Display assembly and display device

Abstract

The present disclosure relates to the technical field of display, and provides a display assembly and a display device. The display assembly comprises a display panel, a support structure, a first driving assembly, a second driving assembly and a synchronization assembly. The support structure is connected with the display panel and used for supporting the display panel. The first driving assembly is connected with the display panel and used for driving the display panel to move in a direction. The second driving assembly is connected with the support structure and used for driving the support structure to move in the same direction as the display panel. The synchronization assembly is connected with at least one of the first driving assembly and the second driving assembly, and is configured to adjust the driving frequency of at least one of the first driving assembly and the second driving assembly, so that the display panel and the support structure move synchronously, thereby avoiding the problems of wrinkle and distortion of the display panel during the process of stretching or retracting, and improving the display effect and service life of the display assembly.

Description

[0001] This application claims priority to Chinese Patent Application No. 202510539276.5, filed with the State Intellectual Property Office of China on April 27, 2025, entitled “Display Component and Display Device”, the entire contents of which are incorporated herein by reference. Technical Field

[0002] This disclosure relates to the field of display technology, and more particularly to a display component and display device. Background Technology

[0003] Currently, in the field of display technology, existing display components are prone to problems such as wrinkles, bulging, and pulling failure during the stretching or retraction of display panels, which affects the display effect and service life of the display components.

[0004] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of this disclosure, and therefore may include information that does not constitute prior art known to those skilled in the art. Summary of the Invention

[0005] The purpose of this disclosure is to provide a display component and display device that can improve display performance and extend service life.

[0006] To achieve the above objectives, the embodiments of this disclosure provide the following technical solutions: On one hand, a display component is provided. The display component includes a display panel, a support structure, a first driving component, a second driving component, and a synchronization component. The support structure is connected to the display panel and is used to support the display panel. The first driving component is connected to the display panel to drive the display panel to move in one direction. The second driving component is connected to the support structure to drive the support structure to move in the same direction as the display panel. The synchronization component is connected to at least one of the first driving component and the second driving component, and the synchronization component is configured to adjust the driving frequency of at least one of the first driving component and the second driving component, so that the display panel and the support structure move synchronously.

[0007] In the aforementioned display assembly, the display panel and the support structure are connected to support the display panel, ensuring its stability during display and movement. Furthermore, the display assembly provided in this application also includes a synchronization component. The synchronization component can adjust the driving frequency (or driving speed and / or driving stroke, which can be calculated from the driving frequency) of the first driving component and / or the second driving component, enabling the display panel and the support structure to move synchronously. This avoids problems such as wrinkles, twisting, and pulling failures caused by asynchronous movement between the support structure and the display panel during extension or retraction, thereby improving the display effect, movement stability, and service life of the display assembly.

[0008] In some embodiments, the first driving assembly includes: a first retractable portion connected to the display panel. The first driving portion, connected to the first retractable portion, is configured to: drive the first retractable portion to rotate in one direction to unfold the display panel; or drive the first retractable portion to rotate in another direction to retract the display panel into the first retractable portion. The second driving assembly includes: a second retractable portion connected to a support structure. The second driving portion, connected to the second retractable portion, is configured to: drive the second retractable portion to rotate in one direction to unfold the support structure; or drive the second retractable portion to rotate in another direction to retract the support structure into the second retractable portion.

[0009] In some embodiments, the synchronization component includes: a detection module configured to detect a first rotation angle of the first driving unit driving the first storage unit and / or a second rotation angle of the second driving unit driving the second storage unit; and a control module connected to at least one of the first driving component and the second driving component, the control module being configured to adjust the driving frequency of at least one of the first driving unit and the second driving unit based on the first rotation angle and / or the second rotation angle.

[0010] In some embodiments, the control module is specifically configured to determine the motion stroke of the display panel based on a first rotation angle, and the motion stroke of the support structure based on a second rotation angle. When the absolute value of the difference between the motion stroke of the support structure and the motion stroke of the display panel is greater than a preset threshold, the driving frequency of at least one of the first driving unit and the second driving unit is adjusted until the absolute value of the difference between the motion stroke of the support structure and the motion stroke of the display panel is less than the preset threshold.

[0011] In some embodiments, the control module is specifically configured to: obtain a first relative rotation angle of the first drive unit driving the first storage unit based on a first rotation angle. The first relative rotation angle is the total angle that the first drive unit has rotated relative to its starting position during the unfolding or rewinding of the display panel. Based on the first relative rotation angle, the number of turns the display panel makes around the first storage unit, and the rotation angle and radius corresponding to each turn of the display panel wound around the first storage unit, the movement stroke of the display panel is obtained.

[0012] In some embodiments, when the display panel is completely rolled up to the first storage portion, the number of turns the display panel makes on the first storage portion up to the Nth turn, the rotation angle corresponding to the first turn is determined based on the radius corresponding to the first turn and the length of the portion of the display panel used to connect with the first storage portion, and the rotation angle corresponding to each turn from the second turn to the (N-1)th turn is 360 degrees. N is a positive integer greater than or equal to 1.

[0013] In some embodiments, the control module is specifically configured to: obtain a second relative rotation angle of the second drive unit driving the second storage unit based on the second rotation angle. The second relative rotation angle is the total angle that the second drive unit has rotated relative to the starting position during the unfolding or rewinding process of the support structure. The stroke of the support structure is obtained based on the second relative rotation angle and a preset radius.

[0014] In some embodiments, the control module is specifically configured to: when unfolding the support structure, obtain the unfolding stroke of the support structure based on the third relative rotation angle of the second drive unit and the first preset radius. The third relative rotation angle is the total angle by which the second drive unit has rotated relative to the starting position during the unfolding process of the support structure. When winding the support structure, obtain the winding stroke of the support structure based on the fourth relative rotation angle of the second drive unit and the second preset radius. The fourth relative rotation angle is the total angle by which the second drive unit has rotated relative to the starting position during the winding process of the support structure.

[0015] In some embodiments, the first preset radius is greater than the second preset radius.

[0016] In some embodiments, the preset threshold is determined based on the minimum force required to stabilize the shape of the display panel, the maximum tension force that the display panel can withstand, and the maximum compressive force that the support structure can maintain the shape stability.

[0017] In some embodiments, the display assembly further includes a tension spring connected between the first driving portion and the first retracting portion, configured to apply a spring force to the first retracting portion to keep the display panel in a tensioned or retracted state. The preset threshold is determined based on the minimum force required to stabilize the shape of the display panel, the maximum tension force that the display panel can withstand, the correspondence between the tension spring and the number of driving pulses of the first driving portion, and the maximum compressive force required for the support structure to maintain shape stability.

[0018] In some embodiments, the control module is specifically configured to: adjust the driving frequency of the first driving unit according to the first motion state parameters of the display panel and the first mapping relationship. The first mapping relationship is used to characterize the relationship between the first motion state parameters and the driving frequency of the first driving unit. And / or, adjust the driving frequency of the second driving unit according to the second motion state parameters of the support structure and the second mapping relationship. The second mapping relationship is used to characterize the relationship between the second motion state parameters and the driving frequency of the second driving unit.

[0019] In some embodiments, the first motion state parameter includes the number of revolutions the display panel is currently on the first storage portion or the current relative rotation angle of the display panel. The second motion state parameter includes the number of revolutions the support structure is currently on the second storage portion or the current relative rotation angle of the support structure.

[0020] In some embodiments, the display assembly further includes a tension spring connected between the first driving portion and the first retractable portion. The tension spring is configured to apply a spring force to the first retractable portion to keep the display panel in a stretched or retracted state.

[0021] In some embodiments, the first driving part is specifically configured to: drive the first storage part to rotate in one direction via a coiling spring, so as to stretch and unfold the display panel. Alternatively, drive the first storage part to rotate in another direction via a coiling spring, so as to roll the display panel around the outer peripheral surface of the first storage part.

[0022] In some embodiments, the synchronization component includes: a detection component configured to detect the movement stroke and / or speed of the display panel and / or support structure; and a control component connected to a first drive component and / or a second drive component, the control component being capable of adjusting the drive frequency of the first drive component and / or the second drive component, or adjusting the drive speed and / or drive stroke of at least one of the first drive component and the second drive component, the drive speed and drive stroke being calculated from the drive frequency.

[0023] In some embodiments, the detection component includes: a detection reference member that is in at least contact with a support structure and is rotatable relative to the support structure; and a first detector configured to detect the rotation angle and / or rotation speed of the reference member to obtain the movement stroke and / or movement speed of the support structure.

[0024] In some embodiments, the support structure is provided with a plurality of first limiting structures, which are arranged along the movement direction of the support structure; the detection reference is provided with a second limiting structure, which can limit and cooperate with the first limiting structure.

[0025] In some embodiments, the outer peripheral surface of a portion of the detection reference member faces the support structure, and the second limiting structure is disposed on the outer peripheral surface of the detection reference member.

[0026] In some embodiments, the support structure is provided with multiple rows of first limiting structures, which are spaced apart along a first direction; the detection reference is provided with multiple rows of second limiting structures, which are spaced apart along the first direction; wherein, the multiple rows of first limiting structures and the multiple rows of second limiting structures correspond one-to-one, and each row of first limiting structures can be limited and cooperated with its corresponding second limiting structure; the first direction intersects with the end face of the detection reference.

[0027] In some embodiments, one of the first limiting structure and the second limiting structure includes a limiting hole, and the other includes a limiting block, wherein the limiting block can be limited and engaged with the limiting hole.

[0028] In some embodiments, the end face of the detection reference member is provided with a first detection through hole, and the first detector includes: a first transmitting element for transmitting a detection signal; a first receiving element, wherein the first receiving element and the first transmitting element are respectively disposed on two end face sides of the detection reference member, and the first receiving element is used to receive the detection signal passing through the first detection through hole; and a first processing element connected to the first receiving element for determining the rotation angle and / or rotation speed of the detection reference member based on the detection signal received by the first receiving element.

[0029] In some embodiments, the detection component includes a second detector configured to directly detect the stroke and / or velocity of the support structure.

[0030] In some embodiments, the support structure is provided with a plurality of second detection through holes, which are arranged along the movement direction of the support structure; the second detector includes: a second transmitting element for transmitting a detection signal; a second receiving element, one of which is disposed on the side of the support structure close to the display panel and the other is disposed on the side of the support structure away from the display panel, the second receiving element being used to receive the detection signal passing through the second detection through holes; and a second processing element connected to the receiving element for determining the movement stroke and / or movement speed of the support structure based on the detection signal received by the receiving element.

[0031] In some embodiments, the display component further includes: a first limiting member disposed on the side of the support structure away from the display panel and in contact with the support structure at least to limit the movement of the support structure.

[0032] In some embodiments, the display component further includes a fastener for connecting the display panel and the support structure.

[0033] In some embodiments, the fastener is used to connect the end of the display panel away from the first driving component and the end of the support structure away from the second driving component.

[0034] In some embodiments, the display assembly further includes a second limiting member disposed on the side of the display panel away from the support structure and in contact with the display panel at least to limit the movement of the display panel.

[0035] In some embodiments, the detection component includes an optical encoder and / or a magnetic encoder.

[0036] On the other hand, a display device is provided. The display device includes a display component as described in any of the above embodiments.

[0037] The above-described display device has the same structure and beneficial technical effects as the display components provided in some of the above embodiments, and will not be described again here. Attached Figure Description

[0038] To more clearly illustrate the technical solutions in this disclosure, the accompanying drawings used in some embodiments of this disclosure will be briefly described below. Obviously, the drawings described below are only drawings of some embodiments of this disclosure, and those skilled in the art can obtain other drawings based on these drawings. In addition, the drawings described below can be regarded as schematic diagrams and are not intended to limit the actual size of the product, the actual flow of the method, the actual timing of the signals, etc. involved in the embodiments of this disclosure.

[0039] Figure 1 A schematic diagram of the structure of a display device in a display state according to an exemplary embodiment of the present disclosure is shown; Figure 2 A schematic diagram of another display state of a display device according to an exemplary embodiment of the present disclosure is shown; Figure 3 A schematic diagram of the structure of a display component according to an exemplary embodiment of the present disclosure is shown. Figure 1 ; Figure 4 A schematic diagram of the structure of a first driving component according to an exemplary embodiment of the present disclosure is shown; Figure 5 A schematic diagram of the structure of a second drive component according to an exemplary embodiment of the present disclosure is shown; Figure 6 An exploded view of a portion of the structure of a display component according to an exemplary embodiment of the present disclosure is shown; Figures 7 to 12 A schematic diagram of the support structure according to different exemplary embodiments of the present disclosure is shown; Figure 13 A schematic diagram of the structure of a detection component according to an exemplary embodiment of the present disclosure is shown. Figure 1 ; Figure 14 A schematic diagram of the structure of a display component according to an exemplary embodiment of the present disclosure is shown. Figure 2 ; Figure 15 A schematic diagram of the structure of a detection component according to an exemplary embodiment of the present disclosure is shown. Figure 2 ; Figure 16 A schematic diagram of the structure of a display component according to an exemplary embodiment of the present disclosure is shown. Figure 3 ; Figure 17 A schematic diagram showing the relationship between the number of drive pulses of the first drive unit and the magnitude of the force applied by the coiling spring according to an exemplary embodiment of the present disclosure is shown. Figure 18 A schematic diagram of the operating state of a support structure according to an exemplary embodiment of the present disclosure is shown; Figure 19 A schematic diagram of a control system for a display component according to an exemplary embodiment of the present disclosure is shown; Figure 20 A schematic diagram of the operation state of a display panel according to an exemplary embodiment of the present disclosure is shown; Figure 21 A schematic diagram of the structure of a display component according to an exemplary embodiment of the present disclosure is shown. Figure 4 .

[0040] Explanation of reference numerals in the attached figures: 1. Display panel; 2. Support structure; 21. First limiting structure; 22. Second detection through hole; 3. First driving assembly; 31. First driving part; 32. First storage part; 33. First fixing base; 4. Second driving assembly; 41. Second driving part; 411. First and second driving parts; 412. Second and second driving parts; 42. Second storage part; 421. First and second storage parts; 422. Second and second storage parts; 43. Second fixing base; 5. Synchronization assembly; 51. Detection assembly; 511. Detection reference piece; 5111. Second limiting structure; 5112. First detection through hole; 51 2. First detector; 5121. First transmitting element; 5122. First receiving element; 513. Second detector; 5131. Second transmitting element; 5132. Second receiving element; 52. Detection module; 521. First detection module; 522. Second detection module; 523. Third detection module; 53. Control module; 54. Driver; 541. First driver; 542. Second driver; 543. Third driver; 6. First limiting member; 7. Fixing member; 71. Lock; 72. Lock housing; 8. Second limiting member; 9. Photoelectric sensor; 10. Photoelectric sensor blocking member; X, first direction; T, coil spring; Q, storage casing. Detailed Implementation

[0041] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in many forms and should not be construed as limited to the embodiments set forth herein; rather, they are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and therefore their detailed description will be omitted.

[0042] Although relative terms such as "up" and "down" are used in this specification to describe the relative relationship of one component of an icon to another, these terms are used only for convenience, such as according to the orientation of the examples shown in the accompanying drawings. It is understood that if the device of the icon is flipped upside down, the component described as "up" will become the component described as "down." When a structure is "up" of another structure, it may mean that the structure is integrally formed on the other structure, or that the structure is "directly" mounted on the other structure, or that the structure is "indirectly" mounted on the other structure through another structure.

[0043] The terms “a,” “one,” “the,” and “the” are used to indicate the existence of one or more elements / components / etc.; the terms “including” and “having” are used to indicate an open-ended inclusion meaning and that there may be other elements / components / etc. in addition to the listed elements / components / etc.; the terms “first” and “second” are used only as markers and are not a limitation on the number of objects.

[0044] This disclosure provides a display device, which can be a display stand, a sliding and retractable display screen, a mobile phone, a tablet computer, etc. The display device may include a display component, which can be used to display images.

[0045] like Figure 1 and Figure 2 As shown, the display component may include: a display panel 1. The display panel 1 may be an OLED display panel 1, but is not limited to this; it may also be an LED display panel 1, an LCD display panel 1, etc. The display panel 1 may be a flexible display panel 1, which can be rolled up and stretched. Figure 1 The diagram shown is a structural schematic of the display panel 1 when it is rolled up. Figure 2 The diagram shown is a structural schematic of the display panel 1 when it is extended.

[0046] like Figure 3 and Figure 4 As shown, the display component may further include a first driving component 3. The first driving component 3 may be connected to the display panel 1 to drive the display panel 1 to move in a direction. This direction may be a stretching direction or a rolling direction of the display panel 1.

[0047] The first driving assembly 3 may include a first driving part 31 and a first storage part 32. The first storage part 32 may be connected to the first driving part 31 so that the first driving part 31 can drive the first storage part 32 to rotate. The display panel 1 may be rolled around the outer peripheral surface of the first storage part 32. When the first driving part 31 drives the first storage part 32 to rotate in one direction, the display panel 1 may be stretched and unfolded in that direction. When the first driving part 31 drives the first storage part 32 to rotate in another direction, the display panel 1 may be rolled back around the outer peripheral surface of the first storage part 32.

[0048] The first drive unit 31 may include a drive motor, which may have a motor shaft, and the first storage unit 32 may be sleeved on the outer peripheral surface of the motor shaft so that the drive motor can drive the first storage unit 32 to rotate.

[0049] The first storage section 32 mentioned above can be a storage roll, but it is not limited to this. The first storage section 32 can also be other structural components that can retract the display panel 1. It can be selected and set according to actual needs, and all of these are within the protection scope of this disclosure.

[0050] The first driving assembly 3 may further include a first fixing base 33, on which the first driving part 31 can be mounted to ensure the stability of the first driving component during operation, thereby improving the motion stability of the display panel 1 during the rolling and stretching process. Simultaneously, by providing the first fixing base 33, it is also convenient to fix the first driving assembly 3 on the display device.

[0051] like Figure 16 As shown, the display assembly may further include a tension spring T, which is connected between the first driving part 31 and the first storage part 32. The tension spring T is used to apply a spring force to the first storage part 32 to keep the display panel 1 in a stretched or retracted state. When the display panel 1 is in a stationary state, the first driving assembly 3 no longer outputs driving force. At this time, the tension spring T is used to apply a spring force to the first storage part 32 to keep the display panel 1 in a stretched or retracted state.

[0052] By providing a tension spring T between the first driving part 31 and the first storage part 32, the tension spring T can continuously apply basic elastic force to ensure that the display panel 1 is always in a taut state, fundamentally preventing the screen from wrinkling or arching due to slackness, and maintaining its shape stability and display flatness.

[0053] In some embodiments, the first driving part 31 may also drive the first storage part 32 to rotate in one direction by the winding spring T, so that the display panel 1 is stretched and unfolded; or, the first storage part 32 may be driven to rotate in another direction by the winding spring T, so that the display panel 1 is rolled up on the outer peripheral surface of the first storage part 32.

[0054] In this embodiment, the coiling spring T, as a flexible element, can effectively absorb the impact and speed fluctuations during system operation, buffer the instantaneous stress caused by the start-up or shutdown of the first drive unit 31 or transmission jamming, protect the screen from hard pulling damage, and significantly improve the lifespan and safety of the display component's coiling motion.

[0055] like Figure 17 The diagram illustrates the relationship between the number of drive pulses of the first drive unit and the magnitude of the force applied by the coiling spring according to an exemplary embodiment of the present disclosure. The horizontal axis represents the number of drive pulses of the first drive unit, and the vertical axis represents the magnitude of the force applied by the coiling spring (in N, Newtons). The number of drive pulses of the first drive unit 31 is equal to the drive frequency of the first drive unit 31 multiplied by the drive time.

[0056] like Figure 3 as well as Figures 5 to 12As shown, the display assembly may further include a support structure 2. The support structure 2 can be connected to the display panel 1 to support the display panel 1, ensuring its flatness during movement and thus improving the display effect during operation. Simultaneously, by providing the support structure 2, the display panel 1 can be supported when stationary, preventing it from collapsing due to gravity, thereby improving its display effect when stationary and reducing the probability of damage.

[0057] The support structure 2 can be a support plate to support the non-display surface of the display panel 1. That is, the support structure 2 can be located on the side of the display panel 1 away from the display surface and connected to the display panel 1. However, it is not limited to this. The support structure 2 can also be a support column, support plate, tape measure, etc., which can be selected and set according to the actual situation.

[0058] In some embodiments, the display component may be provided with one or more support structures 2, such as Figure 16 As shown, taking the display component with two support structures 2 as an example, the two support structures 2 are arranged parallel to each other in the first direction X on the non-display surface of the display panel 1. The two support structures 2 can be symmetrical about the axis of symmetry of the display panel 1. In this embodiment, by arranging two tape measure-shaped support structures 2 parallel to each other in the first direction X, symmetrical and balanced support force is provided for the non-display surface of the display panel 1. The parallel layout of the dual support structures significantly enhances the rigidity and stability of the overall structure, effectively preventing the display panel 1 from shifting, twisting or wrinkling on one side during rolling or unfolding; at the same time, the symmetrical distribution design makes the driving load evenly distributed, improving the smoothness and synchronization of the movement process, not only reducing the stress load on a single support structure, but also enhancing the reliability of the system, thereby ensuring that the display panel 1 maintains excellent morphological stability and extends its service life during dynamic operation.

[0059] like Figure 3 and Figure 5 As shown, the display assembly may further include a second driving component 4, which can be connected to the support structure 2 to drive the support structure 2 to move in the same direction as the display panel 1. That is, the direction of movement of the support structure 2 can also be the stretching direction or the rolling direction of the display panel 1.

[0060] The second drive assembly 4 may include a second drive section 41 and a second storage section 42. The second storage section 42 may be connected to the second drive section 41 so that the second drive section 41 drives the second storage section 42 to rotate. The support structure 2 may be wound around the outer peripheral surface of the second storage section 42. When the second drive section 41 drives the second storage section 42 to rotate in one direction, the support structure 2 may stretch and unfold in that direction. When the second drive section 41 drives the second storage section 42 to rotate in another direction, the support structure 2 may be wound back around the outer peripheral surface of the second storage section 42.

[0061] The second drive unit 41 may include a drive motor, which may have a motor shaft, and the second storage unit 42 may be sleeved on the outer peripheral surface of the motor shaft so that the drive motor can drive the second storage unit 42 to rotate.

[0062] The second storage section 42 can be used to store a roll, but is not limited to this. The second storage section 42 can also be other structural components capable of winding up the support structure 2, and can be selected and configured according to actual needs; all of this is within the scope of this disclosure. The second drive assembly 4 may further include a second fixing base 43, on which the second drive section 41 can be mounted to ensure the stability of the second drive component during operation, thereby improving the movement stability of the support structure 2 during winding and stretching. Simultaneously, by providing the second fixing base 43, it is also convenient to fix the second drive assembly 4 on the display device.

[0063] In some embodiments, such as Figure 18 As shown, the display component may further include a housing Q, with the second housing 42 disposed within the cavity formed by the housing Q. In this embodiment, the housing Q forms a semi-enclosed cavity, which on the one hand effectively isolates external dust, impurities, and accidental contact, preventing the support structure from being contaminated or mechanically damaged during movement, thus ensuring long-term reliability; on the other hand, it can achieve operation guidance and constraint, regulating the unfolding and rewinding trajectory of the support structure 2 through precise path openings, preventing it from deviating, getting stuck, or loosening, and ensuring the stability of synchronous movement with the display panel 1; furthermore, the housing Q can also enhance the integration and structural integrity of the display component, serving as the mounting base for the second drive component 4, facilitating overall fixation and protecting the internal precision winding mechanism, thereby improving the overall structural strength and service life of the product.

[0064] In some embodiments, such as Figure 1 , Figure 6 and Figure 14As shown, the display assembly may further include a fixing member 7. The fixing member 7 can be used to connect the display panel 1 and the support structure 2 to improve the stability of the connection between the display panel 1 and the support structure 2. The fixing member 7 is located at the end of the display panel 1 away from the first driving component 3, and can also be located at the end of the support structure 2 away from the second driving component 4. This arrangement allows the connection point between the display panel 1 and the support structure 2 to be located at the end of the display panel 1, thereby increasing the support range of the support structure 2 on the display panel 1, and further improving the support effect of the support structure 2 on the display panel 1, ensuring the flatness of the display panel 1 during movement and at rest.

[0065] like Figure 6 As shown, the fastener 7 may include a latch 71 and a locking housing 72. The latch 71 may be fixedly disposed on the non-display surface of the display panel 1, and the locking housing 72 may be fastened to the latch 71. The support structure 2 may be disposed between the latch 71 and the locking housing 72, so as to fix the support structure 2 by means of the fastening between the locking housing 72 and the latch 71, thereby realizing the connection between the support structure 2 and the display panel 1.

[0066] Furthermore, the fastener 7 may also include a reinforcing member. One end of the reinforcing member can pass through the lock housing 72 and the support structure 2 and be fixed to the latch 71. This arrangement can improve the fastening strength between the lock hole and the lock housing 72, and improve the connection stability between the support structure 2 and the display panel 1. The reinforcing member can be a screw, bolt, etc., but is not limited to these.

[0067] In some scenarios, during the curling motion of the display panel 1, if the first driving part 31 and the second driving part 41 are not driven synchronously, such as when there is a difference in the step loss rate between the first driving part 31 driving the support structure 2 and the second driving part 41 driving the display panel 1, specifically, if the support structure 2 is made of a rigid material, such as manganese steel, and is wound up with the winding shaft connected to the second driving part 41, when winding and unwinding, the rigid material requires a large winding force at a small radius, which can easily cause the second driving part 41 to lose steps.

[0068] If the first drive unit 31 and the second drive unit 41 are out of step, it will cause a mismatch in the linear velocity between the support structure 2 side and the display panel 1 side, thereby disrupting the balance of the tension of the display panel 1 and causing defects such as wrinkling, twisting, local stretching or loosening (wrinkling) to easily occur in the display panel 1.

[0069] In other scenarios, during the curling of the display components, the radius of the display panel 1 wound around the first storage portion 32 dynamically changes with the number of turns. Based on the relationship between linear velocity and angular velocity, even if the driving frequency of the first driving portion 31 remains constant, the actual linear velocity of the display panel 1 will fluctuate due to the change in radius. This nonlinear effect complicates maintaining a constant tension on the display panel 1, further exacerbating the risk of unstable morphology of the display panel 1.

[0070] In order to ensure that the shape of the display panel 1 is stable and the tension force is stable or constant during the unfolding and rewinding stages, so as to maintain the shape stability of the display panel 1 during the unfolding and rewinding process, improve the overall winding life of the display assembly, and reduce the risk of damage to the display panel 1.

[0071] In some embodiments, such as Figure 3 , Figure 14 and Figure 16 As shown, the display component may further include a synchronization component 5. The synchronization component 5 can be connected to the first driving component 3, and can be configured to adjust the driving frequency of the first driving component 3, or adjust the driving speed and / or driving stroke of at least one of the first and second driving components. The driving speed and driving stroke can be calculated from the driving frequency to make the display panel 1 and the support structure 2 move synchronously. Alternatively, the synchronization component 5 can be connected to the second driving component 4, and can be configured to adjust the driving speed and / or driving stroke of the second driving component 4 to make the display panel 1 and the support structure 2 move synchronously. Alternatively, the synchronization component 5 can be connected to both the first driving component 3 and the second driving component 4, and can be configured to adjust the driving speed and / or driving stroke of both the first and second driving components 3 to make the display panel 1 and the support structure 2 move synchronously. This configuration avoids problems such as wrinkles, twisting, and pulling failures caused by asynchronous movement between the support structure 2 and the display panel 1 during the extension or retraction of the display panel 1, thereby improving the display effect, movement stability, and service life of the display component.

[0072] In some examples, such as Figure 16 As shown, the synchronization component 5 may include a detection module 52 and a control module (not shown in the figure).

[0073] In one example, the detection module 52 is configured to detect a first rotation angle of the first drive unit 31 driving the first storage unit 32. Alternatively, the detection module 52 is configured to detect a second rotation angle of the second drive unit 41 driving the second storage unit 42. Alternatively, the detection module 52 is configured to detect both the rotation angle of the first drive unit 31 driving the first storage unit 32 and the rotation angle of the second drive unit 41 driving the second storage unit 42.

[0074] In one specific embodiment, as follows Figure 16 Taking the display component shown as an example, such as Figure 16 and Figure 19 As shown, the display components may include a control module 53, a detection module 52, multiple drivers 54 (including a first driver 541, a second driver 542 and a third driver 543), a first driving unit 31, a first storage unit 32, multiple second driving units 41 (including a first second driving unit 411 and a second second driving unit 412), multiple second storage units 42 (including a first second storage unit 421 and a second second storage unit 422) and multiple detection modules 52 (including a first detection module 521, a second detection module 522 and a third detection module 523).

[0075] The first detection module 521 is configured to detect a first rotation angle of the first drive unit 31 driving the first storage unit 32. The second detection module 522 is configured to detect a second rotation angle of the first and second drive units 411 driving the first and second storage units 421. The third detection module 523 is configured to detect a third rotation angle of the second drive unit 412 driving the second and second storage units 422.

[0076] The driver 54 communicates with the control module 53 via protocols such as I2C, SPI, and I / O to set the driver's operating mode and the frequency at which the first drive unit 31 and the second drive unit 41 are driven. The driver 54 outputs the pulse signals required for the movement of the first drive unit 31 and the second drive unit 41. The operating status of the first drive unit 31 and the second drive unit 41 is monitored in a closed loop by the detection module 52 (which can be a magnetically encoded sensor).

[0077] The detection module 52 is located on the output shaft side of the first drive unit 31 or the second drive unit 41, and can calculate the step loss rate, actual rotation angle, or actual angular velocity of the first drive unit 31 or the second drive unit 41. Figure 16 As shown, the first detection module 521 is located on the output shaft side of the first drive unit 31, the second detection module 522 is located on the output shaft side of the first and second drive units 411, and the third detection module 523 is located on the output shaft side of the second and second drive units 412.

[0078] The first, second, and third rotation angles range from 0 to 360 degrees. For example, when the first detection module 521 detects that the first driving unit 31 drives the first storage unit 32 to rotate to 360 degrees, it will restart the detection from 0 degrees, and repeat this cycle to detect the rotation angle. The second detection module 522 and the third detection module 523 work similarly and will not be described in detail here.

[0079] In one example, the control module 53 is connected to at least one of the first drive unit 31 and the second drive unit 41, and the control module 53 is used to adjust the drive frequency of at least one of the first drive unit 31 and the second drive unit 41 based on a first rotation angle and / or a second rotation angle (the second rotation angle and the third rotation angle need to be consistent).

[0080] In this embodiment, precise feedback and synchronous control are performed based on the actual rotation angles (first rotation angle and / or second rotation angle) of the two drive units. Once an angle asynchrony (i.e., linear velocity mismatch) caused by motor step loss, load change or radius change is detected, it can be actively corrected by adjusting the drive frequency immediately. This ensures that the display panel 1 always bears a constant and safe tension force during the rolling or unfolding process, effectively preventing unstable morphology (such as wrinkling or excessive stretching), and significantly improving motion stability and product life.

[0081] In one specific embodiment, the control module 53 determines the movement stroke of the display panel 1 based on the first rotation angle.

[0082] Specifically, such as Figure 20 As shown, the control module 53 can obtain the first relative rotation angle of the first drive unit 31 driving the first storage unit 32 based on the first rotation angle A. The first relative rotation angle can be obtained by accumulating the detected first rotation angles, so the first relative rotation angle is the total angle that the first drive unit 31 has rotated relative to the starting position during the unfolding or rewinding process of the display panel 1.

[0083] The control module 53 determines the travel distance of the display panel 1 based on the first relative rotation angle, the number of times the display panel 1 is wound around the first storage section 32, the rotation angle corresponding to each turn of the display panel 1 around the first storage section 32, and the radius R corresponding to each turn. .

[0084] In a specific implementation, taking the display panel 1 completely rolled up on the first storage part 32 as an example, the number of turns of the display panel 1 on the first storage part 32 up to the Nth turn, where N is a positive integer greater than or equal to 1, can be understood as the stacking thickness of the display panel 1.

[0085] The radius of each turn of the display panel 1 wound around the first storage section 32 (or the curvature radius of the display panel 1): radius R1 of the first turn, radius R2 of the second turn, ..., radius Rn of the Nth turn.

[0086] Assuming the thickness of the display panel 1 is H (unit: mm), the radius of the first storage part 32 (or the pivot of the display panel 1) is Pr (unit: mm), the length of the display panel 1 fixed on the first storage part 32 when fully unfolded is S (unit: mm), and the curling stroke is D.

[0087] The radius R1 of the first ring is shown in formula (1): Formula (1) The stroke D1 of the first turn of the display panel 1 wound around the first storage section 32 is as shown in formula (2): Formula (2) The radius R2 of the second ring is shown in formula (3): Formula (3) The stroke D2 of the second turn of the display panel 1 wound around the first storage part 32 is as shown in formula (4): Formula (4) The radius Rn-1 of the (N-1)th ring is shown in formula (5): Formula (5) The stroke Dn-1 of the display panel 1 wound around the first storage section 32 on the (N-1)th turn is as shown in formula (6): Formula (6) The radius Rn of the Nth circle is shown in formula (7): Formula (7) The stroke Dn of the Nth turn of the display panel 1 wound around the first storage section 32 is as shown in formula (8): Formula (8) For each rotation angle corresponding to each turn of the display panel 1 wound around the first storage part 32, the rotation angle A1 corresponding to the first turn is determined according to the radius R1 corresponding to the first turn and the length S of the part of the display panel 1 used to connect with the first storage part 32. The rotation angle A1 of the first turn is as shown in formula (9): Formula (9) Wherein, S represents the length of the portion of the display panel 1 used to connect with the first storage section 32, or the length of the display panel 1 fixed to the first storage section 32 when it is fully unfolded.

[0088] From the second lap to the N-1th lap, the rotation angle for each lap is 360 degrees.

[0089] The rotation angle An of the Nth revolution is shown in formula (10): Formula (10) Where D represents the length of the curling path (or curling stroke) of the display panel 1, that is, the length of the display panel 1 when it is fully unfolded, excluding the length S of the part of the display panel 1 used to connect with the first storage part 32. k represents the number of rotations that the display panel 1 is currently on the first storage part 32. This indicates the radius corresponding to the Nth turn of the display panel 1 wound around the first storage section 32. The rotation angle An of the Nth turn can be used to determine the reset and status detection of the display component.

[0090] Specifically, when the first storage section 32 is in the first revolution, the total movement stroke of the display panel 1 is... As shown in formula (11): Formula (11) in, This indicates the first relative rotation angle.

[0091] When the first storage section 32 is in the second revolution, the total stroke of the display panel 1 is as shown in formula (12): Formula (12) When the first storage section 32 is in the third revolution, the total stroke of the display panel 1 is as shown in formula (13): Formula (13) When the first storage section 32 is in the Nth revolution, the total stroke of the display panel 1 is as shown in formula (14): Formula (14) Where k represents the current circle number of the display panel 1 on the first storage section 32.

[0092] In this embodiment, by comprehensively considering the specific number of turns the display panel 1 is on the first storage part 32, the rotation angle corresponding to each turn, and the real-time curling radius corresponding to that turn, the system can accurately calculate the actual linear displacement taking into account the influence of radius changes. This overcomes the stroke calculation error caused by the dynamic change of the curling radius with the number of turns, provides a high-precision feedback benchmark for subsequent synchronous control, ensures the accuracy of tension control and shape management, and effectively avoids the problem of the screen being too tight, too loose, or wrinkled due to inaccurate stroke calculation.

[0093] In another specific embodiment, the control module 53 determines the movement stroke of the support structure 2 based on the second rotation angle.

[0094] Specifically, such as Figure 18As shown, the control module 53 obtains the second relative rotation angle of the second drive unit 41 driving the second storage unit 42 based on the second rotation angle α. The control module 53 then obtains the current travel distance of the support structure 2 based on the second relative rotation angle and a preset radius r. The preset radius can be determined by the stacking thickness of the support structure 2 and the radius of the second storage unit 42.

[0095] The second relative rotation angle can be obtained by accumulating the detected second rotation angles. Therefore, the second relative rotation angle can be understood as the total angle that the second drive unit 41 has rotated relative to the starting position during the unfolding or rewinding process of the support structure 2. Specifically, the absolute angles of the starting and ending positions of the curling of the support structure 2 are used as the initial curling start and rewinding end angle positions. When the unfolding or rewinding movement begins, the relative rotation angle can be obtained by subtracting the current angle from the absolute angle of the starting or ending point. The sum of the relative angle differences at each moment can be used to obtain the sum of the rotated relative angles.

[0096] In this embodiment, the motion stroke calculation on the support structure 2 side is simplified by using a preset radius, which not only ensures the efficiency of real-time control of the system, but also avoids the complexity caused by real-time measurement radius by fixing parameters. This method complements the precise stroke calculation based on dynamic radius on the display panel 1 side, and together they build a synchronous control system that takes into account both accuracy and efficiency, ensuring that the system can quickly and reliably obtain the displacement information of the support structure 2.

[0097] Furthermore, when the support structure 2 is unfolded, the control module 53 obtains the current unfolding motion stroke of the support structure 2 based on the third relative rotation angle of the second drive unit 41 and the first preset radius; the third relative rotation angle is the total angle that the second drive unit 41 has rotated relative to the starting position during the unfolding process of the support structure 2. When the support structure 2 is deployed, the deployment stroke of the support structure 2 As shown in formula (15): Formula (15) in, This indicates the commencement of a sports program. Indicates the first preset radius. This indicates the third relative rotation angle.

[0098] When the support structure 2 is wound up, the control module 53 obtains the current winding motion stroke of the support structure 2 based on the fourth relative rotation angle of the second drive unit 41 and the second preset radius; the fourth relative rotation angle is the total angle that the second drive unit 41 has rotated relative to the starting position during the winding process of the support structure 2.

[0099] When the support structure 2 is wound up, the winding stroke of the support structure 2 is as shown in formula (16): Formula (16) in, Indicates the distance traveled during the roll-up motion. Indicates the second preset radius. This indicates the fourth relative rotation angle.

[0100] In this embodiment, the equivalent radius that best matches the direction of movement is used for calculation, which fully considers the different stress deformation and movement characteristics of the support structure 2 during unfolding (focusing on pushing and guiding) and rewinding (focusing on tension and flattening), thereby significantly improving the accuracy and applicability of the stroke calculation. This not only provides a more realistic and reliable data basis for stroke difference comparison and ensures the accuracy of synchronous control, but also effectively avoids control deviation caused by a single radius assumption, ultimately ensuring that the display panel 1 can obtain stable and consistent tension control throughout the entire rolling and unfolding cycle.

[0101] Furthermore, the first preset radius is larger than the second preset radius. Using a larger radius during the unfolding stage helps reduce the curvature of the support structure 2, thereby reducing motion resistance and material stress, ensuring a smooth and stable unfolding process. Using a smaller radius during the winding stage helps enhance winding tightness and guiding accuracy, preventing the support structure 2 from loosening or shifting during retraction. This differentiated radius design fully meets the different mechanical requirements of the support structure 2 in bidirectional motion, not only improving the accuracy of stroke calculation but also significantly improving the system's reliability, stability, and lifespan by optimizing the actual motion trajectory.

[0102] For the display panel 1 to maintain a stable shape, the travel difference between its starting and ending points needs to be close to zero. The starting point is the position where the display panel 1 connects to the support structure 2, controlled by the driving frequency (driving travel) of the driving unit of the support structure 2. The ending point is the position where the display panel 1 connects to the first storage unit 32, controlled by the driving frequency (driving travel) of the first driving unit 31 connected to the first storage unit 32. To achieve a zero travel difference, the linear velocity of the display panel 1 must be consistent with the linear velocity of the support structure 2. When the travel difference is not zero, the driving force on the display panel 1 changes; it may increase, causing the display panel 1 to bear greater tension, or it may decrease, causing the display panel 1 to slack and fail to maintain flatness.

[0103] In order to maintain the stability of the shape of the display panel 1, in another specific embodiment, when the absolute value of the difference between the movement stroke of the support structure 2 and the movement stroke of the display panel 1 is greater than a preset threshold, the control module 53 adjusts the driving frequency of at least one of the first driving unit 31 and the second driving unit 41 until the absolute value of the difference between the movement stroke of the support structure 2 and the movement stroke of the display panel 1 is less than the preset threshold.

[0104] The tension force on the display panel 1 is determined by calculating the travel difference between the display panel 1 and the support structure 2 during operation (e.g., travel difference ΔL = travel of support structure 2 - travel of display panel 1). The smaller the travel difference, the more stable the shape of the display panel 1. Furthermore, the travel difference between the support structure 2 and the display panel 1 is calculated in real time during operation. The first drive unit 31 and the second drive unit 41 are adjusted in real time according to the travel difference to control the travel difference between the support structure 2 and the display panel 1 within a certain range. Real-time speed adjustment refers to the angular velocity of the first drive unit 31. The radius of the first storage unit 32 is constant. When the angular velocity is changed, the linear velocity of the display panel 1 during unfolding or rewinding changes, and the travel per unit time changes, thereby compensating for the travel difference. The actual travel difference determines whether to increase or decrease the angular velocity, which can be adjusted by controlling the drive frequency of the drive unit.

[0105] In this embodiment, when the travel difference exceeds the preset threshold, compensation is immediately made by frequency adjustment, so that the support structure 2 and the display panel 1 always maintain a near-synchronous motion state, thereby ensuring that the tension borne by the display panel 1 during the rolling or unfolding process is constant, effectively eliminating wrinkling, stretching or shape instability caused by asynchronous speed, and significantly improving motion stability, shape consistency and product durability.

[0106] Specifically, when the absolute value of the stroke difference ΔL is less than (less than) a preset threshold, it indicates that the linear velocity of the support structure 2 and the rotation axis of the display panel 1 tends to be consistent, the shape of the display panel 1 is stable, and the control module 53 executes according to the preset driving frequency. If so... Figure 16 As shown, when the display component may also include a coiling spring T, when the absolute value of the stroke difference ΔL is less than (less than) a preset threshold, it also indicates that the force applied by the coiling spring T is constant.

[0107] When the stroke difference ΔL is greater than the preset threshold and is positive, it indicates that the linear velocity of the support structure 2 is greater than the linear velocity of the display panel 1. In this scenario, if the display panel 1 continues to unfold, the tension of the display panel 1 will increase, increasing the risk of display panel 1 failure and deformation of the support structure 2. If the display panel 1 continues to rewind, the tension of the display panel 1 will decrease, increasing the risk of the display panel 1 arching and failing. At this time, the driving frequency of at least one of the first drive unit 31 and the second drive unit 41 is adjusted according to the stroke difference ΔL, so that the stroke difference ΔL is less than the preset threshold in the shortest possible time. For example, by increasing the driving frequency of the first drive unit 31 at different speeds, the driving speed (or driving stroke) of the first drive unit 31 increases until the stroke difference is less than the preset threshold, after which the original driving frequency (or driving speed) is restored.

[0108] When the stroke difference ΔL is greater than the preset threshold and is negative, it indicates that the linear speed of the support structure 2 is less than the linear speed of the display panel 1. In this scenario, continued unfolding will reduce the tension of the display panel 1, increasing the risk of arching and failure. Continued winding will increase the tension of the display panel 1, and there is also a risk of delamination and failure at the tail end of the display panel 1. At this point, the motor drive frequency is adjusted according to the magnitude of ΔL to make the stroke difference ΔL less than the preset threshold in the shortest possible time. For example, by increasing the drive frequency of the first drive unit 31 at different speeds, the drive speed (or drive stroke) of the first drive unit 31 decreases until the stroke difference is less than the preset threshold, at which point the original drive frequency (or drive speed) is restored.

[0109] Furthermore, the support structure 2 can move at a constant speed as a reference speed during the entire operation process, or it can change speed. The purpose is to make the side linear velocity of the display panel 1 and the side linear velocity of the support structure 2 tend to be consistent, maintain a constant stroke difference, thereby ensuring that the tension force on the display panel 1 is constant during the curling motion, the shape remains stable, and the force applied by the curling spring is stable.

[0110] Furthermore, as Figure 16 Taking the display component shown as an example, the driving frequency of the first driving unit 31 is adjusted according to the magnitude of the travel difference ΔL. This can be referred to as... Figure 17 The diagram showing the relationship between the number of drive pulses of the first drive unit 31 and the magnitude of the force applied by the coiling spring is used for adjustment.

[0111] Furthermore, the preset threshold is determined based on the minimum force required to stabilize the shape of the display panel 1, the maximum tension force that the display panel 1 can withstand, and the maximum compressive force that the support structure 2 can maintain the shape stability.

[0112] The minimum force required to stabilize the shape of the display panel 1 refers to the minimum force required to maintain the flatness of the target display panel 1 (e.g., arching amount < 0.3mm) during the curling motion or in a static state. This value limits the minimum force applied by the coiling spring.

[0113] The maximum tension force that display panel 1 can withstand is determined by stacking (winding) display panels 1, which determines the maximum tensile force that display panel 1 can safely withstand. Under normal circumstances, this force is greater than the maximum compressive force required by the support structure 2 to maintain its shape stability, and the maximum value of the force applied by the coiling spring is limited to this value.

[0114] The maximum compressive force required to maintain the stable shape of the support structure 2 refers to the force applied by the coiling spring. When the tension spring is too large, the display panel 1 is stretched, and the support structure 2 is deformed by the pressure of the display panel 1, making it impossible to rewind or unwind normally. This force is a reference value for judging the initial tension of the display panel 1, and the maximum value of the tension spring force is limited to not exceeding this value.

[0115] In this embodiment, a reasonable travel difference tolerance is dynamically set according to the mechanical limits of the display panel 1 and the support structure 2. This ensures that the display panel 1 maintains effective tension (above the minimum force) during movement, while strictly preventing permanent damage caused by overload stretching (exceeding the maximum tension force) or compression deformation of the support structure 2 (exceeding the maximum compressive force). Thus, while ensuring morphological stability, dual overload protection is achieved for the screen and the support structure 2, significantly improving the reliability and service life of the system.

[0116] Furthermore, as Figure 16 Taking the display component shown as an example, the preset threshold is determined based on the minimum force applied to stabilize the shape of the display panel 1, the maximum tension force that the display panel 1 can withstand, the correspondence between the number of driving pulses of the coiling spring and the first driving part 31, and the maximum compressive force of the support structure 2 to maintain the shape stability.

[0117] The relationship between the coiling spring and the number of driving pulses from the first driving unit 31 refers to the fact that the coiling spring has no force in the initial state of the display panel 1. The first driving unit 31 controls the rotation of the shaft, causing the coiling spring to deform and generate a coiling force on the display panel 1. The magnitude of this force is related to the number of pulses output by the first driving unit 31, which can be obtained through testing. The relationship is related to factors such as the material, radius, and number of turns of the coiling spring. Once the appropriate force of the coiling spring is determined, according to... Figure 17 The curve showing the relationship between the change in the force applied by the coiling spring and the number of driving pulses of the first driving unit 31, along with the maximum compressive force required to maintain the shape of the support structure 2, the minimum force required to maintain the shape of the display panel 1, and the maximum tension force that the display panel 1 can withstand, determine the preset threshold or threshold range for the stroke difference. If the difference is less than the preset threshold or within the threshold range, the movement of the display panel 1 is relatively safe.

[0118] In this embodiment, the coiled spring provides a continuous and stable basic tension force for the display panel 1, effectively suppressing screen relaxation and wrinkling. At the same time, the correspondence between spring force and pulse number is incorporated into the threshold calculation, enabling the system to directly map the abstract stroke difference control quantity into a precise motor drive adjustment quantity. This establishes a dynamic balance between the minimum force required for stable display panel 1 and the mechanical limits that the screen and support structure 2 can withstand. This ensures both the adaptive adjustment capability of tension during movement and overload protection for key components, comprehensively improving the system's morphological stability and operational reliability.

[0119] Furthermore, the preset threshold can also be determined by combining the radius of the first storage section 32 and the radius of the second storage section 42.

[0120] In another example, the control module 53 is specifically configured to: adjust the driving frequency of the first driving unit 31 according to the first motion state parameters and the first mapping relationship of the display panel 1; the first mapping relationship is used to characterize the relationship between the first motion state parameters and the driving frequency of the first driving unit 31; and / or, adjust the driving frequency of the second driving unit 41 according to the second motion state parameters and the second mapping relationship of the support structure 2; the second mapping relationship is used to characterize the relationship between the second motion state parameters and the driving frequency of the second driving unit 41.

[0121] In this embodiment, based on the actual motion state of the display panel 1 and the support structure 2, the required drive frequency adjustment amount is quickly determined by looking up tables (first mapping relationship and second mapping relationship), without relying on complex real-time model calculations, which greatly improves the response speed and decision-making efficiency of the control system; fine frequency modulation can be performed for specific motion stages, thereby significantly enhancing the system's adaptability and robustness to different working conditions while ensuring morphological stability.

[0122] In one specific embodiment, the first motion state parameter includes the number of revolutions that the display panel 1 is currently on the first storage portion 32 or the current relative rotation angle of the display panel 1; The second motion state parameters include the current number of revolutions of the support structure 2 on the second storage part 42 or the current relative rotation angle of the support structure 2.

[0123] In this embodiment, the most representative state parameters (number of rotations reflects radial position change, rotation angle reflects circumferential motion accuracy) are selected according to actual control requirements. This can reduce the system's computational complexity while ensuring control accuracy, and can also indirectly calculate the curl radius change and motion stroke through the combined application of different parameters. This effectively adapts to different levels of control accuracy requirements, and significantly improves the flexibility of the control strategy and the efficiency of system resource allocation while ensuring the synchronization between the display panel 1 and the support structure.

[0124] In some embodiments, such as Figure 3 and Figure 14 As shown, the synchronization component 5 may include a detection component 51 and a control component. The detection component 51 may be configured to detect the movement stroke and / or speed of the display panel 1. Alternatively, the detection component 51 may be configured to detect the movement stroke and / or speed of the support structure 2. Alternatively, the detection component 51 may be configured to detect the movement stroke and / or speed of both the display panel 1 and the support structure 2.

[0125] The detection component 51 may include a detection reference 511 and a first detector 512. The detection reference 511 may be in contact with the support structure 2 at least, and the detection reference 511 may be rotatable relative to the support structure 2. The first detector 512 may be configured to detect the rotation angle and / or rotation speed of the reference 511 to obtain the movement stroke and / or movement speed of the support structure 2.

[0126] In some embodiments, such as Figures 6 to 12 As shown, the support structure 2 can be provided with multiple first limiting structures 21, which can be arranged along the movement direction of the support structure 2. The detection reference member 511 can be provided with a second limiting structure 5111, which can cooperate with each other. With this configuration, during the movement of the support structure 2, the second limiting structure 5111 can cooperate with different first limiting structures 21, thereby using the support structure 2 to drive the detection reference member 511 to move, allowing the detection reference member 511 to rotate relative to the support structure 2. This enables the first detector 512 to determine the movement stroke and / or movement speed of the support structure 2 by detecting the rotation angle and / or rotation speed of the first limiting structure 21.

[0127] The outer peripheral surface of part of the detection reference 511 can face the support structure 2, and the second limiting structure 5111 can be set on the outer peripheral surface of the detection reference 511. This ensures that the second limiting structure 5111 can cooperate with the first limiting structure 21 and that the detection reference 511 can rotate under the drive of the support structure 2.

[0128] like Figure 7 and Figure 8 As shown, the first limiting structure 21 can be located at the middle position of the support structure 2 in the first direction X, but it is not limited thereto. The first limiting structure 21 can also be located at the edge position of the support structure 2 in the first direction X. The first direction X can intersect with the end face of the detection reference member 511. For example, the first direction X can be perpendicular to the end face of the detection reference member 511.

[0129] like Figures 9 to 12 As shown, the support structure 2 can be provided with multiple rows of first limiting structures 21, which can be spaced apart along the first direction X. The detection reference 511 can be provided with multiple rows of second limiting structures 5111, which can be spaced apart along the first direction X. The multiple rows of first limiting structures 21 and multiple rows of second limiting structures 5111 can correspond one-to-one, and each row of first limiting structures 21 can be limited and engaged with its corresponding second limiting structure 5111. This arrangement increases the number of positions where the support structure 2 and the detection reference 511 can engage.

[0130] like Figure 9 As shown, the multiple rows of first limiting structures 21 can all be located at the middle position of the support structure 2 in the first direction X. Or, as... Figure 11 and Figure 12 As shown, in the multiple rows of first limiting structures 21, at least one row of first limiting structures 21 is located at the middle position of the support structure 2 in the first direction X, and at least one row of first limiting structures 21 can be located at the edge of the support structure 2 in the first direction X. Or, as Figure 10 As shown, the support structure 2 can be provided with two rows of first limiting structures 21, and the two rows of first limiting structures 21 can be located at the two edges of the support structure 2 in the first direction X. This arrangement can increase the variety of support structures 2, allowing the support structure 2 to be matched with different detection reference parts 511 for limiting.

[0131] like Figures 6 to 12 As shown, one of the first limiting structure 21 and the second limiting structure 5111 may include a limiting hole, and the other may include a limiting block. The limiting block extends into the limiting hole so that the limiting block can be matched with the limiting hole for limiting. For example, the first limiting structure 21 may include a limiting hole, and the second limiting structure 5111 may include a limiting block. The limiting hole can be formed on the support structure 2 by means of etching or laser cutting. It should be noted that when the first limiting structure 21 is located at the edge of the support structure 2 in the first direction X, the limiting hole can be a half hole, that is, the limiting hole can have an opening so that the limiting hole forms a limiting groove.

[0132] However, this is not the only possibility. The first limiting structure 21 and the second limiting structure 5111 may not be limiting holes and limiting blocks. For example, the first limiting structure 21 and the second limiting structure 5111 may both be limiting bosses, and the two limiting bosses may also be used for limiting engagement, etc.

[0133] In some embodiments, such as Figure 6 and Figure 13As shown, the end face of the detection reference member 511 may be provided with a first detection through hole 5112. The first detector 512 may include a first transmitting element 5121, a first receiving element 5122, and a first processing element. The first transmitting element 5121 can be used to transmit a detection signal. The first receiving element 5121 and the first transmitting element 5121 can be respectively disposed on the two end face sides of the detection reference member 511. The first receiving element 5122 can be used to receive the detection signal passing through the first detection through hole 5112. The first processing element can be connected to the first receiving element 5122 to determine the rotation angle and / or rotation speed of the detection reference member 511 based on the detection signal received by the first receiving element 5122. That is, it can be understood that since the position of the first detection through hole 5112 on the detection reference member 511 is fixed, when the detection reference member 511 rotates, the first detection through hole 5112 also rotates. When the detection signal emitted by the first transmitting element 5121 passes through the first detection through-hole 5112, the first receiving element 5122 can receive the detection signal emitted by the first transmitting element 5121. Therefore, by detecting the interval between two adjacent detection signals received by the first receiving element 5122, the rotation angle and / or rotation speed of the detection reference 511 can be obtained.

[0134] The first detector 512 can be an optical encoder, that is, the first transmitting element 5121 can be a light source, the first receiving element 5122 can be a light sensor, and the detection reference 511 can be located between the light source and the light sensor, and the end face of the detection reference 511 can be opposite to the light source and the light sensor. However, it is not limited to this, the first detector 512 may not be an optical encoder, and it may be other devices that can detect speed and / or angle by transmitting signals.

[0135] In this embodiment, as Figure 3 and Figure 14 As shown, the display assembly may further include a second limiting member 8. The second limiting member 8 may be disposed on the side of the display panel 1 away from the support structure 2, and the second limiting member 8 may at least contact the display panel 1 to limit the movement of the display panel 1. This configuration can improve the flatness and movement stability of the display panel 1 through the second limiting member 8. The second limiting member 8 may be a limiting scroll, but is not limited to this.

[0136] In other embodiments, such as Figure 14 and Figure 15 As shown, the detection component 51 may include a second detector 513. The second detector 513 may be configured to directly detect the movement stroke and / or movement speed of the support structure 2.

[0137] like Figures 6 to 12As shown, the support structure 2 can be provided with multiple second detection through holes 22, and the multiple second detection through holes 22 can be arranged along the movement direction of the support structure 2. When the first limiting structure 21 includes a limiting hole, the second detection through hole 22 can be that limiting hole.

[0138] like Figure 15 As shown, the second detector 513 may include a second transmitting element 5131, a second receiving element 5132, and a second processing element. The second transmitting element 5131 can transmit a detection signal. One of the second receiving element 5132 and the second transmitting element 5131 can be disposed on the side of the support structure 2 closer to the display panel 1, and the other can be disposed on the side of the support structure 2 away from the display panel 1. The second receiving element 5132 can receive the detection signal passing through the second detection through-hole 22. The second processing element can be connected to the second receiving element 5132 to determine the rotation angle and / or rotation speed of the detection reference member 511 based on the detection signal received by the second receiving element 5132. That is, it can be understood that since the position of the second detection through-hole 22 on the support structure 2 is fixed, when the support structure 2 moves, the second detection through-hole 22 also moves with the support structure 2. When the detection signal emitted by the second transmitting element 5131 passes through the second detection through-hole 22, the second receiving element 5132 can receive the detection signal emitted by the second transmitting element 5131. Therefore, the movement stroke and / or speed of the support structure 2 can be directly detected by detecting the interval between two adjacent detection signals through the second receiving element 5132.

[0139] The second detector 513 can be an optical encoder, that is, the second transmitting element 5131 can be a light source, the second receiving element 5132 can be a light sensor, and the support structure 2 can be located between the light source and the light sensor. However, it is not limited to this, the second detector 513 may not be an optical encoder, and it may be other devices that can detect speed and / or angle by transmitting signals.

[0140] In this embodiment, as Figure 14 As shown, the display component may further include a first limiting member 6, disposed on the side of the support structure 2 away from the display panel 1, and in at least contact with the support structure 2, to limit the movement of the support structure 2. This arrangement improves the flatness and stability of the support structure 2's movement through the first limiting member 6. The first limiting member 6 may be a limiting scroll, but is not limited to this.

[0141] In this embodiment, the display assembly may further include a second limiting member 8. The second limiting member 8 may be disposed on the side of the display panel 1 away from the support structure 2, and the second limiting member 8 may at least contact the display panel 1 to limit the movement of the display panel 1. This configuration can improve the flatness and movement stability of the display panel 1 through the second limiting member 8. The second limiting member 8 may be a limiting scroll, but is not limited to this.

[0142] In some embodiments, the control components described above may include a first processor, such as a CPU or a microcontroller. The first processor may receive the movement stroke and / or speed of the display panel 1 and / or support structure 2 detected by the detection component 51, and the first processor may control and adjust the driving speed and / or driving stroke of the first driving component 3 and / or the second driving component 4 according to the movement stroke and / or speed of the display panel 1 and / or support structure 2, so that the driving speed and / or driving stroke of the first driving component 3 and / or the second driving component 4 are the same, thereby enabling the display panel 1 and the support structure 2 to move synchronously.

[0143] In some embodiments, the control component can be reused as the first processing element and the second processing element described above, that is, the first processing element and the second processing element can also be the first processor. However, it is not limited to this, the first processing element and the second processing element can also be other processors, such as the first processing element and the second processing element can also be the second processor, the third processor, etc., all of which are within the protection scope of this disclosure.

[0144] In some embodiments, such as Figure 21 As shown, the display assembly may also include a photoelectric sensor 9 and a photoelectric sensor blocking element 10. The photoelectric sensor 9 is connected to the control module 53 and is used for resetting and status detection of the display panel 1. When the photoelectric sensor blocking element 10 blocks the light path in the photoelectric sensor 9, it indicates that the display panel 1 is in the retracted position.

[0145] Other embodiments of this disclosure will readily occur to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of this disclosure that follow the general principles of this disclosure and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of this disclosure are indicated by the appended claims.

Claims

1. A display component, characterized in that, include: Display panel; A support structure, connected to the display panel, is used to support the display panel; A first driving component is connected to the display panel to drive the display panel to move in one direction; The second driving component is connected to the support structure to drive the support structure to move in the same direction as the display panel; A synchronization component is connected to at least one of the first driving component and the second driving component, and the synchronization component is configured to adjust the driving frequency of at least one of the first driving component and the second driving component so that the display panel and the support structure move synchronously.

2. The display component according to claim 1, characterized in that, The first driving component includes: The first storage section is connected to the display panel; A first driving unit, connected to the first storage unit, is configured to: drive the first storage unit to rotate in one direction to unfold the display panel; or drive the first storage unit to rotate in another direction to roll the display panel into the first storage unit. The second driving component includes: The second storage section is connected to the supporting structure; The second drive unit, connected to the second storage unit, is configured to: drive the second storage unit to rotate in one direction to unfold the support structure; or drive the second storage unit to rotate in another direction to roll the support structure into the second storage unit.

3. The display component according to claim 2, characterized in that, The synchronization component includes: The detection module is configured to detect a first rotation angle of the first drive unit driving the first storage unit and / or a second rotation angle of the second drive unit driving the second storage unit. A control module is connected to at least one of the first drive component and the second drive component, and the control module is used to adjust the drive frequency of at least one of the first drive component and the second drive component based on the first rotation angle and / or the second rotation angle.

4. The display component according to claim 3, characterized in that, The control module is specifically configured as follows: Based on the first rotation angle, the movement stroke of the display panel is determined; The stroke of the support structure is determined based on the second rotation angle; When the absolute value of the difference between the movement stroke of the support structure and the movement stroke of the display panel is greater than a preset threshold, the driving frequency of at least one of the first driving unit and the second driving unit is adjusted until the absolute value of the difference between the movement stroke of the support structure and the movement stroke of the display panel is less than the preset threshold.

5. The display component according to claim 4, characterized in that, The control module is specifically configured as follows: Based on the first rotation angle, the first relative rotation angle of the first drive unit driving the first storage unit is obtained; the first relative rotation angle is the total angle that the first drive unit has rotated relative to the starting position during the unfolding or rewinding of the display panel. The movement stroke of the display panel is obtained based on the first relative rotation angle, the number of times the display panel is in the first storage part, the rotation angle corresponding to each turn of the display panel around the first storage part, and the radius corresponding to each turn.

6. The display component according to claim 5, characterized in that, When the display panel is completely rolled up on the first storage part, the number of turns of the display panel on the first storage part up to the Nth turn, the rotation angle corresponding to the first turn is determined according to the radius corresponding to the first turn and the length of the part of the display panel used to connect with the first storage part, and the rotation angle corresponding to each turn from the second turn to the N-1th turn is 360 degrees; N is a positive integer greater than or equal to 1.

7. The display component according to claim 4, characterized in that, The control module is specifically configured as follows: Based on the second rotation angle, the second relative rotation angle of the second drive unit driving the second storage unit is obtained; the second relative rotation angle is the total angle that the second drive unit has rotated relative to the starting position during the unfolding or rewinding of the support structure. The motion stroke of the support structure is obtained based on the second relative rotation angle and the preset radius.

8. The display component according to claim 7, characterized in that, The control module is specifically configured as follows: When the support structure is unfolded, the unfolding stroke of the support structure is obtained according to the third relative rotation angle of the second drive unit and the first preset radius; the third relative rotation angle is the total angle that the second drive unit has rotated relative to the starting position during the unfolding process of the support structure. When the support structure is wound up, the winding stroke of the support structure is obtained according to the fourth relative rotation angle and the second preset radius of the second drive unit. The fourth relative rotation angle is the total angle by which the second drive unit has rotated relative to the starting position during the winding process of the support structure.

9. The display component according to claim 8, characterized in that, The first preset radius is greater than the second preset radius.

10. The display component according to claim 4, characterized in that, The preset threshold is determined based on the minimum force required to stabilize the shape of the display panel, the maximum tension force that the display panel can withstand, and the maximum compressive force that the support structure can maintain its shape.

11. The display component according to claim 4, characterized in that, The display component further includes: A coiling spring, connected between the first driving part and the first storage part, is configured to apply a spring force to the first storage part to keep the display panel in a stretched or retracted state. The preset threshold is determined based on the minimum force applied to stabilize the shape of the display panel, the maximum tension force that the display panel can withstand, the correspondence between the number of driving pulses of the coiling spring and the first driving part, and the maximum compressive force of the support structure to maintain shape stability.

12. The display component according to claim 3, characterized in that, The control module is specifically configured as follows: The driving frequency of the first driving unit is adjusted according to the first motion state parameter and the first mapping relationship of the display panel; the first mapping relationship is used to characterize the relationship between the first motion state parameter and the driving frequency of the first driving unit. And / or, The driving frequency of the second driving unit is adjusted according to the second motion state parameters and the second mapping relationship of the support structure. The second mapping relationship is used to characterize the relationship between the second motion state parameter and the driving frequency of the second driving unit.

13. The display component according to claim 12, characterized in that, The first motion state parameter includes the number of revolutions the display panel is currently on the first storage part or the current relative rotation angle of the display panel; The second motion state parameter includes the number of revolutions the support structure is currently on the second storage section or the current relative rotation angle of the support structure.

14. The display component according to claim 2, characterized in that, The display component further includes: A coiling spring is connected between the first driving part and the first storage part; it is configured to apply a spring force to the first storage part to keep the display panel in a stretched or retracted state.

15. The display component according to claim 14, characterized in that, The first driving unit is specifically configured as follows: The first storage portion is driven to rotate in one direction by the coiling spring, so that the display panel is stretched and unfolded; or, the first storage portion is driven to rotate in another direction by the coiling spring, so that the display panel is rolled up to the outer peripheral surface of the first storage portion.

16. The display component according to claim 1, characterized in that, The synchronization component includes: A detection component, configured to detect the movement stroke and / or speed of the display panel and / or the support structure; A control component, connected to the first drive component and / or the second drive component, wherein the control component is capable of adjusting the drive frequency of the first drive component and / or the second drive component.

17. The display component according to claim 16, characterized in that, The detection component includes: A detection reference element, wherein the detection reference element is in at least contact with the support structure, and the detection reference element is rotatable relative to the support structure; A first detector is configured to detect the rotation angle and / or rotation speed of the detection reference to obtain the movement stroke and / or movement speed of the support structure.

18. The display component according to claim 17, characterized in that, The support structure is provided with a plurality of first limiting structures, and the plurality of first limiting structures are arranged along the movement direction of the support structure; The detection reference component is provided with a second limiting structure, which can limit and cooperate with the first limiting structure.

19. The display component according to claim 18, characterized in that, The outer peripheral surface of a portion of the detection reference component faces the support structure, and the second limiting structure is disposed on the outer peripheral surface of the detection reference component.

20. The display component according to claim 19, characterized in that, The support structure is provided with multiple rows of the first limiting structure, and the multiple rows of the first limiting structure are spaced apart along the first direction; The detection reference component is provided with multiple rows of second limiting structures, and the multiple rows of second limiting structures are spaced apart along the first direction; Among them, the multiple rows of first limiting structures and the multiple rows of second limiting structures correspond one-to-one, and each row of first limiting structures can be limited and matched with its corresponding second limiting structure; the first direction intersects with the end face of the detection reference piece.

21. The display component according to any one of claims 18 to 20, characterized in that, One of the first limiting structure and the second limiting structure includes a limiting hole, and the other includes a limiting block, wherein the limiting block can be limited and engaged with the limiting hole.

22. The display component according to any one of claims 17 to 20, characterized in that, The end face of the detection reference component is provided with a first detection through hole, and the first detector includes: The first transmitting element is used to transmit a detection signal; A first receiving element and a first transmitting element are respectively disposed on two end faces of the detection reference piece. The first receiving element is used to receive detection signals passing through the first detection through hole. A first processing element, connected to the first receiving element, is used to determine the rotation angle and / or rotation speed of the detection reference element based on the detection signal received by the first receiving element.

23. The display component according to claim 16, characterized in that, The detection component includes: A second detector is configured to directly detect the movement stroke and / or speed of the support structure.

24. The display component according to claim 23, characterized in that, The support structure is provided with a plurality of second detection through holes, and the plurality of second detection through holes are arranged along the movement direction of the support structure; The second detector includes: The second transmitting element is used to transmit detection signals; The second receiving element, one of which is disposed on the side of the support structure close to the display panel and the other is disposed on the side of the support structure away from the display panel, is used to receive the detection signal passing through the second detection through hole; The second processing element, connected to the receiving element, is used to determine the movement stroke and / or movement speed of the support structure based on the detection signal received by the receiving element.

25. The display component according to claim 24, characterized in that, The display component further includes: A first limiting member is disposed on the side of the support structure away from the display panel and is in contact with the support structure at least to limit the movement of the support structure.

26. The display component according to any one of claims 16 to 20 and 23 to 25, characterized in that, The display component further includes: A fastener is used to connect the display panel and the support structure.

27. The display component according to claim 26, characterized in that, The fastener is used to connect the end of the display panel away from the first driving component and the end of the support structure away from the second driving component.

28. The display component according to any one of claims 16 to 20 and 23 to 25, characterized in that, The display component further includes: The second limiting member is disposed on the side of the display panel away from the supporting structure and is in contact with the display panel at least to limit the movement of the display panel.

29. The display component according to any one of claims 16 to 20 and 23 to 25, characterized in that, The detection components include optical encoders and / or magnetic encoders.

30. A display device, characterized in that, The display device includes the display component as described in any one of claims 1 to 29.

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