WO2017166143A1 - Flexible display device - Google Patents

Abstract

Provided is a flexible display device, comprising a display screen body and a base. The display screen body comprises a head end and a tail end. The base comprises a plurality of outer surfaces formed by connecting planes end to end in turn. The head end of the display screen body is fixed with the outer surfaces of the base. The display screen body is wound around the base. The tail end is located outside the display screen body. The flexible display screen of the present application can not only be rolled onto the base so as to be carried conveniently, but can also be separated from the base so as to be convenient for a user to use.

Description

Flexible display device Technical field

The present invention relates to the field of electronic communications, and more particularly to a flexible display device.

Background technique

Electronic devices such as mobile phones, PDAs, and notebooks are widely used in life. Users generally operate the electronic devices through touch screens or external keyboards. With the development of high technology, consumers' portability to electronic devices. And the requirements for diversity are getting higher and higher. For example, reducing the size of the electronic device facilitates carrying and setting the touch screen to improve operability. The touch flexible display device can shrink volume and is convenient to carry, and has wide application prospects in the future.

Existing flexible displays typically include a reel and a flexible display that is reeled within the reel. When needed, pull the flexible display out of the roll and unfold it. However, the ends of the flexible display are basically fixed in the reel and cannot be separated from the reel, resulting in inflexibility.

Summary of the invention

Embodiments of the present invention provide a flexible display device that is flexible in use.

The present application provides a flexible display device including a display assembly and a base that are separable from each other, the display assembly including a head end and a tail end, the base includes an outer surface for the display component to be attached, and the display assembly includes The roll state and the unfolded state, in the winding state, the display component head end is coupled to the outer surface of the base, and the display component is wound around the outer surface of the base.

The flexible display screen described in the present application can be retracted on the pedestal for carrying, and can be separated from the pedestal, which is convenient for the user to use, and can realize flexible operation of the display screen and the pedestal.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings to be used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without paying any creative work.

1 is a schematic view of a flexible display device provided by the present invention, wherein the flexible display device is in a wound state.

2 is a schematic view of a display main body of the flexible display device shown in FIG. 1.

3 is a schematic view of a base of the flexible display device shown in FIG. 1.

4 is a schematic view of the flexible display device of the present invention unfolded and supported by a susceptor.

Figure 5 is a schematic illustration of an embodiment in which the flexible display device of Figure 1 is provided with two supports.

Fig. 6 is a schematic view showing the flexible display device shown in Fig. 5 in a bent state.

Fig. 7 is a schematic view showing an embodiment in which the flexible display device shown in Fig. 5 is provided with a plurality of supports.

8 and 9 are schematic views of the flexible display device shown in FIG. 5 provided with different positioning components.

Fig. 10 is an enlarged schematic view showing a portion of the structure shown in Fig. 9.

Figure 11 is a schematic view of another embodiment of the flexible display device shown in Figure 5.

Figure 12 is a schematic illustration of the flexible display device of Figure 1 partially folded and supported by a base.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described in the following with reference to the accompanying drawings.

The present invention provides a flexible display device, and the flexible display device according to the embodiment of the present invention is used for, but not limited to, a mobile phone, a tablet computer, a palmtop computer, a personal digital assistant (PDA), an e-reader, etc., and is implemented by the present invention. This example does not specifically limit this.

Referring to FIG. 1 , the flexible display device of the present application includes a display panel assembly and a base 30 that are separable from each other, and the display panel assembly includes a display body 10 and a support body 20 . The base 30 includes an outer surface 31 for the display component to be attached, and the display assembly includes a retracted state and an unfolded state. In the retracted state, the display assembly head end is coupled to an outer surface of the base, and the display assembly is wrapped around an outer surface of the base. In the expanded state, the display component works independently with the processor. The display assembly includes a front surface of the display screen and a back surface opposite to the front surface. In the rewinding state, the display surface of the display assembly faces the outer surface of the base, and the back surface of the display assembly faces away from the outer surface of the base. In the retracted state, the front side of the display assembly is in direct contact with the outer surface of the base. As shown in FIG. 4, in the unfolded state, the back side of the display assembly is in contact with the outer surface of the base, and the base supports the display assembly. In the unfolded state, the display assembly is tilted against the base.

Referring to FIG. 2 and FIG. 3 , specifically, the display main body 10 is a rectangular flexible display screen. The support body 20 is in the shape of a flat plate for supporting the display main body 10 so that the display screen can withstand the touch force when the user operates, and the support main body 20 can be wound around the display main body 10 on the base. 30 on. It can be understood that the support body 20 can be omitted, and the display screen main body 10 is directly wound on the base 30. In this embodiment, the support main body 20 and the display main body 10 are cooperatively coupled with the base 30 as an example. The display main body 10 includes a first end 12 and a tail end 13 , and the base 30 includes a plurality of outer surfaces 31 formed by end-to-end connection by a plane, and the display end 10 of the display main body 10 and the base 30 The outer surface 31 is fixed, and the display main body 10 is wound on the outer surface 31 of the base 30 layer by layer, and the tail end 13 is positioned outside the display main body 10.

Referring to FIG. 3 , in the embodiment, the pedestal 30 is a hollow cylindrical body, specifically a hexagonal prism, and each surface thereof is planar and collectively forms the outer surface 31 . The display main body 10 is axially wound around the base 30 around the base 30. The tail end 13 is positioned outside the display main body 10, and refers to the outermost side after the display main body 10 is wound several times. The base 30 is provided with a speaker 33 at one end and a charging plug 34 at the other end. The charging plug is provided inside the base 30 in a pull-out manner and can be pulled out during use. The speaker 33 can be electrically connected to the display main body 10 as an amplifier speaker. The charger plug 34 may be a charging power source as the display main body 10.

Referring to FIG. 5 and FIG. 6 , in the embodiment, the display main body 10 includes a display surface and a back surface opposite to the display surface (not labeled). One side of the support main body 20 is a support surface 21 , and the support surface The other opposite side of the 21 is provided with two adjacently disposed support bodies, which are the first support body 22 and the second support body 23, respectively. The display main body 10 is laid and fixed to the support main body 20, and the back surface is attached to the support surface 21, and when the display main body 10 is unfolded, the first support body 22 and the second support body 23 are The opposite sides of each other are opposed to each other to support the display main body 10. When the display main body 10 is stowed, the support main body 20 is bent as compared with the display main body 10, and the sides opposite to each other of the first support body 22 and the second support body 23 are relatively opened and separated. In this embodiment, the support body 20 is made of a rubber material. The hardness of the support body 20 is greater than the hardness of the display main body 10. The support body 20 is formed in a flat shape and integrally formed, and the first support body 22 and the second support body 23 are formed by cutting a surface of the support body 20 toward the inner portion of the support body 20 . In other embodiments, the support body 20 includes a flat body (not shown), the support surface 21 is a surface of the flat body, and the first support body 22 and the second support body 23 are plate bodies. And attached to the surface of the flat body opposite to the support surface 21 by a sticking method. When the display main body 10 is wound around the base 30, the support body 20 is facing away from the outer surface 31.

Referring to FIG. 4, when the flexible display screen is used, the display main body 10 is flattened to operate the display screen, and the support main body can also support the display main body to make the screen have sufficient touch hardness. One surface of the base 30 can also be supported on a plane such as a table top. The side of the display main body 10 provided with the support body 20 is abutted against the base 30, so that the display main body 10 is supported at an oblique angle. On the plane for the user to operate. When carrying the flexible display screen, the head end 12 of the display main body 10 is fixed to the base 30, then wound around the outer surface 31, and finally the tail end 13 is fixed to the base 30. The flexible display screen of the present application can be retracted on the pedestal for carrying and separated from the pedestal, and the pedestal can be used as a support for the user to use, and the flexible operation of the display screen and the pedestal can be realized.

Further, the base 30 is internally provided with a processor and a battery, and the processor can be electrically connected to the display main body 10; in the unfolded state, the display assembly operates by the processor of the base 30. Since the internal space of the susceptor 30 is relatively large, it can accommodate a large-capacity battery and a more powerful processor, which can save the internal space of the display main body 10 and improve the performance of the flexible display. The outer surface 31 of the base 30 is provided with an interface, and the first end 12 is provided with a plug electrically connected to the interface; or the outer surface 31 of the base 30 is provided with a plug, and the first end 12 is provided with An interface electrically connected to the plug. In this embodiment, the outer surface 31 of the base 30 is provided with an interface 32, and the first end 12 is provided with a plug 14 electrically connected to the interface 32. The interface 32 is electrically connected to the plug 14 to electrically connect the processor and the battery to the display main body 10 .

Further, the outer surface 31 of the base 30 is provided with a first connecting portion, and the display main body 10 of the display assembly is provided with a second connecting portion, and the first connecting portion and the second connecting portion are detachably connected to realize the base. The socket 30 is electrically connected to the display assembly. In the unfolded state, the second connecting portion is connected to the first connecting portion, and in the retracted state, the second connecting portion is separated from the first connecting portion. Specifically, a side of the display main body 10 opposite to the display screen is provided with a plug (not shown) electrically connected to the interface 32, that is, a side provided with the support body 20 is provided with a plug. When the support body 20 supports the display main body 10 to be flattened, the outer surface 31 of the base 30 supports the base 30 to be placed on a plane, and the support main body 20 is supported by the base 30 to further display the display The body 10 is supported on a plane, and the plug is coupled to the interface 32 to effect connection of the processor to the display body 10. In addition, referring to FIG. 12, the interface 32 can also be located at other locations on the outer surface 31 such that when the plug is docked with the interface 32, the display body 10 assumes the form of a notebook computer.

Further, the head end 12 of the display assembly is fixed to the outer surface of the base 30 by magnetic attraction. The trailing end 13 of the assembly is fixed by magnetic attraction; in the retracted state, the trailing end 13 of the display assembly is adjacent the leading end, and the trailing end of the display assembly is fixed relative to the leading end 12 by magnetization. Specifically, the first end 12 of the display main body 10 is provided with a first magnet or a hook, and the outer surface 31 of the base 30 is provided with a second magnet or a hook card magnetically attracted to the first magnet. Hold the buckle. In this embodiment, the first end 12 of the display main body 10 is provided with a first magnet (not shown), and the outer surface 31 of the base 30 is provided with a second magnet magnetically attracted to the first magnet ( The first magnet and the second magnet are affixed and fixed, and the head end 12 of the display main body 10 is fixed to the base 30.

Further, the tail end 13 is provided with a third magnet (not shown), and the tail end 13 is positioned on the outer side of the display screen main body 10 opposite to the head end 12 fixed to the base 30. The adsorption of the third magnet and the first magnet or/and the second magnet is performed to fix the tail end 13 to the base. In this embodiment, the displayed display main body 10 is as far as possible. The tail end 13 is located near the head end to obtain a strong suction. It will be appreciated that the support body 20 of the display assembly includes a magnetic intermediary adjacent the trailing end 13 and the head end 12 of the display assembly, the head end 12 and the trailing end 13 of the display assembly being magnetically magnetically coupled to the support body 20. Specifically, a fourth magnet is disposed in one of the two support bodies 20, and the fourth magnet is used to adsorb the first magnet and the second magnet. The support body 20 having the fourth magnet is adjacent to the first end 12 and the tail end 13 at the same time, which acts as a magnetic intermediary and simultaneously adsorbs with the first magnet and the second magnet to achieve a better fixing effect.

Further, the support body 20 is plural and arranged in sequence, and the length of the support body 20 is increased from the head end 12 to the tail end 13 , that is, the length of the support body 20 near the head end 12 . Less than the length of the support body 20 near the trailing end 13. The support body 20 may be a plurality of first support bodies 22 and a plurality of second support bodies 23, and the plurality of first support bodies 22 and the plurality of second support bodies 23 are regularly arranged, and between each two first supports 22 A second support body 23 is provided. In the figure, taking the two first support bodies 22 and the second support body 23 as an example, the length of the first first support body 22 is the shortest, and the length of the last second support body 23 is from the head end 12 to the tail end 13 direction. longest. When the main body 10 of the display screen is wound around the base 30, the display main body 10 has a roll shape, and the radius of the curl gradually increases from the inside to the outside, and the length of the support body 20 is gradually increased to make the two supports of the outer layer. The body 20 can be relatively open at appropriate positions and disposed in parallel with the corresponding support body 20, ensuring that the angles of the bends are the same and that the fit is tight from the inside to the outside.

In the present application, please refer to FIG. 5 and FIG. 6, and the support body 20 will be further described. Specifically, the support body 20 is a plate body having the same thickness as the display main body 10 and supporting the substrate. The surface of the display main body 10 is the support surface 21, and the other surface is formed by cutting the first support body 22 and the second support body 23 forming a rectangular area, the first support body 22 including two opposite first The side 221, the second support body 23 includes two opposite second side edges 231. When the support body 20 is stretched flat, the first side 221 of the first support 22 abuts against the second side 231 of the second support 23 . When the display main body 10 is bent or folded in the display direction, the support main body 20 is bent along with the display main body 10, the first side 221 of the first support body 22 and the second side of the second support body 23 The side edges 231 are separated and relatively open, and the first side 221 forms an angle with the second side 231 to provide a certain bending space for the display main body 10.

The flexible display device of the present application is provided with a support body 20 on the back of the display main body 10, and the flexible display device supports the main body 20 as a plane support when the flattening is used, and the first support body 22 and the side of the second support body 23 abut each other. Thereby supporting the flexible display screen; the user can operate the screen anytime and anywhere, without looking for a flat support screen such as a table, which is convenient for the user to touch on the surface, improving the portability of use; when the display main body 10 needs to be bent and stowed The first support body 22 and the side edges of the second support body 23 are relatively open to facilitate storage of the flexible display device.

Further, the support body 20 further includes a processor and a power source (not shown), the processor and the power source are disposed in the first support body 22, or the processor is disposed on the first support body In the 22, the power source is disposed in the second support body 23, and the processor and the power source are electrically connected to the display screen main body 10. In this embodiment, the processor is disposed in the first support body 22, and the power source is disposed in the second support body 23.

In other embodiments of the present embodiment, referring to FIG. 7 , the first support body 22 is a plurality of and sequentially arranged, and the plurality of first support bodies 22 are respectively provided with a processor, and the second support body 23 is provided. There is a power supply inside. Flexible display space is limited, the processor is placed in the support body, and through multiple processors, the flexible display for better performance. Alternatively, the first support body 22 is one, and the second support body 23 is plural and sequentially arranged, and each of the second support bodies 23 is provided with a power source to make the flexible display screen obtain longer through a large number of batteries. Use time.

Referring to FIG. 8 , further, the support body 20 further includes a positioning component, the positioning component includes a first positioning body 25 and a second positioning body 26 , and the first positioning body 25 is disposed on the first supporting body. The second positioning body 26 is disposed at one end of the second supporting body 23 toward the end of the first supporting body 22, the first positioning 25 and the second The positioning body 26 cooperates to achieve locking between the first support body 22 and the second support body 23. specific, One end of the first support body 22 facing the second support body 23 is a first side 221 , and one end of the second support body 23 facing the first support body 22 is a second side 231 . In this embodiment, the first positioning body 25 and the second positioning body 26 are both magnetic elements, and the two magnetic elements are magnetically attracted. The magnetic element includes any one of a magnetic field generating element (such as a magnet), a magnetic conductive element (such as metallic iron), and a magnetic field changing element (such as an electromagnet). The first positioning body 25 and the second positioning body 26 are preferably electromagnets. When the electromagnet is spread out, the magnetic force is generated when the display screen is spread out. When the display screen is to be folded up, the power is turned off to make the magnetic force disappear or weaken, which is convenient for folding. In this embodiment, the first positioning body 25 and the second positioning body 26 are both electromagnets. When the supporting body 20 is flattened, the first side 221 and the second side of the first supporting body 22 are second. The second side 231 of the support body 23 is resisted, and the first positioning body 25 and the second positioning body 26 magnetically attract and fix the first support body 22 and the second support body 23 to ensure that the support body 20 is flattened. The state improves the stability of use of the support body 20. It can be understood that when the first support body 22 and the second support body 23 are plural, the two first side edges 221 of the first support body 22 and the two second side edges 231 of the second support body 23 are provided. magnet. In other embodiments, the second support body 23 is made of a material that is attracted to the magnet, such as iron. When the first support body 22 is in contact with the second support body 23, it can also be adsorbed and fixed. It can be understood that the magnetic property of the magnetic element is variable, and the magnetic property of at least one of the first positioning body 25 and the second positioning body 26 when the display main body 10 is stowed is weaker than the magnetic property of the display main body 10 when it is unfolded.

Referring to FIG. 9 and FIG. 10 , in another embodiment, the second positioning body 26 is a hook 27 disposed at an end of the second supporting body 23 , and the first supporting body 22 is provided with the card. The socket (not shown) through which the hook 27 passes, the first positioning body 25 includes a button 281 attached to the first support body 22, a rotating shaft 282 received in the first supporting body 22, and a spring 283 connected to the button 281. And putter 284. The push rod 284 is rotatably mounted on the rotating shaft 282 and has a buckle 285 at one end thereof. The button 281 compresses the spring 283 to rotate the push rod 284 to lock or unlock the hook 27 and the buckle 285. . Specifically, a first side edge 221 of the first support body 22 is provided with a socket, and the socket penetrates the inside of the first support body 22. The rotating shaft 282 is fixed in the socket, and the push rod 284 and the buckle 285 are rotatably connected to the rotating shaft 282. The button 281 is fixed on the push rod 284 and passes through the surface of the first supporting body 22 facing away from the supporting surface 21, and the push rod 284 is disposed on the rotating shaft 282. The inside of the first support body 22 is fixed to one end of the button 281, and the buckle 285 is fixed to one end of the push rod 284. The push rod 284 can drive the buckle 285 and the button 281 to rotate about the rotating shaft 282. The buckle 285 and the button 281 are respectively located on opposite sides of the push rod 284. The spring 283 and the buckle 284 are respectively located at opposite ends of the push rod 284. The spring 283 is fixed to the opposite end of the push rod 284. The bomb Both ends of the spring 283 respectively fix the push rod 284 of the button and the inner side wall of the first support body 22. When the support body 20 is extended, the first side 221 of the first support body 22 abuts against the second side 231 of the second support body 23, and the hook 27 is inserted into the socket against the push buckle 285. The buckle 285 drives the push rod 284 to rotate and compress the spring 283 until the buckle 285 is engaged with the hook 27. After the buckle 285 is engaged with the buckle 27, the spring 283 returns to deformation. If the second support body 23 is directly bent around the first support body 22 without pressing the button 281, the spring 283 will generate a pulling force on the end of the push rod 284, preventing the push rod 284 and the buckle 27 from rotating around the rotating shaft 282. Therefore, the buckle 285 cannot be detached from the hook 27, thereby achieving the purpose of locking. When the support body 20 needs to be bent, the button 281 must be pressed first, and the compression spring 283 pushes the push rod 284 to rotate along the rotating shaft 282, thereby driving the buckle 285 to rotate and the hook 27 to unlock, and thus the first support body 22 and the second support. Body 23 is unlocked.

Please refer to FIG. 11 . Further, the display main body 10 includes two display modules 11 , and the support main body 20 is two and respectively support the two display modules 11 , and the ends of the two support main bodies 20 . A positioning assembly is provided to achieve positioning of the two support bodies 20 after docking. The positioning assembly can be the positioning assembly described in the above embodiments. This structure makes the use of the flexible display device more flexible, and the user can increase or decrease the number of display modules according to the requirements, thereby obtaining different display effects. Moreover, the flexible display device does not require frame protection, so that adjacent display modules 11 do not have significant seams after bonding, and the flexible display device still appears to exhibit a continuous effect, thereby enhancing the visual experience.

The above is a preferred embodiment of the present invention, and it should be noted that those skilled in the art can also make several improvements and retouchings without departing from the principles of the present invention. It is the scope of protection of the present invention.

Claims (18)

A flexible display device includes a display assembly and a base that are separable from each other, the display assembly includes a head end and a tail end, the base includes an outer surface for the display component to be attached, and the display assembly includes The roll state and the unfolded state, in the winding state, the display component head end is coupled to the outer surface of the base, and the display component is wound around the outer surface of the base. The flexible display device according to claim 1, wherein the display assembly comprises a front surface of the display screen and a rear surface opposite to the front surface, and in the rewinding state, the display surface of the display assembly faces the outer surface of the base, and the back surface of the display assembly Deviate from the outer surface of the base. The flexible display device of claim 2, wherein the front side of the display assembly is in direct contact with the outer surface of the base when in the retracted state. The flexible display device of claim 2, wherein in the unfolded state, the back side of the display assembly is in contact with the outer surface of the base, and the base supports the display assembly. A flexible display device according to claim 4, wherein in the unfolded state, the display assembly is obliquely abutted against the base. The flexible display device according to any one of claims 1 to 5, wherein the outer surface of the base is provided with a first connecting portion, and the display assembly is provided with a second connecting portion, the first connecting portion and the first connecting portion The two connectors are detachably connected to achieve electrical connection of the base to the display assembly. The flexible display device according to claim 6, wherein in the unfolded state, the second connecting portion is connected to the first connecting portion, and in the retracted state, the second connecting portion is separated from the first connecting portion. The flexible display device according to any one of claims 1 to 5, wherein the display unit comprises a display main body and a support main body fixed to a rear surface of the main display main body. The flexible display device according to claim 8, wherein the support body is provided with a processor and a battery. The flexible display device of claim 9, wherein the display component operates independently with the processor when in the unfolded state. A flexible display device according to claim 9, wherein said base is internally provided with a processor, and in the unfolded state, the display assembly operates by means of a processor of the base. The flexible display device according to claim 8, wherein the front end of the display assembly is fixed to the outer surface of the base by magnetic attraction, and the tail end of the display assembly is fixed by magnetic attraction. A flexible display device according to claim 12, wherein in the winding state, the trailing end of the display assembly is adjacent to the head end, and the trailing end of the display assembly is fixed relative to the head end by magnetic attraction. The flexible display device of claim 13 wherein the support body of the display assembly comprises a magnetic intermediary adjacent the trailing end and the leading end of the display assembly, the magnetically coupled magnetic attraction of the leading end and the trailing end of the display assembly to the support body . The flexible display device according to claim 8, wherein the support main body is plural and arranged in order, and a length of the support main body adjacent to the front end is smaller than a length of the support main body close to the rear end. The flexible display device according to claim 8, wherein the support body further comprises a positioning assembly, the support body comprises a first support body and a second support body, the positioning assembly comprises a first positioning body and a a second positioning body, the first positioning body is disposed at one end of the first supporting body toward the second supporting body, and the second positioning body is disposed at the second supporting body facing the first supporting body At one end, the first positioning cooperates with the second positioning body to achieve locking between the first support body and the second support body. The flexible display device according to claim 16, wherein the first positioning body and the second positioning body each comprise a magnetic element, and when the display main body is unfolded, the first positioning body and the second positioning Body suction. The flexible display device according to claim 17, wherein the magnetic elements of at least one of the first positioning body and the second positioning body are magnetically variable, and at least one of the first positioning body and the second positioning body is at least The magnetic property when the display main body is stowed is weaker than the magnetic property when the display screen is unfolded.

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