WO2021169697A1 - 显示模组及电子设备 - Google Patents

显示模组及电子设备 Download PDF

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Publication number
WO2021169697A1
WO2021169697A1 PCT/CN2021/073535 CN2021073535W WO2021169697A1 WO 2021169697 A1 WO2021169697 A1 WO 2021169697A1 CN 2021073535 W CN2021073535 W CN 2021073535W WO 2021169697 A1 WO2021169697 A1 WO 2021169697A1
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WO
WIPO (PCT)
Prior art keywords
metal plate
elongated
holes
hole
display module
Prior art date
Application number
PCT/CN2021/073535
Other languages
English (en)
French (fr)
Inventor
吕城龄
黄聪
陈文红
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
Priority to EP21761665.5A priority Critical patent/EP4087221A4/en
Priority to US17/801,060 priority patent/US20230082293A1/en
Priority to JP2022551548A priority patent/JP7393558B2/ja
Publication of WO2021169697A1 publication Critical patent/WO2021169697A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216Foldable in one direction, i.e. using a one degree of freedom hinge
    • H04M1/022The hinge comprising two parallel pivoting axes
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1613Constructional details or arrangements for portable computers
    • G06F1/1615Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616Constructional 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
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1613Constructional details or arrangements for portable computers
    • G06F1/1633Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652Details 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
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1613Constructional details or arrangements for portable computers
    • G06F1/1633Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1656Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1613Constructional details or arrangements for portable computers
    • G06F1/1633Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1675Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681Details related solely to hinges
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026Details of the structure or mounting of specific components
    • H04M1/0266Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K77/00Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
    • H10K77/10Substrates, e.g. flexible substrates
    • H10K77/111Flexible substrates
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2102/00Constructional details relating to the organic devices covered by this subclass
    • H10K2102/301Details of OLEDs
    • H10K2102/311Flexible OLED

Definitions

  • This application relates to the technical field of electronic equipment, and in particular to a display module and electronic equipment.
  • the flexible display screen has the advantages of being light and thin, not fragile, foldable, and rollable
  • the flexible display screen is widely used in electronic products such as mobile phones.
  • the rigidity of the flexible display screen is poor, and surface collapse is prone to occur. Therefore, a support sheet is provided on the bottom side of the traditional flexible display screen to use the support sheet to support the flexible display screen, so as to solve the problem of surface collapse of the flexible display screen.
  • the support sheet restricts the bending of the flexible display screen, making it difficult for the mobile phone to be folded.
  • the thickness of the support sheet is relatively thin, although the support sheet does not limit the bending of the flexible display screen, the structural strength of the too thin support sheet is insufficient to support the flexible display screen well.
  • the present application provides a display module and an electronic device with a support member that is easy to fold and has sufficient support strength.
  • this application provides a display module.
  • the display module includes a display screen and a support.
  • the display screen includes a first non-bending area, a bending area, and a second non-bending area connected in sequence.
  • the bending area is connected between the first non-bending area and the second non-bending area.
  • the supporting member is fixed to the non-display side of the display screen.
  • the support includes a first metal plate, a second metal plate, and a third metal plate that are connected in sequence.
  • the second metal plate is connected between the first metal plate and the third metal plate.
  • the first metal plate member is disposed facing the first non-bending area.
  • the second metal plate member is disposed facing the bending area.
  • the third metal plate member is disposed facing the second non-bending area.
  • the second metal plate can be bent.
  • the second metal plate is provided with at least two first long strip through hole groups.
  • the at least two first elongated through hole groups are arranged in the first direction.
  • Each of the first elongated through hole groups includes a plurality of first elongated through holes.
  • Each of the first elongated through holes extends along the first direction.
  • the plurality of first elongated through holes in the same first elongated through hole group are arranged at intervals in a second direction, and the second direction is different from the first direction.
  • Each of the first elongated through holes includes a first end portion, a middle portion, and a second end portion that are connected in sequence. In the second direction, the widths of the first end portion and the second end portion are both greater than the width of the middle portion.
  • each of the first elongated through hole groups includes a plurality of first elongated through holes, thereby avoiding The stress of the second metal plate is excessively concentrated, thereby ensuring that the second metal plate has better flexibility.
  • the second metal plate has less influence on the bending of the display screen.
  • the first elongated through hole when the first elongated through hole is set to be substantially dumbbell-shaped, on the one hand, because the width of the middle portion of the first elongated through hole is relatively short, in the second direction, two adjacent first through holes are adjacent to each other. There is more material left between a long strip of through holes. In this way, the second metal plate has sufficient strength; on the other hand, because the width of the first end portion and the width of the second end portion are larger, the volume of the first elongated through hole will not be affected by the width of the middle portion. Smaller and smaller. In this way, while the second metal plate has sufficient strength, the flexibility of the second metal plate will not be significantly reduced. In other words, the hardness of the second metal plate of this embodiment is relatively moderate.
  • the second metal plate has sufficient hardness to support the bending area of the display screen, so as to prevent the bending area of the display screen from collapsing, that is, to ensure that the display screen has Better surface flatness.
  • the second metal plate has better flexibility, the second metal plate has less influence on the bending of the display screen.
  • first support plate, the second support plate, and the third support plate of the rotating device are generally provided with more grooves or through holes.
  • the groove or the through hole can be used as an escape space for components or for locking fasteners.
  • the second metal plate can resist the pressing force of the groove or the peripheral edge of the through hole against the second metal plate, thereby preventing the optical glue from being excessively compressed. Protruding to avoid problems such as dark spots or bright lines on the display.
  • the length of the first end portion is smaller than the length of the middle portion.
  • the length of the second end portion is less than the length of the middle portion.
  • the length of the middle part of the first elongated through hole is longer, the length of the first end part and the length of the second end part are both shorter, so in the second direction, two adjacent first long holes The remaining material between the through holes is further increased. In this way, the strength of the second metal plate is better. At this time, when the second metal plate has sufficient strength, the second metal plate can resist the pressing force of the groove or the peripheral edge of the through hole against the second metal plate, thereby preventing the optical glue from being excessively compressed. Protruding to avoid problems such as dark spots or bright lines on the display.
  • the middle part is a strip hole.
  • the first end and the second end are both circular holes. At this time, the preparation process of the first long through hole is simple and easy to operate.
  • the widths of the first end and the second end are both in the range of 0.15 mm to 0.3 mm.
  • the width of the middle part is in the range of 0.1 mm to 0.2 mm.
  • the lengths of the first end and the second end are both in the range of 0.15 mm to 3 mm.
  • the length of the middle part is in the range of 4.5 mm to 6.5 mm. It is understandable that under the first elongated through hole of this size, the second metal plate has both better flexibility and better strength.
  • the width of the interval portion of the second metal plate between the two adjacent first elongated through holes is in the range of 0.2 mm to 0.3 mm . In this way, in the second direction, there is more material left between two adjacent first elongated through holes, so as to ensure that the second metal plate has better strength.
  • the length of the interval portion of the second metal plate between the two adjacent first elongated through holes is in the range of 0.4 mm to 0.6 mm .
  • the plurality of first elongated through holes of two adjacent first elongated through hole groups are arranged crosswise. In this way, when the cross-section is made along the Y-axis direction at most positions on the second metal plate, the second metal plate is divided into multiple parts by the first elongated through hole, that is, the second metal plate has no continuous part . At this time, the flexibility of the second metal plate is further improved. In this way, when the electronic device is unfolded or folded, the second metal plate has better flexibility, and the second metal plate has less influence on the bending of the display screen.
  • the second metal plate is provided with two second long strip through hole groups.
  • Each of the second elongated through hole groups includes a plurality of second elongated through holes extending in the first direction.
  • the plurality of second elongated through holes in the same second elongated through hole group are arranged at intervals in the second direction.
  • the second metal plate member includes a first side surface and a second side surface disposed opposite to each other.
  • One of the second elongated through hole groups is arranged close to the first side surface, and each of the second elongated through holes penetrates the first side surface.
  • the other second elongated through hole group is arranged close to the second side surface, and each of the second elongated through holes penetrates the second side surface.
  • each of the second elongated through hole groups includes a plurality of second elongated through holes
  • the second elongated through hole group is further avoided.
  • the stress of the metal plate is excessively concentrated, thereby ensuring that the second metal plate has better flexibility. In other words, when the electronic device is in the process of unfolding or folding, because the second metal plate has better flexibility, the second metal plate has less influence on the bending of the display screen.
  • each of the second elongated through holes passing through one second elongated through hole group penetrates the first side surface of the second metal plate.
  • Each of the second elongated through holes of the other second elongated through hole group penetrates the second side surface of the second metal plate, thereby preventing local stress concentration on the side of the second metal plate.
  • the second elongated through hole can absorb the stress of the display module during the bending process, that is, to prevent the side portion of the second metal plate from causing a display mold due to excessive stress.
  • the group is not easy to bend.
  • each of the second elongated through holes includes a third end portion and a main body portion that are communicated with each other.
  • the main body penetrates the first side surface or the second side surface.
  • the width of the third end portion is greater than the width of the main body portion.
  • the second elongated through hole when the second elongated through hole is arranged in a substantially match shape, on the one hand, because the width of the main body of the second elongated through hole is relatively short, in the second direction, the second long There is more material left between the through-holes and the adjacent first through-holes. In this way, the strength of the second metal plate is further improved. On the other hand, because the width of the third end portion is longer, the volume of the second elongated through hole is not reduced due to the smaller width of the main body portion. In this way, while the second metal plate has sufficient strength, the flexibility of the second metal plate will not be significantly reduced.
  • the length of the third end portion is smaller than the length of the main body portion.
  • the length of the main body of the second elongated through hole is longer, and the length of the third end is shorter. Therefore, in the second direction, there is a gap between two adjacent second elongated through holes. Expected to increase further. In this way, the strength of the second metal plate is better. In this way, when the second metal plate has sufficient strength, the second metal plate can resist the pressing force of the peripheral edge of the groove or the through hole against the second metal plate, thereby preventing the optical glue from being convex due to excessive compression. To avoid problems such as dark spots or bright lines on the display screen.
  • the supporting member further includes a fourth metal plate and a fifth metal plate facing the bending area of the display screen, and the first metal plate, the fourth metal plate, and the second metal plate Five metal plates, a second metal plate, and the third metal plate are connected in sequence.
  • the fourth metal plate is provided with the at least two first long strip through hole groups.
  • the fourth metal plate is provided with a plurality of first elongated through hole groups, the overall hardness and rigidity of the fourth metal plate is relatively moderate, that is, the partial area of the support has better flexibility sex. At this time, the number of regions with better flexibility of the support can be increased. Therefore, when the supporting member is fixed to the display screen, the fourth metal plate member may also be fixed to the area with a larger bending angle in the bending area of the display screen, so as to ensure that the bending area of the display screen has a better bending effect. In addition, the fifth metal plate can be fixed to the area with a smaller bending angle in the bending area of the display screen, so as to ensure that the support has sufficient strength to support the display screen.
  • the thickness of the support is in the range of 0.1 mm to 0.5 mm.
  • the thickness of the support member is moderate, so as to ensure that the support member has better rigidity and flexibility, but also prevent the support member from increasing the thickness of the display module to a large extent.
  • the supporting member further includes a buffer member.
  • the buffer member is arranged in each of the first elongated through holes, and is connected to the second metal plate member.
  • the buffer can absorb part of the groove or the through hole.
  • the squeezing force of the periphery of the hole on the second metal plate prevents the optical glue from protruding due to excessive squeezing, thereby avoiding problems such as black spots or bright lines on the display screen.
  • the support member does not have a hollow area due to the first elongated through hole, so that the support member has a strong integrity.
  • the supporting member has sufficient strength to resist the pressing force of the peripheral edge of the groove or the through hole against the second metal plate, thereby preventing the optical glue from bulging due to excessive pressing, thereby avoiding black spots or bright spots on the display screen. Line and other issues.
  • this application provides an electronic device.
  • the electronic device includes a first housing, a second housing and the above-mentioned display module.
  • the first non-bending area of the display screen of the display module is fixed to the first housing.
  • the second non-bending area is fixed to the second housing.
  • the first housing and the second housing can be relatively folded to a closed state, and can also be relatively expanded to an open state. When the first housing and the second housing are in a closed state, the bending area and the second metal plate are bent.
  • the support has the advantages of being easy to fold and having sufficient support strength.
  • the display module and the electronic device are also easy to fold and the overall strength is relatively stable.
  • FIG. 1 is a schematic structural diagram of an electronic device in an open state according to an embodiment of the present application
  • Fig. 2 is a schematic structural diagram of the electronic device shown in Fig. 1 in a closed state
  • FIG. 3 is a partially exploded schematic diagram of the electronic device shown in FIG. 1;
  • FIG. 4 is a schematic diagram of the rotating device of the electronic device shown in FIG. 3 being installed on the first housing and the second housing;
  • FIG. 5 is an exploded schematic diagram of the display module of the electronic device shown in FIG. 4;
  • FIG. 6 is a schematic cross-sectional view of the display module of the electronic device shown in FIG. 4 in a closed state;
  • FIG. 7 is a schematic partial cross-sectional view of an embodiment of the display module of the electronic device shown in FIG. 4 at line A-A;
  • FIG. 8 is a partial structural diagram of a second metal plate of the display module shown in FIG. 7;
  • Fig. 9 is an enlarged schematic diagram of the second metal plate shown in Fig. 8 at B;
  • Fig. 10 is an enlarged schematic view of the second metal plate shown in Fig. 8 at C;
  • Fig. 11 is a schematic partial cross-sectional view of another embodiment of the display module of the electronic device shown in Fig. 4 at line A-A;
  • FIG. 12 is a schematic partial cross-sectional view of another embodiment of the display module of the electronic device shown in FIG. 4 at the line A-A.
  • FIG. 1 is a schematic structural diagram of an electronic device in an open state according to an embodiment of the present application.
  • the electronic device 100 may be a tablet computer, a mobile phone, a camera, a personal computer, a notebook computer, a vehicle-mounted device, or a wearable device.
  • the electronic device 100 of the embodiment shown in FIG. 1 is described by taking a mobile phone as an example.
  • the width direction of the electronic device 100 is defined as the X axis.
  • the length direction of the electronic device 100 is the Y axis.
  • the thickness direction of the electronic device 100 is the Z axis.
  • FIG. 2 is a schematic structural diagram of the electronic device shown in FIG. 1 in a closed state.
  • the electronic device 100 includes a first housing 10, a second housing 20 and a display module 30.
  • the first housing 10 and the second housing 20 can be relatively expanded to be in an open state.
  • the first housing 10 and the second housing 20 can also be relatively folded to be in a closed state.
  • the first housing 10 and the second housing 20 can switch mutually between the closed state and the open state.
  • FIG. 1 illustrates that the electronic device 100 is in an open state.
  • FIG. 2 illustrates that the electronic device 100 is in a closed state.
  • the first housing 10 and the second housing 20 are expanded and folded relative to the X-axis direction as an example for description.
  • the display module 30 can be used to display images, text, videos, and the like.
  • the display module 30 includes a first part 34, a second part 35, and a third part 36 connected in sequence.
  • the second part 35 is connected between the first part 34 and the third part 36.
  • the first part 34, the second part 35 and the third part 36 are all located on the same side of the first housing 10 and the second housing 20.
  • the first part 34 is fixed to the first housing 10.
  • the second part 35 is located between the first housing 10 and the second housing 20.
  • the third part 36 is fixed to the second housing 20.
  • the arrangement direction of the first part 34, the second part 35 and the third part 36 is the Y-axis direction.
  • the second part 35 can be bent with the X axis as the axis.
  • the first part 34, the second part 35 and the third part 36 are approximately 180° (a slight deviation is allowed, such as 165°, 177° or 185°).
  • the display module 30 has a continuous large-area display area, that is, the display module 30 can realize a large-screen display, and the user experience is better.
  • the display modules 30 are folded with each other. Specifically, the second part 35 is bent. The first part 34 and the third part 36 overlap each other. At this time, the expanded area of the display module 30 is small, which is beneficial to reduce the probability of damage to the display module 30.
  • FIG. 2 illustrates that when the electronic device 100 is in the closed state, the display module 30 is located between the first housing 10 and the second housing 20, that is, the display module 30 can be folded inward.
  • the first housing 10 and the second housing 20 can also be located between the first part 34 and the third part 36, that is, the display module 30 can be folded outward.
  • FIG. 1 and FIG. 2 both show that the electronic device 100 can be folded once.
  • the electronic device 100 may also be folded multiple times, that is, the display module 20 may include multiple parts. Every two parts can be folded into each other.
  • FIG. 3 is a partially exploded schematic diagram of the electronic device 100 shown in FIG. 1.
  • 4 is a schematic diagram of the rotating device of the electronic device shown in FIG. 3 being mounted on the first housing and the second housing.
  • the electronic device 100 further includes a rotating device 40.
  • the rotating device 40 rotatably connects the first housing 10 and the second housing 20.
  • the rotating device 40 can relatively rotate the first housing 10 and the second housing 20 to be folded or unfolded.
  • the rotating device 40 is located between the first housing 10 and the second housing 20, and the rotating device 40 is disposed opposite to the second part 35 of the display module 30.
  • the rotating device 40 includes a first supporting plate 41, a second supporting plate 42 and a third supporting plate 43.
  • the second supporting plate 42 is located between the first supporting plate 41 and the third supporting plate 43.
  • the first supporting plate 41, the second supporting plate 42 and the third supporting plate 43 are arranged facing the second part 35 of the display module 30.
  • one side of the second supporting plate 42 is movably connected to the first supporting plate 41.
  • the other side of the second supporting plate 42 is also movably connected to the third supporting plate 43.
  • the movable connection may be a rotating connection, a sliding connection, a rotating and sliding connection, or a detachable snap-fit connection.
  • the first support plate 41, the second support plate 42 and the third support plate 43 can move with each other.
  • the side of the first support plate 41 facing away from the second support plate 42 is rotatably connected to the first housing 10.
  • the third supporting plate 43 is rotatably connected to the second housing 20 on a side facing away from the second supporting plate 42. At this time, through the mutual cooperation of the first support plate 41, the second support plate 42 and the third support plate 43, the first housing 10 and the second housing 20 can be relatively rotated to be folded or unfolded.
  • the first support plate 41, the second support plate 42 and the third support plate 43 jointly support the second part 35 of the display module 30.
  • FIG. 5 is an exploded schematic diagram of the display module of the electronic device shown in FIG. 4.
  • the display module 30 includes a display screen 31 and a support 32.
  • the display screen 31 is used to display images, text, videos, and the like.
  • the display screen 31 adopts a flexible display screen.
  • the display screen 31 may be an organic light-emitting diode (OLED) display screen, an active-matrix organic light-emitting diode or an active-matrix organic light-emitting diode (AMOLED).
  • OLED organic light-emitting diode
  • AMOLED active-matrix organic light-emitting diode
  • Display mini organic light-emitting diode display, micro organic light-emitting diode display, micro organic light-emitting diode display, quantum dot light-emitting diode (Quantum dot light emitting diodes, QLED) display screens.
  • the display screen 31 includes a first non-bending area 3181, a bending area 3182, and a second non-bending area 3183 that are connected in sequence, that is, the bending area 3182 is connected to the first non-bending area 3181. Between the non-bending area 3181 and the second non-bending area 3183.
  • the first non-bending area 3181 is a part of the first portion 34 of the display module 30.
  • the bending area 3182 is a part of the second part 35.
  • the second non-bending area 3183 is a part of the third portion 36.
  • the bending area 3182 can be bent.
  • FIG. 6 is a schematic diagram of the display module of the electronic device shown in FIG. 4 in a closed state.
  • the bending area 3182 is bent, the first non-bending area 3181 and the second non-bending area 3183 are arranged facing each other, and the first non-bending area 3181 and the second non-bending area 3183 are arranged facing each other. Partially overlap or completely overlap.
  • FIG. 6 shows that the bending area 3182 is roughly in the shape of a water drop. In other embodiments, the shape of the bending area 3182 may also be semi-annular.
  • FIG. 7 is a schematic partial cross-sectional view of an embodiment of the display module of the electronic device shown in FIG. 4 at the line A-A.
  • the first non-bending area 3181, the bending area 3182, and the second non-bending area 3183 are approximately 180° (a slight deviation is allowed, such as 165°, 177°, or 185°).
  • the display screen 31 may include a back film 311, a display panel 312, a polarizer 313 (Polarizer, POL), and a protective cover 314 that are stacked in sequence.
  • the display panel 312 is located between the back film 311 and the polarizer 313.
  • the protective cover 314 is fixed on the surface of the polarizer 313 away from the display panel 312.
  • the back film 311 can be used to support the display panel 312.
  • the display panel 312 is used for displaying images and videos.
  • the protective cover 314 is used to protect the polarizer 313, the display panel 312, and the like.
  • the display screen 31 also includes an optical glue 315.
  • the optical glue 315 is fixed between the polarizer 313 and the protective cover 314.
  • the optical glue 315 can not only make the display light emitted by the display panel 312 propagate to the outside of the electronic device 100, but also improve the flexibility of the display module 30.
  • the display screen 31 may be a touch screen.
  • the display screen 31 can be used to generate a touch signal according to a user's touch action. Specifically, when the user clicks an icon of the camera software on the display screen 31, the display screen 31 can generate a touch signal according to the user's click action, and transmit the touch signal to the processor of the electronic device 100 (not shown).
  • the processor receives the touch signal, and opens the camera software according to the touch signal.
  • the processor can be installed in the first housing 10 (see FIG. 4), and can also be installed in the second housing 20 (see FIG. 4).
  • the display panel 312 may have a touch function, that is, the display panel 312 has a function of a touch panel.
  • the on-cell technology is used to embed the touch panel on the light-emitting layer of the display panel 312.
  • the display panel 312 may not have a touch function.
  • the display screen 31 also includes a touch panel (not shown). The touch panel can be fixed between the protective cover 314 and the polarizer 313, or between the polarizer 313 and the display panel 312.
  • the display screen 31 includes an outer surface 316 and an inner surface 317 disposed opposite to each other.
  • the outer surface 316 of the display screen 31 refers to the surface of the display screen 31 facing the user when the user normally uses the electronic device 100, that is, the display side of the display screen 31.
  • the inner surface 317 of the display screen 31 refers to the surface of the display screen 31 facing the inside of the electronic device 100 when the display module 30 is installed in the first housing 10 and the second housing 20, that is, the non-display of the display screen 31 side.
  • the support 32 is fixed to the inner surface 317 of the display screen 31.
  • the support 32 is used to support the display screen 31 to improve the overall strength of the display module 30.
  • the supporting member 32 may be fixed to the inner surface 317 of the display screen 31 by OCA optical glue, PVB glue, foam glue or a combination thereof.
  • FIG. 7 shows that an optical glue 39 is provided between the support 32 and the inner surface 317 of the display screen 31.
  • the height H1 of the support 32 is in the range of 0.1 mm to 0.5 mm.
  • the thickness of the supporting member 32 is moderate, so as to ensure that the supporting member 32 has better rigidity and flexibility, but also to prevent the supporting member 32 from increasing the thickness of the display module 30 to a large extent.
  • the height H1 of the support 32 may also be in other numerical ranges.
  • the supporting member 32 includes a first metal plate 321, a second metal plate 322, and a third metal plate 323 connected in sequence.
  • the second metal plate 322 is connected between the first metal plate 321 and the third metal plate 323.
  • the first metal plate 321, the second metal plate 322, and the third metal plate 323 are distinguished by dotted lines.
  • the first metal plate 321, the second metal plate 322, and the third metal plate 323 are integrally formed, that is, the first metal plate 321, the second metal plate 322, and the third metal
  • the plate 323 is an integral structure. At this time, the connection strength between the first metal plate 321, the second metal plate 322, and the third metal plate 323 is better.
  • the forming steps of the first metal plate 321, the second metal plate 322, and the third metal plate 323 are fewer, which can reduce the investment cost of the support 42.
  • first metal plate 321, the second metal plate 322, and the third metal plate 323 that are connected in sequence are formed on an integral plate through a CNC machining process.
  • first metal plate 321, the second metal plate 322, and the third metal plate 323 that are connected in sequence may also be formed through an injection molding process or chemical corrosion.
  • first metal plate 321, the second metal plate 322, and the third metal plate 323 may also be formed by welding or snap-fit connection.
  • the first metal plate 321, the second metal plate 322, and the third metal plate 323 are formed at one time. It can be understood that one-time molding includes extrusion molding, injection molding, compression molding, calendering and the like. In this way, the processing steps of the support 32 are fewer, and the cost input of the support 32 can be reduced.
  • the first metal plate 321 is disposed facing the first bending area 3181.
  • the first metal plate 321 is a part of the first part 34 of the display module 30.
  • the second metal plate 322 is disposed facing the bending area 3182.
  • the second metal plate 322 is a part of the second part 35.
  • the third metal plate 323 is disposed facing the second non-bending area 3183.
  • the third metal plate 323 is a part of the third part 36.
  • the second metal plate 322 can be bent.
  • FIG. 6 shows that the support 32 is substantially in the shape of a drop. In other embodiments, the shape of the support 32 may also be ring-shaped.
  • the first metal plate 321, the second metal plate 322, and the third metal plate 323 are approximately 180° (a slight deviation is allowed, such as 165°, 177° Or 185°).
  • FIG. 7 shows that the first metal plate 321, the second metal plate 322, and the third metal plate 323 are 180°.
  • the materials of the first metal plate 321, the second metal plate 322 and the third metal plate 323 are all metal materials.
  • the first metal plate 321, the second metal plate 322, and the third metal plate 323 may be copper, aluminum, beryllium copper, stainless steel, titanium alloy, or the like. At this time, the first metal plate 321, the second metal plate 322, and the third metal plate 323 have better hardness and rigidity.
  • FIG. 8 is a partial structural diagram of the second metal plate of the display module shown in FIG. 7.
  • the second metal plate 322 is provided with at least two first elongated through hole groups M.
  • Fig. 8 shows three first elongated through hole groups M.
  • the area S1 circled by the dotted line in FIG. 8 includes the lower half of the first first elongated through hole group M, the entire second elongated through hole group M, and the third first elongated through hole group M.
  • the plurality of first elongated through hole groups M are arranged in the first direction.
  • Fig. 8 shows that the first direction is the X-axis direction.
  • the first direction can also be any direction in the X-Y plane, such as the Y-axis direction. It can be understood that the plurality of first elongated through hole groups M may be arranged in parallel with the X-axis direction, but a slight deviation may also be allowed, such as 155°, 166° or 177°.
  • each first elongated through hole group M includes a plurality of first elongated through holes 3226.
  • the plurality of first elongated through holes 3226 are arranged at intervals in the second direction.
  • Fig. 8 shows that the second direction is the Y-axis direction.
  • the second direction may also be a direction in the X-Y plane. But the second direction is different from the first direction. For example, when the first direction is the Y-axis direction, the second direction is the X-axis direction.
  • FIG. 7 illustrates the cross-section of the first elongated through hole 3226 in the Y-Z plane.
  • the shape of the first elongated through hole 3226 in the Y-Z plane is not limited to the trapezoidal shape shown in FIG. 7.
  • the shape of the first elongated through hole 3226 in the Y-Z plane may also be rectangular.
  • each of the first elongated through holes 3226 extends along the X-axis direction. It can be understood that the extending direction of the first elongated through hole 3226 may be arranged in parallel with the X-axis direction, but a slight deviation may also be allowed, such as 155°, 166° or 177°.
  • each first elongated through hole group M includes a plurality of first elongated through holes 3226, To avoid excessive stress concentration of the second metal plate 322, thereby ensuring that the second metal plate 322 has better flexibility. In other words, when the electronic device 100 is being unfolded or folded, because the second metal plate 322 has better flexibility, the second metal plate 322 has less influence on the bending of the display screen 31.
  • FIG. 8 shows that the upper half of the first elongated through hole 3226 of the second first elongated through hole group M is located at the two first elongated through holes 3226 of the first first elongated through hole group M. between.
  • the lower half of the first elongated through hole 3226 of the second first elongated through hole group M is located between the two first elongated through holes 3226 of the third first elongated through hole group M.
  • the second metal plate 322 is divided into multiple parts by the first elongated through hole 3226, that is, the second metal plate 322 No continuous part. At this time, the flexibility of the second metal plate 322 is further improved. In this way, when the electronic device 100 is unfolded or folded, the second metal plate 322 has better flexibility, and the second metal plate 322 has less influence on the bending of the display screen 31.
  • the plurality of first elongated through holes 3226 of two adjacent first elongated through hole groups M are spaced apart from each other. In other words, in the X-axis direction, the plurality of first elongated through holes 3226 of two adjacent first elongated through hole groups M do not overlap with each other.
  • FIG. 9 is an enlarged schematic view of the second metal plate shown in FIG. 8 at B.
  • Each of the first elongated through holes 3226 includes a first end 1, a middle portion 2 and a second end 3 that are connected in sequence.
  • the width of the first end 1 is L1.
  • the width of the second end 3 is L2.
  • the width of the middle part 2 is L3.
  • L1 is greater than L3, and L2 is greater than L3.
  • the width L1 of the first end portion 1 and the width L2 of the second end portion 3 may be equal or unequal.
  • the first elongated through hole 3226 is roughly dumbbell-shaped.
  • both the first end portion 1 and the second end portion 3 are circular holes.
  • the middle part 2 is a strip hole. At this time, the preparation process of the first elongated through hole 3226 is simple and easy to operate. In other embodiments, the first end portion 1 and the second end portion 3 may both be shaped holes.
  • the middle part 2 can also be a trapezoidal hole.
  • the first elongated through hole 3226 is arranged to be substantially dumbbell-shaped, on the one hand, because the width L3 of the middle portion 2 of the first elongated through hole 3226 is relatively short, in the Y-axis direction, adjacent There is more material left between the two first elongated through holes 3226.
  • the second metal plate 322 has sufficient strength; on the other hand, because the width of the first end 1 is L1 and the width of the second end 3 is larger, the volume of the first elongated through hole 3226 It will not be reduced due to the small width L3 of the middle part 2. In this way, while the second metal plate 322 has sufficient strength, the flexibility of the second metal plate 322 will not be significantly reduced.
  • the hardness of the second metal plate 322 of this embodiment is relatively moderate. It is understandable that when the electronic device 100 is in the open state, the second metal plate 322 has sufficient hardness to support the bending area 3182 of the display screen 31, so as to prevent the bending area 3182 of the display screen 31 from collapsing. That is, it is ensured that the display screen 31 has a better surface flatness. When the electronic device 100 is being unfolded or folded, because the second metal plate 322 has better flexibility, the second metal plate 322 has less influence on the bending of the display screen 31.
  • first support plate 41, the second support plate 42 and the third support plate 43 of the rotating device 40 are generally provided with more grooves or through holes.
  • the groove or the through hole can be used as an escape space for components or for locking fasteners.
  • the periphery of the long through hole can be squeezed against the optical glue 39 with a relatively large squeezing force, the optical glue 39 will protrude, and the display screen 31 is prone to black spots or bright spots. Line and other issues.
  • the second metal plate 322 can resist the pressing force of the peripheral edge of the groove or the through hole against the second metal plate 322, thereby preventing the optical glue 39 from being excessively affected. Extrusion occurs due to extrusion, thereby avoiding problems such as dark spots or bright lines on the display screen 31.
  • the length of the first end 1 is d1.
  • the length of the second end 3 is d2.
  • the length of the middle part 2 is d3.
  • d1 is smaller than d3.
  • d2 is smaller than d3. It can be understood that the length d1 of the first end portion 1 and the length d2 of the second end portion 3 may be equal or not equal. In other embodiments, d1 may also be greater than or equal to d3. d2 can also be greater than or equal to d3.
  • the length d3 of the middle portion 2 of the first elongated through hole 3226 is relatively long, and the length d1 of the first end portion 1 and the length d2 of the second end portion 3 are both relatively short, so in the Y-axis direction, The remaining material between two adjacent first elongated through holes 3226 is further increased. In this way, the strength of the second metal plate 322 is better. In this way, when the second metal plate 322 has sufficient strength, the second metal plate 322 can resist the pressing force of the groove or the peripheral edge of the through hole against the second metal plate 322, thereby preventing the optical glue 39 from being excessively squeezed. Protruding occurs due to pressure, thereby avoiding problems such as dark spots or bright lines on the display screen 31.
  • the length d1 of the first end 1 of the first elongated through hole 3226 is in the range of 0.15 mm to 3 mm.
  • d1 is equal to 0.15 mm, 0.1 mm, 2 mm, 2.29 mm, or 3 mm.
  • the length d2 of the second end 3 of the first elongated through hole 3226 is in the range of 0.15 mm to 3 mm.
  • d2 is equal to 0.15 mm, 0.11 mm, 2.1 mm, 2.29 mm, or 3 mm.
  • the length d3 of the middle portion 2 of the first elongated through hole 3226 is in the range of 4.5 mm to 6.5 mm.
  • d3 is equal to 4.55 mm, 5 mm, 5.2 mm, 6 mm, or 6.5 mm.
  • the width L1 of the first end 1 of the first elongated through hole 3226 is in the range of 0.15 mm to 0.3 mm.
  • L1 is equal to 0.15 mm, 0.1 mm, 0.2 mm, 0.29 mm, or 0.3 mm.
  • the width L2 of the second end 3 of the first elongated through hole 3226 is in the range of 0.15 mm to 0.3 mm.
  • L2 is equal to 0.15 mm, 0.1 mm, 0.2 mm, 0.29 mm, or 0.3 mm.
  • the width L3 of the middle portion 2 of the first elongated through hole 3226 is in the range of 0.1 mm to 0.2 mm.
  • L3 is equal to 0.15 mm, 0.1 mm, 0.11 mm, 0.19 mm, or 0.2 mm.
  • the second metal plate 322 has both better flexibility and better strength.
  • the width of the interval portion of the second metal plate 322 between the two adjacent first elongated through holes 3226 is b1.
  • b1 is in the range of 0.2 mm to 0.3 mm.
  • b1 is equal to 0.2 mm, 0.22 mm, 0.26 mm, 0.29 mm, or 0.3 mm. In this way, in the Y-axis direction, there is more material left between two adjacent first elongated through holes 3226, so as to ensure that the second metal plate 322 has better strength.
  • the length b2 of the interval portion of the second metal plate 322 between the two adjacent first elongated through holes 3226 is in the range of 0.2 mm to 0.6 mm.
  • b2 is equal to 0.4 mm, 0.44 mm, 0.5 mm, 0.55 mm, or 0.6 mm.
  • the second metal plate 322 It has sufficient strength to resist the pressing force of the peripheral edge of the groove or the through hole against the second metal plate 322, thereby preventing the optical glue 39 from protruding due to excessive pressing, thereby avoiding black spots or bright lines on the display screen 31 And other issues.
  • the second metal plate 322 is provided with two second elongated through hole groups N spaced apart.
  • the two second elongated through hole groups N are arranged along the first direction.
  • Fig. 8 shows that the first direction is the X-axis direction.
  • the first direction may also be a direction in the X-Y plane, such as the Y-axis direction.
  • the area S2 encircled by the dashed line in FIG. 8 includes all of the first second long-strip through hole group N and the upper half of the first first long-strip through hole group M.
  • the area S3 encircled by the dotted line in FIG. 8 includes all of the second second elongated through hole group N and the lower half of the third first elongated through hole group M.
  • the second metal plate 322 includes a first side surface 3221 and a second side surface 3222.
  • a second elongated through hole group N is arranged close to the first side surface 3221 of the second metal plate 322.
  • Another second elongated through hole group N is disposed close to the second side surface 3222 of the second metal plate 322.
  • each second elongated through hole group N includes a plurality of second elongated through holes 3227.
  • the multiple second elongated through holes 3227 of the same second elongated through hole group N are arranged at intervals in the second direction.
  • Fig. 8 shows that the second direction is the Y-axis direction.
  • the second direction can also be any direction in the X-Y plane. But the second direction is different from the first direction. For example, when the first direction is the Y-axis direction, the second direction is the X-axis direction.
  • each of the second elongated through holes 3227 of the first second elongated through hole group N penetrates the first side surface 3221 of the second metal plate 322, and each of the second elongated through hole groups N of the second second elongated through hole group N The two long through holes 3227 both penetrate the second side surface 3222 of the second metal plate 322.
  • each of the second elongated through holes 3227 extends in the X-axis direction. It is understandable that the extending direction of the second elongated through hole 3227 can be arranged parallel to the X-axis direction, but a slight deviation, such as 155°, 166°, or 177°, can also be allowed.
  • each of the second elongated through hole groups N includes a plurality of second elongated through holes 3227, further To avoid excessive stress concentration of the second metal plate 322, thereby ensuring that the second metal plate 322 has better flexibility.
  • the second metal plate 322 has less influence on the bending of the display screen 31.
  • each of the second elongated through holes 3227 passing through a second elongated through hole group N penetrates the first side surface 3221 of the second metal plate 322.
  • Each of the second elongated through holes 3227 of the other second elongated through hole group N penetrates the second side surface 3222 of the second metal plate 322 so as to prevent local stress concentration on the side of the second metal plate 322.
  • the second elongated through hole 3227 can absorb the stress of the display module 30 during the bending process, that is, to prevent the side portion of the second metal plate 322 from being excessively stressed. As a result, the display module 30 is not easy to bend.
  • each second elongated through hole 3227 and a first elongated through hole group M are arranged to cross each other.
  • FIG. 8 shows that each second elongated through hole 3227 is located between two first elongated through holes 3226. That is, each of the second elongated through holes 3227 and the first elongated through holes 3226 have overlapping portions. In this way, when a cross-section is made along the Y axis at any position on the second metal plate 322, the second metal plate 322 is divided into multiple parts by the first elongated through hole 3226, that is, the second metal plate 322 No continuous part. At this time, the flexibility of the second metal plate 322 is significantly improved.
  • each of the second elongated through holes 3227 and one first elongated through hole group M are spaced apart from each other. In other words, in the X-axis direction, each of the second elongated through holes 3227 and the first elongated through holes 3226 do not overlap with each other.
  • each of the second elongated through holes 3227 includes a third end 4 and a main body 5 communicating with each other.
  • the end of the main body 5 away from the third end 4 penetrates the first side surface 3221 or the second side surface 3222 of the second metal plate 322.
  • FIG. 10 shows that the main body 5 of the second elongated through hole 3227 of the second second elongated through hole group N penetrates the second side surface 3222.
  • the width of the third end 4 is L4.
  • the width of the main body 5 is L5.
  • L4 is greater than L5.
  • the second elongated through hole 3227 is approximately match-shaped.
  • the third end 4 is a circular hole.
  • the main body 5 is a strip hole. At this time, the preparation process of the second elongated through hole 3227 is simple and easy to operate.
  • the third end 4 may also be all shaped holes.
  • the main body 5 may also be a trapezoidal hole.
  • the second elongated through hole 3227 when the second elongated through hole 3227 is provided in a substantially match shape, on the one hand, because the width L5 of the main body portion 5 of the second elongated through hole 3227 is short, it is in the Y-axis direction. There is more material left between the second elongated through hole 3227 and the adjacent first elongated through hole 3226. In this way, the strength of the second metal plate 322 is further improved. On the other hand, because the width L4 of the third end portion 4 is longer, the volume of the second elongated through hole 3227 will not be reduced due to the smaller width L5 of the main body portion 5. In this way, while the second metal plate 322 has sufficient strength, the flexibility of the second metal plate 322 will not be significantly reduced.
  • the length of the third end 4 is d4.
  • the length of the main body 5 is d5.
  • d4 is smaller than d5.
  • d4 may also be greater than or equal to d5.
  • the length d4 of the main body 5 of the second elongated through hole 3227 is longer, and the length d4 of the third end 4 is shorter, so in the Y-axis direction, two adjacent second elongated through holes The remaining material between the holes 3227 is further increased. In this way, the strength of the second metal plate 322 is better. In this way, when the second metal plate 322 has sufficient strength, the second metal plate 322 can resist the pressing force of the groove or the peripheral edge of the through hole against the second metal plate 322, thereby preventing the optical glue 39 from being excessively squeezed. Protruding occurs due to pressure, thereby avoiding problems such as dark spots or bright lines on the display screen 31.
  • the length d4 of the third end 4 in the X-axis direction, is in the range of 0.15 mm to 3 mm.
  • the length d5 of the main body part 5 is in the range of 4.5 mm to 6.5 mm.
  • the width L4 of the third end 4 is in the range of 0.15 mm to 0.3 mm.
  • the width L5 of the main body part 5 is in the range of 0.1 mm to 0.2 mm. It is understandable that under the second elongated through hole 3227 of this size, the second metal plate 322 has both better flexibility and better strength.
  • the width of the space between the second elongated through hole 3227 and the adjacent first elongated through hole 3226 of the second metal plate 322 is b3.
  • b3 is in the range of 0.2 mm to 0.3 mm.
  • b3 is equal to 0.2 mm, 0.22 mm, 0.26 mm, 0.29 mm, or 0.3 mm.
  • the length of the interval portion between the second elongated through hole 3227 and the first elongated through hole 3226 of the second metal plate 322 is b4.
  • b4 is in the range of 0.4 mm to 0.6 mm.
  • b4 is equal to 0.4 mm, 0.44 mm, 0.5 mm, 0.55 mm, or 0.6 mm. In this way, in the X-axis direction, there is more material left between the second elongated through hole 3227 and the first elongated through hole 3226, so as to ensure that the second metal plate 322 has better strength.
  • FIG. 11 is a schematic partial cross-sectional view of another embodiment of the display module of the electronic device shown in FIG. 4 at the line A-A.
  • the supporting member 32 further includes a buffer member 324 which is disposed in each of the first elongated through holes 3226 and is connected to the second metal plate member 322.
  • the material of the buffer 324 may be a polymer material.
  • TPU thermoplastic polyurethane elastomer
  • TPE thermoplastic elastomer
  • the buffer member 324 has better flexibility.
  • the buffer member 324 may partially fill the first elongated through hole 3226 or may completely fill the first elongated through hole 3226.
  • the second metal plate 322 has less influence on the bending of the display screen 31.
  • the buffer member 324 may also be provided in each of the second elongated through holes 3227.
  • the buffer 324 can be The squeezing force of the second metal plate 322 from the peripheral edge of the part of the groove or the through hole is absorbed, so as to prevent the optical glue 39 from bulging due to excessive squeezing, thereby avoiding problems such as black spots or bright lines on the display screen 31.
  • the support member 324 does not have a hollow area due to the first elongated through hole 3226, so that the support member 324 has a strong integrity. In this way, the supporting member 324 has sufficient strength to resist the pressing force of the second metal plate 322 by the periphery of the groove or the through hole, thereby preventing the optical glue 39 from protruding due to excessive pressing, thereby preventing the display screen 31 from appearing. Problems such as dark spots or bright lines.
  • FIG. 12 is a schematic partial cross-sectional view of another embodiment of the display module of the electronic device shown in FIG. 4 at the line A-A.
  • the supporting member 32 further includes a fourth metal plate 3252 and a fifth metal plate 3251 facing the bending area 3182 of the display screen 31.
  • the first metal plate 321, the fourth metal plate 3252, the fifth metal plate 3251, the second metal plate 322, and the third metal plate 323 are connected in sequence.
  • the fourth metal plate 3252 is provided with a plurality of first elongated through hole groups M.
  • the arrangement of the first elongated through hole group M in this embodiment can refer to the arrangement of the first elongated through hole group M in each of the above embodiments. I won't repeat it here.
  • two second elongated through hole groups N may also be provided in this embodiment.
  • the arrangement of the fifth metal plate 3251 can refer to the arrangement of the first metal plate 321 in the above embodiments. I won't repeat it here.
  • the fourth metal plate 3252 is provided with a plurality of first elongated through hole groups M, the overall hardness and rigidity of the fourth metal plate 3252 are relatively moderate, that is, a partial area of the support 32 has Better flexibility. At this time, the number of regions with better flexibility of the support 32 can be increased. Therefore, when the support 32 is fixed to the display screen 31, the fourth metal plate 3252 can also be fixed to the area with a larger bending angle in the bending area 3182 of the display screen 31, so as to ensure that the bending area of the display screen 31 has a larger bending angle. Good bending effect.
  • the fifth metal plate 3251 can be fixed to the area with a smaller bending angle in the bending area 3182 of the display screen 31 to ensure that the support 32 has sufficient strength to support the display screen 31.
  • the supporting member 32 may further include a sixth metal plate, a seventh metal plate,..., An S-th metal plate.
  • S is an integer greater than or equal to seven.
  • at least one metal plate is provided with a first elongated through hole group M. At least one metal plate is not provided with the first elongated through hole group M.

Abstract

本申请提供一种显示模组及电子设备。显示模组包括显示屏及支撑件。支撑件固定于显示屏的非显示侧。第一金属板件面向第一非弯折区设置。第二金属板件面向弯折区设置。第三金属板件面向第二非弯折区设置。第二金属板件能够弯折。第二金属板件的至少两个第一长条通孔组在第一方向上排布。各第一长条通孔组的各第一长条通孔均沿第一方向延伸。同一个第一长条通孔组内的多个第一长条通孔在第二方向上间隔排布。在第一方向上,第一长条通孔的第一端部与第二端部的长度之和小于第一长条通孔的中部的长度。在第二方向上,第一端部与第二端部的宽度均大于中部的宽度。显示模组及电子设备具有易折叠且支撑强度足够的支撑件。

Description

显示模组及电子设备
本申请要求于2020年02月29日提交中国专利局、申请号为202020235494.2、申请名称为“显示模组及电子设备”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,特别涉及一种显示模组及电子设备。
背景技术
由于柔性显示屏具有轻薄、不易碎、可折叠以及可卷曲等优点,使得柔性显示屏被广泛地应用在手机等电子产品中。然而,在传统的手机中,柔性显示屏的硬度较差,容易出现表面塌陷现象。故而,传统柔性显示屏的底侧设置有支撑片,以利用支撑片来支撑柔性显示屏,从而解决柔性显示屏的表面出现塌陷的问题。然而,当支撑片的厚度较厚时,支撑片会限制柔性显示屏的弯折,导致手机不容易折叠。当支撑片的厚度较薄时,虽然支撑片不会限制柔性显示屏的弯折,但是过薄的支撑片的结构强度不够,无法很好地支撑柔性显示屏。
发明内容
本申请提供一种具有易折叠且支撑强度足够的支撑件的显示模组及电子设备。
第一方面,本申请提供一种显示模组。所述显示模组包括显示屏及支撑件。所述显示屏包括依次连接的第一非弯折区、弯折区及第二非弯折区。换言之,所述弯折区连接在所述第一非弯折区与所述第二非弯折区之间。所述支撑件固定于所述显示屏的非显示侧。所述支撑件包括依次连接的第一金属板件、第二金属板件及第三金属板件。所述第二金属板件连接在所述第一金属板件与所述第三金属板件之间。所述第一金属板件面向所述第一非弯折区设置。所述第二金属板件面向所述弯折区设置。所述第三金属板件面向所述第二非弯折区设置。所述第二金属板件能够弯折。
所述第二金属板件设有至少两个第一长条通孔组。所述至少两个第一长条通孔组在第一方向上排布。各所述第一长条通孔组均包括多个第一长条通孔。各所述第一长条通孔均沿所述第一方向延伸。同一个所述第一长条通孔组内的多个所述第一长条通孔在第二方向上间隔排布,所述第二方向与所述第一方向不同。
各所述第一长条通孔均包括依次连通的第一端部、中部及第二端部。在所述第二方向上,所述第一端部与所述第二端部的宽度均大于所述中部的宽度。
可以理解的是,通过在第二金属板件设有至少两个第一长条通孔组,且各所述第一长条通孔组均包括多个第一长条通孔,从而避免第二金属板件应力过度集中,进而保证第二金属板件具有较佳的柔韧性。换言之,当电子设备在展开或者折叠的过程中,因为第二金属板件具有较佳的柔韧性,所以第二金属板件对显示屏的弯折影响较小。
在本实施方式中,当第一长条通孔设置为大致呈哑铃状时,一方面,因为第一长条通孔的中部的宽度较短,所以在第二方向上,相邻两个第一长条通孔之间的留料较多。这样, 第二金属板件具有足够的强度;另一方面,因为第一端部的宽度为以及第二端部的宽度为较大,所以第一长条通孔的体积不会因中部的宽度较小而减小。这样,第二金属板件在具有足够的强度的同时,第二金属板件的柔韧性不会显著降低。换言之,本实施例的第二金属板件的硬度较为适中。可以理解的是,当电子设备处于打开状态时,第二金属板件具有足够的硬度来支撑显示屏的弯折区,以防止显示屏的弯折区出现塌陷的问题,也即保证显示屏具有较佳的表面平整度。当电子设备在展开或者折叠的过程中,因为第二金属板件具有较佳的柔韧性,所以第二金属板件对显示屏的弯折影响较小。
此外,转动装置的第一支撑板、第二支撑板及第三支撑板上一般设置有较多的凹槽或者通孔。该凹槽或者通孔可以作为部件的避让空间或者用于锁紧紧固件。当电子设备处于打开状态时,若用户按压屏幕时,转动装置的第一支撑板、第二支撑板及第三支撑板上的凹槽或者通孔的周缘容易挤压第二金属板件。因为凹槽或者通孔的周缘的应力较为集中,所以长条通孔的周缘能够以较大的挤压力挤向光学胶,光学胶发生凸出,显示屏容易出现黑斑或者亮线等问题。此时,当第二金属板件具有足够的强度时,第二金属板件能够抵抗凹槽或者通孔的周缘对第二金属板件的挤压力,从而防止光学胶因过度挤压而发生凸出,进而避免显示屏出现黑斑或者亮线等问题。
一种实施方式中,在所述第一方向上,所述第一端部的长度小于所述中部的长度。所述第二端部的长度小于所述中部的长度。
在本实施方式中,第一长条通孔的中部的长度较长,第一端部的长度以及第二端部的长度均较短,所以在第二方向上,相邻两个第一长条通孔之间的留料进一步增多。这样,第二金属板件的强度更佳。此时,当第二金属板件具有足够的强度时,第二金属板件能够抵抗凹槽或者通孔的周缘对第二金属板件的挤压力,从而防止光学胶因过度挤压而发生凸出,进而避免显示屏出现黑斑或者亮线等问题。
一种实施方式中,所述中部为条形孔。所述第一端部与所述第二端部均为圆形孔。此时,第一长条通孔的制备工艺简单,且易操作。
一种实施方式中,在所述第二方向上,所述第一端部与所述第二端部的宽度均在0.15毫米至0.3毫米的范围内。所述中部的宽度在0.1毫米至0.2毫米的范围内。在所述第一方向上,所述第一端部与所述第二端部的长度均在0.15毫米至3毫米的范围内。所述中部的长度4.5毫米至6.5毫米的范围内。可以理解的是,在该尺寸下的第一长条通孔下,第二金属板件既具有较佳的柔韧性,又具有较佳的强度。
一种实施方式中,在所述第二方向上,所述第二金属板件位于相邻两个所述第一长条通孔之间的间隔部分的宽度在0.2毫米至0.3毫米的范围内。这样,在第二方向上,相邻两个第一长条通孔之间的留料较多,从而保证第二金属板件具有较佳的强度。
一种实施方式中,在所述第一方向上,所述第二金属板件位于相邻两个所述第一长条通孔之间的间隔部分的长度在0.4毫米至0.6毫米的范围内。
可以理解的是,在第一方向上,相邻两个第一长条通孔之间的留料较多,从而保证第二金属板件具有较佳的强度。此时,当转动装置的第一支撑板、第二支撑板及第三支撑板上的凹槽或者通孔的周缘挤压第二金属板件时,第二金属板件具有足够的强度来抵抗凹槽或者通孔的周缘对第二金属板件的挤压力,从而防止光学胶因过度挤压而发生凸出,进而 避免显示屏出现黑斑或者亮线等问题。
一种实施方式中,相邻两个所述第一长条通孔组的所述多个第一长条通孔交叉设置。这样,当在第二金属板件上的大部分位置沿Y轴方向做剖面时,第二金属板件均被第一长条通孔分割成多部分,也即第二金属板件无连续部分。此时,第二金属板件的柔韧性进一步提高。这样,当电子设备在展开或者折叠的过程中,第二金属板件具有较佳的柔韧性,第二金属板件对显示屏的弯折影响较小。
一种实施方式中,所述第二金属板件设有两个第二长条通孔组。各所述第二长条通孔组均包括多个在所述第一方向上延伸的第二长条通孔。同一个所述第二长条通孔组内的多个所述第二长条通孔在所述第二方向上间隔排布。在所述第一方向上,所述第二金属板件包括相背设置的第一侧面及第二侧面。一个所述第二长条通孔组靠近所述第一侧面设置且各个所述第二长条通孔均贯穿所述第一侧面。另一个所述第二长条通孔组靠近所述第二侧面设置且各个所述第二长条通孔均贯穿所述第二侧面。
可以理解的是,通过在第二金属板件设有两个第二长条通孔组,且各第二长条通孔组均包括多个第二长条通孔,从而进一步地避免第二金属板件应力过度集中,进而保证第二金属板件具有较佳的柔韧性。换言之,当电子设备在展开或者折叠的过程中,因为第二金属板件具有较佳的柔韧性,所以第二金属板件对显示屏的弯折影响较小。
此外,通过一个所述第二长条通孔组的各个所述第二长条通孔均贯穿第二金属板件的第一侧面。另一个所述第二长条通孔组的各个所述第二长条通孔均贯穿第二金属板件的第二侧面,从而防止第二金属板件的侧部发生局部应力集中。此时,在电子设备展开或者折叠过程中,第二长条通孔能够吸收显示模组在弯折过程中的应力,也即避免第二金属板件的侧部因应力过大而造成显示模组不容易弯折。
一种实施方式中,各所述第二长条通孔均包括相互连通的第三端部及主体部。所述主体部贯穿所述第一侧面或者所述第二侧面。在所述第二方向上,所述第三端部的宽度大于所述主体部的宽度。
在本实施方式中,通过将第二长条通孔设置为大致呈火柴状时,一方面,因为第二长条通孔的主体部的宽度较短,所以在第二方向上,第二长条通孔与相邻的第一长条通孔之间的留料较多。这样,第二金属板件的强度进一步提高。另一方面,因为第三端部的宽度较长,所以第二长条通孔的体积不会因主体部的宽度较小而减小。这样,第二金属板件在具有足够的强度的同时,第二金属板件的柔韧性不会显著降低。
一种实施方式中,在所述第一方向上,所述第三端部的长度小于所述主体部的长度。在本实施方式中,第二长条通孔的主体部的长度较长,第三端部的长度较短,所以在第二方向上,相邻两个第二长条通孔之间的留料进一步增多。这样,第二金属板件的强度更佳。这样,当第二金属板件具有足够的强度时,第二金属板件能够抵抗凹槽或者通孔的周缘对第二金属板件的挤压力,从而防止光学胶因过度挤压而发生凸出,进而避免显示屏出现黑斑或者亮线等问题。
一种实施方式中,所述支撑件还包括面向所述显示屏的弯折区的第四金属板件及第五金属板件,且所述第一金属板件、第四金属板件、第五金属板件、第二金属板件以及所述第三金属板件依次连接。所述第四金属板件设有所述至少两个第一长条通孔组。
在本实施方式中,因为第四金属板件设有多个第一长条通孔组,所以第四金属板件的整体硬度及刚度较为适中,也即支撑件的部分区域具有较佳的柔韧性。此时,支撑件的柔韧性较佳的区域的数量可以提高。故而,在支撑件固定于显示屏时,第四金属板件也可以固定于显示屏的弯折区中弯曲角度较大的区域,以保证显示屏的弯折区具有较佳的弯折效果。此外,第五金属板件可以固定于显示屏的弯折区中弯曲角度较小的区域,以保证支撑件具有足够的强度支撑显示屏。
一种实施方式中,所述支撑件的厚度在0.1毫米至0.5毫米的范围内。此时,支撑件的厚度适中,从而既可以保证支撑件具有较佳的刚度和柔韧性,又可以使得支撑件不会较大程度地增加显示模组的厚度。
一种实施方式中,所述支撑件还包括缓冲件。所述缓冲件设置于各所述第一长条通孔内,且连接所述第二金属板件。
可以理解的是,当转动装置的第一支撑板、第二支撑板及第三支撑板上的凹槽或者通孔的周缘挤压第二金属板件时,缓冲件可以吸收部分凹槽或者通孔的周缘对第二金属板件的挤压力,从而防止光学胶因过度挤压而发生凸出,进而避免显示屏出现黑斑或者亮线等问题。
此外,支撑件不会因第一长条通孔而存在镂空区域,从而使得支撑件整体性较强。这样,支撑件具有足够的强度去抵抗凹槽或者通孔的周缘对第二金属板件的挤压力,从而防止光学胶因过度挤压而发生凸出,进而避免显示屏出现黑斑或者亮线等问题。
第二方面,本申请提供一种电子设备。电子设备包括第一壳体、第二壳体及如上所述的显示模组。所述显示模组的所述显示屏的第一非弯折区固定于所述第一壳体。所述第二非弯折区固定于所述第二壳体。所述第一壳体和所述第二壳体能够相对折叠至闭合状态,也能够相对展开至打开状态。所述第一壳体和所述第二壳体处于闭合状态时,所述弯折区及所述第二金属板件弯折。
在本实施方式中,支撑件具有易折叠且支撑强度足够的优点。当支撑件应用于显示模组及电子设备时,显示模组与电子设备也易折叠且整体强度较稳定。
附图说明
图1是本申请实施例提供的电子设备处于打开状态下的结构示意图;
图2是图1所示电子设备处于闭合状态下的结构示意图;
图3是图1所示的电子设备的部分分解示意图;
图4是图3所示的电子设备的转动装置安装于第一壳体与第二壳体的示意图;
图5是图4所示的电子设备的显示模组的分解示意图;
图6是图4所示的电子设备的显示模组处于闭合状态的剖面示意图;
图7是图4所示的电子设备的显示模组在A-A线处的一种实施方式的部分剖面示意图;
图8是图7所示的显示模组的第二金属板件的部分结构示意图;
图9是图8所示的第二金属板件在B处的放大示意图;
图10是图8所示的第二金属板件在C处的放大示意图;
图11是图4所示的电子设备的显示模组在A-A线处的另一种实施方式的部分剖面示意 图;
图12是图4所示的电子设备的显示模组在A-A线处的另一种实施方式的部分剖面示意图。
具体实施方式
请参阅图1,图1是本申请实施例提供的电子设备处于打开状态下的结构示意图。电子设备100可以为平板电脑、手机、照相机、个人计算机、笔记本电脑、车载设备或者可穿戴设备。图1所示实施例的电子设备100以手机为例进行阐述。其中,为了便于描述,如图1所示,定义电子设备100的宽度方向为X轴。电子设备100的长度方向为Y轴。电子设备100的厚度方向为Z轴。
请参阅图2,并结合图1所示,图2是图1所示电子设备处于闭合状态下的结构示意图。
电子设备100包括第一壳体10、第二壳体20及显示模组30。第一壳体10和第二壳体20能够相对展开,以处于打开状态。第一壳体10和第二壳体20也能够相对折叠,以处于闭合状态。换言之,第一壳体10和第二壳体20能够在闭合状态和打开状态之间相互切换。其中,图1示意了电子设备100处于打开状态。图2示意了电子设备100处于闭合状态。在本申请中,以第一壳体10和第二壳体20相对X轴方向展开和折叠为例进行描述。
此外,显示模组30可以用于显示图像、文字和视频等。显示模组30包括依次连接的第一部分34、第二部分35及第三部分36。第二部分35连接于第一部分34与第三部分36之间。第一部分34、第二部分35与第三部分36均位于第一壳体10与第二壳体20的同一侧。此外,第一部分34固定于第一壳体10。第二部分35位于第一壳体10与第二壳体20之间。第三部分36固定于第二壳体20。第一部分34、第二部分35及第三部分36的排布方向为Y轴方向。第二部分35能够以X轴为轴线发生弯折。
可以理解的是,当电子设备100处于打开状态时,第一部分34、第二部分35及第三部分36大致呈180°(允许些微偏差,例如165°、177°或者185°)。此时,显示模组30具有连续的大面积显示区域,也即显示模组30能够实现大屏显示,用户的体验性较佳。当电子设备100处于闭合状态时,显示模组30相互折叠。具体的,第二部分35发生弯折。第一部分34与第三部分36相互重叠。此时,显示模组30的展开面积较小,有利于降低显示模组30发生损坏的概率。
此外,附图2示意了当电子设备100处于闭合状态时,显示模组30处于第一壳体10与第二壳体20之间,也即显示模组30能够内折。在其他实施方式中,当电子设备100处于闭合状态时,第一壳体10与第二壳体20也可以位于第一部分34与第三部分36之间,也即显示模组30可以外折。
此外,附图1与附图2均示意了电子设备100可以发生一次折叠。在其他实施方式中,电子设备100也可以发生多次折叠,也即显示模组20可以包括多个部分。每两个部分之间可以相互折叠。
可以理解的是,第一壳体10和第二壳体20有多种连接关系,例如转动连接、滑动连接、转动与滑动、可拆卸式扣合连接等。在本实施例中,以第一壳体10转动连接第二壳体20为例进行说明。请参阅图3与图4,图3是图1所示的电子设备100的部分分解示意图。 图4是图3所示的电子设备的转动装置安装于第一壳体与第二壳体的示意图。电子设备100还包括转动装置40。转动装置40转动连接第一壳体10与第二壳体20。转动装置40能够使第一壳体10和第二壳体20相对转动以折叠或展开。转动装置40位于第一壳体10和第二壳体20之间,且转动装置40与显示模组30的第二部分35相对设置。
其中,转动装置40包括第一支撑板41、第二支撑板42及第三支撑板43。第二支撑板42位于第一支撑板41与第三支撑板43之间。此外,第一支撑板41、第二支撑板42及第三支撑板43与显示模组30的第二部分35面向设置。
此外,第二支撑板42的一侧活动连接于第一支撑板41。第二支撑板42的另一侧也活动连接于第三支撑板43。可以理解的是,活动连接可以为转动连接、滑动连接、转动与滑动或者可拆卸式扣合连接。换言之,第一支撑板41、第二支撑板42及第三支撑板43彼此之间能够相互活动。此外,第一支撑板41背离第二支撑板42的一侧转动连接于第一壳体10。第三支撑板43背离第二支撑板42的一侧转动连接于第二壳体20。此时,通过第一支撑板41、第二支撑板42及第三支撑板43的相互配合,第一壳体10与第二壳体20能够相对转动以折叠或展开。
可以理解的是,当电子设备100展开至打开状态时,第一支撑板41、第二支撑板42与第三支撑板43共同支撑显示模组30的第二部分35。
请参阅图5,图5是图4所示的电子设备的显示模组的分解示意图。显示模组30包括显示屏31及支撑件32。显示屏31用于显示图像、文字及视频等。显示屏31采用柔性显示屏。例如,显示屏31可以为有机发光二极管(organic light-emitting diode,OLED)显示屏,有源矩阵有机发光二极体或主动矩阵有机发光二极体(active-matrix organic light-emitting diode,AMOLED)显示屏,迷你发光二极管(mini organic light-emitting diode)显示屏,微型发光二极管(micro organic light-emitting diode)显示屏,微型有机发光二极管(micro organic light-emitting diode)显示屏,量子点发光二极管(quantum dot light emitting diodes,QLED)显示屏。
请参阅图5,并结合图4所示,显示屏31包括依次连接的第一非弯折区3181、弯折区3182及第二非弯折区3183,也即弯折区3182连接于第一非弯折区3181与第二非弯折区3183之间。第一非弯折区3181为显示模组30的第一部分34的一部分。弯折区3182为第二部分35的一部分。第二非弯折区3183为第三部分36的一部分。弯折区3182能够弯折。
请参阅图6,图6是图4所示的电子设备的显示模组处于闭合状态的示意图。当电子设备100处于闭合状态时,弯折区3182发生弯折,第一非弯折区3181与第二非弯折区3183面向设置,第一非弯折区3181与第二非弯折区3183部分重叠或者全部重叠。附图6示意了弯折区3182大致呈水滴型。在其他实施方式中,弯折区3182的形状也可以呈半环形。
请参阅图7,图7是图4所示的电子设备的显示模组在A-A线处的一种实施方式的部分剖面示意图。当电子设备100处于打开状态时,第一非弯折区3181、弯折区3182及第二非弯折区3183大致呈180°(允许些微偏差,例如165°、177°或者185°)。
请再次参阅图7,显示屏31可以包括依次层叠设置的背膜311、显示面板312、偏光片313(Polarizer,POL)及保护盖板314。换言之,显示面板312位于背膜311与偏光片313之间。保护盖板314固定于偏光片313背离显示面板312的表面。背膜311可用于支 撑显示面板312。显示面板312用于显示图像及视频等。保护盖板314用于保护偏光片313及显示面板312等。
此外,显示屏31还包括光学胶315。光学胶315固定于偏光片313与保护盖板314之间。光学胶315既可以使得显示面板312发出的显示光线传播出电子设备100的外部,又可以提高显示模组30的柔韧性。
一种实施方式中,显示屏31可以为触控屏。显示屏31能够用于根据用户的触控动作产生触控信号。具体的,当用户在显示屏31上点击摄像软件的图标时,显示屏31能够根据用户的点击动作产生触控信号,并将触控信号传输至电子设备100的处理器(图未示)。处理器接收触控信号,并根据触控信号打开摄像软件。处理器可以安装于第一壳体10(请参阅图4),也可以安装于第二壳体20(请参阅图4)。
其中,显示面板312可以具有触控功能,也即显示面板312具有触控面板的功能。例如,采用on-cell技术将触控面板嵌入到显示面板312的发光层上。在其他实施方式中,显示面板312也可以不具有触控功能。此时,显示屏31还包括触控面板(图未示)。触控面板可以固定在保护盖板314与偏光片313之间,也可以位于偏光片313与显示面板312之间。
请再次参阅图7,显示屏31包括相背设置的外表面316及内表面317。显示屏31的外表面316指的是用户在正常使用电子设备100时,显示屏31朝向用户的表面,也即显示屏31的显示侧。显示屏31的内表面317指的是当显示模组30安装于第一壳体10与第二壳体20时,显示屏31朝向电子设备100的内部的表面,也即显示屏31的非显示侧。
此外,支撑件32固定于显示屏31的内表面317。支撑件32用于支撑显示屏31,以提高显示模组30的整体强度。一种实施方式中,支撑件32可以通过OCA光学胶、PVB胶、泡棉胶或其组合材质等固定于显示屏31的内表面317。附图7示意了支撑件32与显示屏31的内表面317之间设置有光学胶39。
请再次参阅图7,在Z轴方向上,支撑件32的高度H1在0.1毫米至0.5毫米的范围内。此时,支撑件32的厚度适中,从而既可以保证支撑件32具有较佳的刚度和柔韧性,又可以使得支撑件32不会较大程度地增加显示模组30的厚度。在其他实施例中,支撑件32的高度H1也可以为其他数值范围。
请再次参阅图5,支撑件32包括依次连接第一金属板件321、第二金属板件322、第三金属板件323。换言之,第二金属板件322连接在第一金属板件321与第三金属板件323之间。附图5通过虚线区别开第一金属板件321、第二金属板件322、第三金属板件323。
一种实施方式中,第一金属板件321、第二金属板件322及第三金属板件323为一体成型结构,也即第一金属板件321、第二金属板件322及第三金属板件323为一个整体结构。此时,第一金属板件321、第二金属板件322及第三金属板件323之间的连接牢固度更佳。此外,第一金属板件321、第二金属板件322及第三金属板件323的形成步骤较少,可以减少支撑件42的投入成本。
具体的,通过CNC加工工艺在一个整体的板件上形成依次连接的第一金属板件321、第二金属板件322及第三金属板件323。在其他实施方式中,也可以通过注塑工艺或者化学腐蚀等方式形成依次连接的第一金属板件321、第二金属板件322及第三金属板件323。
在其他实施方式中,第一金属板件321、第二金属板件322及第三金属板件323也可以通过焊接形成或者卡扣扣合连接。
一种实施方式中,第一金属板件321、第二金属板件322及第三金属板件323一次成型。可以理解的是,一次成型包括挤出成型、注射成型、模压成型、压延成型等方式。这样,支撑件32的加工工艺步骤较少,可以减少支撑件32的成本投入。
请参阅图4及图5,第一金属板件321面向第一弯折区3181设置。第一金属板件321为显示模组30的第一部分34的一部分。第二金属板件322面向弯折区3182设置。第二金属板件322为第二部分35的一部分。第三金属板件323面向第二非弯折区3183设置。第三金属板件323为第三部分36的一部分。第二金属板件322能够发生弯折。
请再次参阅图6,当电子设备100处于闭合状态时,第二金属板件322发生弯折,第一金属板件321与第三金属板件323相对设置。附图6示意了支撑件32大致呈水滴型。在其他实施方式中,支撑件32的形状也可以呈环形。
请再次参阅图7,当电子设备100处于打开状态时,第一金属板件321、第二金属板件322及第三金属板件323大致呈180°(允许些微偏差,例如165°、177°或者185°)。附图7示意了第一金属板件321、第二金属板件322及第三金属板件323呈180°。
其中,第一金属板件321、第二金属板件322与第三金属板件323的材质均为金属材料。例如,第一金属板件321、第二金属板件322与第三金属板件323可以为铜、铝、铍铜、不锈钢或者钛合金等。此时,第一金属板件321、第二金属板件322与第三金属板件323具有较佳的硬度及刚度。
请参阅图8,图8是图7所示的显示模组的第二金属板件的部分结构示意图。第二金属板件322设有至少两个第一长条通孔组M。附图8中示意了三个第一长条通孔组M。此外,附图8中通过虚线所圈出的区域S1包括第一个第一长条通孔组M的下半部分、整个第二个长条通孔组M以及第三个第一长条通孔组M的上半部分。多个第一长条通孔组M在第一方向上排布。附图8示意了第一方向为X轴方向。当然,在其他实施例里,第一方向也可以为X-Y平面里的任一个方向,例如Y轴方向。可以理解的是,多个第一长条通孔组M可以与X轴方向平行设置,但也可以允许些微偏差,例如155°、166°或者177°。
此外,每个第一长条通孔组M均包括多个第一长条通孔3226。多个第一长条通孔3226在第二方向上间隔排布。附图8示意了第二方向为Y轴方向。当然,在其他实施例里,第二方向也可以为X-Y平面里的一个方向。但第二方向与第一方向不同。例如,当第一方向为Y轴方向时,第二方向为X轴方向。可以理解的是,在Y轴方向,多个第一长条通孔3226可以平行于Y轴设置,但可以允许些微偏差,例如155°、166°或者177°。此外,附图7示意了第一长条通孔3226在Y-Z平面的剖面。第一长条通孔3226在Y-Z平面的形状不仅限于附图7所示意的梯形。例如,第一长条通孔3226在Y-Z平面的形状也可以为矩形。
此外,各第一长条通孔3226均沿X轴方向延伸。可以理解的是,第一长条通孔3226的延伸方向可以与X轴方向平行设置,但也可以允许些微偏差,例如155°、166°或者177°。
可以理解的是,通过在第二金属板件322设有至少两个第一长条通孔组M,且各第一长条通孔组M均包括多个第一长条通孔3226,从而避免第二金属板件322应力过度集中, 进而保证第二金属板件322具有较佳的柔韧性。换言之,当电子设备100在展开或者折叠的过程中,因为第二金属板件322具有较佳的柔韧性,所以第二金属板件322对显示屏31的弯折影响较小。
请再次参阅图8,相邻两个第一长条通孔组M的多个第一长条通孔3226交叉排布。附图8示意了第二个第一长条通孔组M的第一长条通孔3226的上半部分位于第一个第一长条通孔组M的两个第一长条通孔3226之间。此外,第二个第一长条通孔组M的第一长条通孔3226的下半部分位于第三个第一长条通孔组M的两个第一长条通孔3226之间。这样,当在第二金属板件322上的大部分位置沿Y轴方向做剖面时,第二金属板件322均被第一长条通孔3226分割成多部分,也即第二金属板件322无连续部分。此时,第二金属板件322的柔韧性进一步提高。这样,当电子设备100在展开或者折叠的过程中,第二金属板件322具有较佳的柔韧性,第二金属板件322对显示屏31的弯折影响较小。在其他实施例中,相邻两个第一长条通孔组M的多个第一长条通孔3226彼此间隔设置。换言之,在X轴方向上,相邻两个第一长条通孔组M的多个第一长条通孔3226彼此不发生重叠。
请参阅图9,图9是图8所示的第二金属板件在B处的放大示意图。各第一长条通孔3226均包括依次连通的第一端部1、中部2及第二端部3。在Y轴方向上,第一端部1的宽度为L1。第二端部3的宽度为L2。中部2的宽度为L3。此时,L1大于L3,L2大于L3。可以理解的是,第一端部1的宽度为L1与第二端部3的宽度为L2可以相等,也可以不相等。此时,第一长条通孔3226大致呈哑铃状。
一种实施方式中,第一端部1与第二端部3均为圆形孔。中部2为条形孔。此时,第一长条通孔3226的制备工艺简单,且易操作。在其他实施方式中,第一端部1与第二端部3也可以均为异形孔。中部2也可以为梯形孔。
可以理解的是,当第一长条通孔3226设置为大致呈哑铃状时,一方面,因为第一长条通孔3226的中部2的宽度L3较短,所以在Y轴方向上,相邻两个第一长条通孔3226之间的留料较多。这样,第二金属板件322具有足够的强度;另一方面,因为第一端部1的宽度为L1以及第二端部3的宽度为L2较大,所以第一长条通孔3226的体积不会因中部2的宽度L3较小而减小。这样,第二金属板件322在具有足够的强度的同时,第二金属板件322的柔韧性不会显著降低。换言之,本实施例的第二金属板件322的硬度较为适中。可以理解的是,当电子设备100处于打开状态时,第二金属板件322具有足够的硬度来支撑显示屏31的弯折区3182,以防止显示屏31的弯折区3182出现塌陷的问题,也即保证显示屏31具有较佳的表面平整度。当电子设备100在展开或者折叠的过程中,因为第二金属板件322具有较佳的柔韧性,所以第二金属板件322对显示屏31的弯折影响较小。
此外,转动装置40的第一支撑板41、第二支撑板42及第三支撑板43上一般设置有较多的凹槽或者通孔。该凹槽或者通孔可以作为部件的避让空间或者用于锁紧紧固件。当电子设备100处于打开状态时,若用户按压屏幕30时,转动装置40的第一支撑板41、第二支撑板42及第三支撑板43上的凹槽或者通孔的周缘容易挤压第二金属板件322。因为凹槽或者通孔的周缘的应力较为集中,所以长条通孔的周缘能够以较大的挤压力挤向光学胶39,光学胶39发生凸出,显示屏31容易出现黑斑或者亮线等问题。此时,当第二金属板件322具有足够的强度时,第二金属板件322能够抵抗凹槽或者通孔的周缘对第二金属 板件322的挤压力,从而防止光学胶39因过度挤压而发生凸出,进而避免显示屏31出现黑斑或者亮线等问题。
请再次参阅图9,在X轴方向上,第一端部1的长度为d1。第二端部3的长度为d2。中部2的长度为d3。一种实施方式中,d1小于d3。d2小于d3。可以理解的是,第一端部1的长度d1与第二端部3的长度d2可以相等,也可以不相等。在其他实施方式中,d1也可以大于或等于d3。d2也可以大于或等于d3。
在本实施方式中,第一长条通孔3226的中部2的长度d3较长,第一端部1的长度d1以及第二端部3的长度d2均较短,所以在Y轴方向上,相邻两个第一长条通孔3226之间的留料进一步增多。这样,第二金属板件322的强度更佳。这样,当第二金属板件322具有足够的强度时,第二金属板件322能够抵抗凹槽或者通孔的周缘对第二金属板件322的挤压力,从而防止光学胶39因过度挤压而发生凸出,进而避免显示屏31出现黑斑或者亮线等问题。
一种实施方式中,在X轴方向上,第一长条通孔3226的第一端部1的长度d1在0.15毫米至3毫米的范围内。例如,d1等于0.15毫米、0.1毫米、2毫米、2.29毫米或者3毫米。第一长条通孔3226的第二端部3的长度d2在0.15毫米至3毫米的范围内。例如,d2等于0.15毫米、0.11毫米、2.1毫米、2.29毫米或者3毫米。第一长条通孔3226的中部2的长度d3在4.5毫米至6.5毫米的范围内。例如,d3等于4.55毫米、5毫米、5.2毫米、6毫米或者6.5毫米。
此外,在Y轴方向上,第一长条通孔3226的第一端部1的宽度L1在0.15毫米至0.3毫米的范围内。例如,L1等于0.15毫米、0.1毫米、0.2毫米、0.29毫米或者0.3毫米。第一长条通孔3226的第二端部3的宽度L2在0.15毫米至0.3毫米的范围内。例如,L2等于0.15毫米、0.1毫米、0.2毫米、0.29毫米或者0.3毫米。第一长条通孔3226的中部2的宽度L3在0.1毫米至0.2毫米的范围内。例如,L3等于0.15毫米、0.1毫米、0.11毫米、0.19毫米或者0.2毫米。
可以理解的是,在该尺寸下的第一长条通孔3226下,第二金属板件322既具有较佳的柔韧性,又具有较佳的强度。
请再次参阅图9,在Y轴方向上,第二金属板件322位于相邻两个第一长条通孔3226之间的间隔部分的宽度为b1。一种实施方式中,b1在0.2毫米至0.3毫米的范围内。例如,b1等于0.2毫米、0.22毫米、0.26毫米、0.29毫米或者0.3毫米。这样,在Y轴方向上,相邻两个第一长条通孔3226之间的留料较多,从而保证第二金属板件322具有较佳的强度。
请再次参阅图9,在X轴方向上,第二金属板件322位于相邻两个第一长条通孔3226之间的间隔部分的长度b2在0.2毫米至0.6毫米的范围内。例如,b2等于0.4毫米、0.44毫米、0.5毫米、0.55毫米或者0.6毫米。这样,在X轴方向上,相邻两个第一长条通孔3226之间的留料较多,从而保证第二金属板件322具有较佳的强度。此时,当转动装置40的第一支撑板41、第二支撑板42及第三支撑板43上的凹槽或者通孔的周缘挤压第二金属板件322时,第二金属板件322具有足够的强度来抵抗凹槽或者通孔的周缘对第二金属板件322的挤压力,从而防止光学胶39因过度挤压而发生凸出,进而避免显示屏31出现黑斑或者亮线等问题。
请再次参阅图8,第二金属板件322设有间隔设置的两个第二长条通孔组N。两个第二长条通孔组N沿第一方向上排布。附图8示意了第一方向为X轴方向。当然,在其他实施例里,第一方向也可以为X-Y平面里的一个方向,例如Y轴方向。此外,附图8中通过虚线所圈出的区域S2包括第一个第二长条通孔组N的全部以及第一个第一长条通孔组M的上半部分。附图8中通过虚线所圈出的区域S3包括第二个第二长条通孔组N的全部以及第三个第一长条通孔组M的下半部分。
此外,在X轴方向上,第二金属板件322包括第一侧面3221及第二侧面3222。一个第二长条通孔组N靠近第二金属板件322的第一侧面3221设置。另一个第二长条通孔组N靠近第二金属板件322的第二侧面3222设置。
其中,各第二长条通孔组N均包括多个第二长条通孔3227。同一个第二长条通孔组N的多个第二长条通孔3227在第二方向上间隔排布。附图8示意了第二方向为Y轴方向。当然,在其他实施例里,第二方向也可以为X-Y平面里的任一个方向。但第二方向与第一方向不同。例如当第一方向为Y轴方向时,第二方向为X轴方向。可以理解的是,同一个第二长条通孔组N的多个第二长条通孔3227的排布方向可以平行于Y轴方向设置,但也可以允许些微偏差,例如155°、166°或者177°。此外,第一个第二长条通孔组N的各个第二长条通孔3227均贯穿第二金属板件322的第一侧面3221,第二个第二长条通孔组N的各个第二长条通孔3227均贯穿第二金属板件322的第二侧面3222。
此外,各第二长条通孔3227均沿X轴方向延伸。可以理解的是,第二长条通孔3227的延伸方向可以与X轴方向平行设置,但也可以允许些微偏差,例如155°、166°或者177°。
可以理解的是,通过在第二金属板件322设有两个第二长条通孔组N,且各第二长条通孔组N均包括多个第二长条通孔3227,从而进一步地避免第二金属板件322应力过度集中,进而保证第二金属板件322具有较佳的柔韧性。换言之,当电子设备100在展开或者折叠的过程中,因为第二金属板件322具有较佳的柔韧性,所以第二金属板件322对显示屏31的弯折影响较小。
此外,通过一个第二长条通孔组N的各个第二长条通孔3227均贯穿第二金属板件322的第一侧面3221。另一个第二长条通孔组N的各个第二长条通孔3227均贯穿第二金属板件322的第二侧面3222,从而防止第二金属板件322的侧部发生局部应力集中。此时,在电子设备100展开或者折叠过程中,第二长条通孔3227能够吸收显示模组30在弯折过程中的应力,也即避免第二金属板件322的侧部因应力过大而造成显示模组30不容易弯折。
此外,各个第二长条通孔3227与一个第一长条通孔组M彼此交叉排布。附图8示意了每个第二长条通孔3227位于两个第一长条通孔3226之间。也即每个第二长条通孔3227与第一长条通孔3226均具有重叠部分。这样,当在第二金属板件322上的任一位置沿Y轴方向做剖面时,第二金属板件322均被第一长条通孔3226分割成多部分,也即第二金属板件322无连续部分。此时,第二金属板件322的柔韧性显著地提高。
在其他实施方式中,各个第二长条通孔3227与一个第一长条通孔组M彼此间隔排布。换言之,在X轴方向上,每个第二长条通孔3227与第一长条通孔3226彼此不发生重叠。
请参阅图10,各第二长条通孔3227均包括相互连通的第三端部4及主体部5。主体部 5远离第三端部4的端部贯穿第二金属板件322的第一侧面3221或者第二侧面3222。附图10示意了第二个第二长条通孔组N的第二长条通孔3227的主体部5贯穿第二侧面3222。
在Y轴方向上,第三端部4的宽度为L4。主体部5的宽度为L5。L4大于L5。此时,第二长条通孔3227大致呈火柴状。
一种实施方式中,第三端部4为圆形孔。主体部5为条形孔。此时,第二长条通孔3227的制备工艺简单,且易操作。在其他实施方式中,第三端部4也可以均为异形孔。主体部5也可以为梯形孔。
在本实施方式中,通过将第二长条通孔3227设置为大致呈火柴状时,一方面,因为第二长条通孔3227的主体部5的宽度L5较短,所以在Y轴方向上,第二长条通孔3227与相邻的第一长条通孔3226之间的留料较多。这样,第二金属板件322的强度进一步提高。另一方面,因为第三端部4的宽度L4较长,所以第二长条通孔3227的体积不会因主体部5的宽度L5较小而减小。这样,第二金属板件322在具有足够的强度的同时,第二金属板件322的柔韧性不会显著降低。
请再次参阅图10,在X轴方向上,第三端部4的长度为d4。主体部5的长度为d5。一种实施方式中,d4小于d5。在其他实施方式中,d4也可以大于或等于d5。
在本实施方式中,第二长条通孔3227的主体部5的长度d4较长,第三端部4的长度d4较短,所以在Y轴方向上,相邻两个第二长条通孔3227之间的留料进一步增多。这样,第二金属板件322的强度更佳。这样,当第二金属板件322具有足够的强度时,第二金属板件322能够抵抗凹槽或者通孔的周缘对第二金属板件322的挤压力,从而防止光学胶39因过度挤压而发生凸出,进而避免显示屏31出现黑斑或者亮线等问题。
一种实施方式中,在X轴方向上,第三端部4的长度d4在0.15毫米至3毫米的范围内。主体部5的长度d5在4.5毫米至6.5毫米的范围内。在Y轴方向上,第三端部4的宽度L4在0.15毫米至0.3毫米的范围内。主体部5的宽度L5在0.1毫米至0.2毫米的范围内。可以理解的是,在该尺寸下的第二长条通孔3227下,第二金属板件322既具有较佳的柔韧性,又具有较佳的强度。
请再次参阅图10,在Y轴方向上,第二金属板件322位于第二长条通孔3227与相邻的第一长条通孔3226之间的间隔部分的宽度为b3。一种实施方式中,b3在0.2毫米至0.3毫米的范围内。例如,b3等于0.2毫米、0.22毫米、0.26毫米、0.29毫米或者0.3毫米。这样,在Y轴方向上,第二长条通孔3227与相邻的第一长条通孔3226之间的留料较多,从而保证第二金属板件322具有较佳的强度。
请再次参阅图10,在X轴方向上,第二金属板件322位于第二长条通孔3227与第一长条通孔3226之间的间隔部分的长度为b4。一种实施方式中,b4在0.4毫米至0.6毫米的范围内。例如,b4等于0.4毫米、0.44毫米、0.5毫米、0.55毫米或者0.6毫米。这样,在X轴方向上,第二长条通孔3227与第一长条通孔3226之间的留料较多,从而保证第二金属板件322具有较佳的强度。
请参阅图11,图11是图4所示的电子设备的显示模组在A-A线处的另一种实施方式的部分剖面示意图。支撑件32还包括缓冲件324,缓冲件324设置于各第一长条通孔3226内,且连接第二金属板件322。缓冲件324的材质可以为高分子材料。例如,热塑性聚氨 酯弹性体橡胶(Thermoplastic polyurethanes,TPU)、热塑性弹性体(Thermoplastic Elastomer,TPE)或者橡胶。缓冲件324具有较佳的柔韧性。缓冲件324可以部分填充第一长条通孔3226,也可以全部填充第一长条通孔3226。这样,当电子设备100在展开或者折叠的过程中,第二金属板件322对显示屏31的弯折影响较小。在其他实施例中,各第二长条通孔3227内也可以设置缓冲件324。
可以理解的是,当转动装置40的第一支撑板41、第二支撑板42及第三支撑板43上的凹槽或者通孔的周缘挤压第二金属板件322时,缓冲件324可以吸收部分凹槽或者通孔的周缘对第二金属板件322的挤压力,从而防止光学胶39因过度挤压而发生凸出,进而避免显示屏31出现黑斑或者亮线等问题。
此外,支撑件324不会因第一长条通孔3226而存在镂空区域,从而使得支撑件324整体性较强。这样,支撑件324具有足够的强度去抵抗凹槽或者通孔的周缘对第二金属板件322的挤压力,从而防止光学胶39因过度挤压而发生凸出,进而避免显示屏31出现黑斑或者亮线等问题。
请参阅图12,图12是图4所示的电子设备的显示模组在A-A线处的另一种实施方式的部分剖面示意图。支撑件32还包括面向显示屏31的弯折区3182的第四金属板件3252及第五金属板件3251。第一金属板件321、第四金属板件3252、第五金属板件3251、第二金属板件322以及第三金属板件323依次连接。
第四金属板件3252设有多个第一长条通孔组M。可以理解的是,本实施方式的第一长条通孔组M的设置方式可参阅上述各个实施方式中第一长条通孔组M的设置方式。这里不再赘述。此外,本实施方式中也可以设置两个第二长条通孔组N,具体可参阅上述各个实施方式中第二长条通孔组N的设置方式。这里不再赘述。此外,第五金属板件3251的设置方式可参阅上述各个实施方式中的第一金属板件321的设置方式。这里不再赘述。
在本实施方式中,因为第四金属板件3252设有多个第一长条通孔组M,所以第四金属板件3252的整体硬度及刚度较为适中,也即支撑件32的部分区域具有较佳的柔韧性。此时,支撑件32的柔韧性较佳的区域的数量可以提高。故而,在支撑件32固定于显示屏31时,第四金属板件3252也可以固定于显示屏31的弯折区3182中弯曲角度较大的区域,以保证显示屏31的弯折区具有较佳的弯折效果。此外,第五金属板件3251,可以固定于显示屏31的弯折区3182中弯曲角度较小的区域,以保证支撑件32具有足够的强度支撑显示屏31。
在其他实施方式中,支撑件32还可以包括第六金属板件、第七金属板件、……、第S金属板件。S为大于等于七的整数。其中,至少一个金属板件设有第一长条通孔组M。至少一个金属板件未设有第一长条通孔组M。
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 (13)

  1. 一种显示模组,其特征在于,包括显示屏及支撑件,所述显示屏包括依次连接的第一非弯折区、弯折区及第二非弯折区,所述支撑件固定于所述显示屏的非显示侧,所述支撑件包括依次连接的第一金属板件、第二金属板件及第三金属板件,所述第一金属板件面向所述第一非弯折区设置,所述第二金属板件面向所述弯折区设置,所述第三金属板件面向所述第二非弯折区设置,所述第二金属板件能够弯折;
    所述第二金属板件设有至少两个第一长条通孔组,所述至少两个第一长条通孔组在第一方向上排布,各所述第一长条通孔组均包括多个第一长条通孔,各所述第一长条通孔均沿所述第一方向延伸,同一个所述第一长条通孔组内的多个所述第一长条通孔在第二方向上间隔排布,所述第二方向与所述第一方向不同;
    各所述第一长条通孔均包括依次连通的第一端部、中部及第二端部,在所述第二方向上,所述第一端部的宽度大于所述中部的宽度,所述第二端部的宽度大于所述中部的宽度。
  2. 根据权利要求1所述的显示模组,其特征在于,在所述第一方向上,所述第一端部的长度小于所述中部的长度,所述第二端部的长度小于所述中部的长度。
  3. 根据权利要求2所述的显示模组,其特征在于,在所述第二方向上,所述第一端部与所述第二端部的宽度均在0.15毫米至0.3毫米的范围内,所述中部的宽度在0.1毫米至0.2毫米的范围内,在所述第一方向上,所述第一端部与所述第二端部的长度均在0.15毫米至3毫米的范围内,所述中部的长度4.5毫米至6.5毫米的范围内。
  4. 根据权利要求2所述的显示模组,其特征在于,在所述第二方向上,所述第二金属板件位于相邻两个所述第一长条通孔之间的间隔部分的宽度在0.2毫米至0.3毫米的范围内。
  5. 根据权利要求2所述的显示模组,其特征在于,在所述第一方向上,所述第二金属板件位于相邻两个所述第一长条通孔之间的间隔部分的长度在0.4毫米至0.6毫米的范围内。
  6. 根据权利要求1至5中任一项所述的显示模组,其特征在于,相邻两个所述第一长条通孔组的所述多个第一长条通孔交叉设置。
  7. 根据权利要求1至5中任一项所述的显示模组,其特征在于,所述第二金属板件设有两个第二长条通孔组,各所述第二长条通孔组均包括多个在所述第一方向上延伸的第二长条通孔,同一个所述第二长条通孔组内的多个所述第二长条通孔在所述第二方向上间隔排布;
    在所述第一方向上,所述第二金属板件包括相背设置的第一侧面及第二侧面,一个所 述第二长条通孔组靠近所述第一侧面设置且各个所述第二长条通孔均贯穿所述第一侧面,另一个所述第二长条通孔组靠近所述第二侧面设置且各个所述第二长条通孔均贯穿所述第二侧面。
  8. 根据权利要求7所述的显示模组,其特征在于,各所述第二长条通孔均包括相互连通的第三端部及主体部,所述主体部贯穿所述第一侧面或者所述第二侧面,在所述第二方向上,所述第三端部的宽度大于所述主体部的宽度。
  9. 根据权利要求8所述的显示模组,其特征在于,在所述第一方向上,所述第三端部的长度小于所述主体部的长度。
  10. 根据权利要求1至5中任一项所述的显示模组,其特征在于,所述支撑件还包括面向所述显示屏的弯折区的第四金属板件及第五金属板件,且所述第一金属板件、第四金属板件、第五金属板件、第二金属板件以及所述第三金属板件依次连接;
    所述第四金属板件设有所述至少两个第一长条通孔组。
  11. 根据权利要求1至5中任一项所述的显示模组,其特征在于,所述支撑件的厚度在0.1毫米至0.5毫米的范围内。
  12. 根据权利要求1至5中任一项所述的显示模组,其特征在于,所述支撑件还包括缓冲件,所述缓冲件设置于各所述第一长条通孔内,且连接所述第二金属板件。
  13. 一种电子设备,其特征在于,包括第一壳体、第二壳体及如权利要求1至12中任一项所述的显示模组,所述显示模组的所述显示屏的第一非弯折区固定于所述第一壳体,所述第二非弯折区固定于所述第二壳体,所述第一壳体和所述第二壳体能够相对折叠至闭合状态,也能够相对展开至打开状态,所述第一壳体和所述第二壳体处于闭合状态时,所述弯折区及所述第二金属板件弯折。
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CN211481295U (zh) 2020-09-11
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