Multifunctional mobile phone case
By incorporating a switch component on the phone case, the reader recognition problem caused by NFC phone cases was resolved, enabling controllable switching of NFC signals and changing of e-ink screen patterns, thus improving the user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN JIZHI TECHNOLOGY CO LTD
- Filing Date
- 2025-07-23
- Publication Date
- 2026-06-23
AI Technical Summary
In existing technologies, NFC phone cases can easily cause card readers to fail to recognize the phone's NFC signal, requiring users to manually remove the phone case to complete the recognition operation, thus reducing the user experience.
A switch component is installed on the phone case to connect or disconnect the connection line between the circuit board and the NFC antenna, thus preventing the card reader from being unable to read the phone's NFC signal.
By controlling the switch component, the card reader can accurately read the phone's NFC signal, while also allowing the e-ink screen pattern to be changed, thus improving the user experience.
Smart Images

Figure CN224401565U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of mobile phone case technology, specifically to a multifunctional mobile phone case. Background Technology
[0002] Near Field Communication (NFC) technology, as an evolution of Radio Frequency Identification (RFID), has expanded from simple data exchange to multiple application areas driven by the rapid development of mobile communication and semiconductor technologies. Based on its high transmission efficiency, strong security, and low power consumption, this technology has been widely used in mobile payments, access control, and transportation ticketing. With the widespread adoption of smartphones and the maturity of the Internet of Things (IoT) ecosystem, NFC technology is further deeply integrated with mobile terminals, supporting contactless transactions, identity authentication, and device interconnection. Meanwhile, chip miniaturization and low-power design have provided even broader development space for NFC's intelligent interaction.
[0003] Applying NFC to mobile phones allows them to function as NFC cards, enabling features such as community access control, subway card swiping, credit card payments, Apple Pay, smart home keys, and car keys. Existing technologies also include phone cases that use NFC as a transmission medium. To achieve interaction between the phone case's NFC antenna and the phone's antenna, the NFC antenna on the phone case must be positioned so that it corresponds to the NFC antenna on the phone. Therefore, when using a phone's NFC for community access control, subway card swiping, and credit card payments, the access control reader, subway card reader, and credit card payment reader simultaneously detect the NFC signals from both the phone and the phone case. This causes the reader to fail to read the data, requiring the user to remove the phone case to complete the transaction, which is cumbersome and degrades the user experience. Utility Model Content
[0004] This application provides a multi-functional mobile phone case with a switch assembly. The switch assembly can connect or disconnect the connection line between the circuit board and the NFC antenna, thus avoiding the problem of the card reader being unable to read the mobile phone's NFC signal.
[0005] One embodiment of this application provides a multifunctional mobile phone case, comprising: a housing having a receiving cavity for accommodating a mobile phone; a display window at the bottom of the receiving cavity; an e-ink screen disposed at the bottom of the receiving cavity, with the display area of the e-ink screen located within the display window for displaying patterns; a first magnetic accommodating element disposed on the side of the housing away from the receiving cavity for engaging and fixing with a magnetic accommodating element; a circuit board disposed within the receiving cavity and electrically connected to the e-ink screen; an NFC antenna disposed within the receiving cavity and electrically connected to the circuit board; the NFC antenna for receiving image signals transmitted by the mobile phone and transmitting the image signals to the circuit board; and a switch assembly disposed on the circuit board and partially exposed outside the housing; the switch assembly for connecting or disconnecting the connection line between the circuit board and the NFC antenna.
[0006] In one embodiment, the switching assembly is a push-button switch, a toggle switch, a capacitive switch, or a touch switch.
[0007] In one embodiment, the bottom of the receiving cavity has a trigger groove extending through the bottom, and a portion of the switch assembly is disposed in the trigger groove and exposed outside the housing so as to be triggered.
[0008] In one embodiment, the switch assembly includes a trigger, a silicone component, and a plastic component. The trigger is disposed on a circuit board and located on the connection line between the circuit board and the NFC antenna, for connecting or disconnecting the connection between the circuit board and the NFC antenna. The silicone component is disposed in a trigger groove and can contact the trigger. The plastic component is disposed on the side of the housing away from the receiving cavity and covers the opening of the trigger groove. The plastic component can contact the silicone component to trigger the trigger.
[0009] In one embodiment, the trigger groove protrusion is disposed on the side of the housing opposite to the receiving cavity.
[0010] In one embodiment, a second magnetic attractor is further included. A second magnetic attractor groove is provided on the side of the housing opposite to the receiving cavity. The second magnetic attractor groove and the trigger groove are arranged side by side in the housing. The second magnetic attractor is disposed in the second magnetic attractor groove.
[0011] In one embodiment, the second magnetic groove and the trigger groove are arranged in a straight line, and the trigger groove is located away from the first magnetic member relative to the second magnetic groove.
[0012] In one embodiment, a first magnetic groove is provided on the side of the housing away from the receiving cavity, and a first magnetic member is disposed in the first magnetic groove.
[0013] In one embodiment, both the first magnetic groove and the first magnetic element are annular in shape.
[0014] In one embodiment, the display window is circular.
[0015] This application provides a multifunctional mobile phone case, including a casing, an e-ink screen, a first magnetic clasp, a circuit board, an NFC antenna, and a switch assembly. The switch assembly is mounted on the circuit board and is used to connect or disconnect the connection line between the circuit board and the NFC antenna of the mobile phone case. When a card reader needs to read the phone's NFC antenna, the switch assembly disconnects the connection circuit between the circuit board and the NFC antenna of the mobile phone case, causing the NFC antenna to be powered off and inactive, allowing the card reader to accurately read the phone's NFC signal. When it is necessary to change the pattern on the e-ink screen, the switch assembly connects the connection circuit between the circuit board and the NFC antenna of the mobile phone case, enabling the NFC antenna on the mobile phone case to normally receive the NFC signal from the phone, thereby changing the e-ink screen pattern and improving the user experience. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of the multifunctional mobile phone case in the embodiments of this application;
[0017] Figure 2 This is a schematic diagram of the structure of the multifunctional mobile phone case after removing the circuit board, the second magnetic component, the silicone component, and the trigger component in the embodiment of this application.
[0018] Figure 3 This is a schematic diagram of the exploded structure of the multifunctional mobile phone case in the embodiments of this application;
[0019] Figure 4 This is an exploded view of the switch assembly in the embodiments of this application.
[0020] Reference numerals: Multifunctional phone case - 100, housing - 110, receiving cavity - 111, display window - 112, trigger slot - 113, second magnetic slot - 114, first magnetic slot - 115, lens window - 116, e-ink screen - 120, circuit board - 130, NFC antenna - 140, switch assembly - 150, trigger element - 151, silicone part - 152, plastic part - 153, transparent part - 154. Detailed Implementation
[0021] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments. Similar elements in different embodiments are referred to by related similar element reference numerals. In the following embodiments, many details are described to facilitate a better understanding of the present application. However, those skilled in the art will readily recognize that some features may be omitted in different situations, or may be replaced by other elements, materials, or methods. In some cases, certain operations related to the present application are not shown or described in the specification. This is to avoid obscuring the core parts of the present application with excessive description. For those skilled in the art, detailed description of these related operations is not necessary; they can fully understand the related operations based on the description in the specification and general technical knowledge in the art.
[0022] Furthermore, the features, operations, or characteristics described in the specification can be combined in any suitable manner to form various embodiments, and the operational steps involved in each embodiment can also be rearranged or adjusted in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for clearly describing a particular embodiment and do not imply that they represent the necessary components and / or order.
[0023] The serial numbers assigned to components in this document, such as "first" and "second," are used only to distinguish the described objects and have no sequential or technical meaning. The terms "connection" and "linkage" used in this application, unless otherwise specified, include both direct and indirect connections (linkages).
[0024] This application provides a multi-functional mobile phone case 100, please refer to it. Figure 1-4 The multi-functional mobile phone case 100 includes a housing 110, an e-ink screen 120, a first magnetic clasp (not shown), a circuit board 130, an NFC antenna 140, and a switch assembly 150.
[0025] Please refer to Figure 1-2 The housing 110 has a receiving cavity 111 for housing a mobile phone, and a display window 112 at the bottom of the receiving cavity 111. An e-ink screen 120 is disposed at the bottom of the receiving cavity 111, and the display area of the e-ink screen 120 is located in the display window 112 for displaying patterns. A first magnetic chuck is disposed on the side of the housing 110 opposite to the receiving cavity 111 for engaging and fixing with a magnetic chuck accessory. A circuit board 130 is disposed within the receiving cavity 111 and electrically connected to the e-ink screen 120. An NFC antenna 140 is disposed within the receiving cavity 111 and electrically connected to the circuit board 130. The NFC antenna 140 is used to receive image signals transmitted by the mobile phone and transmit the image signals to the circuit board 130. A switch assembly 150 is disposed on the circuit board 130 and partially exposed outside the housing 110. The switch assembly 150 is used to connect or disconnect the connection line between the circuit board 130 and the NFC antenna 140.
[0026] This application provides an e-ink screen 120 positioned at the bottom of the receiving cavity 111, corresponding to the display window 112, with the display area of the e-ink screen 120 located within the display window 112, capable of displaying patterns. Additionally, a switch assembly 150 is mounted on the circuit board 130 and partially exposed outside the housing 110. When the card reader needs to read the NFC signal from the mobile phone, the switch assembly 150 disconnects the connection circuit between the circuit board 130 and the NFC antenna 140 on the phone case, making the NFC antenna 140 on the phone case "invisible" to the NFC card reader. When the pattern on the e-ink screen 120 needs to be changed, the switch assembly 150 reconnects the connection circuit between the circuit board 130 and the NFC antenna 140 on the phone case, allowing the NFC antenna 140 on the phone case to receive the NFC signal from the mobile phone, thus enabling pattern replacement.
[0027] Please refer to Figure 1 In one embodiment of this application, the switch assembly 150 is a push-button switch. In other embodiments, the switch assembly 150 may also be a toggle switch, a capacitive switch, or a touch switch. There is no specific limitation on this. As long as the connection circuit between the NFC antenna 140 of the phone case and the circuit board 130 can be connected or disconnected.
[0028] Please refer to Figure 1-2 The bottom of the receiving cavity 111 has a trigger groove 113 that extends through the bottom. A portion of the switch assembly 150 is disposed in the trigger groove 113 and exposed outside the housing 110 so that it can be triggered.
[0029] The trigger slot 113 allows users to easily access the switch assembly 150.
[0030] Please refer to Figure 3-4 The switch assembly 150 includes a trigger 151, a silicone component 152, and a plastic component 153. The trigger 151 is disposed on the circuit board 130 and located on the connection line between the circuit board 130 and the NFC antenna 140, used to connect or disconnect the connection between the circuit board 130 and the NFC antenna 140. The silicone component 152 is disposed within the trigger groove 113 and can contact the trigger 151. The plastic component 153 is disposed on the side of the housing 110 opposite to the receiving cavity 111 and covers the opening of the trigger groove 113. The plastic component 153 can contact the silicone component 152 to trigger the trigger 151.
[0031] The trigger element 151 can simultaneously contact the silicone part 152, the silicone part 152 can simultaneously contact the plastic part 153, and even the trigger element 151 can simultaneously contact the plastic part 153. The user can trigger the trigger element 151 by pressing the plastic part 153, thereby disconnecting or connecting the circuit between the circuit board 130 and the NFC antenna 140 of the phone case. On one hand, the plastic part 153 and the silicone part 152 have a certain degree of elasticity, requiring a certain amount of pressure to trigger the trigger element 151, thus preventing accidental triggering; on the other hand, this also improves the user's pressing feel. Furthermore, the design of the plastic part 153 covering the slot prevents foreign objects from entering the receiving cavity 111 from the trigger slot 113.
[0032] Please refer to Figure 1 The trigger groove 113 protrusion is located on the side of the housing 110 away from the receiving cavity 111.
[0033] The trigger groove 113 is protruded on one side of the receiving cavity 111 to facilitate the user to apply force to press the trigger 151.
[0034] Please refer to 1-3. The multi-functional mobile phone case 100 also includes a second magnetic component (not shown). The side of the case 110 away from the receiving cavity 111 is provided with a second magnetic groove 114. The second magnetic groove 114 and the trigger groove 113 are arranged side by side in the case 110. The second magnetic component is disposed in the second magnetic groove 114.
[0035] In one embodiment of this application, the first magnetic element helps to fix the phone in place when it is magnetically charged. Since both the first magnetic groove 115 and the first magnetic element are annular in shape, the phone can be prevented from rotating after the first magnetic element attracts the magnetic charging device. This can be achieved by setting a second magnetic element at a certain position on the periphery of the first magnetic element. Furthermore, the second magnetic groove 114 and the trigger groove 113 are arranged side by side on the housing 110, which makes the housing 110 more aesthetically pleasing overall.
[0036] Please refer to Figure 1-2 The second magnetic groove 114 and the trigger groove 113 are arranged in a straight line, and the trigger groove 113 is located away from the first magnetic component relative to the second magnetic groove 114.
[0037] Furthermore, arranging the second magnetic slot 114 and the trigger slot 113 in a straight line improves the overall aesthetics of the casing. Since the use of a tail magnet on the phone casing is existing technology, extending the length of the straight line within the original design does not compromise the overall aesthetics and reduces design costs. Additionally, the plastic part 153 of the switch assembly 150 extends from the opening of the trigger slot 113 to the opening of the second magnetic slot 114, thus simultaneously covering both the trigger slot 113 and the second magnetic slot 114, further enhancing the appearance of the outer surface of the casing 110.
[0038] Please refer to Figure 1 The housing 110 also has a first magnetic groove 115 on the side opposite to the receiving cavity 111, and a first magnetic element is disposed in the first magnetic groove 115. More specifically, both the first magnetic groove 115 and the first magnetic element are annular in shape.
[0039] By placing the first magnetic component on the back of the housing 110, the attraction between the first magnetic component and the magnetic accessory is enhanced. Furthermore, by placing the first magnetic groove 115 protruding on the back of the housing 110, the overall aesthetics and texture of the phone case are improved.
[0040] In one embodiment of this application, the display window 112 is circular. In other embodiments, it can be other shapes, without specific limitation. For example, it can be square or rhomboid. Circular windows are more aesthetically pleasing than other shapes.
[0041] Please refer to Figure 3 The multi-functional phone case 100 also includes a transparent component 154, which is correspondingly disposed on the display window 112 and located between the display window 112 and the display area of the e-ink screen 120, and is used to protect the e-ink screen 120 from damage or scratches.
[0042] Please refer to Figure 2 The bottom of the housing 110 also has a lens window 116 for exposing the rear camera of the phone.
[0043] The above-described specific examples are for illustrative purposes only and are not intended to limit the scope of this invention. Those skilled in the art to which this invention pertains can make various simple deductions, modifications, or substitutions based on the concept of this invention.
Claims
1. A multifunctional mobile phone case, characterized in that, include: The housing has a receiving cavity for accommodating a mobile phone; the bottom of the receiving cavity has a display window; An e-ink screen is disposed at the bottom of the receiving cavity, and the display area of the e-ink screen is located in the display window for displaying patterns; The first magnetic suction element is disposed on the side of the housing opposite to the receiving cavity, and is used to attract and fix it with the magnetic suction accessory; A circuit board is disposed within the receiving cavity and electrically connected to the ink screen; An NFC antenna is disposed within the receiving cavity and electrically connected to the circuit board; the NFC antenna is used to receive image signals transmitted by the mobile phone and transmit the image signals to the circuit board; A switch assembly is disposed on the circuit board and partially exposed outside the housing; the switch assembly is used to connect or disconnect the connection line between the circuit board and the NFC antenna.
2. The multifunctional phone case as described in claim 1, characterized in that, The switch assembly is a push-button switch, toggle switch, capacitive switch, or touch switch.
3. The multifunctional phone case as described in claim 1, characterized in that, The bottom of the receiving cavity has a trigger groove extending through the bottom, and a portion of the switch assembly is disposed in the trigger groove and exposed outside the housing so as to be triggered.
4. The multifunctional phone case as described in claim 3, characterized in that, The switch assembly includes a trigger, a silicone component, and a plastic component. The trigger is disposed on the circuit board and located on the connection line between the circuit board and the NFC antenna, and is used to connect or disconnect the connection between the circuit board and the NFC antenna. The silicone component is disposed in the trigger groove and can contact the trigger. The plastic component is disposed on the side of the housing opposite to the receiving cavity and covers the opening of the trigger groove. The plastic component can contact the silicone component to trigger the trigger.
5. The multifunctional phone case as described in claim 3, characterized in that, The trigger groove protrusion is located on the side of the housing opposite to the receiving cavity.
6. The multifunctional phone case as described in claim 5, characterized in that, It also includes a second magnetic attractor, and the housing has a second magnetic attractor groove protruding on the side opposite to the receiving cavity. The second magnetic attractor groove and the trigger groove are arranged side by side in the housing, and the second magnetic attractor is disposed in the second magnetic attractor groove.
7. The multifunctional phone case as described in claim 6, characterized in that, The second magnetic slot and the trigger slot are arranged in a straight line, and the trigger slot is located away from the first magnetic component relative to the second magnetic slot.
8. The multifunctional mobile phone case as described in claim 1, characterized in that, The housing is provided with a first magnetic groove on the side opposite to the receiving cavity, and the first magnetic member is disposed in the first magnetic groove.
9. The multifunctional mobile phone case as described in claim 8, characterized in that, Both the first magnetic groove and the first magnetic element are in the shape of a ring.
10. The multifunctional mobile phone case according to any one of claims 1-9, characterized in that, The display window is circular.