WO2016155450A1 - 一种卷轴显示装置 - Google Patents

一种卷轴显示装置 Download PDF

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Publication number
WO2016155450A1
WO2016155450A1 PCT/CN2016/075166 CN2016075166W WO2016155450A1 WO 2016155450 A1 WO2016155450 A1 WO 2016155450A1 CN 2016075166 W CN2016075166 W CN 2016075166W WO 2016155450 A1 WO2016155450 A1 WO 2016155450A1
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WO
WIPO (PCT)
Prior art keywords
locking mechanism
flexible display
display screen
display device
bracket
Prior art date
Application number
PCT/CN2016/075166
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English (en)
French (fr)
Inventor
祝尚杰
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 US15/513,953 priority Critical patent/US10223942B2/en
Publication of WO2016155450A1 publication Critical patent/WO2016155450A1/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
    • G09F9/301—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
    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
    • H10K77/10—Substrates, e.g. flexible substrates
    • H10K77/111—Flexible substrates
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2102/00—Constructional details relating to the organic devices covered by this subclass
    • H10K2102/301—Details of OLEDs
    • H10K2102/311—Flexible OLED
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/549—Organic PV cells

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a reel display device.
  • the reel display device includes a housing, a reel pivotally mounted on the housing, a flexible display screen, and a bracket that supports the flexible display screen after deployment.
  • the housing has a flexible display extension, the fixed side of the flexible display is coupled to the spool, and the extended side extends from the flexible display extension of the housing; when the flexible display of the spool display is rolled up, The flexible display is wound on the reel and within the housing, the stand is stowed; when the flexible display of the reel display is unfolded, the stand unfolds to support the flexible display.
  • the edges of the two sides connected to the fixed side and the extended side of the flexible display are the most vulnerable parts of the flexible display, and the life of the portion directly affects the entire reel display device. The service life.
  • Embodiments of the present invention provide a reel display device that can stably cooperate with a support when the reel display device is deployed, thereby reducing damage to the flexible display and extending the use of the reel display device. life.
  • a reel display device may include a flexible display screen, a housing having a flexible display screen extension, a roller pivotally mounted to the housing, and a bracket mounted to the housing.
  • a first side of the flexible display screen is mounted to the roller, and a second side opposite the first side edge is extendable from the housing through the flexible display extension;
  • the flexible display At least one of the third side and the fourth side connected to the first side and the second side may be provided with a first locking mechanism, and the bracket is provided with a second locking mechanism
  • the first locking mechanism is magnetically coupled to the second locking mechanism to lock the third side and the fourth side of the flexible display screen when the bracket and the flexible display screen are unfolded The relative positional relationship between the brackets.
  • the relative positional relationship between the flexible display screen and the bracket can be locked by the magnetic connection between the first locking mechanism and the second locking mechanism. Therefore, when the flexible display screen is unfolded, the stability of the edges of the third side and the fourth side is higher. And the first locking mechanism and the second locking mechanism are connected by magnetic connection, and the first locking mechanism and the second locking mechanism of the magnetic connection are simple in structure, and do not require complicated fitting structure, so the locking mechanism itself does not.
  • the flexible display screen causes damage, so that the third side and the fourth side of the flexible display screen are not easily damaged, and the life of the reel display device can be extended.
  • the first locking mechanism does not overlap on the surface of the roller when the flexible display screen is retracted onto the roller.
  • the third side and the fourth side are linear, and the first side is directed in a direction of the second side, the first The distance between the three sides and the fourth side is gradually reduced.
  • the third side when the flexible display screen is deployed, the third side may be in a zigzag shape, and each of the serrations of the third side may have a first lock perpendicular to the first side
  • the first locking mechanism disposed on the third side of the mechanism may include a first sub-locking mechanism corresponding to the serrations of the third side, and the first sub-locking mechanism is disposed at The first locking mechanism mounts a side edge.
  • the fourth side edge when the flexible display screen is deployed, the fourth side edge may be in a zigzag shape, and each of the saw teeth of the fourth side has a first locking mechanism perpendicular to the first side edge.
  • the first side locking mechanism includes a first sub-locking mechanism corresponding to the serrations of the fourth side, and the first sub-locking mechanism is disposed at the first side The locking mechanism is mounted on the side.
  • the first locking mechanism includes an electromagnetic shielding layer disposed to face the bracket when the flexible display screen is deployed, and a magnetic body disposed on a side of the electromagnetic shielding layer facing the bracket a plurality of magnetic members evenly distributed along the third side and the fourth side of the flexible display screen;
  • the second locking mechanism may include the magnetic strip when the bracket and the flexible display screen are unfolded Or a magnetic component that is magnetically coupled to the magnetic component.
  • the magnetic member may include an electromagnet or a permanent magnet
  • the suction member may include a plurality of electromagnets, permanent magnets or iron blocks corresponding to the one-to-one of the magnetic members.
  • the bracket may be provided with an alignment groove corresponding to the magnetic component, and the suction component is located in the alignment groove.
  • the bracket may include a plurality of sections of sliding brackets that are sequentially slidably engaged, and each of the carriages is provided with a second sub-locking mechanism. When the carriages are deployed, each of the second sub-locks The stopping mechanism forms the second locking mechanism.
  • each adjacent two-section sliding frame is slidably engaged by a sliding-fitted sliding rail and a slider.
  • FIG. 1 is a schematic structural diagram of a reel display device according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a mating structure between a flexible display screen and a bracket in a reel display device according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a flexible display screen in a reel display device according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural view of the flexible display screen of the embodiment shown in FIG. 3 when it is retracted on the roller;
  • FIG. 5 is a schematic structural diagram of a flexible display screen in a reel display device according to another embodiment of the present invention.
  • FIG. 6 is a schematic structural view of the flexible display screen of the embodiment shown in FIG. 5 when it is retracted on the roller;
  • FIG. 7 is a schematic structural view of a bracket corresponding to the flexible display screen of the embodiment shown in FIG. 6.
  • FIG. 7 is a schematic structural view of a bracket corresponding to the flexible display screen of the embodiment shown in FIG. 6.
  • the reel display device may include a flexible display screen 3, a housing having a flexible display screen extension opening, and a roller shaft 2 pivotally mounted on the housing 1 and mounted on the housing.
  • a bracket 4 of the first display the first side of the flexible display 3 is mounted on the roller 2, and the second side opposite to the first side can protrude from the housing through the flexible display extension;
  • the first side and the second side are connected to the third side and the fourth side
  • At least one of the at least one can be provided with a first locking mechanism
  • the bracket 4 is provided with a second locking mechanism; when the bracket 4 and the flexible display screen 3 are deployed, the first locking mechanism and the second locking mechanism can be magnetically connected to lock
  • the flexible display screen 3 can be realized by the magnetic connection between the first locking mechanism and the second locking mechanism disposed on the bracket 4 when the flexible display screen 3 is deployed.
  • the first locking mechanism and the second locking mechanism are connected by magnetic connection, and the first locking mechanism and the second locking mechanism of the magnetic connection are simple in structure, and do not require complicated fitting structure, and therefore, the locking mechanism itself does not
  • the flexible display screen 3 is damaged. Therefore, the third side and the fourth side of the flexible display screen 3 are not easily damaged, which is beneficial to extend the life of the reel display device.
  • the first locking structure in order to reduce the space occupied when the flexible display screen 3 is retracted on the roller 2, the first locking structure may be set such that when the flexible display is When the screen 3 is retracted on the roller 2, the first locking mechanism does not overlap on the surface of the roller 2.
  • the third side A and the fourth side B of the flexible display screen 3 may be linear, and along the flexible display screen
  • the direction of the one side to the second side (as shown in the direction a in FIG. 3), the distance between the third side A and the fourth side B can be gradually reduced.
  • the structure when the flexible display screen 3 provided by the embodiment is retracted on the roller 2 can be as shown in FIG. 4.
  • the third side A when the flexible display screen 3 is deployed, the third side A may be serrated, and each of the serrations of the third side may have a first perpendicular to the first side.
  • the locking mechanism is mounted on the side, and the first locking mechanism disposed on the third side A can include a first sub-locking mechanism corresponding to the serration of the third side A, and the first sub-locking mechanism can be set The side is installed on the first locking mechanism.
  • the structure of the fourth side B can be similar to the third side A.
  • the fourth side B when the flexible display screen 3 is deployed, the fourth side B may be serrated, and each of the serrations of the fourth side may have a first locking mechanism mounting side perpendicular to the first side.
  • the first locking mechanism disposed on the fourth side B may include a first sub-locking mechanism corresponding to the serration of the fourth side B, and the first sub-locking mechanism may be disposed on the first locking mechanism Install the side.
  • the structures of the third side A and the fourth side B of the flexible display screen 3 can be as shown in FIG. 6, and the shape of the bracket 4 can be As shown in Figure 7.
  • the first locking mechanism 30 may include an electromagnetic shielding layer 302 disposed on a surface of the flexible display 3 when deployed toward the bracket 4, and an orientation disposed on the electromagnetic shielding layer 302. a magnetic strip of the bracket 4 or a plurality of magnetic members 301 uniformly distributed along the third side A and the fourth side B of the flexible display screen 3; correspondingly, as shown in FIG. 2, the second locking mechanism may be disposed on A suction member that is magnetically engaged with the magnetic strip or the magnetic member 301 when the bracket 4 and the flexible display screen 3 are unfolded on the bracket.
  • the first locking mechanism 30 is provided in both the third side A and the fourth side B of the flexible display screen connected to the first side and the second side,
  • one of the third side A and the fourth side B may be provided with a first locking mechanism 30.
  • the magnetic member may include an electromagnet or a permanent magnet
  • the suction member may include a plurality of electromagnets, permanent magnets or iron blocks in one-to-one correspondence with the magnetic members.
  • the bracket 4 may be provided with an alignment groove 400 corresponding to the magnetic member 301, and the suction member may be located in the alignment groove 400.
  • the magnetic component 301 of the flexible display 3 is attracted to the suction component on the bracket 4, the magnetic component 301 on the flexible display 3 can be embedded in the alignment groove 400 of the bracket 4, so that not only the flexible display 3 can be deployed.
  • the accuracy of the alignment between the time and the bracket 4 can also make the flexible display screen 3 more conformable to the bracket 4 when deployed, and ensure the stability when the flexible display screen 3 is locked with the bracket 4 when deployed.
  • the bracket 4 may include a plurality of sections of sliding brackets, such as the carriages 41, 42, 43, and 44, and each of the carriages may be provided with a second The sub-locking mechanism 40, when the respective carriages are deployed, the second sub-locking mechanism 40 on each of the carriages forms a second locking mechanism.
  • the bracket 4 can be composed of a plurality of sliding frames which are slidingly matched in sequence, so that the corresponding sliding frames in the bracket 4 can be synchronously extended according to the outer elongation and the extension speed of the flexible display screen 3, so that the flexible display screen 3 is extended from the housing.
  • the first locking mechanism and the second locking mechanism are locked to the corresponding carriages, so that the damage of the flexible display screen 3 during the extension of the casing 1 can be alleviated or avoided.
  • each adjacent two sections The sliding brackets are slidably engaged with the sliding rails and the sliders.

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

Abstract

一种卷轴显示装置，包括柔性显示屏(3)、壳体(1)、枢装于壳体(1)的滚轴(2)、安装于壳体(1)的支架(4)；柔性显示屏(3)的与第一侧边以及第二侧边相连的第三侧边和第四侧边二者中的至少一个上设有第一锁止机构(30)，支架(4)上设有第二锁止机构；当柔性显示屏(3)展开时，第一锁止机构(30)与第二锁止机构磁性连接以锁定柔性显示屏(3)与支架(4)之间的相对位置关系。卷轴显示装置中柔性显示屏(3)在展开时边缘稳定性较高，磁性连接结构简单，卷轴显示装置的使用寿命较长。

Description

一种卷轴显示装置 技术领域
本发明涉及显示技术领域，特别涉及一种卷轴显示装置。
背景技术
卷轴显示装置包括壳体、枢装于壳体上的卷轴、柔性显示屏、展开后对柔性显示屏进行支撑的支架。壳体具有柔性显示屏伸出口，柔性显示屏的固定侧边与卷轴连接，且伸出侧边可自壳体的柔性显示屏伸出口伸出；当卷轴显示装置的柔性显示屏卷起时，柔性显示屏卷在卷轴上且位于壳体内，支架收起；当卷轴显示装置的柔性显示屏展开时，支架展开以对柔性显示屏进行支撑。
对于卷轴显示装置，与柔性显示屏的固定侧边以及伸出侧边相连的两个侧边的边缘是柔性显示屏中最容易受到损坏的部位，该部位的使用寿命直接影响到整个卷轴显示装置的使用寿命。
因此，如何在卷轴显示装置中的柔性显示屏展开时对柔性显示屏中与固定侧边相连的两个侧边进行保护是本领域技术人员亟需解决的技术问题之一。
发明内容
本发明的实施例提供了一种卷轴显示装置，该卷轴显示装置在展开时，柔性显示屏能够与支架之间稳定地配合，进而减小了对柔性显示屏的损伤、延长卷轴显示装置的使用寿命。
根据本发明的实施例所提供的卷轴显示装置，其可包括柔性显示屏、具有柔性显示屏伸出口的壳体、枢装于所述壳体的滚轴、安装于所述壳体的支架，所述柔性显示屏的第一侧边安装于所述滚轴，且与第一侧边相对的第二侧边能够通过所述柔性显示屏伸出口伸出所述壳体；所述柔性显示屏的与所述第一侧边以及第二侧边相连的第三侧边和第四侧边二者中的至少一个可设有第一锁止机构，所述支架上设有第二锁止机构；当所述支架和所述柔性显示屏展开时，所述第一锁止机构与所述第二锁止机构磁性连接以锁定所述柔性显示屏的第三侧边以及第四侧边与所述支架之间的相对位置关系。
对于本发明的实施提供的卷轴显示装置，当柔性显示屏展开时，可以通过第一锁止机构与第二锁止机构之间的磁性连接实现对柔性显示屏与支架之间相对位置关系的锁定，因此，柔性显示屏在展开时，其第三侧边和第四侧边的边缘的稳定性较高。且第一锁止机构和第二锁止机构之间通过磁性连接，磁性连接的第一锁止机构和第二锁止机构结构简单，不需要复杂的配合结构，因此锁止机构本身不会对柔性显示屏造成损伤，从而使得柔性显示屏展开后的第三侧边和第四侧边不易受到损伤，卷轴显示装置的使用寿命可得以延长。
在根据本发明的一个实施例中，当所述柔性显示屏卷收于所述滚轴上时，所述第一锁止机构在所述滚轴的表面上无交叠。
在一个实施例中，所述柔性显示屏展开时，所述第三侧边和所述第四侧边呈直线状，且沿所述第一侧边指向第二侧边的方向，所述第三侧边与所述第四侧边之间的距离逐渐减小。
在另一实施例中，所述柔性显示屏展开时，所述第三侧边可呈锯齿状，第三侧边的每一个锯齿可具有一个与所述第一侧边垂直的第一锁止机构安装侧边，设置于第三侧边的第一锁止机构可包括与所述第三侧边的锯齿一一对应的第一子锁止机构，且所述第一子锁止机构设置于所述第一锁止机构安装侧边。
在另一实施例中，所述柔性显示屏展开时，所述第四侧边可呈锯齿状，第四侧边的每一个锯齿具有一个与所述第一侧边垂直的第一锁止机构安装侧边，设置于第四侧边第一锁止机构包括与所述第四侧边的锯齿一一对应的第一子锁止机构，且该第一子锁止机构设置于所述第一锁止机构安装侧边。
在一个实施例中，所述第一锁止机构包括被设置成当所述柔性显示屏展开时朝向所述支架的电磁屏蔽层、以及被设置于所述电磁屏蔽层朝向支架的一侧的磁条或者沿柔性显示屏的第三侧边和第四侧边均匀分布的多个磁性部件；所述第二锁止机构可包括当所述支架和所述柔性显示屏展开时与所述磁条或者磁性部件磁性配合的吸力部件。
进一步地，所述磁性部件可包括电磁铁或者永磁体，所述吸力部件可包括与所述磁性部件的一一对应的多个电磁铁、永磁体或者铁块。
进一步地，所述支架可设有与所述磁性部件一一对应的对位槽，所述吸力部件位于所述对位槽内。
在一个实施例中，所述支架可包括多节依次滑动配合的滑动架，每一节滑动架上设有第二子锁止机构，当各节滑动架展开时，各所述第二子锁止机构形成所述第二锁止机构。
进一步地，多节所述滑动架中，每相邻的两节滑动架之间通过滑动配合的滑轨和滑块滑动配合。
附图说明
下面结合附图来说明本发明的详细实施例，其中附图仅仅用来示意性地说明本发明实施例所提出的卷轴显示装置或其部件的结构，实际的卷轴显示装置或部件并不受限于所图示的尺寸或形状。
图1为本发明一种实施例提供的卷轴显示装置的结构示意图；
图2为本发明一种实施例提供的卷轴显示装置中柔性显示屏与支架之间的配合结构示意图；
图3为本发明一种实施例中提供的卷轴显示装置中柔性显示屏的一种结构示意图；
图4为图3所示实施例的柔性显示屏卷收于滚轴时的结构示意图；
图5为本发明另一实施例中提供的卷轴显示装置中柔性显示屏的结构示意图；
图6为图5所示实施例的柔性显示屏卷收于滚轴时的结构示意图；
图7为与图6所示实施例的柔性显示屏对应的支架的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动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。
请参考图1和图2，本发明实施例提供的卷轴显示装置可包括柔性显示屏3、具有柔性显示屏伸出口的壳体1、枢装于壳体1的滚轴2、安装于壳体1的支架4，柔性显示屏3的第一侧边安装于滚轴2，且与第一侧边相对的第二侧边能够通过柔性显示屏伸出口伸出壳体1；柔性显示屏的与第一侧边以及第二侧边相连的第三侧边和第四侧边二者中 的至少一个可设有第一锁止机构，支架4上设有第二锁止机构；当支架4和柔性显示屏3展开时，第一锁止机构与第二锁止机构可磁性连接以锁定柔性显示屏3的第三侧边以及第四侧边与支架4之间的相对位置关系。
对于本发明的实施例提供的卷轴显示装置，由于当柔性显示屏3展开时可以通过第一锁止机构与设置在支架4上的第二锁止机构之间的磁性连接实现对柔性显示屏3与支架4之间相对位置关系的锁定，因此，柔性显示屏3在展开时其第三侧边和第四侧边所在的边缘稳定性较高。且第一锁止机构和第二锁止机构之间可通过磁性连接，磁性连接的第一锁止机构和第二锁止机构结构简单，不需要复杂的配合结构，因此，锁止机构本身不会对柔性显示屏3造成损伤，因此，柔性显示屏3展开后的第三侧边和第四侧边不易受到损伤，有益于延长卷轴显示装置的使用寿命。
在本发明的一些实施例中，如图4和图6所示，为了减小柔性显示屏3卷收于滚轴2上时占用的空间，第一锁止结构可以被设置为使得当柔性显示屏3卷收于滚轴2上时第一锁止机构在滚轴2的表面上无交叠。
例如，在一个实施例中，如图3所示，当柔性显示屏3展开时，柔性显示屏3的第三侧边A和第四侧边B可以呈直线状，且沿柔性显示屏的第一侧边指向第二侧边的方向(如图3中所示方向a)，第三侧边A与第四侧边B之间的距离可以逐渐减小。具体地，该实施例所提供的柔性显示屏3卷收于滚轴2上时的结构可以如图4所示。
在另一实施例中，如图5所示，柔性显示屏3展开时，第三侧边A可以呈锯齿状，第三侧边的每一个锯齿可具有一个与第一侧边垂直的第一锁止机构安装侧边，设置于第三侧边A的第一锁止机构可包括与第三侧边A的锯齿一一对应的第一子锁止机构，且第一子锁止机构可设置于该第一锁止机构安装侧边。
同理，第四侧边B的结构可以与第三侧边A类似。如图5所示，柔性显示屏3展开时，第四侧边B可呈锯齿状，第四侧边的每一个锯齿可具有一个与第一侧边垂直的第一锁止机构安装侧边，设置于第四侧边B的第一锁止机构可包括与第四侧边B的锯齿一一对应的第一子锁止机构，且该第一子锁止机构可设置于第一锁止机构安装侧边。
该实施例所提供的柔性显示屏3卷收于滚轴2上时，柔性显示屏3的第三侧边A和第四侧边B的结构可如图6所示，且支架4的形状可以如图7中所示。
在一个具体的实施例中，如图3所示，第一锁止机构30可包括设置于柔性显示屏3展开时朝向支架4的表面的电磁屏蔽层302、设置于电磁屏蔽层302上的朝向支架4的磁条或者沿柔性显示屏3的第三侧边A和第四侧边B均匀分布的多个磁性部件301；相应地，如图2所示，第二锁止机构可包括设置于支架上、当支架4和柔性显示屏3展开时与磁条或者磁性部件301磁性配合的吸力部件。尽管在图3所示的实施例中，柔性显示屏的与第一侧边以及第二侧边相连的第三侧边A和第四侧边B二者中设有第一锁止机构30，但是，在其它的可能的实施例中，可以是第三侧边A和第四侧边B二者中的一个设有第一锁止机构30。
在本发明的实施例中，上述磁性部件可以包括电磁铁或者永磁体，吸力部件可包括与磁性部件的一一对应的多个电磁铁、永磁体或者铁块。
在本发明的一个实施例中，支架4上可设有与磁性部件301一一对应的对位槽400，吸力部件可位于对位槽400内。当柔性显示屏3的磁性部件301与支架4上的吸力部件吸合后，柔性显示屏3上的磁性部件301可嵌入支架4的对位槽400内，这样，不仅能够保证柔性显示屏3展开时与支架4之间对位的精确性，同时能够使柔性显示屏3展开时更加贴合支架4，保证柔性显示屏3展开时与支架4之间锁定时的稳定性。
如图2所示，在本发明的一个具体实施例中，支架4可包括多节依次滑动配合的滑动架，如滑动架41、42、43和44，每一个滑动架上可设有第二子锁止机构40，当各节滑动架展开时，各节滑动架上的第二子锁止机构40形成第二锁止机构。支架4可由多节依次滑动配合的滑动架组成，可以使支架4中相应的滑动架根据柔性显示屏3的外伸长度以及外伸速度同步外伸，从而使得柔性显示屏3在伸出壳体1的同时通过第一锁止机构和第二锁止机构锁定在相应的滑动架上，能够减轻或避免柔性显示屏3在伸出壳体1过程中受到的损伤。
在本发明的实施例中，对于支架4的多节滑动架，每相邻的两节 滑动架之间可通过滑动配合的滑轨和滑块滑动配合。
显然，本领域的技术人员可以对本发明实施例进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (10)

  1. 一种卷轴显示装置，包括：
    柔性显示屏；
    具有柔性显示屏伸出口的壳体；
    枢装于所述壳体的滚轴；
    安装于所述壳体的支架，
    其中所述柔性显示屏的第一侧边安装于所述滚轴，且与所述第一侧边相对的第二侧边能够通过所述柔性显示屏伸出口伸出所述壳体；所述柔性显示屏的与所述第一侧边以及第二侧边相连的第三侧边和第四侧边二者中的至少一个设有第一锁止机构，所述支架上设有第二锁止机构；
    其中当所述支架和所述柔性显示屏展开时，所述第一锁止机构与所述第二锁止机构磁性连接以锁定所述柔性显示屏的第三侧边以及第四侧边与所述支架之间的相对位置关系。
  2. 根据权利要求1所述的卷轴显示装置，其中当所述柔性显示屏卷收于所述滚轴上时，所述第一锁止机构在所述滚轴的表面上无交叠。
  3. 根据权利要求1所述的卷轴显示装置，其中所述柔性显示屏展开时，所述第三侧边和所述第四侧边呈直线状，且沿所述第一侧边指向第二侧边的方向，所述第三侧边与所述第四侧边之间的距离逐渐减小。
  4. 根据权利要求1所述的卷轴显示装置，其中所述柔性显示屏展开时，所述第三侧边呈锯齿状，第三侧边的每一个锯齿具有一个与所述第一侧边垂直的第一锁止机构安装侧边，设置于第三侧边第一锁止机构包括与所述第三侧边的锯齿一一对应的第一子锁止机构，且所述第一子锁止机构设置于所述第一锁止机构安装侧边。
  5. 根据权利要求4所述的卷轴显示装置，其中所述柔性显示屏展开时，所述第四侧边呈锯齿状，第四侧边的每一个锯齿具有一个与所述第一侧边垂直的第一锁止机构安装侧边，设置于第四侧边的第一锁止机构包括与所述第四侧边的锯齿一一对应的第一子锁止机构，且该第一子锁止机构设置于所述第一锁止机构安装侧边。
  6. 根据权利要求1所述的卷轴显示装置，其中所述第一锁止机构 包括被设置成当柔性显示屏展开时朝向所述支架的电磁屏蔽层、以及被设置于所述电磁屏蔽层朝向支架的一侧的磁条或者沿柔性显示屏的第三侧边和第四侧边均匀分布的多个磁性部件；所述第二锁止机构包括当所述支架和所述柔性显示屏展开时与所述磁条或者磁性部件磁性配合的吸力部件。
  7. 根据权利要求6所述的卷轴显示装置，其中所述磁性部件包括电磁铁或者永磁体，所述吸力部件包括与所述磁性部件的一一对应的多个电磁铁、永磁体或者铁块。
  8. 根据权利要求6所述的卷轴显示装置，其中所述支架设有与所述磁性部件一一对应的对位槽，所述吸力部件位于所述对位槽内。
  9. 根据权利要求1-8任一项所述的卷轴显示装置，其中所述支架包括多节依次滑动配合的滑动架，每一节滑动架上设有第二子锁止机构，当各节滑动架展开时，各所述第二子锁止机构形成所述第二锁止机构。
  10. 根据权利要求9所述的卷轴显示装置，其中多节所述滑动架中，每相邻的两节滑动架之间通过滑动配合的滑轨和滑块滑动配合。
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