WO2024067163A1 - 折叠屏设备 - Google Patents

折叠屏设备 Download PDF

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Publication number
WO2024067163A1
WO2024067163A1 PCT/CN2023/119094 CN2023119094W WO2024067163A1 WO 2024067163 A1 WO2024067163 A1 WO 2024067163A1 CN 2023119094 W CN2023119094 W CN 2023119094W WO 2024067163 A1 WO2024067163 A1 WO 2024067163A1
Authority
WO
WIPO (PCT)
Prior art keywords
shell
thickness
hinge
housing
screen device
Prior art date
Application number
PCT/CN2023/119094
Other languages
English (en)
French (fr)
Inventor
黄波
查鹏
王彦欣
庞东
于卫东
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2024067163A1 publication Critical patent/WO2024067163A1/zh

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Classifications

    • 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
    • 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
    • G09F9/33—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 being semiconductor devices, e.g. diodes
    • 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

Definitions

  • the present application relates to the technical field of electronic equipment, and in particular to a folding screen device.
  • foldable screen devices have gradually become a development trend of future electronic products.
  • existing foldable screen devices still have some defects.
  • the screen ratio of foldable screen devices is not well adapted to many application scenarios (for example, playing videos, playing games, reading e-books, reading papers, etc.).
  • the video ratio is generally 16:9, but in the unfolded state, the screen ratio of many foldable screen devices is close to 1:1, so the user experience is not good.
  • the folding screen device when folded, the folding screen device is relatively thick and the user's grip feel is not good.
  • the present application provides a folding screen device for improving an existing folding screen device.
  • a folding screen device comprising a first shell, a second shell, a third shell, a first hinge, a second hinge and a flexible screen; wherein, the opposite ends of the first hinge are respectively connected to the first shell and the second shell, the opposite ends of the second hinge are respectively connected to the second shell and the third shell, and the flexible screen is respectively connected to the first shell, the second shell and the third shell; the first hinge can be deformed so that the first shell is folded or unfolded relative to the second shell, and the second hinge can be deformed so that the second shell is folded or unfolded relative to the third shell; the thickness of the third shell is greater than the thickness of the first shell and/or the thickness of the second shell, and the thickness of the first shell is different from the thickness of the second shell.
  • the thickness of multiple shells of folding screen devices is relatively large, resulting in a poor hand feel of the entire device.
  • the multiple shells can be of different thicknesses, so that the folding screen device can be made thinner, reducing the thickness of the folding screen device in the folded state, and also making the weight of the folding screen device lighter, so as to provide users with a better grip feel.
  • the screen ratio of the foldable screen device in the unfolded state can better match a variety of scenarios.
  • the thickness of the third shell is greater than the thickness of the first shell and/or the thickness of the second shell, and the thickness of the first shell is different from the thickness of the second shell, including:
  • the thickness of the third shell is greater than that of the second shell, and the thickness of the second shell is greater than that of the first shell; or, the thickness of the third shell is equal to the thickness of the second shell, and the thickness of the second shell is greater than the thickness of the first shell; or, the thickness of the third shell is greater than the thickness of the second shell, and the thickness of the third shell is equal to the thickness of the first shell.
  • the first shell and the third shell are both wedge-shaped.
  • the first shell and the third shell are set to be wedge-shaped, so that the folding screen device has a better feel.
  • the thickness of the first shell at one end close to the first hinge is smaller than the thickness of the first shell at one end away from the first hinge
  • the thickness of the third shell at one end close to the second hinge is smaller than the thickness of the third shell at one end away from the second hinge
  • the thickness of the end of the first housing close to the first hinge is greater than The thickness of the first shell at one end away from the first hinge is greater than the thickness of the third shell at one end close to the second hinge.
  • the folding screen device includes at least one front camera module; the interior of the first shell, and/or the interior of the second shell, and/or the interior of the third shell are used to install the front camera module.
  • the first shell includes a first battery
  • the second shell includes a second battery
  • the third shell includes a third battery, a mainboard, a rear camera module, and the FPC of the flexible screen.
  • the stacking method of the components inside the folding screen device is relatively simple.
  • the FPC of the flexible screen and the mainboard are arranged in the same housing, which can avoid the FPC of the flexible screen from passing through the axis, further simplifying the internal structure of the folding screen device.
  • the first shell includes a first speaker inside
  • the third shell includes a second speaker inside
  • stereo sound can be achieved by providing multiple speakers.
  • the frame of the third shell, the upper frame of the second shell, and the lower frame of the second shell are used to install multiple antennas.
  • the first shell includes a first magnet
  • the second shell includes a second magnet and an electric device
  • the third shell includes a third magnet
  • the folding screen device also includes a switch; the switch is used to drive the second magnet to move through the electric device, so that the first magnet and the second magnet repel each other, and the second magnet and the third magnet repel each other, so that the folding screen device unfolds from a folded state into a Z shape.
  • the folding screen device by setting a magnet in the shell, the folding screen device can be electrically unfolded, thereby bringing a better experience to the user.
  • the first hinge is an outward-folding hinge
  • the second hinge is an inward-folding hinge
  • the flexible screen includes a first flat portion, a second flat portion, and a third flat portion, the first flat portion is connected to the first shell, the second flat portion is connected to the second shell, and the third flat portion is connected to the third shell; the thickness of the first flat portion is greater than the thickness of the second flat portion and the thickness of the third flat portion.
  • the flat parts of the flexible screen may have different thicknesses.
  • the thickness of the first flat part may be greater than the thickness of the second flat part, and greater than the thickness of the third flat part, thereby improving the performance of the first flat part in the folded state.
  • FIG. 1 shows a folding screen device proposed in the present application.
  • Figure 2 shows a form of a folding screen device.
  • FIG. 3 shows various support states of a folding screen device.
  • FIG. 4 shows various shapes of the flexible screen at the inward folding hinge in the folded state.
  • FIG. 5 shows the thickness relationship between the multiple components of the flexible screen.
  • FIG. 6 shows the thickness relationship among the first shell, the second shell and the third shell.
  • FIG. 7 shows a case where the housing is wedge-shaped.
  • FIG. 8 shows a case where the housing is wedge-shaped.
  • Figure 9 shows the arrangement of the front camera module of a folding screen device.
  • FIG. 10 shows a method of using the front camera module for (c) in FIG. 9 .
  • FIG. 11 shows raised and recessed areas associated with the installation of the front camera module.
  • FIG12 shows part of the internal structure of a foldable screen device.
  • FIG. 13 shows a partial internal structure of the third housing.
  • Figure 14 shows the principle of electric deployment.
  • FIG. 15 shows a method of combining electric and manual unfolding of a folding screen device.
  • FIG. 16 shows the structure of the inner folding hinge of a folding screen device in the unfolded state.
  • Figure 17 shows the structure of the outward folding hinge of the folding screen device in the unfolded state.
  • connection should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium.
  • installation and “connection” should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium.
  • An embodiment of the present application provides a foldable screen device that can be folded multiple times.
  • the foldable screen device can be any device with communication and/or storage functions, such as a mobile phone, tablet computer, watch, e-reader, laptop computer, car-mounted device, Internet TV, wearable device and other smart devices.
  • the folding screen device can be folded twice as an example. At this time, the folding screen device can be folded into 3 layers.
  • the folding screen device includes a first housing 100, a second housing 200, a third housing 300, a first hinge 400, a second hinge 500, and a flexible screen 600.
  • the opposite ends of the first hinge 400 are respectively connected to the first housing 100 and the second housing 200
  • the opposite ends of the second hinge 500 are respectively connected to the second housing 200 and the third housing 300
  • the flexible screen 600 is respectively connected to the first housing 100, the second housing 200, and the third housing 300.
  • the flexible screen 600 may include a first flat portion 601, a second flat portion 602, a third flat portion 603, a first bending portion 604, and a second bending portion 605.
  • the first flat portion 601 is connected to the first housing 100
  • the second flat portion 602 is connected to the second housing 200
  • the third flat portion 603 is connected to the third housing 300.
  • the first hinge 400 can be deformed so that the first housing 100 is folded or unfolded relative to the second housing 200
  • the second hinge 500 can be deformed so that the second housing 200 is folded or unfolded relative to the third housing 300 .
  • the angle between the first shell 100 and the second shell 200 can be recorded as. If, the first shell 100 and the second shell 200 are in a folded state. In some embodiments, when the first shell 100 and the second shell 200 are in a folded state, the angle between the first shell 100 and the second shell 200 may also have a slight deviation from 0°, such as 15°, 25°, etc. If, the first shell 100 and the second shell 200 are in an unfolded state. In some embodiments, when the first shell 100 and the second shell 200 are in an unfolded state, the angle between the first shell 100 and the second shell 200 may also have a slight deviation from 180°, such as 165°, 177° or 185°, etc.
  • first shell 100 and the second shell 200 are not completely folded, or the first shell 100 and the second shell 200 are not completely unfolded, or the first shell 100 and the second shell 200 are in a transition state from the folded state to the unfolded state.
  • the angle between the second shell 200 and the third shell 300 can be recorded as. If, the second shell 200 and the third shell 300 are in a folded state. In some embodiments, when the second shell 200 and the third shell 300 are in a folded state, the angle between the second shell 200 and the third shell 300 may also have a slight deviation from 0°, such as 15°, 25°, etc. If, the second shell 200 and the third shell 300 are in an unfolded state. In some embodiments, when the second shell 200 and the third shell 300 are in an unfolded state, the angle between the second shell 200 and the third shell 300 may also have a slight deviation from 180°, such as 165°, 177° or 185°, etc.
  • the second shell 200 and the third shell 300 are not completely folded, or the second shell 200 and the third shell 300 are not completely unfolded, or the second shell 200 and the third shell 300 are in a transition state from the folded state to the unfolded state.
  • the folding screen device if the first shell 100 and the second shell 200 are in a folded state, and the second shell 200 and the third shell 300 are in a folded state, the folding screen device is in a folded state. If the first shell 100 and the second shell 200 are in an unfolded state, and the second shell 200 and the third shell 300 are in an unfolded state, the folding screen device is in an unfolded state. The foldable screen device is between the folded state and the unfolded state. It can be considered that the foldable screen device is not completely folded, or that the foldable screen device is not completely unfolded, or that the foldable screen device is in a transition state from the folded state to the unfolded state.
  • the folding screen device can be folded twice, so that the screen ratio of the folding screen device in the unfolded state can better adapt to various application scenarios.
  • the first hinge 400 is an outward folding hinge
  • the second hinge 500 is an inward folding hinge.
  • a support state #1 can be formed.
  • a bracket state #2 can be formed.
  • a support state #3 can be formed.
  • the flexible screen can be folded outwards through the external folding hinge, and the flexible screen is exposed outside after folding.
  • the flexible screen can be folded inwards through the internal folding hinge, and the flexible screen is hidden inside after folding.
  • first shell 100 and the second shell 200 are connected by an external folding hinge, and the second shell 200 and the third shell 300 are connected by an internal folding hinge, when the folding screen device is in a folded state, the first flat portion 601 and the first bent portion 604 of the flexible screen 600 are exposed to the outside, and the second flat portion 602 and the third flat portion 603 of the flexible screen 600 are hidden inside.
  • first hinge 400 is an inward folding hinge
  • second hinge 500 is an outward folding hinge
  • the folding screen device can also form a variety of bracket states, which will not be repeated here.
  • first hinge 400 and the second hinge 500 may have corresponding structures to achieve folding and unfolding of the flexible screen 600.
  • first hinge 400 and the second hinge 500 may both be symmetrical hinges.
  • first hinge 400 may be a symmetrical door panel outward folding hinge
  • second hinge 500 may be a symmetrical inward folding hinge.
  • the shape of the flexible screen 600 in the folded state can be a water drop shape.
  • the inward folding hinge may also be a golf-type hinge.
  • the shape of the flexible screen 600 in the folded state may be a golf-type shape.
  • the inner folding hinge may also be an asymmetric hinge.
  • the shape of the flexible screen 600 in the folded state may be an asymmetric water drop shape (or offset water drop shape).
  • the first shell 100 , the second shell 200 and the third shell 300 can all serve as carriers of the flexible screen 600 .
  • the normal direction of the flexible screen 600 is taken as the thickness direction.
  • the thickness of the first flat portion 601 , the thickness of the second flat portion 602 , and the thickness of the third flat portion 603 may be the same.
  • the various flat parts of the flexible screen 600 may be of different thicknesses.
  • the first hinge 400 as an outward folding hinge and the second hinge 500 as an inward folding hinge as an example, in combination with FIG. 2 and FIG. 5
  • the thickness of the first flat part 601 may be greater than the thickness of the second flat part 602, and greater than the thickness of the third flat part 603.
  • a support layer may be added to the screen of the first flat part 601 to increase the thickness of the first flat part 601.
  • a buffer layer may be added to the screen of the first bending portion 604 .
  • the thicknesses of the first housing 100 , the second housing 200 , and the third housing 300 will be described.
  • the first housing 100 includes a first top surface 101 and a first back surface 102, and the first top surface 101 and the first back surface 102 are respectively located at opposite ends of the thickness direction.
  • the distance from a certain position on the first top surface 101 to a corresponding position on the first back surface 102 can be referred to as the thickness of the first housing 100 at that position.
  • the second housing 200 includes a second top surface 201 and a second back surface 202, and the second top surface 201 and the second back surface 202 are respectively located at opposite ends of the thickness direction.
  • the distance from a certain position on the second top surface 201 to a corresponding position on the second back surface 202 can be referred to as the thickness of the second housing 200 at that position.
  • the third housing 300 includes a third top surface 301 and a third back surface 302, and the third top surface 301 and the third back surface 302 are respectively located at opposite ends of the thickness direction. In the thickness direction, the distance from a certain position on the third top surface 301 to a corresponding position on the third back surface 302 can be referred to as the thickness of the third housing 300 at that position.
  • the thickness of the third housing 300 is greater than the thickness of the first housing 100 and/or the thickness of the second housing 200.
  • the thickness of the housing can be understood as: the thickness of the housing as a whole, or the average thickness of the housing at various positions.
  • the thickness of the first shell 100 at each position is the same
  • the thickness of the second shell 200 at each position is the same
  • the thickness of the third shell 300 at each position is the same.
  • the thickness of the third housing 300 is greater than that of the second housing 200, and the thickness of the second housing 200 is greater than that of the first housing 100. That is, the thickness relationship among the third housing 300, the second housing 200, and the first housing 100 may be thick-medium-thin.
  • the folding screen device may include two batteries, which are respectively arranged inside the second shell 200 and inside the third shell 300. Since no battery is arranged inside the first shell 100, the first shell 100 can be made thinner, thereby reducing the thickness of the folding screen device in the folded state.
  • the thickness of the third housing 300 is greater than that of the second housing 200, and the thickness of the second housing 200 is equal to that of the first housing 100. That is, the thickness relationship among the third housing 300, the second housing 200, and the first housing 100 may be thick-medium-medium.
  • the folding screen device may include three batteries, which are respectively arranged inside the three shells. Compared with case 1, in case 2, a battery is also arranged inside the first shell 100, thereby improving the battery life of the folding screen device.
  • the thickness of the third housing 300 is equal to the thickness of the second housing 200, and the thickness of the second housing 200 is greater than the thickness of the first housing 100. That is, the thickness relationship among the third housing 300, the second housing 200, and the first housing 100 may be thick-thick-thin.
  • the folding screen device may include two batteries, which are respectively arranged inside the second shell 200 and inside the third shell 300.
  • the thickness of the third housing 300 is greater than that of the second housing 200, and the thickness of the third housing 300 is equal to that of the first housing 100. That is, the thickness relationship among the third housing 300, the second housing 200, and the first housing 100 may be thick-thin-thick.
  • the folding screen device may include two batteries, which are respectively arranged inside the first shell 100 and inside the third shell 300.
  • At least one of the three shells is wedge-shaped.
  • the wedge-shaped shell can be understood as: the thickness of the shell changes along the X direction.
  • the thickness of the shell can be changed continuously and smoothly along the X direction.
  • the thickness change rate can be basically constant. If the coordinates of each position of the shell and the corresponding thickness are used as variables to construct a thickness curve, the thickness curve is an inclined straight line.
  • first housing 100 and the third housing 300 are in a wedge shape.
  • the thickness of the end of the first shell 100 close to the first hinge 400 is smaller than the thickness of the end of the first shell 100 away from the first hinge 400
  • the thickness of the end of the third shell 300 close to the second hinge 500 is smaller than the thickness of the end of the third shell 300 away from the second hinge 500.
  • the thickness of the first shell 100 at one end close to the first hinge 400 is greater than the thickness of the first shell 100 at one end away from the first hinge 400
  • the thickness of the third shell 300 at one end close to the second hinge 500 is greater than the thickness of the third shell 300 at one end away from the second hinge 500.
  • the first shell and the third shell are set to be wedge-shaped, and the folding screen device has a better feel.
  • the feel of the folding screen device will be further improved, and the front camera module can be set at a position away from the hinge, so that the front camera module does not conflict with the hinge shaft space.
  • the thickness of the shell may also change suddenly along the X direction.
  • the thickness of the third shell 300 changes suddenly, and one or more of the front camera module, the rear camera module, the battery and the charging port can be arranged in the relatively thick area of the third shell 300, and the motherboard can be arranged in the relatively thin area of the third shell 300.
  • the folding screen device includes at least one front camera module.
  • the interior of the first shell, and/or the interior of the second shell, and/or the interior of the third shell can be used to install the front camera module.
  • the front camera module can be set at one or more of the first flat portion 601, the second flat portion 602 and the third flat portion 603 of the flexible screen 600.
  • the first hinge 400 as an outward folding hinge and the second hinge 500 as an inward folding hinge as an example to introduce several possible arrangements of the front camera module of the folding screen device.
  • the shape of the flexible screen hole corresponding to the front camera module can be circular, square, or capsule-shaped (also called pill-shaped, runway-shaped), and this application does not limit this.
  • the front camera module can be disposed on the first flat portion 601. At this time, the front camera module can be used when the folding screen device is in a folded state; or, the front camera module can be used in the support state #3 shown in FIG3 .
  • the front camera module can be set at any position of the first flat portion 601.
  • the front camera module can be set at the upper right corner of the first flat portion 601, or at the middle of the upper end, so as to avoid conflict between the front camera module and the rotation axis space of the first hinge.
  • the front camera module may be disposed on the second flat portion 602. At this time, the front camera module may be used when the folding screen device is in an unfolded state.
  • the front camera module can be set at any position of the second flat portion 602.
  • the front camera module can be set at the middle of the upper end of the second flat portion 602.
  • the front camera module is set at a position of the second flat portion 602 away from the first hinge and the second hinge in the present application, which can avoid the front camera module from conflicting with the rotation axis space of the first hinge and the rotation axis space of the second hinge.
  • the front camera module may be disposed on the third flat portion 603. At this time, the front camera module may be used in the support state #1 and the support state #2 shown in FIG3 .
  • the front camera module can be set at any position of the third flat portion 603.
  • the front camera module can be set at the upper left corner of the third flat portion 603, or at the middle of the upper end of the third flat portion 603, so as to avoid conflict between the front camera module and the rotation axis space of the second hinge.
  • holes may be dug in the first housing 100 and the second housing 200.
  • the light transmittance of the area #1 on the first flat portion 601 and the area #2 on the second flat portion 602 may be increased (for example, the area #1 and the area #2 are set to be transparent), so that light can pass through the first flat portion 601 and the second flat portion 602 to enter the front camera module; when the front camera module is not required to be used, the area #1 and the area #2 may be displayed normally.
  • the folding screen device may include a processing module. For example, when a user makes a video call or takes a selfie, a corresponding instruction (or electrical signal) may be triggered, and the processing module may set area #1 and area #2 to be transparent according to the instruction.
  • a processing module For example, when a user makes a video call or takes a selfie, a corresponding instruction (or electrical signal) may be triggered, and the processing module may set area #1 and area #2 to be transparent according to the instruction.
  • the flexible screen 600 can be an organic light-emitting diode (OLED) screen.
  • OLED organic light-emitting diode
  • the front camera module may be disposed on the first flat portion 601 and the third flat portion 603.
  • the front camera module is disposed at the upper right corner of the first flat portion 601 and at the upper left corner of the third flat portion 603;
  • the front camera module is disposed in the middle of the upper end of the first flat portion 601 and in the middle of the upper end of the third flat portion 603, thereby realizing a binocular vision function.
  • the arrangement of the front camera module is not limited to the above four methods.
  • the front camera module can also be arranged on the first flat portion 601, the second flat portion 602 and the third flat portion 603.
  • a corresponding raised portion can be provided on the housing to install the front camera module.
  • a recessed portion can be provided on other housings accordingly.
  • a convex portion may be disposed on the first housing 100, and a concave portion may be disposed at a corresponding position of the second housing 200. It is understood that, in the folded state, the convex portion may be folded to the concave portion.
  • the front camera module can be installed at a thicker position of the housing.
  • the front camera module when the front camera module is installed on the first shell 100 , the front camera module can be installed on a side of the first shell 100 away from the first hinge 400 ; when the front camera module is installed on the third shell 300 , the front camera module can be installed on a side of the third shell 300 away from the second hinge 500 .
  • the front camera module when the front camera module is installed on the first shell 100, the front camera module can be installed on the side of the first shell 100 close to the first hinge 400; when the front camera module is installed on the third shell 300, the front camera module can be installed on the side of the third shell 300 close to the second hinge 500.
  • the mainboard 303 and the rear camera module 304 are both disposed inside the third housing 300.
  • the first battery 103 is disposed inside the first housing 100
  • the second battery 203 is disposed inside the second housing 200
  • the third battery 305 is disposed inside the third housing 300.
  • the flexible printed circuit (FPC) (not shown in FIG12 ) of the flexible screen 600 can also be disposed inside the third housing 300.
  • the present application does not limit the dimensions of the first battery 103, the second battery 203, and the third battery 305.
  • the dimensions of the three batteries may be the same or different.
  • the thickness of the battery may match the thickness of the shell. In other words, the greater the thickness of the battery, the greater the thickness of the shell.
  • the foldable screen device may have only two batteries.
  • the two batteries may have the same or different dimensions.
  • the folding screen device may have only one battery, for example, the battery is only arranged inside the third shell 300.
  • the FPC of the flexible screen 600 and the main board 303 are arranged in different housings, the FPC of the flexible screen 600 needs to pass through the hinge (or need to cross the axis) when connecting to the main board 303, thereby increasing the complexity of the internal structure.
  • the FPC of the flexible screen 600 and the main board 303 are both arranged in the third housing 300, and the FPC of the flexible screen 600 can be connected to the main board 303 in the third housing 300, thereby avoiding the cross-axis.
  • the main board 303 can be configured to be L-shaped, and the main board 303 and the third battery 305 can be arranged on the left and right inside the third shell 300 .
  • the system on chip (SoC) chip 306 can be electrically connected to the mainboard 303.
  • the SoC chip 306 is disposed at a position away from the frame of the third housing 300.
  • the SoC chip 306 does not overlap with the FPC of the flexible screen 600 in the thickness direction, thereby reducing the thickness of the folding screen device and reducing the influence of the heat generated by the SoC chip 306 when working on the flexible screen 600.
  • an elevated board can be provided near the rear camera module 304 .
  • the elevated board is used to install the SoC chip, and other devices can also be installed in the space below the elevated board, thereby saving internal space.
  • the folding screen device may further include at least one speaker.
  • the folding screen device includes multiple speakers, a stereo sound effect can be achieved.
  • the first speaker 104 can be arranged inside the first housing 100, and the second speaker 307 can be arranged inside the third housing 300.
  • the first speaker 104 and the second speaker 307 are respectively located at opposite ends.
  • the first speaker 104 is located at the upper end of the first housing 100
  • the second speaker 307 is located at the lower end of the third housing 300.
  • the first speaker 104 may be connected to the mainboard 303 in the third housing 300 via an FPC (not shown in FIG. 12 ). At this time, the FPC passes through the first hinge 400 and the second hinge 500 .
  • the antenna arrangement of the folding screen device is introduced below.
  • a plurality of slits may be provided on the frame of the third housing 300 , and the plurality of slits are used to separate different antennas. For example, seven slits may be provided on the frame of the third housing 300 .
  • a gap may be provided on the frame of the first housing 100 and/or the frame of the second housing 200 to install an antenna, thereby further improving the communication capability of the folding screen device. It is understandable that if antennas are installed on the frame of the first housing 100 and/or the frame of the second housing 200, these antennas need to pass through the hinge (or need to cross the axis) when electrically connected to the mainboard 303 in the third housing 300.
  • the antenna can be set on the frame of the second shell. For example, as shown in FIG12, the antenna can be set on the upper frame and the lower frame of the second shell 200 respectively.
  • the user can unfold the foldable screen device with his hands, or fold the foldable screen device with his hands.
  • the folding screen device is unfolded based on a combination of electric unfolding and manual unfolding, and is folded up based on a manual folding method.
  • the electric deployment is realized based on magnetic poles. Specifically, when the magnetic poles of two magnetic components with opposite polarities face each other, the two magnetic components attract each other; when the magnetic poles of two magnetic components with the same polarity face each other, the two magnetic components repel each other.
  • magnetic components involved in the present application may be magnetic components such as electromagnets and permanent magnets.
  • Magnetic pole adsorption based on magnetic induction coil (1) Magnetic pole adsorption based on magnetic induction coil.
  • each magnetic induction coil includes two magnetic pole faces (a north (north, N) pole and a south (south, S) pole).
  • the first magnetic induction coil and the second magnetic induction coil are mutually attracted, and the second magnetic induction coil and the third magnetic induction coil are mutually attracted. If the first magnetic induction coil is arranged in the first shell, the second magnetic induction coil is arranged in the second shell, and the third magnetic induction coil is arranged in the third shell, then the first shell and the second shell are mutually attracted, and the second shell and the third shell are mutually attracted.
  • the first magnetic induction coil and the second magnetic induction coil can be made to repel each other, and the second magnetic induction coil and the third magnetic induction coil can be made to repel each other. If the first magnetic induction coil is arranged in the first shell, the second magnetic induction coil is arranged in the second shell, and the third magnetic induction coil is arranged in the third shell, then the first shell and the second shell repel each other, and the second shell and the third shell repel each other.
  • each magnet includes two magnetic pole faces (N pole and S pole).
  • the first magnet and the second magnet are mutually attracted, and the second magnet and the third magnet are mutually attracted. If the first magnet is arranged in the first shell, the second magnet and the fourth magnet are arranged in the second shell, and the third magnet is arranged in the third shell, the first shell and the second shell are mutually attracted, and the second shell and the third shell are mutually attracted.
  • the electric mechanism pushes the second magnet and the fourth magnet so that the first magnet and the fourth magnet repel each other, and the fourth magnet and the third magnet repel each other. If the first magnet is arranged in the first shell, the second magnet and the fourth magnet are arranged in the second shell, and the third magnet is arranged in the third shell, the first shell and the second shell repel each other, and the second shell and the third shell repel each other.
  • each magnet includes two magnetic pole faces (N pole and S pole).
  • the first magnet and the second magnet are mutually attracted, and the second magnet and the third magnet are mutually attracted. If the first magnet is arranged in the first shell, the second magnet is arranged in the second shell, and the third magnet is arranged in the third shell, the first shell and the second shell are mutually attracted, and the second shell and the third shell are mutually attracted.
  • the electric mechanism pushes the second magnet so that the first magnet and the second magnet repel each other, and the second magnet and the third magnet repel each other. If the first magnet is arranged in the first shell, the second magnet is arranged in the second shell, and the third magnet is arranged in the third shell, the first shell and the second shell repel each other, and the second shell and the third shell repel each other.
  • a first magnet 105 is provided in the first housing 100 and a first magnet 105 is provided in the second housing 200
  • a second magnet 204 is arranged in the first housing 100
  • a third magnet 308 is arranged in the third housing 300.
  • a switch (not shown in FIG. 15) is arranged on the folding screen device. Among them, the position of the first magnet 105 in the first housing 100 is fixed, and the position of the third magnet 308 in the third housing 300 is also fixed.
  • the second magnet 104 is connected to the electric mechanism. Exemplarily, the electric mechanism can also be arranged in the second housing 200.
  • the switch is used to adjust the position of the second magnet 204 in the second housing 200 through the electric mechanism, that is, the position of the second magnet 204 in the second housing 200 can be changed.
  • the second magnet 204 can move in the X direction.
  • the second magnet 204 can move in the Y direction, which example is not shown in FIG. 15.
  • the first magnet 105 and the second magnet 204 attract each other, and the second magnet 204 and the third magnet 308 attract each other.
  • the user can control the electric mechanism through the switch so that the electric mechanism drives the second magnet 204 to move, thereby staggering the position of the second magnet 204 with the first magnet 105 and the third magnet 308.
  • the N pole of the first magnet is opposite to the N pole of the second magnet
  • the N pole of the second magnet is opposite to the N pole of the third magnet
  • the S pole of the first magnet is opposite to the S pole of the second magnet
  • the S pole of the second magnet is opposite to the S pole of the third magnet
  • the folding screen device is unfolded into a Z shape through the magnetic force of mutual repulsion between the magnets. Furthermore, the user manually unfolds the folding screen device.
  • the switch may be a physical switch or a virtual switch.
  • a physical switch is provided on the third housing 300, and the user can use the physical switch to unfold the folding screen device into a Z shape.
  • a virtual switch may be provided in the outer folding axis area, and the user can slide a finger in the outer folding axis area to unfold the folding screen device into a Z shape.
  • the user when the folding screen device needs to be unfolded into a Z shape, the user can trigger an electrical signal through the switch, and the electrical signal can be transmitted to the electric device through the processor, and then the electric device can start working according to the electrical signal, thereby driving the second magnet 204 to move.
  • the middle frames of the two shells on both sides of the inner folding hinge can be designed to collide with each other; as shown in Figure 17, the hinge cover of the outer folding hinge and the two shells on both sides of the outer folding hinge can be designed to be flush, so that the folding screen device is more beautiful and feels better in the unfolded state.

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Abstract

一种折叠屏设备，包括第一壳体（100）、第二壳体（200）、第三壳体（300）、第一铰链（400）、第二铰链（500）和柔性屏（600）；其中，第一铰链（400）的相对两端分别与第一壳体（100）和第二壳体（200）连接，第二铰链（500）的相对两端分别与第二壳体（200）和第三壳体（300）连接，柔性屏（600）分别与第一壳体（100）、第二壳体（200）和第三壳体（300）连接；第一铰链（400）能够发生形变，使得第一壳体（100）相对于第二壳体（200）折叠或展开，第二铰链（500）能够发生形变，使得第二壳体（200）相对于第三壳体（300）折叠或展开；第三壳体（300）的厚度大于第一壳体（100）的厚度和/或第二壳体（200）的厚度，且第一壳体（100）的厚度与第二壳体（200）的厚度不同。多个壳体可以不等厚，降低了该折叠屏设备在折叠状态下的厚度，也使得该折叠屏设备的重量更轻，从而可以给用户提供更好的握持手感。

Description

折叠屏设备
本申请要求于2022年09月27日提交中国专利局、申请号为202211183546.6、申请名称为“一种可折叠电子设备”的中国专利申请，以及2023年02月21日提交中国专利局、申请号为202310180076.6、申请名称为“折叠屏设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及电子设备技术领域，特别涉及一种折叠屏设备。
背景技术
随着显示技术的不断发展，折叠屏设备逐渐成为未来电子产品的一个发展趋势。然而，现有的折叠屏设备仍存在一些缺陷。
一方面，在展开状态下，折叠屏设备的屏幕比例与很多应用场景(例如，播放视频、打游戏、阅读电子书、阅读论文等)不能很好地适配。以播放视频为例，视频的比例一般为16:9，然而在展开状态下折叠屏设备的屏幕比例很多是接近1:1的，因此用户体验不佳。
另一方面，在折叠状态下，折叠屏设备比较厚，用户的握持手感不佳。
综上，现有的折叠屏设备仍有进一步改进的空间。
发明内容
本申请提供一种折叠屏设备，用于对现有的折叠屏设备进行改进。
第一方面，提供了一种折叠屏设备，包括第一壳体、第二壳体、第三壳体、第一铰链、第二铰链和柔性屏；其中，所述第一铰链的相对两端分别与所述第一壳体和所述第二壳体连接，所述第二铰链的相对两端分别与所述第二壳体和所述第三壳体连接，所述柔性屏分别与所述第一壳体、所述第二壳体和所述第三壳体连接；所述第一铰链能够发生形变，使得所述第一壳体相对于所述第二壳体折叠或展开，所述第二铰链能够发生形变，使得所述第二壳体相对于所述第三壳体折叠或展开；所述第三壳体的厚度大于所述第一壳体的厚度和/或所述第二壳体的厚度，且所述第一壳体的厚度与所述第二壳体的厚度不同。
现有技术中，折叠屏设备多个壳体的厚度较大，导致整机的手感不佳。根据本申请实施例，由于第三壳体的厚度大于第一壳体的厚度和/或第二壳体的厚度，且所述第一壳体的厚度与所述第二壳体的厚度不同，也就是说，多个壳体可以不等厚，从而使得该折叠屏设备可以做得更薄，降低了该折叠屏设备在折叠状态下的厚度，也使得该折叠屏设备的重量更轻，从而可以给用户提供更好的握持手感。
此外，由于该折叠屏设备可以折叠两次，使得该折叠屏设备在展开状态下的屏幕比例可以更好地与多种场景进行匹配。
结合第一方面，在第一方面的某些实现方式中，所述第三壳体的厚度大于所述第一壳体的厚度和/或所述第二壳体的厚度，且所述第一壳体的厚度与所述第二壳体的厚度不同，包括：
所述第三壳体的厚度大于所述第二壳体的厚度，所述第二壳体的厚度大于所述第一壳体的厚度；或者，所述第三壳体的厚度等于所述第二壳体的厚度，所述第二壳体的厚度大于所述第一壳体的厚度；或者，所述第三壳体的厚度大于所述第二壳体的厚度，所述第三壳体的厚度等于所述第一壳体的厚度。
结合第一方面，在第一方面的某些实现方式中，所述第一壳体和所述第三壳体均为楔形。
根据本申请实施例，将第一壳体和第三壳体设置成楔形，折叠屏设备的手感更好。
结合第一方面，在第一方面的某些实现方式中，所述第一壳体靠近所述第一铰链的一端的厚度小于所述第一壳体远离所述第一铰链的一端的厚度，所述第三壳体靠近所述第二铰链的一端的厚度小于所述第三壳体远离所述第二铰链的一端的厚度。
结合第一方面，在第一方面的某些实现方式中，所述第一壳体靠近所述第一铰链的一端的厚度大 于所述第一壳体远离所述第一铰链的一端的厚度，所述第三壳体靠近所述第二铰链的一端的厚度大于所述第三壳体远离所述第二铰链的一端的厚度。
结合第一方面，在第一方面的某些实现方式中，所述折叠屏设备包括至少一个前置摄像头模组；所述第一壳体的内部，和/或，所述第二壳体的内部，和/或，所述第三壳体的内部用于安装所述前置摄像头模组。
结合第一方面，在第一方面的某些实现方式中，所述第一壳体内部包括第一电池，所述第二壳体内部包括第二电池，所述第三壳体内部包括第三电池、主板、后置摄像头模组和所述柔性屏的FPC。
根据本申请实施例，该折叠屏设备内部的部件堆叠方式比较简单。并且，柔性屏的FPC与主板设置在同一壳体内，可以避免柔性屏的FPC穿轴，进一步简化了该折叠屏设备的内部构造。
结合第一方面，在第一方面的某些实现方式中，所述第一壳体内部包括第一扬声器，所述第三壳体内部包括第二扬声器。
根据本申请实施例，通过设置多个扬声器，可以实现立体声。
结合第一方面，在第一方面的某些实现方式中，所述第三壳体的边框、所述第二壳体的上边框和所述第二壳体的下边框用于安装多根天线。
结合第一方面，在第一方面的某些实现方式中，所述第一壳体内部包括第一磁铁，所述第二壳体内部包括第二磁铁和电动装置，所述第三壳体内部包括第三磁铁，所述折叠屏设备还包括开关；所述开关用于通过所述电动装置带动所述第二磁铁移动，使得所述第一磁铁与所述第二磁铁相互排斥，所述第二磁铁与所述第三磁铁相互排斥，使得所述折叠屏设备从折叠状态展开成Z字型。
根据本申请实施例，通过在壳体中设置磁铁，可以实现该折叠屏设备的电动展开，从而给用户带来更好的体验。
结合第一方面，在第一方面的某些实现方式中，所述第一铰链为外折铰链，所述第二铰链为内折铰链；所述柔性屏包括第一平整部、第二平整部和第三平整部，所述第一平整部与所述第一壳体连接，所述第二平整部与所述第二壳体连接，所述第三平整部与所述第三壳体连接；所述第一平整部的厚度大于所述第二平整部的厚度和所述第三平整部的厚度。
根据本申请实施例，柔性屏的各个平整部可以是不等厚的。例如，第一平整部的厚度可以大于第二平整部的厚度，并且大于第三平整部的厚度，从而提高第一平整部在折叠状态下的性能。
附图说明
图1是示出了本申请提出的折叠屏设备。
图2为折叠屏设备的一种形态。
图3示出了折叠屏设备的多种支架状态。
图4示出了折叠状态下柔性屏在内折铰链处的多种形状。
图5示出了柔性屏的多个组成部分之间的厚度关系。
图6示出了第一壳体、第二壳体和第三壳体三者之间的厚度关系。
图7示出了壳体成楔形的一种情况。
图8示出了壳体成楔形的一种情况。
图9示出了折叠屏设备的前置摄像头模组的布置方式。
图10示出了针对图9中的(c)使用前置摄像头模组的一种方式。
图11示出了与前置摄像头模组安装相关的凸起部位和凹陷部位。
图12示出了折叠屏设备的部分内部构造。
图13示出了第三壳体的部分内部构造。
图14示出了电动展开的原理。
图15示出了折叠屏设备电动展开与手动展开相结合的方式。
图16示出了折叠屏设备展开态内折铰链处的构造。
图17示出了折叠屏设备展开态外折铰链处的构造。
具体实施方式
下面详细描述本申请的实施方式，可以理解的是，通过参考附图描述的实施方式是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。
在本申请的描述中，需要理解的是，术语“第一”、“第二”、“第三”等仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
在本申请的描述中，需要理解的是，术语“上”、“下”、“前”、“后”、“侧”、“内”、“外”、“水平”、“竖直”等指示的方位或位置关系为基于安装的方位或位置关系，仅是为了便于描述本申请，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
本申请实施例提供一种能够多次折叠的折叠屏设备，该折叠屏设备可以是任何具有通信和/或存储功能的设备，例如可以是手机、平板电脑、手表、电子阅读器、笔记本电脑、车载设备、网络电视、可穿戴设备等智能设备。
下面结合附图，对本申请提出的折叠屏设备进行详细说明。
为了便于描述，以该折叠屏设备可以折叠两次为例进行说明。此时，该折叠屏设备可以折叠成3层。
具体而言，如图1所示，该折叠屏设备包括第一壳体100、第二壳体200、第三壳体300、第一铰链400、第二铰链500、柔性屏600。其中，第一铰链400的相对两端分别与第一壳体100和第二壳体200连接，第二铰链500的相对两端分别与第二壳体200和第三壳体300连接，柔性屏600分别与第一壳体100、第二壳体200和第三壳体300连接。
柔性屏600可以包括第一平整部601、第二平整部602、第三平整部603、第一弯折部604、第二弯折部605。其中，第一平整部601与第一壳体100连接，第二平整部602与第二壳体200连接，第三平整部603与第三壳体300连接。
第一铰链400能够发生形变，使得第一壳体100相对于第二壳体200折叠或展开，第二铰链500能够发生形变，使得第二壳体200相对于第三壳体300折叠或展开。
如图2所示，第一壳体100与第二壳体200之间的夹角可以记为。如果，第一壳体100与第二壳体200处于折叠状态。在一些实施方式中，当第一壳体100与第二壳体200处于折叠状态时，第一壳体100与第二壳体200之间的夹角也可以相对0°存在少许偏差，例如15°、25°等。如果，第一壳体100与第二壳体200处于展开状态。在一些实施方式中，当第一壳体100与第二壳体200处于展开状态时，第一壳体100与第二壳体200之间的夹角也可以相对180°存在少许偏差，例如165°、177°或者185°等。如果第一壳体100与第二壳体200之间的夹角处于折叠状态和展开状态的角度范围之间，第一壳体100与第二壳体200未完全折叠，或者说第一壳体100与第二壳体200未完全展开，或者说第一壳体100与第二壳体200处于折叠状态到展开状态的过渡状态。
类似地，第二壳体200与第三壳体300之间的夹角可以记为。如果，第二壳体200与第三壳体300处于折叠状态。在一些实施方式中，当第二壳体200与第三壳体300处于折叠状态时，第二壳体200与第三壳体300之间的夹角也可以相对0°存在少许偏差，例如15°、25°等。如果，第二壳体200与第三壳体300处于展开状态。在一些实施方式中，当第二壳体200与第三壳体300处于展开状态时，第二壳体200与第三壳体300之间的夹角也可以相对180°存在少许偏差，例如165°、177°或者185°等。如果第二壳体200与第三壳体300之间的夹角处于折叠状态和展开状态的角度范围之间，第二壳体200与第三壳体300未完全折叠，或者说第二壳体200与第三壳体300未完全展开，或者说第二壳体200与第三壳体300处于折叠状态到展开状态的过渡状态。
可以理解的是，对于该折叠屏设备而言，如果第一壳体100与第二壳体200处于折叠状态，第二壳体200与第三壳体300处于折叠状态，该折叠屏设备处于折叠状态。如果第一壳体100与第二壳体200处于展开状态，第二壳体200与第三壳体300处于展开状态，该折叠屏设备处于展开状态。如果该 折叠屏设备处于折叠状态与展开状态之间，可以认为该折叠屏设备未完全折叠，或者说该折叠屏设备未完全展开，或者说该折叠屏设备处于折叠状态到展开状态的过渡状态。
根据本申请实施例，该折叠屏设备可以折叠两次，从而在展开状态下该折叠屏设备的屏幕比例能够更好地适配多种应用场景。
下面首先对该折叠屏设备的铰链进行说明。
作为一种方式，第一铰链400为外折铰链，第二铰链500为内折铰链。在该方式中，如图3所示，当第一壳体100与第二壳体200处于折叠状态(例如，α＝0°)，第二壳体200与第三壳体300处于折叠状态到展开状态的过渡状态(例如，β＝135°)时，可以形成支架状态#1。
或者，当第一壳体100与第二壳体200处于展开状态(例如，α＝180°)，第二壳体200与第三壳体300处于折叠状态到展开状态的过渡状态(例如，β＝135°)，并且第一壳体100和第二壳体200水平放置时，可以形成支架状态#2。
或者，当第一壳体100与第二壳体200处于展开状态(例如，α＝180°)，第二壳体200与第三壳体300处于折叠状态到展开状态的过渡状态(例如，β＝135°)，并且第三壳体300水平放置时，可以形成支架状态#3。
可以理解的是，通过外折铰链可以将柔性屏外折，折叠之后柔性屏裸露在外。通过内折铰链可以将柔性屏内折，折叠之后柔性屏隐藏在内。
具体而言，如图2所示，如果第一壳体100和第二壳体200通过外折铰链连接，并且第二壳体200和第三壳体300通过内折铰链连接，当该折叠屏设备处于折叠状态时，柔性屏600的第一平整部601和第一弯折部604裸露在外，柔性屏600的第二平整部602和第三平整部603隐藏在内。
作为另一种方式，第一铰链400为内折铰链，第二铰链500为外折铰链。类似地，在该方式中，该折叠屏设备也可以形成多种支架状态，在此不再赘述。
可以理解的是，根据产品需要，第一铰链400和第二铰链500可以具有相应的结构，从而实现柔性屏600的折叠与展开。
示例性地，第一铰链400和第二铰链500可以均为对称式铰链。例如，第一铰链400可以为对称式门板外折铰链，第二铰链500可以为对称式内折铰链。
如图4中的(a)所示，对于对称式内折铰链，在折叠状态下柔性屏600的形状可以为水滴形。
可选地，内折铰链还可以为高尔夫式铰链。此时，如图4中的(b)所示，在折叠状态下柔性屏600的形状可以为高尔夫形。
或者，可选地，内折铰链还可以为非对称式铰链。此时，如图4中的(c)所示，在折叠状态下柔性屏600的形状可以为非对称水滴形(或者称为偏置水滴形)。
接下来介绍该折叠屏设备的柔性屏。
在本申请实施例中，第一壳体100、第二壳体200和第三壳体300均可以作为柔性屏600的承载体。
为了方便描述，以柔性屏600的法线方向作为厚度方向。
在本申请实施例中，作为一种实现方式，第一平整部601的厚度、第二平整部602的厚度和第三平整部603的厚度可以是相同的。
作为另一种实现方式，该柔性屏600的各个平整部可以是不等厚的。以第一铰链400为外折铰链，第二铰链500为内折铰链为例，结合图2和图5，由于折叠状态下第一平整部601需要进行外折，因此，为了提高第一平整部601在折叠状态下的性能，第一平整部601的厚度可以大于第二平整部602的厚度，并且大于第三平整部603的厚度。例如，可以在第一平整部601的屏幕中增加支撑层，以增加第一平整部601的厚度。
此外，可选地，为了提高折叠状态下第一弯折部604的抗摔性能(即，抗跌落性能)和可靠性，可以在第一弯折部604的屏幕中增加缓冲层。
接下来对第一壳体100、第二壳体200和第三壳体300的厚度进行说明。
如图6中的(a)所示，第一壳体100包括第一顶面101和第一背面102，第一顶面101和第一背面102分别位于该厚度方向的相对两端。在厚度方向上，第一顶面101上的某位置到第一背面102上的对应位置的距离可以称为第一壳体100在该位置的厚度。
类似地，第二壳体200包括第二顶面201和第二背面202，第二顶面201和第二背面202分别位于该厚度方向的相对两端。在厚度方向上，第二顶面201上的某位置到第二背面202上的对应位置的距离可以称为第二壳体200在该位置的厚度。
第三壳体300包括第三顶面301和第三背面302，第三顶面301和第三背面302分别位于该厚度方向的相对两端。在厚度方向上，第三顶面301上的某位置到第三背面302上的对应位置的距离可以称为第三壳体300在该位置的厚度。
在本申请实施例中，第三壳体300的厚度大于第一壳体100的厚度和/或第二壳体200的厚度。其中，壳体的厚度可以理解为：壳体作为一个整体的厚度，或者说壳体在各个位置的平均厚度。
第一种情形：
以第一壳体100在各个位置的厚度相同，第二壳体200在各个位置的厚度相同，第三壳体300在各个位置的厚度相同为例。
情况1：
如图6中的(b)所示，第三壳体300的厚度大于第二壳体200的厚度，第二壳体200的厚度大于第一壳体100的厚度。即，第三壳体300、第二壳体200、第一壳体100的厚度关系可以为厚--中--薄。
在该情况中，该折叠屏设备可以包括两块电池，分别设置在第二壳体200内部和第三壳体300内部。由于第一壳体100内部未设置电池，因此第一壳体100可以做得更薄，从而降低折叠屏设备在折叠状态下的厚度。
情况2：
如图6中的(c)所示，第三壳体300的厚度大于第二壳体200的厚度，第二壳体200的厚度等于第一壳体100的厚度。即，第三壳体300、第二壳体200、第一壳体100的厚度关系可以为厚--中--中。
在该情况中，该折叠屏设备可以包括三块电池，分别设置在三个壳体的内部。相比于情况1，在情况2中第一壳体100内部也设置了电池，从而可以提高折叠屏设备的续航能力。
情况3：
如图6中的(d)所示，第三壳体300的厚度等于第二壳体200的厚度，第二壳体200的厚度大于第一壳体100的厚度。即，第三壳体300、第二壳体200、第一壳体100的厚度关系可以为厚--厚--薄。
在该情况中，该折叠屏设备可以包括两块电池，分别设置在第二壳体200内部和第三壳体300内部。
情况4：
如图6中的(e)所示，第三壳体300的厚度大于第二壳体200的厚度，第三壳体300的厚度等于第一壳体100的厚度。即，第三壳体300、第二壳体200、第一壳体100的厚度关系可以为厚--薄--厚。
在该情况中，该折叠屏设备可以包括两块电池，分别设置在第一壳体100内部和第三壳体300内部。
第二种情形：
上述三个壳体中至少有一个壳体成楔形。壳体成楔形可以理解为：沿X方向，壳体的厚度发生改变。
作为一种方式，如图7中的(a)所示，沿X方向，壳体的厚度可以连续平滑地渐变。此时，厚度的变化率可以基本恒定，若将壳体各个位置的坐标与对应的厚度作为变量构造厚度曲线，该厚度曲线为一斜直线。
以第一壳体100和第三壳体300成楔形为例。
情况1：
如图7中的(b)所示，第一壳体100靠近第一铰链400的一端的厚度小于第一壳体100远离第一铰链400的一端的厚度，第三壳体300靠近第二铰链500的一端的厚度小于第三壳体300远离第二铰链500的一端的厚度。
情况2：
如图7中的(c)所示，第一壳体100靠近第一铰链400的一端的厚度大于第一壳体100远离第一铰链400的一端的厚度，第三壳体300靠近第二铰链500的一端的厚度大于第三壳体300远离第二铰链500的一端的厚度。
根据本申请实施例，将第一壳体和第三壳体设置成楔形，折叠屏设备的手感更好。并且，相比于图7中的(b)，如果采用图7中的(c)所示的方案，该折叠屏设备的手感会进一步提高，并且前置摄像头模组可以设置在远离铰链的位置，使得前置摄像头模组不与铰链的转轴空间发生冲突。
作为另一种方式，如图8中的(a)所示，沿X方向，壳体的厚度也可以发生突变。
如图8中的(b)和(c)所示，假设第一铰链400为内折铰链，第二铰链500为外折铰链，第三壳体300的厚度发生突变，在第三壳体300相对较厚的区域可以布置前置摄像头模组、后置摄像头模组、电池和充电接口中的一项或多项，在第三壳体300相对较薄的区域可以布置主板。
接下来介绍该折叠屏设备的前置摄像头模组。
折叠屏设备包括至少一个前置摄像头模组。第一壳体的内部，和/或，第二壳体的内部，和/或，第三壳体的内部可以用于安装前置摄像头模组。
或者说，前置摄像头模组可以设置在柔性屏600的第一平整部601、第二平整部602和第三平整部603中的一处或多处。
下面以第一铰链400为外折铰链、第二铰链500为内折铰链为例，介绍该折叠屏设备前置摄像头模组的几种可能的布置方式。其中，前置摄像头模组对应的柔性屏挖孔形状可以为圆形，或者方形，或者胶囊形(也称为药丸形、跑道形)，本申请对此不予限制。
方式1：
如图9中的(a)所示，前置摄像头模组可以设置于第一平整部601。此时，可以在该折叠屏设备处于折叠状态的情况下使用该前置摄像头模组；或者，可以在图3所示的支架状态#3下使用该前置摄像头模组。
具体而言，前置摄像头模组可以设置在第一平整部601的任意位置。在一种实施方式中，前置摄像头模组可以设置在第一平整部601的右上角，或者上端中部的位置，从而避免前置摄像头模组和第一铰链的转轴空间发生冲突。
方式2：
如图9中的(b)所示，前置摄像头模组可以设置于第二平整部602。此时，可以在该折叠屏设备处于展开状态的情况下使用该前置摄像头模组。
具体而言，前置摄像头模组可以设置在第二平整部602的任意位置。在一种实施方式中，前置摄像头模组可以设置在第二平整部602的上端中部的位置。相比于将前置摄像头模组设置在第二平整部602的左上角或者右上角，本申请中将前置摄像头模组设置在第二平整部602远离第一铰链和第二铰链的位置，可以避免前置摄像头模组与第一铰链的转轴空间、第二铰链的转轴空间发生冲突。
方式3：
如图9中的(c)所示，前置摄像头模组可以设置于第三平整部603。此时，可以在图3所示的支架状态#1和支架状态#2下使用该前置摄像头模组。
具体而言，前置摄像头模组可以设置在第三平整部603的任意位置。例如，前置摄像头模组可以设置在第三平整部603的左上角，或者第三平整部603的上端中部的位置，从而避免前置摄像头模组和第二铰链的转轴空间发生冲突。
可选地，针对该方式3，为了在图1中的(c)所示的情况下使用该前置摄像头模组，如图10示，可以在第一壳体100、第二壳体200上挖孔。当需要使用设置在第三平整部603上的前置摄像头模组时，可以提高第一平整部601上的区域#1以及第二平整部602上的区域#2的透光率(例如，将区域#1和区域#2设置成透明)，从而使得光线能够穿过第一平整部601和第二平整部602进入前置摄像头模组；当不需要使用该前置摄像头模组时，可以区域#1和区域#2可以正常显示。
具体而言，该折叠屏设备中可以包括处理模块。例如，在用户进行视频通话，或者用户进行自拍时，可以触发相应的指令(或者说，电信号)，处理模块可以根据该指令将区域#1和区域#2设置成透明。
示例性地，该柔性屏600可以为有机发光二极管(organic light-emitting diode，OLED)屏。
方式4：
如图9中的(d)所示，前置摄像头模组可以设置于第一平整部601和第三平整部603。在一种实施方式中，前置摄像头模组设置于第一平整部601的右上角，并且设置于第三平整部603的左上角； 或者，在一种实施方式中，前置摄像头模组设置于第一平整部601的上端中部，并且设置于第三平整部603的上端中部，从而实现双目视觉功能。
可以理解的是，前置摄像头模组的布置方式并不限于上述4种方式，例如，还可以在第一平整部601、第二平整部602和第三平整部603均布置前置摄像头模组。
此外，可选地，考虑到部分型号的前置摄像头模组在厚度方向的尺寸较大，作为一种方式，可以在壳体上设置相应的凸起部位，以安装前置摄像头模组。为了降低整机的厚度，相应地，可以在其他壳体上设置凹陷部位。
例如，如图11所示，当前置摄像头模组设置在第一壳体100上，且第一壳体100与第二壳体200通过外折铰链连接时，可以在第一壳体100上设置凸起部位，在第二壳体200的对应位置设置凹陷部位。可以理解的是，在折叠状态下，该凸起部位可以折叠到该凹陷部位。
作为另一种方式，如果壳体被设置成楔形，前置摄像头模组可以安装在壳体较厚的位置。
例如，针对图7中的(b)所示的情况，当前置摄像头模组安装在第一壳体100上时，前置摄像头模组可以安装在第一壳体100的远离第一铰链400的一侧；当前置摄像头模组安装在第三壳体300上时，前置摄像头模组可以安装在第三壳体300的远离第二铰链500的一侧。
针对图7中的(c)所示的情况，当前置摄像头模组安装在第一壳体100上时，前置摄像头模组可以安装在第一壳体100的靠近第一铰链400的一侧；当前置摄像头模组安装在第三壳体300上时，前置摄像头模组可以安装在第三壳体300的靠近第二铰链500的一侧。
下面对该折叠屏设备的部分内部结构进行说明。
作为一种实现方式，如图12所示，主板303、后置摄像头模组304均设置在第三壳体300的内部。以该折叠屏设备包括三块电池为例，第一电池103设置在第一壳体100的内部，第二电池203设置在第二壳体200的内部，第三电池305设置在第三壳体300的内部。柔性屏600的柔性电路板(flexible printed circuit，FPC)(图12中未示出)也可以设置在第三壳体300的内部。
可以理解的是，本申请对第一电池103、第二电池203和第三电池305的外形尺寸不做限定。三块电池的外形尺寸可以相同，也可以有所区别。作为一种可能情况，电池的厚度可以与壳体的厚度相匹配。也就是说，电池的厚度越大，相应地壳体的厚度也可以越大。
可选地，该折叠屏设备可以只有两块电池。该两块电池的外形尺寸可以相同，也可以有所区别。
或者，该折叠屏设备可以只有一块电池，例如只在第三壳体300内部设置电池。
应理解，如果将柔性屏600的FPC与主板303设置在不同的壳体内，则柔性屏600的FPC与主板303连接时需要穿过铰链(或者说需要跨轴)，从而增加了内部结构的复杂度。相比与此，本申请实施例将柔性屏600的FPC与主板303均设置在第三壳体300内，柔性屏600的FPC可以在第三壳体300内与主板303连接，从而避免了跨轴。
在本申请实施例中，主板303可以设置成L型，主板303与第三电池305在第三壳体300的内部可以成左右布局。
可以理解的是，片上系统(system on chip，SoC)芯片306可以与主板303电连接。作为一种实现方式，SoC芯片306设置在远离第三壳体300的边框的位置。并且，SoC芯片306与柔性屏600的FPC在厚度方向上不重叠，从而可以降低折叠屏设备的厚度，也可以降低SoC芯片306工作时产生的热量对柔性屏600的影响。
作为一种布置方式，如图13所示，由于后置摄像头模组304的厚度通常较大，可以在后置摄像头模组304附近设置架高板，该架高板用于安装SoC芯片，该架高板下面的空间还可以安装其他器件，从而节省内部空间。
此外，该折叠屏设备还可以包括至少一个扬声器。当该折叠屏设备包括多个扬声器时，可以实现立体音效。
以该折叠屏设备包括两个扬声器为例。如图12所示，第一扬声器104可以设置于第一壳体100内部，第二扬声器307可以设置于第三壳体300内部。第一扬声器104和第二扬声器307分别位于相对的两端。例如，第一扬声器104位于第一壳体100的上端，第二扬声器307位于第三壳体300的下端。
其中，第一扬声器104可以通过FPC(图12中未示出)与第三壳体300中的主板303连接。此时，该FPC穿过了第一铰链400和第二铰链500。
下面介绍该折叠屏设备的天线布置方式。
在本申请实施例中，可以在第三壳体300的边框上设置多条缝隙，该多条缝隙用于分隔出不同的天线。例如，可以在第三壳体300的边框上设置7条缝隙。
此外，可选地，还可以在第一壳体100的边框和/或第二壳体200的边框上设置缝隙，以安装天线，从而进一步提升折叠屏设备的通信能力。可以理解的是，如果在第一壳体100的边框和/或第二壳体200的边框上安装天线，这些天线与第三壳体300中的主板303电连接时需要穿过铰链(或者说需要跨轴)。
可以理解的是，如果在第一壳体100的边框上安装天线，天线与第三壳体300中的主板303电连接时需要跨两次轴；如果在第二壳体200的边框上安装天线，天线与第三壳体300中的主板303电连接时需要跨一次轴。因此，为了减少跨轴的次数，可以在第二壳体的边框上设置天线。例如，如图12所示，可以在第二壳体200的上边框和下边框分别设置天线。
下面介绍该折叠屏设备的开合方式。
方式1：
用户可以用手将该折叠屏设备展开，也可以用手将该折叠屏设备折叠起来。
方式2：
基于电动展开与手动展开相结合的方式，将该折叠屏设备展开。基于手动折叠的方式将该折叠屏设备折叠起来。
其中，电动展开是基于磁极实现的。具体地，当两个磁性部件的极性相反的磁极互相面向时，两个磁性部件相互吸附；当两个磁性部件的极性相同的磁极互相面向时，两个磁性部件相互排斥。
应理解，本申请中涉及的磁性部件可以是电磁铁、永磁铁等磁性部件。
下面结合图14详细介绍本申请实施例中如何利用磁极吸附原理，实现壳体之间的吸附和排斥。
(1)基于磁感线圈的磁极吸附。
如图14(a)所示，包括三个磁感线圈，具体地，每个磁感线圈包括两个磁极面(北(north，N)极，和南(south，S)极)。
如图14(a)中的左侧所示，第一磁感线圈和第二磁感线圈相互吸附，第二磁感线圈和第三磁感线圈相互吸附。若第一磁感线圈设置于第一壳体中，第二磁感线圈设置于第二壳体中，第三磁感线圈设置于第三壳体中，则第一壳体和第二壳体相互吸附，第二壳体和第三壳体相互吸附。
如图14(a)中的右侧所示，通过改变第二磁感线圈的电流方向，可以使得第一磁感线圈和第二磁感线圈相互排斥，第二磁感线圈和第三磁感线圈相互排斥。若第一磁感线圈设置于第一壳体中，第二磁感线圈设置于第二壳体中，第三磁感线圈设置于第三壳体中，则第一壳体和第二壳体相互排斥，第二壳体和第三壳体相互排斥。
(2)基于磁铁和电动机构的磁极吸附。
如图14(b)所示，包括三个磁铁，具体地，每个磁铁包括两个磁极面(N极和S极)。
如图14(b)中的左侧所示，第一磁铁与第二磁铁相互吸附，第二磁铁与第三磁铁相互吸附。若第一磁铁设置于第一壳体中，第二磁铁和第四磁铁设置于第二壳体中，第三磁铁设置于第三壳体中，则第一壳体和第二壳体相互吸附，第二壳体和第三壳体相互吸附。
如图14(b)中的右侧所示，通过电动机构推动第二磁铁和第四磁铁，使得第一磁铁与第四磁铁相互排斥，第四磁铁与第三磁铁相互排斥。若第一磁铁设置于第一壳体中，第二磁铁和第四磁铁设置于第二壳体中，第三磁铁设置于第三壳体中，则第一壳体和第二壳体相互排斥，第二壳体和第三壳体相互排斥。
如图14(c)所示，包括三个磁铁，具体地，每个磁铁包括两个磁极面(N极和S极)。
如图14(c)中的左侧所示，第一磁铁与第二磁铁相互吸附，第二磁铁与第三磁铁相互吸附。若第一磁铁设置于第一壳体中，第二磁铁设置于第二壳体中，第三磁铁设置于第三壳体中，则第一壳体和第二壳体相互吸附，第二壳体和第三壳体相互吸附。
如图14(c)中的右侧所示，通过电动机构推动第二磁铁，使得第一磁铁与第二磁铁相互排斥，第二磁铁与第三磁铁相互排斥。若第一磁铁设置于第一壳体中，第二磁铁设置于第二壳体中，第三磁铁设置于第三壳体中，则第一壳体和第二壳体相互排斥，第二壳体和第三壳体相互排斥。
基于图14(c)所示的原理，如图15所示，在第一壳体100中设置第一磁铁105，在第二壳体200 中设置第二磁铁204，在第三壳体300中设置第三磁铁308。此外，在该折叠屏设备上设置开关(图15中未示出)。其中，第一磁铁105在第一壳体100中的位置是固定的，第三磁铁308在第三壳体300中的位置也是固定的。第二磁铁104与电动机构连接。示例性地，该电动机构也可以设置在第二壳体200中。该开关用于通过该电动机构调整第二磁铁204在第二壳体200中的位置，也就是说，第二磁铁204在第二壳体200中的位置可以改变。例如，当三个磁铁中N极与S极的连线均与X方向平行时，第二磁铁204可以沿X方向移动。又例如，当三个磁铁中N极与S极的连线均与Y方向平行时，第二磁铁204可以沿Y方向移动，该例子图15未示出。
在折叠状态下，第一磁铁105和第二磁铁204相互吸引，并且第二磁铁204和第三磁铁308相互吸引。
如图15所示，用户可以通过该开关控制电动机构，使得该电动机构带动第二磁铁204移动，从而将第二磁铁204的位置与第一磁铁105和第三磁铁308错开。在错开之后，第一磁铁的N极与第二磁铁的N极相对，第二磁铁的N极与第三磁铁的N极相对；或者，第一磁铁的S极与第二磁铁的S极相对，第二磁铁的S极与第三磁铁的S极相对，从而通过磁铁之间相互排斥的磁力将折叠屏设备展开成Z字型。进一步地，用户手动将折叠屏设备展开。
示例性地，该开关可以为实体开关或虚拟开关。例如，在第三壳体300上设置实体开关，用户可以通过该实体开关，将折叠屏设备展开成Z字型。或者，可以在外折转轴区设置虚拟开关，用户可以用手指在外折转轴区滑动，以将折叠屏设备展开成Z字型。
作为一种可能的实现方式，当需要将该折叠屏设备展开成Z字型时，用户可以通过该开关触发一个电信号，该电信号可以通过处理器传输到电动装置，进而电动装置可以根据该电信号开始工作，从而带动第二磁铁204移动。
可以理解的是，通过电动展开与手动展开相结合的方式，可以给用户提供更好的体验。
此外，在展开状态下，如图16所示，内折铰链两侧的两个壳体的中框可以为对碰设计；如图17所示，外折铰链的转轴盖与外折铰链两侧的两个壳体可以为齐平设计，从而使该折叠屏设备在展开状态下更美观，手感更好。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (11)

  1. 一种折叠屏设备，其特征在于，包括第一壳体、第二壳体、第三壳体、第一铰链、第二铰链和柔性屏；
    其中，所述第一铰链的相对两端分别与所述第一壳体和所述第二壳体连接，所述第二铰链的相对两端分别与所述第二壳体和所述第三壳体连接，所述柔性屏分别与所述第一壳体、所述第二壳体和所述第三壳体连接；
    所述第一铰链能够发生形变，使得所述第一壳体相对于所述第二壳体折叠或展开，所述第二铰链能够发生形变，使得所述第二壳体相对于所述第三壳体折叠或展开；
    所述第三壳体的厚度大于所述第一壳体的厚度和/或所述第二壳体的厚度，且所述第一壳体的厚度与所述第二壳体的厚度不同。
  2. 根据权利要求1所述的折叠屏设备，其特征在于，所述第三壳体的厚度大于所述第一壳体的厚度和/或所述第二壳体的厚度，且所述第一壳体的厚度与所述第二壳体的厚度不同，包括：
    所述第三壳体的厚度大于所述第二壳体的厚度，所述第二壳体的厚度大于所述第一壳体的厚度；或者，
    所述第三壳体的厚度等于所述第二壳体的厚度，所述第二壳体的厚度大于所述第一壳体的厚度；或者，
    所述第三壳体的厚度大于所述第二壳体的厚度，所述第三壳体的厚度等于所述第一壳体的厚度。
  3. 根据权利要求1所述的折叠屏设备，其特征在于，所述第一壳体和所述第三壳体均为楔形。
  4. 根据权利要求3所述的折叠屏设备，其特征在于，所述第一壳体靠近所述第一铰链的一端的厚度小于所述第一壳体远离所述第一铰链的一端的厚度，所述第三壳体靠近所述第二铰链的一端的厚度小于所述第三壳体远离所述第二铰链的一端的厚度。
  5. 根据权利要求3所述的折叠屏设备，其特征在于，所述第一壳体靠近所述第一铰链的一端的厚度大于所述第一壳体远离所述第一铰链的一端的厚度，所述第三壳体靠近所述第二铰链的一端的厚度大于所述第三壳体远离所述第二铰链的一端的厚度。
  6. 根据权利要求1-5中任一项所述的折叠屏设备，其特征在于，所述折叠屏设备包括至少一个前置摄像头模组；
    所述第一壳体的内部，和/或，所述第二壳体的内部，和/或，所述第三壳体的内部用于安装所述前置摄像头模组。
  7. 根据权利要求1-6中任一项所述的折叠屏设备，其特征在于，所述第一壳体内部包括第一电池，所述第二壳体内部包括第二电池，所述第三壳体内部包括第三电池、主板、后置摄像头模组和所述柔性屏的柔性电路板FPC。
  8. 根据权利要求1-7中任一项所述的折叠屏设备，其特征在于，所述第一壳体内部包括第一扬声器，所述第三壳体内部包括第二扬声器。
  9. 根据权利要求1-8中任一项所述的折叠屏设备，其特征在于，所述第三壳体的边框、所述第二壳体的上边框和所述第二壳体的下边框用于安装多根天线。
  10. 根据权利要求1-9中任一项所述的折叠屏设备，其特征在于，所述第一壳体内部包括第一磁铁，所述第二壳体内部包括第二磁铁和电动装置，所述第三壳体内部包括第三磁铁，所述折叠屏设备还包括开关；
    所述开关用于通过所述电动装置带动所述第二磁铁移动，使得所述第一磁铁与所述第二磁铁相互排斥，所述第二磁铁与所述第三磁铁相互排斥，使得所述折叠屏设备从折叠状态展开成Z字型。
  11. 根据权利要求1-9中任一项所述的折叠屏设备，所述第一铰链为外折铰链，所述第二铰链为内折铰链；
    所述柔性屏包括第一平整部、第二平整部和第三平整部，所述第一平整部与所述第一壳体连接，所述第二平整部与所述第二壳体连接，所述第三平整部与所述第三壳体连接；
    所述第一平整部的厚度大于所述第二平整部的厚度，并且大于所述第三平整部的厚度。
PCT/CN2023/119094 2022-09-27 2023-09-15 折叠屏设备 WO2024067163A1 (zh)

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