CN113707015A

CN113707015A - Flexible folding display device

Info

Publication number: CN113707015A
Application number: CN202110947680.8A
Authority: CN
Inventors: 胡磊; 金建模
Original assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Current assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2021-11-26
Anticipated expiration: 2041-08-18
Also published as: CN113707015B

Abstract

The application discloses flexible folding display device, it is including buckling backup pad and flexible screen, through the position that corresponds the criss-cross axis of buckling in the backup pad of buckling sets up the locking rotation piece, the locking lever of locking rotation piece is buckling under the different states of buckling of backup pad, switch between extension and the two kinds of states of returning back, the locking lever is when the extension state, flexible folding display device is because of the backstop effect of locking lever, make it can not take place the buckling of another direction, and then two kinds of modes of buckling of the flexible folding display device who obtains can not influence each other, user experience is felt has been promoted.

Description

Flexible folding display device

Technical Field

The application relates to the technical field of display, in particular to a flexible folding display device.

Background

In recent years, Organic Light-Emitting Diode (OLED) display technology has been widely used, and various mobile phones with foldable screens have come into operation, which changes the awareness of consumers to traditional mobile phones. Due to the appearance of the flexible OLED display technology, the screen proportion of display products is larger and larger, and the pursuit of consumers on display effects is further improved. As the size of mobile products gradually increases, the boundary between the mobile phone and the tablet computer becomes fuzzy, and the mobile terminal and the tablet computer are favored by consumers due to their portability.

Because of the particularity of the input mode, the tablet personal computer cannot occupy the market of the notebook computer all the time, and the notebook computer also has the problems of being thick and heavy, not easy to carry and the like. Therefore, a product which combines the portability of the tablet computer and the input performance of the notebook computer is a development direction of future products. The common folding product adopts a middle folding mode, and although the portability of the product is increased to a certain extent, the input mode of the notebook computer cannot be realized. At present, the bending of a tablet computer mode and the bending of a notebook computer mode of a large-size tablet display product compatible with a notebook computer can affect each other in the using process, so that the user experience is poor.

Disclosure of Invention

The embodiment of the application provides a flexible folding display device, through the position that corresponds criss-cross axis of buckling in the backup pad of buckling set up the locking rotation piece, the locking lever of locking rotation piece is under the different states of buckling of backup pad of buckling, switch between extension and the two kinds of states of retracting, the locking lever is when the extension state, flexible folding display device is because of the backstop effect of locking lever, make it can not take place the buckling of another direction, and then two kinds of modes of buckling of the flexible folding display device who obtains can not influence each other, user experience has been promoted and has felt.

The embodiment of the application provides a flexible folding display device, includes:

the bending support plate comprises two bending axes which are arranged in an intersecting manner;

the flexible screen is arranged on one side surface of the bent supporting plate; and

the rotating assembly is arranged on the bent supporting plate and comprises at least two locking rotating parts, each locking rotating part comprises a first shell, a second shell and a locking rod, the first shell, the second shell and the locking rod are coaxially and rotatably connected, the locking rods are in transmission connection with the first shells, the locking rods are arranged in parallel with the rotating axes of the first shells, which rotate relative to the second shells, and therefore the locking rods are in an extending state or a retracting state;

when the bending supporting plate rotates around one bending axis, the first shell and the second shell of the locking rotating piece corresponding to the bending axis are driven to rotate relatively, so that the locking rod of the locking rotating piece corresponding to the bending axis is switched between the retraction state and the extension state, and the orthographic projection of the locking rod in the extension state on the bending supporting plate is intersected with the other bending axis.

In the flexible folding display device provided by the application, in a bending axis and a locking rotating member corresponding to the bending axis, the first shell and the second shell of the locking rotating member are respectively arranged on two sides of the bending axis and fixedly connected with the bending support plate, and the first shell and the second shell are coaxially and rotatably connected;

the locking rod is in transmission connection with the first shell, and the locking rod is in sliding connection with the second shell along the extension direction of the bending axis;

the bending support plate rotates around the bending axis to enable the first shell to rotate relative to the second shell, and drives the locking rod to slide relative to the second shell along the extending direction of the bending axis, so that the locking rod is switched between the retraction state and the extension state.

In the flexible folding display device provided by the application, the first shell and the second shell are sleeved on the locking rod;

a transmission groove is formed in the inner wall of the first shell, the transmission groove surrounds a rotation axis of the first shell, which rotates relative to the second shell, and is arranged along the extending direction of the rotation axis, and a transmission slide block matched with the transmission groove is arranged on the locking rod;

the second shell is provided with a guide groove parallel to the rotation axis, and the locking rod is provided with a guide sliding block in sliding connection with the guide groove.

In the flexible folding display device that this application provided, first casing is close to a coaxial rigid coupling axle sleeve of one end of second casing, the axle sleeve with the second casing is close to the coaxial rotation of one end of first casing is connected, the locking lever is located on the axis of rotation of first casing and pass in proper order first casing the axle sleeve with the second casing.

In the flexible folding display device that this application provided in the first casing, the cover is equipped with a compression spring on the locking lever, the spacing ring has set firmly on the locking lever outer wall, the spacing ring is located the transmission slider is close to one side of second casing, axle sleeve partly is located in the first casing, axle sleeve another part is located in the second casing, compression spring one end with the spacing ring butt, the other end with the axle sleeve butt.

In the flexible folding display device that this application provided, the axle sleeve outside cover is equipped with the alloy steel packing ring, just the alloy steel packing ring is located first casing with between the second casing.

In the flexible folding display device provided by the application, the second housing further comprises a body and a shaft cover, the shaft cover is arranged at the end part of the body far away from the first housing, the guide groove is arranged on the shaft cover, and the guide slider on the locking rod slides along the guide groove on the shaft cover.

In the flexible folding display device that this application provided, two that intersect set up on the axis of buckling, each the axis of buckling corresponds and is provided with two the locking rotates the piece, and two the locking rotates the piece the locking lever is just setting up.

In the flexible folding display device provided by the present application, the locking rotation member further includes:

the first fixed blade is connected with the first shell, and the second fixed blade is connected with the second shell; the first fixed blade is positioned on one side of the bending axis, and the second fixed blade is positioned on the other side of the bending axis.

In the flexible folding display device that this application provided, the backup pad of buckling includes bending zone and non-bending zone, the axis of buckling all is located in the bending zone, in the bending zone the backup pad of buckling adopts first material, in the non-bending zone the backup pad of buckling adopts the second material, the hardness of first material is less than the hardness of second material.

The beneficial effects of the invention at least comprise:

the locking rotating part is arranged on the bending support plate corresponding to the bending axis and comprises a first shell, a second shell and a locking rod, wherein the first shell, the second shell and the locking rod are coaxially and rotatably connected, the locking rod is arranged in parallel with the rotating axis of the first shell relative to the second shell, the first shell rotates relative to the second shell and drives the locking rod to switch between an extension state and a retraction state, when the bending support plate rotates around one bending axis to drive the first shell and the second shell of the locking rotating part corresponding to the bending axis to rotate relatively, meanwhile, the locking rod of the corresponding locking rotating part switches between the retraction state and the extension state, when the locking rod is in the extension state, the orthographic projection of the locking rod on the bending support plate is intersected with the other bending axis, and when the bending support plate is in one bending state, the bending support plate is influenced by the extended locking rod, the flexible folding display device can not be bent along the other bending axis, and then two bending forms of the flexible folding display device are in a mutually exclusive state, so that misoperation in the use process of the flexible folding display device is effectively avoided, and the user experience is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a flexible folding display device provided in an embodiment of the present application;

fig. 2 is a schematic view of a first bending mode of a flexible foldable display device according to an embodiment of the present disclosure;

fig. 3 is a schematic diagram of a second bending mode of a flexible foldable display device according to an embodiment of the present application;

FIG. 4 is a schematic view illustrating a bending supporting plate for locking a rotating member when the rotating member is bent according to an embodiment of the present application;

FIG. 5 is a schematic structural view of the locking rotating member according to the present embodiment when the support plate is bent;

FIG. 6 is a schematic view of a locking rotator according to an embodiment of the present application;

fig. 7 is a top view of a shaft cover according to an embodiment of the present disclosure.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.

The embodiment of the application provides a flexible folding display device, a manufacturing method of the flexible folding display device and a mobile terminal. The following are detailed below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments. In addition, in the description of the present application, the term "including" means "including but not limited to". The terms first, second, third and the like are used merely as labels, and do not impose numerical requirements or an established order. Various embodiments of the invention may exist in a range of versions; it is to be understood that the description in the form of a range is merely for convenience and brevity and should not be construed as an inflexible limitation on the scope of the invention; accordingly, the described range descriptions should be considered to have specifically disclosed all the possible sub-ranges as well as individual numerical values within that range. For example, it is contemplated that the description of a range from 1 to 6 has specifically disclosed sub-ranges such as, for example, from 1 to 3, from 1 to 4, from 1 to 5, from 2 to 4, from 2 to 6, from 3 to 6, etc., as well as individual numbers within a range such as, for example, 1, 2, 3, 4, 5, and 6, as applicable regardless of the range. In addition, whenever a numerical range is indicated herein, it is meant to include any number (fractional or integer) recited within the indicated range.

At present, a large-size display product compatible with a notebook computer generally has two bending modes, and has different functions in different bending modes, but in the use process, the two bending modes, namely the bending in the tablet computer mode and the bending in the notebook computer mode, affect each other, so that the user experience is poor.

In order to solve the above problems, the present application provides the following technical solutions, which are described with reference to specific embodiments.

The application provides a flexible folding display device, as shown in figures 1-3, comprising

A bending support plate 20 comprising two bending axes 30 arranged in an intersecting manner;

specifically, the material of the bending support plate 20 may be a metal material, and may also be a composite metal material, and is not particularly limited, and the flexible screen 10 can be supported, that is, within the protection range of the present application, on the threo search fox bending support plate 20, the number of the bending axes 30 is not limited to two, but at least two relative bending axes 30 are provided, in fig. 2 to 3, an included angle between two displayed bending axes 30 is 90 °, and fig. 2 and 3 show a schematic structural view of the flexible folding display device when the flexible folding support plate 20 is bent along two bending axes 30.

A flexible screen 10 disposed on one side of the bending support plate 20;

the rotating assembly is arranged on the bending support plate 20 and comprises at least two locking rotating pieces 40, each locking rotating piece 40 comprises a first shell 401, a second shell 402 and a locking rod 403, the first shell 401 and the second shell 402 are coaxially and rotatably connected, the locking rod 403 is in transmission connection with the first shell 401, the locking rod 403 is arranged in parallel with the rotating axis of the first shell 401 relative to the second shell 402, and the first shell 401 rotates relative to the second shell 402 so that the locking rod 403 is in an extending state or a retracting state;

at least one locking rotating member 40 is correspondingly disposed at each bending axis 30, when the bending support plate 20 rotates around one of the bending axes 30, the first housing 401 and the second housing 402 of the locking rotating member 40 corresponding to the bending axis 30 are driven to rotate relatively, so that the locking lever 403 of the locking rotating member 40 corresponding to the bending axis 30 is switched between the retracted state and the extended state, and an orthographic projection of the locking lever 403 in the extended state on the bending support plate 20 intersects with the other bending axis 30.

Specifically, the rotating assembly includes a rotating member having a rotating structure, such as a hinge, a bearing, etc., in addition to the locking rotating member 40.

Specifically, the locking rotating member 40 includes a rotating structure and a transmission structure, for example, the locking rotating member 40 includes a first housing 401 and a second housing 402 coaxially and rotatably connected, and a locking lever 403 in transmission connection with the first housing 401, the first housing 401 rotates relative to the second housing 402, and the locking lever 403 is driven to switch between an extended state and a retracted state;

for example, the first housing 401 and the second housing 402 may be tubular structures, and the first housing 401 and the second housing 402 have a common rotating shaft, as shown in fig. 4, in this embodiment, the locking rotating member 40 is disposed on the bending support plate 20 and corresponds to the bending axis 30, and the rotating axis of the locking rotating member 40 is parallel to the bending axis 30;

the specific transmission process may be that, in a bending mode, the first housing 401 is connected to the bending support plate 20 on one side of the bending axis 30, the second housing 402 is connected to the bending support plate 20 on the other side of the bending axis 30, and when the bending support plate 20 rotates around one of the bending axes 30, the first housing 401 and the second housing 402 are driven to coaxially rotate, and meanwhile, the state of the locking rod 403 in transmission connection with the first housing 401 changes, and the locking rod is switched between an extended state and a retracted state; when the locking rod 403 is in the extended state, the orthographic projection of the locking rod 403 on the bent supporting plate 20 is intersected with the other bent axis 30, and when the locking rod 403 is in the retracted state, the orthographic projection of the locking rod 403 on the bent supporting plate 20 is not intersected with the other bent axis 30, so that after the bent supporting plate 20 is bent along the bent axis 30, the locking rod 403 in the extended state can prevent the bent supporting plate 20 from rotating along the other bent axis 30 which is opposite to the bent axis 30, and in the retracted state, the bending of the bent supporting plate 20 along the other bent axis 30 is not influenced, thereby realizing the mutual exclusion effect of the two bent states of the bent supporting plate 20.

It can be understood that, by arranging the locking rotating member 40 on the bending support plate 20 at a position corresponding to the bending axis 30, the locking rotating member 40 includes a first housing 401, a second housing 402 and a locking lever 403 in transmission connection with the first housing 401, the locking lever 403 is arranged parallel to the rotation axis of the first housing 401 relative to the second housing 402, the first housing 401 rotates relative to the second housing 402 to drive the locking lever 403 to switch between an extended state and a retracted state, when the bending support plate 20 rotates around a bending axis 30 to drive the first housing 401 and the second housing 402 of the locking rotating member 40 corresponding to the bending axis 30 to rotate relative to each other, and simultaneously the locking lever 403 of the corresponding locking rotating member 40 switches between the retracted state and the extended state, when the locking lever 403 is in the extended state, the orthographic projection of the locking lever 403 on the bending support plate 20 intersects with another bending axis 30, when the locking rod 403 is in the retraction state, the orthographic projection of the locking rod 403 on the bending support plate 20 is not intersected with the other bending axis 30, so that when the bending support plate 20 is in one bending state, the bending support plate 20 cannot be continuously bent along the other bending axis 30 due to the influence of the extended locking rod 403, and then two bending forms of the flexible folding display device are in a mutually exclusive state, thereby effectively avoiding misoperation in the use process of the flexible folding display device and improving the user experience.

In an embodiment, as shown in fig. 4 and 5, wherein fig. 5 is a schematic view of a specific arrangement structure of the locking rotating member 40 at an intersection position of two intersecting bending axes 30 in fig. 4, it can be seen that, in one bending axis 30 and the locking rotating member 40 corresponding to the bending axis 30, the first housing 401 and the second housing 402 of the locking rotating member 40 are respectively arranged at two sides of the bending axis 30 and fixedly connected to the bending support plate 20, and the first housing 401 and the second housing 402 are coaxially and rotatably connected;

the locking rod 403 is in transmission connection with the first housing 401, and the locking rod 403 is in sliding connection with the second housing 402 along the extending direction of the bending axis 30;

the bending support plate 20 rotates about the bending axis 30 to rotate the first housing 401 relative to the second housing 402, and drives the locking lever 403 to slide relative to the second housing 402 in the extending direction of the bending axis 30 to switch the locking lever 403 between the retracted state and the extended state.

Specifically, the structure of the locking lever 403 in driving connection with the first housing 401 may be one of a gear drive, a screw drive, and the like.

It can be understood that, through the rotation of first casing 401 relative second casing 402, first casing 401 drives locking lever 403 transmission, second casing 402 restriction locking lever 403 rotates for locking lever 403 changes linear motion into by the rotation, realizes that locking lever 403 can become flexible or the state that contracts according to the state transform of buckling backup pad 20, and then makes two kinds of the state of buckling of flexible folding display device be in the state of a mutex, the maloperation in the flexible folding display device use has effectively been avoided, user experience has been promoted and has felt.

In an embodiment, as shown in fig. 6, the first housing 401 and the second housing 402 are sleeved on the locking rod 403;

a transmission groove 4011 is formed in the inner wall of the first housing 401, the transmission groove 4011 is arranged around a rotation axis of the first housing 401 relative to the second housing 402 and along an extending direction of the rotation axis, and a transmission slider 4031 matched with the transmission groove 4011 is arranged on the locking rod 403;

a guide groove 4021 parallel to the rotation axis is formed in the second housing 402, and a guide slider 4032 slidably connected to the guide groove 4021 is provided on the locking lever 403.

Specifically, the transmission groove 4011 is disposed on an inner wall of the first housing 401, the transmission groove 4011 is a thread groove that is disposed around a rotation axis of the first housing 401 relative to the second housing 402 and along an extending direction of the rotation axis, the locking lever 403 is provided with a transmission slider 4031 that is matched with the transmission groove 4011, the second housing 402 is provided with a guide groove 4021 that is parallel to the rotation axis, the locking lever 403 is provided with a guide slider 4032 that is slidably connected to the guide groove 4021, and the guide groove 4021 has a function of limiting rotation of the locking ejector when the locking lever 403 is transmitted to the first housing 401, so that the locking lever 403 does not rotate, and due to a transmission effect of the first housing 401, the locking lever 403 slides along the guide groove 4021, so that the original rotation of the locking lever 403 is changed into a linear motion to realize switching between an extended state and a shortened state.

Specifically, in a horizontal state of the flexible display device at 180 °, the transmission slider is located at one end of the transmission groove 4011 far away from the second housing 402, and at this time, the locking rod 403 is in a retracted state, and in a folded state of the flexible display device after being bent at 180 ° along the bending axis 30, the transmission slider is located at one end of the transmission groove 4011 close to the second housing 402, and at this time, the locking rod 403 is in an extended state.

It can be understood that, by providing the transmission groove 4011 in the first housing 401 and the guide groove 4021 in the second housing 402, the locking rod 403 is provided with the transmission slider 4031 and the guide slider 4032 matching with the transmission groove and the guide groove in the corresponding positions, so that the locking rotating member 40 can achieve the mutual exclusion effect of the bending state of the flexible display device in two bending directions through a reasonable arrangement mode.

In an embodiment, a shaft sleeve 404 is coaxially fixed to an end of the first housing 401 close to the second housing 402, the shaft sleeve 404 is coaxially and rotatably connected to an end of the second housing 402 close to the first housing 401, and the locking lever 403 is located on a rotation axis of the first housing 401 and sequentially passes through the first housing 401, the shaft sleeve 404 and the second housing 402.

Specifically, a portion of the bushing 404 close to the first housing 401 may be disposed outside the first housing 401, or may be disposed inside the first housing 401, and a portion of the bushing 404 close to the second housing 402 may be disposed outside the first housing 401, or may be disposed inside the first housing 401, so that the first housing 401 and the second housing 402 may be coaxially and rotatably connected.

It can be understood that, by adopting the way of connecting the first casing 401 and the second casing 402 by the bushing 404, the structural space can be utilized more effectively, so that the middle parts of the first casing 401 and the second casing 402 can have sufficient space for arranging the locking rod 403, and the locking rotating member 40 has a more reasonable structure and a more compact structure.

In an embodiment, in the first housing 401, a compression spring 4012 is sleeved on the locking rod 403, a limit ring 4033 is fixedly arranged on the outer wall of the locking rod 403, the limit ring 4033 is located on one side of the transmission slider 4031 close to the second housing 402, a part of the shaft sleeve 404 is located in the first housing 401, the other part of the shaft sleeve 404 is located in the second housing 402, one end of the compression spring 4012 abuts against the limit ring 4033, and the other end abuts against the shaft sleeve 404.

Specifically, in this technical solution, a limit ring 4033 is fixedly provided on an outer wall of the locking rod 403, the limit ring 4033 may be coaxially disposed with the locking rod 403, one end of a compression spring 4012 sleeved on the locking rod 403 abuts against the limit ring 4033, the other end abuts against the bushing 404, the compression spring 4012 is in a compressed state, when the locking rod 403 is switched from a retracted state to an extended state, the compression spring 4012 is pressed by the limit ring 4033 and the bushing 404, and when the locking rod 403 is switched from the extended state to the retracted state, the compression spring 4012 rebounds.

It can be understood that, through catch up with the cover at the locking and establish compression spring 4012, have the thrust of replying when flexible display device becomes the horizontality by buckling, make things convenient for flexible display device to resume and level, on the other hand makes flexible display device play the effect of buffering at folding in-process, prevents that flexible display device's flexible screen 10 interior metal wire from because of the broken string problem of buckling excessive leading to, extension flexible folding display device's life.

In an embodiment, an alloy steel washer 405 is sleeved outside the bushing 404, and the alloy steel washer 405 is located between the first housing 401 and the second housing 402, it can be understood that by providing the alloy steel washer 405, the first housing 401 and the second housing 402 can be prevented from rotating and clamping during coaxial rotation, and contact portions of the first housing 401 and the second housing 402 are worn.

In an embodiment, as shown in fig. 6 and 7, the second housing 402 further includes a body and a shaft cover 4022, the shaft cover 4022 is disposed at an end of the body away from the first housing 401, the guide groove 4021 is disposed on the shaft cover 4022, and the guide slider 4032 on the locking lever 403 slides along the guide groove 4021 on the shaft cover 4022.

Specifically, the shaft cover 4022 and the body may be detachably connected, the guide groove 4021 is disposed on the shaft cover 4022, an extending direction of the guide groove 4021 is parallel to the direction of the bending axis 30, the guide slider 4032 may be elongated, and a length of the guide groove 4021 is greater than or equal to a displacement length of the locking rod 403 in the linear motion, so that the guide slider 4032 does not disengage from the guide groove 4021 when the locking rod 403 is switched between different states.

It can be understood that, set up axle cap 4022 and body as detachable connected mode, axle cap 4022 and body can adopt different materials preparation, through this technical scheme, in concrete production and use, conveniently change the component that the wearing and tearing are serious, set up axle cap 4022 simultaneously and can play better sealed effect to locking rotating member 40.

In an embodiment, as shown in fig. 4, two locking rotating members 40 are disposed on two intersecting bending axes 30, and each of the two locking rotating members 40 is disposed on each of the two intersecting bending axes 30, and the locking rods 403 of the two locking rotating members 40 are disposed opposite to each other, so that it can be understood that the arrangement of the locking rotating members 40 on the bending support plate 20 is optimized by disposing two opposite locking rotating members 40 on the same bending axis 30, so that the structure is more dispersed, and the problem of local cracking caused by uneven handling due to excessive bending times of the bending support plate 20 due to intensive local punching of the bending support plate 20 is prevented.

In one embodiment, the locking rotator 40 further comprises:

first and second fixed blades, the first fixed blade being connected to the first casing 401, the second fixed blade being connected to the second casing 402; the first fixed blade is located on one side of the bending axis 30, and the second fixed blade is located on the other side of the bending axis 30.

Specifically, the first fixed blade and the second fixed blade are provided with fixing holes, the first fixed blade and the second fixed blade can be fixed with the corresponding bending support plate 20 by fixing nails, the number of the fixing holes can be multiple, and the fixing holes are uniformly arranged on the first fixed blade and/or the second fixed blade at intervals; the corners of the first fixed blade and the second fixed blade can be set to be round corners, so that damage to other elements during installation is avoided.

In an embodiment, the bending support plate 20 includes a bending region and a non-bending region, the bending axis 30 is located in the bending region, the bending support plate 20 in the bending region is made of a first material, the bending support plate 20 in the non-bending region is made of a second material, and the hardness of the first material is less than that of the second material, specifically, the first material may be stainless steel 404 or polypropylene, and the second material may be copper, aluminum alloy or other suitable metals.

In summary, by disposing the locking rotating member 40 on the bending support plate 20 at a position corresponding to the bending axis 30, the locking rotating member 40 includes a first housing 401, a second housing 402 and a locking lever 403 in transmission connection with the first housing 401, the locking lever 403 is disposed in parallel with the rotation axis of the first housing 401 relative to the second housing 402, the first housing 401 rotates relative to the second housing 402 to drive the locking lever 403 to switch between an extended state and a retracted state, when the bending support plate 20 rotates around a bending axis 30 to drive the first housing 401 and the second housing 402 of the locking rotating member 40 corresponding to the bending axis 30 to rotate relative to each other, and simultaneously the locking lever 403 of the corresponding locking rotating member 40 switches between the retracted state and the extended state, when the locking lever 403 is in the extended state, the orthographic projection of the locking lever 403 on the bending support plate 20 intersects with another bending axis 30, and then when the backup pad 20 of buckling is in a state of buckling, the backup pad 20 of buckling can't continue to buckle along another axis of buckling 30 because of the influence of the locking lever 403 of extension, and then two kinds of states of buckling of flexible folding display device are in a mutually exclusive state, have effectively avoided the maloperation in the flexible folding display device use, have promoted user experience and have felt.

The flexible folding display device, the manufacturing method of the flexible folding display device, and the mobile terminal provided in the embodiments of the present application are described in detail above, and a specific example is applied in the description to explain the principle and the implementation of the present application, and the description of the embodiments above is only used to help understanding the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A flexible foldable display device, comprising:

2. The flexible foldable display device according to claim 1, wherein in a bending axis and a locking rotating member corresponding to the bending axis, the first housing and the second housing of the locking rotating member are respectively disposed at two sides of the bending axis and are fixedly connected to the bending support plate, and the first housing and the second housing are coaxially and rotatably connected;

3. The flexible folding display device according to claim 2, wherein the first housing and the second housing are sleeved on the locking lever;

4. The flexible foldable display device as claimed in claim 3, wherein a shaft sleeve is coaxially fixed to an end of the first housing close to the second housing, the shaft sleeve is coaxially and rotatably connected to an end of the second housing close to the first housing, and the locking lever is located on a rotation axis of the first housing and sequentially passes through the first housing, the shaft sleeve and the second housing.

5. The flexible foldable display device as recited in claim 4, wherein a compression spring is sleeved on the locking lever in the first housing, a limit ring is fixedly disposed on an outer wall of the locking lever, the limit ring is disposed on a side of the transmission slider close to the second housing, a part of the shaft sleeve is disposed in the first housing, another part of the shaft sleeve is disposed in the second housing, one end of the compression spring abuts against the limit ring, and the other end abuts against the shaft sleeve.

6. The flexible foldable display device of claim 4, wherein an alloy steel washer is sleeved outside the bushing and located between the first housing and the second housing.

7. The flexible folding display apparatus of claim 3, wherein said second housing further comprises a body and a shaft cover, said shaft cover being disposed on an end of said body remote from said first housing, said guide groove being disposed on said shaft cover, said guide slider on said lock lever sliding along said guide groove on said shaft cover.

8. The flexible foldable display device as claimed in claim 1, wherein two locking rotating members are disposed on each of the two bending axes disposed in an intersecting manner, and the locking levers of the two locking rotating members are disposed opposite to each other.

9. The flexible folding display device of claim 1, wherein said locking rotator further comprises:

10. The flexible folding display device of claim 1, wherein said bending support plate comprises a bending region and a non-bending region, wherein said bending axis is located in said bending region, wherein said bending support plate in said bending region is made of a first material, wherein said bending support plate in said non-bending region is made of a second material, and wherein a hardness of said first material is less than a hardness of said second material.