述导向体的一部分被容纳在所述第一夹持部和所述第二夹持部之间。
  4. 根据权利要求3所述的柔性显示装置，其中，所述第一夹持部为平板状的并且设置在所述支撑板靠近所述柔性显示屏的一侧。
  5. 根据权利要求3所述的柔性显示装置，其中，所述第二夹持部包括板状本体和滚柱，在所述板状本体和所述平板状第一夹持部之间形成腔，所述滚柱在所述腔内沿所述板状本体的表面运动。
  6. 根据权利要求5所述的柔性显示装置，其中，所述导向体容纳在所述腔中，所述滚柱与所述导向体的底面接触。
  7. 根据权利要求5所述的柔性显示装置，其中，所述滚柱在所述导向体的底面与所述板状本体的表面之间运动。
  8. 根据权利要求6所述的柔性显示装置，其中，所述导向体的底面为凸面，所述板状本体的表面为凹面。
  9. 根据权利要求8所述的柔性显示装置，其中，所述导向体的底面为抛光面，所述滚柱的表面为抛光面。
  10. 根据权利要求5至9任一项所述的柔性显示装置，其中，相邻两个所述支撑板处于同一平面内，并且它们各自的滚柱相互接触。
  11. 根据权利要求10所述的柔性显示装置，其中，所述导向体的底面设有第一卡槽，相邻两个所述支撑板处于同一平面内，两个所述滚柱位于所述第一卡槽中。
  12. 根据权利要求11所述的柔性显示装置，其中，所述导向体的底面还设有两个第二卡槽，相邻两个所述支撑板中的一个支撑板相对另一个支撑板转动至彼此重叠，两个所述滚柱各位于一个所述第二卡槽中。
  13. 根据权利要求11所述的柔性显示装置，其中，所述第一卡槽设置在导向体的底面的中央区域，两个第二卡槽对称分布在所述第一卡槽的两侧。
  14. 根据权利要求4所述的柔性显示装置，其中，所述第一夹持部的顶面与其对应的支撑板的顶面齐平。
  15. 根据权利要求5所述的柔性显示装置，其中，所述第二夹持部的底面与其对应的支撑板的底面齐平。
  16. 根据权利要求5所述的柔性显示装置，其中，所述导向体的顶面设有凹坑，所述凹坑容纳所述第一夹持部。
  17. 根据权利要求5所述的柔性显示装置，其中，所述板状本体和滚柱通过滚轴连接。
  18. 根据权利要求17所述的柔性显示装置，其中，所述板状本体的端部设有开槽用以为所述滚柱提供滚动空间。
  19. 根据权利要求3所述的柔性显示装置，其中，所述导向体的两个相对端上均设置有挡板。
PCT/CN2016/079036 2015-06-02 2016-04-12 柔性显示装置 WO2016192464A1 (zh)

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