CN113176809B - Electronic equipment - Google Patents
Electronic equipment Download PDFInfo
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- CN113176809B CN113176809B CN202110388850.3A CN202110388850A CN113176809B CN 113176809 B CN113176809 B CN 113176809B CN 202110388850 A CN202110388850 A CN 202110388850A CN 113176809 B CN113176809 B CN 113176809B
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- frame
- flexible screen
- flexible printed
- electronic device
- flexible
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- 238000005096 rolling process Methods 0.000 claims description 8
- 238000004804 winding Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
- H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application discloses electronic equipment, and relates to the field of electronic products. An electronic device includes a flexible screen; the frame assembly comprises a first frame and a second frame, the first frame and the second frame are movably arranged, a first cavity is formed on the first frame, a second cavity is formed on the second frame, the flexible screen is arranged between the first frame and the second frame, and one end of the flexible screen is fixed on the second frame; the driving assembly is arranged in the first cavity and the second cavity and comprises a flexible printed part and an electro-deformation part, one end of the flexible printed part is connected with the first frame, and the other end of the flexible printed part is connected with the second frame; under the condition of electrifying, the electro-deformation element deforms to drive the flexible printed element to extend or shrink, and the flexible printed element drives the first frame and the second frame to be relatively far away or close to each other so as to enable the flexible screen to be unfolded or folded. The application solves the problems that the motor drive occupies large space and affects the layout of other electronic components.
Description
Technical Field
The application belongs to the technical field of electronic products, and particularly relates to electronic equipment.
Background
In recent years, with the continuous development of flexible display technology, more electronic devices adopting a rollable screen are appeared on the market, and when a user uses the electronic device, the size of the screen can be adjusted according to the needs, so that the user experience can be improved. However, the conventional curled screen adopts motor driving, which occupies a large space and affects the layout of electronic components in the electronic equipment.
Disclosure of Invention
The embodiment of the application aims to provide electronic equipment, which can solve the problems that the conventional curled screen occupies a large space when driven by a motor and other electronic components are affected.
In order to solve the technical problems, the application is realized as follows:
The embodiment of the application provides electronic equipment, which comprises:
A flexible screen;
The frame assembly comprises a first frame and a second frame, the first frame and the second frame are movably arranged, the first frame is provided with a first cavity, the second frame is provided with a second cavity, the flexible screen is at least partially arranged between the first frame and the second frame, one end of the flexible screen is fixed on the second frame, and the other end of the flexible screen is movable relative to the second frame;
The driving assembly is arranged in the first cavity and the second cavity, and comprises a flexible printed part and an electro-deformation part arranged on the flexible printed part, one end of the flexible printed part is connected with the first frame, and the other end of the flexible printed part is connected with the second frame;
under the condition of electrifying, the electro-deformation piece deforms and drives the flexible printed piece to extend or shrink, and the flexible printed piece drives the first frame and the second frame to be relatively far away or close to each other, so that the flexible screen is unfolded or folded.
In the embodiment of the application, the shape of the electro-deformation element is changed under the condition of electrifying, and the flexible printed element is driven to extend or contract, so that the first frame and the second frame are driven to be relatively far away or relatively close, and the flexible screen is unfolded or folded under the action of the first frame and the second frame, so that the display area of the flexible screen is changed. For example, when a user needs a display screen with larger demand, a first type of voltage can be introduced to deform the electro-deformation element towards a first direction, the electro-deformation element drives the flexible printed element to extend, and the flexible printed element drives the first frame and the second frame to be relatively far away, so that the flexible screen is unfolded, and the display area of the flexible screen is enlarged; when a user needs a smaller display screen or carries the display screen, a second type of voltage can be introduced to enable the electro-deformation element to deform towards a second direction opposite to the first direction, the electro-deformation element drives the flexible printed element to shrink, and the flexible printed element drives the first frame and the second frame to be relatively close to each other, so that the flexible screen is folded, and the display area of the flexible screen is reduced. Based on the arrangement, compared with a conventional motor driving mode, the driving assembly is simpler and smaller, the space occupied by the driving assembly is reduced, and the influence on the layout of other electronic components in the electronic equipment is relieved.
Drawings
Fig. 1 is a schematic diagram of a flexible screen of an electronic device in a folded state according to an embodiment of the present application;
Fig. 2 is a schematic view of a flexible screen of an electronic device in an unfolded state according to an embodiment of the present application;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 2;
FIG. 6 is a cross-sectional view taken along line D-D of FIG. 2;
FIG. 7 is a cross-sectional view taken along E-E in FIG. 4;
FIG. 8 is a cross-sectional view taken along line F-F in FIG. 4;
FIG. 9 is a cross-sectional view taken along G-G in FIG. 6;
FIG. 10 is a cross-sectional view taken along H-H in FIG. 6;
fig. 11 is a schematic diagram of a driving assembly according to an embodiment of the present application.
Reference numerals illustrate:
100-a frame assembly; 110-a first frame; 111-a first frame part; 1111—a first cavity; 112-a housing part; 120-a second frame; 121-a second frame portion; 1211-a second cavity; 1212-a slide; 122-connection; 130-a first guide; 131-guide channel; 140-a second guide;
200-flexible screen; 210-a display area; 220-hidden area;
300-a drive assembly; 310-flexible printed article; 311-valley peak region; 312-valley regions; 320-an electro-deformation member;
400-rolling shaft;
500-supporting rods.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
The following describes embodiments of the present application in detail through specific embodiments and application scenarios thereof with reference to the accompanying drawings.
Referring to fig. 1 to 11, an embodiment of the present application discloses an electronic device including a flexible screen 200, a frame assembly 100, and a driving assembly 300.
The flexible screen 200 is a display component of the electronic device, and the flexible screen 200 can be used for users to browse information and operate the electronic device. Optionally, the flexible screen 200 may be unfolded or folded to adjust the area of the display area 210, and when a user has a larger screen requirement, the flexible screen 200 is unfolded to provide the user with a larger display area 210, so as to facilitate browsing and operation of the user; when a user has a small screen requirement or carries, the flexible screen 200 is folded, so that the overall size of the electronic equipment is reduced, and the electronic equipment is convenient to carry.
The frame assembly 100 is a basic component of the electronic device, and the flexible screen 200 may be located inside the frame assembly 100, and the flexible screen 200 may be supported and protected by the frame assembly 100. The frame assembly 100 includes a first frame 110 and a second frame 120, with the first frame 110 and the second frame 120 being disposed for relative movement therebetween. In this way, the flexible screen 200 can be driven to be unfolded or folded by the relative movement of the first frame 110 and the second frame 120, so as to adjust the display area of the flexible screen 200. Alternatively, the first frame 110 may be a concave frame structure, and the second frame 120 may be a concave frame structure. In this way, after the first frame 110 and the second frame 120 are assembled with each other, a receiving space is defined therebetween, and the flexible screen 200 may be at least partially disposed between the first frame 110 and the second frame 120. Considering that the flexible screen 200 needs to be unfolded or folded, in the embodiment of the present application, one end of the flexible screen 200 is fixed to the second frame 120, the other end of the flexible screen 200 is movable relative to the second frame 120, and the other end of the flexible screen 200 may be disposed on the first frame 110 and movable relative to the first frame 110.
When a larger flexible screen 200 is needed, the first frame 110 and the second frame 120 are relatively far away, and at this time, the second frame 120 synchronously pulls one end of the flexible screen 200 away from the first frame 110, so that the flexible screen 200 is unfolded, a larger display area 210 is provided for a user, and user experience is improved; when the flexible screen 200 is required to be small or carried, the first frame 110 and the second frame 120 are relatively close to each other, and at this time, the flexible screen 200 can be folded to reduce the area, so that the portable electronic device is convenient for a user to carry.
It should be noted that, in order to enable the flexible screen 200 to be folded more smoothly, a power source may be added, for example, a traction structure is provided at the other end of the flexible screen 200 to draw the other end of the flexible screen 200 when the first frame 110 and the second frame 120 are relatively close together, so that a portion of the flexible screen 200 enters the frame assembly 100 and the display area 210 of the flexible screen 200 is correspondingly reduced. In addition, when the other end of the flexible screen 200 is wound on the winding device, the flexible screen 200 can be wound by the winding device, so that the other end of the flexible screen 200 can be pulled when the first frame 110 and the second frame 120 are relatively close to each other, so that part of the flexible screen 200 enters the frame assembly 100 to correspondingly reduce the display area 210 of the flexible screen 200. The folding manner of the flexible screen 200 is not limited in the embodiment of the present application, as long as the flexible screen 200 can be folded smoothly.
In order to realize the relative movement between the first frame 110 and the second frame 120, a driving assembly 300 is added in the embodiment of the present application. Specifically, a first cavity 1111 is provided on the first frame 110, and a second cavity 1211 is provided on the second frame 120. Alternatively, a first cavity 1111 is opened on an end surface of the first frame 110 opposite to the second frame 120, and correspondingly, a second cavity 1211 is opened on an end surface of the second frame 120 opposite to the first frame 110. In this way, when the first frame 110 is not separated from the second frame 120, the first cavity 1111 and the second cavity 1211 together enclose an entire cavity, so that an installation space for the driving assembly 300 can be provided.
The driving assembly 300 includes a flexible printed member 310 and an electro-deformable member 320, wherein one end of the flexible printed member 310 is connected to the first frame 110 and the other end is connected to the second frame 120. Alternatively, a part of the flexible printed unit 310 is located in the first cavity 1111 and is fixedly connected to the bottom end surface of the first cavity 1111, and another part is located in the second cavity 1211 and is fixedly connected to the bottom end surface of the second cavity 1211. In addition, the flexible printed member 310 may be a folded flexible printed board having scalability so that it can accommodate relative movement between the first frame 110 and the second frame 120. The electro-deformation element 320 is disposed on the flexible printed board, the electro-deformation element 320 is a structural member capable of being deformed under the condition of electrification, and the deformation modes of the electro-deformation element 320 are different according to different electrification conditions. For example, when a positive voltage is applied to the electro-deformation element 320, the electro-deformation element may bend and deform toward one side, when a negative voltage is applied, the electro-deformation element 320 may bend and deform toward the other side, and may return to an initial state when the electro-deformation element 320 is powered off, and the degree of deformation may be determined according to the magnitude of the applied voltage. The electro-deformation element 320 is disposed on the flexible printed element 310, and can drive the flexible printed element 310 to stretch or shorten when the electro-deformation element 320 deforms, so that the flexible printed element 310 drives the first frame 110 and the second frame 120 to move relatively. The specific principles of the electro-deformation element 320, and the specific structure and principles of the flexible printed element 310, are described herein, and are not described in detail in the related art.
In the embodiment of the present application, when the electro-deformation element 320 is energized, the electro-deformation element 320 deforms and drives the flexible printed element 310 to extend or retract, and as the two ends of the flexible printed element 310 are respectively connected with the first frame 110 and the second frame 120, the flexible printed element 310 drives the first frame 110 and the second frame 120 to be relatively far away or relatively close, and the first frame 110 and the second frame 120 relatively move to realize the expansion or retraction of the flexible screen 200.
Based on the above arrangement, when a user is demanding a larger display screen, a first form of voltage can be applied to deform the electro-deformation element 320 towards the first direction, the electro-deformation element 320 drives the flexible printed element 310 to extend, and the flexible printed element 310 drives the first frame 110 and the second frame 120 to be relatively far away, so that the flexible screen 200 is unfolded, and the display area of the flexible screen 200 is enlarged; when a user needs a smaller display screen or carries the display screen, a voltage of a second form can be introduced to deform the electro-deformation element 320 towards a second direction opposite to the first direction, the electro-deformation element 320 drives the flexible printed element 310 to shrink, and the flexible printed element 310 drives the first frame 110 and the second frame 120 to be relatively close to each other, so that the flexible screen 200 is folded, and the display area of the flexible screen 200 is reduced. Based on the above arrangement, compared with a conventional motor driving mode, the driving assembly 300 is simpler and smaller, the space occupied by the driving assembly 300 is reduced, and the influence on the layout of other electronic components in the electronic equipment is relieved.
Referring to fig. 8 and 10, in some embodiments, in order to achieve the relative movement between the first frame 110 and the second frame 120, a first guide 130 is provided on the first frame 110, and correspondingly, a second guide 140 is provided on the second frame 120, and the relative movement between the first frame 110 and the second frame 120 may be achieved by slidably connecting the first guide 130 and the second guide 140.
In a more specific embodiment, the first guide 130 may be a first guide bar, and the second guide 140 may be a second guide bar, one end of the first guide bar being welded to the first frame 110 and extending toward the second frame 120, and one end of the second guide bar being welded to the second frame 120 and extending toward the first frame 110. In order to enable the first guide rod and the second guide rod to slide relatively, a hole site can be formed on the first guide rod along the length direction of the first guide rod to form a guide channel 131, and the second guide rod part is penetrated in the guide channel 131 of the first guide rod and can move in the guide channel 131. Of course, a hole may be formed in the second guide rod along the length direction thereof to form the guide channel 131, and the first guide rod portion is disposed through the guide channel 131 of the second guide rod and is movable in the guide channel 131. In this manner, a relatively distant or relatively close between the first frame 110 and the second frame 120 is achieved by the movable connection between the first and second guide bars. In addition, a guide rail may be provided on the first frame 110 or the second frame 120 so that the two are slidably connected through the guide rail, and a relative distance or a relative approach between the first frame 110 and the second frame 120 may be achieved. The sliding fit manner between the first frame 110 and the second frame 120 is not limited in the embodiment of the present application.
In some embodiments, the first frame 110 includes first frame portions 111 disposed at both sides of the flexible screen 200, respectively, and a housing portion 112 connecting the first frame portions 111 at both sides, as shown in fig. 2 and 3. The first frame portions 111 and the housing portions 112 on both sides form a concave frame structure, so that a part of the flexible screen 200 can be surrounded to limit and protect the flexible screen 200. Optionally, at least one first cavity 1111 is defined on the first frame portion 111 on each side, comprising: one, two, three, five, etc., the number of the first cavities 1111 in the first frame portion 111 is not limited in the embodiment of the present application.
The second frame 120 includes second frame portions 121 provided at both sides of the flexible screen 200, respectively, and connection portions 122 connecting the second frame portions 121 at both sides, as shown in fig. 2 and 3. The second frame parts 121 and the connecting parts 122 on two sides form a concave frame structure, so that the other part of the flexible screen 200 can be surrounded to limit and protect the flexible screen 200. Optionally, at least one second cavity 1211 is defined on the second frame portion 121 on each side, including: one, two, three, five, etc., the number of the second cavities 1211 on the second frame part 121 is not limited in the embodiment of the present application.
In the embodiment of the present application, the number of the first cavities 1111 on the first frame portion 111 is equal to the number of the second cavities 1211 on the second frame portion 121, and the first cavities 1111 are disposed corresponding to the second cavities 1211, so that the driving assembly 300 can be commonly accommodated.
Based on the above arrangement, when the first frame 110 is not separated from the second frame 120, a part of the flexible screen 200 is received inside the frame assembly 100 and another part of the flexible screen 200 is displayed outside for the user to browse and operate. Alternatively, the flexible screen 200 includes a first end and a second end disposed opposite to each other, the first end being movably disposed on the second frame 120, and the second end being fixed to the connection portion 122.
Referring to fig. 4 and 6, in some embodiments, the flexible screen 200 may include a display area 210 and a hidden area 220, wherein the display area 210 is a portion exposed outside the frame assembly 100 for a user to view or manipulate, and the hidden area 220 is a portion located inside the frame assembly 100. When the flexible screen 200 is unfolded, the hidden portion is partially removed from the inside of the frame assembly 100 to become the display area 210, so that the area of the display area 210 can be increased; when the flexible screen 200 is folded, a portion of the display area 210 moves from the outside of the frame assembly 100 to the inside of the frame assembly 100 to become a hidden area 220, so that the area of the display area 210 can be reduced. Typically, the display area 210 is located at an upper layer of the frame assembly 100 and the hidden area 220 is located at a lower or middle layer of the frame assembly 100. The middle portion of the flexible screen 200 may be provided with a support structure, such as a shaft-like member, on which the flexible screen 200 is wound, and through which the flexible screen 200 may be bent, curled, etc., so that the flexible screen 200 appears as a display area 210 located at the upper layer of the frame assembly 100 and a hidden area 220 located at the lower or middle layer of the frame assembly 100.
In order to facilitate the unfolding or folding of the flexible screen 200, in the embodiment of the application, a rolling shaft 400 and a supporting rod 500 are added, the rolling shaft 400 is rotatably arranged in the shell part 112, the middle area of the flexible screen 200 is wound on the rolling shaft 400, and when the flexible screen 200 is unfolded or folded, the rolling shaft 400 can rotate relative to the shell part 112, so that a certain dredging effect is played on the flexible screen 200, the moving resistance of the flexible screen 200 is reduced, and the moving smoothness of the flexible screen 200 is improved. The support bar 500 is movably disposed on the second frame part 121, the first end of the flexible screen 200 is connected to the support bar 500, and when the first frame 110 is relatively far from the second frame 120, the second end of the flexible screen 200 moves along with the connection part 122 in a direction away from the first frame 110, and the first end of the flexible screen 200 pulls the support bar 500 to move in a direction approaching the first frame 110 relative to the second frame 120, so that the area of the display area 210 of the flexible screen 200 can be adjusted. When the first frame 110 and the second frame 120 are relatively close, the support rod 500 moves on the second frame 120 towards a direction away from the first frame 110, and the first end of the flexible screen 200 is pulled by the support rod 500, so that more flexible screens 200 are pulled into the frame assembly 100 to adapt to the relatively close of the first frame 110 and the second frame 120, and therefore, the problems of wrinkling, curling and the like of the flexible screen 200 can be effectively prevented.
Further, in order to drive the movement of the support bar 500 with respect to the second frame 120, another driving assembly 300 is provided between the support bar 500 and the connection part 122, and the support bar 500 can be driven to move with respect to the second frame 120 by the driving assembly 300. Alternatively, the driving assembly 300 has the same structure and operation principle as the driving assembly 300 driving the first and second frames 110 and 120, and includes a flexible printed unit 310 and an electro-deformation unit 320 disposed on the flexible printed unit 310, wherein one end of the flexible printed unit 310 is connected to the support bar 500, and the other end is connected to the connection part 122. In this way, when the first frame 110 and the second frame 120 are relatively far away, the driving assembly 300 disposed in the first cavity 1111 and the second cavity 1211 contracts to provide traction force, the connection portion 122 on the second frame 120 synchronously drives the second end of the flexible screen 200 to move away from the first frame 110, the middle portion of the flexible screen 200 is supported by the rolling shaft 400 and drives the rolling shaft 400 to rotate, the first end of the flexible screen 200 pulls the supporting rod 500 to move towards the direction approaching the first frame 110 relative to the second frame 120, and at the same time, the driving assembly 300 connected between the supporting rod 500 and the fixing portion extends, so that interference is not generated in the unfolding process of the flexible screen 200, and the hidden area 220 located in the frame assembly 100 is partially moved out and converted into the display area 210, so that the display area of the flexible screen 200 is increased. When the first frame 110 and the second frame 120 are relatively close, the driving assembly 300 disposed in the first cavity 1111 and the second cavity 1211 is extended to provide a pushing force, the connection part 122 on the second frame 120 simultaneously drives the second end of the flexible screen 200 to move toward the direction approaching the first frame 110, at this time, the driving assembly 300 connected between the support bar 500 and the fixing part is contracted and applies a traction force to the support bar 500, at the same time, the driving assembly 300 disposed in the first cavity 1111 and the second cavity 1211 is contracted, thereby not interfering with the folding process of the flexible screen 200, the first end of the flexible screen 200 is moved away from the first frame 110 along with the support bar 500 moving toward the direction away from the first frame 110 relative to the second frame 120, so that the display area 210 disposed outside the frame assembly 100 is partially moved into the frame assembly 100 to be converted into the hidden area 220, and the display area of the flexible screen 200 is reduced.
Based on the above arrangement, through the mutual cooperation of the two sets of driving assemblies 300, the first frame 110 and the second frame 120 can be far away from or close to each other, and the flexible screen 200 can be unfolded or folded along with the relative movement between the first frame 110 and the second frame 120, so as to meet different requirements of users. It should be noted that, during the deployment of the flexible screen 200, the driving assemblies 300 located in the first and second cavities 1111 and 1211 are elongated, and the driving assemblies 300 connected between the support bar 500 and the fixing portion are elongated; during the folding of the flexible screen 200, the driving assembly 300 positioned in the first and second chambers 1111 and 1211 is contracted, and the driving assembly 300 connected between the support bar 500 and the fixing portion is contracted.
Referring to fig. 8 and 10, in some embodiments, the second frame portion 121 is provided with a sliding portion 1212, the sliding portion 1212 extends along a first direction parallel to a direction in which the first frame 110 and the second frame 120 move relative to each other, and the support rod 500 is slidably connected to the sliding portion 1212. Alternatively, the sliding portion 1212 may be a sliding groove, a sliding rail, or the like, and two ends of the supporting rod 500 are respectively slidably connected with the sliding portions 1212 on the first frame portions 111 on two sides, so as to ensure that the flexible screen 200 is more stable and smooth in the unfolding or folding process.
In other embodiments, the electronic device may further include a take-up shaft (not shown) rotatably disposed inside the housing portion 112. Alternatively, the winding shaft may include a driving motor as a power source for rotation of the winding shaft, the winding shaft is driven to rotate by the driving motor, and the first end of the flexible screen 200 is pulled by the winding shaft to wind the flexible screen 200 when the first frame 110 and the second frame 120 are relatively close to each other, so as to prevent the flexible screen 200 from being wrinkled or curled. It should be noted that, the speed of winding the flexible screen 200 by the winding shaft is equal to the speed of relatively approaching the first frame 110 and the second frame 120, so as to prevent the winding action of the flexible screen 200 and the relatively approaching action of the two frames from interfering with each other.
In some embodiments, the electronic device has a first side and a second side disposed opposite each other. Alternatively, the first side and the second side are spaced apart along the thickness direction of the electronic device. The flexible screen 200 includes a first end and a second end disposed opposite one another. It will be appreciated that the first and second ends are disposed along the direction of deployment or deployment of the flexible screen 200. The second end of the flexible screen 200 is fixedly connected with the area of the second frame 120 located at the first side, and the first end of the flexible screen 200 is wound from the first side to the second side and extends towards a direction away from the first housing 110. It is understood that the first side is an upper side of the electronic device in the thickness direction and the second side is a lower side of the electronic device in the thickness direction, and thus the flexible screen 200 is folded back from the upper side of the electronic device to the lower side of the electronic device through the first frame 110.
Based on the above arrangement, in the case where the first frame 110 is folded with respect to the second frame 120, the first end of the flexible screen 200 is located at the end of the second frame 120 away from the first frame 110, and in the case where the first frame 110 is unfolded with respect to the second frame 120, the first end of the flexible screen 200 is located at the end of the second frame 120 adjacent to the first frame 110. It will be appreciated herein that, during the process of relatively folding the first frame 110 and the second frame 120, as the flexible screen 200 moves, the portion of the flexible screen 200 located on the upper side of the electronic device moves into the frame assembly 100, thereby reducing the display area of the flexible screen 200. During the relative unfolding of the first frame 110 and the second frame 120, the portion of the flexible screen 200 located at the lower side of the electronic device moves out of the frame assembly 100 as the flexible screen 200 moves, thereby increasing the display area of the flexible screen 200. The first end is located at an end of the second frame 120 away from the first frame 110, and is not limited to the end of the second frame 120, and may include a region near the end; likewise, the first end is located at an end of the second frame 120 adjacent to the first frame 110, and is not limited to the end of the second frame 120, and may include a region near the end.
In some embodiments, the flexible printed circuit 310 may be a foldable FPC (Flexible Printed Circuit), and the FPC is a flexible printed circuit board, which is made of polyimide or mylar, and has high reliability, excellent flexibility, high wiring density, light weight, thin thickness, and good flexibility. Based on this, when the electro-deformation member 320 is energized, the foldable FPC may be driven to be elongated or contracted to change the length of the flexible printed member, thereby driving the first frame 110 to be relatively far away from or relatively close to the second frame 120 by the flexible printed member, or driving the support member to be moved relative to the second frame 120.
Further, referring to fig. 11, the flexible printed circuit 310 includes valley regions 311 and valley regions 312 that are periodically and alternately arranged, and the electro-deformation element 320 is connected between adjacent valley regions 311. When the electro-deformation element 320 is energized, the two adjacent sets of valley and peak regions 311 can be driven away from or toward each other, so that the length of the flexible printed element 310 can be changed. Optionally, a plurality of electro-deformation elements 320 disposed side by side are connected between each two adjacent sets of valley-peak regions 311, so as to ensure that the flexible printed element 310 stretches more uniformly around the direction perpendicular to the stretching direction. In addition, the electro-deformation member 320 may be fixed to the valley region 311 by welding.
The electronic device in the embodiment of the application can be a mobile phone, a tablet personal computer, an electronic book reader, a wearable device, a vehicle-mounted device, an unmanned aerial vehicle device and the like, and the embodiment of the application is not limited to the specific type of the electronic device.
In summary, the electronic device disclosed in the embodiment of the present application does not adopt motor driving, so that the whole electronic device has a simple structure and a reduced volume, and when there is a display requirement of playing games, watching video and other comprehensive screens, the flexible screen 200 can be unfolded, so as to realize larger-area screen display, thereby improving experience of users such as extreme games and video and audio; when the electronic device is required to be carried and reduced in size, the flexible screen 200 can be folded, so that the purposes of reducing the size and being convenient to carry are achieved.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are to be protected by the present application.
Claims (11)
1. An electronic device, comprising:
A flexible screen (200);
A frame assembly (100), wherein the frame assembly (100) comprises a first frame (110) and a second frame (120), the first frame (110) and the second frame (120) are movably arranged, the first frame (110) is provided with a first cavity (1111), the second frame (120) is provided with a second cavity (1211), the flexible screen (200) is at least partially arranged between the first frame (110) and the second frame (120), one end of the flexible screen (200) is fixed on the second frame (120), and the other end of the flexible screen (200) is movable relative to the second frame (120);
The driving assembly (300) is arranged in the first cavity (1111) and the second cavity (1211), the driving assembly (300) comprises a flexible printed part (310) and an electro-deformation part (320) arranged on the flexible printed part (310), one end of the flexible printed part (310) is connected with the first frame (110), and the other end of the flexible printed part is connected with the second frame (120);
under the condition of electrifying, the electro-deformation piece (320) deforms and drives the flexible printed piece (310) to extend or retract, and the flexible printed piece (310) drives the first frame (110) and the second frame (120) to be relatively far away or close to each other so as to enable the flexible screen (200) to be unfolded or folded.
2. The electronic device according to claim 1, characterized in that the first frame (110) is provided with a first guide (130), the second frame (120) is provided with a second guide (140), one of the first guide (130) and the second guide (140) is provided with a guide channel (131), the other being movably arranged in the guide channel (131).
3. The electronic device according to claim 1, wherein the first frame (110) comprises a first frame portion (111) provided on both sides of the flexible screen (200) and a housing portion (112) connecting the first frame portions (111) on both sides, respectively, the first frame portion (111) being provided with at least one of the first cavities (1111);
The second frame (120) comprises second frame parts (121) respectively arranged at two sides of the flexible screen (200) and connecting parts (122) for connecting the second frame parts (121) at two sides, the second frame parts (121) are provided with at least one second cavity (1211), and the second cavity (1211) is arranged corresponding to the first cavity (1111);
the flexible screen (200) comprises a first end and a second end which are arranged opposite to each other, wherein the first end is movably arranged on the second frame part (121), and the second end is fixed on the connecting part (122).
4. The electronic device according to claim 3, further comprising a roll shaft (400) and a support bar (500), the roll shaft (400) being rotatably provided to the housing portion (112), the support bar (500) being movably provided to the second frame portion (121);
The flexible screen (200) is wound on the rolling shaft (400), and the first end of the flexible screen (200) is connected with the supporting rod (500).
5. The electronic device according to claim 4, wherein the support bar (500) is connected to the connection portion (122) by means of a further driving assembly (300);
The driving assembly (300) comprises a flexible printed part (310) and an electro-deformation part (320) arranged on the flexible printed part (310), one end of the flexible printed part (310) is connected with the supporting rod (500), and the other end of the flexible printed part is connected with the connecting part (122).
6. The electronic device according to claim 4, wherein the second frame part (121) is provided with a sliding part (1212) extending in a first direction, and the support bar (500) is slidably connected to the sliding part (1212), the first direction being parallel to a direction in which the first frame (110) and the second frame (120) move relative to each other.
7. An electronic device according to claim 3, characterized in that the electronic device comprises a take-up shaft rotatably arranged to the housing part (112), the first end of the flexible screen (200) being wound around the take-up shaft.
8. The electronic device of claim 1, wherein the electronic device has first and second sides disposed opposite each other, the flexible screen (200) including first and second ends disposed opposite each other, the second end being fixedly connected to a region of the second frame (120) at the first side, the first end being wrapped around the second side from the first side and extending in a direction away from the first frame (110);
The first end is located at an end of the second frame (120) remote from the first frame (110) in a case where the first frame (110) is folded against the second frame (120), and the first end is located at an end of the second frame (120) adjacent to the first frame (110) in a case where the first frame (110) is unfolded against the second frame (120).
9. The electronic device of claim 1, wherein the flexible printed matter (310) is a foldable FPC.
10. The electronic device of claim 9, wherein the flexible printed matter (310) includes valley regions (311) and valley regions (312) arranged periodically, the electro-deformation element (320) being connected between adjacent ones of the valley regions (311).
11. The electronic device according to claim 2, wherein the first guide member (130) is a first guide rod, the second guide member (140) is a second guide rod, one end of the first guide member (130) is welded to the first frame (110), one end of the second guide rod is welded to the second frame (120), and the other end of the first guide rod is inserted into the second guide rod or the other end of the second guide rod is inserted into the first guide rod.
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