TWI815414B - Foldable electronic device - Google Patents

Abstract

A foldable electronic device including two bodies, a base, two supporting members, at least two arc-shaped sliding members and a flexible screen is provided. The base is disposed between the two bodies and has at least two arc-shaped sliding grooves. The two supporting members are respectively pivoted to the two bodies and located at two opposite side of the base. The arc-shaped sliding members are respectively slidably disposed in the two arc-shaped sliding grooves and slidably connected to the two supporting members. The flexible screen includes two fixing sections respectively fixed to the two bodies and a flexible section located between the two fixing sections, and the flexible section contacts the two supporting members.

Description

Foldable electronic device

The present invention relates to an electronic device, and in particular to a foldable electronic device.

As the development of flexible display technology has become increasingly mature, in recent years, major electronics manufacturers have been actively investing in the integration of flexible screens, such as integrating flexible screens into electronic devices such as smartphones, tablets, or laptops. Specifically, the design types of flexible screens can be broadly divided into outward folding design and inward folding design. The so-called outward-folding design refers to a design type in which the display side of the folded flexible screen faces outwards. In contrast, the so-called in-folding design refers to a design type in which the display side of the folded flexible screen faces inward.

Generally speaking, a flexible screen can be divided into a flexible section and two fixed sections, wherein the flexible section is located between the two fixed sections, and the two fixed sections are respectively fixed to two bodies. As far as the inward folding design is concerned, when the two bodies are in the unfolded state, the flexible section is completely unfolded flat. Correspondingly, when the two bodies transition from the expanded state to the closed state, the two fixed sections move synchronously with the two bodies respectively and push the flexible section, so that the flexible section is between the two bodies. Bending occurs in between. therefore, During the opening and closing process of the two bodies, how to prevent the flattened flexible section from collapsing and the bent flexible section from being squeezed and damaged is an urgent problem to be solved.

The present invention provides a foldable electronic device with excellent operational reliability and smoothness, and helps reduce the risk of damage to the flexible screen.

The present invention proposes a foldable electronic device, which includes two bodies, a base, two supports, at least two arc-shaped sliding parts and a flexible screen. The base is disposed between the two bodies and has at least two arc-shaped slide grooves. The two support members are respectively pivotally connected to the two bodies and located on opposite sides of the base. The two arc-shaped sliding parts are respectively slidably disposed in the two arc-shaped slide grooves, and are respectively slidably connected to the two supporting parts. The flexible screen includes two fixed sections and a flexible section located between the two fixed sections, wherein the two fixed sections are respectively fixed on the two bodies, and the flexible section contacts two supports. As the two bodies rotate relative to the base, the two arc-shaped sliding parts slide relative to the base along the two arc-shaped chute respectively, and drive the two supporting parts respectively relative to the base. The two bodies are said to rotate. The flexible section moves with the two supports to switch between a flat state and a bent state.

In an embodiment of the present invention, each of the above-mentioned support members includes a pivot portion pivotally connected to the corresponding body and a support portion connected to the pivot portion. The two support parts of the two support members are located between the two pivot parts, and the flexible section of the flexible screen contacts the two support parts of the two support members.

In one embodiment of the present invention, the support portion of each of the above support members has a receiving surface contacting the flexible segment of the flexible screen and a bottom surface relative to the receiving surface. Each support member also includes a linear slide groove located on the bottom surface, and the two arc-shaped sliding members are respectively slidably connected to the two linear slide grooves of the two support members.

In one embodiment of the present invention, each of the above-mentioned arc-shaped sliding parts includes an arc-shaped sliding part slidably disposed in the corresponding arc-shaped slide groove and a sliding protruding pin protruding from the arc-shaped sliding part, and the two The two sliding protruding pins of an arc-shaped sliding member are respectively slidably connected to the two linear slide grooves of the two supporting members.

In an embodiment of the present invention, the center of curvature of the arc-shaped sliding part of each of the above-mentioned arc-shaped sliding parts is the same as the center of curvature of the corresponding arc-shaped slide groove.

In an embodiment of the present invention, the above-mentioned base further has at least one side limiting portion, and the side limiting portion is located on one side of the two arc-shaped slide grooves. A portion of each arcuate chute is covered by the side limiting portion.

In one embodiment of the present invention, the above-mentioned base also has a top surface facing the two supporting members, and each arc-shaped chute has a first opening and a second opening relative to the first opening. The two first openings and the two second openings of the two arc-shaped chute are located on the top surface of the base, and the two second openings of the two arc-shaped chute are located on the top surface of the base. between the two first openings.

In an embodiment of the present invention, the above-mentioned two arc-shaped sliding members are respectively inserted into the two arc-shaped chutes from the two first openings, and the end of each arc-shaped sliding member protrudes from the corresponding arc. The second opening of the arc-shaped chute may be located in the corresponding arc-shaped chute.

In an embodiment of the present invention, the above-mentioned foldable electronic device further includes two sealing rings, and the two sealing rings are respectively arranged on the two bodies. Each sealing ring has a first sealing section and a second sealing section connected to the first sealing section, and the two second sealing sections of the two sealing rings are in sliding contact with the outer surface of the base.

In an embodiment of the present invention, each of the above-mentioned bodies has a first casing and a second casing installed on the first casing. Each sealing ring is fixed between the first casing and the second casing of the corresponding machine body, and a part of the second sealing section of each sealing ring protrudes from the first casing and the second casing.

In an embodiment of the present invention, the second sealing section of each of the above-mentioned sealing rings includes a positioning part and a blocking part relative to the positioning part, and the positioning part is fixed to the first casing and the second casing of the corresponding machine body. between. The blocking portion protrudes from the first casing and the second casing of the corresponding body and slides into contact with the outer surface of the base.

In one embodiment of the present invention, the second sealing section of each of the above-mentioned sealing rings further includes a buffering portion, and the buffering portion extends from the positioning portion to the blocking portion.

In an embodiment of the present invention, the second sealing section of each of the above-mentioned sealing rings further includes a flexure part, and the buffer part is connected to the blocking part through the flexure part.

In an embodiment of the present invention, the buffer portion of the second sealing section of each seal ring is perpendicular to the positioning portion.

Based on the above, as the two bodies are opened and closed, the two supporting members are driven by the two bodies respectively, and the flexible section of the pushed and pulled flexible screen moves with the two supporting members. When the two bodies are in the unfolded state, the two support members remain horizontal and the stretched flexible sections are completely unfolded. Between the two supports When supported, the flexible section is less likely to collapse. Correspondingly, when the two bodies are converted from the expanded state to the closed state, the two supporting members are tilted, and the pushed flexible segments are bent. A space for accommodating the bent flexible section is formed between the two inclined supports to prevent the flexible section from being squeezed and damaged. Therefore, the foldable electronic device of the present invention has excellent operational reliability and smoothness, and helps reduce the risk of damage to the flexible screen.

In order to make the above-mentioned features and advantages of the present invention more obvious and easy to understand, embodiments are given below and described in detail with reference to the accompanying drawings.

10, 10A, 10B: Foldable electronic devices

11: Body

111:The first chassis

112:Second chassis

12: base

121: Arc chute

121a: First opening

121b:Second opening

122: Side limiter

123:Top surface

124:Outer surface

13:Support

131: Pivot joint

132: Support part

132a: Undertaking surface

132b: Bottom surface

133:Linear chute

14:Arc slider

141: Arc sliding part

142:Sliding convex pin

15:Flexible screen

151: Fixed segment

152: Flexible segment

16:Sealing ring

161: First sealing section

162: Second sealing section

162a: Positioning Department

162b, 162b1: blocking part

162c:Buffer

162d: Flexure part

C1, C2: center of curvature

AX: axial

1A is a schematic side view of a foldable electronic device in an unfolded state according to an embodiment of the present invention.

FIG. 1B is a schematic side view of the foldable electronic device of FIG. 1A transitioning to a closed state.

2A to 2C are partial schematic diagrams of a foldable electronic device transitioning from an unfolded state to a closed state according to an embodiment of the present invention.

FIG. 2D is an exploded schematic diagram of the base, support member and arc-shaped sliding member of FIG. 2A.

2E to 2G are respectively schematic diagrams of the support member and the arc-shaped sliding member of FIGS. 2A to 2C transitioning from a horizontal state to an inclined state.

FIG. 3A is a schematic diagram of a foldable electronic device in an unfolded state according to another embodiment of the present invention.

FIG. 3B is a schematic side view of the foldable electronic device of FIG. 3A transitioning to a closed state.

FIG. 3C is a partial exploded view of the foldable electronic device of FIG. 3B .

3D to 3G are partial cross-sectional schematic diagrams of a foldable electronic device transitioning between an unfolded state and a closed state according to another embodiment of the present invention.

4A to 4D are partial cross-sectional schematic diagrams of a foldable electronic device transitioning between an unfolded state and a closed state according to another embodiment of the present invention.

1A is a schematic side view of a foldable electronic device in an unfolded state according to an embodiment of the present invention. FIG. 1B is a schematic side view of the foldable electronic device of FIG. 1A transitioning to a closed state. In order to clearly present the internal structural configuration, the two bodies 11 in FIGS. 1A and 1B are shown with dotted lines. Please refer to FIG. 1A and FIG. 1B. In this embodiment, the foldable electronic device 10 can be a smart phone, a tablet computer or a notebook computer integrated with a foldable display interface, and includes two bodies 11, a base 12, Two support members 13, two arc-shaped sliding members 14 and a flexible screen 15.

The base 12 is disposed between the two bodies 11 , wherein the two support members 13 are respectively located on opposite sides of the base 12 and are respectively pivotally connected to the two bodies 11 . In addition, the two arc-shaped sliding members 14 are slidably connected to the base 12 and respectively slidably connected to the two supporting members 13 . That is to say, one end of each support member 13 is pivotally connected to the corresponding body 11, and the other end is provided for the corresponding arc-shaped sliding member 14 to be slidably connected thereto.

Furthermore, each body 11 passes through the corresponding support member 13 and arc. The sliding member 14 is connected to the base 12, so the two bodies 11 can rotate and slide relative to the base 12 to switch between the expanded state and the closed state. As the two bodies 11 are opened and closed, the two supports 13 are respectively driven by the two bodies 11 to switch between the horizontal state shown in FIG. 1A and the tilted state shown in FIG. 1B .

In this embodiment, the flexible screen 15 includes two fixed sections 151 and a flexible section 152 located between the two fixed sections 151 , wherein the two fixed sections 151 are respectively fixed to the two bodies 11 , and The flexible section 152 contacts the two supporting members 13 . As the two bodies 11 are opened and closed, the push-pull flexible section 152 moves with the two supports 13 to between the flat state shown in Figure 1A and the bent state shown in Figure 1B Convert.

Specifically, as the two bodies 11 are opened and closed, the two supports 13 are driven by the two bodies 11 respectively. In addition, the two fixed sections 151 move synchronously with the two bodies 11 respectively to push or stretch the flexible section 152 . As shown in FIG. 1A , when the two bodies 11 are in the unfolded state, the two support members 13 remain horizontal, and the stretched flexible section 152 is completely flat. Under the support of the two supporting members 13, the flexible section 152 is not prone to collapse. As shown in FIG. 1B , when the two bodies 11 are switched to the closed state, the two support members 13 are tilted, and the pushed flexible sections 152 are bent. A space is formed between the two tilted support members 13 for accommodating the bent flexible section 152 to prevent the flexible section 152 from being squeezed and damaged.

Therefore, the foldable electronic device 10 not only has excellent operational reliability and smoothness, but also helps reduce the risk of damage to the flexible screen 15 .

2A to 2C are partial schematic diagrams of a foldable electronic device transitioning from an unfolded state to a closed state according to an embodiment of the present invention. FIG. 2D is an exploded schematic diagram of the base, support member and arc-shaped sliding member of FIG. 2A. In order to clearly present the internal structural configuration, the two bodies 11 in FIGS. 2A to 2C are shown with dotted lines, and the flexible screen 15 is omitted. Please refer to FIG. 2A and FIG. 2D. In this embodiment, the base 12 has two arc-shaped slide grooves 121 arranged in parallel or symmetrically, and the two arc-shaped sliding members 14 are respectively slid on the two arc-shaped slide grooves 121. Inside the arc chute 121. Therefore, each body 11 can rotate and slide relative to the base 12 through the cooperation of the corresponding arc-shaped sliding member 14 and arc-shaped chute 121 .

As shown in FIG. 2A and FIG. 2D , the number of arc-shaped chute 121 is four, and they are arranged in pairs. Correspondingly, the number of the arc-shaped sliders 14 is four, and they are arranged in pairs. Specifically, two pairs of arcuate slide grooves 121 are respectively disposed on opposite sides of the base 12 , and each pair of arcuate slide grooves 121 allows a corresponding pair of arcuate sliders 14 to slide therein. In addition, the opposite ends of each support member 13 are respectively configured with different pairs of two arc-shaped slide grooves 121 and are connected to the base 12 through different pairs of two arc-shaped sliding members 14 . In other embodiments, the number of arc-shaped sliding members 14 and the number of arc-shaped slide grooves 121 are both an even number, and may be two or greater than or equal to six.

Please refer to FIGS. 2A to 2C . During the process of converting the foldable electronic device 10 from the unfolded state to the closed state, the two arc-shaped sliders 14 respectively move along the two arc-shaped slide grooves 121 relative to the base 12 Slide and drive the two support members 13 to rotate relative to the two bodies 11 respectively, so as to convert from a horizontal state to an inclined state.

Figures 2E to 2G are the support members and arc-shaped slides of Figures 2A to 2C respectively. Schematic diagram of a piece transitioning from a horizontal state to an inclined state. Please refer to FIGS. 2E to 2G . One end of each support member 13 can be driven by the corresponding body 11 to move upward and deflect inward. Correspondingly, the other end of each support member 13 can be driven by the corresponding arc-shaped sliding member 14 to move downward and deflect outward. As shown in FIG. 1B and FIG. 2G , the two supporting members 13 remain symmetrical and inclined to the axial direction AX. The angle between the two supporting members 13 is essentially an acute angle and forms a space for accommodating the bent flexible section 152 .

Please refer to Figures 1A, 2A, 2D and 2E. In this embodiment, each support member 13 includes a pivot portion 131 pivoted to the corresponding body 11 and a support portion 132 connected to the pivot portion 131, where The two support parts 132 of the two support members 13 are located between the two pivot parts 131 , and the flexible section 152 of the flexible screen 15 contacts the two supports of the two support members 13 Department 132. As shown in FIG. 1A and FIG. 2A , when the two supporting parts 132 are in a horizontal state, the flexible section 152 of the flexible screen 15 is supported by the two supporting parts 132 and is in a flat state. As shown in FIG. 1B and FIG. 2C , when the two supporting parts 132 are in an inclined state, the bent flexible section 152 is accommodated between the two supporting parts 132 .

Please refer to FIGS. 1A, 2A, 2D and 2E. The support portion 132 of each support member 13 has a receiving surface 132a contacting the flexible segment 152 and a bottom surface 132b relative to the receiving surface 132a. Each support member 13 also has a receiving surface 132a. It includes a linear slide groove 133 located on the bottom surface 132b, and the two arc-shaped sliding parts 14 are respectively slidably connected to the two linear slide grooves 133 of the two supporting parts 13. Furthermore, each arc-shaped sliding member 14 includes an arc-shaped sliding part 141 and a protrusion slidably disposed in the corresponding arc-shaped chute 121 . The sliding protruding pins 142 of the arc-shaped sliding part 141 are formed, and the two sliding protruding pins 142 of the two arc-shaped sliding members 14 are respectively slidably connected to the two linear sliding members of the two supporting members 13 . slot 133.

As shown in FIG. 2A and FIG. 2D , each support member 13 includes two linear slide grooves 133 , which are respectively located on opposite sides of the support portion 132 . In addition, the two sliding protrusions 142 of the two arc-shaped sliding members 14 of different pairs are respectively slidably connected to the two linear slide grooves 133 of the same supporting member 13 .

As shown in FIG. 2A , the center of curvature C1 of the arc-shaped sliding part 141 of each arc-shaped sliding member 14 is the same as the center of curvature C2 of the corresponding arc-shaped slide groove 121 to improve the rotation speed of each body 11 relative to the base 12 . stability and smoothness.

As shown in FIG. 2A and FIG. 2D , the base 12 also has a side limiting part 122 , and the side limiting part 122 is located on one side of the two arc-shaped slide grooves 121 . The side limiting portion 122 covers a part of each arc-shaped chute 121, or covers the sides of the two arc-shaped chute 121, to prevent the two arc-shaped sliders 14 from being The sliding parts 141 are separated from the two arc-shaped slide grooves 121 respectively.

In this embodiment, the base 12 also has a top surface 123 facing the two supports 13, and each arc-shaped slide groove 121 has a first opening 121a and a second opening 121b relative to the first opening 121a. The two first openings 121a and the two second openings 121b of the two arc-shaped chute 121 are located on the top surface 123 of the base 12, and the two second openings 121b are juxtaposed on the between the two first openings 121a. Furthermore, the two arc-shaped sliding members 14 are respectively inserted into the two arc-shaped slide grooves 121 from the two first openings 121a, and the end of each arc-shaped sliding member 14 is inserted into the two arc-shaped slide grooves 121. The end protrudes from the second opening 121b of the corresponding arcuate chute 121 or is located in the corresponding arcuate chute 121, depending on the size or sliding state of the arcuate slider 14.

As shown in FIG. 2A and FIG. 2D , the number of arc-shaped chute 121 is four, and they are arranged in pairs. Correspondingly, the number of side limiting parts 122 is two. Specifically, two pairs of arcuate chute 121 are respectively arranged on opposite sides of the base 12 , and the sides of each pair of arcuate chute 121 are covered by a corresponding side limiting portion 122 .

FIG. 3A is a schematic diagram of a foldable electronic device in an unfolded state according to another embodiment of the present invention. FIG. 3B is a schematic side view of the foldable electronic device of FIG. 3A transitioning to a closed state. FIG. 3C is a partial exploded view of the foldable electronic device of FIG. 3B . In order to clearly present the internal structural configuration, the two bodies 11 in FIGS. 3A and 3B are shown with dotted lines, and some components in FIGS. 3A to 3C are omitted, such as the flexible screen 15 . Please refer to FIGS. 3A to 3C . The design of the foldable electronic device 10A of this embodiment is substantially the same as that of the foldable electronic device 10 of the previous embodiment. The difference between the two is that the foldable electronic device 10A of this embodiment is Integrated sealing design to block the intrusion of external moisture, dust or foreign matter.

Specifically, the foldable electronic device 10A further includes two sealing rings 16 , wherein the two sealing rings 16 are respectively arranged on the two bodies 11 , and each sealing ring 16 is along the periphery of the corresponding body 11 configuration. More specifically, each body 11 has a first casing 111 and a second casing 112 installed on the first casing 111, and the sealing ring 16 is fixed between the first casing 111 and the second casing 112. For example, it is fixed at the assembly gap between the first casing 111 and the second casing 112 to prevent external moisture, dust or foreign matter from passing between the first casing 111 and the second casing 112 The assembly gap enters the inside of the device, so it helps to reduce the probability of failure or damage of the foldable electronic device 10A, thereby increasing the service life.

3D to 3G are partial cross-sectional schematic diagrams of a foldable electronic device transitioning between an unfolded state and a closed state according to another embodiment of the present invention. Please refer to FIGS. 3A to 3D . In this embodiment, each sealing ring 16 has a first sealing section 161 and a second sealing section 162 connected to the first sealing section 161 . The first sealing section 161 is along the body 11 The second sealing section 162 extends along three sides of the body 11 .

Please refer to FIGS. 3D to 3G . Part of the second sealing section 162 of each sealing ring 16 protrudes toward the base 12 from the assembly gap between the corresponding first casing 111 and the second casing 112 and contacts the base. 12 outer surface 124. That is to say, the second sealing section 162 of each sealing ring 16 blocks the intrusion path of external moisture, dust or foreign matter, etc., so as to prevent external moisture, dust or foreign matter from passing between the body 11 and the base 12 The assembly gap enters the inside of the device, so it helps to reduce the probability of failure or damage of the foldable electronic device 10A, thereby increasing the service life.

As the two bodies 11 are opened and closed, the second sealing section 162 slides against the outer surface 124 of the base 12 . In detail, the second sealing section 162 of each sealing ring 16 includes a positioning portion 162a, a blocking portion 162b relative to the positioning portion 162a, and a buffer portion 162c located between the positioning portion 162a and the blocking portion 162b, wherein the positioning portion 162a is fixed. Between the first casing 111 and the second casing 112 , the blocking portion 162 b protrudes toward the base 12 . In addition, the buffer portion 162c extends from the positioning portion 162a to the blocking portion 162b and is perpendicular to the positioning portion 162a.

The positioning part 162a and the buffering part 162c can be used to improve the reliability of the second sealing section 162 assembled between the first casing 111 and the second casing 112, and to improve the stability between the first casing 111 and the second casing 112. Degree of sealing. On the other hand, the blocking portion 162b is in sliding contact with the outer surface 124 of the base 12 to prevent the intrusion of external moisture, dust or foreign matter. As shown in FIGS. 3D to 3G , each sealing ring 16 can be made of rubber or silicone, or other soft materials with good waterproof and airtight properties. Therefore, the blocking portion 162b slides on the outer surface 124 of the base 12 Can be pushed and elastically deformed. For example, the cross-sectional profile of the blocking portion 162b may be triangular, but is not limited thereto.

In this embodiment, the positioning portion 162a can extend to opposite sides along a direction perpendicular to the buffer portion 162c, so as to be inserted into the first casing 111 and the second casing 112 respectively, thereby improving the assembly reliability and improving the stability of the assembly. Waterproof and airtight. In other embodiments, the positioning portion 162a can extend to one side along a direction perpendicular to the buffer portion 162c to be inserted into the first casing 111 or the second casing 112 .

4A to 4D are partial cross-sectional schematic diagrams of a foldable electronic device transitioning between an unfolded state and a closed state according to another embodiment of the present invention. Please refer to FIGS. 4A to 4D . The design of the foldable electronic device 10B of this embodiment is substantially the same as that of the foldable electronic device 10A of the previous embodiment. The difference between the two lies in the cross-section of the blocking portion 162b1 of this embodiment. The profile may be fan-shaped to improve the smoothness of the blocking portion 162b1 sliding on the outer surface 124 of the base 12 and to improve the durability of the blocking portion 162b1 that contacts the friction base 12 for a long time. In addition, the blocking part 162b1 and the buffering part 162c are connected by a flexible part 162d, and the flexible part 162d can elastically deform along with the blocking part 162b1 to avoid stress concentration that may cause the blocking part 162b1 and the buffering part 162c to Break apart.

In this embodiment, the positioning portion 162a can extend to opposite sides along a direction perpendicular to the buffer portion 162c, so as to be inserted into the first casing 111 and the second casing 112 respectively, thereby improving the assembly reliability and improving the stability of the assembly. Waterproof and airtight. In other embodiments, the positioning portion 162a can extend to one side along a direction perpendicular to the buffer portion 162c to be inserted into the first casing 111 or the second casing 112 .

To sum up, as the two bodies are opened and closed, the two supporting members are driven by the two bodies respectively, and the flexible section of the pushed and pulled flexible screen moves with the two supporting members. When the two bodies are in the unfolded state, the two support members remain horizontal and the stretched flexible sections are completely unfolded. Under the support of the two supporting members, the flexible section is not prone to collapse. Correspondingly, when the two bodies are converted from the expanded state to the closed state, the two supporting members are tilted, and the pushed flexible segments are bent. A space for accommodating the bent flexible section is formed between the two inclined supports to prevent the flexible section from being squeezed and damaged. Therefore, the foldable electronic device of the present invention not only has excellent operational reliability and smoothness, but also helps reduce the risk of damage to the flexible screen.

On the other hand, a sealing design is integrated between the two casings of each body and between each body and the base to prevent external moisture, dust or foreign matter from passing through the assembly gap between the two casings or the body. The assembly gap between the foldable electronic device and the base penetrates into the device, thus helping to reduce the chance of failure or damage to the foldable electronic device, thereby extending its service life.

Although the present invention has been disclosed above through embodiments, it is not intended to limit the scope of the present invention. Any person with ordinary knowledge in the technical field may make slight changes and modifications without departing from the spirit and scope of the invention. Therefore, the scope of protection of the invention shall be deemed to be defined by the appended patent application scope. Accurate.

10: Foldable electronic devices

11: Body

111:The first chassis

112:Second chassis

12: base

13:Support

131: Pivot joint

132: Support part

132a: Undertaking surface

132b: Bottom surface

133:Linear chute

14:Arc slider

15:Flexible screen

151: Fixed segment

152: Flexible segment

Claims (14)

A foldable electronic device includes: two bodies; a base, which is arranged between the two bodies and has at least two arc-shaped slide grooves; two supports, which are respectively pivotally connected to the two bodies, and are respectively Located on opposite sides of the base; at least two arc-shaped sliders are respectively slid in the two arc-shaped chutes and are respectively slidably connected to the two supports; and a flexible screen, including two fixed segment and a flexible segment located between the two fixed segments, wherein the two fixed segments are respectively fixed to the two bodies, and the flexible segment contacts the two supports, and the two bodies move relative to the base as the two bodies As the base rotates, the two arc-shaped sliding members slide relative to the base along the two arc-shaped chute respectively, and drive the two supporting members to rotate relative to the two bodies respectively, and the flexible segment follows the rotation of the base. The two supporting members move to switch between a flat state and a bent state. The foldable electronic device of claim 1, wherein each support member includes a pivot portion pivoted to the corresponding body and a support portion connected to the pivot portion, and the two supports of the two support members The flexible section of the flexible screen contacts the two support parts of the two support members. The foldable electronic device as claimed in claim 2, wherein the support portion of each support member has a receiving surface contacting the flexible segment of the flexible screen and a bottom surface relative to the receiving surface, and each supporting member The component also includes a linear slide located on the bottom surface groove, and the two arc-shaped sliding parts are respectively slidably connected to the two linear slide grooves of the two supporting parts. The foldable electronic device according to claim 3, wherein each arc-shaped sliding member includes an arc-shaped sliding part slidably disposed in the corresponding arc-shaped slide groove and a sliding protruding pin protruding from the arc-shaped sliding part. , and the two sliding lug pins of the two arc-shaped sliding parts are respectively slidably connected to the two linear slide grooves of the two supporting parts. The foldable electronic device of claim 4, wherein the center of curvature of the arc-shaped sliding part of each arc-shaped sliding member is the same as the center of curvature of the corresponding arc-shaped slide groove. The foldable electronic device according to claim 1, wherein the base also has at least one side limiter, and the side limiter is located on one side of the two arc-shaped slides, each of the arc-shaped slides A part of it is covered by the side limiter. The foldable electronic device as claimed in claim 1, wherein the base also has a top surface facing the two supports, and each arc-shaped slide groove has a first opening and a second opening relative to the first opening. opening, the two first openings and the two second openings of the two arc-shaped chute are located on the top surface of the base, and the two second openings of the two arc-shaped chute are located on the between the two first openings. The foldable electronic device as claimed in claim 7, wherein the two arc-shaped sliders are inserted into the two arc-shaped slide grooves from the two first openings respectively, and the end of each arc-shaped slider protrudes from the corresponding The second opening of the arcuate chute may be located in the corresponding arcuate chute. The foldable electronic device according to claim 1, wherein the foldable electronic device further includes two sealing rings, and the two sealing rings are respectively arranged on the two bodies, and each sealing ring has a first sealing section. and a second sealing section connected to the first sealing section, and the two second sealing sections of the two sealing rings are in sliding contact with the outer surface of the base. The foldable electronic device as claimed in claim 9, wherein each body has a first casing and a second casing installed on the first casing, and each sealing ring is fixed to the corresponding third casing of the body. between a casing and the second casing, and a part of the second sealing section of each sealing ring protrudes from the first casing and the second casing. The foldable electronic device according to claim 10, wherein the second sealing section of each sealing ring includes a positioning part and a blocking part relative to the positioning part, and the positioning part is fixed to the corresponding third part of the body. Between a casing and the second casing, the blocking portion protrudes from the corresponding first casing and second casing of the body and slides in contact with the outer surface of the base. The foldable electronic device of claim 11, wherein the second sealing section of each sealing ring further includes a buffer portion, and the buffer portion extends from the positioning portion to the blocking portion. The foldable electronic device of claim 12, wherein the second sealing section of each sealing ring further includes a flexure, and the buffering part is connected to the blocking part through the flexure. The foldable electronic device as claimed in claim 12, wherein the buffering portion of the second sealing section of each sealing ring is perpendicular to the positioning portion.

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