Display device and terminal equipment

Abstract

The application relates to the technical field of electronic equipment, and discloses a display device and a terminal device. The display device comprises a flexible display screen and a curling storage mechanism. The flexible display screen comprises a connecting part, a first curling part, a second curling part and a non-curling part arranged in sequence. The curling storage mechanism comprises a shell, a center winding shaft and a spacer winding shaft group. The center winding shaft and the spacer winding shaft group are rotatably arranged on the shell. The center winding shaft is connected with the connecting part. Rotating the center winding shaft can drive the first curling part to be wound on the center winding shaft. Rotating the spacer winding shaft group can drive the second curling part to be wound on the spacer winding shaft group, so as to isolate the first curling part and the second curling part. According to the application, the movement of different curling parts of the flexible display screen is controlled, so that the display surface of the flexible display screen is always not in contact with other components when the flexible display screen is curled in multiple layers. Abrasion caused by the friction between the display surface of the flexible display screen and other components is avoided, and the service life of the flexible display screen is prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electronic equipment, and in particular to a display device and a terminal device. BACKGROUND

[0002] In the field of display technology, flexible display screens have the characteristic of being able to be rolled up and are widely used in people's lives.

[0003] However, when the existing flexible display screen is rolled up on a rotating shaft or pulled out from the rotating shaft, there is a problem that the friction between adjacent two turns of the flexible display screen causes damage to the flexible display screen, affecting the display effect and service life of the display screen. SUMMARY

[0004] Based on the above problems, the purpose of the present application is to provide a display device and a terminal device that can keep the display surface of the flexible display screen from contacting other components when being rolled up in multiple layers, thereby avoiding wear caused by the friction between the display surface of the flexible display screen and other components, prolonging the service life of the flexible display screen and ensuring the display effect of the flexible display screen.

[0005] To achieve the above purpose, the following technical solutions are provided:

[0006] In a first aspect, the present application provides a display device, comprising:

[0007] A flexible display screen, comprising a connection part, a first winding part, a second winding part and a non-winding part arranged in sequence.

[0008] A winding storage mechanism, comprising a shell, a center winding shaft and a group of isolation winding shafts, the center winding shaft and the group of isolation winding shafts are rotatably arranged on the shell, the center winding shaft is connected with the connection part, rotating the center winding shaft can drive the first winding part to wind on the center winding shaft, and rotating the group of isolation winding shafts can drive the second winding part to wind on the group of isolation winding shafts to isolate the first winding part and the second winding part.

[0009] In a second aspect, the present application further provides a terminal device comprising the above-mentioned display device.

[0010] The present application has the following beneficial effects:

[0011] The display device provided by the application can be applied to various terminal devices (such as mobile phones and tablet computers) having flexible display requirements, and comprises a flexible display screen and a winding storage mechanism. The flexible display screen comprises a connecting portion, a first winding portion, a second winding portion and a non-winding portion arranged in sequence. The winding storage mechanism comprises a shell, a center winding shaft and a spacer winding shaft group. The center winding shaft and the spacer winding shaft group are rotatably arranged on the shell. The center winding shaft is connected with the connecting portion. Rotating the center winding shaft can drive the first winding portion to wind on the center winding shaft. Rotating the spacer winding shaft group can drive the second winding portion to wind on the spacer winding shaft group, so as to isolate the first winding portion and the second winding portion. When winding the flexible display screen, the center winding shaft is connected with the connecting portion of the flexible display screen. The first winding portion of the flexible display screen is wound on the center winding shaft by the center winding shaft. The second winding portion is wound on the spacer winding shaft group by rotating the spacer winding shaft group. The first winding portion and the second winding portion are isolated and do not contact. By controlling the movement of different winding portions of the flexible display screen, the display surface of the flexible display screen does not contact other components when the flexible display screen is wound in multiple layers. The wear caused by the friction between the display surface of the flexible display screen and other components is avoided. The service life of the flexible display screen is prolonged, and the display effect of the flexible display screen is ensured. The spacer winding shaft group can be provided with multiple spacer winding shafts. The flexible display screen can be wound in multiple turns. The space utilization rate of the winding storage mechanism is improved, and the occupied volume of the display device is reduced. The flexible display screen can be extended out of the winding storage mechanism and wound into the winding storage mechanism. The flexible display screen can meet the flexible display requirements of different display areas, and the use experience of users is improved.

[0012] The terminal device provided by the application comprises the display device, and can be a mobile phone, a tablet computer or other wearable device. When the flexible display screen is rolled up, the first rolling part of the flexible display screen is rolled on the central rolling shaft through the connection of the central rolling shaft and the connection part of the flexible display screen, and the second rolling part is rolled on the isolation rolling shaft group through the rotation of the isolation rolling shaft group, so that the first rolling part and the second rolling part are separated and do not contact. Through the control of the movement of different rolling parts of the flexible display screen, the display surface of the flexible display screen does not contact other components during multi-layer rolling, thereby avoiding the abrasion caused by the friction between the display surface of the flexible display screen and other components, prolonging the service life of the flexible display screen and ensuring the display effect of the flexible display screen. The isolation rolling shaft group can be provided with a plurality of isolation rolling shaft groups, so as to realize the multi-turn rolling of the flexible display screen, improve the space utilization rate of the rolling storage mechanism and reduce the occupied volume of the display device. Since the flexible display screen can be stretched out of the rolling storage mechanism and rolled into the rolling storage mechanism, the flexible display screen can meet the flexible display requirements of users with different display areas, improve the user experience, and has novel product, high recognition, wide application population, rich application scenarios, smooth and natural screen rolling and unfolding action, convenient operation, long service life and good user experience. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the application, the following will briefly introduce the drawings needed to be used in the description of the embodiments of the application. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the contents of the embodiments of the application and the drawings.

[0014] Figure 1 is a structural schematic view of the display device provided by the embodiment of the application;

[0015] Figure 2 is a front view schematic view of the display device provided by the embodiment of the application;

[0016] Figure 3 is a structural schematic view of the display device provided by the embodiment of the application after rolling the first rolling part and the second rolling part;

[0017] Figure 4 is a front view schematic view of the display device provided by the embodiment of the application after rolling the first rolling part and the second rolling part;

[0018] Figure 5 is a front view schematic view of the central rolling shaft, the driving disc and the planetary rolling shaft of the display device provided by the embodiment of the application;

[0019] Figure 6 is a structural schematic diagram of a terminal device including a display device in a rolled state provided by the embodiment of the present application;

[0020] Figure 7 is a structural schematic diagram of a terminal device including a display device in an unrolled state provided by the embodiment of the present application.

[0021] in the figure:

[0022] 1, flexible display screen; 2, rolling storage mechanism;

[0023] 11, connecting part; 12, first rolling part; 13, second rolling part; 14, non-rolling part; 15, rack;

[0024] 21, central spool; 22, isolated spool group; 23, guide spool;

[0025] 221, driving disc; 222, planetary spool. EMBODIMENT

[0026] In order to make the technical problems solved by the present application, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present application will be further described in detail below with reference to the drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0028] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixed connection, or it can be detachable connection; it can be mechanical connection, or it can be electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] As Figures 1 to 5 shown, the display device can be applied to various terminal devices (such as mobile phones and tablet computers) with flexible display requirements. The display device comprises a flexible display screen 1 and a winding storage mechanism 2. The flexible display screen 1 comprises a connecting portion 11, a first winding portion 12, a second winding portion 13 and a non-winding portion 14 arranged in sequence. The winding storage mechanism 2 comprises a shell, a center winding shaft 21 and a group of isolation winding shafts 22. The center winding shaft 21 and the group of isolation winding shafts 22 are both rotatably arranged on the shell. The center winding shaft 21 is connected with the connecting portion 11. Rotating the center winding shaft 21 can drive the first winding portion 12 to wind on the center winding shaft 21. Rotating the group of isolation winding shafts 22 can drive the second winding portion 13 to wind on the group of isolation winding shafts 22, so as to isolate the first winding portion 12 and the second winding portion 13.

[0030] When winding and storing the flexible display screen 1, the center winding shaft 21 is connected with the connecting portion 11 of the flexible display screen 1. The first winding portion 12 of the flexible display screen 1 is driven to wind on the center winding shaft 21 through the center winding shaft 21. The second winding portion 13 is driven to wind on the group of isolation winding shafts 22 through rotating the group of isolation winding shafts 22. The first winding portion 12 and the second winding portion 13 are isolated and do not contact. Through the control of the movement of different winding portions of the flexible display screen 1, the display surface of the flexible display screen 1 does not contact other components when the flexible display screen 1 is wound in multiple layers. The abrasion caused by the friction between the display surface of the flexible display screen 1 and other components is avoided. The service life of the flexible display screen 1 is prolonged. The display effect of the flexible display screen 1 is ensured. The group of isolation winding shafts 22 can be provided with multiple isolation winding shafts. The multiple winding of the flexible display screen 1 is realized. The space utilization of the winding storage mechanism 2 is improved. The occupied volume of the display device is reduced. The flexible display screen 1 can be stretched out of the winding storage mechanism 2 and wound into the winding storage mechanism 2. The flexible display screen 1 is convenient to carry. The flexible display requirements of users with different display areas are met. The use experience of users is improved.

[0031] Optionally, the group of isolation winding shafts 22 comprises a driving disc 221 and multiple planetary winding shafts 222. The driving disc 221 is rotatably arranged on the shell. The multiple planetary winding shafts 222 are rotatably arranged on the driving disc 221. The planetary winding shafts 222 can be passively rotated under the action of friction force. The cost is saved. The planetary winding shafts 222 can be actively rotated under the driving of a driving motor. The stability of the winding of the flexible display screen 1 is improved. The multiple planetary winding shafts 222 can be independently rotated or synchronously rotated through a synchronous belt. The driving disc 221 can be disc-shaped. Two driving discs 221 can be arranged at intervals. The multiple planetary winding shafts 222 are clamped between the two driving discs 221. The planetary winding shafts 222 can be installed on the driving disc 221 through bearings and bearing seats.

[0032] To prevent slippage between the planetary winding shaft 222 and the second winding portion 13, the planetary winding shaft 222 may optionally be a gear shaft, and the second winding portion 13 may be provided with a rack 15 that meshes with the gear shaft. It should be noted that the flexible display screen 1 has opposing display and support surfaces, and the rack 15 can be provided on the entire support surface. That is, the support surfaces of the connecting portion 11, the first winding portion 12, the second winding portion 13, and the non-winding portion 14 may all be provided with racks 15.

[0033] To ensure that the second coiled section 13 is subjected to relatively uniform force, optionally, multiple planetary rollers 222 are evenly distributed along the circumference of the drive disk 221. With this configuration, the second coiled section 13 will not be damaged by excessive stretching, thus extending the service life of the flexible display screen 1.

[0034] To ensure that the second curled section 13 is curled relatively smoothly, optionally, the axes of the multiple planetary scrolls 222 are located on the same preset circle. With this configuration, the second curled section 13 will not be damaged by creases, thus extending the service life of the flexible display screen 1.

[0035] To ensure that the first curled section 12 is subjected to relatively uniform force, the axis of the central scroll 21 may be located at the center of a preset circle. With this configuration, the connection between the first curled section 12 and the second curled section 13 is subjected to relatively uniform force, making it less prone to stretching and damage, thus extending the service life of the flexible display screen 1.

[0036] Optionally, the isolation scroll assembly 22 also includes a first driving component, which drives the drive disk 221 to rotate. This facilitates automated program control of the display area of ​​the display device, thereby meeting the flexible display needs of users with different display areas. The first driving component can be a servo motor. Servo motors can control speed and have very accurate positional precision. They can convert voltage signals into torque and speed to drive the controlled object. Because servo motors have relatively high speeds, they can be connected to the drive disk 221 through a reduction gearbox, ensuring smooth operation of the drive disk 221, high transmission precision, high transmission efficiency, and accurate transmission ratio. Of course, the servo motor can also be connected to the drive disk 221 through a rack and pinion transmission structure. This structure is simple, occupies little space, and provides precise and reliable transmission, avoiding the accumulation of transmission errors. The specific choice depends on the application scenario.

[0037] Optionally, the curling storage mechanism 2 further comprises a second driving member for driving the rotation of the central reel 21. The central reel 21 can have an independent driving element or be linked with other moving members in the terminal device, which is not limited here. The second driving member can adopt a servo motor, which can control the speed and has very accurate position accuracy, and can convert voltage signals into torque and speed to drive the control object. Since the rotation speed of the servo motor is relatively large, the servo motor can be connected with the central reel 21 through a reduction gear box to ensure the smooth operation of the central reel 21, high transmission accuracy, high transmission efficiency, and accurate transmission ratio. Of course, the servo motor can also be connected with the central reel 21 through a rack and pinion transmission structure, which is simple in structure, small in space occupation, accurate in transmission, reliable in transmission, and avoids transmission error accumulation. The specific situation needs to be determined according to the corresponding application scene. The central reel 21 can be a hollow cylindrical structure to reduce the weight of the terminal device and facilitate carrying.

[0038] The central reel 21 can be connected with the connecting portion 11 through a flexible connecting member. The flexible connecting member can be used to connect the central reel 21 and the connecting portion 11, which can facilitate the arrangement of the installation position of the central reel 21, and the central reel 21 and the connecting portion 11 do not need to be directly connected, which has great layout advantages in structural design. The flexible connecting member can adopt the following flexible materials: polyvinyl alcohol (PVA), polyester (PET), polyimide (PI), polyethylene naphthalate glycol (PEN), paper sheet, textile material, etc. Polyimide material has the advantages of high temperature resistance, low temperature resistance, chemical resistance and good electrical properties, and is the most potential material for flexible electronics. In addition to considering the high temperature resistance of the flexible substrate, the light transmittance, surface roughness and material cost of the flexible substrate are also factors to be considered. Polydimethylsiloxane (PDMS) is also a widely recognized flexible material, which has the advantages of easy availability, stable chemical properties, transparency and good thermal stability. Especially the characteristics of clear adhesion and non-adhesion under ultraviolet light make the surface of the material easily adhere to electronic materials. Although the conversion temperature of PET is low, about 70-80℃, the price of PET is low, and the light transmittance is good, which is a high-performance transparent conductive film material.

[0039] Optionally, the curling storage mechanism 2 further comprises a guide reel 23 rotatably arranged on the housing. The guide reel 23 can be a driving moving component or a driven moving component, which is not limited here. Under the guidance of the guide reel 23, the flexible display screen 1 can be smoothly rolled into or out of the housing. The guide reel 23 can be a hollow cylindrical structure to reduce the weight of the terminal device and facilitate carrying. The diameters of the guide reels 23 can be the same or different to adapt to the flexible display screen 1 with different bending degrees on both sides.

[0040] Optionally, the second curling part 13 and the isolation reel group 22 are each provided with a plurality of. The second curling part 13 and the isolation reel group 22 are one-to-one corresponding, and the diameters of the driving discs 221 of different isolation reel groups 22 can be different, so that the plurality of planetary reels 222 on the driving disc 221 with a larger diameter can be arranged on a larger diameter circle, facilitating the curling of the plurality of second curling parts 13 from inside to outside in turn.

[0041] In order to avoid damage to the display surface of the flexible display screen 1 due to contact and overlap between adjacent two second curling parts 13, optionally, the curling radius of the plurality of second curling parts 13 gradually increases along the extension direction of the connecting part 11 to the non-curling part 14. There is no contact overlap between adjacent two second curling parts 13, and the display surface of the flexible display screen 1 is always not in contact with other components, avoiding the wear of the display surface of the flexible display screen 1 caused by friction with other components, prolonging the service life of the flexible display screen 1 and ensuring the display effect of the flexible display screen 1.

[0042] In order to facilitate the detection of the position information of the flexible display screen 1, optionally, a limit sensor is arranged on the flexible display screen 1. The limit sensor can be provided in plurality to measure the position information of the flexible display screen 1 at different curling stages. According to the position information transmitted by the limit sensor, the control system can start the rotation of different driving discs 221, so as to orderly wind the plurality of layers of the flexible display screen 1 on the plurality of isolation reel groups 22.

[0043] In order to prevent the flexible display screen 1 from being wrinkled, optionally, the curling storage mechanism 2 further comprises a first tensioning reel and a second tensioning reel, and the first tensioning reel and the second tensioning reel are respectively located on both sides of the flexible display screen 1. The installation positions of the first tensioning reel and the second tensioning reel can be manually adjusted, so that the tensioning force of the flexible display screen 1 can be adjusted according to the flexibility attenuation degree of the flexible display screen 1.

[0044] In order to expand the curlable area of the flexible display screen 1, optionally, two curling storage mechanisms 2 are provided, and one curling storage mechanism 2 is arranged on each side of the flexible display screen 1. It can be understood that the non-curling part 14 of the flexible display screen 1 is symmetrically provided with the connecting part 11, the first curling part 12 and the second curling part 13 on both sides, one side of the flexible display screen 1 is curled and stored by one curling storage mechanism 2, and the other side of the flexible display screen 1 is curled and stored by the other curling storage mechanism 2, so that both sides of the flexible display screen 1 can be curled, thereby expanding the curlable area of the flexible display screen 1, making the size of the display device smaller and more convenient to carry.

[0045] It should be noted that the 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 makes the display more durable and lighter. The flexible OLED panel is concave from top to bottom with a bending radius of up to 700 mm. OLED uses a plastic substrate instead of the commonly used glass substrate, which is packaged by thin film packaging technology and adhered to the back of the panel with a protective film, making the panel bendable and less prone to breakage.

[0046] An OLED device is composed of a substrate, a cathode, an anode, a hole injection layer (HIL), an electron injection layer (EIL), a hole transport layer (HTL), an electron transport layer (ETL), an electron blocking layer (EBL), a hole blocking layer (HBL), an emission layer (EML), and the like. 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 bendable flexible OLED device needs to be made, other materials such as plastic need to be used as the substrate of the device. The anode is connected to the positive electrode of the external driving voltage of the device, and the holes in the anode will move to the light-emitting layer in the device under the driving of the external driving voltage. The anode needs to have certain light transmittance when the device is working, so that the light emitted inside the device can be observed by the outside world; the most commonly used material for the anode is ITO.

[0047] The hole injection layer can modify the anode of the device and allow the holes from the anode to be smoothly injected into the hole transport layer; the hole transport layer is responsible for transporting holes to the light-emitting layer; the electron blocking layer blocks 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 device's electrons and holes recombine to form excitons and then the excitons de-excite to emit light; the hole blocking layer blocks 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 light-emitting efficiency of the device; the electron transport layer is responsible for transporting electrons from the cathode to the light-emitting layer of the device; the electron injection layer modifies the cathode and transports electrons to the electron transport layer; the electrons in the cathode will move to the light-emitting layer of the device under the driving of the external driving voltage of the device, and then recombine with the holes from the anode in the light-emitting layer.

[0048] Compared with traditional screens, the flexible display screen 1 has obvious advantages. It is not only more lightweight in volume, but also has lower power consumption than the original device, which helps to improve the endurance of the device. At the same time, based on its bendable and flexible characteristics, its durability is also much higher than that of previous screens, reducing the probability of accidental damage to the device. The screen of the folding screen needs to withstand 200,000 folds without damage, which is a flexible screen with high flexibility requirements, and the structure of the screen also needs to be designed separately.

[0049] The display device provided in the embodiment is used for winding and storing the flexible display screen 1. When the flexible display screen 1 is wound and stored, the first winding part 12 of the flexible display screen 1 is driven by the central winding shaft 21 to be wound on the central winding shaft 21, and the second winding part 13 is driven by the isolation winding shaft group 22 to be wound on the isolation winding shaft group 22, so that the first winding part 12 and the second winding part 13 are separated and do not contact each other. By controlling the movement of different winding parts of the flexible display screen 1, the display surface of the flexible display screen 1 does not contact other components when the flexible display screen 1 is wound in multiple layers, thereby avoiding the abrasion of the display surface of the flexible display screen 1 caused by the friction between the display surface and other components, prolonging the service life of the flexible display screen 1 and ensuring the display effect of the flexible display screen 1. The isolation winding shaft group 22 can be provided with multiple isolation winding shafts, so that the flexible display screen 1 can be wound in multiple turns, the space utilization of the winding and storing mechanism 2 is improved, and the occupied volume of the display device is reduced. Since the flexible display screen 1 can be extended out of the winding and storing mechanism 2 and wound into the winding and storing mechanism 2, the flexible display screen 1 is convenient to carry and can meet the flexible display requirements of users with different display areas, thereby improving the user experience.

[0050] It should be noted that the display device provided in the embodiment can be applied to terminal devices such as mobile phones, tablet computers, wearable devices, vehicle-mounted devices, augmented reality (AR) / virtual reality (VR) devices, notebook computers, ultra-mobile personal computers (UMPCs), netbooks, personal digital assistants (PDAs), and the like. The display device can also be applied to databases, servers, and service response systems based on terminal artificial intelligence. The specific type of the terminal device is not limited in the embodiment.

[0051] For example, the terminal device can be a station (STATION, STA) in a WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA) device, a handheld device having wireless communication function, a computing device or other processing device connected to a wireless modem, a computer, a laptop, a handheld communication device, a handheld computing device, and / or other equipment for communication over a wireless system and next generation communication system, such as a mobile terminal in a 5G network, a mobile terminal in a future evolved Public Land Mobile Network (PLMN), or a mobile terminal in a future evolved Non-Terrestrial Network (NTN), etc.

[0052] By way of example and not limitation, when the terminal device is a wearable device, the wearable device can also be a general term for smart design of daily wear by applying wearable technology, and development of a device that can be worn, such as a glove, a watch, etc. configured with a near field communication module. The wearable device is a portable device that is directly worn on the body or integrated into a user's clothes or accessories, performs payment, authentication, etc. by attaching to the user's body, and performing operations through a pre-bound electronic card. The wearable device is not only a hardware device, but also a powerful function achieved through software support and data interaction, cloud interaction. The general wearable smart device includes a full function, a large size, and can realize complete or partial functions without relying on a smart phone, such as a smart watch or smart glasses, etc., and focuses only on a certain type of application function, and needs to be used with other devices such as a smart phone, such as various types of smart watches, smart bracelets, etc. with a display screen.

[0053] As an example, the terminal device described above can also communicate with the network and other devices through wireless communication. The wireless communication described above can use any communication standard or protocol, including but not limited to Global System of Mobile communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), email, Short Messaging Service (SMS), etc.

[0054] As shown in Figure 6 and Figure 7 The present embodiment also provides a terminal device comprising the display device described above. The terminal device can be a rollable screen mobile phone. As shown in Figure 6 , the display device of the terminal device is in a rolled state, and the display area is small. As shown in Figure 7 , the display device of the terminal device is in an unfolded state, and the display area is large. When the flexible display screen 1 is rolled up, the center roller 21 is connected to the connecting part 11 of the flexible display screen 1. The first rolling part 12 of the flexible display screen 1 is wound on the center roller 21 by the center roller 21. The second rolling part 13 is wound on the isolation roller group 22 by rotating the isolation roller group 22. The first rolling part 12 and the second rolling part 13 are separated and do not contact. By controlling the movement of different rolling parts of the flexible display screen 1, the display surface of the flexible display screen 1 does not contact other components when the flexible display screen 1 is rolled up in multiple layers. This avoids wear caused by friction between the display surface of the flexible display screen 1 and other components, prolongs the service life of the flexible display screen 1, and ensures the display effect of the flexible display screen 1. The isolation roller group 22 can be provided with multiple isolation rollers. This realizes multiple winding of the flexible display screen 1, improves the space utilization of the rolling storage mechanism 2, and reduces the occupied volume of the display device. Since the flexible display screen 1 can be extended out of the rolling storage mechanism 2 and rolled into the rolling storage mechanism 2, it is convenient to carry and can also meet the flexible display needs of users with different display areas, improving the user experience.

[0055] On the hardware architecture, the terminal device has a central processing unit, a memory, an input component and an output component, that is, the terminal device is often a microcomputer device with communication function. In addition, the terminal device can have various input modes such as a keyboard, a mouse, a touch screen, a microphone and a camera, and can adjust the input as needed. At the same time, the terminal device often has various output modes such as a receiver and a display screen, which can also be adjusted as needed.

[0056] On the software architecture, the terminal device must have an operating system such as Windows Mobile, Symbian, Palm, Android, iOS, etc. At the same time, these operating systems are increasingly open, and personalized application software layers based on these open operating system platforms are emerging, such as address book, calendar, notepad, calculator and various games, which greatly meet the needs of personalized users.

[0057] In terms of communication capability, the terminal device has flexible access mode and high bandwidth communication performance, and can automatically adjust the selected communication mode according to the selected service and the environment, thereby facilitating user use. The terminal device can support GSM, WCDMA, CDMA2000, TDSCDMA, Wi-Fi and WiMAX, etc., so as to adapt to various networks, not only supporting voice service, but also supporting various wireless data services.

[0058] In terms of functional use, the terminal device pays more attention to humanization, individualization and multifunctionalization. With the development of computer technology, the terminal device has entered the "people-centered" mode from the "device-centered" mode, integrated embedded computing, control technology, artificial intelligence technology and biometric authentication technology, fully embodying the tenet of people-oriented. Due to the development of software technology, the terminal device can be adjusted and set according to individual needs, and is more personalized. At the same time, the terminal device itself integrates a large number of software and hardware, and the function is also more and more powerful.

[0059] Note that the above is only the preferred embodiment of the present application and the technical principle applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments herein, and those skilled in the art can make various obvious changes, re-adjustments and substitutions without departing from the scope of the present application. Therefore, although the present application has been described in more detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.

Claims

1. A display device, characterized in that, include: A flexible display screen includes a connecting portion, a first curling portion, a second curling portion, and a non-curling portion arranged sequentially. A curling and storage mechanism includes a housing, a central scroll, and an isolation scroll assembly. Both the central scroll and the isolation scroll assembly are rotatably mounted on the housing. The central scroll is connected to the connecting part. Rotating the central scroll can cause the first curled part to be wound around the central scroll, and rotating the isolation scroll assembly can cause the second curled part to be wound around the isolation scroll assembly, thereby isolating the first curled part and the second curled part. The isolation reel assembly includes a drive disk and multiple planetary reels. The drive disk is rotatably mounted on the housing, and the multiple planetary reels are rotatably mounted on the drive disk.

2. The display device according to claim 1, characterized in that, The planetary reel is a gear shaft, and the second coiled portion is provided with a rack that meshes with the gear shaft.

3. The display device according to claim 1, characterized in that, The planetary scrolls are evenly distributed along the circumference of the drive disk.

4. The display device according to claim 1, characterized in that, The axes of the multiple planetary scrolls lie on the same predetermined circle.

5. The display device according to claim 4, characterized in that, The axis of the central scroll is located at the center of the preset circle.

6. The display device according to claim 1, characterized in that, The isolation reel assembly also includes a first driving member, which is used to drive the driving disk to rotate.

7. The display device according to claim 1, characterized in that, The curling and storage mechanism also includes a second driving member, which is used to drive the central scroll to rotate.

8. The display device according to claim 1, characterized in that, The curling and storage mechanism also includes a guide roller, which is rotatably mounted on the housing.

9. The display device according to claim 1, characterized in that, Both the second winding section and the isolation roller group are provided with multiple units.

10. The display device according to claim 9, characterized in that, The curling radius of the plurality of second curled portions increases sequentially along the extension direction from the connecting portion to the non-curled portion.

11. The display device according to claim 1, characterized in that, Limit sensors are installed on the flexible display screen.

12. The display device according to claim 1, characterized in that, The curling and storage mechanism also includes a first tensioning roller and a second tensioning roller, which are located on both sides of the flexible display screen, respectively.

13. The display device according to claim 1, characterized in that, There are two curling and storage mechanisms, one on each side of the flexible display screen.

14. A terminal device, characterized in that, Includes the display device as described in any one of claims 1-13.

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