Display device and mobile terminal

Abstract

The present invention relates to the technical field of electronic equipment, and discloses a display device and a mobile terminal. The display device includes a flexible display screen, a supporting mechanism, and an adjusting mechanism. The supporting mechanism includes a flexible supporting plate fixedly attached to the flexible display screen, and a first side rib plate and a second side rib plate respectively arranged at both ends of the flexible support plate. The adjusting mechanism is used to adjust the distance between the end of the first side rib plate away from the flexible support plate and the end of the second side rib plate away from the flexible support plate, so as to adjust the current bending curvature of the flexible display screen through the flexible support plate. Changing the bending degree of the flexible support plate can adjust the current bending curvature of the flexible display screen to meet the user's demand for display of different curvatures of the flexible display screen. The adjusting mechanism indirectly adjusts the current bending curvature of the flexible display screen through the supporting mechanism, which can ensure that the flexible display screen is uniformly stressed, prolong the service life of the flexible display screen, avoid the occurrence of display defects such as step difference, and improve the user's experience.

Description

Technical Field

[0001] The present invention relates to the technical field of electronic equipment, and in particular to a display device and a mobile terminal. Background Art

[0002] The curvature adjustment of the flexible display screen of the existing display device is mostly achieved through structures such as hinges and motors. Due to the limitation of the hinge assembly relationship, the flexible display screen is prone to display defects such as step difference, which affects the user experience. At the same time, the hinge structure is prone to uneven force on the flexible display screen, which directly affects the service life of the flexible display screen. Summary of the invention

[0003] Based on the above problems, the purpose of the present invention is to provide a display device and a mobile terminal, which can ensure that the flexible display screen is subjected to uniform force, extend the service life of the flexible display screen, avoid display defects such as step differences on the flexible display screen, and improve the user experience.

[0004] To achieve the above object, the present invention adopts the following technical solutions:

[0005] A display device, comprising:

[0006] Flexible display screens;

[0007] The supporting mechanism comprises a flexible supporting plate fixedly attached to the flexible display screen and a first side rib plate and a second side rib plate respectively arranged at two ends of the flexible supporting plate;

[0008] The adjustment mechanism is used to adjust the distance between the end of the first side rib away from the flexible support plate and the end of the second side rib away from the flexible support plate, so as to adjust the current bending curvature of the flexible display screen through the flexible support plate.

[0009] As an optional solution of the display device of the present invention, the adjustment mechanism includes a first transmission plate, a second transmission plate and a driving assembly, the first transmission plate is connected to the end of the first side rib plate away from the flexible support plate, the second transmission plate is connected to the end of the second side rib plate away from the flexible support plate, and the driving assembly is used to drive the first transmission plate and the second transmission plate to move closer to or away from each other.

[0010] As an optional solution of the display device of the present invention, a first rack is arranged on the first transmission plate, a second rack is arranged on the second transmission plate, and the driving assembly is transmission-connected to the first rack and the second rack respectively.

[0011] As an optional solution of the display device of the present invention, the driving component includes a first driving motor and a first driving gear, the output end of the first driving motor is connected to the first driving gear, and the first driving gear is respectively drivingly connected to the first rack and the second rack.

[0012] As an optional solution of the display device of the present invention, the driving assembly further includes a plurality of driven gears, and the first driving gear is drivingly connected to the first rack and the second rack through the driven gears respectively.

[0013] As an optional solution of the display device of the present invention, when the number of the driven gears is an odd number, the first rack and the second rack are both located on the same side of the driven gears; when the number of the driven gears is an even number, the first rack and the second rack are respectively located on both sides of the driven gears.

[0014] As an optional solution of the display device of the present invention, the driving component includes a first driving motor, a second driving motor, a first driving gear and a second driving gear, the output end of the first driving motor is connected to the first driving gear, the first driving gear is connected to the first rack transmission, the output end of the second driving motor is connected to the second driving gear, and the second driving gear is connected to the second rack transmission.

[0015] As an optional solution of the display device of the present invention, the support mechanism further includes a fixing plate and a fixing seat, the fixing plate is connected to the flexible support plate, the fixing seat is arranged on the fixing plate, and the driving assembly is installed on the fixing seat.

[0016] As an optional solution for the display device of the present invention, the supporting mechanism also includes a redundant supporting member connected to the flexible supporting plate, and the force applied by the redundant supporting member to the flexible supporting plate can form a couple with the combined force applied by the first side rib and the second side rib on the flexible supporting plate.

[0017] As an optional solution of the display device of the present invention, two adjusting mechanisms are provided, and the force exerted by the two adjusting mechanisms on the flexible support plate forms a force couple.

[0018] As an optional solution of the display device of the present invention, the shapes of the first side rib plate and the second side rib plate are both trapezoidal.

[0019] In a second aspect, the present invention further provides a mobile terminal, comprising the above-mentioned display device.

[0020] The beneficial effects of the present invention are:

[0021] The display device provided by the present invention can be applied to various mobile terminals (such as mobile phones and tablet computers) with variable curvature display requirements. The display device includes a flexible display screen, a supporting mechanism and an adjusting mechanism. The supporting mechanism includes a flexible supporting plate fixedly bonded to the flexible display screen and a first side rib plate and a second side rib plate respectively arranged at both ends of the flexible support plate. The adjusting mechanism is used to adjust the distance between the end of the first side rib plate away from the flexible support plate and the end of the second side rib plate away from the flexible support plate, so as to adjust the current bending curvature of the flexible display screen through the flexible support plate. Since the first side rib and the second side rib are arranged at both ends of the flexible support plate, the distance between the end of the first side rib away from the flexible support plate and the end of the second side rib away from the flexible support plate is adjusted by the adjustment mechanism, the first side rib and the second side rib respectively apply forces to the two ends of the flexible support plate, and the flexible support plate is subjected to a bending moment to produce a preset degree of bending deformation. Since the flexible display screen and the flexible support plate always maintain a fixed fitting state, changing the bending degree of the flexible support plate can adjust the current bending curvature of the flexible display screen to meet the user's display requirements of different curvatures of the flexible display screen. The adjustment mechanism indirectly adjusts the current bending curvature of the flexible display screen through the supporting mechanism, which can ensure that the flexible display screen is subjected to uniform force, extend the service life of the flexible display screen, avoid display defects such as step difference in the flexible display screen, and improve the user experience.

[0022] The mobile terminal provided by the present invention includes the above-mentioned display device. The mobile terminal can be a mobile phone, a tablet computer and other wearable devices. The bending curvature of the flexible display screen of the mobile terminal is adjustable. The adjustment mechanism indirectly adjusts the current bending curvature of the flexible display screen through the supporting mechanism, which can ensure that the flexible display screen is uniformly stressed, prolong the service life of the flexible display screen, avoid display defects such as step difference on the flexible display screen, and improve the user experience. The product is novel, highly recognizable, suitable for a wide range of people, and rich applicable scenes. The screen curvature adjustment action is smooth and natural, the operation is convenient, not easy to damage, has a long service life, and a good user experience. Since the first side rib and the second side rib are arranged at both ends of the flexible support plate, the distance between the end of the first side rib away from the flexible support plate and the end of the second side rib away from the flexible support plate is adjusted by the adjustment mechanism, the first side rib and the second side rib respectively apply forces to the two ends of the flexible support plate, and the flexible support plate is subjected to a bending moment to produce a preset degree of bending deformation. Since the flexible display screen and the flexible support plate always maintain a fixed fitting state, changing the bending degree of the flexible support plate can adjust the current bending curvature of the flexible display screen to meet the user's display requirements of different curvatures of the flexible display screen. The adjustment mechanism indirectly adjusts the current bending curvature of the flexible display screen through the supporting mechanism, which can ensure that the flexible display screen is subjected to uniform force, extend the service life of the flexible display screen, avoid display defects such as step difference in the flexible display screen, and improve the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0024] Figure 1 is a schematic structural diagram of a display device provided in a specific embodiment of the present invention;

[0025] Figure 2 is a schematic structural diagram of a support mechanism in a display device provided in a specific embodiment of the present invention;

[0026] Figure 3 is a schematic structural diagram of a driving component in a display device provided in a specific embodiment of the present invention;

[0027] Figure 4 is a schematic structural diagram of a first transmission plate, a second transmission plate and a first driving gear in a display device provided in a specific embodiment of the present invention;

[0028] Figure 5 It is a structural schematic diagram of a first transmission plate, a second transmission plate, a first driving gear and a driven gear in a display device provided by a specific embodiment of the present invention;

[0029] Figure 6 It is a structural schematic diagram of a first transmission plate, a second transmission plate, a first driving gear and two driven gears in a display device provided in a specific embodiment of the present invention;

[0030] Figure 7 is a schematic structural diagram of a first transmission plate, a second transmission plate, a first driving gear and three driven gears in a display device provided in a specific embodiment of the present invention;

[0031] Figure 8 It is a schematic structural diagram of a display device including redundant supporting members provided in a specific embodiment of the present invention.

[0032] In the figure:

[0033] 1-flexible display screen; 2-support mechanism; 3-adjustment mechanism;

[0034] 21-flexible support plate; 22-first side rib plate; 23-second side rib plate; 24-fixing plate; 25-fixing seat;

[0035] 26- Redundant support members;

[0036] 31-first transmission plate; 32-second transmission plate; 33-driving assembly;

[0037] 311-first rack;

[0038] 321-second rack;

[0039] 331 - first driving motor; 332 - first driving gear; 333 - driven gear. DETAILED DESCRIPTION

[0040] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0041] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0042] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] like Figures 1 to 8As shown, this embodiment provides a display device that can be applied to various mobile terminals (such as mobile phones and tablet computers) with flexible display requirements. The display device includes a flexible display screen 1, a support mechanism 2 and an adjustment mechanism 3. The support mechanism 2 is used to support the flexible display screen 1, and the adjustment mechanism 3 is used to adjust the bending deformation of the support mechanism 2, and then adjust the bending curvature of the flexible display screen 1 to meet the user's display requirements of different curvatures of the flexible display screen 1. Specifically, the support mechanism 2 includes a flexible support plate 21 fixedly attached to the flexible display screen 1, and a first side rib 22 and a second side rib 23 respectively arranged at both ends of the flexible support plate 21. The adjustment mechanism 3 is used to adjust the distance between the end of the first side rib 22 away from the flexible support plate 21 and the end of the second side rib 23 away from the flexible support plate 21, so as to adjust the current bending curvature of the flexible display screen 1 through the flexible support plate 21.

[0044] It can be understood that, since the first side rib 22 and the second side rib 23 are arranged at the two ends of the flexible support plate 21, the distance between the end of the first side rib 22 away from the flexible support plate 21 and the end of the second side rib 23 away from the flexible support plate 21 is adjusted by the adjustment mechanism 3, and the first side rib 22 and the second side rib 23 respectively apply forces to the two ends of the flexible support plate 21, and the flexible support plate 21 is subjected to a bending moment and produces a preset degree of bending deformation. Since the flexible display screen 1 and the flexible support plate 21 always maintain a fixed fitting state, changing the bending degree of the flexible support plate 21 can adjust the current bending curvature of the flexible display screen 1 to meet the user's demand for displaying different curvatures of the flexible display screen 1. The adjustment mechanism 3 indirectly adjusts the current bending curvature of the flexible display screen 1 through the support mechanism 2, which can ensure that the flexible display screen 1 is evenly stressed, prolong the service life of the flexible display screen 1, avoid the display defects such as step difference of the flexible display screen 1, and improve the user's experience.

[0045] Generally speaking, the bending strength of the first side rib plate 22 and the second side rib plate 23 is not less than the bending strength of the flexible support plate 21. For reasonable utilization, the side rib plates can be of variable cross-sectional area to form a cantilever structure with equal bending strength, for example, Figure 2 As shown, the first side rib 22 and the second side rib 23 are both trapezoidal in shape, the upper base of the trapezoid is connected to the adjustment mechanism 3, and the lower base of the trapezoid is connected to the flexible support plate 21. The cross-sections of the first side rib 22 and the second side rib 23 gradually decrease from the lower base to the upper base of the trapezoid, which can ensure that the first side rib 22 and the second side rib 23 form a cantilever structure with equal bending strength and reduce the space occupied by the first side rib 22 and the second side rib 23.

[0046] The flexible support plate 21 can be made of the following flexible materials: polyvinyl alcohol (PVA), polyester (PET), polyimide (PI), polyethylene naphthalate (PEN), paper, textile materials, etc. Polyimide materials have the advantages of high temperature resistance, low temperature resistance, chemical resistance and good electrical properties. They are the most promising materials for flexible electronics. However, in addition to the high temperature resistance, the light transmittance, surface roughness and material cost of the flexible substrate should be considered in the selection of the flexible substrate. Polydimethylsiloxane (PDMS) is also a widely recognized flexible material. Its advantages include easy availability, stable chemical properties, transparency and good thermal stability. Especially under ultraviolet light, the distinct characteristics of the adhesion area and non-adhesion area make it easy to adhere electronic materials to its surface. Although PET has a low conversion temperature, about 70°C-80°C, PET is cheap and has good light transmittance. It is a material with a high cost-effectiveness for transparent conductive films.

[0047] In order to facilitate the adjustment of the distance between the end of the first side rib 22 away from the flexible support plate 21 and the end of the second side rib 23 away from the flexible support plate 21, the adjustment mechanism 3 optionally includes a first transmission plate 31, a second transmission plate 32 and a driving assembly 33, wherein the first transmission plate 31 is connected to the end of the first side rib 22 away from the flexible support plate 21, and the second transmission plate 32 is connected to the end of the second side rib 23 away from the flexible support plate 21, and the driving assembly 33 is used to drive the first transmission plate 31 and the second transmission plate 32 to move closer to or away from each other. The driving assembly 33 drives the first transmission plate 31 and the second transmission plate 32 to move closer to or away from each other, thereby adjusting the distance between the end of the first side rib 22 away from the flexible support plate 21 and the end of the second side rib 23 away from the flexible support plate 21, and the first side rib 22 and the second side rib 23 respectively apply forces to the two ends of the flexible support plate 21, and the flexible support plate 21 is subjected to a bending moment and generates a preset degree of bending deformation. Since the flexible display screen 1 and the flexible support plate 21 always maintain a fixed fitting state, changing the bending degree of the flexible support plate 21 can adjust the current bending curvature of the flexible display screen 1 to meet the user's demand for display of different curvatures of the flexible display screen 1.

[0048] Optionally, the first transmission plate 31 is provided with a first rack 311, the second transmission plate 32 is provided with a second rack 321, and the driving assembly 33 is respectively connected to the first rack 311 and the second rack 321. The driving assembly 33 can drive the first transmission plate 31 and the second transmission plate 32 to move closer to or away from each other by a gear rack transmission mode, and the operation is stable, the transmission precision is high, the transmission efficiency is high, the transmission ratio is accurate, and the user experience is improved.

[0049] like Figure 1 and Figure 3As shown, in this embodiment, the driving assembly 33 may include a first driving motor 331 and a first driving gear 332. The output end of the first driving motor 331 is connected to the first driving gear 332, and the first driving gear 332 is respectively connected to the first rack 311 and the second rack 321. The driving assembly 33 uses one motor, which can reduce costs, reduce control difficulty, and reduce the installation space required for the driving assembly 33. Figure 4 As shown, the first driving gear 332 can be directly meshed with the first rack 311 and the second rack 321 respectively, which has a simple structure, occupies a small space, and has accurate and reliable transmission, thereby avoiding the accumulation of transmission errors. Figures 5 to 7 As shown, the first driving gear 332 may also be indirectly meshed with the first rack 311 and the second rack 321 respectively, and the specific situation depends on the corresponding application scenario.

[0050] like Figures 5 to 7 As shown, in order to realize indirect meshing of the first driving gear 332 with the first rack 311 and the second rack 321 respectively, the driving assembly 33 may further include a plurality of driven gears 333, and the first driving gear 332 is respectively connected to the first rack 311 and the second rack 321 through the driven gears 333. Specifically, the number of the driven gears 333 needs to be determined according to the specific application scenario and the installation space limitation.

[0051] Optionally, when the number of driven gears 333 is an odd number, the first rack 311 and the second rack 321 are both located on the same side of the driven gear 333; when the number of driven gears 333 is an even number, the first rack 311 and the second rack 321 are respectively located on both sides of the driven gear 333. Figure 5 As shown, there is one driven gear 333, and the first rack 311 and the second rack 321 are both located on the same side of the driven gear 333. At this time, the distance between the first rack 311 and the second rack 321 is small, and the relative movement distance is small, which is suitable for application scenarios with small curvature change requirements. Figure 6 As shown, there are two driven gears 333, and the first rack 311 and the second rack 321 are respectively located on both sides of the driven gear 333. At this time, the relative movement distance of the first rack 311 and the second rack 321 is relatively large. Since the first rack 311 and the second rack 321 are staggered, they can also adapt to limited installation space. Figure 7 As shown, there are three driven gears 333, and the first rack 311 and the second rack 321 are both located on the same side of the driven gear 333. At this time, the distance between the first rack 311 and the second rack 321 is large, and the relative movement distance is relatively large, which is suitable for application scenarios with relatively large curvature change requirements.

[0052] In another embodiment, in order to adapt to the limited installation space, the driving assembly 33 can also use two motors to drive the first transmission plate 31 and the second transmission plate 32 respectively. Specifically, the driving assembly 33 includes a first driving motor 331, a second driving motor, a first driving gear 332 and a second driving gear. The output end of the first driving motor 331 is connected to the first driving gear 332, and the first driving gear 332 is drivingly connected to the first rack 311. The output end of the second driving motor is connected to the second driving gear, and the second driving gear is drivingly connected to the second rack 321. The first driving motor 331 and the first driving gear 332 can be arranged as close to the first side rib plate 22 as possible, and the second driving motor and the second driving gear can be arranged as close to the second side rib plate 23 as possible, thereby freeing up a large amount of space in the middle area to avoid other components.

[0053] To facilitate the installation of the drive assembly 33, optionally, the support mechanism 2 further includes a fixing plate 24 and a fixing seat 25, the fixing plate 24 is connected to the flexible support plate 21, the fixing seat 25 is arranged on the fixing plate 24, and the drive assembly 33 is installed on the fixing seat 25. The fixing plate 24 can be a U-shaped plate, the two ends of the U-shaped plate are respectively connected to the flexible support plate 21, the hollow area of ​​the U-shaped plate can effectively avoid the drive assembly 33, and the fixing seat 25 can be a right-angle plate to carry the drive assembly 33.

[0054] like Figure 8 As shown, in another embodiment, the support mechanism 2 further includes a redundant support member 26 connected to the flexible support plate 21. The force applied by the redundant support member 26 on the flexible support plate 21 can form a force couple with the combined force applied by the first side rib 22 and the second side rib 23 on the flexible support plate 21. The flexible support plate 21 forms a pure bending structure under the action of the force couple, and only bends and deforms without stretching, so that the curvatures of various parts of the flexible display screen 1 remain consistent, avoiding the appearance of step difference in the flexible display screen 1. The redundant support member 26 can be a U-shaped support plate structure driven by a cylinder. The force applied to the flexible support plate 21 can be actively controlled by the cylinder drive, which is conducive to forming a force couple with the combined force applied by the first side rib 22 and the second side rib 23 on the flexible support plate 21. The combined force applied by the first side rib 22 and the second side rib 23 on the flexible support plate 21 can be known according to the motor torque of the adjustment mechanism 3 and the mechanism force analysis.

[0055] In another embodiment, two adjustment mechanisms 3 may be provided, and the two adjustment mechanisms 3 form a force couple on the flexible support plate 21, so that the flexible support plate 21 forms a pure bending structure under the action of the force couple, and only bends and deforms without stretching deformation, so that the curvatures of various parts of the flexible display screen 1 remain consistent, avoiding step differences in the flexible display screen 1.

[0056] It should be noted that the above-mentioned flexible display screen 1 refers to a flexible OLED (Organic Light-Emitting Diode). OLED is very thin and can be mounted on flexible materials such as plastic or metal foil. Using plastic instead of glass will make the display screen more durable and lighter. The flexible OLED panel is concave from top to bottom, and the bending radius can reach 700 mm. OLED uses a plastic substrate instead of a common glass substrate. It uses thin film encapsulation technology and sticks a protective film on the back of the panel to make the panel bendable and not easy to break.

[0057] OLED devices are composed of substrates, cathodes, anodes, hole injection layers (HIL), electron injection layers (EIL), hole transport layers (HTL), electron transport layers (ETL), electron blocking layers (EBL), hole blocking layers (HBL), and light-emitting layers (EML). Among them, the substrate is the basis of the entire device, and all functional layers need to be evaporated onto the substrate of the device; glass is usually used as the substrate of the device, but if a flexible OLED device needs to be made, other materials such as plastics need to be used as the substrate of the device. The anode is connected to the positive electrode of the device's external driving voltage. The holes in the anode will move to the light-emitting layer in the device under the drive of the external driving voltage. The anode needs to have a certain degree of light transmittance when the device is working, so that the light emitted from the inside of the device can be observed by the outside world; the most commonly used material for the anode is ITO.

[0058] The hole injection layer can modify the anode of the device and can smoothly inject holes from the anode into the hole transport layer; the hole transport layer is responsible for transporting holes to the light-emitting layer; the electron blocking layer will block the electrons from the cathode at the interface of the light-emitting layer of the device, increasing the concentration of electrons at the interface of the light-emitting layer of the device; the light-emitting layer is where the electrons and holes of the device recombine to form excitons and then the excitons de-excite to emit light; the hole blocking layer will block the holes from the anode at the interface of the light-emitting layer of the device, thereby increasing the probability of recombination of electrons and holes at the interface of the light-emitting layer of the device and increasing the luminescence efficiency of the device; the electron transport layer is responsible for transferring electrons from the cathode to the light-emitting layer of the device; the electron injection layer plays a role in modifying the cathode and transferring electrons to the electron transport layer; the electrons in the cathode will move to the light-emitting layer of the device under the drive of the device external driving voltage, and then recombine with the holes from the anode in the light-emitting layer.

[0059] Compared with traditional screens, flexible display screens1 have obvious advantages. They are not only thinner and lighter in size, but also consume less power than existing devices, which helps to improve the battery life of the device. At the same time, due to their bendability and flexibility, their durability is much higher than that of previous screens, reducing the probability of accidental damage to the device. The folding screen needs to be folded 200,000 times to remain intact. It is a flexible screen with high flexibility requirements, and the structure of the screen also needs to be designed separately.

[0060] In the display device provided in the present embodiment, since the first side rib 22 and the second side rib 23 are arranged at the two ends of the flexible support plate 21, the distance between the end of the first side rib 22 away from the flexible support plate 21 and the end of the second side rib 23 away from the flexible support plate 21 is adjusted by the adjustment mechanism 3, the first side rib 22 and the second side rib 23 respectively apply forces to the two ends of the flexible support plate 21, and the flexible support plate 21 is subjected to a bending moment and generates a preset degree of bending deformation. Since the flexible display screen 1 and the flexible support plate 21 always maintain a fixed fitting state, changing the bending degree of the flexible support plate 21 can adjust the current bending curvature of the flexible display screen 1 to meet the user's display requirements of different curvatures of the flexible display screen 1. The adjustment mechanism 3 indirectly adjusts the current bending curvature of the flexible display screen 1 through the support mechanism 2, which can ensure that the flexible display screen 1 is subjected to uniform force, extend the service life of the flexible display screen 1, avoid the display defects such as step difference of the flexible display screen 1, and improve the user experience.

[0061] The present embodiment also provides a mobile terminal, including the above-mentioned display device. The mobile terminal can be a mobile phone, a tablet computer and other wearable devices. The bending curvature of the flexible display screen 1 of the mobile terminal is adjustable. The adjustment mechanism 3 indirectly adjusts the current bending curvature of the flexible display screen 1 through the support mechanism 2, which can ensure that the flexible display screen 1 is evenly stressed, extend the service life of the flexible display screen 1, avoid the display defects such as step difference of the flexible display screen 1, and improve the user experience. The product is novel, highly recognizable, suitable for a wide range of people, and rich in applicable scenes. The screen curvature adjustment action is smooth and natural, the operation is convenient, not easy to damage, has a long service life, and a good user experience.

[0062] Since the first side rib 22 and the second side rib 23 are arranged at the two ends of the flexible support plate 21, the distance between the end of the first side rib 22 away from the flexible support plate 21 and the end of the second side rib 23 away from the flexible support plate 21 is adjusted by the adjustment mechanism 3. The first side rib 22 and the second side rib 23 respectively apply forces to the two ends of the flexible support plate 21, and the flexible support plate 21 is subjected to a bending moment to produce a preset degree of bending deformation. Since the flexible display screen 1 and the flexible support plate 21 always maintain a fixed fitting state, changing the bending degree of the flexible support plate 21 can adjust the current bending curvature of the flexible display screen 1 to meet the user's display requirements of different curvatures of the flexible display screen 1. The adjustment mechanism 3 indirectly adjusts the current bending curvature of the flexible display screen 1 through the support mechanism 2, which can ensure that the flexible display screen 1 is subjected to uniform force, extend the service life of the flexible display screen 1, avoid the flexible display screen 1 from having display defects such as step differences, and improve the user's experience.

[0063] In terms of hardware system, mobile terminals have a central processing unit, memory, input components and output components, that is, mobile terminals are often microcomputer devices with communication functions. In addition, mobile terminals can have multiple input methods, such as keyboard, mouse, touch screen, microphone and camera, etc., and the input can be adjusted as needed. At the same time, mobile terminals often have multiple output methods, such as receiver, display screen, etc., which can also be adjusted as needed.

[0064] In terms of software system, mobile terminals must have operating systems, such as Windows Mobile, Symbian, Palm, Android, iOS, etc. At the same time, these operating systems are becoming more and more open, and personalized application software developed based on these open operating system platforms is emerging in an endless stream, such as address books, calendars, notepads, calculators, and various games, etc., which greatly meet the needs of personalized users.

[0065] In terms of communication capabilities, mobile terminals have flexible access methods and high-bandwidth communication performance, and can automatically adjust the selected communication method according to the selected service and the environment, so as to facilitate user use. Mobile terminals can support GSM, WCDMA, CDMA2000, TDSCDMA, Wi-Fi and WiMAX, etc., so as to adapt to various network standards, and support not only voice services, but also various wireless data services.

[0066] In terms of functional use, mobile terminals pay more attention to humanization, personalization and multi-function. With the development of computer technology, mobile terminals have entered the "people-centered" mode from the "device-centered" mode, integrating embedded computing, control technology, artificial intelligence technology and biometric authentication technology, fully reflecting the people-oriented purpose. Due to the development of software technology, mobile terminals can adjust settings according to personal needs and become more personalized. At the same time, mobile terminals themselves integrate a lot of software and hardware, and their functions are becoming more and more powerful.

[0067] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A display device, characterized in that: include: Flexible display screen; The supporting mechanism comprises a flexible supporting plate fixedly attached to the flexible display screen and a first side rib plate and a second side rib plate respectively arranged at two ends of the flexible supporting plate; An adjustment mechanism, used for adjusting the distance between the end of the first side rib away from the flexible support plate and the end of the second side rib away from the flexible support plate, so as to adjust the current bending curvature of the flexible display screen through the flexible support plate; The support mechanism further comprises a redundant support member connected to the flexible support plate, wherein the force applied by the redundant support member to the flexible support plate can form a force couple with the combined force applied by the first side rib plate and the second side rib plate to the flexible support plate; The first side rib plate and the second side rib plate are both trapezoidal in shape.

2. The display device according to claim 1, characterized in that The adjustment mechanism includes a first transmission plate, a second transmission plate and a driving assembly, the first transmission plate is connected to the end of the first side rib plate away from the flexible support plate, the second transmission plate is connected to the end of the second side rib plate away from the flexible support plate, and the driving assembly is used to drive the first transmission plate and the second transmission plate to move closer to or away from each other.

3. The display device according to claim 2, characterized in that: The first transmission plate is provided with a first rack, the second transmission plate is provided with a second rack, and the driving assembly is respectively connected to the first rack and the second rack in driving connection.

4. The display device according to claim 3, characterized in that: The driving assembly includes a first driving motor and a first driving gear. The output end of the first driving motor is connected to the first driving gear. The first driving gear is drivingly connected to the first rack and the second rack respectively.

5. The display device according to claim 4, characterized in that: The driving assembly further includes a plurality of driven gears, and the first driving gear is drivingly connected to the first rack and the second rack through the driven gears respectively.

6. The display device according to claim 5, characterized in that: When the number of the driven gears is an odd number, the first rack and the second rack are both located on the same side of the driven gear; when the number of the driven gears is an even number, the first rack and the second rack are respectively located on both sides of the driven gear.

7. The display device according to claim 3, characterized in that: The driving assembly includes a first driving motor, a second driving motor, a first driving gear and a second driving gear. The output end of the first driving motor is connected to the first driving gear, and the first driving gear is connected to the first rack in a transmission manner. The output end of the second driving motor is connected to the second driving gear, and the second driving gear is connected to the second rack in a transmission manner.

8. The display device according to claim 2, characterized in that: The support mechanism further comprises a fixing plate and a fixing seat, wherein the fixing plate is connected to the flexible support plate, the fixing seat is arranged on the fixing plate, and the driving assembly is mounted on the fixing seat.

9. The display device according to any one of claims 1 to 8, characterized in that: The two adjusting mechanisms are provided with two forces, and the two adjusting mechanisms exert forces on the flexible support plate to form a force couple.

10. A mobile terminal, characterized in that: Comprising the display device as described in any one of claims 1-9.

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