WO2020220433A1 - 柔性显示装置 - Google Patents

柔性显示装置 Download PDF

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Publication number
WO2020220433A1
WO2020220433A1 PCT/CN2019/090484 CN2019090484W WO2020220433A1 WO 2020220433 A1 WO2020220433 A1 WO 2020220433A1 CN 2019090484 W CN2019090484 W CN 2019090484W WO 2020220433 A1 WO2020220433 A1 WO 2020220433A1
Authority
WO
WIPO (PCT)
Prior art keywords
flexible display
housing
roller
display device
display screen
Prior art date
Application number
PCT/CN2019/090484
Other languages
English (en)
French (fr)
Inventor
王芳
张卓
韩文
Original Assignee
武汉华星光电半导体显示技术有限公司
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 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
Priority to US16/771,247 priority Critical patent/US11240923B2/en
Publication of WO2020220433A1 publication Critical patent/WO2020220433A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0235—Slidable or telescopic telephones, i.e. with a relative translation movement of the body parts; Telephones using a combination of translation and other relative motions of the body parts
    • H04M1/0237—Sliding mechanism with one degree of freedom

Definitions

  • This application relates to the field of display technology, and in particular to a flexible display device.
  • Flexible display devices have the advantages of good bending resistance, and can be folded and rolled to make their volume smaller and occupy less space, so they are more and more popular in the market.
  • the existing flexible display device mainly adopts the inner bending or the outer bending method to store the flexible display screen, but the flexible display device folded in the two methods is still large in volume and cannot meet the needs of portability.
  • the existing flexible display device has a technical problem that the volume of the flexible display screen is too large after being rolled, and needs to be improved.
  • the present application provides a flexible display device to alleviate the technical problem that the flexible display screen is too large after being rolled in the existing flexible display device.
  • This application provides a flexible display device, including:
  • a housing a housing cavity is formed inside the housing, and an opening is formed on at least one of two opposite sides of the housing cavity;
  • At least one winding mechanism is arranged in the receiving cavity
  • the flexible display screen is arranged outside the casing, and one end of the flexible display screen extends from the opening and is connected to the winding mechanism;
  • At least one stretching mechanism is arranged in the receiving cavity, and each stretching mechanism is connected to one of the winding mechanisms;
  • the stretching mechanism pulls the winding mechanism, moves in a direction away from the housing, and pulls the flexible display screen out of the winding mechanism;
  • the stretching mechanism pulls the winding mechanism and moves in a direction toward the housing to retract the flexible display screen into the winding mechanism.
  • the housing includes a first housing, a second housing, and a connecting member connecting the first housing and the second housing, and the interior of the first housing A first storage cavity is formed, a second storage cavity is formed inside the second housing, and at least one of the first storage cavity and the second storage cavity has an opening formed on a side away from the connecting member, wherein, when the flexible display screen is in the first state, the first housing and the second housing are flattened around the connecting member, and when the flexible display screen is in the second state, the first housing The body and the second housing are folded in half around the connecting member.
  • the first winding mechanism includes a winding member and a first roller that have parallel axes and do not contact each other, and the first roller is disposed between the winding member and the opening , The winding member and the first roller are fixed on the stretching mechanism, one end of the flexible display screen is connected with the winding member, and it bypasses the first roller and protrudes from the opening. ⁇ Said shell.
  • the winding member is a coil spring.
  • the winding mechanism further includes a driving member that drives the winding member to pull the flexible display screen out or retract the first housing.
  • the first winding mechanism further includes a second roller, the second roller and the first roller are arranged on both sides of the winding member, and the second roller is connected to the The distance of the opening is greater than the distance between the first roller and the opening, the axes of the first roller and the second roller are parallel, and one end of the flexible display screen is connected with the winding member, and it passes around the opening in turn.
  • the second roller and the first roller extend out of the housing from the opening.
  • the diameter of the first roller is equal to or greater than the diameter of the second roller.
  • the first winding mechanism further includes a third roller, the third roller is arranged between the first roller and the winding member, the third roller and the The axis of the first roller is parallel, and one end of the flexible display screen is connected with the winding member, and it sequentially bypasses the third roller, the second roller and the first roller from the opening. ⁇ Said shell.
  • the diameter of the third roller is smaller than or equal to the diameter of the second roller.
  • the first stretching mechanism is a drawer
  • a first sliding block is provided on the drawer
  • a corresponding first sliding rail is provided on the first housing
  • the first The sliding block slides along the first sliding rail
  • the first slider is a slider or a pulley.
  • the first sliding rail is provided on the bottom surface of the first housing.
  • the first sliding rail is arranged on a side surface of the first housing.
  • a pull rod is also provided on the drawer.
  • the flexible display device further includes a limit plate, and the limit plate is disposed on the bottom surface of the housing.
  • the flexible display device further includes a support layer, and the flexible display screen is disposed on the support layer.
  • the thickness of the support layer is 30 microns.
  • the material of the support layer is stainless steel.
  • the flexible display device further includes an adhesive layer disposed between the support layer and the flexible display screen, and the flexible display screen passes through the adhesive layer.
  • the layer is fixed on the support layer.
  • the adhesive layer material is optical glue.
  • the present application provides a flexible display device, including a housing, at least one winding mechanism, a flexible display screen, and at least one stretching mechanism.
  • the housing forms a storage cavity, and at least one of the two opposite sides of the storage cavity An opening is formed on one side; at least one winding mechanism is arranged in the receiving cavity; the flexible display screen is arranged outside the housing, and one end of the flexible display screen extends from the opening to interact with the winding mechanism Connection; at least one stretching mechanism is provided in the receiving cavity, and each stretching mechanism is connected to one of the winding mechanism; wherein, when the flexible display screen is in the first state, the stretching mechanism pulls The winding mechanism moves in a direction away from the housing to pull the flexible display screen out of the winding mechanism; when the flexible display screen is in the second state, the stretching mechanism pulls the winding mechanism The winding mechanism moves in a direction toward the casing to retract the flexible display screen into the winding mechanism.
  • FIG. 1 is a schematic diagram of the first structure of a flexible display device provided by an embodiment of this application;
  • FIG. 2 is a schematic diagram of a second structure of a flexible display device provided by an embodiment of the application.
  • FIG. 3 is a schematic diagram of a third structure of a flexible display device provided by an embodiment of the application.
  • FIG. 4 is a schematic diagram of a fourth structure of a flexible display device provided by an embodiment of the application.
  • FIG. 5 is a schematic diagram of a fifth structure of a flexible display device provided by an embodiment of the application.
  • FIG. 6 is a first exploded schematic diagram of a fifth structure of a flexible display device provided by an embodiment of this application.
  • FIG. 7 is a schematic diagram of the connection of the housing in the fifth structure of the flexible display device provided by the embodiment of the application.
  • FIG. 8 is a schematic diagram of the first connection between the stretching mechanism and the housing in the fifth structure of the flexible display device provided by the embodiments of the application;
  • FIG. 9 is a schematic diagram of the second connection between the stretching mechanism and the housing in the fifth structure of the flexible display device provided by the embodiment of the application;
  • FIG. 10 is a second exploded schematic diagram of the fifth structure of the flexible display device provided by an embodiment of the application.
  • FIG. 11 is a schematic diagram of the first state of the fifth structure of the flexible display device provided by the embodiments of the application.
  • FIG. 12 is a schematic diagram of the flexible display screen in the first state of the fifth structure of the flexible display device according to the embodiments of the application;
  • FIG. 13 is a schematic diagram of the second state of the fifth structure of the flexible display device according to an embodiment of the application.
  • FIG. 14 is a schematic diagram of the flexible display screen in the second state of the fifth structure of the flexible display device according to an embodiment of the application;
  • FIG. 15 is a schematic diagram of a sixth structure of a flexible display device provided by an embodiment of the application.
  • the present application provides a flexible display device to alleviate the technical problem that the flexible display screen is too large after being rolled in the existing flexible display device.
  • FIG. 1 it is a schematic diagram of the first structure of a flexible display device provided by an embodiment of this application.
  • the flexible display device includes a housing 10, a winding mechanism, a flexible display screen 30, and a stretching mechanism.
  • a storage cavity 100 is formed inside the housing 10, and an opening is formed on at least one of two opposite sides of the storage cavity 100.
  • At least one winding mechanism is arranged in the receiving cavity 100.
  • the flexible display screen 30 is arranged outside the casing 10, and one end of the flexible display screen 30 extends from the opening and is connected to the winding mechanism.
  • the first winding mechanism 21 draws the flexible display screen 30 into or out of the housing 10 by folding and unwinding.
  • At least one stretching mechanism is also provided in the storage cavity 100, and each stretching mechanism is connected to a winding mechanism, that is, the number of stretching mechanisms is equal to the number of winding mechanisms, and each stretching mechanism is connected to a winding mechanism.
  • the stretching mechanism pulls the winding mechanism and moves in a direction away from the connecting member 13 to pull the flexible display screen 30 out of the winding mechanism; when the flexible display screen 30 is in the second state, The stretching mechanism pulls the winding mechanism and moves in the direction toward the connecting member 13 to retract the flexible display screen 30 into the winding mechanism.
  • the number of openings on the housing 10 can be one or two, and the number of winding mechanisms and stretching mechanisms is equal to the number of openings.
  • the flexible display screen 30 has different storage methods.
  • the number of openings is one.
  • the housing 10 is usually a hollow cuboid structure with a containing cavity 100 formed inside.
  • a first opening 101 is formed on the left side of the containing cavity 100, and the size of the first opening 101 is smaller than or equal to the size of the side of the place. .
  • no side surface is provided on the left side of the housing 10, and the first opening 101 is directly formed there.
  • a side surface is first provided on the left side of the housing 10, and then a hole is dug on the side surface to form the first opening 101.
  • the shape and size of the first opening 101 can be designed as required.
  • a first winding mechanism 21 and a first stretching mechanism 41 are arranged in the receiving cavity 100.
  • the first winding mechanism 21 includes a first winding member 210 and a first roller 211 that have parallel axes and are not in contact with each other.
  • the first roller 211 is disposed between the first winding member 210 and the first opening 101.
  • the winding member 210 The first roller 211 is fixed to the first stretching mechanism 41, the first end 31 of the flexible display screen 30 is connected to the first winding member 210, and it bypasses the first roller 211 and extends out of the housing 10 from the first opening 101.
  • the second end 32 of the flexible display screen 30 may be fixed on the right side of the housing 10, or a gap is formed on the right side of the housing 10, and the second end 32 extends into the inside of the housing 10 from the gap. fixed.
  • the first winding member 210 is used to pull the flexible display screen 30 into or out of the housing 10, and the first winding member 210 may be automatically contracted or contracted under the action of an external force.
  • the first winding member 210 is a coil spring, and the coil spring can continuously provide a large restoring force in a small space. When the flexible display screen 30 needs to be stored, it is automatically pulled into the housing 10 .
  • the flexible display device further includes a driving member (not shown in the figure).
  • the driving member drives the first winding member 210 to pull out or retract the flexible display screen 30 from the housing 10.
  • the driving member may be a motor, etc. The structure that provides the driving force.
  • the flexible display screen 30 goes around the first roller 211 from the first winding member 210 until it extends out of the housing 10. There is a certain distance, so the flexible display 30 is only partially wound on the first winding member 210 and the first roller 211 in the housing 10, and the rest is still in a flat state.
  • This winding method makes the flexible display The degree of curling of 30 is small, and the force on flexible display screen 30 is also small when retracted and extended, and it is not easily damaged.
  • the first stretching mechanism 41 can move in the direction away from the housing 10 and toward the housing 10. Since the first stretching mechanism 41 and the first winding mechanism 21 are connected to each other, the two are used in conjunction.
  • the first stretching mechanism 41 pulls the first winding mechanism 21 and moves in a direction away from the housing 10 to pull the flexible display screen 30 out of the first winding mechanism 21;
  • the flexible display screen is in the second state, The first stretching mechanism 41 pulls the first winding mechanism 21 and moves in a direction toward the housing 10 to retract the flexible display screen 30 into the first winding mechanism 21.
  • the second end 32 of the flexible display screen 30 is always fixed on the other side of the housing 10, and the first end 31 of the flexible display screen 30 is driven by the first stretching mechanism 41, It is drawn and retracted from the first winding mechanism 21 to control the size of the display surface of the flexible display 30 outside the housing 10.
  • the flexible display device further includes a supporting layer (not shown in the figure), and the flexible display screen 30 is disposed on the supporting layer.
  • the area of the flexible display screen 30 may be equal to or smaller than the area of the support layer.
  • the support layer is usually a rectangular structure, which has good bending and curling properties, and has a small stretch under a certain tensile force. It is usually stainless steel or an amorphous material. In one embodiment, the thickness of the support layer is 30 microns.
  • the flexible display device further includes an adhesive layer (not shown in the figure), the adhesive layer is disposed between the support layer and the flexible display screen 30, and the flexible display screen 30 is fixed on the support layer through the adhesive layer.
  • the material of the adhesive layer can be optical glue, and the flexible display 30 and the support layer are bonded after curing, but the present application is not limited to this. Other materials that can fix the flexible display 30 on the support layer can form an adhesive Floor.
  • the flexible display device further includes a limiting plate 50, and the limiting plate 50 is arranged on the bottom surface of the housing 10, and may also be arranged on the side surface of the housing 10.
  • a limit plate 50 is provided in the housing 10 to ensure that the first stretching mechanism 41 is blocked after sliding to a proper position
  • the first end 31 of the flexible display screen 30 cannot collide with the right side of the housing 10 and cause damage.
  • the flexible display screen 30 is wound in the housing 10 when it is not in use, and pulled out of the housing 10 when the flexible display screen 30 is in use, so that the flexible display can be flexibly controlled
  • the display area of the screen 30 and the volume of the entire flexible display device after storage are smaller, and the housing 10 can also protect the internal flexible display screen 30 from damage.
  • FIG. 2 it is a schematic diagram of the second structure of the flexible display device provided by the embodiment of this application.
  • the flexible display device includes a housing 10, a winding mechanism, a flexible display screen 30, and a stretching mechanism.
  • the first winding mechanism 21 further includes a second roller 212, and the second roller 212 and the first roller 211 are arranged on both sides of the first winding member 210
  • the distance between the second roller 212 and the first opening 101 is greater than the distance between the first roller 211 and the first opening 101, the axes of the first roller 211 and the second roller 212 are parallel, and the first end 31 of the flexible display screen 30 is fixed at the In a winding member 210, it first goes around the second roller 212, then goes around the first roller 211, and finally protrudes from the first opening 101.
  • the diameter of the first roller 211 is equal to or greater than the diameter of the second roller 212, so that the flexible display screen 30 will not come into contact with the first winding member 210 on the path from the second roller 212 to the first roller 211, thereby avoiding flexibility The display screen 30 is damaged.
  • FIG. 3 it is a schematic diagram of the third structure of the flexible display device provided by the embodiment of this application.
  • the flexible display device includes a housing 10, a winding mechanism, a flexible display screen 30, and a stretching mechanism.
  • the first winding mechanism 21 further includes a third roller 213, which is disposed between the first roller 211 and the first winding member 210, The axis of the third roller 213 and the first roller 211 are parallel.
  • the first end 31 of the flexible display screen 30 is fixed in the first winding member 210, and then the third roller 213 is first passed, and then the second roller 212 is passed. It bypasses the first roller 211 and finally protrudes from the first opening 101.
  • the axes of the first roller 211, the second roller 212, and the third roller 213 are on the same horizontal plane, the diameter of the third roller 213 is less than or equal to the diameter of the second roller 212, and the diameter of the second roller 212 is greater than The diameter of the first roller 211, so that the flexible display screen 30 is wound from the third roller 213 to the second roller 212, and then wound to the first roller 211, so that it will not contact the first winding member 210 to avoid flexible display The screen 30 is damaged.
  • FIG. 4 it is a schematic diagram of the fourth structure of the flexible display device provided by the embodiment of this application.
  • the flexible display device includes a housing 10, a winding mechanism, a flexible display screen 30, and a stretching mechanism.
  • two openings are formed on the housing 10.
  • a first opening 101 is formed on the left side of the storage cavity 100
  • a second opening 102 is formed on the opposite right side.
  • a first winding mechanism 21 and a first stretching mechanism 41 are arranged on the left side
  • a second winding mechanism 22 and a second stretching mechanism 42 are arranged on the right side.
  • the first stretching mechanism 41 is connected to the first winding mechanism 21, and the second stretching mechanism 42 is connected to the second winding mechanism 22.
  • the first end 31 of the flexible display screen 30 extends from the first opening 101 and is connected to the first winding mechanism 21, and the second end 32 of the flexible display screen 30 extends from the second opening 102 and is connected to the second winding mechanism 22. connection. Both the first stretching mechanism 41 and the second stretching mechanism 42 can move in a direction away from and toward the housing 10.
  • the first stretching mechanism 41 pulls the first winding mechanism 21 and moves in a direction away from the housing 10, that is, moves on the left in FIG. 2 to pull the flexible display screen 30 out of the first state.
  • a winding mechanism 21 pulls the second stretching mechanism 42 and moves in a direction away from the housing 10, that is, moves on the right in FIG. 2 to pull the flexible display screen 30 out of the second winding.
  • the first stretching mechanism 41 pulls the first winding mechanism 21 and moves in the direction toward the housing 10, that is, moves to the right in FIG. 2 to retract the flexible display screen 30 into the first retractable
  • the first end 31 of the flexible display screen 30 is pulled out and retracted from the first winding mechanism 21 under the drive of the first stretching mechanism 41, and the second end 32 of the flexible display screen 30 is at the second stretching mechanism 42. Driven by, it is pulled out and retracted from the second winding mechanism 22 to control the size of the display surface of the flexible display 30 outside the housing 10.
  • the flexible display device further includes a limiting plate 50, and the limiting plate 50 is arranged on the bottom surface of the housing 10, and may also be arranged on the side surface of the housing 10.
  • the limiting plate 50 is located between the first stretching mechanism 41 and the second stretching mechanism 42.
  • a limit plate 50 is provided between the first stretching mechanism 41 and the second stretching mechanism 42 .
  • the flexible display screen 30 is wound in the housing 10 when it is not in use, and pulled out of the housing 10 when the flexible display screen 30 is in use, so that the flexible display can be flexibly controlled
  • the display area of the screen 30 and the volume of the entire flexible display device after storage are smaller, and the housing 10 can also protect the internal flexible display screen 30 from damage.
  • the first winding mechanism 21 includes a first winding member 210, a first roller 211, a second roller 212, and a third roller 213, and the second winding mechanism 22 includes a second winding member 220, Four rollers 221, fifth roller 222, and sixth roller 223.
  • the second winding member 220 corresponds to the first winding member 210
  • the fourth roller 221 corresponds to the first roller 211
  • the fifth roller 222 corresponds to the second roller 212
  • the sixth roller 223 corresponds to the third roller 213.
  • each winding mechanism can be provided with only one roller, or two rollers and three rollers. Or more rollers, the number of rollers can be designed according to the size of the accommodating cavity 100 in the housing 10, and the setting method of the rollers and the winding method of the flexible display screen 30 are similar to those in FIGS. 1 to 3.
  • the structures in the first winding mechanism 21 and the second winding mechanism 22 may be the same or different, but the principle of pulling out and pulling in the flexible display screen 30 in the flexible display device is the same.
  • first winding mechanism 21 and the second winding mechanism 22 are completely the same, and are symmetrical about the center of the housing, that is, the shape, size, and size of the first winding mechanism 21 and the second winding mechanism 22
  • the structure is exactly the same.
  • the specific description of the first winding mechanism 21 and the first stretching mechanism 41 in this application is also applicable to the structure and working principle of the second winding mechanism 22 and the second stretching mechanism 42.
  • FIG. 5 it is a schematic diagram of the fifth structure of the flexible display device provided by the embodiment of this application.
  • the flexible display device includes a housing 10, a winding mechanism, a flexible display screen 30, and a stretching mechanism.
  • the housing 10 includes a first housing 11, a second housing 12, and a connecting member 13 connecting the first housing 11 and the second housing 12.
  • a first housing cavity 110 is formed inside a housing 11
  • a second housing cavity 120 is formed inside the second housing 12
  • a first opening 101 is formed on the side of the first housing cavity 110 away from the connecting member 13
  • a second housing cavity 120 A second opening 102 is formed on the side away from the connecting member 13.
  • the first housing 11 and the second housing 12 can rotate around the connecting member 13.
  • the first housing 11, the second housing 12 and the connecting member 13 are hinged together.
  • a first connecting hole 103 is formed on the first housing 11, a second connecting hole 104 is formed on the second housing 12, and a third connecting hole 105 and a fourth connecting hole 106 are formed on the connecting member 13, wherein When a shell 11 is connected to the connecting member 13, the first connecting hole 103 and the third connecting hole 105 overlap; when the second shell 12 is connected to the connecting member 13, the second connecting hole 104 and the third connecting hole 105 overlap.
  • the first housing 11 overlaps with a partial area of the connecting member 13, and the second housing 12 overlaps with a partial area of the connecting member 13.
  • a first winding mechanism 21 and a first stretching mechanism 41 are provided in the first storage cavity 110, and a second winding mechanism 22 and a second stretching mechanism are provided in the second storage cavity 120 42.
  • the first stretching mechanism 41 is connected to the first winding mechanism 21, and the second stretching mechanism 42 is connected to the second winding mechanism 22.
  • the flexible display screen 30 is arranged outside the housing.
  • the first end 31 of the flexible display screen 30 extends from the first opening 101 and is connected to the first winding mechanism 21.
  • the second end 32 of the flexible display screen 30 extends from the second opening 102. Stretch in and connect with the second winding mechanism 22. Both the first stretching mechanism 41 and the second stretching mechanism 42 can move in a direction away from and toward the housing 10.
  • the first housing 11 and the second housing 12 are flattened around the connecting member 13, and the first stretching mechanism 41 pulls the first winding mechanism 21 along the direction away from the housing 10.
  • Directional movement that is, the leftward movement in FIG. 2, pulls the flexible display screen 30 out of the first winding mechanism 21, and at the same time, the second stretching mechanism 42 pulls the second winding mechanism 22 to move in a direction away from the housing 10. That is, the right side in FIG. 2 moves to pull the flexible display screen 30 out of the second winding mechanism 22.
  • the first stretching mechanism 41 pulls the first winding mechanism 21 and moves in the direction toward the housing 10, that is, moves to the right in FIG. 2 to retract the flexible display screen 30 into the first
  • the second stretching mechanism 42 pulls the second winding mechanism 22 to move in the direction toward the housing 10, that is, to move to the left in FIG. 2 to retract the flexible display screen 30 into the second winding mechanism 22.
  • the first housing 11 and the second housing 12 are folded in half around the connecting member 13.
  • the first winding mechanism 21 includes a first winding member 210, a first roller 211, a second roller 212, and a third roller 213, and the second winding mechanism 22 includes a second winding member 220, Four rollers 221, a fifth roller 222, and a sixth roller 223.
  • the second winding member 220 corresponds to the first winding member 210
  • the fourth roller 221 corresponds to the first roller 211
  • the fifth roller 222 corresponds to the second roller 212
  • the sixth roller 223 corresponds to the third roller 213.
  • each winding mechanism can be provided with only one roller, or two rollers and three rollers. Or more rollers, the number of rollers can be designed according to the size of the accommodating cavity 100 in the housing 10, and the setting method of the rollers and the winding method of the flexible display screen 30 are similar to those in FIGS. 1 to 3.
  • the structures in the first winding mechanism 21 and the second winding mechanism 22 may be the same or different, but the principle of pulling out and pulling in the flexible display screen 30 in the flexible display device is the same.
  • first winding mechanism 21 and the second winding mechanism 22 are completely the same, and are symmetrical about the center of the housing, that is, the shape, size, and size of the first winding mechanism 21 and the second winding mechanism 22
  • the structure is exactly the same.
  • the specific description of the first winding mechanism 21 and the first stretching mechanism 41 in this application is also applicable to the structure and working principle of the second winding mechanism 22 and the second stretching mechanism 42.
  • the flexible display device further includes a limiting plate 50, and the limiting plate 50 is arranged on the bottom surface of the housing 10, and may also be arranged on the side surface of the housing 10.
  • the limiting plate 50 is located between the first stretching mechanism 41 and the second stretching mechanism 42.
  • a limit plate 50 is provided between the first stretching mechanism 41 and the second stretching mechanism 42 .
  • FIG. 6 the first exploded schematic diagram of the fifth structure of the flexible display device provided by the embodiment of this application.
  • the structure of each part of the flexible display device will be described in detail below in conjunction with FIGS. 5 to 15.
  • the first housing 11 is usually a hollow cubic structure with a first containing cavity 110 formed therein, and includes a first top surface 111 and a first bottom surface 112, and a first side surface 113 connected to the first top surface 111 and the first bottom surface 112 And second side 114.
  • a first opening 101 is formed on the side of the first housing 11 away from the connecting member 13, and the size of the first opening 101 is smaller than or equal to the size of the side surface there.
  • the side surface of the first housing 11 close to the connecting member 13 may or may not be provided.
  • no side surface is provided on the side of the first housing 11 away from the connecting member 13, and the first opening 101 is directly formed there.
  • a side surface is first provided on the side of the first housing 11 away from the connecting member 13, and then a hole is dug on the side surface to form the first opening 101.
  • the shape and size of the first opening 101 can be determined according to Need to design.
  • the first bottom surface 112 may not be provided, that is, the first housing 11 only includes the first top surface 111, the first side surface 113 and the second side surface 114.
  • a first connecting hole 103 is provided on the first side surface 113 of the first housing 11 and penetrates to the second side surface 114.
  • the second housing 12 is generally a hollow cuboid structure with a second receiving cavity 120 formed therein, and includes a second top surface 121 and a second bottom surface 122, and a third side surface 123 connected to the second top surface 121 and the second bottom surface 122 And the fourth side 124.
  • a second opening 102 is formed on the side of the second housing 12 away from the connecting member 13, and the size of the second opening 102 is smaller than or equal to the size of the side surface there.
  • the side surface of the second housing 12 close to the connecting member 13 may or may not be provided.
  • no side surface is provided on the side of the second housing 12 away from the connecting member 13, and the second opening 102 is directly formed there.
  • a side surface is first provided on the side of the second housing 12 away from the connecting member 13, and then a hole is dug on the side surface to form the second opening 102.
  • the shape and size of the second opening 102 can be determined according to Need to design.
  • the second bottom surface 122 may not be provided, that is, the second housing 12 only includes the second top surface 121, the third side surface 123 and the fourth side surface 124.
  • a second connecting hole 104 is also provided on the third side surface 123 of the second housing 12 and penetrates to the fourth side surface 124.
  • the connecting member 13 is used to connect the first shell 11 and the second shell 12, and the first shell 11 and the second shell 12 can rotate around the connecting member 13 in a flattened or folded state.
  • the connecting member 13 has a U-shaped structure and includes a connecting bottom surface 132, a first connecting side surface 133 and a second connecting side surface 134.
  • the first connecting side surface 133 is provided with a third connecting hole 105 and a fourth connecting hole 106, which penetrate to the second connecting side surface 134.
  • the connecting member 13 connects the first housing 11 and the second housing 12 together, and the specific connecting structure is shown in FIG. 7.
  • the first connecting hole 103 of the first housing 11 is aligned with the third connecting hole 105 of the connecting member 13, and the second connecting hole 104 of the second housing 12 is aligned with the fourth connecting member 13
  • the connecting holes 106 are aligned.
  • the aligned holes can be fixed by a hinged member (not shown).
  • the hinged member can be a bolt or the like.
  • the first housing 11 and the second housing 12 are flattened around the connecting member 13, and the first top surface of the first housing 11 is flattened.
  • 111 and the second top surface 121 of the second housing 112 are on the same horizontal plane.
  • the first housing 11 and the second housing 12 surround the connecting member 13 Fold in half, that is, the first housing 11 rotates 90 degrees clockwise around the connecting member 13, and the second housing 12 rotates 90 degrees counterclockwise around the connecting member 13 until the first top surface 111 of the first housing 11 and the second housing
  • the second top surface 121 of 12 is parallel.
  • the structure of the connecting member 13 is not limited to this, and other structures that can connect the first shell 11 and the second shell 12, and ensure that the first shell 11 and the second shell 12 can be rotated, flattened, and folded in half. It can be used as the connecting member 13 of the present application.
  • the flexible display device includes a first stretching mechanism 41 and a second stretching mechanism 42.
  • the first stretching mechanism 41 is a drawer.
  • the drawer is placed in the first accommodating cavity 110 and can be pushed in and drawn out in the first housing 11 through the first opening 101.
  • a first slider 401 is provided on the first stretching mechanism 41, and a corresponding first slide rail 402 is provided on the first housing 11, and the first slide 404 slides along the first slide rail 402.
  • the height of the first stretching mechanism 41 is smaller than the height of the first housing 11.
  • the first stretching mechanism 41 is installed in the first sliding rail 402 of the first housing 11 through the first sliding block 401
  • the first sliding block 401 may specifically be a sliding bar or a pulley, or other components that can slide in the first sliding rail 402.
  • the first stretching mechanism 41 can move along the first sliding rail 402 in a direction away from the connecting member 13 and in a direction toward the connecting member 13.
  • the first sliding block 401 is arranged under the third bottom surface 412 of the first stretching mechanism 41, and only one first sliding block 401 may be arranged, or two or more first sliding blocks 401 may be arranged.
  • the first sliding rail 402 is disposed on the first bottom surface 112 of the first housing 11, and the number and position of the first sliding rail 402 correspond to the first sliding block 401.
  • the first slider 401 is disposed on the fifth side 413 or the sixth side 414 of the first stretching mechanism 41, and only one first slider 401 may be provided, or two or more
  • the first sliding block 401 and the first sliding rail 402 are correspondingly arranged on the first side surface 113 or the second side surface 114 of the first housing 11, and the number and position of the first sliding rail 402 correspond to the first sliding block 401.
  • the first slider 401 is provided on the fifth side surface 413 and the sixth side surface 414 of the first stretching mechanism 41, and each side surface may be provided with only one first slider 401, or it may be provided Two or more first sliding blocks 401, the first sliding rails 402 are correspondingly arranged on the first side surface 113 and the second side surface 114 of the first housing 11. The number and position of the first sliding rails 402 are the same as those of the first sliding block 401 corresponds.
  • the first stretching mechanism 41 is further provided with a pull rod (not shown in the figure), and when the first stretching mechanism 41 is pushed or pulled out of the first housing 11, the pull rod can be pushed or pulled Perform the operation.
  • the height of the second stretching mechanism 42 is smaller than the height of the second housing 12.
  • the second stretching mechanism 42 is installed in the second sliding rail 404 of the second housing 12 through the second sliding block 403.
  • the block 403 may specifically be a sliding bar or a pulley, or other components that can slide in the second sliding rail 404.
  • the second stretching mechanism 42 can move along the second sliding rail 404 in a direction away from the connecting member 13 and in a direction toward the connecting member 13.
  • the second sliding block 403 is arranged under the fourth bottom surface 422 of the second stretching mechanism 42, and only one second sliding block 403 may be arranged, or two or more second sliding blocks 403 may be arranged.
  • the second sliding rail 404 is disposed on the second bottom surface 122 of the second housing 12, and the number and position of the second sliding rail 404 correspond to the second sliding block 403.
  • the second slider 403 is arranged on the seventh side 423 or the eighth side 424 of the second stretching mechanism 42. Only one second slider 403 may be provided, or two or more The second sliding block 403 and the second sliding rail 404 are correspondingly disposed on the third side surface 123 or the fourth side surface 124 of the second housing 12, and the number and position of the second sliding rail 404 correspond to the second sliding block 403.
  • a second slider 403 is provided on the seventh side 423 and the eighth side 424 of the second stretching mechanism 42. Each side may be provided with only one second slider 403, or may be provided Two or more second sliding blocks 403, the second sliding rails 404 are correspondingly arranged on the third side surface 123 and the fourth side surface 124 of the second housing 12, and the number and position of the second sliding rails 404 are the same as the second sliding block 403 corresponds.
  • the second stretching mechanism 42 is further provided with a pull rod (not shown in the figure), which can be pushed or pulled when the second stretching mechanism 42 is pushed or pulled out of the second housing 12 Perform the operation.
  • connection diagram between the stretching mechanism and the housing in FIG. 8 is a schematic structural diagram, and the actual connection diagram is shown in FIG. 9.
  • a first sliding block 401 is provided on the first stretching mechanism 41 on the left
  • a first sliding rail 402 is provided in the first housing 11
  • a second sliding block 403 is arranged on the second stretching mechanism 42 on the right.
  • the first stretching mechanism 41 slides to the left along the first slide rail 402, and the first slide 401 gradually slides out of the first slide rail.
  • the second stretching mechanism 42 slides to the right along the second sliding rail 404, the second sliding block 403 gradually slides out of the second sliding rail 404, the first stretching mechanism 41 and the second stretching mechanism 42 drive the flexible display
  • the screen 30 is pulled out to increase the display area of the flexible display screen 30.
  • the first stretching mechanism 41 slides to the right along the first slide rail 402, and the first slider 401 gradually slides into the first slide rail 402
  • the second stretching mechanism 42 slides to the left along the second sliding rail 404, the second sliding block 403 gradually slides into the second sliding rail 404, the first stretching mechanism 41 and the second stretching mechanism 42 drive the flexible display screen 30 retracted.
  • the first winding mechanism 21 is fixed in the first stretching mechanism 41, specifically, the first roller 211, the second roller 212 and the third roller 213 are fixed in the first stretching mechanism 41. Since the first stretching mechanism 41 is a drawer structure, and the first roller 211, the second roller 212, and the third roller 213 are cylindrical structures, the two end faces of each roller can be fixed to the fifth of the first stretching mechanism 41. On the side 413 and the sixth side 414.
  • the second winding mechanism 22 is fixed in the second stretching mechanism 42, specifically, the fourth roller 221, the fifth roller 222 and the sixth roller 223 are fixed in the second stretching mechanism 42. Since the second stretching mechanism 42 is a drawer structure, and the fourth roller 221, the fifth roller 222, and the sixth roller 223 are cylindrical structures, the two end surfaces of each roller can be fixed to the seventh roller of the second stretching mechanism 42. On the side 423 and the eighth side 424.
  • the exploded view of the fifth structure of the flexible display device shown in FIG. 6 is only a schematic diagram of the structure.
  • the exploded view of each part of the flexible display device is shown in FIG. 10.
  • the first housing 11 includes a first fixing member 130.
  • a fixing member 130 may be provided on the side surface of the first housing 11 or directly formed by the side surface, that is, the first fixing member 130 itself constitutes the side surface of the first housing 11.
  • the first fixing member 130 is formed with a first fixing hole 107 and a second fixing hole 108, wherein the first fixing hole 107 corresponds to the first connecting hole 103 in FIG. 6, and the first fixing hole 107 corresponds to the first fixing hole 107 on the connecting member 13.
  • the three connecting holes 105 are aligned and hinged together so that the first housing 11 can rotate around the connecting member 13.
  • the second fixing hole 108 can be used to connect the first sliding rail 402, and the first sliding block 401 on the first stretching mechanism 41 can slide back and forth along the first sliding rail 402.
  • the right side of FIG. 10 shows the internal structure of the second slide rail 404 provided on the side of the second housing 12.
  • the second slide rail 404 can be fixed by a second fixing member (not shown), wherein the second fixing member and the first The structure and principle of the fixing member 130 are the same.
  • the fixing hole on the second fixing member and the fourth connecting hole 106 on the connecting member are aligned and hinged together, so that the second housing 12 can rotate around the connecting member 13.
  • the second sliding block 403 on the second stretching mechanism 42 slides back and forth along the second sliding rail 404.
  • a limit block 150 is also provided on the second slide rail 404. When the second slider 403 passes the position of the limit block 150 when sliding, the limit block 150 can provide a resistance to stop the second stretching mechanism 42 from sliding at this position. .
  • the number and spacing of the limit blocks 150 can be set as required.
  • FIG. 11 it is a schematic diagram of the first state of the fifth structure of the flexible display device provided by the embodiment of this application.
  • the first housing 11 and the second housing 12 are flattened around the connecting member 13, and the first housing 11 is flattened.
  • the top surface 111 and the second top surface 121 of the second casing 112 are on the same horizontal plane, and the flexible display screen 30 is laid flat on the first top surface 111 of the first casing 11 and the second top surface 121 of the second casing 112 ,
  • the first stretching mechanism 41 slides in the direction away from the connecting member 13, and drives the first winding mechanism 21 fixed on it to also slide in the direction away from the connecting member 13.
  • the first winding member 210 will The flexible display screen 30 wound therein is gradually released outward, and the distance that the first stretching mechanism 41 slides in a direction away from the connecting member 13 is the length by which the first end 31 of the flexible display screen 30 is pulled out.
  • the second stretching mechanism 42 also slides in the direction away from the connecting member 13, driving the second winding mechanism 22 fixed on it to also slide in the direction away from the connecting member 13.
  • the second winding member 220 The flexible display screen 30 wound therein is gradually released outward, and the distance that the second stretching mechanism 42 slides in the direction away from the connecting member 13 is the length by which the second end 32 of the flexible display screen 30 is pulled out.
  • FIG. 12 it is a schematic diagram of the flexible display screen in the first state of the fifth structure of the flexible display device provided by the embodiment of this application.
  • the final display area length of the flexible display screen 30 is approximately equal to The length of the first top surface 111 of the first housing 11, the length of the second top surface 121 of the second housing 12, the sliding distance of the first stretching mechanism 41 in the direction away from the connecting member 13, and the second stretching mechanism 42 is the sum of the sliding distances in the direction away from the connecting member 13.
  • the flexible display screen 30 presents a larger display area.
  • FIG. 13 it is a schematic diagram of the second state of the fifth structure of the flexible display device provided by the embodiment of this application.
  • the first stretching mechanism 41 slides in the direction toward the connecting member 13 to drive the fixed on it
  • the first winding mechanism 21 also slides in the direction toward the connecting member 13.
  • the first winding member 210 gradually winds the surplus flexible display screen 30 inward, and the first stretching mechanism 41 moves along the direction toward the connecting member 13.
  • the sliding distance in the direction of the flexible display screen 30 is the length that the first end 31 of the flexible display screen 30 is rolled.
  • the top surface 111 is also provided with a flexible display screen 30, and the rest of the flexible display screen 30 is wound into the first winding mechanism 21 and hidden in the first stretching mechanism 41.
  • the second stretching mechanism 42 also slides in the direction toward the connecting member 13, driving the second winding mechanism 22 fixed on it to also slide in the direction toward the connecting member 13.
  • the second winding member 220 The surplus flexible display screen 30 is gradually wound inward, and the distance that the second stretching mechanism 42 slides in the direction toward the connecting member 13 is the length of the second end 32 of the flexible display screen 30 being wound.
  • the first housing 11 and the second housing 12 are folded in half around the connecting member 13, that is, the first housing 11 rotates 90 degrees clockwise around the connecting member 13, and the second housing 12 rotates 90 degrees counterclockwise around the connecting member 13.
  • the flexible display screen 30 laid on the first top surface 111 of the first casing 11 and the second top surface 121 of the second casing 12 follows the rotation of the first casing 11 and the second casing 12 Fold in half and be received inwardly into the gap enclosed by the first top surface 111 of the first housing 11 and the second top surface 121 of the second housing 12.
  • FIG. 14 it is a schematic diagram of the flexible display screen in the second state of the fifth structure of the flexible display device provided by the embodiment of the application. It can be seen from FIG. 13 that after the first stretching mechanism 41 and the second stretching mechanism 42 are retracted, and the first housing 11 and the second housing 12 are folded in half, the display area of the flexible display screen 30 can be folded inward for storage In this way, not only the volume of the entire flexible display device can be made smaller and more portable, but the first housing 11 and the second housing 12 can better protect the internal flexible display 30 and make it less susceptible to damage.
  • the flexible display device further includes an elastic member 160, which penetrates the first housing 11 and the second housing 12.
  • the elastic member 160 As shown in a in FIG. 15, when the first housing 11 and the second housing 12 are flattened, the elastic member 160 is parallel to the top surfaces of the first housing 11 and the second housing 12. As shown in b in FIG. 15, when the first housing 11 and the second housing 12 are folded in half, the elastic member 160 is also folded in half.
  • the elastic member 160 It has an arc-shaped structure, which provides a locking force, which can maintain the first shell 11 and the second shell 12 in a folded state, and will not separate from each other when not subjected to external force, and external impurities will not enter.
  • the flexible display screen 30 is protected from damage.
  • a certain external force needs to be applied to separate the first shell 11 and the second shell 12, and then the elastic member 160 will also recover from the bent state. To the flat state.
  • the flexible display device further includes a supporting layer (not shown in the figure), and the flexible display screen 30 is disposed on the supporting layer.
  • the area of the flexible display screen 40 can be equal to or smaller than the area of the support layer.
  • the support layer is usually a rectangular structure, which has good bending and curling properties, and has a small stretch under a certain tensile force. It is usually stainless steel or an amorphous material. In one embodiment, the thickness of the support layer is 30 microns.
  • the flexible display device further includes an adhesive layer (not shown in the figure), the adhesive layer is disposed between the support layer and the flexible display screen 30, and the flexible display screen 30 is fixed on the support layer through the adhesive layer.
  • the material of the adhesive layer can be optical glue, and the flexible display 30 and the support layer are bonded after curing, but the present application is not limited to this. Other materials that can fix the flexible display 30 on the support layer can form an adhesive Floor.
  • the flexible display screen 30 is wound in the housing 10 and folded when the flexible display screen 30 is not in use, and is pulled out of the housing 10 when the flexible display screen 30 is in use And flattened, the display area of the flexible display screen 30 can be flexibly controlled, and the volume of the entire flexible display device after storage is smaller, and the housing 10 can also protect the internal flexible display screen 30 from damage.
  • the present application provides a flexible display device, which includes a housing, at least one winding mechanism, a flexible display screen, and at least one stretching mechanism.
  • a storage cavity is formed inside the housing, and at least one of the two opposite sides of the storage cavity is formed with Opening; at least one winding mechanism is arranged in the receiving cavity; the flexible display screen is arranged outside the housing, one end of the flexible display is extended from the opening and connected with the winding mechanism; at least one stretching mechanism is arranged in the receiving cavity, each A stretching mechanism is connected to a winding mechanism; among them, when the flexible display screen is in the first state, the stretching mechanism pulls the winding mechanism and moves in a direction away from the housing to pull the flexible display screen out of the winding mechanism; When the screen is in the second state, the stretching mechanism pulls the winding mechanism and moves in the direction toward the housing to retract the flexible display screen into the winding mechanism.
  • the flexible display screen is wound in the casing when it is not in use, the volume of the entire flexible display device

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Abstract

一种柔性显示装置，包括壳体（10）、至少一个收卷机构、柔性显示屏（30）和至少一个拉伸机构，当柔性显示屏（30）处于第一状态时，拉伸机构拉动收卷机构，将柔性显示屏（30）拉出收卷机构；当柔性显示屏（30）处于第二状态时，拉伸机构拉动收卷机构，将柔性显示屏（30）收进收卷机构。通过将柔性显示屏（30）收卷在壳体（10）中，柔性显示装置体积更小。

Description

柔性显示装置 技术领域
本申请涉及显示技术领域，尤其涉及一种柔性显示装置。
 背景技术
柔性显示装置具有耐弯折性能好的优点，可以通过折叠以及卷曲等方式使其体积变得更小，占用空间较小，因此越来越受市场青睐。
现有的柔性显示装置主要采用内弯折或外弯折的方式收纳柔性显示屏，但两种方式折叠的柔性显示装置体积仍然较大，不能满足便携的需求。
因此，现有的柔性显示装置存在柔性显示屏卷曲后体积过大的技术问题，需要改进。
 技术问题
本申请提供一种柔性显示装置，以缓解现有的柔性显示装置中柔性显示屏卷曲后体积过大的技术问题。
 技术解决方案
为解决上述问题，本申请提供的技术方案如下：
本申请提供一种柔性显示装置，包括：
壳体，所述壳体内部形成收纳腔，所述收纳腔相对的两侧边中的至少一边上形成有开口；
至少一个收卷机构，设置在所述收纳腔内；
柔性显示屏，设置在所述壳体外部，所述柔性显示屏的一端从所述开口伸入，与所述收卷机构连接；
至少一个拉伸机构，设置在所述收纳腔内，每个所述拉伸机构与一个所述收卷机构相连；
其中，所述柔性显示屏处于第一状态时，所述拉伸机构拉动所述收卷机构，沿背离所述壳体的方向移动，将所述柔性显示屏拉出所述收卷机构；所述柔性显示屏处于第二状态时，所述拉伸机构拉动所述收卷机构，沿朝向所述壳体的方向移动，将所述柔性显示屏收进所述收卷机构。
在本申请的柔性显示装置中，所述壳体包括第一壳体、第二壳体、以及连接所述第一壳体和所述第二壳体的连接构件，所述第一壳体内部形成第一收纳腔，所述第二壳体内部形成第二收纳腔，所述第一收纳腔和所述第二收纳腔中的至少一个在远离所述连接构件的侧边上形成有开口，其中，所述柔性显示屏处于第一状态时，所述第一壳体和所述第二壳体围绕所述连接构件展平，所述柔性显示屏处于第二状态时，所述第一壳体和所述第二壳体围绕所述连接构件对折。
在本申请的柔性显示装置中，所述第一收卷机构包括轴线平行且相互不接触的收卷构件和第一滚轮，所述第一滚轮设置在所述收卷构件和所述开口之间，所述收卷构件与所述第一滚轮固定在所述拉伸机构上，所述柔性显示屏的一端与所述收卷构件连接，绕过所述第一滚轮从所述开口伸出所述壳体。
在本申请的柔性显示装置中，所述收卷构件为卷簧。
在本申请的柔性显示装置中，所述收卷机构还包括驱动构件，所述驱动构件驱动所述收卷构件，将所述柔性显示屏拉出或收回所述第一壳体。
在本申请的柔性显示装置中，所述第一收卷机构还包括第二滚轮，所述第二滚轮和所述第一滚轮设置在所述收卷构件的两侧，所述第二滚轮与所述开口的距离大于所述第一滚轮距开口的距离，所述第一滚轮和所述第二滚轮的轴线平行，所述柔性显示屏的一端与所述收卷构件连接，依次绕过所述第二滚轮和所述第一滚轮从所述开口伸出所述壳体。
在本申请的柔性显示装置中，所述第一滚轮的直径等于或大于所述第二滚轮的直径。
在本申请的柔性显示装置中，所述第一收卷机构还包括第三滚轮，所述第三滚轮设置在所述第一滚轮和所述收卷构件之间，所述第三滚轮和所述第一滚轮的轴线平行，所述柔性显示屏的一端与所述收卷构件连接，依次绕过所述第三滚轮、所述第二滚轮和所述第一滚轮从所述开口伸出所述壳体。
在本申请的柔性显示装置中，所述第三滚轮的直径小于或等于所述第二滚轮的直径。
在本申请的柔性显示装置中，所述第一拉伸机构为抽屉，所述抽屉上设置有第一滑块，所述第一壳体上设置有对应的第一滑轨，所述第一滑块沿所述第一滑轨滑动。
在本申请的柔性显示装置中，所述第一滑块为滑条或滑轮。
在本申请的柔性显示装置中，所述第一滑轨设置在所述第一壳体的底面。
在本申请的柔性显示装置中，所述第一滑轨设置在所述第一壳体的侧面。
在本申请的柔性显示装置中，所述抽屉上还设置有拉杆。
在本申请的柔性显示装置中，所述柔性显示装置还包括限位板，所述限位板设置在所述壳体的底面。
在本申请的柔性显示装置中，所述柔性显示装置还包括支撑层，所述柔性显示屏设置在所述支撑层上。
在本申请的柔性显示装置中，所述支撑层的厚度为30微米。
在本申请的柔性显示装置中，所述支撑层的材料为不锈钢。
在本申请的柔性显示装置中，所述柔性显示装置还包括粘合层，所述粘合层设置在所述支撑层与所述柔性显示屏之间，所述柔性显示屏通过所述粘合层固定在所述支撑层上。
在本申请的柔性显示装置中，所述粘合层材料为光学胶。
 有益效果
本申请提供一种柔性显示装置，包括壳体、至少一个收卷机构、柔性显示屏和至少一个拉伸机构，所述壳体内部形成收纳腔，所述收纳腔相对的两侧边中的至少一边上形成有开口；至少一个收卷机构设置在所述收纳腔内；柔性显示屏设置在所述壳体外部，所述柔性显示屏的一端从所述开口伸入，与所述收卷机构连接；至少一个拉伸机构设置在所述收纳腔内，每个所述拉伸机构与一个所述收卷机构相连；其中，所述柔性显示屏处于第一状态时，所述拉伸机构拉动所述收卷机构，沿背离所述壳体的方向移动，将所述柔性显示屏拉出所述收卷机构；所述柔性显示屏处于第二状态时，所述拉伸机构拉动所述收卷机构，沿朝向所述壳体的方向移动，将所述柔性显示屏收进所述收卷机构。通过设置拉伸机构和收卷机构，在柔性显示屏不使用时将其收卷在壳体中，整个柔性显示装置的体积更小，且壳体可以保护内部的柔性显示屏不受损伤。
 附图说明
为了更清楚地说明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单介绍，显而易见地，下面描述中的附图仅仅是发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例提供的柔性显示装置的第一种结构示意图；
图2为本申请实施例提供的柔性显示装置的第二种结构示意图；
图3为本申请实施例提供的柔性显示装置的第三种结构示意图；
图4为本申请实施例提供的柔性显示装置的第四种结构示意图；
图5为本申请实施例提供的柔性显示装置的第五种结构示意图；
图6为本申请实施例提供的柔性显示装置第五种结构的第一种爆炸示意图；
图7为本申请实施例提供的柔性显示装置第五种结构中壳体的连接示意图；
图8为本申请实施例提供的柔性显示装置第五种结构中的拉伸机构和壳体的第一种连接示意图；
图9为本申请实施例提供的柔性显示装置第五种结构中的拉伸机构和壳体的第二种连接示意图；
图10为本申请实施例提供的柔性显示装置第五种结构的第二种爆炸示意图；
图11为本申请实施例提供的柔性显示装置第五种结构的第一种状态示意图；
图12为本申请实施例提供的柔性显示装置第五种结构的第一种状态下柔性显示屏的示意图；
图13为本申请实施例提供的柔性显示装置第五种结构的第二种状态示意图；
图14为本申请实施例提供的柔性显示装置第五种结构的第二种状态下柔性显示屏的示意图；
图15为本申请实施例提供的柔性显示装置第六种结构示意图。
 本发明的实施方式
以下各实施例的说明是参考附加的图示，用以例示本申请可用以实施的特定实施例。本申请所提到的方向用语，例如[上]、[下]、[前]、[后]、[左]、[右]、[内]、[外]、[侧面]等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本申请，而非用以限制本申请。在图中，结构相似的单元是用以相同标号表示。
本申请提供一种柔性显示装置，以缓解现有的柔性显示装置中柔性显示屏卷曲后体积过大的技术问题。
如图1所示，为本申请实施例提供的柔性显示装置的第一种结构示意图。柔性显示装置包括壳体10、收卷机构、柔性显示屏30和拉伸机构。
壳体10内部形成收纳腔100，收纳腔100相对的两侧边中的至少一边上形成有开口。
收纳腔内100内设置有至少一个收卷机构。
柔性显示屏30设置在壳体10外部，柔性显示屏30的一端从开口伸入，与收卷机构连接。
第一收卷机构21通过收起和放出，将柔性显示屏30拉进或伸出壳体10。
收纳腔内100内还设置有至少一个拉伸机构，每个拉伸机构与一个收卷机构相连，即拉伸机构的数量与收卷机构的数量相等，每一个拉伸机构与一个收卷机构配合使用。
其中，柔性显示屏30处于第一状态时，拉伸机构拉动收卷机构，沿背离连接构件13的方向移动，将柔性显示屏30拉出收卷机构；柔性显示屏30处于第二状态时，拉伸机构拉动收卷机构，沿朝向连接构件13的方向移动，将柔性显示屏30收进收卷机构。
壳体10上的开口个数可以是一个，也可以是两个，收卷机构和拉伸机构的数量与开口的数量相等。当开口个数不同时，柔性显示屏30有不同的收纳方法。
在本实施例中，开口的个数为一个。如图1所示，壳体10通常为内部形成容纳腔100的空心立方体结构，收纳腔100左侧边上形成有一个第一开口101，第一开口101的大小小于或等于该处侧面的大小。
在一种实施例中，在壳体10的左侧不设置侧面，该处直接形成第一开口101。
在一种实施例中，先在壳体10的左侧设置一侧面，再在该侧面上挖孔形成第一开口101，此时第一开口101的形状及大小可根据需要设计。
收纳腔内100内设置有一个第一收卷机构21和一个第一拉伸机构41。
第一收卷机构21包括轴线平行且相互不接触的第一收卷构件210和第一滚轮211，第一滚轮211设置在第一收卷构件210和第一开口101之间，收卷构件210与第一滚轮211固定在第一拉伸机构41上，柔性显示屏30的第一端31与第一收卷构件210连接，绕过第一滚轮211从第一开口101伸出壳体10。柔性显示屏30的第二端32可以固定在壳体10的右侧面处，或者壳体10的右侧面处形成有缝隙，第二端32从该缝隙处伸入壳体10的内部并固定。
第一收卷构件210用于将柔性显示屏30拉进或伸出壳体10，第一收卷构件210可以是自动收缩，也可以是在外力的作用下收缩。
在一种实施例中，第一收卷构件210为卷簧，卷簧能够在狭小的空间里持续提供较大的恢复力，在柔性显示屏30需要收纳时，将其自动拉进壳体10。
在一种实施例中，柔性显示装置还包括驱动构件（图未示出），驱动构件驱动第一收卷构件210，将柔性显示屏30拉出或收回壳体10，驱动构件可以是电机等提供驱动力的结构。
通过设置第一滚轮211，柔性显示屏30在从第一收卷构件210绕过第一滚轮211，直至伸出壳体10的过程中，由于第一收卷构件210和第一滚轮211之间有一定的距离，因此柔性显示屏30在壳体10内仅有部分绕在第一收卷构件210和第一滚轮211上，其余部分仍然处于展平状态，这种缠绕的方式使得柔性显示屏30的卷曲程度较小，收回和伸出时柔性显示屏30的受力也较小，不易损坏。
第一拉伸机构41可以沿背离壳体10和朝向壳体10的方向移动，由于第一拉伸机构41和第一收卷机构21相互连接，两者配合使用，当柔性显示屏30处于第一状态时，第一拉伸机构41拉动第一收卷机构21，沿背离壳体10的方向移动，将柔性显示屏30拉出第一收卷机构21；柔性显示屏处于第二状态时，第一拉伸机构41拉动第一收卷机构21，沿朝向壳体10的方向移动，将柔性显示屏30收进第一收卷机构21。
在拉出与收进的过程中，柔性显示屏30的第二端32始终固定在壳体10的另一侧，柔性显示屏30的第一端31在第一拉伸机构41的带动下，从第一收卷机构21中拉出与收进，进而控制柔性显示屏30在壳体10外部的显示面的大小。
在一种实施例中，柔性显示装置还包括支撑层（图未示出），柔性显示屏30设置在支撑层上。柔性显示屏30的面积可以等于支撑层的面积，也可以小于支撑层的面积。在柔性显示屏30在第一状态和第二状态切换时，支撑层可以用来保护柔性显示屏30，防止柔性显示屏30在拉伸过程中受到损伤。
支撑层通常为矩形结构，它的弯折卷曲性能较好，且在一定拉力的作用下拉伸量也很小，通常为不锈钢或非晶材料，在一种实施例中，支撑层的厚度为30微米。
柔性显示装置还包括粘合层（图未示出），粘合层设置在支撑层与柔性显示屏30之间，柔性显示屏30通过粘合层固定在支撑层上。粘合层的材质可以是光学胶，经过固化粘合柔性显示屏30和支撑层，但本申请不以此为限，其他可以将柔性显示屏30固定在支撑层上的材料均可形成粘合层。
在一种实施例中，柔性显示装置还包括限位板50，限位板50设置在壳体10的底面上，也可以设置在壳体10的侧面上。
第一拉伸机构41在朝向壳体10方向滑动时，为避免滑动距离过大，在壳体10内设置限位板50，以保证第一拉伸机构41在滑动至适当的位置后被阻挡住，不能继续滑动，进而保护柔性显示屏30的第一端31不会与壳体10的右侧碰撞在一起造成损伤。
通过设置拉伸机构和收卷机构，在柔性显示屏30不使用时将其收卷在壳体10中，在柔性显示屏30使用时将其从壳体10中拉出，可以灵活控制柔性显示屏30的显示面积，且收纳后整个柔性显示装置的体积更小，壳体10也可以保护内部的柔性显示屏30不受损伤。
如图2所示，为本申请实施例提供的柔性显示装置的第二种结构示意图。柔性显示装置包括壳体10、收卷机构、柔性显示屏30和拉伸机构。
与图1中的结构不同之处在于，在本实施例中，第一收卷机构21还包括第二滚轮212，第二滚轮212和第一滚轮211设置在第一收卷构件210的两侧，第二滚轮212与第一开口101的距离大于第一滚轮211距第一开口101的距离，第一滚轮211和第二滚轮212的轴线平行，柔性显示屏30的第一端31固定在第一收卷构件210中，然后先绕过第二滚轮212，再绕过第一滚轮211，最后从第一开口101中伸出。
第一滚轮211的直径等于或大于第二滚轮212的直径，这样柔性显示屏30在从第二滚轮212缠绕至第一滚轮211的路径上，不会与第一收卷构件210接触，避免柔性显示屏30损坏。
如图3所示，为本申请实施例提供的柔性显示装置的第三种结构示意图。柔性显示装置包括壳体10、收卷机构、柔性显示屏30和拉伸机构。
与图2中的结构不同之处在于，在本实施例中，第一收卷机构21还包括第三滚轮213，第三滚轮213设置在第一滚轮211和第一收卷构件210之间，第三滚轮213和第一滚轮211的轴线平行，柔性显示屏30的第一端31固定在第一收卷构件210中，然后先绕过第三滚轮213，再绕过第二滚轮212，再绕过第一滚轮211，最后从第一开口101中伸出。
在一种实施例中，第一滚轮211、第二滚轮212、第三滚轮213的轴线处于同一水平面，第三滚轮213的直径小于或等于第二滚轮212的直径，第二滚轮212的直径大于第一滚轮211的直径，这样柔性显示屏30在从第三滚轮213缠绕至第二滚轮212，再缠绕至第一滚轮211的路径上，不会与第一收卷构件210接触，避免柔性显示屏30损坏。
如图4所示，为本申请实施例提供的柔性显示装置的第四种结构示意图。柔性显示装置包括壳体10、收卷机构、柔性显示屏30和拉伸机构。
在本实施例中，壳体10上形成有两个开口，如图2所示，收纳腔100左侧边上形成有一个第一开口101，相对的右侧边上形成有一个第二开口102。在收纳腔内100内，左边设置有一个第一收卷机构21和一个第一拉伸机构41，右边设置有一个第二收卷机构22和一个第二拉伸机构42。第一拉伸机构41与第一收卷机构21相连，第二拉伸机构42与第二收卷机构22相连。
柔性显示屏30的第一端31从第一开口101伸入，与第一收卷机构21连接，柔性显示屏30的第二端32从第二开口102伸入，与第二收卷机构22连接。第一拉伸机构41和第二拉伸机构42均可以沿背离壳体10和朝向壳体10的方向移动。
当柔性显示屏30处于第一状态时，第一拉伸机构41拉动第一收卷机构21，沿背离壳体10的方向移动，即图2中的左边移动，将柔性显示屏30拉出第一收卷机构21，同时，第二拉伸机构42拉动第二收卷机构22，沿背离壳体10的方向移动，即图2中的右边移动，将柔性显示屏30拉出第二收卷机构22；
柔性显示屏处于第二状态时，第一拉伸机构41拉动第一收卷机构21，沿朝向壳体10的方向移动，即图2中的右边移动，将柔性显示屏30收进第一收卷机构21，同时，第二拉伸机构42拉动第二收卷机构22，沿朝向壳体10的方向移动，即图2中的左边移动，将柔性显示屏30收进第二收卷机构22。
柔性显示屏30的第一端31在第一拉伸机构41的带动下，从第一收卷机构21中拉出与收进，柔性显示屏30的第二端32在第二拉伸机构42的带动下，从第二收卷机构22中拉出与收进，进而控制柔性显示屏30在壳体10外部的显示面的大小。
在一种实施例中，柔性显示装置还包括限位板50，限位板50设置在壳体10的底面上，也可以设置在壳体10的侧面上。限位板50位于第一拉伸机构41和第二拉伸机构42之间。
为避免第一拉伸机构41和第二拉伸机构42在朝向连接构件13方向滑动时，滑动距离过大，在第一拉伸机构41和第二拉伸机构42之间设置限位板50，以保证第一拉伸机构41和第二拉伸机构42在滑动至适当的位置后被阻挡住，不能继续滑动，进而保护柔性显示屏30的两端不会碰撞在一起造成损伤。
通过设置拉伸机构和收卷机构，在柔性显示屏30不使用时将其收卷在壳体10中，在柔性显示屏30使用时将其从壳体10中拉出，可以灵活控制柔性显示屏30的显示面积，且收纳后整个柔性显示装置的体积更小，壳体10也可以保护内部的柔性显示屏30不受损伤。
在本实施例中，第一收卷机构21包括第一收卷构件210、第一滚轮211、第二滚轮212和第三滚轮213，第二收卷机构22包括第二收卷构件220、第四滚轮221、第五滚轮222和第六滚轮223。其中，第二收卷构件220与第一收卷构件210对应，第四滚轮221与第一滚轮211对应，第五滚轮222与第二滚轮212对应，第六滚轮223与第三滚轮213对应。
需要说明的是，第一收卷机构21和第二收卷机构22中滚轮的个数不限于此，每个收卷机构中可以只设置一个滚轮，也可设置两个滚轮、三个滚轮，或者更多的滚轮，可根据壳体10中容纳腔100的大小设计滚轮的个数，滚轮的设置方式和柔性显示屏30的缠绕方式与图1至图3中类似。
第一收卷机构21和第二收卷机构22中的结构可以相同，也可以不同，但在柔性显示装置中对柔性显示屏30的拉出与收进的原理相同。
在一种实施例中，第一收卷机构21和第二收卷机构22完全相同，且关于壳体的中心对称，即第一收卷机构21和第二收卷机构22的形状、大小、结构完全相同。本申请中对第一收卷机构21、第一拉伸机构41的具体描述，对第二收卷机构22、第二拉伸机构42的结构及工作原理同样适用。
如图5所示，为本申请实施例提供的柔性显示装置的第五种结构示意图。柔性显示装置包括壳体10、收卷机构、柔性显示屏30和拉伸机构。
与图4中的结构不同之处在于，本实施例中，壳体10包括第一壳体11、第二壳体12以及连接第一壳体11和第二壳体12的连接构件13，第一壳体11内部形成第一收纳腔110，第二壳体12内部形成第二收纳腔120，第一收纳腔110远离连接构件13的侧边上形成有第一开口101，第二收纳腔120远离连接构件13的侧边上形成有第二开口102。
第一壳体11、第二壳体12可围绕连接构件13转动，在一种实施例中，第一壳体11、第二壳体12与连接构件13铰接在一起。
第一壳体11上形成有第一连接孔103，第二壳体12上形成有第二连接孔104，连接构件13上形成有第三连接孔105和第四连接孔106，其中，在第一壳体11与连接构件13连接时，第一连接孔103和第三连接孔105重合；在第二壳体12与连接构件13连接时，第二连接孔104和第三连接孔105重合。第一壳体11与连接构件13的部分区域重合，第二壳体12与连接构件13的部分区域重合。
在第一收纳腔内110内设置有一个第一收卷机构21和一个第一拉伸机构41，在第二收纳腔内120内设置有一个第二收卷机构22和一个第二拉伸机构42。第一拉伸机构41与第一收卷机构21相连，第二拉伸机构42与第二收卷机构22相连。
柔性显示屏30设置在壳体外部，柔性显示屏30的第一端31从第一开口101伸入，与第一收卷机构21连接，柔性显示屏30的第二端32从第二开口102伸入，与第二收卷机构22连接。第一拉伸机构41和第二拉伸机构42均可以沿背离壳体10和朝向壳体10的方向移动。
其中，柔性显示屏30处于第一状态时，第一壳体11和第二壳体12围绕连接构件13展平，第一拉伸机构41拉动第一收卷机构21，沿背离壳体10的方向移动，即图2中的左边移动，将柔性显示屏30拉出第一收卷机构21，同时，第二拉伸机构42拉动第二收卷机构22，沿背离壳体10的方向移动，即图2中的右边移动，将柔性显示屏30拉出第二收卷机构22。
柔性显示屏30处于第二状态时，第一拉伸机构41拉动第一收卷机构21，沿朝向壳体10的方向移动，即图2中的右边移动，将柔性显示屏30收进第一收卷机构21，同时，第二拉伸机构42拉动第二收卷机构22，沿朝向壳体10的方向移动，即图2中的左边移动，将柔性显示屏30收进第二收卷机构22，第一壳体11和第二壳体12围绕连接构件13对折。
在本实施例中，第一收卷机构21包括第一收卷构件210、第一滚轮211、第二滚轮212、第三滚轮213，第二收卷机构22包括第二收卷构件220、第四滚轮221、第五滚轮222、第六滚轮223。其中，第二收卷构件220与第一收卷构件210对应，第四滚轮221与第一滚轮211对应，第五滚轮222与第二滚轮212对应，第六滚轮223与第三滚轮213对应。
需要说明的是，第一收卷机构21和第二收卷机构22中滚轮的个数不限于此，每个收卷机构中可以只设置一个滚轮，也可设置两个滚轮、三个滚轮，或者更多的滚轮，可根据壳体10中容纳腔100的大小设计滚轮的个数，滚轮的设置方式和柔性显示屏30的缠绕方式与图1至图3中类似。
第一收卷机构21和第二收卷机构22中的结构可以相同，也可以不同，但在柔性显示装置中对柔性显示屏30的拉出与收进的原理相同。
在一种实施例中，第一收卷机构21和第二收卷机构22完全相同，且关于壳体的中心对称，即第一收卷机构21和第二收卷机构22的形状、大小、结构完全相同。本申请中对第一收卷机构21、第一拉伸机构41的具体描述，对第二收卷机构22、第二拉伸机构42的结构及工作原理同样适用。
在一种实施例中，柔性显示装置还包括限位板50，限位板50设置在壳体10的底面上，也可以设置在壳体10的侧面上。限位板50位于第一拉伸机构41和第二拉伸机构42之间。
为避免第一拉伸机构41和第二拉伸机构42在朝向连接构件13方向滑动时，滑动距离过大，在第一拉伸机构41和第二拉伸机构42之间设置限位板50，以保证第一拉伸机构41和第二拉伸机构42在滑动至适当的位置后被阻挡住，不能继续滑动，进而保护柔性显示屏30的两端不会碰撞在一起造成损伤。
如图6所示，为本申请实施例提供的柔性显示装置第五种结构的第一种爆炸示意图。下面结合图5至图15对柔性显示装置中每一部分的结构进行具体说明。
第一壳体11通常为内部形成第一容纳腔110的空心立方体结构，包括第一顶面111和第一底面112、以及与第一顶面111和第一底面112相连接的第一侧面113和第二侧面114。第一壳体11远离连接构件13的一侧形成有第一开口101，第一开口101的大小小于或等于该处侧面的大小。第一壳体11靠近连接构件13的一侧可以设置侧面，也可以不设置。
在一种实施例中，在第一壳体11远离连接构件13的一侧不设置侧面，该处直接形成第一开口101。
在一种实施例中，先在第一壳体11远离连接构件13的一侧设置一侧面，再在该侧面上挖孔形成第一开口101，此时第一开口101的形状及大小可根据需要设计。
在一种实施例中，可以不设置第一底面112，即第一壳体11仅包括第一顶面111、第一侧面113和第二侧面114。
第一壳体11的第一侧面113上设置有第一连接孔103，并贯穿至第二侧面114。
第二壳体12通常为内部形成第二容纳腔120的空心立方体结构，包括第二顶面121和第二底面122、以及与第二顶面121和第二底面122相连接的第三侧面123和第四侧面124。第二壳体12远离连接构件13的一侧形成有第二开口102，第二开口102的大小小于或等于该处侧面的大小。第二壳体12靠近连接构件13的一侧可以设置侧面，也可以不设置。
在一种实施例中，在第二壳体12远离连接构件13的一侧不设置侧面，该处直接形成第二开口102。
在一种实施例中，先在第二壳体12远离连接构件13的一侧设置一侧面，再在该侧面上挖孔形成第二开口102，此时第二开口102的形状及大小可根据需要设计。
在一种实施例中，可以不设置第二底面122，即第二壳体12仅包括第二顶面121、第三侧面123和第四侧面124。
同样，第二壳体12的第三侧面123上也设置有第二连接孔104，并贯穿至第四侧面124。
连接构件13用于连接第一壳体11和第二壳体12，第一壳体11和第二壳体12可围绕连接构件13旋转，呈展平或对折状态。在本实施例中，连接构件13为U型结构，包括连接底面132、第一连接侧面133和第二连接侧面134。第一连接侧面133上设置有第三连接孔105和第四连接孔106，并贯穿至第二连接侧面134。
连接构件13将第一壳体11和第二壳体12连接在一起，具体连接结构如图7所示。
如图7中的a所示，第一壳体11的第一连接孔103与连接构件13的第三连接孔105对齐，第二壳体12的第二连接孔104与连接构件13的第四连接孔106对齐，对齐后的孔可通过铰接构件（图未示出）固定，铰接构件可以是螺栓等，固定后第一壳体11可围绕连接构件13顺时针旋转，第二壳体12可围绕连接构件13逆时针旋转。此时，第一壳体11和连接构件13有部分重合区域，第二壳体12和连接构件13有部分重合区域。
在柔性显示屏30处于第一状态时，即柔性显示屏30需要显示时，第一壳体11和第二壳体12围绕连接构件13展平，展平时第一壳体11的第一顶面111和第二壳体112的第二顶面121处于同一水平面。
如图7中的b所示，在柔性显示屏30处于第二状态时，即柔性显示屏30不需要显示，而需要收纳起来时，第一壳体11和第二壳体12围绕连接构件13对折，即第一壳体11围绕连接构件13顺时针旋转90度，第二壳体12围绕连接构件13逆时针旋转90度，直至第一壳体11的第一顶面111和第二壳体12的第二顶面121平行。
当然，连接构件13的结构不限如此，其他可以连接第一壳体11和第二壳体12，且保证第一壳体11和第二壳体12可旋转、展平、对折的结构，均可作为本申请的连接构件13。
在图5和图6中，柔性显示装置包括第一拉伸机构41和第二拉伸机构42。在本实施例中，第一拉伸机构41为抽屉，抽屉放置在第一容纳腔110内，并可以在第一壳体11中经由第一开口101推进和拉出。第一拉伸机构41上设置有第一滑块401，第一壳体11上设置有对应的第一滑轨402，第一滑块404沿第一滑轨402滑动。
如图8所示，第一拉伸机构41的高度小于第一壳体11的高度，第一拉伸机构41通过第一滑块401，安装在第一壳体11的第一滑轨402中，第一滑块401具体可以是滑条或者滑轮，或者其他可以在第一滑轨402中滑动的构件。第一拉伸机构41可沿着第一滑轨402沿背离连接构件13的方向移动，以及沿朝向连接构件13的方向移动。
在一种实施例中，第一滑块401设置在第一拉伸机构41的第三底面412下，可以仅设置一个第一滑块401，也可设置两个或多个第一滑块401，第一滑轨402设置在第一壳体11的第一底面112上，第一滑轨402的数量、位置与第一滑块401相对应。
在一种实施例中，第一滑块401设置在第一拉伸机构41的第五侧面413或第六侧面414上，可以仅设置一个第一滑块401，也可设置两个或多个第一滑块401，第一滑轨402对应设置在第一壳体11的第一侧面113或第二侧面114上，第一滑轨402的数量、位置与第一滑块401相对应。
在一种实施例中，在第一拉伸机构41的第五侧面413和第六侧面414上均设置有第一滑块401，每个侧面可以仅设置一个第一滑块401，也可设置两个或多个第一滑块401，第一滑轨402对应设置在第一壳体11的第一侧面113和第二侧面114上，第一滑轨402的数量、位置与第一滑块401相对应。
在一种实施例中，第一拉伸机构41上还设置有拉杆（图未示出），在将第一拉伸机构41推进或拉出第一壳体11时，可推动或拉动该拉杆执行该操作。
同样，第二拉伸机构42的高度小于第二壳体12的高度，第二拉伸机构42通过第二滑块403，安装在第二壳体12的第二滑轨404中，第二滑块403具体可以是滑条或者滑轮，或者其他可以在第二滑轨404中滑动的构件。第二拉伸机构42可沿着第二滑轨404沿背离连接构件13的方向移动，以及沿朝向连接构件13的方向移动。
在一种实施例中，第二滑块403设置在第二拉伸机构42的第四底面422下，可以仅设置一个第二滑块403，也可设置两个或多个第二滑块403，第二滑轨404设置在第二壳体12的第二底面122上，第二滑轨404的数量、位置与第二滑块403相对应。
在一种实施例中，第二滑块403设置在第二拉伸机构42的第七侧面423或第八侧面424上，可以仅设置一个第二滑块403，也可设置两个或多个第二滑块403，第二滑轨404对应设置在第二壳体12的第三侧面123或第四侧面124上，第二滑轨404的数量、位置与第二滑块403相对应。
在一种实施例中，在第二拉伸机构42的第七侧面423和第八侧面424上均设置有第二滑块403，每个侧面可以仅设置一个第二滑块403，也可设置两个或多个第二滑块403，第二滑轨404对应设置在第二壳体12的第三侧面123和第四侧面124上，第二滑轨404的数量、位置与第二滑块403相对应。
在一种实施例中，第二拉伸机构42上还设置有拉杆（图未示出），在将第二拉伸机构42推进或拉出第二壳体12时，可推动或拉动该拉杆执行该操作。
图8中拉伸机构和壳体的连接图为结构示意图，实际连接图如图9所示。左侧的第一拉伸机构41上设置有第一滑块401，第一壳体11中有第一滑轨402，右侧的第二拉伸机构42上设置有第二滑块403，第二壳体12中有第二滑轨404。
如图9中的a所示，当需要把柔性显示屏30拉出时，第一拉伸机构41沿着第一滑轨402朝左侧滑动，第一滑块401逐渐滑出第一滑轨402，第二拉伸机构42沿着第二滑轨404朝右侧滑动，第二滑块403逐渐滑出第二滑轨404，第一拉伸机构41和第二拉伸机构42带动柔性显示屏30拉出，增大柔性显示屏30的显示面积。
如图9中的b所示，当需要把柔性显示屏30收回时，第一拉伸机构41沿着第一滑轨402朝右侧滑动，第一滑块401逐渐滑入第一滑轨402，第二拉伸机构42沿着第二滑轨404朝左侧滑动，第二滑块403逐渐滑入第二滑轨404，第一拉伸机构41和第二拉伸机构42带动柔性显示屏30收回。
如图6所示，第一收卷机构21固定在第一拉伸机构41中，具体地，第一滚轮211、第二滚轮212和第三滚轮213固定在第一拉伸机构41中。由于第一拉伸机构41为抽屉结构，第一滚轮211、第二滚轮212和第三滚轮213为圆柱形结构，可以将各个滚轮的两个端面分别固定在第一拉伸机构41的第五侧面413和第六侧面414上。
第二收卷机构22固定在第二拉伸机构42中，具体地，第四滚轮221、第五滚轮222和第六滚轮223固定在第二拉伸机构42中。由于第二拉伸机构42为抽屉结构，第四滚轮221、第五滚轮222和第六滚轮223为圆柱形结构，可以将各个滚轮的两个端面分别固定在第二拉伸机构42的第七侧面423和第八侧面424上。
图6中所示柔性显示装置第五种结构的爆炸图仅为结构示意图，柔性显示装置实际上各部分组件的爆炸图如图10所示，第一壳体11包括第一固定构件130，第一固定构件130可以设置在第一壳体11的侧面上，也可以直接由侧面形成，即第一固定构件130本身构成第一壳体11的侧面。
第一固定构件130上形成有第一固定孔107和第二固定孔108，其中第一固定孔107与图6中的第一连接孔103对应，第一固定孔107与连接构件13上的第三连接孔105对齐并铰接在一起，使得第一壳体11可围绕连接构件13旋转。第二固定孔108可用于连接第一滑轨402，第一拉伸机构41上的第一滑块401可沿第一滑轨402来回滑动。图10中右侧为第二壳体12侧面设置的第二滑轨404的内部结构，第二滑轨404可通过第二固定构件（图未示出）固定，其中第二固定构件与第一固定构件130的结构和原理相同，第二固定构件上的固定孔与连接构件上的第四连接孔106对齐并铰接在一起，使得第二壳体12可围绕连接构件13旋转。第二拉伸机构42上的第二滑块403沿第二滑轨404来回滑动。第二滑轨404上还设置有限位块150，第二滑块403滑动时经过限位块150所在位置时，限位块150可以提供一阻力，使第二拉伸机构42在该位置停止滑动。限位块150的数量及间距可根据需要设置。
如图11所示，为本申请实施例提供的柔性显示装置第五种结构的第一种状态示意图。
在柔性显示屏30处于第一状态时，即柔性显示屏30需要显示时，首先，第一壳体11和第二壳体12围绕连接构件13展平，展平时第一壳体11的第一顶面111和第二壳体112的第二顶面121处于同一水平面，柔性显示屏30平铺在第一壳体11的第一顶面111和第二壳体112的第二顶面121上，
然后，第一拉伸机构41沿着背离连接构件13的方向滑动，带动固定在它上面的第一收卷机构21也沿着背离连接构件13的方向滑动，此时第一收卷构件210将收卷在其中的柔性显示屏30逐渐向外释放，第一拉伸机构41沿着背离连接构件13的方向滑动的距离即为柔性显示屏30的第一端31被拉出的长度。
同时，第二拉伸机构42也沿着背离连接构件13的方向滑动，带动固定在它上面的第二收卷机构22也沿着背离连接构件13的方向滑动，此时第二收卷构件220将收卷在其中的柔性显示屏30逐渐向外释放，第二拉伸机构42沿着背离连接构件13的方向滑动的距离即为柔性显示屏30的第二端32被拉出的长度。
如图12所示，为本申请实施例提供的柔性显示装置第五种结构的第一种状态下柔性显示屏的示意图。结合图11可知，经过第一壳体11和第二壳体12的展平，以及第一拉伸机构41和第二拉伸机构42的拉伸，柔性显示屏30最终的显示区域长度约等于第一壳体11的第一顶面111的长度、第二壳体12的第二顶面长度121、第一拉伸机构41沿着背离连接构件13的方向滑动的距离以及第二拉伸机构42沿着背离连接构件13的方向滑动的距离之和。柔性显示屏30呈现出更大的显示面积。
通过此种方式，可以在柔性显示屏30需要显示时展现出更大的屏幕，增强显示效果和用户体验。
如图13所示，为本申请实施例提供的柔性显示装置第五种结构的第二种状态示意图。
在柔性显示屏30处于第二状态时，即柔性显示屏30不需要显示，而需要收纳起来时，首先，第一拉伸机构41沿着朝向连接构件13的方向滑动，带动固定在它上面的第一收卷机构21也沿着朝向连接构件13的方向滑动，此时第一收卷构件210将多余的柔性显示屏30逐渐向内收卷，第一拉伸机构41沿着朝向连接构件13的方向滑动的距离即为柔性显示屏30的第一端31被收卷的长度，当第一拉伸机构41完全推入第一壳体11中时，仅在第一壳体11的第一顶面111上还设置有柔性显示屏30，柔性显示屏30的其余部分均收卷至第一收卷机构21中，并隐藏在第一拉伸机构41中。
同时，第二拉伸机构42也沿着朝向连接构件13的方向滑动，带动固定在它上面的第二收卷机构22也沿着朝向连接构件13的方向滑动，此时第二收卷构件220将多余的柔性显示屏30逐渐向内收卷，第二拉伸机构42沿着朝向连接构件13的方向滑动的距离即为柔性显示屏30的第二端32被收卷的长度，当第二拉伸机构42完全推入第二壳体12中时，仅在第二壳体12的第二顶面121上还设置有柔性显示屏30，柔性显示屏30的其余部分均收卷至第二收卷机构22中，并隐藏在第二拉伸机构42中。
然后，第一壳体11和第二壳体12围绕连接构件13对折，即第一壳体11围绕连接构件13顺时针旋转90度，第二壳体12围绕连接构件13逆时针旋转90度，直至第一壳体11的第一顶面111和第二壳体12的第二顶面121平行。此时平铺在第一壳体11的第一顶面111和第二壳体12的第二顶面121上的柔性显示屏30，随着第一壳体11和第二壳体12的旋转对折，向内收纳进第一壳体11的第一顶面111和第二壳体12的第二顶面121围成的缝隙中。
如图14所示，为本申请实施例提供的柔性显示装置第五种结构的第二种状态下柔性显示屏的示意图。结合图13可知，经过第一拉伸机构41和第二拉伸机构42的收回，以及第一壳体11和第二壳体12的对折，可以将柔性显示屏30的显示区向内对折收纳，这种方式不仅可以使整个柔性显示装置的体积更加小巧便携，且第一壳体11和第二壳体12可以更好的保护内部的柔性显示屏30，使之不易受到损伤。
如图15所示，柔性显示装置还包括一弹性构件160，弹性构件160贯穿第一壳体11和第二壳体12。如图15中的a所示，在第一壳体11和第二壳体12展平时，弹性构件160与第一壳体11和第二壳体12的顶面平行。如图15中的b所示，在第一壳体11和第二壳体12对折时，弹性构件160也随之对折，在第一壳体11和第二壳体12连接处，弹性构件160呈弧形结构，该弧形结构提供一个锁紧力，可以使第一壳体11和第二壳体12维持对折的状态，在不受外力作用时不会相互分离，外界杂质不会进入，保护其中的柔性显示屏30不受损坏。当需要将第一壳体11和第二壳体12重新展平时，需要施加一定的外力才能将第一壳体11和第二壳体12分离，然后弹性构件160也随着从弯折状态回复至展平状态。
在一种实施例中，柔性显示装置还包括支撑层（图未示出），柔性显示屏30设置在支撑层上。柔性显示屏40的面积可以等于支撑层的面积，也可以小于支撑层的面积。在柔性显示屏30在第一状态和第二状态切换时，支撑层可以用来保护柔性显示屏30，防止柔性显示屏30在拉伸过程中受到损伤。
支撑层通常为矩形结构，它的弯折卷曲性能较好，且在一定拉力的作用下拉伸量也很小，通常为不锈钢或非晶材料，在一种实施例中，支撑层的厚度为30微米。
柔性显示装置还包括粘合层（图未示出），粘合层设置在支撑层与柔性显示屏30之间，柔性显示屏30通过粘合层固定在支撑层上。粘合层的材质可以是光学胶，经过固化粘合柔性显示屏30和支撑层，但本申请不以此为限，其他可以将柔性显示屏30固定在支撑层上的材料均可形成粘合层。
通过设置拉伸机构、收卷机构和连接构件13，在柔性显示屏30不使用时将其收卷在壳体10中并对折，在柔性显示屏30使用时将其从壳体10中拉出并展平，可以灵活控制柔性显示屏30的显示面积，且收纳后整个柔性显示装置的体积更小，壳体10也可以保护内部的柔性显示屏30不受损伤。
根据上述实施例可知：
本申请提供一种柔性显示装置，包括壳体、至少一个收卷机构、柔性显示屏和至少一个拉伸机构，壳体内部形成收纳腔，收纳腔相对的两侧边中的至少一边上形成有开口；至少一个收卷机构设置在收纳腔内；柔性显示屏设置在壳体外部，柔性显示屏的一端从开口伸入，与收卷机构连接；至少一个拉伸机构设置在收纳腔内，每个拉伸机构与一个收卷机构相连；其中，柔性显示屏处于第一状态时，拉伸机构拉动收卷机构，沿背离壳体的方向移动，将柔性显示屏拉出收卷机构；柔性显示屏处于第二状态时，拉伸机构拉动收卷机构，沿朝向壳体的方向移动，将柔性显示屏收进收卷机构。通过设置拉伸机构和收卷机构，在柔性显示屏不使用时将其收卷在壳体中，整个柔性显示装置的体积更小，且壳体可以保护内部的柔性显示屏不受损伤。
综上所述，虽然本申请已以优选实施例揭露如上，但上述优选实施例并非用以限制本申请，本领域的普通技术人员，在不脱离本申请的精神和范围内，均可作各种更动与润饰，因此本申请的保护范围以权利要求界定的范围为准。

Claims (20)

  1. 一种柔性显示装置，其包括：
    壳体，所述壳体内部形成收纳腔，所述收纳腔相对的两侧边中的至少一边上形成有开口；
    至少一个收卷机构，设置在所述收纳腔内；
    柔性显示屏，设置在所述壳体外部，所述柔性显示屏的一端从所述开口伸入，与所述收卷机构连接；
    至少一个拉伸机构，设置在所述收纳腔内，每个所述拉伸机构与一个所述收卷机构相连；
    其中，所述柔性显示屏处于第一状态时，所述拉伸机构拉动所述收卷机构，沿背离所述壳体的方向移动，将所述柔性显示屏拉出所述收卷机构；所述柔性显示屏处于第二状态时，所述拉伸机构拉动所述收卷机构，沿朝向所述壳体的方向移动，将所述柔性显示屏收进所述收卷机构。
  2. 如权利要求1所述的柔性显示装置，其中，所述壳体包括第一壳体、第二壳体、以及连接所述第一壳体和所述第二壳体的连接构件，所述第一壳体内部形成第一收纳腔，所述第二壳体内部形成第二收纳腔，所述第一收纳腔和所述第二收纳腔中的至少一个在远离所述连接构件的侧边上形成有开口，其中，所述柔性显示屏处于第一状态时，所述第一壳体和所述第二壳体围绕所述连接构件展平，所述柔性显示屏处于第二状态时，所述第一壳体和所述第二壳体围绕所述连接构件对折。
  3. 如权利要求1所述的柔性显示装置，其中，所述收卷机构包括轴线平行且相互不接触的收卷构件和第一滚轮，所述第一滚轮设置在所述收卷构件和所述开口之间，所述收卷构件与所述第一滚轮固定在所述拉伸机构上，所述柔性显示屏的一端与所述收卷构件连接，绕过所述第一滚轮从所述开口伸出所述壳体。
  4. 如权利要求3所述的柔性显示装置，其中，所述收卷构件为卷簧。
  5. 如权利要求3所述的柔性显示装置，其中，所述收卷机构还包括驱动构件，所述驱动构件驱动所述收卷构件，将所述柔性显示屏拉出或收回所述壳体。
  6. 如权利要求3所述的柔性显示装置，其中，所述收卷机构还包括第二滚轮，所述第二滚轮和所述第一滚轮设置在所述收卷构件的两侧，所述第二滚轮与所述开口的距离大于所述第一滚轮距开口的距离，所述第一滚轮和所述第二滚轮的轴线平行，所述柔性显示屏的一端与所述收卷构件连接，依次绕过所述第二滚轮和所述第一滚轮从所述开口伸出所述壳体。
  7. 如权利要求6所述的柔性显示装置，其中，所述第一滚轮的直径等于或大于所述第二滚轮的直径。
  8. 如权利要求6所述的柔性显示装置，其中，所述第一收卷机构还包括第三滚轮，所述第三滚轮设置在所述第一滚轮和所述收卷构件之间，所述第三滚轮和所述第一滚轮的轴线平行，所述柔性显示屏的一端与所述收卷构件连接，依次绕过所述第三滚轮、所述第二滚轮和所述第一滚轮从所述开口伸出所述壳体。
  9. 如权利要求8所述的柔性显示装置，其中，所述第三滚轮的直径小于或等于所述第二滚轮的直径。
  10. 如权利要求2所述的柔性显示装置，其中，所述拉伸机构为抽屉，所述抽屉上设置有滑块，所述壳体上设置有对应的滑轨，所述滑块沿所述滑轨滑动。
  11. 如权利要求10所述的柔性显示装置，其中，所述滑块为滑条或滑轮。
  12. 如权利要求10所述的柔性显示装置，其中，所述滑轨设置在所述壳体的底面。
  13. 如权利要求10所述的柔性显示装置，其中，所述滑轨设置在所述壳体的侧面。
  14. 如权利要求10所述的柔性显示装置，其中，所述抽屉上还设置有拉杆。
  15. 如权利要求1所述的柔性显示装置，其中，所述柔性显示装置还包括限位板，所述限位板设置在所述壳体的底面。
  16. 如权利要求1所述的柔性显示装置，其中，所述柔性显示装置还包括支撑层，所述柔性显示屏设置在所述支撑层上。
  17. 如权利要求16所述的柔性显示装置，其中，所述支撑层的厚度为30微米。
  18. 如权利要求16所述的柔性显示装置，其中，所述支撑层的材料为不锈钢。
  19. 如权利要求16所述的柔性显示装置，其中，所述柔性显示装置还包括粘合层，所述粘合层设置在所述支撑层与所述柔性显示屏之间，所述柔性显示屏通过所述粘合层固定在所述支撑层上。
  20. 如权利要求19所述的柔性显示装置，其中，所述粘合层材料为光学胶。
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