CN112513772A - Electronic device and flexible screen supporting mechanism thereof - Google Patents

Electronic device and flexible screen supporting mechanism thereof Download PDF

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Publication number
CN112513772A
CN112513772A CN201880093881.2A CN201880093881A CN112513772A CN 112513772 A CN112513772 A CN 112513772A CN 201880093881 A CN201880093881 A CN 201880093881A CN 112513772 A CN112513772 A CN 112513772A
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China
Prior art keywords
flexible screen
layer
support mechanism
protective member
flexible
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Pending
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CN201880093881.2A
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Chinese (zh)
Inventor
凡小飞
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Shenzhen Royole Technologies Co Ltd
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Shenzhen Royole Technologies Co Ltd
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Publication of CN112513772A publication Critical patent/CN112513772A/en
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    • 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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Telephone Set Structure (AREA)

Abstract

The application provides an electronic device, including the casing, set up in flexible screen on the casing to and flexible screen supporting mechanism, the casing include first framework, second framework and connect in first framework with hinge between the second framework, flexible screen supporting mechanism is used for protecting electronic device's flexible screen, the back of flexible screen corresponds electronic device's hinge department is regional for can bending, flexible screen is including the screen body, flexible screen supporting mechanism is including locating the screen body with backing sheet between the hinge, and set up in the backing sheet with protection piece between the screen body. The application also provides a flexible screen supporting mechanism of the electronic device.

Description

Electronic device and flexible screen supporting mechanism thereof Technical Field
The application relates to the field of display devices of electronic equipment, in particular to a flexible screen supporting mechanism and an electronic device provided with the flexible screen supporting mechanism.
Background
With the development of the flexible screen, an electronic device with a foldable display screen has appeared in the prior art, and the electronic device with the foldable display screen generally realizes bending of the flexible screen through a hinge and supports the flexible screen through a support plate. However, in the conventional electronic device, the supporting plate and the flexible screen slide relative to each other in the bending or flattening process, and therefore, the supporting plate and the back surface of the flexible screen rub against each other, so that the back surface of the flexible screen is abraded, and the function of the flexible screen is affected.
Disclosure of Invention
The application provides a flexible screen supporting mechanism for preventing back abrasion of a flexible screen, and an electronic device provided with the flexible screen supporting mechanism.
The application provides a pair of flexible screen supporting mechanism for protection electron device's flexible screen, the flexible screen is including the region of can bending, flexible screen supporting mechanism is including locating the backing sheet at the flexible screen back and locating the protection piece between backing sheet and the flexible screen, the protection piece is located the region of can bending.
The application still provides an electronic device, including the casing, set up in flexible screen on the casing to and flexible screen supporting mechanism, the casing include first framework, second framework and connect in first framework with hinge between the second framework, flexible screen supporting mechanism is used for protecting electronic device's flexible screen, the flexible screen is including the region of can bending, flexible screen supporting mechanism is including locating the backing sheet at the flexible screen back and locating the protection piece between backing sheet and the flexible screen, the protection piece is located the region of can bending.
The back of this application electron device's flexible screen is equipped with the backing sheet, the backing sheet with be equipped with the protection piece between the flexible screen, the protection piece is located can bend the region. When the electronic device is bent or unfolded through the hinge, the protection piece and the back surface of the flexible screen slide relatively, and the protection piece has a protection effect, so that the back surface of the flexible screen corresponding to the bendable area cannot be abraded in the process of bending or unfolding the electronic device.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of an electronic device in a first embodiment of the present application.
Fig. 2 is a sectional view taken along line II-II in fig. 1.
Fig. 3 is an exploded schematic view of fig. 2.
Fig. 4 is a schematic partial cross-sectional structural diagram of an electronic device in a second embodiment of the present application.
Fig. 5 is a schematic partial cross-sectional structural diagram of an electronic device in a third embodiment of the present application.
Fig. 6 is a schematic partial cross-sectional structural diagram of an electronic device in a fourth embodiment of the present application.
Fig. 7 is a schematic partial cross-sectional structural diagram of an electronic device in a fifth embodiment of the present application.
Fig. 8 is a schematic partial cross-sectional structural diagram of an electronic device in a sixth embodiment of the present application.
Fig. 9 is a schematic partial cross-sectional structural diagram of an electronic device in a seventh embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not imply or indicate that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "thickness" and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, and do not imply or indicate that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Referring to fig. 1 to 3, fig. 1 is a schematic perspective view of an electronic device according to a first embodiment of the present application; FIG. 2 is a cross-sectional view taken along line II-II of FIG. 1; fig. 3 is an exploded schematic view of fig. 2. The electronic device 100 of the first embodiment of the present application includes a housing 20, a flexible screen 30 disposed on the housing 20, and a flexible screen supporting mechanism 50. The housing 20 includes a first frame 21, a second frame 23, and a hinge 25 connected between the first frame 21 and the second frame 23. The flexible screen 30 includes a bendable region 31 corresponding to the hinge 25. The flexible screen 30 comprises a screen body 33, and the flexible screen supporting mechanism 50 is used for protecting the screen body 33 of the flexible screen 30 and laminated material layers on the back surface of the screen body 33, and preventing the areas, corresponding to the bendable area 31, of the screen body 33 and the laminated material layers from being worn. The flexible screen supporting mechanism 50 includes a supporting sheet 51 disposed between the screen body 33 and the hinge 25, and a protecting member disposed between the supporting sheet 51 and the screen body 33, wherein the protecting member 53 corresponds to the bendable region 31. The protective member 53 is a wear-resistant sheet.
In this application, the laminated material layer on the back surface of the screen body 33 includes the light-shielding black glue layer 35, and the protection member 53 is located between the light-shielding black glue layer 35 and the support sheet 51.
In this embodiment, the support sheet 51 is a thin steel sheet capable of bending, and the protector 53 is a liquid metal sheet; the front surface of the screen body 33 refers to a light-emitting surface of the screen body 33, and the back surface of the screen body 33 refers to a side surface facing back to the light-emitting surface.
The reason why the liquid metal sheet is selected as the protection member in this embodiment is that the liquid metal sheet has better wear resistance, and when the liquid metal sheet is attached to the back surface of the screen body by means of optical cement or the like, the liquid metal sheet can effectively resist the friction generated by the support sheet 51, and the wear is not easy to occur. On the other hand, the liquid metal sheet has a low elastic modulus, and is directly adhered to the back of the screen body 33, so that the flexible screen 30 can be stretched synchronously or approximately synchronously along with the screen body 33 when being bent, and the flexible screen 30 is prevented from being damaged due to large difference of stretching amplitude when being bent. The liquid metal can be selected from iron-based liquid metal or nickel-based liquid metal, and more preferably nickel-based liquid metal, so as to obtain lower elastic modulus.
Preferably, the elastic modulus of the protection member 53 is greater than that of the screen body 33 and less than that of the support sheet 51. Further, the difference between the elastic modulus of the protection member 53 and the elastic modulus of the screen body 33 is smaller than the difference between the elastic modulus of the support sheet 51 and the elastic modulus of the protection member 53. Further, the sliding friction coefficient between the protector 53 and the support piece 51 is smaller than the sliding friction coefficient between the screen body 33 and the support piece 51.
In other embodiments, the protection member 53 may also be a soft abrasion-resistant plastic sheet, a teflon coating, a soft abrasion-resistant rubber sheet, or a soft silicone sheet.
In this embodiment, the electronic device 100 is a mobile phone. It is understood that in other embodiments, the electronic device 100 may be, but is not limited to, a radiotelephone, a pager, a Web browser, a notepad, a calendar, and/or a Global Positioning System (GPS) receiver PDA.
The protection member 53 is disposed between the black glue shielding layer 35 and the supporting sheet 51 of the flexible screen 30 of the electronic device 100, that is, the protection member 53 contacts the back surface of the screen body 33 and the supporting sheet 51 at a position corresponding to the bendable region 31. When the electronic device 100 is bent or unfolded through the hinge 25, the protection member 53 slides relative to the light-shielding black glue layer 35 of the flexible screen 30, or the protection member 53 slides relative to the supporting sheet 51. Since the protection member 53 has a protection function, the light-shielding black glue layer 35 on the back surface of the flexible screen 30 is not worn away during the bending or flattening process of the electronic device 100, so that the function of the flexible screen 30 is not affected.
One end of the first frame 21, which is away from the second frame 23, is provided with a sliding guide groove 212, the sliding guide groove 212 is slidably provided with a sliding block 214, and an elastic member 216 is disposed between the sliding block 214 and the first frame 21 along a sliding direction of the sliding block 214. One end of the support sheet 51 is fixedly attached to the second frame 23, and the other end of the support sheet 51 is fixedly attached to the first frame 21. The shading black glue layer 35 is fixedly attached to the back surface of the screen body 33, one end of the screen body 33 is fixedly attached to the sliding block 214, the other end of the screen body 33 is fixedly attached to the supporting sheet 51 on the second frame body 23, the screen body 33 is fixedly attached to the area, corresponding to the bendable area 31, of the supporting sheet 51, namely, the shading black glue layer 35 of the screen body 33 is in sliding contact with the supporting sheet 51 at the bendable area 31, so that the flexible screen 30 is bent and flattened. The elastic element 216 elastically pushes the sliding block 214 to slide towards an end away from the second frame 23, so as to straighten the screen body 33 outward, and prevent the area of the screen body 33 corresponding to the bendable area 31 from being separated from the supporting sheet 51 and arching when the electronic device 100 is bent/unfolded.
In this embodiment, the elastic member 216 is a spring, one end of the spring is connected to the first frame 21, and the other end of the spring is connected to the slider 214.
In this embodiment, the protection member 53 is fixedly attached to the light-shielding black glue layer 35, and the protection member 53 is slidably attached to the support sheet 51. When the electronic device 100 is bent or unfolded by the hinge 25, the protection member 53 and the supporting sheet 51 slide relatively, so that the supporting sheet 51 can be prevented from wearing the light-shielding black glue layer 35.
In other embodiments, the protection member 53 may also be fixedly attached to the supporting sheet 51, and the protection member 53 is slidably attached to the light-shielding black glue layer 35. When the electronic device 100 is bent or unfolded through the hinge 25, the protecting member 53 slides with respect to the light-shielding sealant layer 35, and the protecting member 53 protects the light-shielding sealant layer 35, so that the supporting sheet 51 can be prevented from wearing the light-shielding sealant layer 35 by the protecting member 53.
Furthermore, the back surface of the screen body 33 may not be provided with the light-shielding black glue layer 35, and the protective member is directly attached to the back surface of the screen body 33 or the support sheet 51, so as to prevent or reduce the abrasion of the back surface of the screen body 33.
The side surface of the supporting sheet 51 facing the screen body 33 is provided with a receiving groove 512 corresponding to the bendable region 31, and the protecting member 53 is received in the receiving groove 512. The area of the receiving groove 512 may be equal to or smaller than the area of the bendable region 31. When the protection member 53 is placed in the receiving groove 512, the side surface of the protection member 53 facing the screen body 33 is flush with the side surface of the supporting sheet 51 facing the screen body 33 or the side surface of the protection member 53 facing the screen body 33 slightly protrudes from the side surface of the supporting sheet 51 facing the screen body 33. The length of the receiving groove 512 is slightly greater than the length of the protecting member 53 to allow a certain space for the tensile deformation of the protecting member 53. When the flexible screen 30 is bent and unfolded, the elastic member 216 always keeps pushing against the sliding block 214 to prevent the area of the screen body 33 corresponding to the bendable area 31 from separating from the supporting sheet 51 and arching; the protection member 53 protects the light-shielding black glue layer 35.
In this embodiment, the protection member 53 is fixedly received in the receiving slot 512, the protection member 53 is slidably attached to the light-shielding sealant layer 35 of the flexible screen 30, and when the electronic device 100 is bent or unfolded by the hinge 25, the protection member 53 slides with the light-shielding sealant layer 35.
In other embodiments, the protection member 53 is fixedly attached to the light-shielding black adhesive layer 35, the protection member 53 is slidable in the receiving groove 512, and when the electronic device 100 is bent or unfolded by the hinge 25, the protection member 53 can slide in the receiving groove 512.
An optical adhesive layer 37 is stacked between the support sheet 51 and the light-shielding black adhesive layer 35, that is, the optical adhesive layer 37 is fixedly attached to the side surface of the light-shielding black adhesive layer 35 of the flexible screen 30, which faces back to the screen body 33. The optical adhesive layer 37 and the protection member 53 are fixedly attached to each other. Of course, the protection member 53 can be fixed to the light-shielding black glue layer 35 by other means, such as magnetic attraction, welding, etc.
In this embodiment, the optical adhesive layer 37 is also stacked between the slider 214 and the light-shielding black adhesive layer 35, so that the connection between the screen body 33 and the slider 214 is firmer.
In the electronic device 100 of the present embodiment, the optical adhesive layer 37 is stacked on the side of the light-shielding black adhesive layer 35 of the flexible screen 30 facing away from the screen body 33, and the protection member 53 is fixedly attached to the optical adhesive layer 37. When the electronic device 100 is bent or unfolded through the hinge 25, the protection member 53 slides relative to the supporting sheet 51, and since the protection member 53 has a protection effect, the light-shielding black glue layer 35 on the back surface of the flexible screen 30 is not worn by the supporting sheet 51 during the bending or unfolding process of the electronic device 100, so that the function of the flexible screen 30 is not affected.
Referring to fig. 4, fig. 4 is a schematic partial cross-sectional structure diagram of an electronic device according to a second embodiment of the present application. The structure of the second embodiment of the electronic device of the present application is similar to that of the first embodiment, except that: in the second embodiment, a back adhesive layer 38 is stacked between the support sheet 51 and the light-shielding black adhesive layer 35, a receiving groove 382 is formed in the back adhesive layer 38 corresponding to the bendable region 31, and the protection member 53 is received in the receiving groove 382.
The back glue layer 38 is fixedly attached between the light-shielding black glue layer 35 and the support sheet 51. The back glue layer 38 is also laminated between the slider 214 and the light-shielding black glue layer 35, so that the connection between the screen body 33 and the slider 214 is firmer.
In this embodiment, the protection member 53 is connected to the light-shielding sealant layer 35 through the optical sealant layer 37, that is, the optical sealant layer 37 and the protection member 53 are received in the receiving groove 382 together. The protection member 53 is not fixedly attached to the support plate 51. The side of the protection member 53 facing away from the screen body 33 is flush with the side of the back glue layer 38 facing away from the screen body 53, and the protection member 53 protects the light-shielding black glue layer 35. When the electronic device 100 is bent or unfolded through the hinge 25, the protection member 53 slides relative to the supporting sheet 51, and since the protection member 53 has a protection effect, the light-shielding black glue layer 35 on the back surface of the flexible screen 30 is not worn during the bending or unfolding process of the electronic device 100, so that the function of the flexible screen 30 is not affected.
Referring to fig. 5, fig. 5 is a schematic partial cross-sectional structure view of an electronic device according to a third embodiment of the present application. The structure of the third embodiment of the electronic device of the present application is similar to that of the second embodiment, except that: in the third embodiment, the protection member 53 is received in the receiving groove 382 of the back adhesive layer 38, and the protection member 53 is directly fixed and attached to the light-shielding black adhesive layer 35. The side of the protective element 53 facing away from the screen body 33 is flush with the side of the backing layer 38 facing away from the screen body 33. The back adhesive layer 38 is fixedly attached to the support sheet 51, and the protection member 53 is in sliding contact with the support sheet 51. When the electronic device 100 is bent or unfolded through the hinge 25, the protection member 53 and the supporting sheet 51 slide relatively, and since the light-shielding black glue layer 35 on the back surface of the flexible screen 30 is isolated by the protection member 53, the light-shielding black glue layer 35 on the back surface of the flexible screen 30 is not worn during the bending or unfolding process of the electronic device 100, so that the function of the flexible screen 30 is not affected. In this embodiment, the protection member 53 may be formed by coating the back surface of the light-shielding black glue layer 35 with an abrasion-resistant coating.
Referring to fig. 6, fig. 6 is a schematic diagram of a partial cross-sectional structure of an electronic device according to a fourth embodiment of the present application. The structure of the fourth embodiment of the electronic device of the present application is similar to that of the third embodiment, except that: in the fourth embodiment, the protection member 53 is fixedly attached to the side surface of the supporting sheet 51 facing the receiving groove 382, the protection member 53 corresponds to the receiving groove 382, and the thickness of the protection member 53 is equal to the thickness of the backside adhesive layer 38. The protection member 53 is in sliding contact with the light-shielding black glue layer 35 of the flexible screen 30, and when the electronic device 100 is bent or unfolded through the hinge 25, the protection member 53 slides relative to the light-shielding black glue layer 35, so that the light-shielding black glue layer 35 on the back surface of the flexible screen 30 is not worn in the process of bending or unfolding the electronic device 100, and the function of the flexible screen 30 is not affected. In this embodiment, the protection member 53 may be made of a material having a low hardness.
Referring to fig. 7, fig. 7 is a schematic partial cross-sectional structure view of an electronic device according to a fifth embodiment of the present application. The structure of the fifth embodiment of the electronic device of the present application is similar to that of the fourth embodiment, except that: in the fifth embodiment, a protection layer 55 is stacked on a side of the light-shielding black adhesive layer 35 back to the screen body 33, the back adhesive layer 38 is stacked on a side of the protection layer 55 back to the light-shielding black adhesive layer 35, the receiving groove 382 is formed in the back adhesive layer 38 corresponding to the bendable region 31, the protection member 53 is received in the receiving groove 382, and the support sheet 51 is stacked on the back adhesive layer 38. The protection layer 55 is fixedly attached to the surface of the light-shielding black glue layer 35.
In this embodiment, the protection layer 55 is a liquid metal sheet, the protection member 53 is fixedly attached to the support sheet 51 corresponding to the receiving groove 382, the thickness of the protection member 53 is equal to the thickness of the back adhesive layer 38, and the protection member 53 may be a liquid metal sheet, a soft wear-resistant plastic sheet, a soft wear-resistant rubber sheet, or a soft silicone sheet. When the electronic device 100 is bent or unfolded through the hinge 25, the light-shielding black glue layer 35 on the back surface of the flexible screen 30 is not worn during the bending or unfolding process of the electronic device 100 due to the relative sliding between the protection member 53 and the protection layer 55, so that the function of the flexible screen 30 is not affected.
In other embodiments, the protection member 53 is fixedly attached to the protection layer 55, and the protection member 53 is in sliding contact with the supporting plate 51. When the electronic device 100 is bent or unfolded through the hinge 25, the protection member 53 and the support sheet 51 slide relatively, so that the light-shielding black glue layer 35 on the back surface of the flexible screen 30 is not worn during the bending or unfolding process of the electronic device 100, and the function of the flexible screen 30 is not affected.
Referring to fig. 8, fig. 8 is a schematic partial cross-sectional structure view of an electronic device according to a sixth embodiment of the present application. The structure of the sixth embodiment of the electronic device of the present application is similar to that of the fourth embodiment, except that: in the sixth embodiment, the protecting member 53 is a lubricating material layer, that is, the back adhesive layer 38 is laminated on the side of the light-shielding black adhesive layer 35 facing away from the screen body 33, the receiving groove 382 is formed in the back adhesive layer 38 corresponding to the bendable region 34, the lubricating material layer is disposed in the receiving groove 382, and the side of the lubricating material layer facing away from the screen body 33 is flush with the side of the back adhesive layer 38 facing away from the screen body 33. The supporting sheet 51 is stacked on the back adhesive layer 38 and the lubricating material layer, and the supporting sheet 51 is fixedly attached to the back adhesive layer 38.
In this embodiment, the lubricating material layer is a teflon layer, the lubricating material layer is fixedly attached to the supporting sheet 51 at a position corresponding to the receiving groove 382, and the lubricating material layer is slidably attached to the light-shielding black glue layer 35. When the electronic device 100 is bent or unfolded through the hinge 25, because the lubricating material layer and the light-shielding black glue layer 35 slide relatively, the light-shielding black glue layer 35 of the flexible screen 30 is not worn or has a low degree of wear in the process of bending or unfolding the electronic device 100, so that the function of the flexible screen 30 is not affected.
In other embodiments, the lubricating material layer is fixedly attached to the light-shielding black glue layer 35, and the lubricating material layer is in sliding contact with the supporting sheet 51.
In other embodiments, the lubricating material layer may also be graphite, molybdenum disulfide, or thermoplastic polyurethane elastomer rubber, or the like.
Referring to fig. 9, fig. 9 is a schematic partial cross-sectional structure view of an electronic device according to a seventh embodiment of the present application. The seventh embodiment of the electronic device of the present application has a structure similar to that of the fourth embodiment, except that: in the seventh embodiment, the protection member 53 is an abrasion-resistant paint layer, that is, the side of the light-shielding black glue layer 35 back to the screen body 33 is laminated with the back glue layer 38, the back glue layer 38 is opened with the receiving groove 382 corresponding to the bendable region 34, the abrasion-resistant paint layer is coated in the receiving groove 382, and the side of the abrasion-resistant paint layer back to the screen body 33 is flush with the side of the back glue layer 38 back to the screen body 33. The supporting sheet 51 is stacked on the back glue layer 38 and the wear-resistant paint layer, the supporting sheet 51 is fixedly attached to the back glue layer 38, and the supporting sheet 51 is slidably attached to the wear-resistant paint layer. When the electronic device 100 is bent or unfolded through the hinge 25, the abrasion-resistant paint layer and the supporting sheet 51 slide relatively, so that the light-shielding black glue layer 35 of the flexible screen 30 is not abraded in the bending or unfolding process of the electronic device 100, and the function of the flexible screen 30 is not affected. Of course, in the present embodiment, the protection member 53 may be a thermoplastic polyurethane elastomer rubber.
In other embodiments, the accommodating groove 382 may be coated with a wear-resistant resin layer.
It is understood that in the above embodiments, the back surface of the screen body 33 may be directly attached to the protection member 53, the protection layer 55 or contacted with the supporting sheet 51 attached with the protection member 53 without the light-shielding black glue layer 35.
It is also understood that in the above embodiments, the protective layer 55 is only disposed on the bendable region, and in other embodiments, the protective layer 55 or the protective member 53 may cover the whole back surface of the screen body 33, i.e. the protective layer 55 or the protective member 53 covers not only the bendable region 31 of the flexible screen 30 but also the non-bending region of the flexible screen 30. This full coverage avoids any difference in level on opposite sides of the shield 53, which could result in wrinkles or poor appearance of the flexible screen 30.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims (25)

  1. The flexible screen supporting mechanism is used for protecting a flexible screen of an electronic device and comprises a bendable area.
  2. The flexible screen support mechanism of claim 1, wherein the protective member has a modulus of elasticity greater than the modulus of elasticity of the flexible screen and less than the modulus of elasticity of the support sheet.
  3. The flexible screen support mechanism of claim 2, wherein a difference between an elastic modulus of the protective member and an elastic modulus of the flexible screen is smaller than a difference between an elastic modulus of the support sheet and an elastic modulus of the protective member.
  4. The flexible screen support mechanism of claim 1, wherein a coefficient of sliding friction between the protective member and the support sheet is less than a coefficient of sliding friction between the flexible screen and the support sheet.
  5. The flexible screen support mechanism of claim 1, wherein the protective member corresponds to the bendable region and is fixedly attached to the flexible screen, the protective member being in sliding contact with the support plate.
  6. The flexible screen support mechanism of claim 1, wherein the protective member comprises a liquid metal sheet.
  7. The flexible screen support mechanism of claim 6, wherein the flexible screen further comprises a non-flexing region connecting the flexing regions, the liquid metal sheet covering the non-flexing region and the flexing regions.
  8. The flexible screen support mechanism of claim 6, wherein a light-shielding black glue layer is adhered to the back of the flexible screen, and the liquid metal sheet is fixed to the light-shielding black glue layer through an optical glue.
  9. The flexible screen support mechanism of claim 1, wherein the protective member corresponds to the bendable region and is fixedly attached to the support plate, the protective member being in sliding contact with the flexible screen.
  10. The flexible screen support mechanism of claim 1, wherein the support plate has a receiving slot corresponding to the bendable region, the protective member is received in the receiving slot, and a side of the protective member facing the flexible screen is flush with a side of the support plate facing the flexible screen.
  11. The flexible screen support mechanism of claim 10 wherein the length of the receiving slot is greater than the length of the protective member, the protective member being slidably received in the receiving slot.
  12. The flexible screen support mechanism of claim 1, wherein an optical adhesive layer is laminated between the support sheet and the flexible screen, and the protective member is fixedly attached to the flexible screen by the optical adhesive layer.
  13. The flexible screen support mechanism of claim 1, wherein the protective member is a wear resistant material.
  14. The flexible panel support mechanism of claim 1, wherein a back adhesive layer is laminated between the support sheet and the flexible panel, the back adhesive layer has a receiving groove corresponding to the bendable region, and the protection member is received in the receiving groove.
  15. The flexible screen support mechanism of claim 14, wherein a side of the protective member facing away from the flexible screen is flush with a side of the layer of backing adhesive facing away from the flexible screen.
  16. The flexible screen support mechanism of claim 14, wherein the protective member is fixedly attached to the support plate at a location corresponding to the receiving slot, and the protective member is in sliding contact with the flexible screen.
  17. The flexible panel support mechanism of claim 1, wherein a protective layer is laminated on a back surface of the flexible panel, a back adhesive layer is laminated on a side surface of the protective layer facing away from the flexible panel, a receiving groove is formed in the back adhesive layer corresponding to the bendable region, the protective member is received in the receiving groove, and the support sheet is laminated on the back adhesive layer.
  18. The flexible screen support mechanism of claim 17, wherein the protective member is fixedly attached to the protective layer or the support sheet.
  19. The flexible screen support mechanism of claim 17 wherein the protective layer is a liquid metal sheet.
  20. The flexible screen support mechanism of claim 1, wherein a back adhesive layer is laminated on the back surface of the flexible screen, a receiving groove is formed in the back adhesive layer corresponding to the bendable region, a protection member is disposed in the receiving groove, the protection member is a lubricating material layer, and a side surface of the lubricating material layer facing away from the flexible screen is flush with a side surface of the back adhesive layer facing away from the flexible screen.
  21. The flexible screen support mechanism of claim 20 wherein said layer of lubricating material is fixedly attached to said flexible screen or said support sheet.
  22. The flexible screen support mechanism of claim 20 wherein the layer of lubricating material is one of a polytetrafluoroethylene layer, graphite, molybdenum disulfide, or thermoplastic polyurethane elastomer rubber.
  23. The flexible panel support mechanism according to claim 1, wherein the protection member is a wear-resistant paint layer, a back adhesive layer is laminated on the back surface of the flexible panel, a receiving groove is formed in the back adhesive layer corresponding to the bendable region, the wear-resistant paint layer is coated in the receiving groove, and a side surface of the wear-resistant paint layer facing away from the flexible panel is flush with a side surface of the back adhesive layer facing away from the flexible panel.
  24. An electronic device comprising a housing, a flexible screen disposed on the housing, the housing comprising a first frame, a second frame, and a hinge connected between the first frame and the second frame, wherein the electronic device further comprises a flexible screen support mechanism according to any one of claims 1-23.
  25. The electronic device of claim 24, wherein the support plate is fixedly attached to the hinge, and the flexible screen slides relative to the support plate when the flexible screen is bent.
CN201880093881.2A 2018-06-15 2018-06-15 Electronic device and flexible screen supporting mechanism thereof Pending CN112513772A (en)

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