Handwriting pen and display system

Abstract

The utility model discloses a handwriting pen and a display system, and belongs to the field of electronic equipment. The handwriting pen comprises a pen point, a pen tube, a circuit board and a pressure detection piece. The pen point is connected with one end of the pen tube, and at least part of the pen point is located outside the pen tube. The circuit board is located in the pen tube. And the pressure detection piece is fixed on the outer side wall of the pen tube. Wherein the circuit board is connected with the pressure detection piece, and the pressure detection piece is used for generating an electric signal when being pressed and sending the electric signal to the circuit board. The pressure detection piece is arranged on the outer side wall of the pen tube, the electric signal is generated when the pressure detection piece is pressed, the electric signal is sent to the circuit board, the electric signal can be sent to the display device through the circuit board, and therefore the whiteboard interface or the annotation function of the display device is started. Therefore, when a user uses the handwriting pen, a whiteboard interface or an annotation function in the display equipment can be started only by applying force to the pressure detection piece on the pen tube, and the influence of the placement position of the handwriting pen is avoided.

Description

Technical Field

[0001] This application relates to the field of electronic devices, and in particular to a stylus and display system. Background Technology

[0002] A stylus is a digital writing tool that uses built-in sensors and wireless transmission technology to capture handwritten content in real time and convert it into digital signals.

[0003] Currently, styluses are used in conjunction with display devices in display systems, such as all-in-one conference machines. When not in use, the stylus is placed in a storage area next to the all-in-one machine. The stylus contains a Hall sensor, and when it is removed from the storage area, the Hall effect detects the removal of the stylus and activates the whiteboard interface or annotation function.

[0004] However, the way this type of stylus can activate the whiteboard interface or annotation function is limited by the placement of the stylus. For example, if the stylus is left on the desktop after use and not in the storage area of ​​the conference all-in-one machine, the whiteboard interface or annotation function of the conference all-in-one machine cannot be activated the next time the stylus is picked up from the desktop. Utility Model Content

[0005] This application provides a stylus and display system. It solves the problem in the prior art where the location restricts the activation of the whiteboard interface or annotation function by the stylus. The technical solution is as follows:

[0006] In one aspect, a stylus is provided, comprising: a pen tip, a pen tube, a circuit board, and a pressure sensing component;

[0007] The pen tip is connected to one end of the pen tube, and at least a portion of the pen tip is located outside the pen tube;

[0008] The circuit board is located inside the pen tube;

[0009] The pressure detection element is fixed to the outer wall of the pen tube;

[0010] The pen tube has an outer wall divided into a gripping area, which is located near the pen tip. The gripping area includes at least two sub-grip sections spaced apart in the circumferential direction of the pen tube. A pressure detection element is located within at least one of the sub-grip sections. The circuit board is connected to the pressure detection element. The pressure detection element generates an electrical signal when pressed and sends it to the circuit board.

[0011] Optionally, the pressure detection element includes at least two sub-pressure detection sections corresponding to the at least two sub-grip zones;

[0012] The sub-pressure detection unit is located within the corresponding sub-grip partition.

[0013] Optionally, the sub-grip section has a curved groove, and at least a portion of the sub-pressure detection unit is located within the curved groove.

[0014] Optionally, the pressure detection element further includes a connecting portion for connecting the at least two sub-pressure detection portions, the connecting portion being distributed between at least two adjacent sub-grip sections.

[0015] Optionally, the pressure detection element is a flexible thin-film pressure sensor.

[0016] Optionally, the stylus further includes a sheath that is fitted over the flexible thin-film pressure sensor on the outside of the pen tube.

[0017] Optionally, the stylus further includes: a support and an adsorption part; both the support and the adsorption part are located inside the pen tube, and both the circuit board and the adsorption part are fixed on the support;

[0018] The stylus can be attached to the display device via the adsorption part.

[0019] Optionally, the pen tube includes: a first wall panel, a second wall panel, and a third wall panel that are connected in sequence in a circumferential direction;

[0020] The bracket includes: a first side plate and a second side plate, one side of the first side plate and one side of the second side plate are connected, and the other side of the first side plate and the other side of the second side plate are used to support the circuit board;

[0021] The first side plate is located near the first wall panel, the second side plate is located near the second wall panel, and the circuit board is located near the third wall panel; the adsorption part is fixed on the first side plate and / or the second side plate.

[0022] Optionally, the stylus further includes: a pen support component and a pen tail component assembled at both ends of the pen tube, wherein the pen tip is fixed on the pen support component;

[0023] When the adsorption part is fixed on the first side plate, the outer side wall of the pen holder component and the outer side wall of the pen tail component both protrude from the first side plate in a direction perpendicular to the first side plate; when the adsorption part is fixed on the second side plate, the outer side wall of the pen holder component and the outer side wall of the pen tail component both protrude from the second side plate in a direction perpendicular to the second side plate.

[0024] Optionally, the pen holder component has a first mounting opening at the end facing the pen tube, and the pen tail component has a second mounting opening at the end facing the pen tube.

[0025] Wherein, one end of the circuit board along the axial direction of the stylus is located in the first mounting opening, and the other end is located in the second mounting opening.

[0026] Optionally, two suction portions distributed along the axial direction of the stylus are fixed on both the first side plate and the second side plate;

[0027] The stylus further includes a battery located between the first side plate and the second side plate, and distributed along the axial direction of the stylus between two of the adsorption portions on the first side plate and / or the second side plate.

[0028] Optionally, the stylus further includes: a button fixed to the side of the circuit board away from the bracket; the third wall panel has a mounting hole through which the button is exposed.

[0029] Optionally, the adsorption part is a permanent magnet or an electromagnet.

[0030] Secondly, a display system is provided, comprising: a display device and a stylus, wherein the stylus is a stylus as described above.

[0031] The beneficial effects of the technical solutions provided in this application include at least the following:

[0032] By incorporating a pressure sensor within at least one sub-grip section on the outer wall of the pen tube, and connecting the pressure sensor to a circuit board, the pressure sensor generates an electrical signal when pressed and sends this signal to the circuit board. The circuit board then transmits the signal to a display device to activate the whiteboard interface or annotation function. In this way, when using the stylus, the user can apply pressure to the pressure sensor on the pen tube by gripping the sub-grip section, thereby activating the whiteboard interface or annotation function on the display device, regardless of the stylus's placement. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0034] Figure 1 This is a schematic diagram of an exploded structure of a stylus provided in an embodiment of this application;

[0035] Figure 2 This is a schematic diagram of an exploded structure of a stylus provided in an embodiment of this application;

[0036] Figure 3 This is a schematic diagram of the cross-sectional structure of a stylus provided in an embodiment of this application;

[0037] Figure 4 yes Figure 3 Enlarged structural diagram at point A in the middle;

[0038] Figure 5 A schematic diagram of a pen tube assembly provided in an embodiment of this application;

[0039] Figure 6 This is a schematic diagram of a pen tube structure provided in an embodiment of this application;

[0040] Figure 7 This is a schematic diagram of another pen tube structure provided in an embodiment of this application;

[0041] Figure 8 This is a schematic diagram of a pressure detection element structure provided in an embodiment of this application;

[0042] Figure 9 This is a schematic diagram of a pen tube structure in the grip area provided in an embodiment of this application;

[0043] Figure 10 This is a schematic diagram of a bracket assembly structure provided in an embodiment of this application;

[0044] Figure 11 This is a schematic diagram of another bracket assembly structure provided in an embodiment of this application;

[0045] Figure 12 This is a schematic diagram of a stylus usage process provided in an embodiment of this application. Detailed Implementation

[0046] To make the objectives, technical solutions, and advantages of this application clearer, the embodiments of this application will be described in further detail below with reference to the accompanying drawings.

[0047] Figure 1 and Figure 2 These are all schematic diagrams of an exploded structure of a stylus provided in the embodiments of this application. Figure 3 This is a schematic diagram of the cross-sectional structure of a stylus provided in an embodiment of this application. Figure 4 yes Figure 3 Enlarged structural diagram at point A in the middle.

[0048] Please see Figures 1-4 In one aspect, embodiments of this application provide a stylus, including: a pen tip 10, a pen tube 20, a circuit board 30, and a pressure detection element 40.

[0049] The pen tip 10 is connected to one end of the pen tube 20, and at least a portion of the pen tip 10 is located outside the pen tube 20.

[0050] The circuit board 30 is located inside the pen tube 20.

[0051] The pressure detection element 40 is fixed on the outer wall of the pen tube 20.

[0052] The pen tube 20 has an outer wall divided into a grip area L1, located near the pen tip 10. The grip area L1 includes at least two sub-grip sections L11 spaced apart circumferentially from the pen tube 20. A pressure sensor 40 is located within at least one sub-grip section L11. A circuit board 30 and the pressure sensor 40 are connected, for example, the circuit board 30 is electrically connected to the pressure sensor 40 via leads. The pressure sensor 40 generates an electrical signal when pressed and sends it to the circuit board 30.

[0053] Understandably, the grip area L1 corresponds to the area at the front of the stylus where the pen can be gripped, and the size of this area can be adjusted according to actual needs.

[0054] The stylus provided in this embodiment includes: a pen tip 10, a pen tube 20, a circuit board 30, and a pressure detection element 40. The pressure detection element 40 is disposed in at least one sub-grip section on the outer wall of the pen tube 20. The pressure detection element 40 is connected to the circuit board 30. When pressed, the pressure detection element 40 generates an electrical signal and sends it to the circuit board 30. The circuit board 30 then sends the electrical signal to a display device to activate the whiteboard interface or annotation function of the display device. Thus, when using the stylus, the user can apply force to the pressure detection element 40 on the pen tube 20 by holding the sub-grip section, thereby activating the whiteboard interface or annotation function on the display device, without being affected by the placement position of the stylus. This makes the use of the stylus more convenient and the interaction between the stylus and the display device more intelligent.

[0055] It is understood that the display device mentioned is a device used in conjunction with a stylus; therefore, the display device refers to a device that includes a screen. Specifically, the screen is, for example, a touch screen.

[0056] The pressure signal detected by the pressure detection element 40 is ultimately used to activate some functions on the display device. Besides the aforementioned whiteboard interface or annotation function, it can also activate the drawing board function. However, it should be noted that the specific function activated on the display device by the stylus provided in this embodiment is set according to actual needs. For example, the stylus can be set to activate the whiteboard interface, making it convenient to activate the whiteboard interface on the display device when using the stylus. As another example, the stylus can be set to activate the annotation function, making it convenient to activate the annotation function on the display device when using the stylus.

[0057] It should be noted that when using the stylus provided in this embodiment, the circuit board 30 is also connected to the display device. For example, the circuit board 30 is wirelessly connected to the display device via Bluetooth, WiFi, or other methods.

[0058] For example, to ensure the stability of data transmission, the circuit board 30 in the stylus is connected to the display device via Bluetooth.

[0059] In some feasible implementations, the circuit board 30 also integrates a Bluetooth module and a pressure signal acquisition and processing chip. The pressure signal acquisition and processing chip is used to process the electrical signals sent to the circuit board 30 by the pressure detection element 40, and transmit the processed electrical signals to the motherboard of the display device through the Bluetooth module. The motherboard of the display device starts the whiteboard interface or annotation function of the display device according to the electrical signals transmitted by the Bluetooth module in the stylus.

[0060] The pressure signal acquisition and processing chip processes electrical signals, such as modulation and filtering, so that the processed electrical signals can be used to activate the whiteboard interface or annotation function in the display device.

[0061] By distributing the pressure detection element 40 within the grip area L1 of the pen tube 20 near the pen tip 10, it conforms to user habits. This allows users to simultaneously apply pressure to the pressure detection element 40 while writing or drawing with the stylus, facilitating the activation of the whiteboard interface or annotation function without requiring additional gripping or pressing operations, thus simplifying the stylus usage process and improving the user experience. Furthermore, placing the pressure detection element 40 within the grip area L1 near the pen tip 10, rather than along the entire outer wall of the pen tube 20, effectively reduces the area of ​​the pressure detection element 40, saving costs.

[0062] Figure 8 This is a schematic diagram of a pressure detection element 40 provided in an embodiment of this application. Figure 9 This is a schematic diagram of the pen tube 20 structure at the grip area L1 provided in an embodiment of this application.

[0063] Please see Figures 8-9 In some feasible implementations, the pressure detection element 40 includes at least two sub-pressure detection units 41 corresponding to at least two sub-grip partitions L2.

[0064] The sub-pressure detection unit 41 is located within the corresponding sub-grip partition L2.

[0065] By further dividing the grip area L1 on the outer wall of the pen tube 20 into at least two circumferentially spaced sub-grip sections L2, and setting sub-pressure detection units 41 corresponding one-to-one with the sub-grip sections L2, when the stylus is held, at least two sub-pressure detection units 41 need to be pressed to generate electrical signals. Both electrical signals are sent to the circuit board 30, which processes the two electrical signals before sending them to the display device to activate the whiteboard interface or annotation function of the display device. This effectively prevents accidental activation of the whiteboard or annotation function by randomly pressing the pressure detection unit 40.

[0066] The layout of the two sub-grip sections L2 corresponds to the position of the contact points between the user's two fingers and the pen barrel 20 when holding the pen correctly. This reminds the user to hold the pen correctly when using the stylus to activate the whiteboard interface or annotation function, thus helping to cultivate good writing or drawing habits. Otherwise, if the user holds the pen incorrectly or improperly, they cannot effectively press the two sub-pressure detection sections 41 simultaneously, resulting in the inability to obtain two electrical signals and thus preventing the display device from starting.

[0067] For example, the grip area L1 includes three sub-grip sections L2 spaced circumferentially on the outer wall of the pen tube 20. The pressure detection element 40 includes three sub-pressure detection units 41 corresponding to the three sub-grip sections L2.

[0068] The distribution of the three sub-grip zones L2 on the pen tube 20 corresponds to the three positions where the user's three fingers contact the outer wall of the pen tube 20 when holding it in the correct grip. Correspondingly, the circuit board 30 needs to send three electrical signals to the display device to activate the whiteboard interface or annotation function.

[0069] When the user holds the pen tube 20 in the correct posture, all three pressure sensors 40 are pressed, generating three electrical signals. The circuit board 30 processes the three electrical signals and sends them to the display device. The display device can then activate the whiteboard interface or annotation function based on the three electrical signals.

[0070] By employing three pressure sensors 40 on the pen tube 20 that correspond to the position of the three fingers when the user holds the pen in the correct posture, the design of activating the whiteboard interface or annotation function on the display device can effectively remind the user to hold the pen in the correct posture; otherwise, the corresponding function of the display device cannot be activated.

[0071] Please see Figure 9 In some feasible embodiments, the sub-grip partition L2 has a curved groove, and at least a portion of the sub-pressure detection unit 41 is located within the curved groove. The sub-pressure detection unit 41 within the curved groove is used to be pressed to generate an electrical signal, and sends the electrical signal to the circuit board 30.

[0072] By providing curved grooves in the sub-grip section L2, at least a portion of the sub-pressure detection unit 41 is located within the curved grooves, which helps remind the user of the correct pen-holding posture. Thus, when using the stylus, the user can effectively press the three sub-pressure detection units 41 simply by aligning three fingers with the three curved grooves, thereby facilitating quick activation of the whiteboard interface or annotation function on the display device.

[0073] Normally, when using a stylus, users hold the pen tube 20 in a pen-grip position for easy writing or drawing. In this position, the whiteboard interface or annotation function of the display device is effectively activated. However, if the user holds the pen tube 20 in a fist-grip position (L1), they may press the three sub-pressure detection units 41, resulting in an invalid activation of the whiteboard interface or annotation function. This is possible if a young child holds the pen tube 20 in a fist-grip position (L1).

[0074] To better address the issue of accidental activation of the whiteboard interface or annotation function, in one feasible implementation, the sub-pressure detection unit 41 is located within a curved groove. Users can only press the sub-pressure detection unit 41 by placing their finger in the curved groove, thereby activating the whiteboard interface or annotation function on the display device via a stylus. This effectively prevents accidental activation.

[0075] In other feasible implementations, the curved groove may not be provided, but corresponding prompt information may be provided on the pen tube 20 at the positions corresponding to the three sub-grip sections L2 or sub-pressure detection units 41, so that users can quickly align the three fingers with the three sub-pressure detection units 41 and quickly and effectively start the whiteboard interface or annotation function of the display device.

[0076] In some feasible embodiments, the pressure detection element 40 further includes a connecting portion 42 for connecting at least two sub-pressure detection units 41, the connecting portion 42 being distributed between at least two adjacent sub-grip partitions L2.

[0077] At least two sub-pressure sensing units 41 are connected by the connecting part 42, so that the at least two sub-pressure sensing units 41 can be indirectly connected into a whole, thereby facilitating the installation of the pressure sensing element 40.

[0078] Please see Figure 8For example, there are three sub-pressure detection units 41 and three connecting parts 42. The three sub-pressure detection units 41 and the three connecting parts 42 are staggered around the axis of the pen tube 20. The connecting parts 42 are connected to the adjacent sub-pressure detection units 41 on both sides along the circumference of the pen tube 20. In this way, the three sub-pressure detection units 41 and the three connecting parts 42 form an annular pressure detection element 40, which facilitates the installation of the pressure detection element 40.

[0079] For example, there are three sub-pressure detection units 41, which are distributed at intervals around the axis of the pen tube 20. The connecting part 42 is a ring structure, and the three sub-pressure detection units 41 are fixed to the inner or outer wall of the connecting part 42.

[0080] Specifically, the connecting part 42 is, for example, a flexible printed circuit (FPC), and the connecting part 42 and the sub-pressure sensing part 41 are connected by a ribbon cable.

[0081] In other feasible embodiments, the connecting part 42 may be omitted, and the three sub-pressure detection parts 41 may be independent components, with each of the three sub-pressure detection parts 41 connected to the leads of the circuit board 30.

[0082] In some feasible implementations, the pressure sensing element 40 is a flexible thin-film pressure sensor.

[0083] Flexible thin-film pressure sensors can accurately identify pressure and respond quickly. Furthermore, their low space occupancy makes them beneficial for miniaturizing or reducing the size of styluses.

[0084] Specifically, the flexible thin-film pressure sensor comprises a sensitive diaphragm, a conductive layer, and a flexible substrate stacked sequentially. The sensitive diaphragm is located on the side away from the pen tube 20, and the flexible substrate is located on the side facing the pen tube 20.

[0085] When external pressure is applied to the sensitive diaphragm, the diaphragm will deform, thereby causing changes in the electrical parameters in the conductive layer. The flexible substrate can be easily attached to various curved and irregular surfaces.

[0086] Figure 5 This is a schematic diagram of a pen tube assembly provided for an embodiment of this application. Please refer to... Figures 4-5 In some feasible embodiments, the stylus also includes a sheath 50, which is sleeved on the outside of the flexible thin-film pressure sensor opposite to the pen tube 20. The pen tube 20, the pressure sensing element 40 sleeved on the outside of the pen tube 20, and the sheath 50 form a pen tube assembly.

[0087] The sheath 50 facilitates the protection of the flexible thin-film pressure sensor and ensures the connection between the flexible thin-film pressure sensor and the circuit board 30.

[0088] For example, the sheath 50 is a structure made of an elastic material, such as a silicone ring or a rubber ring. When the sheath 50 is made of an elastic material, it can both transmit pressure to the flexible thin-film pressure sensor and provide shock absorption, for example, when a stylus is dropped.

[0089] In some feasible embodiments, the stylus also includes a support 60 and an adsorption part 70. Both the support 60 and the adsorption part 70 are located inside the pen tube 20, and both the circuit board 30 and the adsorption part 70 are fixed on the support 60.

[0090] The stylus can be attached to the display device via the adsorption part 70.

[0091] As a standard component or accessory of display devices, the stylus pen ultimately needs to be stored with the display device for easy access next time. The stylus pen is magnetically attached to the display device via the magnetic attachment 70, facilitating its removal and placement.

[0092] Please see Figure 2 In some feasible embodiments, the pen tube 20 includes a first wall plate 21, a second wall plate 22 and a third wall plate 23 that are connected in sequence in the circumferential direction.

[0093] The bracket 60 includes a first side plate 61 and a second side plate 62, one side of the first side plate 61 and one side of the second side plate 62 are connected, and the other side of the first side plate 61 and the other side of the second side plate 62 are used to support the circuit board 30.

[0094] The first side plate 61 is located near the first wall plate 21, the second side plate 62 is located near the second wall plate 22, and the circuit board 30 is located near the third wall plate 23. An adsorption part 70 is fixed on the first side plate 61 and / or the second side plate 62.

[0095] The first wall panel 21, the second wall panel 22, and the third wall panel 23 form a triangular prism or approximately triangular prism structure. Correspondingly, the first side panel 61, the second side panel 62, and the circuit board 30 form a matching triangular prism or approximately triangular prism structure. In this way, when the bracket 60 containing the circuit board 30 is inserted into the pen tube 20, it needs to be assembled at a specific angle, which facilitates the quick insertion of the bracket 60 into the pen tube 20 and improves the production efficiency of the stylus.

[0096] In other feasible embodiments, the pen tube 20 and the support 60 can also be other compatible structures, such as both the pen tube 20 and the support 60 being quadrangular prism structures.

[0097] Figure 10 This is a schematic diagram of a bracket assembly structure provided in an embodiment of this application. Figure 11 This is a schematic diagram of another bracket assembly structure provided in an embodiment of this application. Please refer to... Figures 10-11 For example, the circuit board 30 has multiple openings 31 on both sides corresponding to the first side plate 61 and the second side plate 62, and multiple snap-fit ​​parts 65 are provided on the side of the first side plate 61 and the second side plate 62 near the circuit board 30. The circuit board 30 is detachably connected to the bracket 60 through the openings 31 and the snap-fit ​​parts 65.

[0098] For example, the circuit board 30 can also be connected to the bracket 60 by means of welding, screwing, etc.

[0099] Typically, the pen tube 20 is made of metal for aesthetic purposes, such as silver aluminum. If the pen tube 20 is placed in a storage area around the display device (such as a storage slot) when not in use, the pen tube 20 will be in direct contact with the corresponding surface of the storage area, which can easily cause wear and even paint chipping during the process of taking the stylus out and putting it back in.

[0100] Therefore, in order to protect the integrity of the outer wall of the pen tube 20 and avoid wear and paint peeling, in some feasible embodiments, the stylus also includes: a pen support component 80 and a pen tail component 90 assembled at both ends of the pen tube 20, and the pen tip 10 is fixed on the pen support component 80.

[0101] When the suction part 70 is fixed on the first side plate 61, the outer walls of the pen holder component 80 and the pen tail component 90 both protrude from the first side plate 21 in a direction perpendicular to the first side plate 61. When the suction part 70 is fixed on the second side plate 62, the outer walls of the pen holder component 80 and the pen tail component 90 both protrude from the second side plate 22 in a direction perpendicular to the second side plate 62.

[0102] It is understandable that when the adsorption part 70 is fixed on both the first side plate 61 and the second side plate 62, the outer wall of the pen holder component 80 and the outer wall of the pen tail component 90 both protrude from the first side plate 21 in the direction perpendicular to the first side plate 61, and the outer wall of the pen holder component 80 and the outer wall of the pen tail component 90 both protrude from the second side plate 22 in the direction perpendicular to the second side plate 62.

[0103] It should be noted that when both the outer walls of the pen holder component 80 and the pen tail component 90 protrude from the first wall plate 21, the degree of protrusion can be the same or different. Similarly, when both the outer walls of the pen holder component 80 and the pen tail component 90 protrude from the second wall plate 22, the degree of protrusion can also be the same or different. Specifically, for example, the outer walls of the pen holder component 80 and the pen tail component 90 may protrude from the first wall plate 21 to the same degree. Or, for example, the outer wall of the pen holder component 80 may protrude from the first wall plate 21 to a lesser degree than the outer wall of the pen tail component 90.

[0104] At the position corresponding to the adsorption part 70, the pen holder component 80 and the pen tail component 90 are protruding from the corresponding wall plate on the pen tube 20, so that when the pen tube 20 is adsorbed and fixed on the display device, the pen tube 20 and the display device are spaced apart, that is, the pen tube 20 and the display device do not contact each other. In this way, the problem of contact wear and even paint peeling of the pen tube 20 can be effectively solved.

[0105] In addition to the metal mentioned above, the pen tube 20 can also be made of other materials, such as plastic. When the pen tube 20 is made of a material other than metal, the designed pen rest component 80 and pen tail component 90 can still effectively protect the outer wall of the pen tube 20 and prevent wear.

[0106] For example, when the suction part 70 is fixed on the first side plate 61, the outer walls of both the pen holder component 80 and the pen tail component 90 protrude 0.2 mm relative to the first side plate 21 in the direction perpendicular to the first side plate 61. When the suction part 70 is fixed on the second side plate 62, the outer walls of both the pen holder component 80 and the pen tail component 90 protrude 0.2 mm relative to the second side plate 22 in the direction perpendicular to the second side plate 62. Furthermore, both the pen holder component 80 and the pen tail component 90 are made of wear-resistant material, such as silicone with a hardness of 85 or higher.

[0107] In other feasible embodiments, the entire outer wall of the pen holder component 80 may protrude relative to the outer wall of the pen tube 20, and the entire outer wall of the pen tail component 90 may also protrude relative to the outer wall of the pen tube 20. In this way, regardless of which side of the pen tube 20 is suspended and protected, it is beneficial to protect the entire outer wall of the pen tube 20.

[0108] Figure 6 This is a schematic diagram of a pen tube 20 structure provided in an embodiment of this application. For example, the length of the gripping area L1 along the axial direction of the pen tube 20 is 40 mm.

[0109] The outer wall of the pen tube 20 at the grip area L1 is radially recessed (e.g., 0.4 mm) relative to the outer walls of the pen tube 20 at other non-grip areas, to facilitate its positioning as the mounting area for the pressure sensor 40. The outer wall of the sleeve 50, which is fitted onto the side of the pressure sensor 40 opposite to the pen tube 20, protrudes radially outward relative to the outer walls of the pen tube 20 at other non-grip areas, and the degree of protrusion is consistent with that of the outer walls of the pen rest component 80 and the pen tail component 90 relative to the outer walls of the pen tube 20. For example, the outer walls of the sleeve 50, the pen rest component 80, and the pen tail component 90 all protrude radially outward relative to the outer walls of the pen tube 20 by 0.2 mm. In this way, when the stylus is placed in the storage area of ​​the display device, the pen holder 80, pen tail component 90, and protective sleeve 50 all contact the corresponding surfaces, providing excellent support and effectively separating the outer wall of the pen tube 20 from the corresponding surface of the storage area, thereby protecting the outer wall of the pen tube 20. Of course, when the stylus is placed in any other position, such as on a table, the protruding design of the pen holder 80, pen tail component 90, and protective sleeve 50 also protects the outer wall of the pen tube 20.

[0110] The circuit board 30, fixed to the bracket 60, protrudes from the bracket 60 at both ends along the axial direction of the pen tube 20, in order to shorten the axial length of the stylus and make the stylus structure more compact. In some feasible embodiments, the pen rest component 80 has a first mounting opening 81 at the end facing the pen tube 20, and the pen tail component 90 has a second mounting opening 91 at the end facing the pen tube 20.

[0111] In this circuit board 30, one end of the circuit board 30 is located in the first mounting opening 81 along the axis of the stylus, and the other end is located in the second mounting opening 91.

[0112] Please see Figure 2 For example, the first mounting opening 81 is an L-shaped mounting opening formed by cutting off a portion of the sidewall of the outer wall of the pen holder component 80 facing the pen tube 20. The end of the circuit board 30 facing the pen holder component 80 rests on the first mounting opening 81. The second mounting opening 91 is a U-shaped opening opened on the outer wall of the pen tail component 90 facing the pen tube 20 and corresponding to the circuit board 30. The end of the circuit board 30 facing the pen tail component 90 is inserted into the second mounting opening 91 along the axial direction of the pen tube 20. Of course, the first mounting opening 81 can also be the U-shaped opening and the second mounting opening 91 can be the L-shaped opening. The shapes of the first mounting opening 81 and the second mounting opening 91 can be the same or different, and this application does not impose specific limitations.

[0113] By having the first mounting opening 81 and the second mounting opening 91 overlap with portions of the circuit board 30, the axial length of the stylus is effectively shortened, resulting in a more compact stylus design. Furthermore, the first mounting opening 81 and the second mounting opening 91 also restrict the mounting position of the circuit board 30, facilitating rapid assembly of the stylus.

[0114] In some feasible embodiments, two adsorption portions 70 distributed along the axial direction of the stylus are fixed on both the first side plate 61 and the second side plate 62.

[0115] The stylus also includes a battery 100, which is located between the first side plate 61 and the second side plate 62, and is distributed between two adsorption portions 70 on the first side plate 61 and / or the second side plate 62 along the axial direction of the stylus.

[0116] By fixing two suction parts 70, distributed along the axial direction of the stylus, on both the first side plate 61 and the second side plate 62, the stylus can be suspended and suctioned at the corresponding position regardless of whether it is attached to the first side plate 21 or the second side plate 22, thus improving the convenience of fixing the stylus. A V-shaped space is formed between the two side plates of the bracket 60. By distributing the battery 100 between the two suction parts 70 on the first side plate 61 and / or the second side plate 62, the space inside the pen tube 20 is fully utilized, resulting in a compact and miniaturized stylus.

[0117] In some feasible embodiments, the adsorption part 70 is a permanent magnet or an electromagnet. The adsorption part 70 uses magnetic attraction to easily attach and fix the stylus in the corresponding position, and also makes it convenient for the user to take the stylus out and put it away.

[0118] Please see Figures 10-11 Two spaced-apart first mounting positions 63 are provided on the side of the first side plate 61 facing the first wall plate 21, and two spaced-apart first mounting positions 63 are also provided on the side of the second side plate 62 facing the second wall plate 22. The two first mounting positions 63 on the first side plate 61 and the two first mounting positions 63 on the second side plate 62 are symmetrically distributed. The adsorption part 70 and the first mounting position 63 are provided in a one-to-one correspondence. Correspondingly, the two adsorption parts 70 fixed on the first side plate 61 and the two adsorption parts 70 fixed on the second side plate 62 are also symmetrically distributed. Along the axial direction of the pen tube 20, a second mounting position 64 is provided between the two first mounting positions 63 on the bracket 60, and the battery 100 is fixed at the second mounting position 64.

[0119] Specifically, the adsorption part 70 is a permanent magnet, the first assembly position 63 is a groove-shaped structure, the permanent magnet is fixed in the first assembly position 63, the second assembly position 64 is a hollow structure on the bracket 60, and the battery 100 is snapped into the second assembly position 64.

[0120] In some feasible embodiments, the stylus also includes a button 110 fixed to the side of the circuit board 30 opposite to the bracket 60. The third panel 23 has mounting holes through which the button 110 is exposed.

[0121] The button 110 is used to operate the display device that communicates with the stylus. For example, the button 110 is used to perform operations such as page turning and voice activation.

[0122] Specifically, there are two buttons 110. For ease of description and distinction, one button 110 is named First Button 111, and the other button 110 is named Second Button 112. Correspondingly, two mounting holes are provided on the third wall plate 23 of the pen tube 20. For ease of description and distinction, one mounting hole is named First Mounting Hole 231, and the other mounting hole is named Second Mounting Hole 232. First Button 111 is exposed through First Mounting Hole 231 and is used to wake up the voice. Second Button 112 is exposed through Second Mounting Hole 232 and is used to perform page turning operations.

[0123] Figure 7 This is a schematic diagram of another pen tube 20 structure provided in an embodiment of this application. When the first mounting hole 231 is opened on the pen tube 20, the gripping area L1 is located to the left of the first mounting hole 231 on the pen tube 20.

[0124] The stylus installation process provided in this application embodiment is described below:

[0125] A pressure sensor 40 is installed in the grip area L1 on the outer wall of the pen tube 20. A protective sleeve 50 is fitted onto the side of the pressure sensor 40 facing away from the pen tube 20 to form a pen tube assembly. An adsorption part 70 is installed on the first side plate 61 and the second side plate 62. A battery 100 is installed in the space between the first side plate 61 and the second side plate 62. After the battery 100 is installed, a circuit board 30 is installed on the bracket 60 to form a bracket assembly. A portion of the pen tip 10 is inserted into the pen holder component 80 and fixed with glue. The end of the pen holder component 80 facing the pen tube assembly is inserted into the pen tube assembly. The first button 111 is installed in the first mounting hole 231, and the second button 112 is installed in the second mounting hole 232. After connecting the pressure sensor 40 and the circuit board 30, the bracket assembly is installed into the pen tube assembly. Finally, the end of the pen tail component 90 facing the pen tube assembly is inserted into the pen tube assembly, and glue is applied to the end of the pen tail component 90 to fix it.

[0126] When the pen tail component 90 is fixed using adhesive dispensing, it avoids damage to the stylus caused by user disassembly and effectively reduces assembly costs. The stylus installation process described is for illustrative purposes only; the specific installation sequence can be adjusted or changed according to actual circumstances. Of course, in addition to adhesive dispensing, other installation methods are possible, such as interference fit without adhesive dispensing or threaded installation.

[0127] Figure 12 This is a schematic diagram illustrating the usage process of a stylus provided in an embodiment of this application. Please refer to... Figure 12 The following section uses a conference all-in-one machine as an example to illustrate the usage process of the stylus.

[0128] When using the stylus, first turn it on, or simply leave it powered on. After powering on, pair the stylus with the conference all-in-one device via Bluetooth. Once the stylus and conference all-in-one device are successfully connected via Bluetooth, when the user holds the stylus in the correct grip, with three fingers corresponding to the three sub-pressure detection units 41, the three sub-pressure detection units 41 in the pressure detection unit 40 detect three-sided pressure. The pressure detection unit 40 converts the three-sided pressure into three electrical signals and sends them to the circuit board 30. The circuit board 30 (containing a pressure signal acquisition and processing chip) processes the three electrical signals and transmits the processed signals to the mainboard of the conference all-in-one device via the Bluetooth module. The mainboard of the conference all-in-one device then initiates the whiteboard interface or annotation function from the current screen based on the received three processed electrical signals.

[0129] In summary, the stylus provided in this application embodiment, by adding a pressure detection element 40 to the grip area L1 on the outer wall of the pen tube 20, allows the user to activate the whiteboard or annotation function of the display device while holding the pen. This allows the user to directly activate the corresponding function without exiting the current interface, and the stylus is not affected by its placement position, making it more convenient to activate the whiteboard or annotation function, thus improving the user experience. The protruding design of the pen holder component 80 and the pen tail component 90 allows the pen tube 20 to be suspended and fixed in place, effectively protecting the outer wall of the pen tube 20 and preventing wear and paint chipping. The grip area L1 is provided with three sub-grip zones L2 and corresponding sub-pressure detection units 41, reminding the user of the correct pen-holding posture and cultivating correct writing habits.

[0130] Secondly, a display system is provided, including: a display device and a stylus, wherein the stylus is the stylus provided in the above embodiments.

[0131] The display device includes a motherboard, a touchscreen, and a storage slot. The storage slot, for example, is located at the bottom of the touchscreen, where the stylus is magnetically attached when not in use. When the stylus is needed, the user simply removes it and holds it to directly launch the whiteboard interface or annotation function.

[0132] The display system uses the stylus described in the above embodiments, which can improve the intelligence of the display device and enhance the user experience.

[0133] It should be noted that the dimensions of layers and regions may be exaggerated in the accompanying drawings for clarity. Furthermore, it is understood that when an element or layer is referred to as being "on" another element or layer, it can be directly on the other element, or there may be intermediate layers. Additionally, it is understood that when an element or layer is referred to as being "below" another element or layer, it can be directly below the other element, or there may be more than one intermediate layer or element. Furthermore, it is also understood that when a layer or element is referred to as being "between" two layers or two elements, it can be the only layer between the two layers or two elements, or there may be more than one intermediate layer or element. Similar reference numerals throughout indicate similar elements.

[0134] In this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The term "multiple" refers to two or more unless otherwise expressly defined.

[0135] The above description is merely an optional embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A stylus, characterized in that, include: Pen tip, pen barrel, circuit board, and pressure detection component; The pen tip is connected to one end of the pen tube, and at least a portion of the pen tip is located outside the pen tube; The circuit board is located inside the pen tube; The pressure detection element is fixed to the outer wall of the pen tube; The pen tube has an outer wall divided into a gripping area, which is located near the pen tip. The gripping area includes at least two sub-grip sections spaced apart in the circumferential direction of the pen tube. A pressure detection element is located within at least one of the sub-grip sections. The circuit board is connected to the pressure detection element. The pressure detection element generates an electrical signal when pressed and sends it to the circuit board.

2. The stylus according to claim 1, characterized in that, The pressure detection element includes at least two sub-pressure detection sections corresponding to the at least two sub-grip zones; The sub-pressure detection unit is located within the corresponding sub-grip partition.

3. The stylus according to claim 2, characterized in that, The sub-grip section has a curved groove, and at least a portion of the sub-pressure detection unit is located within the curved groove.

4. The stylus according to claim 2, characterized in that, The pressure detection element further includes a connecting portion for connecting the at least two sub-pressure detection portions, the connecting portion being distributed between at least two adjacent sub-grip sections.

5. The stylus according to any one of claims 1 to 4, characterized in that, The pressure detection element is a flexible thin-film pressure sensor.

6. The stylus according to claim 5, characterized in that, The stylus also includes a protective sleeve, which is fitted onto the outside of the flexible thin-film pressure sensor opposite to the pen tube.

7. The stylus according to any one of claims 1 to 4, 6, characterized in that, The stylus also includes: a support and an adsorption unit; both the support and the adsorption unit are located inside the pen tube, and both the circuit board and the adsorption unit are fixed on the support; The stylus can be attached to the display device via the adsorption part.

8. The stylus according to claim 7, characterized in that, The pen tube includes: a first wall panel, a second wall panel, and a third wall panel connected in sequence in a circumferential direction; The bracket includes: a first side plate and a second side plate, one side of the first side plate and one side of the second side plate are connected, and the other side of the first side plate and the other side of the second side plate are used to support the circuit board; The first side plate is located near the first wall panel, the second side plate is located near the second wall panel, and the circuit board is located near the third wall panel; the adsorption part is fixed on the first side plate and / or the second side plate.

9. The stylus according to claim 8, characterized in that, The stylus also includes: a pen support component and a pen tail component assembled at both ends of the pen tube, and the pen tip is fixed on the pen support component; When the adsorption part is fixed on the first side plate, the outer side wall of the pen holder component and the outer side wall of the pen tail component both protrude from the first side plate in a direction perpendicular to the first side plate; when the adsorption part is fixed on the second side plate, the outer side wall of the pen holder component and the outer side wall of the pen tail component both protrude from the second side plate in a direction perpendicular to the second side plate.

10. The stylus according to claim 9, characterized in that, The pen holder component has a first mounting opening at one end facing the pen tube, and the pen tail component has a second mounting opening at one end facing the pen tube. Wherein, one end of the circuit board along the axial direction of the stylus is located in the first mounting opening, and the other end is located in the second mounting opening.

11. The stylus according to any one of claims 8 to 10, characterized in that, Both the first side plate and the second side plate are fixed with two suction parts distributed along the axial direction of the stylus; The stylus further includes a battery located between the first side plate and the second side plate, and distributed along the axial direction of the stylus between two of the adsorption portions on the first side plate and / or the second side plate.

12. The stylus according to any one of claims 8 to 10, characterized in that, The stylus also includes: a button fixed to the side of the circuit board away from the bracket; the third wall panel has a mounting hole through which the button is exposed.

13. The stylus according to any one of claims 8 to 10, characterized in that, The adsorption part is a permanent magnet or an electromagnet.

14. A display system, characterized in that, include: The display device and the stylus, wherein the stylus is the stylus according to any one of claims 1 to 13.

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